add exclude list for Scale2 test runs

8257540: javax/swing/JFileChooser/8041694/bug8041694.java failed with "RuntimeException: The selected directory name is not the expected 'd ' but 'D '."

Reviewed-by: serb
(cherry picked from commit cec6c068b0)

README.md

@@ -5,6 +5,14 @@
 JetBrains Runtime is a fork of [OpenJDK](https://github.com/openjdk/jdk) available for Windows, Mac OS X, and Linux.
 It includes a number enhancements in font rendering, HiDPI support, ligatures, performance improvements, and bugfixes.
 
+## Releases
+Download the latest releases of JetBrains Runtime to use with JetBrains IDEs. The full list
+can be found on the [releases page](https://github.com/JetBrains/JetBrainsRuntime/releases).
+
+| IDE Version | Latest JBR | Date Released |
+|  ---        | ---        | ---           |
+| 2021.3      | [17_0_1-b164.8](https://github.com/JetBrains/JetBrainsRuntime/releases/tag/jbr17_0_1b164.8) | 15-Nov-2021 |
+
 ## Contents
 - [Welcome to JetBrains Runtime](#jetbrains-runtime)
   - [Products Built on JetBrains Runtime](#products-built-on-jetbrains-runtime)

doc/building.html

@@ -96,6 +96,7 @@
 <li><a href="#specific-build-issues">Specific Build Issues</a></li>
 <li><a href="#getting-help">Getting Help</a></li>
 </ul></li>
+<li><a href="#reproducible-builds">Reproducible Builds</a></li>
 <li><a href="#hints-and-suggestions-for-advanced-users">Hints and Suggestions for Advanced Users</a><ul>
 <li><a href="#bash-completion">Bash Completion</a></li>
 <li><a href="#using-multiple-configurations">Using Multiple Configurations</a></li>
@@ -884,6 +885,32 @@ spawn failed</code></pre>
 <h3 id="getting-help">Getting Help</h3>
 <p>If none of the suggestions in this document helps you, or if you find what you believe is a bug in the build system, please contact the Build Group by sending a mail to <a href="mailto:build-dev@openjdk.java.net">build-dev@openjdk.java.net</a>. Please include the relevant parts of the configure and/or build log.</p>
 <p>If 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="reproducible-builds">Reproducible Builds</h2>
+<p>Build reproducibility is the property of getting exactly the same bits out when building, every time, independent on who builds the product, or where. This is for many reasons a harder goal than it initially appears, but it is an important goal, for security reasons and others. Please see <a href="https://reproducible-builds.org">Reproducible Builds</a> for more information about the background and reasons for reproducible builds.</p>
+<p>Currently, it is not possible to build OpenJDK fully reproducibly, but getting there is an ongoing effort. There are some things you can do to minimize non-determinism and make a larger part of the build reproducible:</p>
+<ul>
+<li>Turn on build system support for reproducible builds</li>
+</ul>
+<p>Add the flag <code>--enable-reproducible-build</code> to your <code>configure</code> command line. This will turn on support for reproducible builds where it could otherwise be lacking.</p>
+<ul>
+<li>Do not rely on <code>configure</code>'s default adhoc version strings</li>
+</ul>
+<p>Default adhoc version strings OPT segment include user name, source directory and timestamp. You can either override just the OPT segment using <code>--with-version-opt=&lt;any fixed string&gt;</code>, or you can specify the entire version string using <code>--with-version-string=&lt;your version&gt;</code>.</p>
+<ul>
+<li>Specify how the build sets <code>SOURCE_DATE_EPOCH</code></li>
+</ul>
+<p>The JDK build system will set the <code>SOURCE_DATE_EPOCH</code> environment variable during building, depending on the value of the <code>--with-source-date</code> option for <code>configure</code>. The default value is <code>updated</code>, which means that <code>SOURCE_DATE_EPOCH</code> will be set to the current time each time you are running <code>make</code>.</p>
+<p>The <a href="https://reproducible-builds.org/docs/source-date-epoch/"><code>SOURCE_DATE_EPOCH</code> environment variable</a> is an industry standard, that many tools, such as gcc, recognize, and use in place of the current time when generating output.</p>
+<p>For reproducible builds, you need to set this to a fixed value. You can use the special value <code>version</code> which will use the nominal release date for the current JDK version, or a value describing a date, either an epoch based timestamp as an integer, or a valid ISO-8601 date.</p>
+<p><strong>Hint:</strong> If your build environment already sets <code>SOURCE_DATE_EPOCH</code>, you can propagate this using <code>--with-source-date=$SOURCE_DATE_EPOCH</code>.</p>
+<ul>
+<li>Specify a hotspot build time</li>
+</ul>
+<p>Set a fixed hotspot build time. This will be included in the hotspot library (<code>libjvm.so</code> or <code>jvm.dll</code>) and defaults to the current time when building hotspot. Use <code>--with-hotspot-build-time=&lt;any fixed string&gt;</code> for reproducible builds. It's a string so you don't need to format it specifically, so e.g. <code>n/a</code> will do. Another solution is to use the <code>SOURCE_DATE_EPOCH</code> variable, e.g. <code>--with-hotspot-build-time=$(date --date=@$SOURCE_DATE_EPOCH)</code>.</p>
+<ul>
+<li>Copyright year</li>
+</ul>
+<p>The copyright year in some generated text files are normally set to the current year. This can be overridden by <code>--with-copyright-year=&lt;year&gt;</code>. For fully reproducible builds, this needs to be set to a fixed value.</p>
 <h2 id="hints-and-suggestions-for-advanced-users">Hints and Suggestions for Advanced Users</h2>
 <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>

doc/building.md

@@ -1503,6 +1503,68 @@ If you need general help or advice about developing for the JDK, you can also
 contact the Adoption Group. See the section on [Contributing to OpenJDK](
 #contributing-to-openjdk) for more information.
 
+## Reproducible Builds
+
+Build reproducibility is the property of getting exactly the same bits out when
+building, every time, independent on who builds the product, or where. This is
+for many reasons a harder goal than it initially appears, but it is an important
+goal, for security reasons and others. Please see [Reproducible Builds](
+https://reproducible-builds.org) for more information about the background and
+reasons for reproducible builds.
+
+Currently, it is not possible to build OpenJDK fully reproducibly, but getting
+there is an ongoing effort. There are some things you can do to minimize
+non-determinism and make a larger part of the build reproducible:
+
+  * Turn on build system support for reproducible builds
+
+Add the flag `--enable-reproducible-build` to your `configure` command line.
+This will turn on support for reproducible builds where it could otherwise be
+lacking.
+
+  * Do not rely on `configure`'s default adhoc version strings
+
+Default adhoc version strings OPT segment include user name, source directory
+and timestamp. You can either override just the OPT segment using
+`--with-version-opt=<any fixed string>`, or you can specify the entire version
+string using `--with-version-string=<your version>`.
+
+  * Specify how the build sets `SOURCE_DATE_EPOCH`
+
+The JDK build system will set the `SOURCE_DATE_EPOCH` environment variable
+during building, depending on the value of the `--with-source-date` option for
+`configure`. The default value is `updated`, which means that
+`SOURCE_DATE_EPOCH` will be set to the current time each time you are running
+`make`.
+
+The [`SOURCE_DATE_EPOCH` environment variable](
+https://reproducible-builds.org/docs/source-date-epoch/) is an industry
+standard, that many tools, such as gcc, recognize, and use in place of the
+current time when generating output.
+
+For reproducible builds, you need to set this to a fixed value. You can use the
+special value `version` which will use the nominal release date for the current
+JDK version, or a value describing a date, either an epoch based timestamp as an
+integer, or a valid ISO-8601 date.
+
+**Hint:** If your build environment already sets `SOURCE_DATE_EPOCH`, you can
+propagate this using `--with-source-date=$SOURCE_DATE_EPOCH`.
+
+  * Specify a hotspot build time
+
+Set a fixed hotspot build time. This will be included in the hotspot library
+(`libjvm.so` or `jvm.dll`) and defaults to the current time when building
+hotspot. Use `--with-hotspot-build-time=<any fixed string>` for reproducible
+builds. It's a string so you don't need to format it specifically, so e.g. `n/a`
+will do. Another solution is to use the `SOURCE_DATE_EPOCH` variable, e.g.
+`--with-hotspot-build-time=$(date --date=@$SOURCE_DATE_EPOCH)`.
+
+  * Copyright year
+
+The copyright year in some generated text files are normally set to the current
+year. This can be overridden by `--with-copyright-year=<year>`. For fully
+reproducible builds, this needs to be set to a fixed value.
+
 ## Hints and Suggestions for Advanced Users
 
 ### Bash Completion

jb/project/docker/Dockerfile.aarch64

@@ -0,0 +1,47 @@
+# NOTE: This Dockerfile is meant to be used from the mkdocker_aarch64.sh script.
+
+# Pull a concrete version of Linux that does NOT recieve updates after it's
+# been created.  This is so that the image is as stable as possible to make
+# image creation reproducible.
+# NB: this also means there may be no security-related fixes there, need to
+# move the version to the next manually.
+FROM arm64v8/ubuntu:focal-20211006
+
+# Install the necessary build tools
+RUN export DEBIAN_FRONTEND=noninteractive \
+    export DEBCONF_NONINTERACTIVE_SEEN=true && \
+    echo 'tzdata tzdata/Areas select Etc' | debconf-set-selections; \
+    echo 'tzdata tzdata/Zones/Etc select UTC' | debconf-set-selections; \
+    apt-get update -qy && \
+    apt-get install -qy \
+        autoconf \
+        build-essential \
+        bzip2 \
+        file \
+        g++-10=10.3.0-1ubuntu1~20.04 \
+        gcc-10=10.3.0-1ubuntu1~20.04 \
+        git \
+        libasound2-dev \
+        libcups2-dev \
+        libfontconfig1-dev \
+        libx11-dev \
+        libxext-dev \
+        libxrandr-dev \
+        libxrender-dev \
+        libxt-dev \
+        libxtst-dev \
+        make \
+        tar \
+        unzip \
+        zip && \
+   update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 100 --slave /usr/bin/g++ g++ /usr/bin/g++-10 && \
+   apt-get clean -qy && \
+   rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+# Set up boot JDK for building
+COPY boot_jdk.tar.gz /jdk17/
+RUN cd /jdk17 && tar --strip-components=1 -xzf boot_jdk.tar.gz && rm /jdk17/boot_jdk.tar.gz
+ENV BOOT_JDK=/jdk17
+
+RUN git config --global user.email "teamcity@jetbrains.com" && \
+    git config --global user.name "builduser"

jb/project/docker/mkdocker_aarch64.sh

@@ -0,0 +1,26 @@
+#!/bin/bash -x
+
+# This script creates a Docker image suitable for building AArch64 variant
+# of the JetBrains Runtime version 17.
+
+BOOT_JDK_REMOTE_FILE=zulu17.30.15-ca-jdk17.0.1-linux_aarch64.tar.gz
+BOOT_JDK_SHA=4d9c9116eb0cdd2d7fb220d6d27059f4bf1b7e95cc93d5512bd8ce3791af86c7
+BOOT_JDK_LOCAL_FILE=boot_jdk.tar.gz
+
+if [ ! -f $BOOT_JDK_LOCAL_FILE ]; then
+    # Obtain "boot JDK" from outside of the container.
+    wget -nc https://cdn.azul.com/zulu/bin/${BOOT_JDK_REMOTE_FILE} -O $BOOT_JDK_LOCAL_FILE
+else
+    echo "boot JDK \"$BOOT_JDK_LOCAL_FILE\" present, skipping download"
+fi
+
+# Verify that what we've downloaded can be trusted.
+sha256sum -c - <<EOF
+$BOOT_JDK_SHA *$BOOT_JDK_LOCAL_FILE
+EOF
+
+docker build -t jbr17buildenv -f Dockerfile.aarch64 .
+
+# NB: the resulting container can (and should) be used without the network
+# connection (--network none) during build in order to reduce the chance
+# of build contamination.

jb/project/idea-project-files/jetbrains.api.iml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$/src/jetbrains.api">
+      <sourceFolder url="file://$MODULE_DIR$/src/jetbrains.api/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/jetbrains.api/templates" isTestSource="false" />
+    </content>
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="inheritedJdk" />
+  </component>
+</module>
+

jb/project/idea-project-files/modules.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/jdk.iml" filepath="$PROJECT_DIR$/.idea/jdk.iml" />
+      ###MODULE_IMLS###
+      <module fileurl="file://$PROJECT_DIR$/.idea/jetbrains.api.iml" filepath="$PROJECT_DIR$/.idea/jetbrains.api.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/test.iml" filepath="$PROJECT_DIR$/.idea/test.iml" />
+    </modules>
+  </component>
+</project>
+

jb/project/tools/common/scripts/build-jbr-api.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# $1 - Boot JDK
+# $2 - JBR part of API version
+
+cd "`dirname "$0"`/../../../../.."
+PWD="`pwd`"
+CONF="$PWD/build/jbr-api.conf"
+./configure --with-debug-level=release --with-boot-jdk=$1 || exit $?
+make jbr-api CONF=release MAKEOVERRIDES= "JBR_API_CONF_FILE=$CONF" JBR_API_JBR_VERSION=$2 || exit $?
+. $CONF || exit $?
+echo "##teamcity[buildNumber '$VERSION']"
+cp "$JAR" ./jbr-api-${VERSION}.jar || exit $?
+cp "$SOURCES_JAR" ./jbr-api-${VERSION}-sources.jar || exit $?
+echo "##teamcity[publishArtifacts '$PWD/jbr-api-${VERSION}.jar']"
+echo "##teamcity[publishArtifacts '$PWD/jbr-api-${VERSION}-sources.jar']"

jb/project/tools/common/scripts/common.sh

@@ -6,6 +6,38 @@ do_reset_changes=0
 do_reset_dcevm=0
 HEAD_REVISION=0
 
+OS_NAME=$(uname -s)
+# Enable reproducible builds
+TZ=UTC
+export TZ
+SOURCE_DATE_EPOCH="$(git log -1 --pretty=%ct)"
+export SOURCE_DATE_EPOCH
+USER=builduser
+export USER
+
+case "$OS_NAME" in
+    Linux)
+        COPYRIGHT_YEAR="$(date --utc --date=@$SOURCE_DATE_EPOCH +%Y)"
+        BUILD_TIME="$(date --utc --date=@$SOURCE_DATE_EPOCH +%F)"
+        REPRODUCIBLE_TAR_OPTS="--mtime=@$SOURCE_DATE_EPOCH --owner=0 --group=0 --numeric-owner --pax-option=exthdr.name=%d/PaxHeaders/%f,delete=atime,delete=ctime"
+        ;;
+    Darwin)
+        COPYRIGHT_YEAR="$(date -u -r $SOURCE_DATE_EPOCH +%Y)"
+        BUILD_TIME="$(date -u -r $SOURCE_DATE_EPOCH +%F)"
+        TOUCH_TIME="$(date -u -r $SOURCE_DATE_EPOCH +%Y%m%d%H%M.%S)"
+        REPRODUCIBLE_TAR_OPTS="--uid 0 --gid 0 --numeric-owner"
+        ;;
+    *)
+        # TODO: Windows
+        ;;
+esac
+
+REPRODUCIBLE_BUILD_OPTS="--enable-reproducible-build
+  --with-source-date=$SOURCE_DATE_EPOCH
+  --with-hotspot-build-time=$BUILD_TIME
+  --with-copyright-year=$COPYRIGHT_YEAR
+  --with-native-debug-symbols=none"
+
 function do_exit() {
   exit_code=$1
   [ $do_reset_changes -eq 1 ] && git checkout HEAD modules.list src/java.desktop/share/classes/module-info.java

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

@@ -24,8 +24,6 @@ source jb/project/tools/common/scripts/common.sh
 
 JBRSDK_BASE_NAME=jbrsdk-${JBSDK_VERSION}
 
-[ -z "$bundle_type" ] && (git apply -p0 < jb/project/tools/patches/exclude_jcef_module.patch || exit $?)
-
 sh configure \
   --with-debug-level=release \
   --with-vendor-name="${VENDOR_NAME}" \
@@ -35,7 +33,9 @@ sh configure \
   --with-version-build="${JDK_BUILD_NUMBER}" \
   --with-version-opt=b${build_number} \
   --with-boot-jdk=${BOOT_JDK} \
-  --enable-cds=yes || exit $?
+  --enable-cds=yes \
+  $REPRODUCIBLE_BUILD_OPTS \
+  || exit $?
 make clean CONF=linux-aarch64-server-release || exit $?
 make images CONF=linux-aarch64-server-release test-image || exit $?
 
@@ -54,9 +54,11 @@ echo Creating $JBSDK.tar.gz ...
 sed 's/JBR/JBRSDK/g' ${BASE_DIR}/${JBRSDK_BUNDLE}/release > release
 mv release ${BASE_DIR}/${JBRSDK_BUNDLE}/release
 
-tar -pcf $JBSDK.tar \
+# NB: --sort=name requires tar1.28
+tar $REPRODUCIBLE_TAR_OPTS --sort=name -pcf $JBSDK.tar \
   --exclude=*.debuginfo --exclude=demo --exclude=sample --exclude=man \
   -C $BASE_DIR ${JBRSDK_BUNDLE} || exit $?
+touch -c -d @$SOURCE_DATE_EPOCH $JBRSDK.tar
 gzip $JBSDK.tar || exit $?
 
 JBR_BUNDLE=jbr
@@ -75,10 +77,11 @@ echo Modifying release info ...
 grep -v \"^JAVA_VERSION\" ${JSDK}/release | grep -v \"^MODULES\" >> ${BASE_DIR}/${JBR_BUNDLE}/release
 
 echo Creating $JBR.tar.gz ...
-tar -pcf $JBR.tar -C $BASE_DIR ${JBR_BUNDLE} || exit $?
+tar $REPRODUCIBLE_TAR_OPTS --sort=name -pcf $JBR.tar -C $BASE_DIR ${JBR_BUNDLE} || exit $?
+touch -c -d @$SOURCE_DATE_EPOCH $JBR.tar
 gzip $JBR.tar || exit $?
 
 JBRSDK_TEST=$JBRSDK_BASE_NAME-linux-test-aarch64-b$build_number
 echo Creating $JBRSDK_TEST.tar.gz ...
 tar -pcf $JBRSDK_TEST.tar -C $BASE_DIR --exclude='test/jdk/demos' test || exit $?
-gzip $JBRSDK_TEST.tar || exit $?
+gzip $JBRSDK_TEST.tar || exit $?

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

@@ -21,6 +21,16 @@
 #   JCEF_PATH - specifies the path to the directory with JCEF binaries.
 #               By default JCEF binaries should be located in ./jcef_linux_x64
 
+while getopts ":i?" o; do
+    case "${o}" in
+        i)
+            i="incremental build"
+            INC_BUILD=1
+            ;;
+    esac
+done
+shift $((OPTIND-1))
+
 JBSDK_VERSION=$1
 JDK_BUILD_NUMBER=$2
 build_number=$3
@@ -30,6 +40,21 @@ JCEF_PATH=${JCEF_PATH:=./jcef_linux_x64}
 
 source jb/project/tools/common/scripts/common.sh
 
+function do_configure {
+  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"$build_number" \
+    --with-boot-jdk="$BOOT_JDK" \
+    --enable-cds=yes \
+    $REPRODUCIBLE_BUILD_OPTS \
+    || do_exit $?
+}
+
 function create_image_bundle {
   __bundle_name=$1
   __arch_name=$2
@@ -56,8 +81,14 @@ function create_image_bundle {
   [ -f "$IMAGES_DIR"/"$__arch_name"/lib/jcef_helper ] && chmod a+x "$IMAGES_DIR"/"$__arch_name"/lib/jcef_helper
 
   echo Creating "$JBR".tar.gz ...
-  tar -pcf "$JBR".tar -C "$IMAGES_DIR" "$__arch_name" || do_exit $?
+
+  (cd "$IMAGES_DIR" &&
+    find "$__arch_name" -print0 | LC_ALL=C sort -z | \
+    tar $REPRODUCIBLE_TAR_OPTS \
+      --no-recursion --null -T - -cf "$JBR".tar) || do_exit $?
+  mv "$IMAGES_DIR"/"$JBR".tar ./"$JBR".tar
   [ -f "$JBR".tar.gz ] && rm "$JBR.tar.gz"
+  touch -c -d "@$SOURCE_DATE_EPOCH" "$JBR".tar
   gzip "$JBR".tar || do_exit $?
   rm -rf "${IMAGES_DIR:?}"/"$__arch_name"
 }
@@ -85,18 +116,10 @@ case "$bundle_type" in
     ;;
 esac
 
-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"$build_number" \
-  --with-boot-jdk="$BOOT_JDK" \
-  --enable-cds=yes || do_exit $?
-
-make clean CONF=$RELEASE_NAME || exit $?
+if [ -z "$INC_BUILD" ]; then
+  do_configure || do_exit $?
+  make clean CONF=$RELEASE_NAME || do_exit $?
+fi
 make images CONF=$RELEASE_NAME || do_exit $?
 
 IMAGES_DIR=build/$RELEASE_NAME/images
@@ -135,4 +158,4 @@ if [ -z "$bundle_type" ]; then
     gzip "$JBRSDK_TEST".tar || do_exit $?
 fi
 
-do_exit 0
+do_exit 0

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

@@ -20,6 +20,18 @@
 # Environment variables:
 #   JCEF_PATH - specifies the path to the directory with JCEF binaries.
 #               By default JCEF binaries should be located in ./jcef_mac
+#   MACOSX_VERSION_MAX - specifies value for the --with-macosx-version-max parameter. By default it is 10.12.00 for x64
+#               and 11.00.00 for aarch64
+
+while getopts ":i?" o; do
+    case "${o}" in
+        i)
+            i="incremental build"
+            INC_BUILD=1
+            ;;
+    esac
+done
+shift $((OPTIND-1))
 
 JBSDK_VERSION=$1
 JDK_BUILD_NUMBER=$2
@@ -31,15 +43,48 @@ JBSDK_VERSION_WITH_DOTS=$(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}
-MAJOR_JBSDK_VERSION=$(echo "$JBSDK_VERSION_WITH_DOTS" | awk -F "." '{print $1}')
 BOOT_JDK=${BOOT_JDK:=$(/usr/libexec/java_home -v 16)}
 
 source jb/project/tools/common/scripts/common.sh
 
-function copyJNF {
-  __contents_dir=$1
-    mkdir -p ${__contents_dir}/Frameworks
-    cp -Rp Frameworks/JavaNativeFoundation.framework ${__contents_dir}/Frameworks
+function do_configure {
+  if [[ "${architecture}" == *aarch64* ]]; then
+    sh configure \
+      $WITH_DEBUG_LEVEL \
+      --with-vendor-name="${VENDOR_NAME}" \
+      --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+      --with-macosx-bundle-name-base=${VENDOR_VERSION_STRING} \
+      --with-macosx-bundle-id-base="com.jetbrains.jbr" \
+      --with-jvm-features=shenandoahgc \
+      --with-version-pre= \
+      --with-version-build="${JDK_BUILD_NUMBER}" \
+      --with-version-opt=b"${build_number}" \
+      --with-boot-jdk="$BOOT_JDK" \
+      --with-macosx-version-max="${MACOSX_VERSION_MAX:="11.00.00"}" \
+      --disable-hotspot-gtest --disable-javac-server --disable-full-docs --disable-manpages \
+      --enable-cds=no \
+      --with-extra-cflags="-F$(pwd)/Frameworks" \
+      --with-extra-cxxflags="-F$(pwd)/Frameworks" \
+      --with-extra-ldflags="-F$(pwd)/Frameworks" \
+      $REPRODUCIBLE_BUILD_OPTS \
+      || do_exit $?
+  else
+    sh configure \
+      $WITH_DEBUG_LEVEL \
+      --with-vendor-name="$VENDOR_NAME" \
+      --with-vendor-version-string="$VENDOR_VERSION_STRING" \
+      --with-macosx-bundle-name-base=${VENDOR_VERSION_STRING} \
+      --with-macosx-bundle-id-base="com.jetbrains.jbr" \
+      --with-jvm-features=shenandoahgc \
+      --with-version-pre= \
+      --with-version-build="$JDK_BUILD_NUMBER" \
+      --with-version-opt=b"$build_number" \
+      --with-boot-jdk="$BOOT_JDK" \
+      --with-macosx-version-max="${MACOSX_VERSION_MAX:="10.12.00"}" \
+      --enable-cds=yes \
+      $REPRODUCIBLE_BUILD_OPTS \
+      || do_exit $?
+  fi
 }
 
 function create_image_bundle {
@@ -72,16 +117,17 @@ function create_image_bundle {
   cp -R "$JSDK"/../MacOS "$JRE_CONTENTS"
   cp "$JSDK"/../Info.plist "$JRE_CONTENTS"
 
-  if [[ "${architecture}" == *aarch64* ]]; then
-    # we can't notarize this library as usual framework (with headers and tbd-file)
-    # but single library notarizes correctly
-    copyJNF $JRE_CONTENTS
-  fi
-
   [ -n "$bundle_type" ] && (cp -a $JCEF_PATH/Frameworks "$JRE_CONTENTS" || do_exit $?)
 
   echo Creating "$JBR".tar.gz ...
-  COPYFILE_DISABLE=1 tar -pczf "$JBR".tar.gz --exclude='*.dSYM' --exclude='man' -C "$tmp" "$__arch_name" || do_exit $?
+  # Normalize timestamp
+  find "$tmp"/"$__arch_name" -print0 | xargs -0 touch -c -h -t "$TOUCH_TIME"
+
+  (cd "$tmp" &&
+      find "$__arch_name" -print0 | LC_ALL=C sort -z | \
+      COPYFILE_DISABLE=1 tar $REPRODUCIBLE_TAR_OPTS  --no-recursion --null -T - \
+                             -czf "$JBR".tar.gz --exclude='*.dSYM' --exclude='man') || do_exit $?
+  mv "$tmp"/"$JBR".tar.gz  "$JBR".tar.gz
   rm -rf "$tmp"
 }
 
@@ -113,38 +159,18 @@ case "$bundle_type" in
     ;;
 esac
 
-if [[ "${architecture}" == *aarch64* ]]; then
-  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"${build_number}" \
-    --with-boot-jdk="$BOOT_JDK" \
-    --disable-hotspot-gtest --disable-javac-server --disable-full-docs --disable-manpages \
-    --enable-cds=no \
-    --with-extra-cflags="-F$(pwd)/Frameworks" \
-    --with-extra-cxxflags="-F$(pwd)/Frameworks" \
-    --with-extra-ldflags="-F$(pwd)/Frameworks" || do_exit $?
-else
-  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"$build_number" \
-    --with-boot-jdk="$BOOT_JDK" \
-    --enable-cds=yes || do_exit $?
+if [ -z "$INC_BUILD" ]; then
+  do_configure || do_exit $?
+  make clean CONF=$RELEASE_NAME || do_exit $?
 fi
-make clean CONF=$RELEASE_NAME || do_exit $?
 make images CONF=$RELEASE_NAME || do_exit $?
 
 IMAGES_DIR=build/$RELEASE_NAME/images
-JSDK=$IMAGES_DIR/jdk-bundle/jdk-$MAJOR_JBSDK_VERSION.jdk/Contents/Home
+
+major_version=$(echo "$JBSDK_VERSION_WITH_DOTS" | awk -F "." '{print $1}')
+minor_version=$(echo "$JBSDK_VERSION_WITH_DOTS" | awk -F "." '{print $3}')
+[ -z "$minor_version"  -o "$minor_version" = "0" ] && version_dir=$major_version || version_dir=$JBSDK_VERSION_WITH_DOTS
+JSDK=$IMAGES_DIR/jdk-bundle/jdk-$version_dir.jdk/Contents/Home
 JSDK_MODS_DIR=$IMAGES_DIR/jmods
 JBRSDK_BUNDLE=jbrsdk
 
@@ -175,4 +201,4 @@ if [ -z "$bundle_type" ]; then
     COPYFILE_DISABLE=1 tar -pczf "$JBRSDK_TEST".tar.gz -C $IMAGES_DIR --exclude='test/jdk/demos' test || do_exit $?
 fi
 
-do_exit 0
+do_exit 0

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

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -x
 
 APP_DIRECTORY=$1
 APPL_USER=$2
@@ -54,17 +54,15 @@ function altool-upload() {
 #immediately exit script with an error if a command fails
 set -euo pipefail
 
-file="$APP_NAME.zip"
+#file="$APP_NAME.zip"
 
-log "Zipping $file..."
-rm -rf "$file"
-ditto -c -k --sequesterRsrc --keepParent "$APP_DIRECTORY" "$file"
+#log "Zipping $file..."
+#rm -rf "$file"
+#ditto -c -k --sequesterRsrc --keepParent "$APP_DIRECTORY" "$file"
 
-log "Notarizing $file..."
+log "Notarizing $APP_NAME..."
 rm -rf "altool.init.out" "altool.check.out"
-altool-upload "$file"
-
-rm -rf "$file"
+altool-upload "$APP_NAME"
 
 notarization_info="$(grep -e "RequestUUID" "altool.init.out" | grep -oE '([0-9a-f-]{36})')"
 

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

@@ -1,14 +1,17 @@
-#!/bin/bash
+#!/bin/bash -x
 
-APP_DIRECTORY=$1
-JB_CERT=$2
+APPLICATION_PATH=$1
+APP_NAME=$2
+BUNDLE_ID=$3
+JB_DEVELOPER_CERT=$4
+JB_INSTALLER_CERT=$5
 
-if [[ -z "$APP_DIRECTORY" ]] || [[ -z "$JB_CERT" ]]; then
+if [[ -z "$APPLICATION_PATH" ]] || [[ -z "$JB_DEVELOPER_CERT" ]]; then
   echo "Usage: $0 AppDirectory CertificateID"
   exit 1
 fi
-if [[ ! -d "$APP_DIRECTORY" ]]; then
-  echo "AppDirectory '$APP_DIRECTORY' does not exist or not a directory"
+if [[ ! -d "$APPLICATION_PATH" ]]; then
+  echo "AppDirectory '$APPLICATION_PATH' does not exist or not a directory"
   exit 1
 fi
 
@@ -20,43 +23,30 @@ function log() {
 set -euo pipefail
 
 # Cleanup files left from previous sign attempt (if any)
-find "$APP_DIRECTORY" -name '*.cstemp' -exec rm '{}' \;
+find "$APPLICATION_PATH" -name '*.cstemp' -exec rm '{}' \;
 
 log "Signing libraries and executables..."
 # -perm +111 searches for executables
 for f in \
-   "Contents/Home/bin" \
-   "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 --force \
-      -v -s "$JB_CERT" --options=runtime \
+  "Contents/Home/lib" "Contents/MacOS" \
+  "Contents/Home/Frameworks" \
+  "Contents/Frameworks"; do
+  if [ -d "$APPLICATION_PATH/$f" ]; then
+    find "$APPLICATION_PATH/$f" \
+      -type f \( -name "*.jnilib" -o -name "*.dylib" -o -name "*.so" -o -name "*.tbd" -o -name "*.node" -o -perm +111 \) \
+      -exec codesign --timestamp \
+      -v -s "$JB_DEVELOPER_CERT" --options=runtime --force \
       --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
 # `-e` prevents `grep -q && printf` loginc
 # with `-o pipefail` there's no input for 'while' loop
-find "$APP_DIRECTORY" -name '*.jar' \
-  -exec sh -c "set -u; unzip -l \"\$0\" | grep -q -e '\.dylib\$' -e '\.jnilib\$' -e '\.so\$' -e '^jattach\$' && printf \"\$0\0\" " {} \; |
+find "$APPLICATION_PATH" -name '*.jar' \
+  -exec sh -c "set -u; unzip -l \"\$0\" | grep -q -e '\.dylib\$' -e '\.jnilib\$' -e '\.so\$' -e '\.tbd\$' -e '^jattach\$' && printf \"\$0\0\" " {} \; |
   while IFS= read -r -d $'\0' file; do
     log "Processing libraries in $file"
 
@@ -67,12 +57,13 @@ find "$APP_DIRECTORY" -name '*.jar' \
     cp "$file" jarfolder && (cd jarfolder && jar xf "$filename" && rm "$filename")
 
     find jarfolder \
-      -type f \( -name "*.jnilib" -o -name "*.dylib" -o -name "*.so" -o -name "jattach" \) \
-      -exec codesign --timestamp --force \
-      -v -s "$JB_CERT" --options=runtime \
+      -type f \( -name "*.jnilib" -o -name "*.dylib" -o -name "*.so" -o -name "*.tbd" -o -name "jattach" \) \
+      -exec codesign --timestamp \
+      --force \
+      -v -s "$JB_DEVELOPER_CERT" --options=runtime \
       --entitlements entitlements.xml {} \;
 
-    (cd jarfolder; zip -q -r -o ../jar.jar .)
+    (cd jarfolder; zip -q -r -o -0 ../jar.jar .)
     mv jar.jar "$file"
   done
 
@@ -80,28 +71,41 @@ rm -rf jarfolder jar.jar
 
 log "Signing other files..."
 for f in \
-  "Contents/MacOS"; 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 --force \
-      -v -s "$JB_CERT" --options=runtime \
+  "Contents/Home/bin"; do
+  if [ -d "$APPLICATION_PATH/$f" ]; then
+    find "$APPLICATION_PATH/$f" \
+      -type f \( -name "*.jnilib" -o -name "*.dylib" -o -name "*.so" -o -name "*.tbd" -o -perm +111 \) \
+      -exec codesign --timestamp \
+      -v -s "$JB_DEVELOPER_CERT" --options=runtime --force \
       --entitlements entitlements.xml {} \;
   fi
 done
 
 #log "Signing executable..."
 #codesign --timestamp \
-#    -v -s "$JB_CERT" --options=runtime \
+#    -v -s "$JB_DEVELOPER_CERT" --options=runtime \
 #    --force \
-#    --entitlements entitlements.xml "$APP_DIRECTORY/Contents/MacOS/idea"
+#    --entitlements entitlements.xml "$APPLICATION_PATH/Contents/MacOS/idea"
 
 log "Signing whole app..."
 codesign --timestamp \
-  -v -s "$JB_CERT" --options=runtime \
+  -v -s "$JB_DEVELOPER_CERT" --options=runtime \
   --force \
-  --entitlements entitlements.xml "$APP_DIRECTORY"
+  --entitlements entitlements.xml "$APPLICATION_PATH"
+
+BUILD_NAME=$(echo $APPLICATION_PATH | awk -F"/" '{ print $2 }')
+
+log "Creating $APP_NAME.pkg..."
+rm -rf "$APP_NAME.pkg"
+pkgbuild --identifier $BUNDLE_ID --sign "$JB_INSTALLER_CERT" --root $APPLICATION_PATH \
+    --install-location /Library/Java/JavaVirtualMachines/${BUILD_NAME} ${APP_NAME}.pkg
+
+#log "Signing whole app..."
+#codesign --timestamp \
+#  -v -s "$JB_DEVELOPER_CERT" --options=runtime \
+#  --force \
+#  --entitlements entitlements.xml $APP_NAME.pkg
 
 log "Verifying java is not broken"
-find "$APP_DIRECTORY" \
+find "$APPLICATION_PATH" \
   -type f -name 'java' -perm +111 -exec {} -version \;

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

@@ -12,8 +12,9 @@ BACKUP_JMODS=$2.backup
 USERNAME=$3
 PASSWORD=$4
 CODESIGN_STRING=$5
-NOTARIZE=$6
-BUNDLE_ID=$7
+JB_INSTALLER_CERT=$6
+NOTARIZE=$7
+BUNDLE_ID=$8
 
 cd "$(dirname "$0")"
 
@@ -33,7 +34,7 @@ mkdir "$BACKUP_JMODS"
 log "Unzipping $INPUT_FILE to $EXPLODED ..."
 tar -xzvf "$INPUT_FILE" --directory $EXPLODED
 BUILD_NAME="$(ls "$EXPLODED")"
-sed -i '' s/BNDL/APPL/ $EXPLODED/$BUILD_NAME/Contents/Info.plist
+#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
@@ -42,7 +43,9 @@ fi
 
 log "$INPUT_FILE extracted and removed"
 
-APPLICATION_PATH="$EXPLODED/$BUILD_NAME"
+APP_NAME=$(echo ${INPUT_FILE} | awk -F".tar" '{ print $1 }')
+APPLICATION_PATH=$(sed "s/osx-//" <<< "$EXPLODED/$APP_NAME")
+mv $EXPLODED/$BUILD_NAME $APPLICATION_PATH
 
 find "$APPLICATION_PATH/Contents/Home/bin" \
   -maxdepth 1 -type f -name '*.jnilib' -print0 |
@@ -79,7 +82,7 @@ limit=3
 set +e
 while [[ $attempt -le $limit ]]; do
   log "Signing (attempt $attempt) $APPLICATION_PATH ..."
-  ./sign.sh "$APPLICATION_PATH" "$CODESIGN_STRING"
+  ./sign.sh "$APPLICATION_PATH" "$APP_NAME" "$BUNDLE_ID" "$CODESIGN_STRING" "$JB_INSTALLER_CERT"
   ec=$?
   if [[ $ec -ne 0 ]]; then
     ((attempt += 1))
@@ -92,6 +95,7 @@ while [[ $attempt -le $limit ]]; do
     log "Signing done"
     codesign -v "$APPLICATION_PATH" -vvvvv
     log "Check sign done"
+    spctl -a -v $APPLICATION_PATH
     ((attempt += limit))
   fi
 done
@@ -102,13 +106,12 @@ if [ "$NOTARIZE" = "yes" ]; then
   log "Notarizing..."
   # shellcheck disable=SC1090
   source "$HOME/.notarize_token"
-  APP_NAME=$(echo ${INPUT_FILE} | awk -F"." '{ print $1 }')
   # Since notarization tool uses same file for upload token we have to trick it into using different folders, hence fake root
   # Also it leaves copy of zip file in TMPDIR, so notarize.sh overrides it and uses FAKE_ROOT as location for temp TMPDIR
   FAKE_ROOT="$(pwd)/fake-root"
   mkdir -p "$FAKE_ROOT"
   echo "Notarization will use fake root: $FAKE_ROOT"
-  ./notarize.sh "$APPLICATION_PATH" "$APPLE_USERNAME" "$APPLE_PASSWORD" "$APP_NAME" "$BUNDLE_ID" "$FAKE_ROOT"
+  ./notarize.sh "$APPLICATION_PATH" "$APPLE_USERNAME" "$APPLE_PASSWORD" "$APP_NAME.pkg" "$BUNDLE_ID" "$FAKE_ROOT"
   rm -rf "$FAKE_ROOT"
 
   set +e
@@ -124,10 +127,11 @@ log "Zipping $BUILD_NAME to $INPUT_FILE ..."
   #cd "$EXPLODED"
   #ditto -c -k --sequesterRsrc --keepParent "$BUILD_NAME" "../$INPUT_FILE"
   if test -d $BACKUP_JMODS/jmods; then
-    mv $BACKUP_JMODS/jmods $EXPLODED/$BUILD_NAME/Contents/Home
+    mv $BACKUP_JMODS/jmods $APPLICATION_PATH/Contents/Home
   fi
+  mv $APPLICATION_PATH $EXPLODED/$BUILD_NAME
 
-  tar -pczvf $INPUT_FILE --exclude='*.dSYM' --exclude='man' -C $EXPLODED $BUILD_NAME
+  tar -pczvf $INPUT_FILE --exclude='man' -C $EXPLODED $BUILD_NAME
   log "Finished zipping"
 )
 rm -rf "$EXPLODED"

jb/project/tools/mkjbrapi.sh

@@ -1,56 +0,0 @@
-#!/bin/bash -x
-
-# How to call this script:
-# eval $(jb/project/tools/mkjbrapi.sh)
-
-# It is used to build jetbrains.api module
-# After properly calling this script, you can use following variables:
-# JBR_API_JAR - absolute path to resulting JAR
-# JBR_API_SOURCES_JAR - absolute path to JAR with sources
-# JBR_API_VERSION - JBR API version in form <major>.<minor>
-# JBR_API_VERSION_MAJOR, JBR_API_VERSION_MINOR - JBR API version components
-# JBR_BUILD_DIR - absolute path to JBR build directory
-# JBR_BOOT_JDK - absolute path to used boot JDK
-
-ROOT=$(pwd)
-
-sh configure --with-debug-level=release --disable-warnings-as-errors 1>&2 || exit $?
-
-# Get boot JDK & build directory using make script
-make -f $ROOT/make/JBRApi.gmk -I $ROOT jbr-api MAKEOVERRIDES= CONF=release OUT="$ROOT/build/jbr-api.cfg" 1>&2 || exit $?
-source "$ROOT/build/jbr-api.cfg" || exit $?
-
-# Build module
-make jetbrains.api 1>&2 || exit $?
-
-# Get JBR API version from compiled class
-JSHELL_COMMAND='
-System.out.println("\nVERSION_MAJOR=" + com.jetbrains.JBRApi.getMajorVersion());
-System.out.println("\nVERSION_MINOR=" + com.jetbrains.JBRApi.getMinorVersion());
-/exit'
-VERSION_VARIABLES=$("$BOOT_JDK/bin/jshell" -s --module-path "$BUILD_DIR/jdk/modules/jetbrains.api" \
---add-modules jetbrains.api <<< "$JSHELL_COMMAND" | grep "^VERSION\|^|") || exit $?
-eval "$VERSION_VARIABLES" || exit $?
-
-# Create JAR
-(
-  cd "$BUILD_DIR/jdk/modules/jetbrains.api"
-  "$BOOT_JDK/bin/jar" -cf "$BUILD_DIR/jbr-api.jar" * 1>&2
-) || exit $?
-
-# Create source JAR
-(
-  cd "src/jetbrains.api/share/classes"
-  "$BOOT_JDK/bin/jar" -cf "$BUILD_DIR/jbr-api-sources.jar" * 1>&2
-) || exit $?
-
-# Print output values
-echo "JBR_API_JAR=$BUILD_DIR/jbr-api.jar"
-echo "JBR_API_SOURCES_JAR=$BUILD_DIR/jbr-api-sources.jar"
-echo "JBR_API_VERSION=$VERSION_MAJOR.$VERSION_MINOR"
-echo "JBR_API_VERSION_MAJOR=$VERSION_MAJOR"
-echo "JBR_API_VERSION_MINOR=$VERSION_MINOR"
-echo "JBR_BUILD_DIR=$BUILD_DIR"
-echo "JBR_BOOT_JDK=$BOOT_JDK"
-
-echo "Success!" 1>&2

jb/project/tools/patches/add_jcef_module.patch

@@ -1,11 +1,11 @@
 diff --git modules.list modules.list
-index dcf610a6a56..f8797505c23 100644
+index 054f21d1ee0..d9a121f0273 100644
 --- modules.list
 +++ modules.list
-@@ -51,4 +51,7 @@ jdk.zipfs,
+@@ -49,4 +49,7 @@ jdk.unsupported,
+ jdk.xml.dom,
+ jdk.zipfs,
  jdk.hotspot.agent,
- jetbrains.api,
- jetbrains.api.impl,
 -jdk.jcmd
 +jdk.jcmd,
 +jcef,

jb/project/tools/patches/dcevm/0003-Fix-class-cast-exception-on-redefinition-of-class-A-.patch

@@ -1,7 +1,7 @@
-From d937dae078891013a644c6a53eb17f8f5deb8ec8 Mon Sep 17 00:00:00 2001
+From 9b18096f241be0350245868e8cf26729f6c3d110 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Wed, 11 Mar 2020 14:19:34 +0100
-Subject: [PATCH 03/39] Fix class cast exception on redefinition of class A,
+Subject: [PATCH 03/45] 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 03/39] 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 9327652d8fe..c18a5822939 100644
+index db5b8da58fc..6d9e5116df1 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -908,7 +908,10 @@ bool InstanceKlass::link_class_impl(TRAPS) {

jb/project/tools/patches/dcevm/0004-Support-for-Lambda-class-redefinition.patch

@@ -1,7 +1,7 @@
-From 53d50b53f83aa5135ff5092d0d566424024b8b4b Mon Sep 17 00:00:00 2001
+From 784dd5e16922110b0ee802d5bf1063e2b94499bc Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sun, 4 Oct 2020 21:12:12 +0200
-Subject: [PATCH 04/39] Support for Lambda class redefinition
+Subject: [PATCH 04/45] Support for Lambda class redefinition
 
 ---
  .../share/classfile/classLoaderData.cpp       |  9 +++
@@ -80,114 +80,114 @@ index 2bfd9cb802f..cea614a574f 100644
    // Hidden classes that are not strong must update ClassLoaderData holder
    // so that they can be unloaded when the mirror is no longer referenced.
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 5551d3ca123..bf31819479d 100644
+index 5308b079e67..c1b1b354541 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -492,6 +492,8 @@ void VM_EnhancedRedefineClasses::doit() {
-     ClassLoaderDataGraph::classes_do(&clear_cpool_cache);
- 
- 
-+    // SystemDictionary::methods_do(fix_invoke_method);
-+
-   // JSR-292 support
-   if (_any_class_has_resolved_methods) {
-     bool trace_name_printed = false;
+     ClassLoaderDataGraph::classes_do(&clear_cpool_cache);
+ 
+ 
++    // SystemDictionary::methods_do(fix_invoke_method);
++
+   // JSR-292 support
+   if (_any_class_has_resolved_methods) {
+     bool trace_name_printed = false;
 @@ -754,12 +756,34 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
-     // load hook event.
-     state->set_class_being_redefined(the_class, _class_load_kind);
- 
--    InstanceKlass* k = SystemDictionary::resolve_from_stream(the_class_sym,
--                                                the_class_loader,
--                                                protection_domain,
--                                                &st,
--                                                the_class,
--                                                THREAD);
-+    InstanceKlass* k;
-+
-+    if (InstanceKlass::cast(the_class)->is_anonymous()) {
-+      const InstanceKlass* host_class = the_class->host_klass();
-+
-+      // Make sure it's the real host class, not another anonymous class.
-+      while (host_class != NULL && host_class->is_anonymous()) {
-+        host_class = host_class->host_klass();
-+      }
-+
-+      k = SystemDictionary::parse_stream(the_class_sym,
-+                                         the_class_loader,
-+                                         protection_domain,
-+                                         &st,
-+                                         host_class,
-+                                         the_class,
-+                                         NULL,
-+                                         THREAD);
-+      k->class_loader_data()->exchange_holders(the_class->class_loader_data());
-+      the_class->class_loader_data()->inc_keep_alive();
-+    } else {
-+      k = SystemDictionary::resolve_from_stream(the_class_sym,
-+                                                  the_class_loader,
-+                                                  protection_domain,
-+                                                  &st,
-+                                                  the_class,
-+                                                  THREAD);
-+    }
-     // Clear class_being_redefined just to be sure.
-     state->clear_class_being_redefined();
- 
+     // load hook event.
+     state->set_class_being_redefined(the_class, _class_load_kind);
+ 
+-    InstanceKlass* k = SystemDictionary::resolve_from_stream(the_class_sym,
+-                                                the_class_loader,
+-                                                protection_domain,
+-                                                &st,
+-                                                the_class,
+-                                                THREAD);
++    InstanceKlass* k;
++
++    if (InstanceKlass::cast(the_class)->is_anonymous()) {
++      const InstanceKlass* host_class = the_class->host_klass();
++
++      // Make sure it's the real host class, not another anonymous class.
++      while (host_class != NULL && host_class->is_anonymous()) {
++        host_class = host_class->host_klass();
++      }
++
++      k = SystemDictionary::parse_stream(the_class_sym,
++                                         the_class_loader,
++                                         protection_domain,
++                                         &st,
++                                         host_class,
++                                         the_class,
++                                         NULL,
++                                         THREAD);
++      k->class_loader_data()->exchange_holders(the_class->class_loader_data());
++      the_class->class_loader_data()->inc_keep_alive();
++    } else {
++      k = SystemDictionary::resolve_from_stream(the_class_sym,
++                                                  the_class_loader,
++                                                  protection_domain,
++                                                  &st,
++                                                  the_class,
++                                                  THREAD);
++    }
+     // Clear class_being_redefined just to be sure.
+     state->clear_class_being_redefined();
+ 
 @@ -1440,6 +1464,30 @@ void VM_EnhancedRedefineClasses::MethodDataCleaner::do_klass(Klass* k) {
-   }
- }
- 
-+void VM_EnhancedRedefineClasses::fix_invoke_method(Method* method) {
-+
-+  constantPoolHandle other_cp = constantPoolHandle(method->constants());
-+
-+  for (int i = 0; i < other_cp->length(); i++) {
-+    if (other_cp->tag_at(i).is_klass()) {
-+      Klass* klass = other_cp->resolved_klass_at(i);
-+      if (klass->new_version() != NULL) {
-+        // Constant pool entry points to redefined class -- update to the new version
-+        other_cp->klass_at_put(i, klass->newest_version());
-+      }
-+      assert(other_cp->resolved_klass_at(i)->new_version() == NULL, "Must be new klass!");
-+    }
-+  }
-+
-+  ConstantPoolCache* cp_cache = other_cp->cache();
-+  if (cp_cache != NULL) {
-+    cp_cache->clear_entries();
-+  }
-+
-+}
-+
-+
-+
- void VM_EnhancedRedefineClasses::update_jmethod_ids() {
-   for (int j = 0; j < _matching_methods_length; ++j) {
-     Method* old_method = _matching_old_methods[j];
+   }
+ }
+ 
++void VM_EnhancedRedefineClasses::fix_invoke_method(Method* method) {
++
++  constantPoolHandle other_cp = constantPoolHandle(method->constants());
++
++  for (int i = 0; i < other_cp->length(); i++) {
++    if (other_cp->tag_at(i).is_klass()) {
++      Klass* klass = other_cp->resolved_klass_at(i);
++      if (klass->new_version() != NULL) {
++        // Constant pool entry points to redefined class -- update to the new version
++        other_cp->klass_at_put(i, klass->newest_version());
++      }
++      assert(other_cp->resolved_klass_at(i)->new_version() == NULL, "Must be new klass!");
++    }
++  }
++
++  ConstantPoolCache* cp_cache = other_cp->cache();
++  if (cp_cache != NULL) {
++    cp_cache->clear_entries();
++  }
++
++}
++
++
++
+ void VM_EnhancedRedefineClasses::update_jmethod_ids() {
+   for (int j = 0; j < _matching_methods_length; ++j) {
+     Method* old_method = _matching_old_methods[j];
 @@ -1977,7 +2025,10 @@ jvmtiError VM_EnhancedRedefineClasses::find_sorted_affected_classes(TRAPS) {
-   // Find classes not directly redefined, but affected by a redefinition (because one of its supertypes is redefined)
-   AffectedKlassClosure closure(_affected_klasses);
-   // Updated in j10, from original SystemDictionary::classes_do
--  ClassLoaderDataGraph::dictionary_classes_do(&closure);
-+
-+  ClassLoaderDataGraph::classes_do(&closure);
-+  //ClassLoaderDataGraph::dictionary_classes_do(&closure);
-+
-   log_trace(redefine, class, load)("%d classes affected", _affected_klasses->length());
- 
-   // Sort the affected klasses such that a supertype is always on a smaller array index than its subtype.
+   // Find classes not directly redefined, but affected by a redefinition (because one of its supertypes is redefined)
+   AffectedKlassClosure closure(_affected_klasses);
+   // Updated in j10, from original SystemDictionary::classes_do
+-  ClassLoaderDataGraph::dictionary_classes_do(&closure);
++
++  ClassLoaderDataGraph::classes_do(&closure);
++  //ClassLoaderDataGraph::dictionary_classes_do(&closure);
++
+   log_trace(redefine, class, load)("%d classes affected", _affected_klasses->length());
+ 
+   // Sort the affected klasses such that a supertype is always on a smaller array index than its subtype.
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index 60b62c3170a..d8a11b51fe9 100644
+index a48e07e3a6a..3551b06ecde 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -116,6 +116,7 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
-   void rollback();
-   static void mark_as_scavengable(nmethod* nm);
-   static void unpatch_bytecode(Method* method);
-+  static void fix_invoke_method(Method* method);
- 
-   // Figure out which new methods match old methods in name and signature,
-   // which methods have been added, and which are no longer present
+   void rollback();
+   static void mark_as_scavengable(nmethod* nm);
+   static void unpatch_bytecode(Method* method);
++  static void fix_invoke_method(Method* method);
+ 
+   // Figure out which new methods match old methods in name and signature,
+   // which methods have been added, and which are no longer present
 diff --git a/src/hotspot/share/prims/resolvedMethodTable.cpp b/src/hotspot/share/prims/resolvedMethodTable.cpp
 index 6a8128e844f..8644937dbbb 100644
 --- a/src/hotspot/share/prims/resolvedMethodTable.cpp

jb/project/tools/patches/dcevm/0005-Fix-no-original-bytecode-found-error-if-method-with-.patch

@@ -1,7 +1,7 @@
-From 7bb6ea77608cd43cb7ca8c1ea8d492ae07789a0f Mon Sep 17 00:00:00 2001
+From 97ab12615a56e90993b5df4615c6dbd7eb856ebb Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sat, 23 May 2020 10:02:15 +0200
-Subject: [PATCH 05/39] Fix "no original bytecode found" error if method with
+Subject: [PATCH 05/45] Fix "no original bytecode found" error if method with
  bkp is missing
 
 Sometimes IDE can deploy class with erroneous method, such method has
@@ -102,34 +102,34 @@ index 030ddd1f675..a8d6507ff6c 100644
    void set_breakpoint(int bci);
    void clear_breakpoint(int bci);
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index bf31819479d..07935bd0ada 100644
+index c1b1b354541..ad05b4f34cf 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -1360,14 +1360,16 @@ void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method) {
- 
-     if (code == Bytecodes::_breakpoint) {
-       int bci = method->bci_from(bcp);
--      code = method->orig_bytecode_at(bci);
--      java_code = Bytecodes::java_code(code);
--      if (code != java_code &&
--           (java_code == Bytecodes::_getfield ||
--            java_code == Bytecodes::_putfield ||
--            java_code == Bytecodes::_aload_0)) {
--        // Let breakpoint table handling unpatch bytecode
--        method->set_orig_bytecode_at(bci, java_code);
-+      code = method->orig_bytecode_at(bci, true);
-+      if (code != Bytecodes::_shouldnotreachhere) {
-+        java_code = Bytecodes::java_code(code);
-+        if (code != java_code &&
-+             (java_code == Bytecodes::_getfield ||
-+              java_code == Bytecodes::_putfield ||
-+              java_code == Bytecodes::_aload_0)) {
-+          // Let breakpoint table handling unpatch bytecode
-+          method->set_orig_bytecode_at(bci, java_code);
-+        }
-       }
-     } else {
-       java_code = Bytecodes::java_code(code);
+ 
+     if (code == Bytecodes::_breakpoint) {
+       int bci = method->bci_from(bcp);
+-      code = method->orig_bytecode_at(bci);
+-      java_code = Bytecodes::java_code(code);
+-      if (code != java_code &&
+-           (java_code == Bytecodes::_getfield ||
+-            java_code == Bytecodes::_putfield ||
+-            java_code == Bytecodes::_aload_0)) {
+-        // Let breakpoint table handling unpatch bytecode
+-        method->set_orig_bytecode_at(bci, java_code);
++      code = method->orig_bytecode_at(bci, true);
++      if (code != Bytecodes::_shouldnotreachhere) {
++        java_code = Bytecodes::java_code(code);
++        if (code != java_code &&
++             (java_code == Bytecodes::_getfield ||
++              java_code == Bytecodes::_putfield ||
++              java_code == Bytecodes::_aload_0)) {
++          // Let breakpoint table handling unpatch bytecode
++          method->set_orig_bytecode_at(bci, java_code);
++        }
+       }
+     } else {
+       java_code = Bytecodes::java_code(code);
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0006-Replace-deleted-method-with-Universe-throw_no_such_m.patch

@@ -1,7 +1,7 @@
-From c40cd307310822e6e60c61931c14f97a8501f975 Mon Sep 17 00:00:00 2001
+From cb8d0e41bed94d0c8b8a4c51f692a4ca66dc3672 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sun, 24 May 2020 12:07:42 +0200
-Subject: [PATCH 06/39] Replace deleted method with
+Subject: [PATCH 06/45] Replace deleted method with
  Universe::throw_no_such_method_error
 
 + Change log level in advanced redefinition
@@ -13,18 +13,18 @@ Subject: [PATCH 06/39] Replace deleted method with
  2 files changed, 16 insertions(+), 16 deletions(-)
 
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 07935bd0ada..3c86e8c68ac 100644
+index ad05b4f34cf..95be32f0070 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -881,7 +881,7 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
-  // Calculated the difference between new and old class  (field change, method change, supertype change, ...).
- int VM_EnhancedRedefineClasses::calculate_redefinition_flags(InstanceKlass* new_class) {
-   int result = Klass::NoRedefinition;
--  log_info(redefine, class, load)("Comparing different class versions of class %s",new_class->name()->as_C_string());
-+  log_debug(redefine, class, load)("Comparing different class versions of class %s",new_class->name()->as_C_string());
- 
-   assert(new_class->old_version() != NULL, "must have old version");
-   InstanceKlass* the_class = InstanceKlass::cast(new_class->old_version());
+  // Calculated the difference between new and old class  (field change, method change, supertype change, ...).
+ int VM_EnhancedRedefineClasses::calculate_redefinition_flags(InstanceKlass* new_class) {
+   int result = Klass::NoRedefinition;
+-  log_info(redefine, class, load)("Comparing different class versions of class %s",new_class->name()->as_C_string());
++  log_debug(redefine, class, load)("Comparing different class versions of class %s",new_class->name()->as_C_string());
+ 
+   assert(new_class->old_version() != NULL, "must have old version");
+   InstanceKlass* the_class = InstanceKlass::cast(new_class->old_version());
 diff --git a/src/hotspot/share/prims/resolvedMethodTable.cpp b/src/hotspot/share/prims/resolvedMethodTable.cpp
 index 8644937dbbb..b8d039adff6 100644
 --- a/src/hotspot/share/prims/resolvedMethodTable.cpp

jb/project/tools/patches/dcevm/0007-Support-for-G1-gc.patch

@@ -1,7 +1,7 @@
-From a3775e77a2b4c5ec15051d5cfbf150fc67719d90 Mon Sep 17 00:00:00 2001
+From cfd0e2b3070e7ad75bcf3f320b2c35ac432f9ee9 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Fri, 12 Jun 2020 17:43:52 +0200
-Subject: [PATCH 07/39] Support for G1 gc
+Subject: [PATCH 07/45] Support for G1 gc
 
 ---
  src/hotspot/share/gc/g1/g1CollectedHeap.cpp   |  23 +++
@@ -1032,258 +1032,258 @@ index 8091ab2808d..9fcbb6c41b3 100644
    SystemDictionary::oops_do(oopClosure);
  }
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 3c86e8c68ac..1da6661dd3e 100644
+index 95be32f0070..2679d3a556a 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -36,7 +36,6 @@
- #include "memory/metaspaceShared.hpp"
- #include "memory/resourceArea.hpp"
- #include "memory/iterator.inline.hpp"
--#include "gc/serial/markSweep.hpp"
- #include "oops/fieldStreams.hpp"
- #include "oops/klassVtable.hpp"
- #include "oops/oop.inline.hpp"
+ #include "memory/metaspaceShared.hpp"
+ #include "memory/resourceArea.hpp"
+ #include "memory/iterator.inline.hpp"
+-#include "gc/serial/markSweep.hpp"
+ #include "oops/fieldStreams.hpp"
+ #include "oops/klassVtable.hpp"
+ #include "oops/oop.inline.hpp"
 @@ -54,6 +53,8 @@
- #include "prims/jvmtiThreadState.inline.hpp"
- #include "utilities/events.hpp"
- #include "oops/constantPool.inline.hpp"
-+#include "gc/g1/g1CollectedHeap.hpp"
-+#include "gc/shared/dcevmSharedGC.hpp"
- 
- Array<Method*>* VM_EnhancedRedefineClasses::_old_methods = NULL;
- Array<Method*>* VM_EnhancedRedefineClasses::_new_methods = NULL;
+ #include "prims/jvmtiThreadState.inline.hpp"
+ #include "utilities/events.hpp"
+ #include "oops/constantPool.inline.hpp"
++#include "gc/g1/g1CollectedHeap.hpp"
++#include "gc/shared/dcevmSharedGC.hpp"
+ 
+ Array<Method*>* VM_EnhancedRedefineClasses::_old_methods = NULL;
+ Array<Method*>* VM_EnhancedRedefineClasses::_new_methods = NULL;
 @@ -77,7 +78,7 @@ Klass*      VM_EnhancedRedefineClasses::_the_class_oop = NULL;
- //  - class_defs class definition - either new class or redefined class
- //               note that this is not the final array of classes to be redefined
- //               we need to scan for all affected classes (e.g. subclasses) and
--//               caculcate redefinition for them as well.
-+//               calculate redefinition for them as well.
- // @param class_load_kind always jvmti_class_load_kind_redefine
- VM_EnhancedRedefineClasses::VM_EnhancedRedefineClasses(jint class_count, const jvmtiClassDefinition *class_defs, JvmtiClassLoadKind class_load_kind) :
-         VM_GC_Operation(Universe::heap()->total_collections(), GCCause::_heap_inspection, Universe::heap()->total_full_collections(), true) {
+ //  - class_defs class definition - either new class or redefined class
+ //               note that this is not the final array of classes to be redefined
+ //               we need to scan for all affected classes (e.g. subclasses) and
+-//               caculcate redefinition for them as well.
++//               calculate redefinition for them as well.
+ // @param class_load_kind always jvmti_class_load_kind_redefine
+ VM_EnhancedRedefineClasses::VM_EnhancedRedefineClasses(jint class_count, const jvmtiClassDefinition *class_defs, JvmtiClassLoadKind class_load_kind) :
+         VM_GC_Operation(Universe::heap()->total_collections(), GCCause::_heap_inspection, Universe::heap()->total_full_collections(), true) {
 @@ -215,6 +216,20 @@ void VM_EnhancedRedefineClasses::mark_as_scavengable(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);
-+  }
-+}
-+
- // TODO comment
- struct StoreBarrier {
-   // TODO: j10 review change ::oop_store -> HeapAccess<>::oop_store
+   }
+ }
+ 
++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);
++  }
++}
++
+ // TODO comment
+ struct StoreBarrier {
+   // TODO: j10 review change ::oop_store -> HeapAccess<>::oop_store
 @@ -429,12 +444,7 @@ public:
-           src->set_klass(obj->klass()->new_version());
-           //  FIXME: instance updates...
-           //guarantee(false, "instance updates!");
--          MarkSweep::update_fields(obj, src, new_klass->update_information());
--
--          if (size_diff > 0) {
--            HeapWord* dead_space = ((HeapWord *)obj) + obj->size();
--            CollectedHeap::fill_with_object(dead_space, size_diff);
--          }
-+          DcevmSharedGC::update_fields(obj, src, new_klass->update_information());
-         }
-       } else {
-         obj->set_klass(obj->klass()->new_version());
+           src->set_klass(obj->klass()->new_version());
+           //  FIXME: instance updates...
+           //guarantee(false, "instance updates!");
+-          MarkSweep::update_fields(obj, src, new_klass->update_information());
+-
+-          if (size_diff > 0) {
+-            HeapWord* dead_space = ((HeapWord *)obj) + obj->size();
+-            CollectedHeap::fill_with_object(dead_space, size_diff);
+-          }
++          DcevmSharedGC::update_fields(obj, src, new_klass->update_information());
+         }
+       } else {
+         obj->set_klass(obj->klass()->new_version());
 @@ -456,6 +466,10 @@ public:
- void VM_EnhancedRedefineClasses::doit() {
-   Thread *thread = Thread::current();
- 
-+  if (log_is_enabled(Info, redefine, class, timer)) {
-+    _timer_vm_op_doit.start();
-+  }
-+
- #if INCLUDE_CDS
-   if (UseSharedSpaces) {
-     // Sharing is enabled so we remap the shared readonly space to
+ void VM_EnhancedRedefineClasses::doit() {
+   Thread *thread = Thread::current();
+ 
++  if (log_is_enabled(Info, redefine, class, timer)) {
++    _timer_vm_op_doit.start();
++  }
++
+ #if INCLUDE_CDS
+   if (UseSharedSpaces) {
+     // Sharing is enabled so we remap the shared readonly space to
 @@ -511,12 +525,37 @@ void VM_EnhancedRedefineClasses::doit() {
-     // mark such nmethod's as "scavengable".
-     // For now, mark all nmethod's as scavengable that are not scavengable already
-     if (ScavengeRootsInCode) {
--      CodeCache::nmethods_do(mark_as_scavengable);
-+      if (UseG1GC) {
-+        // 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);
-+      }
-     }
- 
-     Universe::heap()->ensure_parsability(false);
--    Universe::heap()->object_iterate(&objectClosure);
-+    if (UseG1GC) {
-+      if (log_is_enabled(Info, redefine, class, timer)) {
-+        _timer_heap_iterate.start();
-+      }
-+      G1CollectedHeap::heap()->object_par_iterate(&objectClosure);
-+      _timer_heap_iterate.stop();
-+    } else {
-+      if (log_is_enabled(Info, redefine, class, timer)) {
-+        _timer_heap_iterate.start();
-+      }
-+      Universe::heap()->object_iterate(&objectClosure);
-+      _timer_heap_iterate.stop();
-+    }
-+
-     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");
- 
+     // mark such nmethod's as "scavengable".
+     // For now, mark all nmethod's as scavengable that are not scavengable already
+     if (ScavengeRootsInCode) {
+-      CodeCache::nmethods_do(mark_as_scavengable);
++      if (UseG1GC) {
++        // 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);
++      }
+     }
+ 
+     Universe::heap()->ensure_parsability(false);
+-    Universe::heap()->object_iterate(&objectClosure);
++    if (UseG1GC) {
++      if (log_is_enabled(Info, redefine, class, timer)) {
++        _timer_heap_iterate.start();
++      }
++      G1CollectedHeap::heap()->object_par_iterate(&objectClosure);
++      _timer_heap_iterate.stop();
++    } else {
++      if (log_is_enabled(Info, redefine, class, timer)) {
++        _timer_heap_iterate.start();
++      }
++      Universe::heap()->object_iterate(&objectClosure);
++      _timer_heap_iterate.stop();
++    }
++
+     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");
+ 
 @@ -569,11 +608,19 @@ void VM_EnhancedRedefineClasses::doit() {
- 
-   if (objectClosure.needs_instance_update()) {
-     // Do a full garbage collection to update the instance sizes accordingly
-+
-+    if (log_is_enabled(Info, redefine, class, timer)) {
-+      _timer_heap_full_gc.start();
-+    }
-+
-     Universe::set_redefining_gc_run(true);
-     notify_gc_begin(true);
-+    // TODO: check _metadata_GC_clear_soft_refs with ScavengeRootsInCode
-     Universe::heap()->collect_as_vm_thread(GCCause::_heap_inspection);
-     notify_gc_end();
-     Universe::set_redefining_gc_run(false);
-+
-+    _timer_heap_full_gc.stop();
-   }
- 
-   // Unmark Klass*s as "redefining"
+ 
+   if (objectClosure.needs_instance_update()) {
+     // Do a full garbage collection to update the instance sizes accordingly
++
++    if (log_is_enabled(Info, redefine, class, timer)) {
++      _timer_heap_full_gc.start();
++    }
++
+     Universe::set_redefining_gc_run(true);
+     notify_gc_begin(true);
++    // TODO: check _metadata_GC_clear_soft_refs with ScavengeRootsInCode
+     Universe::heap()->collect_as_vm_thread(GCCause::_heap_inspection);
+     notify_gc_end();
+     Universe::set_redefining_gc_run(false);
++
++    _timer_heap_full_gc.stop();
+   }
+ 
+   // Unmark Klass*s as "redefining"
 @@ -621,6 +668,7 @@ void VM_EnhancedRedefineClasses::doit() {
-   }
- #endif
- 
-+  _timer_vm_op_doit.stop();
- }
- 
- // Cleanup - runs in JVM thread
+   }
+ #endif
+ 
++  _timer_vm_op_doit.stop();
+ }
+ 
+ // Cleanup - runs in JVM thread
 @@ -644,16 +692,14 @@ void VM_EnhancedRedefineClasses::doit_epilogue() {
-   if (log_is_enabled(Info, redefine, class, timer)) {
-     // Used to have separate timers for "doit" and "all", but the timer
-     // overhead skewed the measurements.
--    jlong doit_time = _timer_rsc_phase1.milliseconds() +
--                      _timer_rsc_phase2.milliseconds();
--    jlong all_time = _timer_vm_op_prologue.milliseconds() + doit_time;
-+    jlong all_time = _timer_vm_op_prologue.milliseconds() + _timer_vm_op_doit.milliseconds();
- 
-     log_info(redefine, class, timer)
-       ("vm_op: all=" JLONG_FORMAT "  prologue=" JLONG_FORMAT "  doit=" JLONG_FORMAT,
--       all_time, _timer_vm_op_prologue.milliseconds(), doit_time);
-+       all_time, _timer_vm_op_prologue.milliseconds(), _timer_vm_op_doit.milliseconds());
-     log_info(redefine, class, timer)
--      ("redefine_single_class: phase1=" JLONG_FORMAT "  phase2=" JLONG_FORMAT,
--       _timer_rsc_phase1.milliseconds(), _timer_rsc_phase2.milliseconds());
-+      ("doit: heap iterate=" JLONG_FORMAT "  fullgc=" JLONG_FORMAT,
-+       _timer_heap_iterate.milliseconds(), _timer_heap_full_gc.milliseconds());
-   }
- }
- 
+   if (log_is_enabled(Info, redefine, class, timer)) {
+     // Used to have separate timers for "doit" and "all", but the timer
+     // overhead skewed the measurements.
+-    jlong doit_time = _timer_rsc_phase1.milliseconds() +
+-                      _timer_rsc_phase2.milliseconds();
+-    jlong all_time = _timer_vm_op_prologue.milliseconds() + doit_time;
++    jlong all_time = _timer_vm_op_prologue.milliseconds() + _timer_vm_op_doit.milliseconds();
+ 
+     log_info(redefine, class, timer)
+       ("vm_op: all=" JLONG_FORMAT "  prologue=" JLONG_FORMAT "  doit=" JLONG_FORMAT,
+-       all_time, _timer_vm_op_prologue.milliseconds(), doit_time);
++       all_time, _timer_vm_op_prologue.milliseconds(), _timer_vm_op_doit.milliseconds());
+     log_info(redefine, class, timer)
+-      ("redefine_single_class: phase1=" JLONG_FORMAT "  phase2=" JLONG_FORMAT,
+-       _timer_rsc_phase1.milliseconds(), _timer_rsc_phase2.milliseconds());
++      ("doit: heap iterate=" JLONG_FORMAT "  fullgc=" JLONG_FORMAT,
++       _timer_heap_iterate.milliseconds(), _timer_heap_full_gc.milliseconds());
+   }
+ }
+ 
 @@ -1402,7 +1448,7 @@ void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method) {
- // arrayKlassOops. See Open Issues in jvmtiRedefineClasses.hpp.
- void VM_EnhancedRedefineClasses::ClearCpoolCacheAndUnpatch::do_klass(Klass* k) {
-   if (!k->is_instance_klass()) {
--	return;
-+    return;
-   }
- 
-   HandleMark hm(_thread);
+ // arrayKlassOops. See Open Issues in jvmtiRedefineClasses.hpp.
+ void VM_EnhancedRedefineClasses::ClearCpoolCacheAndUnpatch::do_klass(Klass* k) {
+   if (!k->is_instance_klass()) {
+-	return;
++    return;
+   }
+ 
+   HandleMark hm(_thread);
 @@ -1588,7 +1634,7 @@ class TransferNativeFunctionRegistration {
- 
-   // Recursively search the binary tree of possibly prefixed method names.
-   // Iteration could be used if all agents were well behaved. Full tree walk is
--  // more resilent to agents not cleaning up intermediate methods.
-+  // more resilient to agents not cleaning up intermediate methods.
-   // Branch at each depth in the binary tree is:
-   //    (1) without the prefix.
-   //    (2) with the prefix.
+ 
+   // Recursively search the binary tree of possibly prefixed method names.
+   // Iteration could be used if all agents were well behaved. Full tree walk is
+-  // more resilent to agents not cleaning up intermediate methods.
++  // more resilient to agents not cleaning up intermediate methods.
+   // Branch at each depth in the binary tree is:
+   //    (1) without the prefix.
+   //    (2) with the prefix.
 @@ -1693,7 +1739,7 @@ void VM_EnhancedRedefineClasses::transfer_old_native_function_registrations(Inst
-   transfer.transfer_registrations(_matching_old_methods, _matching_methods_length);
- }
- 
--// DCEVM - it always deoptimases everything! (because it is very difficult to find only correct dependencies)
-+// DCEVM - it always deoptimizes everything! (because it is very difficult to find only correct dependencies)
- // Deoptimize all compiled code that depends on this class.
- //
- // If the can_redefine_classes capability is obtained in the onload
+   transfer.transfer_registrations(_matching_old_methods, _matching_methods_length);
+ }
+ 
+-// DCEVM - it always deoptimases everything! (because it is very difficult to find only correct dependencies)
++// DCEVM - it always deoptimizes everything! (because it is very difficult to find only correct dependencies)
+ // Deoptimize all compiled code that depends on this class.
+ //
+ // If the can_redefine_classes capability is obtained in the onload
 @@ -1820,10 +1866,6 @@ void VM_EnhancedRedefineClasses::redefine_single_class(InstanceKlass* new_class_
- 
-   HandleMark hm(THREAD);   // make sure handles from this call are freed
- 
--  if (log_is_enabled(Info, redefine, class, timer)) {
--    _timer_rsc_phase1.start();
--  }
--
-   InstanceKlass* new_class = new_class_oop;
-   InstanceKlass* the_class = InstanceKlass::cast(new_class_oop->old_version());
-   assert(the_class != NULL, "must have old version");
+ 
+   HandleMark hm(THREAD);   // make sure handles from this call are freed
+ 
+-  if (log_is_enabled(Info, redefine, class, timer)) {
+-    _timer_rsc_phase1.start();
+-  }
+-
+   InstanceKlass* new_class = new_class_oop;
+   InstanceKlass* the_class = InstanceKlass::cast(new_class_oop->old_version());
+   assert(the_class != NULL, "must have old version");
 @@ -1878,7 +1920,6 @@ void VM_EnhancedRedefineClasses::redefine_single_class(InstanceKlass* new_class_
-                              new_class->external_name(),
-                              java_lang_Class::classRedefinedCount(new_class->java_mirror()));
-   }
--  _timer_rsc_phase2.stop();
- } // end redefine_single_class()
- 
- 
+                              new_class->external_name(),
+                              java_lang_Class::classRedefinedCount(new_class->java_mirror()));
+   }
+-  _timer_rsc_phase2.stop();
+ } // end redefine_single_class()
+ 
+ 
 @@ -2061,8 +2102,8 @@ static bool match_second(void* value, KlassPair elem) {
- // For each class to be redefined parse the bytecode and figure out the superclass and all interfaces.
- // First newly introduced classes (_class_defs) are scanned and then affected classed (_affected_klasses).
- // Affected flag is cleared (clear_redefinition_flag(Klass::MarkedAsAffected))
--// For each dependency create a KlassPair instance. Finnaly, affected classes (_affected_klasses) are sorted according to pairs.
--// TODO - the class file is potentionally parsed multiple times - introduce a cache?
-+// For each dependency create a KlassPair instance. Finally, affected classes (_affected_klasses) are sorted according to pairs.
-+// TODO - the class file is potentially parsed multiple times - introduce a cache?
- jvmtiError VM_EnhancedRedefineClasses::do_topological_class_sorting(TRAPS) {
-   ResourceMark mark(THREAD);
- 
+ // For each class to be redefined parse the bytecode and figure out the superclass and all interfaces.
+ // First newly introduced classes (_class_defs) are scanned and then affected classed (_affected_klasses).
+ // Affected flag is cleared (clear_redefinition_flag(Klass::MarkedAsAffected))
+-// For each dependency create a KlassPair instance. Finnaly, affected classes (_affected_klasses) are sorted according to pairs.
+-// TODO - the class file is potentionally parsed multiple times - introduce a cache?
++// For each dependency create a KlassPair instance. Finally, affected classes (_affected_klasses) are sorted according to pairs.
++// TODO - the class file is potentially parsed multiple times - introduce a cache?
+ jvmtiError VM_EnhancedRedefineClasses::do_topological_class_sorting(TRAPS) {
+   ResourceMark mark(THREAD);
+ 
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index d8a11b51fe9..4c0412d343d 100644
+index 3551b06ecde..d00109a0b92 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -86,9 +86,10 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
-   // Performance measurement support. These timers do not cover all
-   // the work done for JVM/TI RedefineClasses() but they do cover
-   // the heavy lifting.
--  elapsedTimer  _timer_rsc_phase1;
--  elapsedTimer  _timer_rsc_phase2;
-+  elapsedTimer  _timer_vm_op_doit;
-   elapsedTimer  _timer_vm_op_prologue;
-+  elapsedTimer  _timer_heap_iterate;
-+  elapsedTimer  _timer_heap_full_gc;
- 
-   // These routines are roughly in call order unless otherwise noted.
- 
+   // Performance measurement support. These timers do not cover all
+   // the work done for JVM/TI RedefineClasses() but they do cover
+   // the heavy lifting.
+-  elapsedTimer  _timer_rsc_phase1;
+-  elapsedTimer  _timer_rsc_phase2;
++  elapsedTimer  _timer_vm_op_doit;
+   elapsedTimer  _timer_vm_op_prologue;
++  elapsedTimer  _timer_heap_iterate;
++  elapsedTimer  _timer_heap_full_gc;
+ 
+   // These routines are roughly in call order unless otherwise noted.
+ 
 @@ -115,6 +116,8 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
- 
-   void rollback();
-   static void mark_as_scavengable(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);
- 
+ 
+   void rollback();
+   static void mark_as_scavengable(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);
+ 
 diff --git a/src/hotspot/share/runtime/arguments.cpp b/src/hotspot/share/runtime/arguments.cpp
-index 1373408f18d..b7bb88e2a46 100644
+index 11e7997b4a6..2d33448ec8d 100644
 --- a/src/hotspot/share/runtime/arguments.cpp
 +++ b/src/hotspot/share/runtime/arguments.cpp
-@@ -1981,9 +1981,9 @@ bool Arguments::check_gc_consistency() {
+@@ -1985,9 +1985,9 @@ bool Arguments::check_gc_consistency() {
    if (AllowEnhancedClassRedefinition) {
      // Must use serial GC. This limitation applies because the instance size changing GC modifications
      // are only built into the mark and compact algorithm.

jb/project/tools/patches/dcevm/0008-AllowEnhancedClassRedefinition-is-false-disabled-by-.patch

@@ -1,7 +1,7 @@
-From e062743b148a099a8593a3110d5f1d9156f4ca23 Mon Sep 17 00:00:00 2001
+From 74de59c61db380a0e1c85686714bd9a3f1b29210 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Tue, 6 Oct 2020 22:15:31 +0200
-Subject: [PATCH 08/39] AllowEnhancedClassRedefinition is false (disabled) by
+Subject: [PATCH 08/45] AllowEnhancedClassRedefinition is false (disabled) by
  default
 
 ---
@@ -9,7 +9,7 @@ Subject: [PATCH 08/39] 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 2fcb02fcf49..7051b634a9b 100644
+index 845a39b0225..fb6d1667156 100644
 --- a/src/hotspot/share/runtime/globals.hpp
 +++ b/src/hotspot/share/runtime/globals.hpp
 @@ -2088,7 +2088,7 @@ const intx ObjectAlignmentInBytes = 8;

jb/project/tools/patches/dcevm/0009-Set-HOTSPOT_VM_DISTRO-Dynamic-Code-Evolution.patch

@@ -1,7 +1,7 @@
-From 703cb7aa230b6a159c7f1f86b749a8e0119ef881 Mon Sep 17 00:00:00 2001
+From c00c2a58550ae33ab2c842b521bf3b73163a93a1 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Mon, 19 Oct 2020 20:00:04 +0200
-Subject: [PATCH 09/39] Set HOTSPOT_VM_DISTRO=Dynamic Code Evolution
+Subject: [PATCH 09/45] Set HOTSPOT_VM_DISTRO=Dynamic Code Evolution
 
 ---
  make/autoconf/version-numbers | 55 +++++++++++++++++++++++++++++++++++

jb/project/tools/patches/dcevm/0010-Clear-dcevm-code-separation.patch

@@ -1,7 +1,7 @@
-From 3b4788c779cb9ffe2751e996bba3b445b474eba7 Mon Sep 17 00:00:00 2001
+From c04d57e5278aa5d3cb6ef53fc161d2b6b4f19f3c Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Fri, 23 Oct 2020 10:20:26 +0200
-Subject: [PATCH 10/39] Clear dcevm code separation
+Subject: [PATCH 10/45] Clear dcevm code separation
 
 ---
  src/hotspot/share/classfile/systemDictionary.cpp   |  3 +--
@@ -132,7 +132,7 @@ index b934302f422..d7ae5edc7b3 100644
  
    void set_field(                                // sets entry to resolved field state
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index c18a5822939..994f6bf266f 100644
+index 6d9e5116df1..1e2b40dd1f2 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -968,7 +968,7 @@ bool InstanceKlass::link_class_impl(TRAPS) {
@@ -153,7 +153,7 @@ index c18a5822939..994f6bf266f 100644
        wait = true;
        jt->set_class_to_be_initialized(this);
        ol.wait_uninterruptibly(jt);
-@@ -3796,7 +3796,7 @@ void InstanceKlass::verify_on(outputStream* st) {
+@@ -3808,7 +3808,7 @@ void InstanceKlass::verify_on(outputStream* st) {
  
      guarantee(sib->is_klass(), "should be klass");
      // TODO: (DCEVM) explain

jb/project/tools/patches/dcevm/0011-Fix-LoadedClassesClosure-fixes-problems-with-remote-.patch

@@ -1,7 +1,7 @@
-From bb8f91da24b2649507f2e200f1ff2bae2d2658bf Mon Sep 17 00:00:00 2001
+From 3e9df9bdd901f1a7f7af57f2d37a738c059e3bb3 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Wed, 11 Nov 2020 18:45:15 +0100
-Subject: [PATCH 11/39] Fix LoadedClassesClosure - fixes problems with remote
+Subject: [PATCH 11/45] Fix LoadedClassesClosure - fixes problems with remote
  debugging
 
 ---

jb/project/tools/patches/dcevm/0012-dcevm15-fix-java15-compilation-issues.patch

@@ -1,7 +1,7 @@
-From 2dd09ce40a545a4256f990346e5cebf23dbf0b56 Mon Sep 17 00:00:00 2001
+From 9b3a0f4afda0051f7c653162ff4192d55ecceb4f Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Fri, 12 Feb 2021 10:10:02 +0100
-Subject: [PATCH 12/39] dcevm15 - fix java15 compilation issues
+Subject: [PATCH 12/45] dcevm15 - fix java15 compilation issues
 
 ---
  .../share/classfile/classFileParser.hpp       |   8 +-
@@ -322,7 +322,7 @@ index bec9c91d40a..29a81348d2d 100644
        // Old and new address are in same space, so just compare the address.
        // Must rescue if object moves towards the top of the space.
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index 994f6bf266f..ef0091fe288 100644
+index 1e2b40dd1f2..c181fe044e2 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -1281,7 +1281,7 @@ void InstanceKlass::init_implementor() {
@@ -411,496 +411,496 @@ index a7fe090ba01..2966343c835 100644
  
      // The hidden class loader data has been artificially been kept alive to
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 1da6661dd3e..efaf11e1666 100644
+index 2679d3a556a..a27c2ff87ae 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -24,11 +24,14 @@
- 
- #include "precompiled.hpp"
- #include "aot/aotLoader.hpp"
-+#include "classfile/classFileParser.hpp"
- #include "classfile/classFileStream.hpp"
- #include "classfile/metadataOnStackMark.hpp"
- #include "classfile/systemDictionary.hpp"
- #include "classfile/verifier.hpp"
- #include "classfile/dictionary.hpp"
-+#include "classfile/classLoaderDataGraph.hpp"
-+#include "interpreter/linkResolver.hpp"
- #include "interpreter/oopMapCache.hpp"
- #include "interpreter/rewriter.hpp"
- #include "logging/logStream.hpp"
+ 
+ #include "precompiled.hpp"
+ #include "aot/aotLoader.hpp"
++#include "classfile/classFileParser.hpp"
+ #include "classfile/classFileStream.hpp"
+ #include "classfile/metadataOnStackMark.hpp"
+ #include "classfile/systemDictionary.hpp"
+ #include "classfile/verifier.hpp"
+ #include "classfile/dictionary.hpp"
++#include "classfile/classLoaderDataGraph.hpp"
++#include "interpreter/linkResolver.hpp"
+ #include "interpreter/oopMapCache.hpp"
+ #include "interpreter/rewriter.hpp"
+ #include "logging/logStream.hpp"
 @@ -37,17 +40,22 @@
- #include "memory/resourceArea.hpp"
- #include "memory/iterator.inline.hpp"
- #include "oops/fieldStreams.hpp"
-+#include "oops/fieldStreams.inline.hpp"
- #include "oops/klassVtable.hpp"
- #include "oops/oop.inline.hpp"
- #include "oops/constantPool.inline.hpp"
-+#include "oops/metadata.hpp"
-+#include "oops/methodData.hpp"
- #include "prims/jvmtiImpl.hpp"
- #include "prims/jvmtiClassFileReconstituter.hpp"
- #include "prims/jvmtiEnhancedRedefineClasses.hpp"
- #include "prims/methodComparator.hpp"
- #include "prims/resolvedMethodTable.hpp"
-+#include "prims/methodHandles.hpp"
- #include "runtime/deoptimization.hpp"
- #include "runtime/jniHandles.inline.hpp"
- #include "runtime/relocator.hpp"
-+#include "runtime/fieldDescriptor.hpp"
- #include "runtime/fieldDescriptor.inline.hpp"
- #include "utilities/bitMap.inline.hpp"
- #include "prims/jvmtiThreadState.inline.hpp"
+ #include "memory/resourceArea.hpp"
+ #include "memory/iterator.inline.hpp"
+ #include "oops/fieldStreams.hpp"
++#include "oops/fieldStreams.inline.hpp"
+ #include "oops/klassVtable.hpp"
+ #include "oops/oop.inline.hpp"
+ #include "oops/constantPool.inline.hpp"
++#include "oops/metadata.hpp"
++#include "oops/methodData.hpp"
+ #include "prims/jvmtiImpl.hpp"
+ #include "prims/jvmtiClassFileReconstituter.hpp"
+ #include "prims/jvmtiEnhancedRedefineClasses.hpp"
+ #include "prims/methodComparator.hpp"
+ #include "prims/resolvedMethodTable.hpp"
++#include "prims/methodHandles.hpp"
+ #include "runtime/deoptimization.hpp"
+ #include "runtime/jniHandles.inline.hpp"
+ #include "runtime/relocator.hpp"
++#include "runtime/fieldDescriptor.hpp"
+ #include "runtime/fieldDescriptor.inline.hpp"
+ #include "utilities/bitMap.inline.hpp"
+ #include "prims/jvmtiThreadState.inline.hpp"
 @@ -55,6 +63,8 @@
- #include "oops/constantPool.inline.hpp"
- #include "gc/g1/g1CollectedHeap.hpp"
- #include "gc/shared/dcevmSharedGC.hpp"
-+#include "gc/shared/scavengableNMethods.hpp"
-+#include "ci/ciObjectFactory.hpp"
- 
- Array<Method*>* VM_EnhancedRedefineClasses::_old_methods = NULL;
- Array<Method*>* VM_EnhancedRedefineClasses::_new_methods = NULL;
+ #include "oops/constantPool.inline.hpp"
+ #include "gc/g1/g1CollectedHeap.hpp"
+ #include "gc/shared/dcevmSharedGC.hpp"
++#include "gc/shared/scavengableNMethods.hpp"
++#include "ci/ciObjectFactory.hpp"
+ 
+ Array<Method*>* VM_EnhancedRedefineClasses::_old_methods = NULL;
+ Array<Method*>* VM_EnhancedRedefineClasses::_new_methods = NULL;
 @@ -66,6 +76,7 @@ int         VM_EnhancedRedefineClasses::_matching_methods_length = 0;
- int         VM_EnhancedRedefineClasses::_deleted_methods_length  = 0;
- int         VM_EnhancedRedefineClasses::_added_methods_length    = 0;
- Klass*      VM_EnhancedRedefineClasses::_the_class_oop = NULL;
-+u8        VM_EnhancedRedefineClasses::_id_counter = 0;
- 
- //
- // Create new instance of enhanced class redefiner.
+ int         VM_EnhancedRedefineClasses::_deleted_methods_length  = 0;
+ int         VM_EnhancedRedefineClasses::_added_methods_length    = 0;
+ Klass*      VM_EnhancedRedefineClasses::_the_class_oop = NULL;
++u8        VM_EnhancedRedefineClasses::_id_counter = 0;
+ 
+ //
+ // Create new instance of enhanced class redefiner.
 @@ -88,6 +99,7 @@ VM_EnhancedRedefineClasses::VM_EnhancedRedefineClasses(jint class_count, const j
-   _class_load_kind = class_load_kind;
-   _res = JVMTI_ERROR_NONE;
-   _any_class_has_resolved_methods = false;
-+  _id = next_id();
- }
- 
- static inline InstanceKlass* get_ik(jclass def) {
+   _class_load_kind = class_load_kind;
+   _res = JVMTI_ERROR_NONE;
+   _any_class_has_resolved_methods = false;
++  _id = next_id();
+ }
+ 
+ static inline InstanceKlass* get_ik(jclass def) {
 @@ -211,9 +223,7 @@ class FieldCopier : public FieldClosure {
- 
- // TODO: review...
- void VM_EnhancedRedefineClasses::mark_as_scavengable(nmethod* nm) {
--  if (!nm->on_scavenge_root_list()) {
--    CodeCache::add_scavenge_root_nmethod(nm);
--  }
-+  ScavengableNMethods::register_nmethod(nm);
- }
- 
- void VM_EnhancedRedefineClasses::unregister_nmethod_g1(nmethod* nm) {
+ 
+ // TODO: review...
+ void VM_EnhancedRedefineClasses::mark_as_scavengable(nmethod* nm) {
+-  if (!nm->on_scavenge_root_list()) {
+-    CodeCache::add_scavenge_root_nmethod(nm);
+-  }
++  ScavengableNMethods::register_nmethod(nm);
+ }
+ 
+ void VM_EnhancedRedefineClasses::unregister_nmethod_g1(nmethod* nm) {
 @@ -414,7 +424,7 @@ public:
-       _tmp_obj_size = size;
-       _tmp_obj = (oop)resource_allocate_bytes(size * HeapWordSize);
-     }
--    Copy::aligned_disjoint_words((HeapWord*)o, (HeapWord*)_tmp_obj, size);
-+    Copy::aligned_disjoint_words(cast_from_oop<HeapWord*>(o), cast_from_oop<HeapWord*>(_tmp_obj), size);
-   }
- 
-   virtual void do_object(oop obj) {
+       _tmp_obj_size = size;
+       _tmp_obj = (oop)resource_allocate_bytes(size * HeapWordSize);
+     }
+-    Copy::aligned_disjoint_words((HeapWord*)o, (HeapWord*)_tmp_obj, size);
++    Copy::aligned_disjoint_words(cast_from_oop<HeapWord*>(o), cast_from_oop<HeapWord*>(_tmp_obj), size);
+   }
+ 
+   virtual void do_object(oop obj) {
 @@ -498,16 +508,13 @@ void VM_EnhancedRedefineClasses::doit() {
- 
-   // 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);
-+    flush_dependent_code(thread);
-   // }
- 
-     // Adjust constantpool caches for all classes that reference methods of the evolved class.
-     ClearCpoolCacheAndUnpatch clear_cpool_cache(thread);
-     ClassLoaderDataGraph::classes_do(&clear_cpool_cache);
- 
--
--    // SystemDictionary::methods_do(fix_invoke_method);
--
-   // JSR-292 support
-   if (_any_class_has_resolved_methods) {
-     bool trace_name_printed = false;
+ 
+   // 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);
++    flush_dependent_code(thread);
+   // }
+ 
+     // Adjust constantpool caches for all classes that reference methods of the evolved class.
+     ClearCpoolCacheAndUnpatch clear_cpool_cache(thread);
+     ClassLoaderDataGraph::classes_do(&clear_cpool_cache);
+ 
+-
+-    // SystemDictionary::methods_do(fix_invoke_method);
+-
+   // JSR-292 support
+   if (_any_class_has_resolved_methods) {
+     bool trace_name_printed = false;
 @@ -564,8 +571,8 @@ void VM_EnhancedRedefineClasses::doit() {
-     InstanceKlass* old = InstanceKlass::cast(cur->old_version());
- 
-     // Swap marks to have same hashcodes
--    markOop cur_mark = cur->prototype_header();
--    markOop old_mark = old->prototype_header();
-+    markWord cur_mark = cur->prototype_header();
-+    markWord old_mark = old->prototype_header();
-     cur->set_prototype_header(old_mark);
-     old->set_prototype_header(cur_mark);
- 
+     InstanceKlass* old = InstanceKlass::cast(cur->old_version());
+ 
+     // Swap marks to have same hashcodes
+-    markOop cur_mark = cur->prototype_header();
+-    markOop old_mark = old->prototype_header();
++    markWord cur_mark = cur->prototype_header();
++    markWord old_mark = old->prototype_header();
+     cur->set_prototype_header(old_mark);
+     old->set_prototype_header(cur_mark);
+ 
 @@ -579,14 +586,14 @@ void VM_EnhancedRedefineClasses::doit() {
-       // Revert pool holder for old version of klass (it was updated by one of ours closure!)
-     old->constants()->set_pool_holder(old);
- 
--    Klass* array_klasses = old->array_klasses();
-+    ObjArrayKlass* array_klasses = old->array_klasses();
-     if (array_klasses != NULL) {
-       assert(cur->array_klasses() == NULL, "just checking");
- 
-       // Transfer the array classes, otherwise we might get cast exceptions when casting array types.
-       // Also, set array klasses element klass.
-       cur->set_array_klasses(array_klasses);
--      ObjArrayKlass::cast(array_klasses)->set_element_klass(cur);
-+      array_klasses->set_element_klass(cur);
-       java_lang_Class::release_set_array_klass(cur->java_mirror(), array_klasses);
-       java_lang_Class::set_component_mirror(array_klasses->java_mirror(), cur->java_mirror());
-     }
+       // Revert pool holder for old version of klass (it was updated by one of ours closure!)
+     old->constants()->set_pool_holder(old);
+ 
+-    Klass* array_klasses = old->array_klasses();
++    ObjArrayKlass* array_klasses = old->array_klasses();
+     if (array_klasses != NULL) {
+       assert(cur->array_klasses() == NULL, "just checking");
+ 
+       // Transfer the array classes, otherwise we might get cast exceptions when casting array types.
+       // Also, set array klasses element klass.
+       cur->set_array_klasses(array_klasses);
+-      ObjArrayKlass::cast(array_klasses)->set_element_klass(cur);
++      array_klasses->set_element_klass(cur);
+       java_lang_Class::release_set_array_klass(cur->java_mirror(), array_klasses);
+       java_lang_Class::set_component_mirror(array_klasses->java_mirror(), cur->java_mirror());
+     }
 @@ -640,12 +647,7 @@ void VM_EnhancedRedefineClasses::doit() {
-   //MethodDataCleaner clean_weak_method_links;
-   //ClassLoaderDataGraph::classes_do(&clean_weak_method_links);
- 
--  // Disable any dependent concurrent compilations
--  SystemDictionary::notice_modification();
--
--  // Set flag indicating that some invariants are no longer true.
--  // See jvmtiExport.hpp for detailed explanation.
--  JvmtiExport::set_has_redefined_a_class();
-+  JvmtiExport::increment_redefinition_count();
- 
- #ifdef PRODUCT
-   if (log_is_enabled(Trace, redefine, class, obsolete, metadata)) {
+   //MethodDataCleaner clean_weak_method_links;
+   //ClassLoaderDataGraph::classes_do(&clean_weak_method_links);
+ 
+-  // Disable any dependent concurrent compilations
+-  SystemDictionary::notice_modification();
+-
+-  // Set flag indicating that some invariants are no longer true.
+-  // See jvmtiExport.hpp for detailed explanation.
+-  JvmtiExport::set_has_redefined_a_class();
++  JvmtiExport::increment_redefinition_count();
+ 
+ #ifdef PRODUCT
+   if (log_is_enabled(Trace, redefine, class, obsolete, metadata)) {
 @@ -718,7 +720,7 @@ bool VM_EnhancedRedefineClasses::is_modifiable_class(oop klass_mirror) {
-   }
- 
-   // Cannot redefine or retransform an anonymous class.
--  if (InstanceKlass::cast(k)->is_anonymous()) {
-+  if (InstanceKlass::cast(k)->is_unsafe_anonymous()) {
-     return false;
-   }
-   return true;
+   }
+ 
+   // Cannot redefine or retransform an anonymous class.
+-  if (InstanceKlass::cast(k)->is_anonymous()) {
++  if (InstanceKlass::cast(k)->is_unsafe_anonymous()) {
+     return false;
+   }
+   return true;
 @@ -804,22 +806,30 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
- 
-     InstanceKlass* k;
- 
--    if (InstanceKlass::cast(the_class)->is_anonymous()) {
--      const InstanceKlass* host_class = the_class->host_klass();
-+    if (InstanceKlass::cast(the_class)->is_unsafe_anonymous()) {
-+      const InstanceKlass* host_class = the_class->unsafe_anonymous_host();
- 
-       // Make sure it's the real host class, not another anonymous class.
--      while (host_class != NULL && host_class->is_anonymous()) {
--        host_class = host_class->host_klass();
-+      while (host_class != NULL && host_class->is_unsafe_anonymous()) {
-+        host_class = host_class->unsafe_anonymous_host();
-       }
- 
-+      ClassLoadInfo cl_info(protection_domain,
-+                            host_class,
-+                            NULL,     // dynamic_nest_host
-+                            NULL,     // cp_patches
-+                            Handle(), // classData
-+                            false,    // is_hidden
-+                            false,    // is_strong_hidden
-+                            true);    // FIXME: check if correct. can_access_vm_annotations
-+
-       k = SystemDictionary::parse_stream(the_class_sym,
-                                          the_class_loader,
--                                         protection_domain,
-                                          &st,
--                                         host_class,
-+                                         cl_info,
-                                          the_class,
--                                         NULL,
-                                          THREAD);
-+
-       k->class_loader_data()->exchange_holders(the_class->class_loader_data());
-       the_class->class_loader_data()->inc_keep_alive();
-     } else {
+ 
+     InstanceKlass* k;
+ 
+-    if (InstanceKlass::cast(the_class)->is_anonymous()) {
+-      const InstanceKlass* host_class = the_class->host_klass();
++    if (InstanceKlass::cast(the_class)->is_unsafe_anonymous()) {
++      const InstanceKlass* host_class = the_class->unsafe_anonymous_host();
+ 
+       // Make sure it's the real host class, not another anonymous class.
+-      while (host_class != NULL && host_class->is_anonymous()) {
+-        host_class = host_class->host_klass();
++      while (host_class != NULL && host_class->is_unsafe_anonymous()) {
++        host_class = host_class->unsafe_anonymous_host();
+       }
+ 
++      ClassLoadInfo cl_info(protection_domain,
++                            host_class,
++                            NULL,     // dynamic_nest_host
++                            NULL,     // cp_patches
++                            Handle(), // classData
++                            false,    // is_hidden
++                            false,    // is_strong_hidden
++                            true);    // FIXME: check if correct. can_access_vm_annotations
++
+       k = SystemDictionary::parse_stream(the_class_sym,
+                                          the_class_loader,
+-                                         protection_domain,
+                                          &st,
+-                                         host_class,
++                                         cl_info,
+                                          the_class,
+-                                         NULL,
+                                          THREAD);
++
+       k->class_loader_data()->exchange_holders(the_class->class_loader_data());
+       the_class->class_loader_data()->inc_keep_alive();
+     } else {
 @@ -966,7 +976,7 @@ int VM_EnhancedRedefineClasses::calculate_redefinition_flags(InstanceKlass* new_
-   // Check interfaces
- 
-   // Interfaces removed?
--  Array<Klass*>* old_interfaces = the_class->transitive_interfaces();
-+  Array<InstanceKlass*>* old_interfaces = the_class->transitive_interfaces();
-   for (i = 0; i < old_interfaces->length(); i++) {
-     InstanceKlass* old_interface = InstanceKlass::cast(old_interfaces->at(i));
-     if (!new_class->implements_interface_any_version(old_interface)) {
+   // Check interfaces
+ 
+   // Interfaces removed?
+-  Array<Klass*>* old_interfaces = the_class->transitive_interfaces();
++  Array<InstanceKlass*>* old_interfaces = the_class->transitive_interfaces();
+   for (i = 0; i < old_interfaces->length(); i++) {
+     InstanceKlass* old_interface = InstanceKlass::cast(old_interfaces->at(i));
+     if (!new_class->implements_interface_any_version(old_interface)) {
 @@ -976,7 +986,7 @@ int VM_EnhancedRedefineClasses::calculate_redefinition_flags(InstanceKlass* new_
-   }
- 
-   // Interfaces added?
--  Array<Klass*>* new_interfaces = new_class->transitive_interfaces();
-+  Array<InstanceKlass*>* new_interfaces = new_class->transitive_interfaces();
-   for (i = 0; i<new_interfaces->length(); i++) {
-     if (!the_class->implements_interface_any_version(new_interfaces->at(i))) {
-       result = result | Klass::ModifyClass;
+   }
+ 
+   // Interfaces added?
+-  Array<Klass*>* new_interfaces = new_class->transitive_interfaces();
++  Array<InstanceKlass*>* new_interfaces = new_class->transitive_interfaces();
+   for (i = 0; i<new_interfaces->length(); i++) {
+     if (!the_class->implements_interface_any_version(new_interfaces->at(i))) {
+       result = result | Klass::ModifyClass;
 @@ -1389,8 +1399,8 @@ void VM_EnhancedRedefineClasses::rollback() {
- // Rewrite faster byte-codes back to their slower equivalent. Undoes rewriting happening in templateTable_xxx.cpp
- // The reason is that once we zero cpool caches, we need to re-resolve all entries again. Faster bytecodes do not
- // do that, they assume that cache entry is resolved already.
--void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method) {
--  RawBytecodeStream bcs(method);
-+void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method, TRAPS) {
-+  RawBytecodeStream bcs(methodHandle(THREAD, method));
-   Bytecodes::Code code;
-   Bytecodes::Code java_code;
-   while (!bcs.is_last_bytecode()) {
+ // Rewrite faster byte-codes back to their slower equivalent. Undoes rewriting happening in templateTable_xxx.cpp
+ // The reason is that once we zero cpool caches, we need to re-resolve all entries again. Faster bytecodes do not
+ // do that, they assume that cache entry is resolved already.
+-void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method) {
+-  RawBytecodeStream bcs(method);
++void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method, TRAPS) {
++  RawBytecodeStream bcs(methodHandle(THREAD, method));
+   Bytecodes::Code code;
+   Bytecodes::Code java_code;
+   while (!bcs.is_last_bytecode()) {
 @@ -1454,11 +1464,11 @@ void VM_EnhancedRedefineClasses::ClearCpoolCacheAndUnpatch::do_klass(Klass* k) {
-   HandleMark hm(_thread);
-   InstanceKlass *ik = InstanceKlass::cast(k);
- 
--  constantPoolHandle other_cp = constantPoolHandle(ik->constants());
-+  constantPoolHandle other_cp = constantPoolHandle(_thread, ik->constants());
- 
-   // Update host klass of anonymous classes (for example, produced by lambdas) to newest version.
--  if (ik->is_anonymous() && ik->host_klass()->new_version() != NULL) {
--    ik->set_host_klass(InstanceKlass::cast(ik->host_klass()->newest_version()));
-+  if (ik->is_unsafe_anonymous() && ik->unsafe_anonymous_host()->new_version() != NULL) {
-+    ik->set_unsafe_anonymous_host(InstanceKlass::cast(ik->unsafe_anonymous_host()->newest_version()));
-   }
- 
-   // Update implementor if there is only one, in this case implementor() can reference old class
+   HandleMark hm(_thread);
+   InstanceKlass *ik = InstanceKlass::cast(k);
+ 
+-  constantPoolHandle other_cp = constantPoolHandle(ik->constants());
++  constantPoolHandle other_cp = constantPoolHandle(_thread, ik->constants());
+ 
+   // Update host klass of anonymous classes (for example, produced by lambdas) to newest version.
+-  if (ik->is_anonymous() && ik->host_klass()->new_version() != NULL) {
+-    ik->set_host_klass(InstanceKlass::cast(ik->host_klass()->newest_version()));
++  if (ik->is_unsafe_anonymous() && ik->unsafe_anonymous_host()->new_version() != NULL) {
++    ik->set_unsafe_anonymous_host(InstanceKlass::cast(ik->unsafe_anonymous_host()->newest_version()));
+   }
+ 
+   // Update implementor if there is only one, in this case implementor() can reference old class
 @@ -1492,7 +1502,18 @@ void VM_EnhancedRedefineClasses::ClearCpoolCacheAndUnpatch::do_klass(Klass* k) {
- 
-   // If bytecode rewriting is enabled, we also need to unpatch bytecode to force resolution of zeroed entries
-   if (RewriteBytecodes) {
--    ik->methods_do(unpatch_bytecode);
-+    ik->methods_do(unpatch_bytecode, _thread);
-+  }
-+}
-+
-+u8 VM_EnhancedRedefineClasses::next_id() {
-+  while (true) {
-+    u8 id = _id_counter;
-+    u8 next_id = id + 1;
-+    u8 result = Atomic::cmpxchg(&_id_counter, id, next_id);
-+    if (result == id) {
-+      return next_id;
-+    }
-   }
- }
- 
+ 
+   // If bytecode rewriting is enabled, we also need to unpatch bytecode to force resolution of zeroed entries
+   if (RewriteBytecodes) {
+-    ik->methods_do(unpatch_bytecode);
++    ik->methods_do(unpatch_bytecode, _thread);
++  }
++}
++
++u8 VM_EnhancedRedefineClasses::next_id() {
++  while (true) {
++    u8 id = _id_counter;
++    u8 next_id = id + 1;
++    u8 result = Atomic::cmpxchg(&_id_counter, id, next_id);
++    if (result == id) {
++      return next_id;
++    }
+   }
+ }
+ 
 @@ -1512,31 +1533,8 @@ void VM_EnhancedRedefineClasses::MethodDataCleaner::do_klass(Klass* k) {
-   }
- }
- 
--void VM_EnhancedRedefineClasses::fix_invoke_method(Method* method) {
--
--  constantPoolHandle other_cp = constantPoolHandle(method->constants());
--
--  for (int i = 0; i < other_cp->length(); i++) {
--    if (other_cp->tag_at(i).is_klass()) {
--      Klass* klass = other_cp->resolved_klass_at(i);
--      if (klass->new_version() != NULL) {
--        // Constant pool entry points to redefined class -- update to the new version
--        other_cp->klass_at_put(i, klass->newest_version());
--      }
--      assert(other_cp->resolved_klass_at(i)->new_version() == NULL, "Must be new klass!");
--    }
--  }
- 
--  ConstantPoolCache* cp_cache = other_cp->cache();
--  if (cp_cache != NULL) {
--    cp_cache->clear_entries();
--  }
--
--}
--
--
--
--void VM_EnhancedRedefineClasses::update_jmethod_ids() {
-+void VM_EnhancedRedefineClasses::update_jmethod_ids(TRAPS) {
-   for (int j = 0; j < _matching_methods_length; ++j) {
-     Method* old_method = _matching_old_methods[j];
-     jmethodID jmid = old_method->find_jmethod_id_or_null();
+   }
+ }
+ 
+-void VM_EnhancedRedefineClasses::fix_invoke_method(Method* method) {
+-
+-  constantPoolHandle other_cp = constantPoolHandle(method->constants());
+-
+-  for (int i = 0; i < other_cp->length(); i++) {
+-    if (other_cp->tag_at(i).is_klass()) {
+-      Klass* klass = other_cp->resolved_klass_at(i);
+-      if (klass->new_version() != NULL) {
+-        // Constant pool entry points to redefined class -- update to the new version
+-        other_cp->klass_at_put(i, klass->newest_version());
+-      }
+-      assert(other_cp->resolved_klass_at(i)->new_version() == NULL, "Must be new klass!");
+-    }
+-  }
+ 
+-  ConstantPoolCache* cp_cache = other_cp->cache();
+-  if (cp_cache != NULL) {
+-    cp_cache->clear_entries();
+-  }
+-
+-}
+-
+-
+-
+-void VM_EnhancedRedefineClasses::update_jmethod_ids() {
++void VM_EnhancedRedefineClasses::update_jmethod_ids(TRAPS) {
+   for (int j = 0; j < _matching_methods_length; ++j) {
+     Method* old_method = _matching_old_methods[j];
+     jmethodID jmid = old_method->find_jmethod_id_or_null();
 @@ -1547,10 +1545,10 @@ void VM_EnhancedRedefineClasses::update_jmethod_ids() {
- 
-     if (jmid != NULL) {
-       // There is a jmethodID, change it to point to the new method
--      methodHandle new_method_h(_matching_new_methods[j]);
-+      methodHandle new_method_h(THREAD, _matching_new_methods[j]);
- 
-       if (old_method->new_version() == NULL) {
--        methodHandle old_method_h(_matching_old_methods[j]);
-+        methodHandle old_method_h(THREAD, _matching_old_methods[j]);
-         jmethodID new_jmethod_id = Method::make_jmethod_id(old_method_h->method_holder()->class_loader_data(), old_method_h());
-         bool result = InstanceKlass::cast(old_method_h->method_holder())->update_jmethod_id(old_method_h(), new_jmethod_id);
-       } else {
+ 
+     if (jmid != NULL) {
+       // There is a jmethodID, change it to point to the new method
+-      methodHandle new_method_h(_matching_new_methods[j]);
++      methodHandle new_method_h(THREAD, _matching_new_methods[j]);
+ 
+       if (old_method->new_version() == NULL) {
+-        methodHandle old_method_h(_matching_old_methods[j]);
++        methodHandle old_method_h(THREAD, _matching_old_methods[j]);
+         jmethodID new_jmethod_id = Method::make_jmethod_id(old_method_h->method_holder()->class_loader_data(), old_method_h());
+         bool result = InstanceKlass::cast(old_method_h->method_holder())->update_jmethod_id(old_method_h(), new_jmethod_id);
+       } else {
 @@ -1739,6 +1737,18 @@ void VM_EnhancedRedefineClasses::transfer_old_native_function_registrations(Inst
-   transfer.transfer_registrations(_matching_old_methods, _matching_methods_length);
- }
- 
-+// First step is to walk the code cache for each class redefined and mark
-+// dependent methods.  Wait until all classes are processed to deoptimize everything.
-+void VM_EnhancedRedefineClasses::mark_dependent_code(InstanceKlass* ik) {
-+  assert_locked_or_safepoint(Compile_lock);
-+
-+  // All dependencies have been recorded from startup or this is a second or
-+  // subsequent use of RedefineClasses
-+  if (0 && JvmtiExport::all_dependencies_are_recorded()) {
-+    CodeCache::mark_for_evol_deoptimization(ik);
-+  }
-+}
-+
- // DCEVM - it always deoptimizes everything! (because it is very difficult to find only correct dependencies)
- // Deoptimize all compiled code that depends on this class.
- //
+   transfer.transfer_registrations(_matching_old_methods, _matching_methods_length);
+ }
+ 
++// First step is to walk the code cache for each class redefined and mark
++// dependent methods.  Wait until all classes are processed to deoptimize everything.
++void VM_EnhancedRedefineClasses::mark_dependent_code(InstanceKlass* ik) {
++  assert_locked_or_safepoint(Compile_lock);
++
++  // All dependencies have been recorded from startup or this is a second or
++  // subsequent use of RedefineClasses
++  if (0 && JvmtiExport::all_dependencies_are_recorded()) {
++    CodeCache::mark_for_evol_deoptimization(ik);
++  }
++}
++
+ // DCEVM - it always deoptimizes everything! (because it is very difficult to find only correct dependencies)
+ // Deoptimize all compiled code that depends on this class.
+ //
 @@ -1755,33 +1765,21 @@ void VM_EnhancedRedefineClasses::transfer_old_native_function_registrations(Inst
- // subsequent calls to RedefineClasses need only throw away code
- // that depends on the class.
- //
--void VM_EnhancedRedefineClasses::flush_dependent_code(InstanceKlass* k_h, TRAPS) {
-+void VM_EnhancedRedefineClasses::flush_dependent_code(TRAPS) {
-   assert_locked_or_safepoint(Compile_lock);
- 
-   // All dependencies have been recorded from startup or this is a second or
-   // subsequent use of RedefineClasses
-   // FIXME: for now, deoptimize all!
--  if (0 && k_h != NULL && JvmtiExport::all_dependencies_are_recorded()) {
--    CodeCache::flush_evol_dependents_on(k_h);
--    Klass* superCl = k_h->super();
--    // Deoptimize super classes since redefined class can has a new method override
--    while (superCl != NULL && !superCl->is_redefining()) {
--      CodeCache::flush_evol_dependents_on(InstanceKlass::cast(superCl));
--      superCl = superCl->super();
-+  if (0 && JvmtiExport::all_dependencies_are_recorded()) {
-+    int deopt = CodeCache::mark_dependents_for_evol_deoptimization();
-+    log_debug(redefine, class, nmethod)("Marked %d dependent nmethods for deopt", deopt);
-+    if (deopt != 0) {
-+      CodeCache::flush_evol_dependents();
-     }
-   } else {
--    CodeCache::mark_all_nmethods_for_deoptimization();
--
--    ResourceMark rm(THREAD);
--    DeoptimizationMarker dm;
--
--    // Deoptimize all activations depending on marked nmethods
--    Deoptimization::deoptimize_dependents();
--
--    // Make the dependent methods not entrant
--    CodeCache::make_marked_nmethods_not_entrant();
--
--    // From now on we know that the dependency information is complete
-+    CodeCache::mark_all_nmethods_for_evol_deoptimization();
-+    CodeCache::flush_evol_dependents();
-     JvmtiExport::set_all_dependencies_are_recorded(true);
-   }
- }
+ // subsequent calls to RedefineClasses need only throw away code
+ // that depends on the class.
+ //
+-void VM_EnhancedRedefineClasses::flush_dependent_code(InstanceKlass* k_h, TRAPS) {
++void VM_EnhancedRedefineClasses::flush_dependent_code(TRAPS) {
+   assert_locked_or_safepoint(Compile_lock);
+ 
+   // All dependencies have been recorded from startup or this is a second or
+   // subsequent use of RedefineClasses
+   // FIXME: for now, deoptimize all!
+-  if (0 && k_h != NULL && JvmtiExport::all_dependencies_are_recorded()) {
+-    CodeCache::flush_evol_dependents_on(k_h);
+-    Klass* superCl = k_h->super();
+-    // Deoptimize super classes since redefined class can has a new method override
+-    while (superCl != NULL && !superCl->is_redefining()) {
+-      CodeCache::flush_evol_dependents_on(InstanceKlass::cast(superCl));
+-      superCl = superCl->super();
++  if (0 && JvmtiExport::all_dependencies_are_recorded()) {
++    int deopt = CodeCache::mark_dependents_for_evol_deoptimization();
++    log_debug(redefine, class, nmethod)("Marked %d dependent nmethods for deopt", deopt);
++    if (deopt != 0) {
++      CodeCache::flush_evol_dependents();
+     }
+   } else {
+-    CodeCache::mark_all_nmethods_for_deoptimization();
+-
+-    ResourceMark rm(THREAD);
+-    DeoptimizationMarker dm;
+-
+-    // Deoptimize all activations depending on marked nmethods
+-    Deoptimization::deoptimize_dependents();
+-
+-    // Make the dependent methods not entrant
+-    CodeCache::make_marked_nmethods_not_entrant();
+-
+-    // From now on we know that the dependency information is complete
++    CodeCache::mark_all_nmethods_for_evol_deoptimization();
++    CodeCache::flush_evol_dependents();
+     JvmtiExport::set_all_dependencies_are_recorded(true);
+   }
+ }
 @@ -1874,11 +1872,7 @@ void VM_EnhancedRedefineClasses::redefine_single_class(InstanceKlass* new_class_
-   JvmtiBreakpoints& jvmti_breakpoints = JvmtiCurrentBreakpoints::get_jvmti_breakpoints();
-   jvmti_breakpoints.clearall_in_class_at_safepoint(the_class);
- 
--  // DCEVM Deoptimization is always for whole java world, call only once after all classes are redefined
--  // Deoptimize all compiled code that depends on this class
--//  if (_max_redefinition_flags <= Klass::ModifyClass) {
--//    flush_dependent_code(the_class, THREAD);
--//  }
-+  mark_dependent_code(the_class);
- 
-   _old_methods = the_class->methods();
-   _new_methods = new_class->methods();
+   JvmtiBreakpoints& jvmti_breakpoints = JvmtiCurrentBreakpoints::get_jvmti_breakpoints();
+   jvmti_breakpoints.clearall_in_class_at_safepoint(the_class);
+ 
+-  // DCEVM Deoptimization is always for whole java world, call only once after all classes are redefined
+-  // Deoptimize all compiled code that depends on this class
+-//  if (_max_redefinition_flags <= Klass::ModifyClass) {
+-//    flush_dependent_code(the_class, THREAD);
+-//  }
++  mark_dependent_code(the_class);
+ 
+   _old_methods = the_class->methods();
+   _new_methods = new_class->methods();
 @@ -1887,7 +1881,7 @@ void VM_EnhancedRedefineClasses::redefine_single_class(InstanceKlass* new_class_
- 
-   // track number of methods that are EMCP for add_previous_version() call below
-   check_methods_and_mark_as_obsolete();
--  update_jmethod_ids();
-+  update_jmethod_ids(THREAD);
- 
-   _any_class_has_resolved_methods = the_class->has_resolved_methods() || _any_class_has_resolved_methods;
- 
+ 
+   // track number of methods that are EMCP for add_previous_version() call below
+   check_methods_and_mark_as_obsolete();
+-  update_jmethod_ids();
++  update_jmethod_ids(THREAD);
+ 
+   _any_class_has_resolved_methods = the_class->has_resolved_methods() || _any_class_has_resolved_methods;
+ 
 @@ -2119,12 +2113,12 @@ jvmtiError VM_EnhancedRedefineClasses::do_topological_class_sorting(TRAPS) {
- 
-     Handle protection_domain(THREAD, klass->protection_domain());
- 
-+    ClassLoadInfo cl_info(protection_domain);
-+
-     ClassFileParser parser(&st,
-                            klass->name(),
-                            klass->class_loader_data(),
--                           protection_domain,
--                           NULL, // host_klass
--                           NULL, // cp_patches
-+                           &cl_info,
-                            ClassFileParser::INTERNAL, // publicity level
-                            true,
-                            THREAD);
+ 
+     Handle protection_domain(THREAD, klass->protection_domain());
+ 
++    ClassLoadInfo cl_info(protection_domain);
++
+     ClassFileParser parser(&st,
+                            klass->name(),
+                            klass->class_loader_data(),
+-                           protection_domain,
+-                           NULL, // host_klass
+-                           NULL, // cp_patches
++                           &cl_info,
+                            ClassFileParser::INTERNAL, // publicity level
+                            true,
+                            THREAD);
 @@ -2134,7 +2128,7 @@ jvmtiError VM_EnhancedRedefineClasses::do_topological_class_sorting(TRAPS) {
-       links.append(KlassPair(super_klass, klass));
-     }
- 
--    Array<Klass*>* local_interfaces = parser.local_interfaces();
-+    Array<InstanceKlass*>* local_interfaces = parser.local_interfaces();
-     for (int j = 0; j < local_interfaces->length(); j++) {
-       Klass* iface = local_interfaces->at(j);
-       if (iface != NULL && _affected_klasses->contains(iface)) {
+       links.append(KlassPair(super_klass, klass));
+     }
+ 
+-    Array<Klass*>* local_interfaces = parser.local_interfaces();
++    Array<InstanceKlass*>* local_interfaces = parser.local_interfaces();
+     for (int j = 0; j < local_interfaces->length(); j++) {
+       Klass* iface = local_interfaces->at(j);
+       if (iface != NULL && _affected_klasses->contains(iface)) {
 @@ -2157,7 +2151,7 @@ jvmtiError VM_EnhancedRedefineClasses::do_topological_class_sorting(TRAPS) {
-         links.append(KlassPair(super_klass, klass));
-       }
- 
--      Array<Klass*>* local_interfaces = klass->local_interfaces();
-+      Array<InstanceKlass*>* local_interfaces = klass->local_interfaces();
-       for (int j = 0; j < local_interfaces->length(); j++) {
-         Klass* interfaceKlass = local_interfaces->at(j);
-         if (_affected_klasses->contains(interfaceKlass)) {
+         links.append(KlassPair(super_klass, klass));
+       }
+ 
+-      Array<Klass*>* local_interfaces = klass->local_interfaces();
++      Array<InstanceKlass*>* local_interfaces = klass->local_interfaces();
+       for (int j = 0; j < local_interfaces->length(); j++) {
+         Klass* interfaceKlass = local_interfaces->at(j);
+         if (_affected_klasses->contains(interfaceKlass)) {
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index 4c0412d343d..bd5e7d153be 100644
+index d00109a0b92..61f62e7f831 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -32,7 +32,7 @@
- #include "memory/resourceArea.hpp"
- #include "oops/objArrayKlass.hpp"
- #include "oops/objArrayOop.hpp"
--#include "gc/shared/vmGCOperations.hpp"
-+#include "gc/shared/gcVMOperations.hpp"
- #include "../../../java.base/unix/native/include/jni_md.h"
- 
- //
+ #include "memory/resourceArea.hpp"
+ #include "oops/objArrayKlass.hpp"
+ #include "oops/objArrayOop.hpp"
+-#include "gc/shared/vmGCOperations.hpp"
++#include "gc/shared/gcVMOperations.hpp"
+ #include "../../../java.base/unix/native/include/jni_md.h"
+ 
+ //
 @@ -59,6 +59,7 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
-   static int             _deleted_methods_length;
-   static int             _added_methods_length;
-   static Klass*          _the_class_oop;
-+  static u8              _id_counter;
- 
-   // The instance fields are used to pass information from
-   // doit_prologue() to doit() and doit_epilogue().
+   static int             _deleted_methods_length;
+   static int             _added_methods_length;
+   static Klass*          _the_class_oop;
++  static u8              _id_counter;
+ 
+   // The instance fields are used to pass information from
+   // doit_prologue() to doit() and doit_epilogue().
 @@ -91,6 +92,9 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
-   elapsedTimer  _timer_heap_iterate;
-   elapsedTimer  _timer_heap_full_gc;
- 
-+  // Redefinition id used by JFR
-+  u8 _id;
-+
-   // These routines are roughly in call order unless otherwise noted.
- 
-   // Load and link new classes (either redefined or affected by redefinition - subclass, ...)
+   elapsedTimer  _timer_heap_iterate;
+   elapsedTimer  _timer_heap_full_gc;
+ 
++  // Redefinition id used by JFR
++  u8 _id;
++
+   // These routines are roughly in call order unless otherwise noted.
+ 
+   // Load and link new classes (either redefined or affected by redefinition - subclass, ...)
 @@ -118,15 +122,14 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
-   static void mark_as_scavengable(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);
-+  static void unpatch_bytecode(Method* method, TRAPS);
- 
-   // Figure out which new methods match old methods in name and signature,
-   // which methods have been added, and which are no longer present
-   void compute_added_deleted_matching_methods();
- 
-   // Change jmethodIDs to point to the new methods
--  void update_jmethod_ids();
-+  void update_jmethod_ids(TRAPS);
- 
-   // marking methods as old and/or obsolete
-   void check_methods_and_mark_as_obsolete();
+   static void mark_as_scavengable(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);
++  static void unpatch_bytecode(Method* method, TRAPS);
+ 
+   // Figure out which new methods match old methods in name and signature,
+   // which methods have been added, and which are no longer present
+   void compute_added_deleted_matching_methods();
+ 
+   // Change jmethodIDs to point to the new methods
+-  void update_jmethod_ids();
++  void update_jmethod_ids(TRAPS);
+ 
+   // marking methods as old and/or obsolete
+   void check_methods_and_mark_as_obsolete();
 @@ -139,7 +142,11 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
-   // and in all direct and indirect subclasses.
-   void increment_class_counter(InstanceKlass *ik, TRAPS);
- 
--  void flush_dependent_code(InstanceKlass* k_h, TRAPS);
-+  void mark_dependent_code(InstanceKlass* ik);
-+
-+  void flush_dependent_code(TRAPS);
-+
-+  u8 next_id();
- 
-   static void check_class(InstanceKlass* k_oop, TRAPS);
- 
+   // and in all direct and indirect subclasses.
+   void increment_class_counter(InstanceKlass *ik, TRAPS);
+ 
+-  void flush_dependent_code(InstanceKlass* k_h, TRAPS);
++  void mark_dependent_code(InstanceKlass* ik);
++
++  void flush_dependent_code(TRAPS);
++
++  u8 next_id();
+ 
+   static void check_class(InstanceKlass* k_oop, TRAPS);
+ 
 @@ -181,6 +188,7 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
- 
-   bool allow_nested_vm_operations() const        { return true; }
-   jvmtiError check_error()                       { return _res; }
-+  u8 id()                                        { return _id; }
- 
-   // Modifiable test must be shared between IsModifiableClass query
-   // and redefine implementation
+ 
+   bool allow_nested_vm_operations() const        { return true; }
+   jvmtiError check_error()                       { return _res; }
++  u8 id()                                        { return _id; }
+ 
+   // Modifiable test must be shared between IsModifiableClass query
+   // and redefine implementation
 diff --git a/src/hotspot/share/prims/jvmtiEnv.cpp b/src/hotspot/share/prims/jvmtiEnv.cpp
 index 6d1692949cb..8970d7991b7 100644
 --- a/src/hotspot/share/prims/jvmtiEnv.cpp
@@ -1151,10 +1151,10 @@ index b8d039adff6..3c29eda4da0 100644
  class VerifyResolvedMethod : StackObj {
   public:
 diff --git a/src/hotspot/share/runtime/arguments.cpp b/src/hotspot/share/runtime/arguments.cpp
-index b7bb88e2a46..567803b70b7 100644
+index 2d33448ec8d..9661f2b62b9 100644
 --- a/src/hotspot/share/runtime/arguments.cpp
 +++ b/src/hotspot/share/runtime/arguments.cpp
-@@ -1975,13 +1975,15 @@ bool Arguments::check_gc_consistency() {
+@@ -1979,13 +1979,15 @@ bool Arguments::check_gc_consistency() {
    // of collectors.
    uint i = 0;
    if (UseSerialGC)                       i++;

jb/project/tools/patches/dcevm/0013-dcevm15-add-ClassLoaderDataGraph_lock-on.patch

@@ -1,7 +1,7 @@
-From 9815ee603b27484953651bdc6d5705994a4d38aa Mon Sep 17 00:00:00 2001
+From 2a27d36f5fbb0ebd94da192355f3946138c495bd Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sun, 22 Nov 2020 19:51:46 +0100
-Subject: [PATCH 13/39] dcevm15 - add ClassLoaderDataGraph_lock on
+Subject: [PATCH 13/45] dcevm15 - add ClassLoaderDataGraph_lock on
  ClassLoaderDataGraph::classes_do
 
 ClassLoaderDataGraph::classes_do and need safepoint or lock,
@@ -13,31 +13,31 @@ ClassLoaderDataGraph::rollback_redefinition need safepoint too
  1 file changed, 6 insertions(+), 1 deletion(-)
 
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index efaf11e1666..9f42d14ce98 100644
+index a27c2ff87ae..001d2c782d8 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -1380,7 +1380,9 @@ void VM_EnhancedRedefineClasses::calculate_instance_update_information(Klass* ne
- // Rollback all changes - clear new classes from the system dictionary, return old classes to directory, free memory.
- void VM_EnhancedRedefineClasses::rollback() {
-   log_info(redefine, class, load)("Rolling back redefinition, result=%d", _res);
-+  ClassLoaderDataGraph_lock->lock();
-   ClassLoaderDataGraph::rollback_redefinition();
-+  ClassLoaderDataGraph_lock->unlock();
- 
-   for (int i = 0; i < _new_classes->length(); i++) {
-     SystemDictionary::remove_from_hierarchy(_new_classes->at(i));
+ // Rollback all changes - clear new classes from the system dictionary, return old classes to directory, free memory.
+ void VM_EnhancedRedefineClasses::rollback() {
+   log_info(redefine, class, load)("Rolling back redefinition, result=%d", _res);
++  ClassLoaderDataGraph_lock->lock();
+   ClassLoaderDataGraph::rollback_redefinition();
++  ClassLoaderDataGraph_lock->unlock();
+ 
+   for (int i = 0; i < _new_classes->length(); i++) {
+     SystemDictionary::remove_from_hierarchy(_new_classes->at(i));
 @@ -2063,7 +2065,10 @@ jvmtiError VM_EnhancedRedefineClasses::find_sorted_affected_classes(TRAPS) {
-   AffectedKlassClosure closure(_affected_klasses);
-   // Updated in j10, from original SystemDictionary::classes_do
- 
--  ClassLoaderDataGraph::classes_do(&closure);
-+  {
-+    MutexLocker mcld(ClassLoaderDataGraph_lock);
-+    ClassLoaderDataGraph::classes_do(&closure);
-+  }
-   //ClassLoaderDataGraph::dictionary_classes_do(&closure);
- 
-   log_trace(redefine, class, load)("%d classes affected", _affected_klasses->length());
+   AffectedKlassClosure closure(_affected_klasses);
+   // Updated in j10, from original SystemDictionary::classes_do
+ 
+-  ClassLoaderDataGraph::classes_do(&closure);
++  {
++    MutexLocker mcld(ClassLoaderDataGraph_lock);
++    ClassLoaderDataGraph::classes_do(&closure);
++  }
+   //ClassLoaderDataGraph::dictionary_classes_do(&closure);
+ 
+   log_trace(redefine, class, load)("%d classes affected", _affected_klasses->length());
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0014-dcevm15-fix-Universe-root_oops_do.patch

@@ -1,7 +1,7 @@
-From d3e5f8acd389021128bb8a899bb538294de353f6 Mon Sep 17 00:00:00 2001
+From 09af8da3c8fcb6d97917951673a56696fd7d6a2b Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sun, 22 Nov 2020 12:05:50 +0100
-Subject: [PATCH 14/39] dcevm15 - fix Universe::root_oops_do
+Subject: [PATCH 14/45] dcevm15 - fix Universe::root_oops_do
 
 Removed ClassLoaderDataGraph::cld_do was cause of crashes due multiple
 oop patching. ClassLoaderDataGraph::cld_do replaced in dcevm15

jb/project/tools/patches/dcevm/0015-dcevm15-check-if-has_nestmate_access_to-has-newest-h.patch

@@ -1,7 +1,7 @@
-From 574cddeb00c3d93bddbaf1845a7d9d3ffdced324 Mon Sep 17 00:00:00 2001
+From fc0d2894212fd2186498d3341dddf2f201965686 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sat, 28 Nov 2020 19:29:42 +0100
-Subject: [PATCH 15/39] dcevm15 - check if has_nestmate_access_to has newest
+Subject: [PATCH 15/45] dcevm15 - check if has_nestmate_access_to has newest
  host class
 
 ---
@@ -9,7 +9,7 @@ Subject: [PATCH 15/39] dcevm15 - check if has_nestmate_access_to has newest
  1 file changed, 5 insertions(+)
 
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index ef0091fe288..b4d09e92830 100644
+index c181fe044e2..a8ac12450d7 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -398,6 +398,11 @@ bool InstanceKlass::has_nestmate_access_to(InstanceKlass* k, TRAPS) {

jb/project/tools/patches/dcevm/0016-dcevm15-mark_as_scavengable-only-alive-methods.patch

@@ -1,54 +1,54 @@
-From 983b4aaed2c56a74287b9400ddae4b7d7f3fd715 Mon Sep 17 00:00:00 2001
+From d20a52a5e7a87003da6f3e4bda39ec2976868a75 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sun, 29 Nov 2020 17:18:16 +0100
-Subject: [PATCH 16/39] dcevm15 - mark_as_scavengable only alive methods
+Subject: [PATCH 16/45] dcevm15 - mark_as_scavengable only alive methods
 
 ---
  .../share/prims/jvmtiEnhancedRedefineClasses.cpp   | 14 ++++++++------
  1 file changed, 8 insertions(+), 6 deletions(-)
 
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 9f42d14ce98..db5fb1c472b 100644
+index 001d2c782d8..d742679d199 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -223,19 +223,21 @@ class FieldCopier : public FieldClosure {
- 
- // TODO: review...
- void VM_EnhancedRedefineClasses::mark_as_scavengable(nmethod* nm) {
--  ScavengableNMethods::register_nmethod(nm);
-+  if (nm->is_alive()) {
-+    ScavengableNMethods::register_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()) {
-+  if (nm->is_alive()) {
-     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()) {
-+  if (nm->is_alive()) {
-     Universe::heap()->register_nmethod(nm);
-   }
- }
+ 
+ // TODO: review...
+ void VM_EnhancedRedefineClasses::mark_as_scavengable(nmethod* nm) {
+-  ScavengableNMethods::register_nmethod(nm);
++  if (nm->is_alive()) {
++    ScavengableNMethods::register_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()) {
++  if (nm->is_alive()) {
+     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()) {
++  if (nm->is_alive()) {
+     Universe::heap()->register_nmethod(nm);
+   }
+ }
 @@ -511,9 +513,9 @@ void VM_EnhancedRedefineClasses::doit() {
-     flush_dependent_code(thread);
-   // }
- 
--    // Adjust constantpool caches for all classes that reference methods of the evolved class.
--    ClearCpoolCacheAndUnpatch clear_cpool_cache(thread);
--    ClassLoaderDataGraph::classes_do(&clear_cpool_cache);
-+  // Adjust constantpool caches for all classes that reference methods of the evolved class.
-+  ClearCpoolCacheAndUnpatch clear_cpool_cache(thread);
-+  ClassLoaderDataGraph::classes_do(&clear_cpool_cache);
- 
-   // JSR-292 support
-   if (_any_class_has_resolved_methods) {
+     flush_dependent_code(thread);
+   // }
+ 
+-    // Adjust constantpool caches for all classes that reference methods of the evolved class.
+-    ClearCpoolCacheAndUnpatch clear_cpool_cache(thread);
+-    ClassLoaderDataGraph::classes_do(&clear_cpool_cache);
++  // Adjust constantpool caches for all classes that reference methods of the evolved class.
++  ClearCpoolCacheAndUnpatch clear_cpool_cache(thread);
++  ClassLoaderDataGraph::classes_do(&clear_cpool_cache);
+ 
+   // JSR-292 support
+   if (_any_class_has_resolved_methods) {
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0017-dcevm15-fix-hidded-classes.patch

@@ -1,91 +1,91 @@
-From ed546016ead6064d8b95a9c1e4cdc6bc192f8d67 Mon Sep 17 00:00:00 2001
+From b315e7cd828e79d63562b0296b97795015b644af Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sun, 29 Nov 2020 20:05:03 +0100
-Subject: [PATCH 17/39] dcevm15 - fix hidded classes
+Subject: [PATCH 17/45] dcevm15 - fix hidded classes
 
 ---
  .../prims/jvmtiEnhancedRedefineClasses.cpp    | 41 ++++++++++++++-----
  1 file changed, 30 insertions(+), 11 deletions(-)
 
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index db5fb1c472b..590f7fdfafe 100644
+index d742679d199..1433e429e30 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -722,7 +722,8 @@ bool VM_EnhancedRedefineClasses::is_modifiable_class(oop klass_mirror) {
-   }
- 
-   // Cannot redefine or retransform an anonymous class.
--  if (InstanceKlass::cast(k)->is_unsafe_anonymous()) {
-+  // TODO: check if is correct in j15
-+  if (InstanceKlass::cast(k)->is_unsafe_anonymous() || InstanceKlass::cast(k)->is_hidden()) {
-     return false;
-   }
-   return true;
+   }
+ 
+   // Cannot redefine or retransform an anonymous class.
+-  if (InstanceKlass::cast(k)->is_unsafe_anonymous()) {
++  // TODO: check if is correct in j15
++  if (InstanceKlass::cast(k)->is_unsafe_anonymous() || InstanceKlass::cast(k)->is_hidden()) {
+     return false;
+   }
+   return true;
 @@ -808,21 +809,27 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
- 
-     InstanceKlass* k;
- 
--    if (InstanceKlass::cast(the_class)->is_unsafe_anonymous()) {
--      const InstanceKlass* host_class = the_class->unsafe_anonymous_host();
-+    if (the_class->is_unsafe_anonymous() || the_class->is_hidden()) {
-+      InstanceKlass* dynamic_host_class = NULL;
-+      InstanceKlass* unsafe_anonymous_host = NULL;
- 
--      // Make sure it's the real host class, not another anonymous class.
--      while (host_class != NULL && host_class->is_unsafe_anonymous()) {
--        host_class = host_class->unsafe_anonymous_host();
-+      if (the_class->is_hidden()) {
-+        log_debug(redefine, class, load)("loading hidden class %s", the_class->name()->as_C_string());
-+        dynamic_host_class = the_class->nest_host(THREAD);
-+      }
-+
-+      if (the_class->is_unsafe_anonymous()) {
-+        log_debug(redefine, class, load)("loading usafe anonymous %s", the_class->name()->as_C_string());
-+        unsafe_anonymous_host = the_class->unsafe_anonymous_host();
-       }
- 
-       ClassLoadInfo cl_info(protection_domain,
--                            host_class,
--                            NULL,     // dynamic_nest_host
-+                            unsafe_anonymous_host,
-                             NULL,     // cp_patches
-+                            dynamic_host_class,     // dynamic_nest_host
-                             Handle(), // classData
--                            false,    // is_hidden
--                            false,    // is_strong_hidden
-+                            the_class->is_hidden(),    // is_hidden
-+                            !the_class->is_non_strong_hidden(),    // is_strong_hidden
-                             true);    // FIXME: check if correct. can_access_vm_annotations
- 
-       k = SystemDictionary::parse_stream(the_class_sym,
+ 
+     InstanceKlass* k;
+ 
+-    if (InstanceKlass::cast(the_class)->is_unsafe_anonymous()) {
+-      const InstanceKlass* host_class = the_class->unsafe_anonymous_host();
++    if (the_class->is_unsafe_anonymous() || the_class->is_hidden()) {
++      InstanceKlass* dynamic_host_class = NULL;
++      InstanceKlass* unsafe_anonymous_host = NULL;
+ 
+-      // Make sure it's the real host class, not another anonymous class.
+-      while (host_class != NULL && host_class->is_unsafe_anonymous()) {
+-        host_class = host_class->unsafe_anonymous_host();
++      if (the_class->is_hidden()) {
++        log_debug(redefine, class, load)("loading hidden class %s", the_class->name()->as_C_string());
++        dynamic_host_class = the_class->nest_host(THREAD);
++      }
++
++      if (the_class->is_unsafe_anonymous()) {
++        log_debug(redefine, class, load)("loading usafe anonymous %s", the_class->name()->as_C_string());
++        unsafe_anonymous_host = the_class->unsafe_anonymous_host();
+       }
+ 
+       ClassLoadInfo cl_info(protection_domain,
+-                            host_class,
+-                            NULL,     // dynamic_nest_host
++                            unsafe_anonymous_host,
+                             NULL,     // cp_patches
++                            dynamic_host_class,     // dynamic_nest_host
+                             Handle(), // classData
+-                            false,    // is_hidden
+-                            false,    // is_strong_hidden
++                            the_class->is_hidden(),    // is_hidden
++                            !the_class->is_non_strong_hidden(),    // is_strong_hidden
+                             true);    // FIXME: check if correct. can_access_vm_annotations
+ 
+       k = SystemDictionary::parse_stream(the_class_sym,
 @@ -833,7 +840,17 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
-                                          THREAD);
- 
-       k->class_loader_data()->exchange_holders(the_class->class_loader_data());
--      the_class->class_loader_data()->inc_keep_alive();
-+
-+      if (the_class->is_hidden()) {
-+      // from jvm_lookup_define_class() (jvm.cpp):
-+      // The hidden class loader data has been artificially been kept alive to
-+      // this point. The mirror and any instances of this class have to keep
-+      // it alive afterwards.
-+        the_class->class_loader_data()->dec_keep_alive();
-+      } else {
-+        the_class->class_loader_data()->inc_keep_alive();
-+      }
-+
-     } else {
-       k = SystemDictionary::resolve_from_stream(the_class_sym,
-                                                   the_class_loader,
+                                          THREAD);
+ 
+       k->class_loader_data()->exchange_holders(the_class->class_loader_data());
+-      the_class->class_loader_data()->inc_keep_alive();
++
++      if (the_class->is_hidden()) {
++      // from jvm_lookup_define_class() (jvm.cpp):
++      // The hidden class loader data has been artificially been kept alive to
++      // this point. The mirror and any instances of this class have to keep
++      // it alive afterwards.
++        the_class->class_loader_data()->dec_keep_alive();
++      } else {
++        the_class->class_loader_data()->inc_keep_alive();
++      }
++
+     } else {
+       k = SystemDictionary::resolve_from_stream(the_class_sym,
+                                                   the_class_loader,
 @@ -1475,6 +1492,8 @@ void VM_EnhancedRedefineClasses::ClearCpoolCacheAndUnpatch::do_klass(Klass* k) {
-     ik->set_unsafe_anonymous_host(InstanceKlass::cast(ik->unsafe_anonymous_host()->newest_version()));
-   }
- 
-+  // FIXME: check new nest_host for hidden
-+
-   // Update implementor if there is only one, in this case implementor() can reference old class
-   if (ik->is_interface()) {
-     Klass* implKlass = ik->implementor();
+     ik->set_unsafe_anonymous_host(InstanceKlass::cast(ik->unsafe_anonymous_host()->newest_version()));
+   }
+ 
++  // FIXME: check new nest_host for hidden
++
+   // Update implementor if there is only one, in this case implementor() can reference old class
+   if (ik->is_interface()) {
+     Klass* implKlass = ik->implementor();
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0018-dcevm15-DON-T-clear-F2-in-CP-cache-after-indy-unevol.patch

@@ -1,7 +1,7 @@
-From 9983c44fe6903daba758ed0c43b8c86e738e0741 Mon Sep 17 00:00:00 2001
+From 25d78e62a702ad754c1a3a0136db1453089f008e Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sun, 29 Nov 2020 20:08:57 +0100
-Subject: [PATCH 18/39] dcevm15 - DON'T clear F2 in CP cache after indy
+Subject: [PATCH 18/45] dcevm15 - DON'T clear F2 in CP cache after indy
  unevolving
 
 It's not clear why it was cleared in dcevm7-11

jb/project/tools/patches/dcevm/0019-Cleanup-and-review-comments.patch

@@ -1,7 +1,7 @@
-From 3b09df69c007285ea6c258388532a8e5f9fe3d45 Mon Sep 17 00:00:00 2001
+From b84814b31883b0f5441fca6d77b18c7426d26c36 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sun, 22 Nov 2020 12:03:32 +0100
-Subject: [PATCH 19/39] Cleanup and review comments
+Subject: [PATCH 19/45] Cleanup and review comments
 
 ---
  src/hotspot/share/classfile/classLoaderDataGraph.hpp     | 2 +-
@@ -37,30 +37,30 @@ index 26a2b67b8e9..8e78696bef5 100644
    } else if (os::is_server_class_machine()) {
  #if INCLUDE_G1GC
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 590f7fdfafe..2a7dd35bdd1 100644
+index 1433e429e30..af34d751bdb 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -842,6 +842,7 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
-       k->class_loader_data()->exchange_holders(the_class->class_loader_data());
- 
-       if (the_class->is_hidden()) {
-+      // TODO: (DCEVM) review if is correct
-       // from jvm_lookup_define_class() (jvm.cpp):
-       // The hidden class loader data has been artificially been kept alive to
-       // this point. The mirror and any instances of this class have to keep
+       k->class_loader_data()->exchange_holders(the_class->class_loader_data());
+ 
+       if (the_class->is_hidden()) {
++      // TODO: (DCEVM) review if is correct
+       // from jvm_lookup_define_class() (jvm.cpp):
+       // The hidden class loader data has been artificially been kept alive to
+       // this point. The mirror and any instances of this class have to keep
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index bd5e7d153be..5de375fb888 100644
+index 61f62e7f831..43f1aff8e91 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -78,7 +78,7 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
-   // have any entries.
-   bool _any_class_has_resolved_methods;
- 
--  // Enhanced class redefinition, affected klasses contain all classes which should be redefined
-+  // (DCEVM) Enhanced class redefinition, affected klasses contain all classes which should be redefined
-   // either because of redefine, class hierarchy or interface change
-   GrowableArray<Klass*>*      _affected_klasses;
- 
+   // have any entries.
+   bool _any_class_has_resolved_methods;
+ 
+-  // Enhanced class redefinition, affected klasses contain all classes which should be redefined
++  // (DCEVM) Enhanced class redefinition, affected klasses contain all classes which should be redefined
+   // either because of redefine, class hierarchy or interface change
+   GrowableArray<Klass*>*      _affected_klasses;
+ 
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0020-Disable-AllowEnhancedClassRedefinition-in-flight-rec.patch

@@ -1,7 +1,7 @@
-From 5c41ecc9f48d22b81b3ac610e5655f1a74d25614 Mon Sep 17 00:00:00 2001
+From 9da70fec073a442e9c0aee19a5ec643c1f84cea5 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Fri, 12 Feb 2021 10:11:10 +0100
-Subject: [PATCH 20/39] Disable AllowEnhancedClassRedefinition in flight
+Subject: [PATCH 20/45] Disable AllowEnhancedClassRedefinition in flight
  recorder
 
 ---
@@ -9,10 +9,10 @@ Subject: [PATCH 20/39] Disable AllowEnhancedClassRedefinition in flight
  1 file changed, 7 insertions(+)
 
 diff --git a/src/hotspot/share/runtime/arguments.cpp b/src/hotspot/share/runtime/arguments.cpp
-index 567803b70b7..cbcd8f91c66 100644
+index 9661f2b62b9..252ebbc4e57 100644
 --- a/src/hotspot/share/runtime/arguments.cpp
 +++ b/src/hotspot/share/runtime/arguments.cpp
-@@ -3994,6 +3994,13 @@ jint Arguments::parse(const JavaVMInitArgs* initial_cmd_args) {
+@@ -4027,6 +4027,13 @@ jint Arguments::parse(const JavaVMInitArgs* initial_cmd_args) {
    // Set object alignment values.
    set_object_alignment();
  

jb/project/tools/patches/dcevm/0021-dcevm17-fix-compilation-issues.patch

@@ -1,7 +1,7 @@
-From e560b33cdec3ef0e4ce91714663d3befa87ff4e5 Mon Sep 17 00:00:00 2001
+From 5d065e823c431a80251696c2543f6c98e68f00a6 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Fri, 12 Feb 2021 09:44:28 +0100
-Subject: [PATCH 21/39] dcevm17 - fix compilation issues
+Subject: [PATCH 21/45] dcevm17 - fix compilation issues
 
 ---
  .../share/classfile/classLoaderData.cpp       |   2 +-
@@ -511,7 +511,7 @@ index cb320076a55..4b2211c415e 100644
    static void serialize(SerializeClosure* f);
  
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index b4d09e92830..c2de2bec7d4 100644
+index a8ac12450d7..ab2d7f10f9c 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -1286,7 +1286,7 @@ void InstanceKlass::init_implementor() {
@@ -523,7 +523,7 @@ index b4d09e92830..c2de2bec7d4 100644
    assert(addr != NULL, "null addr");
    if (addr != NULL) {
      *addr = NULL;
-@@ -3816,7 +3816,7 @@ void InstanceKlass::verify_on(outputStream* st) {
+@@ -3828,7 +3828,7 @@ void InstanceKlass::verify_on(outputStream* st) {
  
      guarantee(sib->is_klass(), "should be klass");
      // TODO: (DCEVM) explain
@@ -533,120 +533,120 @@ index b4d09e92830..c2de2bec7d4 100644
  
    // Verify local interfaces
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 2a7dd35bdd1..071dbc6d6ad 100644
+index af34d751bdb..0b1db1581d1 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -26,8 +26,10 @@
- #include "aot/aotLoader.hpp"
- #include "classfile/classFileParser.hpp"
- #include "classfile/classFileStream.hpp"
-+#include "classfile/classLoadInfo.hpp"
- #include "classfile/metadataOnStackMark.hpp"
- #include "classfile/systemDictionary.hpp"
-+#include "classfile/symbolTable.hpp"
- #include "classfile/verifier.hpp"
- #include "classfile/dictionary.hpp"
- #include "classfile/classLoaderDataGraph.hpp"
+ #include "aot/aotLoader.hpp"
+ #include "classfile/classFileParser.hpp"
+ #include "classfile/classFileStream.hpp"
++#include "classfile/classLoadInfo.hpp"
+ #include "classfile/metadataOnStackMark.hpp"
+ #include "classfile/systemDictionary.hpp"
++#include "classfile/symbolTable.hpp"
+ #include "classfile/verifier.hpp"
+ #include "classfile/dictionary.hpp"
+ #include "classfile/classLoaderDataGraph.hpp"
 @@ -198,8 +200,8 @@ class FieldCopier : public FieldClosure {
-     if (found && result.is_static()) {
-       log_trace(redefine, class, obsolete, metadata)("Copying static field value for field %s old_offset=%d new_offset=%d",
-                                                fd->name()->as_C_string(), result.offset(), fd->offset());
--      memcpy(cur_oop->obj_field_addr_raw<HeapWord>(fd->offset()),
--             old_oop->obj_field_addr_raw<HeapWord>(result.offset()),
-+      memcpy(cur_oop->obj_field_addr<HeapWord>(fd->offset()),
-+             old_oop->obj_field_addr<HeapWord>(result.offset()),
-              type2aelembytes(fd->field_type()));
- 
-       // Static fields may have references to java.lang.Class
+     if (found && result.is_static()) {
+       log_trace(redefine, class, obsolete, metadata)("Copying static field value for field %s old_offset=%d new_offset=%d",
+                                                fd->name()->as_C_string(), result.offset(), fd->offset());
+-      memcpy(cur_oop->obj_field_addr_raw<HeapWord>(fd->offset()),
+-             old_oop->obj_field_addr_raw<HeapWord>(result.offset()),
++      memcpy(cur_oop->obj_field_addr<HeapWord>(fd->offset()),
++             old_oop->obj_field_addr<HeapWord>(result.offset()),
+              type2aelembytes(fd->field_type()));
+ 
+       // Static fields may have references to java.lang.Class
 @@ -242,6 +244,17 @@ void VM_EnhancedRedefineClasses::register_nmethod_g1(nmethod* nm) {
-   }
- }
- 
-+void VM_EnhancedRedefineClasses::root_oops_do(OopClosure *oopClosure) {
-+  Universe::vm_global()->oops_do(oopClosure);
-+
-+  Threads::oops_do(oopClosure, NULL);
-+  AOT_ONLY(AOTLoader::oops_do(oopClosure);)
-+  OopStorageSet::strong_oops_do(oopClosure);
-+
-+  CodeBlobToOopClosure blobClosure(oopClosure, CodeBlobToOopClosure::FixRelocations);
-+  CodeCache::blobs_do(&blobClosure);
-+}
-+
- // TODO comment
- struct StoreBarrier {
-   // TODO: j10 review change ::oop_store -> HeapAccess<>::oop_store
+   }
+ }
+ 
++void VM_EnhancedRedefineClasses::root_oops_do(OopClosure *oopClosure) {
++  Universe::vm_global()->oops_do(oopClosure);
++
++  Threads::oops_do(oopClosure, NULL);
++  AOT_ONLY(AOTLoader::oops_do(oopClosure);)
++  OopStorageSet::strong_oops_do(oopClosure);
++
++  CodeBlobToOopClosure blobClosure(oopClosure, CodeBlobToOopClosure::FixRelocations);
++  CodeCache::blobs_do(&blobClosure);
++}
++
+ // TODO comment
+ struct StoreBarrier {
+   // TODO: j10 review change ::oop_store -> HeapAccess<>::oop_store
 @@ -558,7 +571,7 @@ void VM_EnhancedRedefineClasses::doit() {
-       _timer_heap_iterate.stop();
-     }
- 
--    Universe::root_oops_do(&oopClosureNoBarrier);
-+    root_oops_do(&oopClosureNoBarrier);
- 
-     if (UseG1GC) {
-       // this should work also for other GCs
+       _timer_heap_iterate.stop();
+     }
+ 
+-    Universe::root_oops_do(&oopClosureNoBarrier);
++    root_oops_do(&oopClosureNoBarrier);
+ 
+     if (UseG1GC) {
+       // this should work also for other GCs
 @@ -737,8 +750,8 @@ bool VM_EnhancedRedefineClasses::is_modifiable_class(oop klass_mirror) {
- //  - link new classes
- jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
- 
--  _affected_klasses = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<Klass*>(_class_count, true);
--  _new_classes = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<InstanceKlass*>(_class_count, true);
-+  _affected_klasses = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<Klass*>(_class_count);
-+  _new_classes = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<InstanceKlass*>(_class_count);
- 
-   ResourceMark rm(THREAD);
- 
+ //  - link new classes
+ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
+ 
+-  _affected_klasses = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<Klass*>(_class_count, true);
+-  _new_classes = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<InstanceKlass*>(_class_count, true);
++  _affected_klasses = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<Klass*>(_class_count);
++  _new_classes = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<InstanceKlass*>(_class_count);
+ 
+   ResourceMark rm(THREAD);
+ 
 @@ -832,12 +845,12 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
-                             !the_class->is_non_strong_hidden(),    // is_strong_hidden
-                             true);    // FIXME: check if correct. can_access_vm_annotations
- 
--      k = SystemDictionary::parse_stream(the_class_sym,
--                                         the_class_loader,
--                                         &st,
--                                         cl_info,
--                                         the_class,
--                                         THREAD);
-+      k = SystemDictionary::resolve_from_stream(&st,
-+                                                the_class_sym,
-+                                                the_class_loader,
-+                                                cl_info,
-+                                                the_class,
-+                                                THREAD);
- 
-       k->class_loader_data()->exchange_holders(the_class->class_loader_data());
- 
+                             !the_class->is_non_strong_hidden(),    // is_strong_hidden
+                             true);    // FIXME: check if correct. can_access_vm_annotations
+ 
+-      k = SystemDictionary::parse_stream(the_class_sym,
+-                                         the_class_loader,
+-                                         &st,
+-                                         cl_info,
+-                                         the_class,
+-                                         THREAD);
++      k = SystemDictionary::resolve_from_stream(&st,
++                                                the_class_sym,
++                                                the_class_loader,
++                                                cl_info,
++                                                the_class,
++                                                THREAD);
+ 
+       k->class_loader_data()->exchange_holders(the_class->class_loader_data());
+ 
 @@ -853,12 +866,12 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
-       }
- 
-     } else {
--      k = SystemDictionary::resolve_from_stream(the_class_sym,
--                                                  the_class_loader,
--                                                  protection_domain,
--                                                  &st,
--                                                  the_class,
--                                                  THREAD);
-+      k = SystemDictionary::resolve_from_stream(&st,
-+                                                the_class_sym,
-+                                                the_class_loader,
-+                                                protection_domain,
-+                                                the_class,
-+                                                THREAD);
-     }
-     // Clear class_being_redefined just to be sure.
-     state->clear_class_being_redefined();
+       }
+ 
+     } else {
+-      k = SystemDictionary::resolve_from_stream(the_class_sym,
+-                                                  the_class_loader,
+-                                                  protection_domain,
+-                                                  &st,
+-                                                  the_class,
+-                                                  THREAD);
++      k = SystemDictionary::resolve_from_stream(&st,
++                                                the_class_sym,
++                                                the_class_loader,
++                                                protection_domain,
++                                                the_class,
++                                                THREAD);
+     }
+     // Clear class_being_redefined just to be sure.
+     state->clear_class_being_redefined();
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index 5de375fb888..9be70039e32 100644
+index 43f1aff8e91..ae0a15281f3 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -124,6 +124,8 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
-   static void register_nmethod_g1(nmethod* nm);
-   static void unpatch_bytecode(Method* method, TRAPS);
- 
-+  void root_oops_do(OopClosure *oopClosure);
-+
-   // Figure out which new methods match old methods in name and signature,
-   // which methods have been added, and which are no longer present
-   void compute_added_deleted_matching_methods();
+   static void register_nmethod_g1(nmethod* nm);
+   static void unpatch_bytecode(Method* method, TRAPS);
+ 
++  void root_oops_do(OopClosure *oopClosure);
++
+   // Figure out which new methods match old methods in name and signature,
+   // which methods have been added, and which are no longer present
+   void compute_added_deleted_matching_methods();
 diff --git a/src/hotspot/share/prims/resolvedMethodTable.cpp b/src/hotspot/share/prims/resolvedMethodTable.cpp
 index 3c29eda4da0..a1eadc2958a 100644
 --- a/src/hotspot/share/prims/resolvedMethodTable.cpp
@@ -678,10 +678,10 @@ index 3c29eda4da0..a1eadc2958a 100644
        if (_local_table->insert(thread, lookup, wh)) {
          log_insert(method);
 diff --git a/src/hotspot/share/runtime/arguments.hpp b/src/hotspot/share/runtime/arguments.hpp
-index 1b7f8fe9f47..6a8ceb7fa8a 100644
+index 3adc03a6583..b8eb4d0ab24 100644
 --- a/src/hotspot/share/runtime/arguments.hpp
 +++ b/src/hotspot/share/runtime/arguments.hpp
-@@ -482,6 +482,8 @@ class Arguments : AllStatic {
+@@ -487,6 +487,8 @@ class Arguments : AllStatic {
    // Adjusts the arguments after the OS have adjusted the arguments
    static jint adjust_after_os();
  

jb/project/tools/patches/dcevm/0022-Fix-crash-on-GrowableArray-allocation-in-C_HEAP.patch

@@ -1,27 +1,27 @@
-From 6e18ad67981ab5a1bbdac46e1e0c7cc80beb4a5b Mon Sep 17 00:00:00 2001
+From 09f5f22d61675a9f8909e903fa6e6f51507b656c Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Fri, 12 Feb 2021 11:38:48 +0100
-Subject: [PATCH 22/39] Fix crash on GrowableArray allocation in C_HEAP
+Subject: [PATCH 22/45] Fix crash on GrowableArray allocation in C_HEAP
 
 ---
  src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)
 
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 071dbc6d6ad..a5264077bfe 100644
+index 0b1db1581d1..b88c071be13 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -750,8 +750,8 @@ bool VM_EnhancedRedefineClasses::is_modifiable_class(oop klass_mirror) {
- //  - link new classes
- jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
- 
--  _affected_klasses = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<Klass*>(_class_count);
--  _new_classes = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<InstanceKlass*>(_class_count);
-+  _affected_klasses = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<Klass*>(_class_count, mtInternal);
-+  _new_classes = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<InstanceKlass*>(_class_count, mtInternal);
- 
-   ResourceMark rm(THREAD);
- 
+ //  - link new classes
+ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
+ 
+-  _affected_klasses = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<Klass*>(_class_count);
+-  _new_classes = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<InstanceKlass*>(_class_count);
++  _affected_klasses = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<Klass*>(_class_count, mtInternal);
++  _new_classes = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<InstanceKlass*>(_class_count, mtInternal);
+ 
+   ResourceMark rm(THREAD);
+ 
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0023-Rename-confusing-method-name-old_if_redefined-to-old.patch

@@ -1,7 +1,7 @@
-From 96680710816d9cd6e9cd8d5ce6dcbe054a7e53bd Mon Sep 17 00:00:00 2001
+From 90b8572ff42dd5f64a6d2063aab6842bceddcf55 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Fri, 12 Feb 2021 11:39:05 +0100
-Subject: [PATCH 23/39] Rename confusing method name old_if_redefined to
+Subject: [PATCH 23/45] Rename confusing method name old_if_redefined to
  old_if_redefining
 
 ---

jb/project/tools/patches/dcevm/0024-Check-InstanceKlass-has_nestmate_access_to-with-acti.patch

@@ -1,7 +1,7 @@
-From 5d10d789150dfa6f8366dceb7fce3251d725ab8a Mon Sep 17 00:00:00 2001
+From 86f7318e889fcb0d883501b4a70105d087b39482 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Fri, 12 Feb 2021 12:33:47 +0100
-Subject: [PATCH 24/39] Check InstanceKlass::has_nestmate_access_to with active
+Subject: [PATCH 24/45] Check InstanceKlass::has_nestmate_access_to with active
  classes
 
 Dcevm can leave old host in nested class if nested class is not
@@ -11,7 +11,7 @@ redefined together with host class
  1 file changed, 7 insertions(+), 2 deletions(-)
 
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index c2de2bec7d4..3cc96f98f41 100644
+index ab2d7f10f9c..bcb0da6301f 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -398,9 +398,9 @@ bool InstanceKlass::has_nestmate_access_to(InstanceKlass* k, TRAPS) {

jb/project/tools/patches/dcevm/0025-JBR-3111-Update-class-in-all-dictionaries-where-it-w.patch

@@ -1,7 +1,7 @@
-From dac9d7a7d87de680a50be7c2857646323c4c8ffa Mon Sep 17 00:00:00 2001
+From 79ea607bf68161cfcee3a681d14540cffe5589a3 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sat, 13 Feb 2021 20:47:52 +0100
-Subject: [PATCH 25/39] JBR-3111 Update class in all dictionaries where it was
+Subject: [PATCH 25/45] JBR-3111 Update class in all dictionaries where it was
  already defined
 
 This patch keeps compatibility with std redefinition, that does not

jb/project/tools/patches/dcevm/0026-Add-ClassLoaderDataGraph_lock-to-define-new-class-in.patch

@@ -1,7 +1,7 @@
-From f42115a3d488c93a2d163aebd030530f060dcef8 Mon Sep 17 00:00:00 2001
+From 99c65ab84080d35c1ba1df6efd5641ad3ab9e1e8 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sat, 20 Feb 2021 15:47:47 +0100
-Subject: [PATCH 26/39] Add ClassLoaderDataGraph_lock to define new class in
+Subject: [PATCH 26/45] Add ClassLoaderDataGraph_lock to define new class in
  enhanced redefiniton
 
 ClassLoaderDataGraph locking for introduced in redefinition in

jb/project/tools/patches/dcevm/0027-JBR-3140-support-for-modularized-HotswapAgent.patch

@@ -1,7 +1,7 @@
-From 30308e893e43425da166175f5f18f84abf2c6110 Mon Sep 17 00:00:00 2001
+From e7e7920986355d6fd5ad0c333ec780c93583d030 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Thu, 18 Jun 2020 18:40:11 +0200
-Subject: [PATCH 27/39] JBR-3140 - support for modularized HotswapAgent
+Subject: [PATCH 27/45] JBR-3140 - support for modularized HotswapAgent
 
 Add -XX:HotswapAgent=[disabled,fatjar.core]
 ---
@@ -13,10 +13,10 @@ Add -XX:HotswapAgent=[disabled,fatjar.core]
  5 files changed, 102 insertions(+), 2 deletions(-)
 
 diff --git a/src/hotspot/share/runtime/arguments.cpp b/src/hotspot/share/runtime/arguments.cpp
-index cbcd8f91c66..4f9cfde9323 100644
+index 252ebbc4e57..9c6fab8ae4b 100644
 --- a/src/hotspot/share/runtime/arguments.cpp
 +++ b/src/hotspot/share/runtime/arguments.cpp
-@@ -4001,6 +4001,8 @@ jint Arguments::parse(const JavaVMInitArgs* initial_cmd_args) {
+@@ -4034,6 +4034,8 @@ jint Arguments::parse(const JavaVMInitArgs* initial_cmd_args) {
      }
    }
  
@@ -25,7 +25,7 @@ index cbcd8f91c66..4f9cfde9323 100644
  #if !INCLUDE_CDS
    if (DumpSharedSpaces || RequireSharedSpaces) {
      jio_fprintf(defaultStream::error_stream(),
-@@ -4357,3 +4359,78 @@ bool Arguments::copy_expand_pid(const char* src, size_t srclen,
+@@ -4390,3 +4392,78 @@ bool Arguments::copy_expand_pid(const char* src, size_t srclen,
    *b = '\0';
    return (p == src_end); // return false if not all of the source was copied
  }
@@ -105,10 +105,10 @@ index cbcd8f91c66..4f9cfde9323 100644
 +
 +}
 diff --git a/src/hotspot/share/runtime/arguments.hpp b/src/hotspot/share/runtime/arguments.hpp
-index 6a8ceb7fa8a..7669a283375 100644
+index b8eb4d0ab24..a14e11b48ef 100644
 --- a/src/hotspot/share/runtime/arguments.hpp
 +++ b/src/hotspot/share/runtime/arguments.hpp
-@@ -491,6 +491,10 @@ class Arguments : AllStatic {
+@@ -496,6 +496,10 @@ class Arguments : AllStatic {
  
    static size_t conservative_max_heap_alignment() { return _conservative_max_heap_alignment; }
  
@@ -154,7 +154,7 @@ index 8bc3a9a1548..c5f58fd16ee 100644
  RUNTIME_CONSTRAINTS(DECLARE_CONSTRAINT)
  
 diff --git a/src/hotspot/share/runtime/globals.hpp b/src/hotspot/share/runtime/globals.hpp
-index 7051b634a9b..d23e43407e1 100644
+index fb6d1667156..20838a878ce 100644
 --- a/src/hotspot/share/runtime/globals.hpp
 +++ b/src/hotspot/share/runtime/globals.hpp
 @@ -2090,7 +2090,16 @@ const intx ObjectAlignmentInBytes = 8;

jb/project/tools/patches/dcevm/0028-Support-for-redefinition-of-Well-Known-classses-java.patch

@@ -1,7 +1,7 @@
-From 51f0036ff15d39330b787512af9e38d15c748e4b Mon Sep 17 00:00:00 2001
+From 854df9651b358f3a8d89cd8a7d60fed26ca3d1d5 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sun, 7 Mar 2021 20:22:54 +0100
-Subject: [PATCH 28/39] Support for redefinition of Well Known classses
+Subject: [PATCH 28/45] Support for redefinition of Well Known classses
  (java.*,jdk.*, sun.*)
 
 ---
@@ -222,126 +222,126 @@ index 4b2211c415e..4d4c444220e 100644
  
    // Reference pending list manipulation.  Access is protected by
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index a5264077bfe..e00f0e19e20 100644
+index b88c071be13..fb9da134e97 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -55,6 +55,7 @@
- #include "prims/resolvedMethodTable.hpp"
- #include "prims/methodHandles.hpp"
- #include "runtime/deoptimization.hpp"
-+#include "runtime/javaCalls.hpp"
- #include "runtime/jniHandles.inline.hpp"
- #include "runtime/relocator.hpp"
- #include "runtime/fieldDescriptor.hpp"
+ #include "prims/resolvedMethodTable.hpp"
+ #include "prims/methodHandles.hpp"
+ #include "runtime/deoptimization.hpp"
++#include "runtime/javaCalls.hpp"
+ #include "runtime/jniHandles.inline.hpp"
+ #include "runtime/relocator.hpp"
+ #include "runtime/fieldDescriptor.hpp"
 @@ -66,6 +67,7 @@
- #include "gc/g1/g1CollectedHeap.hpp"
- #include "gc/shared/dcevmSharedGC.hpp"
- #include "gc/shared/scavengableNMethods.hpp"
-+#include "gc/shared/oopStorageSet.inline.hpp"
- #include "ci/ciObjectFactory.hpp"
- 
- Array<Method*>* VM_EnhancedRedefineClasses::_old_methods = NULL;
+ #include "gc/g1/g1CollectedHeap.hpp"
+ #include "gc/shared/dcevmSharedGC.hpp"
+ #include "gc/shared/scavengableNMethods.hpp"
++#include "gc/shared/oopStorageSet.inline.hpp"
+ #include "ci/ciObjectFactory.hpp"
+ 
+ Array<Method*>* VM_EnhancedRedefineClasses::_old_methods = NULL;
 @@ -521,6 +523,16 @@ void VM_EnhancedRedefineClasses::doit() {
-     redefine_single_class(_new_classes->at(i), thread);
-   }
- 
-+  // Update possible redefinition of vm classes (like ClassLoader)
-+  for (int i = 0; i < _new_classes->length(); i++) {
-+    InstanceKlass* cur = _new_classes->at(i);
-+    if (cur->old_version() != NULL && vmClasses::update_vm_klass(InstanceKlass::cast(cur->old_version()), cur))
-+    {
-+      log_trace(redefine, class, obsolete, metadata)("Well known class updated %s", cur->external_name());
-+      ciObjectFactory::set_reinitialize_vm_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(thread);
+     redefine_single_class(_new_classes->at(i), thread);
+   }
+ 
++  // Update possible redefinition of vm classes (like ClassLoader)
++  for (int i = 0; i < _new_classes->length(); i++) {
++    InstanceKlass* cur = _new_classes->at(i);
++    if (cur->old_version() != NULL && vmClasses::update_vm_klass(InstanceKlass::cast(cur->old_version()), cur))
++    {
++      log_trace(redefine, class, obsolete, metadata)("Well known class updated %s", cur->external_name());
++      ciObjectFactory::set_reinitialize_vm_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(thread);
 @@ -688,12 +700,56 @@ 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 == vmClasses::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;
-   }
+   _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 == vmClasses::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;
+   }
 @@ -1623,7 +1679,12 @@ 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);
+ 
+       // 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 9be70039e32..673688dff84 100644
+index ae0a15281f3..d0d2f78aa62 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -150,6 +150,8 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
- 
-   u8 next_id();
- 
-+  void reinitializeJDKClasses();
-+
-   static void check_class(InstanceKlass* k_oop, TRAPS);
- 
-   static void dump_methods();
+ 
+   u8 next_id();
+ 
++  void reinitializeJDKClasses();
++
+   static void check_class(InstanceKlass* k_oop, TRAPS);
+ 
+   static void dump_methods();
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0029-Fix-fastdebug-compilation-issues-cast_to_oop.patch

@@ -1,7 +1,7 @@
-From 6cde71e353f823f2df2d0875cd03b656fe060d5c Mon Sep 17 00:00:00 2001
+From 01f4cb9929cad1512d02e20cc7538a29ff0d3ef1 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sat, 15 May 2021 10:31:28 +0200
-Subject: [PATCH 29/39] Fix fastdebug compilation issues - cast_to_oop
+Subject: [PATCH 29/45] Fix fastdebug compilation issues - cast_to_oop
 
 ---
  .../share/gc/g1/g1FullGCCompactTask.cpp       | 12 +++++-----
@@ -243,18 +243,18 @@ index cafa2503ef4..076ce6b0cce 100644
          debug_only(prev_obj = cur_obj);
          cur_obj += size;
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index e00f0e19e20..62477b5ce10 100644
+index fb9da134e97..890382e2029 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -439,7 +439,7 @@ public:
-     int size = o->size();
-     if (_tmp_obj_size < size) {
-       _tmp_obj_size = size;
--      _tmp_obj = (oop)resource_allocate_bytes(size * HeapWordSize);
-+      _tmp_obj = cast_to_oop(resource_allocate_bytes(size * HeapWordSize));
-     }
-     Copy::aligned_disjoint_words(cast_from_oop<HeapWord*>(o), cast_from_oop<HeapWord*>(_tmp_obj), size);
-   }
+     int size = o->size();
+     if (_tmp_obj_size < size) {
+       _tmp_obj_size = size;
+-      _tmp_obj = (oop)resource_allocate_bytes(size * HeapWordSize);
++      _tmp_obj = cast_to_oop(resource_allocate_bytes(size * HeapWordSize));
+     }
+     Copy::aligned_disjoint_words(cast_from_oop<HeapWord*>(o), cast_from_oop<HeapWord*>(_tmp_obj), size);
+   }
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0030-JBR-3458-Skip-dynamic-proxy-classes-based-on-com.sun.patch

@@ -1,7 +1,7 @@
-From 585e2f11d293081db5dc919fa8c13fb5bc7cbc53 Mon Sep 17 00:00:00 2001
+From cac2eac1986ae05e264b2213d0d2658e2f57f07f 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 30/39] JBR-3458: Skip dynamic proxy classes based on
+Subject: [PATCH 30/45] JBR-3458: Skip dynamic proxy classes based on
  com.sun.proxy
 
 ---
@@ -9,19 +9,19 @@ Subject: [PATCH 30/39] JBR-3458: Skip dynamic proxy classes based on
  1 file changed, 2 insertions(+), 1 deletion(-)
 
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 62477b5ce10..7bdbc861c1f 100644
+index 890382e2029..90dfc1ae545 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -707,7 +707,8 @@ 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, "$$") == -1) { // skip dynamic proxies
- 
-         if (cur == vmClasses::ClassLoader_klass()) {
-           // ClassLoader.addClass method is cached in Universe, we must redefine
+     for (int i = 0; i < _new_classes->length(); i++) {
+       InstanceKlass* cur = _new_classes->at(i);
+ 
+-      if (cur->name()->starts_with("java/") || cur->name()->starts_with("jdk/") || cur->name()->starts_with("sun/")) {
++      if ((cur->name()->starts_with("java/") || cur->name()->starts_with("jdk/") || cur->name()->starts_with("sun/"))
++          && cur->name()->index_of_at(0, "$$") == -1) { // skip dynamic proxies
+ 
+         if (cur == vmClasses::ClassLoader_klass()) {
+           // ClassLoader.addClass method is cached in Universe, we must redefine
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0031-JBR-3459-Fix-race-condition-in-ClassLoaderDataGraph-.patch

@@ -1,7 +1,7 @@
-From d4d56b7ad6cd8f73f7485cdc608655c014c55f3c Mon Sep 17 00:00:00 2001
+From 4c87af809d20a12553f155110592a9f230ec0ea5 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 31/39] JBR-3459: Fix race condition in
+Subject: [PATCH 31/45] JBR-3459: Fix race condition in
  ClassLoaderDataGraph::classes_do
 
 InstanceKlass in ClassLoaderData can be uninitialized when
@@ -51,31 +51,31 @@ index ebdb0bc2c8c..da712eaf55f 100644
    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 7bdbc861c1f..4e8e7141e61 100644
+index 90dfc1ae545..10407755457 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -2164,9 +2164,19 @@ jvmtiError VM_EnhancedRedefineClasses::find_sorted_affected_classes(TRAPS) {
- 
-   {
-     MutexLocker mcld(ClassLoaderDataGraph_lock);
--    ClassLoaderDataGraph::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 or hidden 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_or_hidden_classes_do(&closure);
-   }
--  //ClassLoaderDataGraph::dictionary_classes_do(&closure);
- 
-   log_trace(redefine, class, load)("%d classes affected", _affected_klasses->length());
- 
+ 
+   {
+     MutexLocker mcld(ClassLoaderDataGraph_lock);
+-    ClassLoaderDataGraph::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 or hidden 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_or_hidden_classes_do(&closure);
+   }
+-  //ClassLoaderDataGraph::dictionary_classes_do(&closure);
+ 
+   log_trace(redefine, class, load)("%d classes affected", _affected_klasses->length());
+ 
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0032-Fix-compilation-problems.patch

@@ -1,7 +1,7 @@
-From 5356c4dbbcc2564e401fc92b7680b870ee7070ec Mon Sep 17 00:00:00 2001
+From c4941350aa7d3c5df3a20652f640fe446ff00c5c Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sat, 15 May 2021 13:01:25 +0200
-Subject: [PATCH 32/39] Fix compilation problems
+Subject: [PATCH 32/45] Fix compilation problems
 
 ---
  src/hotspot/share/oops/instanceKlass.cpp                 | 2 +-
@@ -9,7 +9,7 @@ Subject: [PATCH 32/39] Fix compilation problems
  2 files changed, 2 insertions(+), 2 deletions(-)
 
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index 3cc96f98f41..c54b6b1bf46 100644
+index bcb0da6301f..c5f37d42a9a 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -978,7 +978,7 @@ bool InstanceKlass::link_class_impl(TRAPS) {
@@ -22,18 +22,18 @@ index 3cc96f98f41..c54b6b1bf46 100644
        }
      }
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 4e8e7141e61..f6bef8262d3 100644
+index 10407755457..e87d4452d31 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -708,7 +708,7 @@ void VM_EnhancedRedefineClasses::reinitializeJDKClasses() {
-       InstanceKlass* cur = _new_classes->at(i);
- 
-       if ((cur->name()->starts_with("java/") || cur->name()->starts_with("jdk/") || cur->name()->starts_with("sun/"))
--          && cur->name()->index_of_at(0, "$$") == -1) { // skip dynamic proxies
-+          && cur->name()->index_of_at(0, "$$", (int) strlen("$$")) == -1) { // skip dynamic proxies
- 
-         if (cur == vmClasses::ClassLoader_klass()) {
-           // ClassLoader.addClass method is cached in Universe, we must redefine
+       InstanceKlass* cur = _new_classes->at(i);
+ 
+       if ((cur->name()->starts_with("java/") || cur->name()->starts_with("jdk/") || cur->name()->starts_with("sun/"))
+-          && cur->name()->index_of_at(0, "$$") == -1) { // skip dynamic proxies
++          && cur->name()->index_of_at(0, "$$", (int) strlen("$$")) == -1) { // skip dynamic proxies
+ 
+         if (cur == vmClasses::ClassLoader_klass()) {
+           // ClassLoader.addClass method is cached in Universe, we must redefine
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0033-Fix-dcevm-issues-related-to-refactorization-of-Threa.patch

@@ -1,7 +1,7 @@
-From 3eb64e8ed65ae214091b55e497d24dff0eb1e353 Mon Sep 17 00:00:00 2001
+From dad40d31ec8a1633189e70eff57ae5fd21544b20 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sun, 20 Jun 2021 19:11:16 +0200
-Subject: [PATCH 33/39] Fix dcevm issues related to refactorization of Thread
+Subject: [PATCH 33/45] Fix dcevm issues related to refactorization of Thread
  to JavaThread
 
 ---
@@ -23,328 +23,328 @@ index 5c058dc43ac..9de28f740ac 100644
  
    {
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index f6bef8262d3..b662976afcb 100644
+index e87d4452d31..0aeeea4e7a4 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -23,7 +23,6 @@
-  */
- 
- #include "precompiled.hpp"
--#include "aot/aotLoader.hpp"
- #include "classfile/classFileParser.hpp"
- #include "classfile/classFileStream.hpp"
- #include "classfile/classLoadInfo.hpp"
+  */
+ 
+ #include "precompiled.hpp"
+-#include "aot/aotLoader.hpp"
+ #include "classfile/classFileParser.hpp"
+ #include "classfile/classFileStream.hpp"
+ #include "classfile/classLoadInfo.hpp"
 @@ -38,7 +37,7 @@
- #include "interpreter/rewriter.hpp"
- #include "logging/logStream.hpp"
- #include "memory/metadataFactory.hpp"
--#include "memory/metaspaceShared.hpp"
-+#include "cds/metaspaceShared.hpp"
- #include "memory/resourceArea.hpp"
- #include "memory/iterator.inline.hpp"
- #include "oops/fieldStreams.hpp"
+ #include "interpreter/rewriter.hpp"
+ #include "logging/logStream.hpp"
+ #include "memory/metadataFactory.hpp"
+-#include "memory/metaspaceShared.hpp"
++#include "cds/metaspaceShared.hpp"
+ #include "memory/resourceArea.hpp"
+ #include "memory/iterator.inline.hpp"
+ #include "oops/fieldStreams.hpp"
 @@ -156,7 +155,7 @@ bool VM_EnhancedRedefineClasses::doit_prologue() {
- 
-   // We first load new class versions in the prologue, because somewhere down the
-   // call chain it is required that the current thread is a Java thread.
--  _res = load_new_class_versions(Thread::current());
-+  _res = load_new_class_versions(JavaThread::current());
- 
-   // prepare GC, lock heap
-   if (_res == JVMTI_ERROR_NONE && !VM_GC_Operation::doit_prologue()) {
+ 
+   // We first load new class versions in the prologue, because somewhere down the
+   // call chain it is required that the current thread is a Java thread.
+-  _res = load_new_class_versions(Thread::current());
++  _res = load_new_class_versions(JavaThread::current());
+ 
+   // prepare GC, lock heap
+   if (_res == JVMTI_ERROR_NONE && !VM_GC_Operation::doit_prologue()) {
 @@ -250,7 +249,6 @@ void VM_EnhancedRedefineClasses::root_oops_do(OopClosure *oopClosure) {
-   Universe::vm_global()->oops_do(oopClosure);
- 
-   Threads::oops_do(oopClosure, NULL);
--  AOT_ONLY(AOTLoader::oops_do(oopClosure);)
-   OopStorageSet::strong_oops_do(oopClosure);
- 
-   CodeBlobToOopClosure blobClosure(oopClosure, CodeBlobToOopClosure::FixRelocations);
+   Universe::vm_global()->oops_do(oopClosure);
+ 
+   Threads::oops_do(oopClosure, NULL);
+-  AOT_ONLY(AOTLoader::oops_do(oopClosure);)
+   OopStorageSet::strong_oops_do(oopClosure);
+ 
+   CodeBlobToOopClosure blobClosure(oopClosure, CodeBlobToOopClosure::FixRelocations);
 @@ -520,7 +518,7 @@ void VM_EnhancedRedefineClasses::doit() {
-                            // before the stack walk again.
- 
-   for (int i = 0; i < _new_classes->length(); i++) {
--    redefine_single_class(_new_classes->at(i), thread);
-+    redefine_single_class(thread, _new_classes->at(i));
-   }
- 
-   // Update possible redefinition of vm classes (like ClassLoader)
+                            // before the stack walk again.
+ 
+   for (int i = 0; i < _new_classes->length(); i++) {
+-    redefine_single_class(_new_classes->at(i), thread);
++    redefine_single_class(thread, _new_classes->at(i));
+   }
+ 
+   // Update possible redefinition of vm classes (like ClassLoader)
 @@ -535,7 +533,7 @@ void VM_EnhancedRedefineClasses::doit() {
- 
-   // 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(thread);
-+    flush_dependent_code();
-   // }
- 
-   // Adjust constantpool caches for all classes that reference methods of the evolved class.
+ 
+   // 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(thread);
++    flush_dependent_code();
+   // }
+ 
+   // Adjust constantpool caches for all classes that reference methods of the evolved class.
 @@ -692,7 +690,7 @@ void VM_EnhancedRedefineClasses::doit() {
-     assert(new_version->super() == NULL || new_version->super()->new_version() == NULL, "Super class must be newest version");
-   }
-   log_trace(redefine, class, obsolete, metadata)("calling check_class");
--  ClassLoaderData::the_null_class_loader_data()->dictionary()->classes_do(check_class, thread);
-+  ClassLoaderData::the_null_class_loader_data()->dictionary()->classes_do(check_class);
- #ifdef PRODUCT
-   }
- #endif
+     assert(new_version->super() == NULL || new_version->super()->new_version() == NULL, "Super class must be newest version");
+   }
+   log_trace(redefine, class, obsolete, metadata)("calling check_class");
+-  ClassLoaderData::the_null_class_loader_data()->dictionary()->classes_do(check_class, thread);
++  ClassLoaderData::the_null_class_loader_data()->dictionary()->classes_do(check_class);
+ #ifdef PRODUCT
+   }
+ #endif
 @@ -702,7 +700,7 @@ void VM_EnhancedRedefineClasses::doit() {
- 
- void VM_EnhancedRedefineClasses::reinitializeJDKClasses() {
-   if (!_new_classes->is_empty()) {
--    ResourceMark rm(Thread::current());
-+    ResourceMark rm(JavaThread::current());
- 
-     for (int i = 0; i < _new_classes->length(); i++) {
-       InstanceKlass* cur = _new_classes->at(i);
+ 
+ void VM_EnhancedRedefineClasses::reinitializeJDKClasses() {
+   if (!_new_classes->is_empty()) {
+-    ResourceMark rm(Thread::current());
++    ResourceMark rm(JavaThread::current());
+ 
+     for (int i = 0; i < _new_classes->length(); i++) {
+       InstanceKlass* cur = _new_classes->at(i);
 @@ -712,7 +710,7 @@ void VM_EnhancedRedefineClasses::reinitializeJDKClasses() {
- 
-         if (cur == vmClasses::ClassLoader_klass()) {
-           // ClassLoader.addClass method is cached in Universe, we must redefine
--          Universe::reinitialize_loader_addClass_method(Thread::current());
-+          Universe::reinitialize_loader_addClass_method(JavaThread::current());
-           log_trace(redefine, class, obsolete, metadata)("Reinitialize ClassLoade addClass method cache.");
-         }
- 
+ 
+         if (cur == vmClasses::ClassLoader_klass()) {
+           // ClassLoader.addClass method is cached in Universe, we must redefine
+-          Universe::reinitialize_loader_addClass_method(Thread::current());
++          Universe::reinitialize_loader_addClass_method(JavaThread::current());
+           log_trace(redefine, class, obsolete, metadata)("Reinitialize ClassLoade addClass method cache.");
+         }
+ 
 @@ -735,7 +733,7 @@ void VM_EnhancedRedefineClasses::reinitializeJDKClasses() {
-                                   cur,
-                                   signature,
-                                   vmSymbols::void_method_signature(),
--                                  Thread::current());
-+                                  JavaThread::current());
-           log_trace(redefine, class, obsolete, metadata)("Reregister natives of JDK class %s", cur->external_name());
-         }
-       }
+                                   cur,
+                                   signature,
+                                   vmSymbols::void_method_signature(),
+-                                  Thread::current());
++                                  JavaThread::current());
+           log_trace(redefine, class, obsolete, metadata)("Reregister natives of JDK class %s", cur->external_name());
+         }
+       }
 @@ -793,7 +791,7 @@ bool VM_EnhancedRedefineClasses::is_modifiable_class(oop klass_mirror) {
- 
-   // Cannot redefine or retransform an anonymous class.
-   // TODO: check if is correct in j15
--  if (InstanceKlass::cast(k)->is_unsafe_anonymous() || InstanceKlass::cast(k)->is_hidden()) {
-+  if (InstanceKlass::cast(k)->is_hidden()) {
-     return false;
-   }
-   return true;
+ 
+   // Cannot redefine or retransform an anonymous class.
+   // TODO: check if is correct in j15
+-  if (InstanceKlass::cast(k)->is_unsafe_anonymous() || InstanceKlass::cast(k)->is_hidden()) {
++  if (InstanceKlass::cast(k)->is_hidden()) {
+     return false;
+   }
+   return true;
 @@ -879,23 +877,15 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
- 
-     InstanceKlass* k;
- 
--    if (the_class->is_unsafe_anonymous() || the_class->is_hidden()) {
-+    if (the_class->is_hidden()) {
-       InstanceKlass* dynamic_host_class = NULL;
--      InstanceKlass* unsafe_anonymous_host = NULL;
- 
-       if (the_class->is_hidden()) {
-         log_debug(redefine, class, load)("loading hidden class %s", the_class->name()->as_C_string());
-         dynamic_host_class = the_class->nest_host(THREAD);
-       }
- 
--      if (the_class->is_unsafe_anonymous()) {
--        log_debug(redefine, class, load)("loading usafe anonymous %s", the_class->name()->as_C_string());
--        unsafe_anonymous_host = the_class->unsafe_anonymous_host();
--      }
--
-       ClassLoadInfo cl_info(protection_domain,
--                            unsafe_anonymous_host,
--                            NULL,     // cp_patches
-                             dynamic_host_class,     // dynamic_nest_host
-                             Handle(), // classData
-                             the_class->is_hidden(),    // is_hidden
+ 
+     InstanceKlass* k;
+ 
+-    if (the_class->is_unsafe_anonymous() || the_class->is_hidden()) {
++    if (the_class->is_hidden()) {
+       InstanceKlass* dynamic_host_class = NULL;
+-      InstanceKlass* unsafe_anonymous_host = NULL;
+ 
+       if (the_class->is_hidden()) {
+         log_debug(redefine, class, load)("loading hidden class %s", the_class->name()->as_C_string());
+         dynamic_host_class = the_class->nest_host(THREAD);
+       }
+ 
+-      if (the_class->is_unsafe_anonymous()) {
+-        log_debug(redefine, class, load)("loading usafe anonymous %s", the_class->name()->as_C_string());
+-        unsafe_anonymous_host = the_class->unsafe_anonymous_host();
+-      }
+-
+       ClassLoadInfo cl_info(protection_domain,
+-                            unsafe_anonymous_host,
+-                            NULL,     // cp_patches
+                             dynamic_host_class,     // dynamic_nest_host
+                             Handle(), // classData
+                             the_class->is_hidden(),    // is_hidden
 @@ -1143,7 +1133,7 @@ int VM_EnhancedRedefineClasses::calculate_redefinition_flags(InstanceKlass* new_
-   Array<Method*>* k_new_methods(new_class->methods());
-   int n_old_methods = k_old_methods->length();
-   int n_new_methods = k_new_methods->length();
--  Thread* thread = Thread::current();
-+  JavaThread* thread = JavaThread::current();
- 
-   int ni = 0;
-   int oi = 0;
+   Array<Method*>* k_new_methods(new_class->methods());
+   int n_old_methods = k_old_methods->length();
+   int n_new_methods = k_new_methods->length();
+-  Thread* thread = Thread::current();
++  JavaThread* thread = JavaThread::current();
+ 
+   int ni = 0;
+   int oi = 0;
 @@ -1491,8 +1481,8 @@ void VM_EnhancedRedefineClasses::rollback() {
- // Rewrite faster byte-codes back to their slower equivalent. Undoes rewriting happening in templateTable_xxx.cpp
- // The reason is that once we zero cpool caches, we need to re-resolve all entries again. Faster bytecodes do not
- // do that, they assume that cache entry is resolved already.
--void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method, TRAPS) {
--  RawBytecodeStream bcs(methodHandle(THREAD, method));
-+void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method) {
-+  RawBytecodeStream bcs(methodHandle(Thread::current(), method));
-   Bytecodes::Code code;
-   Bytecodes::Code java_code;
-   while (!bcs.is_last_bytecode()) {
+ // Rewrite faster byte-codes back to their slower equivalent. Undoes rewriting happening in templateTable_xxx.cpp
+ // The reason is that once we zero cpool caches, we need to re-resolve all entries again. Faster bytecodes do not
+ // do that, they assume that cache entry is resolved already.
+-void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method, TRAPS) {
+-  RawBytecodeStream bcs(methodHandle(THREAD, method));
++void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method) {
++  RawBytecodeStream bcs(methodHandle(Thread::current(), method));
+   Bytecodes::Code code;
+   Bytecodes::Code java_code;
+   while (!bcs.is_last_bytecode()) {
 @@ -1535,10 +1525,10 @@ void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method, TRAPS) {
-       assert(code2 == Bytecodes::_fast_igetfield ||
-              code2 == Bytecodes::_fast_agetfield ||
-              code2 == Bytecodes::_fast_fgetfield, "");
--        *(bcp + 1) = Bytecodes::java_code(code2);
--      }
-+      *(bcp + 1) = Bytecodes::java_code(code2);
-     }
-   }
-+}
- 
- // Unevolving classes may point to old methods directly
- // from their constant pool caches, itables, and/or vtables. We
+       assert(code2 == Bytecodes::_fast_igetfield ||
+              code2 == Bytecodes::_fast_agetfield ||
+              code2 == Bytecodes::_fast_fgetfield, "");
+-        *(bcp + 1) = Bytecodes::java_code(code2);
+-      }
++      *(bcp + 1) = Bytecodes::java_code(code2);
+     }
+   }
++}
+ 
+ // Unevolving classes may point to old methods directly
+ // from their constant pool caches, itables, and/or vtables. We
 @@ -1559,9 +1549,11 @@ void VM_EnhancedRedefineClasses::ClearCpoolCacheAndUnpatch::do_klass(Klass* k) {
-   constantPoolHandle other_cp = constantPoolHandle(_thread, ik->constants());
- 
-   // Update host klass of anonymous classes (for example, produced by lambdas) to newest version.
-+  /*
-   if (ik->is_unsafe_anonymous() && ik->unsafe_anonymous_host()->new_version() != NULL) {
-     ik->set_unsafe_anonymous_host(InstanceKlass::cast(ik->unsafe_anonymous_host()->newest_version()));
-   }
-+  */
- 
-   // FIXME: check new nest_host for hidden
- 
+   constantPoolHandle other_cp = constantPoolHandle(_thread, ik->constants());
+ 
+   // Update host klass of anonymous classes (for example, produced by lambdas) to newest version.
++  /*
+   if (ik->is_unsafe_anonymous() && ik->unsafe_anonymous_host()->new_version() != NULL) {
+     ik->set_unsafe_anonymous_host(InstanceKlass::cast(ik->unsafe_anonymous_host()->newest_version()));
+   }
++  */
+ 
+   // FIXME: check new nest_host for hidden
+ 
 @@ -1596,7 +1588,7 @@ void VM_EnhancedRedefineClasses::ClearCpoolCacheAndUnpatch::do_klass(Klass* k) {
- 
-   // If bytecode rewriting is enabled, we also need to unpatch bytecode to force resolution of zeroed entries
-   if (RewriteBytecodes) {
--    ik->methods_do(unpatch_bytecode, _thread);
-+    ik->methods_do(unpatch_bytecode);
-   }
- }
- 
+ 
+   // If bytecode rewriting is enabled, we also need to unpatch bytecode to force resolution of zeroed entries
+   if (RewriteBytecodes) {
+-    ik->methods_do(unpatch_bytecode, _thread);
++    ik->methods_do(unpatch_bytecode);
+   }
+ }
+ 
 @@ -1628,7 +1620,7 @@ void VM_EnhancedRedefineClasses::MethodDataCleaner::do_klass(Klass* k) {
- }
- 
- 
--void VM_EnhancedRedefineClasses::update_jmethod_ids(TRAPS) {
-+void VM_EnhancedRedefineClasses::update_jmethod_ids(Thread* current) {
-   for (int j = 0; j < _matching_methods_length; ++j) {
-     Method* old_method = _matching_old_methods[j];
-     jmethodID jmid = old_method->find_jmethod_id_or_null();
+ }
+ 
+ 
+-void VM_EnhancedRedefineClasses::update_jmethod_ids(TRAPS) {
++void VM_EnhancedRedefineClasses::update_jmethod_ids(Thread* current) {
+   for (int j = 0; j < _matching_methods_length; ++j) {
+     Method* old_method = _matching_old_methods[j];
+     jmethodID jmid = old_method->find_jmethod_id_or_null();
 @@ -1639,10 +1631,10 @@ void VM_EnhancedRedefineClasses::update_jmethod_ids(TRAPS) {
- 
-     if (jmid != NULL) {
-       // There is a jmethodID, change it to point to the new method
--      methodHandle new_method_h(THREAD, _matching_new_methods[j]);
-+      methodHandle new_method_h(current, _matching_new_methods[j]);
- 
-       if (old_method->new_version() == NULL) {
--        methodHandle old_method_h(THREAD, _matching_old_methods[j]);
-+        methodHandle old_method_h(current, _matching_old_methods[j]);
-         jmethodID new_jmethod_id = Method::make_jmethod_id(old_method_h->method_holder()->class_loader_data(), old_method_h());
-         bool result = InstanceKlass::cast(old_method_h->method_holder())->update_jmethod_id(old_method_h(), new_jmethod_id);
-       } else {
+ 
+     if (jmid != NULL) {
+       // There is a jmethodID, change it to point to the new method
+-      methodHandle new_method_h(THREAD, _matching_new_methods[j]);
++      methodHandle new_method_h(current, _matching_new_methods[j]);
+ 
+       if (old_method->new_version() == NULL) {
+-        methodHandle old_method_h(THREAD, _matching_old_methods[j]);
++        methodHandle old_method_h(current, _matching_old_methods[j]);
+         jmethodID new_jmethod_id = Method::make_jmethod_id(old_method_h->method_holder()->class_loader_data(), old_method_h());
+         bool result = InstanceKlass::cast(old_method_h->method_holder())->update_jmethod_id(old_method_h(), new_jmethod_id);
+       } else {
 @@ -1864,7 +1856,7 @@ void VM_EnhancedRedefineClasses::mark_dependent_code(InstanceKlass* ik) {
- // subsequent calls to RedefineClasses need only throw away code
- // that depends on the class.
- //
--void VM_EnhancedRedefineClasses::flush_dependent_code(TRAPS) {
-+void VM_EnhancedRedefineClasses::flush_dependent_code() {
-   assert_locked_or_safepoint(Compile_lock);
- 
-   // All dependencies have been recorded from startup or this is a second or
+ // subsequent calls to RedefineClasses need only throw away code
+ // that depends on the class.
+ //
+-void VM_EnhancedRedefineClasses::flush_dependent_code(TRAPS) {
++void VM_EnhancedRedefineClasses::flush_dependent_code() {
+   assert_locked_or_safepoint(Compile_lock);
+ 
+   // All dependencies have been recorded from startup or this is a second or
 @@ -1959,9 +1951,9 @@ void VM_EnhancedRedefineClasses::compute_added_deleted_matching_methods() {
- //      a helper method to be specified. The interesting parameters
- //      that we would like to pass to the helper method are saved in
- //      static global fields in the VM operation.
--void VM_EnhancedRedefineClasses::redefine_single_class(InstanceKlass* new_class_oop, TRAPS) {
-+void VM_EnhancedRedefineClasses::redefine_single_class(Thread* current, InstanceKlass* new_class_oop) {
- 
--  HandleMark hm(THREAD);   // make sure handles from this call are freed
-+  HandleMark hm(current);   // make sure handles from this call are freed
- 
-   InstanceKlass* new_class = new_class_oop;
-   InstanceKlass* the_class = InstanceKlass::cast(new_class_oop->old_version());
+ //      a helper method to be specified. The interesting parameters
+ //      that we would like to pass to the helper method are saved in
+ //      static global fields in the VM operation.
+-void VM_EnhancedRedefineClasses::redefine_single_class(InstanceKlass* new_class_oop, TRAPS) {
++void VM_EnhancedRedefineClasses::redefine_single_class(Thread* current, InstanceKlass* new_class_oop) {
+ 
+-  HandleMark hm(THREAD);   // make sure handles from this call are freed
++  HandleMark hm(current);   // make sure handles from this call are freed
+ 
+   InstanceKlass* new_class = new_class_oop;
+   InstanceKlass* the_class = InstanceKlass::cast(new_class_oop->old_version());
 @@ -1980,7 +1972,7 @@ void VM_EnhancedRedefineClasses::redefine_single_class(InstanceKlass* new_class_
- 
-   // track number of methods that are EMCP for add_previous_version() call below
-   check_methods_and_mark_as_obsolete();
--  update_jmethod_ids(THREAD);
-+  update_jmethod_ids(current);
- 
-   _any_class_has_resolved_methods = the_class->has_resolved_methods() || _any_class_has_resolved_methods;
- 
+ 
+   // track number of methods that are EMCP for add_previous_version() call below
+   check_methods_and_mark_as_obsolete();
+-  update_jmethod_ids(THREAD);
++  update_jmethod_ids(current);
+ 
+   _any_class_has_resolved_methods = the_class->has_resolved_methods() || _any_class_has_resolved_methods;
+ 
 @@ -2002,14 +1994,14 @@ void VM_EnhancedRedefineClasses::redefine_single_class(InstanceKlass* new_class_
-   */
- 
-   {
--    ResourceMark rm(THREAD);
-+    ResourceMark rm(current);
-     // increment the classRedefinedCount field in the_class and in any
-     // direct and indirect subclasses of the_class
--    increment_class_counter(new_class, THREAD);
-+    increment_class_counter(current, new_class);
-     log_info(redefine, class, load)
-       ("redefined name=%s, count=%d (avail_mem=" UINT64_FORMAT "K)",
-        new_class->external_name(), java_lang_Class::classRedefinedCount(new_class->java_mirror()), os::available_memory() >> 10);
--    Events::log_redefinition(THREAD, "redefined class name=%s, count=%d",
-+    Events::log_redefinition(current, "redefined class name=%s, count=%d",
-                              new_class->external_name(),
-                              java_lang_Class::classRedefinedCount(new_class->java_mirror()));
-   }
+   */
+ 
+   {
+-    ResourceMark rm(THREAD);
++    ResourceMark rm(current);
+     // increment the classRedefinedCount field in the_class and in any
+     // direct and indirect subclasses of the_class
+-    increment_class_counter(new_class, THREAD);
++    increment_class_counter(current, new_class);
+     log_info(redefine, class, load)
+       ("redefined name=%s, count=%d (avail_mem=" UINT64_FORMAT "K)",
+        new_class->external_name(), java_lang_Class::classRedefinedCount(new_class->java_mirror()), os::available_memory() >> 10);
+-    Events::log_redefinition(THREAD, "redefined class name=%s, count=%d",
++    Events::log_redefinition(current, "redefined class name=%s, count=%d",
+                              new_class->external_name(),
+                              java_lang_Class::classRedefinedCount(new_class->java_mirror()));
+   }
 @@ -2018,21 +2010,21 @@ void VM_EnhancedRedefineClasses::redefine_single_class(InstanceKlass* new_class_
- 
- // Increment the classRedefinedCount field in the specific InstanceKlass
- // and in all direct and indirect subclasses.
--void VM_EnhancedRedefineClasses::increment_class_counter(InstanceKlass *ik, TRAPS) {
-+void VM_EnhancedRedefineClasses::increment_class_counter(Thread* current, InstanceKlass *ik) {
-   oop class_mirror = ik->old_version()->java_mirror();
-   Klass* class_oop = java_lang_Class::as_Klass(class_mirror);
-   int new_count = java_lang_Class::classRedefinedCount(class_mirror) + 1;
-   java_lang_Class::set_classRedefinedCount(ik->java_mirror(), new_count);
- }
- 
--void VM_EnhancedRedefineClasses::check_class(InstanceKlass* ik, TRAPS) {
-+void VM_EnhancedRedefineClasses::check_class(InstanceKlass* ik) {
-   if (ik->is_instance_klass() && ik->old_version() != NULL) {
--    HandleMark hm(THREAD);
-+    HandleMark hm(Thread::current());
- 
-     assert(ik->new_version() == NULL, "must be latest version in system dictionary");
- 
-     if (ik->vtable_length() > 0) {
--      ResourceMark rm(THREAD);
-+      ResourceMark rm(Thread::current());
-       assert(ik->vtable().check_no_old_or_obsolete_entries(), "old method found");
-       ik->vtable().verify(tty, true);
-     }
+ 
+ // Increment the classRedefinedCount field in the specific InstanceKlass
+ // and in all direct and indirect subclasses.
+-void VM_EnhancedRedefineClasses::increment_class_counter(InstanceKlass *ik, TRAPS) {
++void VM_EnhancedRedefineClasses::increment_class_counter(Thread* current, InstanceKlass *ik) {
+   oop class_mirror = ik->old_version()->java_mirror();
+   Klass* class_oop = java_lang_Class::as_Klass(class_mirror);
+   int new_count = java_lang_Class::classRedefinedCount(class_mirror) + 1;
+   java_lang_Class::set_classRedefinedCount(ik->java_mirror(), new_count);
+ }
+ 
+-void VM_EnhancedRedefineClasses::check_class(InstanceKlass* ik, TRAPS) {
++void VM_EnhancedRedefineClasses::check_class(InstanceKlass* ik) {
+   if (ik->is_instance_klass() && ik->old_version() != NULL) {
+-    HandleMark hm(THREAD);
++    HandleMark hm(Thread::current());
+ 
+     assert(ik->new_version() == NULL, "must be latest version in system dictionary");
+ 
+     if (ik->vtable_length() > 0) {
+-      ResourceMark rm(THREAD);
++      ResourceMark rm(Thread::current());
+       assert(ik->vtable().check_no_old_or_obsolete_entries(), "old method found");
+       ik->vtable().verify(tty, true);
+     }
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index 673688dff84..378e6f78582 100644
+index d0d2f78aa62..252287a3697 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -122,7 +122,7 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
-   static void mark_as_scavengable(nmethod* nm);
-   static void unregister_nmethod_g1(nmethod* nm);
-   static void register_nmethod_g1(nmethod* nm);
--  static void unpatch_bytecode(Method* method, TRAPS);
-+  static void unpatch_bytecode(Method* method);
- 
-   void root_oops_do(OopClosure *oopClosure);
- 
+   static void mark_as_scavengable(nmethod* nm);
+   static void unregister_nmethod_g1(nmethod* nm);
+   static void register_nmethod_g1(nmethod* nm);
+-  static void unpatch_bytecode(Method* method, TRAPS);
++  static void unpatch_bytecode(Method* method);
+ 
+   void root_oops_do(OopClosure *oopClosure);
+ 
 @@ -131,28 +131,28 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
-   void compute_added_deleted_matching_methods();
- 
-   // Change jmethodIDs to point to the new methods
--  void update_jmethod_ids(TRAPS);
-+  void update_jmethod_ids(Thread* current);
- 
-   // marking methods as old and/or obsolete
-   void check_methods_and_mark_as_obsolete();
-   void transfer_old_native_function_registrations(InstanceKlass* the_class);
- 
-   // Install the redefinition of a class
--  void redefine_single_class(InstanceKlass* new_class_oop, TRAPS);
-+  void redefine_single_class(Thread* current, InstanceKlass* new_class_oop);
- 
-   // Increment the classRedefinedCount field in the specific InstanceKlass
-   // and in all direct and indirect subclasses.
--  void increment_class_counter(InstanceKlass *ik, TRAPS);
-+  void increment_class_counter(Thread* current, InstanceKlass *ik);
- 
-   void mark_dependent_code(InstanceKlass* ik);
- 
--  void flush_dependent_code(TRAPS);
-+  void flush_dependent_code();
- 
-   u8 next_id();
- 
-   void reinitializeJDKClasses();
- 
--  static void check_class(InstanceKlass* k_oop, TRAPS);
-+  static void check_class(InstanceKlass* k_oop);
- 
-   static void dump_methods();
- 
+   void compute_added_deleted_matching_methods();
+ 
+   // Change jmethodIDs to point to the new methods
+-  void update_jmethod_ids(TRAPS);
++  void update_jmethod_ids(Thread* current);
+ 
+   // marking methods as old and/or obsolete
+   void check_methods_and_mark_as_obsolete();
+   void transfer_old_native_function_registrations(InstanceKlass* the_class);
+ 
+   // Install the redefinition of a class
+-  void redefine_single_class(InstanceKlass* new_class_oop, TRAPS);
++  void redefine_single_class(Thread* current, InstanceKlass* new_class_oop);
+ 
+   // Increment the classRedefinedCount field in the specific InstanceKlass
+   // and in all direct and indirect subclasses.
+-  void increment_class_counter(InstanceKlass *ik, TRAPS);
++  void increment_class_counter(Thread* current, InstanceKlass *ik);
+ 
+   void mark_dependent_code(InstanceKlass* ik);
+ 
+-  void flush_dependent_code(TRAPS);
++  void flush_dependent_code();
+ 
+   u8 next_id();
+ 
+   void reinitializeJDKClasses();
+ 
+-  static void check_class(InstanceKlass* k_oop, TRAPS);
++  static void check_class(InstanceKlass* k_oop);
+ 
+   static void dump_methods();
+ 
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0034-Fix-init_method_MemberName-after-Thread-to-JavaThrea.patch

@@ -1,7 +1,7 @@
-From db2d7cd0cd956f297c58baa7500c1440092648bf Mon Sep 17 00:00:00 2001
+From 7fcef1a84c37c568c0afafb8cb22303efda68f0d Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Sun, 20 Jun 2021 19:42:51 +0200
-Subject: [PATCH 34/39] Fix init_method_MemberName after Thread to JavaThread
+Subject: [PATCH 34/45] Fix init_method_MemberName after Thread to JavaThread
  refactorization
 
 ---
@@ -78,7 +78,7 @@ index 9eeb10cc6fd..871eaab7464 100644
    BasicType    result_type() const               { return selected_method()->result_type(); }
    CallKind     call_kind() const                 { return _call_kind; }
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index c54b6b1bf46..8d259451032 100644
+index c5f37d42a9a..9920e7fb25d 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -1643,21 +1643,6 @@ void InstanceKlass::methods_do(void f(Method* method)) {
@@ -116,27 +116,27 @@ index 317a006a4ec..36587031fec 100644
    void array_klasses_do(void f(Klass* k, TRAPS), TRAPS);
  
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index b662976afcb..ff012383872 100644
+index 0aeeea4e7a4..e7f26b7d08e 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -292,8 +292,15 @@ class ChangePointersOopClosure : public BasicOopIterateClosure {
-           // Note: we might set NULL at this point, which should force AbstractMethodError at runtime
-           Thread *thread = Thread::current();
-           CallInfo info(new_method, newest, thread);
--          Handle objHandle(thread, obj);
--          MethodHandles::init_method_MemberName(objHandle, info);
-+          oop resolved_method = ResolvedMethodTable::find_method(info.resolved_method());
-+          if (resolved_method != NULL) {
-+            info.set_resolved_method_name_dcevm(resolved_method, thread);
-+            Handle objHandle(thread, obj);
-+            MethodHandles::init_method_MemberName(objHandle, info);
-+          } else {
-+            assert(0, "Must be resolved");
-+            java_lang_invoke_MemberName::set_method(obj, NULL);
-+          }
-         } else {
-           java_lang_invoke_MemberName::set_method(obj, NULL);
-         }
+           // Note: we might set NULL at this point, which should force AbstractMethodError at runtime
+           Thread *thread = Thread::current();
+           CallInfo info(new_method, newest, thread);
+-          Handle objHandle(thread, obj);
+-          MethodHandles::init_method_MemberName(objHandle, info);
++          oop resolved_method = ResolvedMethodTable::find_method(info.resolved_method());
++          if (resolved_method != NULL) {
++            info.set_resolved_method_name_dcevm(resolved_method, thread);
++            Handle objHandle(thread, obj);
++            MethodHandles::init_method_MemberName(objHandle, info);
++          } else {
++            assert(0, "Must be resolved");
++            java_lang_invoke_MemberName::set_method(obj, NULL);
++          }
+         } else {
+           java_lang_invoke_MemberName::set_method(obj, NULL);
+         }
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0035-Fix-implicit-conversion-of-NULL-constant-to-bool.patch

@@ -1,7 +1,7 @@
-From bfbbae66340a223328542722b299f67c21166c52 Mon Sep 17 00:00:00 2001
+From e16371268f8ba1c752dc61635a09c94e978f5117 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Mon, 21 Jun 2021 20:44:17 +0200
-Subject: [PATCH 35/39] Fix "implicit conversion of NULL constant to 'bool'"
+Subject: [PATCH 35/45] Fix "implicit conversion of NULL constant to 'bool'"
 
 ---
  src/hotspot/share/prims/jvmtiRedefineClasses.cpp | 2 +-

jb/project/tools/patches/dcevm/0036-Fix-pass-SystemDictionary-resolve_from_stream-cl_inf.patch

@@ -1,7 +1,7 @@
-From 5bb6ef0fc266a748232c7c51191deab47d4f3857 Mon Sep 17 00:00:00 2001
+From 4d7390cedc3d06281f6a89f12b469108f11aab42 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Wed, 30 Jun 2021 18:30:00 +0200
-Subject: [PATCH 36/39] Fix, pass SystemDictionary::resolve_from_stream cl_info
+Subject: [PATCH 36/45] Fix, pass SystemDictionary::resolve_from_stream cl_info
  param
 
 ---
@@ -9,27 +9,27 @@ Subject: [PATCH 36/39] Fix, pass SystemDictionary::resolve_from_stream cl_info
  1 file changed, 7 insertions(+), 1 deletion(-)
 
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index ff012383872..cbcb484a290 100644
+index e7f26b7d08e..4d145f30100 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -920,10 +920,16 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {
-       }
- 
-     } else {
-+      ClassLoadInfo cl_info(protection_domain,
-+                            NULL,     // dynamic_nest_host
-+                            Handle(), // classData
-+                            false,    // is_hidden
-+                            !the_class->is_non_strong_hidden(),    // is_strong_hidden
-+                            true);    // FIXME: check if correct. can_access_vm_annotations
-       k = SystemDictionary::resolve_from_stream(&st,
-                                                 the_class_sym,
-                                                 the_class_loader,
--                                                protection_domain,
-+                                                cl_info,
-                                                 the_class,
-                                                 THREAD);
-     }
+       }
+ 
+     } else {
++      ClassLoadInfo cl_info(protection_domain,
++                            NULL,     // dynamic_nest_host
++                            Handle(), // classData
++                            false,    // is_hidden
++                            !the_class->is_non_strong_hidden(),    // is_strong_hidden
++                            true);    // FIXME: check if correct. can_access_vm_annotations
+       k = SystemDictionary::resolve_from_stream(&st,
+                                                 the_class_sym,
+                                                 the_class_loader,
+-                                                protection_domain,
++                                                cl_info,
+                                                 the_class,
+                                                 THREAD);
+     }
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0037-Search-for-affected-classes-in-all-initialized-class.patch

@@ -1,7 +1,7 @@
-From 563e06d1c56cfc3f4e93e3975cd6c2dab8183c98 Mon Sep 17 00:00:00 2001
+From 24fe3ebd655068b819a437af62d40c2ee9ed7171 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Wed, 30 Jun 2021 18:50:38 +0200
-Subject: [PATCH 37/39] Search for affected classes in all initialized classes
+Subject: [PATCH 37/45] Search for affected classes in all initialized classes
  in cld
 
 Fix also case when lambda interface is redefined. Lambda class is
@@ -83,31 +83,31 @@ index da712eaf55f..ff391ec74fc 100644
    static void classes_do(void f(Klass* const));
    static void methods_do(void f(Method*));
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index cbcb484a290..43899ea3d48 100644
+index 4d145f30100..8615806ac98 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -2170,17 +2170,12 @@ jvmtiError VM_EnhancedRedefineClasses::find_sorted_affected_classes(TRAPS) {
-   {
-     MutexLocker mcld(ClassLoaderDataGraph_lock);
- 
--    // 0. we can't use ClassLoaderDataGraph::classes_do since classes can be uninitialized in cld,
--    // fully initialized class is in system dictionary
-+    // We can't use ClassLoaderDataGraph::classes_do since classes can be uninitialized in cld,
-+    // fully initialized class is in system dictionary, but hidden classes are excluded. Therefore
-+    // we use special method iterating over initialized classes only
-     // ClassLoaderDataGraph::classes_do(&closure);
- 
--    // 1. Scan over dictionaries
--    ClassLoaderDataGraph::dictionary_classes_do(&closure);
--
--    // 2. Anonymous or hidden 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_or_hidden_classes_do(&closure);
-+    ClassLoaderDataGraph::initialized_classes_do(&closure);
-   }
- 
-   log_trace(redefine, class, load)("%d classes affected", _affected_klasses->length());
+   {
+     MutexLocker mcld(ClassLoaderDataGraph_lock);
+ 
+-    // 0. we can't use ClassLoaderDataGraph::classes_do since classes can be uninitialized in cld,
+-    // fully initialized class is in system dictionary
++    // We can't use ClassLoaderDataGraph::classes_do since classes can be uninitialized in cld,
++    // fully initialized class is in system dictionary, but hidden classes are excluded. Therefore
++    // we use special method iterating over initialized classes only
+     // ClassLoaderDataGraph::classes_do(&closure);
+ 
+-    // 1. Scan over dictionaries
+-    ClassLoaderDataGraph::dictionary_classes_do(&closure);
+-
+-    // 2. Anonymous or hidden 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_or_hidden_classes_do(&closure);
++    ClassLoaderDataGraph::initialized_classes_do(&closure);
+   }
+ 
+   log_trace(redefine, class, load)("%d classes affected", _affected_klasses->length());
 -- 
 2.23.0
 

jb/project/tools/patches/dcevm/0038-Fix-compilation-issue.patch

@@ -1,7 +1,7 @@
-From acad06204bc4f7e7a89e9a44ded6b9d27082327b Mon Sep 17 00:00:00 2001
+From 3e62ad1914f202d2d3fe907036924e181cd60fcb Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Wed, 30 Jun 2021 18:58:47 +0200
-Subject: [PATCH 38/39] Fix compilation issue
+Subject: [PATCH 38/45] Fix compilation issue
 
 ---
  src/hotspot/share/interpreter/linkResolver.cpp | 4 ++--

jb/project/tools/patches/dcevm/0039-Remove-duplicated-lambdaFormInvokers.cpp.patch

@@ -1,7 +1,7 @@
-From 563465b112da14e8b81ef32eefc06c79015a809b Mon Sep 17 00:00:00 2001
+From 4cfb8eb8caa9b13f54f21cdd34b4d761b2b488cc Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
 Date: Tue, 27 Jul 2021 21:32:51 +0200
-Subject: [PATCH 39/39] Remove duplicated lambdaFormInvokers.cpp
+Subject: [PATCH 39/45] Remove duplicated lambdaFormInvokers.cpp
 
 ---
  .../share/classfile/lambdaFormInvokers.cpp    | 152 ------------------

jb/project/tools/patches/dcevm/0040-JBR-3867-update-keys-of-jvmti-TAG-map-after-redefini.patch

@@ -0,0 +1,222 @@
+From 92651c5d109896613e14792aa96ed5226a797f9b Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
+Date: Sun, 10 Oct 2021 20:25:30 +0200
+Subject: [PATCH 40/45] JBR-3867 - update keys of jvmti TAG map after
+ redefinition
+
+jdwp keeps relation class_ptr->class_ref in jvmti tag. class_ptr is used
+as a tag key, tag value is refnode. There are new class_ptrs after
+redefinition, therefore jdwp redefinition method update all affected
+keys in the tag map.
+---
+ src/hotspot/share/prims/jvmtiExtensions.cpp   | 24 ++++++++++++++
+ .../share/native/libjdwp/VirtualMachineImpl.c | 20 +++++++++++
+ .../share/native/libjdwp/commonRef.c          | 29 ++++++++++++++++
+ .../share/native/libjdwp/commonRef.h          |  2 ++
+ .../share/native/libjdwp/util.c               | 33 +++++++++++++++++++
+ .../share/native/libjdwp/util.h               |  3 ++
+ 6 files changed, 111 insertions(+)
+
+diff --git a/src/hotspot/share/prims/jvmtiExtensions.cpp b/src/hotspot/share/prims/jvmtiExtensions.cpp
+index a3fc430e1d1..ab2e663b95d 100644
+--- a/src/hotspot/share/prims/jvmtiExtensions.cpp
++++ b/src/hotspot/share/prims/jvmtiExtensions.cpp
+@@ -49,6 +49,15 @@ static jvmtiError JNICALL IsClassUnloadingEnabled(const jvmtiEnv* env, ...) {
+   return JVMTI_ERROR_NONE;
+ }
+ 
++// extension function
++static jvmtiError JNICALL IsEnhancedClassRedefinitionEnabled(const jvmtiEnv* env, jboolean* enabled, ...) {
++  if (enabled == NULL) {
++    return JVMTI_ERROR_NULL_POINTER;
++  }
++  *enabled = (jboolean)AllowEnhancedClassRedefinition;
++  return JVMTI_ERROR_NONE;
++}
++
+ // register extension functions and events. In this implementation we
+ // have a single extension function (to prove the API) that tests if class
+ // unloading is enabled or disabled. We also have a single extension event
+@@ -88,6 +97,21 @@ void JvmtiExtensions::register_extensions() {
+     event_params
+   };
+   _ext_events->append(&ext_event);
++
++  static jvmtiParamInfo func_params_enh_redef[] = {
++    { (char*)"IsEnhancedClassRedefinitionEnabled", JVMTI_KIND_OUT,  JVMTI_TYPE_JBOOLEAN, JNI_FALSE }
++
++  };
++  static jvmtiExtensionFunctionInfo ext_func_enh_redef = {
++    (jvmtiExtensionFunction)IsEnhancedClassRedefinitionEnabled,
++    (char*)"com.sun.hotspot.functions.IsEnhancedClassRedefinitionEnabled",
++    (char*)"Tell if enhanced class redefinition is enabled (-noclassgc)",
++    sizeof(func_params_enh_redef)/sizeof(func_params_enh_redef[0]),
++    func_params_enh_redef,
++    0,              // no non-universal errors
++    NULL
++  };
++  _ext_functions->append(&ext_func_enh_redef);
+ }
+ 
+ 
+diff --git a/src/jdk.jdwp.agent/share/native/libjdwp/VirtualMachineImpl.c b/src/jdk.jdwp.agent/share/native/libjdwp/VirtualMachineImpl.c
+index c07bdac2922..7e3070d7d1d 100644
+--- a/src/jdk.jdwp.agent/share/native/libjdwp/VirtualMachineImpl.c
++++ b/src/jdk.jdwp.agent/share/native/libjdwp/VirtualMachineImpl.c
+@@ -477,6 +477,14 @@ redefineClasses(PacketInputStream *in, PacketOutputStream *out)
+     if (ok == JNI_TRUE) {
+         jvmtiError error;
+ 
++        jlong classIds[classCount];
++
++        if (gdata->isEnhancedClassRedefinitionEnabled) {
++            for (i = 0; i < classCount; ++i) {
++              classIds[i] = commonRef_refToID(env, classDefs[i].klass);
++            }
++        }
++
+         error = JVMTI_FUNC_PTR(gdata->jvmti,RedefineClasses)
+                         (gdata->jvmti, classCount, classDefs);
+         if (error != JVMTI_ERROR_NONE) {
+@@ -486,6 +494,18 @@ redefineClasses(PacketInputStream *in, PacketOutputStream *out)
+             for ( i = 0 ; i < classCount; i++ ) {
+                 eventHandler_freeClassBreakpoints(classDefs[i].klass);
+             }
++
++            if (gdata->isEnhancedClassRedefinitionEnabled) {
++                /* Update tags in jvmti to use new classes */
++                for ( i = 0 ; i < classCount; i++ ) {
++                    /* pointer in classIds[i] is updated by advanced redefinition to a new class */
++                    error = commonRef_updateTags(env, classIds[i]);
++                    if (error != JVMTI_ERROR_NONE) {
++                        break;
++                    }
++                }
++            }
++
+         }
+     }
+ 
+diff --git a/src/jdk.jdwp.agent/share/native/libjdwp/commonRef.c b/src/jdk.jdwp.agent/share/native/libjdwp/commonRef.c
+index bc7ddb660bf..f8cb8e36f17 100644
+--- a/src/jdk.jdwp.agent/share/native/libjdwp/commonRef.c
++++ b/src/jdk.jdwp.agent/share/native/libjdwp/commonRef.c
+@@ -712,3 +712,32 @@ commonRef_unlock(void)
+ {
+     debugMonitorExit(gdata->refLock);
+ }
++
++/*
++ * Update JVMTI tags, used from enhanced redefinition
++ */
++jvmtiError
++commonRef_updateTags(JNIEnv *env, jlong id)
++{
++    jvmtiError error;
++
++    error = JVMTI_ERROR_NONE;
++
++    if (id == NULL_OBJECT_ID) {
++        return error;
++    }
++
++    debugMonitorEnter(gdata->refLock); {
++        RefNode *node;
++
++        node = findNodeByID(env, id);
++        if (node != NULL) {
++            error = JVMTI_FUNC_PTR(gdata->jvmti, SetTag)
++                                  (gdata->jvmti, node->ref, ptr_to_jlong(node));
++        } else {
++            printf("Node not found\n");
++        }
++    } debugMonitorExit(gdata->refLock);
++
++    return error;
++}
+diff --git a/src/jdk.jdwp.agent/share/native/libjdwp/commonRef.h b/src/jdk.jdwp.agent/share/native/libjdwp/commonRef.h
+index c3700f8c743..35c77e4adbf 100644
+--- a/src/jdk.jdwp.agent/share/native/libjdwp/commonRef.h
++++ b/src/jdk.jdwp.agent/share/native/libjdwp/commonRef.h
+@@ -43,4 +43,6 @@ void commonRef_compact(void);
+ void commonRef_lock(void);
+ void commonRef_unlock(void);
+ 
++jvmtiError commonRef_updateTags(JNIEnv *env, jlong id);
++
+ #endif
+diff --git a/src/jdk.jdwp.agent/share/native/libjdwp/util.c b/src/jdk.jdwp.agent/share/native/libjdwp/util.c
+index 2403c5273ba..b4a5ad183e0 100644
+--- a/src/jdk.jdwp.agent/share/native/libjdwp/util.c
++++ b/src/jdk.jdwp.agent/share/native/libjdwp/util.c
+@@ -43,6 +43,7 @@ BackendGlobalData *gdata = NULL;
+ static jboolean isInterface(jclass clazz);
+ static jboolean isArrayClass(jclass clazz);
+ static char * getPropertyUTF8(JNIEnv *env, char *propertyName);
++static jboolean isEnhancedClassRedefinitionEnabled(JNIEnv *env);
+ 
+ /* Save an object reference for use later (create a NewGlobalRef) */
+ void
+@@ -285,6 +286,8 @@ util_initialize(JNIEnv *env)
+             }
+         }
+ 
++        gdata->isEnhancedClassRedefinitionEnabled = isEnhancedClassRedefinitionEnabled(env);
++
+     } END_WITH_LOCAL_REFS(env);
+ 
+ }
+@@ -1701,6 +1704,36 @@ getPropertyUTF8(JNIEnv *env, char *propertyName)
+     return value;
+ }
+ 
++static jboolean
++isEnhancedClassRedefinitionEnabled(JNIEnv *env)
++{
++    jvmtiError error;
++    jint count, i;
++    jvmtiExtensionFunctionInfo* ext_funcs;
++
++    error = JVMTI_FUNC_PTR(gdata->jvmti,GetExtensionFunctions)
++                (gdata->jvmti, &count, &ext_funcs);
++    if (error != JVMTI_ERROR_NONE) {
++        return JNI_FALSE;
++    }
++
++    for (i=0; i<count; i++) {
++        if (strcmp(ext_funcs[i].id, (char*)"com.sun.hotspot.functions.IsEnhancedClassRedefinitionEnabled") == 0) {
++            jboolean enabled;
++            error = (*ext_funcs[i].func)(gdata->jvmti, &enabled);
++
++            if (error != JVMTI_ERROR_NONE) {
++                return JNI_FALSE;
++            } else {
++                return enabled;
++            }
++        }
++    }
++
++    return JNI_FALSE;
++}
++
++
+ jboolean
+ isMethodObsolete(jmethodID method)
+ {
+diff --git a/src/jdk.jdwp.agent/share/native/libjdwp/util.h b/src/jdk.jdwp.agent/share/native/libjdwp/util.h
+index f62b5c409f0..6de8f17bb23 100644
+--- a/src/jdk.jdwp.agent/share/native/libjdwp/util.h
++++ b/src/jdk.jdwp.agent/share/native/libjdwp/util.h
+@@ -133,6 +133,9 @@ typedef struct {
+     int           objectsByIDsize;
+     int           objectsByIDcount;
+ 
++    /* true if enhanced class redefinition is enabled */
++    jboolean isEnhancedClassRedefinitionEnabled;
++
+      /* Indication that the agent has been loaded */
+      jboolean isLoaded;
+ 
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0041-JBR-3867-fix-msvc-compilation-issue-with-non-const-a.patch

@@ -0,0 +1,54 @@
+From 7cfd70e1e43bca677b9827a5a7643bb604e6ae38 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
+Date: Mon, 11 Oct 2021 20:22:26 +0200
+Subject: [PATCH 41/45] JBR-3867 - fix msvc compilation issue with non const
+ array on stack
+
+---
+ .../share/native/libjdwp/VirtualMachineImpl.c      | 14 ++++++++++----
+ 1 file changed, 10 insertions(+), 4 deletions(-)
+
+diff --git a/src/jdk.jdwp.agent/share/native/libjdwp/VirtualMachineImpl.c b/src/jdk.jdwp.agent/share/native/libjdwp/VirtualMachineImpl.c
+index 7e3070d7d1d..669fac7cb5b 100644
+--- a/src/jdk.jdwp.agent/share/native/libjdwp/VirtualMachineImpl.c
++++ b/src/jdk.jdwp.agent/share/native/libjdwp/VirtualMachineImpl.c
+@@ -477,11 +477,16 @@ redefineClasses(PacketInputStream *in, PacketOutputStream *out)
+     if (ok == JNI_TRUE) {
+         jvmtiError error;
+ 
+-        jlong classIds[classCount];
++        jlong* classIds = NULL;
+ 
+         if (gdata->isEnhancedClassRedefinitionEnabled) {
+-            for (i = 0; i < classCount; ++i) {
+-              classIds[i] = commonRef_refToID(env, classDefs[i].klass);
++            classIds = jvmtiAllocate(classCount*(int)sizeof(jlong));
++            if (classIds == NULL) {
++                outStream_setError(out, JDWP_ERROR(OUT_OF_MEMORY));
++                return JNI_TRUE;
++            }
++            for (i = 0; i < classCount; i++) {
++                classIds[i] = commonRef_refToID(env, classDefs[i].klass);
+             }
+         }
+ 
+@@ -495,7 +500,7 @@ redefineClasses(PacketInputStream *in, PacketOutputStream *out)
+                 eventHandler_freeClassBreakpoints(classDefs[i].klass);
+             }
+ 
+-            if (gdata->isEnhancedClassRedefinitionEnabled) {
++            if (gdata->isEnhancedClassRedefinitionEnabled && classIds != NULL) {
+                 /* Update tags in jvmti to use new classes */
+                 for ( i = 0 ; i < classCount; i++ ) {
+                     /* pointer in classIds[i] is updated by advanced redefinition to a new class */
+@@ -504,6 +509,7 @@ redefineClasses(PacketInputStream *in, PacketOutputStream *out)
+                         break;
+                     }
+                 }
++                jvmtiDeallocate((void*) classIds);
+             }
+ 
+         }
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0042-Attempt-to-fix-JBR-3887.patch

@@ -0,0 +1,31 @@
+From d41ca807dcf4f192bc730c577acb5d2bff0aa3f7 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
+Date: Tue, 19 Oct 2021 17:02:35 +0200
+Subject: [PATCH 42/45] Attempt to fix JBR-3887
+
+---
+ src/hotspot/share/prims/jvmtiExtensions.cpp | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/prims/jvmtiExtensions.cpp b/src/hotspot/share/prims/jvmtiExtensions.cpp
+index ab2e663b95d..698d32a7228 100644
+--- a/src/hotspot/share/prims/jvmtiExtensions.cpp
++++ b/src/hotspot/share/prims/jvmtiExtensions.cpp
+@@ -50,7 +50,13 @@ static jvmtiError JNICALL IsClassUnloadingEnabled(const jvmtiEnv* env, ...) {
+ }
+ 
+ // extension function
+-static jvmtiError JNICALL IsEnhancedClassRedefinitionEnabled(const jvmtiEnv* env, jboolean* enabled, ...) {
++static jvmtiError JNICALL IsEnhancedClassRedefinitionEnabled(const jvmtiEnv* env, ...) {
++  jboolean* enabled = NULL;
++  va_list ap;
++
++  va_start(ap, env);
++  enabled = va_arg(ap, jboolean *);
++  va_end(ap);
+   if (enabled == NULL) {
+     return JVMTI_ERROR_NULL_POINTER;
+   }
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0043-JBR-3937-Fix-crashes-in-C1-C2-compilers.patch

@@ -0,0 +1,180 @@
+From 91534f381bf08471b7e6e5064d561fb75e2890c6 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
+Date: Mon, 1 Nov 2021 19:00:41 +0100
+Subject: [PATCH 43/45] JBR-3937 Fix crashes in C1/C2 compilers
+
+There is a race condition in enhanced redefinition with C1/C2. Therefore
+the patch stops C1/C2 compilation before redefinition and release after
+redefinition finishing. There is no performance impact since dcevm
+flushes all code cache.
+---
+ src/hotspot/share/compiler/compileBroker.cpp | 38 ++++++++++++++++++--
+ src/hotspot/share/compiler/compileBroker.hpp |  6 ++++
+ src/hotspot/share/prims/jvmtiEnv.cpp         |  7 ++++
+ src/hotspot/share/runtime/mutexLocker.cpp    |  3 ++
+ src/hotspot/share/runtime/mutexLocker.hpp    |  1 +
+ 5 files changed, 53 insertions(+), 2 deletions(-)
+
+diff --git a/src/hotspot/share/compiler/compileBroker.cpp b/src/hotspot/share/compiler/compileBroker.cpp
+index aaf8e4b1f1e..878bc265d2f 100644
+--- a/src/hotspot/share/compiler/compileBroker.cpp
++++ b/src/hotspot/share/compiler/compileBroker.cpp
+@@ -140,6 +140,8 @@ CompileLog** CompileBroker::_compiler2_logs = NULL;
+ // These counters are used to assign an unique ID to each compilation.
+ volatile jint CompileBroker::_compilation_id     = 0;
+ volatile jint CompileBroker::_osr_compilation_id = 0;
++volatile bool CompileBroker::_compilation_stopped = false;
++volatile int CompileBroker::_active_compilations = 0;
+ 
+ // Performance counters
+ PerfCounter* CompileBroker::_perf_total_compilation = NULL;
+@@ -2320,8 +2322,19 @@ void CompileBroker::invoke_compiler_on_method(CompileTask* task) {
+           locker.wait();
+         }
+       }
+-      comp->compile_method(&ci_env, target, osr_bci, true, directive);
+-
++      if (AllowEnhancedClassRedefinition) {
++        {
++          MonitorLocker locker(DcevmCompilation_lock, Mutex::_no_safepoint_check_flag);
++          while (_compilation_stopped) {
++            locker.wait();
++          }
++          Atomic::add(&_active_compilations, 1);
++        }
++        comp->compile_method(&ci_env, target, osr_bci, true, directive);
++        Atomic::sub(&_active_compilations, 1);
++      } else {
++        comp->compile_method(&ci_env, target, osr_bci, true, directive);
++      }
+       /* Repeat compilation without installing code for profiling purposes */
+       int repeat_compilation_count = directive->RepeatCompilationOption;
+       while (repeat_compilation_count > 0) {
+@@ -2329,6 +2342,7 @@ void CompileBroker::invoke_compiler_on_method(CompileTask* task) {
+         comp->compile_method(&ci_env, target, osr_bci, false , directive);
+         repeat_compilation_count--;
+       }
++
+     }
+ 
+     if (!ci_env.failing() && task->code() == NULL) {
+@@ -2942,3 +2956,23 @@ void CompileBroker::print_heapinfo(outputStream* out, const char* function, size
+   }
+   out->print_cr("\n__ CodeHeapStateAnalytics total duration %10.3f seconds _________\n", ts_total.seconds());
+ }
++
++void CompileBroker::stopCompilationBeforeEnhancedRedefinition() {
++  if (AllowEnhancedClassRedefinition) {
++    MonitorLocker locker(DcevmCompilation_lock, Mutex::_no_safepoint_check_flag);
++    _compilation_stopped = true;
++    while (_active_compilations > 0) {
++      VM_ThreadsSuspendJVMTI tsj; // force safepoint to run C1/C2 VM op
++      VMThread::execute(&tsj);
++      locker.wait(10);
++    }
++  }
++}
++
++void CompileBroker::releaseCompilationAfterEnhancedRedefinition() {
++  if (AllowEnhancedClassRedefinition) {
++    MonitorLocker locker(DcevmCompilation_lock, Mutex::_no_safepoint_check_flag);
++    _compilation_stopped = false;
++    locker.notify_all();
++  }
++}
+diff --git a/src/hotspot/share/compiler/compileBroker.hpp b/src/hotspot/share/compiler/compileBroker.hpp
+index 0b721f83121..f146ff5c93d 100644
+--- a/src/hotspot/share/compiler/compileBroker.hpp
++++ b/src/hotspot/share/compiler/compileBroker.hpp
+@@ -175,6 +175,9 @@ class CompileBroker: AllStatic {
+   static volatile jint _compilation_id;
+   static volatile jint _osr_compilation_id;
+ 
++  static volatile bool _compilation_stopped;
++  static volatile int _active_compilations;
++
+   static CompileQueue* _c2_compile_queue;
+   static CompileQueue* _c1_compile_queue;
+ 
+@@ -423,6 +426,9 @@ public:
+   // CodeHeap State Analytics.
+   static void print_info(outputStream *out);
+   static void print_heapinfo(outputStream *out, const char* function, size_t granularity);
++
++  static void stopCompilationBeforeEnhancedRedefinition();
++  static void releaseCompilationAfterEnhancedRedefinition();
+ };
+ 
+ #endif // SHARE_COMPILER_COMPILEBROKER_HPP
+diff --git a/src/hotspot/share/prims/jvmtiEnv.cpp b/src/hotspot/share/prims/jvmtiEnv.cpp
+index 8970d7991b7..9ca8e660197 100644
+--- a/src/hotspot/share/prims/jvmtiEnv.cpp
++++ b/src/hotspot/share/prims/jvmtiEnv.cpp
+@@ -31,6 +31,7 @@
+ #include "classfile/vmClasses.hpp"
+ #include "classfile/vmSymbols.hpp"
+ #include "gc/shared/collectedHeap.hpp"
++#include "compiler/compileBroker.hpp"
+ #include "interpreter/bytecodeStream.hpp"
+ #include "interpreter/interpreter.hpp"
+ #include "jfr/jfrEvents.hpp"
+@@ -458,8 +459,11 @@ JvmtiEnv::RetransformClasses(jint class_count, const jclass* classes) {
+ 
+   if (AllowEnhancedClassRedefinition) {
+     MutexLocker sd_mutex(EnhancedRedefineClasses_lock);
++    // Stop compilation to avoid compilator race condition (crashes) with advanced redefinition
++    CompileBroker::stopCompilationBeforeEnhancedRedefinition();
+     VM_EnhancedRedefineClasses op(class_count, class_definitions, jvmti_class_load_kind_retransform);
+     VMThread::execute(&op);
++    CompileBroker::releaseCompilationAfterEnhancedRedefinition();
+     op_id = op.id();
+     error = (op.check_error());
+   } else {
+@@ -489,8 +493,11 @@ JvmtiEnv::RedefineClasses(jint class_count, const jvmtiClassDefinition* class_de
+ 
+   if (AllowEnhancedClassRedefinition) {
+     MutexLocker sd_mutex(EnhancedRedefineClasses_lock);
++    // Stop compilation to avoid compilator race condition (crashes) with advanced redefinition
++    CompileBroker::stopCompilationBeforeEnhancedRedefinition();
+     VM_EnhancedRedefineClasses op(class_count, class_definitions, jvmti_class_load_kind_redefine);
+     VMThread::execute(&op);
++    CompileBroker::releaseCompilationAfterEnhancedRedefinition();
+     op_id = op.id();
+     error = (op.check_error());
+   } else {
+diff --git a/src/hotspot/share/runtime/mutexLocker.cpp b/src/hotspot/share/runtime/mutexLocker.cpp
+index 83982382e6f..beb36ebc177 100644
+--- a/src/hotspot/share/runtime/mutexLocker.cpp
++++ b/src/hotspot/share/runtime/mutexLocker.cpp
+@@ -84,6 +84,7 @@ Mutex*   Compile_lock                 = NULL;
+ Monitor* MethodCompileQueue_lock      = NULL;
+ Monitor* CompileThread_lock           = NULL;
+ Monitor* Compilation_lock             = NULL;
++Monitor* DcevmCompilation_lock        = NULL;
+ Mutex*   CompileTaskAlloc_lock        = NULL;
+ Mutex*   CompileStatistics_lock       = NULL;
+ Mutex*   DirectivesStack_lock         = NULL;
+@@ -318,6 +319,8 @@ void mutex_init() {
+     def(Compilation_lock           , PaddedMonitor, leaf,        false, _safepoint_check_never);
+   }
+ 
++  def(DcevmCompilation_lock        , PaddedMonitor, nonleaf+1,   false, _safepoint_check_never);
++
+ #if INCLUDE_JFR
+   def(JfrMsg_lock                  , PaddedMonitor, leaf,        true,  _safepoint_check_always);
+   def(JfrBuffer_lock               , PaddedMutex  , leaf,        true,  _safepoint_check_never);
+diff --git a/src/hotspot/share/runtime/mutexLocker.hpp b/src/hotspot/share/runtime/mutexLocker.hpp
+index 65a6366bbfb..4333bd51464 100644
+--- a/src/hotspot/share/runtime/mutexLocker.hpp
++++ b/src/hotspot/share/runtime/mutexLocker.hpp
+@@ -80,6 +80,7 @@ extern Mutex*   Compile_lock;                    // a lock held when Compilation
+ extern Monitor* MethodCompileQueue_lock;         // a lock held when method compilations are enqueued, dequeued
+ extern Monitor* CompileThread_lock;              // a lock held by compile threads during compilation system initialization
+ extern Monitor* Compilation_lock;                // a lock used to pause compilation
++extern Monitor* DcevmCompilation_lock;           // a lock used to pause compilation from dcevm
+ extern Mutex*   CompileTaskAlloc_lock;           // a lock held when CompileTasks are allocated
+ extern Mutex*   CompileStatistics_lock;          // a lock held when updating compilation statistics
+ extern Mutex*   DirectivesStack_lock;            // a lock held when mutating the dirstack and ref counting directives
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0044-G1-fixes-code-cleanup.patch

@@ -0,0 +1,111 @@
+From c45eb681e77d16b7e873c8e4dbd19f98879a102a Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
+Date: Sat, 6 Nov 2021 19:47:08 +0100
+Subject: [PATCH 44/45] G1 fixes, code cleanup
+
+---
+ src/hotspot/share/compiler/compileBroker.cpp             | 2 ++
+ src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp          | 4 +---
+ src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp          | 4 ++++
+ src/hotspot/share/gc/shared/gcConfig.cpp                 | 6 +++---
+ src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp | 3 ++-
+ 5 files changed, 12 insertions(+), 7 deletions(-)
+
+diff --git a/src/hotspot/share/compiler/compileBroker.cpp b/src/hotspot/share/compiler/compileBroker.cpp
+index 878bc265d2f..d8275508f9b 100644
+--- a/src/hotspot/share/compiler/compileBroker.cpp
++++ b/src/hotspot/share/compiler/compileBroker.cpp
+@@ -2958,6 +2958,8 @@ void CompileBroker::print_heapinfo(outputStream* out, const char* function, size
+ }
+ 
+ void CompileBroker::stopCompilationBeforeEnhancedRedefinition() {
++  // There are hard to fix C1/C2 race conditions with dcevm. The easiest solution
++  // is to stop compilation.
+   if (AllowEnhancedClassRedefinition) {
+     MonitorLocker locker(DcevmCompilation_lock, Mutex::_no_safepoint_check_flag);
+     _compilation_stopped = true;
+diff --git a/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp b/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp
+index 765630a9826..c5bffc9bc49 100644
+--- a/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp
++++ b/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp
+@@ -140,7 +140,6 @@ void G1FullGCCompactTask::compact_region_dcevm(HeapRegion* hr, GrowableArray<Hea
+   hr->apply_to_marked_objects(collector()->mark_bitmap(), &compact);
+   // Once all objects have been moved the liveness information
+   // needs be cleared.
+-  collector()->mark_bitmap()->clear_region(hr);
+   if (G1VerifyBitmaps) {
+     collector()->mark_bitmap()->clear_region(hr);
+   }
+@@ -150,8 +149,7 @@ void G1FullGCCompactTask::compact_region_dcevm(HeapRegion* hr, GrowableArray<Hea
+ void G1FullGCCompactTask::serial_compaction_dcevm() {
+   GCTraceTime(Debug, gc, phases) tm("Phase 4: Serial Compaction", collector()->scope()->timer());
+ 
+-  // compact remaining, not parallel compacted rescued oops using serial compact point
+-
++  // Clear allocated resources at compact points now, since all rescued oops are copied to destination.
+   for (uint i = 0; i < collector()->workers(); i++) {
+     G1FullGCCompactionPoint* cp = collector()->compaction_point(i);
+     DcevmSharedGC::clear_rescued_objects_heap(cp->rescued_oops_values());
+diff --git a/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp b/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp
+index 93c066383a1..aa199f57dd7 100644
+--- a/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp
++++ b/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp
+@@ -146,6 +146,9 @@ bool G1FullGCPrepareTask::G1CalculatePointersClosure::should_compact(HeapRegion*
+   if (hr->is_pinned()) {
+     return false;
+   }
++  if (Universe::is_redefining_gc_run()) {
++    return true;
++  }
+   size_t live_words = _collector->live_words(hr->hrm_index());
+   size_t live_words_threshold = _collector->scope()->region_compaction_threshold();
+   // High live ratio region will not be compacted.
+@@ -324,6 +327,7 @@ bool G1FullGCPrepareTask::G1PrepareCompactLiveClosureDcevm::must_rescue(oop old_
+   int new_size = old_obj->size_given_klass(oop(old_obj)->klass()->new_version());
+   int original_size = old_obj->size();
+ 
++  // what if old_obj > new_obj ?
+   bool overlap = (cast_from_oop<HeapWord*>(old_obj) + original_size < cast_from_oop<HeapWord*>(new_obj) + new_size);
+ 
+   return overlap;
+diff --git a/src/hotspot/share/gc/shared/gcConfig.cpp b/src/hotspot/share/gc/shared/gcConfig.cpp
+index 8e78696bef5..f8365f94214 100644
+--- a/src/hotspot/share/gc/shared/gcConfig.cpp
++++ b/src/hotspot/share/gc/shared/gcConfig.cpp
+@@ -96,9 +96,9 @@ void GCConfig::fail_if_non_included_gc_is_selected() {
+ }
+ 
+ void GCConfig::select_gc_ergonomically() {
+-  if (AllowEnhancedClassRedefinition && !UseG1GC) {
+-    // (DCEVM) Enhanced class redefinition only supports serial GC at the moment
+-    FLAG_SET_ERGO(UseSerialGC, true);
++  if (AllowEnhancedClassRedefinition && !UseSerialGC) {
++    // (DCEVM) use G1 as default GC in Enhanced class redefinition
++    FLAG_SET_ERGO(UseG1GC, true);
+   } else if (os::is_server_class_machine()) {
+ #if INCLUDE_G1GC
+     FLAG_SET_ERGO_IF_DEFAULT(UseG1GC, true);
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+index 8615806ac98..32e0fcbe62b 100644
+--- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+@@ -385,7 +385,7 @@ class ChangePointersOopClosure : public BasicOopIterateClosure {
+     bool oop_updated  = false;
+     if (obj->is_instance() && InstanceKlass::cast(obj->klass())->is_mirror_instance_klass()) {
+       Klass* klass = java_lang_Class::as_Klass(obj);
+-      if (klass != NULL && klass->is_instance_klass()) {
++      if (klass != NULL && klass->is_instance_klass() && klass->new_version() != NULL) {
+         assert(obj == InstanceKlass::cast(klass)->java_mirror(), "just checking");
+         if (klass->new_version() != NULL) {
+           obj = InstanceKlass::cast(klass->new_version())->java_mirror();
+@@ -578,6 +578,7 @@ void VM_EnhancedRedefineClasses::doit() {
+       if (log_is_enabled(Info, redefine, class, timer)) {
+         _timer_heap_iterate.start();
+       }
++      // returns after the iteration is finished
+       G1CollectedHeap::heap()->object_par_iterate(&objectClosure);
+       _timer_heap_iterate.stop();
+     } else {
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0045-JBR-3867-fix-dcevm-redefinition-stops-due-the-not-up.patch

@@ -0,0 +1,35 @@
+From bb7c41e91326eaa90e25e02e13a2559adf41ae9e Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <vladimir.dvorak@jetbrains.com>
+Date: Mon, 8 Nov 2021 19:51:41 +0100
+Subject: [PATCH 45/45] JBR-3867 - fix dcevm redefinition stops due the not
+ updated weak oops
+
+Dcevm must update also oops in weak storage using WeakProcessor. Oops
+storage is new concept in java17.
+---
+ src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+index 32e0fcbe62b..35dfc1a66d1 100644
+--- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+@@ -67,6 +67,7 @@
+ #include "gc/shared/dcevmSharedGC.hpp"
+ #include "gc/shared/scavengableNMethods.hpp"
+ #include "gc/shared/oopStorageSet.inline.hpp"
++#include "gc/shared/weakProcessor.hpp"
+ #include "ci/ciObjectFactory.hpp"
+ 
+ Array<Method*>* VM_EnhancedRedefineClasses::_old_methods = NULL;
+@@ -250,6 +251,7 @@ void VM_EnhancedRedefineClasses::root_oops_do(OopClosure *oopClosure) {
+ 
+   Threads::oops_do(oopClosure, NULL);
+   OopStorageSet::strong_oops_do(oopClosure);
++  WeakProcessor::oops_do(oopClosure);
+ 
+   CodeBlobToOopClosure blobClosure(oopClosure, CodeBlobToOopClosure::FixRelocations);
+   CodeCache::blobs_do(&blobClosure);
+-- 
+2.23.0
+

jb/project/tools/test/perfcmp.sh

@@ -0,0 +1,83 @@
+#!/bin/bash -x
+
+usage ()
+{
+echo "Usage: perfcmp.sh [options] <test_results_cur> <test_results_ref> <results> <test_prefix> <noHeaders>"
+echo "Options:"
+echo -e " -h, --help\tdisplay this help"
+echo -e " -tc\tprint teacmity statistic"
+echo -e "test_results_cur - the file with  metrics values for the current measuring"
+echo -e "test_results_ref - the file with metrics values for the reference measuring"
+echo -e "results - results of comaprison"
+echo -e "test_prefix - specifys measuring type, makes sense for enabled -tc, by default no prefixes"
+echo -e "noHeaders - by default 1-st line contains headers"
+echo -e ""
+echo -e "test_results_* files content should be in csv format with header and tab separator:"
+echo -e "The 1-st column is the test name"
+echo -e "The 2-st column is the test value"
+echo -e ""
+echo -e "Example:"
+echo -e "Test           Value"
+echo -e "Testname       51.54"
+}
+
+while [ -n "$1" ]
+do
+case "$1" in
+-h | --help) usage
+exit 1 ;;
+-tc) tc=1
+  shift
+  break  ;;
+*) break;;
+esac
+done
+
+if [[ "$#" < "3" ]]; then
+    echo "Error: Invalid arguments"
+    usage
+    exit 1
+fi
+
+curFile=$1
+refFile=$2
+resFile=$3
+testNamePrefix=$4
+noHeaders=$5
+echo $curFile
+echo $refFile
+echo $resFile
+
+curValues=`cat "$curFile" | cut -f 2 | tr -d '\t'`
+if [ -z noHeaders ]; then
+  curValuesHeader=`echo "$curValues" | head -n +1`_cur
+  header=`cat "$refFile" | head -n +1 | awk -F'\t' -v x=$curValuesHeader '{print "  "$1"\t"$2"_ref\t"x"\tratio"}'`
+  testContent=`paste -d '\t' $refFile <(echo "$curValues") | tail -n +2`
+else
+  testContent=`paste -d '\t' $refFile <(echo "$curValues") | tail -n +1`
+fi
+
+testContent=`echo "$testContent" | awk -F'\t' '{ if ($3>$2+$2*0.1) {print "* "$1"\t"$2"\t"$3"\t"(($2==0)?"-":$3/$2)} else {print "  "$1"\t"$2"\t"$3"\t"(($2==0)?"-":$3/$2)} }'`
+if [ -z noHeaders ]; then
+  echo "$header" > $resFile
+fi
+echo "$testContent" >> $resFile
+cat "$resFile" | tr '\t' ';' | column -t -s ';' | tee $resFile
+
+if [ -z $tc ]; then
+exit 0
+fi
+
+echo "$testContent" 2>&1 | (
+    while read -r s; do
+        testname=`echo "$s" | cut -f 1 | tr -d "[:space:]" |  tr -d "*"`
+        duration=`echo "$s" | cut -f 3`
+        failed=`echo "$s" | cut -c1 | grep -c "*"`
+        echo \#\#teamcity[testStarted name=\'$testNamePrefix$testname\']
+        echo "===>$s"
+        echo \#\#teamcity[buildStatisticValue key=\'$testNamePrefix$testname\' value=\'$duration\']
+        [ $failed -eq 1 ] && echo \#\#teamcity[testFailed name=\'$testNamePrefix$testname\' message=\'$s\']
+        echo \#\#teamcity[testFinished name=\'$testNamePrefix$testname\' duration=\'$duration\']
+        failed=0
+    done
+)

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

@@ -21,6 +21,16 @@
 #   JCEF_PATH - specifies the path to the directory with JCEF binaries.
 #               By default JCEF binaries should be located in ./jcef_win_x64
 
+while getopts ":i?" o; do
+    case "${o}" in
+        i)
+            i="incremental build"
+            INC_BUILD=1
+            ;;
+    esac
+done
+shift $((OPTIND-1))
+
 JBSDK_VERSION=$1
 JDK_BUILD_NUMBER=$2
 build_number=$3
@@ -31,6 +41,21 @@ JCEF_PATH=${JCEF_PATH:=$WORK_DIR/jcef_win_x64}
 
 source jb/project/tools/common/scripts/common.sh
 
+function do_configure {
+  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${build_number} \
+    --with-toolchain-version=$TOOLCHAIN_VERSION \
+    --with-boot-jdk=$BOOT_JDK \
+    --disable-ccache \
+    --enable-cds=yes || do_exit $?
+}
+
 function create_image_bundle {
   __bundle_name=$1
   __arch_name=$2
@@ -75,23 +100,19 @@ case "$bundle_type" in
     ;;
 esac
 
-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${build_number} \
-  --with-toolchain-version=$TOOLCHAIN_VERSION \
-  --with-boot-jdk=$BOOT_JDK \
-  --disable-ccache \
-  --enable-cds=yes || do_exit $?
-
-if [ -z "$bundle_type" ]; then
-  make LOG=info CONF=$RELEASE_NAME clean images test-image || do_exit $?
+if [ -z "$INC_BUILD" ]; then
+  do_configure || do_exit $?
+  if [ -z "$bundle_type" ]; then
+    make LOG=info CONF=$RELEASE_NAME clean images test-image || do_exit $?
+  else
+    make LOG=info CONF=$RELEASE_NAME clean images || do_exit $?
+  fi
 else
-  make LOG=info CONF=$RELEASE_NAME clean images || do_exit $?
+  if [ -z "$bundle_type" ]; then
+    make LOG=info CONF=$RELEASE_NAME images test-image || do_exit $?
+  else
+    make LOG=info CONF=$RELEASE_NAME images || do_exit $?
+  fi
 fi
 
 IMAGES_DIR=build/$RELEASE_NAME/images

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

@@ -42,7 +42,6 @@ function pack_jbr {
 JBRSDK_BUNDLE=jbrsdk
 RELEASE_NAME=windows-x86_64-server-release
 IMAGES_DIR=build/$RELEASE_NAME/images
-JBSDK=$JBRSDK_BASE_NAME-windows-x64-b$build_number
 BASE_DIR=.
 
 if [ "$bundle_type" == "jcef" ] || [ "$bundle_type" == "dcevm" ] || [ "$bundle_type" == "fd" ]; then
@@ -53,7 +52,7 @@ pack_jbr jbr${jbr_name_postfix} jbr
 pack_jbr jbrsdk${jbr_name_postfix} jbrsdk
 
 if [ -z "$bundle_type" ]; then
-  JBRSDK_TEST=$JBRSDK_BASE_NAME-windows-test-x64-b$build_number
+  JBRSDK_TEST=$JBRSDK_BUNDLE-$JBSDK_VERSION-windows-test-x64-b$build_number
   echo Creating $JBRSDK_TEST.tar.gz ...
   /usr/bin/tar -czf $JBRSDK_TEST.tar.gz -C $IMAGES_DIR --exclude='test/jdk/demos' test || do_exit $?
 fi

make/GenerateLinkOptData.gmk

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2016, 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
@@ -88,7 +88,10 @@ $(CLASSLIST_FILE): $(INTERIM_IMAGE_DIR)/bin/java$(EXECUTABLE_SUFFIX) $(CLASSLIST
 	        $(CAT) $(LINK_OPT_DIR)/stderr $(JLI_TRACE_FILE) ; \
 	        exit $$exitcode \
 	    )
-	$(GREP) -v HelloClasslist $@.raw.2 > $@
+	$(GREP) -v HelloClasslist $@.raw.2 > $@.raw.3
+	$(FIXPATH) $(INTERIM_IMAGE_DIR)/bin/java \
+	    -cp $(SUPPORT_OUTPUTDIR)/classlist.jar \
+	    build.tools.classlist.SortClasslist $@.raw.3 > $@
 
 # The jli trace is created by the same recipe as classlist. By declaring these
 # dependencies, make will correctly rebuild both jli trace and classlist

make/JBRApi.gmk

@@ -1,20 +1,80 @@
-include Makefile
-include make/MainSupport.gmk
+#
+# Copyright 2000-2021 JetBrains s.r.o.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 
-.PHONY: jbr-api
+include $(SPEC)
+include MakeBase.gmk
+include JavaCompilation.gmk
 
-ifeq ($(SPEC),)
-  ifneq ($(words $(SPECS)),1)
-	@echo "Error: Multiple build specification files found. Please select one explicitly."
-	@exit 2
-  endif
-  jbr-api:
-	@cd $(topdir)
-	@$(MAKE) $(MFLAGS) $(MAKE_LOG_FLAGS) -r -R -j 1 -f $(topdir)/make/JBRApi.gmk SPEC=$(SPECS) HAS_SPEC=true ACTUAL_TOPDIR=$(topdir) MODULES="$(MODULES)" jbr-api
-else #with SPEC
+JBR_API_ROOT_DIR := $(TOPDIR)/src/jetbrains.api
+JBR_API_GENSRC_TEMPLATES := $(JBR_API_ROOT_DIR)/templates
+JBR_API_SRC_DIR          := $(JBR_API_ROOT_DIR)/src
+JBR_API_OUTPUT_DIR := $(OUTPUTDIR)/jbr-api
+JBR_API_GENSRC_DIR := $(JBR_API_OUTPUT_DIR)/gensrc
+JBR_API_BIN_DIR    := $(JBR_API_OUTPUT_DIR)/bin
+JBR_API_VERSION_PROPERTIES := $(JBR_API_ROOT_DIR)/version.properties
 
-  jbr-api:
-	$(ECHO) "BUILD_DIR=$(OUTPUTDIR)" > $(OUT)
-	$(ECHO) "BOOT_JDK=\"$(BOOT_JDK)\"" >> $(OUT)
+JBR_API_GENSRC_SOURCES := $(call FindFiles, $(JBR_API_GENSRC_TEMPLATES))
+JBR_API_GENSRC_FILES := $(foreach f, $(call FindFiles, $(JBR_API_GENSRC_TEMPLATES)/com), \
+    $(JBR_API_GENSRC_DIR)/$(call RelativePath, $f, $(JBR_API_GENSRC_TEMPLATES)))
+JBR_API_SRC_FILES := $(call FindFiles, $(JBR_API_SRC_DIR))
 
+ifeq ($(JBR_API_JBR_VERSION),)
+  JBR_API_JBR_VERSION := <DEVELOPMENT>
+  JBR_API_FAIL_ON_HASH_MISMATCH := false
+else
+  .PHONY: $(JBR_API_VERSION_PROPERTIES)
+  JBR_API_FAIL_ON_HASH_MISMATCH := true
 endif
+
+ARCHIVE_BUILD_JBR_API_BIN := $(JBR_API_BIN_DIR)
+$(eval $(call SetupJavaCompilation, BUILD_JBR_API, \
+    SMALL_JAVA := true, \
+    COMPILER := bootjdk, \
+    SRC := $(JBR_API_GENSRC_DIR) $(JBR_API_SRC_DIR), \
+    EXTRA_FILES := $(JBR_API_GENSRC_FILES), \
+    BIN := $(JBR_API_BIN_DIR), \
+    JAR := $(JBR_API_OUTPUT_DIR)/jbr-api.jar, \
+))
+
+$(eval $(call SetupJarArchive, BUILD_JBR_API_SOURCES_JAR, \
+    DEPENDENCIES := $(JBR_API_GENSRC_FILES) $(JBR_API_SRC_FILES), \
+    SRCS := $(JBR_API_GENSRC_DIR) $(JBR_API_SRC_DIR), \
+    JAR := $(JBR_API_OUTPUT_DIR)/jbr-api-sources.jar, \
+    SUFFIXES := .java, \
+    BIN := $(JBR_API_BIN_DIR), \
+))
+
+$(JBR_API_GENSRC_FILES): $(JBR_API_GENSRC_SOURCES) $(JBR_API_SRC_FILES) $(JBR_API_VERSION_PROPERTIES)
+	$(ECHO) Generating sources for JBR API
+	$(JAVA_CMD) $(JAVA_FLAGS_SMALL) "$(JBR_API_GENSRC_TEMPLATES)/Gensrc.java" \
+	    "$(TOPDIR)/src" "$(JBR_API_OUTPUT_DIR)" "$(JBR_API_JBR_VERSION)"
+
+jbr-api-check-version: $(JBR_API_GENSRC_FILES) $(JBR_API_SRC_FILES) $(JBR_API_VERSION_PROPERTIES)
+	$(JAVA_CMD) $(JAVA_FLAGS_SMALL) "$(JBR_API_GENSRC_TEMPLATES)/CheckVersion.java" \
+	    "$(JBR_API_ROOT_DIR)" "$(JBR_API_GENSRC_DIR)" "$(JBR_API_FAIL_ON_HASH_MISMATCH)"
+
+jbr-api: $(BUILD_JBR_API) $(BUILD_JBR_API_SOURCES_JAR) jbr-api-check-version
+
+.PHONY: jbr-api jbr-api-check-version
+
+ifneq ($(JBR_API_CONF_FILE),)
+  $(JBR_API_CONF_FILE): $(JBR_API_GENSRC_FILES)
+	$(ECHO) "VERSION=`$(CAT) $(JBR_API_OUTPUT_DIR)/jbr-api.version`" > $(JBR_API_CONF_FILE)
+	$(ECHO) "JAR=$(JBR_API_OUTPUT_DIR)/jbr-api.jar" >> $(JBR_API_CONF_FILE)
+	$(ECHO) "SOURCES_JAR=$(JBR_API_OUTPUT_DIR)/jbr-api-sources.jar" >> $(JBR_API_CONF_FILE)
+  jbr-api: $(JBR_API_CONF_FILE)
+  .PHONY: $(JBR_API_CONF_FILE)
+endif

make/Main.gmk

@@ -324,7 +324,7 @@ $(eval $(call SetupTarget, vscode-project-ccls, \
 # aren't built until after libjava and libjvm are available to link to.
 $(eval $(call SetupTarget, demos-jdk, \
     MAKEFILE := CompileDemos, \
-    DEPS := java.base-libs exploded-image, \
+    DEPS := java.base-libs exploded-image buildtools-jdk, \
 ))
 
 $(eval $(call SetupTarget, test-image-demos-jdk, \
@@ -383,12 +383,12 @@ bootcycle-images:
 
 $(eval $(call SetupTarget, zip-security, \
     MAKEFILE := ZipSecurity, \
-    DEPS := java.base-java java.security.jgss-java java.security.jgss-libs, \
+    DEPS := buildtools-jdk java.base-java java.security.jgss-java java.security.jgss-libs, \
 ))
 
 $(eval $(call SetupTarget, zip-source, \
     MAKEFILE := ZipSource, \
-    DEPS := gensrc, \
+    DEPS := buildtools-jdk gensrc, \
 ))
 
 $(eval $(call SetupTarget, jrtfs-jar, \
@@ -508,13 +508,13 @@ $(eval $(call SetupTarget, docs-jdk-index, \
 $(eval $(call SetupTarget, docs-zip, \
     MAKEFILE := Docs, \
     TARGET := docs-zip, \
-    DEPS :=  docs-jdk, \
+    DEPS :=  docs-jdk buildtools-jdk, \
 ))
 
 $(eval $(call SetupTarget, docs-specs-zip, \
     MAKEFILE := Docs, \
     TARGET := docs-specs-zip, \
-    DEPS := docs-jdk-specs, \
+    DEPS := docs-jdk-specs buildtools-jdk, \
 ))
 
 $(eval $(call SetupTarget, update-build-docs, \
@@ -1325,6 +1325,14 @@ create-main-targets-include:
 	  @$(ECHO) ALL_MAIN_TARGETS := $(sort $(ALL_TARGETS)) > \
 	      $(MAKESUPPORT_OUTPUTDIR)/main-targets.gmk
 
+################################################################################
+# JBR API
+
+$(eval $(call SetupTarget, jbr-api, \
+    MAKEFILE := JBRApi, \
+    TARGET := jbr-api \
+))
+
 ################################################################################
 # Hook to include the corresponding custom file, if present.
 $(eval $(call IncludeCustomExtension, Main-post.gmk))

make/ToolsJdk.gmk

@@ -80,6 +80,8 @@ TOOL_GENERATECACERTS = $(JAVA_SMALL) -cp $(BUILDTOOLS_OUTPUTDIR)/jdk_tools_class
 TOOL_GENERATEEMOJIDATA = $(JAVA_SMALL) -cp $(BUILDTOOLS_OUTPUTDIR)/jdk_tools_classes \
     build.tools.generateemojidata.GenerateEmojiData
 
+TOOL_MAKEZIPREPRODUCIBLE = $(JAVA_SMALL) -cp $(BUILDTOOLS_OUTPUTDIR)/jdk_tools_classes \
+    build.tools.makezipreproducible.MakeZipReproducible
 
 # TODO: There are references to the jdwpgen.jar in jdk/make/netbeans/jdwpgen/build.xml
 # and nbproject/project.properties in the same dir. Needs to be looked at.

make/autoconf/basic.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
@@ -94,11 +94,6 @@ AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
 
   # Locate the directory of this script.
   AUTOCONF_DIR=$TOPDIR/make/autoconf
-
-  # Setup username (for use in adhoc version strings etc)
-  # Outer [ ] to quote m4.
-  [ USERNAME=`$ECHO "$USER" | $TR -d -c '[a-z][A-Z][0-9]'` ]
-  AC_SUBST(USERNAME)
 ])
 
 ###############################################################################

make/autoconf/basic_tools.m4

@@ -356,6 +356,14 @@ AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
   fi
   AC_SUBST(IS_GNU_TIME)
 
+  # Check if it's GNU date
+  check_date=`$DATE --version 2>&1 | $GREP GNU`
+  if test "x$check_date" != x; then
+    IS_GNU_DATE=yes
+  else
+    IS_GNU_DATE=no
+  fi
+
   if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
     UTIL_REQUIRE_PROGS(DSYMUTIL, dsymutil)
     UTIL_REQUIRE_PROGS(MIG, mig)

make/autoconf/flags-other.m4

@@ -89,11 +89,11 @@ AC_DEFUN([FLAGS_SETUP_ASFLAGS],
 
     # Fix linker warning.
     # Code taken from make/autoconf/flags-cflags.m4 and adapted.
-    JVM_BASIC_ASFLAGS+="-DMAC_OS_X_VERSION_MIN_REQUIRED=$MACOSX_VERSION_MIN_NODOTS \
+    JVM_BASIC_ASFLAGS+=" -DMAC_OS_X_VERSION_MIN_REQUIRED=$MACOSX_VERSION_MIN_NODOTS \
         -mmacosx-version-min=$MACOSX_VERSION_MIN"
 
     if test -n "$MACOSX_VERSION_MAX"; then
-        JVM_BASIC_ASFLAGS+="$OS_CFLAGS \
+        JVM_BASIC_ASFLAGS+=" $OS_CFLAGS \
             -DMAC_OS_X_VERSION_MAX_ALLOWED=$MACOSX_VERSION_MAX_NODOTS"
     fi
   fi

make/autoconf/jdk-options.m4

@@ -199,6 +199,12 @@ AC_DEFUN_ONCE([JDKOPT_SETUP_JDK_OPTIONS],
     AC_MSG_ERROR([Copyright year must have a value])
   elif test "x$with_copyright_year" != x; then
     COPYRIGHT_YEAR="$with_copyright_year"
+  elif test "x$SOURCE_DATE_EPOCH" != x; then
+    if test "x$IS_GNU_DATE" = xyes; then
+      COPYRIGHT_YEAR=`date --date=@$SOURCE_DATE_EPOCH +%Y`
+    else
+      COPYRIGHT_YEAR=`date -j -f %s $SOURCE_DATE_EPOCH +%Y`
+    fi
   else
     COPYRIGHT_YEAR=`$DATE +'%Y'`
   fi
@@ -735,7 +741,7 @@ AC_DEFUN_ONCE([JDKOPT_SETUP_REPRODUCIBLE_BUILD],
   if test "x$OPENJDK_BUILD_OS" = xwindows && \
       test "x$ALLOW_ABSOLUTE_PATHS_IN_OUTPUT" = xfalse && \
       test "x$ENABLE_REPRODUCIBLE_BUILD" = xfalse; then
-    AC_MSG_NOTICE([On Windows it is not possible to combine  --disable-reproducible-builds])
+    AC_MSG_NOTICE([On Windows it is not possible to combine  --disable-reproducible-build])
     AC_MSG_NOTICE([with --disable-absolute-paths-in-output.])
     AC_MSG_ERROR([Cannot continue])
   fi

make/autoconf/jdk-version.m4

@@ -69,6 +69,17 @@ AC_DEFUN_ONCE([JDKVER_SETUP_JDK_VERSION_NUMBERS],
   AC_SUBST(JDK_RC_PLATFORM_NAME)
   AC_SUBST(HOTSPOT_VM_DISTRO)
 
+  # Setup username (for use in adhoc version strings etc)
+  AC_ARG_WITH([build-user], [AS_HELP_STRING([--with-build-user],
+      [build username to use in version strings])])
+  if test "x$with_build_user" != x; then
+    USERNAME="$with_build_user"
+  else
+    # Outer [ ] to quote m4.
+    [ USERNAME=`$ECHO "$USER" | $TR -d -c '[a-z][A-Z][0-9]'` ]
+  fi
+  AC_SUBST(USERNAME)
+
   # Set the JDK RC name
   AC_ARG_WITH(jdk-rc-name, [AS_HELP_STRING([--with-jdk-rc-name],
       [Set JDK RC name. This is used for FileDescription and ProductName properties

make/common/ZipArchive.gmk

@@ -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
@@ -26,6 +26,9 @@
 ifndef _ZIP_ARCHIVE_GMK
 _ZIP_ARCHIVE_GMK := 1
 
+# Depends on build tools for MakeZipReproducible
+include ../ToolsJdk.gmk
+
 ifeq (,$(_MAKEBASE_GMK))
   $(error You must include MakeBase.gmk prior to including ZipArchive.gmk)
 endif
@@ -51,6 +54,8 @@ endif
 #   FOLLOW_SYMLINKS - Set to explicitly follow symlinks. Affects performance of
 #                     finding files.
 #   ZIP_OPTIONS extra options to pass to zip
+#   REPRODUCIBLE override ENABLE_REPRODUCIBLE_BUILD (to make zip reproducible or not)
+
 SetupZipArchive = $(NamedParamsMacroTemplate)
 define SetupZipArchiveBody
 
@@ -124,6 +129,10 @@ define SetupZipArchiveBody
     ) \
   )
 
+  ifeq ($$($1_REPRODUCIBLE), )
+    $1_REPRODUCIBLE := $$(ENABLE_REPRODUCIBLE_BUILD)
+  endif
+
   # Use a slightly shorter name for logging, but with enough path to identify this zip.
   $1_NAME:=$$(subst $$(OUTPUTDIR)/,,$$($1_ZIP))
 
@@ -134,6 +143,8 @@ define SetupZipArchiveBody
   # dir is very small.
   # If zip has nothing to do, it returns 12 and would fail the build. Check for 12
   # and only fail if it's not.
+  # For reproducible builds set the zip access & modify times to SOURCE_DATE_EPOCH
+  # by using a ziptmp folder to generate final zip from using MakeZipReproducible.
   $$($1_ZIP) : $$($1_ALL_SRCS) $$($1_EXTRA_DEPS)
 	$$(call LogWarn, Updating $$($1_NAME))
 	$$(call MakeTargetDir)
@@ -163,7 +174,18 @@ define SetupZipArchiveBody
 	        $$($1_ZIP_EXCLUDES_$$s) \
 	        || test "$$$$?" = "12" \
 	    ))$$(NEWLINE) \
-	) true \
+	) true
+        ifeq ($$($1_REPRODUCIBLE), true)
+	    $$(call ExecuteWithLog, \
+		$$(SUPPORT_OUTPUTDIR)/makezipreproducible/$$(patsubst $$(OUTPUTDIR)/%,%, $$@), \
+		($(RM) $$(SUPPORT_OUTPUTDIR)/ziptmp/$1/tmp.zip && \
+		 $(MKDIR) -p $$(SUPPORT_OUTPUTDIR)/ziptmp/$1 && \
+		 $(TOOL_MAKEZIPREPRODUCIBLE) -f $$(SUPPORT_OUTPUTDIR)/ziptmp/$1/tmp.zip \
+			 		     -t $(SOURCE_DATE_EPOCH) $$@ && \
+		 $(RM) $$@ && \
+		 $(MV) $$(SUPPORT_OUTPUTDIR)/ziptmp/$1/tmp.zip $$@ \
+		))
+        endif
 	$(TOUCH) $$@
 
   # Add zip to target list

make/conf/module-loader-map.conf

@@ -55,8 +55,6 @@ BOOT_MODULES= \
     jdk.sctp \
     jdk.unsupported \
     jdk.naming.rmi \
-    jetbrains.api \
-    jetbrains.api.impl \
     #
 
 # Modules that directly or indirectly requiring upgradeable modules

make/conf/version-numbers.conf

@@ -28,12 +28,12 @@
 
 DEFAULT_VERSION_FEATURE=17
 DEFAULT_VERSION_INTERIM=0
-DEFAULT_VERSION_UPDATE=0
+DEFAULT_VERSION_UPDATE=1
 DEFAULT_VERSION_PATCH=0
 DEFAULT_VERSION_EXTRA1=0
 DEFAULT_VERSION_EXTRA2=0
 DEFAULT_VERSION_EXTRA3=0
-DEFAULT_VERSION_DATE=2021-09-14
+DEFAULT_VERSION_DATE=2021-10-19
 DEFAULT_VERSION_CLASSFILE_MAJOR=61  # "`$EXPR $DEFAULT_VERSION_FEATURE + 44`"
 DEFAULT_VERSION_CLASSFILE_MINOR=0
 DEFAULT_VERSION_DOCS_API_SINCE=11

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
-AN+v6ZdQCINXtMxiZfaQguzH0yxrMMpb7NnDfcdAwRgUi+DoM3ZJKuM/IUmTrE4O
-rz5Iy2Xu/NMhD2XSKtkyj4zl93ewEnu1lcCJo6m67XMuegwGMoOifooUMM0RoOEq
-OLl5CjH9UL2AZd+3UWODyOKIYepLYYHsUmu5ouJLGiifSKOeDNoJjj4XLh7dIN9b
-xiqKqy69cK3FCxolkHRyxXtqqzTWMIn/5WgTe1QLyNau7Fqckh49ZLOMxt+/yUFw
-7BZy1SbsOFU5Q9D8/RhcQPGX69Wam40dutolucbY38EVAjqr2m7xPi71XAicPNaD
-aeQQmxkqtilX4+U9m5/wAl0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNV
-HQ8BAf8EBAMCAQYwHQYDVR0OBBYEFMSnsaR7LHH62+FLkHX/xBVghYkQMA0GCSqG
-SIb3DQEBBQUAA4IBAQCjGiybFwBcqR7uKGY3Or+Dxz9LwwmglSBd49lZRNI+DT69
-ikugdB/OEIKcdBodfpga3csTS7MgROSR6cz8faXbauX+5v3gTt23ADq1cEmv8uXr
-AvHRAosZy5Q6XkjEGB5YGV8eAlrwDPGxrancWYaLbumR9YbK+rlmM6pZW87ipxZz
-R8srzJmwN0jP41ZL9c8PDHIyh8bwRLtTcm1D9SZImlJnt1ir/md2cXjbDaJWFBM5
-JDGFoqgCWjBH4d1QB7wCCZAA62RjYJsWvIjJEubSfZGL+T0yjWW06XyxV3bqxbYo
-Ob8VZRzI9neWagqNdwvYkQsEjgfbKbYK7p2CNTUQ
------END CERTIFICATE-----

make/jdk/src/classes/build/tools/classlist/SortClasslist.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 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.
+ */
+
+/**
+ * This application is meant to be run to create a classlist file representing
+ * common use.
+ *
+ * The classlist is produced by adding -XX:DumpLoadedClassList=classlist
+ */
+package build.tools.classlist;
+
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+import java.util.Scanner;
+
+/**
+ * The classlist generated by build.tools.classlist.HelloClasslist
+ * may have non-deterministic contents, affected by Java thread execution order.
+ * SortClasslist sorts the file to make the JDK image's contents more deterministic.
+ */
+public class SortClasslist {
+    public static void main(String args[]) throws FileNotFoundException  {
+        ArrayList<String> classes = new ArrayList<>();
+        ArrayList<String> lambdas = new ArrayList<>();
+
+        FileInputStream fis = new FileInputStream(args[0]);
+        Scanner scanner = new Scanner(fis);
+        while (scanner.hasNextLine()) {
+            String line = scanner.nextLine();
+            if (line.startsWith("#")) {
+                // Comments -- print them first without sorting. These appear only at the top
+                // of the file.
+                System.out.println(line);
+            } else if (line.startsWith("@")) {
+                // @lambda-form-invoker, @lambda-proxy, etc.
+                lambdas.add(line);
+            } else {
+                // We should find a pattern like this:
+                //
+                //    <beginning of line>java/lang/Object<end of line>
+                final String className = line;
+                classes.add(className);
+            }
+        }
+
+        Collections.sort(classes);
+        Collections.sort(lambdas);
+
+        for (String s : classes) {
+            System.out.println(s);
+        }
+        for (String s : lambdas) {
+            System.out.println(s);
+        }
+    }
+}

make/jdk/src/classes/build/tools/cldrconverter/CLDRConverter.java

@@ -114,6 +114,7 @@ public class CLDRConverter {
         ResourceBundle.Control.getControl(ResourceBundle.Control.FORMAT_DEFAULT);
 
     private static Set<String> AVAILABLE_TZIDS;
+    static int copyrightYear;
     private static String zoneNameTempFile;
     private static String tzDataDir;
     private static final Map<String, String> canonicalTZMap = new HashMap<>();
@@ -217,6 +218,10 @@ public class CLDRConverter {
                         verbose = true;
                         break;
 
+                    case "-year":
+                        copyrightYear = Integer.parseInt(args[++i]);
+                        break;
+
                     case "-zntempfile":
                         zoneNameTempFile = args[++i];
                         break;
@@ -235,7 +240,7 @@ public class CLDRConverter {
                     }
                 }
             } catch (RuntimeException e) {
-                severe("unknown or imcomplete arg(s): " + currentArg);
+                severe("unknown or incomplete arg(s): " + currentArg);
                 usage();
                 System.exit(1);
             }
@@ -260,6 +265,10 @@ public class CLDRConverter {
             setupBaseLocales("en-US");
         }
 
+        if (copyrightYear == 0) {
+            copyrightYear = ZonedDateTime.now(ZoneId.of("America/Los_Angeles")).getYear();
+        }
+
         bundleGenerator = new ResourceBundleGenerator();
 
         // Parse data independent of locales
@@ -292,6 +301,7 @@ public class CLDRConverter {
                 + "\t-basemodule    generates bundles that go into java.base module%n"
                 + "\t-baselocales loc(,loc)*      locales that go into the base module%n"
                 + "\t-o dir         output directory (default: ./build/gensrc)%n"
+                + "\t-year year     copyright year in output%n"
                 + "\t-zntempfile    template file for java.time.format.ZoneName.java%n"
                 + "\t-tzdatadir     tzdata directory for java.time.format.ZoneName.java%n"
                 + "\t-utf8          use UTF-8 rather than \\uxxxx (for debug)%n");

make/jdk/src/classes/build/tools/cldrconverter/CopyrightHeaders.java

@@ -26,6 +26,7 @@
 package build.tools.cldrconverter;
 
 import java.util.Calendar;
+import java.util.Date;
 import java.util.GregorianCalendar;
 import java.util.Locale;
 import java.util.TimeZone;
@@ -131,8 +132,7 @@ class CopyrightHeaders {
         " * questions.\n" +
         " */\n";
 
-    static String getOracleCopyright() {
-        int year = getYear();
+    static String getOracleCopyright(int year) {
         return String.format(year > 2012 ? ORACLE_AFTER2012 : ORACLE2012, year);
     }
 
@@ -140,16 +140,10 @@ class CopyrightHeaders {
         return UNICODE;
     }
 
-    static String getOpenJDKCopyright() {
-        int year = getYear();
+    static String getOpenJDKCopyright(int year) {
         return String.format(year > 2012 ? OPENJDK_AFTER2012 : OPENJDK2012, year);
     }
 
-    private static int getYear() {
-        return new GregorianCalendar(TimeZone.getTimeZone("America/Los_Angeles"),
-                                         Locale.US).get(Calendar.YEAR);
-    }
-
     // no instantiation
     private CopyrightHeaders() {
     }

make/jdk/src/classes/build/tools/cldrconverter/ResourceBundleGenerator.java

@@ -198,7 +198,7 @@ class ResourceBundleGenerator implements BundleGenerator {
 
         try (PrintWriter out = new PrintWriter(file, encoding)) {
             // Output copyright headers
-            out.println(CopyrightHeaders.getOpenJDKCopyright());
+            out.println(CopyrightHeaders.getOpenJDKCopyright(CLDRConverter.copyrightYear));
             out.println(CopyrightHeaders.getUnicodeCopyright());
 
             if (useJava) {
@@ -266,7 +266,7 @@ class ResourceBundleGenerator implements BundleGenerator {
         CLDRConverter.info("Generating file " + file);
 
         try (PrintWriter out = new PrintWriter(file, "us-ascii")) {
-            out.printf(CopyrightHeaders.getOpenJDKCopyright());
+            out.printf(CopyrightHeaders.getOpenJDKCopyright(CLDRConverter.copyrightYear));
 
             out.printf((CLDRConverter.isBaseModule ? "package sun.util.cldr;\n\n" :
                                   "package sun.util.resources.cldr.provider;\n\n")

make/jdk/src/classes/build/tools/generatelsrequivmaps/EquivMapsGenerator.java

@@ -30,13 +30,15 @@ import java.io.IOException;
 import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.Paths;
-import java.time.ZoneId;
-import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.TimeZone;
 import java.util.TreeMap;
 import java.util.stream.Collectors;
 
@@ -52,17 +54,19 @@ import java.util.stream.Collectors;
 public class EquivMapsGenerator {
 
     public static void main(String[] args) throws Exception {
-        if (args.length != 2) {
+        if (args.length != 3) {
             System.err.println("Usage: java EquivMapsGenerator"
-                    + " language-subtag-registry.txt LocaleEquivalentMaps.java");
+                    + " language-subtag-registry.txt LocaleEquivalentMaps.java copyrightYear");
             System.exit(1);
         }
+        copyrightYear = Integer.parseInt(args[2]);
         readLSRfile(args[0]);
         generateEquivalentMap();
         generateSourceCode(args[1]);
     }
 
     private static String LSRrevisionDate;
+    private static int copyrightYear;
     private static Map<String, StringBuilder> initialLanguageMap =
         new TreeMap<>();
     private static Map<String, StringBuilder> initialRegionVariantMap =
@@ -246,9 +250,7 @@ public class EquivMapsGenerator {
         + "}";
 
     private static String getOpenJDKCopyright() {
-        int year = ZonedDateTime.now(ZoneId
-                .of("America/Los_Angeles")).getYear();
-        return String.format(Locale.US, COPYRIGHT, year);
+        return String.format(Locale.US, COPYRIGHT, copyrightYear);
     }
 
     /**

make/jdk/src/classes/build/tools/makezipreproducible/MakeZipReproducible.java

@@ -0,0 +1,231 @@
+/*
+ * Copyright (c) 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.
+ *
+ * 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.
+ */
+
+package build.tools.makezipreproducible;
+
+import java.io.*;
+import java.nio.file.*;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.nio.channels.Channels;
+import java.nio.channels.FileChannel;
+import java.util.*;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipException;
+import java.util.zip.ZipFile;
+import java.util.zip.ZipInputStream;
+import java.util.zip.ZipOutputStream;
+
+/**
+ * Generate a zip file in a "reproducible" manner from the input zip file.
+ * Standard zip tools rely on OS file list querying whose ordering can vary
+ * by platform architecture, this class ensures the zip entries are ordered
+ * and also supports SOURCE_DATE_EPOCH timestamps.
+ */
+public class MakeZipReproducible {
+    String input_file = null;
+    String fname = null;
+    String zname = "";
+    long   timestamp = -1L;
+    boolean verbose = false;
+
+    // Keep a sorted Set of ZipEntrys to be processed, so that the zip is reproducible
+    SortedMap<String, ZipEntry> entries  = new TreeMap<String, ZipEntry>();
+
+    private boolean ok;
+
+    public MakeZipReproducible() {
+    }
+
+    public synchronized boolean run(String args[]) {
+        ok = true;
+        if (!parseArgs(args)) {
+            return false;
+        }
+        try {
+            zname = fname.replace(File.separatorChar, '/');
+            if (zname.startsWith("./")) {
+                zname = zname.substring(2);
+            }
+
+            if (verbose) System.out.println("Input zip file: " + input_file);
+
+            File inFile  = new File(input_file);
+            if (!inFile.exists()) {
+                error("Input zip file does not exist");
+                ok = false;
+            } else {
+                File zipFile = new File(fname);
+                // Check archive to create does not exist
+                if (!zipFile.exists()) {
+                    // Process input ZipEntries
+                    ok = processInputEntries(inFile);
+                    if (ok) {
+                        try (FileOutputStream out = new FileOutputStream(fname)) {
+                            ok = create(inFile, new BufferedOutputStream(out, 4096));
+                        }
+                    } else {
+                    }
+                } else {
+                    error("Target zip file "+fname+" already exists.");
+                    ok = false;
+                }
+            }
+        } catch (IOException e) {
+            fatalError(e);
+            ok = false;
+        } catch (Error ee) {
+            ee.printStackTrace();
+            ok = false;
+        } catch (Throwable t) {
+            t.printStackTrace();
+            ok = false;
+        }
+        return ok;
+    }
+
+    boolean parseArgs(String args[]) {
+        try {
+            boolean parsingIncludes = false;
+            boolean parsingExcludes = false;
+            int count = 0;
+            while(count < args.length) {
+                if (args[count].startsWith("-")) {
+                    String flag = args[count].substring(1);
+                    switch (flag.charAt(0)) {
+                    case 'f':
+                        fname = args[++count];
+                        break;
+                    case 't':
+                        // SOURCE_DATE_EPOCH timestamp specified
+                        timestamp = Long.parseLong(args[++count]) * 1000;
+                        break;
+                    case 'v':
+                        verbose = true;
+                        break;
+                    default:
+                        error(String.format("Illegal option -%s", String.valueOf(flag.charAt(0))));
+                        usageError();
+                        return false;
+                    }
+                } else {
+                    // input zip file
+                    if (input_file != null) {
+                        error("Input zip file already specified");
+                        usageError();
+                        return false;
+                    }
+                    input_file = args[count];
+                }
+                count++;
+            }
+        } catch (ArrayIndexOutOfBoundsException e) {
+            usageError();
+            return false;
+        } catch (NumberFormatException e) {
+            usageError();
+            return false;
+        }
+        if (fname == null) {
+            error("-f <outputArchiveName> must be specified");
+            usageError();
+            return false;
+        }
+        // If no files specified then default to current directory
+        if (input_file == null) {
+            error("No input zip file specified");
+            usageError();
+            return false;
+        }
+
+        return true;
+    }
+
+    // Process input zip file and add to sorted entries set
+    boolean processInputEntries(File inFile) throws IOException {
+        ZipFile zipFile = new ZipFile(inFile);
+        zipFile.stream().forEach(entry -> entries.put(entry.getName(), entry));
+
+        return true;
+    }
+
+    // Create new zip from entries
+    boolean create(File inFile, OutputStream out) throws IOException
+    {
+        try (ZipFile zipFile = new ZipFile(inFile);
+             ZipOutputStream zos = new ZipOutputStream(out)) {
+            for (Map.Entry<String, ZipEntry> entry : entries.entrySet()) {
+                ZipEntry zipEntry = entry.getValue();
+                if (zipEntry.getSize() > 0) {
+                    try (InputStream eis = zipFile.getInputStream(zipEntry)) {
+                        addEntry(zos, zipEntry, eis);
+                    }
+                } else {
+                    addEntry(zos, zipEntry, null);
+                }
+            }
+        }
+        return true;
+    }
+
+    // Add Entry and data to Zip
+    void addEntry(ZipOutputStream zos, ZipEntry entry, InputStream entryInputStream) throws IOException {
+        if (verbose) {
+            System.out.println("Adding: "+entry.getName());
+        }
+
+        // Set to specified timestamp if set otherwise leave as original lastModified time
+        if (timestamp != -1L) {
+            entry.setTime(timestamp);
+        }
+
+        zos.putNextEntry(entry);
+        if (entry.getSize() > 0 && entryInputStream != null) {
+            entryInputStream.transferTo(zos);
+        }
+        zos.closeEntry();
+    }
+
+    void usageError() {
+        error(
+        "Usage: MakeZipReproducible [-v] [-t <SOURCE_DATE_EPOCH>] -f <output_zip_file> <input_zip_file>\n" +
+        "Options:\n" +
+        "   -v  verbose output\n" +
+        "   -f  specify archive file name to create\n" +
+        "   -t  specific SOURCE_DATE_EPOCH value to use for timestamps\n" +
+        "   input_zip_file re-written as a reproducible zip output_zip_file.\n");
+    }
+
+    void fatalError(Exception e) {
+        e.printStackTrace();
+    }
+
+    protected void error(String s) {
+        System.err.println(s);
+    }
+
+    public static void main(String args[]) {
+        MakeZipReproducible z = new MakeZipReproducible();
+        System.exit(z.run(args) ? 0 : 1);
+    }
+}
+

make/modules/java.base/Gensrc.gmk

@@ -62,6 +62,7 @@ $(CLDR_GEN_DONE): $(wildcard $(CLDR_DATA_DIR)/dtd/*.dtd) \
 	    -baselocales "en-US" \
 	    -o $(GENSRC_DIR) \
 	    -basemodule \
+	    -year $(COPYRIGHT_YEAR) \
 	    -zntempfile $(ZONENAME_TEMPLATE) \
 	    -tzdatadir $(TZ_DATA_DIR))
 	$(TOUCH) $@
@@ -99,7 +100,7 @@ GENSRC_LSREQUIVMAPS := $(SUPPORT_OUTPUTDIR)/gensrc/java.base/sun/util/locale/Loc
 
 $(GENSRC_LSREQUIVMAPS): $(TOPDIR)/make/data/lsrdata/language-subtag-registry.txt $(BUILD_TOOLS_JDK)
 	$(call MakeDir, $(@D))
-	$(TOOL_GENERATELSREQUIVMAPS) $< $@
+	$(TOOL_GENERATELSREQUIVMAPS) $< $@ $(COPYRIGHT_YEAR)
 
 TARGETS += $(GENSRC_LSREQUIVMAPS)
 

make/modules/java.desktop/lib/Awt2dLibraries.gmk

@@ -436,7 +436,7 @@ endif
 
 ifeq ($(USE_EXTERNAL_HARFBUZZ), true)
    LIBFONTMANAGER_EXTRA_SRC =
-   BUILD_LIBFONTMANAGER_FONTLIB += $(LIBHARFBUZZ_LIBS)
+   BUILD_LIBFONTMANAGER_FONTLIB += $(HARFBUZZ_LIBS)
 else
    LIBFONTMANAGER_EXTRA_SRC = libharfbuzz
 
@@ -837,6 +837,19 @@ endif
 
 ################################################################################
 
+# MACOSX_METAL_VERSION_MIN specifies the lowest version of Macosx
+# that should be used to compile Metal shaders. We support Metal
+# pipeline only on Macosx >=10.14. For Macosx versions <10.14 even if
+# we enable Metal pipeline using -Dsun.java2d.metal=true, at
+# runtime we force it to use OpenGL pipeline. And MACOSX_VERSION_MIN
+# for aarch64 has always been >10.14 so we use continue to use
+# MACOSX_VERSION_MIN for aarch64.
+ifeq ($(OPENJDK_TARGET_CPU_ARCH), xaarch64)
+    MACOSX_METAL_VERSION_MIN=$(MACOSX_VERSION_MIN)
+else
+    MACOSX_METAL_VERSION_MIN=10.14.0
+endif
+
 ifeq ($(call isTargetOs, macosx), true)
   SHADERS_SRC := $(TOPDIR)/src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/shaders.metal
   SHADERS_SUPPORT_DIR := $(SUPPORT_OUTPUTDIR)/native/java.desktop/libosxui
@@ -848,7 +861,9 @@ ifeq ($(call isTargetOs, macosx), true)
       DEPS := $(SHADERS_SRC), \
       OUTPUT_FILE := $(SHADERS_AIR), \
       SUPPORT_DIR := $(SHADERS_SUPPORT_DIR), \
-      COMMAND := $(METAL) -c -std=osx-metal2.0 -o $(SHADERS_AIR) $(SHADERS_SRC), \
+      COMMAND := $(METAL) -c -std=osx-metal2.0 \
+          -mmacosx-version-min=$(MACOSX_METAL_VERSION_MIN) \
+          -o $(SHADERS_AIR) $(SHADERS_SRC), \
   ))
 
   $(eval $(call SetupExecute, metallib_shaders, \

make/modules/jdk.javadoc/Gendata.gmk

@@ -72,7 +72,9 @@ $(JDK_JAVADOC_DIR)/_element_lists.marker: \
     $(MODULE_INFOS)
 	$(call MakeTargetDir)
 	$(call LogInfo, Creating javadoc element lists)
-	$(RM) -r $(ELEMENT_LISTS_DIR)
+	$(RM) $(ELEMENT_LISTS_DIR)/element-list-{$(call CommaList, \
+		$(call sequence, $(GENERATE_SYMBOLS_FROM_JDK_VERSION), \
+				 $(JDK_SOURCE_TARGET_VERSION)))}.txt
         # Generate element-list files for JDK 11 to current-1
 	$(call ExecuteWithLog, $@_historic, \
 	    $(JAVA_SMALL) $(INTERIM_LANGTOOLS_ARGS) \

make/modules/jdk.localedata/Gensrc.gmk

@@ -46,6 +46,7 @@ $(CLDR_GEN_DONE): $(wildcard $(CLDR_DATA_DIR)/dtd/*.dtd) \
 	$(call ExecuteWithLog, $@, \
 	    $(TOOL_CLDRCONVERTER) -base $(CLDR_DATA_DIR) \
 	    -baselocales "en-US" \
+	    -year $(COPYRIGHT_YEAR) \
 	    -o $(GENSRC_DIR))
 	$(TOUCH) $@
 

make/scripts/compare.sh

@@ -356,8 +356,8 @@ compare_general_files() {
                     "
                 $CAT $OTHER_DIR/$f | eval "$SVG_FILTER" > $OTHER_FILE
                 $CAT $THIS_DIR/$f | eval "$SVG_FILTER" > $THIS_FILE
-            elif [[ "$f" = *"/lib/classlist" ]] || [ "$SUFFIX" = "jar_contents" ]; then
-                # The classlist files may have some lines in random order
+            elif [ "$SUFFIX" = "jar_contents" ]; then
+                # The jar_contents files may have some lines in random order
                 OTHER_FILE=$WORK_DIR/$f.other
                 THIS_FILE=$WORK_DIR/$f.this
                 $MKDIR -p $(dirname $OTHER_FILE) $(dirname $THIS_FILE)

modules.list

@@ -49,6 +49,4 @@ jdk.unsupported,
 jdk.xml.dom,
 jdk.zipfs,
 jdk.hotspot.agent,
-jetbrains.api,
-jetbrains.api.impl,
 jdk.jcmd

src/hotspot/cpu/aarch64/c1_LIRAssembler_aarch64.cpp

@@ -2837,7 +2837,7 @@ void LIR_Assembler::emit_profile_type(LIR_OpProfileType* op) {
         }
 #endif
         // first time here. Set profile type.
-        __ ldr(tmp, mdo_addr);
+        __ str(tmp, mdo_addr);
       } else {
         assert(ciTypeEntries::valid_ciklass(current_klass) != NULL &&
                ciTypeEntries::valid_ciklass(current_klass) != exact_klass, "inconsistent");

src/hotspot/os/aix/os_aix.cpp

@@ -2669,9 +2669,7 @@ int os::open(const char *path, int oflag, int mode) {
 // create binary file, rewriting existing file if required
 int os::create_binary_file(const char* path, bool rewrite_existing) {
   int oflags = O_WRONLY | O_CREAT;
-  if (!rewrite_existing) {
-    oflags |= O_EXCL;
-  }
+  oflags |= rewrite_existing ? O_TRUNC : O_EXCL;
   return ::open64(path, oflags, S_IREAD | S_IWRITE);
 }
 

src/hotspot/os/bsd/os_bsd.cpp

@@ -2359,9 +2359,7 @@ int os::open(const char *path, int oflag, int mode) {
 // create binary file, rewriting existing file if required
 int os::create_binary_file(const char* path, bool rewrite_existing) {
   int oflags = O_WRONLY | O_CREAT;
-  if (!rewrite_existing) {
-    oflags |= O_EXCL;
-  }
+  oflags |= rewrite_existing ? O_TRUNC : O_EXCL;
   return ::open(path, oflags, S_IREAD | S_IWRITE);
 }
 

src/hotspot/os/linux/os_linux.cpp

@@ -4972,9 +4972,7 @@ int os::open(const char *path, int oflag, int mode) {
 // create binary file, rewriting existing file if required
 int os::create_binary_file(const char* path, bool rewrite_existing) {
   int oflags = O_WRONLY | O_CREAT;
-  if (!rewrite_existing) {
-    oflags |= O_EXCL;
-  }
+  oflags |= rewrite_existing ? O_TRUNC : O_EXCL;
   return ::open64(path, oflags, S_IREAD | S_IWRITE);
 }
 

src/hotspot/os/posix/os_posix.cpp

@@ -1885,7 +1885,11 @@ int os::fork_and_exec(const char* cmd, bool prefer_vfork) {
   // Use always vfork on AIX, since its safe and helps with analyzing OOM situations.
   // Otherwise leave it up to the caller.
   AIX_ONLY(prefer_vfork = true;)
+  #ifdef __APPLE__
+  pid = ::fork();
+  #else
   pid = prefer_vfork ? ::vfork() : ::fork();
+  #endif
 
   if (pid < 0) {
     // fork failed

src/hotspot/os/windows/os_windows.cpp

@@ -2020,7 +2020,11 @@ void os::win32::print_windows_version(outputStream* st) {
 
   case 10000:
     if (is_workstation) {
-      st->print("10");
+      if (build_number >= 22000) {
+        st->print("11");
+      } else {
+        st->print("10");
+      }
     } else {
       // distinguish Windows Server 2016 and 2019 by build number
       // Windows server 2019 GA 10/2018 build number is 17763
@@ -4944,9 +4948,7 @@ bool os::dir_is_empty(const char* path) {
 // create binary file, rewriting existing file if required
 int os::create_binary_file(const char* path, bool rewrite_existing) {
   int oflags = _O_CREAT | _O_WRONLY | _O_BINARY;
-  if (!rewrite_existing) {
-    oflags |= _O_EXCL;
-  }
+  oflags |= rewrite_existing ? _O_TRUNC : _O_EXCL;
   return ::open(path, oflags, _S_IREAD | _S_IWRITE);
 }
 

src/hotspot/share/c1/c1_Instruction.cpp

@@ -839,6 +839,19 @@ bool BlockBegin::try_merge(ValueStack* new_state) {
         }
       }
 
+      for_each_stack_value(existing_state, index, existing_value) {
+        if ( !(existing_value->as_Phi() != NULL && existing_value->as_Phi()->block() == this)) {
+          TRACE_PHI(tty->print_cr("Re-entered loop head without existing phi for stack - bailout"));
+          return false;
+        }
+      }
+      for_each_local_value(existing_state, index, existing_value) {
+        if (!(existing_value == new_state->local_at(index) || (existing_value->as_Phi() != NULL && existing_value->as_Phi()->as_Phi()->block() == this))) {
+          TRACE_PHI(tty->print_cr("Re-entered loop head without existing phi for modified local - bailout"));
+          return false;
+        }
+      }
+
 #ifdef ASSERT
       // check that all necessary phi functions are present
       for_each_stack_value(existing_state, index, existing_value) {

src/hotspot/share/classfile/classFileParser.cpp

@@ -3135,6 +3135,13 @@ u2 ClassFileParser::parse_classfile_inner_classes_attribute(const ClassFileStrea
         valid_klass_reference_at(outer_class_info_index),
       "outer_class_info_index %u has bad constant type in class file %s",
       outer_class_info_index, CHECK_0);
+
+    if (outer_class_info_index != 0) {
+      const Symbol* const outer_class_name = cp->klass_name_at(outer_class_info_index);
+      char* bytes = (char*)outer_class_name->bytes();
+      guarantee_property(bytes[0] != JVM_SIGNATURE_ARRAY,
+                         "Outer class is an array class in class file %s", CHECK_0);
+    }
     // Inner class name
     const u2 inner_name_index = cfs->get_u2_fast();
     check_property(

src/hotspot/share/classfile/verifier.cpp

@@ -2316,6 +2316,7 @@ void ClassVerifier::verify_field_instructions(RawBytecodeStream* bcs,
   // Get field name and signature
   Symbol* field_name = cp->name_ref_at(index);
   Symbol* field_sig = cp->signature_ref_at(index);
+  bool is_getfield = false;
 
   // Field signature was checked in ClassFileParser.
   assert(SignatureVerifier::is_valid_type_signature(field_sig),
@@ -2362,11 +2363,9 @@ void ClassVerifier::verify_field_instructions(RawBytecodeStream* bcs,
       break;
     }
     case Bytecodes::_getfield: {
+      is_getfield = true;
       stack_object_type = current_frame->pop_stack(
         target_class_type, CHECK_VERIFY(this));
-      for (int i = 0; i < n; i++) {
-        current_frame->push_stack(field_type[i], CHECK_VERIFY(this));
-      }
       goto check_protected;
     }
     case Bytecodes::_putfield: {
@@ -2396,7 +2395,15 @@ void ClassVerifier::verify_field_instructions(RawBytecodeStream* bcs,
     check_protected: {
       if (_this_type == stack_object_type)
         break; // stack_object_type must be assignable to _current_class_type
-      if (was_recursively_verified()) return;
+      if (was_recursively_verified()) {
+        if (is_getfield) {
+          // Push field type for getfield.
+          for (int i = 0; i < n; i++) {
+            current_frame->push_stack(field_type[i], CHECK_VERIFY(this));
+          }
+        }
+        return;
+      }
       Symbol* ref_class_name =
         cp->klass_name_at(cp->klass_ref_index_at(index));
       if (!name_in_supers(ref_class_name, current_class()))
@@ -2425,6 +2432,12 @@ void ClassVerifier::verify_field_instructions(RawBytecodeStream* bcs,
     }
     default: ShouldNotReachHere();
   }
+  if (is_getfield) {
+    // Push field type for getfield after doing protection check.
+    for (int i = 0; i < n; i++) {
+      current_frame->push_stack(field_type[i], CHECK_VERIFY(this));
+    }
+  }
 }
 
 // Look at the method's handlers.  If the bci is in the handler's try block

src/hotspot/share/code/dependencies.cpp

@@ -1835,6 +1835,26 @@ Klass* Dependencies::find_witness_AME(InstanceKlass* ctxk, Method* m, KlassDepCh
   return NULL;
 }
 
+// This function is used by find_unique_concrete_method(non vtable based)
+// to check whether subtype method overrides the base method.
+static bool overrides(Method* sub_m, Method* base_m) {
+  assert(base_m != NULL, "base method should be non null");
+  if (sub_m == NULL) {
+    return false;
+  }
+  /**
+   *  If base_m is public or protected then sub_m always overrides.
+   *  If base_m is !public, !protected and !private (i.e. base_m is package private)
+   *  then sub_m should be in the same package as that of base_m.
+   *  For package private base_m this is conservative approach as it allows only subset of all allowed cases in
+   *  the jvm specification.
+   **/
+  if (base_m->is_public() || base_m->is_protected() ||
+      base_m->method_holder()->is_same_class_package(sub_m->method_holder())) {
+    return true;
+  }
+  return false;
+}
 
 // Find the set of all non-abstract methods under ctxk that match m.
 // (The method m must be defined or inherited in ctxk.)
@@ -1872,6 +1892,9 @@ Method* Dependencies::find_unique_concrete_method(InstanceKlass* ctxk, Method* m
   } else if (Dependencies::find_witness_AME(ctxk, fm) != NULL) {
     // Found a concrete subtype which does not override abstract root method.
     return NULL;
+  } else if (!overrides(fm, m)) {
+    // Found method doesn't override abstract root method.
+    return NULL;
   }
   assert(Dependencies::is_concrete_root_method(fm, ctxk) == Dependencies::is_concrete_method(m, ctxk), "mismatch");
 #ifndef PRODUCT