Merge pull request #65 from bell-sw/windows-aarch64

8248238: Windows AArch64 Support

.gitignore

@@ -24,3 +24,4 @@ test/nashorn/lib
 NashornProfile.txt
 **/JTreport/**
 **/JTwork/**
+/jb/project/java-gradle/.idea/workspace.xml

.hgtags

@@ -598,3 +598,38 @@ e42c6d1a1993c720a4643140190bb1ba6f1bbf9f jdk-11.0.8+6
 59f8565ee5e224697a9e09ee2c557836733bc579 jdk-11.0.8+9
 0b0d55cb09b29360ab254edeef32a3b386e9713e jdk-11.0.8+10
 0b0d55cb09b29360ab254edeef32a3b386e9713e jdk-11.0.8-ga
+5cc275af8419178813299cc0ed81a2a85dadfdcd jdk-11.0.9+1
+3112657edde9491fb83f098f1a8b7e9275bcb2f7 jdk-11.0.9+2
+d8a0513b92ee262d4e64c1e13d43e1b3f3e5c5d5 jdk-11.0.9+3
+cb299db4a5698b814f6b3ba1f3d73d01f6a0e1f6 jdk-11.0.9+4
+55237fa85afb404bc0dc0f4948a6459d8d3e5dac jdk-11.0.9+5
+c07e785e36f587b95e151de382844cea3d1a5868 jdk-11.0.9+6
+1ba4c16a8afa3f5aaa7830fc1f14a0137cc2553b jdk-11.0.9+7
+8711e8554e15ae2fa38718d5c7dc858da10e8a4a jdk-11.0.9+8
+e872676174c7f171a9864becba83cb783cfec9d0 jdk-11.0.9+9
+6ac1b68e7c0034e08a96d7d37e93e5075a6e8d61 jdk-11.0.9+10
+4397fa4529b2794ddcdf3445c0611fe383243fb4 jdk-11.0.9+11
+4397fa4529b2794ddcdf3445c0611fe383243fb4 jdk-11.0.9-ga
+4fd46d208f0a4b55924af8e0c2fb6bcf46e18ec6 jdk-11.0.9.1+0
+27723943c0dd65a191cbefe031cec001521e4b13 jdk-11.0.9.1+1
+31affc22b3b5f5d43783ffadf57f22848bad9db8 jdk-11.0.9.1-ga
+f3168de4eb0dd74bf8e81537f62742bde5e412c3 jdk-11.0.10+1
+a35aa07b57bab3690224e3af939ee085d50eb476 jdk-11.0.10+2
+bca12c00a776f8cee7a0eeaf788499b9eab9cf9d jdk-11.0.10+3
+9504fa6f98f5aad0aa1ac36d5bff3260a32020c8 jdk-11.0.10+4
+5f5c3544ccb4d0bbc638e665524b292860dd9515 jdk-11.0.10+5
+4b9bc2a1dde0631958393125997855382325964d jdk-11.0.10+6
+c45f74d45787a857d35b5a66c9b0304c91a9c5d0 jdk-11.0.10+7
+43428f69099f6f87f6e1922deacbf13e1adb751f jdk-11.0.10+8
+8b3498547395ee80a6e731078056b2aeb3e3c5e8 jdk-11.0.10+9
+8b3498547395ee80a6e731078056b2aeb3e3c5e8 jdk-11.0.10-ga
+4ed322bf6b0098353ceaecf35662fadf457cd81d jdk-11.0.11+1
+b68647c6ecc1e73111d8047448d75966f255460f jdk-11.0.11+2
+14cc036b17a5f4be5b0643e6b24ed32563684ab9 jdk-11.0.11+3
+c4405735470a92e2c45490b89a8099252f3481d2 jdk-11.0.11+4
+38430a8a4488582612c6a87ab58d109cc5217e8b jdk-11.0.11+5
+e41ae00add1d76a8f25adb558933382947ea840d jdk-11.0.11+6
+14f9928caac31368d27f13e4e21ca25c1e0be950 jdk-11.0.11+7
+9f0347b029d3a0349f23befcfb68ee02d85d9034 jdk-11.0.11+8
+15862747ee15445292b4b9949b4f0f4badba4812 jdk-11.0.11+9
+15862747ee15445292b4b9949b4f0f4badba4812 jdk-11.0.11-ga

.idea/copyright/JetBrains.xml

@@ -1,9 +1,7 @@
 <component name="CopyrightManager">
   <copyright>
-    <option name="notice" value="Copyright 2000-&amp;#36;today.year JetBrains s.r.o.&#10;&#10;Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);&#10;you may not use this file except in compliance with the License.&#10;You may obtain a copy of the License at&#10;&#10;http://www.apache.org/licenses/LICENSE-2.0&#10;&#10;Unless required by applicable law or agreed to in writing, software&#10;distributed under the License is distributed on an &quot;AS IS&quot; BASIS,&#10;WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.&#10;See the License for the specific language governing permissions and&#10;limitations under the License." />
-    <option name="keyword" value="Copyright" />
-    <option name="allowReplaceKeyword" value="JetBrains" />
+    <option name="allowReplaceRegexp" value="JetBrains" />
+    <option name="notice" value="Copyright 2000-&amp;#36;today.year JetBrains s.r.o.&#10;DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.&#10; &#10;This code is free software; you can redistribute it and/or modify it&#10;under the terms of the GNU General Public License version 2 only, as&#10;published by the Free Software Foundation.&#10;&#10;This code is distributed in the hope that it will be useful, but WITHOUT&#10;ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or&#10;FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License&#10;version 2 for more details (a copy is included in the LICENSE file that&#10;accompanied this code).&#10;&#10;You should have received a copy of the GNU General Public License version&#10;2 along with this work; if not, write to the Free Software Foundation,&#10;Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.&#10;&#10;Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA&#10;or visit www.oracle.com if you need additional information or have any&#10;questions." />
     <option name="myName" value="JetBrains" />
-    <option name="myLocal" value="true" />
   </copyright>
 </component>

.idea/vcs.xml

@@ -8,7 +8,7 @@
           <option name="linkRegexp" value="http://youtrack.jetbrains.com/issue/$0" />
         </IssueNavigationLink>
         <IssueNavigationLink>
-          <option name="issueRegexp" value="(\d+)\:" />
+          <option name="issueRegexp" value="^(\d+)\:" />
           <option name="linkRegexp" value="https://bugs.openjdk.java.net/browse/JDK-$1" />
         </IssueNavigationLink>
       </list>

README.md

@@ -1,19 +1,12 @@
 [![official JetBrains project](http://jb.gg/badges/official.svg)](https://confluence.jetbrains.com/display/ALL/JetBrains+on+GitHub)
 
-# Downloads
-
-|Windows-x64  |macOS        |Linux-x64    |
-|-------------|-------------|-------------|
-|[ ![Download](https://api.bintray.com/packages/jetbrains/intellij-jdk/openjdk11-windows-x64/images/download.svg) ](https://bintray.com/jetbrains/intellij-jdk/openjdk11-windows-x64/_latestVersion)|[ ![Download](https://api.bintray.com/packages/jetbrains/intellij-jdk/openjdk11-osx-x64/images/download.svg) ](https://bintray.com/jetbrains/intellij-jdk/openjdk11-osx-x64/_latestVersion)|[ ![Download](https://api.bintray.com/packages/jetbrains/intellij-jdk/openjdk11-linux-x64/images/download.svg) ](https://bintray.com/jetbrains/intellij-jdk/openjdk11-linux-x64/_latestVersion)|
-
-
 # How JetBrains Runtime is organised
 ## Workspaces
 
 [github.com/JetBrains/JetBrainsRuntime](https://github.com/JetBrains/JetBrainsRuntime)  
 
 ## Getting sources
-__OSX, Linux:__
+__macOS, Linux:__
 ```
 git config --global core.autocrlf input
 git clone git@github.com:JetBrains/JetBrainsRuntime.git
@@ -25,12 +18,12 @@ git config --global core.autocrlf false
 git clone git@github.com:JetBrains/JetBrainsRuntime.git
 ```
 
-# Configure Local Build Environment
+# Configure local build environment
 [OpenJDK build docs](http://hg.openjdk.java.net/jdk/jdk11/raw-file/tip/doc/building.html)  
-Tip for all platforms: run ./configure and check output.  
+Tip for all platforms: run `./configure` and check output.  
 Usually, it has meaningful advice how to solve your problem.
 
-## Linux (docker)
+## Linux (Docker)
 ```
 $ cd jb/project/docker
 $ docker build .
@@ -42,7 +35,6 @@ $ docker run -v `pwd`../../../../:/JetBrainsRuntime -it 942ea9900054
 # cd /JetBrainsRuntime
 # sh ./configure
 # make images CONF=linux-x86_64-normal-server-release
-
 ```
 
 ## Linux (Ubuntu 18.10 desktop)
@@ -56,35 +48,33 @@ $ make images
 
 ## Windows
 Install:
-
 * [Cygwin x64](http://www.cygwin.com/)  
   Required packages: autoconf, binutils, cpio, diffutils, file, gawk, gcc-core, make, m4, unzip, zip.  
-  **Install them while installing cygwin**.
+  **Install them while installing Cygwin**.
 * Visual Studio compiler toolset [Download](https://visualstudio.microsoft.com/downloads/)  
   Visual Studio 2015 has support by default.  
   **Install with desktop development kit, it includes Windows SDK and compilers**.
 * [Java 11](http://www.oracle.com/technetwork/java/javase/downloads/index.html)  
-  If you have problems while configuring [read java tips on cygwin](http://horstmann.com/articles/cygwin-tips.html)
+  If you have problems while configuring [read Java tips on Cygwin](http://horstmann.com/articles/cygwin-tips.html)
 
-From command line 
+From command line: 
 ```
 "c:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
 "c:\Program_Files\cygwin64\bin\mintty.exe" /bin/bash -l
 ```
-First command will set env vars, the second will run cygwin shell with proper environment.  
-In cygwin shell 
+First command will set env vars, the second will run Cygwin shell with proper environment.  
+
+In Cygwin shell: 
 ```    
 cd JetBrainsRuntime
 bash configure --enable-option-checking=fatal --with-toolchain-version=2015 --with-boot-jdk="/cygdrive/c/Program Files/Java/jdk-11.0.5" --disable-warnings-as-errors
 make images
 ```
 
-## OSX
-
-install Xcode console tools, autoconf (via homebrew)
-
-run
+## macOS
+Install Xcode command line developer tools, autoconf (via Homebrew).
 
+Run:
 ```
 sh ./configure --prefix=$(pwd)/build  --disable-warnings-as-errors
 make images

doc/building.html

@@ -68,10 +68,12 @@
 </ul></li>
 <li><a href="#running-tests">Running Tests</a></li>
 <li><a href="#cross-compiling">Cross-compiling</a><ul>
+<li><a href="#cross-compiling-the-easy-way-with-openjdk-devkits">Cross compiling the easy way with OpenJDK devkits</a></li>
 <li><a href="#boot-jdk-and-build-jdk">Boot JDK and Build JDK</a></li>
 <li><a href="#specifying-the-target-platform">Specifying the Target Platform</a></li>
 <li><a href="#toolchain-considerations">Toolchain Considerations</a></li>
 <li><a href="#native-libraries">Native Libraries</a></li>
+<li><a href="#creating-and-using-sysroots-with-qemu-deboostrap">Creating And Using Sysroots With qemu-deboostrap</a></li>
 <li><a href="#building-for-armaarch64">Building for ARM/aarch64</a></li>
 <li><a href="#verifying-the-build">Verifying the Build</a></li>
 </ul></li>
@@ -565,6 +567,47 @@ CC: Sun C++ 5.13 SunOS_i386 151846-10 2015/10/30</code></pre>
 <p>This requires a more complex setup and build procedure. This section assumes you are familiar with cross-compiling in general, and will only deal with the particularities of cross-compiling the JDK. If you are new to cross-compiling, please see the <a href="https://en.wikipedia.org/wiki/Cross_compiler#External_links">external links at Wikipedia</a> for a good start on reading materials.</p>
 <p>Cross-compiling the JDK requires you to be able to build both for the build platform and for the target platform. The reason for the former is that we need to build and execute tools during the build process, both native tools and Java tools.</p>
 <p>If all you want to do is to compile a 32-bit version, for the same OS, on a 64-bit machine, consider using <code>--with-target-bits=32</code> instead of doing a full-blown cross-compilation. (While this surely is possible, it's a lot more work and will take much longer to build.)</p>
+<h3 id="cross-compiling-the-easy-way-with-openjdk-devkits">Cross compiling the easy way with OpenJDK devkits</h3>
+<p>The OpenJDK build system provides out-of-the box support for creating and using so called devkits. A <code>devkit</code> is basically a collection of a cross-compiling toolchain and a sysroot environment which can easily be used together with the <code>--with-devkit</code> configure option to cross compile the OpenJDK. On Linux/x86_64, the following command:</p>
+<pre><code>bash configure --with-devkit=&lt;devkit-path&gt; --openjdk-target=ppc64-linux-gnu &amp;&amp; make</code></pre>
+<p>will configure and build OpenJDK for Linux/ppc64 assuming that <code>&lt;devkit-path&gt;</code> points to a Linux/x86_64 to Linux/ppc64 devkit.</p>
+<p>Devkits can be created from the <code>make/devkit</code> directory by executing:</p>
+<pre><code>make [ TARGETS=&quot;&lt;TARGET_TRIPLET&gt;+&quot; ] [ BASE_OS=&lt;OS&gt; ] [ BASE_OS_VERSION=&lt;VER&gt; ]</code></pre>
+<p>where <code>TARGETS</code> contains one or more <code>TARGET_TRIPLET</code>s of the form described in <a href="https://sourceware.org/autobook/autobook/autobook_17.html">section 3.4 of the GNU Autobook</a>. If no targets are given, a native toolchain for the current platform will be created. Currently, at least the following targets are known to work:</p>
+<table>
+<thead>
+<tr class="header">
+<th style="text-align: left;">Supported devkit targets</th>
+</tr>
+</thead>
+<tbody>
+<tr class="odd">
+<td style="text-align: left;">x86_64-linux-gnu</td>
+</tr>
+<tr class="even">
+<td style="text-align: left;">aarch64-linux-gnu</td>
+</tr>
+<tr class="odd">
+<td style="text-align: left;">arm-linux-gnueabihf</td>
+</tr>
+<tr class="even">
+<td style="text-align: left;">ppc64-linux-gnu</td>
+</tr>
+<tr class="odd">
+<td style="text-align: left;">ppc64le-linux-gnu</td>
+</tr>
+<tr class="even">
+<td style="text-align: left;">s390x-linux-gnu</td>
+</tr>
+</tbody>
+</table>
+<p><code>BASE_OS</code> must be one of &quot;OEL6&quot; for Oracle Enterprise Linux 6 or &quot;Fedora&quot; (if not specified &quot;OEL6&quot; will be the default). If the base OS is &quot;Fedora&quot; the corresponding Fedora release can be specified with the help of the <code>BASE_OS_VERSION</code> option (with &quot;27&quot; as default version). If the build is successful, the new devkits can be found in the <code>build/devkit/result</code> subdirectory:</p>
+<pre><code>cd make/devkit
+make TARGETS=&quot;ppc64le-linux-gnu aarch64-linux-gnu&quot; BASE_OS=Fedora BASE_OS_VERSION=21
+ls -1 ../../build/devkit/result/
+x86_64-linux-gnu-to-aarch64-linux-gnu
+x86_64-linux-gnu-to-ppc64le-linux-gnu</code></pre>
+<p>Notice that devkits are not only useful for targeting different build platforms. Because they contain the full build dependencies for a system (i.e. compiler and root file system), they can easily be used to build well-known, reliable and reproducible build environments. You can for example create and use a devkit with GCC 7.3 and a Fedora 12 sysroot environment (with glibc 2.11) on Ubuntu 14.04 (which doesn't have GCC 7.3 by default) to produce OpenJDK binaries which will run on all Linux systems with runtime libraries newer than the ones from Fedora 12 (e.g. Ubuntu 16.04, SLES 11 or RHEL 6).</p>
 <h3 id="boot-jdk-and-build-jdk">Boot JDK and Build JDK</h3>
 <p>When cross-compiling, make sure you use a boot JDK that runs on the <em>build</em> system, and not on the <em>target</em> system.</p>
 <p>To be able to build, we need a &quot;Build JDK&quot;, which is a JDK built from the current sources (that is, the same as the end result of the entire build process), but able to run on the <em>build</em> system, and not the <em>target</em> system. (In contrast, the Boot JDK should be from an older release, e.g. JDK 8 when building JDK 9.)</p>
@@ -634,6 +677,72 @@ cp: cannot stat `arm-linux-gnueabihf/libSM.so&#39;: No such file or directory
 cp: cannot stat `arm-linux-gnueabihf/libXt.so&#39;: No such file or directory</code></pre></li>
 <li><p>If the X11 libraries are not properly detected by <code>configure</code>, you can point them out by <code>--with-x</code>.</p></li>
 </ul>
+<h3 id="creating-and-using-sysroots-with-qemu-deboostrap">Creating And Using Sysroots With qemu-deboostrap</h3>
+<p>Fortunately, you can create sysroots for foreign architectures with tools provided by your OS. On Debian/Ubuntu systems, one could use <code>qemu-deboostrap</code> to create the <em>target</em> system chroot, which would have the native libraries and headers specific to that <em>target</em> system. After that, we can use the cross-compiler on the <em>build</em> system, pointing into chroot to get the build dependencies right. This allows building for foreign architectures with native compilation speed.</p>
+<p>For example, cross-compiling to AArch64 from x86_64 could be done like this:</p>
+<ul>
+<li><p>Install cross-compiler on the <em>build</em> system:</p>
+<pre><code>apt install g++-aarch64-linux-gnu gcc-aarch64-linux-gnu</code></pre></li>
+<li><p>Create chroot on the <em>build</em> system, configuring it for <em>target</em> system:</p>
+<pre><code>sudo qemu-debootstrap --arch=arm64 --verbose \
+   --include=fakeroot,build-essential,libx11-dev,libxext-dev,libxrender-dev,libxtst-dev,libxt-dev,libcups2-dev,libfontconfig1-dev,libasound2-dev,libfreetype6-dev,libpng12-dev \
+   --resolve-deps jessie /chroots/arm64 http://httpredir.debian.org/debian/</code></pre></li>
+<li><p>Configure and build with newly created chroot as sysroot/toolchain-path:</p>
+<pre><code>CC=aarch64-linux-gnu-gcc CXX=aarch64-linux-gnu-g++ sh ./configure --openjdk-target=aarch64-linux-gnu --with-sysroot=/chroots/arm64/ --with-toolchain-path=/chroots/arm64/
+make images
+ls build/linux-aarch64-normal-server-release/</code></pre></li>
+</ul>
+<p>The build does not create new files in that chroot, so it can be reused for multiple builds without additional cleanup.</p>
+<p>Architectures that are known to successfully cross-compile like this are:</p>
+<table>
+<thead>
+<tr class="header">
+<th style="text-align: left;">Target</th>
+<th style="text-align: left;"><code>CC</code></th>
+<th style="text-align: left;"><code>CXX</code></th>
+<th style="text-align: left;"><code>--arch=...</code></th>
+<th style="text-align: left;"><code>--openjdk-target=...</code></th>
+</tr>
+</thead>
+<tbody>
+<tr class="odd">
+<td style="text-align: left;">x86</td>
+<td style="text-align: left;">default</td>
+<td style="text-align: left;">default</td>
+<td style="text-align: left;">i386</td>
+<td style="text-align: left;">i386-linux-gnu</td>
+</tr>
+<tr class="even">
+<td style="text-align: left;">armhf</td>
+<td style="text-align: left;">gcc-arm-linux-gnueabihf</td>
+<td style="text-align: left;">g++-arm-linux-gnueabihf</td>
+<td style="text-align: left;">armhf</td>
+<td style="text-align: left;">arm-linux-gnueabihf</td>
+</tr>
+<tr class="odd">
+<td style="text-align: left;">aarch64</td>
+<td style="text-align: left;">gcc-aarch64-linux-gnu</td>
+<td style="text-align: left;">g++-aarch64-linux-gnu</td>
+<td style="text-align: left;">arm64</td>
+<td style="text-align: left;">aarch64-linux-gnu</td>
+</tr>
+<tr class="even">
+<td style="text-align: left;">ppc64el</td>
+<td style="text-align: left;">gcc-powerpc64le-linux-gnu</td>
+<td style="text-align: left;">g++-powerpc64le-linux-gnu</td>
+<td style="text-align: left;">ppc64el</td>
+<td style="text-align: left;">powerpc64le-linux-gnu</td>
+</tr>
+<tr class="odd">
+<td style="text-align: left;">s390x</td>
+<td style="text-align: left;">gcc-s390x-linux-gnu</td>
+<td style="text-align: left;">g++-s390x-linux-gnu</td>
+<td style="text-align: left;">s390x</td>
+<td style="text-align: left;">s390x-linux-gnu</td>
+</tr>
+</tbody>
+</table>
+<p>Additional architectures might be supported by Debian/Ubuntu Ports.</p>
 <h3 id="building-for-armaarch64">Building for ARM/aarch64</h3>
 <p>A common cross-compilation target is the ARM CPU. When building for ARM, it is useful to set the ABI profile. A number of pre-defined ABI profiles are available using <code>--with-abi-profile</code>: arm-vfp-sflt, arm-vfp-hflt, arm-sflt, armv5-vfp-sflt, armv6-vfp-hflt. Note that soft-float ABIs are no longer properly supported by the JDK.</p>
 <p>The JDK contains two different ports for the aarch64 platform, one is the original aarch64 port from the <a href="http://openjdk.java.net/projects/aarch64-port">AArch64 Port Project</a> and one is a 64-bit version of the Oracle contributed ARM port. When targeting aarch64, by the default the original aarch64 port is used. To select the Oracle ARM 64 port, use <code>--with-cpu-port=arm64</code>. Also set the corresponding value (<code>aarch64</code> or <code>arm64</code>) to --with-abi-profile, to ensure a consistent build.</p>
@@ -743,7 +852,12 @@ cannot create ... Permission denied
 spawn failed</code></pre>
 <p>This can be a sign of a Cygwin problem. See the information about solving problems in the <a href="#cygwin">Cygwin</a> section. Rebooting the computer might help temporarily.</p>
 <h3 id="getting-help">Getting Help</h3>
-<p>If none of the suggestions in this document helps you, or if you find what you believe is a bug in the build system, please contact the Build Group by sending a mail to <a href="mailto:build-dev@openjdk.java.net">build-dev@openjdk.java.net</a>. Please include the relevant parts of the configure and/or build log.</p>
+<p>If none of the suggestions in this document helps you, or if you find what you believe is a bug in the build system, please contact the Build Group by sending a mail to <script type="text/javascript">
+<!--
+h='&#x6f;&#112;&#x65;&#110;&#106;&#100;&#x6b;&#46;&#106;&#x61;&#118;&#x61;&#46;&#110;&#x65;&#116;';a='&#64;';n='&#98;&#x75;&#x69;&#108;&#100;&#x2d;&#100;&#x65;&#118;';e=n+a+h;
+document.write('<a h'+'ref'+'="ma'+'ilto'+':'+e+'" clas'+'s="em' + 'ail">'+e+'<\/'+'a'+'>');
+// -->
+</script><noscript>&#98;&#x75;&#x69;&#108;&#100;&#x2d;&#100;&#x65;&#118;&#32;&#x61;&#116;&#32;&#x6f;&#112;&#x65;&#110;&#106;&#100;&#x6b;&#32;&#100;&#x6f;&#116;&#32;&#106;&#x61;&#118;&#x61;&#32;&#100;&#x6f;&#116;&#32;&#110;&#x65;&#116;</noscript>. Please include the relevant parts of the configure and/or build log.</p>
 <p>If you need general help or advice about developing for the JDK, you can also contact the Adoption Group. See the section on <a href="#contributing-to-openjdk">Contributing to OpenJDK</a> for more information.</p>
 <h2 id="hints-and-suggestions-for-advanced-users">Hints and Suggestions for Advanced Users</h2>
 <h3 id="setting-up-a-forest-for-pushing-changes-defpath">Setting Up a Forest for Pushing Changes (defpath)</h3>

doc/building.md

@@ -875,6 +875,64 @@ If all you want to do is to compile a 32-bit version, for the same OS, on a
 full-blown cross-compilation. (While this surely is possible, it's a lot more
 work and will take much longer to build.)
 
+### Cross compiling the easy way with OpenJDK devkits
+
+The OpenJDK build system provides out-of-the box support for creating and using
+so called devkits. A `devkit` is basically a collection of a cross-compiling
+toolchain and a sysroot environment which can easily be used together with the
+`--with-devkit` configure option to cross compile the OpenJDK. On Linux/x86_64,
+the following command:
+```
+bash configure --with-devkit=<devkit-path> --openjdk-target=ppc64-linux-gnu && make
+```
+
+will configure and build OpenJDK for Linux/ppc64 assuming that `<devkit-path>`
+points to a Linux/x86_64 to Linux/ppc64 devkit.
+
+Devkits can be created from the `make/devkit` directory by executing:
+```
+make [ TARGETS="<TARGET_TRIPLET>+" ] [ BASE_OS=<OS> ] [ BASE_OS_VERSION=<VER> ]
+```
+
+where `TARGETS` contains one or more `TARGET_TRIPLET`s of the form
+described in [section 3.4 of the GNU Autobook](
+https://sourceware.org/autobook/autobook/autobook_17.html). If no
+targets are given, a native toolchain for the current platform will be
+created. Currently, at least the following targets are known to work:
+
+ Supported devkit targets
+ ------------------------
+ x86_64-linux-gnu
+ aarch64-linux-gnu
+ arm-linux-gnueabihf
+ ppc64-linux-gnu
+ ppc64le-linux-gnu
+ s390x-linux-gnu
+
+`BASE_OS` must be one of "OEL6" for Oracle Enterprise Linux 6 or
+"Fedora" (if not specified "OEL6" will be the default). If the base OS
+is "Fedora" the corresponding Fedora release can be specified with the
+help of the `BASE_OS_VERSION` option (with "27" as default version).
+If the build is successful, the new devkits can be found in the
+`build/devkit/result` subdirectory:
+```
+cd make/devkit
+make TARGETS="ppc64le-linux-gnu aarch64-linux-gnu" BASE_OS=Fedora BASE_OS_VERSION=21
+ls -1 ../../build/devkit/result/
+x86_64-linux-gnu-to-aarch64-linux-gnu
+x86_64-linux-gnu-to-ppc64le-linux-gnu
+```
+
+Notice that devkits are not only useful for targeting different build
+platforms. Because they contain the full build dependencies for a
+system (i.e. compiler and root file system), they can easily be used
+to build well-known, reliable and reproducible build environments. You
+can for example create and use a devkit with GCC 7.3 and a Fedora 12
+sysroot environment (with glibc 2.11) on Ubuntu 14.04 (which doesn't
+have GCC 7.3 by default) to produce OpenJDK binaries which will run on
+all Linux systems with runtime libraries newer than the ones from
+Fedora 12 (e.g. Ubuntu 16.04, SLES 11 or RHEL 6).
+
 ### Boot JDK and Build JDK
 
 When cross-compiling, make sure you use a boot JDK that runs on the *build*
@@ -1018,6 +1076,51 @@ Note that X11 is needed even if you only want to build a headless JDK.
   * If the X11 libraries are not properly detected by `configure`, you can
     point them out by `--with-x`.
 
+### Creating And Using Sysroots With qemu-deboostrap
+
+Fortunately, you can create sysroots for foreign architectures with tools
+provided by your OS. On Debian/Ubuntu systems, one could use `qemu-deboostrap` to
+create the *target* system chroot, which would have the native libraries and headers
+specific to that *target* system. After that, we can use the cross-compiler on the *build*
+system, pointing into chroot to get the build dependencies right. This allows building
+for foreign architectures with native compilation speed.
+
+For example, cross-compiling to AArch64 from x86_64 could be done like this:
+
+  * Install cross-compiler on the *build* system:
+```
+apt install g++-aarch64-linux-gnu gcc-aarch64-linux-gnu
+```
+
+  * Create chroot on the *build* system, configuring it for *target* system:
+```
+sudo qemu-debootstrap --arch=arm64 --verbose \
+       --include=fakeroot,build-essential,libx11-dev,libxext-dev,libxrender-dev,libxtst-dev,libxt-dev,libcups2-dev,libfontconfig1-dev,libasound2-dev,libfreetype6-dev,libpng12-dev \
+       --resolve-deps jessie /chroots/arm64 http://httpredir.debian.org/debian/
+```
+
+  * Configure and build with newly created chroot as sysroot/toolchain-path:
+```
+CC=aarch64-linux-gnu-gcc CXX=aarch64-linux-gnu-g++ sh ./configure --openjdk-target=aarch64-linux-gnu --with-sysroot=/chroots/arm64/ --with-toolchain-path=/chroots/arm64/
+make images
+ls build/linux-aarch64-normal-server-release/
+```
+
+The build does not create new files in that chroot, so it can be reused for multiple builds
+without additional cleanup.
+
+Architectures that are known to successfully cross-compile like this are:
+
+  Target        `CC`                      `CXX`                       `--arch=...` `--openjdk-target=...`
+  ------------  ------------------------- --------------------------- ------------ ----------------------
+  x86           default                   default                     i386         i386-linux-gnu
+  armhf         gcc-arm-linux-gnueabihf   g++-arm-linux-gnueabihf     armhf        arm-linux-gnueabihf
+  aarch64       gcc-aarch64-linux-gnu     g++-aarch64-linux-gnu       arm64        aarch64-linux-gnu
+  ppc64el       gcc-powerpc64le-linux-gnu g++-powerpc64le-linux-gnu   ppc64el      powerpc64le-linux-gnu
+  s390x         gcc-s390x-linux-gnu       g++-s390x-linux-gnu         s390x        s390x-linux-gnu
+
+Additional architectures might be supported by Debian/Ubuntu Ports.
+
 ### Building for ARM/aarch64
 
 A common cross-compilation target is the ARM CPU. When building for ARM, it is

jb/project/docker/Dockerfile

@@ -4,9 +4,9 @@ RUN yum -y install centos-release-scl
 RUN yum -y install devtoolset-8
 RUN yum -y install zip bzip2 unzip tar wget make autoconf automake libtool alsa-devel cups-devel xorg-x11-devel libjpeg62-devel giflib-devel freetype-devel file which libXtst-devel libXt-devel libXrender-devel alsa-lib-devel fontconfig-devel libXrandr-devel libXi-devel git
 # Install Java 11
-RUN wget https://bintray.com/jetbrains/intellij-jbr/download_file?file_path=jbrsdk-11_0_3-linux-x64-b360.2.tar.gz \
+RUN wget https://cdn.azul.com/zulu/bin/zulu11.45.27-ca-jdk11.0.10-linux_x64.tar.gz \
 -O - | tar xz -C /
-ENV JAVA_HOME /jbrsdk
+ENV JAVA_HOME /zulu11.45.27-ca-jdk11.0.10-linux_x64
 ENV PATH $JAVA_HOME/bin:/opt/rh/devtoolset-8/root/usr/bin:$PATH
 RUN git config --global user.email "teamcity@buildserver.intellij.net"
 RUN git config --global user.name "builduser"

jb/project/tools/linux/scripts/mkimages_aarch64.sh

@@ -6,7 +6,6 @@
 #   build_number     - specifies the number of JetBrainsRuntime build
 #   bundle_type      - specifies bundle to bu built; possible values:
 #                        jcef - the bundles 1) jbr with jcef+javafx, 2) jbrsdk and 3) test will be created
-#                        jfx  - the bundle 1) jbr with javafx only will be created
 #
 # jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
 # jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
@@ -32,6 +31,7 @@ sh configure \
   --with-debug-level=release \
   --with-vendor-name="${VENDOR_NAME}" \
   --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+  --with-jvm-features=shenandoahgc \
   --with-version-pre= \
   --with-version-build=${JDK_BUILD_NUMBER} \
   --with-version-opt=b${build_number} \

jb/project/tools/linux/scripts/mkimages_x64.sh

@@ -6,8 +6,6 @@
 #   build_number     - specifies the number of JetBrainsRuntime build
 #   bundle_type      - specifies bundle to be built; possible values:
 #                        jcef - the release bundles with jcef
-#                        jfx - the release bundles with javafx
-#                        jcef_jfx - the release bundles with jcef and javafx
 #                        dcevm - the release bundles with dcevm patches
 #                        nomod - the release bundles without any additional modules (jcef)
 #                        fd - the fastdebug bundles which also include the jcef module
@@ -41,12 +39,9 @@ function create_jbr {
   JBR_BUNDLE=jbr_${bundle_type}
 
   case "${bundle_type}" in
-  "jfx" | "jcef" | "dcevm" | "nomod" | "fd")
+  "jcef" | "dcevm" | "nomod" | "fd")
     JBR_BASE_NAME=jbr_${bundle_type}-${JBSDK_VERSION}
     ;;
-  "jfx_jcef")
-    JBR_BASE_NAME=jbr-${JBSDK_VERSION}
-    ;;
   *)
     echo "***ERR*** bundle was not specified" && do_exit 1
     ;;
@@ -80,19 +75,10 @@ WITH_DEBUG_LEVEL="--with-debug-level=release"
 RELEASE_NAME=linux-x86_64-normal-server-release
 JBSDK=${JBRSDK_BASE_NAME}-linux-x64-b${build_number}
 case "$bundle_type" in
-  "jfx")
-    git apply -p0 < jb/project/tools/patches/add_jfx_module.patch || do_exit $?
-    do_reset_changes=1
-    ;;
   "jcef")
     git apply -p0 < jb/project/tools/patches/add_jcef_module.patch || do_exit $?
     do_reset_changes=1
     ;;
-  "jfx_jcef")
-    git apply -p0 < jb/project/tools/patches/add_jfx_module.patch || do_exit $?
-    git apply -p0 < jb/project/tools/patches/add_jcef_module.patch || do_exit $?
-    do_reset_changes=1
-    ;;
   "dcevm")
     HEAD_REVISION=$(git rev-parse HEAD)
     git am jb/project/tools/patches/dcevm/*.patch || do_exit $?
@@ -120,6 +106,7 @@ sh configure \
   $WITH_DEBUG_LEVEL \
   --with-vendor-name="${VENDOR_NAME}" \
   --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+  --with-jvm-features=shenandoahgc \
   --with-version-pre= \
   --with-version-build=${JDK_BUILD_NUMBER} \
   --with-version-opt=b${build_number} \

jb/project/tools/linux/scripts/mkimages_x86.sh

@@ -6,7 +6,6 @@
 #   build_number     - specifies the number of JetBrainsRuntime build
 #   bundle_type      - specifies bundle to bu built; possible values:
 #                        jcef - the bundles 1) jbr with jcef+javafx, 2) jbrsdk and 3) test will be created
-#                        jfx  - the bundle 1) jbr with javafx only will be created
 #
 # jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
 # jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
@@ -32,6 +31,7 @@ linux32 bash configure \
   --with-debug-level=release \
   --with-vendor-name="${VENDOR_NAME}" \
   --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+  --with-jvm-features=shenandoahgc \
   --with-version-pre= \
   --with-version-build=$JDK_BUILD_NUMBER \
   --with-version-opt=b${build_number} \

jb/project/tools/mac/scripts/mkimages.sh

@@ -6,8 +6,6 @@
 #   build_number     - specifies the number of JetBrainsRuntime build
 #   bundle_type      - specifies bundle to be built; possible values:
 #                        jcef - the release bundles with jcef
-#                        jfx - the release bundles with javafx
-#                        jcef_jfx - the release bundles with jcef and javafx
 #                        dcevm - the release bundles with dcevm patches
 #                        nomod - the release bundles without any additional modules (jcef)
 #                        fd - the fastdebug bundles which also include the jcef module
@@ -30,28 +28,41 @@ JBSDK_VERSION=$1
 JDK_BUILD_NUMBER=$2
 build_number=$3
 bundle_type=$4
+architecture=$5 # aarch64 or x64
+enable_aot=$6 # temporary param for building test jre with aot under aarch64
 JBSDK_VERSION_WITH_DOTS=$(echo $JBSDK_VERSION | sed 's/_/\./g')
 WITH_IMPORT_MODULES="--with-import-modules=${MODULAR_SDK_PATH:=./modular-sdk}"
 JCEF_PATH=${JCEF_PATH:=./jcef_mac}
+architecture=${architecture:=x64}
 
 source jb/project/tools/common.sh
 
+function copyJNF {
+  __contents_dir=$1
+    mkdir -p ${__contents_dir}/Frameworks
+    cp -Rp Frameworks/JavaNativeFoundation.framework ${__contents_dir}/Frameworks
+}
 function create_jbr {
 
   JBR_BUNDLE=jbr_${bundle_type}
 
   case "${bundle_type}" in
-  "jfx" | "jcef" | "dcevm" | "nomod" | "fd")
+  "jcef" | "dcevm" | "nomod" | "fd")
     JBR_BASE_NAME=jbr_${bundle_type}-${JBSDK_VERSION}
     ;;
-  "jfx_jcef")
-    JBR_BASE_NAME=jbr-${JBSDK_VERSION}
-    ;;
   *)
     echo "***ERR*** bundle was not specified" && do_exit 1
     ;;
   esac
-  cat modules.list > modules_tmp.list
+  if [[ "${architecture}" == *aarch64* ]] && [[ "${enable_aot}" != *enable_aot* ]]; then
+    # aot isn't supported yet, so remove dependent modules
+    echo "Exclude jdk.internal.vm.compiler and jdk.aot (because aot not supported yet)"
+    cat modules.list | \
+      grep -v "jdk.internal.vm.compiler\|jdk.aot" \
+      > modules_tmp.list
+  else
+    cat modules.list > modules_tmp.list
+  fi
   rm -rf ${BASE_DIR}/${JBR_BUNDLE}
 
   JRE_CONTENTS=${BASE_DIR}/${JBR_BUNDLE}/Contents
@@ -61,7 +72,7 @@ function create_jbr {
   fi
   mkdir -p ${JRE_CONTENTS}
 
-  JBR=${JBR_BASE_NAME}-osx-x64-b${build_number}
+  JBR=${JBR_BASE_NAME}-osx-${architecture}-b${build_number}
 
   echo Running jlink....
   ${BASE_DIR}/$JBRSDK_BUNDLE/Contents/Home/bin/jlink \
@@ -71,36 +82,38 @@ function create_jbr {
   cp -R ${BASE_DIR}/${JBRSDK_BUNDLE}/Contents/MacOS ${JRE_CONTENTS}
   cp ${BASE_DIR}/${JBRSDK_BUNDLE}/Contents/Info.plist ${JRE_CONTENTS}
 
+  rm -rf ${JRE_CONTENTS}/Frameworks || do_exit $?
+  if [[ "${architecture}" == *aarch64* ]]; then
+    # we can't notarize this library as usual framework (with headers and tbd-file)
+    # but single library notarizes correctly
+    copyJNF ${JRE_CONTENTS}
+  fi
   if [[ "${bundle_type}" == *jcef* ]] || [[ "${bundle_type}" == *dcevm* ]] || [[ "${bundle_type}" == fd ]]; then
-    rm -rf ${JRE_CONTENTS}/Frameworks || do_exit $?
     cp -a ${JCEF_PATH}/Frameworks ${JRE_CONTENTS} || do_exit $?
   fi
 
   echo Creating ${JBR}.tar.gz ...
   rm -rf ${BASE_DIR}/jbr
   cp -R ${BASE_DIR}/${JBR_BUNDLE} ${BASE_DIR}/jbr
+
   COPYFILE_DISABLE=1 tar -pczf ${JBR}.tar.gz --exclude='*.dSYM' --exclude='man' -C ${BASE_DIR} jbr || do_exit $?
   rm -rf ${BASE_DIR}/${JBR_BUNDLE}
 }
 
 JBRSDK_BASE_NAME=jbrsdk-${JBSDK_VERSION}
 WITH_DEBUG_LEVEL="--with-debug-level=release"
-RELEASE_NAME=macosx-x86_64-normal-server-release
-JBSDK=${JBRSDK_BASE_NAME}-osx-x64-b${build_number}
+CONF_ARCHITECTURE=x86_64
+if [[ "${architecture}" == *aarch64* ]]; then
+  CONF_ARCHITECTURE=aarch64
+fi
+CONF_NAME=macosx-${CONF_ARCHITECTURE}-normal-server-release
+
+JBSDK=${JBRSDK_BASE_NAME}-osx-${architecture}-b${build_number}
 case "$bundle_type" in
-  "jfx")
-    git apply -p0 < jb/project/tools/patches/add_jfx_module.patch || do_exit $?
-    do_reset_changes=1
-    ;;
   "jcef")
     git apply -p0 < jb/project/tools/patches/add_jcef_module.patch || do_exit $?
     do_reset_changes=1
     ;;
-  "jfx_jcef")
-    git apply -p0 < jb/project/tools/patches/add_jfx_module.patch || do_exit $?
-    git apply -p0 < jb/project/tools/patches/add_jcef_module.patch || do_exit $?
-    do_reset_changes=1
-    ;;
   "dcevm")
     HEAD_REVISION=$(git rev-parse HEAD)
     git am jb/project/tools/patches/dcevm/*.patch || do_exit $?
@@ -115,30 +128,56 @@ case "$bundle_type" in
     git apply -p0 < jb/project/tools/patches/add_jcef_module.patch || do_exit $?
     do_reset_changes=1
     WITH_DEBUG_LEVEL="--with-debug-level=fastdebug"
-    RELEASE_NAME=macosx-x86_64-normal-server-fastdebug
-    JBSDK=${JBRSDK_BASE_NAME}-osx-x64-fastdebug-b${build_number}
+    CONF_NAME=macosx-${CONF_ARCHITECTURE}-normal-server-fastdebug
+    JBSDK=${JBRSDK_BASE_NAME}-osx-${architecture}-fastdebug-b${build_number}
     ;;
   *)
     echo "***ERR*** bundle was not specified" && do_exit 1
     ;;
 esac
 
-sh configure \
+if [[ "${architecture}" == *aarch64* ]]; then
+  # NOTE: aot, cds aren't supported yet
+  WITH_JVM_FEATURES="--with-jvm-features=-aot"
+  if [[ "${enable_aot}" == *enable_aot* ]]; then
+    echo "Enable unstable jvm feature: AOT"
+    WITH_JVM_FEATURES=""
+  fi
+  sh configure \
   --disable-warnings-as-errors \
   $WITH_DEBUG_LEVEL \
   --with-vendor-name="${VENDOR_NAME}" \
   --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+  --with-jvm-features=shenandoahgc \
   --with-version-pre= \
   --with-version-build=${JDK_BUILD_NUMBER} \
   --with-version-opt=b${build_number} \
   $WITH_IMPORT_MODULES \
   --with-boot-jdk=`/usr/libexec/java_home -v 11` \
-  --enable-cds=yes || do_exit $?
+  --disable-hotspot-gtest --disable-javac-server --disable-full-docs --disable-manpages \
+  --enable-cds=no \
+  $WITH_JVM_FEATURES \
+  --with-extra-cflags="-F$(pwd)/Frameworks" \
+  --with-extra-cxxflags="-F$(pwd)/Frameworks" \
+  --with-extra-ldflags="-F$(pwd)/Frameworks" || do_exit $?
+else
+  sh configure \
+    --disable-warnings-as-errors \
+    $WITH_DEBUG_LEVEL \
+    --with-vendor-name="${VENDOR_NAME}" \
+    --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+    --with-version-pre= \
+    --with-version-build=${JDK_BUILD_NUMBER} \
+    --with-version-opt=b${build_number} \
+    $WITH_IMPORT_MODULES \
+    --with-boot-jdk=`/usr/libexec/java_home -v 11` \
+    --enable-cds=yes || do_exit $?
+fi
 
-make clean CONF=$RELEASE_NAME || do_exit $?
-make images CONF=$RELEASE_NAME || do_exit $?
+make clean CONF=$CONF_NAME || do_exit $?
+make images CONF=$CONF_NAME || do_exit $?
 
-JSDK=build/${RELEASE_NAME}/images/jdk-bundle
+JSDK=build/${CONF_NAME}/images/jdk-bundle
 
 BASE_DIR=jre
 JBRSDK_BUNDLE=jbrsdk
@@ -146,17 +185,19 @@ JBRSDK_BUNDLE=jbrsdk
 rm -rf $BASE_DIR
 mkdir $BASE_DIR || do_exit $?
 cp -a $JSDK/jdk-$JBSDK_VERSION_WITH_DOTS.jdk $BASE_DIR/$JBRSDK_BUNDLE || do_exit $?
-
-  if [[ "${bundle_type}" == *jcef* ]] || [[ "${bundle_type}" == *dcevm* ]] || [[ "${bundle_type}" == fd ]]; then
+if [[ "${bundle_type}" == *jcef* ]] || [[ "${bundle_type}" == *dcevm* ]] || [[ "${bundle_type}" == fd ]]; then
   cp -a ${JCEF_PATH}/Frameworks $BASE_DIR/$JBRSDK_BUNDLE/Contents/
 fi
-if [ "${bundle_type}" == "jcef" ] || [ "{$bundle_type}" == "fd" ]; then
+if [ "${bundle_type}" == "jcef" ] || [ "${bundle_type}" == "fd" ]; then
   echo Creating $JBSDK.tar.gz ...
+  if [[ "${architecture}" == *aarch64* ]]; then
+    copyJNF $BASE_DIR/$JBRSDK_BUNDLE/Contents
+  fi
   sed 's/JBR/JBRSDK/g' ${BASE_DIR}/${JBRSDK_BUNDLE}/Contents/Home/release > release
   mv release ${BASE_DIR}/${JBRSDK_BUNDLE}/Contents/Home/release
   [ -f "${JBSDK}.tar.gz" ] && rm "${JBSDK}.tar.gz"
   COPYFILE_DISABLE=1 tar -pczf ${JBSDK}.tar.gz -C ${BASE_DIR} \
-    --exclude='._*' --exclude='.DS_Store' --exclude='*~' \
+    --exclude='.DS_Store' --exclude='*~' \
     --exclude='Home/demo' --exclude='Home/man' --exclude='Home/sample' \
     ${JBRSDK_BUNDLE} || do_exit $?
 fi
@@ -164,13 +205,13 @@ fi
 create_jbr || do_exit $?
 
 if [ "$bundle_type" == "jcef" ]; then
-  make test-image CONF=$RELEASE_NAME || do_exit $?
+  make test-image CONF=$CONF_NAME || do_exit $?
 
-  JBRSDK_TEST=$JBRSDK_BASE_NAME-osx-test-x64-b$build_number
+  JBRSDK_TEST=$JBRSDK_BASE_NAME-osx-test-${architecture}-b$build_number
 
   echo Creating $JBRSDK_TEST.tar.gz ...
   [ -f "${JBRSDK_TEST}.tar.gz" ] && rm "${JBRSDK_TEST}.tar.gz"
-  COPYFILE_DISABLE=1 tar -pczf ${JBRSDK_TEST}.tar.gz -C build/${RELEASE_NAME}/images \
+  COPYFILE_DISABLE=1 tar -pczf ${JBRSDK_TEST}.tar.gz -C build/${CONF_NAME}/images \
     --exclude='test/jdk/demos' test || do_exit $?
 fi
 

jb/project/tools/mac/scripts/notarize.sh

@@ -58,7 +58,7 @@ file="$APP_NAME.zip"
 
 log "Zipping $file..."
 rm -rf "$file"
-ditto -c -k --sequesterRsrc --keepParent "$APP_DIRECTORY/Contents" "$file"
+ditto -c -k --sequesterRsrc --keepParent "$APP_DIRECTORY" "$file"
 
 log "Notarizing $file..."
 rm -rf "altool.init.out" "altool.check.out"

jb/project/tools/mac/scripts/sign.sh

@@ -26,17 +26,30 @@ log "Signing libraries and executables..."
 # -perm +111 searches for executables
 for f in \
    "Contents/Home/bin" \
-   "Contents/Home/lib" \
-   "Contents/Frameworks"; do
+   "Contents/Home/lib"; do
   if [ -d "$APP_DIRECTORY/$f" ]; then
     find "$APP_DIRECTORY/$f" \
       -type f \( -name "*.jnilib" -o -name "*.dylib" -o -name "*.so" -o -perm +111 \) \
-      -exec codesign --timestamp \
+      -exec codesign --timestamp --force \
       -v -s "$JB_CERT" --options=runtime \
       --entitlements entitlements.xml {} \;
   fi
 done
 
+if [ -d "$APP_DIRECTORY/Contents/Frameworks" ]; then
+  log "Signing frameworks..."
+  for f in $APP_DIRECTORY/Contents/Frameworks/*; do
+    find "$f" \
+      -type f \( -name "*.jnilib" -o -name "*.dylib" -o -name "*.so" \) \
+      -exec codesign --timestamp --force \
+      -v -s "$JB_CERT" \
+      --entitlements entitlements.xml {} \;
+    codesign --timestamp --force \
+      -v -s "$JB_CERT" --options=runtime \
+      --entitlements entitlements.xml "$f"
+  done
+fi
+
 log "Signing libraries in jars in $PWD"
 
 # todo: add set -euo pipefail; into the inner sh -c
@@ -55,7 +68,7 @@ find "$APP_DIRECTORY" -name '*.jar' \
 
     find jarfolder \
       -type f \( -name "*.jnilib" -o -name "*.dylib" -o -name "*.so" -o -name "jattach" \) \
-      -exec codesign --timestamp \
+      -exec codesign --timestamp --force \
       -v -s "$JB_CERT" --options=runtime \
       --entitlements entitlements.xml {} \;
 
@@ -71,7 +84,7 @@ for f in \
   if [ -d "$APP_DIRECTORY/$f" ]; then
     find "$APP_DIRECTORY/$f" \
       -type f \( -name "*.jnilib" -o -name "*.dylib" -o -name "*.so" -o -perm +111 \) \
-      -exec codesign --timestamp \
+      -exec codesign --timestamp --force \
       -v -s "$JB_CERT" --options=runtime \
       --entitlements entitlements.xml {} \;
   fi

jb/project/tools/mac/scripts/signapp.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -x
 
 #immediately exit script with an error if a command fails
 set -euo pipefail
@@ -32,8 +32,10 @@ mkdir "$BACKUP_JMODS"
 
 log "Unzipping $INPUT_FILE to $EXPLODED ..."
 tar -xzvf "$INPUT_FILE" --directory $EXPLODED
-rm "$INPUT_FILE"
 BUILD_NAME="$(ls "$EXPLODED")"
+sed -i '' s/BNDL/APPL/ $EXPLODED/$BUILD_NAME/Contents/Info.plist
+rm -f $EXPLODED/$BUILD_NAME/Contents/CodeResources
+rm "$INPUT_FILE"
 if test -d $EXPLODED/$BUILD_NAME/Contents/Home/jmods; then
   mv $EXPLODED/$BUILD_NAME/Contents/Home/jmods $BACKUP_JMODS
 fi
@@ -125,8 +127,8 @@ log "Zipping $BUILD_NAME to $INPUT_FILE ..."
     mv $BACKUP_JMODS/jmods $EXPLODED/$BUILD_NAME/Contents/Home
   fi
 
-  COPYFILE_DISABLE=1 tar -pczf $INPUT_FILE --exclude='*.dSYM' --exclude='man' -C $EXPLODED $BUILD_NAME
+  tar -pczvf $INPUT_FILE --exclude='*.dSYM' --exclude='man' -C $EXPLODED $BUILD_NAME
   log "Finished zipping"
 )
 rm -rf "$EXPLODED"
-log "Done"
+log "Done"

jb/project/tools/patches/add_jcef_module.patch

@@ -1,18 +1,18 @@
 diff --git modules.list modules.list
-index e23d793..368d022 100644
+index 33375b527c4..76539cbc0e0 100644
 --- modules.list
 +++ modules.list
-@@ -54,4 +54,7 @@ jdk.security.jgss,
- jdk.unsupported,
+@@ -55,4 +55,7 @@ jdk.unsupported,
  jdk.xml.dom,
  jdk.zipfs,
--jdk.hotspot.agent
-+jdk.hotspot.agent,
+ jdk.hotspot.agent,
+-jdk.jcmd
++jdk.jcmd,
 +jcef,
 +gluegen.rt,
 +jogl.all
 diff --git src/java.desktop/share/classes/module-info.java src/java.desktop/share/classes/module-info.java
-index b663b38..3e9acdc 100644
+index b663b382f52..3e9acdc0c27 100644
 --- src/java.desktop/share/classes/module-info.java
 +++ src/java.desktop/share/classes/module-info.java
 @@ -109,7 +109,11 @@ module java.desktop {

jb/project/tools/patches/add_jfx_module.patch

@@ -1,18 +0,0 @@
-diff --git modules.list modules.list
-index e23d793ca61..14b9a6c8e50 100644
---- modules.list
-+++ modules.list
-@@ -20,6 +20,13 @@ java.sql.rowset,
- java.transaction.xa,
- java.xml,
- java.xml.crypto,
-+javafx.base,
-+javafx.controls,
-+javafx.fxml,
-+javafx.graphics,
-+javafx.media,
-+javafx.swing,
-+javafx.web,
- jdk.accessibility,
- jdk.aot,
- jdk.attach,

jb/project/tools/patches/dcevm/0001-Apply-basic-dcevm11-patch.patch

@@ -1,7 +1,7 @@
-From 3b899c25e7ff58ce8b0e04e537507f64a5b1c87d Mon Sep 17 00:00:00 2001
+From d75ca6d0d1799ffde4199f6ef5047699b98d3ff2 Mon Sep 17 00:00:00 2001
 From: skybber <lada.dvorak7@gmail.com>
 Date: Wed, 14 Nov 2018 21:09:39 +0100
-Subject: [PATCH 01/13] Apply basic dcevm11 patch
+Subject: [PATCH 01/18] Apply basic dcevm11 patch
 
 ---
  src/hotspot/share/ci/ciObjectFactory.cpp      |   25 +
@@ -126,7 +126,7 @@ index 1063c9853e1..3e9d48c4cdc 100644
  
  #endif // SHARE_VM_CI_CIOBJECTFACTORY_HPP
 diff --git a/src/hotspot/share/classfile/classFileParser.cpp b/src/hotspot/share/classfile/classFileParser.cpp
-index bf8ac6f3b17..cd8f517e8be 100644
+index 6d65cca2101..e2b8c5793d0 100644
 --- a/src/hotspot/share/classfile/classFileParser.cpp
 +++ b/src/hotspot/share/classfile/classFileParser.cpp
 @@ -954,6 +954,8 @@ void ClassFileParser::parse_interfaces(const ClassFileStream* const stream,
@@ -138,7 +138,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
        if (!interf->is_interface()) {
          THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(),
                    err_msg("class %s can not implement %s, because it is not an interface (%s)",
-@@ -3747,7 +3749,7 @@ const InstanceKlass* ClassFileParser::parse_super_class(ConstantPool* const cp,
+@@ -3826,7 +3828,7 @@ const InstanceKlass* ClassFileParser::parse_super_class(ConstantPool* const cp,
      // However, make sure it is not an array type.
      bool is_array = false;
      if (cp->tag_at(super_class_index).is_klass()) {
@@ -147,7 +147,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
        if (need_verify)
          is_array = super_klass->is_array_klass();
      } else if (need_verify) {
-@@ -4415,7 +4417,10 @@ void ClassFileParser::set_precomputed_flags(InstanceKlass* ik) {
+@@ -4494,7 +4496,10 @@ void ClassFileParser::set_precomputed_flags(InstanceKlass* ik) {
    if (!_has_empty_finalizer) {
      if (_has_finalizer ||
          (super != NULL && super->has_finalizer())) {
@@ -159,7 +159,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
      }
    }
  
-@@ -5793,6 +5798,7 @@ ClassFileParser::ClassFileParser(ClassFileStream* stream,
+@@ -5872,6 +5877,7 @@ ClassFileParser::ClassFileParser(ClassFileStream* stream,
                                   const InstanceKlass* host_klass,
                                   GrowableArray<Handle>* cp_patches,
                                   Publicity pub_level,
@@ -167,7 +167,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
                                   TRAPS) :
    _stream(stream),
    _requested_name(name),
-@@ -5851,7 +5857,8 @@ ClassFileParser::ClassFileParser(ClassFileStream* stream,
+@@ -5930,7 +5936,8 @@ ClassFileParser::ClassFileParser(ClassFileStream* stream,
    _has_finalizer(false),
    _has_empty_finalizer(false),
    _has_vanilla_constructor(false),
@@ -177,7 +177,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
  
    _class_name = name != NULL ? name : vmSymbols::unknown_class_name();
  
-@@ -6252,14 +6259,15 @@ void ClassFileParser::post_process_parsed_stream(const ClassFileStream* const st
+@@ -6331,14 +6338,15 @@ void ClassFileParser::post_process_parsed_stream(const ClassFileStream* const st
          CHECK);
      }
      Handle loader(THREAD, _loader_data->class_loader());
@@ -196,7 +196,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
    if (_super_klass != NULL) {
      if (_super_klass->has_nonstatic_concrete_methods()) {
 diff --git a/src/hotspot/share/classfile/classFileParser.hpp b/src/hotspot/share/classfile/classFileParser.hpp
-index 9f7204be9b6..3db14b678f3 100644
+index 3bdfd34e39f..d792ab4bb3f 100644
 --- a/src/hotspot/share/classfile/classFileParser.hpp
 +++ b/src/hotspot/share/classfile/classFileParser.hpp
 @@ -115,6 +115,9 @@ class ClassFileParser {
@@ -209,7 +209,7 @@ index 9f7204be9b6..3db14b678f3 100644
    enum { fixed_buffer_size = 128 };
    u_char _linenumbertable_buffer[fixed_buffer_size];
  
-@@ -496,6 +499,9 @@ class ClassFileParser {
+@@ -500,6 +503,9 @@ class ClassFileParser {
                       FieldLayoutInfo* info,
                       TRAPS);
  
@@ -219,7 +219,7 @@ index 9f7204be9b6..3db14b678f3 100644
   public:
    ClassFileParser(ClassFileStream* stream,
                    Symbol* name,
-@@ -504,6 +510,7 @@ class ClassFileParser {
+@@ -508,6 +514,7 @@ class ClassFileParser {
                    const InstanceKlass* host_klass,
                    GrowableArray<Handle>* cp_patches,
                    Publicity pub_level,
@@ -227,7 +227,7 @@ index 9f7204be9b6..3db14b678f3 100644
                    TRAPS);
  
    ~ClassFileParser();
-@@ -532,6 +539,7 @@ class ClassFileParser {
+@@ -536,6 +543,7 @@ class ClassFileParser {
    ClassLoaderData* loader_data() const { return _loader_data; }
    const Symbol* class_name() const { return _class_name; }
    const InstanceKlass* super_klass() const { return _super_klass; }
@@ -236,10 +236,10 @@ index 9f7204be9b6..3db14b678f3 100644
    ReferenceType reference_type() const { return _rt; }
    AccessFlags access_flags() const { return _access_flags; }
 diff --git a/src/hotspot/share/classfile/classLoader.cpp b/src/hotspot/share/classfile/classLoader.cpp
-index d4f7d92b19c..599ce40a2c5 100644
+index 78eb096458a..368c59e2cbf 100644
 --- a/src/hotspot/share/classfile/classLoader.cpp
 +++ b/src/hotspot/share/classfile/classLoader.cpp
-@@ -1501,6 +1501,7 @@ InstanceKlass* ClassLoader::load_class(Symbol* name, bool search_append_only, TR
+@@ -1505,6 +1505,7 @@ InstanceKlass* ClassLoader::load_class(Symbol* name, bool search_append_only, TR
                                                             protection_domain,
                                                             NULL, // host_klass
                                                             NULL, // cp_patches
@@ -449,10 +449,10 @@ index d26f1f11fb4..fd4b134d7a7 100644
  
  // An entry in the class loader data dictionaries, this describes a class as
 diff --git a/src/hotspot/share/classfile/javaClasses.cpp b/src/hotspot/share/classfile/javaClasses.cpp
-index 438e7aa4ec9..ea0588e5388 100644
+index fc4efecc6e7..903979c9ef2 100644
 --- a/src/hotspot/share/classfile/javaClasses.cpp
 +++ b/src/hotspot/share/classfile/javaClasses.cpp
-@@ -2443,6 +2443,8 @@ void java_lang_Throwable::fill_in_stack_trace(Handle throwable, const methodHand
+@@ -2446,6 +2446,8 @@ void java_lang_Throwable::fill_in_stack_trace(Handle throwable, const methodHand
          skip_throwableInit_check = true;
        }
      }
@@ -461,7 +461,7 @@ index 438e7aa4ec9..ea0588e5388 100644
      if (method->is_hidden()) {
        if (skip_hidden)  continue;
      }
-@@ -3625,6 +3627,62 @@ void java_lang_invoke_DirectMethodHandle::serialize_offsets(SerializeClosure* f)
+@@ -3628,6 +3630,62 @@ void java_lang_invoke_DirectMethodHandle::serialize_offsets(SerializeClosure* f)
  }
  #endif
  
@@ -524,7 +524,7 @@ index 438e7aa4ec9..ea0588e5388 100644
  // Support for java_lang_invoke_MethodHandle
  
  int java_lang_invoke_MethodHandle::_type_offset;
-@@ -3811,6 +3869,11 @@ void java_lang_invoke_ResolvedMethodName::set_vmtarget(oop resolved_method, Meth
+@@ -3814,6 +3872,11 @@ void java_lang_invoke_ResolvedMethodName::set_vmtarget(oop resolved_method, Meth
    resolved_method->address_field_put(_vmtarget_offset, (address)m);
  }
  
@@ -685,10 +685,10 @@ index c08f8b9a119..b7b96c5cfdc 100644
   public:
    static InstanceKlass* check_shared_class_file_load_hook(
 diff --git a/src/hotspot/share/classfile/loaderConstraints.cpp b/src/hotspot/share/classfile/loaderConstraints.cpp
-index 9cd141bbfa2..e4a23e8a27c 100644
+index 7cccf23efb7..a26b9d1cb55 100644
 --- a/src/hotspot/share/classfile/loaderConstraints.cpp
 +++ b/src/hotspot/share/classfile/loaderConstraints.cpp
-@@ -87,6 +87,19 @@ LoaderConstraintEntry** LoaderConstraintTable::find_loader_constraint(
+@@ -90,6 +90,19 @@ LoaderConstraintEntry** LoaderConstraintTable::find_loader_constraint(
    return pp;
  }
  
@@ -708,7 +708,7 @@ index 9cd141bbfa2..e4a23e8a27c 100644
  
  void LoaderConstraintTable::purge_loader_constraints() {
    assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint");
-@@ -442,7 +455,7 @@ void LoaderConstraintTable::verify(PlaceholderTable* placeholders) {
+@@ -445,7 +458,7 @@ void LoaderConstraintTable::verify(PlaceholderTable* placeholders) {
          if (k != NULL) {
            // We found the class in the dictionary, so we should
            // make sure that the Klass* matches what we already have.
@@ -732,7 +732,7 @@ index 8a7a1248e62..611e18aaf85 100644
    bool add_entry(Symbol* name, InstanceKlass* klass1, Handle loader1,
                                      InstanceKlass* klass2, Handle loader2);
 diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
-index 91dc9faeccb..9dbd6cc9c12 100644
+index bfd67334f82..5a745b6fca6 100644
 --- a/src/hotspot/share/classfile/systemDictionary.cpp
 +++ b/src/hotspot/share/classfile/systemDictionary.cpp
 @@ -201,6 +201,7 @@ Klass* SystemDictionary::resolve_or_fail(Symbol* class_name, Handle class_loader
@@ -824,7 +824,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
    } );
  
    return k;
-@@ -1554,11 +1567,12 @@ static void post_class_define_event(InstanceKlass* k, const ClassLoaderData* def
+@@ -1553,11 +1566,12 @@ static void post_class_define_event(InstanceKlass* k, const ClassLoaderData* def
    }
  }
  
@@ -838,7 +838,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
  
   // for bootstrap and other parallel classloaders don't acquire lock,
   // use placeholder token
-@@ -1583,7 +1597,11 @@ void SystemDictionary::define_instance_class(InstanceKlass* k, TRAPS) {
+@@ -1582,7 +1596,11 @@ void SystemDictionary::define_instance_class(InstanceKlass* k, TRAPS) {
    Symbol*  name_h = k->name();
    Dictionary* dictionary = loader_data->dictionary();
    unsigned int d_hash = dictionary->compute_hash(name_h);
@@ -851,7 +851,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
  
    // Register class just loaded with class loader (placed in Vector)
    // Note we do this before updating the dictionary, as this can
-@@ -1617,7 +1635,7 @@ void SystemDictionary::define_instance_class(InstanceKlass* k, TRAPS) {
+@@ -1616,7 +1634,7 @@ void SystemDictionary::define_instance_class(InstanceKlass* k, TRAPS) {
    k->eager_initialize(THREAD);
  
    // notify jvmti
@@ -860,7 +860,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
        assert(THREAD->is_Java_thread(), "thread->is_Java_thread()");
        JvmtiExport::post_class_load((JavaThread *) THREAD, k);
  
-@@ -1695,7 +1713,7 @@ InstanceKlass* SystemDictionary::find_or_define_instance_class(Symbol* class_nam
+@@ -1694,7 +1712,7 @@ InstanceKlass* SystemDictionary::find_or_define_instance_class(Symbol* class_nam
      }
    }
  
@@ -869,7 +869,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
  
    Handle linkage_exception = Handle(); // null handle
  
-@@ -1818,6 +1836,18 @@ void SystemDictionary::add_to_hierarchy(InstanceKlass* k, TRAPS) {
+@@ -1817,6 +1835,18 @@ void SystemDictionary::add_to_hierarchy(InstanceKlass* k, TRAPS) {
    CodeCache::flush_dependents_on(k);
  }
  
@@ -888,7 +888,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
  // ----------------------------------------------------------------------------
  // GC support
  
-@@ -2089,7 +2119,7 @@ void SystemDictionary::check_constraints(unsigned int d_hash,
+@@ -2113,7 +2143,7 @@ void SystemDictionary::check_constraints(unsigned int d_hash,
        // also hold array classes.
  
        assert(check->is_instance_klass(), "noninstance in systemdictionary");
@@ -898,10 +898,10 @@ index 91dc9faeccb..9dbd6cc9c12 100644
          ss.print("loader %s", loader_data->loader_name_and_id());
          ss.print(" attempted duplicate %s definition for %s. (%s)",
 diff --git a/src/hotspot/share/classfile/systemDictionary.hpp b/src/hotspot/share/classfile/systemDictionary.hpp
-index d38dd0fd003..717f34ce9a0 100644
+index 649b321a6a4..06f6c869d63 100644
 --- a/src/hotspot/share/classfile/systemDictionary.hpp
 +++ b/src/hotspot/share/classfile/systemDictionary.hpp
-@@ -158,6 +158,8 @@ class OopStorage;
+@@ -161,6 +161,8 @@ class OopStorage;
                                                                                                                           \
    /* support for dynamic typing; it's OK if these are NULL in earlier JDKs */                                            \
    do_klass(DirectMethodHandle_klass,                    java_lang_invoke_DirectMethodHandle,       Opt                 ) \
@@ -910,7 +910,7 @@ index d38dd0fd003..717f34ce9a0 100644
    do_klass(MethodHandle_klass,                          java_lang_invoke_MethodHandle,             Pre                 ) \
    do_klass(VarHandle_klass,                             java_lang_invoke_VarHandle,                Pre                 ) \
    do_klass(MemberName_klass,                            java_lang_invoke_MemberName,               Pre                 ) \
-@@ -315,6 +317,7 @@ public:
+@@ -318,6 +320,7 @@ public:
                                              Handle class_loader,
                                              Handle protection_domain,
                                              ClassFileStream* st,
@@ -918,9 +918,9 @@ index d38dd0fd003..717f34ce9a0 100644
                                              TRAPS);
  
    // Lookup an already loaded class. If not found NULL is returned.
-@@ -452,6 +455,10 @@ public:
-   }
-   static BasicType box_klass_type(Klass* k);  // inverse of box_klass
+@@ -462,6 +465,10 @@ public:
+   static bool is_well_known_klass(Symbol* class_name);
+ #endif
  
 +  // Enhanced class redefinition
 +  static void remove_from_hierarchy(InstanceKlass* k);
@@ -929,7 +929,7 @@ index d38dd0fd003..717f34ce9a0 100644
  protected:
    // Returns the class loader data to be used when looking up/updating the
    // system dictionary.
-@@ -645,7 +652,7 @@ protected:
+@@ -655,7 +662,7 @@ protected:
    // after waiting, but before reentering SystemDictionary_lock
    // to preserve lock order semantics.
    static void double_lock_wait(Handle lockObject, TRAPS);
@@ -952,10 +952,10 @@ index ad638e26579..32de261588a 100644
      }
    }
 diff --git a/src/hotspot/share/classfile/verifier.cpp b/src/hotspot/share/classfile/verifier.cpp
-index ea4f74fc783..472216b6a40 100644
+index 9402f628b03..f55ececb086 100644
 --- a/src/hotspot/share/classfile/verifier.cpp
 +++ b/src/hotspot/share/classfile/verifier.cpp
-@@ -237,7 +237,7 @@ bool Verifier::is_eligible_for_verification(InstanceKlass* klass, bool should_ve
+@@ -244,7 +244,7 @@ bool Verifier::is_eligible_for_verification(InstanceKlass* klass, bool should_ve
    Symbol* name = klass->name();
    Klass* refl_magic_klass = SystemDictionary::reflect_MagicAccessorImpl_klass();
  
@@ -977,7 +977,7 @@ index 05239c57866..c1357bde0ed 100644
    methodHandle        _method; // current method being verified
    VerificationType    _this_type; // the verification type of the current class
 diff --git a/src/hotspot/share/classfile/vmSymbols.hpp b/src/hotspot/share/classfile/vmSymbols.hpp
-index 37b68a27962..6e0b95ef5e8 100644
+index 44cf2583eb9..41e9a84cd69 100644
 --- a/src/hotspot/share/classfile/vmSymbols.hpp
 +++ b/src/hotspot/share/classfile/vmSymbols.hpp
 @@ -286,6 +286,8 @@
@@ -1003,7 +1003,7 @@ index 37b68a27962..6e0b95ef5e8 100644
    /* name symbols needed by intrinsics */                                                         \
    VM_INTRINSICS_DO(VM_INTRINSIC_IGNORE, VM_SYMBOL_IGNORE, template, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE) \
 diff --git a/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp b/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
-index 7b9096d73be..a93f764f1b9 100644
+index 17d563338b8..4c9918627a2 100644
 --- a/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
 +++ b/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
 @@ -376,6 +376,12 @@ CompactibleFreeListSpace::CompactibleFreeListSpace(BlockOffsetSharedArray* bs, M
@@ -1019,7 +1019,7 @@ index 7b9096d73be..a93f764f1b9 100644
  // Like CompactibleSpace forward() but always calls cross_threshold() to
  // update the block offset table.  Removed initialize_threshold call because
  // CFLS does not use a block offset array for contiguous spaces.
-@@ -2190,7 +2196,8 @@ CompactibleFreeListSpace::refillLinearAllocBlock(LinearAllocBlock* blk) {
+@@ -2203,7 +2209,8 @@ CompactibleFreeListSpace::refillLinearAllocBlock(LinearAllocBlock* blk) {
  
  // Support for compaction
  void CompactibleFreeListSpace::prepare_for_compaction(CompactPoint* cp) {
@@ -1029,7 +1029,7 @@ index 7b9096d73be..a93f764f1b9 100644
    // Prepare_for_compaction() uses the space between live objects
    // so that later phase can skip dead space quickly.  So verification
    // of the free lists doesn't work after.
-@@ -2208,7 +2215,7 @@ void CompactibleFreeListSpace::adjust_pointers() {
+@@ -2221,7 +2228,7 @@ void CompactibleFreeListSpace::adjust_pointers() {
  }
  
  void CompactibleFreeListSpace::compact() {
@@ -1236,10 +1236,10 @@ index cf96ade0ef0..b6187dae4d0 100644
  
    static void follow_klass(Klass* klass);
 diff --git a/src/hotspot/share/gc/shared/gcConfig.cpp b/src/hotspot/share/gc/shared/gcConfig.cpp
-index ddc84c1d2a4..8aac2b39e1e 100644
+index 8c42e43b00d..9779df92447 100644
 --- a/src/hotspot/share/gc/shared/gcConfig.cpp
 +++ b/src/hotspot/share/gc/shared/gcConfig.cpp
-@@ -101,7 +101,10 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
+@@ -106,7 +106,10 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
  }
  
  void GCConfig::select_gc_ergonomically() {
@@ -1684,7 +1684,7 @@ index 81998728f66..b9ccdee8cca 100644
      }
    }
 diff --git a/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp b/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
-index b532101c9b5..8afe8985026 100644
+index 77c28924b0d..84891b48c2a 100644
 --- a/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
 +++ b/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
 @@ -1467,6 +1467,7 @@ static InstanceKlass* create_new_instance_klass(InstanceKlass* ik, ClassFileStre
@@ -1919,7 +1919,7 @@ index 2a93500b794..2a9eb978b43 100644
  
    // RedefineClasses support
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index d48d4bd6fb5..7e44092f39b 100644
+index 645a63e71be..f059a05ebe7 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -832,7 +832,8 @@ bool InstanceKlass::link_class_impl(bool throw_verifyerror, TRAPS) {
@@ -2013,7 +2013,7 @@ index d48d4bd6fb5..7e44092f39b 100644
  }
  
  #ifndef PRODUCT
-@@ -3532,7 +3582,7 @@ void InstanceKlass::verify_on(outputStream* st) {
+@@ -3552,7 +3602,7 @@ void InstanceKlass::verify_on(outputStream* st) {
      }
  
      guarantee(sib->is_klass(), "should be klass");
@@ -2248,7 +2248,7 @@ index 18c706187df..4533476ff8f 100644
    Symbol* signature() const                      { return constants()->symbol_at(signature_index()); }
    int signature_index() const                    { return constMethod()->signature_index();         }
 diff --git a/src/hotspot/share/prims/jni.cpp b/src/hotspot/share/prims/jni.cpp
-index f9a69ef0c8b..231ada3f0ab 100644
+index 21e7f652652..e9cc3de9652 100644
 --- a/src/hotspot/share/prims/jni.cpp
 +++ b/src/hotspot/share/prims/jni.cpp
 @@ -353,6 +353,7 @@ JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderR
@@ -2260,10 +2260,10 @@ index f9a69ef0c8b..231ada3f0ab 100644
  
    if (log_is_enabled(Debug, class, resolve) && k != NULL) {
 diff --git a/src/hotspot/share/prims/jvm.cpp b/src/hotspot/share/prims/jvm.cpp
-index 797b022d5e5..eb4b7622820 100644
+index 378dcce8cf5..f92d2697e0e 100644
 --- a/src/hotspot/share/prims/jvm.cpp
 +++ b/src/hotspot/share/prims/jvm.cpp
-@@ -927,6 +927,7 @@ static jclass jvm_define_class_common(JNIEnv *env, const char *name,
+@@ -936,6 +936,7 @@ static jclass jvm_define_class_common(JNIEnv *env, const char *name,
                                                     class_loader,
                                                     protection_domain,
                                                     &st,
@@ -2273,7 +2273,7 @@ index 797b022d5e5..eb4b7622820 100644
    if (log_is_enabled(Debug, class, resolve) && k != NULL) {
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 new file mode 100644
-index 00000000000..83c0952de37
+index 00000000000..80c31135487
 --- /dev/null
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -0,0 +1,2255 @@
@@ -4534,7 +4534,7 @@ index 00000000000..83c0952de37
 +}
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 new file mode 100644
-index 00000000000..b712d69a193
+index 00000000000..3f95cf42645
 --- /dev/null
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -0,0 +1,202 @@
@@ -4741,7 +4741,7 @@ index 00000000000..b712d69a193
 +};
 +#endif // SHARE_VM_PRIMS_JVMTIREDEFINECLASSES2_HPP
 diff --git a/src/hotspot/share/prims/jvmtiEnv.cpp b/src/hotspot/share/prims/jvmtiEnv.cpp
-index 1dd911fd8d8..bc6ebb2d4af 100644
+index f54c9b713be..54617f05b5a 100644
 --- a/src/hotspot/share/prims/jvmtiEnv.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnv.cpp
 @@ -50,6 +50,7 @@
@@ -4752,7 +4752,7 @@ index 1dd911fd8d8..bc6ebb2d4af 100644
  #include "prims/jvmtiTagMap.hpp"
  #include "prims/jvmtiThreadState.inline.hpp"
  #include "prims/jvmtiUtil.hpp"
-@@ -381,8 +382,13 @@ JvmtiEnv::GetClassLoaderClasses(jobject initiating_loader, jint* class_count_ptr
+@@ -382,8 +383,13 @@ JvmtiEnv::GetClassLoaderClasses(jobject initiating_loader, jint* class_count_ptr
  // is_modifiable_class_ptr - pre-checked for NULL
  jvmtiError
  JvmtiEnv::IsModifiableClass(oop k_mirror, jboolean* is_modifiable_class_ptr) {
@@ -4768,7 +4768,7 @@ index 1dd911fd8d8..bc6ebb2d4af 100644
    return JVMTI_ERROR_NONE;
  } /* end IsModifiableClass */
  
-@@ -412,7 +418,8 @@ JvmtiEnv::RetransformClasses(jint class_count, const jclass* classes) {
+@@ -413,7 +419,8 @@ JvmtiEnv::RetransformClasses(jint class_count, const jclass* classes) {
        return JVMTI_ERROR_INVALID_CLASS;
      }
  
@@ -4778,7 +4778,7 @@ index 1dd911fd8d8..bc6ebb2d4af 100644
        return JVMTI_ERROR_UNMODIFIABLE_CLASS;
      }
  
-@@ -444,6 +451,12 @@ JvmtiEnv::RetransformClasses(jint class_count, const jclass* classes) {
+@@ -445,6 +452,12 @@ JvmtiEnv::RetransformClasses(jint class_count, const jclass* classes) {
      }
      class_definitions[index].klass              = jcls;
    }
@@ -4791,7 +4791,7 @@ index 1dd911fd8d8..bc6ebb2d4af 100644
    VM_RedefineClasses op(class_count, class_definitions, jvmti_class_load_kind_retransform);
    VMThread::execute(&op);
    return (op.check_error());
-@@ -454,7 +467,12 @@ JvmtiEnv::RetransformClasses(jint class_count, const jclass* classes) {
+@@ -455,7 +468,12 @@ JvmtiEnv::RetransformClasses(jint class_count, const jclass* classes) {
  // class_definitions - pre-checked for NULL
  jvmtiError
  JvmtiEnv::RedefineClasses(jint class_count, const jvmtiClassDefinition* class_definitions) {
@@ -4806,10 +4806,10 @@ index 1dd911fd8d8..bc6ebb2d4af 100644
    VMThread::execute(&op);
    return (op.check_error());
 diff --git a/src/hotspot/share/prims/jvmtiExport.cpp b/src/hotspot/share/prims/jvmtiExport.cpp
-index c2e86c2406a..2463c1f7bdb 100644
+index 6600848e2d3..9337b6ab585 100644
 --- a/src/hotspot/share/prims/jvmtiExport.cpp
 +++ b/src/hotspot/share/prims/jvmtiExport.cpp
-@@ -2799,7 +2799,7 @@ JvmtiDynamicCodeEventCollector::JvmtiDynamicCodeEventCollector() : _code_blobs(N
+@@ -2780,7 +2780,7 @@ JvmtiDynamicCodeEventCollector::JvmtiDynamicCodeEventCollector() : _code_blobs(N
  // iterate over any code blob descriptors collected and post a
  // DYNAMIC_CODE_GENERATED event to the profiler.
  JvmtiDynamicCodeEventCollector::~JvmtiDynamicCodeEventCollector() {
@@ -4819,10 +4819,10 @@ index c2e86c2406a..2463c1f7bdb 100644
   if (_code_blobs != NULL) {
     for (int i=0; i<_code_blobs->length(); i++) {
 diff --git a/src/hotspot/share/prims/jvmtiExport.hpp b/src/hotspot/share/prims/jvmtiExport.hpp
-index 99288f7590c..bb58ad9432c 100644
+index cc5868f1e93..a6cbac03bb2 100644
 --- a/src/hotspot/share/prims/jvmtiExport.hpp
 +++ b/src/hotspot/share/prims/jvmtiExport.hpp
-@@ -178,6 +178,7 @@ class JvmtiExport : public AllStatic {
+@@ -176,6 +176,7 @@ class JvmtiExport : public AllStatic {
    // systems as needed to relax invariant checks.
    static bool _has_redefined_a_class;
    friend class VM_RedefineClasses;
@@ -4850,10 +4850,10 @@ index 61a616271f6..60604c645ff 100644
  
    int extract(jclass* result_list) {
 diff --git a/src/hotspot/share/prims/jvmtiImpl.cpp b/src/hotspot/share/prims/jvmtiImpl.cpp
-index 001c592807a..2a92ece916e 100644
+index a0a6a6cbd18..39953a71244 100644
 --- a/src/hotspot/share/prims/jvmtiImpl.cpp
 +++ b/src/hotspot/share/prims/jvmtiImpl.cpp
-@@ -293,6 +293,11 @@ void JvmtiBreakpoint::each_method_version_do(method_action meth_act) {
+@@ -295,6 +295,11 @@ void JvmtiBreakpoint::each_method_version_do(method_action meth_act) {
    Symbol* m_name = _method->name();
    Symbol* m_signature = _method->signature();
  
@@ -4997,10 +4997,10 @@ index bd439aab073..cc7f71a4404 100644
    static size_t max_heap_for_compressed_oops();
  
 diff --git a/src/hotspot/share/runtime/globals.hpp b/src/hotspot/share/runtime/globals.hpp
-index 1e2408b4ba7..ab5d08390ff 100644
+index 4a53ecb37a8..a6c33744760 100644
 --- a/src/hotspot/share/runtime/globals.hpp
 +++ b/src/hotspot/share/runtime/globals.hpp
-@@ -2671,7 +2671,11 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
+@@ -2674,7 +2674,11 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
            "Start flight recording with options"))                           \
                                                                              \
    experimental(bool, UseFastUnorderedTimeStamps, false,                     \
@@ -5014,10 +5014,10 @@ index 1e2408b4ba7..ab5d08390ff 100644
  #define VM_FLAGS(develop,                                                   \
                   develop_pd,                                                \
 diff --git a/src/hotspot/share/runtime/interfaceSupport.inline.hpp b/src/hotspot/share/runtime/interfaceSupport.inline.hpp
-index f5dac06750a..40a8bdd8e62 100644
+index f39687a25bc..7b1aa3cc58e 100644
 --- a/src/hotspot/share/runtime/interfaceSupport.inline.hpp
 +++ b/src/hotspot/share/runtime/interfaceSupport.inline.hpp
-@@ -277,8 +277,8 @@ class ThreadToNativeFromVM : public ThreadStateTransition {
+@@ -276,8 +276,8 @@ class ThreadToNativeFromVM : public ThreadStateTransition {
   public:
    ThreadToNativeFromVM(JavaThread *thread) : ThreadStateTransition(thread) {
      // We are leaving the VM at this point and going directly to native code.
@@ -5029,7 +5029,7 @@ index f5dac06750a..40a8bdd8e62 100644
      trans_and_fence(_thread_in_vm, _thread_in_native);
      // Check for pending. async. exceptions or suspends.
 diff --git a/src/hotspot/share/runtime/javaCalls.cpp b/src/hotspot/share/runtime/javaCalls.cpp
-index 32040586b36..0eb2fc1ec6b 100644
+index 563ffdbd446..55f06eadcc2 100644
 --- a/src/hotspot/share/runtime/javaCalls.cpp
 +++ b/src/hotspot/share/runtime/javaCalls.cpp
 @@ -57,7 +57,8 @@ JavaCallWrapper::JavaCallWrapper(const methodHandle& callee_method, Handle recei
@@ -5043,7 +5043,7 @@ index 32040586b36..0eb2fc1ec6b 100644
    _result   = result;
  
 diff --git a/src/hotspot/share/runtime/mutexLocker.cpp b/src/hotspot/share/runtime/mutexLocker.cpp
-index b258e347c94..0e60bb4b6bd 100644
+index d504ef00f90..982ba1b69d5 100644
 --- a/src/hotspot/share/runtime/mutexLocker.cpp
 +++ b/src/hotspot/share/runtime/mutexLocker.cpp
 @@ -5,7 +5,7 @@
@@ -5064,7 +5064,7 @@ index b258e347c94..0e60bb4b6bd 100644
  Monitor* GCTaskManager_lock           = NULL;
  
  Mutex*   Management_lock              = NULL;
-@@ -275,6 +277,7 @@ void mutex_init() {
+@@ -285,6 +287,7 @@ void mutex_init() {
    def(JNIGlobalActive_lock         , PaddedMutex  , nonleaf-1,   true,  Monitor::_safepoint_check_never);
    def(JNIWeakAlloc_lock            , PaddedMutex  , nonleaf,     true,  Monitor::_safepoint_check_never);
    def(JNIWeakActive_lock           , PaddedMutex  , nonleaf-1,   true,  Monitor::_safepoint_check_never);

jb/project/tools/patches/dcevm/0002-dcevm11-fixes.patch

@@ -1,7 +1,7 @@
-From 2deb53bed368c6a8e5c9dd719cd1fd2d51190095 Mon Sep 17 00:00:00 2001
+From ebd5c9df33771ad5181a225cccc0cca3881a4dbe Mon Sep 17 00:00:00 2001
 From: skybber <lada.dvorak7@gmail.com>
 Date: Wed, 14 Nov 2018 21:18:22 +0100
-Subject: [PATCH 02/13] dcevm11 fixes
+Subject: [PATCH 02/18] dcevm11 fixes
 
 1. We need to set classRedefinitionCount on new class, not old class.
 
@@ -82,7 +82,7 @@ dmh
  19 files changed, 324 insertions(+), 415 deletions(-)
 
 diff --git a/src/hotspot/share/classfile/classFileParser.cpp b/src/hotspot/share/classfile/classFileParser.cpp
-index cd8f517e8be..1741f8b1167 100644
+index e2b8c5793d0..5e1c740a3d2 100644
 --- a/src/hotspot/share/classfile/classFileParser.cpp
 +++ b/src/hotspot/share/classfile/classFileParser.cpp
 @@ -954,6 +954,7 @@ void ClassFileParser::parse_interfaces(const ClassFileStream* const stream,
@@ -93,7 +93,7 @@ index cd8f517e8be..1741f8b1167 100644
        interf = (Klass *) maybe_newest(interf);
  
        if (!interf->is_interface()) {
-@@ -3749,6 +3750,7 @@ const InstanceKlass* ClassFileParser::parse_super_class(ConstantPool* const cp,
+@@ -3828,6 +3829,7 @@ const InstanceKlass* ClassFileParser::parse_super_class(ConstantPool* const cp,
      // However, make sure it is not an array type.
      bool is_array = false;
      if (cp->tag_at(super_class_index).is_klass()) {
@@ -101,7 +101,7 @@ index cd8f517e8be..1741f8b1167 100644
        super_klass = InstanceKlass::cast(maybe_newest(cp->resolved_klass_at(super_class_index)));
        if (need_verify)
          is_array = super_klass->is_array_klass();
-@@ -4417,7 +4419,7 @@ void ClassFileParser::set_precomputed_flags(InstanceKlass* ik) {
+@@ -4496,7 +4498,7 @@ void ClassFileParser::set_precomputed_flags(InstanceKlass* ik) {
    if (!_has_empty_finalizer) {
      if (_has_finalizer ||
          (super != NULL && super->has_finalizer())) {
@@ -111,10 +111,10 @@ index cd8f517e8be..1741f8b1167 100644
            ik->set_has_finalizer();
          }
 diff --git a/src/hotspot/share/classfile/classFileParser.hpp b/src/hotspot/share/classfile/classFileParser.hpp
-index 3db14b678f3..93ed54d8f70 100644
+index d792ab4bb3f..de48092bde8 100644
 --- a/src/hotspot/share/classfile/classFileParser.hpp
 +++ b/src/hotspot/share/classfile/classFileParser.hpp
-@@ -499,7 +499,7 @@ class ClassFileParser {
+@@ -503,7 +503,7 @@ class ClassFileParser {
                       FieldLayoutInfo* info,
                       TRAPS);
  
@@ -223,7 +223,7 @@ index fd4b134d7a7..5eaa741d500 100644
      return (k != NULL && k->is_redefining()) ? ((InstanceKlass* )k->old_version()) : k;
    }
 diff --git a/src/hotspot/share/classfile/loaderConstraints.cpp b/src/hotspot/share/classfile/loaderConstraints.cpp
-index e4a23e8a27c..bca73b5e0dc 100644
+index a26b9d1cb55..3d5a59a04ff 100644
 --- a/src/hotspot/share/classfile/loaderConstraints.cpp
 +++ b/src/hotspot/share/classfile/loaderConstraints.cpp
 @@ -4,7 +4,7 @@
@@ -235,7 +235,7 @@ index e4a23e8a27c..bca73b5e0dc 100644
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-@@ -87,6 +87,7 @@ LoaderConstraintEntry** LoaderConstraintTable::find_loader_constraint(
+@@ -90,6 +90,7 @@ LoaderConstraintEntry** LoaderConstraintTable::find_loader_constraint(
    return pp;
  }
  
@@ -244,7 +244,7 @@ index e4a23e8a27c..bca73b5e0dc 100644
    for (int index = 0; index < table_size(); index++) {
      LoaderConstraintEntry** p = bucket_addr(index);
 diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
-index 9dbd6cc9c12..e70865109dd 100644
+index 5a745b6fca6..19bc8d9899a 100644
 --- a/src/hotspot/share/classfile/systemDictionary.cpp
 +++ b/src/hotspot/share/classfile/systemDictionary.cpp
 @@ -876,7 +876,8 @@ Klass* SystemDictionary::resolve_instance_class_or_null(Symbol* name,
@@ -266,7 +266,7 @@ index 9dbd6cc9c12..e70865109dd 100644
    if (!DumpSharedSpaces) {
      k = SystemDictionaryShared::lookup_from_stream(class_name,
                                                     class_loader,
-@@ -1836,7 +1837,7 @@ void SystemDictionary::add_to_hierarchy(InstanceKlass* k, TRAPS) {
+@@ -1835,7 +1836,7 @@ void SystemDictionary::add_to_hierarchy(InstanceKlass* k, TRAPS) {
    CodeCache::flush_dependents_on(k);
  }
  
@@ -275,7 +275,7 @@ index 9dbd6cc9c12..e70865109dd 100644
  void SystemDictionary::remove_from_hierarchy(InstanceKlass* k) {
      assert(k != NULL, "just checking");
  
-@@ -1844,6 +1845,7 @@ void SystemDictionary::remove_from_hierarchy(InstanceKlass* k) {
+@@ -1843,6 +1844,7 @@ void SystemDictionary::remove_from_hierarchy(InstanceKlass* k) {
    k->remove_from_sibling_list();
  }
  
@@ -376,7 +376,7 @@ index 47040d51f0c..4318df227d1 100644
    }
  
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index 7e44092f39b..cd5489955c8 100644
+index f059a05ebe7..c28ed956ccf 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -178,6 +178,7 @@ bool InstanceKlass::has_nest_member(InstanceKlass* k, TRAPS) const {
@@ -442,7 +442,7 @@ index 7e44092f39b..cd5489955c8 100644
  //  if (this->old_version() != NULL) {
  //    InstanceKlass::cast(this->old_version())->remove_dependent_nmethod(nm, true);
  //    return;
-@@ -3582,6 +3593,7 @@ void InstanceKlass::verify_on(outputStream* st) {
+@@ -3602,6 +3613,7 @@ void InstanceKlass::verify_on(outputStream* st) {
      }
  
      guarantee(sib->is_klass(), "should be klass");
@@ -463,7 +463,7 @@ index 2cc98b636f1..e8107a39813 100644
    // link this class into the implementors list of every interface it implements
    void process_interfaces(Thread *thread);
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 83c0952de37..92ce6c27b8a 100644
+index 80c31135487..43d761cdbb2 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -1,4 +1,4 @@
@@ -1394,7 +1394,7 @@ index 83c0952de37..92ce6c27b8a 100644
    ResourceMark mark(THREAD);
  
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index b712d69a193..60b62c3170a 100644
+index 3f95cf42645..a48e07e3a6a 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -16,6 +16,8 @@
@@ -1511,10 +1511,10 @@ index b712d69a193..60b62c3170a 100644
  };
  #endif // SHARE_VM_PRIMS_JVMTIREDEFINECLASSES2_HPP
 diff --git a/src/hotspot/share/prims/jvmtiImpl.cpp b/src/hotspot/share/prims/jvmtiImpl.cpp
-index 2a92ece916e..d2044541d38 100644
+index 39953a71244..b59d3046b88 100644
 --- a/src/hotspot/share/prims/jvmtiImpl.cpp
 +++ b/src/hotspot/share/prims/jvmtiImpl.cpp
-@@ -294,8 +294,10 @@ void JvmtiBreakpoint::each_method_version_do(method_action meth_act) {
+@@ -296,8 +296,10 @@ void JvmtiBreakpoint::each_method_version_do(method_action meth_act) {
    Symbol* m_signature = _method->signature();
  
    // (DCEVM) Go through old versions of method

jb/project/tools/patches/dcevm/0003-Support-for-Concurrent-Mark-Sweep-CMS-collector.patch

@@ -1,7 +1,7 @@
-From 7fd25130005527d73d87ad0fe36b86795cfb1f4f Mon Sep 17 00:00:00 2001
+From aaefe6f66a8d363eb35fcdc8ce29bb25be67fe1c Mon Sep 17 00:00:00 2001
 From: skybber <lada.dvorak7@gmail.com>
 Date: Wed, 12 Dec 2018 19:38:28 +0100
-Subject: [PATCH 03/13] Support for Concurrent Mark Sweep (CMS) collector
+Subject: [PATCH 03/18] Support for Concurrent Mark Sweep (CMS) collector
 
 ---
  .../share/gc/cms/compactibleFreeListSpace.cpp | 139 ++++++++++++------
@@ -17,7 +17,7 @@ Subject: [PATCH 03/13] Support for Concurrent Mark Sweep (CMS) collector
  10 files changed, 135 insertions(+), 79 deletions(-)
 
 diff --git a/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp b/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
-index a93f764f1b9..efaa09473a9 100644
+index 4c9918627a2..f335173576f 100644
 --- a/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
 +++ b/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
 @@ -376,55 +376,58 @@ CompactibleFreeListSpace::CompactibleFreeListSpace(BlockOffsetSharedArray* bs, M
@@ -118,7 +118,7 @@ index a93f764f1b9..efaa09473a9 100644
      q->forward_to(oop(compact_top));
      assert(q->is_gc_marked(), "encoding the pointer should preserve the mark");
    } else {
-@@ -2196,13 +2199,60 @@ CompactibleFreeListSpace::refillLinearAllocBlock(LinearAllocBlock* blk) {
+@@ -2209,13 +2212,60 @@ CompactibleFreeListSpace::refillLinearAllocBlock(LinearAllocBlock* blk) {
  
  // Support for compaction
  void CompactibleFreeListSpace::prepare_for_compaction(CompactPoint* cp) {
@@ -181,7 +181,7 @@ index a93f764f1b9..efaa09473a9 100644
  void CompactibleFreeListSpace::adjust_pointers() {
    // In other versions of adjust_pointers(), a bail out
    // based on the amount of live data in the generation
-@@ -2215,7 +2265,12 @@ void CompactibleFreeListSpace::adjust_pointers() {
+@@ -2228,7 +2278,12 @@ void CompactibleFreeListSpace::adjust_pointers() {
  }
  
  void CompactibleFreeListSpace::compact() {
@@ -253,10 +253,10 @@ index d0ff86c8215..b4ed59f020c 100644
      }
      _rescued_oops->clear();
 diff --git a/src/hotspot/share/gc/shared/gcConfig.cpp b/src/hotspot/share/gc/shared/gcConfig.cpp
-index 8aac2b39e1e..39364a64cb2 100644
+index 9779df92447..adb0f5dd25c 100644
 --- a/src/hotspot/share/gc/shared/gcConfig.cpp
 +++ b/src/hotspot/share/gc/shared/gcConfig.cpp
-@@ -101,7 +101,7 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
+@@ -106,7 +106,7 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
  }
  
  void GCConfig::select_gc_ergonomically() {
@@ -422,7 +422,7 @@ index 6b109fcd2e5..8c255d6d428 100644
          Klass* new_version = oop(cur_obj)->klass()->new_version();
          if (new_version->update_information() == NULL) {
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 92ce6c27b8a..41e82ae7a69 100644
+index 43d761cdbb2..14af1aad21b 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -54,6 +54,7 @@

jb/project/tools/patches/dcevm/0004-Fix-class-cast-exception-on-redefinition-of-class-A-.patch

@@ -1,7 +1,7 @@
-From 680002f81e4f143c8c4cbd36f9f6e20a0da007ae Mon Sep 17 00:00:00 2001
+From 002ad1880190d0749f8f8d325c587fd9275bdab2 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@mailprofiler.com>
 Date: Wed, 11 Mar 2020 14:19:34 +0100
-Subject: [PATCH 04/13] Fix class cast exception on redefinition of class A,
+Subject: [PATCH 04/18] Fix class cast exception on redefinition of class A,
  that is superclass of B that has anonymous class C
 
 ---
@@ -9,7 +9,7 @@ Subject: [PATCH 04/13] Fix class cast exception on redefinition of class A,
  1 file changed, 4 insertions(+), 1 deletion(-)
 
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index cd5489955c8..889f228d087 100644
+index c28ed956ccf..7eb1b01c785 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -788,7 +788,10 @@ bool InstanceKlass::link_class_impl(bool throw_verifyerror, TRAPS) {

jb/project/tools/patches/dcevm/0005-HotswapAgent-integration.patch

@@ -1,7 +1,7 @@
-From 4b8bc521e3e494da9761f904d2dabbd5810a4461 Mon Sep 17 00:00:00 2001
+From a00292280f4e3754bffc7a0c562dca1d7552eb39 Mon Sep 17 00:00:00 2001
 From: skybber <lada.dvorak7@gmail.com>
 Date: Wed, 14 Nov 2018 21:20:08 +0100
-Subject: [PATCH 05/13] HotswapAgent integration
+Subject: [PATCH 05/18] HotswapAgent integration
 
 It include:
 
@@ -259,16 +259,16 @@ index 7117fa78059..761a52d8466 100644
  
  # Hook to include the corresponding custom file, if present.
 diff --git a/make/launcher/Launcher-jdk.jconsole.gmk b/make/launcher/Launcher-jdk.jconsole.gmk
-index 6205ae63d16..5ca6a0c123b 100644
+index 575b9e0595b..9b38683a489 100644
 --- a/make/launcher/Launcher-jdk.jconsole.gmk
 +++ b/make/launcher/Launcher-jdk.jconsole.gmk
-@@ -28,7 +28,8 @@ include LauncherCommon.gmk
- $(eval $(call SetupBuildLauncher, jconsole, \
+@@ -29,7 +29,8 @@ $(eval $(call SetupBuildLauncher, jconsole, \
      MAIN_CLASS := sun.tools.jconsole.JConsole, \
      JAVA_ARGS := --add-opens java.base/java.io=jdk.jconsole \
--		 -Djconsole.showOutputViewer, \
-+      -Djconsole.showOutputViewer \
-+      -XX:+DisableHotswapAgent, \
+ 		 -Djconsole.showOutputViewer \
+-		 -Djdk.attach.allowAttachSelf=true, \
++		 -Djdk.attach.allowAttachSelf=true \
++		 -XX:+DisableHotswapAgent, \
      CFLAGS_windows := -DJAVAW, \
      LIBS_windows := user32.lib, \
  ))
@@ -392,7 +392,7 @@ index 82311e69fd6..bd39f8595b2 100644
      CFLAGS := -DENABLE_ARG_FILES, \
  ))
 diff --git a/src/hotspot/share/classfile/vmSymbols.hpp b/src/hotspot/share/classfile/vmSymbols.hpp
-index 6e0b95ef5e8..8e0f1610f31 100644
+index 41e9a84cd69..1f67eb202b5 100644
 --- a/src/hotspot/share/classfile/vmSymbols.hpp
 +++ b/src/hotspot/share/classfile/vmSymbols.hpp
 @@ -342,6 +342,7 @@
@@ -513,7 +513,7 @@ index cc7f71a4404..b2bab2e1f44 100644
    static size_t max_heap_for_compressed_oops();
  
 diff --git a/src/hotspot/share/runtime/globals.hpp b/src/hotspot/share/runtime/globals.hpp
-index ab5d08390ff..7720ceebc81 100644
+index a6c33744760..b8dba232fc1 100644
 --- a/src/hotspot/share/runtime/globals.hpp
 +++ b/src/hotspot/share/runtime/globals.hpp
 @@ -32,6 +32,12 @@
@@ -529,7 +529,7 @@ index ab5d08390ff..7720ceebc81 100644
  // The larger HeapWordSize for 64bit requires larger heaps
  // for the same application running in 64bit.  See bug 4967770.
  // The minimum alignment to a heap word size is done.  Other
-@@ -2675,8 +2681,10 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
+@@ -2678,8 +2684,10 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
                                                                              \
    product(bool, AllowEnhancedClassRedefinition, true,                       \
               "Allow enhanced class redefinition beyond swapping method "    \

jb/project/tools/patches/dcevm/0006-Support-for-Lambda-class-redefinition.patch

@@ -1,7 +1,7 @@
-From 1f0bf4680faa58c5d234cac5440da4cf671e6291 Mon Sep 17 00:00:00 2001
+From 62f3578e0a73913c1262a1612a464d19abfeb626 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Sun, 4 Oct 2020 21:12:12 +0200
-Subject: [PATCH 06/13] Support for Lambda class redefinition
+Subject: [PATCH 06/18] Support for Lambda class redefinition
 
 ---
  .../share/classfile/classLoaderData.cpp       |  9 +++
@@ -47,7 +47,7 @@ index 7e357929971..00a84610b43 100644
  
    void unload();
 diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
-index e70865109dd..cc9f1fa7831 100644
+index 19bc8d9899a..a6a03d3c0e9 100644
 --- a/src/hotspot/share/classfile/systemDictionary.cpp
 +++ b/src/hotspot/share/classfile/systemDictionary.cpp
 @@ -971,12 +971,16 @@ InstanceKlass* SystemDictionary::parse_stream(Symbol* class_name,
@@ -81,7 +81,7 @@ index e70865109dd..cc9f1fa7831 100644
  
    if (host_klass != NULL && k != NULL) {
      // Anonymous classes must update ClassLoaderData holder (was host_klass loader)
-@@ -1845,7 +1853,7 @@ void SystemDictionary::remove_from_hierarchy(InstanceKlass* k) {
+@@ -1844,7 +1852,7 @@ void SystemDictionary::remove_from_hierarchy(InstanceKlass* k) {
    k->remove_from_sibling_list();
  }
  
@@ -91,10 +91,10 @@ index e70865109dd..cc9f1fa7831 100644
    constraints()->update_after_redefinition();
  }
 diff --git a/src/hotspot/share/classfile/systemDictionary.hpp b/src/hotspot/share/classfile/systemDictionary.hpp
-index 717f34ce9a0..dc111846c12 100644
+index 06f6c869d63..1dbbffa197f 100644
 --- a/src/hotspot/share/classfile/systemDictionary.hpp
 +++ b/src/hotspot/share/classfile/systemDictionary.hpp
-@@ -301,6 +301,7 @@ public:
+@@ -304,6 +304,7 @@ public:
                          protection_domain,
                          st,
                          NULL, // host klass
@@ -102,7 +102,7 @@ index 717f34ce9a0..dc111846c12 100644
                          NULL, // cp_patches
                          THREAD);
    }
-@@ -309,6 +310,7 @@ public:
+@@ -312,6 +313,7 @@ public:
                                       Handle protection_domain,
                                       ClassFileStream* st,
                                       const InstanceKlass* host_klass,
@@ -111,7 +111,7 @@ index 717f34ce9a0..dc111846c12 100644
                                       TRAPS);
  
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 41e82ae7a69..b94caa39562 100644
+index 14af1aad21b..0b239b2ff6d 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -488,6 +488,8 @@ void VM_EnhancedRedefineClasses::doit() {
@@ -208,7 +208,7 @@ index 41e82ae7a69..b94caa39562 100644
  
    // Sort the affected klasses such that a supertype is always on a smaller array index than its subtype.
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index 60b62c3170a..d8a11b51fe9 100644
+index a48e07e3a6a..3551b06ecde 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -116,6 +116,7 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
@@ -242,10 +242,10 @@ index af2ec48c2e1..7741328979f 100644
          assert(newer_method != NULL, "method_with_idnum() should not be NULL");
          assert(old_method != newer_method, "sanity check");
 diff --git a/src/hotspot/share/prims/unsafe.cpp b/src/hotspot/share/prims/unsafe.cpp
-index 2f14e01ce0d..d0e0367d8eb 100644
+index c071f8b7cc6..e484b8991d1 100644
 --- a/src/hotspot/share/prims/unsafe.cpp
 +++ b/src/hotspot/share/prims/unsafe.cpp
-@@ -818,6 +818,7 @@ Unsafe_DefineAnonymousClass_impl(JNIEnv *env,
+@@ -820,6 +820,7 @@ Unsafe_DefineAnonymousClass_impl(JNIEnv *env,
                                                  host_domain,
                                                  &st,
                                                  InstanceKlass::cast(host_klass),

jb/project/tools/patches/dcevm/0007-Fix-no-original-bytecode-found-error-if-method-with-.patch

@@ -1,7 +1,7 @@
-From 278abd7996ebb06b3a217b7c677ed947020bbeae Mon Sep 17 00:00:00 2001
+From 4b445e7a7f77f82f757c12010e3c88b2eb4698f9 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Sat, 23 May 2020 10:02:15 +0200
-Subject: [PATCH 07/13] Fix "no original bytecode found" error if method with
+Subject: [PATCH 07/18] Fix "no original bytecode found" error if method with
  bkp is missing
 
 Sometimes IDE can deploy class with erroneous method, such method has
@@ -28,10 +28,10 @@ index e377e36b88c..262ecc021b2 100644
  
  int Bytecodes::special_length_at(Bytecodes::Code code, address bcp, address end) {
 diff --git a/src/hotspot/share/interpreter/interpreterRuntime.cpp b/src/hotspot/share/interpreter/interpreterRuntime.cpp
-index f367e658879..71bbd15a4f5 100644
+index c25e13d83e8..2a66419908c 100644
 --- a/src/hotspot/share/interpreter/interpreterRuntime.cpp
 +++ b/src/hotspot/share/interpreter/interpreterRuntime.cpp
-@@ -834,7 +834,7 @@ IRT_END
+@@ -819,7 +819,7 @@ IRT_END
  // Invokes
  
  IRT_ENTRY(Bytecodes::Code, InterpreterRuntime::get_original_bytecode_at(JavaThread* thread, Method* method, address bcp))
@@ -102,7 +102,7 @@ index 4533476ff8f..193e1845b23 100644
    void set_breakpoint(int bci);
    void clear_breakpoint(int bci);
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index b94caa39562..1fbba406087 100644
+index 0b239b2ff6d..aba99bb60fa 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -1356,14 +1356,16 @@ void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method) {

jb/project/tools/patches/dcevm/0008-Replace-deleted-method-with-Universe-throw_no_such_m.patch

@@ -1,7 +1,7 @@
-From 198a6a93669a1957f472b25afa89b7fe354ceb8f Mon Sep 17 00:00:00 2001
+From c022124c6e0680d2dfc174f66fc858b0eb2591dc Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Sun, 24 May 2020 12:07:42 +0200
-Subject: [PATCH 08/13] Replace deleted method with
+Subject: [PATCH 08/18] Replace deleted method with
  Universe::throw_no_such_method_error
 
 ---

jb/project/tools/patches/dcevm/0009-Support-for-G1-gc.patch

@@ -1,7 +1,7 @@
-From 65ff0a93f95b86fe7a53c571d34c9cc478cb701a Mon Sep 17 00:00:00 2001
+From aa1d291c7349e5cecf9d93e817d0866460deb903 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Fri, 12 Jun 2020 17:43:52 +0200
-Subject: [PATCH 09/13] Support for G1 gc
+Subject: [PATCH 09/18] Support for G1 gc
 
 ---
  src/hotspot/share/gc/g1/g1CollectedHeap.cpp   |  20 +++
@@ -990,10 +990,10 @@ index 00000000000..e2ef0171fb2
 +
 +#endif
 diff --git a/src/hotspot/share/gc/shared/gcConfig.cpp b/src/hotspot/share/gc/shared/gcConfig.cpp
-index 39364a64cb2..945b06ad2a4 100644
+index adb0f5dd25c..20e0ef9ee8a 100644
 --- a/src/hotspot/share/gc/shared/gcConfig.cpp
 +++ b/src/hotspot/share/gc/shared/gcConfig.cpp
-@@ -101,7 +101,7 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
+@@ -106,7 +106,7 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
  }
  
  void GCConfig::select_gc_ergonomically() {
@@ -1040,7 +1040,7 @@ index d0a6d665aa0..3dc4cc1323c 100644
    SystemDictionary::oops_do(oopClosure);
  }
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 1fbba406087..e67fc2dd58f 100644
+index aba99bb60fa..8b6fad2128e 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -36,7 +36,6 @@
@@ -1244,7 +1244,7 @@ index 1fbba406087..e67fc2dd58f 100644
    ResourceMark mark(THREAD);
  
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index d8a11b51fe9..9755944d70b 100644
+index 3551b06ecde..62a0fbf54d4 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -86,9 +86,10 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {

jb/project/tools/patches/dcevm/0010-Change-log-level-in-advanced-redefinition.patch

@@ -1,7 +1,7 @@
-From eaba630276969a0ebbb410716bae44875c6c75a2 Mon Sep 17 00:00:00 2001
+From b6ea0ee6fcc376f575be0f461c494664d55ed986 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Sat, 13 Jun 2020 18:50:59 +0200
-Subject: [PATCH 10/13] Change log level in advanced redefinition
+Subject: [PATCH 10/18] Change log level in advanced redefinition
 
 - Change log level for "Comparing different class ver.." to debug
 - Fix adjust_method_entries_dcevm logging levels and severity
@@ -11,7 +11,7 @@ Subject: [PATCH 10/13] Change log level in advanced redefinition
  2 files changed, 3 insertions(+), 3 deletions(-)
 
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index e67fc2dd58f..5be9bb74305 100644
+index 8b6fad2128e..a8adfa5af47 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -915,7 +915,7 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {

jb/project/tools/patches/dcevm/0011-AllowEnhancedClassRedefinition-is-false-disabled-by-.patch

@@ -1,7 +1,7 @@
-From 5b4b2a8af787fed3cdaee5c603dd7fe99246dae2 Mon Sep 17 00:00:00 2001
+From ef1098751c596a03fd1721affc20d221b3544d37 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Tue, 6 Oct 2020 22:15:31 +0200
-Subject: [PATCH 11/13] AllowEnhancedClassRedefinition is false (disabled) by
+Subject: [PATCH 11/18] AllowEnhancedClassRedefinition is false (disabled) by
  default
 
 ---
@@ -9,10 +9,10 @@ Subject: [PATCH 11/13] AllowEnhancedClassRedefinition is false (disabled) by
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/src/hotspot/share/runtime/globals.hpp b/src/hotspot/share/runtime/globals.hpp
-index 7720ceebc81..f7e3fd04593 100644
+index b8dba232fc1..d4453de1ff5 100644
 --- a/src/hotspot/share/runtime/globals.hpp
 +++ b/src/hotspot/share/runtime/globals.hpp
-@@ -2679,7 +2679,7 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
+@@ -2682,7 +2682,7 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
    experimental(bool, UseFastUnorderedTimeStamps, false,                     \
            "Use platform unstable time where supported for timestamps only") \
                                                                              \

jb/project/tools/patches/dcevm/0012-add-jvmtiEnhancedRedefineClasses.-to-CMakeLists.txt.patch

@@ -1,7 +1,7 @@
-From 27935fd012ac48b5b360cae224d2a9cc63012433 Mon Sep 17 00:00:00 2001
+From 6a78dda15c66cbba1ca6a2d7f3df3a55fc087f50 Mon Sep 17 00:00:00 2001
 From: Artem Khvastunov <artem.khvastunov@jetbrains.com>
 Date: Tue, 14 Apr 2020 19:11:35 +0200
-Subject: [PATCH 12/13] add jvmtiEnhancedRedefineClasses.* to CMakeLists.txt
+Subject: [PATCH 12/18] add jvmtiEnhancedRedefineClasses.* to CMakeLists.txt
 
 ---
  jb/project/hotspot-cmake/CMakeLists.txt | 2 ++

jb/project/tools/patches/dcevm/0013-Set-HOTSPOT_VM_DISTRO-Dynamic-Code-Evolution.patch

@@ -1,14 +1,14 @@
-From 82c3c60345b38acd04e6f1aea7d43e9283a71b8f Mon Sep 17 00:00:00 2001
+From 80c1cd01b45735928e3b3e9283b5484ea6a70a7f Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Mon, 19 Oct 2020 20:00:04 +0200
-Subject: [PATCH 13/13] Set HOTSPOT_VM_DISTRO=Dynamic Code Evolution
+Subject: [PATCH 13/18] Set HOTSPOT_VM_DISTRO=Dynamic Code Evolution
 
 ---
  make/autoconf/version-numbers | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/make/autoconf/version-numbers b/make/autoconf/version-numbers
-index 6e7a13956b2..47ec50e6d22 100644
+index 1d08f6a80dc..88b4d460ee8 100644
 --- a/make/autoconf/version-numbers
 +++ b/make/autoconf/version-numbers
 @@ -44,7 +44,7 @@ PRODUCT_NAME=OpenJDK

jb/project/tools/patches/dcevm/0014-Fix-G1-nmethod-registration.patch

@@ -0,0 +1,71 @@
+From 122562d31005edd3573a645c3a02c1d8fe843c5e Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Sun, 11 Oct 2020 10:43:28 +0200
+Subject: [PATCH 14/18] Fix G1 nmethod registration
+
+---
+ .../prims/jvmtiEnhancedRedefineClasses.cpp    | 19 ++++++++++++++++---
+ .../prims/jvmtiEnhancedRedefineClasses.hpp    |  3 ++-
+ 2 files changed, 18 insertions(+), 4 deletions(-)
+
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+index a8adfa5af47..4ee12b7021f 100644
+--- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+@@ -217,7 +217,14 @@ void VM_EnhancedRedefineClasses::mark_as_scavengable(nmethod* nm) {
+   }
+ }
+ 
+-void VM_EnhancedRedefineClasses::mark_as_scavengable_g1(nmethod* nm) {
++void VM_EnhancedRedefineClasses::unregister_nmethod_g1(nmethod* nm) {
++  // It should work not only for G1 but also for another GCs, but this way is safer now
++  if (!nm->is_zombie() && !nm->is_unloaded()) {
++    Universe::heap()->unregister_nmethod(nm);
++  }
++}
++
++void VM_EnhancedRedefineClasses::register_nmethod_g1(nmethod* nm) {
+   // It should work not only for G1 but also for another GCs, but this way is safer now
+   if (!nm->is_zombie() && !nm->is_unloaded()) {
+     Universe::heap()->register_nmethod(nm);
+@@ -520,8 +527,9 @@ void VM_EnhancedRedefineClasses::doit() {
+     // For now, mark all nmethod's as scavengable that are not scavengable already
+     if (ScavengeRootsInCode) {
+       if (UseG1GC) {
+-        // this should work also for other GCs
+-        CodeCache::nmethods_do(mark_as_scavengable_g1);
++        // G1 holds references to nmethods in regions based on oops values. Since oops in nmethod can be changed in ChangePointers* closures
++        // we unregister nmethods from G1 heap, then closures are processed (oops are changed) and finally we register nmethod to G1 again
++        CodeCache::nmethods_do(unregister_nmethod_g1);
+       } else {
+         CodeCache::nmethods_do(mark_as_scavengable);
+       }
+@@ -544,6 +552,11 @@ void VM_EnhancedRedefineClasses::doit() {
+ 
+     Universe::root_oops_do(&oopClosureNoBarrier);
+ 
++    if (UseG1GC) {
++      // this should work also for other GCs
++      CodeCache::nmethods_do(register_nmethod_g1);
++    }
++
+   }
+   log_trace(redefine, class, obsolete, metadata)("After updating instances");
+ 
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
+index 62a0fbf54d4..d00109a0b92 100644
+--- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
++++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
+@@ -116,7 +116,8 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
+ 
+   void rollback();
+   static void mark_as_scavengable(nmethod* nm);
+-  static void mark_as_scavengable_g1(nmethod* nm);
++  static void unregister_nmethod_g1(nmethod* nm);
++  static void register_nmethod_g1(nmethod* nm);
+   static void unpatch_bytecode(Method* method);
+   static void fix_invoke_method(Method* method);
+ 
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0015-Initialize-method-s-_new_version-_old_version-to-NUL.patch

@@ -0,0 +1,26 @@
+From 0156b2084be20579b407e112a00ba15f54248003 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Thu, 22 Oct 2020 20:15:20 +0200
+Subject: [PATCH 15/18] Initialize method's _new_version/_old_version to NULL
+
+---
+ src/hotspot/share/oops/method.cpp | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/oops/method.cpp b/src/hotspot/share/oops/method.cpp
+index 031f255e632..a9556ecf0c4 100644
+--- a/src/hotspot/share/oops/method.cpp
++++ b/src/hotspot/share/oops/method.cpp
+@@ -83,7 +83,8 @@ Method* Method::allocate(ClassLoaderData* loader_data,
+   return new (loader_data, size, MetaspaceObj::MethodType, THREAD) Method(cm, access_flags);
+ }
+ 
+-Method::Method(ConstMethod* xconst, AccessFlags access_flags) {
++Method::Method(ConstMethod* xconst, AccessFlags access_flags) :  _new_version(NULL),
++                                                                 _old_version(NULL) {
+   NoSafepointVerifier no_safepoint;
+   set_constMethod(xconst);
+   set_access_flags(access_flags);
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0016-Clear-dcevm-code-separation.patch

@@ -0,0 +1,191 @@
+From 81ba8f1d120e158a7b0cfa09b5dd51295d51901f Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Fri, 23 Oct 2020 10:20:26 +0200
+Subject: [PATCH 16/18] Clear dcevm code separation
+
+---
+ src/hotspot/share/classfile/systemDictionary.cpp   |  4 ++--
+ src/hotspot/share/gc/serial/genMarkSweep.cpp       |  8 +++++---
+ src/hotspot/share/interpreter/linkResolver.cpp     | 14 ++++++++++----
+ .../instrumentation/jfrEventClassTransformer.cpp   |  2 +-
+ src/hotspot/share/oops/instanceKlass.cpp           | 10 ++++++----
+ src/hotspot/share/oops/method.cpp                  |  2 +-
+ src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp  |  2 +-
+ src/hotspot/share/runtime/reflection.cpp           |  2 +-
+ 8 files changed, 27 insertions(+), 17 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
+index a6a03d3c0e9..9e0f4dd3c96 100644
+--- a/src/hotspot/share/classfile/systemDictionary.cpp
++++ b/src/hotspot/share/classfile/systemDictionary.cpp
+@@ -1152,7 +1152,7 @@ InstanceKlass* SystemDictionary::resolve_from_stream(Symbol* class_name,
+     MutexLocker mu(SystemDictionary_lock, THREAD);
+ 
+     Klass* check = find_class(h_name, k->class_loader_data());
+-    assert((check == k && !k->is_redefining()) || (k->is_redefining() && check == k->old_version()), "should be present in the dictionary");
++    assert(check == k && !k->is_redefining() || k->is_redefining() && check == k->old_version(), "should be present in the dictionary");
+   } );
+ 
+   return k;
+@@ -2153,7 +2153,7 @@ void SystemDictionary::check_constraints(unsigned int d_hash,
+       // also hold array classes.
+ 
+       assert(check->is_instance_klass(), "noninstance in systemdictionary");
+-      if ((defining == true) || ((k != check) && k->old_version() != check)) {
++      if ((defining == true) || (k != check && (!AllowEnhancedClassRedefinition || k->old_version() != check))) {
+         throwException = true;
+         ss.print("loader %s", loader_data->loader_name_and_id());
+         ss.print(" attempted duplicate %s definition for %s. (%s)",
+diff --git a/src/hotspot/share/gc/serial/genMarkSweep.cpp b/src/hotspot/share/gc/serial/genMarkSweep.cpp
+index b18682f9a12..590b5389b4d 100644
+--- a/src/hotspot/share/gc/serial/genMarkSweep.cpp
++++ b/src/hotspot/share/gc/serial/genMarkSweep.cpp
+@@ -343,7 +343,9 @@ void GenMarkSweep::mark_sweep_phase4() {
+ 
+   GenCompactClosure blk;
+   gch->generation_iterate(&blk, true);
+-  DcevmSharedGC::copy_rescued_objects_back(MarkSweep::_rescued_oops, true);
+-  DcevmSharedGC::clear_rescued_objects_resource(MarkSweep::_rescued_oops);
+-  MarkSweep::_rescued_oops = NULL;
++  if (AllowEnhancedClassRedefinition) {
++    DcevmSharedGC::copy_rescued_objects_back(MarkSweep::_rescued_oops, true);
++    DcevmSharedGC::clear_rescued_objects_resource(MarkSweep::_rescued_oops);
++    MarkSweep::_rescued_oops = NULL;
++  }
+ }
+diff --git a/src/hotspot/share/interpreter/linkResolver.cpp b/src/hotspot/share/interpreter/linkResolver.cpp
+index 9dc184d02f5..bff1c3627b0 100644
+--- a/src/hotspot/share/interpreter/linkResolver.cpp
++++ b/src/hotspot/share/interpreter/linkResolver.cpp
+@@ -295,8 +295,13 @@ void LinkResolver::check_klass_accessability(Klass* ref_klass, Klass* sel_klass,
+       return;  // no relevant check to do
+     }
+   }
+-  Reflection::VerifyClassAccessResults vca_result =
+-    Reflection::verify_class_access(ref_klass->newest_version(), InstanceKlass::cast(base_klass->newest_version()), true);
++  Klass* refKlassNewest = ref_klass;
++  Klass* baseKlassNewest = base_klass;
++  if (AllowEnhancedClassRedefinition) {
++    refKlassNewest = ref_klass->newest_version();
++    baseKlassNewest = base_klass->newest_version();
++  }
++  Reflection::VerifyClassAccessResults vca_result = Reflection::verify_class_access(refKlassNewest, InstanceKlass::cast(baseKlassNewest), true);
+   if (vca_result != Reflection::ACCESS_OK) {
+     ResourceMark rm(THREAD);
+     char* msg = Reflection::verify_class_access_msg(ref_klass,
+@@ -572,7 +577,8 @@ void LinkResolver::check_method_accessability(Klass* ref_klass,
+   // We'll check for the method name first, as that's most likely
+   // to be false (so we'll short-circuit out of these tests).
+   if (sel_method->name() == vmSymbols::clone_name() &&
+-      sel_klass->newest_version() == SystemDictionary::Object_klass()->newest_version() &&
++      ( !AllowEnhancedClassRedefinition && sel_klass == SystemDictionary::Object_klass() ||
++      AllowEnhancedClassRedefinition && sel_klass->newest_version() == SystemDictionary::Object_klass()->newest_version()) &&
+       resolved_klass->is_array_klass()) {
+     // We need to change "protected" to "public".
+     assert(flags.is_protected(), "clone not protected?");
+@@ -997,7 +1003,7 @@ void LinkResolver::resolve_field(fieldDescriptor& fd,
+       ResourceMark rm(THREAD);
+       stringStream ss;
+ 
+-      if (sel_klass != current_klass && sel_klass != current_klass->active_version()) {
++      if (sel_klass != current_klass && (!AllowEnhancedClassRedefinition || sel_klass != current_klass->active_version())) {
+         ss.print("Update to %s final field %s.%s attempted from a different class (%s) than the field's declaring class",
+                  is_static ? "static" : "non-static", resolved_klass->external_name(), fd.name()->as_C_string(),
+                 current_klass->external_name());
+diff --git a/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp b/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
+index 84891b48c2a..6f19e2939a2 100644
+--- a/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
++++ b/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
+@@ -1467,7 +1467,7 @@ static InstanceKlass* create_new_instance_klass(InstanceKlass* ik, ClassFileStre
+                              NULL, // host klass
+                              NULL, // cp_patches
+                              ClassFileParser::INTERNAL, // internal visibility
+-							 false,
++                             false,
+                              THREAD);
+   if (HAS_PENDING_EXCEPTION) {
+     log_pending_exception(PENDING_EXCEPTION);
+diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
+index 7eb1b01c785..710e0ddc930 100644
+--- a/src/hotspot/share/oops/instanceKlass.cpp
++++ b/src/hotspot/share/oops/instanceKlass.cpp
+@@ -178,7 +178,9 @@ bool InstanceKlass::has_nest_member(InstanceKlass* k, TRAPS) const {
+       }
+ 
+       Klass* k2 = _constants->klass_at(cp_index, CHECK_false);
+-      k2 = k2->newest_version();
++      if (AllowEnhancedClassRedefinition) {
++        k2 = k2->newest_version();
++      }
+       if (k2 == k) {
+         log_trace(class, nestmates)("- class is listed as a nest member");
+         return true;
+@@ -837,7 +839,7 @@ bool InstanceKlass::link_class_impl(bool throw_verifyerror, TRAPS) {
+ #endif
+       set_init_state(linked);
+       // (DCEVM) Must check for old version in order to prevent infinite loops.
+-      if (JvmtiExport::should_post_class_prepare() && old_version() == NULL /* JVMTI deadlock otherwise */) {
++      if (JvmtiExport::should_post_class_prepare() && (!AllowEnhancedClassRedefinition || old_version() == NULL) /* JVMTI deadlock otherwise */) {
+         Thread *thread = THREAD;
+         assert(thread->is_Java_thread(), "thread->is_Java_thread()");
+         JvmtiExport::post_class_prepare((JavaThread *) thread, this);
+@@ -919,7 +921,7 @@ void InstanceKlass::initialize_impl(TRAPS) {
+     // that aren't expected to throw.  This would wreak havoc.  See 6320309.
+     // (DCEVM) Wait also for the old class version to be fully initialized.
+     while((is_being_initialized() && !is_reentrant_initialization(self))
+-        || (old_version() != NULL && InstanceKlass::cast(old_version())->is_being_initialized())) {
++        || (AllowEnhancedClassRedefinition && old_version() != NULL && InstanceKlass::cast(old_version())->is_being_initialized())) {
+         wait = true;
+       ol.waitUninterruptibly(CHECK);
+     }
+@@ -3617,7 +3619,7 @@ void InstanceKlass::verify_on(outputStream* st) {
+ 
+     guarantee(sib->is_klass(), "should be klass");
+     // TODO: (DCEVM) explain
+-    guarantee(sib->super() == super || super->newest_version() == SystemDictionary::Object_klass(), "siblings should have same superklass");
++    guarantee(sib->super() == super || AllowEnhancedClassRedefinition && super->newest_version() == SystemDictionary::Object_klass(), "siblings should have same superklass");
+   }
+ 
+   // Verify implementor fields requires the Compile_lock, but this is sometimes
+diff --git a/src/hotspot/share/oops/method.cpp b/src/hotspot/share/oops/method.cpp
+index a9556ecf0c4..6c7edaca67e 100644
+--- a/src/hotspot/share/oops/method.cpp
++++ b/src/hotspot/share/oops/method.cpp
+@@ -2100,7 +2100,7 @@ void Method::ensure_jmethod_ids(ClassLoaderData* loader_data, int capacity) {
+ // Add a method id to the jmethod_ids
+ jmethodID Method::make_jmethod_id(ClassLoaderData* loader_data, Method* m) {
+   // FIXME: (DCEVM) ???
+-  if (m != m->newest_version()) {
++  if (AllowEnhancedClassRedefinition && m != m->newest_version()) {
+     m = m->newest_version();
+   }
+   ClassLoaderData* cld = loader_data;
+diff --git a/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp b/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
+index 60604c645ff..325bffb7ad0 100644
+--- a/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
+@@ -51,7 +51,7 @@ public:
+     //         the new version (SystemDictionary stores only new versions). But the LoadedClassesClosure's functionality was
+     //         changed in java8  where jvmtiLoadedClasses collects all classes from all classloaders, therefore we
+     //         must use new versions only.
+-    if (k->new_version()==NULL) {
++    if (AllowEnhancedClassRedefinition && k->new_version()==NULL) {
+       _classStack.push((jclass) _env->jni_reference(Handle(_cur_thread, k->java_mirror())));
+     }
+   }
+diff --git a/src/hotspot/share/runtime/reflection.cpp b/src/hotspot/share/runtime/reflection.cpp
+index ed789b0bc2b..06f60855655 100644
+--- a/src/hotspot/share/runtime/reflection.cpp
++++ b/src/hotspot/share/runtime/reflection.cpp
+@@ -660,7 +660,7 @@ bool Reflection::verify_member_access(const Klass* current_class,
+                                       TRAPS) {
+ 
+   // (DCEVM) Decide accessibility based on active version
+-  if (current_class != NULL) {
++  if (AllowEnhancedClassRedefinition && current_class != NULL) {
+     current_class = current_class->active_version();
+   }
+ 
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0017-Fix-metadataOnStack-bug.patch

@@ -0,0 +1,160 @@
+From a022248d12e37084c8f8987a44d567ba0e02fb6d Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Fri, 23 Oct 2020 11:07:40 +0200
+Subject: [PATCH 17/18] Fix metadataOnStack bug
+
+---
+ .../share/classfile/classLoaderData.cpp       |  7 +-
+ .../share/classfile/metadataOnStackMark.cpp   | 67 ++++++++++---------
+ .../share/classfile/metadataOnStackMark.hpp   |  3 +-
+ .../share/prims/jvmtiRedefineClasses.cpp      |  2 +-
+ 4 files changed, 41 insertions(+), 38 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/classLoaderData.cpp b/src/hotspot/share/classfile/classLoaderData.cpp
+index 1bc67adf5a7..bba5ce0511f 100644
+--- a/src/hotspot/share/classfile/classLoaderData.cpp
++++ b/src/hotspot/share/classfile/classLoaderData.cpp
+@@ -1398,13 +1398,10 @@ bool ClassLoaderDataGraph::do_unloading(bool clean_previous_versions) {
+   // Klassesoto delete.
+ 
+   // FIXME: dcevm - block asserts in MetadataOnStackMark
+-  bool walk_all_metadata = false;
+-  if (!AllowEnhancedClassRedefinition) {
+-    walk_all_metadata = clean_previous_versions &&
++  bool walk_all_metadata = clean_previous_versions &&
+                              JvmtiExport::has_redefined_a_class() &&
+                              InstanceKlass::has_previous_versions_and_reset();
+-    MetadataOnStackMark md_on_stack(walk_all_metadata);
+-  }
++  MetadataOnStackMark md_on_stack(walk_all_metadata, AllowEnhancedClassRedefinition);
+ 
+   // Save previous _unloading pointer for CMS which may add to unloading list before
+   // purging and we don't want to rewalk the previously unloaded class loader data.
+diff --git a/src/hotspot/share/classfile/metadataOnStackMark.cpp b/src/hotspot/share/classfile/metadataOnStackMark.cpp
+index 3a62c789702..9d7bdbde74b 100644
+--- a/src/hotspot/share/classfile/metadataOnStackMark.cpp
++++ b/src/hotspot/share/classfile/metadataOnStackMark.cpp
+@@ -46,23 +46,25 @@ NOT_PRODUCT(bool MetadataOnStackMark::_is_active = false;)
+ // it.  Class unloading only deletes in-error class files, methods created by
+ // the relocator and dummy constant pools.  None of these appear anywhere except
+ // in metadata Handles.
+-MetadataOnStackMark::MetadataOnStackMark(bool redefinition_walk) {
++MetadataOnStackMark::MetadataOnStackMark(bool redefinition_walk, bool ignore) : _ignore(ignore) {
+   assert(SafepointSynchronize::is_at_safepoint(), "sanity check");
+   assert(_used_buffers == NULL, "sanity check");
+   assert(!_is_active, "MetadataOnStackMarks do not nest");
+   NOT_PRODUCT(_is_active = true;)
+ 
+-  Threads::metadata_handles_do(Metadata::mark_on_stack);
++  if (!ignore) {
++    Threads::metadata_handles_do(Metadata::mark_on_stack);
+ 
+-  if (redefinition_walk) {
+-    Threads::metadata_do(Metadata::mark_on_stack);
+-    CodeCache::metadata_do(Metadata::mark_on_stack);
+-    CompileBroker::mark_on_stack();
+-    JvmtiCurrentBreakpoints::metadata_do(Metadata::mark_on_stack);
+-    ThreadService::metadata_do(Metadata::mark_on_stack);
++    if (redefinition_walk) {
++      Threads::metadata_do(Metadata::mark_on_stack);
++      CodeCache::metadata_do(Metadata::mark_on_stack);
++      CompileBroker::mark_on_stack();
++      JvmtiCurrentBreakpoints::metadata_do(Metadata::mark_on_stack);
++      ThreadService::metadata_do(Metadata::mark_on_stack);
+ #if INCLUDE_JVMCI
+-    JVMCIRuntime::metadata_do(Metadata::mark_on_stack);
++      JVMCIRuntime::metadata_do(Metadata::mark_on_stack);
+ #endif
++    }
+   }
+ }
+ 
+@@ -71,32 +73,35 @@ MetadataOnStackMark::~MetadataOnStackMark() {
+   // Unmark everything that was marked.   Can't do the same walk because
+   // redefine classes messes up the code cache so the set of methods
+   // might not be the same.
+-  retire_current_buffer();
+-
+-  MetadataOnStackBuffer* buffer = _used_buffers;
+-  while (buffer != NULL) {
+-    // Clear on stack state for all metadata.
+-    size_t size = buffer->size();
+-    for (size_t i  = 0; i < size; i++) {
+-      Metadata* md = buffer->at(i);
+-      md->set_on_stack(false);
++  if (!_ignore)
++  {
++    retire_current_buffer();
++
++    MetadataOnStackBuffer* buffer = _used_buffers;
++    while (buffer != NULL) {
++      // Clear on stack state for all metadata.
++      size_t size = buffer->size();
++      for (size_t i  = 0; i < size; i++) {
++        Metadata* md = buffer->at(i);
++        md->set_on_stack(false);
++      }
++
++      MetadataOnStackBuffer* next = buffer->next_used();
++
++      // Move the buffer to the free list.
++      buffer->clear();
++      buffer->set_next_used(NULL);
++      buffer->set_next_free(_free_buffers);
++      _free_buffers = buffer;
++
++      // Step to next used buffer.
++      buffer = next;
+     }
+ 
+-    MetadataOnStackBuffer* next = buffer->next_used();
+-
+-    // Move the buffer to the free list.
+-    buffer->clear();
+-    buffer->set_next_used(NULL);
+-    buffer->set_next_free(_free_buffers);
+-    _free_buffers = buffer;
++    _used_buffers = NULL;
+ 
+-    // Step to next used buffer.
+-    buffer = next;
++    NOT_PRODUCT(_is_active = false;)
+   }
+-
+-  _used_buffers = NULL;
+-
+-  NOT_PRODUCT(_is_active = false;)
+ }
+ 
+ void MetadataOnStackMark::retire_buffer(MetadataOnStackBuffer* buffer) {
+diff --git a/src/hotspot/share/classfile/metadataOnStackMark.hpp b/src/hotspot/share/classfile/metadataOnStackMark.hpp
+index 8da4ac6f92b..6d327ab98f2 100644
+--- a/src/hotspot/share/classfile/metadataOnStackMark.hpp
++++ b/src/hotspot/share/classfile/metadataOnStackMark.hpp
+@@ -47,8 +47,9 @@ class MetadataOnStackMark : public StackObj {
+   static MetadataOnStackBuffer* allocate_buffer();
+   static void retire_buffer(MetadataOnStackBuffer* buffer);
+ 
++  bool _ignore;
+  public:
+-  MetadataOnStackMark(bool redefinition_walk);
++  MetadataOnStackMark(bool redefinition_walk, bool ignore);
+    ~MetadataOnStackMark();
+ 
+   static void record(Metadata* m);
+diff --git a/src/hotspot/share/prims/jvmtiRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
+index fb81189d9c2..18bc7f4eea4 100644
+--- a/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
+@@ -199,7 +199,7 @@ void VM_RedefineClasses::doit() {
+ 
+   // Mark methods seen on stack and everywhere else so old methods are not
+   // cleaned up if they're on the stack.
+-  MetadataOnStackMark md_on_stack(true);
++  MetadataOnStackMark md_on_stack(true, false);
+   HandleMark hm(thread);   // make sure any handles created are deleted
+                            // before the stack walk again.
+ 
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0018-Fix-LoadedClassesClosure-fixes-problems-with-remote-.patch

@@ -0,0 +1,26 @@
+From 46795cd6c086e2008b270f89971bb07ad34ac355 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Wed, 11 Nov 2020 18:45:15 +0100
+Subject: [PATCH 18/18] Fix LoadedClassesClosure - fixes problems with remote
+ debugging
+
+---
+ src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp b/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
+index 325bffb7ad0..30752e37f1c 100644
+--- a/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
+@@ -51,7 +51,7 @@ public:
+     //         the new version (SystemDictionary stores only new versions). But the LoadedClassesClosure's functionality was
+     //         changed in java8  where jvmtiLoadedClasses collects all classes from all classloaders, therefore we
+     //         must use new versions only.
+-    if (AllowEnhancedClassRedefinition && k->new_version()==NULL) {
++    if (!AllowEnhancedClassRedefinition || k->new_version()==NULL) {
+       _classStack.push((jclass) _env->jni_reference(Handle(_cur_thread, k->java_mirror())));
+     }
+   }
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0019-Disable-AllowEnhancedClassRedefinition-in-flight-rec.patch

@@ -0,0 +1,31 @@
+From 62fc66fa74886bd8bb15cd3e2084175f7ad5d0c7 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
+Date: Fri, 5 Feb 2021 23:30:49 +0100
+Subject: [PATCH 19/19] Disable AllowEnhancedClassRedefinition in flight
+ recorder
+
+---
+ src/hotspot/share/runtime/arguments.cpp | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/src/hotspot/share/runtime/arguments.cpp b/src/hotspot/share/runtime/arguments.cpp
+index 5053ad7ee61..c5635bb8537 100644
+--- a/src/hotspot/share/runtime/arguments.cpp
++++ b/src/hotspot/share/runtime/arguments.cpp
+@@ -3962,6 +3962,13 @@ jint Arguments::parse(const JavaVMInitArgs* initial_cmd_args) {
+   // Set object alignment values.
+   set_object_alignment();
+ 
++  if (FlightRecorder) {
++    if (AllowEnhancedClassRedefinition) {
++      warning("EnhancedClassRedefinition was disabled, it is not allowed in FlightRecorder.");
++      AllowEnhancedClassRedefinition = false;
++    }
++  }
++
+   setup_hotswap_agent();
+ 
+ #if !INCLUDE_CDS
+-- 
+2.23.0
+

jb/project/tools/windows/scripts/mkimages_x64.sh

@@ -6,8 +6,6 @@
 #   build_number     - specifies the number of JetBrainsRuntime build
 #   bundle_type      - specifies bundle to be built; possible values:
 #                        jcef - the release bundles with jcef
-#                        jfx - the release bundles with javafx
-#                        jcef_jfx - the release bundles with jcef and javafx
 #                        dcevm - the release bundles with dcevm patches
 #                        nomod - the release bundles without any additional modules (jcef)
 #                        fd - the fastdebug bundles which also include the jcef module
@@ -43,12 +41,9 @@ function create_jbr {
   JBR_BUNDLE=jbr_${bundle_type}
 
   case "${bundle_type}" in
-  "jfx" | "jcef" | "dcevm" | "nomod" | "fd")
+  "jcef" | "dcevm" | "nomod" | "fd")
     JBR_BASE_NAME=jbr_${bundle_type}-${JBSDK_VERSION}
     ;;
-  "jfx_jcef")
-    JBR_BASE_NAME=jbr-${JBSDK_VERSION}
-    ;;
   *)
     echo "***ERR*** bundle was not specified" && do_exit 1
     ;;
@@ -73,19 +68,10 @@ WITH_DEBUG_LEVEL="--with-debug-level=release"
 RELEASE_NAME=windows-x86_64-normal-server-release
 JBSDK=${JBRSDK_BASE_NAME}-windows-x64-b${build_number}
 case "$bundle_type" in
-  "jfx")
-    git apply -p0 < jb/project/tools/patches/add_jfx_module.patch || do_exit $?
-    do_reset_changes=1
-    ;;
   "jcef")
     git apply -p0 < jb/project/tools/patches/add_jcef_module.patch || do_exit $?
     do_reset_changes=1
     ;;
-  "jfx_jcef")
-    git apply -p0 < jb/project/tools/patches/add_jfx_module.patch || do_exit $?
-    git apply -p0 < jb/project/tools/patches/add_jcef_module.patch || do_exit $?
-    do_reset_changes=1
-    ;;
   "dcevm")
     HEAD_REVISION=$(git rev-parse HEAD)
     git am jb/project/tools/patches/dcevm/*.patch || do_exit $?
@@ -114,6 +100,7 @@ sh ./configure \
   $WITH_DEBUG_LEVEL \
   --with-vendor-name="${VENDOR_NAME}" \
   --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+  --with-jvm-features=shenandoahgc \
   --with-version-pre= \
   --with-version-build=${JDK_BUILD_NUMBER} \
   --with-version-opt=b${build_number} \

jb/project/tools/windows/scripts/mkimages_x86.sh

@@ -6,7 +6,6 @@
 #   build_number     - specifies the number of JetBrainsRuntime build
 #   bundle_type      - specifies bundle to bu built; possible values:
 #                        jcef - the bundles 1) jbr with jcef+javafx, 2) jbrsdk and 3) test will be created
-#                        jfx  - the bundle 1) jbr with javafx only will be created
 #
 # jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
 # jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
@@ -35,6 +34,7 @@ PATH="/usr/local/bin:/usr/bin:${PATH}"
   --with-target-bits=32 \
   --with-vendor-name="${VENDOR_NAME}" \
   --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+  --with-jvm-features=shenandoahgc \
   --with-version-pre= \
   --with-version-build=${JDK_BUILD_NUMBER} \
   --with-version-opt=b${build_number} \

jb/project/tools/windows/scripts/pack_x64.sh

@@ -6,8 +6,6 @@
 #   build_number     - specifies the number of JetBrainsRuntime build
 #   bundle_type      - specifies bundle to be built; possible values:
 #                        jcef - the release bundles with jcef
-#                        jfx - the release bundles with javafx
-#                        jcef_jfx - the release bundles with jcef and javafx
 #                        dcevm - the release bundles with dcevm patches
 #                        nomod - the release bundles without any additional modules (jcef)
 #                        fd - the fastdebug bundles which also include the jcef module
@@ -38,12 +36,9 @@ function pack_jbr {
   JBR_BUNDLE=jbr_${bundle_type}
 
   case "${bundle_type}" in
-  "jfx" | "jcef" | "dcevm" | "nomod" | "fd")
+  "jcef" | "dcevm" | "nomod" | "fd")
     JBR_BASE_NAME=jbr_${bundle_type}-${JBSDK_VERSION}
     ;;
-  "jfx_jcef")
-    JBR_BASE_NAME=jbr-${JBSDK_VERSION}
-    ;;
   *)
     echo "***ERR*** bundle was not specified" && do_exit 1
     ;;

jb/project/tools/windows/scripts/pack_x86.sh

@@ -6,7 +6,6 @@
 #   build_number     - specifies the number of JetBrainsRuntime build
 #   bundle_type      - specifies bundle to bu built; possible values:
 #                        jcef - the bundles 1) jbr with jcef+javafx, 2) jbrsdk and 3) test will be created
-#                        jfx  - the bundle 1) jbr with javafx only will be created
 #
 # jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
 # jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz

make/CompileJavaModules.gmk

@@ -321,7 +321,7 @@ jdk.jshell_COPY += .jsh .properties
 
 ################################################################################
 
-jdk.internal.le_COPY += .properties
+jdk.internal.le_COPY += .properties .caps .txt
 
 ################################################################################
 

make/CompileToolsJdk.gmk

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -39,7 +39,6 @@ $(eval $(call IncludeCustomExtension, CompileTools.gmk))
 # Use += to be able to add to this from a custom extension
 BUILD_TOOLS_SRC_DIRS += \
     $(TOPDIR)/make/jdk/src/classes \
-    $(BUILDTOOLS_OUTPUTDIR)/interim_cldrconverter_classes \
     $(BUILDTOOLS_OUTPUTDIR)/interim_tzdb_classes \
     #
 
@@ -56,6 +55,7 @@ $(eval $(call SetupJavaCompilation,BUILD_TOOLS_JDK, \
     ADD_JAVAC_FLAGS := \
         --add-exports java.desktop/sun.awt=ALL-UNNAMED \
         --add-exports java.base/sun.text=ALL-UNNAMED \
+        --add-exports java.base/sun.security.util=ALL-UNNAMED \
         , \
 ))
 

make/Docs.gmk

@@ -168,14 +168,6 @@ JAVADOC_TOP := \
     font-family: DejaVu Sans, Arial, Helvetica, sans-serif; \
     font-weight: normal;">$(DRAFT_TEXT)</div>
 
-JDK_INDEX_CONTENT := \
-    <!DOCTYPE html> \
-    <html lang="en"> \
-    <head> \
-    <meta http-equiv="refresh" content="0;url=api/index.html"> \
-    </head> \
-    </html>
-
 ################################################################################
 # JDK javadoc titles/text snippets
 
@@ -485,14 +477,7 @@ $(eval $(call SetupApiDocsGeneration, REFERENCE_API, \
 
 ################################################################################
 
-JDK_INDEX_HTML := $(DOCS_OUTPUTDIR)/index.html
-
-$(JDK_INDEX_HTML):
-	$(ECHO) '$(JDK_INDEX_CONTENT)' > $@
-
-JDK_INDEX_TARGETS += $(JDK_INDEX_HTML)
-
-# Copy the global resources
+# Copy the global resources, including the top-level redirect index.html
 GLOBAL_SPECS_RESOURCES_DIR := $(TOPDIR)/make/data/docs-resources/
 $(eval $(call SetupCopyFiles, COPY_GLOBAL_RESOURCES, \
     SRC := $(GLOBAL_SPECS_RESOURCES_DIR), \

make/Main.gmk

@@ -1,4 +1,4 @@
-#
+
 # Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
@@ -78,13 +78,9 @@ ifneq ($(CREATING_BUILDJDK), true)
   interim-rmic:
 	+($(CD) $(TOPDIR)/make && $(MAKE) $(MAKE_ARGS) -f CompileInterimRmic.gmk)
 
-  interim-cldrconverter:
-	+($(CD) $(TOPDIR)/make && $(MAKE) $(MAKE_ARGS) -f CopyInterimCLDRConverter.gmk)
-
-interim-tzdb:
+  interim-tzdb:
 	+($(CD) $(TOPDIR)/make && $(MAKE) $(MAKE_ARGS) -f CopyInterimTZDB.gmk)
 
-
   buildtools-jdk:
 	+($(CD) $(TOPDIR)/make && $(MAKE) $(MAKE_ARGS) -f CompileToolsJdk.gmk)
 
@@ -96,7 +92,7 @@ interim-tzdb:
 endif
 
 ALL_TARGETS += buildtools-langtools interim-langtools \
-    interim-rmic interim-cldrconverter interim-tzdb buildtools-jdk buildtools-modules \
+    interim-rmic interim-tzdb buildtools-jdk buildtools-modules \
     buildtools-hotspot
 
 ################################################################################
@@ -233,7 +229,7 @@ $(eval $(call DeclareRecipesForPhase, STATIC_LIBS, \
     TARGET_SUFFIX := static-libs, \
     FILE_PREFIX := Lib, \
     MAKE_SUBDIR := lib, \
-    CHECK_MODULES := $(STATIC_LIBS_MODULES), \
+    CHECK_MODULES := $(ALL_MODULES), \
     USE_WRAPPER := true, \
     EXTRA_ARGS := STATIC_LIBS=true, \
 ))
@@ -689,7 +685,7 @@ else
 
   interim-langtools: $(INTERIM_LANGTOOLS_GENSRC_TARGETS)
 
-  buildtools-jdk: interim-langtools interim-cldrconverter interim-tzdb
+  buildtools-jdk: interim-langtools interim-tzdb
 
   buildtools-hotspot: interim-langtools
 
@@ -721,10 +717,14 @@ else
 
   # If not already set, set the JVM variant target so that the JVM will be built.
   JVM_MAIN_LIB_TARGETS ?= hotspot-$(JVM_VARIANT_MAIN)-libs
+  JVM_MAIN_GENSRC_TARGETS ?= hotspot-$(JVM_VARIANT_MAIN)-gensrc
 
   # Building one JVM variant is enough to start building the other libs
   $(LIBS_TARGETS): $(JVM_MAIN_LIB_TARGETS)
 
+  # Static libs depend on hotspot gensrc
+  $(STATIC_LIBS_TARGETS): $(JVM_MAIN_GENSRC_TARGETS)
+
   $(LAUNCHER_TARGETS): java.base-libs
 
   ifeq ($(STATIC_BUILD), true)

make/RunTests.gmk

@@ -658,10 +658,14 @@ define SetupRunJtregTestBody
     $1_JTREG_LAUNCHER_OPTIONS += -Xmx$$($1_JTREG_MAX_MEM)
   endif
 
+  # Make sure the tmp dir is normalized as some tests will react badly otherwise
+  $1_TEST_TMP_DIR := $$(abspath $$($1_TEST_SUPPORT_DIR)/tmp)
+
   $1_JTREG_BASIC_OPTIONS += -$$($1_JTREG_TEST_MODE) \
       -verbose:$$(JTREG_VERBOSE) -retain:$$(JTREG_RETAIN) \
       -concurrency:$$($1_JTREG_JOBS) -timeoutFactor:$$(JTREG_TIMEOUT_FACTOR) \
-      -vmoption:-XX:MaxRAMPercentage=$$($1_JTREG_MAX_RAM_PERCENTAGE)
+      -vmoption:-XX:MaxRAMPercentage=$$($1_JTREG_MAX_RAM_PERCENTAGE) \
+      -vmoption:-Djava.io.tmpdir="$$($1_TEST_TMP_DIR)"
 
   $1_JTREG_BASIC_OPTIONS += -automatic -ignore:quiet
 
@@ -740,7 +744,8 @@ define SetupRunJtregTestBody
   run-test-$1: clean-workdir-$1 $$($1_AOT_TARGETS)
 	$$(call LogWarn)
 	$$(call LogWarn, Running test '$$($1_TEST)')
-	$$(call MakeDir, $$($1_TEST_RESULTS_DIR) $$($1_TEST_SUPPORT_DIR))
+	$$(call MakeDir, $$($1_TEST_RESULTS_DIR) $$($1_TEST_SUPPORT_DIR) \
+	    $$($1_TEST_TMP_DIR))
 	$$(call ExecuteWithLog, $$($1_TEST_SUPPORT_DIR)/jtreg, ( \
 	    $$(JAVA) $$($1_JTREG_LAUNCHER_OPTIONS) \
 	        -Dprogram=jtreg -jar $$(JT_HOME)/lib/jtreg.jar \

make/RunTestsPrebuilt.gmk

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -237,7 +237,8 @@ else ifeq ($(OPENJDK_TARGET_OS), solaris)
 else ifeq ($(OPENJDK_TARGET_OS), windows)
   NUM_CORES := $(NUMBER_OF_PROCESSORS)
   MEMORY_SIZE := $(shell \
-      $(EXPR) `wmic computersystem get totalphysicalmemory -value | $(GREP) = \
+      $(EXPR) `wmic computersystem get totalphysicalmemory -value \
+          | $(GREP) = | $(SED) 's/\\r//g' \
           | $(CUT) -d "=" -f 2-` / 1024 / 1024 \
   )
 endif

make/StaticLibsImage.gmk

@@ -32,11 +32,13 @@ include $(SPEC)
 include MakeBase.gmk
 include Modules.gmk
 
+ALL_MODULES = $(call FindAllModules)
+
 ################################################################################
 
 TARGETS :=
 
-$(foreach m, $(STATIC_LIBS_MODULES), \
+$(foreach m, $(ALL_MODULES), \
   $(eval $(call SetupCopyFiles, COPY_STATIC_LIBS_$m, \
       FLATTEN := true, \
       SRC := $(SUPPORT_OUTPUTDIR)/native/$m, \

make/ToolsJdk.gmk

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -74,6 +74,7 @@ TOOL_TZDB = $(JAVA_SMALL) -cp $(BUILDTOOLS_OUTPUTDIR)/jdk_tools_classes \
     build.tools.tzdb.TzdbZoneRulesCompiler
 
 TOOL_BLACKLISTED_CERTS = $(JAVA_SMALL) -cp $(BUILDTOOLS_OUTPUTDIR)/jdk_tools_classes \
+    --add-exports java.base/sun.security.util=ALL-UNNAMED \
     build.tools.blacklistedcertsconverter.BlacklistedCertsConverter
 
 TOOL_MAKEJAVASECURITY = $(JAVA_SMALL) -cp $(BUILDTOOLS_OUTPUTDIR)/jdk_tools_classes \

make/autoconf/basics.m4

@@ -641,17 +641,18 @@ AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
   AC_MSG_RESULT([$TOPDIR])
   AC_SUBST(TOPDIR)
 
+  # We can only call BASIC_FIXUP_PATH after BASIC_CHECK_PATHS_WINDOWS.
+  BASIC_FIXUP_PATH(CURDIR)
+  BASIC_FIXUP_PATH(TOPDIR)
+
   if test "x$CUSTOM_ROOT" != x; then
+    BASIC_FIXUP_PATH(CUSTOM_ROOT)
     WORKSPACE_ROOT="${CUSTOM_ROOT}"
   else
     WORKSPACE_ROOT="${TOPDIR}"
   fi
   AC_SUBST(WORKSPACE_ROOT)
 
-  # We can only call BASIC_FIXUP_PATH after BASIC_CHECK_PATHS_WINDOWS.
-  BASIC_FIXUP_PATH(CURDIR)
-  BASIC_FIXUP_PATH(TOPDIR)
-
   # Locate the directory of this script.
   AUTOCONF_DIR=$TOPDIR/make/autoconf
 
@@ -671,6 +672,16 @@ AC_DEFUN([BASIC_EVAL_DEVKIT_VARIABLE],
   fi
 ])
 
+###############################################################################
+# Evaluates platform specific overrides for build devkit variables.
+# $1: Name of variable
+AC_DEFUN([BASIC_EVAL_BUILD_DEVKIT_VARIABLE],
+[
+  if test "x[$]$1" = x; then
+    eval $1="\${$1_${OPENJDK_BUILD_CPU}}"
+  fi
+])
+
 ###############################################################################
 AC_DEFUN_ONCE([BASIC_SETUP_DEVKIT],
 [

make/autoconf/basics_windows.m4

@@ -112,7 +112,6 @@ AC_DEFUN([BASIC_FIXUP_PATH_CYGWIN],
   # unix format.
   path="[$]$1"
   new_path=`$CYGPATH -u "$path"`
-
   # Cygwin tries to hide some aspects of the Windows file system, such that binaries are
   # named .exe but called without that suffix. Therefore, "foo" and "foo.exe" are considered
   # the same file, most of the time (as in "test -f"). But not when running cygpath -s, then
@@ -402,8 +401,19 @@ AC_DEFUN_ONCE([BASIC_COMPILE_FIXPATH],
     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH([FIXPATH_BIN_W])
     $RM -rf $FIXPATH_BIN $FIXPATH_DIR
     $MKDIR -p $FIXPATH_DIR $CONFIGURESUPPORT_OUTPUTDIR/bin
+    # simple cross compilation solution for fixpath for aarch64
+    # Final solution should be backport of 8257679
+    if test "x$COMPILE_TYPE-$OPENJDK_TARGET_CPU" = xcross-aarch64; then
+      FIXPATH_CC=`$ECHO "$CC"|$SED 's|/arm64/cl|/x64/cl|'`
+      FIXPATH_LIB=`$ECHO "$LIB"|$SED 's|arm64|x64|gI'`
+    else
+      FIXPATH_CC=$CC
+      FIXPATH_LIB=$LIB
+    fi
+    OLDLIB=$LIB
+    export LIB="$FIXPATH_LIB"
     cd $FIXPATH_DIR
-    $CC $FIXPATH_SRC_W -Fe$FIXPATH_BIN_W > $FIXPATH_DIR/fixpath1.log 2>&1
+    $FIXPATH_CC $FIXPATH_SRC_W -Fe$FIXPATH_BIN_W > $FIXPATH_DIR/fixpath1.log 2>&1
     cd $CURDIR
 
     if test ! -x $FIXPATH_BIN; then
@@ -414,9 +424,10 @@ AC_DEFUN_ONCE([BASIC_COMPILE_FIXPATH],
     AC_MSG_RESULT([yes])
     AC_MSG_CHECKING([if fixpath.exe works])
     cd $FIXPATH_DIR
-    $FIXPATH $CC $FIXPATH_SRC -Fe$FIXPATH_DIR/fixpath2.exe \
+    $FIXPATH $FIXPATH_CC $FIXPATH_SRC -Fe$FIXPATH_DIR/fixpath2.exe \
         > $FIXPATH_DIR/fixpath2.log 2>&1
     cd $CURDIR
+    export LIB="$OLDLIB"
     if test ! -x $FIXPATH_DIR/fixpath2.exe; then
       AC_MSG_RESULT([no])
       cat $FIXPATH_DIR/fixpath2.log

make/autoconf/buildjdk-spec.gmk.in

@@ -30,13 +30,13 @@
 # First include the real base spec.gmk file
 include @SPEC@
 
-CC := @BUILD_CC@
-CXX := @BUILD_CXX@
-LD := @BUILD_LD@
-LDCXX := @BUILD_LDCXX@
-AS := @BUILD_AS@
+CC := @FIXPATH@ @BUILD_CC@
+CXX := @FIXPATH@ @BUILD_CXX@
+LD := @FIXPATH@ @BUILD_LD@
+LDCXX := @FIXPATH@ @BUILD_LDCXX@
+AS := @FIXPATH@ @BUILD_AS@
 NM := @BUILD_NM@
-AR := @BUILD_AR@
+AR := @FIXPATH@ @BUILD_AR@
 OBJCOPY := @BUILD_OBJCOPY@
 STRIP := @BUILD_STRIP@
 SYSROOT_CFLAGS := @BUILD_SYSROOT_CFLAGS@

make/autoconf/flags-cflags.m4

@@ -169,19 +169,7 @@ AC_DEFUN([FLAGS_SETUP_WARNINGS],
     gcc)
       DISABLE_WARNING_PREFIX="-Wno-"
       CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
-      # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset
-      # CFLAGS since any target specific flags will likely not work with the
-      # build compiler
-      CC_OLD="$CC"
-      CXX_OLD="$CXX"
-      CC="$BUILD_CC"
-      CXX="$BUILD_CXX"
-      CFLAGS_OLD="$CFLAGS"
-      CFLAGS=""
       BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-"
-      CC="$CC_OLD"
-      CXX="$CXX_OLD"
-      CFLAGS="$CFLAGS_OLD"
       ;;
     clang)
       DISABLE_WARNING_PREFIX="-Wno-"
@@ -376,6 +364,17 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS],
 
   FLAGS_SETUP_CFLAGS_CPU_DEP([TARGET])
 
+  # Repeat the check for the BUILD_CC and BUILD_CXX. Need to also reset CFLAGS
+  # since any target specific flags will likely not work with the build compiler.
+  CC_OLD="$CC"
+  CXX_OLD="$CXX"
+  CFLAGS_OLD="$CFLAGS"
+  CXXFLAGS_OLD="$CXXFLAGS"
+  CC="$BUILD_CC"
+  CXX="$BUILD_CXX"
+  CFLAGS=""
+  CXXFLAGS=""
+
   FLAGS_OS=$OPENJDK_BUILD_OS
   FLAGS_OS_TYPE=$OPENJDK_BUILD_OS_TYPE
   FLAGS_CPU=$OPENJDK_BUILD_CPU
@@ -387,6 +386,11 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS],
 
   FLAGS_SETUP_CFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_], [BUILD_])
 
+  CC="$CC_OLD"
+  CXX="$CXX_OLD"
+  CFLAGS="$CFLAGS_OLD"
+  CXXFLAGS="$CXXFLAGS_OLD"
+
   # Tests are only ever compiled for TARGET
   CFLAGS_TESTLIB="$CFLAGS_JDKLIB"
   CXXFLAGS_TESTLIB="$CXXFLAGS_JDKLIB"
@@ -701,7 +705,9 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
       $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -DcpuIntel -Di586 -D$FLAGS_CPU_LEGACY_LIB"
     fi
   elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    if test "x$FLAGS_CPU" = xx86_64; then
+    if test "x$FLAGS_CPU" = xaarch64; then
+      $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -D_ARM64_ -Darm64"
+    elif test "x$FLAGS_CPU" = xx86_64; then
       $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -D_AMD64_ -Damd64"
     else
       $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -D_X86_ -Dx86"
@@ -711,9 +717,21 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
   # CFLAGS PER CPU
   if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
     # COMMON to gcc and clang
+    AC_MSG_CHECKING([if $1 is x86])
     if test "x$FLAGS_CPU" = xx86; then
-      # Force compatibility with i586 on 32 bit intel platforms.
-      $1_CFLAGS_CPU="-march=i586"
+      AC_MSG_RESULT([yes])
+      AC_MSG_CHECKING([if control flow protection is enabled by additional compiler flags])
+      if echo "${EXTRA_CFLAGS}${EXTRA_CXXFLAGS}${EXTRA_ASFLAGS}" | ${GREP} -q 'fcf-protection' ; then
+        # cf-protection requires CMOV and thus i686
+        $1_CFLAGS_CPU="-march=i686"
+        AC_MSG_RESULT([yes, forcing ${$1_CFLAGS_CPU}])
+      else
+        # Force compatibility with i586 on 32 bit intel platforms.
+        $1_CFLAGS_CPU="-march=i586"
+        AC_MSG_RESULT([no, forcing ${$1_CFLAGS_CPU}])
+      fi
+    else
+      AC_MSG_RESULT([no])
     fi
   fi
 

make/autoconf/flags-ldflags.m4

@@ -77,7 +77,7 @@ AC_DEFUN([FLAGS_SETUP_LDFLAGS_HELPER],
     BASIC_LDFLAGS="$BASIC_LDFLAGS -Wl,-z,defs -Wl,-z,relro -Wl,-z,now"
     # s390x : remove unused code+data in link step
     if test "x$OPENJDK_TARGET_CPU" = xs390x; then
-      BASIC_LDFLAGS="$BASIC_LDFLAGS -Wl,--gc-sections -Wl,--print-gc-sections"
+      BASIC_LDFLAGS="$BASIC_LDFLAGS -Wl,--gc-sections"
     fi
 
     BASIC_LDFLAGS_JVM_ONLY="-Wl,-O1"
@@ -118,7 +118,7 @@ AC_DEFUN([FLAGS_SETUP_LDFLAGS_HELPER],
       # Assume clang or gcc.
       # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead.
       OS_LDFLAGS_JVM_ONLY="-Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.."
-      OS_LDFLAGS_JDK_ONLY="-mmacosx-version-min=$MACOSX_VERSION_MIN"
+      OS_LDFLAGS="-mmacosx-version-min=$MACOSX_VERSION_MIN"
     fi
   fi
 
@@ -188,20 +188,19 @@ AC_DEFUN([FLAGS_SETUP_LDFLAGS_CPU_DEP],
     fi
 
   elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    if test "x${OPENJDK_$1_CPU_BITS}" = "x32"; then
+      $1_CPU_EXECUTABLE_LDFLAGS="-stack:327680"
+    elif test "x${OPENJDK_$1_CPU_BITS}" = "x64"; then
+      $1_CPU_EXECUTABLE_LDFLAGS="-stack:1048576"
+    fi
     if test "x${OPENJDK_$1_CPU}" = "xx86"; then
       $1_CPU_LDFLAGS="-safeseh"
-      # NOTE: Old build added -machine. Probably not needed.
-      $1_CPU_LDFLAGS_JVM_ONLY="-machine:I386"
-      $1_CPU_EXECUTABLE_LDFLAGS="-stack:327680"
-    else
-      $1_CPU_LDFLAGS_JVM_ONLY="-machine:AMD64"
-      $1_CPU_EXECUTABLE_LDFLAGS="-stack:1048576"
     fi
   fi
 
   # JVM_VARIANT_PATH depends on if this is build or target...
   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    $1_LDFLAGS_JDK_LIBPATH="-libpath:${OUTPUTDIR}/support/modules_libs/java.base"
+    $1_LDFLAGS_JDK_LIBPATH="-libpath:\${SUPPORT_OUTPUTDIR}/modules_libs/java.base"
   else
     $1_LDFLAGS_JDK_LIBPATH="-L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base \
         -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/${$1_JVM_VARIANT_PATH}"
@@ -209,13 +208,13 @@ AC_DEFUN([FLAGS_SETUP_LDFLAGS_CPU_DEP],
 
   # Export variables according to old definitions, prefix with $2 if present.
   LDFLAGS_JDK_COMMON="$BASIC_LDFLAGS $BASIC_LDFLAGS_JDK_ONLY \
-      $OS_LDFLAGS_JDK_ONLY $DEBUGLEVEL_LDFLAGS_JDK_ONLY ${$2EXTRA_LDFLAGS}"
+      $OS_LDFLAGS $DEBUGLEVEL_LDFLAGS_JDK_ONLY ${$2EXTRA_LDFLAGS}"
   $2LDFLAGS_JDKLIB="$LDFLAGS_JDK_COMMON $BASIC_LDFLAGS_JDK_LIB_ONLY \
       ${$1_LDFLAGS_JDK_LIBPATH} $SHARED_LIBRARY_FLAGS"
   $2LDFLAGS_JDKEXE="$LDFLAGS_JDK_COMMON $EXECUTABLE_LDFLAGS \
       ${$1_CPU_EXECUTABLE_LDFLAGS}"
 
-  $2JVM_LDFLAGS="$BASIC_LDFLAGS $BASIC_LDFLAGS_JVM_ONLY $OS_LDFLAGS_JVM_ONLY \
+  $2JVM_LDFLAGS="$BASIC_LDFLAGS $BASIC_LDFLAGS_JVM_ONLY $OS_LDFLAGS $OS_LDFLAGS_JVM_ONLY \
       $DEBUGLEVEL_LDFLAGS $DEBUGLEVEL_LDFLAGS_JVM_ONLY $BASIC_LDFLAGS_ONLYCXX \
       ${$1_CPU_LDFLAGS} ${$1_CPU_LDFLAGS_JVM_ONLY} ${$2EXTRA_LDFLAGS}"
 

make/autoconf/flags.m4

@@ -224,10 +224,12 @@ AC_DEFUN([FLAGS_SETUP_SYSROOT_FLAGS],
     # We also need -iframework<path>/System/Library/Frameworks
     $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks"
     $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks"
-    # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework
-    # set this here so it doesn't have to be peppered throughout the forest
-    $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
-    $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
+    if test -d "[$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" ; then
+      # These always need to be set on macOS 10.X, or we can't find the frameworks embedded in JavaVM.framework
+      # set this here so it doesn't have to be peppered throughout the forest
+      $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
+      $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
+    fi
   fi
 
   AC_SUBST($1SYSROOT_CFLAGS)

make/autoconf/help.m4

@@ -99,6 +99,8 @@ apt_help() {
       PKGHANDLER_COMMAND="sudo apt-get install libfontconfig1-dev" ;;
     freetype)
       PKGHANDLER_COMMAND="sudo apt-get install libfreetype6-dev" ;;
+    harfbuzz)
+      PKGHANDLER_COMMAND="sudo apt-get install libharfbuzz-dev" ;;
     ffi)
       PKGHANDLER_COMMAND="sudo apt-get install libffi-dev" ;;
     x11)
@@ -124,6 +126,8 @@ yum_help() {
       PKGHANDLER_COMMAND="sudo yum install fontconfig-devel" ;;
     freetype)
       PKGHANDLER_COMMAND="sudo yum install freetype-devel" ;;
+    harfbuzz)
+      PKGHANDLER_COMMAND="sudo yum install harfbuzz-devel" ;;
     x11)
       PKGHANDLER_COMMAND="sudo yum install libXtst-devel libXt-devel libXrender-devel libXrandr-devel libXi-devel" ;;
     ccache)

make/autoconf/hotspot.m4

@@ -25,7 +25,7 @@
 
 # All valid JVM features, regardless of platform
 VALID_JVM_FEATURES="compiler1 compiler2 zero minimal dtrace jvmti jvmci \
-    graal vm-structs jni-check services management cmsgc epsilongc g1gc parallelgc serialgc zgc nmt cds \
+    graal vm-structs jni-check services management cmsgc epsilongc g1gc parallelgc serialgc shenandoahgc zgc nmt cds \
     static-build link-time-opt aot jfr"
 
 # Deprecated JVM features (these are ignored, but with a warning)
@@ -221,7 +221,7 @@ AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_AOT],
 
   if test "x$ENABLE_AOT" = "xtrue"; then
     # Only enable AOT on X64 platforms.
-    if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
+    if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || test "x$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU" = "xlinux-aarch64" ; then
       if test -e "${TOPDIR}/src/jdk.aot"; then
         if test -e "${TOPDIR}/src/jdk.internal.vm.compiler"; then
           ENABLE_AOT="true"
@@ -240,7 +240,7 @@ AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_AOT],
     else
       ENABLE_AOT="false"
       if test "x$enable_aot" = "xyes"; then
-        AC_MSG_ERROR([AOT is currently only supported on x86_64 and aarch64. Remove --enable-aot.])
+        AC_MSG_ERROR([AOT is currently only supported on x86_64 and linux-aarch64. Remove --enable-aot.])
       fi
     fi
   fi
@@ -274,6 +274,14 @@ AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_CDS],
     fi
   fi
 
+  # Disable CDS on macos-aarch64
+  if test "x$OPENJDK_TARGET_OS" = "xmacosx" && test "x$OPENJDK_TARGET_CPU" = "xaarch64"; then
+    ENABLE_CDS="false"
+    if test "x$enable_cds" = "xyes"; then
+      AC_MSG_ERROR([CDS is currently not supported on AIX. Remove --enable-cds.])
+    fi
+  fi
+
   AC_SUBST(ENABLE_CDS)
 ])
 
@@ -352,6 +360,24 @@ AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES],
     fi
   fi
 
+  # Only enable Shenandoah on supported arches, and only if requested
+  AC_MSG_CHECKING([if shenandoah can be built])
+  if HOTSPOT_CHECK_JVM_FEATURE(shenandoahgc); then
+    if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86" || test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
+      # Filter out Shenandoah from user requested features, as it's already in non-minimal set
+      if HOTSPOT_CHECK_JVM_VARIANT(minimal); then
+        BASIC_GET_NON_MATCHING_VALUES(JVM_FEATURES, $JVM_FEATURES, shenandoahgc)
+      fi
+      AC_MSG_RESULT([yes])
+    else
+      DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES shenandoahgc"
+      AC_MSG_RESULT([no, platform not supported])
+    fi
+  else
+      DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES shenandoahgc"
+      AC_MSG_RESULT([no, not enabled by default])
+  fi
+
   # Only enable ZGC on supported platforms
   AC_MSG_CHECKING([if zgc can be built])
   if test "x$OPENJDK_TARGET_OS" = "xlinux" && test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
@@ -363,7 +389,7 @@ AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES],
 
   # Disable unsupported GCs for Zero
   if HOTSPOT_CHECK_JVM_VARIANT(zero); then
-    DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES epsilongc g1gc zgc"
+    DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES epsilongc g1gc shenandoahgc zgc"
   fi
 
   # Turn on additional features based on other parts of configure
@@ -399,7 +425,8 @@ AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES],
     # Only enable jvmci on x86_64, sparcv9 and aarch64
     if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \
        test "x$OPENJDK_TARGET_CPU" = "xsparcv9" || \
-       test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
+       test "x$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU" = "xwindows-aarch64" || \
+       test "x$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU" = "xlinux-aarch64" ; then
       AC_MSG_RESULT([yes])
       JVM_FEATURES_jvmci="jvmci"
       INCLUDE_JVMCI="true"
@@ -430,10 +457,11 @@ AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES],
       JVM_FEATURES_graal="graal"
       INCLUDE_GRAAL="true"
     else
-      # By default enable graal build on x64 or where AOT is available.
+      # By default enable graal build on x64/aarch64 or where AOT is available.
       # graal build requires jvmci.
       if test "x$JVM_FEATURES_jvmci" = "xjvmci" && \
           (test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \
+           test "x$OPENJDK_TARGET_CPU" = "xaarch64" || \
            test "x$ENABLE_AOT" = "xtrue") ; then
         AC_MSG_RESULT([yes])
         JVM_FEATURES_graal="graal"
@@ -494,7 +522,7 @@ AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES],
   fi
 
   # All variants but minimal (and custom) get these features
-  NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES cmsgc g1gc parallelgc serialgc epsilongc jni-check jvmti management nmt services vm-structs zgc"
+  NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES cmsgc g1gc parallelgc serialgc epsilongc shenandoahgc jni-check jvmti management nmt services vm-structs zgc"
 
   AC_MSG_CHECKING([if cds should be enabled])
   if test "x$ENABLE_CDS" = "xtrue"; then

make/autoconf/lib-bundled.m4

@@ -37,6 +37,7 @@ AC_DEFUN_ONCE([LIB_SETUP_BUNDLED_LIBS],
   LIB_SETUP_LIBPNG
   LIB_SETUP_ZLIB
   LIB_SETUP_LCMS
+  LIB_SETUP_HARFBUZZ
 ])
 
 ################################################################################
@@ -260,3 +261,43 @@ AC_DEFUN_ONCE([LIB_SETUP_LCMS],
   AC_SUBST(LCMS_CFLAGS)
   AC_SUBST(LCMS_LIBS)
 ])
+
+################################################################################
+# Setup harfbuzz
+################################################################################
+AC_DEFUN_ONCE([LIB_SETUP_HARFBUZZ],
+[
+  AC_ARG_WITH(harfbuzz, [AS_HELP_STRING([--with-harfbuzz],
+      [use harfbuzz from build system or OpenJDK source (system, bundled) @<:@bundled@:>@])])
+
+  AC_MSG_CHECKING([for which harfbuzz to use])
+
+  DEFAULT_HARFBUZZ=bundled
+  # If user didn't specify, use DEFAULT_HARFBUZZ
+  if test "x${with_harfbuzz}" = "x"; then
+    with_harfbuzz=${DEFAULT_HARFBUZZ}
+  fi
+
+  if test "x${with_harfbuzz}" = "xbundled"; then
+    USE_EXTERNAL_HARFBUZZ=false
+    HARFBUZZ_CFLAGS=""
+    HARFBUZZ_LIBS=""
+    AC_MSG_RESULT([bundled])
+  elif test "x${with_harfbuzz}" = "xsystem"; then
+    AC_MSG_RESULT([system])
+    PKG_CHECK_MODULES([HARFBUZZ], [harfbuzz], [HARFBUZZ_FOUND=yes], [HARFBUZZ_FOUND=no])
+    if test "x${HARFBUZZ_FOUND}" = "xyes"; then
+      # PKG_CHECK_MODULES will set HARFBUZZ_CFLAGS and HARFBUZZ_LIBS
+      USE_EXTERNAL_HARFBUZZ=true
+    else
+      HELP_MSG_MISSING_DEPENDENCY([harfbuzz])
+      AC_MSG_ERROR([--with-harfbuzz=system specified, but no harfbuzz found! $HELP_MSG])
+    fi
+  else
+    AC_MSG_ERROR([Invalid value for --with-harfbuzz: ${with_harfbuzz}, use 'system' or 'bundled'])
+  fi
+
+  AC_SUBST(USE_EXTERNAL_HARFBUZZ)
+  AC_SUBST(HARFBUZZ_CFLAGS)
+  AC_SUBST(HARFBUZZ_LIBS)
+])

make/autoconf/lib-ffi.m4

@@ -85,6 +85,20 @@ AC_DEFUN_ONCE([LIB_SETUP_LIBFFI],
           [LIBFFI_FOUND=no]
       )
     fi
+    # on macos we need a special case for system's libffi as
+    # headers are located only in sdk in $SYSROOT and in ffi subfolder
+    if test "x$LIBFFI_FOUND" = xno; then
+      if test "x$SYSROOT" != "x"; then
+        AC_CHECK_HEADER([$SYSROOT/usr/include/ffi/ffi.h],
+            [
+              LIBFFI_FOUND=yes
+              LIBFFI_CFLAGS="-I${SYSROOT}/usr/include/ffi"
+              LIBFFI_LIBS=-lffi
+            ],
+            [LIBFFI_FOUND=no]
+        )
+      fi
+    fi
     if test "x$LIBFFI_FOUND" = xno; then
       HELP_MSG_MISSING_DEPENDENCY([ffi])
       AC_MSG_ERROR([Could not find libffi! $HELP_MSG])

make/autoconf/platform.m4

@@ -49,10 +49,23 @@ AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_CPU],
       VAR_CPU_ENDIAN=little
       ;;
     arm*)
-      VAR_CPU=arm
-      VAR_CPU_ARCH=arm
-      VAR_CPU_BITS=32
-      VAR_CPU_ENDIAN=little
+      # Second argument is the os name from the trip/quad.
+      # on macos-aarch64, triplet returned by autoconf is
+      # arm-darwin*, but on darwin only aarch64 is present.
+      case "$2" in
+        *darwin*)
+          VAR_CPU=aarch64
+          VAR_CPU_ARCH=aarch64
+          VAR_CPU_BITS=64
+          VAR_CPU_ENDIAN=little
+        ;;
+        *)
+          VAR_CPU=arm
+          VAR_CPU_ARCH=arm
+          VAR_CPU_BITS=32
+          VAR_CPU_ENDIAN=little
+        ;;
+      esac
       ;;
     aarch64)
       VAR_CPU=aarch64
@@ -215,7 +228,7 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
 
   # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
   PLATFORM_EXTRACT_VARS_FROM_OS($build_os)
-  PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu)
+  PLATFORM_EXTRACT_VARS_FROM_CPU($build_cpu, $build_os)
   # ..and setup our own variables. (Do this explicitly to facilitate searching)
   OPENJDK_BUILD_OS="$VAR_OS"
   if test "x$VAR_OS_TYPE" != x; then
@@ -245,7 +258,7 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
 
   # Convert the autoconf OS/CPU value to our own data, into the VAR_OS/CPU variables.
   PLATFORM_EXTRACT_VARS_FROM_OS($host_os)
-  PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu)
+  PLATFORM_EXTRACT_VARS_FROM_CPU($host_cpu, $host_os)
   # ... and setup our own variables. (Do this explicitly to facilitate searching)
   OPENJDK_TARGET_OS="$VAR_OS"
   if test "x$VAR_OS_TYPE" != x; then

make/autoconf/spec.gmk.in

@@ -617,7 +617,7 @@ JAVA_JAVAC=@FIXPATH@ $(JAVA_CMD) $(JAVA_FLAGS_JAVAC) $(JAVA_FLAGS)
 JAVAC=@FIXPATH@ $(JAVAC_CMD)
 JAVADOC=@FIXPATH@ $(JAVADOC_CMD)
 JAR=@FIXPATH@ $(JAR_CMD)
-JLINK = @FIXPATH@ $(JLINK_CMD) $(JAVA_TOOL_FLAGS_SMALL)
+JLINK = @FIXPATH@ $(JLINK_CMD)
 JMOD = @FIXPATH@ $(JMOD_CMD) $(JAVA_TOOL_FLAGS_SMALL)
 JARSIGNER=@FIXPATH@ $(JARSIGNER_CMD)
 # A specific java binary with specific options can be used to run
@@ -832,6 +832,10 @@ USE_EXTERNAL_LCMS:=@USE_EXTERNAL_LCMS@
 LCMS_CFLAGS:=@LCMS_CFLAGS@
 LCMS_LIBS:=@LCMS_LIBS@
 
+USE_EXTERNAL_HARFBUZZ:=@USE_EXTERNAL_HARFBUZZ@
+HARFBUZZ_CFLAGS:=@HARFBUZZ_CFLAGS@
+HARFBUZZ_LIBS:=@HARFBUZZ_LIBS@
+
 USE_EXTERNAL_LIBPNG:=@USE_EXTERNAL_LIBPNG@
 PNG_LIBS:=@PNG_LIBS@
 PNG_CFLAGS:=@PNG_CFLAGS@

make/autoconf/toolchain.m4

@@ -918,14 +918,18 @@ AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS],
           . $CONFIGURESUPPORT_OUTPUTDIR/build-devkit.info
           # This potentially sets the following:
           # A descriptive name of the devkit
-          BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_NAME])
+          BASIC_EVAL_BUILD_DEVKIT_VARIABLE([BUILD_DEVKIT_NAME])
           # Corresponds to --with-extra-path
-          BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_EXTRA_PATH])
+          BASIC_EVAL_BUILD_DEVKIT_VARIABLE([BUILD_DEVKIT_EXTRA_PATH])
           # Corresponds to --with-toolchain-path
-          BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_TOOLCHAIN_PATH])
+          BASIC_EVAL_BUILD_DEVKIT_VARIABLE([BUILD_DEVKIT_TOOLCHAIN_PATH])
           # Corresponds to --with-sysroot
-          BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_SYSROOT])
-          # Skip the Window specific parts
+          BASIC_EVAL_BUILD_DEVKIT_VARIABLE([BUILD_DEVKIT_SYSROOT])
+
+          if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+            BASIC_EVAL_BUILD_DEVKIT_VARIABLE([BUILD_DEVKIT_VS_INCLUDE])
+            BASIC_EVAL_BUILD_DEVKIT_VARIABLE([BUILD_DEVKIT_VS_LIB])
+          fi
         fi
 
         AC_MSG_CHECKING([for build platform devkit])
@@ -935,22 +939,51 @@ AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS],
           AC_MSG_RESULT([$BUILD_DEVKIT_ROOT])
         fi
 
-        BUILD_SYSROOT="$BUILD_DEVKIT_SYSROOT"
+        PATH="$BUILD_DEVKIT_EXTRA_PATH:$PATH"
 
-         # Fallback default of just /bin if DEVKIT_PATH is not defined
+        # Fallback default of just /bin if DEVKIT_PATH is not defined
         if test "x$BUILD_DEVKIT_TOOLCHAIN_PATH" = x; then
           BUILD_DEVKIT_TOOLCHAIN_PATH="$BUILD_DEVKIT_ROOT/bin"
         fi
-        PATH="$BUILD_DEVKIT_TOOLCHAIN_PATH:$BUILD_DEVKIT_EXTRA_PATH"
+        PATH="$BUILD_DEVKIT_TOOLCHAIN_PATH:$PATH"
+
+        BUILD_SYSROOT="$BUILD_DEVKIT_SYSROOT"
+
+        if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+          BUILD_VS_INCLUDE="$BUILD_DEVKIT_VS_INCLUDE"
+          BUILD_VS_LIB="$BUILD_DEVKIT_VS_LIB"
+
+          TOOLCHAIN_SETUP_VISUAL_STUDIO_SYSROOT_FLAGS([BUILD_])
+        fi
+      fi
+    else
+      if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+        if test "x$OPENJDK_TARGET_CPU" = "xaarch64"; then
+          # try to guess compiler layout. Final solution should be
+          # backport of 8257679. Try primitive approach for now 
+          BUILD_CC=`$ECHO "$CC"|$SED 's|/arm64/cl|/x64/cl|'`
+          BUILD_CXX=`$ECHO "$CXX"|$SED 's|/arm64/cl|/x64/cl|'`
+          BUILD_AR=`$ECHO "$AR"|$SED 's|/arm64/lib|/x64/lib|'`
+          BUILD_LD=`$ECHO "$LD"|$SED 's|/arm64/link|/x64/link|'`
+          BUILD_SYSROOT_CFLAGS=`$ECHO "$SYSROOT_CFLAGS"|$SED 's|/arm64|/x64|g'`
+          BUILD_SYSROOT_LDFLAGS=`$ECHO "$SYSROOT_LDFLAGS"|$SED 's|/arm64|/x64|g'`
+        else
+          AC_MSG_ERROR([only windows-aarch64 cross compilation is supported so far])
+        fi
       fi
     fi
 
     # FIXME: we should list the discovered compilers as an exclude pattern!
     # If we do that, we can do this detection before POST_DETECTION, and still
     # find the build compilers in the tools dir, if needed.
-    BASIC_REQUIRE_PROGS(BUILD_CC, [cl cc gcc])
+    if test "x$OPENJDK_BUILD_OS" = xmacosx; then
+      BASIC_REQUIRE_PROGS(BUILD_CC, [clang cl cc gcc])
+      BASIC_REQUIRE_PROGS(BUILD_CXX, [clang++ cl CC g++])
+    else
+      BASIC_REQUIRE_PROGS(BUILD_CC, [cl cc gcc])
+      BASIC_REQUIRE_PROGS(BUILD_CXX, [cl CC g++])
+    fi
     BASIC_FIXUP_EXECUTABLE(BUILD_CC)
-    BASIC_REQUIRE_PROGS(BUILD_CXX, [cl CC g++])
     BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
     BASIC_PATH_PROGS(BUILD_NM, nm gcc-nm)
     BASIC_FIXUP_EXECUTABLE(BUILD_NM)
@@ -962,9 +995,37 @@ AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS],
     BASIC_FIXUP_EXECUTABLE(BUILD_STRIP)
     # Assume the C compiler is the assembler
     BUILD_AS="$BUILD_CC -c"
-    # Just like for the target compiler, use the compiler as linker
-    BUILD_LD="$BUILD_CC"
-    BUILD_LDCXX="$BUILD_CXX"
+    if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+      # In the Microsoft toolchain we have a separate LD command "link".
+      # Make sure we reject /usr/bin/link (as determined in CYGWIN_LINK), which is
+      # a cygwin program for something completely different.
+      AC_CHECK_PROG([BUILD_LD], [link$EXE_SUFFIX],[link$EXE_SUFFIX],,, [$CYGWIN_LINK])
+      BASIC_FIXUP_EXECUTABLE(BUILD_LD)
+      # Verify that we indeed succeeded with this trick.
+      AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
+
+      # Reset PATH since it can contain a mix of WSL/linux paths and Windows paths from VS,
+      # which, in combination with WSLENV, will make the WSL layer complain
+      old_path="$PATH"
+      PATH=
+
+      "$BUILD_LD" --version > /dev/null
+
+      if test $? -eq 0 ; then
+        AC_MSG_RESULT([no])
+        AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
+      else
+        AC_MSG_RESULT([yes])
+      fi
+
+      PATH="$old_path"
+
+      BUILD_LDCXX="$BUILD_LD"
+    else
+      # Just like for the target compiler, use the compiler as linker
+      BUILD_LD="$BUILD_CC"
+      BUILD_LDCXX="$BUILD_CXX"
+    fi
 
     PATH="$OLDPATH"
 
@@ -1020,6 +1081,10 @@ AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS],
       if test "x$COMPILER_CPU_TEST" != "xx64"; then
         AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
       fi
+    elif test "x$OPENJDK_TARGET_CPU" = "xaarch64"; then
+      if test "x$COMPILER_CPU_TEST" != "xARM64"; then
+        AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "arm64".])
+      fi
     fi
   fi
 

make/autoconf/toolchain_windows.m4

@@ -25,7 +25,7 @@
 
 ################################################################################
 # The order of these defines the priority by which we try to find them.
-VALID_VS_VERSIONS="2017 2013 2015 2012 2010"
+VALID_VS_VERSIONS="2019 2017 2013 2015 2012 2010"
 
 VS_DESCRIPTION_2010="Microsoft Visual Studio 2010"
 VS_VERSION_INTERNAL_2010=100
@@ -80,7 +80,7 @@ VS_VERSION_INTERNAL_2017=141
 VS_MSVCR_2017=vcruntime140.dll
 VS_MSVCP_2017=msvcp140.dll
 VS_ENVVAR_2017="VS150COMNTOOLS"
-VS_USE_UCRT_2017="true"
+VS_USE_UCRT_2017="false"
 VS_VS_INSTALLDIR_2017="Microsoft Visual Studio/2017"
 VS_EDITIONS_2017="BuildTools Community Professional Enterprise"
 VS_SDK_INSTALLDIR_2017=
@@ -88,6 +88,19 @@ VS_VS_PLATFORM_NAME_2017="v141"
 VS_SDK_PLATFORM_NAME_2017=
 VS_SUPPORTED_2017=true
 
+VS_DESCRIPTION_2019="Microsoft Visual Studio 2019"
+VS_VERSION_INTERNAL_2019=142
+VS_MSVCR_2019=vcruntime140.dll
+VS_MSVCP_2019=msvcp140.dll
+VS_ENVVAR_2019="VS160COMNTOOLS"
+VS_USE_UCRT_2019="false"
+VS_VS_INSTALLDIR_2019="Microsoft Visual Studio/2019"
+VS_EDITIONS_2019="BuildTools Community Professional Enterprise"
+VS_SDK_INSTALLDIR_2019=
+VS_VS_PLATFORM_NAME_2019="v142"
+VS_SDK_PLATFORM_NAME_2019=
+VS_SUPPORTED_2019=true
+
 ################################################################################
 
 AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT],
@@ -111,11 +124,15 @@ AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT],
 
     if test -d "$VS_BASE"; then
       AC_MSG_NOTICE([Found Visual Studio installation at $VS_BASE using $METHOD])
-      if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
+      if test "x$OPENJDK_TARGET_CPU" = xx86; then
         VCVARSFILES="vc/bin/vcvars32.bat vc/auxiliary/build/vcvars32.bat"
-      else
+      elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then
         VCVARSFILES="vc/bin/amd64/vcvars64.bat vc/bin/x86_amd64/vcvarsx86_amd64.bat \
             vc/auxiliary/build/vcvarsx86_amd64.bat vc/auxiliary/build/vcvars64.bat"
+      elif test "x$OPENJDK_TARGET_CPU" = xaarch64; then
+        # for host x86-64, target aarch64
+        VCVARSFILES="vc/auxiliary/build/vcvarsamd64_arm64.bat \
+            vc/auxiliary/build/vcvarsx86_arm64.bat"
       fi
 
       for VCVARSFILE in $VCVARSFILES; do
@@ -155,10 +172,12 @@ AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT],
       elif test -f "$WIN_SDK_BASE/Bin/SetEnv.Cmd"; then
         AC_MSG_NOTICE([Found Windows SDK installation at $WIN_SDK_BASE using $METHOD])
         VS_ENV_CMD="$WIN_SDK_BASE/Bin/SetEnv.Cmd"
-        if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
+        if test "x$OPENJDK_TARGET_CPU" = xx86; then
           VS_ENV_ARGS="/x86"
-        else
+        elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then
           VS_ENV_ARGS="/x64"
+        elif test "x$OPENJDK_TARGET_CPU" = xaarch64; then
+          VS_ENV_ARGS="/arm64"
         fi
         # PLATFORM_TOOLSET is used during the compilation of the freetype sources (see
         # 'LIB_BUILD_FREETYPE' in libraries.m4) and must be 'Windows7.1SDK' for Windows7.1SDK
@@ -455,41 +474,7 @@ AC_DEFUN([TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV],
       AC_SUBST(VS_INCLUDE)
       AC_SUBST(VS_LIB)
 
-      # Convert VS_INCLUDE into SYSROOT_CFLAGS
-      OLDIFS="$IFS"
-      IFS=";"
-      for i in $VS_INCLUDE; do
-        ipath=$i
-        # Only process non-empty elements
-        if test "x$ipath" != x; then
-          IFS="$OLDIFS"
-          # Check that directory exists before calling fixup_path
-          testpath=$ipath
-          BASIC_WINDOWS_REWRITE_AS_UNIX_PATH([testpath])
-          if test -d "$testpath"; then
-            BASIC_FIXUP_PATH([ipath])
-            SYSROOT_CFLAGS="$SYSROOT_CFLAGS -I$ipath"
-          fi
-          IFS=";"
-        fi
-      done
-      # Convert VS_LIB into SYSROOT_LDFLAGS
-      for i in $VS_LIB; do
-        libpath=$i
-        # Only process non-empty elements
-        if test "x$libpath" != x; then
-          IFS="$OLDIFS"
-          # Check that directory exists before calling fixup_path
-          testpath=$libpath
-          BASIC_WINDOWS_REWRITE_AS_UNIX_PATH([testpath])
-          if test -d "$testpath"; then
-            BASIC_FIXUP_PATH([libpath])
-            SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS -libpath:$libpath"
-          fi
-          IFS=";"
-        fi
-      done
-      IFS="$OLDIFS"
+      TOOLCHAIN_SETUP_VISUAL_STUDIO_SYSROOT_FLAGS
     fi
   else
     AC_MSG_RESULT([not found])
@@ -526,10 +511,15 @@ AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL],
         CORRECT_MSVCR_ARCH="PE32+ executable"
       fi
     else
-      if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
+      if test "x$OPENJDK_TARGET_CPU" = xx86; then
         CORRECT_MSVCR_ARCH=386
-      else
+      elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then
         CORRECT_MSVCR_ARCH=x86-64
+      elif test "x$OPENJDK_TARGET_CPU" = xaarch64; then
+        # The cygwin 'file' command only returns "PE32+ executable (DLL) (console), for MS Windows",
+        # without specifying which architecture it is for specifically. This has been fixed upstream.
+        # https://github.com/file/file/commit/b849b1af098ddd530094bf779b58431395db2e10#diff-ff2eced09e6860de75057dd731d092aeR142
+        CORRECT_MSVCR_ARCH="PE32+ executable"
       fi
     fi
     if $ECHO "$MSVC_DLL_FILETYPE" | $GREP "$CORRECT_MSVCR_ARCH" 2>&1 > /dev/null; then
@@ -549,24 +539,24 @@ AC_DEFUN([TOOLCHAIN_SETUP_MSVC_DLL],
   DLL_NAME="$1"
   MSVC_DLL=
 
+  if test "x$OPENJDK_TARGET_CPU" = xx86; then
+    vs_target_cpu=x86
+  elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then
+    vs_target_cpu=x64
+  elif test "x$OPENJDK_TARGET_CPU" = xaarch64; then
+    vs_target_cpu=arm64
+  fi
+
   if test "x$MSVC_DLL" = x; then
     if test "x$VCINSTALLDIR" != x; then
       CYGWIN_VC_INSTALL_DIR="$VCINSTALLDIR"
       BASIC_FIXUP_PATH(CYGWIN_VC_INSTALL_DIR)
       if test "$VS_VERSION" -lt 2017; then
         # Probe: Using well-known location from Visual Studio 12.0 and older
-        if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
-          POSSIBLE_MSVC_DLL="$CYGWIN_VC_INSTALL_DIR/redist/x64/Microsoft.VC${VS_VERSION_INTERNAL}.CRT/$DLL_NAME"
-        else
-          POSSIBLE_MSVC_DLL="$CYGWIN_VC_INSTALL_DIR/redist/x86/Microsoft.VC${VS_VERSION_INTERNAL}.CRT/$DLL_NAME"
-        fi
+        POSSIBLE_MSVC_DLL="$CYGWIN_VC_INSTALL_DIR/redist/$vs_target_cpu/Microsoft.VC${VS_VERSION_INTERNAL}.CRT/$DLL_NAME"
       else
         # Probe: Using well-known location from VS 2017
-        if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
-          POSSIBLE_MSVC_DLL="`ls $CYGWIN_VC_INSTALL_DIR/Redist/MSVC/*/x64/Microsoft.VC${VS_VERSION_INTERNAL}.CRT/$DLL_NAME`"
-        else
-          POSSIBLE_MSVC_DLL="`ls $CYGWIN_VC_INSTALL_DIR/Redist/MSVC/*/x86/Microsoft.VC${VS_VERSION_INTERNAL}.CRT/$DLL_NAME`"
-        fi
+        POSSIBLE_MSVC_DLL="`ls $CYGWIN_VC_INSTALL_DIR/Redist/MSVC/*/$vs_target_cpu/Microsoft.VC${VS_VERSION_INTERNAL}.CRT/$DLL_NAME`"
       fi
       # In case any of the above finds more than one file, loop over them.
       for possible_msvc_dll in $POSSIBLE_MSVC_DLL; do
@@ -598,13 +588,8 @@ AC_DEFUN([TOOLCHAIN_SETUP_MSVC_DLL],
     if test "x$VS100COMNTOOLS" != x; then
       CYGWIN_VS_TOOLS_DIR="$VS100COMNTOOLS/.."
       BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(CYGWIN_VS_TOOLS_DIR)
-      if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
-        POSSIBLE_MSVC_DLL=`$FIND "$CYGWIN_VS_TOOLS_DIR" -name $DLL_NAME \
-	    | $GREP -i /x64/ | $HEAD --lines 1`
-      else
-        POSSIBLE_MSVC_DLL=`$FIND "$CYGWIN_VS_TOOLS_DIR" -name $DLL_NAME \
-	    | $GREP -i /x86/ | $HEAD --lines 1`
-      fi
+      POSSIBLE_MSVC_DLL=`$FIND "$CYGWIN_VS_TOOLS_DIR" -name $DLL_NAME \
+        | $GREP -i /$vs_target_cpu/ | $HEAD --lines 1`
       TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL([$DLL_NAME], [$POSSIBLE_MSVC_DLL],
           [search of VS100COMNTOOLS])
     fi
@@ -614,17 +599,17 @@ AC_DEFUN([TOOLCHAIN_SETUP_MSVC_DLL],
     # Probe: Search wildly in the VCINSTALLDIR. We've probably lost by now.
     # (This was the original behaviour; kept since it might turn something up)
     if test "x$CYGWIN_VC_INSTALL_DIR" != x; then
-      if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
+      if test "x$OPENJDK_TARGET_CPU" = xx86; then
         POSSIBLE_MSVC_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name $DLL_NAME \
-	    | $GREP x64 | $HEAD --lines 1`
-      else
-        POSSIBLE_MSVC_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name $DLL_NAME \
-	    | $GREP x86 | $GREP -v ia64 | $GREP -v x64 | $HEAD --lines 1`
+        | $GREP x86 | $GREP -v ia64 | $GREP -v x64 | $GREP -v arm64 | $HEAD --lines 1`
         if test "x$POSSIBLE_MSVC_DLL" = x; then
           # We're grasping at straws now...
           POSSIBLE_MSVC_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name $DLL_NAME \
 	      | $HEAD --lines 1`
         fi
+      else
+        POSSIBLE_MSVC_DLL=`$FIND "$CYGWIN_VC_INSTALL_DIR" -name $DLL_NAME \
+          | $GREP $vs_target_cpu | $HEAD --lines 1`
       fi
 
       TOOLCHAIN_CHECK_POSSIBLE_MSVC_DLL([$DLL_NAME], [$POSSIBLE_MSVC_DLL],
@@ -708,8 +693,12 @@ AC_DEFUN([TOOLCHAIN_SETUP_VS_RUNTIME_DLLS],
       CYGWIN_WINDOWSSDKDIR="${WINDOWSSDKDIR}"
       BASIC_FIXUP_PATH([CYGWIN_WINDOWSSDKDIR])
       dll_subdir=$OPENJDK_TARGET_CPU
-      if test "x$dll_subdir" = "xx86_64"; then
+      if test "x$OPENJDK_TARGET_CPU" = "xaarch64"; then
+        dll_subdir="arm64"
+      elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
         dll_subdir="x64"
+      elif test "x$OPENJDK_TARGET_CPU" = "xx86"; then
+        dll_subdir="x86"
       fi
       UCRT_DLL_DIR="$CYGWIN_WINDOWSSDKDIR/Redist/ucrt/DLLs/$dll_subdir"
       if test -z "$(ls -d "$UCRT_DLL_DIR/"*.dll 2> /dev/null)"; then
@@ -732,3 +721,49 @@ AC_DEFUN([TOOLCHAIN_SETUP_VS_RUNTIME_DLLS],
   fi
   AC_SUBST(UCRT_DLL_DIR)
 ])
+
+# Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so
+# that configure can use them while detecting compilers.
+# TOOLCHAIN_TYPE is available here.
+# Param 1 - Optional prefix to all variables. (e.g BUILD_)
+AC_DEFUN([TOOLCHAIN_SETUP_VISUAL_STUDIO_SYSROOT_FLAGS],
+[
+  # Convert $1VS_INCLUDE into $1SYSROOT_CFLAGS
+  OLDIFS="$IFS"
+  IFS=";"
+  for i in [$]$1VS_INCLUDE; do
+    ipath=$i
+    # Only process non-empty elements
+    if test "x$ipath" != x; then
+      IFS="$OLDIFS"
+      # Check that directory exists before calling fixup_path
+      testpath=$ipath
+      BASIC_WINDOWS_REWRITE_AS_UNIX_PATH([testpath])
+      if test -d "$testpath"; then
+        BASIC_FIXUP_PATH([ipath])
+        $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -I$ipath"
+      fi
+      IFS=";"
+    fi
+  done
+  # Convert $1VS_LIB into $1SYSROOT_LDFLAGS
+  for i in [$]$1VS_LIB; do
+    libpath=$i
+    # Only process non-empty elements
+    if test "x$libpath" != x; then
+      IFS="$OLDIFS"
+      # Check that directory exists before calling fixup_path
+      testpath=$libpath
+      BASIC_WINDOWS_REWRITE_AS_UNIX_PATH([testpath])
+      if test -d "$testpath"; then
+        BASIC_FIXUP_PATH([libpath])
+        $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -libpath:$libpath"
+      fi
+      IFS=";"
+    fi
+  done
+  IFS="$OLDIFS"
+
+  AC_SUBST($1SYSROOT_CFLAGS)
+  AC_SUBST($1SYSROOT_LDFLAGS)
+])

make/autoconf/version-numbers

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -28,12 +28,12 @@
 
 DEFAULT_VERSION_FEATURE=11
 DEFAULT_VERSION_INTERIM=0
-DEFAULT_VERSION_UPDATE=8
+DEFAULT_VERSION_UPDATE=11
 DEFAULT_VERSION_PATCH=0
 DEFAULT_VERSION_EXTRA1=0
 DEFAULT_VERSION_EXTRA2=0
 DEFAULT_VERSION_EXTRA3=0
-DEFAULT_VERSION_DATE=2020-07-14
+DEFAULT_VERSION_DATE=2021-04-20
 DEFAULT_VERSION_CLASSFILE_MAJOR=55  # "`$EXPR $DEFAULT_VERSION_FEATURE + 44`"
 DEFAULT_VERSION_CLASSFILE_MINOR=0
 DEFAULT_ACCEPTABLE_BOOT_VERSIONS="10 11"

make/common/Modules.gmk

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2014, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -63,6 +63,7 @@ BOOT_MODULES += \
     jdk.management \
     jdk.management.jfr \
     jdk.management.agent \
+    jdk.naming.ldap \
     jdk.net \
     jdk.sctp \
     jdk.unsupported \
@@ -165,6 +166,7 @@ DOCS_MODULES += \
     jdk.management.agent \
     jdk.management.jfr \
     jdk.naming.dns \
+    jdk.naming.ldap \
     jdk.naming.rmi \
     jdk.net \
     jdk.pack \
@@ -197,21 +199,6 @@ HOTSPOT_MODULES := \
     jdk.internal.vm.compiler.management \
     #
 
-# The native dynamic libraries in these modules will also get built into static
-# libraries for consumption by downstream projects that need to statically link
-# the JDK libraries. Those static libraries are not part of the main JDK
-# distribution. 
-STATIC_LIBS_MODULES := \
-    java.base \
-    jdk.crypto.ec \
-    jdk.security.auth \
-    java.prefs \
-    java.security.jgss \
-    java.smartcardio \
-    jdk.crypto.cryptoki \
-    jdk.net \
-    #
-
 ################################################################################
 # Some platforms don't have the serviceability agent
 

make/common/NativeCompilation.gmk

@@ -239,15 +239,30 @@ ifeq ($(ALLOW_ABSOLUTE_PATHS_IN_OUTPUT)-$(FILE_MACRO_CFLAGS), false-)
         ) \
       )
 
-  # When compiling with relative paths, the deps file comes out with relative
-  # paths.
+  # When compiling with relative paths, the deps file may come out with relative
+  # paths, and that path may start with './'. First remove any leading ./, then
+  # add WORKSPACE_ROOT to any line not starting with /, while allowing for
+  # leading spaces. There may also be multiple entries on the same line, so start
+  # with splitting such lines.
+  # Non GNU sed (BSD on macosx) cannot substitue in literal \n using regex.
+  # Instead use a bash escaped literal newline. To avoid having unmatched quotes
+  # ruin the ability for an editor to properly syntax highlight this file, define
+  # that newline sequence as a separate variable and add the closing quote behind
+  # a comment.
+  sed_newline := \'$$'\n''#'
   ifeq ($(TOOLCHAIN_TYPE), solstudio)
     define fix-deps-file
 	$(SED) -e 's|\./|$(WORKSPACE_ROOT)/|g' $1.tmp > $1
     endef
   else
     define fix-deps-file
-	$(SED) -e 's|^\([ ]*\)|\1$(WORKSPACE_ROOT)|' $1.tmp > $1
+	$(SED) \
+	    -e 's|\([^ ]\) \{1,\}\([^\\:]\)|\1 \\$(sed_newline) \2|g' \
+	    $1.tmp \
+	    | $(SED) \
+	        -e 's|^\([ ]*\)\./|\1|' \
+	        -e '/^[ ]*[^/ ]/s|^\([ ]*\)|\1$(WORKSPACE_ROOT)/|' \
+	        > $1
     endef
   endif
 else
@@ -823,13 +838,15 @@ define SetupNativeCompilationBody
         -include $$($1_PCH_DEPS_TARGETS_FILE)
 
         $1_PCH_COMMAND := $$($1_CC) $$($1_CFLAGS) $$($1_EXTRA_CFLAGS) $$($1_SYSROOT_CFLAGS) \
-            $$($1_OPT_CFLAGS) -x c++-header -c $(C_FLAG_DEPS) $$($1_PCH_DEPS_FILE)
+            $$($1_OPT_CFLAGS) -x c++-header -c $(C_FLAG_DEPS) \
+            $$(addsuffix .tmp, $$($1_PCH_DEPS_FILE))
 
         $$($1_PCH_FILE): $$($1_PRECOMPILED_HEADER) $$($1_COMPILE_VARDEPS_FILE)
 		$$(call LogInfo, Generating precompiled header)
 		$$(call MakeDir, $$(@D))
 		$$(call ExecuteWithLog, $$@, $$(call MakeCommandRelative, \
 		    $$($1_PCH_COMMAND) $$< -o $$@))
+		$$(call fix-deps-file, $$($1_PCH_DEPS_FILE))
 		$(SED) $(DEPENDENCY_TARGET_SED_PATTERN) $$($1_PCH_DEPS_FILE) \
 		    > $$($1_PCH_DEPS_TARGETS_FILE)
 
@@ -1189,7 +1206,7 @@ define SetupNativeCompilationBody
                 # This only works if the openjdk_codesign identity is present on the system. Let
                 # silently fail otherwise.
                 ifneq ($(CODESIGN), )
-		  $(CODESIGN) -s "$(MACOSX_CODESIGN_IDENTITY)" --timestamp --options runtime \
+		  $(CODESIGN) -f -s "$(MACOSX_CODESIGN_IDENTITY)" --timestamp --options runtime \
 		      --entitlements $$(call GetEntitlementsFile, $$@) $$@
                 endif
   endif

make/common/TextFileProcessing.gmk

@@ -155,9 +155,10 @@ define SetupTextFileProcessingBody
     # Convert the REPLACEMENTS syntax ( A => B ; C => D ; ...) to a sed command
     # line (-e "s/A/B/g" -e "s/C/D/g" ...), basically by replacing '=>' with '/'
     # and ';' with '/g" -e "s/', and adjusting for edge cases.
+    # '&' has special meaning in sed so needs to be escaped.
     $1_REPLACEMENTS_COMMAND_LINE := $(SED) -e 's$$($1_SEP)$$(subst $$(SPACE);$$(SPACE),$$($1_SEP)g' \
         -e 's$$($1_SEP),$$(subst $$(SPACE)=>$$(SPACE),$$($1_SEP),$$(subst $$(SPACE)=>$$(SPACE);$$(SPACE),$$($1_SEP)$$($1_SEP)g' \
-        -e 's$$($1_SEP),$$(strip $$($1_REPLACEMENTS)))))$$($1_SEP)g'
+        -e 's$$($1_SEP),$$(subst &,\&,$$(strip $$($1_REPLACEMENTS))))))$$($1_SEP)g'
   else
     # We don't have any replacements, just pipe the file through cat.
     $1_REPLACEMENTS_COMMAND_LINE := $(CAT)

make/copy/Copy-java.base.gmk

@@ -44,37 +44,44 @@ endif
 
 ################################################################################
 # Copy the microsoft runtime libraries on windows
+################################################################################
+# Copy the microsoft runtime libraries on windows, but only if we are not
+# creating a buildjdk. If we are, the provided runtime librareis are made for
+# the target platform, not the build platform (and we should not need to bundle
+# anything with the minimalistic, locally-only buildjdk.)
 ifeq ($(OPENJDK_TARGET_OS), windows)
+  ifneq ($(CREATING_BUILDJDK), true)
 
-  # Chmod to avoid permission issues if bundles are unpacked on unix platforms.
-  define copy-and-chmod
+    # Chmod to avoid permission issues if bundles are unpacked on unix platforms.
+    define copy-and-chmod
 	$(install-file)
 	$(CHMOD) a+rx $@
-  endef
+    endef
 
-  # Use separate macro calls in case the source files are not in the same
-  # directory.
-  $(eval $(call SetupCopyFiles,COPY_MSVCR, \
+    # Use separate macro calls in case the source files are not in the same
+    # directory.
+    $(eval $(call SetupCopyFiles,COPY_MSVCR, \
       DEST := $(LIB_DST_DIR), \
       FILES := $(MSVCR_DLL), \
       MACRO := copy-and-chmod))
 
-  $(eval $(call SetupCopyFiles,COPY_MSVCP, \
+    $(eval $(call SetupCopyFiles,COPY_MSVCP, \
       DEST := $(LIB_DST_DIR), \
       FILES := $(MSVCP_DLL), \
       MACRO := copy-and-chmod))
 
-  TARGETS += $(COPY_MSVCR) $(COPY_MSVCP)
+    TARGETS += $(COPY_MSVCR) $(COPY_MSVCP)
 
-  ifneq ($(UCRT_DLL_DIR), )
-    $(eval $(call SetupCopyFiles, COPY_UCRT_DLLS, \
+    ifneq ($(UCRT_DLL_DIR), )
+      $(eval $(call SetupCopyFiles, COPY_UCRT_DLLS, \
         DEST := $(LIB_DST_DIR), \
         SRC := $(UCRT_DLL_DIR), \
         FILES := $(wildcard $(UCRT_DLL_DIR)/*.dll), \
         MACRO := copy-and-chmod, \
-    ))
+      ))
 
-    TARGETS += $(COPY_UCRT_DLLS)
+      TARGETS += $(COPY_UCRT_DLLS)
+    endif
   endif
 endif
 

make/copy/Copy-java.desktop.gmk

@@ -73,6 +73,10 @@ ifeq ($(FREETYPE_TO_USE), system)
   LEGAL_EXCLUDES += freetype.md
 endif
 
+ifeq ($(USE_EXTERNAL_HARFBUZZ), true)
+  LEGAL_EXCLUDES += harfbuzz.md
+endif
+
 $(eval $(call SetupCopyLegalFiles, COPY_LEGAL, \
     EXCLUDES := $(LEGAL_EXCLUDES), \
 ))

make/data/blacklistedcertsconverter/blacklisted.certs.pem

@@ -1,8 +1,7 @@
 #! java BlacklistedCertsConverter SHA-256
 
-# The line above must be the first line of the blacklisted.certs.pem
-# file inside src/share/lib/security/. It will be ignored if added in
-# src/closed/share/lib/security/blacklisted.certs.pem.
+# The line above must be the first line of this file. Do not
+# remove it.
 
 // Subject: CN=Digisign Server ID (Enrich),
 //          OU=457608-K,

make/data/bundle/JDK-Info.plist

@@ -22,6 +22,8 @@
         <string>????</string>
         <key>CFBundleVersion</key>
         <string>@@VERSION@@</string>
+        <key>NSMicrophoneUsageDescription</key>
+        <string>The application is requesting access to the microphone.</string>
         <key>JavaVM</key>
         <dict>
                 <key>JVMCapabilities</key>

make/data/bundle/JRE-Info.plist

@@ -22,6 +22,8 @@
         <string>????</string>
         <key>CFBundleVersion</key>
         <string>@@VERSION@@</string>
+        <key>NSMicrophoneUsageDescription</key>
+        <string>The application is requesting access to the microphone.</string>
         <key>JavaVM</key>
         <dict>
                 <key>JVMMinimumFrameworkVersion</key>

make/data/cacerts/entrustrootcag4

@@ -0,0 +1,43 @@
+Owner: CN=Entrust Root Certification Authority - G4, OU="(c) 2015 Entrust, Inc. - for authorized use only", OU=See www.entrust.net/legal-terms, O="Entrust, Inc.", C=US
+Issuer: CN=Entrust Root Certification Authority - G4, OU="(c) 2015 Entrust, Inc. - for authorized use only", OU=See www.entrust.net/legal-terms, O="Entrust, Inc.", C=US
+Serial number: d9b5437fafa9390f000000005565ad58
+Valid from: Wed May 27 11:11:16 GMT 2015 until: Sun Dec 27 11:41:16 GMT 2037
+Signature algorithm name: SHA256withRSA
+Subject Public Key Algorithm: 4096-bit RSA key
+Version: 3
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

make/data/cacerts/haricaeccrootca2015

@@ -0,0 +1,24 @@
+Owner: CN=Hellenic Academic and Research Institutions ECC RootCA 2015, O=Hellenic Academic and Research Institutions Cert. Authority, L=Athens, C=GR
+Issuer: CN=Hellenic Academic and Research Institutions ECC RootCA 2015, O=Hellenic Academic and Research Institutions Cert. Authority, L=Athens, C=GR
+Serial number: 0
+Valid from: Tue Jul 07 10:37:12 GMT 2015 until: Sat Jun 30 10:37:12 GMT 2040
+Signature algorithm name: SHA256withECDSA
+Subject Public Key Algorithm: 384-bit EC key
+Version: 3
+-----BEGIN CERTIFICATE-----
+MIICwzCCAkqgAwIBAgIBADAKBggqhkjOPQQDAjCBqjELMAkGA1UEBhMCR1IxDzAN
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+TUwJCA3sS61kFyjndc5FZXIhF8siQQ6ME5g4mlRtm8rifOoCWCKR
+-----END CERTIFICATE-----

make/data/cacerts/haricarootca2015

@@ -0,0 +1,42 @@
+Owner: CN=Hellenic Academic and Research Institutions RootCA 2015, O=Hellenic Academic and Research Institutions Cert. Authority, L=Athens, C=GR
+Issuer: CN=Hellenic Academic and Research Institutions RootCA 2015, O=Hellenic Academic and Research Institutions Cert. Authority, L=Athens, C=GR
+Serial number: 0
+Valid from: Tue Jul 07 10:11:21 GMT 2015 until: Sat Jun 30 10:11:21 GMT 2040
+Signature algorithm name: SHA256withRSA
+Subject Public Key Algorithm: 4096-bit RSA key
+Version: 3
+-----BEGIN CERTIFICATE-----
+MIIGCzCCA/OgAwIBAgIBADANBgkqhkiG9w0BAQsFADCBpjELMAkGA1UEBhMCR1Ix
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+vm9qp/UsQu0yrbYhnr68
+-----END CERTIFICATE-----

make/data/cacerts/sslrooteccca

@@ -0,0 +1,23 @@
+Owner: CN=SSL.com Root Certification Authority ECC, O=SSL Corporation, L=Houston, ST=Texas, C=US
+Issuer: CN=SSL.com Root Certification Authority ECC, O=SSL Corporation, L=Houston, ST=Texas, C=US
+Serial number: 75e6dfcbc1685ba8
+Valid from: Fri Feb 12 18:14:03 GMT 2016 until: Tue Feb 12 18:14:03 GMT 2041
+Signature algorithm name: SHA256withECDSA
+Subject Public Key Algorithm: 384-bit EC key
+Version: 3
+-----BEGIN CERTIFICATE-----
+MIICjTCCAhSgAwIBAgIIdebfy8FoW6gwCgYIKoZIzj0EAwIwfDELMAkGA1UEBhMC
+VVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQKDA9T
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+gA0z5Wajs6O7pdWLjwkspl1+4vAHCGht0nxpbl/f5Wpl
+-----END CERTIFICATE-----

make/data/cacerts/sslrootevrsaca

@@ -0,0 +1,41 @@
+Owner: CN=SSL.com EV Root Certification Authority RSA R2, O=SSL Corporation, L=Houston, ST=Texas, C=US
+Issuer: CN=SSL.com EV Root Certification Authority RSA R2, O=SSL Corporation, L=Houston, ST=Texas, C=US
+Serial number: 56b629cd34bc78f6
+Valid from: Wed May 31 18:14:37 GMT 2017 until: Fri May 30 18:14:37 GMT 2042
+Signature algorithm name: SHA256withRSA
+Subject Public Key Algorithm: 4096-bit RSA key
+Version: 3
+-----BEGIN CERTIFICATE-----
+MIIF6zCCA9OgAwIBAgIIVrYpzTS8ePYwDQYJKoZIhvcNAQELBQAwgYIxCzAJBgNV
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+mKVx01QT2WDz9UtmT/rx7iASjbSsV7FFY6GsdqnC+w==
+-----END CERTIFICATE-----

make/data/cacerts/sslrootrsaca

@@ -0,0 +1,41 @@
+Owner: CN=SSL.com Root Certification Authority RSA, O=SSL Corporation, L=Houston, ST=Texas, C=US
+Issuer: CN=SSL.com Root Certification Authority RSA, O=SSL Corporation, L=Houston, ST=Texas, C=US
+Serial number: 7b2c9bd316803299
+Valid from: Fri Feb 12 17:39:39 GMT 2016 until: Tue Feb 12 17:39:39 GMT 2041
+Signature algorithm name: SHA256withRSA
+Subject Public Key Algorithm: 4096-bit RSA key
+Version: 3
+-----BEGIN CERTIFICATE-----
+MIIF3TCCA8WgAwIBAgIIeyyb0xaAMpkwDQYJKoZIhvcNAQELBQAwfDELMAkGA1UE
+BhMCVVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQK
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+Ic2wBlX7Jz9TkHCpBB5XJ7k=
+-----END CERTIFICATE-----

make/data/charsetmapping/MS950.map

@@ -23,10 +23,10 @@
 #    0xF9FD -> u256F -> 0xA2A3 
 #    0xA2CC -> u5341 -> 0xA451 
 #    0xA2CE -> u5345 -> 0xA4CA  
-#    0xF9F9 -> u2550 -> 0xA2A4
-#    0xF9E9 -> u255E -> 0xA2A5	
-#    0xF9EA -> u256A -> 0xA2A6	
-#    0xF9EB -> u2561 -> 0xA2A7
+#    0xA2A4 -> u2550 -> 0xF9F9
+#    0xA2A5 -> u255E -> 0xF9E9
+#    0xA2A6 -> u256A -> 0xF9EA
+#    0xA2A7 -> u2561 -> 0xF9EB
 #
 # Column #1 is the cp950 code (in hex)
 # Column #2 is the Unicode (in hex as 0xXXXX)

make/data/charsetmapping/MS950.nr

@@ -6,13 +6,13 @@
 # (we don't need a MS950.c2b, the entries of MS950.c2b-irreversible
 #  are added in MS950.b2c already)
 #
-0xF9FA  0x256D 
+0xA2A4  0x2550
+0xA2A5  0x255E
+0xA2A6  0x256A
+0xA2A7  0x2561
+0xA2CC  0x5341
+0xA2CE  0x5345
+0xF9FA  0x256D
 0xF9FB  0x256E
 0xF9FC  0x2570
 0xF9FD  0x256F
-0xA2CC  0x5341
-0xA2CE  0x5345
-0xF9F9  0x2550
-0xF9E9  0x255E
-0xF9EA  0x256A
-0xF9EB  0x2561

make/data/currency/CurrencyData.properties

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -50,7 +50,7 @@ all=ADP020-AED784-AFA004-AFN971-ALL008-AMD051-ANG532-AOA973-ARS032-ATS040-AUD036
     LVL428-LYD434-MAD504-MDL498-MGA969-MGF450-MKD807-MMK104-MNT496-MOP446-MRO478-MRU929-\
     MTL470-MUR480-MVR462-MWK454-MXN484-MXV979-MYR458-MZM508-MZN943-NAD516-NGN566-\
     NIO558-NLG528-NOK578-NPR524-NZD554-OMR512-PAB590-PEN604-PGK598-PHP608-\
-    PKR586-PLN985-PTE620-PYG600-QAR634-ROL946-RON946-RSD941-RUB643-RUR810-RWF646-SAR682-\
+    PKR586-PLN985-PTE620-PYG600-QAR634-ROL642-RON946-RSD941-RUB643-RUR810-RWF646-SAR682-\
     SBD090-SCR690-SDD736-SDG938-SEK752-SGD702-SHP654-SIT705-SKK703-SLL694-SOS706-\
     SRD968-SRG740-SSP728-STD678-STN930-SVC222-SYP760-SZL748-THB764-TJS972-TMM795-TMT934-TND788-TOP776-\
     TPE626-TRL792-TRY949-TTD780-TWD901-TZS834-UAH980-UGX800-USD840-USN997-USS998-UYI940-\
@@ -588,7 +588,7 @@ ZW=ZWL
 
 minor0=\
     ADP-BEF-BIF-BYB-BYR-CLP-DJF-ESP-GNF-\
-    GRD-ISK-ITL-JPY-KMF-KRW-LUF-MGF-PYG-PTE-RWF-\
+    GRD-ISK-ITL-JPY-KMF-KRW-LUF-MGF-PYG-PTE-ROL-RWF-\
     TPE-TRL-UGX-UYI-VND-VUV-XAF-XOF-XPF
 minor3=\
     BHD-IQD-JOD-KWD-LYD-OMR-TND

make/data/docs-resources/index.html

@@ -1,10 +1,13 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <!--
- Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
  This code is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License version 2 only, as
- published by the Free Software Foundation.
+ published by the Free Software Foundation.  Oracle designates this
+ particular file as subject to the "Classpath" exception as provided
+ by Oracle in the LICENSE file that accompanied this code.
 
  This code is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
@@ -20,21 +23,11 @@
  or visit www.oracle.com if you need additional information or have any
  questions.
 -->
-
-<html>
+<html lang="en">
+<head>
+<meta http-equiv="refresh" content="0;url=api/index.html">
+<title>Java API Documentation redirect</title>
+</head>
 <body>
-
-Verify that high resolution system icons are used JCheckBoxMenuItem 
-on HiDPI displays.
-
-If the display does not support HiDPI mode press PASS.
-
-1. Run the test on HiDPI Display.
-2. Press the Menu in the applet
-3. Check that the icon on the JCheckBoxMenuItem is smooth
-If so, press PASS, else press FAIL.
-
-<applet  code="bug8031573.class" width=250 height=250></applet>
-
 </body>
 </html>

make/data/publicsuffixlist/VERSION

@@ -1,2 +1,2 @@
-Github: https://raw.githubusercontent.com/publicsuffix/list/33c1c788decfed1052089fa27e3005fe4088dec3/public_suffix_list.dat
-Date: 2019-09-28
+Github: https://raw.githubusercontent.com/publicsuffix/list/cbbba1d234670453df9c930dfbf510c0474d4301/public_suffix_list.dat
+Date: 2020-04-24

make/data/publicsuffixlist/public_suffix_list.dat

@@ -79,7 +79,6 @@ exchange.aero
 express.aero
 federation.aero
 flight.aero
-freight.aero
 fuel.aero
 gliding.aero
 government.aero
@@ -213,6 +212,7 @@ ac.at
 co.at
 gv.at
 or.at
+sth.ac.at
 
 // au : https://en.wikipedia.org/wiki/.au
 // http://www.auda.org.au/
@@ -241,7 +241,7 @@ wa.au
 // 3LDs
 act.edu.au
 catholic.edu.au
-eq.edu.au
+// eq.edu.au - Removed at the request of the Queensland Department of Education
 nsw.edu.au
 nt.edu.au
 qld.edu.au
@@ -719,11 +719,13 @@ gouv.ci
 *.ck
 !www.ck
 
-// cl : https://en.wikipedia.org/wiki/.cl
+// cl : https://www.nic.cl
+// Confirmed by .CL registry <hsalgado@nic.cl>
 cl
-gov.cl
-gob.cl
+aprendemas.cl
 co.cl
+gob.cl
+gov.cl
 mil.cl
 
 // cm : https://en.wikipedia.org/wiki/.cm plus bug 981927
@@ -982,8 +984,19 @@ fi
 // TODO: Check for updates (expected to be phased out around Q1/2009)
 aland.fi
 
-// fj : https://en.wikipedia.org/wiki/.fj
-*.fj
+// fj : http://domains.fj/
+// Submitted by registry <garth.miller@cocca.org.nz> 2020-02-11
+fj
+ac.fj
+biz.fj
+com.fj
+gov.fj
+info.fj
+mil.fj
+name.fj
+net.fj
+org.fj
+pro.fj
 
 // fk : https://en.wikipedia.org/wiki/.fk
 *.fk
@@ -1368,7 +1381,7 @@ it
 gov.it
 edu.it
 // Reserved geo-names (regions and provinces):
-// http://www.nic.it/sites/default/files/docs/Regulation_assignation_v7.1.pdf
+// https://www.nic.it/sites/default/files/archivio/docs/Regulation_assignation_v7.1.pdf
 // Regions
 abr.it
 abruzzo.it
@@ -5886,14 +5899,9 @@ gov.rs
 in.rs
 org.rs
 
-// ru : https://cctld.ru/en/domains/domens_ru/reserved/
+// ru : https://cctld.ru/files/pdf/docs/en/rules_ru-rf.pdf
+// Submitted by George Georgievsky <gug@cctld.ru>
 ru
-ac.ru
-edu.ru
-gov.ru
-int.ru
-mil.ru
-test.ru
 
 // rw : https://www.ricta.org.rw/sites/default/files/resources/registry_registrar_contract_0.pdf
 rw
@@ -6038,9 +6046,12 @@ org.sn
 perso.sn
 univ.sn
 
-// so : http://www.soregistry.com/
+// so : http://sonic.so/policies/
 so
 com.so
+edu.so
+gov.so
+me.so
 net.so
 org.so
 
@@ -6510,7 +6521,7 @@ k12.ok.us
 k12.or.us
 k12.pa.us
 k12.pr.us
-k12.ri.us
+// k12.ri.us  Removed at request of Kim Cournoyer <netsupport@staff.ri.net>
 k12.sc.us
 // k12.sd.us  Bug 934131 - Removed at request of James Booze <James.Booze@k12.sd.us>
 k12.tn.us
@@ -6797,8 +6808,13 @@ yt
 مصر
 
 // xn--e1a4c ("eu", Cyrillic) : EU
+// https://eurid.eu
 ею
 
+// xn--qxa6a ("eu", Greek) : EU
+// https://eurid.eu
+ευ
+
 // xn--mgbah1a3hjkrd ("Mauritania", Arabic) : MR
 موريتانيا
 
@@ -6955,7 +6971,8 @@ yt
 ак.срб
 
 // xn--p1ai ("rf", Russian-Cyrillic) : RU
-// http://www.cctld.ru/en/docs/rulesrf.php
+// https://cctld.ru/files/pdf/docs/en/rules_ru-rf.pdf
+// Submitted by George Georgievsky <gug@cctld.ru>
 рф
 
 // xn--wgbl6a ("Qatar", Arabic) : QA
@@ -7075,7 +7092,7 @@ org.zw
 
 // newGTLDs
 
-// List of new gTLDs imported from https://www.icann.org/resources/registries/gtlds/v2/gtlds.json on 2019-09-26T16:43:02Z
+// List of new gTLDs imported from https://www.icann.org/resources/registries/gtlds/v2/gtlds.json on 2020-04-02T18:20:31Z
 // This list is auto-generated, don't edit it manually.
 // aaa : 2015-02-26 American Automobile Association, Inc.
 aaa
@@ -7197,6 +7214,9 @@ alsace
 // alstom : 2015-07-30 ALSTOM
 alstom
 
+// amazon : 2019-12-19 Amazon Registry Services, Inc.
+amazon
+
 // americanexpress : 2015-07-31 American Express Travel Related Services Company, Inc.
 americanexpress
 
@@ -7296,7 +7316,7 @@ auto
 // autos : 2014-01-09 DERAutos, LLC
 autos
 
-// avianca : 2015-01-08 Aerovias del Continente Americano S.A. Avianca
+// avianca : 2015-01-08 Avianca Holdings S.A.
 avianca
 
 // aws : 2015-06-25 Amazon Registry Services, Inc.
@@ -7374,7 +7394,7 @@ bcn
 // beats : 2015-05-14 Beats Electronics, LLC
 beats
 
-// beauty : 2015-12-03 L'Oréal
+// beauty : 2015-12-03 XYZ.COM LLC
 beauty
 
 // beer : 2014-01-09 Minds + Machines Group Limited
@@ -7587,9 +7607,6 @@ careers
 // cars : 2014-11-13 Cars Registry Limited
 cars
 
-// cartier : 2014-06-23 Richemont DNS Inc.
-cartier
-
 // casa : 2013-11-21 Minds + Machines Group Limited
 casa
 
@@ -7668,9 +7685,6 @@ christmas
 // chrome : 2014-07-24 Charleston Road Registry Inc.
 chrome
 
-// chrysler : 2015-07-30 FCA US LLC.
-chrysler
-
 // church : 2014-02-06 Binky Moon, LLC
 church
 
@@ -7836,7 +7850,7 @@ cuisinella
 // cymru : 2014-05-08 Nominet UK
 cymru
 
-// cyou : 2015-01-22 Beijing Gamease Age Digital Technology Co., Ltd.
+// cyou : 2015-01-22 ShortDot SA
 cyou
 
 // dabur : 2014-02-06 Dabur India Limited
@@ -7950,9 +7964,6 @@ docs
 // doctor : 2016-06-02 Binky Moon, LLC
 doctor
 
-// dodge : 2015-07-30 FCA US LLC.
-dodge
-
 // dog : 2014-12-04 Binky Moon, LLC
 dog
 
@@ -8058,9 +8069,6 @@ eus
 // events : 2013-12-05 Binky Moon, LLC
 events
 
-// everbank : 2014-05-15 EverBank
-everbank
-
 // exchange : 2014-03-06 Binky Moon, LLC
 exchange
 
@@ -8334,7 +8342,7 @@ gmail
 // gmbh : 2016-01-29 Binky Moon, LLC
 gmbh
 
-// gmo : 2014-01-09 GMO Internet Pte. Ltd.
+// gmo : 2014-01-09 GMO Internet, Inc.
 gmo
 
 // gmx : 2014-04-24 1&1 Mail & Media GmbH
@@ -8409,7 +8417,7 @@ guitars
 // guru : 2013-08-27 Binky Moon, LLC
 guru
 
-// hair : 2015-12-03 L'Oréal
+// hair : 2015-12-03 XYZ.COM LLC
 hair
 
 // hamburg : 2014-02-20 Hamburg Top-Level-Domain GmbH
@@ -8745,9 +8753,6 @@ kyoto
 // lacaixa : 2014-01-09 Fundación Bancaria Caixa d’Estalvis i Pensions de Barcelona, “la Caixa”
 lacaixa
 
-// ladbrokes : 2015-08-06 LADBROKES INTERNATIONAL PLC
-ladbrokes
-
 // lamborghini : 2015-06-04 Automobili Lamborghini S.p.A.
 lamborghini
 
@@ -8760,9 +8765,6 @@ lancaster
 // lancia : 2015-07-31 Fiat Chrysler Automobiles N.V.
 lancia
 
-// lancome : 2015-07-23 L'Oréal
-lancome
-
 // land : 2013-09-10 Binky Moon, LLC
 land
 
@@ -8814,9 +8816,6 @@ lexus
 // lgbt : 2014-05-08 Afilias Limited
 lgbt
 
-// liaison : 2014-10-02 Liaison Technologies, Incorporated
-liaison
-
 // lidl : 2014-09-18 Schwarz Domains und Services GmbH & Co. KG
 lidl
 
@@ -8937,7 +8936,7 @@ maif
 // maison : 2013-12-05 Binky Moon, LLC
 maison
 
-// makeup : 2015-01-15 L'Oréal
+// makeup : 2015-01-15 XYZ.COM LLC
 makeup
 
 // man : 2014-12-04 MAN SE
@@ -9060,9 +9059,6 @@ money
 // monster : 2015-09-11 XYZ.COM LLC
 monster
 
-// mopar : 2015-07-30 FCA US LLC.
-mopar
-
 // mormon : 2013-12-05 IRI Domain Management, LLC ("Applicant")
 mormon
 
@@ -9084,9 +9080,6 @@ mov
 // movie : 2015-02-05 Binky Moon, LLC
 movie
 
-// movistar : 2014-10-16 Telefónica S.A.
-movistar
-
 // msd : 2015-07-23 MSD Registry Holdings, Inc.
 msd
 
@@ -9102,9 +9095,6 @@ mutual
 // nab : 2015-08-20 National Australia Bank Limited
 nab
 
-// nadex : 2014-12-11 Nadex Domains, Inc.
-nadex
-
 // nagoya : 2013-10-24 GMO Registry, Inc.
 nagoya
 
@@ -9345,9 +9335,6 @@ photos
 // physio : 2014-05-01 PhysBiz Pty Ltd
 physio
 
-// piaget : 2014-10-16 Richemont DNS Inc.
-piaget
-
 // pics : 2013-11-14 Uniregistry, Corp.
 pics
 
@@ -9459,7 +9446,7 @@ qpon
 // quebec : 2013-12-19 PointQuébec Inc
 quebec
 
-// quest : 2015-03-26 Quest ION Limited
+// quest : 2015-03-26 XYZ.COM LLC
 quest
 
 // qvc : 2015-07-30 QVC, Inc.
@@ -9789,7 +9776,7 @@ site
 // ski : 2015-04-09 Afilias Limited
 ski
 
-// skin : 2015-01-15 L'Oréal
+// skin : 2015-01-15 XYZ.COM LLC
 skin
 
 // sky : 2014-06-19 Sky International AG
@@ -9858,9 +9845,6 @@ spreadbetting
 // srl : 2015-05-07 InterNetX, Corp
 srl
 
-// srt : 2015-07-30 FCA US LLC.
-srt
-
 // stada : 2014-11-13 STADA Arzneimittel AG
 stada
 
@@ -9987,9 +9971,6 @@ tech
 // technology : 2013-09-13 Binky Moon, LLC
 technology
 
-// telefonica : 2014-10-16 Telefónica S.A.
-telefonica
-
 // temasek : 2014-08-07 Temasek Holdings (Private) Limited
 temasek
 
@@ -10083,7 +10064,7 @@ trading
 // training : 2013-11-07 Binky Moon, LLC
 training
 
-// travel :  Dog Beach, LLC
+// travel : 2015-10-09 Dog Beach, LLC
 travel
 
 // travelchannel : 2015-07-02 Lifestyle Domain Holdings, Inc.
@@ -10122,9 +10103,6 @@ ubank
 // ubs : 2014-12-11 UBS AG
 ubs
 
-// uconnect : 2015-07-30 FCA US LLC.
-uconnect
-
 // unicom : 2015-10-15 China United Network Communications Corporation Limited
 unicom
 
@@ -10194,9 +10172,6 @@ visa
 // vision : 2013-12-05 Binky Moon, LLC
 vision
 
-// vistaprint : 2014-09-18 Vistaprint Limited
-vistaprint
-
 // viva : 2014-11-07 Saudi Telecom Company
 viva
 
@@ -10245,9 +10220,6 @@ wang
 // wanggou : 2014-12-18 Amazon Registry Services, Inc.
 wanggou
 
-// warman : 2015-06-18 Weir Group IP Limited
-warman
-
 // watch : 2013-11-14 Binky Moon, LLC
 watch
 
@@ -10362,7 +10334,7 @@ xin
 // xn--3bst00m : 2013-09-13 Eagle Horizon Limited
 集团
 
-// xn--3ds443g : 2013-09-08 TLD REGISTRY LIMITED
+// xn--3ds443g : 2013-09-08 TLD REGISTRY LIMITED OY
 在线
 
 // xn--3oq18vl8pn36a : 2015-07-02 Volkswagen (China) Investment Co., Ltd.
@@ -10377,7 +10349,7 @@ xin
 // xn--45q11c : 2013-11-21 Zodiac Gemini Ltd
 八卦
 
-// xn--4gbrim : 2013-10-04 Suhub Electronic Establishment
+// xn--4gbrim : 2013-10-04 Fans TLD Limited
 موقع
 
 // xn--55qw42g : 2013-11-08 China Organizational Name Administration Center
@@ -10437,10 +10409,13 @@ xin
 // xn--cck2b3b : 2015-02-26 Amazon Registry Services, Inc.
 ストア
 
+// xn--cckwcxetd : 2019-12-19 Amazon Registry Services, Inc.
+アマゾン
+
 // xn--cg4bki : 2013-09-27 SAMSUNG SDS CO., LTD
 삼성
 
-// xn--czr694b : 2014-01-16 Dot Trademark TLD Holding Company Limited
+// xn--czr694b : 2014-01-16 Internet DotTrademark Organisation Limited
 商标
 
 // xn--czrs0t : 2013-12-19 Binky Moon, LLC
@@ -10458,16 +10433,13 @@ xin
 // xn--efvy88h : 2014-08-22 Guangzhou YU Wei Information Technology Co., Ltd.
 新闻
 
-// xn--estv75g : 2015-02-19 Industrial and Commercial Bank of China Limited
-工行
-
 // xn--fct429k : 2015-04-09 Amazon Registry Services, Inc.
 家電
 
 // xn--fhbei : 2015-01-15 VeriSign Sarl
 كوم
 
-// xn--fiq228c5hs : 2013-09-08 TLD REGISTRY LIMITED
+// xn--fiq228c5hs : 2013-09-08 TLD REGISTRY LIMITED OY
 中文网
 
 // xn--fiq64b : 2013-10-14 CITIC Group Corporation
@@ -10497,7 +10469,7 @@ xin
 // xn--i1b6b1a6a2e : 2013-11-14 Public Interest Registry
 संगठन
 
-// xn--imr513n : 2014-12-11 Dot Trademark TLD Holding Company Limited
+// xn--imr513n : 2014-12-11 Internet DotTrademark Organisation Limited
 餐厅
 
 // xn--io0a7i : 2013-11-14 China Internet Network Information Center (CNNIC)
@@ -10506,6 +10478,9 @@ xin
 // xn--j1aef : 2015-01-15 VeriSign Sarl
 ком
 
+// xn--jlq480n2rg : 2019-12-19 Amazon Registry Services, Inc.
+亚马逊
+
 // xn--jlq61u9w7b : 2015-01-08 Nokia Corporation
 诺基亚
 
@@ -10566,7 +10541,7 @@ xin
 // xn--nyqy26a : 2014-11-07 Stable Tone Limited
 健康
 
-// xn--otu796d : 2017-08-06 Dot Trademark TLD Holding Company Limited
+// xn--otu796d : 2017-08-06 Jiang Yu Liang Cai Technology Company Limited
 招聘
 
 // xn--p1acf : 2013-12-12 Rusnames Limited
@@ -10641,7 +10616,7 @@ yahoo
 // yamaxun : 2014-12-18 Amazon Registry Services, Inc.
 yamaxun
 
-// yandex : 2014-04-10 YANDEX, LLC
+// yandex : 2014-04-10 Yandex Europe B.V.
 yandex
 
 // yodobashi : 2014-11-20 YODOBASHI CAMERA CO.,LTD.
@@ -10691,6 +10666,12 @@ cc.ua
 inf.ua
 ltd.ua
 
+// Adobe : https://www.adobe.com/
+// Submitted by Ian Boston <boston@adobe.com>
+adobeaemcloud.com
+adobeaemcloud.net
+*.dev.adobeaemcloud.com
+
 // Agnat sp. z o.o. : https://domena.pl
 // Submitted by Przemyslaw Plewa <it-admin@domena.pl>
 beep.pl
@@ -10808,6 +10789,10 @@ s3-website.eu-west-2.amazonaws.com
 s3-website.eu-west-3.amazonaws.com
 s3-website.us-east-2.amazonaws.com
 
+// Amsterdam Wireless: https://www.amsterdamwireless.nl/
+// Submitted by Imre Jonk <hostmaster@amsterdamwireless.nl>
+amsw.nl
+
 // Amune : https://amune.org/
 // Submitted by Team Amune <cert@amune.org>
 t3l3p0rt.net
@@ -10842,12 +10827,6 @@ sweetpepper.org
 // Submitted by Vincent Tseng <vincenttseng@asustor.com>
 myasustor.com
 
-// Automattic Inc. : https://automattic.com/
-// Submitted by Alex Concha <alex.concha@automattic.com>
-go-vip.co
-go-vip.net
-wpcomstaging.com
-
 // AVM : https://avm.de
 // Submitted by Andreas Weise <a.weise@avm.de>
 myfritz.net
@@ -10984,8 +10963,9 @@ certmgr.org
 xenapponazure.com
 
 // Civilized Discourse Construction Kit, Inc. : https://www.discourse.org/
-// Submitted by Rishabh Nambiar <rishabh.nambiar@discourse.org>
+// Submitted by Rishabh Nambiar & Michael Brown <team@discourse.org>
 discourse.group
+discourse.team
 
 // ClearVox : http://www.clearvox.nl/
 // Submitted by Leon Rowland <leon@clearvox.nl>
@@ -11000,6 +10980,10 @@ cleverapps.io
 *.lcl.dev
 *.stg.dev
 
+// Clic2000 : https://clic2000.fr
+// Submitted by Mathilde Blanchemanche <mathilde@clic2000.fr>
+clic2000.net
+
 // Cloud66 : https://www.cloud66.com/
 // Submitted by Khash Sajadi <khash@cloud66.com>
 c66.me
@@ -11082,6 +11066,15 @@ co.no
 webhosting.be
 hosting-cluster.nl
 
+// Coordination Center for TLD RU and XN--P1AI : https://cctld.ru/en/domains/domens_ru/reserved/
+// Submitted by George Georgievsky <gug@cctld.ru>
+ac.ru
+edu.ru
+gov.ru
+int.ru
+mil.ru
+test.ru
+
 // COSIMO GmbH : http://www.cosimo.de
 // Submitted by Rene Marticke <rmarticke@cosimo.de>
 dyn.cosidns.de
@@ -11106,6 +11099,18 @@ realm.cz
 // Submitted by Jonathan Rudenberg <jonathan@cupcake.io>
 cupcake.is
 
+// Curv UG : https://curv-labs.de/
+// Submitted by Marvin Wiesner <Marvin@curv-labs.de>
+curv.dev
+
+// Customer OCI - Oracle Dyn https://cloud.oracle.com/home https://dyn.com/dns/
+// Submitted by Gregory Drake <support@dyn.com>
+// Note: This is intended to also include customer-oci.com due to wildcards implicitly including the current label
+*.customer-oci.com
+*.oci.customer-oci.com
+*.ocp.customer-oci.com
+*.ocs.customer-oci.com
+
 // cyon GmbH : https://www.cyon.ch/
 // Submitted by Dominic Luechinger <dol@cyon.ch>
 cyon.link
@@ -11133,11 +11138,23 @@ firm.dk
 reg.dk
 store.dk
 
+// dappnode.io : https://dappnode.io/
+// Submitted by Abel Boldu / DAppNode Team <community@dappnode.io>
+dyndns.dappnode.io
+
 // dapps.earth : https://dapps.earth/
 // Submitted by Daniil Burdakov <icqkill@gmail.com>
 *.dapps.earth
 *.bzz.dapps.earth
 
+// Dark, Inc. : https://darklang.com
+// Submitted by Paul Biggar <ops@darklang.com>
+builtwithdark.com
+
+// Datawire, Inc : https://www.datawire.io
+// Submitted by Richard Li <secalert@datawire.io>
+edgestack.me
+
 // Debian : https://www.debian.org/
 // Submitted by Peter Palfrader / Debian Sysadmin Team <dsa-publicsuffixlist@debian.org>
 debian.net
@@ -11511,6 +11528,10 @@ dynv6.net
 // Submitted by Vladimir Dudr <info@e4you.cz>
 e4.cz
 
+// En root‽ : https://en-root.org
+// Submitted by Emmanuel Raviart <emmanuel@raviart.com>
+en-root.fr
+
 // Enalean SAS: https://www.enalean.com
 // Submitted by Thomas Cottier <thomas.cottier@enalean.com>
 mytuleap.com
@@ -11603,6 +11624,10 @@ twmail.org
 mymailer.com.tw
 url.tw
 
+// Fabrica Technologies, Inc. : https://www.fabrica.dev/
+// Submitted by Eric Jiang <eric@fabrica.dev>
+onfabrica.com
+
 // Facebook, Inc.
 // Submitted by Peter Ruibal <public-suffix@fb.com>
 apps.fbsbx.com
@@ -11686,6 +11711,7 @@ vologda.su
 // Fancy Bits, LLC : http://getchannels.com
 // Submitted by Aman Gupta <aman@getchannels.com>
 channelsdvr.net
+u.channelsdvr.net
 
 // Fastly Inc. : http://www.fastly.com/
 // Submitted by Fastly Security <security@fastly.com>
@@ -11704,6 +11730,10 @@ global.ssl.fastly.net
 // Submitted by Likhachev Vasiliy <lihachev@fastvps.ru>
 fastpanel.direct
 fastvps-server.com
+myfast.space
+myfast.host
+fastvps.site
+fastvps.host
 
 // Featherhead : https://featherhead.xyz/
 // Submitted by Simon Menke <simon@featherhead.xyz>
@@ -11717,6 +11747,13 @@ cloud.fedoraproject.org
 app.os.fedoraproject.org
 app.os.stg.fedoraproject.org
 
+// FearWorks Media Ltd. : https://fearworksmedia.co.uk
+// submitted by Keith Fairley <domains@fearworksmedia.co.uk>
+conn.uk
+copro.uk
+couk.me
+ukco.me
+
 // Fermax : https://fermax.com/
 // submitted by Koen Van Isterdael <k.vanisterdael@fermax.be>
 mydobiss.com
@@ -11737,9 +11774,12 @@ firebaseapp.com
 
 // Flynn : https://flynn.io
 // Submitted by Jonathan Rudenberg <jonathan@flynn.io>
-flynnhub.com
 flynnhosting.net
 
+// Frederik Braun https://frederik-braun.com
+// Submitted by Frederik Braun <fb@frederik-braun.com>
+0e.vc
+
 // Freebox : http://www.freebox.fr
 // Submitted by Romain Fliedel <rfliedel@freebox.fr>
 freebox-os.com
@@ -11773,8 +11813,9 @@ service.gov.uk
 gehirn.ne.jp
 usercontent.jp
 
-// Gentlent, Limited : https://www.gentlent.com
-// Submitted by Tom Klein <tklein@gentlent.com>
+// Gentlent, Inc. : https://www.gentlent.com
+// Submitted by Tom Klein <tom@gentlent.com>
+gentapps.com
 lab.ms
 
 // GitHub, Inc.
@@ -11819,6 +11860,7 @@ a.run.app
 web.app
 *.0emm.com
 appspot.com
+*.r.appspot.com
 blogspot.ae
 blogspot.al
 blogspot.am
@@ -11903,6 +11945,14 @@ publishproxy.com
 withgoogle.com
 withyoutube.com
 
+// Aaron Marais' Gitlab pages: https://lab.aaronleem.co.za
+// Submitted by Aaron Marais <its_me@aaronleem.co.za>
+graphox.us
+
+// Group 53, LLC : https://www.group53.com
+// Submitted by Tyler Todd <noc@nova53.net>
+awsmppl.com
+
 // Hakaran group: http://hakaran.cz
 // Submited by Arseniy Sokolov <security@hakaran.cz>
 fin.ci
@@ -11952,6 +12002,7 @@ col.ng
 firm.ng
 gen.ng
 ltd.ng
+ngo.ng
 ng.school
 sch.so
 
@@ -12028,8 +12079,9 @@ pixolino.com
 ipifony.net
 
 // IServ GmbH : https://iserv.eu
-// Submitted by Kim-Alexander Brodowski <kim.brodowski@iserv.eu>
+// Submitted by Kim-Alexander Brodowski <info@iserv.eu>
 mein-iserv.de
+schulserver.de
 test-iserv.de
 iserv.dev
 
@@ -12072,6 +12124,10 @@ uni5.net
 // Submitted by Roy Keene <rkeene@knightpoint.com>
 knightpoint.systems
 
+// KUROKU LTD : https://kuroku.ltd/
+// Submitted by DisposaBoy <security@oya.to>
+oya.to
+
 // .KRD : http://nic.krd/data/krd/Registration%20Policy.pdf
 co.krd
 edu.krd
@@ -12211,8 +12267,8 @@ eu.meteorapp.com
 co.pl
 
 // Microsoft Corporation : http://microsoft.com
-// Submitted by Justin Luk <juluk@microsoft.com>
-azurecontainer.io
+// Submitted by Mostafa Elzeiny <moelzein@microsoft.com>
+*.azurecontainer.io
 azurewebsites.net
 azure-mobile.net
 cloudapp.net
@@ -12258,6 +12314,7 @@ nctu.me
 // Netlify : https://www.netlify.com
 // Submitted by Jessica Parsons <jessica@netlify.com>
 bitballoon.com
+netlify.app
 netlify.com
 
 // Neustar Inc.
@@ -12415,12 +12472,13 @@ pcloud.host
 nyc.mn
 
 // NymNom : https://nymnom.com/
-// Submitted by Dave McCormack <dave.mccormack@nymnom.com>
+// Submitted by NymNom <psl@nymnom.com>
 nom.ae
 nom.af
 nom.ai
 nom.al
 nym.by
+nom.bz
 nym.bz
 nom.cl
 nym.ec
@@ -12442,6 +12500,7 @@ nom.li
 nym.li
 nym.lt
 nym.lu
+nom.lv
 nym.me
 nom.mk
 nym.mn
@@ -12466,6 +12525,10 @@ nom.uy
 nom.vc
 nom.vg
 
+// Observable, Inc. : https://observablehq.com
+// Submitted by Mike Bostock <dns@observablehq.com>
+static.observableusercontent.com
+
 // Octopodal Solutions, LLC. : https://ulterius.io/
 // Submitted by Andrew Sampson <andrew@ulterius.io>
 cya.gg
@@ -12486,6 +12549,10 @@ opencraft.hosting
 // Submitted by Yngve Pettersen <yngve@opera.com>
 operaunite.com
 
+// Oursky Limited : https://skygear.io/
+// Submited by Skygear Developer <hello@skygear.io>
+skygearapp.com
+
 // OutSystems
 // Submitted by Duarte Santos <domain-admin@outsystemscloud.com>
 outsystemscloud.com
@@ -12528,6 +12595,10 @@ gotpantheon.com
 // Submitted by Steve Leung <steveleung@peplink.com>
 mypep.link
 
+// Perspecta : https://perspecta.com/
+// Submitted by Kenneth Van Alstyne <kvanalstyne@perspecta.com>
+perspecta.cloud
+
 // Planet-Work : https://www.planet-work.com/
 // Submitted by Frédéric VANNIÈRE <f.vanniere@planet-work.com>
 on-web.fr
@@ -12537,6 +12608,12 @@ on-web.fr
 *.platform.sh
 *.platformsh.site
 
+// Platter: https://platter.dev
+// Submitted by Patrick Flor <patrick@platter.dev>
+platter-app.com
+platter-app.dev
+platterp.us
+
 // Port53 : https://port53.io/
 // Submitted by Maximilian Schieder <maxi@zeug.co>
 dyn53.io
@@ -12578,6 +12655,10 @@ pubtls.org
 // Submitted by Xavier De Cock <xdecock@gmail.com>
 qualifioapp.com
 
+// QuickBackend: https://www.quickbackend.com
+// Submitted by Dani Biro <dani@pymet.com>
+qbuser.com
+
 // Redstar Consultants : https://www.redstarconsultants.com/
 // Submitted by Jons Slemmer <jons@redstarconsultants.com>
 instantcloud.cn
@@ -12590,6 +12671,11 @@ ras.ru
 // Submitted by Daniel Dent (https://www.danieldent.com/)
 qa2.com
 
+// QCX
+// Submitted by Cassandra Beelen <cassandra@beelen.one>
+qcx.io
+*.sys.qcx.io
+
 // QNAP System Inc : https://www.qnap.com
 // Submitted by Nick Chang <nickchang@qnap.com>
 dev-myqnapcloud.com
@@ -12612,6 +12698,7 @@ rackmaze.net
 
 // Rancher Labs, Inc : https://rancher.com
 // Submitted by Vincent Fiduccia <domains@rancher.com>
+*.on-k3s.io
 *.on-rancher.cloud
 *.on-rio.io
 
@@ -12665,6 +12752,10 @@ logoip.com
 // Submitted by Hanno Böck <hanno@schokokeks.org>
 schokokeks.net
 
+// Scottish Government: https://www.gov.scot
+// Submitted by Martin Ellis <martin.ellis@gov.scot>
+gov.scot
+
 // Scry Security : http://www.scrysec.com
 // Submitted by Shante Adam <shante@skyhat.io>
 scrysec.com
@@ -12682,6 +12773,10 @@ my-firewall.org
 myfirewall.org
 spdns.org
 
+// Senseering GmbH : https://www.senseering.de
+// Submitted by Felix Mönckemeyer <f.moenckemeyer@senseering.de>
+senseering.net
+
 // Service Online LLC : http://drs.ua/
 // Submitted by Serhii Bulakh <support@drs.ua>
 biz.ua
@@ -12700,6 +12795,10 @@ myshopblocks.com
 // Submitted by Craig McMahon <craig@shopitcommerce.com>
 shopitsite.com
 
+// shopware AG : https://shopware.com
+// Submitted by Jens Küper <cloud@shopware.com>
+shopware.store
+
 // Siemens Mobility GmbH
 // Submitted by Oliver Graebner <security@mo-siemens.io>
 mo-siemens.io
@@ -12732,6 +12831,10 @@ static.land
 dev.static.land
 sites.static.land
 
+// Sony Interactive Entertainment LLC : https://sie.com/
+// Submitted by David Coles <david.coles@sony.com>
+playstation-cloud.com
+
 // SourceLair PC : https://www.sourcelair.com
 // Submitted by Antonis Kalipetis <akalipetis@sourcelair.com>
 apps.lair.io
@@ -12906,6 +13009,11 @@ inc.hk
 virtualuser.de
 virtual-user.de
 
+// urown.net : https://urown.net
+// Submitted by Hostmaster <hostmaster@urown.net>
+urown.cloud
+dnsupdate.info
+
 // .US
 // Submitted by Ed Moore <Ed.Moore@lib.de.us>
 lib.de.us
@@ -12926,6 +13034,10 @@ v-info.info
 // Submitted by Nathan van Bakel <info@voorloper.com>
 voorloper.cloud
 
+// V.UA Domain Administrator : https://domain.v.ua/
+// Submitted by Serhii Rostilo <sergey@rostilo.kiev.ua>
+v.ua
+
 // Waffle Computer Inc., Ltd. : https://docs.waffleinfo.com
 // Submitted by Masayuki Note <masa@blade.wafflecell.com>
 wafflecell.com
@@ -12945,8 +13057,23 @@ wedeploy.sh
 remotewd.com
 
 // Wikimedia Labs : https://wikitech.wikimedia.org
-// Submitted by Yuvi Panda <yuvipanda@wikimedia.org>
+// Submitted by Arturo Borrero Gonzalez <aborrero@wikimedia.org>
 wmflabs.org
+toolforge.org
+wmcloud.org
+
+// WISP : https://wisp.gg
+// Submitted by Stepan Fedotov <stepan@wisp.gg>
+panel.gg
+daemon.panel.gg
+
+// WoltLab GmbH : https://www.woltlab.com
+// Submitted by Tim Düsterhus <security@woltlab.cloud>
+myforum.community
+community-pro.de
+diskussionsbereich.de
+community-pro.net
+meinforum.net
 
 // XenonCloud GbR: https://xenoncloud.net
 // Submitted by Julian Uphoff <publicsuffixlist@xenoncloud.net>
@@ -13010,7 +13137,10 @@ bss.design
 // Submitted by Emil Stahl <esp@zitcom.dk>
 basicserver.io
 virtualserver.io
-site.builder.nu
 enterprisecloud.nu
 
+// Mintere : https://mintere.com/
+// Submitted by Ben Aubin <security@mintere.com>
+mintere.site
+
 // ===END PRIVATE DOMAINS===

make/data/symbols/java.base-7.sym.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -632,10 +632,37 @@ class name java/security/cert/X509CRL
 class name java/security/cert/X509Certificate
 -method name verify descriptor (Ljava/security/PublicKey;Ljava/security/Provider;)V
 
+class name java/security/interfaces/RSAKey
+-method name getParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec;
+
 -class name java/security/spec/DSAGenParameterSpec
 
 class name java/security/spec/MGF1ParameterSpec
 -field name SHA224 descriptor Ljava/security/spec/MGF1ParameterSpec;
+-field name SHA512_224 descriptor Ljava/security/spec/MGF1ParameterSpec;
+-field name SHA512_256 descriptor Ljava/security/spec/MGF1ParameterSpec;
+
+class name java/security/spec/PSSParameterSpec
+-field name TRAILER_FIELD_BC descriptor I
+-method name toString descriptor ()Ljava/lang/String;
+
+class name java/security/spec/RSAKeyGenParameterSpec
+-method name <init> descriptor (ILjava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V
+-method name getKeyParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec;
+
+class name java/security/spec/RSAMultiPrimePrivateCrtKeySpec
+-method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;[Ljava/security/spec/RSAOtherPrimeInfo;Ljava/security/spec/AlgorithmParameterSpec;)V
+
+class name java/security/spec/RSAPrivateCrtKeySpec
+-method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V
+
+class name java/security/spec/RSAPrivateKeySpec
+-method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V
+-method name getParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec;
+
+class name java/security/spec/RSAPublicKeySpec
+-method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V
+-method name getParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec;
 
 class name java/text/Collator
 -method name getInstance descriptor (Ljava/util/Locale;)Ljava/text/Collator;
@@ -1457,6 +1484,14 @@ method name newUpdater descriptor (Ljava/lang/Class;Ljava/lang/Class;Ljava/lang/
 
 -class name java/util/function/UnaryOperator
 
+class name java/util/jar/Attributes$Name
+-field name EXTENSION_INSTALLATION descriptor Ljava/util/jar/Attributes$Name;
+-field name IMPLEMENTATION_VENDOR_ID descriptor Ljava/util/jar/Attributes$Name;
+-field name IMPLEMENTATION_URL descriptor Ljava/util/jar/Attributes$Name;
+field name EXTENSION_INSTALLATION descriptor Ljava/util/jar/Attributes$Name; flags 19
+field name IMPLEMENTATION_VENDOR_ID descriptor Ljava/util/jar/Attributes$Name; flags 19
+field name IMPLEMENTATION_URL descriptor Ljava/util/jar/Attributes$Name; flags 19
+
 class name java/util/jar/JarFile
 -method name stream descriptor ()Ljava/util/stream/Stream;
 
@@ -1535,6 +1570,9 @@ class name java/util/zip/ZipEntry
 class name java/util/zip/ZipFile
 -method name stream descriptor ()Ljava/util/stream/Stream;
 
+class name javax/crypto/SealedObject
+header extends java/lang/Object implements java/io/Serializable flags 21
+
 class name javax/crypto/SecretKey
 header extends java/lang/Object implements java/security/Key flags 601
 
@@ -1559,6 +1597,12 @@ class name javax/net/ssl/ExtendedSSLSession
 
 -class name javax/net/ssl/SNIServerName
 
+class name javax/net/ssl/SSLEngine
+-method name getApplicationProtocol descriptor ()Ljava/lang/String;
+-method name getHandshakeApplicationProtocol descriptor ()Ljava/lang/String;
+-method name setHandshakeApplicationProtocolSelector descriptor (Ljava/util/function/BiFunction;)V
+-method name getHandshakeApplicationProtocolSelector descriptor ()Ljava/util/function/BiFunction;
+
 class name javax/net/ssl/SSLParameters
 -method name setServerNames descriptor (Ljava/util/List;)V
 -method name getServerNames descriptor ()Ljava/util/List;
@@ -1566,6 +1610,14 @@ class name javax/net/ssl/SSLParameters
 -method name getSNIMatchers descriptor ()Ljava/util/Collection;
 -method name setUseCipherSuitesOrder descriptor (Z)V
 -method name getUseCipherSuitesOrder descriptor ()Z
+-method name getApplicationProtocols descriptor ()[Ljava/lang/String;
+-method name setApplicationProtocols descriptor ([Ljava/lang/String;)V
+
+class name javax/net/ssl/SSLSocket
+-method name getApplicationProtocol descriptor ()Ljava/lang/String;
+-method name getHandshakeApplicationProtocol descriptor ()Ljava/lang/String;
+-method name setHandshakeApplicationProtocolSelector descriptor (Ljava/util/function/BiFunction;)V
+-method name getHandshakeApplicationProtocolSelector descriptor ()Ljava/util/function/BiFunction;
 
 class name javax/net/ssl/SSLSocketFactory
 -method name createSocket descriptor (Ljava/net/Socket;Ljava/io/InputStream;Z)Ljava/net/Socket;

make/data/symbols/java.base-8.sym.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -8200,6 +8200,7 @@ method name getW descriptor ()Ljava/security/spec/ECPoint; flags 401
 class name java/security/interfaces/RSAKey
 header extends java/lang/Object flags 601 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
 method name getModulus descriptor ()Ljava/math/BigInteger; flags 401
+method name getParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec; flags 1
 
 class name java/security/interfaces/RSAMultiPrimePrivateCrtKey
 header extends java/lang/Object implements java/security/interfaces/RSAPrivateKey flags 601 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
@@ -8363,6 +8364,8 @@ field name SHA224 descriptor Ljava/security/spec/MGF1ParameterSpec; flags 19
 field name SHA256 descriptor Ljava/security/spec/MGF1ParameterSpec; flags 19
 field name SHA384 descriptor Ljava/security/spec/MGF1ParameterSpec; flags 19
 field name SHA512 descriptor Ljava/security/spec/MGF1ParameterSpec; flags 19
+field name SHA512_224 descriptor Ljava/security/spec/MGF1ParameterSpec; flags 19
+field name SHA512_256 descriptor Ljava/security/spec/MGF1ParameterSpec; flags 19
 method name <init> descriptor (Ljava/lang/String;)V flags 1
 method name getDigestAlgorithm descriptor ()Ljava/lang/String; flags 1
 
@@ -8375,6 +8378,7 @@ method name getFormat descriptor ()Ljava/lang/String; flags 11
 class name java/security/spec/PSSParameterSpec
 header extends java/lang/Object implements java/security/spec/AlgorithmParameterSpec flags 21 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
 field name DEFAULT descriptor Ljava/security/spec/PSSParameterSpec; flags 19
+field name TRAILER_FIELD_BC descriptor I constantValue 1 flags 19
 method name <init> descriptor (Ljava/lang/String;Ljava/lang/String;Ljava/security/spec/AlgorithmParameterSpec;II)V flags 1
 method name <init> descriptor (I)V flags 1
 method name getDigestAlgorithm descriptor ()Ljava/lang/String; flags 1
@@ -8382,6 +8386,7 @@ method name getMGFAlgorithm descriptor ()Ljava/lang/String; flags 1
 method name getMGFParameters descriptor ()Ljava/security/spec/AlgorithmParameterSpec; flags 1
 method name getSaltLength descriptor ()I flags 1
 method name getTrailerField descriptor ()I flags 1
+method name toString descriptor ()Ljava/lang/String; flags 1
 
 class name java/security/spec/RSAKeyGenParameterSpec
 header extends java/lang/Object implements java/security/spec/AlgorithmParameterSpec flags 21 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
@@ -8390,6 +8395,8 @@ field name F4 descriptor Ljava/math/BigInteger; flags 19
 method name <init> descriptor (ILjava/math/BigInteger;)V flags 1
 method name getKeysize descriptor ()I flags 1
 method name getPublicExponent descriptor ()Ljava/math/BigInteger; flags 1
+method name <init> descriptor (ILjava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V flags 1
+method name getKeyParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec; flags 1
 
 class name java/security/spec/RSAMultiPrimePrivateCrtKeySpec
 header extends java/security/spec/RSAPrivateKeySpec flags 21 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
@@ -8401,6 +8408,7 @@ method name getPrimeExponentP descriptor ()Ljava/math/BigInteger; flags 1
 method name getPrimeExponentQ descriptor ()Ljava/math/BigInteger; flags 1
 method name getCrtCoefficient descriptor ()Ljava/math/BigInteger; flags 1
 method name getOtherPrimeInfo descriptor ()[Ljava/security/spec/RSAOtherPrimeInfo; flags 1
+method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;[Ljava/security/spec/RSAOtherPrimeInfo;Ljava/security/spec/AlgorithmParameterSpec;)V flags 1
 
 class name java/security/spec/RSAOtherPrimeInfo
 header extends java/lang/Object flags 21 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
@@ -8418,18 +8426,23 @@ method name getPrimeQ descriptor ()Ljava/math/BigInteger; flags 1
 method name getPrimeExponentP descriptor ()Ljava/math/BigInteger; flags 1
 method name getPrimeExponentQ descriptor ()Ljava/math/BigInteger; flags 1
 method name getCrtCoefficient descriptor ()Ljava/math/BigInteger; flags 1
+method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V flags 1
 
 class name java/security/spec/RSAPrivateKeySpec
 header extends java/lang/Object implements java/security/spec/KeySpec flags 21 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
 method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;)V flags 1
 method name getModulus descriptor ()Ljava/math/BigInteger; flags 1
 method name getPrivateExponent descriptor ()Ljava/math/BigInteger; flags 1
+method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V flags 1
+method name getParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec; flags 1
 
 class name java/security/spec/RSAPublicKeySpec
 header extends java/lang/Object implements java/security/spec/KeySpec flags 21 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
 method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;)V flags 1
 method name getModulus descriptor ()Ljava/math/BigInteger; flags 1
 method name getPublicExponent descriptor ()Ljava/math/BigInteger; flags 1
+method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V flags 1
+method name getParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec; flags 1
 
 class name java/security/spec/X509EncodedKeySpec
 header extends java/security/spec/EncodedKeySpec flags 21 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
@@ -10429,6 +10442,7 @@ method name values descriptor ()[Ljava/time/chrono/JapaneseEra; flags 9
 method name getValue descriptor ()I flags 1
 method name range descriptor (Ljava/time/temporal/TemporalField;)Ljava/time/temporal/ValueRange; flags 1
 method name toString descriptor ()Ljava/lang/String; flags 1
+method name getDisplayName descriptor (Ljava/time/format/TextStyle;Ljava/util/Locale;)Ljava/lang/String; flags 1
 
 class name java/time/chrono/MinguoChronology
 header extends java/time/chrono/AbstractChronology implements java/io/Serializable flags 31 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
@@ -15563,15 +15577,15 @@ field name MAIN_CLASS descriptor Ljava/util/jar/Attributes$Name; flags 19
 field name SEALED descriptor Ljava/util/jar/Attributes$Name; flags 19
 field name EXTENSION_LIST descriptor Ljava/util/jar/Attributes$Name; flags 19
 field name EXTENSION_NAME descriptor Ljava/util/jar/Attributes$Name; flags 19
-field name EXTENSION_INSTALLATION descriptor Ljava/util/jar/Attributes$Name; flags 19
 field name IMPLEMENTATION_TITLE descriptor Ljava/util/jar/Attributes$Name; flags 19
 field name IMPLEMENTATION_VERSION descriptor Ljava/util/jar/Attributes$Name; flags 19
 field name IMPLEMENTATION_VENDOR descriptor Ljava/util/jar/Attributes$Name; flags 19
-field name IMPLEMENTATION_VENDOR_ID descriptor Ljava/util/jar/Attributes$Name; flags 19
-field name IMPLEMENTATION_URL descriptor Ljava/util/jar/Attributes$Name; flags 19
 field name SPECIFICATION_TITLE descriptor Ljava/util/jar/Attributes$Name; flags 19
 field name SPECIFICATION_VERSION descriptor Ljava/util/jar/Attributes$Name; flags 19
 field name SPECIFICATION_VENDOR descriptor Ljava/util/jar/Attributes$Name; flags 19
+field name EXTENSION_INSTALLATION descriptor Ljava/util/jar/Attributes$Name; flags 19 deprecated true runtimeAnnotations @Ljava/lang/Deprecated;
+field name IMPLEMENTATION_VENDOR_ID descriptor Ljava/util/jar/Attributes$Name; flags 19 deprecated true runtimeAnnotations @Ljava/lang/Deprecated;
+field name IMPLEMENTATION_URL descriptor Ljava/util/jar/Attributes$Name; flags 19 deprecated true runtimeAnnotations @Ljava/lang/Deprecated;
 method name <init> descriptor (Ljava/lang/String;)V flags 1
 method name equals descriptor (Ljava/lang/Object;)Z flags 1
 method name hashCode descriptor ()I flags 1
@@ -16698,6 +16712,7 @@ method name <init> descriptor ()V flags 1
 
 class name javax/crypto/SealedObject
 header extends java/lang/Object implements java/io/Serializable flags 21
+innerclass innerClass java/lang/invoke/MethodHandles$Lookup outerClass java/lang/invoke/MethodHandles innerClassName Lookup flags 19
 field name encodedParams descriptor [B flags 4
 method name <init> descriptor (Ljava/io/Serializable;Ljavax/crypto/Cipher;)V thrownTypes java/io/IOException,javax/crypto/IllegalBlockSizeException flags 1
 method name <init> descriptor (Ljavax/crypto/SealedObject;)V flags 4
@@ -17086,6 +17101,10 @@ method name setEnableSessionCreation descriptor (Z)V flags 401
 method name getEnableSessionCreation descriptor ()Z flags 401
 method name getSSLParameters descriptor ()Ljavax/net/ssl/SSLParameters; flags 1
 method name setSSLParameters descriptor (Ljavax/net/ssl/SSLParameters;)V flags 1
+method name getApplicationProtocol descriptor ()Ljava/lang/String; flags 1
+method name getHandshakeApplicationProtocol descriptor ()Ljava/lang/String; flags 1
+method name setHandshakeApplicationProtocolSelector descriptor (Ljava/util/function/BiFunction;)V flags 1 signature (Ljava/util/function/BiFunction<Ljavax/net/ssl/SSLEngine;Ljava/util/List<Ljava/lang/String;>;Ljava/lang/String;>;)V
+method name getHandshakeApplicationProtocolSelector descriptor ()Ljava/util/function/BiFunction; flags 1 signature ()Ljava/util/function/BiFunction<Ljavax/net/ssl/SSLEngine;Ljava/util/List<Ljava/lang/String;>;Ljava/lang/String;>;
 
 class name javax/net/ssl/SSLEngineResult
 header extends java/lang/Object flags 21 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
@@ -17156,6 +17175,8 @@ method name setSNIMatchers descriptor (Ljava/util/Collection;)V flags 11 signatu
 method name getSNIMatchers descriptor ()Ljava/util/Collection; flags 11 signature ()Ljava/util/Collection<Ljavax/net/ssl/SNIMatcher;>;
 method name setUseCipherSuitesOrder descriptor (Z)V flags 11
 method name getUseCipherSuitesOrder descriptor ()Z flags 11
+method name getApplicationProtocols descriptor ()[Ljava/lang/String; flags 1
+method name setApplicationProtocols descriptor ([Ljava/lang/String;)V flags 1
 
 class name javax/net/ssl/SSLPeerUnverifiedException
 header extends javax/net/ssl/SSLException flags 21 classAnnotations @Ljdk/Profile+Annotation;(value=I1)
@@ -17272,6 +17293,10 @@ method name setEnableSessionCreation descriptor (Z)V flags 401
 method name getEnableSessionCreation descriptor ()Z flags 401
 method name getSSLParameters descriptor ()Ljavax/net/ssl/SSLParameters; flags 1
 method name setSSLParameters descriptor (Ljavax/net/ssl/SSLParameters;)V flags 1
+method name getApplicationProtocol descriptor ()Ljava/lang/String; flags 1
+method name getHandshakeApplicationProtocol descriptor ()Ljava/lang/String; flags 1
+method name setHandshakeApplicationProtocolSelector descriptor (Ljava/util/function/BiFunction;)V flags 1 signature (Ljava/util/function/BiFunction<Ljavax/net/ssl/SSLSocket;Ljava/util/List<Ljava/lang/String;>;Ljava/lang/String;>;)V
+method name getHandshakeApplicationProtocolSelector descriptor ()Ljava/util/function/BiFunction; flags 1 signature ()Ljava/util/function/BiFunction<Ljavax/net/ssl/SSLSocket;Ljava/util/List<Ljava/lang/String;>;Ljava/lang/String;>;
 
 class name javax/net/ssl/SSLSocketFactory
 header extends javax/net/SocketFactory flags 421 classAnnotations @Ljdk/Profile+Annotation;(value=I1)

make/data/symbols/java.base-9.sym.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -2083,13 +2083,42 @@ method name equals descriptor (Ljava/lang/Object;)Z flags 1
 method name toString descriptor ()Ljava/lang/String; flags 1
 method name clone descriptor ()Ljava/lang/Object; thrownTypes java/lang/CloneNotSupportedException flags 1041
 
+class name java/security/interfaces/RSAKey
+-method name getParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec;
+
 class name java/security/spec/EncodedKeySpec
 method name <init> descriptor ([BLjava/lang/String;)V flags 4
 method name getAlgorithm descriptor ()Ljava/lang/String; flags 1
 
+class name java/security/spec/MGF1ParameterSpec
+-field name SHA512_224 descriptor Ljava/security/spec/MGF1ParameterSpec;
+-field name SHA512_256 descriptor Ljava/security/spec/MGF1ParameterSpec;
+
 class name java/security/spec/PKCS8EncodedKeySpec
 method name <init> descriptor ([BLjava/lang/String;)V flags 1
 
+class name java/security/spec/PSSParameterSpec
+-field name TRAILER_FIELD_BC descriptor I
+-method name toString descriptor ()Ljava/lang/String;
+
+class name java/security/spec/RSAKeyGenParameterSpec
+-method name <init> descriptor (ILjava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V
+-method name getKeyParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec;
+
+class name java/security/spec/RSAMultiPrimePrivateCrtKeySpec
+-method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;[Ljava/security/spec/RSAOtherPrimeInfo;Ljava/security/spec/AlgorithmParameterSpec;)V
+
+class name java/security/spec/RSAPrivateCrtKeySpec
+-method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V
+
+class name java/security/spec/RSAPrivateKeySpec
+-method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V
+-method name getParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec;
+
+class name java/security/spec/RSAPublicKeySpec
+-method name <init> descriptor (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/security/spec/AlgorithmParameterSpec;)V
+-method name getParams descriptor ()Ljava/security/spec/AlgorithmParameterSpec;
+
 class name java/security/spec/X509EncodedKeySpec
 method name <init> descriptor ([BLjava/lang/String;)V flags 1
 
@@ -2224,9 +2253,6 @@ innerclass innerClass java/lang/invoke/MethodHandles$Lookup outerClass java/lang
 class name java/time/chrono/IsoChronology
 method name epochSecond descriptor (IIIIIILjava/time/ZoneOffset;)J flags 1
 
-class name java/time/chrono/JapaneseEra
-method name getDisplayName descriptor (Ljava/time/format/TextStyle;Ljava/util/Locale;)Ljava/lang/String; flags 1
-
 class name java/time/format/DateTimeFormatter
 header extends java/lang/Object flags 31
 innerclass innerClass java/lang/invoke/MethodHandles$Lookup outerClass java/lang/invoke/MethodHandles innerClassName Lookup flags 19
@@ -3221,12 +3247,6 @@ header extends java/lang/Object implements java/util/function/Function flags 601
 innerclass innerClass java/lang/invoke/MethodHandles$Lookup outerClass java/lang/invoke/MethodHandles innerClassName Lookup flags 19
 
 class name java/util/jar/Attributes$Name
--field name EXTENSION_INSTALLATION descriptor Ljava/util/jar/Attributes$Name;
--field name IMPLEMENTATION_VENDOR_ID descriptor Ljava/util/jar/Attributes$Name;
--field name IMPLEMENTATION_URL descriptor Ljava/util/jar/Attributes$Name;
-field name EXTENSION_INSTALLATION descriptor Ljava/util/jar/Attributes$Name; flags 19 deprecated true runtimeAnnotations @Ljava/lang/Deprecated;
-field name IMPLEMENTATION_VENDOR_ID descriptor Ljava/util/jar/Attributes$Name; flags 19 deprecated true runtimeAnnotations @Ljava/lang/Deprecated;
-field name IMPLEMENTATION_URL descriptor Ljava/util/jar/Attributes$Name; flags 19 deprecated true runtimeAnnotations @Ljava/lang/Deprecated;
 field name MULTI_RELEASE descriptor Ljava/util/jar/Attributes$Name; flags 19
 
 class name java/util/jar/JarFile
@@ -3381,6 +3401,9 @@ method name finalize descriptor ()V thrownTypes java/io/IOException flags 4 depr
 class name javax/crypto/ExemptionMechanism
 -method name finalize descriptor ()V
 
+class name javax/crypto/SealedObject
+header extends java/lang/Object implements java/io/Serializable flags 21
+
 class name javax/net/ssl/ExtendedSSLSession
 method name getStatusResponses descriptor ()Ljava/util/List; flags 1 signature ()Ljava/util/List<[B>;
 
@@ -3388,12 +3411,6 @@ class name javax/net/ssl/HandshakeCompletedEvent
 -method name getPeerCertificateChain descriptor ()[Ljavax/security/cert/X509Certificate;
 method name getPeerCertificateChain descriptor ()[Ljavax/security/cert/X509Certificate; thrownTypes javax/net/ssl/SSLPeerUnverifiedException flags 1 deprecated true runtimeAnnotations @Ljava/lang/Deprecated;(since="9")
 
-class name javax/net/ssl/SSLEngine
-method name getApplicationProtocol descriptor ()Ljava/lang/String; flags 1
-method name getHandshakeApplicationProtocol descriptor ()Ljava/lang/String; flags 1
-method name setHandshakeApplicationProtocolSelector descriptor (Ljava/util/function/BiFunction;)V flags 1 signature (Ljava/util/function/BiFunction<Ljavax/net/ssl/SSLEngine;Ljava/util/List<Ljava/lang/String;>;Ljava/lang/String;>;)V
-method name getHandshakeApplicationProtocolSelector descriptor ()Ljava/util/function/BiFunction; flags 1 signature ()Ljava/util/function/BiFunction<Ljavax/net/ssl/SSLEngine;Ljava/util/List<Ljava/lang/String;>;Ljava/lang/String;>;
-
 class name javax/net/ssl/SSLEngineResult
 header extends java/lang/Object flags 21
 innerclass innerClass javax/net/ssl/SSLEngineResult$HandshakeStatus outerClass javax/net/ssl/SSLEngineResult innerClassName HandshakeStatus flags 4019
@@ -3409,19 +3426,11 @@ method name setEnableRetransmissions descriptor (Z)V flags 1
 method name getEnableRetransmissions descriptor ()Z flags 1
 method name setMaximumPacketSize descriptor (I)V flags 1
 method name getMaximumPacketSize descriptor ()I flags 1
-method name getApplicationProtocols descriptor ()[Ljava/lang/String; flags 1
-method name setApplicationProtocols descriptor ([Ljava/lang/String;)V flags 1
 
 class name javax/net/ssl/SSLSession
 -method name getPeerCertificateChain descriptor ()[Ljavax/security/cert/X509Certificate;
 method name getPeerCertificateChain descriptor ()[Ljavax/security/cert/X509Certificate; thrownTypes javax/net/ssl/SSLPeerUnverifiedException flags 401 deprecated true runtimeAnnotations @Ljava/lang/Deprecated;(since="9")
 
-class name javax/net/ssl/SSLSocket
-method name getApplicationProtocol descriptor ()Ljava/lang/String; flags 1
-method name getHandshakeApplicationProtocol descriptor ()Ljava/lang/String; flags 1
-method name setHandshakeApplicationProtocolSelector descriptor (Ljava/util/function/BiFunction;)V flags 1 signature (Ljava/util/function/BiFunction<Ljavax/net/ssl/SSLSocket;Ljava/util/List<Ljava/lang/String;>;Ljava/lang/String;>;)V
-method name getHandshakeApplicationProtocolSelector descriptor ()Ljava/util/function/BiFunction; flags 1 signature ()Ljava/util/function/BiFunction<Ljavax/net/ssl/SSLSocket;Ljava/util/List<Ljava/lang/String;>;Ljava/lang/String;>;
-
 class name javax/security/auth/Policy
 header extends java/lang/Object flags 421 deprecated true runtimeAnnotations @Ljava/lang/Deprecated;(since="1.4")
 

make/data/symbols/java.desktop-7.sym.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -77,6 +77,9 @@ class name javax/swing/ImageIcon
 field name component descriptor Ljava/awt/Component; flags 1c
 field name tracker descriptor Ljava/awt/MediaTracker; flags 1c
 
+class name javax/swing/JComboBox
+-method name processKeyBinding descriptor (Ljavax/swing/KeyStroke;Ljava/awt/event/KeyEvent;IZ)Z
+
 class name javax/swing/JComponent
 field name accessibleContext descriptor Ljavax/accessibility/AccessibleContext; flags 4
 -method name hide descriptor ()V
@@ -90,8 +93,12 @@ field name accessibleFocusHandler descriptor Ljava/awt/event/FocusListener; flag
 class name javax/swing/JDesktopPane
 -method name remove descriptor (Ljava/awt/Component;)V
 
-class name javax/swing/JViewport
--method name addNotify descriptor ()V
+class name javax/swing/JList$AccessibleJList$AccessibleJListChild
+method name getAccessibleAction descriptor ()Ljavax/accessibility/AccessibleAction; flags 1
+
+class name javax/swing/plaf/basic/BasicRadioButtonUI
+-method name installListeners descriptor (Ljavax/swing/AbstractButton;)V
+-method name uninstallListeners descriptor (Ljavax/swing/AbstractButton;)V
 
 class name javax/swing/tree/DefaultMutableTreeNode
 -method name setParent descriptor (Ljavax/swing/tree/MutableTreeNode;)V

make/data/symbols/java.desktop-8.sym.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -13524,6 +13524,7 @@ method name getItemAt descriptor (I)Ljava/lang/Object; flags 1 signature (I)TE;
 method name createDefaultKeySelectionManager descriptor ()Ljavax/swing/JComboBox$KeySelectionManager; flags 4
 method name paramString descriptor ()Ljava/lang/String; flags 4
 method name getAccessibleContext descriptor ()Ljavax/accessibility/AccessibleContext; flags 1
+method name processKeyBinding descriptor (Ljavax/swing/KeyStroke;Ljava/awt/event/KeyEvent;IZ)Z flags 4
 
 class name javax/swing/JComboBox$AccessibleJComboBox
 header extends javax/swing/JComponent$AccessibleJComponent implements javax/accessibility/AccessibleAction,javax/accessibility/AccessibleSelection flags 21
@@ -14604,7 +14605,6 @@ method name getAccessibleChild descriptor (I)Ljavax/accessibility/Accessible; fl
 method name getLocale descriptor ()Ljava/util/Locale; flags 1
 method name addPropertyChangeListener descriptor (Ljava/beans/PropertyChangeListener;)V flags 1
 method name removePropertyChangeListener descriptor (Ljava/beans/PropertyChangeListener;)V flags 1
-method name getAccessibleAction descriptor ()Ljavax/accessibility/AccessibleAction; flags 1
 method name getAccessibleComponent descriptor ()Ljavax/accessibility/AccessibleComponent; flags 1
 method name getAccessibleSelection descriptor ()Ljavax/accessibility/AccessibleSelection; flags 1
 method name getAccessibleText descriptor ()Ljavax/accessibility/AccessibleText; flags 1
@@ -16720,7 +16720,6 @@ method name updateUI descriptor ()V flags 1
 method name getUIClassID descriptor ()Ljava/lang/String; flags 1
 method name addImpl descriptor (Ljava/awt/Component;Ljava/lang/Object;I)V flags 4
 method name remove descriptor (Ljava/awt/Component;)V flags 1
-method name addNotify descriptor ()V flags 1
 method name scrollRectToVisible descriptor (Ljava/awt/Rectangle;)V flags 1
 method name setBorder descriptor (Ljavax/swing/border/Border;)V flags 11
 method name getInsets descriptor ()Ljava/awt/Insets; flags 11
@@ -20281,6 +20280,8 @@ method name getDefaultIcon descriptor ()Ljavax/swing/Icon; flags 1
 method name paint descriptor (Ljava/awt/Graphics;Ljavax/swing/JComponent;)V flags 21
 method name paintFocus descriptor (Ljava/awt/Graphics;Ljava/awt/Rectangle;Ljava/awt/Dimension;)V flags 4
 method name getPreferredSize descriptor (Ljavax/swing/JComponent;)Ljava/awt/Dimension; flags 1
+method name installListeners descriptor (Ljavax/swing/AbstractButton;)V flags 4
+method name uninstallListeners descriptor (Ljavax/swing/AbstractButton;)V flags 4
 
 class name javax/swing/plaf/basic/BasicRootPaneUI
 header extends javax/swing/plaf/RootPaneUI implements java/beans/PropertyChangeListener flags 21 classAnnotations @Ljdk/Profile+Annotation;(value=I4)

make/data/symbols/java.desktop-9.sym.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -2524,7 +2524,6 @@ method name getPopupMenuListeners descriptor ()[Ljavax/swing/event/PopupMenuList
 method name setAction descriptor (Ljavax/swing/Action;)V flags 1 runtimeAnnotations @Ljava/beans/BeanProperty;(visualUpdate=Ztrue,description="the\u005C;u0020;Action\u005C;u0020;instance\u005C;u0020;connected\u005C;u0020;with\u005C;u0020;this\u005C;u0020;ActionEvent\u005C;u0020;source")
 method name getSelectedObjects descriptor ()[Ljava/lang/Object; flags 1 runtimeAnnotations @Ljava/beans/BeanProperty;(bound=Zfalse)
 method name setEnabled descriptor (Z)V flags 1 runtimeAnnotations @Ljava/beans/BeanProperty;(description="The\u005C;u0020;enabled\u005C;u0020;state\u005C;u0020;of\u005C;u0020;the\u005C;u0020;component.",preferred=Ztrue)
-method name processKeyBinding descriptor (Ljavax/swing/KeyStroke;Ljava/awt/event/KeyEvent;IZ)Z flags 4
 method name setKeySelectionManager descriptor (Ljavax/swing/JComboBox$KeySelectionManager;)V flags 1 runtimeAnnotations @Ljava/beans/BeanProperty;(expert=Ztrue,bound=Zfalse,description="The\u005C;u0020;objects\u005C;u0020;that\u005C;u0020;changes\u005C;u0020;the\u005C;u0020;selection\u005C;u0020;when\u005C;u0020;a\u005C;u0020;key\u005C;u0020;is\u005C;u0020;pressed.")
 method name getItemCount descriptor ()I flags 1 runtimeAnnotations @Ljava/beans/BeanProperty;(bound=Zfalse)
 method name getAccessibleContext descriptor ()Ljavax/accessibility/AccessibleContext; flags 1 runtimeAnnotations @Ljava/beans/BeanProperty;(bound=Zfalse)
@@ -3039,6 +3038,7 @@ class name javax/swing/JList$AccessibleJList$AccessibleJListChild
 header extends javax/accessibility/AccessibleContext implements javax/accessibility/Accessible,javax/accessibility/AccessibleComponent,javax/accessibility/AccessibleAction flags 21
 innerclass innerClass javax/swing/JList$AccessibleJList outerClass javax/swing/JList innerClassName AccessibleJList flags 4
 innerclass innerClass javax/swing/JList$AccessibleJList$AccessibleJListChild outerClass javax/swing/JList$AccessibleJList innerClassName AccessibleJListChild flags 4
+method name getAccessibleAction descriptor ()Ljavax/accessibility/AccessibleAction; flags 1
 method name doAccessibleAction descriptor (I)Z flags 1
 method name getAccessibleActionDescription descriptor (I)Ljava/lang/String; flags 1
 method name getAccessibleActionCount descriptor ()I flags 1
@@ -3907,7 +3907,6 @@ innerclass innerClass javax/swing/JViewport$AccessibleJViewport outerClass javax
 innerclass innerClass javax/swing/JViewport$ViewListener outerClass javax/swing/JViewport innerClassName ViewListener flags 4
 innerclass innerClass java/lang/invoke/MethodHandles$Lookup outerClass java/lang/invoke/MethodHandles innerClassName Lookup flags 19
 -method name setUI descriptor (Ljavax/swing/plaf/ViewportUI;)V
--method name addNotify descriptor ()V
 -method name getInsets descriptor (Ljava/awt/Insets;)Ljava/awt/Insets;
 -method name setScrollMode descriptor (I)V
 method name setUI descriptor (Ljavax/swing/plaf/ViewportUI;)V flags 1 runtimeAnnotations @Ljava/beans/BeanProperty;(hidden=Ztrue,visualUpdate=Ztrue,description="The\u005C;u0020;UI\u005C;u0020;object\u005C;u0020;that\u005C;u0020;implements\u005C;u0020;the\u005C;u0020;Component's\u005C;u0020;LookAndFeel.")
@@ -4402,8 +4401,6 @@ innerclass innerClass java/lang/invoke/MethodHandles$Lookup outerClass java/lang
 class name javax/swing/plaf/basic/BasicRadioButtonUI
 header extends javax/swing/plaf/basic/BasicToggleButtonUI flags 21
 innerclass innerClass java/lang/invoke/MethodHandles$Lookup outerClass java/lang/invoke/MethodHandles innerClassName Lookup flags 19
-method name installListeners descriptor (Ljavax/swing/AbstractButton;)V flags 4
-method name uninstallListeners descriptor (Ljavax/swing/AbstractButton;)V flags 4
 
 class name javax/swing/plaf/basic/BasicScrollBarUI
 header extends javax/swing/plaf/ScrollBarUI implements java/awt/LayoutManager,javax/swing/SwingConstants flags 21

make/data/symbols/symbols

@@ -27,7 +27,7 @@
 # ##########################################################
 #
 #command used to generate this file:
-#build.tools.symbolgenerator.CreateSymbols build-description-incremental symbols include.list
+#build.tools.symbolgenerator.CreateSymbols build-description-incremental-file symbols include.list 8 jdk8-updated.classes <none> --normalize-method-flags
 #
 generate platforms 6:7:8:9:A
 platform version 8 files java.activation-8.sym.txt:java.base-8.sym.txt:java.compiler-8.sym.txt:java.corba-8.sym.txt:java.datatransfer-8.sym.txt:java.desktop-8.sym.txt:java.instrument-8.sym.txt:java.logging-8.sym.txt:java.management-8.sym.txt:java.management.rmi-8.sym.txt:java.naming-8.sym.txt:java.prefs-8.sym.txt:java.rmi-8.sym.txt:java.scripting-8.sym.txt:java.security.jgss-8.sym.txt:java.security.sasl-8.sym.txt:java.sql-8.sym.txt:java.sql.rowset-8.sym.txt:java.transaction-8.sym.txt:java.xml-8.sym.txt:java.xml.bind-8.sym.txt:java.xml.crypto-8.sym.txt:java.xml.ws-8.sym.txt:java.xml.ws.annotation-8.sym.txt:jdk.httpserver-8.sym.txt:jdk.management-8.sym.txt:jdk.scripting.nashorn-8.sym.txt:jdk.sctp-8.sym.txt:jdk.security.auth-8.sym.txt:jdk.security.jgss-8.sym.txt

make/data/tzdata/VERSION

@@ -21,4 +21,4 @@
 # or visit www.oracle.com if you need additional information or have any
 # questions.
 #
-tzdata2020a
+tzdata2021a

make/data/tzdata/africa

@@ -87,7 +87,7 @@
 # Corrections are welcome.
 
 # Algeria
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Algeria	1916	only	-	Jun	14	23:00s	1:00	S
 Rule	Algeria	1916	1919	-	Oct	Sun>=1	23:00s	0	-
 Rule	Algeria	1917	only	-	Mar	24	23:00s	1:00	S
@@ -110,10 +110,9 @@ Rule	Algeria	1978	only	-	Mar	24	 1:00	1:00	S
 Rule	Algeria	1978	only	-	Sep	22	 3:00	0	-
 Rule	Algeria	1980	only	-	Apr	25	 0:00	1:00	S
 Rule	Algeria	1980	only	-	Oct	31	 2:00	0	-
-# Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
-# more precise 0:09:21.
+# See Europe/Paris for PMT-related transitions.
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
-Zone	Africa/Algiers	0:12:12 -	LMT	1891 Mar 15  0:01
+Zone	Africa/Algiers	0:12:12 -	LMT	1891 Mar 16
 			0:09:21	-	PMT	1911 Mar 11 # Paris Mean Time
 			0:00	Algeria	WE%sT	1940 Feb 25  2:00
 			1:00	Algeria	CE%sT	1946 Oct  7
@@ -199,7 +198,7 @@ Link Africa/Abidjan Atlantic/St_Helena	# St Helena
 # Egypt was mean noon at the Great Pyramid, 2:04:30.5, but apparently this
 # did not apply to Cairo, Alexandria, or Port Said.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Egypt	1940	only	-	Jul	15	0:00	1:00	S
 Rule	Egypt	1940	only	-	Oct	 1	0:00	0	-
 Rule	Egypt	1941	only	-	Apr	15	0:00	1:00	S
@@ -410,36 +409,87 @@ Zone	Africa/Cairo	2:05:09 -	LMT	1900 Oct
 
 # Ghana
 
-# From Paul Eggert (2018-01-30):
-# Whitman says DST was observed from 1931 to "the present";
-# Shanks & Pottenger say 1936 to 1942 with 20 minutes of DST,
-# with transitions on 09-01 and 12-31 at 00:00.
-# Page 33 of Parish GCB, Colonial Reports - Annual. No. 1066. Gold
-# Coast. Report for 1919. (March 1921), OCLC 784024077
-# http://libsysdigi.library.illinois.edu/ilharvest/africana/books2011-05/5530214/5530214_1919/5530214_1919_opt.pdf
-# lists the Determination of the Time Ordinance, 1919, No. 18,
-# "to advance the time observed locally by the space of twenty minutes
-# during the last four months of each year; the object in view being
-# to extend during those months the period of daylight-time available
-# for evening recreation after office hours."
-# Vanessa Ogle, The Global Transformation of Time, 1870-1950 (2015), p 33,
-# writes "In 1919, the Gold Coast (Ghana as of 1957) made Greenwich
-# time its legal time and simultaneously legalized a summer time of
-# UTC - 00:20 minutes from March to October."; a footnote lists
-# the ordinance as being dated 1919-11-24.
-# The Crown Colonist, Volume 12 (1942), p 176, says "the Government
-# intend advancing Gold Coast time half an hour ahead of G.M.T.
-# The actual date of the alteration has not yet been announced."
-# These sources are incomplete and contradictory.  Possibly what is
-# now Ghana observed different DST regimes in different years.  For
-# lack of better info, use Shanks except treat the minus sign as a
-# typo, and assume DST started in 1920 not 1936.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Ghana	1920	1942	-	Sep	 1	0:00	0:20	-
-Rule	Ghana	1920	1942	-	Dec	31	0:00	0	-
+# From P Chan (2020-11-20):
+# Interpretation Amendment Ordinance, 1915 (No.24 of 1915) [1915-11-02]
+# Ordinances of the Gold Coast, Ashanti, Northern Territories 1915, p 69-71
+# https://books.google.com/books?id=ErA-AQAAIAAJ&pg=PA70
+# This Ordinance added "'Time' shall mean Greenwich Mean Time" to the
+# Interpretation Ordinance, 1876.
+#
+# Determination of the Time Ordinance, 1919 (No. 18 of 1919) [1919-11-24]
+# Ordinances of the Gold Coast, Ashanti, Northern Territories 1919, p 75-76
+# https://books.google.com/books?id=MbA-AQAAIAAJ&pg=PA75
+# This Ordinance removed the previous definition of time and introduced DST.
+#
+# Time Determination Ordinance (Cap. 214)
+# The Laws of the Gold Coast (including Togoland Under British Mandate)
+# Vol. II (1937), p 2328
+# https://books.google.com/books?id=Z7M-AQAAIAAJ&pg=PA2328
+# Revised edition of the 1919 Ordinance.
+#
+# Time Determination (Amendment) Ordinance, 1940 (No. 9 of 1940) [1940-04-06]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1940, p 22
+# https://books.google.com/books?id=1ao-AQAAIAAJ&pg=PA22
+# This Ordinance changed the forward transition from September to May.
+#
+# Defence (Time Determination Ordinance Amendment) Regulations, 1942
+# (Regulations No. 6 of 1942) [1942-01-31, commenced on 1942-02-08]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1942, p 48
+# https://books.google.com/books?id=Das-AQAAIAAJ&pg=PA48
+# These regulations advanced the [standard] time by thirty minutes.
+#
+# Defence (Time Determination Ordinance Amendment (No.2)) Regulations,
+# 1942 (Regulations No. 28 of 1942) [1942-04-25]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1942, p 87
+# https://books.google.com/books?id=Das-AQAAIAAJ&pg=PA87
+# These regulations abolished DST and changed the time to GMT+0:30.
+#
+# Defence (Revocation) (No.4) Regulations, 1945 (Regulations No. 45 of
+# 1945) [1945-10-24, commenced on 1946-01-06]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1945, p 256
+# https://books.google.com/books?id=9as-AQAAIAAJ&pg=PA256
+# These regulations revoked the previous two sets of Regulations.
+#
+# Time Determination (Amendment) Ordinance, 1945 (No. 18 of 1945) [1946-01-06]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1945, p 69
+# https://books.google.com/books?id=9as-AQAAIAAJ&pg=PA69
+# This Ordinance abolished DST.
+#
+# Time Determination (Amendment) Ordinance, 1950 (No. 26 of 1950) [1950-07-22]
+# Annual Volume of the Laws of the Gold Coast:
+# Containing All Legislation Enacted During Year 1950, p 35
+# https://books.google.com/books?id=e60-AQAAIAAJ&pg=PA35
+# This Ordinance restored DST but with thirty minutes offset.
+#
+# Time Determination Ordinance (Cap. 264)
+# The Laws of the Gold Coast, Vol. V (1954), p 380
+# https://books.google.com/books?id=Mqc-AQAAIAAJ&pg=PA380
+# Revised edition of the Time Determination Ordinance.
+#
+# Time Determination (Amendment) Ordinance, 1956 (No. 21 of 1956) [1956-08-29]
+# Annual Volume of the Ordinances of the Gold Coast Enacted During the
+# Year 1956, p 83
+# https://books.google.com/books?id=VLE-AQAAIAAJ&pg=PA83
+# This Ordinance abolished DST.
+
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
+Rule	Ghana	1919	only	-	Nov	24	0:00	0:20	+0020
+Rule	Ghana	1920	1942	-	Jan	 1	2:00	0	GMT
+Rule	Ghana	1920	1939	-	Sep	 1	2:00	0:20	+0020
+Rule	Ghana	1940	1941	-	May	 1	2:00	0:20	+0020
+Rule	Ghana	1950	1955	-	Sep	 1	2:00	0:30	+0030
+Rule	Ghana	1951	1956	-	Jan	 1	2:00	0	GMT
+
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
-Zone	Africa/Accra	-0:00:52 -	LMT	1918
-			 0:00	Ghana	GMT/+0020
+Zone	Africa/Accra	-0:00:52 -	LMT	1915 Nov  2
+			 0:00	Ghana	%s	1942 Feb  8
+			 0:30	-	+0030	1946 Jan  6
+			 0:00	Ghana	%s
 
 # Guinea
 # See Africa/Abidjan.
@@ -457,11 +507,54 @@ Zone	Africa/Bissau	-1:02:20 -	LMT	1912 Jan  1  1:00u
 			 0:00	-	GMT
 
 # Kenya
+
+# From P Chan (2020-10-24):
+#
+# The standard time of GMT+2:30 was adopted in the East Africa Protectorate....
+# [The Official Gazette, 1908-05-01, p 274]
+# https://books.google.com/books?id=e-cAC-sjPSEC&pg=PA274
+#
+# At midnight on 30 June 1928 the clocks throughout Kenya was put forward
+# half an hour by the Alteration of Time Ordinance, 1928.
+# https://gazettes.africa/archive/ke/1928/ke-government-gazette-dated-1928-05-11-no-28.pdf
+# [Ordinance No. 11 of 1928, The Offical Gazette, 1928-06-26, p 813]
+# https://books.google.com/books?id=2S0S6os32ZUC&pg=PA813
+#
+# The 1928 ordinance was repealed by the Alteration of Time (repeal) Ordinance,
+# 1929 and the time was restored to GMT+2:30 at midnight on 4 January 1930.
+# [Ordinance No. 97 of 1929, The Official Gazette, 1929-12-31, p 2701]
+# https://books.google.com/books?id=_g18jIZQlwwC&pg=PA2701
+#
+# The Alteration of Time Ordinance, 1936 changed the time to GMT+2:45
+# and repealed the previous ordinance at midnight on 31 December 1936.
+# [The Official Gazette, 1936-07-21, p 705]
+# https://books.google.com/books?id=K7j41z0aC5wC&pg=PA705
+#
+# The Defence (Amendment of Laws No. 120) Regulations changed the time
+# to GMT+3 at midnight on 31 July 1942.
+# [Kenya Official Gazette Supplement No. 32, 1942-07-21, p 331]
+# https://books.google.com/books?hl=zh-TW&id=c_E-AQAAIAAJ&pg=PA331
+# The provision of the 1936 ordinance was not repealed and was later
+# incorporated in the Interpretation and General Clauses Ordinance in 1948.
+# Although it was overridden by the 1942 regulations.
+# [The Laws of Kenya in force on 1948-09-21, Title I, Chapter 1, 31]
+# https://dds.crl.edu/item/217517 (p.101)
+# In 1950 the Interpretation and General Clauses Ordinance was amended to adopt
+# GMT+3 permanently as the 1942 regulations were due to expire on 10 December.
+# https://books.google.com/books?id=jvR8mUDAwR0C&pg=PA787
+# [Ordinance No. 44 of 1950, Kenya Ordinances 1950, Vol. XXIX, p 294]
+# https://books.google.com/books?id=-_dQAQAAMAAJ&pg=PA294
+
+# From Paul Eggert (2020-10-24):
+# The 1908-05-01 announcement does not give an effective date,
+# so just say "1908 May".
+
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
-Zone	Africa/Nairobi	2:27:16	-	LMT	1928 Jul
-			3:00	-	EAT	1930
-			2:30	-	+0230	1940
-			2:45	-	+0245	1960
+Zone	Africa/Nairobi	2:27:16	-	LMT	1908 May
+			2:30	-	+0230	1928 Jun 30 24:00
+			3:00	-	EAT	1930 Jan  4 24:00
+			2:30	-	+0230	1936 Dec 31 24:00
+			2:45	-	+0245	1942 Jul 31 24:00
 			3:00	-	EAT
 Link Africa/Nairobi Africa/Addis_Ababa	 # Ethiopia
 Link Africa/Nairobi Africa/Asmara	 # Eritrea
@@ -524,7 +617,7 @@ Zone	Africa/Monrovia	-0:43:08 -	LMT	1882
 # From Paul Eggert (2013-10-25):
 # For now, assume they're reverting to the pre-2012 rules of permanent UT +02.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Libya	1951	only	-	Oct	14	2:00	1:00	S
 Rule	Libya	1952	only	-	Jan	 1	0:00	0	-
 Rule	Libya	1953	only	-	Oct	 9	2:00	1:00	S
@@ -647,7 +740,7 @@ Zone	Africa/Tripoli	0:52:44 -	LMT	1920
 # "The trial ended on March 29, 2009, when the clocks moved back by one hour
 # at 2am (or 02:00) local time..."
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule Mauritius	1982	only	-	Oct	10	0:00	1:00	-
 Rule Mauritius	1983	only	-	Mar	21	0:00	0	-
 Rule Mauritius	2008	only	-	Oct	lastSun	2:00	1:00	-
@@ -898,17 +991,30 @@ Zone Indian/Mauritius	3:50:00 -	LMT	1907 # Port Louis
 # https://maroc-diplomatique.net/maroc-le-retour-a-lheure-gmt-est-prevu-dimanche-prochain/
 # http://aujourdhui.ma/actualite/gmt1-retour-a-lheure-normale-dimanche-prochain-1
 #
-# From Paul Eggert (2020-04-14):
+# From Milamber (2020-05-31)
+# In Morocco (where I live), the end of Ramadan (Arabic month) is followed by
+# the Eid al-Fitr, and concretely it's 1 or 2 day offs for the people (with
+# traditional visiting of family, big lunches/dinners, etc.).  So for this
+# year the astronomical calculations don't include the following 2 days off in
+# the calc.  These 2 days fall in a Sunday/Monday, so it's not acceptable by
+# people to have a time shift during these 2 days off.  Perhaps you can modify
+# the (predicted) rules for next years: if the end of Ramadan is a (probable)
+# Friday or Saturday (and so the 2 days off are on a weekend), the next time
+# shift will be the next weekend.
+#
+# From Paul Eggert (2020-05-31):
 # For now, guess that in the future Morocco will fall back at 03:00
 # the last Sunday before Ramadan, and spring forward at 02:00 the
-# first Sunday after the day after Ramadan.  To implement this,
-# transition dates for 2021 through 2087 were determined by running
-# the following program under GNU Emacs 26.3.
-# (let ((islamic-year 1442))
+# first Sunday after two days after Ramadan.  To implement this,
+# transition dates and times for 2019 through 2087 were determined by
+# running the following program under GNU Emacs 26.3.  (This algorithm
+# also produces the correct transition dates for 2016 through 2018,
+# though the times differ due to Morocco's time zone change in 2018.)
+# (let ((islamic-year 1440))
 #   (require 'cal-islam)
 #   (while (< islamic-year 1511)
 #     (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year)))
-#           (b (1+ (calendar-islamic-to-absolute (list 10 1 islamic-year))))
+#           (b (+ 2 (calendar-islamic-to-absolute (list 10 1 islamic-year))))
 #           (sunday 0))
 #       (while (/= sunday (mod (setq a (1- a)) 7)))
 #       (while (/= sunday (mod b 7))
@@ -923,7 +1029,7 @@ Zone Indian/Mauritius	3:50:00 -	LMT	1907 # Port Louis
 #         (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b)))))
 #     (setq islamic-year (+ 1 islamic-year))))
 
-# RULE	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Morocco	1939	only	-	Sep	12	 0:00	1:00	-
 Rule	Morocco	1939	only	-	Nov	19	 0:00	0	-
 Rule	Morocco	1940	only	-	Feb	25	 0:00	1:00	-
@@ -974,7 +1080,7 @@ Rule	Morocco	2021	only	-	May	16	 2:00	0	-
 Rule	Morocco	2022	only	-	Mar	27	 3:00	-1:00	-
 Rule	Morocco	2022	only	-	May	 8	 2:00	0	-
 Rule	Morocco	2023	only	-	Mar	19	 3:00	-1:00	-
-Rule	Morocco	2023	only	-	Apr	23	 2:00	0	-
+Rule	Morocco	2023	only	-	Apr	30	 2:00	0	-
 Rule	Morocco	2024	only	-	Mar	10	 3:00	-1:00	-
 Rule	Morocco	2024	only	-	Apr	14	 2:00	0	-
 Rule	Morocco	2025	only	-	Feb	23	 3:00	-1:00	-
@@ -990,7 +1096,7 @@ Rule	Morocco	2029	only	-	Feb	18	 2:00	0	-
 Rule	Morocco	2029	only	-	Dec	30	 3:00	-1:00	-
 Rule	Morocco	2030	only	-	Feb	10	 2:00	0	-
 Rule	Morocco	2030	only	-	Dec	22	 3:00	-1:00	-
-Rule	Morocco	2031	only	-	Jan	26	 2:00	0	-
+Rule	Morocco	2031	only	-	Feb	 2	 2:00	0	-
 Rule	Morocco	2031	only	-	Dec	14	 3:00	-1:00	-
 Rule	Morocco	2032	only	-	Jan	18	 2:00	0	-
 Rule	Morocco	2032	only	-	Nov	28	 3:00	-1:00	-
@@ -1006,7 +1112,7 @@ Rule	Morocco	2036	only	-	Nov	23	 2:00	0	-
 Rule	Morocco	2037	only	-	Oct	 4	 3:00	-1:00	-
 Rule	Morocco	2037	only	-	Nov	15	 2:00	0	-
 Rule	Morocco	2038	only	-	Sep	26	 3:00	-1:00	-
-Rule	Morocco	2038	only	-	Oct	31	 2:00	0	-
+Rule	Morocco	2038	only	-	Nov	 7	 2:00	0	-
 Rule	Morocco	2039	only	-	Sep	18	 3:00	-1:00	-
 Rule	Morocco	2039	only	-	Oct	23	 2:00	0	-
 Rule	Morocco	2040	only	-	Sep	 2	 3:00	-1:00	-
@@ -1022,7 +1128,7 @@ Rule	Morocco	2044	only	-	Aug	28	 2:00	0	-
 Rule	Morocco	2045	only	-	Jul	 9	 3:00	-1:00	-
 Rule	Morocco	2045	only	-	Aug	20	 2:00	0	-
 Rule	Morocco	2046	only	-	Jul	 1	 3:00	-1:00	-
-Rule	Morocco	2046	only	-	Aug	 5	 2:00	0	-
+Rule	Morocco	2046	only	-	Aug	12	 2:00	0	-
 Rule	Morocco	2047	only	-	Jun	23	 3:00	-1:00	-
 Rule	Morocco	2047	only	-	Jul	28	 2:00	0	-
 Rule	Morocco	2048	only	-	Jun	 7	 3:00	-1:00	-
@@ -1038,7 +1144,7 @@ Rule	Morocco	2052	only	-	Jun	 2	 2:00	0	-
 Rule	Morocco	2053	only	-	Apr	13	 3:00	-1:00	-
 Rule	Morocco	2053	only	-	May	25	 2:00	0	-
 Rule	Morocco	2054	only	-	Apr	 5	 3:00	-1:00	-
-Rule	Morocco	2054	only	-	May	10	 2:00	0	-
+Rule	Morocco	2054	only	-	May	17	 2:00	0	-
 Rule	Morocco	2055	only	-	Mar	28	 3:00	-1:00	-
 Rule	Morocco	2055	only	-	May	 2	 2:00	0	-
 Rule	Morocco	2056	only	-	Mar	12	 3:00	-1:00	-
@@ -1054,7 +1160,7 @@ Rule	Morocco	2060	only	-	Mar	 7	 2:00	0	-
 Rule	Morocco	2061	only	-	Jan	16	 3:00	-1:00	-
 Rule	Morocco	2061	only	-	Feb	27	 2:00	0	-
 Rule	Morocco	2062	only	-	Jan	 8	 3:00	-1:00	-
-Rule	Morocco	2062	only	-	Feb	12	 2:00	0	-
+Rule	Morocco	2062	only	-	Feb	19	 2:00	0	-
 Rule	Morocco	2062	only	-	Dec	31	 3:00	-1:00	-
 Rule	Morocco	2063	only	-	Feb	 4	 2:00	0	-
 Rule	Morocco	2063	only	-	Dec	16	 3:00	-1:00	-
@@ -1070,7 +1176,7 @@ Rule	Morocco	2067	only	-	Dec	11	 2:00	0	-
 Rule	Morocco	2068	only	-	Oct	21	 3:00	-1:00	-
 Rule	Morocco	2068	only	-	Dec	 2	 2:00	0	-
 Rule	Morocco	2069	only	-	Oct	13	 3:00	-1:00	-
-Rule	Morocco	2069	only	-	Nov	17	 2:00	0	-
+Rule	Morocco	2069	only	-	Nov	24	 2:00	0	-
 Rule	Morocco	2070	only	-	Oct	 5	 3:00	-1:00	-
 Rule	Morocco	2070	only	-	Nov	 9	 2:00	0	-
 Rule	Morocco	2071	only	-	Sep	20	 3:00	-1:00	-
@@ -1086,7 +1192,7 @@ Rule	Morocco	2075	only	-	Sep	15	 2:00	0	-
 Rule	Morocco	2076	only	-	Jul	26	 3:00	-1:00	-
 Rule	Morocco	2076	only	-	Sep	 6	 2:00	0	-
 Rule	Morocco	2077	only	-	Jul	18	 3:00	-1:00	-
-Rule	Morocco	2077	only	-	Aug	22	 2:00	0	-
+Rule	Morocco	2077	only	-	Aug	29	 2:00	0	-
 Rule	Morocco	2078	only	-	Jul	10	 3:00	-1:00	-
 Rule	Morocco	2078	only	-	Aug	14	 2:00	0	-
 Rule	Morocco	2079	only	-	Jun	25	 3:00	-1:00	-
@@ -1096,13 +1202,13 @@ Rule	Morocco	2080	only	-	Jul	21	 2:00	0	-
 Rule	Morocco	2081	only	-	Jun	 1	 3:00	-1:00	-
 Rule	Morocco	2081	only	-	Jul	13	 2:00	0	-
 Rule	Morocco	2082	only	-	May	24	 3:00	-1:00	-
-Rule	Morocco	2082	only	-	Jun	28	 2:00	0	-
+Rule	Morocco	2082	only	-	Jul	 5	 2:00	0	-
 Rule	Morocco	2083	only	-	May	16	 3:00	-1:00	-
 Rule	Morocco	2083	only	-	Jun	20	 2:00	0	-
 Rule	Morocco	2084	only	-	Apr	30	 3:00	-1:00	-
 Rule	Morocco	2084	only	-	Jun	11	 2:00	0	-
 Rule	Morocco	2085	only	-	Apr	22	 3:00	-1:00	-
-Rule	Morocco	2085	only	-	May	27	 2:00	0	-
+Rule	Morocco	2085	only	-	Jun	 3	 2:00	0	-
 Rule	Morocco	2086	only	-	Apr	14	 3:00	-1:00	-
 Rule	Morocco	2086	only	-	May	19	 2:00	0	-
 Rule	Morocco	2087	only	-	Mar	30	 3:00	-1:00	-
@@ -1203,7 +1309,7 @@ Link Africa/Maputo Africa/Lusaka	# Zambia
 # Use plain "WAT" and "CAT" for the time zone abbreviations, to be compatible
 # with Namibia's neighbors.
 
-# RULE	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 # Vanguard section, for zic and other parsers that support negative DST.
 Rule	Namibia	1994	only	-	Mar	21	0:00	-1:00	WAT
 Rule	Namibia	1994	2017	-	Sep	Sun>=1	2:00	0	CAT
@@ -1235,8 +1341,69 @@ Zone	Africa/Windhoek	1:08:24 -	LMT	1892 Feb 8
 # See Africa/Lagos.
 
 # Nigeria
+
+# From P Chan (2020-12-03):
+# GMT was adopted as the standard time of Lagos on 1905-07-01.
+# Lagos Weekly Record, 1905-06-24, p 3
+# http://ddsnext.crl.edu/titles/31558#?c=0&m=668&s=0&cv=2&r=0&xywh=1446%2C5221%2C1931%2C1235
+# says "It is officially notified that on and after the 1st of July 1905
+# Greenwich Mean Solar Time will be adopted thought the Colony and
+# Protectorate, and that it will be necessary to put all clocks 13 minutes and
+# 35 seconds back, recording local mean time."
+#
+# It seemed that Lagos returned to LMT on 1908-07-01.
+# [The Lagos Standard], 1908-07-01, p 5
+# http://ddsnext.crl.edu/titles/31556#?c=0&m=78&s=0&cv=4&r=0&xywh=-92%2C3590%2C3944%2C2523
+# says "Scarcely have the people become accustomed to this new time, when
+# another official notice has now appeared announcing that from and after the
+# 1st July next, return will be made to local mean time."
+#
+# From P Chan (2020-11-27):
+# On 1914-01-01, standard time of GMT+0:30 was adopted for the unified Nigeria.
+# Colonial Reports - Annual. No. 878. Nigeria. Report for 1914. (April 1916),
+# p 27
+# https://libsysdigi.library.illinois.edu/ilharvest/Africana/Books2011-05/3064634/3064634_1914/3064634_1914_opt.pdf#page=27
+# "On January 1st [1914], a universal standard time for Nigeria was adopted,
+# viz., half an hour fast on Greenwich mean time, corresponding to the meridian
+# 7 [degrees] 30' E. long."
+# Lloyd's Register of Shipping (1915) says "Hitherto the time observed in Lagos
+# was the local mean time. On 1st January, 1914, standard time for the whole of
+# Nigeria was introduced ... Lagos time has been advanced about 16 minutes
+# accordingly."
+#
+# In 1919, standard time was changed to GMT+1.
+# Interpretation Ordinance (Cap 2)
+# The Laws of Nigeria, Containing the Ordinances of Nigeria, in Force on the
+# 1st Day of January, 1923, Vol.I [p 16]
+# https://books.google.com/books?id=BOMrAQAAMAAJ&pg=PA16
+# "The expression 'Standard time' means standard time as used in Nigeria:
+# namely, 60 minutes in advance of Greenwich mean time.  (As amended by 18 of
+# 1919, s. 2.)"
+# From Tim Parenti (2020-12-10):
+# The Lagos Weekly Record, 1919-09-20, p 3 details discussion on the first
+# reading of this Bill by the Legislative Council of the Colony of Nigeria on
+# Thursday 1919-08-28:
+# http://ddsnext.crl.edu/titles/31558?terms&item_id=303484#?m=1118&c=1&s=0&cv=2&r=0&xywh=1261%2C3408%2C2994%2C1915
+# "The proposal is that the Globe should be divided into twelve zones East and
+# West of Greenwich, of one hour each, Nigeria falling into the zone with a
+# standard of one hour fast on Greenwich Mean Time.  Nigeria standard time is
+# now 30 minutes in advance of Greenwich Mean Time ... according to the new
+# proposal, standard time will be advanced another 30 minutes".  It was further
+# proposed that the firing of the time guns likewise be adjusted by 30 minutes
+# to compensate.
+# From Tim Parenti (2020-12-10), per P Chan (2020-12-11):
+# The text of Ordinance 18 of 1919, published in Nigeria Gazette, Vol 6, No 52,
+# shows that the change was assented to the following day and took effect "on
+# the 1st day of September, 1919."
+# Nigeria Gazette and Supplements 1919 Jan-Dec, Reference: 73266B-40,
+# img 245-246
+# https://microform.digital/boa/collections/77/volumes/539/nigeria-lagos-1887-1919
+
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
-Zone	Africa/Lagos	0:13:36 -	LMT	1919 Sep
+Zone	Africa/Lagos	0:13:35 -	LMT	1905 Jul  1
+			0:00	-	GMT	1908 Jul  1
+			0:13:35	-	LMT	1914 Jan  1
+			0:30	-	+0030	1919 Sep  1
 			1:00	-	WAT
 Link Africa/Lagos Africa/Bangui	     # Central African Republic
 Link Africa/Lagos Africa/Brazzaville # Rep. of the Congo
@@ -1309,8 +1476,21 @@ Zone	Africa/Sao_Tome	 0:26:56 -	LMT	1884
 # See Africa/Abidjan.
 
 # Seychelles
+
+# From P Chan (2020-11-27):
+# Standard Time was adopted on 1907-01-01.
+#
+# Standard Time Ordinance (Chapter 237)
+# The Laws of Seychelles in Force on the 31st December, 1971, Vol. 6, p 571
+# https://books.google.com/books?id=efE-AQAAIAAJ&pg=PA571
+#
+# From Tim Parenti (2020-12-05):
+# A footnote on https://books.google.com/books?id=DYdDAQAAMAAJ&pg=PA1689
+# confirms that Ordinance No. 9 of 1906 "was brought into force on the 1st
+# January, 1907."
+
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
-Zone	Indian/Mahe	3:41:48 -	LMT	1906 Jun # Victoria
+Zone	Indian/Mahe	3:41:48 -	LMT	1907 Jan  1 # Victoria
 			4:00	-	+04
 # From Paul Eggert (2001-05-30):
 # Aldabra, Farquhar, and Desroches, originally dependencies of the
@@ -1326,7 +1506,7 @@ Zone	Indian/Mahe	3:41:48 -	LMT	1906 Jun # Victoria
 # See Africa/Nairobi.
 
 # South Africa
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	SA	1942	1943	-	Sep	Sun>=15	2:00	1:00	-
 Rule	SA	1943	1944	-	Mar	Sun>=15	2:00	0	-
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
@@ -1359,7 +1539,7 @@ Link Africa/Johannesburg Africa/Mbabane    # Eswatini
 # Abdalla of NTC, archived at:
 # https://mm.icann.org/pipermail/tz/2017-October/025333.html
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Sudan	1970	only	-	May	 1	0:00	1:00	S
 Rule	Sudan	1970	1985	-	Oct	15	0:00	0	-
 Rule	Sudan	1971	only	-	Apr	30	0:00	1:00	S
@@ -1370,11 +1550,17 @@ Zone	Africa/Khartoum	2:10:08 -	LMT	1931
 			3:00	-	EAT	2017 Nov  1
 			2:00	-	CAT
 
+# From Steffen Thorsen (2021-01-18):
+# "South Sudan will change its time zone by setting the clock back 1
+# hour on February 1, 2021...."
+# from https://eyeradio.org/south-sudan-adopts-new-time-zone-makuei/
+
 # South Sudan
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Africa/Juba	2:06:28 -	LMT	1931
 			2:00	Sudan	CA%sT	2000 Jan 15 12:00
-			3:00	-	EAT
+			3:00	-	EAT	2021 Feb  1 00:00
+			2:00	-	CAT
 
 # Tanzania
 # See Africa/Nairobi.
@@ -1447,7 +1633,7 @@ Zone	Africa/Juba	2:06:28 -	LMT	1931
 # http://www.almadenahnews.com/newss/news.php?c=118&id=38036
 # http://www.worldtimezone.com/dst_news/dst_news_tunis02.html
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Tunisia	1939	only	-	Apr	15	23:00s	1:00	S
 Rule	Tunisia	1939	only	-	Nov	18	23:00s	0	-
 Rule	Tunisia	1940	only	-	Feb	25	23:00s	1:00	S
@@ -1474,9 +1660,7 @@ Rule	Tunisia	2005	only	-	Sep	30	 1:00s	0	-
 Rule	Tunisia	2006	2008	-	Mar	lastSun	 2:00s	1:00	S
 Rule	Tunisia	2006	2008	-	Oct	lastSun	 2:00s	0	-
 
-# Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
-# more precise 0:09:21.
-# Shanks & Pottenger say the 1911 switch was on Mar 9; go with Howse's Mar 11.
+# See Europe/Paris for PMT-related transitions.
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Africa/Tunis	0:40:44 -	LMT	1881 May 12
 			0:09:21	-	PMT	1911 Mar 11 # Paris Mean Time

make/data/tzdata/antarctica

@@ -93,15 +93,30 @@
 # Australian Antarctica Division informed us that Casey changed time
 # zone to UTC+11 in "the morning of 22nd October 2016".
 
+# From Steffen Thorsen (2020-10-02, as corrected):
+# Based on information we have received from the Australian Antarctic
+# Division, Casey station and Macquarie Island station will move to Tasmanian
+# daylight savings time on Sunday 4 October. This will take effect from 0001
+# hrs on Sunday 4 October 2020 and will mean Casey and Macquarie Island will
+# be on the same time zone as Hobart.  Some past dates too for this 3 hour
+# time change back and forth between UTC+8 and UTC+11 for Casey:
+# - 2018 Oct  7 4:00 - 2019 Mar 17 3:00 - 2019 Oct  4 3:00 - 2020 Mar  8 3:00
+# and now - 2020 Oct  4 0:01
+
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
-Zone Antarctica/Casey	0	-	-00	1969
-			8:00	-	+08	2009 Oct 18  2:00
+Zone Antarctica/Casey	 0	-	-00	1969
+			 8:00	-	+08	2009 Oct 18  2:00
 			11:00	-	+11	2010 Mar  5  2:00
-			8:00	-	+08	2011 Oct 28  2:00
+			 8:00	-	+08	2011 Oct 28  2:00
 			11:00	-	+11	2012 Feb 21 17:00u
-			8:00	-	+08	2016 Oct 22
+			 8:00	-	+08	2016 Oct 22
 			11:00	-	+11	2018 Mar 11  4:00
-			8:00	-	+08
+			 8:00	-	+08	2018 Oct  7  4:00
+			11:00	-	+11	2019 Mar 17  3:00
+			 8:00	-	+08	2019 Oct  4  3:00
+			11:00	-	+11	2020 Mar  8  3:00
+			 8:00	-	+08	2020 Oct  4  0:01
+			11:00	-	+11
 Zone Antarctica/Davis	0	-	-00	1957 Jan 13
 			7:00	-	+07	1964 Nov
 			0	-	-00	1969 Feb
@@ -247,7 +262,7 @@ Zone Antarctica/Syowa	0	-	-00	1957 Jan 29
 # suggested by Bengt-Inge Larsson comment them out for now, and approximate
 # with only UTC and CEST.  Uncomment them when 2014b is more prevalent.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 #Rule	Troll	2005	max	-	Mar	 1	1:00u	1:00	+01
 Rule	Troll	2005	max	-	Mar	lastSun	1:00u	2:00	+02
 #Rule	Troll	2005	max	-	Oct	lastSun	1:00u	1:00	+01

make/data/tzdata/asia

@@ -93,7 +93,7 @@
 ###############################################################################
 
 # These rules are stolen from the 'europe' file.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	EUAsia	1981	max	-	Mar	lastSun	 1:00u	1:00	S
 Rule	EUAsia	1979	1995	-	Sep	lastSun	 1:00u	0	-
 Rule	EUAsia	1996	max	-	Oct	lastSun	 1:00u	0	-
@@ -137,7 +137,7 @@ Zone	Asia/Kabul	4:36:48 -	LMT	1890
 # or
 # (brief)
 # http://www.worldtimezone.com/dst_news/dst_news_armenia03.html
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule Armenia	2011	only	-	Mar	lastSun	 2:00s	1:00	-
 Rule Armenia	2011	only	-	Oct	lastSun	 2:00s	0	-
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
@@ -163,7 +163,7 @@ Zone	Asia/Yerevan	2:58:00 -	LMT	1924 May  2
 # http://vestnikkavkaza.net/news/Azerbaijani-Cabinet-of-Ministers-cancels-daylight-saving-time.html
 # http://en.apa.az/xeber_azerbaijan_abolishes_daylight_savings_ti_240862.html
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Azer	1997	2015	-	Mar	lastSun	 4:00	1:00	-
 Rule	Azer	1997	2015	-	Oct	lastSun	 5:00	0	-
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
@@ -250,7 +250,7 @@ Zone	Asia/Baku	3:19:24 -	LMT	1924 May  2
 # http://www.thedailystar.net/newDesign/latest_news.php?nid=22817
 # http://www.worldtimezone.com/dst_news/dst_news_bangladesh06.html
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Dhaka	2009	only	-	Jun	19	23:00	1:00	-
 Rule	Dhaka	2009	only	-	Dec	31	24:00	0	-
 
@@ -326,7 +326,7 @@ Zone	Asia/Yangon	6:24:47 -	LMT	1880        # or Rangoon
 # generally esteemed a success, it was announced early in 1920 that it would
 # not be repeated."
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Shang	1919	only	-	Apr	12	24:00	1:00	D
 Rule	Shang	1919	only	-	Sep	30	24:00	0	S
 
@@ -422,7 +422,7 @@ Rule	Shang	1919	only	-	Sep	30	24:00	0	S
 # the Yangtze river delta area during that period of time although the scope
 # of such use will need to be investigated to determine.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Shang	1940	only	-	Jun	 1	 0:00	1:00	D
 Rule	Shang	1940	only	-	Oct	12	24:00	0	S
 Rule	Shang	1941	only	-	Mar	15	 0:00	1:00	D
@@ -485,7 +485,7 @@ Rule	Shang	1948	1949	-	Sep	30	24:00	0	S #plan
 # to begin on 17 April.
 # http://data.people.com.cn/pic/101p/1988/04/1988041201.jpg
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	PRC	1986	only	-	May	 4	 2:00	1:00	D
 Rule	PRC	1986	1991	-	Sep	Sun>=11	 2:00	0	S
 Rule	PRC	1987	1991	-	Apr	Sun>=11	 2:00	1:00	D
@@ -869,7 +869,7 @@ Zone	Asia/Urumqi	5:50:20	-	LMT	1928
 # or dates for the 1942 and 1945 transitions.
 # The Japanese occupation of Hong Kong began 1941-12-25.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	HK	1946	only	-	Apr	21	0:00	1:00	S
 Rule	HK	1946	only	-	Dec	1	3:30s	0	-
 Rule	HK	1947	only	-	Apr	13	3:30s	1:00	S
@@ -996,7 +996,7 @@ Zone	Asia/Hong_Kong	7:36:42 -	LMT	1904 Oct 30  0:36:42
 # until 1945-09-21 at 01:00, overriding Shanks & Pottenger.
 # Likewise, use Yu-Cheng Chuang's data for DST in Taiwan.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Taiwan	1946	only	-	May	15	0:00	1:00	D
 Rule	Taiwan	1946	only	-	Oct	1	0:00	0	S
 Rule	Taiwan	1947	only	-	Apr	15	0:00	1:00	D
@@ -1122,7 +1122,7 @@ Zone	Asia/Taipei	8:06:00 -	LMT	1896 Jan  1
 # The 1904 decree says that Macau changed from the meridian of
 # Fortaleza do Monte, presumably the basis for the 7:34:10 for LMT.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Macau	1942	1943	-	Apr	30	23:00	1:00	-
 Rule	Macau	1942	only	-	Nov	17	23:00	0	-
 Rule	Macau	1943	only	-	Sep	30	23:00	0	S
@@ -1180,7 +1180,7 @@ Zone	Asia/Macau	7:34:10 -	LMT	1904 Oct 30
 # Cyprus to remain united in time.  Cyprus Mail 2017-10-17.
 # https://cyprus-mail.com/2017/10/17/cyprus-remain-united-time/
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Cyprus	1975	only	-	Apr	13	0:00	1:00	S
 Rule	Cyprus	1975	only	-	Oct	12	0:00	0	-
 Rule	Cyprus	1976	only	-	May	15	0:00	1:00	S
@@ -1557,7 +1557,7 @@ Zone Asia/Jayapura	9:22:48 -	LMT	1932 Nov
 # be changed back to its previous state on the 24 hours of the
 # thirtieth day of Shahrivar.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Iran	1978	1980	-	Mar	20	24:00	1:00	-
 Rule	Iran	1978	only	-	Oct	20	24:00	0	-
 Rule	Iran	1979	only	-	Sep	18	24:00	0	-
@@ -1699,7 +1699,7 @@ Zone	Asia/Tehran	3:25:44	-	LMT	1916
 # We have published a short article in English about the change:
 # https://www.timeanddate.com/news/time/iraq-dumps-daylight-saving.html
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Iraq	1982	only	-	May	1	0:00	1:00	-
 Rule	Iraq	1982	1984	-	Oct	1	0:00	0	-
 Rule	Iraq	1983	only	-	Mar	31	0:00	1:00	-
@@ -1722,6 +1722,10 @@ Zone	Asia/Baghdad	2:57:40	-	LMT	1890
 
 # Israel
 
+# For more info about the motivation for DST in Israel, see:
+# Barak Y. Israel's Daylight Saving Time controversy. Israel Affairs.
+# 2020-08-11. https://doi.org/10.1080/13537121.2020.1806564
+
 # From Ephraim Silverberg (2001-01-11):
 #
 # I coined "IST/IDT" circa 1988.  Until then there were three
@@ -1742,40 +1746,180 @@ Zone	Asia/Baghdad	2:57:40	-	LMT	1890
 # high on my favorite-country list (and not only because my wife's
 # family is from India).
 
-# From Shanks & Pottenger:
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Zion	1940	only	-	Jun	 1	0:00	1:00	D
-Rule	Zion	1942	1944	-	Nov	 1	0:00	0	S
-Rule	Zion	1943	only	-	Apr	 1	2:00	1:00	D
-Rule	Zion	1944	only	-	Apr	 1	0:00	1:00	D
-Rule	Zion	1945	only	-	Apr	16	0:00	1:00	D
-Rule	Zion	1945	only	-	Nov	 1	2:00	0	S
-Rule	Zion	1946	only	-	Apr	16	2:00	1:00	D
-Rule	Zion	1946	only	-	Nov	 1	0:00	0	S
-Rule	Zion	1948	only	-	May	23	0:00	2:00	DD
-Rule	Zion	1948	only	-	Sep	 1	0:00	1:00	D
-Rule	Zion	1948	1949	-	Nov	 1	2:00	0	S
-Rule	Zion	1949	only	-	May	 1	0:00	1:00	D
-Rule	Zion	1950	only	-	Apr	16	0:00	1:00	D
-Rule	Zion	1950	only	-	Sep	15	3:00	0	S
-Rule	Zion	1951	only	-	Apr	 1	0:00	1:00	D
-Rule	Zion	1951	only	-	Nov	11	3:00	0	S
-Rule	Zion	1952	only	-	Apr	20	2:00	1:00	D
-Rule	Zion	1952	only	-	Oct	19	3:00	0	S
-Rule	Zion	1953	only	-	Apr	12	2:00	1:00	D
-Rule	Zion	1953	only	-	Sep	13	3:00	0	S
-Rule	Zion	1954	only	-	Jun	13	0:00	1:00	D
-Rule	Zion	1954	only	-	Sep	12	0:00	0	S
-Rule	Zion	1955	only	-	Jun	11	2:00	1:00	D
-Rule	Zion	1955	only	-	Sep	11	0:00	0	S
-Rule	Zion	1956	only	-	Jun	 3	0:00	1:00	D
-Rule	Zion	1956	only	-	Sep	30	3:00	0	S
-Rule	Zion	1957	only	-	Apr	29	2:00	1:00	D
-Rule	Zion	1957	only	-	Sep	22	0:00	0	S
-Rule	Zion	1974	only	-	Jul	 7	0:00	1:00	D
-Rule	Zion	1974	only	-	Oct	13	0:00	0	S
-Rule	Zion	1975	only	-	Apr	20	0:00	1:00	D
-Rule	Zion	1975	only	-	Aug	31	0:00	0	S
+# From P Chan (2020-10-27), with corrections:
+#
+# 1940-1946 Supplement No. 2 to the Palestine Gazette
+# # issue page  Order No.   dated      start        end         note
+# 1 1010  729  67 of 1940 1940-05-22 1940-05-31* 1940-09-30* revoked by #2
+# 2 1013  758  73 of 1940 1940-05-31 1940-05-31  1940-09-30
+# 3 1055 1574 196 of 1940 1940-11-06 1940-11-16  1940-12-31
+# 4 1066 1811 208 of 1940 1940-12-17 1940-12-31  1941-12-31
+# 5 1156 1967 116 of 1941 1941-12-16 1941-12-31  1942-12-31* amended by #6
+# 6 1228 1608  86 of 1942 1942-10-14 1941-12-31  1942-10-31
+# 7 1256  279  21 of 1943 1943-03-18 1943-03-31  1943-10-31
+# 8 1323  249  19 of 1944 1944-03-13 1944-03-31  1944-10-31
+# 9 1402  328  20 of 1945 1945-04-05 1945-04-15  1945-10-31
+#10 1487  596  14 of 1946 1946-04-04 1946-04-15  1946-10-31
+#
+# 1948 Iton Rishmi (Official Gazette of the Provisional Government)
+# #    issue    page   dated      start       end
+#11 2             7 1948-05-20 1948-05-22 1948-10-31*
+#	^This moved timezone to +04, replaced by #12 from 1948-08-31 24:00 GMT.
+#12 17 (Annex B) 84 1948-08-22 1948-08-31 1948-10-31
+#
+# 1949-2000 Kovetz HaTakanot (Collection of Regulations)
+# # issue page  dated      start       end            note
+#13    6  133 1949-03-23 1949-04-30  1949-10-31
+#14   80  755 1950-03-17 1950-04-15  1950-09-14
+#15  164  782 1951-03-22 1951-03-31  1951-09-29* amended by #16
+#16  206 1940 1951-09-23 ----------  1951-10-22* amended by #17
+#17  212   78 1951-10-19 ----------  1951-11-10
+#18  254  652 1952-03-03 1952-04-19  1952-09-27* amended by #19
+#19  300   11 1952-09-15 ----------  1952-10-18
+#20  348  817 1953-03-03 1953-04-11  1953-09-12
+#21  420  385 1954-02-17 1954-06-12  1954-09-11
+#22  497  548 1955-01-14 1955-06-11  1955-09-10
+#23  591  608 1956-03-12 1956-06-02  1956-09-29
+#24  680  957 1957-02-08 1957-04-27  1957-09-21
+#25 3192 1418 1974-06-28 1974-07-06  1974-10-12
+#26 3322 1389 1975-04-03 1975-04-19  1975-08-30
+#27 4146 2089 1980-07-15 1980-08-02  1980-09-13
+#28 4604 1081 1984-02-22 1984-05-05* 1984-08-25* revoked by #29
+#29 4619 1312 1984-04-06 1984-05-05  1984-08-25
+#30 4744  475 1984-12-23 1985-04-13  1985-09-14* amended by #31
+#31 4851 1848 1985-08-18 ----------  1985-08-31
+#32 4932  899 1986-04-22 1986-05-17  1986-09-06
+#33 5013  580 1987-02-15 1987-04-18* 1987-08-22* revoked by #34
+#34 5021  744 1987-03-30 1987-04-14  1987-09-12
+#35 5096  659 1988-02-14 1988-04-09  1988-09-03
+#36 5167  514 1989-02-03 1989-04-29  1989-09-02
+#37 5248  375 1990-01-23 1990-03-24  1990-08-25
+#38 5335  612 1991-02-10 1991-03-09* 1991-08-31	 amended by #39
+#			 1992-03-28  1992-09-05
+#39 5339  709 1991-03-04 1991-03-23  ----------
+#40 5506  503 1993-02-18 1993-04-02  1993-09-05
+#			 1994-04-01  1994-08-28
+#			 1995-03-31  1995-09-03
+#41 5731  438 1996-01-01 1996-03-14  1996-09-15
+#			 1997-03-13* 1997-09-18* overridden by 1997 Temp Prov
+#			 1998-03-19* 1998-09-17* revoked by #42
+#42 5853 1243 1997-09-18 1998-03-19  1998-09-05
+#43 5937   77 1998-10-18 1999-04-02  1999-09-03
+#			 2000-04-14* 2000-09-15* revoked by #44
+#			 2001-04-13* 2001-09-14* revoked by #44
+#44 6024   39 2000-03-14 2000-04-14  2000-10-22* overridden by 2000 Temp Prov
+#			 2001-04-06* 2001-10-10* overridden by 2000 Temp Prov
+#			 2002-03-29* 2002-10-29* overridden by 2000 Temp Prov
+#
+# These are laws enacted by the Knesset since the Minister could only alter the
+# transition dates at least six months in advanced under the 1992 Law.
+#				dated		start		end
+# 1997 Temporary Provisions	1997-03-06	1997-03-20	1997-09-13
+# 2000 Temporary Provisions	2000-07-28	----------	2000-10-06
+#						2001-04-09	2001-09-24
+#						2002-03-29	2002-10-07
+#						2003-03-28	2003-10-03
+#						2004-04-07	2004-09-22
+# Note:
+# Transition times in 1940-1957 (#1-#24) were midnight GMT,
+# in 1974-1998 (#25-#42 and the 1997 Temporary Provisions) were midnight,
+# in 1999-April 2000 (#43,#44) were 02:00,
+# in the 2000 Temporary Provisions were 01:00.
+#
+# -----------------------------------------------------------------------------
+# Links:
+# 1 https://findit.library.yale.edu/images_layout/view?parentoid=15537490&increment=687
+# 2 https://findit.library.yale.edu/images_layout/view?parentoid=15537490&increment=716
+# 3 https://findit.library.yale.edu/images_layout/view?parentoid=15537491&increment=721
+# 4 https://findit.library.yale.edu/images_layout/view?parentoid=15537491&increment=958
+# 5 https://findit.library.yale.edu/images_layout/view?parentoid=15537502&increment=558
+# 6 https://findit.library.yale.edu/images_layout/view?parentoid=15537511&increment=105
+# 7 https://findit.library.yale.edu/images_layout/view?parentoid=15537516&increment=278
+# 8 https://findit.library.yale.edu/images_layout/view?parentoid=15537522&increment=248
+# 9 https://findit.library.yale.edu/images_layout/view?parentoid=15537530&increment=329
+#10 https://findit.library.yale.edu/images_layout/view?parentoid=15537537&increment=601
+#11 https://www.nevo.co.il/law_word/law12/er-002.pdf#page=3
+#12 https://www.nevo.co.il/law_word/law12/er-017-t2.pdf#page=4
+#13 https://www.nevo.co.il/law_word/law06/tak-0006.pdf#page=3
+#14 https://www.nevo.co.il/law_word/law06/tak-0080.pdf#page=7
+#15 https://www.nevo.co.il/law_word/law06/tak-0164.pdf#page=10
+#16 https://www.nevo.co.il/law_word/law06/tak-0206.pdf#page=4
+#17 https://www.nevo.co.il/law_word/law06/tak-0212.pdf#page=2
+#18 https://www.nevo.co.il/law_word/law06/tak-0254.pdf#page=4
+#19 https://www.nevo.co.il/law_word/law06/tak-0300.pdf#page=5
+#20 https://www.nevo.co.il/law_word/law06/tak-0348.pdf#page=3
+#21 https://www.nevo.co.il/law_word/law06/tak-0420.pdf#page=5
+#22 https://www.nevo.co.il/law_word/law06/tak-0497.pdf#page=10
+#23 https://www.nevo.co.il/law_word/law06/tak-0591.pdf#page=6
+#24 https://www.nevo.co.il/law_word/law06/tak-0680.pdf#page=3
+#25 https://www.nevo.co.il/law_word/law06/tak-3192.pdf#page=2
+#26 https://www.nevo.co.il/law_word/law06/tak-3322.pdf#page=5
+#27 https://www.nevo.co.il/law_word/law06/tak-4146.pdf#page=2
+#28 https://www.nevo.co.il/law_word/law06/tak-4604.pdf#page=7
+#29 https://www.nevo.co.il/law_word/law06/tak-4619.pdf#page=2
+#30 https://www.nevo.co.il/law_word/law06/tak-4744.pdf#page=11
+#31 https://www.nevo.co.il/law_word/law06/tak-4851.pdf#page=2
+#32 https://www.nevo.co.il/law_word/law06/tak-4932.pdf#page=19
+#33 https://www.nevo.co.il/law_word/law06/tak-5013.pdf#page=8
+#34 https://www.nevo.co.il/law_word/law06/tak-5021.pdf#page=8
+#35 https://www.nevo.co.il/law_word/law06/tak-5096.pdf#page=3
+#36 https://www.nevo.co.il/law_word/law06/tak-5167.pdf#page=2
+#37 https://www.nevo.co.il/law_word/law06/tak-5248.pdf#page=7
+#38 https://www.nevo.co.il/law_word/law06/tak-5335.pdf#page=6
+#39 https://www.nevo.co.il/law_word/law06/tak-5339.pdf#page=7
+#40 https://www.nevo.co.il/law_word/law06/tak-5506.pdf#page=19
+#41 https://www.nevo.co.il/law_word/law06/tak-5731.pdf#page=2
+#42 https://www.nevo.co.il/law_word/law06/tak-5853.pdf#page=3
+#43 https://www.nevo.co.il/law_word/law06/tak-5937.pdf#page=9
+#44 https://www.nevo.co.il/law_word/law06/tak-6024.pdf#page=4
+#
+# Time Determination (Temporary Provisions) Law, 1997
+# https://www.nevo.co.il/law_html/law19/p201_003.htm
+#
+# Time Determination (Temporary Provisions) Law, 2000
+# https://www.nevo.co.il/law_html/law19/p201_004.htm
+#
+# Time Determination Law, 1992 and amendments
+# https://www.nevo.co.il/law_html/law01/p201_002.htm
+# https://main.knesset.gov.il/Activity/Legislation/Laws/Pages/LawPrimary.aspx?lawitemid=2001174
+
+# From Paul Eggert (2020-10-27):
+# Several of the midnight transitions mentioned above are ambiguous;
+# are they 00:00, 00:00s, 24:00, or 24:00s?  When resolving these ambiguities,
+# try to minimize changes from previous tzdb versions, for lack of better info.
+# Commentary from previous versions is included below, to help explain this.
+
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
+Rule	Zion	1940	only	-	May	31	24:00u	1:00	D
+Rule	Zion	1940	only	-	Sep	30	24:00u	0	S
+Rule	Zion	1940	only	-	Nov	16	24:00u	1:00	D
+Rule	Zion	1942	1946	-	Oct	31	24:00u	0	S
+Rule	Zion	1943	1944	-	Mar	31	24:00u	1:00	D
+Rule	Zion	1945	1946	-	Apr	15	24:00u	1:00	D
+Rule	Zion	1948	only	-	May	22	24:00u	2:00	DD
+Rule	Zion	1948	only	-	Aug	31	24:00u	1:00	D
+Rule	Zion	1948	1949	-	Oct	31	24:00u	0	S
+Rule	Zion	1949	only	-	Apr	30	24:00u	1:00	D
+Rule	Zion	1950	only	-	Apr	15	24:00u	1:00	D
+Rule	Zion	1950	only	-	Sep	14	24:00u	0	S
+Rule	Zion	1951	only	-	Mar	31	24:00u	1:00	D
+Rule	Zion	1951	only	-	Nov	10	24:00u	0	S
+Rule	Zion	1952	only	-	Apr	19	24:00u	1:00	D
+Rule	Zion	1952	only	-	Oct	18	24:00u	0	S
+Rule	Zion	1953	only	-	Apr	11	24:00u	1:00	D
+Rule	Zion	1953	only	-	Sep	12	24:00u	0	S
+Rule	Zion	1954	only	-	Jun	12	24:00u	1:00	D
+Rule	Zion	1954	only	-	Sep	11	24:00u	0	S
+Rule	Zion	1955	only	-	Jun	11	24:00u	1:00	D
+Rule	Zion	1955	only	-	Sep	10	24:00u	0	S
+Rule	Zion	1956	only	-	Jun	 2	24:00u	1:00	D
+Rule	Zion	1956	only	-	Sep	29	24:00u	0	S
+Rule	Zion	1957	only	-	Apr	27	24:00u	1:00	D
+Rule	Zion	1957	only	-	Sep	21	24:00u	0	S
+Rule	Zion	1974	only	-	Jul	 6	24:00	1:00	D
+Rule	Zion	1974	only	-	Oct	12	24:00	0	S
+Rule	Zion	1975	only	-	Apr	19	24:00	1:00	D
+Rule	Zion	1975	only	-	Aug	30	24:00	0	S
 
 # From Alois Treindl (2019-03-06):
 # http://www.moin.gov.il/Documents/שעון%20קיץ/clock-50-years-7-2014.pdf
@@ -1788,25 +1932,24 @@ Rule	Zion	1975	only	-	Aug	31	0:00	0	S
 # From Paul Eggert (2019-03-06):
 # Also see this thread about the moin.gov.il URL:
 # https://mm.icann.org/pipermail/tz/2018-November/027194.html
-Rule	Zion	1980	only	-	Aug	 2	0:00	1:00	D
-Rule	Zion	1980	only	-	Sep	13	1:00	0	S
-Rule	Zion	1984	only	-	May	 5	0:00	1:00	D
-Rule	Zion	1984	only	-	Aug	25	1:00	0	S
+Rule	Zion	1980	only	-	Aug	 2	24:00s	1:00	D
+Rule	Zion	1980	only	-	Sep	13	24:00s	0	S
+Rule	Zion	1984	only	-	May	 5	24:00s	1:00	D
+Rule	Zion	1984	only	-	Aug	25	24:00s	0	S
 
-# From Shanks & Pottenger:
-Rule	Zion	1985	only	-	Apr	14	0:00	1:00	D
-Rule	Zion	1985	only	-	Sep	15	0:00	0	S
-Rule	Zion	1986	only	-	May	18	0:00	1:00	D
-Rule	Zion	1986	only	-	Sep	 7	0:00	0	S
-Rule	Zion	1987	only	-	Apr	15	0:00	1:00	D
-Rule	Zion	1987	only	-	Sep	13	0:00	0	S
+Rule	Zion	1985	only	-	Apr	13	24:00	1:00	D
+Rule	Zion	1985	only	-	Aug	31	24:00	0	S
+Rule	Zion	1986	only	-	May	17	24:00	1:00	D
+Rule	Zion	1986	only	-	Sep	 6	24:00	0	S
+Rule	Zion	1987	only	-	Apr	14	24:00	1:00	D
+Rule	Zion	1987	only	-	Sep	12	24:00	0	S
 
 # From Avigdor Finkelstein (2014-03-05):
 # I check the Parliament (Knesset) records and there it's stated that the
 # [1988] transition should take place on Saturday night, when the Sabbath
 # ends and changes to Sunday.
-Rule	Zion	1988	only	-	Apr	10	0:00	1:00	D
-Rule	Zion	1988	only	-	Sep	 4	0:00	0	S
+Rule	Zion	1988	only	-	Apr	 9	24:00	1:00	D
+Rule	Zion	1988	only	-	Sep	 3	24:00	0	S
 
 # From Ephraim Silverberg
 # (1997-03-04, 1998-03-16, 1998-12-28, 2000-01-17, 2000-07-25, 2004-12-22,
@@ -1835,15 +1978,15 @@ Rule	Zion	1988	only	-	Sep	 4	0:00	0	S
 # (except in 2002) is three nights before Yom Kippur [Day of Atonement]
 # (the eve of the 7th of Tishrei in the lunar Hebrew calendar).
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Zion	1989	only	-	Apr	30	0:00	1:00	D
-Rule	Zion	1989	only	-	Sep	 3	0:00	0	S
-Rule	Zion	1990	only	-	Mar	25	0:00	1:00	D
-Rule	Zion	1990	only	-	Aug	26	0:00	0	S
-Rule	Zion	1991	only	-	Mar	24	0:00	1:00	D
-Rule	Zion	1991	only	-	Sep	 1	0:00	0	S
-Rule	Zion	1992	only	-	Mar	29	0:00	1:00	D
-Rule	Zion	1992	only	-	Sep	 6	0:00	0	S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
+Rule	Zion	1989	only	-	Apr	29	24:00	1:00	D
+Rule	Zion	1989	only	-	Sep	 2	24:00	0	S
+Rule	Zion	1990	only	-	Mar	24	24:00	1:00	D
+Rule	Zion	1990	only	-	Aug	25	24:00	0	S
+Rule	Zion	1991	only	-	Mar	23	24:00	1:00	D
+Rule	Zion	1991	only	-	Aug	31	24:00	0	S
+Rule	Zion	1992	only	-	Mar	28	24:00	1:00	D
+Rule	Zion	1992	only	-	Sep	 5	24:00	0	S
 Rule	Zion	1993	only	-	Apr	 2	0:00	1:00	D
 Rule	Zion	1993	only	-	Sep	 5	0:00	0	S
 
@@ -1851,7 +1994,7 @@ Rule	Zion	1993	only	-	Sep	 5	0:00	0	S
 # Ministry of Interior, Jerusalem, Israel.  The spokeswoman can be reached by
 # calling the office directly at 972-2-6701447 or 972-2-6701448.
 
-# Rule	NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Zion	1994	only	-	Apr	 1	0:00	1:00	D
 Rule	Zion	1994	only	-	Aug	28	0:00	0	S
 Rule	Zion	1995	only	-	Mar	31	0:00	1:00	D
@@ -1871,11 +2014,11 @@ Rule	Zion	1995	only	-	Sep	 3	0:00	0	S
 #
 #       where YYYY is the relevant year.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Zion	1996	only	-	Mar	15	0:00	1:00	D
-Rule	Zion	1996	only	-	Sep	16	0:00	0	S
-Rule	Zion	1997	only	-	Mar	21	0:00	1:00	D
-Rule	Zion	1997	only	-	Sep	14	0:00	0	S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
+Rule	Zion	1996	only	-	Mar	14	24:00	1:00	D
+Rule	Zion	1996	only	-	Sep	15	24:00	0	S
+Rule	Zion	1997	only	-	Mar	20	24:00	1:00	D
+Rule	Zion	1997	only	-	Sep	13	24:00	0	S
 Rule	Zion	1998	only	-	Mar	20	0:00	1:00	D
 Rule	Zion	1998	only	-	Sep	 6	0:00	0	S
 Rule	Zion	1999	only	-	Apr	 2	2:00	1:00	D
@@ -1894,7 +2037,7 @@ Rule	Zion	1999	only	-	Sep	 3	2:00	0	S
 #
 #	ftp://ftp.cs.huji.ac.il/pub/tz/announcements/2000-2004.ps.gz
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Zion	2000	only	-	Apr	14	2:00	1:00	D
 Rule	Zion	2000	only	-	Oct	 6	1:00	0	S
 Rule	Zion	2001	only	-	Apr	 9	1:00	1:00	D
@@ -1916,7 +2059,7 @@ Rule	Zion	2004	only	-	Sep	22	1:00	0	S
 #
 #	ftp://ftp.cs.huji.ac.il/pub/tz/announcements/2005+beyond.ps
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Zion	2005	2012	-	Apr	Fri<=1	2:00	1:00	D
 Rule	Zion	2005	only	-	Oct	 9	2:00	0	S
 Rule	Zion	2006	only	-	Oct	 1	2:00	0	S
@@ -1927,16 +2070,17 @@ Rule	Zion	2010	only	-	Sep	12	2:00	0	S
 Rule	Zion	2011	only	-	Oct	 2	2:00	0	S
 Rule	Zion	2012	only	-	Sep	23	2:00	0	S
 
-# From Ephraim Silverberg (2013-06-27):
-# On June 23, 2013, the Israeli government approved changes to the
-# Time Decree Law.  The next day, the changes passed the First Reading
-# in the Knesset.  The law is expected to pass the Second and Third
-# (final) Readings by the beginning of September 2013.
-#
-# As of 2013, DST starts at 02:00 on the Friday before the last Sunday
-# in March.  DST ends at 02:00 on the last Sunday of October.
+# From Ephraim Silverberg (2020-10-26):
+# The current time law (2013) from the State of Israel can be viewed
+# (in Hebrew) at:
+# ftp://ftp.cs.huji.ac.il/pub/tz/israel/announcements/2013+law.pdf
+# It translates to:
+# Every year, in the period from the Friday before the last Sunday in
+# the month of March at 02:00 a.m. until the last Sunday of the month
+# of October at 02:00 a.m., Israel Time will be advanced an additional
+# hour such that it will be UTC+3.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Zion	2013	max	-	Mar	Fri>=23	2:00	1:00	D
 Rule	Zion	2013	max	-	Oct	lastSun	2:00	0	S
 
@@ -2036,7 +2180,7 @@ Zone	Asia/Jerusalem	2:20:54 -	LMT	1880
 # do in any POSIX or C platform.  The "25:00" assumes zic from 2007 or later,
 # which should be safe now.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Japan	1948	only	-	May	Sat>=1	24:00	1:00	D
 Rule	Japan	1948	1951	-	Sep	Sat>=8	25:00	0	S
 Rule	Japan	1949	only	-	Apr	Sat>=1	24:00	1:00	D
@@ -2113,7 +2257,7 @@ Zone	Asia/Tokyo	9:18:59	-	LMT	1887 Dec 31 15:00u
 # From Paul Eggert (2013-12-11):
 # As Steffen suggested, consider the past 21-month experiment to be DST.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Jordan	1973	only	-	Jun	6	0:00	1:00	S
 Rule	Jordan	1973	1975	-	Oct	1	0:00	0	-
 Rule	Jordan	1974	1977	-	May	1	0:00	1:00	S
@@ -2439,7 +2583,7 @@ Zone	Asia/Oral	3:25:24	-	LMT	1924 May  2 # or Ural'sk
 # Our government cancels daylight saving time 6th of August 2005.
 # From 2005-08-12 our GMT-offset is +6, w/o any daylight saving.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Kyrgyz	1992	1996	-	Apr	Sun>=7	0:00s	1:00	-
 Rule	Kyrgyz	1992	1996	-	Sep	lastSun	0:00	0	-
 Rule	Kyrgyz	1997	2005	-	Mar	lastSun	2:30	1:00	-
@@ -2495,7 +2639,7 @@ Zone	Asia/Bishkek	4:58:24 -	LMT	1924 May  2
 # follow and continued to use GMT+9:00 for interoperability.
 
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	ROK	1948	only	-	Jun	 1	 0:00	1:00	D
 Rule	ROK	1948	only	-	Sep	12	24:00	0	S
 Rule	ROK	1949	only	-	Apr	 3	 0:00	1:00	D
@@ -2583,7 +2727,7 @@ Zone	Asia/Pyongyang	8:23:00 -	LMT	1908 Apr  1
 
 
 # Lebanon
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Lebanon	1920	only	-	Mar	28	0:00	1:00	S
 Rule	Lebanon	1920	only	-	Oct	25	0:00	0	-
 Rule	Lebanon	1921	only	-	Apr	3	0:00	1:00	S
@@ -2613,7 +2757,7 @@ Zone	Asia/Beirut	2:22:00 -	LMT	1880
 			2:00	Lebanon	EE%sT
 
 # Malaysia
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	NBorneo	1935	1941	-	Sep	14	0:00	0:20	-
 Rule	NBorneo	1935	1941	-	Dec	14	0:00	0	-
 #
@@ -2758,7 +2902,7 @@ Zone	Indian/Maldives	4:54:00 -	LMT	1880 # Malé
 # September daylight saving time ends.  Source:
 # http://zasag.mn/news/view/8969
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Mongol	1983	1984	-	Apr	1	0:00	1:00	-
 Rule	Mongol	1983	only	-	Oct	1	0:00	0	-
 # Shanks & Pottenger and IATA SSIM say 1990s switches occurred at 00:00,
@@ -2946,7 +3090,7 @@ Zone	Asia/Kathmandu	5:41:16 -	LMT	1920
 # "People laud PM's announcement to end DST"
 # http://www.app.com.pk/en_/index.php?option=com_content&task=view&id=99374&Itemid=2
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule Pakistan	2002	only	-	Apr	Sun>=2	0:00	1:00	S
 Rule Pakistan	2002	only	-	Oct	Sun>=2	0:00	0	-
 Rule Pakistan	2008	only	-	Jun	1	0:00	1:00	S
@@ -3240,15 +3384,42 @@ Zone	Asia/Karachi	4:28:12 -	LMT	1907
 
 # From Sharef Mustafa (2019-10-18):
 # Palestine summer time will end on midnight Oct 26th 2019 ...
-# http://www.palestinecabinet.gov.ps/website/ar/ViewDetails?ID=43948
+#
+# From Steffen Thorsen (2020-10-20):
+# Some sources such as these say, and display on clocks, that DST ended at
+# midnight last year...
+# https://www.amad.ps/ar/post/320006
+#
+# From Tim Parenti (2020-10-20):
+# The report of the Palestinian Cabinet meeting of 2019-10-14 confirms
+# a decision on (translated): "The start of the winter time in Palestine, by
+# delaying the clock by sixty minutes, starting from midnight on Friday /
+# Saturday corresponding to 26/10/2019."
+# http://www.palestinecabinet.gov.ps/portal/meeting/details/43948
+
+# From Sharef Mustafa (2020-10-20):
+# As per the palestinian cabinet announcement yesterday , the day light saving
+# shall [end] on Oct 24th 2020 at 01:00AM by delaying the clock by 60 minutes.
+# http://www.palestinecabinet.gov.ps/portal/Meeting/Details/51584
+
+# From Tim Parenti (2020-10-20):
+# Predict future fall transitions at 01:00 on the Saturday preceding October's
+# last Sunday (i.e., Sat>=24).  This is consistent with our predictions since
+# 2016, although the time of the change differed slightly in 2019.
+
+# From Pierre Cashon (2020-10-20):
+# The summer time this year started on March 28 at 00:00.
+# https://wafa.ps/ar_page.aspx?id=GveQNZa872839351758aGveQNZ
+# http://www.palestinecabinet.gov.ps/portal/meeting/details/50284
+# The winter time in 2015 started on October 23 at 01:00.
+# https://wafa.ps/ar_page.aspx?id=CgpCdYa670694628582aCgpCdY
+# http://www.palestinecabinet.gov.ps/portal/meeting/details/27583
 #
 # From Paul Eggert (2019-04-10):
-# For now, guess spring-ahead transitions are March's last Friday at 00:00.
-#
-# From Tim Parenti (2016-10-19):
-# Predict fall transitions on October's last Saturday at 01:00 from now on.
+# For now, guess spring-ahead transitions are at 00:00 on the Saturday
+# preceding March's last Sunday (i.e., Sat>=24).
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule EgyptAsia	1957	only	-	May	10	0:00	1:00	S
 Rule EgyptAsia	1957	1958	-	Oct	 1	0:00	0	-
 Rule EgyptAsia	1958	only	-	May	 1	0:00	1:00	S
@@ -3262,10 +3433,10 @@ Rule Palestine	2004	only	-	Oct	 1	1:00	0	-
 Rule Palestine	2005	only	-	Oct	 4	2:00	0	-
 Rule Palestine	2006	2007	-	Apr	 1	0:00	1:00	S
 Rule Palestine	2006	only	-	Sep	22	0:00	0	-
-Rule Palestine	2007	only	-	Sep	Thu>=8	2:00	0	-
+Rule Palestine	2007	only	-	Sep	13	2:00	0	-
 Rule Palestine	2008	2009	-	Mar	lastFri	0:00	1:00	S
 Rule Palestine	2008	only	-	Sep	 1	0:00	0	-
-Rule Palestine	2009	only	-	Sep	Fri>=1	1:00	0	-
+Rule Palestine	2009	only	-	Sep	 4	1:00	0	-
 Rule Palestine	2010	only	-	Mar	26	0:00	1:00	S
 Rule Palestine	2010	only	-	Aug	11	0:00	0	-
 Rule Palestine	2011	only	-	Apr	 1	0:01	1:00	S
@@ -3274,12 +3445,16 @@ Rule Palestine	2011	only	-	Aug	30	0:00	1:00	S
 Rule Palestine	2011	only	-	Sep	30	0:00	0	-
 Rule Palestine	2012	2014	-	Mar	lastThu	24:00	1:00	S
 Rule Palestine	2012	only	-	Sep	21	1:00	0	-
-Rule Palestine	2013	only	-	Sep	Fri>=21	0:00	0	-
-Rule Palestine	2014	2015	-	Oct	Fri>=21	0:00	0	-
-Rule Palestine	2015	only	-	Mar	lastFri	24:00	1:00	S
+Rule Palestine	2013	only	-	Sep	27	0:00	0	-
+Rule Palestine	2014	only	-	Oct	24	0:00	0	-
+Rule Palestine	2015	only	-	Mar	28	0:00	1:00	S
+Rule Palestine	2015	only	-	Oct	23	1:00	0	-
 Rule Palestine	2016	2018	-	Mar	Sat>=24	1:00	1:00	S
-Rule Palestine	2016	max	-	Oct	lastSat	1:00	0	-
-Rule Palestine	2019	max	-	Mar	lastFri	0:00	1:00	S
+Rule Palestine	2016	2018	-	Oct	Sat>=24	1:00	0	-
+Rule Palestine	2019	only	-	Mar	29	0:00	1:00	S
+Rule Palestine	2019	only	-	Oct	Sat>=24	0:00	0	-
+Rule Palestine	2020	max	-	Mar	Sat>=24	0:00	1:00	S
+Rule Palestine	2020	max	-	Oct	Sat>=24	1:00	0	-
 
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Gaza	2:17:52	-	LMT	1900 Oct
@@ -3348,7 +3523,7 @@ Zone	Asia/Hebron	2:20:23	-	LMT	1900 Oct
 # influence of the sources.  There is no current abbreviation for DST,
 # so use "PDT", the usual American style.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Phil	1936	only	-	Nov	1	0:00	1:00	D
 Rule	Phil	1937	only	-	Feb	1	0:00	0	S
 Rule	Phil	1954	only	-	Apr	12	0:00	1:00	D
@@ -3496,7 +3671,7 @@ Zone	Asia/Colombo	5:19:24 -	LMT	1880
 			5:30	-	+0530
 
 # Syria
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Syria	1920	1923	-	Apr	Sun>=15	2:00	1:00	S
 Rule	Syria	1920	1923	-	Oct	Sun>=1	2:00	0	-
 Rule	Syria	1962	only	-	Apr	29	2:00	1:00	S

make/data/tzdata/australasia

@@ -36,17 +36,14 @@
 
 # Please see the notes below for the controversy about "EST" versus "AEST" etc.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Aus	1917	only	-	Jan	 1	0:01	1:00	D
-Rule	Aus	1917	only	-	Mar	25	2:00	0	S
-Rule	Aus	1942	only	-	Jan	 1	2:00	1:00	D
-Rule	Aus	1942	only	-	Mar	29	2:00	0	S
-Rule	Aus	1942	only	-	Sep	27	2:00	1:00	D
-Rule	Aus	1943	1944	-	Mar	lastSun	2:00	0	S
-Rule	Aus	1943	only	-	Oct	 3	2:00	1:00	D
-# Go with Whitman and the Australian National Standards Commission, which
-# says W Australia didn't use DST in 1943/1944.  Ignore Whitman's claim that
-# 1944/1945 was just like 1943/1944.
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
+Rule	Aus	1917	only	-	Jan	 1	2:00s	1:00	D
+Rule	Aus	1917	only	-	Mar	lastSun	2:00s	0	S
+Rule	Aus	1942	only	-	Jan	 1	2:00s	1:00	D
+Rule	Aus	1942	only	-	Mar	lastSun	2:00s	0	S
+Rule	Aus	1942	only	-	Sep	27	2:00s	1:00	D
+Rule	Aus	1943	1944	-	Mar	lastSun	2:00s	0	S
+Rule	Aus	1943	only	-	Oct	 3	2:00s	1:00	D
 
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 # Northern Territory
@@ -55,7 +52,7 @@ Zone Australia/Darwin	 8:43:20 -	LMT	1895 Feb
 			 9:30	Aus	AC%sT
 # Western Australia
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	AW	1974	only	-	Oct	lastSun	2:00s	1:00	D
 Rule	AW	1975	only	-	Mar	Sun>=1	2:00s	0	S
 Rule	AW	1983	only	-	Oct	lastSun	2:00s	1:00	D
@@ -93,7 +90,7 @@ Zone Australia/Eucla	 8:35:28 -	LMT	1895 Dec
 # applies to all of the Whitsundays.
 # http://www.australia.gov.au/about-australia/australian-story/austn-islands
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	AQ	1971	only	-	Oct	lastSun	2:00s	1:00	D
 Rule	AQ	1972	only	-	Feb	lastSun	2:00s	0	S
 Rule	AQ	1989	1991	-	Oct	lastSun	2:00s	1:00	D
@@ -109,7 +106,7 @@ Zone Australia/Lindeman  9:55:56 -	LMT	1895
 			10:00	Holiday	AE%sT
 
 # South Australia
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	AS	1971	1985	-	Oct	lastSun	2:00s	1:00	D
 Rule	AS	1986	only	-	Oct	19	2:00s	1:00	D
 Rule	AS	1987	2007	-	Oct	lastSun	2:00s	1:00	D
@@ -137,9 +134,13 @@ Zone Australia/Adelaide	9:14:20 -	LMT	1895 Feb
 # http://www.bom.gov.au/climate/averages/tables/dst_times.shtml
 # says King Island didn't observe DST from WWII until late 1971.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
+Rule	AT	1916	only	-	Oct	Sun>=1	2:00s	1:00	D
+Rule	AT	1917	only	-	Mar	lastSun	2:00s	0	S
+Rule	AT	1917	1918	-	Oct	Sun>=22	2:00s	1:00	D
+Rule	AT	1918	1919	-	Mar	Sun>=1	2:00s	0	S
 Rule	AT	1967	only	-	Oct	Sun>=1	2:00s	1:00	D
-Rule	AT	1968	only	-	Mar	lastSun	2:00s	0	S
+Rule	AT	1968	only	-	Mar	Sun>=29	2:00s	0	S
 Rule	AT	1968	1985	-	Oct	lastSun	2:00s	1:00	D
 Rule	AT	1969	1971	-	Mar	Sun>=8	2:00s	0	S
 Rule	AT	1972	only	-	Feb	lastSun	2:00s	0	S
@@ -159,18 +160,12 @@ Rule	AT	2007	only	-	Mar	lastSun	2:00s	0	S
 Rule	AT	2008	max	-	Apr	Sun>=1	2:00s	0	S
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone Australia/Hobart	9:49:16	-	LMT	1895 Sep
-			10:00	-	AEST	1916 Oct  1  2:00
-			10:00	1:00	AEDT	1917 Feb
+			10:00	AT	AE%sT	1919 Oct 24
 			10:00	Aus	AE%sT	1967
 			10:00	AT	AE%sT
-Zone Australia/Currie	9:35:28	-	LMT	1895 Sep
-			10:00	-	AEST	1916 Oct  1  2:00
-			10:00	1:00	AEDT	1917 Feb
-			10:00	Aus	AE%sT	1971 Jul
-			10:00	AT	AE%sT
 
 # Victoria
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	AV	1971	1985	-	Oct	lastSun	2:00s	1:00	D
 Rule	AV	1972	only	-	Feb	lastSun	2:00s	0	S
 Rule	AV	1973	1985	-	Mar	Sun>=1	2:00s	0	S
@@ -191,7 +186,7 @@ Zone Australia/Melbourne 9:39:52 -	LMT	1895 Feb
 			10:00	AV	AE%sT
 
 # New South Wales
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	AN	1971	1985	-	Oct	lastSun	2:00s	1:00	D
 Rule	AN	1972	only	-	Feb	27	2:00s	0	S
 Rule	AN	1973	1981	-	Mar	Sun>=1	2:00s	0	S
@@ -220,7 +215,7 @@ Zone Australia/Broken_Hill 9:25:48 -	LMT	1895 Feb
 			9:30	AS	AC%sT
 
 # Lord Howe Island
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	LH	1981	1984	-	Oct	lastSun	2:00	1:00	-
 Rule	LH	1982	1985	-	Mar	Sun>=1	2:00	0	-
 Rule	LH	1985	only	-	Oct	lastSun	2:00	0:30	-
@@ -275,8 +270,9 @@ Zone Antarctica/Macquarie 0	-	-00	1899 Nov
 			10:00	Aus	AE%sT	1919 Apr  1  0:00s
 			0	-	-00	1948 Mar 25
 			10:00	Aus	AE%sT	1967
-			10:00	AT	AE%sT	2010 Apr  4  3:00
-			11:00	-	+11
+			10:00	AT	AE%sT	2010
+			10:00	1:00	AEDT	2011
+			10:00	AT	AE%sT
 
 # Christmas
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
@@ -403,7 +399,20 @@ Zone	Indian/Cocos	6:27:40	-	LMT	1900
 # From Michael Deckers (2019-08-06):
 # https://www.laws.gov.fj/LawsAsMade/downloadfile/848
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# From Raymond Kumar (2020-10-08):
+# [DST in Fiji] is from December 20th 2020, till 17th January 2021.
+# From Alan Mintz (2020-10-08):
+# https://www.laws.gov.fj/LawsAsMade/GetFile/1071
+# From Tim Parenti (2020-10-08):
+# https://www.fijivillage.com/news/Daylight-saving-from-Dec-20th-this-year-to-Jan-17th-2021-8rf4x5/
+# "Minister for Employment, Parveen Bala says they had never thought of
+# stopping daylight saving. He says it was just to decide on when it should
+# start and end.  Bala says it is a short period..."
+# Since the end date is still in line with our ongoing predictions, assume for
+# now that the later-than-usual start date is a one-time departure from the
+# recent second Sunday in November pattern.
+
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Fiji	1998	1999	-	Nov	Sun>=1	2:00	1:00	-
 Rule	Fiji	1999	2000	-	Feb	lastSun	3:00	0	-
 Rule	Fiji	2009	only	-	Nov	29	2:00	1:00	-
@@ -414,7 +423,9 @@ Rule	Fiji	2012	2013	-	Jan	Sun>=18	3:00	0	-
 Rule	Fiji	2014	only	-	Jan	Sun>=18	2:00	0	-
 Rule	Fiji	2014	2018	-	Nov	Sun>=1	2:00	1:00	-
 Rule	Fiji	2015	max	-	Jan	Sun>=12	3:00	0	-
-Rule	Fiji	2019	max	-	Nov	Sun>=8	2:00	1:00	-
+Rule	Fiji	2019	only	-	Nov	Sun>=8	2:00	1:00	-
+Rule	Fiji	2020	only	-	Dec	20	2:00	1:00	-
+Rule	Fiji	2021	max	-	Nov	Sun>=8	2:00	1:00	-
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Pacific/Fiji	11:55:44 -	LMT	1915 Oct 26 # Suva
 			12:00	Fiji	+12/+13
@@ -432,7 +443,7 @@ Zone	Pacific/Tahiti	 -9:58:16 -	LMT	1912 Oct # Papeete
 
 # Guam
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 # http://guamlegislature.com/Public_Laws_5th/PL05-025.pdf
 # http://documents.guam.gov/wp-content/uploads/E.O.-59-7-Guam-Daylight-Savings-Time-May-6-1959.pdf
 Rule	Guam	1959	only	-	Jun	27	2:00	1:00	D
@@ -543,7 +554,7 @@ Zone	Pacific/Nauru	11:07:40 -	LMT	1921 Jan 15 # Uaobe
 			12:00	-	+12
 
 # New Caledonia
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	NC	1977	1978	-	Dec	Sun>=1	0:00	1:00	-
 Rule	NC	1978	1979	-	Feb	27	0:00	0	-
 Rule	NC	1996	only	-	Dec	 1	2:00s	1:00	-
@@ -558,7 +569,7 @@ Zone	Pacific/Noumea	11:05:48 -	LMT	1912 Jan 13 # Nouméa
 
 # New Zealand
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	NZ	1927	only	-	Nov	 6	2:00	1:00	S
 Rule	NZ	1928	only	-	Mar	 4	2:00	0	M
 Rule	NZ	1928	1933	-	Oct	Sun>=8	2:00	0:30	S
@@ -610,7 +621,7 @@ Link Pacific/Auckland Antarctica/McMurdo
 
 # Cook Is
 # From Shanks & Pottenger:
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Cook	1978	only	-	Nov	12	0:00	0:30	-
 Rule	Cook	1979	1991	-	Mar	Sun>=1	0:00	0	-
 Rule	Cook	1979	1990	-	Oct	lastSun	0:00	0:30	-
@@ -755,7 +766,7 @@ Link Pacific/Pago_Pago Pacific/Midway # in US minor outlying islands
 # That web page currently lists transitions for 2012/3 and 2013/4.
 # Assume the pattern instituted in 2012 will continue indefinitely.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	WS	2010	only	-	Sep	lastSun	0:00	1	-
 Rule	WS	2011	only	-	Apr	Sat>=1	4:00	0	-
 Rule	WS	2011	only	-	Sep	lastSat	3:00	1	-
@@ -799,7 +810,7 @@ Zone	Pacific/Fakaofo	-11:24:56 -	LMT	1901
 			13:00	-	+13
 
 # Tonga
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Tonga	1999	only	-	Oct	 7	2:00s	1:00	-
 Rule	Tonga	2000	only	-	Mar	19	2:00s	0	-
 Rule	Tonga	2000	2001	-	Nov	Sun>=1	2:00	1:00	-
@@ -880,13 +891,36 @@ Zone	Pacific/Wake	11:06:28 -	LMT	1901
 
 
 # Vanuatu
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Vanuatu	1983	only	-	Sep	25	0:00	1:00	-
-Rule	Vanuatu	1984	1991	-	Mar	Sun>=23	0:00	0	-
-Rule	Vanuatu	1984	only	-	Oct	23	0:00	1:00	-
-Rule	Vanuatu	1985	1991	-	Sep	Sun>=23	0:00	1:00	-
-Rule	Vanuatu	1992	1993	-	Jan	Sun>=23	0:00	0	-
-Rule	Vanuatu	1992	only	-	Oct	Sun>=23	0:00	1:00	-
+
+# From P Chan (2020-11-27):
+# Joint Daylight Saving Regulation No 59 of 1973
+# New Hebrides Condominium Gazette No 336. December 1973
+# http://www.paclii.org/vu/other/VUNHGovGaz//1973/11.pdf#page=15
+#
+# Joint Daylight Saving (Repeal) Regulation No 10 of 1974
+# New Hebrides Condominium Gazette No 336. March 1974
+# http://www.paclii.org/vu/other/VUNHGovGaz//1974/3.pdf#page=11
+#
+# Summer Time Act No. 35 of 1982 [commenced 1983-09-01]
+# http://www.paclii.org/vu/other/VUGovGaz/1982/32.pdf#page=48
+#
+# Summer Time Act (Cap 157)
+# Laws of the Republic of Vanuatu Revised Edition 1988
+# http://www.paclii.org/cgi-bin/sinodisp/vu/legis/consol_act1988/sta147/sta147.html
+#
+# Summer Time (Amendment) Act No. 6 of 1991 [commenced 1991-11-11]
+# http://www.paclii.org/vu/legis/num_act/sta1991227/
+#
+# Summer Time (Repeal) Act No. 4 of 1993 [commenced 1993-05-03]
+# http://www.paclii.org/vu/other/VUGovGaz/1993/15.pdf#page=59
+
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
+Rule	Vanuatu	1973	only	-	Dec	22	12:00u	1:00	-
+Rule	Vanuatu	1974	only	-	Mar	30	12:00u	0	-
+Rule	Vanuatu	1983	1991	-	Sep	Sat>=22	24:00	1:00	-
+Rule	Vanuatu	1984	1991	-	Mar	Sat>=22	24:00	0	-
+Rule	Vanuatu	1992	1993	-	Jan	Sat>=22	24:00	0	-
+Rule	Vanuatu	1992	only	-	Oct	Sat>=22	24:00	1:00	-
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Pacific/Efate	11:13:16 -	LMT	1912 Jan 13 # Vila
 			11:00	Vanuatu	+11/+12
@@ -965,6 +999,25 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # Electronic Journal of Australian and New Zealand History (1997-03-03)
 # http://www.jcu.edu.au/aff/history/reviews/davison.htm
 
+# From P Chan (2020-11-20):
+# Daylight Saving Act 1916 (No. 40 of 1916) [1916-12-21, commenced 1917-01-01]
+# http://classic.austlii.edu.au/au/legis/cth/num_act/dsa1916401916192/
+#
+# Daylight Saving Repeal Act 1917 (No. 35 of 1917) [1917-09-25]
+# http://classic.austlii.edu.au/au/legis/cth/num_act/dsra1917351917243/
+#
+# Statutory Rules 1941, No. 323 [1941-12-24]
+# https://www.legislation.gov.au/Details/C1941L00323
+#
+# Statutory Rules 1942, No. 392 [1942-09-10]
+# https://www.legislation.gov.au/Details/C1942L00392
+#
+# Statutory Rules 1943, No. 241 [1943-09-29]
+# https://www.legislation.gov.au/Details/C1943L00241
+#
+# All transition times should be 02:00 standard time.
+
+
 # From Paul Eggert (2005-12-08):
 # Implementation Dates of Daylight Saving Time within Australia
 # http://www.bom.gov.au/climate/averages/tables/dst_times.shtml
@@ -1357,6 +1410,27 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 
 # Tasmania
 
+# From P Chan (2020-11-20):
+# Tasmania observed DST in 1916-1919.
+#
+# Daylight Saving Act, 1916 (7 Geo V, No 2) [1916-09-22]
+# http://classic.austlii.edu.au/au/legis/tas/num_act/tdsa19167gvn2267/
+#
+# Daylight Saving Amendment Act, 1917 (8 Geo V, No 5) [1917-10-01]
+# http://classic.austlii.edu.au/au/legis/tas/num_act/tdsaa19178gvn5347/
+#
+# Daylight Saving Act Repeal Act, 1919 (10 Geo V, No 9) [1919-10-24]
+# http://classic.austlii.edu.au/au/legis/tas/num_act/tdsara191910gvn9339/
+#
+# King Island is mentioned in the 1967 Act but not the 1968 Act.
+# Therefore it possibly observed DST from 1968/69.
+#
+# Daylight Saving Act 1967 (No. 33 of 1967) [1967-09-22]
+# http://classic.austlii.edu.au/au/legis/tas/num_act/dsa196733o1967211/
+#
+# Daylight Saving Act 1968 (No. 42 of 1968) [1968-10-15]
+# http://classic.austlii.edu.au/au/legis/tas/num_act/dsa196842o1968211/
+
 # The rules for 1967 through 1991 were reported by George Shepherd
 # via Simon Woodhead via Robert Elz (1991-03-06):
 # #  The state of TASMANIA.. [Courtesy Tasmanian Dept of Premier + Cabinet ]

make/data/tzdata/backward

@@ -72,6 +72,7 @@ Link	Atlantic/Faroe		Atlantic/Faeroe
 Link	Europe/Oslo		Atlantic/Jan_Mayen
 Link	Australia/Sydney	Australia/ACT
 Link	Australia/Sydney	Australia/Canberra
+Link	Australia/Hobart	Australia/Currie
 Link	Australia/Lord_Howe	Australia/LHI
 Link	Australia/Sydney	Australia/NSW
 Link	Australia/Darwin	Australia/North

make/data/tzdata/etcetera

@@ -26,12 +26,11 @@
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
-# These entries are mostly present for historical reasons, so that
-# people in areas not otherwise covered by the tz files could "zic -l"
-# to a timezone that was right for their area.  These days, the
-# tz files cover almost all the inhabited world, and the only practical
-# need now for the entries that are not on UTC are for ships at sea
-# that cannot use POSIX TZ settings.
+# These entries are for uses not otherwise covered by the tz database.
+# Their main practical use is for platforms like Android that lack
+# support for POSIX-style TZ strings.  On such platforms these entries
+# can be useful if the timezone database is wrong or if a ship or
+# aircraft at sea is not in a timezone.
 
 # Starting with POSIX 1003.1-2001, the entries below are all
 # unnecessary as settings for the TZ environment variable.  E.g.,

make/data/tzdata/europe

@@ -411,7 +411,7 @@
 # http://www.irishstatutebook.ie/eli/1926/sro/919/made/en/print
 # http://www.irishstatutebook.ie/eli/1947/sro/71/made/en/print
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 # Summer Time Act, 1916
 Rule	GB-Eire	1916	only	-	May	21	2:00s	1:00	BST
 Rule	GB-Eire	1916	only	-	Oct	 1	2:00s	0	GMT
@@ -552,7 +552,7 @@ Link	Europe/London	Europe/Isle_of_Man
 # The following is like GB-Eire and EU, except with standard time in
 # summer and negative daylight saving time in winter.  It is for when
 # negative SAVE values are used.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Eire	1971	only	-	Oct	31	 2:00u	-1:00	-
 Rule	Eire	1972	1980	-	Mar	Sun>=16	 2:00u	0	-
 Rule	Eire	1972	1980	-	Oct	Sun>=23	 2:00u	-1:00	-
@@ -589,7 +589,7 @@ Zone	Europe/Dublin	-0:25:00 -	LMT	1880 Aug  2
 # predecessor organization, the European Communities.
 # For brevity they are called "EU rules" elsewhere in this file.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	EU	1977	1980	-	Apr	Sun>=1	 1:00u	1:00	S
 Rule	EU	1977	only	-	Sep	lastSun	 1:00u	0	-
 Rule	EU	1978	only	-	Oct	 1	 1:00u	0	-
@@ -629,13 +629,13 @@ Rule	C-Eur	1944	only	-	Oct	 2	 2:00s	0	-
 # corrected in version 2008d). The circumstantial evidence is simply the
 # tz database itself, as seen below:
 #
-# Zone Europe/Paris 0:09:21 - LMT 1891 Mar 15  0:01
+# Zone Europe/Paris ...
 #    0:00 France WE%sT 1945 Sep 16  3:00
 #
-# Zone Europe/Monaco 0:29:32 - LMT 1891 Mar 15
+# Zone Europe/Monaco ...
 #    0:00 France WE%sT 1945 Sep 16  3:00
 #
-# Zone Europe/Belgrade 1:22:00 - LMT 1884
+# Zone Europe/Belgrade ...
 #    1:00 1:00 CEST 1945 Sep 16  2:00s
 #
 # Rule France 1945 only - Sep 16  3:00 0 -
@@ -681,7 +681,7 @@ Rule	E-Eur	1996	max	-	Oct	lastSun	 0:00	0	-
 #
 # The 1917-1921 decree URLs are from Alexander Belopolsky (2016-08-23).
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Russia	1917	only	-	Jul	 1	23:00	1:00	MST  # Moscow Summer Time
 #
 # Decree No. 142 (1917-12-22) http://istmat.info/node/28137
@@ -795,7 +795,7 @@ Zone	EET		2:00	EU	EE%sT
 
 
 # Albania
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Albania	1940	only	-	Jun	16	0:00	1:00	S
 Rule	Albania	1942	only	-	Nov	 2	3:00	0	-
 Rule	Albania	1943	only	-	Mar	29	2:00	1:00	S
@@ -849,7 +849,7 @@ Zone	Europe/Andorra	0:06:04 -	LMT	1901
 # In 1946 the end of DST was on Monday, 7 October 1946, at 3:00 am.
 # Shanks had this right.  Source: Die Weltpresse, 5. Oktober 1946, page 5.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Austria	1920	only	-	Apr	 5	2:00s	1:00	S
 Rule	Austria	1920	only	-	Sep	13	2:00s	0	-
 Rule	Austria	1946	only	-	Apr	14	2:00s	1:00	S
@@ -936,7 +936,7 @@ Zone	Europe/Minsk	1:50:16 -	LMT	1880
 # The 1918 rules are listed for completeness; they apply to unoccupied Belgium.
 # Assume Brussels switched to WET in 1918 when the armistice took effect.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Belgium	1918	only	-	Mar	 9	 0:00s	1:00	S
 Rule	Belgium	1918	1919	-	Oct	Sat>=1	23:00s	0	-
 Rule	Belgium	1919	only	-	Mar	 1	23:00s	1:00	S
@@ -996,7 +996,7 @@ Zone	Europe/Brussels	0:17:30 -	LMT	1880
 # EET -> EETDST is in 03:00 Local time in last Sunday of March ...
 # EETDST -> EET is in 04:00 Local time in last Sunday of October
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Bulg	1979	only	-	Mar	31	23:00	1:00	S
 Rule	Bulg	1979	only	-	Oct	 1	 1:00	0	-
 Rule	Bulg	1980	1982	-	Apr	Sat>=1	23:00	1:00	S
@@ -1028,7 +1028,7 @@ Zone	Europe/Sofia	1:33:16 -	LMT	1880
 # We know of no English-language name for historical Czech winter time;
 # abbreviate it as "GMT", as it happened to be GMT.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Czech	1945	only	-	Apr	Mon>=1	2:00s	1:00	S
 Rule	Czech	1945	only	-	Oct	 1	2:00s	0	-
 Rule	Czech	1946	only	-	May	 6	2:00s	1:00	S
@@ -1052,17 +1052,16 @@ Zone	Europe/Prague	0:57:44 -	LMT	1850
 # Denmark, Faroe Islands, and Greenland
 
 # From Jesper Nørgaard Welen (2005-04-26):
-# http://www.hum.aau.dk/~poe/tid/tine/DanskTid.htm says that the law
-# [introducing standard time] was in effect from 1894-01-01....
-# The page http://www.retsinfo.dk/_GETDOCI_/ACCN/A18930008330-REGL
+# the law [introducing standard time] was in effect from 1894-01-01....
+# The page https://www.retsinformation.dk/eli/lta/1893/83
 # confirms this, and states that the law was put forth 1893-03-29.
 #
 # The EU [actually, EEC and Euratom] treaty with effect from 1973:
-# http://www.retsinfo.dk/_GETDOCI_/ACCN/A19722110030-REGL
+# https://www.retsinformation.dk/eli/lta/1972/21100
 #
 # This provoked a new law from 1974 to make possible summer time changes
 # in subsequent decrees with the law
-# http://www.retsinfo.dk/_GETDOCI_/ACCN/A19740022330-REGL
+# https://www.retsinformation.dk/eli/lta/1974/223
 #
 # It seems however that no decree was set forward until 1980.  I have
 # not found any decree, but in another related law, the effecting DST
@@ -1074,7 +1073,7 @@ Zone	Europe/Prague	0:57:44 -	LMT	1850
 # The law is about the management of the extra hour, concerning
 # working hours reported and effect on obligatory-rest rules (which
 # was suspended on that night):
-# http://www.retsinfo.dk/_GETDOCI_/ACCN/C19801120554-REGL
+# https://web.archive.org/web/20140104053304/https://www.retsinformation.dk/Forms/R0710.aspx?id=60267
 
 # From Jesper Nørgaard Welen (2005-06-11):
 # The Herning Folkeblad (1980-09-26) reported that the night between
@@ -1084,7 +1083,7 @@ Zone	Europe/Prague	0:57:44 -	LMT	1850
 # Hence the "02:00" of the 1980 law refers to standard time, not
 # wall-clock time, and so the EU rules were in effect in 1980.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Denmark	1916	only	-	May	14	23:00	1:00	S
 Rule	Denmark	1916	only	-	Sep	30	23:00	0	-
 Rule	Denmark	1940	only	-	May	15	 0:00	1:00	S
@@ -1186,7 +1185,7 @@ Zone Atlantic/Faroe	-0:27:04 -	LMT	1908 Jan 11 # Tórshavn
 # http://naalakkersuisut.gl/~/media/Nanoq/Files/Attached%20Files/Engelske-tekster/Legislation/Executive%20Order%20National%20Park.rtf
 # It is their only National Park.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Thule	1991	1992	-	Mar	lastSun	2:00	1:00	D
 Rule	Thule	1991	1992	-	Sep	lastSun	2:00	0	S
 Rule	Thule	1993	2006	-	Apr	Sun>=1	2:00	1:00	D
@@ -1317,7 +1316,7 @@ Zone	Europe/Tallinn	1:39:00	-	LMT	1880
 # From Paul Eggert (2014-06-14):
 # Go with Oja over Shanks.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Finland	1942	only	-	Apr	2	24:00	1:00	S
 Rule	Finland	1942	only	-	Oct	4	1:00	0	-
 Rule	Finland	1981	1982	-	Mar	lastSun	2:00	1:00	S
@@ -1349,10 +1348,58 @@ Link	Europe/Helsinki	Europe/Mariehamn
 # Françoise Gauquelin, Problèmes de l'heure résolus en astrologie,
 # Guy Trédaniel, Paris 1987
 
+# From Michael Deckers (2020-06-11):
+# the law of 1891 <https://gallica.bnf.fr/ark:/12148/bpt6k64415343.texteImage>
+# was published on 1891-03-15, so it could only take force on 1891-03-16.
+
+# From Michael Deckers (2020-06-10):
+# Le Gaulois, 1911-03-11, page 1/6, online at
+# https://www.retronews.fr/societe/echo-de-presse/2018/01/29/1911-change-lheure-de-paris
+# ... [ Instantly, all pressure driven clock dials halted...  Nine minutes and
+#       twenty-one seconds later the hands resumed their circular motion. ]
+# There are also precise reports about how the change was prepared in train
+# stations: all the publicly visible clocks stopped at midnight railway time
+# (or were covered), only the chief of service had a watch, labeled
+# "Heure ancienne", that he kept running until it reached 00:04:21, when
+# he announced "Heure nouvelle".  See the "Le Petit Journal 1911-03-11".
+# https://gallica.bnf.fr/ark:/12148/bpt6k6192911/f1.item.zoom
+#
+# From Michael Deckers (2020-06-12):
+# That "all French clocks stopped" for 00:09:21 is a misreading of French
+# newspapers; this sort of adjustment applies only to certain
+# remote-controlled clocks ("pendules pneumatiques", of which there existed
+# perhaps a dozen in Paris, and which simply could not be set back remotely),
+# but not to all the clocks in all French towns and villages.  For instance,
+# the following story in the "Courrier de Saône-et-Loire" 1911-03-11, page 2:
+# only works if legal time was stepped back (was not monotone): ...
+#   [One can observe that children who had been born at midnight less 5
+#    minutes and who had died at midnight of the old time, would turn out to
+#    be dead before being born, time having been set back and having
+#    suppressed 9 minutes and 25 seconds of their existence, that is, more
+#    than they could spend.]
+#
+# From Paul Eggert (2020-06-12):
+# French time in railway stations was legally five minutes behind civil time,
+# which explains why railway "old time" ran to 00:04:21 instead of to 00:09:21.
+# The law's text (which Michael Deckers noted is at
+# <https://gallica.bnf.fr/ark:/12148/bpt6k2022333z/f2>) says only that
+# at 1911-03-11 00:00 legal time was that of Paris mean time delayed by
+# nine minutes and twenty-one seconds, and does not say how the
+# transition from Paris mean time was to occur.
+#
+# tzdb has no way to represent stopped clocks.  As the railway practice
+# was to keep a watch running on "old time" to decide when to restart
+# the other clocks, this could be modeled as a transition for "old time" at
+# 00:09:21.  However, since the law was ambiguous and clocks outside railway
+# stations were probably done haphazardly with the popular impression being
+# that the transition was done at 00:00 "old time", simply leave the time
+# blank; this causes zic to default to 00:00 "old time" which is good enough.
+# Do something similar for the 1891-03-16 transition.  There are similar
+# problems in Algiers, Monaco and Tunis.
 
 #
 # Shank & Pottenger seem to use '24:00' ambiguously; resolve it with Whitman.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	France	1916	only	-	Jun	14	23:00s	1:00	S
 Rule	France	1916	1919	-	Oct	Sun>=1	23:00s	0	-
 Rule	France	1917	only	-	Mar	24	23:00s	1:00	S
@@ -1412,13 +1459,11 @@ Rule	France	1945	only	-	Sep	16	 3:00	0	-
 # go with Excoffier's 28/3/76 0hUT and 25/9/76 23hUT.
 Rule	France	1976	only	-	Mar	28	 1:00	1:00	S
 Rule	France	1976	only	-	Sep	26	 1:00	0	-
-# Shanks & Pottenger give 0:09:20 for Paris Mean Time, and Whitman 0:09:05,
-# but Howse quotes the actual French legislation as saying 0:09:21.
-# Go with Howse.  Howse writes that the time in France was officially based
+# Howse writes that the time in France was officially based
 # on PMT-0:09:21 until 1978-08-09, when the time base finally switched to UTC.
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
-Zone	Europe/Paris	0:09:21 -	LMT	1891 Mar 15  0:01
-			0:09:21	-	PMT	1911 Mar 11  0:01 # Paris MT
+Zone	Europe/Paris	0:09:21 -	LMT	1891 Mar 16
+			0:09:21	-	PMT	1911 Mar 11 # Paris Mean Time
 # Shanks & Pottenger give 1940 Jun 14 0:00; go with Excoffier and Le Corre.
 			0:00	France	WE%sT	1940 Jun 14 23:00
 # Le Corre says Paris stuck with occupied-France time after the liberation;
@@ -1447,7 +1492,7 @@ Zone	Europe/Paris	0:09:21 -	LMT	1891 Mar 15  0:01
 # this was equivalent to UT +03, not +04.
 
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Germany	1946	only	-	Apr	14	2:00s	1:00	S
 Rule	Germany	1946	only	-	Oct	 7	2:00s	0	-
 Rule	Germany	1947	1949	-	Oct	Sun>=1	2:00s	0	-
@@ -1499,7 +1544,7 @@ Zone Europe/Gibraltar	-0:21:24 -	LMT	1880 Aug  2  0:00s
 			1:00	EU	CE%sT
 
 # Greece
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 # Whitman gives 1932 Jul 5 - Nov 1; go with Shanks & Pottenger.
 Rule	Greece	1932	only	-	Jul	 7	0:00	1:00	S
 Rule	Greece	1932	only	-	Sep	 1	0:00	0	-
@@ -1534,38 +1579,73 @@ Zone	Europe/Athens	1:34:52 -	LMT	1895 Sep 14
 			2:00	EU	EE%sT
 
 # Hungary
-# From Paul Eggert (2014-07-15):
-# Dates for 1916-1945 are taken from:
-# Oross A. Jelen a múlt jövője: a nyári időszámítás Magyarországon 1916-1945.
-# National Archives of Hungary (2012-10-29).
-# http://mnl.gov.hu/a_het_dokumentuma/a_nyari_idoszamitas_magyarorszagon_19161945.html
-# This source does not always give times, which are taken from Shanks
-# & Pottenger (which disagree about the dates).
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Hungary	1918	only	-	Apr	 1	 3:00	1:00	S
-Rule	Hungary	1918	only	-	Sep	16	 3:00	0	-
-Rule	Hungary	1919	only	-	Apr	15	 3:00	1:00	S
-Rule	Hungary	1919	only	-	Nov	24	 3:00	0	-
+
+# From Michael Deckers (2020-06-09):
+# an Austrian encyclopedia of railroads of 1913, online at
+# http://www.zeno.org/Roell-1912/A/Eisenbahnzeit
+# says that the switch [to CET] happened on 1890-11-01.
+
+# From Géza Nyáry (2020-06-07):
+# Data for 1918-1983 are based on the archive database of Library Hungaricana.
+# The dates are collected from original, scanned governmental orders,
+# bulletins, instructions and public press.
+# [See URLs below.]
+
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
+# https://library.hungaricana.hu/hu/view/OGYK_RT_1918/?pg=238
+# https://library.hungaricana.hu/hu/view/OGYK_RT_1919/?pg=808
+# https://library.hungaricana.hu/hu/view/OGYK_RT_1920/?pg=201
+Rule	Hungary	1918	1919	-	Apr	15	 2:00	1:00	S
+Rule	Hungary	1918	1920	-	Sep	Mon>=15	 3:00	0	-
+Rule	Hungary	1920	only	-	Apr	 5	 2:00	1:00	S
+# https://library.hungaricana.hu/hu/view/OGYK_RT_1945/?pg=882
 Rule	Hungary	1945	only	-	May	 1	23:00	1:00	S
-Rule	Hungary	1945	only	-	Nov	 1	 0:00	0	-
+Rule	Hungary	1945	only	-	Nov	 1	 1:00	0	-
+# https://library.hungaricana.hu/hu/view/Delmagyarorszag_1946_03/?pg=49
 Rule	Hungary	1946	only	-	Mar	31	 2:00s	1:00	S
-Rule	Hungary	1946	1949	-	Oct	Sun>=1	 2:00s	0	-
+# https://library.hungaricana.hu/hu/view/Delmagyarorszag_1946_09/?pg=54
+Rule	Hungary	1946	only	-	Oct	 7	 2:00	0	-
+# https://library.hungaricana.hu/hu/view/KulfBelfHirek_1947_04_1__001-123/?pg=90
+# https://library.hungaricana.hu/hu/view/DunantuliNaplo_1947_09/?pg=128
+# https://library.hungaricana.hu/hu/view/KulfBelfHirek_1948_03_3__001-123/?pg=304
+# https://library.hungaricana.hu/hu/view/Zala_1948_09/?pg=64
+# https://library.hungaricana.hu/hu/view/SatoraljaujhelyiLeveltar_ZempleniNepujsag_1948/?pg=53
+# https://library.hungaricana.hu/hu/view/SatoraljaujhelyiLeveltar_ZempleniNepujsag_1948/?pg=160
+# https://library.hungaricana.hu/hu/view/UjSzo_1949_01-04/?pg=102
+# https://library.hungaricana.hu/hu/view/KeletMagyarorszag_1949_03/?pg=96
+# https://library.hungaricana.hu/hu/view/Delmagyarorszag_1949_09/?pg=94
 Rule	Hungary	1947	1949	-	Apr	Sun>=4	 2:00s	1:00	S
-Rule	Hungary	1950	only	-	Apr	17	 2:00s	1:00	S
-Rule	Hungary	1950	only	-	Oct	23	 2:00s	0	-
-Rule	Hungary	1954	1955	-	May	23	 0:00	1:00	S
-Rule	Hungary	1954	1955	-	Oct	 3	 0:00	0	-
-Rule	Hungary	1956	only	-	Jun	Sun>=1	 0:00	1:00	S
-Rule	Hungary	1956	only	-	Sep	lastSun	 0:00	0	-
-Rule	Hungary	1957	only	-	Jun	Sun>=1	 1:00	1:00	S
-Rule	Hungary	1957	only	-	Sep	lastSun	 3:00	0	-
-Rule	Hungary	1980	only	-	Apr	 6	 1:00	1:00	S
+Rule	Hungary	1947	1949	-	Oct	Sun>=1	 2:00s	0	-
+# https://library.hungaricana.hu/hu/view/DTT_KOZL_TanacsokKozlonye_1954/?pg=513
+Rule	Hungary	1954	only	-	May	23	 0:00	1:00	S
+Rule	Hungary	1954	only	-	Oct	 3	 0:00	0	-
+# https://library.hungaricana.hu/hu/view/DTT_KOZL_TanacsokKozlonye_1955/?pg=398
+Rule	Hungary	1955	only	-	May	22	 2:00	1:00	S
+Rule	Hungary	1955	only	-	Oct	 2	 3:00	0	-
+# https://library.hungaricana.hu/hu/view/HevesMegyeiNepujsag_1956_06/?pg=0
+# https://library.hungaricana.hu/hu/view/EszakMagyarorszag_1956_06/?pg=6
+# https://library.hungaricana.hu/hu/view/SzolnokMegyeiNeplap_1957_04/?pg=120
+# https://library.hungaricana.hu/hu/view/PestMegyeiHirlap_1957_09/?pg=143
+Rule	Hungary	1956	1957	-	Jun	Sun>=1	 2:00	1:00	S
+Rule	Hungary	1956	1957	-	Sep	lastSun	 3:00	0	-
+# https://library.hungaricana.hu/hu/view/DTT_KOZL_TanacsokKozlonye_1980/?pg=189
+Rule	Hungary	1980	only	-	Apr	 6	 0:00	1:00	S
+Rule	Hungary	1980	only	-	Sep	28	 1:00	0	-
+# https://library.hungaricana.hu/hu/view/DTT_KOZL_TanacsokKozlonye_1980/?pg=1227
+# https://library.hungaricana.hu/hu/view/Delmagyarorszag_1981_01/?pg=79
+# https://library.hungaricana.hu/hu/view/DTT_KOZL_TanacsokKozlonye_1982/?pg=115
+# https://library.hungaricana.hu/hu/view/DTT_KOZL_TanacsokKozlonye_1983/?pg=85
+Rule	Hungary	1981	1983	-	Mar	lastSun	 0:00	1:00	S
+Rule	Hungary	1981	1983	-	Sep	lastSun	 1:00	0	-
+#
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
-Zone	Europe/Budapest	1:16:20 -	LMT	1890 Oct
+Zone	Europe/Budapest	1:16:20 -	LMT	1890 Nov  1
 			1:00	C-Eur	CE%sT	1918
-			1:00	Hungary	CE%sT	1941 Apr  8
+# https://library.hungaricana.hu/hu/view/OGYK_RT_1941/?pg=1204
+# https://library.hungaricana.hu/hu/view/OGYK_RT_1942/?pg=3955
+			1:00	Hungary	CE%sT	1941 Apr  7 23:00
 			1:00	C-Eur	CE%sT	1945
-			1:00	Hungary	CE%sT	1980 Sep 28  2:00s
+			1:00	Hungary	CE%sT	1984
 			1:00	EU	CE%sT
 
 # Iceland
@@ -1601,7 +1681,7 @@ Zone	Europe/Budapest	1:16:20 -	LMT	1890 Oct
 # The information below is taken from the 1988 Almanak; see
 # http://www.almanak.hi.is/klukkan.html
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Iceland	1917	1919	-	Feb	19	23:00	1:00	-
 Rule	Iceland	1917	only	-	Oct	21	 1:00	0	-
 Rule	Iceland	1918	1919	-	Nov	16	 1:00	0	-
@@ -1693,7 +1773,7 @@ Zone Atlantic/Reykjavik	-1:28	-	LMT	1908
 # to 1944-06-04; although Rome was an open city during this period, it
 # was effectively controlled by Germany.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Italy	1916	only	-	Jun	 3	24:00	1:00	S
 Rule	Italy	1916	1917	-	Sep	30	24:00	0	-
 Rule	Italy	1917	only	-	Mar	31	24:00	1:00	S
@@ -1803,7 +1883,7 @@ Link	Europe/Rome	Europe/San_Marino
 # urged Lithuania and Estonia to adopt a similar time policy, but it
 # appears that they will not do so....
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Latvia	1989	1996	-	Mar	lastSun	 2:00s	1:00	S
 Rule	Latvia	1989	1996	-	Sep	lastSun	 2:00s	0	-
 
@@ -1896,7 +1976,7 @@ Zone	Europe/Vilnius	1:41:16	-	LMT	1880
 # Luxembourg
 # Whitman disagrees with most of these dates in minor ways;
 # go with Shanks & Pottenger.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Lux	1916	only	-	May	14	23:00	1:00	S
 Rule	Lux	1916	only	-	Oct	 1	 1:00	0	-
 Rule	Lux	1917	only	-	Apr	28	23:00	1:00	S
@@ -1937,7 +2017,7 @@ Zone Europe/Luxembourg	0:24:36 -	LMT	1904 Jun
 # From Paul Eggert (2016-10-21):
 # Assume 1900-1972 was like Rome, overriding Shanks.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Malta	1973	only	-	Mar	31	0:00s	1:00	S
 Rule	Malta	1973	only	-	Sep	29	0:00s	0	-
 Rule	Malta	1974	only	-	Apr	21	0:00s	1:00	S
@@ -2010,7 +2090,7 @@ Zone	Europe/Malta	0:58:04 -	LMT	1893 Nov  2  0:00s # Valletta
 # says the 2014-03-30 spring-forward transition was at 02:00 local time.
 # Guess that since 1997 Moldova has switched one hour before the EU.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Moldova	1997	max	-	Mar	lastSun	 2:00	1:00	S
 Rule	Moldova	1997	max	-	Oct	lastSun	 3:00	0	-
 
@@ -2028,11 +2108,24 @@ Zone	Europe/Chisinau	1:55:20 -	LMT	1880
 			2:00	Moldova	EE%sT
 
 # Monaco
-# Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
-# more precise 0:09:21.
+#
+# From Michael Deckers (2020-06-12):
+# In the "Journal de Monaco" of 1892-05-24, online at
+# https://journaldemonaco.gouv.mc/var/jdm/storage/original/application/b1c67c12c5af11b41ea888fb048e4fe8.pdf
+# we read: ...
+#  [In virtue of a Sovereign Ordinance of the May 13 of the current [year],
+#   legal time in the Principality will be set to, from the date of June 1,
+#   1892 onwards, to the meridian of Paris, as in France.]
+# In the "Journal de Monaco" of 1911-03-28, online at
+# https://journaldemonaco.gouv.mc/var/jdm/storage/original/application/de74ffb7db53d4f599059fe8f0ed482a.pdf
+# we read an ordinance of 1911-03-16: ...
+#  [Legal time in the Principality will be set, from the date of promulgation
+#   of the present ordinance, to legal time in France....  Consequently, legal
+#   time will be retarded by 9 minutes and 21 seconds.]
+#
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
-Zone	Europe/Monaco	0:29:32 -	LMT	1891 Mar 15
-			0:09:21	-	PMT	1911 Mar 11 # Paris Mean Time
+Zone	Europe/Monaco	0:29:32 -	LMT	1892 Jun  1
+			0:09:21	-	PMT	1911 Mar 29 # Paris Mean Time
 			0:00	France	WE%sT	1945 Sep 16  3:00
 			1:00	France	CE%sT	1977
 			1:00	EU	CE%sT
@@ -2080,7 +2173,7 @@ Zone	Europe/Monaco	0:29:32 -	LMT	1891 Mar 15
 # The data entries before 1945 are taken from
 # https://www.staff.science.uu.nl/~gent0113/wettijd/wettijd.htm
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Neth	1916	only	-	May	 1	0:00	1:00	NST	# Netherlands Summer Time
 Rule	Neth	1916	only	-	Oct	 1	0:00	0	AMT	# Amsterdam Mean Time
 Rule	Neth	1917	only	-	Apr	16	2:00s	1:00	NST
@@ -2117,7 +2210,7 @@ Zone Europe/Amsterdam	0:19:32 -	LMT	1835
 # Norway
 # http://met.no/met/met_lex/q_u/sommertid.html (2004-01) agrees with Shanks &
 # Pottenger.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Norway	1916	only	-	May	22	1:00	1:00	S
 Rule	Norway	1916	only	-	Sep	30	0:00	0	-
 Rule	Norway	1945	only	-	Apr	 2	2:00s	1:00	S
@@ -2186,7 +2279,7 @@ Link	Europe/Oslo	Arctic/Longyearbyen
 # The 1919 dates and times can be found in Tygodnik Urzędowy nr 1 (1919-03-20),
 # <http://www.wbc.poznan.pl/publication/32156> pp 1-2.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Poland	1918	1919	-	Sep	16	2:00s	0	-
 Rule	Poland	1919	only	-	Apr	15	2:00s	1:00	S
 Rule	Poland	1944	only	-	Apr	 3	2:00s	1:00	S
@@ -2257,7 +2350,7 @@ Zone	Europe/Warsaw	1:24:00 -	LMT	1880
 # Guess that the Azores changed to EU rules in 1992 (since that's when Portugal
 # harmonized with EU rules), and that they stayed +0:00 that winter.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 # DSH writes that despite Decree 1,469 (1915), the change to the clocks was not
 # done every year, depending on what Spain did, because of railroad schedules.
 # Go with Shanks & Pottenger.
@@ -2370,7 +2463,7 @@ Zone Atlantic/Madeira	-1:07:36 -	LMT	1884        # Funchal
 # assume that Romania and Moldova switched to EU rules in 1997,
 # the same year as Bulgaria.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Romania	1932	only	-	May	21	 0:00s	1:00	S
 Rule	Romania	1932	1939	-	Oct	Sun>=1	 0:00s	0	-
 Rule	Romania	1933	1939	-	Apr	Sun>=2	 0:00s	1:00	S
@@ -2822,6 +2915,19 @@ Zone Europe/Astrakhan	 3:12:12 -	LMT	1924 May
 # The law has been published today on
 # http://publication.pravo.gov.ru/Document/View/0001201810110037
 
+# From Alexander Krivenyshev (2020-11-27):
+# The State Duma approved (Nov 24, 2020) the transition of the Volgograd
+# region to the Moscow time zone....
+# https://sozd.duma.gov.ru/bill/1012130-7
+#
+# From Stepan Golosunov (2020-12-05):
+# Currently proposed text for the second reading (expected on December 8) ...
+# changes the date to December 27. https://v1.ru/text/gorod/2020/12/04/69601031/
+#
+# From Stepan Golosunov (2020-12-22):
+# The law was published today on
+# http://publication.pravo.gov.ru/Document/View/0001202012220002
+
 Zone Europe/Volgograd	 2:57:40 -	LMT	1920 Jan  3
 			 3:00	-	+03	1930 Jun 21
 			 4:00	-	+04	1961 Nov 11
@@ -2831,7 +2937,8 @@ Zone Europe/Volgograd	 2:57:40 -	LMT	1920 Jan  3
 			 3:00	Russia	+03/+04	2011 Mar 27  2:00s
 			 4:00	-	+04	2014 Oct 26  2:00s
 			 3:00	-	+03	2018 Oct 28  2:00s
-			 4:00	-	+04
+			 4:00	-	+04	2020 Dec 27  2:00s
+			 3:00	-	+03
 
 # From Paul Eggert (2016-11-11):
 # Europe/Saratov covers:
@@ -3468,14 +3575,14 @@ Link Europe/Prague Europe/Bratislava
 # fallback transition from the next day's 00:59... to 00:00.
 
 # From Michael Deckers (2016-12-15):
-# The Royal Decree of 1900-06-26 quoted by Planesas, online at
+# The Royal Decree of 1900-07-26 quoted by Planesas, online at
 # https://www.boe.es/datos/pdfs/BOE//1900/209/A00383-00384.pdf
 # says in its article 5 (my translation):
 # These dispositions will enter into force beginning with the
 # instant at which, according to the time indicated in article 1,
 # the 1st day of January of 1901 will begin.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Spain	1918	only	-	Apr	15	23:00	1:00	S
 Rule	Spain	1918	1919	-	Oct	 6	24:00s	0	-
 Rule	Spain	1919	only	-	Apr	 6	23:00	1:00	S
@@ -3612,7 +3719,7 @@ Zone Europe/Stockholm	1:12:12 -	LMT	1879 Jan  1
 # By the end of the 18th century clocks and watches became commonplace
 # and their performance improved enormously.  Communities began to keep
 # mean time in preference to apparent time - Geneva from 1780 ....
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 # From Whitman (who writes "Midnight?"):
 # Rule	Swiss	1940	only	-	Nov	 2	0:00	1:00	S
 # Rule	Swiss	1940	only	-	Dec	31	0:00	0	-
@@ -3699,7 +3806,7 @@ Zone Europe/Stockholm	1:12:12 -	LMT	1879 Jan  1
 # 1853-07-16, though it probably occurred at some other date in Zurich, and
 # legal civil time probably changed at still some other transition date.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Swiss	1941	1942	-	May	Mon>=1	1:00	1:00	S
 Rule	Swiss	1941	1942	-	Oct	Mon>=1	2:00	0	-
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
@@ -3848,7 +3955,7 @@ Zone	Europe/Zurich	0:34:08 -	LMT	1853 Jul 16 # See above comment.
 # Although Google Translate misfires on that source, it looks like
 # Turkey reversed last month's decision, and so will stay at +03.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Turkey	1916	only	-	May	 1	0:00	1:00	S
 Rule	Turkey	1916	only	-	Oct	 1	0:00	0	-
 Rule	Turkey	1920	only	-	Mar	28	0:00	1:00	S
@@ -4006,7 +4113,7 @@ Zone Europe/Kiev	2:02:04 -	LMT	1880
 			2:00	1:00	EEST	1991 Sep 29  3:00
 			2:00	E-Eur	EE%sT	1995
 			2:00	EU	EE%sT
-# Ruthenia used CET 1990/1991.
+# Transcarpathia used CET 1990/1991.
 # "Uzhhorod" is the transliteration of the Rusyn/Ukrainian pronunciation, but
 # "Uzhgorod" is more common in English.
 Zone Europe/Uzhgorod	1:29:12 -	LMT	1890 Oct

make/data/tzdata/leapseconds

@@ -29,6 +29,10 @@
 # NIST format leap-seconds.list file, which can be copied from
 # <ftp://ftp.nist.gov/pub/time/leap-seconds.list>
 # or <ftp://ftp.boulder.nist.gov/pub/time/leap-seconds.list>.
+# The NIST file is used instead of its IERS upstream counterpart
+# <https://hpiers.obspm.fr/iers/bul/bulc/ntp/leap-seconds.list>
+# because under US law the NIST file is public domain
+# whereas the IERS file's copyright and license status is unclear.
 # For more about leap-seconds.list, please see
 # The NTP Timescale and Leap Seconds
 # <https://www.eecis.udel.edu/~mills/leap.html>.
@@ -91,11 +95,11 @@ Leap	2016	Dec	31	23:59:60	+	S
 # Any additional leap seconds will come after this.
 # This Expires line is commented out for now,
 # so that pre-2020a zic implementations do not reject this file.
-#Expires 2020	Dec	28	00:00:00
+#Expires 2021	Dec	28	00:00:00
 
 # POSIX timestamps for the data in this file:
 #updated 1467936000 (2016-07-08 00:00:00 UTC)
-#expires 1609113600 (2020-12-28 00:00:00 UTC)
+#expires 1640649600 (2021-12-28 00:00:00 UTC)
 
-#	Updated through IERS Bulletin C59
-#	File expires on:  28 December 2020
+#	Updated through IERS Bulletin C61
+#	File expires on:  28 December 2021

make/data/tzdata/northamerica

@@ -193,7 +193,7 @@
 # U.S. government action.  So even though the "US" rules have changed
 # in the latest release, other countries won't be affected.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	US	1918	1919	-	Mar	lastSun	2:00	1:00	D
 Rule	US	1918	1919	-	Oct	lastSun	2:00	0	S
 Rule	US	1942	only	-	Feb	9	2:00	1:00	W # War
@@ -370,7 +370,7 @@ Zone	PST8PDT		 -8:00	US	P%sT
 # Eastern time (i.e., -4:56:01.6) just before the 1883 switch.  Round to the
 # nearest second.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule	NYC	1920	only	-	Mar	lastSun	2:00	1:00	D
 Rule	NYC	1920	only	-	Oct	lastSun	2:00	0	S
 Rule	NYC	1921	1966	-	Apr	lastSun	2:00	1:00	D
@@ -454,7 +454,7 @@ Zone America/New_York	-4:56:02 -	LMT	1883 Nov 18 12:03:58
 # The Tennessean 2007-05-11, republished 2015-04-06.
 # https://www.tennessean.com/story/insider/extras/2015/04/06/archives-seigenthaler-for-100-years-the-tennessean-had-it-covered/25348545/
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule	Chicago	1920	only	-	Jun	13	2:00	1:00	D
 Rule	Chicago	1920	1921	-	Oct	lastSun	2:00	0	S
 Rule	Chicago	1921	only	-	Mar	lastSun	2:00	1:00	D
@@ -523,7 +523,7 @@ Zone America/North_Dakota/Beulah -6:47:07 - LMT	1883 Nov 18 12:12:53
 # El Paso Times. 2018-10-24 06:40 -06.
 # https://www.elpasotimes.com/story/news/local/el-paso/2018/10/24/el-pasoans-were-time-rebels-fought-stay-mountain-zone/1744509002/
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule	Denver	1920	1921	-	Mar	lastSun	2:00	1:00	D
 Rule	Denver	1920	only	-	Oct	lastSun	2:00	0	S
 Rule	Denver	1921	only	-	May	22	2:00	0	S
@@ -576,7 +576,7 @@ Zone America/Denver	-6:59:56 -	LMT	1883 Nov 18 12:00:04
 # https://repository.uchastings.edu/cgi/viewcontent.cgi?article=1501&context=ca_ballot_props
 # https://repository.uchastings.edu/cgi/viewcontent.cgi?article=1636&context=ca_ballot_props
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule	CA	1948	only	-	Mar	14	2:01	1:00	D
 Rule	CA	1949	only	-	Jan	 1	2:00	0	S
 Rule	CA	1950	1966	-	Apr	lastSun	1:00	1:00	D
@@ -934,7 +934,7 @@ Zone America/Boise	-7:44:49 -	LMT	1883 Nov 18 12:15:11
 # going to switch from Central to Eastern Time on March 11, 2007....
 # http://www.indystar.com/apps/pbcs.dll/article?AID=/20070207/LOCAL190108/702070524/0/LOCAL
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule Indianapolis 1941	only	-	Jun	22	2:00	1:00	D
 Rule Indianapolis 1941	1954	-	Sep	lastSun	2:00	0	S
 Rule Indianapolis 1946	1954	-	Apr	lastSun	2:00	1:00	D
@@ -953,7 +953,7 @@ Zone America/Indiana/Indianapolis -5:44:38 - LMT	1883 Nov 18 12:15:22
 #
 # Eastern Crawford County, Indiana, left its clocks alone in 1974,
 # as well as from 1976 through 2005.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule	Marengo	1951	only	-	Apr	lastSun	2:00	1:00	D
 Rule	Marengo	1951	only	-	Sep	lastSun	2:00	0	S
 Rule	Marengo	1954	1960	-	Apr	lastSun	2:00	1:00	D
@@ -972,7 +972,7 @@ Zone America/Indiana/Marengo -5:45:23 -	LMT	1883 Nov 18 12:14:37
 # Daviess, Dubois, Knox, and Martin Counties, Indiana,
 # switched from eastern to central time in April 2006, then switched back
 # in November 2007.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule Vincennes	1946	only	-	Apr	lastSun	2:00	1:00	D
 Rule Vincennes	1946	only	-	Sep	lastSun	2:00	0	S
 Rule Vincennes	1953	1954	-	Apr	lastSun	2:00	1:00	D
@@ -997,7 +997,7 @@ Zone America/Indiana/Vincennes -5:50:07 - LMT	1883 Nov 18 12:09:53
 # The Indianapolis News, Friday 27 October 1967 states that Perry County
 # returned to CST.  It went again to EST on 27 April 1969, as documented by the
 # Indianapolis star of Saturday 26 April.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule Perry	1955	only	-	May	 1	0:00	1:00	D
 Rule Perry	1955	1960	-	Sep	lastSun	2:00	0	S
 Rule Perry	1956	1963	-	Apr	lastSun	2:00	1:00	D
@@ -1014,7 +1014,7 @@ Zone America/Indiana/Tell_City -5:47:03 - LMT	1883 Nov 18 12:12:57
 #
 # Pike County, Indiana moved from central to eastern time in 1977,
 # then switched back in 2006, then switched back again in 2007.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule	Pike	1955	only	-	May	 1	0:00	1:00	D
 Rule	Pike	1955	1960	-	Sep	lastSun	2:00	0	S
 Rule	Pike	1956	1964	-	Apr	lastSun	2:00	1:00	D
@@ -1035,7 +1035,7 @@ Zone America/Indiana/Petersburg -5:49:07 - LMT	1883 Nov 18 12:10:53
 # An article on page A3 of the Sunday, 1991-10-27 Washington Post
 # notes that Starke County switched from Central time to Eastern time as of
 # 1991-10-27.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule	Starke	1947	1961	-	Apr	lastSun	2:00	1:00	D
 Rule	Starke	1947	1954	-	Sep	lastSun	2:00	0	S
 Rule	Starke	1955	1956	-	Oct	lastSun	2:00	0	S
@@ -1052,7 +1052,7 @@ Zone America/Indiana/Knox -5:46:30 -	LMT	1883 Nov 18 12:13:30
 #
 # Pulaski County, Indiana, switched from eastern to central time in
 # April 2006 and then switched back in March 2007.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule	Pulaski	1946	1960	-	Apr	lastSun	2:00	1:00	D
 Rule	Pulaski	1946	1954	-	Sep	lastSun	2:00	0	S
 Rule	Pulaski	1955	1956	-	Oct	lastSun	2:00	0	S
@@ -1094,7 +1094,7 @@ Zone America/Indiana/Vevay -5:40:16 -	LMT	1883 Nov 18 12:19:44
 #
 # Part of Kentucky left its clocks alone in 1974.
 # This also includes Clark, Floyd, and Harrison counties in Indiana.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule Louisville	1921	only	-	May	1	2:00	1:00	D
 Rule Louisville	1921	only	-	Sep	1	2:00	0	S
 Rule Louisville	1941	only	-	Apr	lastSun	2:00	1:00	D
@@ -1208,7 +1208,7 @@ Zone America/Kentucky/Monticello -5:39:24 - LMT	1883 Nov 18 12:20:36
 # election Michigan voters narrowly repealed DST, effective 1969.
 #
 # Most of Michigan observed DST from 1973 on, but was a bit late in 1975.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule	Detroit	1948	only	-	Apr	lastSun	2:00	1:00	D
 Rule	Detroit	1948	only	-	Sep	lastSun	2:00	0	S
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
@@ -1225,7 +1225,7 @@ Zone America/Detroit	-5:32:11 -	LMT	1905
 #
 # Dickinson, Gogebic, Iron, and Menominee Counties, Michigan,
 # switched from EST to CST/CDT in 1973.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER
 Rule Menominee	1946	only	-	Apr	lastSun	2:00	1:00	D
 Rule Menominee	1946	only	-	Sep	lastSun	2:00	0	S
 Rule Menominee	1966	only	-	Apr	lastSun	2:00	1:00	D
@@ -1395,7 +1395,7 @@ Zone America/Menominee	-5:50:27 -	LMT	1885 Sep 18 12:00
 # Oct 31, to Oct 27, 1918 (and Sunday is a more likely transition day
 # than Thursday) in all Canadian rulesets.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Canada	1918	only	-	Apr	14	2:00	1:00	D
 Rule	Canada	1918	only	-	Oct	27	2:00	0	S
 Rule	Canada	1942	only	-	Feb	 9	2:00	1:00	W # War
@@ -1418,7 +1418,7 @@ Rule	Canada	2007	max	-	Nov	Sun>=1	2:00	0	S
 # that follows the rules is the southeast corner, including Port Hope
 # Simpson and Mary's Harbour, but excluding, say, Black Tickle.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	StJohns	1917	only	-	Apr	 8	2:00	1:00	D
 Rule	StJohns	1917	only	-	Sep	17	2:00	0	S
 # Whitman gives 1919 Apr 5 and 1920 Apr 5; go with Shanks & Pottenger.
@@ -1520,7 +1520,7 @@ Zone America/Goose_Bay	-4:01:40 -	LMT	1884 # Happy Valley-Goose Bay
 # bill say that it is "accommodating the customs and practices" of those
 # regions, which suggests that they have always been in-line with Halifax.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Halifax	1916	only	-	Apr	 1	0:00	1:00	D
 Rule	Halifax	1916	only	-	Oct	 1	0:00	0	S
 Rule	Halifax	1920	only	-	May	 9	0:00	1:00	D
@@ -1586,7 +1586,7 @@ Zone America/Glace_Bay	-3:59:48 -	LMT	1902 Jun 15
 # clear that this was the case since at least 1993.
 # For now, assume it started in 1993.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Moncton	1933	1935	-	Jun	Sun>=8	1:00	1:00	D
 Rule	Moncton	1933	1935	-	Sep	Sun>=8	1:00	0	S
 Rule	Moncton	1936	1938	-	Jun	Sun>=1	1:00	1:00	D
@@ -1795,7 +1795,7 @@ Zone America/Blanc-Sablon -3:48:28 -	LMT	1884
 #   With some exceptions, the use of daylight saving may be said to be limited
 # to those cities and towns lying between Quebec city and Windsor, Ont.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Toronto	1919	only	-	Mar	30	23:30	1:00	D
 Rule	Toronto	1919	only	-	Oct	26	0:00	0	S
 Rule	Toronto	1920	only	-	May	 2	2:00	1:00	D
@@ -1893,7 +1893,7 @@ Zone America/Atikokan	-6:06:28 -	LMT	1895
 # starting 1966.  Since 02:00s is clearly correct for 1967 on, assume
 # it was also 02:00s in 1966.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Winn	1916	only	-	Apr	23	0:00	1:00	D
 Rule	Winn	1916	only	-	Sep	17	0:00	0	S
 Rule	Winn	1918	only	-	Apr	14	2:00	1:00	D
@@ -1984,7 +1984,7 @@ Zone America/Winnipeg	-6:28:36 -	LMT	1887 Jul 16
 # long and rather painful to read.
 # http://www.qp.gov.sk.ca/documents/English/Statutes/Statutes/T14.pdf
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Regina	1918	only	-	Apr	14	2:00	1:00	D
 Rule	Regina	1918	only	-	Oct	27	2:00	0	S
 Rule	Regina	1930	1934	-	May	Sun>=1	0:00	1:00	D
@@ -2034,7 +2034,7 @@ Zone America/Swift_Current -7:11:20 -	LMT	1905 Sep
 # Boyer JP. Forcing Choice: The Risky Reward of Referendums. Dundum. 2017.
 # ISBN 978-1459739123.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Edm	1918	1919	-	Apr	Sun>=8	2:00	1:00	D
 Rule	Edm	1918	only	-	Oct	27	2:00	0	S
 Rule	Edm	1919	only	-	May	27	2:00	0	S
@@ -2143,7 +2143,7 @@ Zone America/Edmonton	-7:33:52 -	LMT	1906 Sep
 # https://searcharchives.vancouver.ca/daylight-saving-1918-starts-again-july-7-1941-start-d-s-sept-27-end-of-d-s-1941
 # We have no further details, so omit them for now.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Vanc	1918	only	-	Apr	14	2:00	1:00	D
 Rule	Vanc	1918	only	-	Oct	27	2:00	0	S
 Rule	Vanc	1942	only	-	Feb	 9	2:00	1:00	W # War
@@ -2257,7 +2257,7 @@ Zone America/Creston	-7:46:04 -	LMT	1884
 #     to say eight hours behind Greenwich Time.
 #
 # * O.I.C. 1980/02 INTERPRETATION ACT
-#   [no online source found]
+#   https://mm.icann.org/pipermail/tz/attachments/20201125/d5adc93b/CAYTOIC1980-02DST1980-01-04-0001.pdf
 #
 # * Yukon Daylight Saving Time, YOIC 1987/56
 #   https://www.canlii.org/en/yk/laws/regu/yoic-1987-56/latest/yoic-1987-56.html
@@ -2472,7 +2472,19 @@ Zone America/Creston	-7:46:04 -	LMT	1884
 # consistency with nearby Dawson Creek, Creston, and Fort Nelson.
 # https://yukon.ca/en/news/yukon-end-seasonal-time-change
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# From Andrew G. Smith (2020-09-24):
+# Yukon has completed its regulatory change to be on UTC -7 year-round....
+# http://www.gov.yk.ca/legislation/regs/oic2020_125.pdf
+# What we have done is re-defined Yukon Standard Time, as we are
+# authorized to do under section 33 of our Interpretation Act:
+# http://www.gov.yk.ca/legislation/acts/interpretation_c.pdf
+#
+# From Paul Eggert (2020-09-24):
+# tzdb uses the obsolete YST abbreviation for standard time in Yukon through
+# about 1970, and uses PST for standard time in Yukon since then.  Consistent
+# with that, use MST for -07, the new standard time in Yukon effective Nov. 1.
+
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	NT_YK	1918	only	-	Apr	14	2:00	1:00	D
 Rule	NT_YK	1918	only	-	Oct	27	2:00	0	S
 Rule	NT_YK	1919	only	-	May	25	2:00	1:00	D
@@ -2526,12 +2538,12 @@ Zone America/Inuvik	0	-	-00	1953 # Inuvik founded
 Zone America/Whitehorse	-9:00:12 -	LMT	1900 Aug 20
 			-9:00	NT_YK	Y%sT	1967 May 28  0:00
 			-8:00	NT_YK	P%sT	1980
-			-8:00	Canada	P%sT	2020 Mar  8  2:00
+			-8:00	Canada	P%sT	2020 Nov  1
 			-7:00	-	MST
 Zone America/Dawson	-9:17:40 -	LMT	1900 Aug 20
 			-9:00	NT_YK	Y%sT	1973 Oct 28  0:00
 			-8:00	NT_YK	P%sT	1980
-			-8:00	Canada	P%sT	2020 Mar  8  2:00
+			-8:00	Canada	P%sT	2020 Nov  1
 			-7:00	-	MST
 
 
@@ -2746,7 +2758,7 @@ Zone America/Dawson	-9:17:40 -	LMT	1900 Aug 20
 # 5- The islands, reefs and keys shall take their timezone from the
 #    longitude they are located at.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Mexico	1939	only	-	Feb	5	0:00	1:00	D
 Rule	Mexico	1939	only	-	Jun	25	0:00	0	S
 Rule	Mexico	1940	only	-	Dec	9	0:00	1:00	D
@@ -2946,12 +2958,38 @@ Zone America/Tijuana	-7:48:04 -	LMT	1922 Jan  1  0:11:56
 #
 # For 1899 Milne gives -5:09:29.5; round that.
 #
+# From P Chan (2020-11-27, corrected on 2020-12-02):
+# There were two periods of DST observed in 1942-1945: 1942-05-01
+# midnight to 1944-12-31 midnight and 1945-02-01 to 1945-10-17 midnight.
+# "midnight" should mean 24:00 from the context.
+#
+# War Time Order 1942 [1942-05-01] and War Time (No. 2) Order 1942  [1942-09-29]
+# Appendix to the Statutes of 7 George VI. and the Year 1942. p 34, 43
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA3-PA34
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA3-PA43
+#
+# War Time Order 1943 [1943-03-31] and War Time Order 1944 [1943-12-29]
+# Appendix to the Statutes of 8 George VI. and the Year 1943. p 9-10, 28-29
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA4-PA9
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA4-PA28
+#
+# War Time Order 1945 [1945-01-31] and the Order which revoke War Time Order
+# 1945 [1945-10-16] Appendix to the Statutes of 9 George VI. and the Year
+# 1945. p 160, 247-248
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA6-PA160
+# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA6-PA247
+#
 # From Sue Williams (2006-12-07):
 # The Bahamas announced about a month ago that they plan to change their DST
 # rules to sync with the U.S. starting in 2007....
 # http://www.jonesbahamas.com/?c=45&a=10412
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
+Rule	Bahamas	1942	only	-	May	 1	24:00	1:00	W
+Rule	Bahamas	1944	only	-	Dec	31	24:00	0	S
+Rule	Bahamas	1945	only	-	Feb	 1	0:00	1:00	W
+Rule	Bahamas	1945	only	-	Aug	14	23:00u	1:00	P # Peace
+Rule	Bahamas	1945	only	-	Oct	17	24:00	0	S
 Rule	Bahamas	1964	1975	-	Oct	lastSun	2:00	0	S
 Rule	Bahamas	1964	1975	-	Apr	lastSun	2:00	1:00	D
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
@@ -2963,7 +3001,7 @@ Zone	America/Nassau	-5:09:30 -	LMT	1912 Mar 2
 
 # For 1899 Milne gives -3:58:29.2; round that.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Barb	1977	only	-	Jun	12	2:00	1:00	D
 Rule	Barb	1977	1978	-	Oct	Sun>=1	2:00	0	S
 Rule	Barb	1978	1980	-	Apr	Sun>=15	2:00	1:00	D
@@ -2975,34 +3013,161 @@ Zone America/Barbados	-3:58:29 -	LMT	1924 # Bridgetown
 			-4:00	Barb	A%sT
 
 # Belize
-# Whitman entirely disagrees with Shanks; go with Shanks & Pottenger.
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Belize	1918	1942	-	Oct	Sun>=2	0:00	0:30	-0530
-Rule	Belize	1919	1943	-	Feb	Sun>=9	0:00	0	CST
+
+# From P Chan (2020-11-03):
+# Below are some laws related to the time in British Honduras/Belize:
+#
+# Definition of Time Ordinance, 1927 (No.4 of 1927) [1927-04-01]
+# Ordinances of British Honduras Passed in the Year 1927, p 19-20
+# https://books.google.com/books?id=LqEpAQAAMAAJ&pg=RA3-PA19
+#
+# Definition of Time (Amendment) Ordinance, 1942 (No. 5 of 1942) [1942-06-27]
+# Ordinances of British Honduras Passed in the Year 1942, p 31-32
+# https://books.google.com/books?id=h6MpAQAAMAAJ&pg=RA6-PA95-IA44
+#
+# Definition of Time Ordinance, 1945 (No. 19 of 1945) [1945-12-15]
+# Ordinances of British Honduras Passed in the Year 1945, p 49-50
+# https://books.google.com/books?id=xaMpAQAAMAAJ&pg=RA2-PP1
+#
+# Definition of Time Ordinance, 1947 (No. 1 of 1947) [1947-03-11]
+# Ordinances of British Honduras Passed in the Year 1947, p 1-2
+# https://books.google.com/books?id=xaMpAQAAMAAJ&pg=RA3-PA1
+#
+# Time (Definition of) Ordinance  (Chapter 180)
+# The Laws of British Honduras in Force on the 15th Day of September, 1958 , Volume IV, p 2580
+# https://books.google.com/books?id=v5QpAQAAMAAJ&pg=PA2580
+#
+# Time (Definition of) (Amendment) Ordinance, 1968 (No. 13 of 1968) [1968-08-03]
+# https://books.google.com/books?id=xij7KEB_58wC&pg=RA1-PA428-IA9
+#
+# Definition of Time Act (Chapter 339)
+# Law of Belize, Revised Edition 2000
+# http://www.belizelaw.org/web/lawadmin/PDF%20files/cap339.pdf
+
+# From Paul Eggert (2020-11-03):
+# The transitions below are derived from P Chan's sources, except that the
+# 1973 through 1983 transitions are from Shanks & Pottenger since we have
+# no better data there.
+
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
+Rule	Belize	1918	1941	-	Oct	Sat>=1	24:00	0:30	-0530
+Rule	Belize	1919	1942	-	Feb	Sat>=8	24:00	0	CST
+Rule	Belize	1942	only	-	Jun	27	24:00	1:00	CWT
+Rule	Belize	1945	only	-	Aug	14	23:00u	1:00	CPT
+Rule	Belize	1945	only	-	Dec	15	24:00	0	CST
+Rule	Belize	1947	1967	-	Oct	Sat>=1	24:00	0:30	-0530
+Rule	Belize	1948	1968	-	Feb	Sat>=8	24:00	0	CST
 Rule	Belize	1973	only	-	Dec	 5	0:00	1:00	CDT
 Rule	Belize	1974	only	-	Feb	 9	0:00	0	CST
 Rule	Belize	1982	only	-	Dec	18	0:00	1:00	CDT
 Rule	Belize	1983	only	-	Feb	12	0:00	0	CST
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
-Zone	America/Belize	-5:52:48 -	LMT	1912 Apr
+Zone	America/Belize	-5:52:48 -	LMT	1912 Apr  1
 			-6:00	Belize	%s
 
 # Bermuda
 
+# From Paul Eggert (2020-11-24):
 # For 1899 Milne gives -4:19:18.3 as the meridian of the clock tower,
-# Bermuda dockyard, Ireland I; round that.
+# Bermuda dockyard, Ireland I.  This agrees with standard offset given in the
+# Daylight Saving Act, 1917 cited below.  Round that to the nearest second.
+# It is not known when this time became standard for Bermuda; guess 1890.
+# The transition to -04 was specified by:
+# 1930: The Time Zone Act, 1929 (1929: No. 39) [1929-11-08]
+# https://books.google.com/books?id=7tdMAQAAIAAJ&pg=RA54-PP1
+
+# From P Chan (2020-11-20):
+# Most of the information can be found online from the Bermuda National
+# Library - Digital Collection which includes The Royal Gazette (RG) until 1957
+# https://bnl.contentdm.oclc.org/digital/
+# I will cite the ID.  For example, [10000] means
+# https://bnl.contentdm.oclc.org/digital/collection/BermudaNP02/id/10000
+#
+# 1917: Apr 5 midnight to Sep 30 midnight
+# Daylight Saving Act, 1917 (1917 No. 13) [1917-04-02]
+# Bermuda Acts and Resolves 1917, p 37-38
+# https://books.google.com/books?id=M-lCAQAAMAAJ&pg=PA36-IA2
+# RG, 1917-04-04, p 6 [42340] gives the spring forward date.
+#
+# 1918: Apr 13 midnight to Sep 15 midnight
+# Daylight Saving Act, 1918 (1918 No. 9) [1918-04-06]
+# Bermuda Acts and Resolves 1917, p 13
+# https://books.google.com/books?id=K-lCAQAAMAAJ&pg=RA1-PA7
+#
+# Note that local mean time was still used before 1930.
+#
+# During WWII, DST was introduced by Defence Regulations
+# 1942: Jan 11 02:00 to Oct 18 02:00 [113646], [115726]
+# 1943: Mar 21 02:00 to Oct 31 02:00 [116704], [118193]
+# 1944: Mar 12 02:00 to Nov 5 02:00 [119225], [121593]
+# 1945: Mar 11 02:00 to Nov 4 02:00 [122369], [124461]
+# RG, 1942-01-08, p 2, 1942-10-12, p 2 , 1943-03-06, p 2, 1943-09-03, p 1,
+# 1944-02-29, p 6, 1944-09-20, p 2, 1945-02-13, p 2, 1945-11-03, p 1
+#
+# In 1946, the House of Assembly rejected DST twice. [128686], [128076]
+# RG, 1946-03-16 p 1,1946-04-13 p 1
+#
+# 1947: third Sunday in May 02:00 to second Sunday in September 02:00
+# DST in 1947 was defined in the Daylight Saving Act, 1947 (1947: No. 12)
+# which expired at the end of the year.  [125784] ,[132405], [144454], [138226]
+# RG, 1947-02-27, p 1, 1947-05-15, p 1, 1947-09-13, p 1, 1947-12-30, p 1
+#
+# 1948-1952: fourth Sunday in May 02:00 to first Sunday in September 02:00
+# DST in 1948 was defined in the Daylight Saving Act, 1948 (1948 : No. 12)
+# which was set to expired at the end of the year but it was extended until
+# the end of 1952 and was not further extended.
+# [129802], [139403], [146008], [135240], [144330], [139049], [143309],
+# [148271], [149773], [153589], [153802], [155924]
+# RG, 1948-04-13, p 1, 1948-05-22, p 1, 1948-09-04, p 1, 1949-05-21, p1,
+# 1949-09-03, p 1, 1950-05-27 p 1, 1950-09-02, p 1, 1951-05-27, p 1,
+# 1951-09-01, p 1, 1952-05-23, p 1, 1952-09-26, p 1, 1952-12-21, p 8
+#
+# In 1953-1955, the House of Assembly rejected DST each year. [158996],
+# [162620], [166720] RG, 1953-05-02, p 1, 1954-04-01 p 1, 1955-03-12, p 1
+#
+# 1956: fourth Sunday in May 02:00 to last Sunday in October 02:00
+# Time Zone (Seasonal Variation) Act, 1956 (1956: No.44) [1956-05-25]
+# Bermuda Public Acts 1956, p 331-332
+# https://books.google.com/books?id=Xs1AlmD_cEwC&pg=PA63
+#
+# The extension of the Act was rejected by the House of Assembly. [176218]
+# RG, 1956-12-13, p 1
+#
+# From the Chronological Table of Public and Private Acts up to 1985, it seems
+# that there does not exist other Acts related to DST before 1973.
+# https://books.google.com/books?id=r9hMAQAAIAAJ&pg=RA23-PA1
+# Public Acts of the Legislature of the Islands of Bermuda, Together with
+# Statutory Instruments in Force Thereunder, Vol VII
 
 # From Dan Jones, reporting in The Royal Gazette (2006-06-26):
-
 # Next year, however, clocks in the US will go forward on the second Sunday
 # in March, until the first Sunday in November.  And, after the Time Zone
 # (Seasonal Variation) Bill 2006 was passed in the House of Assembly on
 # Friday, the same thing will happen in Bermuda.
 # http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135
 
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
+Rule	Bermuda	1917	only	-	Apr	 5	24:00	1:00	-
+Rule	Bermuda	1917	only	-	Sep	30	24:00	0	-
+Rule	Bermuda	1918	only	-	Apr	13	24:00	1:00	-
+Rule	Bermuda	1918	only	-	Sep	15	24:00	0	S
+Rule	Bermuda	1942	only	-	Jan	11	 2:00	1:00	D
+Rule	Bermuda	1942	only	-	Oct	18	 2:00	0	S
+Rule	Bermuda	1943	only	-	Mar	21	 2:00	1:00	D
+Rule	Bermuda	1943	only	-	Oct	31	 2:00	0	S
+Rule	Bermuda	1944	1945	-	Mar	Sun>=8	 2:00	1:00	D
+Rule	Bermuda	1944	1945	-	Nov	Sun>=1	 2:00	0	S
+Rule	Bermuda	1947	only	-	May	Sun>=15	 2:00	1:00	D
+Rule	Bermuda	1947	only	-	Sep	Sun>=8	 2:00	0	S
+Rule	Bermuda	1948	1952	-	May	Sun>=22	 2:00	1:00	D
+Rule	Bermuda	1948	1952	-	Sep	Sun>=1	 2:00	0	S
+Rule	Bermuda	1956	only	-	May	Sun>=22	 2:00	1:00	D
+Rule	Bermuda	1956	only	-	Oct	lastSun	 2:00	0	S
+
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
-Zone Atlantic/Bermuda	-4:19:18 -	LMT	1930 Jan  1  2:00 # Hamilton
-			-4:00	-	AST	1974 Apr 28  2:00
+Zone Atlantic/Bermuda	-4:19:18 -	LMT	1890	# Hamilton
+			-4:19:18 Bermuda BMT/BST 1930 Jan 1  2:00
+			-4:00	Bermuda	A%sT	1974 Apr 28  2:00
 			-4:00	Canada	A%sT	1976
 			-4:00	US	A%sT
 
@@ -3013,7 +3178,7 @@ Zone Atlantic/Bermuda	-4:19:18 -	LMT	1930 Jan  1  2:00 # Hamilton
 
 # Milne gives -5:36:13.3 as San José mean time; round to nearest.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	CR	1979	1980	-	Feb	lastSun	0:00	1:00	D
 Rule	CR	1979	1980	-	Jun	Sun>=1	0:00	0	S
 Rule	CR	1991	1992	-	Jan	Sat>=15	0:00	1:00	D
@@ -3187,7 +3352,7 @@ Zone America/Costa_Rica	-5:36:13 -	LMT	1890        # San José
 # From Paul Eggert (2012-11-03):
 # For now, assume the future rule is first Sunday in November.
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Cuba	1928	only	-	Jun	10	0:00	1:00	D
 Rule	Cuba	1928	only	-	Oct	10	0:00	0	S
 Rule	Cuba	1940	1942	-	Jun	Sun>=1	0:00	1:00	D
@@ -3256,7 +3421,7 @@ Zone	America/Havana	-5:29:28 -	LMT	1890
 # decided to revert.
 
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	DR	1966	only	-	Oct	30	0:00	1:00	EDT
 Rule	DR	1967	only	-	Feb	28	0:00	0	EST
 Rule	DR	1969	1973	-	Oct	lastSun	0:00	0:30	-0430
@@ -3273,7 +3438,7 @@ Zone America/Santo_Domingo -4:39:36 -	LMT	1890
 
 # El Salvador
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Salv	1987	1988	-	May	Sun>=1	0:00	1:00	D
 Rule	Salv	1987	1988	-	Sep	lastSun	0:00	0	S
 # There are too many San Salvadors elsewhere, so use America/El_Salvador
@@ -3302,7 +3467,7 @@ Zone America/El_Salvador -5:56:48 -	LMT	1921 # San Salvador
 # (2006-04-19), says DST ends at 24:00.  See
 # http://www.sieca.org.gt/Sitio_publico/Energeticos/Doc/Medidas/Cambio_Horario_Nac_190406.pdf
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Guat	1973	only	-	Nov	25	0:00	1:00	D
 Rule	Guat	1974	only	-	Feb	24	0:00	0	S
 Rule	Guat	1983	only	-	May	21	0:00	1:00	D
@@ -3383,7 +3548,7 @@ Zone America/Guatemala	-6:02:04 -	LMT	1918 Oct 5
 # I have not been able to find a more authoritative source:
 # https://www.haitilibre.com/en/news-20319-haiti-notices-time-change-in-haiti.html
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Haiti	1983	only	-	May	8	0:00	1:00	D
 Rule	Haiti	1984	1987	-	Apr	lastSun	0:00	1:00	D
 Rule	Haiti	1983	1987	-	Oct	lastSun	0:00	0	S
@@ -3431,7 +3596,7 @@ Zone America/Port-au-Prince -4:49:20 -	LMT	1890
 # http://www.laprensahn.com/pais_nota.php?id04962=7386
 # So it seems that Honduras will not enter DST this year....
 
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Hond	1987	1988	-	May	Sun>=1	0:00	1:00	D
 Rule	Hond	1987	1988	-	Sep	lastSun	0:00	0	S
 Rule	Hond	2006	only	-	May	Sun>=1	0:00	1:00	D
@@ -3522,7 +3687,7 @@ Zone America/Martinique	-4:04:20 -      LMT	1890        # Fort-de-France
 # The natural sun time is restored in all the national territory, in that the
 # time is returned one hour at 01:00 am of October 1 of 2006.
 #
-# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
 Rule	Nic	1979	1980	-	Mar	Sun>=16	0:00	1:00	D
 Rule	Nic	1979	1980	-	Jun	Mon>=23	0:00	0	S
 Rule	Nic	2005	only	-	Apr	10	0:00	1:00	D
@@ -3585,7 +3750,7 @@ Zone America/Miquelon	-3:44:40 -	LMT	1911 May 15 # St Pierre
 # "Eastern Standard Times Begins 2007
 # Clocks are set back one hour at 2:00 a.m. local Daylight Saving Time"
 # indicating that the normal ET rules are followed.
-#
+
 # From Paul Eggert (2014-08-19):
 # The 2014-08-13 Cabinet meeting decided to stay on UT -04 year-round.  See:
 # http://tcweeklynews.com/daylight-savings-time-to-be-maintained-p5353-127.htm
@@ -3600,19 +3765,42 @@ Zone America/Miquelon	-3:44:40 -	LMT	1911 May 15 # St Pierre
 # during the summer months and Standard Time, also known as Local
 # Time, during the winter months with effect from April 2018 ...
 # https://www.gov.uk/government/news/turks-and-caicos-post-cabinet-meeting-statement--3
-#
 # From Paul Eggert (2017-08-26):
 # The date of effect of the spring 2018 change appears to be March 11,
 # which makes more sense.  See: Hamilton D. Time change back
 # by March 2018 for TCI. Magnetic Media. 2017-08-25.
 # http://magneticmediatv.com/2017/08/time-change-back-by-march-2018-for-tci/
 #
+# From P Chan (2020-11-27):
+# Standard Time Declaration Order 2015 (L.N. 15/2015)
+# http://online.fliphtml5.com/fizd/czin/#p=2
+#
+# Standard Time Declaration Order 2017 (L.N. 31/2017)
+# http://online.fliphtml5.com/fizd/dmcu/#p=2
+#
+# From Tim Parenti (2020-12-05):
+# Although L.N. 31/2017 reads that it "shall come into operation at 2:00 a.m.
+# on 11th March 2018", a precise interpretation here poses some problems.  The
+# order states that "the standard time to be observed throughout the Turks and
+# Caicos Islands shall be the same time zone as the Eastern United States of
+# America" and further clarifies "[f]or the avoidance of doubt" that it
+# "applies to the Eastern Standard Time as well as any changes thereto for
+# Daylight Saving Time."  However, as clocks in Turks and Caicos approached
+# 02:00 -04, and thus the declared implementation time, it was still 01:00 EST
+# (-05), as DST in the Eastern US would not start until an hour later.
+#
+# Since it is unlikely that those on the islands switched their clocks twice in
+# the span of an hour, we assume instead that the adoption of EDT actually took
+# effect once clocks in the Eastern US had sprung forward, from 03:00 -04.
+# This discrepancy only affects the time zone abbreviation and DST flag for the
+# intervening hour, not wall clock times, as -04 was maintained throughout.
+
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone America/Grand_Turk	-4:44:32 -	LMT	1890
 			-5:07:10 -	KMT	1912 Feb # Kingston Mean Time
 			-5:00	-	EST	1979
-			-5:00	US	E%sT	2015 Nov Sun>=1 2:00
-			-4:00	-	AST	2018 Mar 11 3:00
+			-5:00	US	E%sT	2015 Mar  8  2:00
+			-4:00	-	AST	2018 Mar 11  3:00
 			-5:00	US	E%sT
 
 # British Virgin Is