JBR-3388: Fixed wrong graphic config in Component on primary display change

(cherry picked from commit aeaf8a9ce5)

.gitignore

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

.hgtags

@@ -598,3 +598,46 @@ 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
+5720ffa08f8514b9f0ea8b3a49e05a872c9c0efe jdk-11.0.12+1
+70a4031a8bef3e693f34864fdd482429c73dc76a jdk-11.0.12+2
+873a691b1ae4fa8b55ca5d08fa21aca3a4904fb8 jdk-11.0.12+3
+40d1e784e1937aaea696a9654cc2d944d3d78996 jdk-11.0.12+4
+6aa6f6860508fca3a97aea1de7a36574498d22bf jdk-11.0.12+5
+91e81ac088545abdc3eaaa707853d31a6cf99af3 jdk-11.0.12+6
+f412f2537f1502a9697a9684c77bea8d848db1ab jdk-11.0.12+7
+f412f2537f1502a9697a9684c77bea8d848db1ab jdk-11.0.12-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>

.jcheck/conf

@@ -1,2 +1,31 @@
-project=jdk10
-bugids=dup
+[general]
+project=jdk-updates
+jbs=JDK
+version=11.0.13
+
+[checks]
+error=author,committer,reviewers,merge,issues,executable,symlink,message,hg-tag,whitespace
+
+[repository]
+tags=(?:jdk-(?:[1-9]([0-9]*)(?:\.(?:0|[1-9][0-9]*)){0,4})(?:\+(?:(?:[0-9]+))|(?:-ga)))|(?:jdk[4-9](?:u\d{1,3})?-(?:(?:b\d{2,3})|(?:ga)))|(?:hs\d\d(?:\.\d{1,2})?-b\d\d)
+branches=
+
+[census]
+version=0
+domain=openjdk.org
+
+[checks "whitespace"]
+files=.*\.cpp|.*\.hpp|.*\.c|.*\.h|.*\.java
+
+[checks "merge"]
+message=Merge
+
+[checks "reviewers"]
+reviewers=1
+ignore=duke
+
+[checks "committer"]
+role=committer
+
+[checks "issues"]
+pattern=^([124-8][0-9]{6}): (\S.*)$

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>
@@ -91,12 +93,10 @@
 <li><a href="#getting-help">Getting Help</a></li>
 </ul></li>
 <li><a href="#hints-and-suggestions-for-advanced-users">Hints and Suggestions for Advanced Users</a><ul>
-<li><a href="#setting-up-a-forest-for-pushing-changes-defpath">Setting Up a Forest for Pushing Changes (defpath)</a></li>
 <li><a href="#bash-completion">Bash Completion</a></li>
 <li><a href="#using-multiple-configurations">Using Multiple Configurations</a></li>
 <li><a href="#handling-reconfigurations">Handling Reconfigurations</a></li>
 <li><a href="#using-fine-grained-make-targets">Using Fine-Grained Make Targets</a></li>
-<li><a href="#learn-about-mercurial">Learn About Mercurial</a></li>
 </ul></li>
 <li><a href="#understanding-the-build-system">Understanding the Build System</a><ul>
 <li><a href="#configurations">Configurations</a></li>
@@ -110,10 +110,10 @@
 </ul>
 </nav>
 <h2 id="tldr-instructions-for-the-impatient">TL;DR (Instructions for the Impatient)</h2>
-<p>If you are eager to try out building the JDK, these simple steps works most of the time. They assume that you have installed Mercurial (and Cygwin if running on Windows) and cloned the top-level JDK repository that you want to build.</p>
+<p>If you are eager to try out building the JDK, these simple steps works most of the time. They assume that you have installed Git (and Cygwin if running on Windows) and cloned the top-level JDK repository that you want to build.</p>
 <ol type="1">
 <li><p><a href="#getting-the-source-code">Get the complete source code</a>:<br />
-<code>hg clone http://hg.openjdk.java.net/jdk/jdk</code></p></li>
+<code>git clone https://git.openjdk.java.net/jdk/</code></p></li>
 <li><p><a href="#running-configure">Run configure</a>:<br />
 <code>bash configure</code></p>
 <p>If <code>configure</code> fails due to missing dependencies (to either the <a href="#native-compiler-toolchain-requirements">toolchain</a>, <a href="#build-tools-requirements">build tools</a>, <a href="#external-library-requirements">external libraries</a> or the <a href="#boot-jdk-requirements">boot JDK</a>), most of the time it prints a suggestion on how to resolve the situation on your platform. Follow the instructions, and try running <code>bash configure</code> again.</p></li>
@@ -129,8 +129,8 @@
 <p>The JDK is a complex software project. Building it requires a certain amount of technical expertise, a fair number of dependencies on external software, and reasonably powerful hardware.</p>
 <p>If you just want to use the JDK and not build it yourself, this document is not for you. See for instance <a href="http://openjdk.java.net/install">OpenJDK installation</a> for some methods of installing a prebuilt JDK.</p>
 <h2 id="getting-the-source-code">Getting the Source Code</h2>
-<p>Make sure you are getting the correct version. As of JDK 10, the source is no longer split into separate repositories so you only need to clone one single repository. At the <a href="http://hg.openjdk.java.net/">OpenJDK Mercurial server</a> you can see a list of all available forests. If you want to build an older version, e.g. JDK 8, it is recommended that you get the <code>jdk8u</code> forest, which contains incremental updates, instead of the <code>jdk8</code> forest, which was frozen at JDK 8 GA.</p>
-<p>If you are new to Mercurial, a good place to start is the <a href="http://www.mercurial-scm.org/guide">Mercurial Beginner's Guide</a>. The rest of this document assumes a working knowledge of Mercurial.</p>
+<p>Make sure you are getting the correct version. As of JDK 10, the source is no longer split into separate repositories so you only need to clone one single repository. At the <a href="https://git.openjdk.java.net/">OpenJDK Git site</a> you can see a list of all available repositories. If you want to build an older version, e.g. JDK 8, it is recommended that you get the <code>jdk8u</code> forest, which contains incremental updates, instead of the <code>jdk8</code> forest, which was frozen at JDK 8 GA.</p>
+<p>If you are new to Git, a good place to start is the book <a href="https://git-scm.com/book/en/v2">Pro Git</a>. The rest of this document assumes a working knowledge of Git.</p>
 <h3 id="special-considerations">Special Considerations</h3>
 <p>For a smooth building experience, it is recommended that you follow these rules on where and how to check out the source code.</p>
 <ul>
@@ -141,7 +141,11 @@
 <ul>
 <li><p>Create the directory that is going to contain the top directory of the JDK clone by using the <code>mkdir</code> command in the Cygwin bash shell. That is, do <em>not</em> create it using Windows Explorer. This will ensure that it will have proper Cygwin attributes, and that it's children will inherit those attributes.</p></li>
 <li><p>Do not put the JDK clone in a path under your Cygwin home directory. This is especially important if your user name contains spaces and/or mixed upper and lower case letters.</p></li>
-<li><p>Clone the JDK repository using the Cygwin command line <code>hg</code> client as instructed in this document. That is, do <em>not</em> use another Mercurial client such as TortoiseHg.</p></li>
+<li><p>You need to install a git client. You have two choices, Cygwin git or Git for Windows. Unfortunately there are pros and cons with each choice.</p>
+<ul>
+<li><p>The Cygwin <code>git</code> client has no line ending issues and understands Cygwin paths (which are used throughout the JDK build system). However, it does not currently work well with the Skara CLI tooling. Please see the <a href="https://wiki.openjdk.java.net/display/SKARA/Skara#Skara-Git">Skara wiki on Git clients</a> for up-to-date information about the Skara git client support.</p></li>
+<li><p>The <a href="https://gitforwindows.org">Git for Windows</a> client has issues with line endings, and do not understand Cygwin paths. It does work well with the Skara CLI tooling, however. To alleviate the line ending problems, make sure you set <code>core.autocrlf</code> to <code>false</code> (this is asked during installation).</p></li>
+</ul></li>
 </ul>
 <p>Failure to follow this procedure might result in hard-to-debug build problems.</p></li>
 </ul>
@@ -191,7 +195,7 @@
 <p>Windows XP is not a supported platform, but all newer Windows should be able to build the JDK.</p>
 <p>On Windows, it is important that you pay attention to the instructions in the <a href="#special-considerations">Special Considerations</a>.</p>
 <p>Windows is the only non-POSIX OS supported by the JDK, and as such, requires some extra care. A POSIX support layer is required to build on Windows. Currently, the only supported such layer is Cygwin. (Msys is no longer supported due to a too old bash; msys2 and the new Windows Subsystem for Linux (WSL) would likely be possible to support in a future version but that would require effort to implement.)</p>
-<p>Internally in the build system, all paths are represented as Unix-style paths, e.g. <code>/cygdrive/c/hg/jdk9/Makefile</code> rather than <code>C:\hg\jdk9\Makefile</code>. This rule also applies to input to the build system, e.g. in arguments to <code>configure</code>. So, use <code>--with-msvcr-dll=/cygdrive/c/msvcr100.dll</code> rather than <code>--with-msvcr-dll=c:\msvcr100.dll</code>. For details on this conversion, see the section on <a href="#fixpath">Fixpath</a>.</p>
+<p>Internally in the build system, all paths are represented as Unix-style paths, e.g. <code>/cygdrive/c/git/jdk/Makefile</code> rather than <code>C:\git\jdk\Makefile</code>. This rule also applies to input to the build system, e.g. in arguments to <code>configure</code>. So, use <code>--with-msvcr-dll=/cygdrive/c/msvcr100.dll</code> rather than <code>--with-msvcr-dll=c:\msvcr100.dll</code>. For details on this conversion, see the section on <a href="#fixpath">Fixpath</a>.</p>
 <h4 id="cygwin">Cygwin</h4>
 <p>A functioning <a href="http://www.cygwin.com/">Cygwin</a> environment is thus required for building the JDK on Windows. If you have a 64-bit OS, we strongly recommend using the 64-bit version of Cygwin.</p>
 <p><strong>Note:</strong> Cygwin has a model of continuously updating all packages without any easy way to install or revert to a specific version of a package. This means that whenever you add or update a package in Cygwin, you might (inadvertently) update tools that are used by the JDK build process, and that can cause unexpected build problems.</p>
@@ -353,7 +357,7 @@ cc: Sun C 5.13 SunOS_i386 2014/10/20
 $ CC -V
 CC: Sun C++ 5.13 SunOS_i386 151846-10 2015/10/30</code></pre>
 <h3 id="microsoft-visual-studio">Microsoft Visual Studio</h3>
-<p>The minimum accepted version of Visual Studio is 2010. Older versions will not be accepted by <code>configure</code>. The maximum accepted version of Visual Studio is 2017. Versions older than 2017 are unlikely to continue working for long.</p>
+<p>The minimum accepted version of Visual Studio is 2010. Older versions will not be accepted by <code>configure</code>. The maximum accepted version of Visual Studio is 2019. Versions older than 2017 are unlikely to continue working for long.</p>
 <p>If you have multiple versions of Visual Studio installed, <code>configure</code> will by default pick the latest. You can request a specific version to be used by setting <code>--with-toolchain-version</code>, e.g. <code>--with-toolchain-version=2015</code>.</p>
 <p>If you get <code>LINK: fatal error LNK1123: failure during conversion to COFF: file invalid</code> when building using Visual Studio 2010, you have encountered <a href="http://support.microsoft.com/kb/2757355">KB2757355</a>, a bug triggered by a specific installation order. However, the solution suggested by the KB article does not always resolve the problem. See <a href="https://stackoverflow.com/questions/10888391">this stackoverflow discussion</a> for other suggestions.</p>
 <h3 id="ibm-xl-cc">IBM XL C/C++</h3>
@@ -565,6 +569,47 @@ 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>Supported devkit targets</th>
+</tr>
+</thead>
+<tbody>
+<tr class="odd">
+<td>x86_64-linux-gnu</td>
+</tr>
+<tr class="even">
+<td>aarch64-linux-gnu</td>
+</tr>
+<tr class="odd">
+<td>arm-linux-gnueabihf</td>
+</tr>
+<tr class="even">
+<td>ppc64-linux-gnu</td>
+</tr>
+<tr class="odd">
+<td>ppc64le-linux-gnu</td>
+</tr>
+<tr class="even">
+<td>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 +679,72 @@ 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><code>--arch=...</code></th>
+<th><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>i386</td>
+<td>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>armhf</td>
+<td>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>arm64</td>
+<td>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>ppc64el</td>
+<td>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>s390x</td>
+<td>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>
@@ -680,14 +791,14 @@ cp: cannot stat `arm-linux-gnueabihf/libXt.so&#39;: No such file or directory</c
 
 === Output from failing command(s) repeated here ===
 * For target hotspot_variant-server_libjvm_objs_psMemoryPool.o:
-/localhome/hg/jdk9-sandbox/hotspot/src/share/vm/services/psMemoryPool.cpp:1:1: error: &#39;failhere&#39; does not name a type
+/localhome/git/jdk-sandbox/hotspot/src/share/vm/services/psMemoryPool.cpp:1:1: error: &#39;failhere&#39; does not name a type
    ... (rest of output omitted)
 
-* All command lines available in /localhome/hg/jdk9-sandbox/build/linux-x64/make-support/failure-logs.
+* All command lines available in /localhome/git/jdk-sandbox/build/linux-x64/make-support/failure-logs.
 === End of repeated output ===
 
 === Make failed targets repeated here ===
-lib/CompileJvm.gmk:207: recipe for target &#39;/localhome/hg/jdk9-sandbox/build/linux-x64/hotspot/variant-server/libjvm/objs/psMemoryPool.o&#39; failed
+lib/CompileJvm.gmk:207: recipe for target &#39;/localhome/git/jdk-sandbox/build/linux-x64/hotspot/variant-server/libjvm/objs/psMemoryPool.o&#39; failed
 make/Main.gmk:263: recipe for target &#39;hotspot-server-libs&#39; failed
 === End of repeated output ===
 
@@ -710,11 +821,11 @@ Hint: If caused by a warning, try configure --disable-warnings-as-errors.</code>
 <p>Verify that the summary at the end looks correct. Are you indeed using the Boot JDK and native toolchain that you expect?</p>
 <p>By default, the JDK has a strict approach where warnings from the compiler is considered errors which fail the build. For very new or very old compiler versions, this can trigger new classes of warnings, which thus fails the build. Run <code>configure</code> with <code>--disable-warnings-as-errors</code> to turn of this behavior. (The warnings will still show, but not make the build fail.)</p>
 <h4 id="problems-with-incremental-rebuilds">Problems with Incremental Rebuilds</h4>
-<p>Incremental rebuilds mean that when you modify part of the product, only the affected parts get rebuilt. While this works great in most cases, and significantly speed up the development process, from time to time complex interdependencies will result in an incorrect build result. This is the most common cause for unexpected build problems, together with inconsistencies between the different Mercurial repositories in the forest.</p>
+<p>Incremental rebuilds mean that when you modify part of the product, only the affected parts get rebuilt. While this works great in most cases, and significantly speed up the development process, from time to time complex interdependencies will result in an incorrect build result. This is the most common cause for unexpected build problems.</p>
 <p>Here are a suggested list of things to try if you are having unexpected build problems. Each step requires more time than the one before, so try them in order. Most issues will be solved at step 1 or 2.</p>
 <ol type="1">
-<li><p>Make sure your forest is up-to-date</p>
-<p>Run <code>bash get_source.sh</code> to make sure you have the latest version of all repositories.</p></li>
+<li><p>Make sure your repository is up-to-date</p>
+<p>Run <code>git pull origin master</code> to make sure you have the latest changes.</p></li>
 <li><p>Clean build results</p>
 <p>The simplest way to fix incremental rebuild issues is to run <code>make clean</code>. This will remove all build results, but not the configuration or any build system support artifacts. In most cases, this will solve build errors resulting from incremental build mismatches.</p></li>
 <li><p>Completely clean the build directory.</p>
@@ -723,8 +834,8 @@ Hint: If caused by a warning, try configure --disable-warnings-as-errors.</code>
 make dist-clean
 bash configure $(cat current-configuration)
 make</code></pre></li>
-<li><p>Re-clone the Mercurial forest</p>
-<p>Sometimes the Mercurial repositories themselves gets in a state that causes the product to be un-buildable. In such a case, the simplest solution is often the &quot;sledgehammer approach&quot;: delete the entire forest, and re-clone it. If you have local changes, save them first to a different location using <code>hg export</code>.</p></li>
+<li><p>Re-clone the Git repository</p>
+<p>Sometimes the Git repository gets in a state that causes the product to be un-buildable. In such a case, the simplest solution is often the &quot;sledgehammer approach&quot;: delete the entire repository, and re-clone it. If you have local changes, save them first to a different location using <code>git format-patch</code>.</p></li>
 </ol>
 <h3 id="specific-build-issues">Specific Build Issues</h3>
 <h4 id="clock-skew">Clock Skew</h4>
@@ -746,20 +857,6 @@ spawn failed</code></pre>
 <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 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>
-<p>To help you prepare a proper push path for a Mercurial repository, there exists a useful tool known as <a href="http://openjdk.java.net/projects/code-tools/defpath">defpath</a>. It will help you setup a proper push path for pushing changes to the JDK.</p>
-<p>Install the extension by cloning <code>http://hg.openjdk.java.net/code-tools/defpath</code> and updating your <code>.hgrc</code> file. Here's one way to do this:</p>
-<pre><code>cd ~
-mkdir hg-ext
-cd hg-ext
-hg clone http://hg.openjdk.java.net/code-tools/defpath
-cat &lt;&lt; EOT &gt;&gt; ~/.hgrc
-[extensions]
-defpath=~/hg-ext/defpath/defpath.py
-EOT</code></pre>
-<p>You can now setup a proper push path using:</p>
-<pre><code>hg defpath -d -u &lt;your OpenJDK username&gt;</code></pre>
-<p>If you also have the <code>trees</code> extension installed in Mercurial, you will automatically get a <code>tdefpath</code> command, which is even more useful. By running <code>hg tdefpath -du &lt;username&gt;</code> in the top repository of your forest, all repos will get setup automatically. This is the recommended usage.</p>
 <h3 id="bash-completion">Bash Completion</h3>
 <p>The <code>configure</code> and <code>make</code> commands tries to play nice with bash command-line completion (using <code>&lt;tab&gt;</code> or <code>&lt;tab&gt;&lt;tab&gt;</code>). To use this functionality, make sure you enable completion in your <code>~/.bashrc</code> (see instructions for bash in your operating system).</p>
 <p>Make completion will work out of the box, and will complete valid make targets. For instance, typing <code>make jdk-i&lt;tab&gt;</code> will complete to <code>make jdk-image</code>.</p>
@@ -813,14 +910,6 @@ sudo mv /tmp/configure /usr/local/bin</code></pre>
 <h4 id="rebuilding-part-of-java.base-jdk_filter">Rebuilding Part of java.base (JDK_FILTER)</h4>
 <p>If you are modifying files in <code>java.base</code>, which is the by far largest module in the JDK, then you need to rebuild all those files whenever a single file has changed. (This inefficiency will hopefully be addressed in JDK 10.)</p>
 <p>As a hack, you can use the make control variable <code>JDK_FILTER</code> to specify a pattern that will be used to limit the set of files being recompiled. For instance, <code>make java.base JDK_FILTER=javax/crypto</code> (or, to combine methods, <code>make java.base-java-only JDK_FILTER=javax/crypto</code>) will limit the compilation to files in the <code>javax.crypto</code> package.</p>
-<h3 id="learn-about-mercurial">Learn About Mercurial</h3>
-<p>To become an efficient JDK developer, it is recommended that you invest in learning Mercurial properly. Here are some links that can get you started:</p>
-<ul>
-<li><a href="http://www.mercurial-scm.org/wiki/GitConcepts">Mercurial for git users</a></li>
-<li><a href="http://www.mercurial-scm.org/wiki/Tutorial">The official Mercurial tutorial</a></li>
-<li><a href="http://hginit.com/">hg init</a></li>
-<li><a href="http://hgbook.red-bean.com/read/">Mercurial: The Definitive Guide</a></li>
-</ul>
 <h2 id="understanding-the-build-system">Understanding the Build System</h2>
 <p>This section will give you a more technical description on the details of the build system.</p>
 <h3 id="configurations">Configurations</h3>

doc/building.md

@@ -3,11 +3,11 @@
 ## TL;DR (Instructions for the Impatient)
 
 If you are eager to try out building the JDK, these simple steps works most of
-the time. They assume that you have installed Mercurial (and Cygwin if running
+the time. They assume that you have installed Git (and Cygwin if running
 on Windows) and cloned the top-level JDK repository that you want to build.
 
  1. [Get the complete source code](#getting-the-source-code): \
-    `hg clone http://hg.openjdk.java.net/jdk/jdk`
+    `git clone https://git.openjdk.java.net/jdk/`
 
  2. [Run configure](#running-configure): \
     `bash configure`
@@ -47,14 +47,14 @@ JDK.
 
 Make sure you are getting the correct version. As of JDK 10, the source is no
 longer split into separate repositories so you only need to clone one single
-repository. At the [OpenJDK Mercurial server](http://hg.openjdk.java.net/) you
-can see a list of all available forests. If you want to build an older version,
+repository. At the [OpenJDK Git site](https://git.openjdk.java.net/) you
+can see a list of all available repositories. If you want to build an older version,
 e.g. JDK 8, it is recommended that you get the `jdk8u` forest, which contains
 incremental updates, instead of the `jdk8` forest, which was frozen at JDK 8 GA.
 
-If you are new to Mercurial, a good place to start is the [Mercurial Beginner's
-Guide](http://www.mercurial-scm.org/guide). The rest of this document assumes a
-working knowledge of Mercurial.
+If you are new to Git, a good place to start is the book [Pro
+Git](https://git-scm.com/book/en/v2). The rest of this document
+assumes a working knowledge of Git.
 
 ### Special Considerations
 
@@ -89,9 +89,21 @@ on where and how to check out the source code.
         directory. This is especially important if your user name contains
         spaces and/or mixed upper and lower case letters.
 
-      * Clone the JDK repository using the Cygwin command line `hg` client
-        as instructed in this document. That is, do *not* use another Mercurial
-        client such as TortoiseHg.
+      * You need to install a git client. You have two choices, Cygwin git or
+        Git for Windows. Unfortunately there are pros and cons with each choice.
+
+        * The Cygwin `git` client has no line ending issues and understands
+          Cygwin paths (which are used throughout the JDK build system).
+          However, it does not currently work well with the Skara CLI tooling.
+          Please see the [Skara wiki on Git clients](
+          https://wiki.openjdk.java.net/display/SKARA/Skara#Skara-Git) for
+          up-to-date information about the Skara git client support.
+
+        * The [Git for Windows](https://gitforwindows.org) client has issues
+          with line endings, and do not understand Cygwin paths. It does work
+          well with the Skara CLI tooling, however. To alleviate the line ending
+          problems, make sure you set `core.autocrlf` to `false` (this is asked
+          during installation).
 
     Failure to follow this procedure might result in hard-to-debug build
     problems.
@@ -171,7 +183,7 @@ supported due to a too old bash; msys2 and the new Windows Subsystem for Linux
 require effort to implement.)
 
 Internally in the build system, all paths are represented as Unix-style paths,
-e.g. `/cygdrive/c/hg/jdk9/Makefile` rather than `C:\hg\jdk9\Makefile`. This
+e.g. `/cygdrive/c/git/jdk/Makefile` rather than `C:\git\jdk\Makefile`. This
 rule also applies to input to the build system, e.g. in arguments to
 `configure`. So, use `--with-msvcr-dll=/cygdrive/c/msvcr100.dll` rather than
 `--with-msvcr-dll=c:\msvcr100.dll`. For details on this conversion, see the section
@@ -371,7 +383,7 @@ CC: Sun C++ 5.13 SunOS_i386 151846-10 2015/10/30
 
 The minimum accepted version of Visual Studio is 2010. Older versions will not
 be accepted by `configure`. The maximum accepted version of Visual Studio is
-2017. Versions older than 2017 are unlikely to continue working for long.
+2019. Versions older than 2017 are unlikely to continue working for long.
 
 If you have multiple versions of Visual Studio installed, `configure` will by
 default pick the latest. You can request a specific version to be used by
@@ -875,6 +887,64 @@ 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 +1088,51 @@ 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
@@ -1158,14 +1273,14 @@ ERROR: Build failed for target 'hotspot' in configuration 'linux-x64' (exit code
 
 === Output from failing command(s) repeated here ===
 * For target hotspot_variant-server_libjvm_objs_psMemoryPool.o:
-/localhome/hg/jdk9-sandbox/hotspot/src/share/vm/services/psMemoryPool.cpp:1:1: error: 'failhere' does not name a type
+/localhome/git/jdk-sandbox/hotspot/src/share/vm/services/psMemoryPool.cpp:1:1: error: 'failhere' does not name a type
    ... (rest of output omitted)
 
-* All command lines available in /localhome/hg/jdk9-sandbox/build/linux-x64/make-support/failure-logs.
+* All command lines available in /localhome/git/jdk-sandbox/build/linux-x64/make-support/failure-logs.
 === End of repeated output ===
 
 === Make failed targets repeated here ===
-lib/CompileJvm.gmk:207: recipe for target '/localhome/hg/jdk9-sandbox/build/linux-x64/hotspot/variant-server/libjvm/objs/psMemoryPool.o' failed
+lib/CompileJvm.gmk:207: recipe for target '/localhome/git/jdk-sandbox/build/linux-x64/hotspot/variant-server/libjvm/objs/psMemoryPool.o' failed
 make/Main.gmk:263: recipe for target 'hotspot-server-libs' failed
 === End of repeated output ===
 
@@ -1255,17 +1370,15 @@ Incremental rebuilds mean that when you modify part of the product, only the
 affected parts get rebuilt. While this works great in most cases, and
 significantly speed up the development process, from time to time complex
 interdependencies will result in an incorrect build result. This is the most
-common cause for unexpected build problems, together with inconsistencies
-between the different Mercurial repositories in the forest.
+common cause for unexpected build problems.
 
 Here are a suggested list of things to try if you are having unexpected build
 problems. Each step requires more time than the one before, so try them in
 order. Most issues will be solved at step 1 or 2.
 
- 1. Make sure your forest is up-to-date
+ 1. Make sure your repository is up-to-date
 
-    Run `bash get_source.sh` to make sure you have the latest version of all
-    repositories.
+    Run `git pull origin master` to make sure you have the latest changes.
 
  2. Clean build results
 
@@ -1290,13 +1403,13 @@ order. Most issues will be solved at step 1 or 2.
     make
     ```
 
- 4. Re-clone the Mercurial forest
+ 4. Re-clone the Git repository
 
-    Sometimes the Mercurial repositories themselves gets in a state that causes
-    the product to be un-buildable. In such a case, the simplest solution is
-    often the "sledgehammer approach": delete the entire forest, and re-clone
-    it. If you have local changes, save them first to a different location
-    using `hg export`.
+    Sometimes the Git repository gets in a state that causes the product
+    to be un-buildable. In such a case, the simplest solution is often the
+    "sledgehammer approach": delete the entire repository, and re-clone it.
+    If you have local changes, save them first to a different location using
+    `git format-patch`.
 
 ### Specific Build Issues
 
@@ -1347,38 +1460,6 @@ contact the Adoption Group. See the section on [Contributing to OpenJDK](
 
 ## Hints and Suggestions for Advanced Users
 
-### Setting Up a Forest for Pushing Changes (defpath)
-
-To help you prepare a proper push path for a Mercurial repository, there exists
-a useful tool known as [defpath](
-http://openjdk.java.net/projects/code-tools/defpath). It will help you setup a
-proper push path for pushing changes to the JDK.
-
-Install the extension by cloning
-`http://hg.openjdk.java.net/code-tools/defpath` and updating your `.hgrc` file.
-Here's one way to do this:
-
-```
-cd ~
-mkdir hg-ext
-cd hg-ext
-hg clone http://hg.openjdk.java.net/code-tools/defpath
-cat << EOT >> ~/.hgrc
-[extensions]
-defpath=~/hg-ext/defpath/defpath.py
-EOT
-```
-
-You can now setup a proper push path using:
-```
-hg defpath -d -u <your OpenJDK username>
-```
-
-If you also have the `trees` extension installed in Mercurial, you will
-automatically get a `tdefpath` command, which is even more useful. By running
-`hg tdefpath -du <username>` in the top repository of your forest, all repos
-will get setup automatically. This is the recommended usage.
-
 ### Bash Completion
 
 The `configure` and `make` commands tries to play nice with bash command-line
@@ -1521,16 +1602,6 @@ instance, `make java.base JDK_FILTER=javax/crypto` (or, to combine methods,
 `make java.base-java-only JDK_FILTER=javax/crypto`) will limit the compilation
 to files in the `javax.crypto` package.
 
-### Learn About Mercurial
-
-To become an efficient JDK developer, it is recommended that you invest in
-learning Mercurial properly. Here are some links that can get you started:
-
-  * [Mercurial for git users](http://www.mercurial-scm.org/wiki/GitConcepts)
-  * [The official Mercurial tutorial](http://www.mercurial-scm.org/wiki/Tutorial)
-  * [hg init](http://hginit.com/)
-  * [Mercurial: The Definitive Guide](http://hgbook.red-bean.com/read/)
-
 ## Understanding the Build System
 
 This section will give you a more technical description on the details of the

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 07373a8bd65d7c2663024709f0d5b7e0e41aba40 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 01/28] 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 e4f1b934afc..ef4011c1292 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
+@@ -2428,6 +2428,8 @@ 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)
+@@ -3610,6 +3612,62 @@ 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
+@@ -3796,6 +3854,11 @@ void java_lang_invoke_ResolvedMethodName::set_vmtarget(oop resolved_method, Meth
    resolved_method->address_field_put(_vmtarget_offset, (address)m);
  }
  
@@ -537,7 +537,7 @@ index 438e7aa4ec9..ea0588e5388 100644
    // lookup ResolvedMethod oop in the table, or create a new one and intern it
    oop resolved_method = ResolvedMethodTable::find_method(m());
 diff --git a/src/hotspot/share/classfile/javaClasses.hpp b/src/hotspot/share/classfile/javaClasses.hpp
-index bd9cdca3fe3..da004d1b307 100644
+index 910bb084b63..89a46264553 100644
 --- a/src/hotspot/share/classfile/javaClasses.hpp
 +++ b/src/hotspot/share/classfile/javaClasses.hpp
 @@ -67,6 +67,8 @@
@@ -561,7 +561,7 @@ index bd9cdca3fe3..da004d1b307 100644
    static void allocate_fixup_lists();
    static void compute_offsets();
  
-@@ -1055,6 +1057,55 @@ class java_lang_invoke_DirectMethodHandle: AllStatic {
+@@ -1048,6 +1050,55 @@ class java_lang_invoke_DirectMethodHandle: AllStatic {
    static int member_offset_in_bytes()           { return _member_offset; }
  };
  
@@ -617,7 +617,7 @@ index bd9cdca3fe3..da004d1b307 100644
  // Interface to java.lang.invoke.LambdaForm objects
  // (These are a private interface for managing adapter code generation.)
  
-@@ -1106,6 +1157,7 @@ class java_lang_invoke_ResolvedMethodName : AllStatic {
+@@ -1099,6 +1150,7 @@ class java_lang_invoke_ResolvedMethodName : AllStatic {
  
    static Method* vmtarget(oop resolved_method);
    static void set_vmtarget(oop resolved_method, Method* method);
@@ -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 8955dd0b366..26ff6ee9853 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() {
@@ -1684,10 +1684,10 @@ 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 6cf7aec68f8..61a406377ee 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
+@@ -1471,6 +1471,7 @@ static InstanceKlass* create_new_instance_klass(InstanceKlass* ik, ClassFileStre
                               NULL, // host klass
                               NULL, // cp_patches
                               ClassFileParser::INTERNAL, // internal visibility
@@ -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 0d686d85fc7..70b525533cd 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,
@@ -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 b8246554f74..be2c373aba7 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 41093b9513718c3122f3ff36da7fc2eeca224a10 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 02/28] 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");
@@ -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 caa877d9126bd91d6719675a83928ba01bffb69a 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 03/28] 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() {

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 93373779a1d44181ca07498faa8a0e8d7fc6b608 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 04/28] 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 c8850725d4c84f93beaee3c05f9d8f9862fe6159 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
+Date: Thu, 15 Nov 2018 03:20:08 +0700
+Subject: [PATCH 05/28] HotswapAgent integration
 
 It include:
 
@@ -37,7 +37,7 @@ old DCEVM
  make/launcher/Launcher-jdk.jartool.gmk        |  2 +
  make/launcher/Launcher-jdk.javadoc.gmk        |  3 +-
  make/launcher/Launcher-jdk.jcmd.gmk           | 13 +++-
- make/launcher/Launcher-jdk.jconsole.gmk       |  3 +-
+ make/launcher/Launcher-jdk.jconsole.gmk       |  1 +
  make/launcher/Launcher-jdk.jdeps.gmk          |  3 +
  make/launcher/Launcher-jdk.jdi.gmk            |  1 +
  make/launcher/Launcher-jdk.jlink.gmk          |  5 +-
@@ -55,7 +55,7 @@ old DCEVM
  .../classes/com/sun/beans/package-info.java   | 26 +++++++
  .../com/sun/beans/util/package-info.java      | 26 +++++++
  .../share/classes/module-info.java            |  3 +
- 28 files changed, 209 insertions(+), 11 deletions(-)
+ 28 files changed, 208 insertions(+), 10 deletions(-)
  create mode 100644 src/java.desktop/share/classes/com/sun/beans/introspect/package-info.java
  create mode 100644 src/java.desktop/share/classes/com/sun/beans/package-info.java
  create mode 100644 src/java.desktop/share/classes/com/sun/beans/util/package-info.java
@@ -259,16 +259,14 @@ 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..2f442f69113 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, \
-     MAIN_CLASS := sun.tools.jconsole.JConsole, \
+@@ -30,6 +30,7 @@ $(eval $(call SetupBuildLauncher, jconsole, \
      JAVA_ARGS := --add-opens java.base/java.io=jdk.jconsole \
--		 -Djconsole.showOutputViewer, \
-+      -Djconsole.showOutputViewer \
-+      -XX:+DisableHotswapAgent, \
+ 		 -Djconsole.showOutputViewer \
+ 		 -Djdk.attach.allowAttachSelf=true, \
++         -XX:+DisableHotswapAgent, \
      CFLAGS_windows := -DJAVAW, \
      LIBS_windows := user32.lib, \
  ))
@@ -392,7 +390,7 @@ 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 26ff6ee9853..2409af9b06e 100644
 --- a/src/hotspot/share/classfile/vmSymbols.hpp
 +++ b/src/hotspot/share/classfile/vmSymbols.hpp
 @@ -342,6 +342,7 @@
@@ -513,7 +511,7 @@ 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 +527,7 @@ 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 1552e3854e11fb835452aa531ef53b78bb4588a5 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 06/28] 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,
@@ -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 1983b4f45f0..5e7aca092eb 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 83c2efaeb6ea9ee29c6d9eb779991db787c036ac 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 07/28] 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))

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 f9e238b9bf2cc3ae0c437fa3ebb1703c35f575cf 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 08/28] 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 a579caf20ac76a5d7cc159d5fed2efa074380f0f 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 09/28] Support for G1 gc
 
 ---
  src/hotspot/share/gc/g1/g1CollectedHeap.cpp   |  20 +++
@@ -31,10 +31,10 @@ Subject: [PATCH 09/13] Support for G1 gc
  create mode 100644 src/hotspot/share/gc/shared/dcevmSharedGC.hpp
 
 diff --git a/src/hotspot/share/gc/g1/g1CollectedHeap.cpp b/src/hotspot/share/gc/g1/g1CollectedHeap.cpp
-index dea8d9fdb0e..33664a30519 100644
+index a15b400c8e4..985fbad581b 100644
 --- a/src/hotspot/share/gc/g1/g1CollectedHeap.cpp
 +++ b/src/hotspot/share/gc/g1/g1CollectedHeap.cpp
-@@ -2108,6 +2108,21 @@ public:
+@@ -2111,6 +2111,21 @@ public:
    }
  };
  
@@ -56,7 +56,7 @@ index dea8d9fdb0e..33664a30519 100644
  void G1CollectedHeap::object_iterate(ObjectClosure* cl) {
    IterateObjectClosureRegionClosure blk(cl);
    heap_region_iterate(&blk);
-@@ -2117,6 +2132,11 @@ void G1CollectedHeap::heap_region_iterate(HeapRegionClosure* cl) const {
+@@ -2124,6 +2139,11 @@ void G1CollectedHeap::heap_region_iterate(HeapRegionClosure* cl) const {
    _hrm.iterate(cl);
  }
  
@@ -69,7 +69,7 @@ index dea8d9fdb0e..33664a30519 100644
                                                                   HeapRegionClaimer *hrclaimer,
                                                                   uint worker_id) const {
 diff --git a/src/hotspot/share/gc/g1/g1CollectedHeap.hpp b/src/hotspot/share/gc/g1/g1CollectedHeap.hpp
-index 8a171dc6b52..05a068bb2e0 100644
+index be160d04bfe..9e92ee4a1fa 100644
 --- a/src/hotspot/share/gc/g1/g1CollectedHeap.hpp
 +++ b/src/hotspot/share/gc/g1/g1CollectedHeap.hpp
 @@ -144,6 +144,7 @@ class G1CollectedHeap : public CollectedHeap {
@@ -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() {

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 8d14e792d9849beedc74de690cf4d208ac384878 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 10/28] 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

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 5c437ade174426dbaf99a53823597ac7d3b1b4da 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 11/28] 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 8b1c8178e66af30012fdda3e7f1076309daaf6c4 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 12/28] 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 5e7a1218684556596677f39ae01b2ec13ff68a19 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 13/28] 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 b9440902d34..c487ac6f047 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 c2a4abf7d01ecd7bd262e824338d6235a584086b 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 14/28] 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 5be9bb74305..f4bde7504c8 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 9755944d70b..4c0412d343d 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 f0b7253294f14a64a5a4d0ef825e5377da03efa5 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 15/28] 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 0550e70425054a77e32fb96770d416b077720857 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 16/28] 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 61a406377ee..da9df7a21a2 100644
+--- a/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
++++ b/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
+@@ -1471,7 +1471,7 @@ 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 fde9f15ed4fdb5139b6b81238d0a667327b552bb 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 17/28] 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-Ignore-MetadataOnStackMark-if-redefining_gc_run.patch

@@ -0,0 +1,25 @@
+From 5b5f620932894e807956b45653d153d001be9fb1 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Sun, 1 Nov 2020 21:19:00 +0100
+Subject: [PATCH 18/28] Ignore MetadataOnStackMark if redefining_gc_run
+
+---
+ src/hotspot/share/classfile/classLoaderData.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/classfile/classLoaderData.cpp b/src/hotspot/share/classfile/classLoaderData.cpp
+index bba5ce0511f..8b2deb70e1b 100644
+--- a/src/hotspot/share/classfile/classLoaderData.cpp
++++ b/src/hotspot/share/classfile/classLoaderData.cpp
+@@ -1401,7 +1401,7 @@ bool ClassLoaderDataGraph::do_unloading(bool 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, AllowEnhancedClassRedefinition);
++  MetadataOnStackMark md_on_stack(walk_all_metadata, Universe::is_redefining_gc_run());
+ 
+   // 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.
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0019-Fix-LoadedClassesClosure-fixes-problems-with-remote-.patch

@@ -0,0 +1,26 @@
+From 29ac3233d58d9a1a30160ae13a895ff70e504022 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 19/28] 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/0020-Disable-AllowEnhancedClassRedefinition-in-flight-rec.patch

@@ -0,0 +1,31 @@
+From 99e8f8d420dd09d6fb7f035d4baf7ef4816177e8 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 20/28] 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/patches/dcevm/0021-JBR-3106-Check-InstanceKlass-has_nestmate_access_to-.patch

@@ -0,0 +1,41 @@
+From 1bb55ff9f91733e45dd6f87eb4201a989b3338e3 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
+Date: Fri, 12 Feb 2021 12:33:11 +0100
+Subject: [PATCH 21/28] JBR-3106 Check InstanceKlass::has_nestmate_access_to
+ with active classes
+
+Dcevm can leave old host in nested class if nested class is not
+redefined together with host class
+---
+ src/hotspot/share/oops/instanceKlass.cpp | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
+index 710e0ddc930..24eb3ed68a6 100644
+--- a/src/hotspot/share/oops/instanceKlass.cpp
++++ b/src/hotspot/share/oops/instanceKlass.cpp
+@@ -327,11 +327,21 @@ bool InstanceKlass::has_nestmate_access_to(InstanceKlass* k, TRAPS) {
+     return false;
+   }
+ 
++  // (DCEVM) cur_host can be old, decide accessibility based on active version
++  if (AllowEnhancedClassRedefinition) {
++    cur_host = InstanceKlass::cast(cur_host->active_version());
++  }
++
+   Klass* k_nest_host = k->nest_host(icce, CHECK_false);
+   if (k_nest_host == NULL) {
+     return false;
+   }
+ 
++  // (DCEVM) k_nest_host can be old, decide accessibility based on active version
++  if (AllowEnhancedClassRedefinition) {
++    k_nest_host = InstanceKlass::cast(k_nest_host->active_version());
++  }
++
+   bool access = (cur_host == k_nest_host);
+ 
+   if (log_is_enabled(Trace, class, nestmates)) {
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0022-JBR-3110-Fix-assert-in-MetadataOnStackMark.patch

@@ -0,0 +1,31 @@
+From 52427060aba227d09dce4bd14410e1e626d64e46 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Sun, 7 Feb 2021 12:08:58 +0100
+Subject: [PATCH 22/28] JBR-3110 Fix assert in MetadataOnStackMark
+
+Fixed fastdebug tests crashes in redefine gc run
+---
+ src/hotspot/share/classfile/metadataOnStackMark.cpp | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/metadataOnStackMark.cpp b/src/hotspot/share/classfile/metadataOnStackMark.cpp
+index 9d7bdbde74b..66049f11629 100644
+--- a/src/hotspot/share/classfile/metadataOnStackMark.cpp
++++ b/src/hotspot/share/classfile/metadataOnStackMark.cpp
+@@ -49,10 +49,11 @@ NOT_PRODUCT(bool MetadataOnStackMark::_is_active = false;)
+ 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;)
+ 
+   if (!ignore) {
++    assert(!_is_active, "MetadataOnStackMarks do not nest");
++    NOT_PRODUCT(_is_active = true;)
++
+     Threads::metadata_handles_do(Metadata::mark_on_stack);
+ 
+     if (redefinition_walk) {
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0023-Code-cleanup.patch

@@ -0,0 +1,78 @@
+From 93cea8d61ef395a1ef9e308b0d3a8f9409b108d0 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Fri, 12 Feb 2021 11:27:39 +0100
+Subject: [PATCH 23/28] Code cleanup
+
+- Rename confusing method name old_if_redefined to old_if_redefining
+- Remove unused is_redefining_gc_run
+---
+ src/hotspot/share/classfile/dictionary.cpp | 6 +++---
+ src/hotspot/share/classfile/dictionary.hpp | 2 +-
+ src/hotspot/share/memory/universe.hpp      | 5 -----
+ 3 files changed, 4 insertions(+), 9 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/dictionary.cpp b/src/hotspot/share/classfile/dictionary.cpp
+index dda5188c370..4e361d439f4 100644
+--- a/src/hotspot/share/classfile/dictionary.cpp
++++ b/src/hotspot/share/classfile/dictionary.cpp
+@@ -381,7 +381,7 @@ InstanceKlass* Dictionary::find(unsigned int hash, Symbol* name,
+   int index = hash_to_index(hash);
+   DictionaryEntry* entry = get_entry(index, hash, name);
+   if (entry != NULL && entry->is_valid_protection_domain(protection_domain)) {
+-    return old_if_redefined(entry->instance_klass());
++    return old_if_redefining(entry->instance_klass());
+   } else {
+     return NULL;
+   }
+@@ -394,7 +394,7 @@ InstanceKlass* Dictionary::find_class(int index, unsigned int hash,
+   assert (index == index_for(name), "incorrect index?");
+ 
+   DictionaryEntry* entry = get_entry(index, hash, name);
+-  return old_if_redefined((entry != NULL) ? entry->instance_klass() : NULL);
++  return old_if_redefining((entry != NULL) ? entry->instance_klass() : NULL);
+ }
+ 
+ 
+@@ -406,7 +406,7 @@ InstanceKlass* Dictionary::find_shared_class(int index, unsigned int hash,
+   assert (index == index_for(name), "incorrect index?");
+ 
+   DictionaryEntry* entry = get_entry(index, hash, name);
+-  return old_if_redefined((entry != NULL) ? entry->instance_klass() : NULL);
++  return old_if_redefining((entry != NULL) ? entry->instance_klass() : NULL);
+ }
+ 
+ 
+diff --git a/src/hotspot/share/classfile/dictionary.hpp b/src/hotspot/share/classfile/dictionary.hpp
+index 5eaa741d500..f6e08e7bfd5 100644
+--- a/src/hotspot/share/classfile/dictionary.hpp
++++ b/src/hotspot/share/classfile/dictionary.hpp
+@@ -120,7 +120,7 @@ public:
+   void rollback_redefinition();
+ 
+   // (DCEVM) return old class if redefining in AllowEnhancedClassRedefinition, otherwise return "k"
+-  static InstanceKlass* old_if_redefined(InstanceKlass* k) {
++  static InstanceKlass* old_if_redefining(InstanceKlass* k) {
+     return (k != NULL && k->is_redefining()) ? ((InstanceKlass* )k->old_version()) : k;
+   }
+ };
+diff --git a/src/hotspot/share/memory/universe.hpp b/src/hotspot/share/memory/universe.hpp
+index b32db16b9cf..742dada0e8f 100644
+--- a/src/hotspot/share/memory/universe.hpp
++++ b/src/hotspot/share/memory/universe.hpp
+@@ -52,13 +52,8 @@ class LatestMethodCache : public CHeapObj<mtClass> {
+   Klass*                _klass;
+   int                   _method_idnum;
+ 
+-  static bool _is_redefining_gc_run;
+-
+  public:
+ 
+-   static bool is_redefining_gc_run()               { return _is_redefining_gc_run; }
+-   static void set_redefining_gc_run(bool b)        { _is_redefining_gc_run = b;    }
+-
+   LatestMethodCache()   { _klass = NULL; _method_idnum = -1; }
+   ~LatestMethodCache()  { _klass = NULL; _method_idnum = -1; }
+ 
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0024-JBR-3111-Update-class-in-all-dictionaries-where-it-w.patch

@@ -0,0 +1,95 @@
+From dcb44f0e56dbc63b90d655b694a3f7751744fe53 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Sat, 13 Feb 2021 20:47:52 +0100
+Subject: [PATCH 24/28] JBR-3111 Update class in all dictionaries where it was
+ already defined
+
+This patch keeps compatibility with std redefinition, that does not
+create a new Klass, but modifies it, then it is modified in all
+dictionaries containing this class.
+---
+ src/hotspot/share/classfile/classLoaderData.cpp  | 9 +++++++++
+ src/hotspot/share/classfile/classLoaderData.hpp  | 3 +++
+ src/hotspot/share/classfile/dictionary.cpp       | 2 +-
+ src/hotspot/share/classfile/dictionary.hpp       | 2 +-
+ src/hotspot/share/classfile/systemDictionary.cpp | 4 +++-
+ 5 files changed, 17 insertions(+), 3 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/classLoaderData.cpp b/src/hotspot/share/classfile/classLoaderData.cpp
+index 8b2deb70e1b..4e06b09e7d5 100644
+--- a/src/hotspot/share/classfile/classLoaderData.cpp
++++ b/src/hotspot/share/classfile/classLoaderData.cpp
+@@ -1274,6 +1274,15 @@ void ClassLoaderDataGraph::rollback_redefinition() {
+   }
+ }
+ 
++// (DCEVM) - iterate over all classes in all dictionaries
++bool ClassLoaderDataGraph::dictionary_classes_do_update_klass(Symbol* name, InstanceKlass* k, InstanceKlass* old_klass) {
++  bool ok = false;
++  FOR_ALL_DICTIONARY(cld) {
++    ok = cld->dictionary()->update_klass(name, k, old_klass) || ok;
++  }
++  return ok;
++}
++
+ // Walks all entries in the dictionary including entries initiated by this class loader.
+ void ClassLoaderDataGraph::dictionary_all_entries_do(void f(InstanceKlass*, ClassLoaderData*)) {
+   Thread* thread = Thread::current();
+diff --git a/src/hotspot/share/classfile/classLoaderData.hpp b/src/hotspot/share/classfile/classLoaderData.hpp
+index 00a84610b43..16711dca237 100644
+--- a/src/hotspot/share/classfile/classLoaderData.hpp
++++ b/src/hotspot/share/classfile/classLoaderData.hpp
+@@ -130,6 +130,9 @@ class ClassLoaderDataGraph : public AllStatic {
+   // Enhanced class redefinition
+   static void rollback_redefinition();
+ 
++  // Enhanced class redefinition
++  static bool dictionary_classes_do_update_klass(Symbol* name, InstanceKlass* k, InstanceKlass* old_klass);
++
+   // Iterate all classes and their class loaders, including initiating class loaders.
+   static void dictionary_all_entries_do(void f(InstanceKlass*, ClassLoaderData*));
+ 
+diff --git a/src/hotspot/share/classfile/dictionary.cpp b/src/hotspot/share/classfile/dictionary.cpp
+index 4e361d439f4..6c072407fd9 100644
+--- a/src/hotspot/share/classfile/dictionary.cpp
++++ b/src/hotspot/share/classfile/dictionary.cpp
+@@ -345,7 +345,7 @@ DictionaryEntry* Dictionary::get_entry(int index, unsigned int hash,
+ }
+ 
+ // (DCEVM) replace old_class by new class in dictionary
+-bool Dictionary::update_klass(unsigned int hash, Symbol* name, ClassLoaderData* loader_data, InstanceKlass* k, InstanceKlass* old_klass) {
++bool Dictionary::update_klass(Symbol* name, InstanceKlass* k, InstanceKlass* old_klass) {
+   // There are several entries for the same class in the dictionary: One extra entry for each parent classloader of the classloader of the class.
+   bool found = false;
+   for (int index = 0; index < table_size(); index++) {
+diff --git a/src/hotspot/share/classfile/dictionary.hpp b/src/hotspot/share/classfile/dictionary.hpp
+index f6e08e7bfd5..2932cc9c320 100644
+--- a/src/hotspot/share/classfile/dictionary.hpp
++++ b/src/hotspot/share/classfile/dictionary.hpp
+@@ -115,7 +115,7 @@ public:
+   void free_entry(DictionaryEntry* entry);
+ 
+   // Enhanced class redefinition
+-  bool update_klass(unsigned int hash, Symbol* name, ClassLoaderData* loader_data, InstanceKlass* k, InstanceKlass* old_klass);
++  bool update_klass(Symbol* name, InstanceKlass* k, InstanceKlass* old_klass);
+ 
+   void rollback_redefinition();
+ 
+diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
+index 9e0f4dd3c96..789b5fb1e6d 100644
+--- a/src/hotspot/share/classfile/systemDictionary.cpp
++++ b/src/hotspot/share/classfile/systemDictionary.cpp
+@@ -1606,7 +1606,9 @@ void SystemDictionary::define_instance_class(InstanceKlass* k, InstanceKlass* ol
+   Dictionary* dictionary = loader_data->dictionary();
+   unsigned int d_hash = dictionary->compute_hash(name_h);
+   if (is_redefining) {
+-    bool ok = dictionary->update_klass(d_hash, name_h, loader_data, k, old_klass);
++    // Update all dictionaries containing old_class to new_class
++    // outcome must be same as result of standard redefinition, that does not create a new Klass
++    bool ok = ClassLoaderDataGraph::dictionary_classes_do_update_klass(name_h, k, old_klass);
+     assert (ok, "must have found old class and updated!");
+   }
+   check_constraints(d_hash, k, class_loader_h, !is_redefining, CHECK);
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0025-JBR-3140-support-for-modularized-HotswapAgent.patch

@@ -0,0 +1,527 @@
+From b9692c48bdbad8474251cfe72ac85e5c7ff2847e Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Thu, 18 Jun 2020 18:40:11 +0200
+Subject: [PATCH 25/28] JBR-3140 - support for modularized HotswapAgent
+
+Add -XX:HotswapAgent=[disabled,fatjar.core]
+---
+ make/launcher/Launcher-java.base.gmk          |  1 -
+ make/launcher/Launcher-java.rmi.gmk           |  2 -
+ make/launcher/Launcher-java.scripting.gmk     |  3 +-
+ make/launcher/Launcher-java.security.jgss.gmk |  3 --
+ make/launcher/Launcher-jdk.aot.gmk            |  2 -
+ make/launcher/Launcher-jdk.compiler.gmk       |  5 +-
+ make/launcher/Launcher-jdk.hotspot.agent.gmk  |  1 -
+ make/launcher/Launcher-jdk.jartool.gmk        |  2 -
+ make/launcher/Launcher-jdk.javadoc.gmk        |  3 +-
+ make/launcher/Launcher-jdk.jcmd.gmk           | 13 +----
+ make/launcher/Launcher-jdk.jdeps.gmk          |  3 --
+ make/launcher/Launcher-jdk.jdi.gmk            |  1 -
+ make/launcher/Launcher-jdk.jlink.gmk          |  5 +-
+ make/launcher/Launcher-jdk.jshell.gmk         |  1 -
+ make/launcher/Launcher-jdk.jstatd.gmk         |  1 -
+ make/launcher/Launcher-jdk.pack.gmk           |  1 -
+ make/launcher/Launcher-jdk.rmic.gmk           |  1 -
+ .../Launcher-jdk.scripting.nashorn.shell.gmk  |  3 +-
+ src/hotspot/share/runtime/arguments.cpp       | 48 +++++++++++--------
+ .../runtime/flags/jvmFlagConstraintList.cpp   | 23 +++++++++
+ .../runtime/flags/jvmFlagConstraintList.hpp   |  1 +
+ .../flags/jvmFlagConstraintsRuntime.cpp       | 10 ++++
+ .../flags/jvmFlagConstraintsRuntime.hpp       |  1 +
+ src/hotspot/share/runtime/globals.hpp         | 12 ++++-
+ 24 files changed, 81 insertions(+), 65 deletions(-)
+
+diff --git a/make/launcher/Launcher-java.base.gmk b/make/launcher/Launcher-java.base.gmk
+index 38ba29530d8..f6d4aa28fe6 100644
+--- a/make/launcher/Launcher-java.base.gmk
++++ b/make/launcher/Launcher-java.base.gmk
+@@ -52,7 +52,6 @@ endif
+ 
+ $(eval $(call SetupBuildLauncher, keytool, \
+     MAIN_CLASS := sun.security.tools.keytool.Main, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+ ))
+ 
+ ################################################################################
+diff --git a/make/launcher/Launcher-java.rmi.gmk b/make/launcher/Launcher-java.rmi.gmk
+index 07046232275..a69a90bcc81 100644
+--- a/make/launcher/Launcher-java.rmi.gmk
++++ b/make/launcher/Launcher-java.rmi.gmk
+@@ -27,10 +27,8 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, rmid, \
+     MAIN_CLASS := sun.rmi.server.Activation, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+ ))
+ 
+ $(eval $(call SetupBuildLauncher, rmiregistry, \
+     MAIN_CLASS := sun.rmi.registry.RegistryImpl, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+ ))
+diff --git a/make/launcher/Launcher-java.scripting.gmk b/make/launcher/Launcher-java.scripting.gmk
+index cf100e20789..057d2bf3aca 100644
+--- a/make/launcher/Launcher-java.scripting.gmk
++++ b/make/launcher/Launcher-java.scripting.gmk
+@@ -27,6 +27,5 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, jrunscript, \
+     MAIN_CLASS := com.sun.tools.script.shell.Main, \
+-    JAVA_ARGS := --add-modules ALL-DEFAULT \
+-        -XX:+DisableHotswapAgent, \
++    JAVA_ARGS := --add-modules ALL-DEFAULT, \
+ ))
+diff --git a/make/launcher/Launcher-java.security.jgss.gmk b/make/launcher/Launcher-java.security.jgss.gmk
+index 2b856bfccb4..7411e1a21c4 100644
+--- a/make/launcher/Launcher-java.security.jgss.gmk
++++ b/make/launcher/Launcher-java.security.jgss.gmk
+@@ -28,16 +28,13 @@ include LauncherCommon.gmk
+ ifeq ($(OPENJDK_TARGET_OS), windows)
+   $(eval $(call SetupBuildLauncher, kinit, \
+       MAIN_CLASS := sun.security.krb5.internal.tools.Kinit, \
+-      JAVA_ARGS := -XX:+DisableHotswapAgent, \
+   ))
+ 
+   $(eval $(call SetupBuildLauncher, klist, \
+       MAIN_CLASS := sun.security.krb5.internal.tools.Klist, \
+-      JAVA_ARGS := -XX:+DisableHotswapAgent, \
+   ))
+ 
+   $(eval $(call SetupBuildLauncher, ktab, \
+       MAIN_CLASS := sun.security.krb5.internal.tools.Ktab, \
+-      JAVA_ARGS := -XX:+DisableHotswapAgent, \
+   ))
+ endif
+diff --git a/make/launcher/Launcher-jdk.aot.gmk b/make/launcher/Launcher-jdk.aot.gmk
+index 2c52c31a555..10717a5e1c5 100644
+--- a/make/launcher/Launcher-jdk.aot.gmk
++++ b/make/launcher/Launcher-jdk.aot.gmk
+@@ -31,7 +31,6 @@ include LauncherCommon.gmk
+ $(eval $(call SetupBuildLauncher, jaotc, \
+     MAIN_CLASS := jdk.tools.jaotc.Main, \
+     EXTRA_JAVA_ARGS := -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI \
+-        -XX:+DisableHotswapAgent \
+         --add-exports=jdk.internal.vm.ci/jdk.vm.ci.aarch64=$(call CommaList, jdk.internal.vm.compiler  jdk.aot) \
+         --add-exports=jdk.internal.vm.ci/jdk.vm.ci.amd64=$(call CommaList, jdk.internal.vm.compiler  jdk.aot) \
+         --add-exports=jdk.internal.vm.ci/jdk.vm.ci.code=$(call CommaList, jdk.internal.vm.compiler  jdk.aot) \
+@@ -41,7 +40,6 @@ $(eval $(call SetupBuildLauncher, jaotc, \
+         --add-exports=jdk.internal.vm.ci/jdk.vm.ci.hotspot=$(call CommaList, jdk.internal.vm.compiler  jdk.aot) \
+     , \
+     JAVA_ARGS := --add-exports=jdk.internal.vm.ci/jdk.vm.ci.hotspot.aarch64=$(call CommaList, jdk.internal.vm.compiler  jdk.aot) \
+-        -XX:+DisableHotswapAgent \
+         --add-exports=jdk.internal.vm.ci/jdk.vm.ci.hotspot.amd64=$(call CommaList, jdk.internal.vm.compiler  jdk.aot) \
+         --add-exports=jdk.internal.vm.ci/jdk.vm.ci.hotspot.aarch64=$(call CommaList, jdk.internal.vm.compiler  jdk.aot) \
+         --add-exports=jdk.internal.vm.ci/jdk.vm.ci.hotspot.sparc=$(call CommaList, jdk.internal.vm.compiler  jdk.aot) \
+diff --git a/make/launcher/Launcher-jdk.compiler.gmk b/make/launcher/Launcher-jdk.compiler.gmk
+index 744969546de..f71c37adf74 100644
+--- a/make/launcher/Launcher-jdk.compiler.gmk
++++ b/make/launcher/Launcher-jdk.compiler.gmk
+@@ -27,14 +27,12 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, javac, \
+    MAIN_CLASS := com.sun.tools.javac.Main, \
+-   JAVA_ARGS := --add-modules ALL-DEFAULT \
+-       -XX:+DisableHotswapAgent, \
++   JAVA_ARGS := --add-modules ALL-DEFAULT, \
+    CFLAGS := -DEXPAND_CLASSPATH_WILDCARDS, \
+ ))
+ 
+ $(eval $(call SetupBuildLauncher, serialver, \
+     MAIN_CLASS := sun.tools.serialver.SerialVer, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+     CFLAGS := -DEXPAND_CLASSPATH_WILDCARDS, \
+ ))
+ 
+@@ -43,7 +41,6 @@ ifeq ($(ENABLE_SJAVAC), yes)
+   # into any real images
+   $(eval $(call SetupBuildLauncher, sjavac, \
+       MAIN_CLASS := com.sun.tools.sjavac.Main, \
+-      JAVA_ARGS := -XX:+DisableHotswapAgent, \
+       CFLAGS := -DEXPAND_CLASSPATH_WILDCARDS, \
+       OUTPUT_DIR := $(JDK_OUTPUTDIR)/bin, \
+   ))
+diff --git a/make/launcher/Launcher-jdk.hotspot.agent.gmk b/make/launcher/Launcher-jdk.hotspot.agent.gmk
+index 9f12b05b172..76da3600368 100644
+--- a/make/launcher/Launcher-jdk.hotspot.agent.gmk
++++ b/make/launcher/Launcher-jdk.hotspot.agent.gmk
+@@ -27,6 +27,5 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, jhsdb, \
+     MAIN_CLASS := sun.jvm.hotspot.SALauncher, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+     MACOSX_PRIVILEGED := true, \
+ ))
+diff --git a/make/launcher/Launcher-jdk.jartool.gmk b/make/launcher/Launcher-jdk.jartool.gmk
+index 647d82b65b1..f74e82bfdae 100644
+--- a/make/launcher/Launcher-jdk.jartool.gmk
++++ b/make/launcher/Launcher-jdk.jartool.gmk
+@@ -27,10 +27,8 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, jar, \
+     MAIN_CLASS := sun.tools.jar.Main, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+ ))
+ 
+ $(eval $(call SetupBuildLauncher, jarsigner, \
+     MAIN_CLASS := sun.security.tools.jarsigner.Main, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+ ))
+diff --git a/make/launcher/Launcher-jdk.javadoc.gmk b/make/launcher/Launcher-jdk.javadoc.gmk
+index c3d2093be04..889028a2b17 100644
+--- a/make/launcher/Launcher-jdk.javadoc.gmk
++++ b/make/launcher/Launcher-jdk.javadoc.gmk
+@@ -27,7 +27,6 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, javadoc, \
+     MAIN_CLASS := jdk.javadoc.internal.tool.Main, \
+-    JAVA_ARGS := --add-modules ALL-DEFAULT \
+-        -XX:+DisableHotswapAgent, \
++    JAVA_ARGS := --add-modules ALL-DEFAULT, \
+     CFLAGS := -DEXPAND_CLASSPATH_WILDCARDS, \
+ ))
+diff --git a/make/launcher/Launcher-jdk.jcmd.gmk b/make/launcher/Launcher-jdk.jcmd.gmk
+index 761a52d8466..7117fa78059 100644
+--- a/make/launcher/Launcher-jdk.jcmd.gmk
++++ b/make/launcher/Launcher-jdk.jcmd.gmk
+@@ -30,7 +30,6 @@ $(eval $(call SetupBuildLauncher, jinfo, \
+     JAVA_ARGS := \
+         -Dsun.jvm.hotspot.debugger.useProcDebugger \
+         -Dsun.jvm.hotspot.debugger.useWindbgDebugger, \
+-        -XX:+DisableHotswapAgent, \
+     MACOSX_PRIVILEGED := true, \
+ ))
+ 
+@@ -38,36 +37,28 @@ $(eval $(call SetupBuildLauncher, jmap, \
+     MAIN_CLASS := sun.tools.jmap.JMap, \
+     JAVA_ARGS := \
+         -Dsun.jvm.hotspot.debugger.useProcDebugger \
+-        -Dsun.jvm.hotspot.debugger.useWindbgDebugger \
+-        -XX:+DisableHotswapAgent, \
++        -Dsun.jvm.hotspot.debugger.useWindbgDebugger, \
+     MACOSX_PRIVILEGED := true, \
+ ))
+ 
+ $(eval $(call SetupBuildLauncher, jps, \
+     MAIN_CLASS := sun.tools.jps.Jps, \
+-    JAVA_ARGS := \
+-        -XX:+DisableHotswapAgent, \
+ ))
+ 
+ $(eval $(call SetupBuildLauncher, jstack, \
+     MAIN_CLASS := sun.tools.jstack.JStack, \
+     JAVA_ARGS := \
+         -Dsun.jvm.hotspot.debugger.useProcDebugger \
+-        -Dsun.jvm.hotspot.debugger.useWindbgDebugger \
+-        -XX:+DisableHotswapAgent, \
++        -Dsun.jvm.hotspot.debugger.useWindbgDebugger, \
+     MACOSX_PRIVILEGED := true, \
+ ))
+ 
+ $(eval $(call SetupBuildLauncher, jstat, \
+     MAIN_CLASS := sun.tools.jstat.Jstat, \
+-    JAVA_ARGS := \
+-        -XX:+DisableHotswapAgent, \
+ ))
+ 
+ $(eval $(call SetupBuildLauncher, jcmd, \
+     MAIN_CLASS := sun.tools.jcmd.JCmd, \
+-    JAVA_ARGS := \
+-        -XX:+DisableHotswapAgent, \
+ ))
+ 
+ # Hook to include the corresponding custom file, if present.
+diff --git a/make/launcher/Launcher-jdk.jdeps.gmk b/make/launcher/Launcher-jdk.jdeps.gmk
+index 5448278dae7..217523c48cc 100644
+--- a/make/launcher/Launcher-jdk.jdeps.gmk
++++ b/make/launcher/Launcher-jdk.jdeps.gmk
+@@ -27,18 +27,15 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, javap, \
+     MAIN_CLASS := com.sun.tools.javap.Main, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+     CFLAGS := -DEXPAND_CLASSPATH_WILDCARDS, \
+ ))
+ 
+ $(eval $(call SetupBuildLauncher, jdeps, \
+     MAIN_CLASS := com.sun.tools.jdeps.Main, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+     CFLAGS := -DEXPAND_CLASSPATH_WILDCARDS, \
+ ))
+ 
+ $(eval $(call SetupBuildLauncher, jdeprscan, \
+     MAIN_CLASS := com.sun.tools.jdeprscan.Main, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+     CFLAGS := -DEXPAND_CLASSPATH_WILDCARDS, \
+ ))
+diff --git a/make/launcher/Launcher-jdk.jdi.gmk b/make/launcher/Launcher-jdk.jdi.gmk
+index 27bd448e3ae..fcce98cf430 100644
+--- a/make/launcher/Launcher-jdk.jdi.gmk
++++ b/make/launcher/Launcher-jdk.jdi.gmk
+@@ -27,5 +27,4 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, jdb, \
+     MAIN_CLASS := com.sun.tools.example.debug.tty.TTY, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+ ))
+diff --git a/make/launcher/Launcher-jdk.jlink.gmk b/make/launcher/Launcher-jdk.jlink.gmk
+index 9e61edeb2c8..df2173996d7 100644
+--- a/make/launcher/Launcher-jdk.jlink.gmk
++++ b/make/launcher/Launcher-jdk.jlink.gmk
+@@ -27,21 +27,18 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, jimage,\
+     MAIN_CLASS := jdk.tools.jimage.Main, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+     CFLAGS := -DENABLE_ARG_FILES, \
+ ))
+ 
+ $(eval $(call SetupBuildLauncher, jlink,\
+     MAIN_CLASS := jdk.tools.jlink.internal.Main, \
+-    JAVA_ARGS :=  --add-modules ALL-DEFAULT \
+-        -XX:+DisableHotswapAgent, \
++    JAVA_ARGS :=  --add-modules ALL-DEFAULT, \
+     CFLAGS := -DENABLE_ARG_FILES \
+         -DEXPAND_CLASSPATH_WILDCARDS, \
+ ))
+ 
+ $(eval $(call SetupBuildLauncher, jmod,\
+     MAIN_CLASS := jdk.tools.jmod.Main, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+     CFLAGS := -DENABLE_ARG_FILES \
+         -DEXPAND_CLASSPATH_WILDCARDS, \
+ ))
+diff --git a/make/launcher/Launcher-jdk.jshell.gmk b/make/launcher/Launcher-jdk.jshell.gmk
+index 7287f8f998a..349eb88e9eb 100644
+--- a/make/launcher/Launcher-jdk.jshell.gmk
++++ b/make/launcher/Launcher-jdk.jshell.gmk
+@@ -27,6 +27,5 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, jshell, \
+     MAIN_CLASS := jdk.internal.jshell.tool.JShellToolProvider, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+     CFLAGS := -DEXPAND_CLASSPATH_WILDCARDS, \
+ ))
+diff --git a/make/launcher/Launcher-jdk.jstatd.gmk b/make/launcher/Launcher-jdk.jstatd.gmk
+index e1657910c67..e9286d63094 100644
+--- a/make/launcher/Launcher-jdk.jstatd.gmk
++++ b/make/launcher/Launcher-jdk.jstatd.gmk
+@@ -27,7 +27,6 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, jstatd, \
+     MAIN_CLASS := sun.tools.jstatd.Jstatd, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+ ))
+ 
+ # Hook to include the corresponding custom file, if present.
+diff --git a/make/launcher/Launcher-jdk.pack.gmk b/make/launcher/Launcher-jdk.pack.gmk
+index 64bbbb7c949..a93fd2a9017 100644
+--- a/make/launcher/Launcher-jdk.pack.gmk
++++ b/make/launcher/Launcher-jdk.pack.gmk
+@@ -28,7 +28,6 @@ include LauncherCommon.gmk
+ $(eval $(call SetupBuildLauncher, pack200, \
+     MAIN_MODULE := java.base, \
+     MAIN_CLASS := com.sun.java.util.jar.pack.Driver, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+ ))
+ 
+ ################################################################################
+diff --git a/make/launcher/Launcher-jdk.rmic.gmk b/make/launcher/Launcher-jdk.rmic.gmk
+index b8a55900b0e..d60c3d9b60b 100644
+--- a/make/launcher/Launcher-jdk.rmic.gmk
++++ b/make/launcher/Launcher-jdk.rmic.gmk
+@@ -27,6 +27,5 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, rmic, \
+     MAIN_CLASS := sun.rmi.rmic.Main, \
+-    JAVA_ARGS := -XX:+DisableHotswapAgent, \
+     CFLAGS := -DEXPAND_CLASSPATH_WILDCARDS, \
+ ))
+diff --git a/make/launcher/Launcher-jdk.scripting.nashorn.shell.gmk b/make/launcher/Launcher-jdk.scripting.nashorn.shell.gmk
+index bd39f8595b2..82311e69fd6 100644
+--- a/make/launcher/Launcher-jdk.scripting.nashorn.shell.gmk
++++ b/make/launcher/Launcher-jdk.scripting.nashorn.shell.gmk
+@@ -27,7 +27,6 @@ include LauncherCommon.gmk
+ 
+ $(eval $(call SetupBuildLauncher, jjs, \
+     MAIN_CLASS := jdk.nashorn.tools.jjs.Main, \
+-    JAVA_ARGS := --add-modules ALL-DEFAULT \
+-        -XX:+DisableHotswapAgent, \
++    JAVA_ARGS := --add-modules ALL-DEFAULT, \
+     CFLAGS := -DENABLE_ARG_FILES, \
+ ))
+diff --git a/src/hotspot/share/runtime/arguments.cpp b/src/hotspot/share/runtime/arguments.cpp
+index c5635bb8537..d7fee6a8c95 100644
+--- a/src/hotspot/share/runtime/arguments.cpp
++++ b/src/hotspot/share/runtime/arguments.cpp
+@@ -4310,11 +4310,17 @@ void Arguments::setup_hotswap_agent() {
+   if (DumpSharedSpaces)
+     return;
+ 
+-  if (!AllowEnhancedClassRedefinition)
++  if (HotswapAgent == NULL || strcmp(HotswapAgent, "disabled") == 0)
+     return;
+ 
++  // Force AllowEnhancedClassRedefinition if HA is enabled
++  AllowEnhancedClassRedefinition = true;
++
++  bool ha_fatjar = strcmp(HotswapAgent, "fatjar") == 0;
++  bool ha_core = strcmp(HotswapAgent, "core") == 0;
++
+   // Set HotswapAgent
+-  if (!DisableHotswapAgent) {
++  if (ha_fatjar || ha_core) {
+ 
+     char ext_path_str[JVM_MAXPATHLEN];
+ 
+@@ -4333,23 +4339,27 @@ void Arguments::setup_hotswap_agent() {
+       }
+     }
+     if (ext_path_length < JVM_MAXPATHLEN - 10) {
+-      jio_snprintf(ext_path_str + ext_path_length, sizeof(ext_path_str) - ext_path_length,
+-                   "%shotswap%shotswap-agent.jar", os::file_separator(), os::file_separator());
+-    }
+-
+-    int fd = ::open(ext_path_str, O_RDONLY);
+-    if (fd >= 0) {
+-      os::close(fd);
+-      size_t length = strlen(ext_path_str) + 1;
+-      char *options = NEW_C_HEAP_ARRAY(char,  length, mtArguments);
+-      jio_snprintf(options, length, "%s", ext_path_str);
+-      add_init_agent("instrument", ext_path_str, false);
+-      jio_fprintf(defaultStream::output_stream(), "Starting HotswapAgent '%s'\n", ext_path_str);
+-    }
+-//    else
+-//    {
+-//      jio_fprintf(defaultStream::error_stream(), "HotswapAgent not found on path:'%s'\n", ext_path_str);
+-//    }
++      if (ha_fatjar) {
++        jio_snprintf(ext_path_str + ext_path_length, sizeof(ext_path_str) - ext_path_length,
++                     "%shotswap%shotswap-agent.jar", os::file_separator(), os::file_separator());
++      } else {
++        jio_snprintf(ext_path_str + ext_path_length, sizeof(ext_path_str) - ext_path_length,
++                     "%shotswap%shotswap-agent-core.jar", os::file_separator(), os::file_separator());
++      }
++      int fd = ::open(ext_path_str, O_RDONLY);
++      if (fd >= 0) {
++        os::close(fd);
++        size_t length = strlen(ext_path_str) + 1;
++        char *options = NEW_C_HEAP_ARRAY(char,  length, mtArguments);
++        jio_snprintf(options, length, "%s", ext_path_str);
++        add_init_agent("instrument", ext_path_str, false);
++        jio_fprintf(defaultStream::output_stream(), "Starting HotswapAgent '%s'\n", ext_path_str);
++      }
++      else
++      {
++        jio_fprintf(defaultStream::error_stream(), "HotswapAgent not found on path:'%s'!\n", ext_path_str);
++      }
++    }
+   }
+ 
+   // TODO: open it only for org.hotswap.agent module
+diff --git a/src/hotspot/share/runtime/flags/jvmFlagConstraintList.cpp b/src/hotspot/share/runtime/flags/jvmFlagConstraintList.cpp
+index 16d8030fd1c..94044c4831c 100644
+--- a/src/hotspot/share/runtime/flags/jvmFlagConstraintList.cpp
++++ b/src/hotspot/share/runtime/flags/jvmFlagConstraintList.cpp
+@@ -199,6 +199,26 @@ public:
+   }
+ };
+ 
++class JVMFlagConstraint_ccstr : public JVMFlagConstraint {
++  JVMFlagConstraintFunc_ccstr _constraint;
++  const ccstr* _ptr;
++
++public:
++  // the "name" argument must be a string literal
++  JVMFlagConstraint_ccstr(const char* name, const ccstr* ptr,
++                                   JVMFlagConstraintFunc_ccstr func,
++                                 ConstraintType type) : JVMFlagConstraint(name, type), _constraint(func), _ptr(ptr) {}
++
++  JVMFlag::Error apply(bool verbose) {
++    ccstr value = *_ptr;
++    return _constraint(value, verbose);
++  }
++
++  JVMFlag::Error apply_ccstr(ccstr value, bool verbose) {
++    return _constraint(value, verbose);
++  }
++};
++
+ // No constraint emitting
+ void emit_constraint_no(...)                                                      { /* NOP */ }
+ 
+@@ -239,6 +259,9 @@ void emit_constraint_size_t(const char* name, const size_t* ptr, JVMFlagConstrai
+ void emit_constraint_double(const char* name, const double* ptr, JVMFlagConstraintFunc_double func, JVMFlagConstraint::ConstraintType type) {
+   JVMFlagConstraintList::add(new JVMFlagConstraint_double(name, ptr, func, type));
+ }
++void emit_constraint_ccstr(const char* name, ccstr* ptr, JVMFlagConstraintFunc_ccstr func, JVMFlagConstraint::ConstraintType type) {
++  JVMFlagConstraintList::add(new JVMFlagConstraint_ccstr(name, ptr, func, type));
++}
+ 
+ // Generate code to call emit_constraint_xxx function
+ #define EMIT_CONSTRAINT_PRODUCT_FLAG(type, name, value, doc)      ); emit_constraint_##type(#name,&name
+diff --git a/src/hotspot/share/runtime/flags/jvmFlagConstraintList.hpp b/src/hotspot/share/runtime/flags/jvmFlagConstraintList.hpp
+index 9c27f1db955..b644f7b817a 100644
+--- a/src/hotspot/share/runtime/flags/jvmFlagConstraintList.hpp
++++ b/src/hotspot/share/runtime/flags/jvmFlagConstraintList.hpp
+@@ -47,6 +47,7 @@ typedef JVMFlag::Error (*JVMFlagConstraintFunc_uintx)(uintx value, bool verbose)
+ typedef JVMFlag::Error (*JVMFlagConstraintFunc_uint64_t)(uint64_t value, bool verbose);
+ typedef JVMFlag::Error (*JVMFlagConstraintFunc_size_t)(size_t value, bool verbose);
+ typedef JVMFlag::Error (*JVMFlagConstraintFunc_double)(double value, bool verbose);
++typedef JVMFlag::Error (*JVMFlagConstraintFunc_ccstr)(ccstr value, bool verbose);
+ 
+ class JVMFlagConstraint : public CHeapObj<mtArguments> {
+ public:
+diff --git a/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp b/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp
+index 6559d4252f0..21afac72a2e 100644
+--- a/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp
++++ b/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp
+@@ -140,3 +140,13 @@ JVMFlag::Error ThreadLocalHandshakesConstraintFunc(bool value, bool verbose) {
+   }
+   return JVMFlag::SUCCESS;
+ }
++
++JVMFlag::Error HotswapAgentConstraintFunc(char const* value, bool verbose) {
++  if (value != NULL) {
++    if (strcmp("disabled", value) != 0 && strcmp("fatjar", value) != 0 && strcmp("core", value) != 0 && strcmp("external", value) != 0) {
++      JVMFlag::printError(verbose, "HotswapAgent(%s) must be one of disabled,fatjar,core or external.\n", value);
++      return JVMFlag::VIOLATES_CONSTRAINT;
++    }
++  }
++  return JVMFlag::SUCCESS;
++}
+diff --git a/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.hpp b/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.hpp
+index 8763b83fd37..c9ed15a89e1 100644
+--- a/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.hpp
++++ b/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.hpp
+@@ -46,5 +46,6 @@ JVMFlag::Error PerfDataSamplingIntervalFunc(intx value, bool verbose);
+ 
+ JVMFlag::Error ThreadLocalHandshakesConstraintFunc(bool value, bool verbose);
+ 
++JVMFlag::Error HotswapAgentConstraintFunc(char const* value, bool verbose);
+ 
+ #endif /* SHARE_VM_RUNTIME_JVMFLAGCONSTRAINTSRUNTIME_HPP */
+diff --git a/src/hotspot/share/runtime/globals.hpp b/src/hotspot/share/runtime/globals.hpp
+index d4453de1ff5..8c41f0af888 100644
+--- a/src/hotspot/share/runtime/globals.hpp
++++ b/src/hotspot/share/runtime/globals.hpp
+@@ -2686,8 +2686,16 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
+              "Allow enhanced class redefinition beyond swapping method "    \
+              "bodies")                                                      \
+                                                                             \
+-  product(bool, DisableHotswapAgent, DISABLED_HOTSWAP_AGENT,                \
+-             "Disable integrated Hotswap Agent (HotswapVM only)")
++  product(ccstr, HotswapAgent, "disabled",                                  \
++          "Specify HotswapAgent image to be used."                          \
++          "disabled: hotswap agent is disabled (default)"                   \
++          "fatjar: full HA. Use integrated hotswap-agent.jar"               \
++          "core: core HA. Use integrated hotswap-agent-core.jar"            \
++          "external: external HA. use external HA, open required JDK "      \
++          "modules.")                                                       \
++          constraint(HotswapAgentConstraintFunc, AfterErgo)
++
++
+ #define VM_FLAGS(develop,                                                   \
+                  develop_pd,                                                \
+                  product,                                                   \
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0026-Support-for-redefinition-of-Well-Known-classses-java.patch

@@ -0,0 +1,333 @@
+From f279999a412cc87c6f4a7eed7e1e2ad34655b4fe Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
+Date: Mon, 8 Mar 2021 02:22:54 +0700
+Subject: [PATCH 26/28] Support for redefinition of Well Known classses
+ (java.*,jdk.*, sun.*)
+
+---
+ src/hotspot/share/ci/ciKlass.hpp              |  1 +
+ src/hotspot/share/ci/ciObjectFactory.cpp      | 34 +++++++++++
+ src/hotspot/share/ci/ciObjectFactory.hpp      |  6 ++
+ .../share/classfile/systemDictionary.cpp      | 10 +++
+ .../share/classfile/systemDictionary.hpp      |  2 +
+ src/hotspot/share/classfile/vmSymbols.hpp     |  2 +
+ src/hotspot/share/compiler/compileBroker.cpp  | 11 ++++
+ src/hotspot/share/memory/universe.cpp         |  8 +++
+ src/hotspot/share/memory/universe.hpp         |  3 +
+ .../prims/jvmtiEnhancedRedefineClasses.cpp    | 61 ++++++++++++++++++-
+ .../prims/jvmtiEnhancedRedefineClasses.hpp    |  2 +
+ 11 files changed, 139 insertions(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/ci/ciKlass.hpp b/src/hotspot/share/ci/ciKlass.hpp
+index 896f489453a..c610c365aba 100644
+--- a/src/hotspot/share/ci/ciKlass.hpp
++++ b/src/hotspot/share/ci/ciKlass.hpp
+@@ -129,6 +129,7 @@ public:
+   void print_name_on(outputStream* st);
+ 
+   const char* external_name() const;
++  Klass* new_version() { return get_Klass()->new_version(); }
+ };
+ 
+ #endif // SHARE_VM_CI_CIKLASS_HPP
+diff --git a/src/hotspot/share/ci/ciObjectFactory.cpp b/src/hotspot/share/ci/ciObjectFactory.cpp
+index 66bbe835e7b..107c16fa5cf 100644
+--- a/src/hotspot/share/ci/ciObjectFactory.cpp
++++ b/src/hotspot/share/ci/ciObjectFactory.cpp
+@@ -70,7 +70,10 @@ GrowableArray<ciMetadata*>* ciObjectFactory::_shared_ci_metadata = NULL;
+ ciSymbol*                 ciObjectFactory::_shared_ci_symbols[vmSymbols::SID_LIMIT];
+ int                       ciObjectFactory::_shared_ident_limit = 0;
+ volatile bool             ciObjectFactory::_initialized = false;
++volatile bool             ciObjectFactory::_reinitialize_wk_klasses = false;
+ 
++// TODO: review...
++Arena* ciObjectFactory::_initial_arena = NULL;
+ 
+ // ------------------------------------------------------------------
+ // ciObjectFactory::ciObjectFactory
+@@ -112,6 +115,7 @@ void ciObjectFactory::initialize() {
+   // compiler thread that initializes the initial ciObjectFactory which
+   // creates the shared ciObjects that all later ciObjectFactories use.
+   Arena* arena = new (mtCompiler) Arena(mtCompiler);
++  ciObjectFactory::_initial_arena = arena;
+   ciEnv initial(arena);
+   ciEnv* env = ciEnv::current();
+   env->_factory->init_shared_objects();
+@@ -120,6 +124,36 @@ void ciObjectFactory::initialize() {
+ 
+ }
+ 
++// (DCEVM) wk classes could be modified
++void ciObjectFactory::reinitialize_wk_classes() {
++  ASSERT_IN_VM;
++  JavaThread* thread = JavaThread::current();
++  HandleMark  handle_mark(thread);
++
++  // This Arena is long lived and exists in the resource mark of the
++  // compiler thread that initializes the initial ciObjectFactory which
++  // creates the shared ciObjects that all later ciObjectFactories use.
++  // Arena* arena = new (mtCompiler) Arena(mtCompiler);
++  ciEnv initial(ciObjectFactory::_initial_arena);
++  ciEnv* env = ciEnv::current();
++  env->_factory->do_reinitialize_wk_classes();
++  _reinitialize_wk_klasses = false;
++}
++
++// (DCEVM) wk classes could be modified
++void ciObjectFactory::do_reinitialize_wk_classes() {
++#define WK_KLASS_DEFN(name, ignore_s, opt)   \
++  if (ciEnv::_##name != NULL && ciEnv::_##name->new_version() != NULL) { \
++    int old_ident = ciEnv::_##name->ident(); \
++    ciEnv::_##name = get_metadata(SystemDictionary::name())->as_instance_klass(); \
++    ciEnv::_##name->compute_nonstatic_fields(); \
++    ciEnv::_##name->set_ident(old_ident); \
++  }
++
++  WK_KLASSES_DO(WK_KLASS_DEFN)
++#undef WK_KLASS_DEFN
++}
++
+ void ciObjectFactory::init_shared_objects() {
+ 
+   _next_ident = 1;  // start numbering CI objects at 1
+diff --git a/src/hotspot/share/ci/ciObjectFactory.hpp b/src/hotspot/share/ci/ciObjectFactory.hpp
+index 3e9d48c4cdc..79059f6e2e8 100644
+--- a/src/hotspot/share/ci/ciObjectFactory.hpp
++++ b/src/hotspot/share/ci/ciObjectFactory.hpp
+@@ -41,9 +41,11 @@ class ciObjectFactory : public ResourceObj {
+ 
+ private:
+   static volatile bool _initialized;
++  static volatile bool _reinitialize_wk_klasses;
+   static GrowableArray<ciMetadata*>* _shared_ci_metadata;
+   static ciSymbol*                 _shared_ci_symbols[];
+   static int                       _shared_ident_limit;
++  static Arena*                    _initial_arena;
+ 
+   Arena*                    _arena;
+   GrowableArray<ciMetadata*>*        _ci_metadata;
+@@ -89,10 +91,14 @@ private:
+   ciInstance* get_unloaded_instance(ciInstanceKlass* klass);
+ 
+   static int compare_cimetadata(ciMetadata** a, ciMetadata** b);
++  void do_reinitialize_wk_classes();
+ public:
+   static bool is_initialized() { return _initialized; }
++  static bool is_reinitialize_wk_klasses() { return _reinitialize_wk_klasses; }
++  static void set_reinitialize_wk_klasses() { _reinitialize_wk_klasses = true; }
+ 
+   static void initialize();
++  static void reinitialize_wk_classes();
+   void init_shared_objects();
+   void remove_symbols();
+ 
+diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
+index 789b5fb1e6d..25e577a664c 100644
+--- a/src/hotspot/share/classfile/systemDictionary.cpp
++++ b/src/hotspot/share/classfile/systemDictionary.cpp
+@@ -1983,6 +1983,16 @@ bool SystemDictionary::is_well_known_klass(Symbol* class_name) {
+ }
+ #endif
+ 
++bool SystemDictionary::update_well_known_klass(InstanceKlass* old_klass, InstanceKlass* new_klass) {
++  for (int id = FIRST_WKID; id < WKID_LIMIT; id++) {
++    if (well_known_klass((WKID) id) == old_klass) {
++      *well_known_klass_addr((WKID)id) = new_klass;
++      return true;
++    }
++  }
++  return false;
++}
++
+ bool SystemDictionary::resolve_wk_klass(WKID id, int init_opt, TRAPS) {
+   assert(id >= (int)FIRST_WKID && id < (int)WKID_LIMIT, "oob");
+   int  info = wk_init_info[id - FIRST_WKID];
+diff --git a/src/hotspot/share/classfile/systemDictionary.hpp b/src/hotspot/share/classfile/systemDictionary.hpp
+index 1dbbffa197f..4220978a025 100644
+--- a/src/hotspot/share/classfile/systemDictionary.hpp
++++ b/src/hotspot/share/classfile/systemDictionary.hpp
+@@ -467,6 +467,8 @@ public:
+   static bool is_well_known_klass(Symbol* class_name);
+ #endif
+ 
++  static bool update_well_known_klass(InstanceKlass* new_klass, InstanceKlass* old_klass);
++
+   // Enhanced class redefinition
+   static void remove_from_hierarchy(InstanceKlass* k);
+   static void update_constraints_after_redefinition();
+diff --git a/src/hotspot/share/classfile/vmSymbols.hpp b/src/hotspot/share/classfile/vmSymbols.hpp
+index 2409af9b06e..daaa8d12375 100644
+--- a/src/hotspot/share/classfile/vmSymbols.hpp
++++ b/src/hotspot/share/classfile/vmSymbols.hpp
+@@ -355,6 +355,8 @@
+   template(exit_method_name,                          "exit")                                     \
+   template(add_method_name,                           "add")                                      \
+   template(remove_method_name,                        "remove")                                   \
++  template(registerNatives_method_name,               "registerNatives")                          \
++  template(initIDs_method_name,                       "initIDs")                                  \
+   template(parent_name,                               "parent")                                   \
+   template(threads_name,                              "threads")                                  \
+   template(groups_name,                               "groups")                                   \
+diff --git a/src/hotspot/share/compiler/compileBroker.cpp b/src/hotspot/share/compiler/compileBroker.cpp
+index 765b8ffa4dc..25271feb41f 100644
+--- a/src/hotspot/share/compiler/compileBroker.cpp
++++ b/src/hotspot/share/compiler/compileBroker.cpp
+@@ -1877,6 +1877,17 @@ void CompileBroker::compiler_thread_loop() {
+       if (method()->number_of_breakpoints() == 0) {
+         // Compile the method.
+         if ((UseCompiler || AlwaysCompileLoopMethods) && CompileBroker::should_compile_new_jobs()) {
++
++          // TODO: review usage of CompileThread_lock (DCEVM)
++          if (ciObjectFactory::is_reinitialize_wk_klasses())
++          {
++            ASSERT_IN_VM;
++            MutexLocker only_one (CompileThread_lock, thread);
++            if (ciObjectFactory::is_reinitialize_wk_klasses()) {
++              ciObjectFactory::reinitialize_wk_classes();
++            }
++          }
++
+           invoke_compiler_on_method(task);
+           thread->start_idle_timer();
+         } else {
+diff --git a/src/hotspot/share/memory/universe.cpp b/src/hotspot/share/memory/universe.cpp
+index 3dc4cc1323c..6b88271b5ef 100644
+--- a/src/hotspot/share/memory/universe.cpp
++++ b/src/hotspot/share/memory/universe.cpp
+@@ -1030,6 +1030,14 @@ void Universe::initialize_known_methods(TRAPS) {
+                           vmSymbols::doStackWalk_signature(), false, CHECK);
+ }
+ 
++void Universe::reinitialize_loader_addClass_method(TRAPS) {
++  // Set up method for registering loaded classes in class loader vector
++  initialize_known_method(_loader_addClass_cache,
++                          SystemDictionary::ClassLoader_klass(),
++                          "addClass",
++                          vmSymbols::class_void_signature(), false, CHECK);
++}
++
+ void universe2_init() {
+   EXCEPTION_MARK;
+   Universe::genesis(CATCH);
+diff --git a/src/hotspot/share/memory/universe.hpp b/src/hotspot/share/memory/universe.hpp
+index 742dada0e8f..d1af82b5fa7 100644
+--- a/src/hotspot/share/memory/universe.hpp
++++ b/src/hotspot/share/memory/universe.hpp
+@@ -349,6 +349,9 @@ class Universe: AllStatic {
+   // Function to initialize these
+   static void initialize_known_methods(TRAPS);
+ 
++  // Enhanced class redefinition
++  static void reinitialize_loader_addClass_method(TRAPS);
++
+   static oop          null_ptr_exception_instance()   { return _null_ptr_exception_instance;   }
+   static oop          arithmetic_exception_instance() { return _arithmetic_exception_instance; }
+   static oop          virtual_machine_error_instance() { return _virtual_machine_error_instance; }
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+index f4bde7504c8..80d4e68ccae 100644
+--- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+@@ -497,6 +497,16 @@ void VM_EnhancedRedefineClasses::doit() {
+     redefine_single_class(_new_classes->at(i), thread);
+   }
+ 
++  // Update possible redefinition of well-known classes (like ClassLoader)
++  for (int i = 0; i < _new_classes->length(); i++) {
++    InstanceKlass* cur = _new_classes->at(i);
++    if (cur->old_version() != NULL && SystemDictionary::update_well_known_klass(InstanceKlass::cast(cur->old_version()), cur))
++    {
++      log_trace(redefine, class, obsolete, metadata)("Well known class updated %s", cur->external_name());
++      ciObjectFactory::set_reinitialize_wk_klasses();
++    }
++  }
++
+   // Deoptimize all compiled code that depends on this class (do only once, because it clears whole cache)
+   // if (_max_redefinition_flags > Klass::ModifyClass) {
+     flush_dependent_code(NULL, thread);
+@@ -672,12 +682,56 @@ void VM_EnhancedRedefineClasses::doit() {
+   _timer_vm_op_doit.stop();
+ }
+ 
++void VM_EnhancedRedefineClasses::reinitializeJDKClasses() {
++  if (!_new_classes->is_empty()) {
++    ResourceMark rm(Thread::current());
++
++    for (int i = 0; i < _new_classes->length(); i++) {
++      InstanceKlass* cur = _new_classes->at(i);
++
++      if (cur->name()->starts_with("java/") || cur->name()->starts_with("jdk/") || cur->name()->starts_with("sun/")) {
++
++        if (cur == SystemDictionary::ClassLoader_klass()) {
++          // ClassLoader.addClass method is cached in Universe, we must redefine
++          Universe::reinitialize_loader_addClass_method(Thread::current());
++          log_trace(redefine, class, obsolete, metadata)("Reinitialize ClassLoade addClass method cache.");
++        }
++
++        // naive assumptions that only JDK classes has native static "registerNative" and "initIDs" methods
++        int end;
++        Symbol* signature = vmSymbols::registerNatives_method_name();
++        int midx = cur->find_method_by_name(signature, &end);
++        if (midx == -1) {
++          signature = vmSymbols::initIDs_method_name();
++          midx = cur->find_method_by_name(signature, &end);
++        }
++        Method* m = NULL;
++        if (midx != -1) {
++          m = cur->methods()->at(midx);
++        }
++        if (m != NULL && m->is_static() && m->is_native()) {
++          // call static registerNative if present
++          JavaValue result(T_VOID);
++          JavaCalls::call_static(&result,
++                                  cur,
++                                  signature,
++                                  vmSymbols::void_method_signature(),
++                                  Thread::current());
++          log_trace(redefine, class, obsolete, metadata)("Reregister natives of JDK class %s", cur->external_name());
++        }
++      }
++    }
++  }
++}
++
+ // Cleanup - runs in JVM thread
+ //  - free used memory
+ //  - end GC
+ void VM_EnhancedRedefineClasses::doit_epilogue() {
+   VM_GC_Operation::doit_epilogue();
+ 
++  reinitializeJDKClasses();
++
+   if (_new_classes != NULL) {
+     delete _new_classes;
+   }
+@@ -1589,7 +1643,12 @@ void VM_EnhancedRedefineClasses::check_methods_and_mark_as_obsolete() {
+ 
+       // obsolete methods need a unique idnum so they become new entries in
+       // the jmethodID cache in InstanceKlass
+-      assert(old_method->method_idnum() == new_method->method_idnum(), "must match");
++      if (old_method->method_idnum() != new_method->method_idnum()) {
++        log_error(redefine, class, normalize)
++          ("Method not matched: %d != %d  old: %s = new: %s",  old_method->method_idnum(), new_method->method_idnum(),
++              old_method->name_and_sig_as_C_string(), new_method->name_and_sig_as_C_string());
++        // assert(old_method->method_idnum() == new_method->method_idnum(), "must match");
++      }
+ //      u2 num = InstanceKlass::cast(_the_class_oop)->next_method_idnum();
+ //      if (num != ConstMethod::UNSET_IDNUM) {
+ //        old_method->set_method_idnum(num);
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
+index 4c0412d343d..79ea17b0d47 100644
+--- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
++++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
+@@ -141,6 +141,8 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
+ 
+   void flush_dependent_code(InstanceKlass* k_h, TRAPS);
+ 
++  void reinitializeJDKClasses();
++
+   static void check_class(InstanceKlass* k_oop, TRAPS);
+ 
+   static void dump_methods();
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0027-JBR-3458-Skip-dynamic-proxy-classes-based-on-com.sun.patch

@@ -0,0 +1,27 @@
+From 416d06e7e5f3517e9303b0b5a705888e4db740bd Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Fri, 19 Mar 2021 19:13:38 +0100
+Subject: [PATCH 27/28] JBR-3458: Skip dynamic proxy classes based on
+ com.sun.proxy
+
+---
+ src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+index 80d4e68ccae..10c375d601c 100644
+--- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+@@ -689,7 +689,8 @@ void VM_EnhancedRedefineClasses::reinitializeJDKClasses() {
+     for (int i = 0; i < _new_classes->length(); i++) {
+       InstanceKlass* cur = _new_classes->at(i);
+ 
+-      if (cur->name()->starts_with("java/") || cur->name()->starts_with("jdk/") || cur->name()->starts_with("sun/")) {
++      if ((cur->name()->starts_with("java/") || cur->name()->starts_with("jdk/") || cur->name()->starts_with("sun/"))
++          && cur->name()->index_of_at(0, "$$") == -1) { // skip dynamic proxies
+ 
+         if (cur == SystemDictionary::ClassLoader_klass()) {
+           // ClassLoader.addClass method is cached in Universe, we must redefine
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0028-JBR-3459-Fix-race-condition-in-ClassLoaderDataGraph-.patch

@@ -0,0 +1,79 @@
+From 88e0325768b074607f5f9edfbb7f8e4a76159942 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Sat, 20 Mar 2021 20:51:08 +0100
+Subject: [PATCH 28/28] JBR-3459: Fix race condition in
+ ClassLoaderDataGraph::classes_do
+
+InstanceKlass in ClassLoaderData can be uninitialized when
+ClassLoaderDataGraph::classes_do is called. Using
+ClassLoaderDataGraph::dictionary_classes_do is safe but problem is still
+persisting with anonymous classes.
+---
+ src/hotspot/share/classfile/classLoaderData.cpp     | 10 ++++++++++
+ src/hotspot/share/classfile/classLoaderData.hpp     |  4 ++++
+ .../share/prims/jvmtiEnhancedRedefineClasses.cpp    | 13 +++++++++++--
+ 3 files changed, 25 insertions(+), 2 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/classLoaderData.cpp b/src/hotspot/share/classfile/classLoaderData.cpp
+index 4e06b09e7d5..f319cca3b2b 100644
+--- a/src/hotspot/share/classfile/classLoaderData.cpp
++++ b/src/hotspot/share/classfile/classLoaderData.cpp
+@@ -1166,6 +1166,16 @@ void ClassLoaderDataGraph::classes_do(KlassClosure* klass_closure) {
+   }
+ }
+ 
++void ClassLoaderDataGraph::anonymous_classes_do(KlassClosure* klass_closure) {
++  Thread* thread = Thread::current();
++  for (ClassLoaderData* cld = _head; cld != NULL; cld = cld->next()) {
++    if (cld->is_anonymous()) {
++      Handle holder(thread, cld->holder_phantom());
++      cld->classes_do(klass_closure);
++    }
++  }
++}
++
+ void ClassLoaderDataGraph::classes_do(void f(Klass* const)) {
+   Thread* thread = Thread::current();
+   for (ClassLoaderData* cld = _head; cld != NULL; cld = cld->next()) {
+diff --git a/src/hotspot/share/classfile/classLoaderData.hpp b/src/hotspot/share/classfile/classLoaderData.hpp
+index 16711dca237..b10fafa01e5 100644
+--- a/src/hotspot/share/classfile/classLoaderData.hpp
++++ b/src/hotspot/share/classfile/classLoaderData.hpp
+@@ -108,6 +108,10 @@ class ClassLoaderDataGraph : public AllStatic {
+   // for redefinition.  These classes are removed during the next class unloading.
+   // Walking the ClassLoaderDataGraph also includes anonymous classes.
+   static void classes_do(KlassClosure* klass_closure);
++
++  // Enhanced class redefinition
++  static void anonymous_classes_do(KlassClosure* klass_closure);
++
+   static void classes_do(void f(Klass* const));
+   static void methods_do(void f(Method*));
+   static void modules_do(void f(ModuleEntry*));
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+index 10c375d601c..5de5f78aea0 100644
+--- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+@@ -2130,8 +2130,17 @@ jvmtiError VM_EnhancedRedefineClasses::find_sorted_affected_classes(TRAPS) {
+   AffectedKlassClosure closure(_affected_klasses);
+   // Updated in j10, from original SystemDictionary::classes_do
+ 
+-  ClassLoaderDataGraph::classes_do(&closure);
+-  //ClassLoaderDataGraph::dictionary_classes_do(&closure);
++  // 0. we can't use ClassLoaderDataGraph::classes_do since classes can be uninitialized in cld,
++  // fully initialized class is in system dictionary
++  // ClassLoaderDataGraph::classes_do(&closure);
++
++  // 1. Scan over dictionaries
++  ClassLoaderDataGraph::dictionary_classes_do(&closure);
++
++  // 2. Anonymous class is not in dictionary, we have to iterate anonymous cld directly, but there is race cond...
++  // TODO: review ... anonymous class is added to cld before InstanceKlass initialization,
++  //                  find out how to check if the InstanceKlass is initialized
++  ClassLoaderDataGraph::anonymous_classes_do(&closure);
+ 
+   log_trace(redefine, class, load)("%d classes affected", _affected_klasses->length());
+ 
+-- 
+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

@@ -532,6 +532,7 @@ define SetupRunGtestTestBody
 	    $$(FIXPATH) $$(TEST_IMAGE_DIR)/hotspot/gtest/$$($1_VARIANT)/gtestLauncher \
 	        -jdk $(JDK_IMAGE_DIR) $$($1_GTEST_FILTER) \
 	        --gtest_output=xml:$$($1_TEST_RESULTS_DIR)/gtest.xml \
+	        --gtest_catch_exceptions=0 \
 	        $$($1_GTEST_REPEAT) $$(GTEST_OPTIONS) $$(GTEST_VM_OPTIONS) \
 	        $$(GTEST_JAVA_OPTIONS) $$($1_AOT_OPTIONS) \
 	        > >($(TEE) $$($1_TEST_RESULTS_DIR)/gtest.txt) \
@@ -658,10 +659,14 @@ define SetupRunJtregTestBody
     $1_JTREG_LAUNCHER_OPTIONS += -Xmx$$($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 +745,8 @@ 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
 

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"
@@ -711,9 +715,21 @@ 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
 
@@ -209,13 +209,13 @@ 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-other.m4

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2021, 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
@@ -107,6 +107,16 @@ AC_DEFUN([FLAGS_SETUP_ASFLAGS],
 [
   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
     JVM_BASIC_ASFLAGS="-x assembler-with-cpp -mno-omit-leaf-frame-pointer -mstack-alignment=16"
+
+    # Fix linker warning.
+    # Code taken from make/autoconf/flags-cflags.m4 and adapted.
+    JVM_BASIC_ASFLAGS+="-DMAC_OS_X_VERSION_MIN_REQUIRED=$MACOSX_VERSION_MIN_NODOTS \
+        -mmacosx-version-min=$MACOSX_VERSION_MIN"
+
+    if test -n "$MACOSX_VERSION_MAX"; then
+        JVM_BASIC_ASFLAGS+="$OS_CFLAGS \
+            -DMAC_OS_X_VERSION_MAX_ALLOWED=$MACOSX_VERSION_MAX_NODOTS"
+    fi
   fi
 ])
 

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)
@@ -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 +360,19 @@ 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
+      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"
+  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 +384,7 @@ 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
@@ -494,7 +515,7 @@ 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/jdk-options.m4

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2021, 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
@@ -291,11 +291,7 @@ AC_DEFUN_ONCE([JDKOPT_SETUP_DEBUG_SYMBOLS],
       [AS_HELP_STRING([--with-native-debug-symbols],
       [set the native debug symbol configuration (none, internal, external, zipped) @<:@varying@:>@])],
       [
-        if test "x$OPENJDK_TARGET_OS" = xaix; then
-          if test "x$withval" = xexternal || test "x$withval" = xzipped; then
-            AC_MSG_ERROR([AIX only supports the parameters 'none' and 'internal' for --with-native-debug-symbols])
-          fi
-        elif test "x$OPENJDK_TARGET_OS" = xwindows; then
+        if test "x$OPENJDK_TARGET_OS" = xwindows; then
           if test "x$withval" = xinternal; then
             AC_MSG_ERROR([Windows does not support the parameter 'internal' for --with-native-debug-symbols])
           fi
@@ -305,12 +301,7 @@ AC_DEFUN_ONCE([JDKOPT_SETUP_DEBUG_SYMBOLS],
         if test "x$STATIC_BUILD" = xtrue; then
           with_native_debug_symbols="none"
         else
-          if test "x$OPENJDK_TARGET_OS" = xaix; then
-            # AIX doesn't support 'external' so use 'internal' as default
-            with_native_debug_symbols="internal"
-          else
-            with_native_debug_symbols="external"
-          fi
+          with_native_debug_symbols="external"
         fi
       ])
   AC_MSG_RESULT([$with_native_debug_symbols])

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/lib-freetype.m4

@@ -173,6 +173,16 @@ AC_DEFUN_ONCE([LIB_SETUP_FREETYPE],
         FREETYPE_BASE_DIR="$SYSROOT/usr"
         LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location])
 
+        if test "x$FOUND_FREETYPE" != "xyes" ; then
+          LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include],
+              [$FREETYPE_BASE_DIR/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI], [well-known location])
+        fi
+
+        if test "x$FOUND_FREETYPE" != "xyes" ; then
+          LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include],
+              [$FREETYPE_BASE_DIR/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI], [well-known location])
+        fi
+
         if (test "x$FOUND_FREETYPE" != "xyes"); then
           FREETYPE_BASE_DIR="$SYSROOT/usr/X11"
           LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location])

make/autoconf/lib-x11.m4

@@ -68,6 +68,10 @@ AC_DEFUN_ONCE([LIB_SETUP_X11],
             x_libraries="$SYSROOT/usr/lib64"
           elif test -f "$SYSROOT/usr/lib/libX11.so"; then
             x_libraries="$SYSROOT/usr/lib"
+          elif test -f "$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libX11.so"; then
+            x_libraries="$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libX11.so"
+          elif test -f "$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libX11.so"; then
+            x_libraries="$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libX11.so"
           fi
         fi
       fi

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
@@ -196,6 +209,33 @@ AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_OS],
   esac
 ])
 
+# Support macro for PLATFORM_EXTRACT_TARGET_AND_BUILD.
+# Converts autoconf style OS name to OpenJDK style, into
+# VAR_ABI.
+AC_DEFUN([PLATFORM_EXTRACT_VARS_FROM_ABI],
+[
+  case "$1" in
+    *linux*-musl)
+      VAR_ABI=musl
+      ;;
+    *linux*-gnu)
+      VAR_ABI=gnu
+      ;;
+    *linux*-gnueabi)
+      VAR_ABI=gnueabi
+      ;;
+    *linux*-gnueabihf)
+      VAR_ABI=gnueabihf
+      ;;
+    *linux*-gnuabi64)
+      VAR_ABI=gnuabi64
+      ;;
+    *)
+      VAR_ABI=default
+      ;;
+  esac
+])
+
 # Expects $host_os $host_cpu $build_os and $build_cpu
 # and $with_target_bits to have been setup!
 #
@@ -215,7 +255,8 @@ 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, $build_os)
+  PLATFORM_EXTRACT_VARS_FROM_ABI($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
@@ -232,6 +273,8 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
   OPENJDK_BUILD_CPU_ARCH="$VAR_CPU_ARCH"
   OPENJDK_BUILD_CPU_BITS="$VAR_CPU_BITS"
   OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"
+  OPENJDK_BUILD_CPU_AUTOCONF="$build_cpu"
+  OPENJDK_BUILD_ABI="$VAR_ABI"
   AC_SUBST(OPENJDK_BUILD_OS)
   AC_SUBST(OPENJDK_BUILD_OS_TYPE)
   AC_SUBST(OPENJDK_BUILD_OS_ENV)
@@ -239,13 +282,16 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
   AC_SUBST(OPENJDK_BUILD_CPU_ARCH)
   AC_SUBST(OPENJDK_BUILD_CPU_BITS)
   AC_SUBST(OPENJDK_BUILD_CPU_ENDIAN)
+  AC_SUBST(OPENJDK_BUILD_CPU_AUTOCONF)
+  AC_SUBST(OPENJDK_BUILD_ABI)
 
   AC_MSG_CHECKING([openjdk-build os-cpu])
   AC_MSG_RESULT([$OPENJDK_BUILD_OS-$OPENJDK_BUILD_CPU])
 
   # 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, $host_os)
+  PLATFORM_EXTRACT_VARS_FROM_ABI($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
@@ -262,7 +308,9 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
   OPENJDK_TARGET_CPU_ARCH="$VAR_CPU_ARCH"
   OPENJDK_TARGET_CPU_BITS="$VAR_CPU_BITS"
   OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"
+  OPENJDK_TARGET_CPU_AUTOCONF="$host_cpu"
   OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+  OPENJDK_TARGET_ABI="$VAR_ABI"
 
   AC_SUBST(OPENJDK_TARGET_OS)
   AC_SUBST(OPENJDK_TARGET_OS_TYPE)
@@ -272,6 +320,8 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
   AC_SUBST(OPENJDK_TARGET_CPU_ARCH)
   AC_SUBST(OPENJDK_TARGET_CPU_BITS)
   AC_SUBST(OPENJDK_TARGET_CPU_ENDIAN)
+  AC_SUBST(OPENJDK_TARGET_CPU_AUTOCONF)
+  AC_SUBST(OPENJDK_TARGET_ABI)
 
   AC_MSG_CHECKING([openjdk-target os-cpu])
   AC_MSG_RESULT([$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU])

make/autoconf/spec.gmk.in

@@ -382,7 +382,7 @@ GCOV_ENABLED=@GCOV_ENABLED@
 export ASAN_ENABLED:=@ASAN_ENABLED@
 export DEVKIT_LIB_DIR:=@DEVKIT_LIB_DIR@
 ifeq ($(ASAN_ENABLED), yes)
-  export ASAN_OPTIONS="handle_segv=0 detect_leaks=0"
+  export ASAN_OPTIONS=handle_segv=0 detect_leaks=0
   ifneq ($(DEVKIT_LIB_DIR),)
     export LD_LIBRARY_PATH:=$(LD_LIBRARY_PATH):$(DEVKIT_LIB_DIR)
   endif
@@ -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

@@ -948,9 +948,14 @@ AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS],
     # 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)

make/autoconf/toolchain_windows.m4

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 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
@@ -87,6 +87,7 @@ VS_SDK_INSTALLDIR_2017=
 VS_VS_PLATFORM_NAME_2017="v141"
 VS_SDK_PLATFORM_NAME_2017=
 VS_SUPPORTED_2017=true
+VS_TOOLSET_SUPPORTED_2017=true
 
 ################################################################################
 
@@ -98,7 +99,7 @@ AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT],
     METHOD="$3"
 
     BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(VS_BASE)
-    # In VS 2017, the default installation is in a subdir named after the edition.
+    # In VS 2017 and VS 2019, the default installation is in a subdir named after the edition.
     # Find the first one present and use that.
     if test "x$VS_EDITIONS" != x; then
       for edition in $VS_EDITIONS; do
@@ -177,6 +178,15 @@ AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT],
 # build environment and assigns it to VS_ENV_CMD
 AC_DEFUN([TOOLCHAIN_FIND_VISUAL_STUDIO_BAT_FILE],
 [
+  # VS2017 provides the option to install previous minor versions of the MSVC
+  # toolsets. It is not possible to directly download earlier minor versions of
+  # VS2017 and in order to build with a previous minor compiler toolset version,
+  # it is now possible to compile with earlier minor versions by passing
+  # -vcvars_ver=<toolset_version> argument to vcvarsall.bat.
+  AC_ARG_WITH(msvc-toolset-version, [AS_HELP_STRING([--with-msvc-toolset-version],
+      [specific MSVC toolset version to use, passed as -vcvars_ver argument to
+       pass to vcvarsall.bat (Windows only)])])
+
   VS_VERSION="$1"
   eval VS_COMNTOOLS_VAR="\${VS_ENVVAR_${VS_VERSION}}"
   eval VS_COMNTOOLS="\$${VS_COMNTOOLS_VAR}"
@@ -184,6 +194,7 @@ AC_DEFUN([TOOLCHAIN_FIND_VISUAL_STUDIO_BAT_FILE],
   eval VS_EDITIONS="\${VS_EDITIONS_${VS_VERSION}}"
   eval SDK_INSTALL_DIR="\${VS_SDK_INSTALLDIR_${VS_VERSION}}"
   eval VS_ENV_ARGS="\${VS_ENV_ARGS_${VS_VERSION}}"
+  eval VS_TOOLSET_SUPPORTED="\${VS_TOOLSET_SUPPORTED_${VS_VERSION}}"
 
   VS_ENV_CMD=""
 
@@ -241,6 +252,12 @@ AC_DEFUN([TOOLCHAIN_FIND_VISUAL_STUDIO_BAT_FILE],
     TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT([${VS_VERSION}],
         [C:/Program Files (x86)/$SDK_INSTALL_DIR], [well-known name])
   fi
+
+  if test "x$VS_TOOLSET_SUPPORTED" != x; then
+    if test "x$with_msvc_toolset_version" != x; then
+      VS_ENV_ARGS="$VS_ENV_ARGS -vcvars_ver=$with_msvc_toolset_version"
+    fi
+  fi
 ])
 
 ################################################################################
@@ -397,6 +414,8 @@ AC_DEFUN([TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV],
           >> $EXTRACT_VC_ENV_BAT_FILE
       $ECHO "$WINPATH_BASH -c 'echo VCINSTALLDIR="'\"$VCINSTALLDIR \" >> set-vs-env.sh' \
           >> $EXTRACT_VC_ENV_BAT_FILE
+      $ECHO "$WINPATH_BASH -c 'echo VCToolsRedistDir="'\"$VCToolsRedistDir \" >> set-vs-env.sh' \
+          >> $EXTRACT_VC_ENV_BAT_FILE
       $ECHO "$WINPATH_BASH -c 'echo WindowsSdkDir="'\"$WindowsSdkDir \" >> set-vs-env.sh' \
           >> $EXTRACT_VC_ENV_BAT_FILE
       $ECHO "$WINPATH_BASH -c 'echo WINDOWSSDKDIR="'\"$WINDOWSSDKDIR \" >> set-vs-env.sh' \
@@ -442,6 +461,7 @@ AC_DEFUN([TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV],
       VS_INCLUDE=`$ECHO "$VS_INCLUDE" | $SED -e 's/\\\\*;* *$//'`
       VS_LIB=`$ECHO "$VS_LIB" | $SED 's/\\\\*;* *$//'`
       VCINSTALLDIR=`$ECHO "$VCINSTALLDIR" | $SED 's/\\\\* *$//'`
+      VCToolsRedistDir=`$ECHO "$VCToolsRedistDir" | $SED 's/\\\\* *$//'`
       WindowsSdkDir=`$ECHO "$WindowsSdkDir" | $SED 's/\\\\* *$//'`
       WINDOWSSDKDIR=`$ECHO "$WINDOWSSDKDIR" | $SED 's/\\\\* *$//'`
       if test -z "$WINDOWSSDKDIR"; then
@@ -561,6 +581,8 @@ AC_DEFUN([TOOLCHAIN_SETUP_MSVC_DLL],
           POSSIBLE_MSVC_DLL="$CYGWIN_VC_INSTALL_DIR/redist/x86/Microsoft.VC${VS_VERSION_INTERNAL}.CRT/$DLL_NAME"
         fi
       else
+        CYGWIN_VC_TOOLS_REDIST_DIR="$VCToolsRedistDir"
+        BASIC_FIXUP_PATH(CYGWIN_VC_TOOLS_REDIST_DIR)
         # Probe: Using well-known location from VS 2017
         if test "x$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`"

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
@@ -28,16 +28,16 @@
 
 DEFAULT_VERSION_FEATURE=11
 DEFAULT_VERSION_INTERIM=0
-DEFAULT_VERSION_UPDATE=8
+DEFAULT_VERSION_UPDATE=13
 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=2021-10-19
 DEFAULT_VERSION_CLASSFILE_MAJOR=55  # "`$EXPR $DEFAULT_VERSION_FEATURE + 44`"
 DEFAULT_VERSION_CLASSFILE_MINOR=0
 DEFAULT_ACCEPTABLE_BOOT_VERSIONS="10 11"
-DEFAULT_PROMOTED_VERSION_PRE=ea
+DEFAULT_PROMOTED_VERSION_PRE=
 
 LAUNCHER_NAME=openjdk
 PRODUCT_NAME=OpenJDK

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

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2021, 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
@@ -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)
 
@@ -991,6 +1008,13 @@ define SetupNativeCompilationBody
               $(CD) $$($1_OUTPUT_DIR) && \
                   $$($1_OBJCOPY) --add-gnu-debuglink=$$($1_DEBUGINFO_FILES) $$($1_TARGET)
 
+        else ifeq ($(OPENJDK_TARGET_OS), aix)
+          # AIX does not provide the equivalent of OBJCOPY to extract debug symbols,
+          # so we copy the compiled object with symbols to the .debuginfo file, which
+          # happens prior to the STRIP_CMD on the original target object file.
+          $1_DEBUGINFO_FILES := $$($1_OUTPUT_DIR)/$$($1_NOSUFFIX).debuginfo 
+          $1_CREATE_DEBUGINFO_CMDS := $(CP) $$($1_TARGET) $$($1_DEBUGINFO_FILES)
+
         else ifeq ($(OPENJDK_TARGET_OS), macosx)
           $1_DEBUGINFO_FILES := \
               $$($1_OUTPUT_DIR)/$$($1_BASENAME).dSYM/Contents/Info.plist \
@@ -1189,7 +1213,7 @@ define SetupNativeCompilationBody
                 # This only works if the openjdk_codesign identity is present on the system. Let
                 # silently fail otherwise.
                 ifneq ($(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/TestFilesCompilation.gmk

@@ -75,7 +75,7 @@ define SetupTestFilesCompilationBody
 
   # Locate all files with the matching prefix
   $1_FILE_LIST := \
-      $$(call FindFiles, $$($1_SOURCE_DIRS), $$($1_PREFIX)*.c)
+      $$(call FindFiles, $$($1_SOURCE_DIRS), $$($1_PREFIX)*.c $$($1_PREFIX)*.m)
 
   $1_EXCLUDE_PATTERN := $$(addprefix %/, $$($1_EXCLUDE))
   $1_FILTERED_FILE_LIST := $$(filter-out $$($1_EXCLUDE_PATTERN), $$($1_FILE_LIST))

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/conf/jib-profiles.js

@@ -918,11 +918,12 @@ var getJibProfilesDependencies = function (input, common) {
         },
 
         jtreg: {
-            server: "javare",
-            revision: "4.2",
-            build_number: "b13",
+            server: "jpg",
+            product: "jtreg",
+            version: "5.1",
+            build_number: "b01",
             checksum_file: "MD5_VALUES",
-            file: "jtreg_bin-4.2.zip",
+            file: "bundles/jtreg_bin-5.1.zip",
             environment_name: "JT_HOME",
             environment_path: input.get("jtreg", "install_path") + "/jtreg/bin"
         },
@@ -1160,15 +1161,15 @@ var concatObjects = function (o1, o2) {
  * @param patch Override patch version
  * @returns {String} The numeric version string
  */
-var getVersion = function (feature, interim, update, patch) {
+var getVersion = function (feature, interim, update, patch, extra1, extra2, extra3) {
     var version_numbers = getVersionNumbers();
     var version = (feature != null ? feature : version_numbers.get("DEFAULT_VERSION_FEATURE"))
         + "." + (interim != null ? interim : version_numbers.get("DEFAULT_VERSION_INTERIM"))
         + "." + (update != null ? update :  version_numbers.get("DEFAULT_VERSION_UPDATE"))
         + "." + (patch != null ? patch : version_numbers.get("DEFAULT_VERSION_PATCH"))
-        + "." + version_numbers.get("DEFAULT_VERSION_EXTRA1")
-        + "." + version_numbers.get("DEFAULT_VERSION_EXTRA2")
-        + "." + version_numbers.get("DEFAULT_VERSION_EXTRA3");
+        + "." + (extra1 != null ? extra1 : version_numbers.get("DEFAULT_VERSION_EXTRA1"))
+        + "." + (extra2 != null ? extra2 : version_numbers.get("DEFAULT_VERSION_EXTRA2"))
+        + "." + (extra3 != null ? extra3 : version_numbers.get("DEFAULT_VERSION_EXTRA3"));
     while (version.match(".*\\.0$")) {
         version = version.substring(0, version.length - 2);
     }

make/conf/test-dependencies

@@ -0,0 +1,43 @@
+#
+# Copyright (c) 2020, 2021, 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.  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
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+# Versions and download locations for dependencies used by pre-submit testing.
+
+BOOT_JDK_VERSION=11
+JTREG_VERSION=5.1
+JTREG_BUILD=b01
+GTEST_VERSION=1.8.1
+
+LINUX_X64_BOOT_JDK_FILENAME=openjdk-11_linux-x64_bin.tar.gz
+LINUX_X64_BOOT_JDK_URL=https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.12%2B7/OpenJDK11U-jdk_x64_linux_hotspot_11.0.12_7.tar.gz
+LINUX_X64_BOOT_JDK_SHA256=8770f600fc3b89bf331213c7aa21f8eedd9ca5d96036d1cd48cb2748a3dbefd2
+
+WINDOWS_X64_BOOT_JDK_FILENAME=openjdk-11_windows-x64_bin.zip
+WINDOWS_X64_BOOT_JDK_URL=https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.12%2B7/OpenJDK11U-jdk_x64_windows_hotspot_11.0.12_7.zip
+WINDOWS_X64_BOOT_JDK_SHA256=c54123dd4b0d6473221539e7003b8ca1c1757c5588c46465565b03bf8781f807
+
+MACOS_X64_BOOT_JDK_FILENAME=openjdk-11_osx-x64_bin.tar.gz
+MACOS_X64_BOOT_JDK_URL=https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.12%2B7/OpenJDK11U-jdk_x64_mac_hotspot_11.0.12_7.tar.gz
+MACOS_X64_BOOT_JDK_SHA256=13d056ee9a57bf2d5b3af4504c8f8cf7a246c4dff78f96b70dd05dad98075855

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-----
+MIIGSzCCBDOgAwIBAgIRANm1Q3+vqTkPAAAAAFVlrVgwDQYJKoZIhvcNAQELBQAw
+gb4xCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1FbnRydXN0LCBJbmMuMSgwJgYDVQQL
+Ex9TZWUgd3d3LmVudHJ1c3QubmV0L2xlZ2FsLXRlcm1zMTkwNwYDVQQLEzAoYykg
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+H5Lk6rWS02FREAutp9lfx1/cH6NcjKF+m7ee01ZvZl4HliDtC3T7Zk6LERXpgUl+
+b7DUUH8i119lAg2m9IUe2K4GS0qn0jFmwvjO5QimpAKWRGhXxNUzzxkvFMSUHHuk
+2fCfDrGA4tGeEWSpiBE6doLlYsKA2KSD7ZPvfC+QsDJMlhVoSFLUmQjAJOgc47Ol
+IQ6SwJAfzyBfyjs4x7dtOvPmRLgOMWuIjnDrnBdSqEGULoe256YSxXXfW8AKbnuk
+5F6G+TaU33fD6Q3AOfF5u0aOq0NZJ7cguyPpVkAh7DE9ZapD8j3fcEThuk0mEDuY
+n/PIjhs4ViFqUZPTkcpG2om3PVODLAgfi49T3f+sHw==
+-----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
+BgNVBAcTBkF0aGVuczFEMEIGA1UEChM7SGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl
+c2VhcmNoIEluc3RpdHV0aW9ucyBDZXJ0LiBBdXRob3JpdHkxRDBCBgNVBAMTO0hl
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+QehLgoRc4vgxEZmGZE4JJS+dQS8KrjVPdJWyUWRrjWvmP3CV8AVER6ZyOFB2lQJa
+jq4onvktTpnvLEhvTCUp6NFxW98dwXU3tNf6e3pCnGoKVlp8aQuqgAkkbH7BRqNC
+MEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAQYwHQYDVR0OBBYEFLQi
+C4KZJAEOnLvkDv2/+5cgk5kqMAoGCCqGSM49BAMCA2cAMGQCMGfOFmI4oqxiRaep
+lSTAGiecMjvAwNW6qef4BENThe5SId6d9SWDPp5YSy/XZxMOIQIwBeF1Ad5o7Sof
+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
+DzANBgNVBAcTBkF0aGVuczFEMEIGA1UEChM7SGVsbGVuaWMgQWNhZGVtaWMgYW5k
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+vm9qp/UsQu0yrbYhnr68
+-----END CERTIFICATE-----

make/data/cacerts/identrustdstx3

@@ -1,27 +0,0 @@
-Owner: CN=DST Root CA X3, O=Digital Signature Trust Co.
-Issuer: CN=DST Root CA X3, O=Digital Signature Trust Co.
-Serial number: 44afb080d6a327ba893039862ef8406b
-Valid from: Sat Sep 30 21:12:19 GMT 2000 until: Thu Sep 30 14:01:15 GMT 2021
-Signature algorithm name: SHA1withRSA
-Subject Public Key Algorithm: 2048-bit RSA key
-Version: 3
------BEGIN CERTIFICATE-----
-MIIDSjCCAjKgAwIBAgIQRK+wgNajJ7qJMDmGLvhAazANBgkqhkiG9w0BAQUFADA/
-MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT
-DkRTVCBSb290IENBIFgzMB4XDTAwMDkzMDIxMTIxOVoXDTIxMDkzMDE0MDExNVow
-PzEkMCIGA1UEChMbRGlnaXRhbCBTaWduYXR1cmUgVHJ1c3QgQ28uMRcwFQYDVQQD
-Ew5EU1QgUm9vdCBDQSBYMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
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-Ob8VZRzI9neWagqNdwvYkQsEjgfbKbYK7p2CNTUQ
------END CERTIFICATE-----

make/data/cacerts/soneraclass2ca

@@ -1,26 +0,0 @@
-Owner: CN=Sonera Class2 CA, O=Sonera, C=FI
-Issuer: CN=Sonera Class2 CA, O=Sonera, C=FI
-Serial number: 1d
-Valid from: Fri Apr 06 07:29:40 GMT 2001 until: Tue Apr 06 07:29:40 GMT 2021
-Signature algorithm name: SHA1withRSA
-Subject Public Key Algorithm: 2048-bit RSA key
-Version: 3
------BEGIN CERTIFICATE-----
-MIIDIDCCAgigAwIBAgIBHTANBgkqhkiG9w0BAQUFADA5MQswCQYDVQQGEwJGSTEP
-MA0GA1UEChMGU29uZXJhMRkwFwYDVQQDExBTb25lcmEgQ2xhc3MyIENBMB4XDTAx
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-ZrUYrAqmVCY0M9IbwdR/GjqOC6oybtv8TyWf2TLHllpwrN9M
------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
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make/data/cacerts/sslrootevrsaca

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+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-----
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+-----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-----
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+-----END CERTIFICATE-----

make/data/cacerts/thawtepremiumserverca

@@ -1,27 +0,0 @@
-Owner: EMAILADDRESS=premium-server@thawte.com, CN=Thawte Premium Server CA, OU=Certification Services Division, O=Thawte Consulting cc, L=Cape Town, ST=Western Cape, C=ZA
-Issuer: EMAILADDRESS=premium-server@thawte.com, CN=Thawte Premium Server CA, OU=Certification Services Division, O=Thawte Consulting cc, L=Cape Town, ST=Western Cape, C=ZA
-Serial number: 36122296c5e338a520a1d25f4cd70954
-Valid from: Thu Aug 01 00:00:00 GMT 1996 until: Fri Jan 01 23:59:59 GMT 2021
-Signature algorithm name: SHA1withRSA
-Subject Public Key Algorithm: 1024-bit RSA key
-Version: 3
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----

make/data/cacerts/verisignclass2g2ca

@@ -1,26 +0,0 @@
-Owner: OU=VeriSign Trust Network, OU="(c) 1998 VeriSign, Inc. - For authorized use only", OU=Class 2 Public Primary Certification Authority - G2, O="VeriSign, Inc.", C=US
-Issuer: OU=VeriSign Trust Network, OU="(c) 1998 VeriSign, Inc. - For authorized use only", OU=Class 2 Public Primary Certification Authority - G2, O="VeriSign, Inc.", C=US
-Serial number: b92f60cc889fa17a4609b85b706c8aaf
-Valid from: Mon May 18 00:00:00 GMT 1998 until: Tue Aug 01 23:59:59 GMT 2028
-Signature algorithm name: SHA1withRSA
-Subject Public Key Algorithm: 1024-bit RSA key
-Version: 1
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----

make/data/cacerts/verisignclass3ca

@@ -1,21 +0,0 @@
-Owner: OU=Class 3 Public Primary Certification Authority, O="VeriSign, Inc.", C=US
-Issuer: OU=Class 3 Public Primary Certification Authority, O="VeriSign, Inc.", C=US
-Serial number: 3c9131cb1ff6d01b0e9ab8d044bf12be
-Valid from: Mon Jan 29 00:00:00 GMT 1996 until: Wed Aug 02 23:59:59 GMT 2028
-Signature algorithm name: SHA1withRSA
-Subject Public Key Algorithm: 1024-bit RSA key
-Version: 1
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----

make/data/cacerts/verisignclass3g2ca

@@ -1,26 +0,0 @@
-Owner: OU=VeriSign Trust Network, OU="(c) 1998 VeriSign, Inc. - For authorized use only", OU=Class 3 Public Primary Certification Authority - G2, O="VeriSign, Inc.", C=US
-Issuer: OU=VeriSign Trust Network, OU="(c) 1998 VeriSign, Inc. - For authorized use only", OU=Class 3 Public Primary Certification Authority - G2, O="VeriSign, Inc.", C=US
-Serial number: 7dd9fe07cfa81eb7107967fba78934c6
-Valid from: Mon May 18 00:00:00 GMT 1998 until: Tue Aug 01 23:59:59 GMT 2028
-Signature algorithm name: SHA1withRSA
-Subject Public Key Algorithm: 1024-bit RSA key
-Version: 1
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----

make/data/cacerts/verisigntsaca

@@ -1,24 +0,0 @@
-Owner: CN=Thawte Timestamping CA, OU=Thawte Certification, O=Thawte, L=Durbanville, ST=Western Cape, C=ZA
-Issuer: CN=Thawte Timestamping CA, OU=Thawte Certification, O=Thawte, L=Durbanville, ST=Western Cape, C=ZA
-Serial number: 67c8e1e8e3be1cbdfc913b8ea6238749
-Valid from: Wed Jan 01 00:00:00 GMT 1997 until: Fri Jan 01 23:59:59 GMT 2021
-Signature algorithm name: SHA1withRSA
-Subject Public Key Algorithm: 1024-bit RSA key
-Version: 3
------BEGIN CERTIFICATE-----
-MIICsDCCAhmgAwIBAgIQZ8jh6OO+HL38kTuOpiOHSTANBgkqhkiG9w0BAQUFADCB
-izELMAkGA1UEBhMCWkExFTATBgNVBAgTDFdlc3Rlcm4gQ2FwZTEUMBIGA1UEBxML
-RHVyYmFudmlsbGUxDzANBgNVBAoTBlRoYXd0ZTEdMBsGA1UECxMUVGhhd3RlIENl
-cnRpZmljYXRpb24xHzAdBgNVBAMTFlRoYXd0ZSBUaW1lc3RhbXBpbmcgQ0EwHhcN
-OTcwMTAxMDAwMDAwWhcNMjEwMTAxMjM1OTU5WjCBizELMAkGA1UEBhMCWkExFTAT
-BgNVBAgTDFdlc3Rlcm4gQ2FwZTEUMBIGA1UEBxMLRHVyYmFudmlsbGUxDzANBgNV
-BAoTBlRoYXd0ZTEdMBsGA1UECxMUVGhhd3RlIENlcnRpZmljYXRpb24xHzAdBgNV
-BAMTFlRoYXd0ZSBUaW1lc3RhbXBpbmcgQ0EwgZ8wDQYJKoZIhvcNAQEBBQADgY0A
-MIGJAoGBANYrWHhhRYZT6jR7UZztsOYuGA7+4F+oJ9O0yeB8WU4WDnNUYMF/9p8u
-6TqFJBU820cEY8OexJQaWt9MevPZQx08EHp5JduQ/vBR5zDWQQD9nyjfeb6Uu522
-FOMjhdepQeBMpHmwKxqL8vg7ij5FrHGSALSQQZj7X+36ty6K+Ig3AgMBAAGjEzAR
-MA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQEFBQADgYEAS+mqF4EF+3kKMZ/F
-QfRWVKvpwuWXjhj+kckMPiZkyaFMJ2SnvQGTVXFuF0853BvcSTUQOSP/ypvIz2Y/
-3Ewa1IEGQlIf4SaxFhe65nByMUToTo1b5NP50OOPJWQx5yr4GIg2GlLFDUE1G2m3
-JvUXzMEZXkt8XOKDgJH6L/uatxY=
------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)