JBR-2473 add initial set of dcevm patches

removed nashorn modules

bin/idea.sh

@@ -92,6 +92,7 @@ MAKE_DIR="$TOPLEVEL_DIR/make"
 IDEA_MAKE="$MAKE_DIR/ide/idea/jdk"
 IDEA_TEMPLATE="$IDEA_MAKE/template"
 
+cp -rn "$TOPLEVEL_DIR/jb/project/idea-project-files"/* "$IDEA_OUTPUT"
 cp -rn "$IDEA_TEMPLATE"/* "$IDEA_OUTPUT"
 
 #override template

jb/project/docker/Dockerfile

@@ -0,0 +1,13 @@
+# jetbrains/runtime:jbr15env
+FROM centos:7
+RUN yum -y install centos-release-scl
+RUN yum -y install devtoolset-8
+RUN yum -y install zip bzip2 unzip tar wget make autoconf automake libtool gcc gcc-c++ libstdc++-devel alsa-devel cups-devel xorg-x11-devel libjpeg62-devel giflib-devel freetype-devel file which libXtst-devel libXt-devel libXrender-devel alsa-lib-devel fontconfig-devel libXrandr-devel libXi-devel git
+# Install Java 15
+RUN wget  https://cdn.azul.com/zulu/bin/zulu15.27.17-ca-jdk15.0.0-linux_x64.tar.gz \
+-O - | tar xz -C /
+RUN mv /zulu15.27.17-ca-jdk15.0.0-linux_x64 /jdk15.0.0
+ENV PATH /opt/rh/devtoolset-8/root/usr/bin:$PATH
+RUN mkdir .git
+RUN git config user.email "builduser@jetbrains.com"
+RUN git config user.name "builduser"

jb/project/idea-project-files/copyright/JetBrains.xml

@@ -0,0 +1,9 @@
+<component name="CopyrightManager">
+  <copyright>
+    <option name="notice" value="Copyright 2000-&amp;#36;today.year JetBrains s.r.o.&#10;&#10;Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);&#10;you may not use this file except in compliance with the License.&#10;You may obtain a copy of the License at&#10;&#10;http://www.apache.org/licenses/LICENSE-2.0&#10;&#10;Unless required by applicable law or agreed to in writing, software&#10;distributed under the License is distributed on an &quot;AS IS&quot; BASIS,&#10;WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.&#10;See the License for the specific language governing permissions and&#10;limitations under the License." />
+    <option name="keyword" value="Copyright" />
+    <option name="allowReplaceKeyword" value="JetBrains" />
+    <option name="myName" value="JetBrains" />
+    <option name="myLocal" value="true" />
+  </copyright>
+</component>

jb/project/idea-project-files/copyright/profiles_settings.xml

@@ -0,0 +1,3 @@
+<component name="CopyrightManager">
+  <settings default="JetBrains" />
+</component>

jb/project/idea-project-files/jdk-clion/.idea/.name

@@ -0,0 +1 @@
+JetBrainsRuntime

jb/project/idea-project-files/jdk-clion/.idea/copyright/JetBrains.xml

@@ -0,0 +1,9 @@
+<component name="CopyrightManager">
+  <copyright>
+    <option name="notice" value="Copyright 2000-&amp;#36;today.year JetBrains s.r.o.&#10;&#10;Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);&#10;you may not use this file except in compliance with the License.&#10;You may obtain a copy of the License at&#10;&#10;http://www.apache.org/licenses/LICENSE-2.0&#10;&#10;Unless required by applicable law or agreed to in writing, software&#10;distributed under the License is distributed on an &quot;AS IS&quot; BASIS,&#10;WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.&#10;See the License for the specific language governing permissions and&#10;limitations under the License." />
+    <option name="keyword" value="Copyright" />
+    <option name="allowReplaceKeyword" value="JetBrains" />
+    <option name="myName" value="JetBrains" />
+    <option name="myLocal" value="true" />
+  </copyright>
+</component>

jb/project/idea-project-files/jdk-clion/.idea/copyright/profiles_settings.xml

@@ -0,0 +1,3 @@
+<component name="CopyrightManager">
+  <settings default="JetBrains" />
+</component>

jb/project/idea-project-files/jdk-clion/.idea/vcs.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="IssueNavigationConfiguration">
+    <option name="links">
+      <list>
+        <IssueNavigationLink>
+          <option name="issueRegexp" value="(?:^|\s|\p{Punct})([A-Z]+\-\d+)(?=$|\s|\p{Punct})" />
+          <option name="linkRegexp" value="https://youtrack.jetbrains.com/issue/$1" />
+        </IssueNavigationLink>
+        <IssueNavigationLink>
+          <option name="issueRegexp" value="(?:^|\s|\p{Punct})(?:JDK-)?(\d{7})(?=$|\s|\p{Punct})" />
+          <option name="linkRegexp" value="https://bugs.openjdk.java.net/browse/JDK-$1" />
+        </IssueNavigationLink>
+      </list>
+    </option>
+  </component>
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
+  </component>
+</project>

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

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="IssueNavigationConfiguration">
+    <option name="links">
+      <list>
+        <IssueNavigationLink>
+          <option name="issueRegexp" value="(?:^|\s|\p{Punct})([A-Z]+\-\d+)(?=$|\s|\p{Punct})" />
+          <option name="linkRegexp" value="https://youtrack.jetbrains.com/issue/$1" />
+        </IssueNavigationLink>
+        <IssueNavigationLink>
+          <option name="issueRegexp" value="(?:^|\s|\p{Punct})(?:JDK-)?(\d{7})(?=$|\s|\p{Punct})" />
+          <option name="linkRegexp" value="https://bugs.openjdk.java.net/browse/JDK-$1" />
+        </IssueNavigationLink>
+      </list>
+    </option>
+  </component>
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

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

@@ -0,0 +1,54 @@
+VENDOR_NAME="JetBrains s.r.o."
+VENDOR_VERSION_STRING="JBR-${JBSDK_VERSION_WITH_DOTS}.${JDK_BUILD_NUMBER}-${build_number}"
+[ -z "$bundle_type" ] || VENDOR_VERSION_STRING="${VENDOR_VERSION_STRING}-${bundle_type}"
+
+do_reset_changes=0
+do_reset_dcevm=0
+HEAD_REVISION=0
+
+function do_exit() {
+  exit_code=$1
+  [ $do_reset_changes -eq 1 ] && git checkout HEAD modules.list src/java.desktop/share/classes/module-info.java
+  if [ $do_reset_dcevm -eq 1 ]; then
+    [ ! -z $HEAD_REVISION ] && git reset --hard $HEAD_REVISION
+  fi
+  exit "$exit_code"
+}
+
+function update_jsdk_mods() {
+  __jsdk=$1
+  __jcef_mods=$2
+  __orig_jsdk_mods=$3
+  __updated_jsdk_mods=$4
+  
+  # re-create java.desktop.jmod with updated module-info.class
+  tmp=.java.desktop.$$.tmp
+  mkdir "$tmp" || exit $?
+  "$__jsdk"/bin/jmod extract --dir "$tmp" "$__orig_jsdk_mods"/java.desktop.jmod || exit $?
+  "$__jsdk"/bin/javac \
+      --patch-module java.desktop="$__orig_jsdk_mods"/java.desktop.jmod \
+      --module-path "$__jcef_mods" -d "$tmp"/classes src/java.desktop/share/classes/module-info.java || exit $?
+  "$__jsdk"/bin/jmod \
+      create --class-path "$tmp"/classes --config "$tmp"/conf --header-files "$tmp"/include --legal-notice "$tmp"/legal --libs "$tmp"/lib \
+      java.desktop.jmod || exit $?
+  mv java.desktop.jmod "$__updated_jsdk_mods" || exit $?
+  rm -rf "$tmp"
+  
+  # re-create java.base.jmod with updated hashes
+  tmp=.java.base.$$.tmp
+  mkdir "$tmp" || exit $?
+  hash_modules=$("$JSDK"/bin/jmod describe "$__orig_jsdk_mods"/java.base.jmod | grep hashes | awk '{print $2}' | tr '\n' '|' | sed s/\|$//) || exit $?
+  "$__jsdk"/bin/jmod extract --dir "$tmp" "$__orig_jsdk_mods"/java.base.jmod || exit $?
+  rm "$__updated_jsdk_mods"/java.base.jmod || exit $? # temp exclude from path
+  "$__jsdk"/bin/jmod \
+      create --module-path "$__updated_jsdk_mods" --hash-modules "$hash_modules" \
+      --class-path "$tmp"/classes --cmds "$tmp"/bin --config "$tmp"/conf --header-files "$tmp"/include --legal-notice "$tmp"/legal --libs "$tmp"/lib \
+      java.base.jmod || exit $?
+  mv java.base.jmod "$__updated_jsdk_mods" || exit $?
+  rm -rf "$tmp"
+}
+
+function get_mods_list() {
+  __mods=$1
+  echo $(ls $__mods) | sed s/\.jmod/,/g | sed s/,$//g | sed s/' '//g
+}

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

@@ -0,0 +1,83 @@
+#!/bin/bash -x
+
+# The following parameters must be specified:
+#   JBSDK_VERSION    - specifies the current version of OpenJDK e.g. 11_0_6
+#   JDK_BUILD_NUMBER - specifies the number of OpenJDK build or the value of --with-version-build argument to configure
+#   build_number     - specifies the number of JetBrainsRuntime build
+#
+# jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+# jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+#
+# $ ./java --version
+# openjdk 11.0.6 2020-01-14
+# OpenJDK Runtime Environment (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number})
+# OpenJDK 64-Bit Server VM (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number}, mixed mode)
+#
+
+JBSDK_VERSION=$1
+JDK_BUILD_NUMBER=$2
+build_number=$3
+
+JBSDK_VERSION_WITH_DOTS=$(echo $JBSDK_VERSION | sed 's/_/\./g')
+
+source jb/project/tools/common/scripts/common.sh
+
+JBRSDK_BASE_NAME=jbrsdk-${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}" \
+  --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+  --with-version-pre= \
+  --with-version-build=${JDK_BUILD_NUMBER} \
+  --with-version-opt=b${build_number} \
+  --with-boot-jdk=${BOOT_JDK} \
+  --enable-cds=yes || exit $?
+make clean CONF=linux-aarch64-server-release || exit $?
+make images CONF=linux-aarch64-server-release test-image || exit $?
+
+JBSDK=${JBRSDK_BASE_NAME}-linux-aarch64-b${build_number}
+BASE_DIR=build/linux-aarch64-server-release/images
+JSDK=${BASE_DIR}/jdk
+JBRSDK_BUNDLE=jbrsdk
+
+echo Fixing permissions
+chmod -R a+r $JSDK
+
+rm -rf $BASE_DIR/$JBRSDK_BUNDLE
+cp -r $JSDK $BASE_DIR/$JBRSDK_BUNDLE || exit $?
+
+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 \
+  --exclude=*.debuginfo --exclude=demo --exclude=sample --exclude=man \
+  -C $BASE_DIR ${JBRSDK_BUNDLE} || exit $?
+gzip $JBSDK.tar || exit $?
+
+JBR_BUNDLE=jbr
+JBR_BASE_NAME=jbr-$JBSDK_VERSION
+rm -rf $BASE_DIR/$JBR_BUNDLE
+
+JBR=$JBR_BASE_NAME-linux-aarch64-b$build_number
+grep -v javafx modules.list | grep -v "jdk.internal.vm\|jdk.aot\|jcef" > modules.list.aarch64
+echo Running jlink....
+${JSDK}/bin/jlink \
+  --module-path ${JSDK}/jmods --no-man-pages --compress=2 \
+  --add-modules $(xargs < modules.list.aarch64 | sed s/" "//g | sed s/,$//g) \
+  --output ${BASE_DIR}/${JBR_BUNDLE} || exit $?
+
+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 $?
+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 $?

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

@@ -0,0 +1,136 @@
+#!/bin/bash -x
+
+# The following parameters must be specified:
+#   JBSDK_VERSION    - specifies major version of OpenJDK e.g. 11_0_6 (instead of dots '.' underbars "_" are used)
+#   JDK_BUILD_NUMBER - specifies update release of OpenJDK build or the value of --with-version-build argument to configure
+#   build_number     - specifies the number of JetBrainsRuntime build
+#   bundle_type      - specifies bundle to be built; possible values:
+#                        <empty> or nomod - the release bundles without any additional modules (jcef)
+#                        jcef - the release bundles with jcef
+#                        fd - the fastdebug bundles which also include the jcef module
+#
+# jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+# jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+#
+# $ ./java --version
+# openjdk 11.0.6 2020-01-14
+# OpenJDK Runtime Environment (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number})
+# OpenJDK 64-Bit Server VM (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number}, mixed mode)
+#
+# Environment variables:
+#   JCEF_PATH - specifies the path to the directory with JCEF binaries.
+#               By default JCEF binaries should be located in ./jcef_linux_x64
+
+JBSDK_VERSION=$1
+JDK_BUILD_NUMBER=$2
+build_number=$3
+bundle_type=$4
+JBSDK_VERSION_WITH_DOTS=$(echo $JBSDK_VERSION | sed 's/_/\./g')
+JCEF_PATH=${JCEF_PATH:=./jcef_linux_x64}
+
+source jb/project/tools/common/scripts/common.sh
+
+function create_image_bundle {
+  __bundle_name=$1
+  __arch_name=$2
+  __modules_path=$3
+  __modules=$4
+
+  [ "$bundle_type" == "fd" ] && [ "$__bundle_name" == "$JBRSDK_BUNDLE" ] && fastdebug_infix="fastdebug-"
+  JBR=${__bundle_name}-${JBSDK_VERSION}-linux-x64-${fastdebug_infix}b${build_number}
+
+  echo Running jlink....
+  [ -d "$IMAGES_DIR"/"$__arch_name" ] && rm -rf "${IMAGES_DIR:?}"/"$__arch_name"
+  $JSDK/bin/jlink \
+    --module-path "$__modules_path" --no-man-pages --compress=2 \
+    --add-modules "$__modules" --output "$IMAGES_DIR"/"$__arch_name"
+
+  grep -v "^JAVA_VERSION" "$JSDK"/release | grep -v "^MODULES" >> "$IMAGES_DIR"/"$__arch_name"/release
+  if [ "$__bundle_name" == "$JBRSDK_BUNDLE" ]; then
+    sed 's/JBR/JBRSDK/g' "$IMAGES_DIR"/"$__arch_name"/release > release
+    mv release "$IMAGES_DIR"/"$__arch_name"/release
+  fi
+
+  # jmod does not preserve file permissions (JDK-8173610)
+  [ -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 $?
+  [ -f "$JBR".tar.gz ] && rm "$JBR.tar.gz"
+  gzip "$JBR".tar || do_exit $?
+  rm -rf "${IMAGES_DIR:?}"/"$__arch_name"
+}
+
+WITH_DEBUG_LEVEL="--with-debug-level=release"
+RELEASE_NAME=linux-x86_64-server-release
+
+case "$bundle_type" in
+  "jcef")
+    do_reset_changes=1
+    ;;
+  "dcevm")
+    HEAD_REVISION=$(git rev-parse HEAD)
+    git am jb/project/tools/patches/dcevm/*.patch || do_exit $?
+    do_reset_dcevm=1
+    do_reset_changes=1
+    ;;
+  "nomod" | "")
+    bundle_type=""
+    ;;
+  "fd")
+    do_reset_changes=1
+    WITH_DEBUG_LEVEL="--with-debug-level=fastdebug"
+    RELEASE_NAME=linux-x86_64-server-fastdebug
+    ;;
+esac
+
+sh configure \
+  $WITH_DEBUG_LEVEL \
+  --with-vendor-name="$VENDOR_NAME" \
+  --with-vendor-version-string="$VENDOR_VERSION_STRING" \
+  --with-version-pre= \
+  --with-version-build="$JDK_BUILD_NUMBER" \
+  --with-version-opt=b"$build_number" \
+  --with-boot-jdk="$BOOT_JDK" \
+  --enable-cds=yes || do_exit $?
+
+make clean CONF=$RELEASE_NAME || exit $?
+make images CONF=$RELEASE_NAME || do_exit $?
+
+IMAGES_DIR=build/$RELEASE_NAME/images
+JSDK=$IMAGES_DIR/jdk
+JSDK_MODS_DIR=$IMAGES_DIR/jmods
+JBRSDK_BUNDLE=jbrsdk
+
+echo Fixing permissions
+chmod -R a+r $JSDK
+
+if [ "$bundle_type" == "jcef" ] || [ "$bundle_type" == "dcevm" ] || [ "$bundle_type" == "fd" ]; then
+  git apply -p0 < jb/project/tools/patches/add_jcef_module.patch || do_exit $?
+  update_jsdk_mods $JSDK $JCEF_PATH/jmods $JSDK/jmods $JSDK_MODS_DIR || do_exit $?
+  cp $JCEF_PATH/jmods/* $JSDK_MODS_DIR # $JSDK/jmods is not changed
+
+  jbr_name_postfix="_${bundle_type}"
+fi
+
+# create runtime image bundle
+modules=$(xargs < modules.list | sed s/" "//g) || do_exit $?
+create_image_bundle "jbr${jbr_name_postfix}" "jbr" $JSDK_MODS_DIR "$modules" || do_exit $?
+
+# create sdk image bundle
+modules=$(cat $JSDK/release | grep MODULES | sed s/MODULES=//g | sed s/' '/','/g | sed s/\"//g | sed s/\\n//g) || do_exit $?
+if [ "$bundle_type" == "jcef" ] || [ "$bundle_type" == "dcevm" ] || [ "$bundle_type" == "fd" ] || [ "$bundle_type" == "$JBRSDK_BUNDLE" ]; then
+  modules=${modules},$(get_mods_list "$JCEF_PATH"/jmods)
+fi
+create_image_bundle $JBRSDK_BUNDLE $JBRSDK_BUNDLE $JSDK_MODS_DIR "$modules" || do_exit $?
+
+if [ -z "$bundle_type" ]; then
+    JBRSDK_TEST=${JBRSDK_BUNDLE}-${JBSDK_VERSION}-linux-test-x64-b${build_number}
+    echo Creating "$JBRSDK_TEST" ...
+    make test-image CONF=$RELEASE_NAME || do_exit $?
+    tar -pcf "$JBRSDK_TEST".tar -C $IMAGES_DIR --exclude='test/jdk/demos' test || do_exit $?
+    [ -f "$JBRSDK_TEST.tar.gz" ] && rm "$JBRSDK_TEST.tar.gz"
+    gzip "$JBRSDK_TEST".tar || do_exit $?
+fi
+
+do_exit 0

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

@@ -0,0 +1,80 @@
+#!/bin/bash -x
+
+# The following parameters must be specified:
+#   JBSDK_VERSION    - specifies the current version of OpenJDK e.g. 11_0_6
+#   JDK_BUILD_NUMBER - specifies the number of OpenJDK build or the value of --with-version-build argument to configure
+#   build_number     - specifies the number of JetBrainsRuntime build
+#
+# jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+# jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+#
+# $ ./java --version
+# openjdk 11.0.6 2020-01-14
+# OpenJDK Runtime Environment (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number})
+# OpenJDK 64-Bit Server VM (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number}, mixed mode)
+#
+
+JBSDK_VERSION=$1
+JDK_BUILD_NUMBER=$2
+build_number=$3
+
+JBSDK_VERSION_WITH_DOTS=$(echo $JBSDK_VERSION | sed 's/_/\./g')
+
+source jb/project/tools/common/scripts/common.sh
+
+JBRSDK_BASE_NAME=jbrsdk-${JBSDK_VERSION}
+
+[ -z "$bundle_type" ] && (git apply -p0 < jb/project/tools/patches/exclude_jcef_module.patch || exit $?)
+
+linux32 bash configure \
+  --with-debug-level=release \
+  --with-vendor-name="${VENDOR_NAME}" \
+  --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+  --with-version-pre= \
+  --with-version-build=$JDK_BUILD_NUMBER \
+  --with-version-opt=b${build_number} \
+  --with-boot-jdk=${BOOT_JDK} \
+  --enable-cds=yes || exit $?
+make clean CONF=linux-x86-server-release || exit $?
+make images CONF=linux-x86-server-release test-image || exit $?
+
+JBSDK=${JBRSDK_BASE_NAME}-linux-x86-b${build_number}
+BASE_DIR=build/linux-x86-server-release/images
+JSDK=${BASE_DIR}/jdk
+JBRSDK_BUNDLE=jbrsdk
+
+echo Fixing permissions
+chmod -R a+r $JSDK
+
+rm -rf $BASE_DIR/$JBRSDK_BUNDLE
+cp -r $JSDK $BASE_DIR/$JBRSDK_BUNDLE || exit $?
+
+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 --exclude=*.debuginfo --exclude=demo --exclude=sample --exclude=man -C $BASE_DIR ${JBRSDK_BUNDLE} || exit $?
+gzip $JBSDK.tar || exit $?
+
+JBR_BUNDLE=jbr
+JBR_BASE_NAME=jbr-$JBSDK_VERSION
+rm -rf $BASE_DIR/$JBR_BUNDLE
+
+JBR=$JBR_BASE_NAME-linux-x86-b$build_number
+grep -v javafx modules.list | grep -v "jdk.internal.vm\|jdk.aot\|jcef" > modules.list.x86
+echo Running jlink....
+${JSDK}/bin/jlink \
+  --module-path ${JSDK}/jmods --no-man-pages --compress=2 \
+  --add-modules $(xargs < modules.list.x86 | sed s/" "//g | sed s/,$//g) --output ${BASE_DIR}/${JBR_BUNDLE} || exit $?
+
+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 $?
+gzip $JBR.tar || exit $?
+
+JBRSDK_TEST=$JBRSDK_BASE_NAME-linux-test-x86-b$build_number
+echo Creating $JBRSDK_TEST.tar.gz ...
+tar -pcf $JBRSDK_TEST.tar -C $BASE_DIR --exclude='test/jdk/demos' --exclude='test/hotspot/gtest' test || exit $?
+gzip $JBRSDK_TEST.tar || exit $?

jb/project/tools/mac/scripts/entitlements.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <key>com.apple.security.cs.allow-jit</key>
+        <true/>
+        <key>com.apple.security.cs.allow-unsigned-executable-memory</key>
+        <true/>
+        <key>com.apple.security.cs.allow-dyld-environment-variables</key>
+        <true/>
+        <key>com.apple.security.cs.disable-library-validation</key>
+        <true/>
+        <key>com.apple.security.cs.disable-executable-page-protection</key>
+        <true/>
+    </dict>
+</plist>

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

@@ -0,0 +1,175 @@
+#!/bin/bash -x
+
+# The following parameters must be specified:
+#   JBSDK_VERSION    - specifies major version of OpenJDK e.g. 11_0_6 (instead of dots '.' underbars "_" are used)
+#   JDK_BUILD_NUMBER - specifies update release of OpenJDK build or the value of --with-version-build argument to configure
+#   build_number     - specifies the number of JetBrainsRuntime build
+#   bundle_type      - specifies bundle to be built; possible values:
+#                        <empty> or nomod - the release bundles without any additional modules (jcef)
+#                        jcef - the release bundles with jcef
+#                        fd - the fastdebug bundles which also include the jcef module
+#
+# jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+# jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+#
+# $ ./java --version
+# openjdk 11.0.6 2020-01-14
+# OpenJDK Runtime Environment (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number})
+# OpenJDK 64-Bit Server VM (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number}, mixed mode)
+#
+# Environment variables:
+#   JCEF_PATH - specifies the path to the directory with JCEF binaries.
+#               By default JCEF binaries should be located in ./jcef_mac
+
+JBSDK_VERSION=$1
+JDK_BUILD_NUMBER=$2
+build_number=$3
+bundle_type=$4
+architecture=$5 # aarch64 or x64
+enable_aot=$6 # temporary param for building test jre with aot under aarch64
+JBSDK_VERSION_WITH_DOTS=$(echo $JBSDK_VERSION | sed 's/_/\./g')
+WITH_IMPORT_MODULES="--with-import-modules=${MODULAR_SDK_PATH:=./modular-sdk}"
+JCEF_PATH=${JCEF_PATH:=./jcef_mac}
+architecture=${architecture:=x64}
+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 create_image_bundle {
+  __bundle_name=$1
+  __arch_name=$2
+  __modules_path=$3
+  __modules=$4
+
+  tmp=.bundle.$$.tmp
+  mkdir "$tmp" || do_exit $?
+
+  [ "$bundle_type" == "fd" ] && [ "$__bundle_name" == "$JBRSDK_BUNDLE" ] && fastdebug_infix="fastdebug-"
+  JBR=${__bundle_name}-${JBSDK_VERSION}-osx-${architecture}-${fastdebug_infix}b${build_number}
+
+  JRE_CONTENTS=$tmp/$__arch_name/Contents
+  mkdir -p "$JRE_CONTENTS" || do_exit $?
+
+  echo Running jlink...
+  "$JSDK"/bin/jlink \
+    --module-path "$__modules_path" --no-man-pages --compress=2 \
+    --add-modules "$__modules" --output "$JRE_CONTENTS/Home" || do_exit $?
+
+  grep -v "^JAVA_VERSION" "$JSDK"/release | grep -v "^MODULES" >> "$JRE_CONTENTS/Home/release"
+  if [ "$__bundle_name" == "$JBRSDK_BUNDLE" ]; then
+    sed 's/JBR/JBRSDK/g' $JRE_CONTENTS/Home/release > release
+    mv release $JRE_CONTENTS/Home/release
+  fi
+
+  cp -R "$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 $?
+  rm -rf "$tmp"
+}
+
+WITH_DEBUG_LEVEL="--with-debug-level=release"
+CONF_ARCHITECTURE=x86_64
+if [[ "${architecture}" == *aarch64* ]]; then
+  CONF_ARCHITECTURE=aarch64
+fi
+RELEASE_NAME=macosx-${CONF_ARCHITECTURE}-server-release
+
+case "$bundle_type" in
+  "jcef")
+    do_reset_changes=1
+    ;;
+  "dcevm")
+    HEAD_REVISION=$(git rev-parse HEAD)
+    git am jb/project/tools/patches/dcevm/*.patch || do_exit $?
+    do_reset_dcevm=1
+    do_reset_changes=1
+    ;;
+  "nomod" | "")
+    bundle_type=""
+    ;;
+  "fd")
+    do_reset_changes=1
+    WITH_DEBUG_LEVEL="--with-debug-level=fastdebug"
+    RELEASE_NAME=macosx-${CONF_ARCHITECTURE}-server-fastdebug
+    JBSDK=macosx-${architecture}-server-release
+    ;;
+esac
+
+if [[ "${architecture}" == *aarch64* ]]; then
+  sh configure \
+    $WITH_DEBUG_LEVEL \
+    --with-vendor-name="${VENDOR_NAME}" \
+    --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+    --with-version-pre= \
+    --with-version-build="${JDK_BUILD_NUMBER}" \
+    --with-version-opt=b"${build_number}" \
+    --with-boot-jdk="$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="$VENDOR_VERSION_STRING" \
+    --with-version-pre= \
+    --with-version-build="$JDK_BUILD_NUMBER" \
+    --with-version-opt=b"$build_number" \
+    --with-boot-jdk="$BOOT_JDK" \
+    --enable-cds=yes || 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
+JSDK_MODS_DIR=$IMAGES_DIR/jmods
+JBRSDK_BUNDLE=jbrsdk
+
+if [ "$bundle_type" == "jcef" ] || [ "$bundle_type" == "dcevm" ] || [ "$bundle_type" == "fd" ]; then
+  git apply -p0 < jb/project/tools/patches/add_jcef_module.patch || do_exit $?
+  update_jsdk_mods "$JSDK" "$JCEF_PATH"/jmods "$JSDK"/jmods "$JSDK_MODS_DIR" || do_exit $?
+  cp $JCEF_PATH/jmods/* $JSDK_MODS_DIR # $JSDK/jmods is not changed
+
+  jbr_name_postfix="_${bundle_type}"
+fi
+
+# create runtime image bundle
+modules=$(xargs < modules.list | sed s/" "//g) || do_exit $?
+create_image_bundle "jbr${jbr_name_postfix}" "jbr" $JSDK_MODS_DIR "$modules" || do_exit $?
+
+# create sdk image bundle
+modules=$(cat "$JSDK"/release | grep MODULES | sed s/MODULES=//g | sed s/' '/','/g | sed s/\"//g | sed s/\\n//g) || do_exit $?
+if [ "$bundle_type" == "jcef" ] || [ "$bundle_type" == "dcevm" ] || [ "$bundle_type" == "fd" ] || [ "$bundle_type" == "$JBRSDK_BUNDLE" ]; then
+  modules=${modules},$(get_mods_list "$JCEF_PATH"/jmods)
+fi
+create_image_bundle "$JBRSDK_BUNDLE" "$JBRSDK_BUNDLE" "$JSDK_MODS_DIR" "$modules" || do_exit $?
+
+if [ -z "$bundle_type" ]; then
+    JBRSDK_TEST=${JBRSDK_BUNDLE}-${JBSDK_VERSION}-osx-test-${architecture}-b${build_number}
+    echo Creating "$JBRSDK_TEST" ...
+    make test-image CONF=$RELEASE_NAME || do_exit $?
+    [ -f "$JBRSDK_TEST.tar.gz" ] && rm "$JBRSDK_TEST.tar.gz"
+    COPYFILE_DISABLE=1 tar -pczf "$JBRSDK_TEST".tar.gz -C $IMAGES_DIR --exclude='test/jdk/demos' test || do_exit $?
+fi
+
+do_exit 0

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

@@ -0,0 +1,120 @@
+#!/bin/bash
+
+APP_DIRECTORY=$1
+APPL_USER=$2
+APPL_PASSWORD=$3
+APP_NAME=$4
+BUNDLE_ID=$5
+FAKE_ROOT="${6:-fake-root}"
+
+if [[ -z "$APP_DIRECTORY" ]] || [[ -z "$APPL_USER" ]] || [[ -z "$APPL_PASSWORD" ]]; then
+  echo "Usage: $0 AppDirectory Username Password"
+  exit 1
+fi
+if [[ ! -d "$APP_DIRECTORY" ]]; then
+  echo "AppDirectory '$APP_DIRECTORY' does not exist or not a directory"
+  exit 1
+fi
+
+function log() {
+  echo "$(date '+[%H:%M:%S]') $*"
+}
+
+function publish-log() {
+  id=$1
+  file=$2
+  curl -T "$file" "$ARTIFACTORY_URL/$id" || true
+}
+
+function altool-upload() {
+  # Since altool uses same file for upload token we have to trick it into using different folders for token file location
+  # Also it copies zip into TMPDIR so we override it too, to simplify cleanup
+  OLD_HOME="$HOME"
+  export HOME="$FAKE_ROOT/home"
+  export TMPDIR="$FAKE_ROOT/tmp"
+  mkdir -p "$HOME"
+  mkdir -p "$TMPDIR"
+  export _JAVA_OPTIONS="-Duser.home=$HOME -Djava.io.tmpdir=$TMPDIR"
+  # Reduce amount of downloads, cache transporter libraries
+  shared_itmstransporter="$OLD_HOME/shared-itmstransporter"
+  if [[ -f "$shared_itmstransporter" ]]; then
+    cp -r "$shared_itmstransporter" "$HOME/.itmstransporter"
+  fi
+  # For some reason altool prints everything to stderr, not stdout
+  set +e
+  xcrun altool --notarize-app \
+    --username "$APPL_USER" --password "$APPL_PASSWORD" \
+    --primary-bundle-id "$BUNDLE_ID" \
+    --asc-provider JetBrainssro --file "$1" 2>&1 | tee "altool.init.out"
+  unset TMPDIR
+  export HOME="$OLD_HOME"
+  set -e
+}
+
+#immediately exit script with an error if a command fails
+set -euo pipefail
+
+file="$APP_NAME.zip"
+
+log "Zipping $file..."
+rm -rf "$file"
+ditto -c -k --sequesterRsrc --keepParent "$APP_DIRECTORY/Contents" "$file"
+
+log "Notarizing $file..."
+rm -rf "altool.init.out" "altool.check.out"
+altool-upload "$file"
+
+rm -rf "$file"
+
+notarization_info="$(grep -e "RequestUUID" "altool.init.out" | grep -oE '([0-9a-f-]{36})')"
+
+if [ -z "$notarization_info" ]; then
+  log "Faile to read RequestUUID from altool.init.out"
+  exit 10
+fi
+
+PATH="$PATH:/usr/local/bin/"
+
+log "Notarization request sent, awaiting response"
+spent=0
+
+while true; do
+  # For some reason altool prints everything to stderr, not stdout
+  xcrun altool --username "$APPL_USER" --notarization-info "$notarization_info" --password "$APPL_PASSWORD" >"altool.check.out" 2>&1 || true
+  status="$(grep -oe 'Status: .*' "altool.check.out" | cut -c 9- || true)"
+  log "Current status: $status"
+  if [ "$status" = "invalid" ]; then
+    log "Notarization failed"
+    ec=1
+  elif [ "$status" = "success" ]; then
+    log "Notarization succeeded"
+    ec=0
+  else
+    if [ "$status" != "in progress" ]; then
+      log "Unknown notarization status, waiting more, altool output:"
+      cat "altool.check.out"
+    fi
+    if [[ $spent -gt 60 ]]; then
+      log "Waiting time out (apx 60 minutes)"
+      ec=2
+      break
+    fi
+    sleep 60
+    ((spent += 1))
+    continue
+  fi
+  developer_log="developer_log.json"
+  log "Fetching $developer_log"
+  # TODO: Replace cut with trim or something better
+  url="$(grep -oe 'LogFileURL: .*' "altool.check.out" | cut -c 13-)"
+  wget "$url" -O "$developer_log" && cat "$developer_log" || true
+  if [ $ec != 0 ]; then
+    log "Publishing $developer_log"
+    publish-log "$notarization_info" "$developer_log"
+  fi
+  break
+done
+cat "altool.check.out"
+
+rm -rf "altool.init.out" "altool.check.out"
+exit $ec

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

@@ -0,0 +1,107 @@
+#!/bin/bash
+
+APP_DIRECTORY=$1
+JB_CERT=$2
+
+if [[ -z "$APP_DIRECTORY" ]] || [[ -z "$JB_CERT" ]]; then
+  echo "Usage: $0 AppDirectory CertificateID"
+  exit 1
+fi
+if [[ ! -d "$APP_DIRECTORY" ]]; then
+  echo "AppDirectory '$APP_DIRECTORY' does not exist or not a directory"
+  exit 1
+fi
+
+function log() {
+  echo "$(date '+[%H:%M:%S]') $*"
+}
+
+#immediately exit script with an error if a command fails
+set -euo pipefail
+
+# Cleanup files left from previous sign attempt (if any)
+find "$APP_DIRECTORY" -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 "$JB_CERT" --options=runtime \
+      --entitlements entitlements.xml {} \;
+  fi
+done
+
+if [ -d "$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\" " {} \; |
+  while IFS= read -r -d $'\0' file; do
+    log "Processing libraries in $file"
+
+    rm -rf jarfolder jar.jar
+    mkdir jarfolder
+    filename="${file##*/}"
+    log "Filename: $filename"
+    cp "$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 "$JB_CERT" --options=runtime \
+      --entitlements entitlements.xml {} \;
+
+    (cd jarfolder; zip -q -r -o ../jar.jar .)
+    mv jar.jar "$file"
+  done
+
+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 "$JB_CERT" --options=runtime \
+      --entitlements entitlements.xml {} \;
+  fi
+done
+
+#log "Signing executable..."
+#codesign --timestamp \
+#    -v -s "$JB_CERT" --options=runtime \
+#    --force \
+#    --entitlements entitlements.xml "$APP_DIRECTORY/Contents/MacOS/idea"
+
+log "Signing whole app..."
+codesign --timestamp \
+  -v -s "$JB_CERT" --options=runtime \
+  --force \
+  --entitlements entitlements.xml "$APP_DIRECTORY"
+
+log "Verifying java is not broken"
+find "$APP_DIRECTORY" \
+  -type f -name 'java' -perm +111 -exec {} -version \;

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

@@ -0,0 +1,134 @@
+#!/bin/bash -x
+
+#immediately exit script with an error if a command fails
+set -euo pipefail
+
+export COPY_EXTENDED_ATTRIBUTES_DISABLE=true
+export COPYFILE_DISABLE=true
+
+INPUT_FILE=$1
+EXPLODED=$2.exploded
+BACKUP_JMODS=$2.backup
+USERNAME=$3
+PASSWORD=$4
+CODESIGN_STRING=$5
+NOTARIZE=$6
+BUNDLE_ID=$7
+
+cd "$(dirname "$0")"
+
+function log() {
+  echo "$(date '+[%H:%M:%S]') $*"
+}
+
+log "Deleting $EXPLODED ..."
+if test -d "$EXPLODED"; then
+  find "$EXPLODED" -mindepth 1 -maxdepth 1 -exec chmod -R u+wx '{}' \;
+fi
+rm -rf "$EXPLODED"
+mkdir "$EXPLODED"
+rm -rf "$BACKUP_JMODS"
+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
+rm -f $EXPLODED/$BUILD_NAME/Contents/CodeResources
+rm "$INPUT_FILE"
+if test -d $EXPLODED/$BUILD_NAME/Contents/Home/jmods; then
+  mv $EXPLODED/$BUILD_NAME/Contents/Home/jmods $BACKUP_JMODS
+fi
+
+log "$INPUT_FILE extracted and removed"
+
+APPLICATION_PATH="$EXPLODED/$BUILD_NAME"
+
+find "$APPLICATION_PATH/Contents/Home/bin" \
+  -maxdepth 1 -type f -name '*.jnilib' -print0 |
+  while IFS= read -r -d $'\0' file; do
+    if [ -f "$file" ]; then
+      log "Linking $file"
+      b="$(basename "$file" .jnilib)"
+      ln -sf "$b.jnilib" "$(dirname "$file")/$b.dylib"
+    fi
+  done
+
+find "$APPLICATION_PATH/Contents/" \
+  -maxdepth 1 -type f -name '*.txt' -print0 |
+  while IFS= read -r -d $'\0' file; do
+    if [ -f "$file" ]; then
+      log "Moving $file"
+      mv "$file" "$APPLICATION_PATH/Contents/Resources"
+    fi
+  done
+
+non_plist=$(find "$APPLICATION_PATH/Contents/" -maxdepth 1 -type f -and -not -name 'Info.plist' | wc -l)
+if [[ $non_plist -gt 0 ]]; then
+  log "Only Info.plist file is allowed in Contents directory but found $non_plist file(s):"
+  log "$(find "$APPLICATION_PATH/Contents/" -maxdepth 1 -type f -and -not -name 'Info.plist')"
+  exit 1
+fi
+
+log "Unlocking keychain..."
+# Make sure *.p12 is imported into local KeyChain
+security unlock-keychain -p "$PASSWORD" "/Users/$USERNAME/Library/Keychains/login.keychain"
+
+attempt=1
+limit=3
+set +e
+while [[ $attempt -le $limit ]]; do
+  log "Signing (attempt $attempt) $APPLICATION_PATH ..."
+  ./sign.sh "$APPLICATION_PATH" "$CODESIGN_STRING"
+  ec=$?
+  if [[ $ec -ne 0 ]]; then
+    ((attempt += 1))
+    if [ $attempt -eq $limit ]; then
+      set -e
+    fi
+    log "Signing failed, wait for 30 sec and try to sign again"
+    sleep 30
+  else
+    log "Signing done"
+    codesign -v "$APPLICATION_PATH" -vvvvv
+    log "Check sign done"
+    ((attempt += limit))
+  fi
+done
+
+set -e
+
+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" "$FAKE_ROOT"
+  rm -rf "$FAKE_ROOT"
+
+  set +e
+  log "Stapling..."
+  xcrun stapler staple "$APPLICATION_PATH"
+else
+  log "Notarization disabled"
+  log "Stapling disabled"
+fi
+
+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
+  fi
+
+  tar -pczvf $INPUT_FILE --exclude='*.dSYM' --exclude='man' -C $EXPLODED $BUILD_NAME
+  log "Finished zipping"
+)
+rm -rf "$EXPLODED"
+log "Done"

jb/project/tools/patches/add_jcef_module.patch

@@ -0,0 +1,30 @@
+diff --git modules.list modules.list
+index 7c4b3e9cb6d..5ed60349ca7 100644
+--- modules.list
++++ modules.list
+@@ -53,4 +53,7 @@ jdk.security.jgss,
+ jdk.unsupported,
+ jdk.xml.dom,
+ jdk.zipfs,
+-jdk.hotspot.agent
++jdk.hotspot.agent,
++jcef,
++gluegen.rt,
++jogl.all
+diff --git src/java.desktop/share/classes/module-info.java src/java.desktop/share/classes/module-info.java
+index b663b382f52..3e9acdc0c27 100644
+--- src/java.desktop/share/classes/module-info.java
++++ src/java.desktop/share/classes/module-info.java
+@@ -109,7 +109,11 @@ module java.desktop {
+     // see make/GensrcModuleInfo.gmk
+     exports sun.awt to
+         jdk.accessibility,
+-        jdk.unsupported.desktop;
++        jdk.unsupported.desktop,
++        jcef,
++        jogl.all;
++
++    exports java.awt.peer to jcef;
+ 
+     exports java.awt.dnd.peer to jdk.unsupported.desktop;
+     exports sun.awt.dnd to jdk.unsupported.desktop;

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

@@ -0,0 +1,29 @@
+From ffd00e3a296ec114dea09fd064cb690317b0cf80 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 03/37] Fix class cast exception on redefinition of class A,
+ that is superclass of B that has anonymous class C
+
+---
+ src/hotspot/share/oops/instanceKlass.cpp | 5 ++++-
+ 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
+--- a/src/hotspot/share/oops/instanceKlass.cpp
++++ b/src/hotspot/share/oops/instanceKlass.cpp
+@@ -908,7 +908,10 @@ bool InstanceKlass::link_class_impl(TRAPS) {
+ 
+     if (!is_linked()) {
+       if (!is_rewritten()) {
+-        {
++        // (DCEVM): If class A is being redefined and class B->A (B is extended from A) and B is host class of anonymous class C
++        // then second redefinition fails with cannot cast klass exception. So we currently turn off bytecode verification
++        // on redefinition.
++        if (!AllowEnhancedClassRedefinition || !newest_version()->is_redefining()) {
+           bool verify_ok = verify_code(THREAD);
+           if (!verify_ok) {
+             return false;
+-- 
+2.23.0
+

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

@@ -0,0 +1,206 @@
+From 81d2b3f28b5ddf4fcdd0b2b45e892dc0dec7cbba 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 04/37] Support for Lambda class redefinition
+
+---
+ .../share/classfile/classLoaderData.cpp       |  9 +++
+ .../share/classfile/classLoaderData.hpp       |  2 +-
+ .../share/classfile/systemDictionary.cpp      | 10 ++-
+ .../prims/jvmtiEnhancedRedefineClasses.cpp    | 65 +++++++++++++++++--
+ .../prims/jvmtiEnhancedRedefineClasses.hpp    |  1 +
+ .../share/prims/resolvedMethodTable.cpp       |  2 +
+ 6 files changed, 80 insertions(+), 9 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/classLoaderData.cpp b/src/hotspot/share/classfile/classLoaderData.cpp
+index 897f61e0e44..66963dc0892 100644
+--- a/src/hotspot/share/classfile/classLoaderData.cpp
++++ b/src/hotspot/share/classfile/classLoaderData.cpp
+@@ -599,6 +599,15 @@ Dictionary* ClassLoaderData::create_dictionary() {
+   return new Dictionary(this, size, resizable);
+ }
+ 
++void ClassLoaderData::exchange_holders(ClassLoaderData* cld) {
++  oop holder_oop = _holder.peek();
++  _holder.replace(cld->_holder.peek());
++  cld->_holder.replace(holder_oop);
++  WeakHandle<vm_class_loader_data> exchange = _holder;
++  _holder = cld->_holder;
++  cld->_holder = exchange;
++}
++
+ // Tell the GC to keep this klass alive while iterating ClassLoaderDataGraph
+ oop ClassLoaderData::holder_phantom() const {
+   // A klass that was previously considered dead can be looked up in the
+diff --git a/src/hotspot/share/classfile/classLoaderData.hpp b/src/hotspot/share/classfile/classLoaderData.hpp
+index 5a81ab90ca3..bda39f3e353 100644
+--- a/src/hotspot/share/classfile/classLoaderData.hpp
++++ b/src/hotspot/share/classfile/classLoaderData.hpp
+@@ -175,7 +175,7 @@ class ClassLoaderData : public CHeapObj<mtClass> {
+ 
+   oop holder_no_keepalive() const;
+   oop holder_phantom() const;
+-
++  void exchange_holders(ClassLoaderData* cld);
+  private:
+   void unload();
+   bool keep_alive() const       { return _keep_alive > 0; }
+diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
+index 2bfd9cb802f..cea614a574f 100644
+--- a/src/hotspot/share/classfile/systemDictionary.cpp
++++ b/src/hotspot/share/classfile/systemDictionary.cpp
+@@ -825,10 +825,14 @@ InstanceKlass* SystemDictionary::resolve_hidden_class_from_stream(
+                                                      Symbol* class_name,
+                                                      Handle class_loader,
+                                                      const ClassLoadInfo& cl_info,
++                                                     InstanceKlass* old_klass,
+                                                      TRAPS) {
+ 
+   EventClassLoad class_load_start_event;
+   ClassLoaderData* loader_data;
++ 
++  bool is_redefining = (old_klass != NULL);
++  
+ 
+   // - for hidden classes that are not strong: create a new CLD that has a class holder and
+   //                                           whose loader is the Lookup class's loader.
+@@ -845,9 +849,13 @@ InstanceKlass* SystemDictionary::resolve_hidden_class_from_stream(
+                                                       class_name,
+                                                       loader_data,
+                                                       cl_info,
+-                                                      false, // pick_newest
++                                                      is_redefining, // pick_newest
+                                                       CHECK_NULL);
+   assert(k != NULL, "no klass created");
++  if (is_redefining && k != NULL) {
++    k->set_redefining(true);
++    k->set_old_version(old_klass);
++  }
+ 
+   // 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 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;
+@@ -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();
+ 
+@@ -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];
+@@ -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.
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
+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
+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
++++ b/src/hotspot/share/prims/resolvedMethodTable.cpp
+@@ -409,6 +409,8 @@ void ResolvedMethodTable::adjust_method_entries_dcevm(bool * trace_name_printed)
+         InstanceKlass* newer_klass = InstanceKlass::cast(old_method->method_holder()->new_version());
+         Method* newer_method = newer_klass->method_with_idnum(old_method->orig_method_idnum());
+ 
++        log_info(redefine, class, load, exceptions)("Adjusting method: '%s' of new class %s", newer_method->name_and_sig_as_C_string(), newer_klass->name()->as_C_string());
++
+         assert(newer_klass == newer_method->method_holder(), "call after swapping redefined guts");
+         assert(newer_method != NULL, "method_with_idnum() should not be NULL");
+         assert(old_method != newer_method, "sanity check");
+-- 
+2.23.0
+

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

@@ -0,0 +1,135 @@
+From e19d78220e243827c51fd844b8c29fee77f7c47c 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 05/37] Fix "no original bytecode found" error if method with
+ bkp is missing
+
+Sometimes IDE can deploy class with erroneous method, such method has
+n bytecode, but breakpoint position can still exist.
+---
+ src/hotspot/share/interpreter/bytecodes.cpp    |  2 +-
+ .../share/interpreter/interpreterRuntime.cpp   |  2 +-
+ src/hotspot/share/oops/method.cpp              |  8 ++++----
+ src/hotspot/share/oops/method.hpp              |  4 ++--
+ .../prims/jvmtiEnhancedRedefineClasses.cpp     | 18 ++++++++++--------
+ 5 files changed, 18 insertions(+), 16 deletions(-)
+
+diff --git a/src/hotspot/share/interpreter/bytecodes.cpp b/src/hotspot/share/interpreter/bytecodes.cpp
+index 6711ba735db..4f0b655265a 100644
+--- a/src/hotspot/share/interpreter/bytecodes.cpp
++++ b/src/hotspot/share/interpreter/bytecodes.cpp
+@@ -84,7 +84,7 @@ Bytecodes::Code Bytecodes::code_at(Method* method, int bci) {
+ Bytecodes::Code Bytecodes::non_breakpoint_code_at(const Method* method, address bcp) {
+   assert(method != NULL, "must have the method for breakpoint conversion");
+   assert(method->contains(bcp), "must be valid bcp in method");
+-  return method->orig_bytecode_at(method->bci_from(bcp));
++  return method->orig_bytecode_at(method->bci_from(bcp), false);
+ }
+ 
+ int Bytecodes::special_length_at(Bytecodes::Code code, address bcp, address end) {
+diff --git a/src/hotspot/share/interpreter/interpreterRuntime.cpp b/src/hotspot/share/interpreter/interpreterRuntime.cpp
+index d66ed24d862..9bfcd9eb479 100644
+--- a/src/hotspot/share/interpreter/interpreterRuntime.cpp
++++ b/src/hotspot/share/interpreter/interpreterRuntime.cpp
+@@ -788,7 +788,7 @@ JRT_END
+ // Invokes
+ 
+ JRT_ENTRY(Bytecodes::Code, InterpreterRuntime::get_original_bytecode_at(JavaThread* current, Method* method, address bcp))
+-  return method->orig_bytecode_at(method->bci_from(bcp));
++  return method->orig_bytecode_at(method->bci_from(bcp), false);
+ JRT_END
+ 
+ JRT_ENTRY(void, InterpreterRuntime::set_original_bytecode_at(JavaThread* current, Method* method, address bcp, Bytecodes::Code new_code))
+diff --git a/src/hotspot/share/oops/method.cpp b/src/hotspot/share/oops/method.cpp
+index 613c10a9d8c..a5a12599997 100644
+--- a/src/hotspot/share/oops/method.cpp
++++ b/src/hotspot/share/oops/method.cpp
+@@ -1853,14 +1853,14 @@ bool CompressedLineNumberReadStream::read_pair() {
+ 
+ #if INCLUDE_JVMTI
+ 
+-Bytecodes::Code Method::orig_bytecode_at(int bci) const {
++Bytecodes::Code Method::orig_bytecode_at(int bci, bool no_fatal) const {
+   BreakpointInfo* bp = method_holder()->breakpoints();
+   for (; bp != NULL; bp = bp->next()) {
+     if (bp->match(this, bci)) {
+       return bp->orig_bytecode();
+     }
+   }
+-  {
++  if (!no_fatal) {
+     ResourceMark rm;
+     fatal("no original bytecode found in %s at bci %d", name_and_sig_as_C_string(), bci);
+   }
+@@ -1998,7 +1998,7 @@ BreakpointInfo::BreakpointInfo(Method* m, int bci) {
+   _signature_index = m->signature_index();
+   _orig_bytecode = (Bytecodes::Code) *m->bcp_from(_bci);
+   if (_orig_bytecode == Bytecodes::_breakpoint)
+-    _orig_bytecode = m->orig_bytecode_at(_bci);
++    _orig_bytecode = m->orig_bytecode_at(_bci, false);
+   _next = NULL;
+ }
+ 
+@@ -2007,7 +2007,7 @@ void BreakpointInfo::set(Method* method) {
+   {
+     Bytecodes::Code code = (Bytecodes::Code) *method->bcp_from(_bci);
+     if (code == Bytecodes::_breakpoint)
+-      code = method->orig_bytecode_at(_bci);
++      code = method->orig_bytecode_at(_bci, false);
+     assert(orig_bytecode() == code, "original bytecode must be the same");
+   }
+ #endif
+diff --git a/src/hotspot/share/oops/method.hpp b/src/hotspot/share/oops/method.hpp
+index 030ddd1f675..a8d6507ff6c 100644
+--- a/src/hotspot/share/oops/method.hpp
++++ b/src/hotspot/share/oops/method.hpp
+@@ -226,7 +226,7 @@ class Method : public Metadata {
+ 
+   // JVMTI breakpoints
+ #if !INCLUDE_JVMTI
+-  Bytecodes::Code orig_bytecode_at(int bci) const {
++  Bytecodes::Code orig_bytecode_at(int bci, bool no_fatal) const {
+     ShouldNotReachHere();
+     return Bytecodes::_shouldnotreachhere;
+   }
+@@ -235,7 +235,7 @@ class Method : public Metadata {
+   };
+   u2   number_of_breakpoints() const {return 0;}
+ #else // !INCLUDE_JVMTI
+-  Bytecodes::Code orig_bytecode_at(int bci) const;
++  Bytecodes::Code orig_bytecode_at(int bci, bool no_fatal) const;
+   void set_orig_bytecode_at(int bci, Bytecodes::Code code);
+   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 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);
+-- 
+2.23.0
+

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

@@ -0,0 +1,83 @@
+From a90c5f3b22587dd46d39d1ee4032028b11db59ad 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 06/37] Replace deleted method with
+ Universe::throw_no_such_method_error
+
++ Change log level in advanced redefinition
+- Change log level for "Comparing different class ver.." to debug
+- Fix adjust_method_entries_dcevm logging levels and severity
+---
+ .../prims/jvmtiEnhancedRedefineClasses.cpp    |  2 +-
+ .../share/prims/resolvedMethodTable.cpp       | 30 +++++++++----------
+ 2 files changed, 16 insertions(+), 16 deletions(-)
+
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+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());
+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
++++ b/src/hotspot/share/prims/resolvedMethodTable.cpp
+@@ -399,25 +399,25 @@ void ResolvedMethodTable::adjust_method_entries_dcevm(bool * trace_name_printed)
+ 
+       if (old_method->is_old()) {
+ 
++        InstanceKlass* newer_klass = InstanceKlass::cast(old_method->method_holder()->new_version());
++        Method* newer_method;
++
+         // Method* new_method;
+         if (old_method->is_deleted()) {
+-          // FIXME:(DCEVM) - check if exception can be thrown
+-          // new_method = Universe::throw_no_such_method_error();
+-          continue;
+-        }
+-
+-        InstanceKlass* newer_klass = InstanceKlass::cast(old_method->method_holder()->new_version());
+-        Method* newer_method = newer_klass->method_with_idnum(old_method->orig_method_idnum());
++          newer_method = Universe::throw_no_such_method_error();
++        } else {
++          newer_method = newer_klass->method_with_idnum(old_method->orig_method_idnum());
+ 
+-        log_info(redefine, class, load, exceptions)("Adjusting method: '%s' of new class %s", newer_method->name_and_sig_as_C_string(), newer_klass->name()->as_C_string());
++          log_debug(redefine, class, update)("Adjusting method: '%s' of new class %s", newer_method->name_and_sig_as_C_string(), newer_klass->name()->as_C_string());
+ 
+-        assert(newer_klass == newer_method->method_holder(), "call after swapping redefined guts");
+-        assert(newer_method != NULL, "method_with_idnum() should not be NULL");
+-        assert(old_method != newer_method, "sanity check");
++          assert(newer_klass == newer_method->method_holder(), "call after swapping redefined guts");
++          assert(newer_method != NULL, "method_with_idnum() should not be NULL");
++          assert(old_method != newer_method, "sanity check");
+ 
+-        if (_the_table->lookup(newer_method) != NULL) {
+-          // old method was already adjusted if new method exists in _the_table
+-            continue;
++          if (_the_table->lookup(newer_method) != NULL) {
++            // old method was already adjusted if new method exists in _the_table
++              continue;
++          }
+         }
+ 
+         java_lang_invoke_ResolvedMethodName::set_vmtarget(mem_name, newer_method);
+@@ -428,7 +428,7 @@ void ResolvedMethodTable::adjust_method_entries_dcevm(bool * trace_name_printed)
+ 
+         ResourceMark rm;
+         if (!(*trace_name_printed)) {
+-          log_info(redefine, class, update)("adjust: name=%s", old_method->method_holder()->external_name());
++          log_debug(redefine, class, update)("adjust: name=%s", old_method->method_holder()->external_name());
+            *trace_name_printed = true;
+         }
+         log_debug(redefine, class, update, constantpool)
+-- 
+2.23.0
+

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

@@ -0,0 +1,26 @@
+From 1df123b867bbf54d2dc77637d715d5b1b533c845 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 08/37] AllowEnhancedClassRedefinition is false (disabled) by
+ default
+
+---
+ src/hotspot/share/runtime/globals.hpp | 2 +-
+ 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
+--- a/src/hotspot/share/runtime/globals.hpp
++++ b/src/hotspot/share/runtime/globals.hpp
+@@ -2088,7 +2088,7 @@ const intx ObjectAlignmentInBytes = 8;
+   develop(bool, TraceOptimizedUpcallStubs, false,                              \
+                 "Trace optimized upcall stub generation")                      \
+                                                                             \
+-  product(bool, AllowEnhancedClassRedefinition, true,                       \
++  product(bool, AllowEnhancedClassRedefinition, false,                      \
+              "Allow enhanced class redefinition beyond swapping method "    \
+              "bodies")
+ 
+-- 
+2.23.0
+

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

@@ -0,0 +1,74 @@
+From 924f610911748de4208f01e965ae5b26a2e8f183 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 09/37] Set HOTSPOT_VM_DISTRO=Dynamic Code Evolution
+
+---
+ make/autoconf/version-numbers | 55 +++++++++++++++++++++++++++++++++++
+ 1 file changed, 55 insertions(+)
+ create mode 100644 make/autoconf/version-numbers
+
+diff --git a/make/autoconf/version-numbers b/make/autoconf/version-numbers
+new file mode 100644
+index 00000000000..df8025a2e84
+--- /dev/null
++++ b/make/autoconf/version-numbers
+@@ -0,0 +1,55 @@
++#
++# Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
++# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
++#
++# This code is free software; you can redistribute it and/or modify it
++# 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.
++#
++
++# Default version, product, and vendor information to use,
++# unless overridden by configure
++
++DEFAULT_VERSION_FEATURE=15
++DEFAULT_VERSION_INTERIM=0
++DEFAULT_VERSION_UPDATE=0
++DEFAULT_VERSION_PATCH=0
++DEFAULT_VERSION_EXTRA1=0
++DEFAULT_VERSION_EXTRA2=0
++DEFAULT_VERSION_EXTRA3=0
++DEFAULT_VERSION_DATE=2020-09-15
++DEFAULT_VERSION_CLASSFILE_MAJOR=59  # "`$EXPR $DEFAULT_VERSION_FEATURE + 44`"
++DEFAULT_VERSION_CLASSFILE_MINOR=0
++DEFAULT_ACCEPTABLE_BOOT_VERSIONS="14 15"
++DEFAULT_JDK_SOURCE_TARGET_VERSION=15
++DEFAULT_PROMOTED_VERSION_PRE=
++
++LAUNCHER_NAME=openjdk
++PRODUCT_NAME=OpenJDK
++PRODUCT_SUFFIX="Runtime Environment"
++JDK_RC_PLATFORM_NAME=Platform
++COMPANY_NAME=N/A
++HOTSPOT_VM_DISTRO="Dynamic Code Evolution"
++VENDOR_URL=https://openjdk.java.net/
++VENDOR_URL_BUG=https://bugreport.java.com/bugreport/
++VENDOR_URL_VM_BUG=https://bugreport.java.com/bugreport/crash.jsp
++
++# Might need better names for these
++MACOSX_BUNDLE_NAME_BASE="OpenJDK"
++MACOSX_BUNDLE_ID_BASE="net.java.openjdk"
+-- 
+2.23.0
+

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

@@ -0,0 +1,206 @@
+From 63d61943d92c2ad251c2a5093e552527aac5026e 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 10/37] Clear dcevm code separation
+
+---
+ src/hotspot/share/classfile/systemDictionary.cpp   |  3 +--
+ src/hotspot/share/gc/serial/genMarkSweep.cpp       |  8 +++++---
+ src/hotspot/share/interpreter/linkResolver.cpp     | 14 ++++++++++----
+ .../instrumentation/jfrEventClassTransformer.cpp   |  2 +-
+ src/hotspot/share/oops/cpCache.hpp                 |  8 +++++---
+ src/hotspot/share/oops/instanceKlass.cpp           |  6 +++---
+ src/hotspot/share/oops/method.cpp                  |  2 +-
+ src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp  |  2 +-
+ src/hotspot/share/runtime/reflection.cpp           |  2 +-
+ 9 files changed, 28 insertions(+), 19 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
+index cea614a574f..98e2541c79b 100644
+--- a/src/hotspot/share/classfile/systemDictionary.cpp
++++ b/src/hotspot/share/classfile/systemDictionary.cpp
+@@ -830,9 +830,8 @@ InstanceKlass* SystemDictionary::resolve_hidden_class_from_stream(
+ 
+   EventClassLoad class_load_start_event;
+   ClassLoaderData* loader_data;
+- 
++
+   bool is_redefining = (old_klass != NULL);
+-  
+ 
+   // - for hidden classes that are not strong: create a new CLD that has a class holder and
+   //                                           whose loader is the Lookup class's loader.
+diff --git a/src/hotspot/share/gc/serial/genMarkSweep.cpp b/src/hotspot/share/gc/serial/genMarkSweep.cpp
+index bbb2c02f2b2..00b8e44078e 100644
+--- a/src/hotspot/share/gc/serial/genMarkSweep.cpp
++++ b/src/hotspot/share/gc/serial/genMarkSweep.cpp
+@@ -316,7 +316,9 @@ void GenMarkSweep::mark_sweep_phase4() {
+ 
+   GenCompactClosure blk;
+   gch->generation_iterate(&blk, true);
+-  DcevmSharedGC::copy_rescued_objects_back(MarkSweep::_rescued_oops, true);
+-  DcevmSharedGC::clear_rescued_objects_resource(MarkSweep::_rescued_oops);
+-  MarkSweep::_rescued_oops = NULL;
++  if (AllowEnhancedClassRedefinition) {
++    DcevmSharedGC::copy_rescued_objects_back(MarkSweep::_rescued_oops, true);
++    DcevmSharedGC::clear_rescued_objects_resource(MarkSweep::_rescued_oops);
++    MarkSweep::_rescued_oops = NULL;
++  }
+ }
+diff --git a/src/hotspot/share/interpreter/linkResolver.cpp b/src/hotspot/share/interpreter/linkResolver.cpp
+index 8fb336762df..9edc021b5cb 100644
+--- a/src/hotspot/share/interpreter/linkResolver.cpp
++++ b/src/hotspot/share/interpreter/linkResolver.cpp
+@@ -287,9 +287,14 @@ void LinkResolver::check_klass_accessibility(Klass* ref_klass, Klass* sel_klass,
+   if (!base_klass->is_instance_klass()) {
+     return;  // no relevant check to do
+   }
+-
++  Klass* refKlassNewest = ref_klass;
++  Klass* baseKlassNewest = base_klass;
++  if (AllowEnhancedClassRedefinition) {
++    refKlassNewest = ref_klass->newest_version();
++    baseKlassNewest = base_klass->newest_version();
++  }
+   Reflection::VerifyClassAccessResults vca_result =
+-    Reflection::verify_class_access(ref_klass->newest_version(), InstanceKlass::cast(base_klass->newest_version()), true);
++    Reflection::verify_class_access(refKlassNewest, InstanceKlass::cast(baseKlassNewest), true);
+   if (vca_result != Reflection::ACCESS_OK) {
+     ResourceMark rm(THREAD);
+     char* msg = Reflection::verify_class_access_msg(ref_klass,
+@@ -551,7 +556,8 @@ void LinkResolver::check_method_accessability(Klass* ref_klass,
+   // We'll check for the method name first, as that's most likely
+   // to be false (so we'll short-circuit out of these tests).
+   if (sel_method->name() == vmSymbols::clone_name() &&
+-      sel_klass->newest_version() == vmClasses::Object_klass()->newest_version() &&
++      ( (!AllowEnhancedClassRedefinition && sel_klass == vmClasses::Object_klass()) ||
++      (AllowEnhancedClassRedefinition && sel_klass->newest_version() == vmClasses::Object_klass()->newest_version()) ) &&
+       resolved_klass->is_array_klass()) {
+     // We need to change "protected" to "public".
+     assert(flags.is_protected(), "clone not protected?");
+@@ -997,7 +1003,7 @@ void LinkResolver::resolve_field(fieldDescriptor& fd,
+     //     or by the <init> method (in case of an instance field).
+     if (is_put && fd.access_flags().is_final()) {
+ 
+-      if (sel_klass != current_klass && sel_klass != current_klass->active_version()) {
++      if (sel_klass != current_klass && (!AllowEnhancedClassRedefinition || sel_klass != current_klass->active_version())) {
+         ResourceMark rm(THREAD);
+         stringStream ss;
+         ss.print("Update to %s final field %s.%s attempted from a different class (%s) than the field's declaring class",
+diff --git a/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp b/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
+index 88e520ec475..73832251f3f 100644
+--- a/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
++++ b/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
+@@ -1475,7 +1475,7 @@ static InstanceKlass* create_new_instance_klass(InstanceKlass* ik, ClassFileStre
+                              cld,
+                              &cl_info,
+                              ClassFileParser::INTERNAL, // internal visibility
+-							 false,
++                             false,
+                              THREAD);
+   if (HAS_PENDING_EXCEPTION) {
+     log_pending_exception(PENDING_EXCEPTION);
+diff --git a/src/hotspot/share/oops/cpCache.hpp b/src/hotspot/share/oops/cpCache.hpp
+index b934302f422..d7ae5edc7b3 100644
+--- a/src/hotspot/share/oops/cpCache.hpp
++++ b/src/hotspot/share/oops/cpCache.hpp
+@@ -148,13 +148,13 @@ class ConstantPoolCacheEntry {
+   void set_bytecode_2(Bytecodes::Code code);
+   void set_f1(Metadata* f1) {
+     Metadata* existing_f1 = _f1; // read once
+-    //assert(existing_f1 == NULL || existing_f1 == f1, "illegal field change");
++    assert(AllowEnhancedClassRedefinition || existing_f1 == NULL || existing_f1 == f1, "illegal field change");
+     _f1 = f1;
+   }
+   void release_set_f1(Metadata* f1);
+   void set_f2(intx f2) {
+     intx existing_f2 = _f2; // read once
+-    //assert(existing_f2 == 0 || existing_f2 == f2, "illegal field change");
++    assert(AllowEnhancedClassRedefinition || existing_f2 == 0 || existing_f2 == f2, "illegal field change");
+     _f2 = f2;
+   }
+   void set_f2_as_vfinal_method(Method* f2) {
+@@ -215,7 +215,9 @@ class ConstantPoolCacheEntry {
+   void initialize_resolved_reference_index(int ref_index) {
+     assert(_f2 == 0, "set once");  // note: ref_index might be zero also
+     _f2 = ref_index;
+-    _flags = 1 << is_resolved_ref_shift;
++    if (AllowEnhancedClassRedefinition) {
++      _flags = 1 << is_resolved_ref_shift;
++    }
+   }
+ 
+   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
+--- a/src/hotspot/share/oops/instanceKlass.cpp
++++ b/src/hotspot/share/oops/instanceKlass.cpp
+@@ -968,7 +968,7 @@ bool InstanceKlass::link_class_impl(TRAPS) {
+         set_init_state(linked);
+       }
+       // (DCEVM) Must check for old version in order to prevent infinite loops.
+-      if (JvmtiExport::should_post_class_prepare() && old_version() == NULL /* JVMTI deadlock otherwise */) {
++      if (JvmtiExport::should_post_class_prepare()  && (!AllowEnhancedClassRedefinition || old_version() == NULL /* JVMTI deadlock otherwise */) {
+         JvmtiExport::post_class_prepare(THREAD, this);
+       }
+     }
+@@ -1046,7 +1046,7 @@ void InstanceKlass::initialize_impl(TRAPS) {
+     // we might end up throwing IE from link/symbol resolution sites
+     // that aren't expected to throw.  This would wreak havoc.  See 6320309.
+     while ((is_being_initialized() && !is_reentrant_initialization(jt))
+-            || (old_version() != NULL && InstanceKlass::cast(old_version())->is_being_initialized())) {
++            || (AllowEnhancedClassRedefinition && old_version() != NULL && InstanceKlass::cast(old_version())->is_being_initialized())) {
+       wait = true;
+       jt->set_class_to_be_initialized(this);
+       ol.wait_uninterruptibly(jt);
+@@ -3796,7 +3796,7 @@ void InstanceKlass::verify_on(outputStream* st) {
+ 
+     guarantee(sib->is_klass(), "should be klass");
+     // TODO: (DCEVM) explain
+-    guarantee(sib->super() == super || super->newest_version() == SystemDictionary::Object_klass(), "siblings should have same superklass");
++    guarantee(sib->super() == super || AllowEnhancedClassRedefinition && super->newest_version() == SystemDictionary::Object_klass(), "siblings should have same superklass");
+   }
+ 
+   // Verify local interfaces
+diff --git a/src/hotspot/share/oops/method.cpp b/src/hotspot/share/oops/method.cpp
+index a5a12599997..4426f03fd40 100644
+--- a/src/hotspot/share/oops/method.cpp
++++ b/src/hotspot/share/oops/method.cpp
+@@ -2199,7 +2199,7 @@ void Method::ensure_jmethod_ids(ClassLoaderData* loader_data, int capacity) {
+ // Add a method id to the jmethod_ids
+ jmethodID Method::make_jmethod_id(ClassLoaderData* loader_data, Method* m) {
+   // FIXME: (DCEVM) ???
+-  if (m != m->newest_version()) {
++  if (AllowEnhancedClassRedefinition && m != m->newest_version()) {
+     m = m->newest_version();
+   }
+   ClassLoaderData* cld = loader_data;
+diff --git a/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp b/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
+index 42e72c67879..c860ee24f80 100644
+--- a/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
+@@ -76,7 +76,7 @@ public:
+     //         the new version (SystemDictionary stores only new versions). But the LoadedClassesClosure's functionality was
+     //         changed in java8  where jvmtiLoadedClasses collects all classes from all classloaders, therefore we
+     //         must use new versions only.
+-    if (k->new_version()==NULL) {
++    if (AllowEnhancedClassRedefinition && k->new_version()==NULL) {
+       _classStack.push((jclass) _env->jni_reference(Handle(_cur_thread, k->java_mirror())));
+       if (_dictionary_walk) {
+         // Collect array classes this way when walking the dictionary (because array classes are
+diff --git a/src/hotspot/share/runtime/reflection.cpp b/src/hotspot/share/runtime/reflection.cpp
+index cc58f913ed5..21104c18423 100644
+--- a/src/hotspot/share/runtime/reflection.cpp
++++ b/src/hotspot/share/runtime/reflection.cpp
+@@ -608,7 +608,7 @@ bool Reflection::verify_member_access(const Klass* current_class,
+                                       TRAPS) {
+ 
+   // (DCEVM) Decide accessibility based on active version
+-  if (current_class != NULL) {
++  if (AllowEnhancedClassRedefinition && current_class != NULL) {
+     current_class = current_class->active_version();
+   }
+ 
+-- 
+2.23.0
+

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

@@ -0,0 +1,26 @@
+From 110e8205bf585e2b7024b9cc8a2572b3f4e8b56e 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 11/37] Fix LoadedClassesClosure - fixes problems with remote
+ debugging
+
+---
+ src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp b/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
+index c860ee24f80..dfe0bb8d96a 100644
+--- a/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
+@@ -76,7 +76,7 @@ public:
+     //         the new version (SystemDictionary stores only new versions). But the LoadedClassesClosure's functionality was
+     //         changed in java8  where jvmtiLoadedClasses collects all classes from all classloaders, therefore we
+     //         must use new versions only.
+-    if (AllowEnhancedClassRedefinition && k->new_version()==NULL) {
++    if (!AllowEnhancedClassRedefinition || k->new_version()==NULL) {
+       _classStack.push((jclass) _env->jni_reference(Handle(_cur_thread, k->java_mirror())));
+       if (_dictionary_walk) {
+         // Collect array classes this way when walking the dictionary (because array classes are
+-- 
+2.23.0
+

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

@@ -0,0 +1,43 @@
+From 811ba4e16b5033a1c78c64650a8ba72473b8ef49 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 13/37] dcevm15 - add ClassLoaderDataGraph_lock on
+ ClassLoaderDataGraph::classes_do
+
+ClassLoaderDataGraph::classes_do and need safepoint or lock,
+find_sorted_affected_classes is not in safepoint therefore it must be
+locked
+ClassLoaderDataGraph::rollback_redefinition need safepoint too
+---
+ src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+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));
+@@ -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());
+-- 
+2.23.0
+

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

@@ -0,0 +1,98 @@
+From d8bf7e12e58e3b7f8394bee2e368118574c00506 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 14/37] dcevm15 - fix Universe::root_oops_do
+
+Removed ClassLoaderDataGraph::cld_do was cause of crashes due multiple
+oop patching. ClassLoaderDataGraph::cld_do replaced in dcevm15
+previously used and removed SystemDictionary:oops_do
+---
+ src/hotspot/share/memory/universe.cpp | 45 +++++++++++----------------
+ 1 file changed, 19 insertions(+), 26 deletions(-)
+
+diff --git a/src/hotspot/share/memory/universe.cpp b/src/hotspot/share/memory/universe.cpp
+index 9fcbb6c41b3..247f2b3e8c0 100644
+--- a/src/hotspot/share/memory/universe.cpp
++++ b/src/hotspot/share/memory/universe.cpp
+@@ -44,6 +44,8 @@
+ #include "gc/shared/oopStorageSet.hpp"
+ #include "gc/shared/stringdedup/stringDedup.hpp"
+ #include "gc/shared/tlab_globals.hpp"
++#include "gc/shared/weakProcessor.hpp"
++#include "interpreter/interpreter.hpp"
+ #include "logging/log.hpp"
+ #include "logging/logStream.hpp"
+ #include "memory/metadataFactory.hpp"
+@@ -71,6 +73,8 @@
+ #include "runtime/jniHandles.hpp"
+ #include "runtime/thread.inline.hpp"
+ #include "runtime/timerTrace.hpp"
++#include "runtime/vmOperations.hpp"
++#include "services/management.hpp"
+ #include "services/memoryService.hpp"
+ #include "utilities/align.hpp"
+ #include "utilities/autoRestore.hpp"
+@@ -209,45 +213,34 @@ void Universe::basic_type_classes_do(KlassClosure *closure) {
+ 
+ // FIXME: (DCEVM) This method should iterate all pointers that are not within heap objects.
+ void Universe::root_oops_do(OopClosure *oopClosure) {
+-
+-  class AlwaysTrueClosure: public BoolObjectClosure {
+-  public:
+-    void do_object(oop p) { ShouldNotReachHere(); }
+-    bool do_object_b(oop p) { return true; }
+-  };
+-  AlwaysTrueClosure always_true;
+-
+   Universe::oops_do(oopClosure);
+ //  ReferenceProcessor::oops_do(oopClosure); (tw) check why no longer there
+   JNIHandles::oops_do(oopClosure);   // Global (strong) JNI handles
+   Threads::oops_do(oopClosure, NULL);
+   ObjectSynchronizer::oops_do(oopClosure);
+-  // TODO: review, flat profiler was removed in j10
+-  // FlatProfiler::oops_do(oopClosure);
+-  JvmtiExport::oops_do(oopClosure);
++  // (DCEVM) TODO: Check if this is correct?
++  Management::oops_do(oopClosure);
++  OopStorageSet::vm_global()->oops_do(oopClosure);
++  // CLDToOopClosure cld_closure(oopClosure, ClassLoaderData::_claim_none);
++  // ClassLoaderDataGraph::cld_do(&cld_closure);
+ 
+   // Now adjust pointers in remaining weak roots.  (All of which should
+   // have been cleared if they pointed to non-surviving objects.)
+   // Global (weak) JNI handles
+-  JNIHandles::weak_oops_do(&always_true, oopClosure);
++  WeakProcessor::oops_do(oopClosure);
++
++  JvmtiExport::oops_do(oopClosure);
+ 
+   CodeBlobToOopClosure blobClosure(oopClosure, CodeBlobToOopClosure::FixRelocations);
+   CodeCache::blobs_do(&blobClosure);
+-  StringTable::oops_do(oopClosure);
++  
++  AOT_ONLY(AOTLoader::oops_do(oopClosure);)
++  
++  // StringTable::oops_do was removed in j15
++  // StringTable::oops_do(oopClosure);
++
++  // OopStorageSet::vm_global()->oops_do(oopClosure);
+ 
+-  // (DCEVM) TODO: Check if this is correct?
+-  //CodeCache::scavenge_root_nmethods_oops_do(oopClosure);
+-  //Management::oops_do(oopClosure);
+-  //ref_processor()->weak_oops_do(&oopClosure);
+-  //PSScavenge::reference_processor()->weak_oops_do(&oopClosure);
+-
+-#if INCLUDE_AOT
+-  if (UseAOT) {
+-    AOTLoader::oops_do(oopClosure);
+-  }
+-#endif
+-  // SO_AllClasses
+-  SystemDictionary::oops_do(oopClosure);
+ }
+ 
+ void Universe::oops_do(OopClosure* f) {
+-- 
+2.23.0
+

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

@@ -0,0 +1,29 @@
+From 4066e81dc75a25a7c668fb11652513bb663c575f 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 15/37] dcevm15 - check if has_nestmate_access_to has newest
+ host class
+
+---
+ src/hotspot/share/oops/instanceKlass.cpp | 5 +++++
+ 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
+--- 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) {
+     return false;
+   }
+ 
++  if (AllowEnhancedClassRedefinition) {
++    // TODO: (DCEVM) check if it correct. It fix problems with lambdas (hidden)
++    cur_host = InstanceKlass::cast(cur_host->newest_version());
++  }
++
+   Klass* k_nest_host = k->nest_host(CHECK_false);
+   if (k_nest_host == NULL) {
+     return false;
+-- 
+2.23.0
+

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

@@ -0,0 +1,54 @@
+From 29833991c0d49e789f9189508e6c7df831501b15 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 16/37] 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 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);
+   }
+ }
+@@ -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) {
+-- 
+2.23.0
+

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

@@ -0,0 +1,91 @@
+From 608b042167e873b0731ba0b890d84c11f26eb34f 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 17/37] 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 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;
+@@ -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,
+@@ -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,
+@@ -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();
+-- 
+2.23.0
+

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

@@ -0,0 +1,27 @@
+From 20e8487c1cdad525c4d55b170655abefe504af7c 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 18/37] dcevm15 - DON'T clear F2 in CP cache after indy
+ unevolving
+
+It's not clear why it was cleared in dcevm7-11
+---
+ src/hotspot/share/oops/cpCache.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/oops/cpCache.cpp b/src/hotspot/share/oops/cpCache.cpp
+index 167cb274661..7e72641ec5a 100644
+--- a/src/hotspot/share/oops/cpCache.cpp
++++ b/src/hotspot/share/oops/cpCache.cpp
+@@ -654,7 +654,7 @@ void ConstantPoolCacheEntry::clear_entry() {
+ 
+   if (clearData) {
+     if (!is_resolved_reference()) {
+-      _f2 = 0;
++      // _f2 = 0;
+     }
+     // FIXME: (DCEVM) we want to clear flags, but parameter size is actually used
+     // after we return from the method, before entry is re-initialized. So let's
+-- 
+2.23.0
+

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

@@ -0,0 +1,66 @@
+From ac243ff259d9bccac2d939fa9b8b7e530ac6b853 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 19/37] Cleanup and review comments
+
+---
+ src/hotspot/share/classfile/classLoaderDataGraph.hpp     | 2 +-
+ src/hotspot/share/gc/shared/gcConfig.cpp                 | 2 +-
+ src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp | 1 +
+ src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp | 2 +-
+ 4 files changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/classLoaderDataGraph.hpp b/src/hotspot/share/classfile/classLoaderDataGraph.hpp
+index 5f8913001b0..c3bcc7271e6 100644
+--- a/src/hotspot/share/classfile/classLoaderDataGraph.hpp
++++ b/src/hotspot/share/classfile/classLoaderDataGraph.hpp
+@@ -105,7 +105,7 @@ class ClassLoaderDataGraph : public AllStatic {
+ 
+   static void dictionary_classes_do(KlassClosure* klass_closure);
+ 
+-  // Enhanced class redefinition
++  // (DCEVM) Enhanced class redefinition
+   static void rollback_redefinition();
+ 
+   // VM_CounterDecay iteration support
+diff --git a/src/hotspot/share/gc/shared/gcConfig.cpp b/src/hotspot/share/gc/shared/gcConfig.cpp
+index 26a2b67b8e9..8e78696bef5 100644
+--- a/src/hotspot/share/gc/shared/gcConfig.cpp
++++ b/src/hotspot/share/gc/shared/gcConfig.cpp
+@@ -97,7 +97,7 @@ void GCConfig::fail_if_non_included_gc_is_selected() {
+ 
+ void GCConfig::select_gc_ergonomically() {
+   if (AllowEnhancedClassRedefinition && !UseG1GC) {
+-    // Enhanced class redefinition only supports serial GC at the moment
++    // (DCEVM) Enhanced class redefinition only supports serial GC at the moment
+     FLAG_SET_ERGO(UseSerialGC, true);
+   } 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 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
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
+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;
+ 
+-- 
+2.23.0
+

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

@@ -0,0 +1,31 @@
+From f1eec2b5bb17aec0e3ccdfdf6473017ce4949288 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 20/37] Disable AllowEnhancedClassRedefinition in flight
+ recorder
+
+---
+ src/hotspot/share/runtime/arguments.cpp | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/src/hotspot/share/runtime/arguments.cpp b/src/hotspot/share/runtime/arguments.cpp
+index 567803b70b7..cbcd8f91c66 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) {
+   // Set object alignment values.
+   set_object_alignment();
+ 
++  if (FlightRecorder) {
++    if (AllowEnhancedClassRedefinition) {
++      warning("EnhancedClassRedefinition was disabled, it is not allowed in FlightRecorder.");
++      AllowEnhancedClassRedefinition = false;
++    }
++  }
++
+ #if !INCLUDE_CDS
+   if (DumpSharedSpaces || RequireSharedSpaces) {
+     jio_fprintf(defaultStream::error_stream(),
+-- 
+2.23.0
+

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

@@ -0,0 +1,695 @@
+From be90cb25bb751d5edf3c5f011ec27ffec0f39e2e 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 21/37] dcevm17 - fix compilation issues
+
+---
+ .../share/classfile/classLoaderData.cpp       |   2 +-
+ src/hotspot/share/classfile/javaClasses.cpp   |   4 +-
+ src/hotspot/share/classfile/javaClasses.hpp   |   4 +-
+ .../share/classfile/lambdaFormInvokers.cpp    | 152 ++++++++++++++++++
+ .../share/classfile/systemDictionary.cpp      |   5 +-
+ .../share/classfile/systemDictionary.hpp      |   6 +
+ src/hotspot/share/classfile/vmClassMacros.hpp |   2 +
+ .../share/gc/g1/g1FullGCCompactTask.cpp       |   9 +-
+ .../share/gc/g1/g1FullGCCompactionPoint.cpp   |  12 +-
+ src/hotspot/share/gc/shared/dcevmSharedGC.cpp |   2 +-
+ src/hotspot/share/gc/shared/space.inline.hpp  |   2 +-
+ src/hotspot/share/memory/universe.cpp         |  71 --------
+ src/hotspot/share/memory/universe.hpp         |   7 -
+ src/hotspot/share/oops/instanceKlass.cpp      |   4 +-
+ .../prims/jvmtiEnhancedRedefineClasses.cpp    |  47 ++++--
+ .../prims/jvmtiEnhancedRedefineClasses.hpp    |   2 +
+ .../share/prims/resolvedMethodTable.cpp       |   5 +-
+ src/hotspot/share/runtime/arguments.hpp       |   2 +
+ 18 files changed, 221 insertions(+), 117 deletions(-)
+ create mode 100644 src/hotspot/share/classfile/lambdaFormInvokers.cpp
+
+diff --git a/src/hotspot/share/classfile/classLoaderData.cpp b/src/hotspot/share/classfile/classLoaderData.cpp
+index 63089614e84..975a41c534f 100644
+--- a/src/hotspot/share/classfile/classLoaderData.cpp
++++ b/src/hotspot/share/classfile/classLoaderData.cpp
+@@ -603,7 +603,7 @@ void ClassLoaderData::exchange_holders(ClassLoaderData* cld) {
+   oop holder_oop = _holder.peek();
+   _holder.replace(cld->_holder.peek());
+   cld->_holder.replace(holder_oop);
+-  WeakHandle<vm_weak_data> exchange = _holder;
++  WeakHandle exchange = _holder;
+   _holder = cld->_holder;
+   cld->_holder = exchange;
+ }
+diff --git a/src/hotspot/share/classfile/javaClasses.cpp b/src/hotspot/share/classfile/javaClasses.cpp
+index dc800debea4..66ff72b2f02 100644
+--- a/src/hotspot/share/classfile/javaClasses.cpp
++++ b/src/hotspot/share/classfile/javaClasses.cpp
+@@ -3827,7 +3827,7 @@ void java_lang_invoke_DirectMethodHandle_StaticAccessor::set_static_offset(oop d
+   macro(_static_offset_offset, k, vmSymbols::static_offset_name(), long_signature, false)
+ 
+ void java_lang_invoke_DirectMethodHandle_StaticAccessor::compute_offsets() {
+-  InstanceKlass* k = SystemDictionary::DirectMethodHandle_StaticAccessor_klass();
++  InstanceKlass* k = vmClasses::DirectMethodHandle_StaticAccessor_klass();
+   DIRECTMETHODHANDLE_STATIC_ACCESSOR_FIELDS_DO(FIELD_COMPUTE_OFFSET);
+ }
+ 
+@@ -3855,7 +3855,7 @@ void java_lang_invoke_DirectMethodHandle_Accessor::set_field_offset(oop dmh, int
+   macro(_field_offset_offset, k, vmSymbols::field_offset_name(), int_signature, false)
+ 
+ void java_lang_invoke_DirectMethodHandle_Accessor::compute_offsets() {
+-  InstanceKlass* k = SystemDictionary::DirectMethodHandle_Accessor_klass();
++  InstanceKlass* k = vmClasses::DirectMethodHandle_Accessor_klass();
+   DIRECTMETHODHANDLE_ACCESSOR_FIELDS_DO(FIELD_COMPUTE_OFFSET);
+ }
+ 
+diff --git a/src/hotspot/share/classfile/javaClasses.hpp b/src/hotspot/share/classfile/javaClasses.hpp
+index 32348c90ef9..f7dc5ccbd8c 100644
+--- a/src/hotspot/share/classfile/javaClasses.hpp
++++ b/src/hotspot/share/classfile/javaClasses.hpp
+@@ -1029,7 +1029,7 @@ class java_lang_invoke_DirectMethodHandle_StaticAccessor: AllStatic {
+ 
+   // Testers
+   static bool is_subclass(Klass* klass) {
+-    return klass->is_subclass_of(SystemDictionary::DirectMethodHandle_StaticAccessor_klass());
++    return klass->is_subclass_of(vmClasses::DirectMethodHandle_StaticAccessor_klass());
+   }
+   static bool is_instance(oop obj);
+ 
+@@ -1053,7 +1053,7 @@ class java_lang_invoke_DirectMethodHandle_Accessor: AllStatic {
+ 
+   // Testers
+   static bool is_subclass(Klass* klass) {
+-    return klass->is_subclass_of(SystemDictionary::DirectMethodHandle_Accessor_klass());
++    return klass->is_subclass_of(vmClasses::DirectMethodHandle_Accessor_klass());
+   }
+   static bool is_instance(oop obj);
+ 
+diff --git a/src/hotspot/share/classfile/lambdaFormInvokers.cpp b/src/hotspot/share/classfile/lambdaFormInvokers.cpp
+new file mode 100644
+index 00000000000..281de58b482
+--- /dev/null
++++ b/src/hotspot/share/classfile/lambdaFormInvokers.cpp
+@@ -0,0 +1,152 @@
++/*
++ * Copyright (c) 2020, 2021, Oracle and/or its affiliates. All rights reserved.
++ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
++ *
++ * This code is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 only, as
++ * published by the Free Software Foundation.
++ *
++ * 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.
++ *
++ */
++
++#include "precompiled.hpp"
++#include "classfile/classLoadInfo.hpp"
++#include "classfile/classFileStream.hpp"
++#include "classfile/javaClasses.inline.hpp"
++#include "classfile/klassFactory.hpp"
++#include "classfile/lambdaFormInvokers.hpp"
++#include "classfile/symbolTable.hpp"
++#include "classfile/systemDictionary.hpp"
++#include "classfile/systemDictionaryShared.hpp"
++#include "classfile/vmClasses.hpp"
++#include "classfile/vmSymbols.hpp"
++#include "logging/log.hpp"
++#include "memory/oopFactory.hpp"
++#include "memory/metaspaceShared.hpp"
++#include "memory/resourceArea.hpp"
++#include "oops/instanceKlass.hpp"
++#include "oops/klass.hpp"
++#include "oops/objArrayKlass.hpp"
++#include "oops/objArrayOop.hpp"
++#include "oops/oop.inline.hpp"
++#include "oops/typeArrayOop.inline.hpp"
++#include "runtime/handles.inline.hpp"
++#include "runtime/javaCalls.hpp"
++
++GrowableArray<char*>* LambdaFormInvokers::_lambdaform_lines = NULL;
++
++void LambdaFormInvokers::append(char* line) {
++  if (_lambdaform_lines == NULL) {
++    _lambdaform_lines = new GrowableArray<char*>(100);
++  }
++  _lambdaform_lines->append(line);
++}
++
++void LambdaFormInvokers::regenerate_holder_classes(TRAPS) {
++  assert(_lambdaform_lines != NULL, "Bad List");
++  ResourceMark rm(THREAD);
++
++  Symbol* cds_name  = vmSymbols::jdk_internal_misc_CDS();
++  Klass*  cds_klass = SystemDictionary::resolve_or_null(cds_name, THREAD);
++  guarantee(cds_klass != NULL, "jdk/internal/misc/CDS must exist!");
++
++  int len = _lambdaform_lines->length();
++  objArrayHandle list_lines = oopFactory::new_objArray_handle(vmClasses::String_klass(), len, CHECK);
++  for (int i = 0; i < len; i++) {
++    Handle h_line = java_lang_String::create_from_str(_lambdaform_lines->at(i), CHECK);
++    list_lines->obj_at_put(i, h_line());
++  }
++
++  //
++  // Object[] CDS.generateLambdaFormHolderClasses(String[] lines)
++  // the returned Object[] layout:
++  //   name, byte[], name, byte[] ....
++  Symbol* method = vmSymbols::generateLambdaFormHolderClasses();
++  Symbol* signrs = vmSymbols::generateLambdaFormHolderClasses_signature();
++
++  JavaValue result(T_OBJECT);
++  JavaCalls::call_static(&result, cds_klass, method, signrs, list_lines, THREAD);
++
++  if (HAS_PENDING_EXCEPTION) {
++    log_info(cds)("%s: %s", THREAD->pending_exception()->klass()->external_name(),
++                            java_lang_String::as_utf8_string(java_lang_Throwable::message(THREAD->pending_exception())));
++    CLEAR_PENDING_EXCEPTION;
++    return;
++  }
++
++  objArrayHandle h_array(THREAD, (objArrayOop)result.get_oop());
++  int sz = h_array->length();
++  assert(sz % 2 == 0 && sz >= 2, "Must be even size of length");
++  for (int i = 0; i < sz; i+= 2) {
++    Handle h_name(THREAD, h_array->obj_at(i));
++    typeArrayHandle h_bytes(THREAD, (typeArrayOop)h_array->obj_at(i+1));
++    assert(h_name != NULL, "Class name is NULL");
++    assert(h_bytes != NULL, "Class bytes is NULL");
++
++    char *class_name = java_lang_String::as_utf8_string(h_name());
++    int len = h_bytes->length();
++    // make a copy of class bytes so GC will not affect us.
++    char *buf = resource_allocate_bytes(THREAD, len);
++    memcpy(buf, (char*)h_bytes->byte_at_addr(0), len);
++    ClassFileStream st((u1*)buf, len, NULL, ClassFileStream::verify);
++
++    reload_class(class_name, st, THREAD);
++    // free buf
++    resource_free_bytes(buf, len);
++
++    if (HAS_PENDING_EXCEPTION) {
++      log_info(cds)("Exception happened: %s", PENDING_EXCEPTION->klass()->name()->as_C_string());
++      log_info(cds)("Could not create InstanceKlass for class %s", class_name);
++      CLEAR_PENDING_EXCEPTION;
++      return;
++    }
++  }
++}
++
++// class_handle - the class name, bytes_handle - the class bytes
++void LambdaFormInvokers::reload_class(char* name, ClassFileStream& st, TRAPS) {
++  Symbol* class_name = SymbolTable::new_symbol((const char*)name);
++  // the class must exist
++  Klass* klass = SystemDictionary::resolve_or_null(class_name, THREAD);
++  if (klass == NULL) {
++    log_info(cds)("Class %s not present, skip", name);
++    return;
++  }
++  assert(klass->is_instance_klass(), "Should be");
++
++  ClassLoaderData* cld = ClassLoaderData::the_null_class_loader_data();
++  Handle protection_domain;
++  ClassLoadInfo cl_info(protection_domain);
++
++  InstanceKlass* result = KlassFactory::create_from_stream(&st,
++                                                   class_name,
++                                                   cld,
++                                                   cl_info,
++                                                   false,
++                                                   CHECK);
++
++  {
++    MutexLocker mu_r(THREAD, Compile_lock); // add_to_hierarchy asserts this.
++    SystemDictionary::add_to_hierarchy(result);
++  }
++  // new class not linked yet.
++  MetaspaceShared::try_link_class(THREAD, result);
++  assert(!HAS_PENDING_EXCEPTION, "Invariant");
++
++  // exclude the existing class from dump
++  SystemDictionaryShared::set_excluded(InstanceKlass::cast(klass));
++  log_info(cds, lambda)("Replaced class %s, old: %p  new: %p", name, klass, result);
++}
+diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
+index 98e2541c79b..63de2e2f099 100644
+--- a/src/hotspot/share/classfile/systemDictionary.cpp
++++ b/src/hotspot/share/classfile/systemDictionary.cpp
+@@ -963,11 +963,12 @@ InstanceKlass* SystemDictionary::resolve_from_stream(ClassFileStream* st,
+                                                      Symbol* class_name,
+                                                      Handle class_loader,
+                                                      const ClassLoadInfo& cl_info,
++                                                     InstanceKlass* old_klass,
+                                                      TRAPS) {
+   if (cl_info.is_hidden()) {
+-    return resolve_hidden_class_from_stream(st, class_name, class_loader, cl_info, CHECK_NULL);
++    return resolve_hidden_class_from_stream(st, class_name, class_loader, cl_info, old_klass, CHECK_NULL);
+   } else {
+-    return resolve_class_from_stream(st, class_name, class_loader, cl_info, CHECK_NULL);
++    return resolve_class_from_stream(st, class_name, class_loader, cl_info, old_klass, CHECK_NULL);
+   }
+ }
+ 
+diff --git a/src/hotspot/share/classfile/systemDictionary.hpp b/src/hotspot/share/classfile/systemDictionary.hpp
+index 0c774dfeb51..65185a29b10 100644
+--- a/src/hotspot/share/classfile/systemDictionary.hpp
++++ b/src/hotspot/share/classfile/systemDictionary.hpp
+@@ -124,6 +124,7 @@ class SystemDictionary : AllStatic {
+                                                          Symbol* class_name,
+                                                          Handle class_loader,
+                                                          const ClassLoadInfo& cl_info,
++                                                         InstanceKlass* old_klass,
+                                                          TRAPS);
+ 
+   // Resolve a class from stream (called by jni_DefineClass and JVM_DefineClass)
+@@ -132,6 +133,7 @@ class SystemDictionary : AllStatic {
+                                                   Symbol* class_name,
+                                                   Handle class_loader,
+                                                   const ClassLoadInfo& cl_info,
++                                                  InstanceKlass* old_klass,
+                                                   TRAPS);
+ 
+  public:
+@@ -203,6 +205,10 @@ class SystemDictionary : AllStatic {
+   // Initialization
+   static void initialize(TRAPS);
+ 
++  // (DCEVM) Enhanced class redefinition
++  static void remove_from_hierarchy(InstanceKlass* k);
++  static void update_constraints_after_redefinition();
++
+ protected:
+   // Returns the class loader data to be used when looking up/updating the
+   // system dictionary.
+diff --git a/src/hotspot/share/classfile/vmClassMacros.hpp b/src/hotspot/share/classfile/vmClassMacros.hpp
+index a4f55641b51..fb205721a39 100644
+--- a/src/hotspot/share/classfile/vmClassMacros.hpp
++++ b/src/hotspot/share/classfile/vmClassMacros.hpp
+@@ -109,6 +109,8 @@
+                                                                                                                 \
+   /* support for dynamic typing; it's OK if these are NULL in earlier JDKs */                                   \
+   do_klass(DirectMethodHandle_klass,                    java_lang_invoke_DirectMethodHandle                   ) \
++  do_klass(DirectMethodHandle_StaticAccessor_klass,     java_lang_invoke_DirectMethodHandle_StaticAccessor    ) \
++  do_klass(DirectMethodHandle_Accessor_klass,           java_lang_invoke_DirectMethodHandle_Accessor          ) \
+   do_klass(MethodHandle_klass,                          java_lang_invoke_MethodHandle                         ) \
+   do_klass(VarHandle_klass,                             java_lang_invoke_VarHandle                            ) \
+   do_klass(MemberName_klass,                            java_lang_invoke_MemberName                           ) \
+diff --git a/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp b/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp
+index 54edc9dffb5..058dea90828 100644
+--- a/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp
++++ b/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp
+@@ -141,7 +141,10 @@ void G1FullGCCompactTask::compact_region_dcevm(HeapRegion* hr, GrowableArray<Hea
+   // Once all objects have been moved the liveness information
+   // needs be cleared.
+   collector()->mark_bitmap()->clear_region(hr);
+-  hr->complete_compaction();
++  if (G1VerifyBitmaps) {
++    collector()->mark_bitmap()->clear_region(hr);
++  }
++  hr->reset_compacted_after_full_gc();
+ }
+ 
+ void G1FullGCCompactTask::serial_compaction_dcevm() {
+@@ -184,13 +187,13 @@ size_t G1FullGCCompactTask::G1CompactRegionClosureDcevm::apply(oop obj) {
+     } else {
+       DcevmSharedGC::update_fields(obj, oop(destination));
+     }
+-    oop(destination)->init_mark_raw();
++    oop(destination)->init_mark();
+     assert(oop(destination)->klass() != NULL, "should have a class");
+     return size;
+   }
+ 
+   Copy::aligned_conjoint_words(obj_addr, destination, size);
+-  oop(destination)->init_mark_raw();
++  oop(destination)->init_mark();
+   assert(oop(destination)->klass() != NULL, "should have a class");
+ 
+   return size;
+diff --git a/src/hotspot/share/gc/g1/g1FullGCCompactionPoint.cpp b/src/hotspot/share/gc/g1/g1FullGCCompactionPoint.cpp
+index 71a46b88f9e..87b1977128a 100644
+--- a/src/hotspot/share/gc/g1/g1FullGCCompactionPoint.cpp
++++ b/src/hotspot/share/gc/g1/g1FullGCCompactionPoint.cpp
+@@ -36,8 +36,8 @@ G1FullGCCompactionPoint::G1FullGCCompactionPoint() :
+ {
+   _compaction_regions = new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapRegion*>(32, mtGC);
+   _compaction_region_iterator = _compaction_regions->begin();
+-  _rescued_oops = new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapWord*>(128, true, mtGC);
+-  _rescued_oops_values = new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapWord*>(128, true, mtGC);
++  _rescued_oops = new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapWord*>(128, mtGC);
++  _rescued_oops_values = new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapWord*>(128, mtGC);
+ }
+ 
+ G1FullGCCompactionPoint::~G1FullGCCompactionPoint() {
+@@ -180,15 +180,15 @@ void G1FullGCCompactionPoint::forward_dcevm(oop object, size_t size, bool force_
+       // with BiasedLocking, in this case forwardee() will return NULL
+       // even if the mark-word is used. This is no problem since
+       // forwardee() will return NULL in the compaction phase as well.
+-      object->init_mark_raw();
++      object->init_mark();
+     } else {
+       // Make sure object has the correct mark-word set or that it will be
+       // fixed when restoring the preserved marks.
+-      assert(object->mark_raw() == markWord::prototype_for_klass(object->klass()) || // Correct mark
++      assert(object->mark() == markWord::prototype_for_klass(object->klass()) || // Correct mark
+              object->mark_must_be_preserved() || // Will be restored by PreservedMarksSet
+-             (UseBiasedLocking && object->has_bias_pattern_raw()), // Will be restored by BiasedLocking
++             (UseBiasedLocking && object->has_bias_pattern()), // Will be restored by BiasedLocking
+              "should have correct prototype obj: " PTR_FORMAT " mark: " PTR_FORMAT " prototype: " PTR_FORMAT,
+-             p2i(object), object->mark_raw().value(), markWord::prototype_for_klass(object->klass()).value());
++             p2i(object), object->mark().value(), markWord::prototype_for_klass(object->klass()).value());
+     }
+     assert(object->forwardee() == NULL, "should be forwarded to NULL");
+   }
+diff --git a/src/hotspot/share/gc/shared/dcevmSharedGC.cpp b/src/hotspot/share/gc/shared/dcevmSharedGC.cpp
+index 3dee097f1d3..edc19a3077d 100644
+--- a/src/hotspot/share/gc/shared/dcevmSharedGC.cpp
++++ b/src/hotspot/share/gc/shared/dcevmSharedGC.cpp
+@@ -64,7 +64,7 @@ void DcevmSharedGC::copy_rescued_objects_back(GrowableArray<HeapWord*>* rescued_
+         Copy::aligned_disjoint_words(cast_from_oop<HeapWord*>(rescued_obj), cast_from_oop<HeapWord*>(new_obj), size);
+       }
+ 
+-      new_obj->init_mark_raw();
++      new_obj->init_mark();
+       assert(oopDesc::is_oop(new_obj), "must be a valid oop");
+     }
+   }
+diff --git a/src/hotspot/share/gc/shared/space.inline.hpp b/src/hotspot/share/gc/shared/space.inline.hpp
+index e3a37280268..cafa2503ef4 100644
+--- a/src/hotspot/share/gc/shared/space.inline.hpp
++++ b/src/hotspot/share/gc/shared/space.inline.hpp
+@@ -371,7 +371,7 @@ inline void CompactibleSpace::scan_and_compact(SpaceType* space, bool redefiniti
+         } else {
+           DcevmSharedGC::update_fields(oop(cur_obj), oop(compaction_top));
+         }
+-        oop(compaction_top)->init_mark_raw();
++        oop(compaction_top)->init_mark();
+         assert(oop(compaction_top)->klass() != NULL, "should have a class");
+ 
+         debug_only(prev_obj = cur_obj);
+diff --git a/src/hotspot/share/memory/universe.cpp b/src/hotspot/share/memory/universe.cpp
+index 247f2b3e8c0..4ae3b382b67 100644
+--- a/src/hotspot/share/memory/universe.cpp
++++ b/src/hotspot/share/memory/universe.cpp
+@@ -44,8 +44,6 @@
+ #include "gc/shared/oopStorageSet.hpp"
+ #include "gc/shared/stringdedup/stringDedup.hpp"
+ #include "gc/shared/tlab_globals.hpp"
+-#include "gc/shared/weakProcessor.hpp"
+-#include "interpreter/interpreter.hpp"
+ #include "logging/log.hpp"
+ #include "logging/logStream.hpp"
+ #include "memory/metadataFactory.hpp"
+@@ -73,8 +71,6 @@
+ #include "runtime/jniHandles.hpp"
+ #include "runtime/thread.inline.hpp"
+ #include "runtime/timerTrace.hpp"
+-#include "runtime/vmOperations.hpp"
+-#include "services/management.hpp"
+ #include "services/memoryService.hpp"
+ #include "utilities/align.hpp"
+ #include "utilities/autoRestore.hpp"
+@@ -208,73 +204,6 @@ void Universe::basic_type_classes_do(KlassClosure *closure) {
+   }
+ }
+ 
+-#define DO_PRIMITIVE_MIRROR(m) \
+-  f->do_oop((oop*) &m);
+-
+-// FIXME: (DCEVM) This method should iterate all pointers that are not within heap objects.
+-void Universe::root_oops_do(OopClosure *oopClosure) {
+-  Universe::oops_do(oopClosure);
+-//  ReferenceProcessor::oops_do(oopClosure); (tw) check why no longer there
+-  JNIHandles::oops_do(oopClosure);   // Global (strong) JNI handles
+-  Threads::oops_do(oopClosure, NULL);
+-  ObjectSynchronizer::oops_do(oopClosure);
+-  // (DCEVM) TODO: Check if this is correct?
+-  Management::oops_do(oopClosure);
+-  OopStorageSet::vm_global()->oops_do(oopClosure);
+-  // CLDToOopClosure cld_closure(oopClosure, ClassLoaderData::_claim_none);
+-  // ClassLoaderDataGraph::cld_do(&cld_closure);
+-
+-  // Now adjust pointers in remaining weak roots.  (All of which should
+-  // have been cleared if they pointed to non-surviving objects.)
+-  // Global (weak) JNI handles
+-  WeakProcessor::oops_do(oopClosure);
+-
+-  JvmtiExport::oops_do(oopClosure);
+-
+-  CodeBlobToOopClosure blobClosure(oopClosure, CodeBlobToOopClosure::FixRelocations);
+-  CodeCache::blobs_do(&blobClosure);
+-  
+-  AOT_ONLY(AOTLoader::oops_do(oopClosure);)
+-  
+-  // StringTable::oops_do was removed in j15
+-  // StringTable::oops_do(oopClosure);
+-
+-  // OopStorageSet::vm_global()->oops_do(oopClosure);
+-
+-}
+-
+-void Universe::oops_do(OopClosure* f) {
+-  PRIMITIVE_MIRRORS_DO(DO_PRIMITIVE_MIRROR);
+-
+-  for (int i = T_BOOLEAN; i < T_VOID+1; i++) {
+-    f->do_oop((oop*) &_mirrors[i]);
+-  }
+-  assert(_mirrors[0] == NULL && _mirrors[T_BOOLEAN - 1] == NULL, "checking");
+-
+-  f->do_oop((oop*)&_the_empty_class_array);
+-  f->do_oop((oop*)&_the_null_sentinel);
+-  f->do_oop((oop*)&_the_null_string);
+-  f->do_oop((oop*)&_the_min_jint_string);
+-  f->do_oop((oop*)&out_of_memory_errors()->obj_at(_oom_java_heap));
+-  f->do_oop((oop*)&out_of_memory_errors()->obj_at(_oom_c_heap));
+-  f->do_oop((oop*)&out_of_memory_errors()->obj_at(_oom_metaspace));
+-  f->do_oop((oop*)&out_of_memory_errors()->obj_at(_oom_class_metaspace));
+-  f->do_oop((oop*)&out_of_memory_errors()->obj_at(_oom_array_size));
+-  f->do_oop((oop*)&out_of_memory_errors()->obj_at(_oom_gc_overhead_limit));
+-  f->do_oop((oop*)&out_of_memory_errors()->obj_at(_oom_realloc_objects));
+-  f->do_oop((oop*)&out_of_memory_errors()->obj_at(_oom_retry));
+-  f->do_oop((oop*)&_delayed_stack_overflow_error_message);
+-  f->do_oop((oop*)&_preallocated_out_of_memory_error_array);
+-  f->do_oop((oop*)&_null_ptr_exception_instance);
+-  f->do_oop((oop*)&_arithmetic_exception_instance);
+-  f->do_oop((oop*)&_virtual_machine_error_instance);
+-  f->do_oop((oop*)&_main_thread_group);
+-  f->do_oop((oop*)&_system_thread_group);
+-  f->do_oop((oop*)&_reference_pending_list);
+-  debug_only(f->do_oop((oop*)&_fullgc_alot_dummy_array);)
+-  ThreadsSMRSupport::exiting_threads_oops_do(f);
+-}
+-
+ void LatestMethodCache::metaspace_pointers_do(MetaspaceClosure* it) {
+   it->push(&_klass);
+ }
+diff --git a/src/hotspot/share/memory/universe.hpp b/src/hotspot/share/memory/universe.hpp
+index cb320076a55..4b2211c415e 100644
+--- a/src/hotspot/share/memory/universe.hpp
++++ b/src/hotspot/share/memory/universe.hpp
+@@ -326,13 +326,6 @@ class Universe: AllStatic {
+   static bool        should_fill_in_stack_trace(Handle throwable);
+   static void check_alignment(uintx size, uintx alignment, const char* name);
+ 
+-  // Iteration
+-
+-  static void root_oops_do(OopClosure *oopClosure); // FIXME: kill...
+-  // Apply "f" to the addresses of all the direct heap pointers maintained
+-  // as static fields of "Universe".
+-  static void oops_do(OopClosure* f);
+-
+   // CDS support
+   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
+--- a/src/hotspot/share/oops/instanceKlass.cpp
++++ b/src/hotspot/share/oops/instanceKlass.cpp
+@@ -1286,7 +1286,7 @@ void InstanceKlass::init_implementor() {
+ // (DCEVM) - init_implementor() for dcevm
+ void InstanceKlass::init_implementor_from_redefine() {
+   assert(is_interface(), "not interface");
+-  Klass* volatile* addr = adr_implementor();
++  InstanceKlass* volatile* addr = adr_implementor();
+   assert(addr != NULL, "null addr");
+   if (addr != NULL) {
+     *addr = NULL;
+@@ -3816,7 +3816,7 @@ void InstanceKlass::verify_on(outputStream* st) {
+ 
+     guarantee(sib->is_klass(), "should be klass");
+     // TODO: (DCEVM) explain
+-    guarantee(sib->super() == super || AllowEnhancedClassRedefinition && super->newest_version() == SystemDictionary::Object_klass(), "siblings should have same superklass");
++    guarantee(sib->super() == super || AllowEnhancedClassRedefinition && super->newest_version() == vmClasses::Object_klass(), "siblings should have same superklass");
+   }
+ 
+   // Verify local interfaces
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+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"
+@@ -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
+@@ -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
+@@ -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
+@@ -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);
+ 
+@@ -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());
+ 
+@@ -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();
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
+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();
+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
++++ b/src/hotspot/share/prims/resolvedMethodTable.cpp
+@@ -34,6 +34,7 @@
+ #include "oops/access.inline.hpp"
+ #include "oops/method.hpp"
+ #include "oops/oop.inline.hpp"
++#include "oops/klass.inline.hpp"
+ #include "oops/weakHandle.inline.hpp"
+ #include "prims/resolvedMethodTable.hpp"
+ #include "runtime/atomic.hpp"
+@@ -375,7 +376,7 @@ class AdjustMethodEntriesDcevm : public StackObj {
+   GrowableArray<oop>* _oops_to_add;
+ public:
+   AdjustMethodEntriesDcevm(GrowableArray<oop>* oops_to_add, bool* trace_name_printed) : _trace_name_printed(trace_name_printed), _oops_to_add(oops_to_add) {};
+-  bool operator()(WeakHandle<vm_resolved_method_table_data>* entry) {
++  bool operator()(WeakHandle* entry) {
+     oop mem_name = entry->peek();
+     if (mem_name == NULL) {
+       // Removed
+@@ -460,7 +461,7 @@ void ResolvedMethodTable::adjust_method_entries_dcevm(bool * trace_name_printed)
+       if (_local_table->get(thread, lookup, rmg)) {
+         break;
+       }
+-      WeakHandle<vm_resolved_method_table_data> wh = WeakHandle<vm_resolved_method_table_data>::create(Handle(thread, mem_name));
++      WeakHandle wh(_oop_storage, mem_name);
+       // The hash table takes ownership of the WeakHandle, even if it's not inserted.
+       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
+--- a/src/hotspot/share/runtime/arguments.hpp
++++ b/src/hotspot/share/runtime/arguments.hpp
+@@ -482,6 +482,8 @@ class Arguments : AllStatic {
+   // Adjusts the arguments after the OS have adjusted the arguments
+   static jint adjust_after_os();
+ 
++  // Check for consistency in the selection of the garbage collector.
++  static bool check_gc_consistency();        // Check user-selected gc
+   // Check consistency or otherwise of VM argument settings
+   static bool check_vm_args_consistency();
+   // Used by os_solaris
+-- 
+2.23.0
+

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

@@ -0,0 +1,27 @@
+From 81e9d17c19932e265755b4c6bda8b4f86982fae3 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 22/37] 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 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);
+ 
+-- 
+2.23.0
+

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

@@ -0,0 +1,49 @@
+From afae8f24c8b75c928feaf8bc692a89fa73eaad6a 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 23/37] Rename confusing method name old_if_redefined to
+ old_if_redefining
+
+---
+ src/hotspot/share/classfile/dictionary.cpp | 4 ++--
+ src/hotspot/share/classfile/dictionary.hpp | 2 +-
+ 2 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/dictionary.cpp b/src/hotspot/share/classfile/dictionary.cpp
+index 223b9e1e7a9..2b236a7724e 100644
+--- a/src/hotspot/share/classfile/dictionary.cpp
++++ b/src/hotspot/share/classfile/dictionary.cpp
+@@ -359,7 +359,7 @@ InstanceKlass* Dictionary::find(unsigned int hash, Symbol* name,
+   int index = hash_to_index(hash);
+   DictionaryEntry* entry = get_entry(index, hash, name);
+   if (entry != NULL && entry->is_valid_protection_domain(protection_domain)) {
+-    return old_if_redefined(entry->instance_klass());
++    return old_if_redefining(entry->instance_klass());
+   } else {
+     return NULL;
+   }
+@@ -373,7 +373,7 @@ InstanceKlass* Dictionary::find_class(unsigned int hash,
+   assert (index == index_for(name), "incorrect index?");
+ 
+   DictionaryEntry* entry = get_entry(index, hash, name);
+-  return old_if_redefined((entry != NULL) ? entry->instance_klass() : NULL);
++  return old_if_redefining((entry != NULL) ? entry->instance_klass() : NULL);
+ }
+ 
+ void Dictionary::add_protection_domain(int index, unsigned int hash,
+diff --git a/src/hotspot/share/classfile/dictionary.hpp b/src/hotspot/share/classfile/dictionary.hpp
+index bdfef5c8663..e997cfdcabd 100644
+--- a/src/hotspot/share/classfile/dictionary.hpp
++++ b/src/hotspot/share/classfile/dictionary.hpp
+@@ -109,7 +109,7 @@ public:
+                              Handle protection_domain);
+ 
+   // (DCEVM) return old class if redefining in AllowEnhancedClassRedefinition, otherwise return "k"
+-  static InstanceKlass* old_if_redefined(InstanceKlass* k) {
++  static InstanceKlass* old_if_redefining(InstanceKlass* k) {
+     return (k != NULL && k->is_redefining()) ? ((InstanceKlass* )k->old_version()) : k;
+   }
+ };
+-- 
+2.23.0
+

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

@@ -0,0 +1,43 @@
+From b104067cf96d0a8254c9197b8b549721412bf870 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 24/37] Check InstanceKlass::has_nestmate_access_to with active
+ classes
+
+Dcevm can leave old host in nested class if nested class is not
+redefined together with host class
+---
+ src/hotspot/share/oops/instanceKlass.cpp | 9 +++++++--
+ 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
+--- 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) {
+     return false;
+   }
+ 
++  // (DCEVM) cur_host can be old, decide accessibility based on active version
+   if (AllowEnhancedClassRedefinition) {
+-    // TODO: (DCEVM) check if it correct. It fix problems with lambdas (hidden)
+-    cur_host = InstanceKlass::cast(cur_host->newest_version());
++    cur_host = InstanceKlass::cast(cur_host->active_version());
+   }
+ 
+   Klass* k_nest_host = k->nest_host(CHECK_false);
+@@ -408,6 +408,11 @@ bool InstanceKlass::has_nestmate_access_to(InstanceKlass* k, TRAPS) {
+     return false;
+   }
+ 
++  // (DCEVM) k_nest_host can be old, decide accessibility based on active version
++  if (AllowEnhancedClassRedefinition) {
++    k_nest_host = InstanceKlass::cast(k_nest_host->active_version());
++  }
++
+   bool access = (cur_host == k_nest_host);
+ 
+   ResourceMark rm(THREAD);
+-- 
+2.23.0
+

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

@@ -0,0 +1,95 @@
+From 129d7c297440772f2e5773c00a5b4f74d53bce07 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 25/37] JBR-3111 Update class in all dictionaries where it was
+ already defined
+
+This patch keeps compatibility with std redefinition, that does not
+create a new Klass, but modifies it, then it is modified in all
+dictionaries containing this class.
+---
+ src/hotspot/share/classfile/classLoaderDataGraph.cpp | 9 +++++++++
+ src/hotspot/share/classfile/classLoaderDataGraph.hpp | 3 +++
+ src/hotspot/share/classfile/dictionary.cpp           | 2 +-
+ src/hotspot/share/classfile/dictionary.hpp           | 2 +-
+ src/hotspot/share/classfile/systemDictionary.cpp     | 4 +++-
+ 5 files changed, 17 insertions(+), 3 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/classLoaderDataGraph.cpp b/src/hotspot/share/classfile/classLoaderDataGraph.cpp
+index fda5d2eb1ba..67ade5709f6 100644
+--- a/src/hotspot/share/classfile/classLoaderDataGraph.cpp
++++ b/src/hotspot/share/classfile/classLoaderDataGraph.cpp
+@@ -455,6 +455,15 @@ void ClassLoaderDataGraph::rollback_redefinition() {
+   }
+ }
+ 
++// (DCEVM) - iterate over all classes in all dictionaries
++bool ClassLoaderDataGraph::dictionary_classes_do_update_klass(Symbol* name, InstanceKlass* k, InstanceKlass* old_klass) {
++  bool ok = false;
++  FOR_ALL_DICTIONARY(cld) {
++    ok = cld->dictionary()->update_klass(name, k, old_klass) || ok;
++  }
++  return ok;
++}
++
+ void ClassLoaderDataGraph::verify_dictionary() {
+   FOR_ALL_DICTIONARY(cld) {
+     cld->dictionary()->verify();
+diff --git a/src/hotspot/share/classfile/classLoaderDataGraph.hpp b/src/hotspot/share/classfile/classLoaderDataGraph.hpp
+index c3bcc7271e6..ebdb0bc2c8c 100644
+--- a/src/hotspot/share/classfile/classLoaderDataGraph.hpp
++++ b/src/hotspot/share/classfile/classLoaderDataGraph.hpp
+@@ -108,6 +108,9 @@ class ClassLoaderDataGraph : public AllStatic {
+   // (DCEVM) Enhanced class redefinition
+   static void rollback_redefinition();
+ 
++  // Enhanced class redefinition
++  static bool dictionary_classes_do_update_klass(Symbol* name, InstanceKlass* k, InstanceKlass* old_klass);
++
+   // VM_CounterDecay iteration support
+   static InstanceKlass* try_get_next_class();
+   static void adjust_saved_class(ClassLoaderData* cld);
+diff --git a/src/hotspot/share/classfile/dictionary.cpp b/src/hotspot/share/classfile/dictionary.cpp
+index 2b236a7724e..bb1d09fa7a2 100644
+--- a/src/hotspot/share/classfile/dictionary.cpp
++++ b/src/hotspot/share/classfile/dictionary.cpp
+@@ -322,7 +322,7 @@ DictionaryEntry* Dictionary::get_entry(int index, unsigned int hash,
+ }
+ 
+ // (DCEVM) replace old_class by new class in dictionary
+-bool Dictionary::update_klass(unsigned int hash, Symbol* name, ClassLoaderData* loader_data, InstanceKlass* k, InstanceKlass* old_klass) {
++bool Dictionary::update_klass(Symbol* name, InstanceKlass* k, InstanceKlass* old_klass) {
+   // There are several entries for the same class in the dictionary: One extra entry for each parent classloader of the classloader of the class.
+   bool found = false;
+   for (int index = 0; index < table_size(); index++) {
+diff --git a/src/hotspot/share/classfile/dictionary.hpp b/src/hotspot/share/classfile/dictionary.hpp
+index e997cfdcabd..7f8d8e35fc3 100644
+--- a/src/hotspot/share/classfile/dictionary.hpp
++++ b/src/hotspot/share/classfile/dictionary.hpp
+@@ -83,7 +83,7 @@ public:
+   void verify();
+ 
+   // (DCEVM) Enhanced class redefinition
+-  bool update_klass(unsigned int hash, Symbol* name, ClassLoaderData* loader_data, InstanceKlass* k, InstanceKlass* old_klass);
++  bool update_klass(Symbol* name, InstanceKlass* k, InstanceKlass* old_klass);
+ 
+   void rollback_redefinition();
+ 
+diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
+index 63de2e2f099..35e2f376870 100644
+--- a/src/hotspot/share/classfile/systemDictionary.cpp
++++ b/src/hotspot/share/classfile/systemDictionary.cpp
+@@ -1441,7 +1441,9 @@ void SystemDictionary::define_instance_class(InstanceKlass* k, InstanceKlass* ol
+ 
+   unsigned int name_hash = dictionary->compute_hash(name_h);
+   if (is_redefining) {
+-    bool ok = dictionary->update_klass(name_hash, name_h, loader_data, k, old_klass);
++    // Update all dictionaries containing old_class to new_class
++    // outcome must be same as result of standard redefinition, that does not create a new Klass
++    bool ok = ClassLoaderDataGraph::dictionary_classes_do_update_klass(name_h, k, old_klass);
+     assert (ok, "must have found old class and updated!");
+   }
+   check_constraints(name_hash, k, class_loader, !is_redefining, CHECK);
+-- 
+2.23.0
+

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

@@ -0,0 +1,29 @@
+From 7b474400012d7aa33b143fdcedf461642e1d99fa 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 26/37] Add ClassLoaderDataGraph_lock to define new class in
+ enhanced redefiniton
+
+ClassLoaderDataGraph locking for introduced in redefinition in
+java.version>11
+---
+ src/hotspot/share/classfile/systemDictionary.cpp | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
+index 35e2f376870..c628cb9da83 100644
+--- a/src/hotspot/share/classfile/systemDictionary.cpp
++++ b/src/hotspot/share/classfile/systemDictionary.cpp
+@@ -1443,7 +1443,9 @@ void SystemDictionary::define_instance_class(InstanceKlass* k, InstanceKlass* ol
+   if (is_redefining) {
+     // Update all dictionaries containing old_class to new_class
+     // outcome must be same as result of standard redefinition, that does not create a new Klass
++    ClassLoaderDataGraph_lock->lock();
+     bool ok = ClassLoaderDataGraph::dictionary_classes_do_update_klass(name_h, k, old_klass);
++    ClassLoaderDataGraph_lock->unlock();
+     assert (ok, "must have found old class and updated!");
+   }
+   check_constraints(name_hash, k, class_loader, !is_redefining, CHECK);
+-- 
+2.23.0
+

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

@@ -0,0 +1,180 @@
+From bc561191e3f2e4bd52caeb9959e569f3c66675ad 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 27/37] JBR-3140 - support for modularized HotswapAgent
+
+Add -XX:HotswapAgent=[disabled,fatjar.core]
+---
+ src/hotspot/share/runtime/arguments.cpp       | 77 +++++++++++++++++++
+ src/hotspot/share/runtime/arguments.hpp       |  4 +
+ .../flags/jvmFlagConstraintsRuntime.cpp       |  9 +++
+ .../flags/jvmFlagConstraintsRuntime.hpp       |  3 +-
+ src/hotspot/share/runtime/globals.hpp         | 11 ++-
+ 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
+--- 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) {
+     }
+   }
+ 
++  setup_hotswap_agent();
++
+ #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,
+   *b = '\0';
+   return (p == src_end); // return false if not all of the source was copied
+ }
++
++void Arguments::setup_hotswap_agent() {
++
++  if (DumpSharedSpaces)
++    return;
++
++  if (HotswapAgent == NULL || strcmp(HotswapAgent, "disabled") == 0)
++    return;
++
++  // Force AllowEnhancedClassRedefinition if HA is enabled
++  AllowEnhancedClassRedefinition = true;
++
++  bool ha_fatjar = strcmp(HotswapAgent, "fatjar") == 0;
++  bool ha_core = strcmp(HotswapAgent, "core") == 0;
++
++  // Set HotswapAgent
++  if (ha_fatjar || ha_core) {
++
++    char ext_path_str[JVM_MAXPATHLEN];
++
++    os::jvm_path(ext_path_str, sizeof(ext_path_str));
++    for (int i = 0; i < 3; i++) {
++      char *end = strrchr(ext_path_str, *os::file_separator());
++      if (end != NULL) *end = '\0';
++    }
++    size_t ext_path_length = strlen(ext_path_str);
++    if (ext_path_length >= 3) {
++      if (strcmp(ext_path_str + ext_path_length - 3, "lib") != 0) {
++        if (ext_path_length < JVM_MAXPATHLEN - 4) {
++          jio_snprintf(ext_path_str + ext_path_length, sizeof(ext_path_str) - ext_path_length, "%slib", os::file_separator());
++          ext_path_length += 4;
++        }
++      }
++    }
++    if (ext_path_length < JVM_MAXPATHLEN - 10) {
++      if (ha_fatjar) {
++        jio_snprintf(ext_path_str + ext_path_length, sizeof(ext_path_str) - ext_path_length,
++                     "%shotswap%shotswap-agent.jar", os::file_separator(), os::file_separator());
++      } else {
++        jio_snprintf(ext_path_str + ext_path_length, sizeof(ext_path_str) - ext_path_length,
++                     "%shotswap%shotswap-agent-core.jar", os::file_separator(), os::file_separator());
++      }
++      int fd = ::open(ext_path_str, O_RDONLY);
++      if (fd >= 0) {
++        os::close(fd);
++        size_t length = strlen(ext_path_str) + 1;
++        char *options = NEW_C_HEAP_ARRAY(char,  length, mtArguments);
++        jio_snprintf(options, length, "%s", ext_path_str);
++        add_init_agent("instrument", ext_path_str, false);
++        jio_fprintf(defaultStream::output_stream(), "Starting HotswapAgent '%s'\n", ext_path_str);
++      }
++      else
++      {
++        jio_fprintf(defaultStream::error_stream(), "HotswapAgent not found on path:'%s'!\n", ext_path_str);
++      }
++    }
++  }
++
++  // TODO: open it only for org.hotswap.agent module
++  // Use to access java.lang.reflect.Proxy/proxyCache
++  create_numbered_module_property("jdk.module.addopens", "java.base/java.lang=ALL-UNNAMED", addopens_count++);
++  // Class of  field java.lang.reflect.Proxy/proxyCache
++  create_numbered_module_property("jdk.module.addopens", "java.base/jdk.internal.loader=ALL-UNNAMED", addopens_count++);
++  // Use to access java.io.Reader, java.io.InputStream, java.io.FileInputStream
++  create_numbered_module_property("jdk.module.addopens", "java.base/java.io=ALL-UNNAMED", addopens_count++);
++  // java.beans.Introspector access
++  create_numbered_module_property("jdk.module.addopens", "java.desktop/java.beans=ALL-UNNAMED", addopens_count++);
++  // java.beans.Introspector access
++  create_numbered_module_property("jdk.module.addopens", "java.desktop/com.sun.beans=ALL-UNNAMED", addopens_count++);
++  // com.sun.beans.introspect.ClassInfo access
++  create_numbered_module_property("jdk.module.addopens", "java.desktop/com.sun.beans.introspect=ALL-UNNAMED", addopens_count++);
++  // com.sun.beans.introspect.util.Cache access
++  create_numbered_module_property("jdk.module.addopens", "java.desktop/com.sun.beans.util=ALL-UNNAMED", addopens_count++);
++
++}
+diff --git a/src/hotspot/share/runtime/arguments.hpp b/src/hotspot/share/runtime/arguments.hpp
+index 6a8ceb7fa8a..7669a283375 100644
+--- a/src/hotspot/share/runtime/arguments.hpp
++++ b/src/hotspot/share/runtime/arguments.hpp
+@@ -491,6 +491,10 @@ class Arguments : AllStatic {
+ 
+   static size_t conservative_max_heap_alignment() { return _conservative_max_heap_alignment; }
+ 
++
++  // Initialize HotswapAgent
++  static void setup_hotswap_agent();
++
+   // Return the maximum size a heap with compressed oops can take
+   static size_t max_heap_for_compressed_oops();
+ 
+diff --git a/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp b/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp
+index 5b09758e089..e55b68e63a6 100644
+--- a/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp
++++ b/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp
+@@ -158,6 +158,15 @@ JVMFlag::Error NUMAInterleaveGranularityConstraintFunc(size_t value, bool verbos
+                         " ... " UINTX_FORMAT " ]\n", value, min, max);
+     return JVMFlag::VIOLATES_CONSTRAINT;
+   }
++  return JVMFlag::SUCCESS;
++}
+ 
++JVMFlag::Error HotswapAgentConstraintFunc(ccstr value, bool verbose) {
++  if (value != NULL) {
++    if (strcmp("disabled", value) != 0 && strcmp("fatjar", value) != 0 && strcmp("core", value) != 0 && strcmp("external", value) != 0) {
++      JVMFlag::printError(verbose, "HotswapAgent(%s) must be one of disabled,fatjar,core or external.\n", value);
++      return JVMFlag::VIOLATES_CONSTRAINT;
++    }
++  }
+   return JVMFlag::SUCCESS;
+ }
+diff --git a/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.hpp b/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.hpp
+index 8bc3a9a1548..c5f58fd16ee 100644
+--- a/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.hpp
++++ b/src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.hpp
+@@ -42,7 +42,8 @@
+   f(intx,   BiasedLockingDecayTimeFunc)               \
+   f(intx,   PerfDataSamplingIntervalFunc)             \
+   f(uintx,  VMPageSizeConstraintFunc)                 \
+-  f(size_t, NUMAInterleaveGranularityConstraintFunc)
++  f(size_t, NUMAInterleaveGranularityConstraintFunc)  \
++  f(ccstr, HotswapAgentConstraintFunc)
+ 
+ RUNTIME_CONSTRAINTS(DECLARE_CONSTRAINT)
+ 
+diff --git a/src/hotspot/share/runtime/globals.hpp b/src/hotspot/share/runtime/globals.hpp
+index 7051b634a9b..d23e43407e1 100644
+--- a/src/hotspot/share/runtime/globals.hpp
++++ b/src/hotspot/share/runtime/globals.hpp
+@@ -2090,7 +2090,16 @@ const intx ObjectAlignmentInBytes = 8;
+                                                                             \
+   product(bool, AllowEnhancedClassRedefinition, false,                      \
+              "Allow enhanced class redefinition beyond swapping method "    \
+-             "bodies")
++             "bodies")                                                      \
++                                                                            \
++  product(ccstr, HotswapAgent, "disabled",                                  \
++          "Specify HotswapAgent image to be used."                          \
++          "disabled: hotswap agent is disabled (default)"                   \
++          "fatjar: full HA. Use integrated hotswap-agent.jar"               \
++          "core: core HA. Use integrated hotswap-agent-core.jar"            \
++          "external: external HA. use external HA, open required JDK "      \
++          "modules.")                                                       \
++          constraint(HotswapAgentConstraintFunc, AfterErgo)
+ 
+ 
+ // end of RUNTIME_FLAGS
+-- 
+2.23.0
+

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

@@ -0,0 +1,347 @@
+From be8f7b3433b20650c85750a9ae172edbd3d9ee9c 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 28/37] Support for redefinition of Well Known classses
+ (java.*,jdk.*, sun.*)
+
+---
+ src/hotspot/share/ci/ciKlass.hpp              |  1 +
+ src/hotspot/share/ci/ciObjectFactory.cpp      | 34 ++++++++++
+ src/hotspot/share/ci/ciObjectFactory.hpp      |  6 ++
+ src/hotspot/share/classfile/vmClasses.cpp     | 10 +++
+ src/hotspot/share/classfile/vmClasses.hpp     |  4 ++
+ src/hotspot/share/classfile/vmSymbols.hpp     |  2 +
+ src/hotspot/share/compiler/compileBroker.cpp  | 11 ++++
+ src/hotspot/share/memory/universe.cpp         |  8 +++
+ src/hotspot/share/memory/universe.hpp         |  2 +
+ .../prims/jvmtiEnhancedRedefineClasses.cpp    | 63 ++++++++++++++++++-
+ .../prims/jvmtiEnhancedRedefineClasses.hpp    |  2 +
+ 11 files changed, 142 insertions(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/ci/ciKlass.hpp b/src/hotspot/share/ci/ciKlass.hpp
+index 467284b7cde..644993a7513 100644
+--- a/src/hotspot/share/ci/ciKlass.hpp
++++ b/src/hotspot/share/ci/ciKlass.hpp
+@@ -129,6 +129,7 @@ public:
+   void print_name_on(outputStream* st);
+ 
+   const char* external_name() const;
++  Klass* new_version() { return get_Klass()->new_version(); }
+ };
+ 
+ #endif // SHARE_CI_CIKLASS_HPP
+diff --git a/src/hotspot/share/ci/ciObjectFactory.cpp b/src/hotspot/share/ci/ciObjectFactory.cpp
+index 664062a0f74..e9cb49be3ff 100644
+--- a/src/hotspot/share/ci/ciObjectFactory.cpp
++++ b/src/hotspot/share/ci/ciObjectFactory.cpp
+@@ -74,7 +74,10 @@ GrowableArray<ciMetadata*>* ciObjectFactory::_shared_ci_metadata = NULL;
+ ciSymbol*                 ciObjectFactory::_shared_ci_symbols[vmSymbols::number_of_symbols()];
+ int                       ciObjectFactory::_shared_ident_limit = 0;
+ volatile bool             ciObjectFactory::_initialized = false;
++volatile bool             ciObjectFactory::_reinitialize_vm_klasses = false;
+ 
++// TODO: review...
++Arena* ciObjectFactory::_initial_arena = NULL;
+ 
+ // ------------------------------------------------------------------
+ // ciObjectFactory::ciObjectFactory
+@@ -110,6 +113,7 @@ void ciObjectFactory::initialize() {
+   // compiler thread that initializes the initial ciObjectFactory which
+   // creates the shared ciObjects that all later ciObjectFactories use.
+   Arena* arena = new (mtCompiler) Arena(mtCompiler);
++  ciObjectFactory::_initial_arena = arena;
+   ciEnv initial(arena);
+   ciEnv* env = ciEnv::current();
+   env->_factory->init_shared_objects();
+@@ -118,6 +122,36 @@ void ciObjectFactory::initialize() {
+ 
+ }
+ 
++// (DCEVM) vm classes could be modified
++void ciObjectFactory::reinitialize_vm_classes() {
++  ASSERT_IN_VM;
++  JavaThread* thread = JavaThread::current();
++  HandleMark  handle_mark(thread);
++
++  // This Arena is long lived and exists in the resource mark of the
++  // compiler thread that initializes the initial ciObjectFactory which
++  // creates the shared ciObjects that all later ciObjectFactories use.
++  // Arena* arena = new (mtCompiler) Arena(mtCompiler);
++  ciEnv initial(ciObjectFactory::_initial_arena);
++  ciEnv* env = ciEnv::current();
++  env->_factory->do_reinitialize_vm_classes();
++  _reinitialize_vm_klasses = false;
++}
++
++// (DCEVM) vm classes could be modified
++void ciObjectFactory::do_reinitialize_vm_classes() {
++#define VM_CLASS_DEFN(name, ignore_s)   \
++  if (ciEnv::_##name != NULL && ciEnv::_##name->new_version() != NULL) { \
++    int old_ident = ciEnv::_##name->ident(); \
++    ciEnv::_##name = get_metadata(vmClasses::name())->as_instance_klass(); \
++    ciEnv::_##name->compute_nonstatic_fields(); \
++    ciEnv::_##name->set_ident(old_ident); \
++  }
++
++  VM_CLASSES_DO(VM_CLASS_DEFN)
++#undef VM_CLASS_DEFN
++}
++
+ void ciObjectFactory::init_shared_objects() {
+ 
+   _next_ident = 1;  // start numbering CI objects at 1
+diff --git a/src/hotspot/share/ci/ciObjectFactory.hpp b/src/hotspot/share/ci/ciObjectFactory.hpp
+index fdefc8e3b92..1ed8732cb40 100644
+--- a/src/hotspot/share/ci/ciObjectFactory.hpp
++++ b/src/hotspot/share/ci/ciObjectFactory.hpp
+@@ -42,9 +42,11 @@ class ciObjectFactory : public ResourceObj {
+ 
+ private:
+   static volatile bool _initialized;
++  static volatile bool _reinitialize_vm_klasses;
+   static GrowableArray<ciMetadata*>* _shared_ci_metadata;
+   static ciSymbol*                 _shared_ci_symbols[];
+   static int                       _shared_ident_limit;
++  static Arena*                    _initial_arena;
+ 
+   Arena*                           _arena;
+   GrowableArray<ciMetadata*>       _ci_metadata;
+@@ -90,10 +92,14 @@ private:
+   ciInstance* get_unloaded_instance(ciInstanceKlass* klass);
+ 
+   static int compare_cimetadata(ciMetadata** a, ciMetadata** b);
++  void do_reinitialize_vm_classes();
+ public:
+   static bool is_initialized() { return _initialized; }
++  static bool is_reinitialize_vm_klasses() { return _reinitialize_vm_klasses; }
++  static void set_reinitialize_vm_klasses() { _reinitialize_vm_klasses = true; }
+ 
+   static void initialize();
++  static void reinitialize_vm_classes();
+   void init_shared_objects();
+   void remove_symbols();
+ 
+diff --git a/src/hotspot/share/classfile/vmClasses.cpp b/src/hotspot/share/classfile/vmClasses.cpp
+index 2bd1ca65cc0..3ec13d952d8 100644
+--- a/src/hotspot/share/classfile/vmClasses.cpp
++++ b/src/hotspot/share/classfile/vmClasses.cpp
+@@ -259,3 +259,13 @@ BasicType vmClasses::box_klass_type(Klass* k) {
+   }
+   return T_OBJECT;
+ }
++
++bool vmClasses::update_vm_klass(InstanceKlass* old_klass, InstanceKlass* new_klass) {
++  for (int id = static_cast<int>(vmClassID::FIRST); id < static_cast<int>(vmClassID::LIMIT); id++) {
++    if (_klasses[id] == old_klass) {
++      _klasses[id] = new_klass;
++      return true;
++    }
++  }
++  return false;
++}
+diff --git a/src/hotspot/share/classfile/vmClasses.hpp b/src/hotspot/share/classfile/vmClasses.hpp
+index 364014a2514..b637ff0ae3d 100644
+--- a/src/hotspot/share/classfile/vmClasses.hpp
++++ b/src/hotspot/share/classfile/vmClasses.hpp
+@@ -110,6 +110,10 @@ public:
+   static bool Cloneable_klass_loaded()      { return is_loaded(VM_CLASS_AT(Cloneable_klass));          }
+   static bool Parameter_klass_loaded()      { return is_loaded(VM_CLASS_AT(reflect_Parameter_klass));  }
+   static bool ClassLoader_klass_loaded()    { return is_loaded(VM_CLASS_AT(ClassLoader_klass));        }
++
++  // (DCEVM) vmClasses could be modified
++  static bool update_vm_klass(InstanceKlass* new_klass, InstanceKlass* old_klass);
++
+ };
+ 
+ #endif // SHARE_CLASSFILE_VMCLASSES_HPP
+diff --git a/src/hotspot/share/classfile/vmSymbols.hpp b/src/hotspot/share/classfile/vmSymbols.hpp
+index dad94005f5c..82fd593224a 100644
+--- a/src/hotspot/share/classfile/vmSymbols.hpp
++++ b/src/hotspot/share/classfile/vmSymbols.hpp
+@@ -380,6 +380,8 @@
+   template(exit_method_name,                          "exit")                                     \
+   template(add_method_name,                           "add")                                      \
+   template(remove_method_name,                        "remove")                                   \
++  template(registerNatives_method_name,               "registerNatives")                          \
++  template(initIDs_method_name,                       "initIDs")                                  \
+   template(parent_name,                               "parent")                                   \
+   template(threads_name,                              "threads")                                  \
+   template(groups_name,                               "groups")                                   \
+diff --git a/src/hotspot/share/compiler/compileBroker.cpp b/src/hotspot/share/compiler/compileBroker.cpp
+index cc1dff089e8..aaf8e4b1f1e 100644
+--- a/src/hotspot/share/compiler/compileBroker.cpp
++++ b/src/hotspot/share/compiler/compileBroker.cpp
+@@ -1982,6 +1982,17 @@ void CompileBroker::compiler_thread_loop() {
+       if (method()->number_of_breakpoints() == 0) {
+         // Compile the method.
+         if ((UseCompiler || AlwaysCompileLoopMethods) && CompileBroker::should_compile_new_jobs()) {
++
++          // TODO: review usage of CompileThread_lock (DCEVM)
++          if (ciObjectFactory::is_reinitialize_vm_klasses())
++          {
++            ASSERT_IN_VM;
++            MutexLocker only_one(CompileThread_lock);
++            if (ciObjectFactory::is_reinitialize_vm_klasses()) {
++              ciObjectFactory::reinitialize_vm_classes();
++            }
++          }
++
+           invoke_compiler_on_method(task);
+           thread->start_idle_timer();
+         } else {
+diff --git a/src/hotspot/share/memory/universe.cpp b/src/hotspot/share/memory/universe.cpp
+index 4ae3b382b67..92da9bbe5f9 100644
+--- a/src/hotspot/share/memory/universe.cpp
++++ b/src/hotspot/share/memory/universe.cpp
+@@ -924,6 +924,14 @@ void Universe::initialize_known_methods(TRAPS) {
+                           vmSymbols::doStackWalk_signature(), false, CHECK);
+ }
+ 
++void Universe::reinitialize_loader_addClass_method(TRAPS) {
++  // Set up method for registering loaded classes in class loader vector
++  initialize_known_method(_loader_addClass_cache,
++                          vmClasses::ClassLoader_klass(),
++                          "addClass",
++                          vmSymbols::class_void_signature(), false, CHECK);
++}
++
+ void universe2_init() {
+   EXCEPTION_MARK;
+   Universe::genesis(CATCH);
+diff --git a/src/hotspot/share/memory/universe.hpp b/src/hotspot/share/memory/universe.hpp
+index 4b2211c415e..4d4c444220e 100644
+--- a/src/hotspot/share/memory/universe.hpp
++++ b/src/hotspot/share/memory/universe.hpp
+@@ -268,6 +268,8 @@ class Universe: AllStatic {
+   // Function to initialize these
+   static void initialize_known_methods(TRAPS);
+ 
++  static void reinitialize_loader_addClass_method(TRAPS);
++
+   static void create_preallocated_out_of_memory_errors(TRAPS);
+ 
+   // 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 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"
+@@ -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;
+@@ -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);
+@@ -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;
+   }
+@@ -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);
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
+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();
+-- 
+2.23.0
+

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

@@ -0,0 +1,260 @@
+From 0726e1c509e6c1958c322143ab41a5fd4829479b 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 29/37] Fix fastdebug compilation issues - cast_to_oop
+
+---
+ .../share/gc/g1/g1FullGCCompactTask.cpp       | 12 +++++-----
+ .../share/gc/g1/g1FullGCCompactionPoint.cpp   | 10 ++++-----
+ .../share/gc/g1/g1FullGCPrepareTask.cpp       |  4 ++--
+ src/hotspot/share/gc/shared/dcevmSharedGC.cpp |  6 ++---
+ src/hotspot/share/gc/shared/space.cpp         | 22 +++++++++----------
+ src/hotspot/share/gc/shared/space.inline.hpp  | 14 ++++++------
+ .../prims/jvmtiEnhancedRedefineClasses.cpp    |  2 +-
+ 7 files changed, 35 insertions(+), 35 deletions(-)
+
+diff --git a/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp b/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp
+index 058dea90828..765630a9826 100644
+--- a/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp
++++ b/src/hotspot/share/gc/g1/g1FullGCCompactTask.cpp
+@@ -183,18 +183,18 @@ size_t G1FullGCCompactTask::G1CompactRegionClosureDcevm::apply(oop obj) {
+     Klass* new_version = obj->klass()->new_version();
+     if (new_version->update_information() == NULL) {
+       Copy::aligned_conjoint_words(obj_addr, destination, size);
+-      oop(destination)->set_klass(new_version);
++      cast_to_oop(destination)->set_klass(new_version);
+     } else {
+-      DcevmSharedGC::update_fields(obj, oop(destination));
++      DcevmSharedGC::update_fields(obj, cast_to_oop(destination));
+     }
+-    oop(destination)->init_mark();
+-    assert(oop(destination)->klass() != NULL, "should have a class");
++    cast_to_oop(destination)->init_mark();
++    assert(cast_to_oop(destination)->klass() != NULL, "should have a class");
+     return size;
+   }
+ 
+   Copy::aligned_conjoint_words(obj_addr, destination, size);
+-  oop(destination)->init_mark();
+-  assert(oop(destination)->klass() != NULL, "should have a class");
++  cast_to_oop(destination)->init_mark();
++  assert(cast_to_oop(destination)->klass() != NULL, "should have a class");
+ 
+   return size;
+ }
+diff --git a/src/hotspot/share/gc/g1/g1FullGCCompactionPoint.cpp b/src/hotspot/share/gc/g1/g1FullGCCompactionPoint.cpp
+index 87b1977128a..028c182e68f 100644
+--- a/src/hotspot/share/gc/g1/g1FullGCCompactionPoint.cpp
++++ b/src/hotspot/share/gc/g1/g1FullGCCompactionPoint.cpp
+@@ -171,7 +171,7 @@ void G1FullGCCompactionPoint::forward_dcevm(oop object, size_t size, bool force_
+ 
+   // Store a forwarding pointer if the object should be moved.
+   if (cast_from_oop<HeapWord*>(object) != _compaction_top || force_forward) {
+-    object->forward_to(oop(_compaction_top));
++    object->forward_to(cast_to_oop(_compaction_top));
+   } else {
+     if (object->forwardee() != NULL) {
+       // Object should not move but mark-word is used so it looks like the
+@@ -208,17 +208,17 @@ void G1FullGCCompactionPoint::forward_rescued() {
+   for (;i<rescued_oops()->length(); i++) {
+     HeapWord* q = rescued_oops()->at(i);
+ 
+-    size_t size = oop(q)->size();
++    size_t size = cast_to_oop(q)->size();
+ 
+     // (DCEVM) There is a new version of the class of q => different size
+-    if (oop(q)->klass()->new_version() != NULL) {
++    if (cast_to_oop(q)->klass()->new_version() != NULL) {
+       // assert(size != new_size, "instances without changed size have to be updated prior to GC run");
+-      size = oop(q)->size_given_klass(oop(q)->klass()->new_version());
++      size = cast_to_oop(q)->size_given_klass(cast_to_oop(q)->klass()->new_version());
+     }
+     if (forward_compact_top(size) == NULL) {
+       break;
+     }
+-    forward_dcevm(oop(q), size, true);
++    forward_dcevm(cast_to_oop(q), size, true);
+   }
+   _last_rescued_oop = i;
+ }
+diff --git a/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp b/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp
+index 05f0444cc7a..93c066383a1 100644
+--- a/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp
++++ b/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp
+@@ -297,7 +297,7 @@ size_t G1FullGCPrepareTask::G1PrepareCompactLiveClosureDcevm::apply(oop object)
+ 
+   HeapWord* compact_top = _cp->forward_compact_top(forward_size);
+ 
+-  if (compact_top == NULL || must_rescue(object, oop(compact_top))) {
++  if (compact_top == NULL || must_rescue(object, cast_to_oop(compact_top))) {
+     _cp->rescued_oops()->append(cast_from_oop<HeapWord*>(object));
+   } else {
+     _cp->forward_dcevm(object, forward_size, (size != forward_size));
+@@ -308,7 +308,7 @@ size_t G1FullGCPrepareTask::G1PrepareCompactLiveClosureDcevm::apply(oop object)
+ 
+ bool G1FullGCPrepareTask::G1PrepareCompactLiveClosureDcevm::must_rescue(oop old_obj, oop new_obj) {
+   // Only redefined objects can have the need to be rescued.
+-  if (oop(old_obj)->klass()->new_version() == NULL) {
++  if (old_obj->klass()->new_version() == NULL) {
+     return false;
+   }
+ 
+diff --git a/src/hotspot/share/gc/shared/dcevmSharedGC.cpp b/src/hotspot/share/gc/shared/dcevmSharedGC.cpp
+index edc19a3077d..de3d518b696 100644
+--- a/src/hotspot/share/gc/shared/dcevmSharedGC.cpp
++++ b/src/hotspot/share/gc/shared/dcevmSharedGC.cpp
+@@ -46,7 +46,7 @@ void DcevmSharedGC::copy_rescued_objects_back(GrowableArray<HeapWord*>* rescued_
+   if (rescued_oops != NULL) {
+     for (int i=from; i < to; i++) {
+       HeapWord* rescued_ptr = rescued_oops->at(i);
+-      oop rescued_obj = (oop) rescued_ptr;
++      oop rescued_obj = cast_to_oop(rescued_ptr);
+ 
+       int size = rescued_obj->size();
+       oop new_obj = rescued_obj->forwardee();
+@@ -75,7 +75,7 @@ void DcevmSharedGC::clear_rescued_objects_resource(GrowableArray<HeapWord*>* res
+   if (rescued_oops != NULL) {
+     for (int i=0; i < rescued_oops->length(); i++) {
+       HeapWord* rescued_ptr = rescued_oops->at(i);
+-      int size = ((oop) rescued_ptr)->size();
++      int size = cast_to_oop(rescued_ptr)->size();
+       FREE_RESOURCE_ARRAY(HeapWord, rescued_ptr, size);
+     }
+     rescued_oops->clear();
+@@ -114,7 +114,7 @@ void DcevmSharedGC::update_fields(oop q, oop new_location) {
+     if ((cast_from_oop<HeapWord*>(q) >= cast_from_oop<HeapWord*>(new_location) && cast_from_oop<HeapWord*>(q) < cast_from_oop<HeapWord*>(new_location) + new_size) ||
+         (cast_from_oop<HeapWord*>(new_location) >= cast_from_oop<HeapWord*>(q) && cast_from_oop<HeapWord*>(new_location) < cast_from_oop<HeapWord*>(q) + size)) {
+        tmp = NEW_RESOURCE_ARRAY(HeapWord, size);
+-       q = (oop) tmp;
++       q = cast_to_oop(tmp);
+        Copy::aligned_disjoint_words(cast_from_oop<HeapWord*>(tmp_obj), cast_from_oop<HeapWord*>(q), size);
+     }
+   }
+diff --git a/src/hotspot/share/gc/shared/space.cpp b/src/hotspot/share/gc/shared/space.cpp
+index 29a81348d2d..000760744f7 100644
+--- a/src/hotspot/share/gc/shared/space.cpp
++++ b/src/hotspot/share/gc/shared/space.cpp
+@@ -475,7 +475,7 @@ bool CompactibleSpace::must_rescue(oop old_obj, oop new_obj) {
+ 
+   int new_size = old_obj->size_given_klass(oop(old_obj)->klass()->new_version());
+   int original_size = old_obj->size();
+-  
++
+   Generation* tenured_gen = GenCollectedHeap::heap()->old_gen();
+   bool old_in_tenured = tenured_gen->is_in_reserved(old_obj);
+   bool new_in_tenured = tenured_gen->is_in_reserved(new_obj);
+@@ -513,9 +513,9 @@ bool CompactibleSpace::must_rescue(oop old_obj, oop new_obj) {
+ }
+ 
+ HeapWord* CompactibleSpace::rescue(HeapWord* old_obj) {
+-  assert(must_rescue(oop(old_obj), oop(old_obj)->forwardee()), "do not call otherwise");
++  assert(must_rescue(cast_to_oop(old_obj), cast_to_oop(old_obj)->forwardee()), "do not call otherwise");
+ 
+-  int size = oop(old_obj)->size();
++  int size = cast_to_oop(old_obj)->size();
+   HeapWord* rescued_obj = NEW_RESOURCE_ARRAY(HeapWord, size);
+   Copy::aligned_disjoint_words(old_obj, rescued_obj, size);
+ 
+@@ -803,16 +803,16 @@ HeapWord* CompactibleSpace::forward_with_rescue(HeapWord* q, size_t size,
+   size_t forward_size = size;
+ 
+   // (DCEVM) There is a new version of the class of q => different size
+-  if (oop(q)->klass()->new_version() != NULL) {
++  if (cast_to_oop(q)->klass()->new_version() != NULL) {
+ 
+-    size_t new_size = oop(q)->size_given_klass(oop(q)->klass()->new_version());
++    size_t new_size = cast_to_oop(q)->size_given_klass(cast_to_oop(q)->klass()->new_version());
+     // assert(size != new_size, "instances without changed size have to be updated prior to GC run");
+     forward_size = new_size;
+   }
+ 
+   compact_top = forward_compact_top(forward_size, cp, compact_top);
+ 
+-  if (must_rescue(oop(q), oop(compact_top))) {
++  if (must_rescue(cast_to_oop(q), cast_to_oop(compact_top))) {
+     if (MarkSweep::_rescued_oops == NULL) {
+       MarkSweep::_rescued_oops = new GrowableArray<HeapWord*>(128);
+     }
+@@ -820,7 +820,7 @@ HeapWord* CompactibleSpace::forward_with_rescue(HeapWord* q, size_t size,
+     return compact_top;
+   }
+ 
+-  return forward(oop(q), forward_size, cp, compact_top, force_forward);
++  return forward(cast_to_oop(q), forward_size, cp, compact_top, force_forward);
+ }
+ 
+ // Compute the forwarding addresses for the objects that need to be rescued.
+@@ -830,17 +830,17 @@ HeapWord* CompactibleSpace::forward_rescued(CompactPoint* cp, HeapWord* compact_
+     for (int i=0; i<MarkSweep::_rescued_oops->length(); i++) {
+       HeapWord* q = MarkSweep::_rescued_oops->at(i);
+ 
+-      /* size_t size = oop(q)->size();  changing this for cms for perm gen */
++      /* size_t size = cast_to_oop(q)->size();  changing this for cms for perm gen */
+       size_t size = block_size(q);
+ 
+       // (DCEVM) There is a new version of the class of q => different size
+-      if (oop(q)->klass()->new_version() != NULL) {
+-        size_t new_size = oop(q)->size_given_klass(oop(q)->klass()->new_version());
++      if (cast_to_oop(q)->klass()->new_version() != NULL) {
++        size_t new_size = cast_to_oop(q)->size_given_klass(cast_to_oop(q)->klass()->new_version());
+         // assert(size != new_size, "instances without changed size have to be updated prior to GC run");
+         size = new_size;
+       }
+ 
+-      compact_top = cp->space->forward(oop(q), size, cp, compact_top, true);
++      compact_top = cp->space->forward(cast_to_oop(q), size, cp, compact_top, true);
+       assert(compact_top <= end(), "must not write over end of space!");
+     }
+     MarkSweep::_rescued_oops->clear();
+diff --git a/src/hotspot/share/gc/shared/space.inline.hpp b/src/hotspot/share/gc/shared/space.inline.hpp
+index cafa2503ef4..076ce6b0cce 100644
+--- a/src/hotspot/share/gc/shared/space.inline.hpp
++++ b/src/hotspot/share/gc/shared/space.inline.hpp
+@@ -351,7 +351,7 @@ inline void CompactibleSpace::scan_and_compact(SpaceType* space, bool redefiniti
+       size_t size = space->obj_size(cur_obj);
+       HeapWord* compaction_top = cast_from_oop<HeapWord*>(cast_to_oop(cur_obj)->forwardee());
+ 
+-      if (redefinition_run &&  space->must_rescue(oop(cur_obj), oop(cur_obj)->forwardee())) {
++      if (redefinition_run &&  space->must_rescue(cast_to_oop(cur_obj), cast_to_oop(cur_obj)->forwardee())) {
+          space->rescue(cur_obj);
+         debug_only(Copy::fill_to_words(cur_obj, size, 0));
+         cur_obj += size;
+@@ -363,16 +363,16 @@ inline void CompactibleSpace::scan_and_compact(SpaceType* space, bool redefiniti
+ 
+       // copy object and reinit its mark
+       assert(redefinition_run || cur_obj != compaction_top, "everything in this pass should be moving");
+-      if (redefinition_run && oop(cur_obj)->klass()->new_version() != NULL) {
+-        Klass* new_version = oop(cur_obj)->klass()->new_version();
++      if (redefinition_run && cast_to_oop(cur_obj)->klass()->new_version() != NULL) {
++        Klass* new_version = cast_to_oop(cur_obj)->klass()->new_version();
+         if (new_version->update_information() == NULL) {
+           Copy::aligned_conjoint_words(cur_obj, compaction_top, size);
+-          oop(compaction_top)->set_klass(new_version);
++          cast_to_oop(compaction_top)->set_klass(new_version);
+         } else {
+-          DcevmSharedGC::update_fields(oop(cur_obj), oop(compaction_top));
++          DcevmSharedGC::update_fields(cast_to_oop(cur_obj), cast_to_oop(compaction_top));
+         }
+-        oop(compaction_top)->init_mark();
+-        assert(oop(compaction_top)->klass() != NULL, "should have a class");
++        cast_to_oop(compaction_top)->init_mark();
++        assert(cast_to_oop(compaction_top)->klass() != NULL, "should have a class");
+ 
+         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 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);
+   }
+-- 
+2.23.0
+

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

@@ -0,0 +1,27 @@
+From 757acc64f84e02358001a245cf17af4db9b4ea26 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 30/37] JBR-3458: Skip dynamic proxy classes based on
+ com.sun.proxy
+
+---
+ src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+index 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
+-- 
+2.23.0
+

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

@@ -0,0 +1,81 @@
+From ed068b107edb626caad7386f2501f8fa2c95ddd0 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 31/37] JBR-3459: Fix race condition in
+ ClassLoaderDataGraph::classes_do
+
+InstanceKlass in ClassLoaderData can be uninitialized when
+ClassLoaderDataGraph::classes_do is called. Using
+ClassLoaderDataGraph::dictionary_classes_do is safe but problem is still
+persisting with anonymous classes.
+---
+ .../share/classfile/classLoaderDataGraph.cpp       | 10 ++++++++++
+ .../share/classfile/classLoaderDataGraph.hpp       |  4 ++++
+ .../share/prims/jvmtiEnhancedRedefineClasses.cpp   | 14 ++++++++++++--
+ 3 files changed, 26 insertions(+), 2 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/classLoaderDataGraph.cpp b/src/hotspot/share/classfile/classLoaderDataGraph.cpp
+index 67ade5709f6..aa2a6bcec6b 100644
+--- a/src/hotspot/share/classfile/classLoaderDataGraph.cpp
++++ b/src/hotspot/share/classfile/classLoaderDataGraph.cpp
+@@ -361,6 +361,16 @@ void ClassLoaderDataGraph::classes_do(KlassClosure* klass_closure) {
+   }
+ }
+ 
++void ClassLoaderDataGraph::anonymous_or_hidden_classes_do(KlassClosure* klass_closure) {
++  Thread* thread = Thread::current();
++  for (ClassLoaderData* cld = _head; cld != NULL; cld = cld->next()) {
++    if (cld->has_class_mirror_holder()) {
++      Handle holder(thread, cld->holder_phantom());
++      cld->classes_do(klass_closure);
++    }
++  }
++}
++
+ void ClassLoaderDataGraph::classes_do(void f(Klass* const)) {
+   ClassLoaderDataGraphIterator iter;
+   while (ClassLoaderData* cld = iter.get_next()) {
+diff --git a/src/hotspot/share/classfile/classLoaderDataGraph.hpp b/src/hotspot/share/classfile/classLoaderDataGraph.hpp
+index ebdb0bc2c8c..da712eaf55f 100644
+--- a/src/hotspot/share/classfile/classLoaderDataGraph.hpp
++++ b/src/hotspot/share/classfile/classLoaderDataGraph.hpp
+@@ -78,6 +78,10 @@ class ClassLoaderDataGraph : public AllStatic {
+   // for redefinition.  These classes are removed during the next class unloading.
+   // Walking the ClassLoaderDataGraph also includes hidden classes.
+   static void classes_do(KlassClosure* klass_closure);
++
++  // Enhanced class redefinition
++  static void anonymous_or_hidden_classes_do(KlassClosure* klass_closure);
++
+   static void classes_do(void f(Klass* const));
+   static void methods_do(void f(Method*));
+   static void modules_do(void f(ModuleEntry*));
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+index 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());
+ 
+-- 
+2.23.0
+

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

@@ -0,0 +1,39 @@
+From 1ae7b2fe45add5105015dacad801bd85d329573f 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 32/37] Fix compilation problems
+
+---
+ src/hotspot/share/oops/instanceKlass.cpp                 | 2 +-
+ src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp | 2 +-
+ 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
+--- a/src/hotspot/share/oops/instanceKlass.cpp
++++ b/src/hotspot/share/oops/instanceKlass.cpp
+@@ -978,7 +978,7 @@ bool InstanceKlass::link_class_impl(TRAPS) {
+         set_init_state(linked);
+       }
+       // (DCEVM) Must check for old version in order to prevent infinite loops.
+-      if (JvmtiExport::should_post_class_prepare()  && (!AllowEnhancedClassRedefinition || old_version() == NULL /* JVMTI deadlock otherwise */) {
++      if (JvmtiExport::should_post_class_prepare()  && (!AllowEnhancedClassRedefinition || old_version() == NULL /* JVMTI deadlock otherwise */)) {
+         JvmtiExport::post_class_prepare(THREAD, this);
+       }
+     }
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+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
+-- 
+2.23.0
+

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

@@ -0,0 +1,350 @@
+From 14db498a166b8101adc96db26ff68bf24409a5ce 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 33/37] Fix dcevm issues related to refactorization of Thread
+ to JavaThread
+
+---
+ src/hotspot/share/cds/lambdaFormInvokers.cpp  |  1 +
+ .../prims/jvmtiEnhancedRedefineClasses.cpp    | 72 +++++++++----------
+ .../prims/jvmtiEnhancedRedefineClasses.hpp    | 12 ++--
+ 3 files changed, 39 insertions(+), 46 deletions(-)
+
+diff --git a/src/hotspot/share/cds/lambdaFormInvokers.cpp b/src/hotspot/share/cds/lambdaFormInvokers.cpp
+index 5c058dc43ac..9de28f740ac 100644
+--- a/src/hotspot/share/cds/lambdaFormInvokers.cpp
++++ b/src/hotspot/share/cds/lambdaFormInvokers.cpp
+@@ -178,6 +178,7 @@ void LambdaFormInvokers::reload_class(char* name, ClassFileStream& st, TRAPS) {
+                                                    class_name,
+                                                    cld,
+                                                    cl_info,
++                                                   false, // pick_newest
+                                                    CHECK);
+ 
+   {
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+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"
+@@ -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"
+@@ -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()) {
+@@ -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);
+@@ -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)
+@@ -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.
+@@ -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
+@@ -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);
+@@ -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.");
+         }
+ 
+@@ -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());
+         }
+       }
+@@ -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;
+@@ -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
+@@ -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;
+@@ -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()) {
+@@ -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
+@@ -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
+ 
+@@ -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);
+   }
+ }
+ 
+@@ -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();
+@@ -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 {
+@@ -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
+@@ -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());
+@@ -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;
+ 
+@@ -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()));
+   }
+@@ -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);
+     }
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
+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);
+ 
+@@ -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();
+ 
+-- 
+2.23.0
+

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

@@ -0,0 +1,142 @@
+From 67678d00358003828e72a9f21bf451c37a7869b7 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 34/37] Fix init_method_MemberName after Thread to JavaThread
+ refactorization
+
+---
+ src/hotspot/share/interpreter/linkResolver.cpp    | 14 ++++++++++----
+ src/hotspot/share/interpreter/linkResolver.hpp    |  3 ++-
+ src/hotspot/share/oops/instanceKlass.cpp          | 15 ---------------
+ src/hotspot/share/oops/instanceKlass.hpp          |  1 -
+ .../share/prims/jvmtiEnhancedRedefineClasses.cpp  | 11 +++++++++--
+ 5 files changed, 21 insertions(+), 23 deletions(-)
+
+diff --git a/src/hotspot/share/interpreter/linkResolver.cpp b/src/hotspot/share/interpreter/linkResolver.cpp
+index 9edc021b5cb..f4d17dbddbb 100644
+--- a/src/hotspot/share/interpreter/linkResolver.cpp
++++ b/src/hotspot/share/interpreter/linkResolver.cpp
+@@ -131,14 +131,14 @@ void CallInfo::set_common(Klass* resolved_klass,
+ }
+ 
+ // utility query for unreflecting a method
+-CallInfo::CallInfo(Method* resolved_method, Klass* resolved_klass, TRAPS) {
++CallInfo::CallInfo(Method* resolved_method, Klass* resolved_klass, Thread* thread) {
+   Klass* resolved_method_holder = resolved_method->method_holder();
+   if (resolved_klass == NULL) { // 2nd argument defaults to holder of 1st
+     resolved_klass = resolved_method_holder;
+   }
+   _resolved_klass  = resolved_klass;
+-  _resolved_method = methodHandle(THREAD, resolved_method);
+-  _selected_method = methodHandle(THREAD, resolved_method);
++  _resolved_method = methodHandle(thread, resolved_method);
++  _selected_method = methodHandle(thread, resolved_method);
+   // classify:
+   CallKind kind = CallInfo::unknown_kind;
+   int index = resolved_method->vtable_index();
+@@ -179,7 +179,9 @@ CallInfo::CallInfo(Method* resolved_method, Klass* resolved_klass, TRAPS) {
+   _call_index = index;
+   _resolved_appendix = Handle();
+   // Find or create a ResolvedMethod instance for this Method*
+-  set_resolved_method_name(CHECK);
++  if (thread->is_Java_thread()) { // exclude DCEVM VM thread
++    set_resolved_method_name(thread->as_Java_thread());
++  }
+ 
+   DEBUG_ONLY(verify());
+ }
+@@ -190,6 +192,10 @@ void CallInfo::set_resolved_method_name(TRAPS) {
+   _resolved_method_name = Handle(THREAD, rmethod_name);
+ }
+ 
++void CallInfo::set_resolved_method_name_dcevm(oop rmethod_name, Thread* thread) {
++  _resolved_method_name = Handle(thread, rmethod_name);
++}
++
+ #ifdef ASSERT
+ void CallInfo::verify() {
+   switch (call_kind()) {  // the meaning and allowed value of index depends on kind
+diff --git a/src/hotspot/share/interpreter/linkResolver.hpp b/src/hotspot/share/interpreter/linkResolver.hpp
+index 9eeb10cc6fd..871eaab7464 100644
+--- a/src/hotspot/share/interpreter/linkResolver.hpp
++++ b/src/hotspot/share/interpreter/linkResolver.hpp
+@@ -91,7 +91,7 @@ class CallInfo : public StackObj {
+   // utility to extract an effective CallInfo from a method and an optional receiver limit
+   // does not queue the method for compilation.  This also creates a ResolvedMethodName
+   // object for the resolved_method.
+-  CallInfo(Method* resolved_method, Klass* resolved_klass, TRAPS);
++  CallInfo(Method* resolved_method, Klass* resolved_klass, Thread* thread);
+ 
+   Klass*  resolved_klass() const                 { return _resolved_klass; }
+   Method* resolved_method() const                { return _resolved_method(); }
+@@ -100,6 +100,7 @@ class CallInfo : public StackObj {
+   Handle       resolved_method_name() const      { return _resolved_method_name; }
+   // Materialize a java.lang.invoke.ResolvedMethodName for this resolved_method
+   void     set_resolved_method_name(TRAPS);
++  void     set_resolved_method_name_dcevm(oop rmethod_name, Thread* thread);
+ 
+   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
+--- 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)) {
+   }
+ }
+ 
+-void InstanceKlass::methods_do(void f(Method* method, TRAPS), TRAPS) {
+-  // Methods aren't stable until they are loaded.  This can be read outside
+-  // a lock through the ClassLoaderData for profiling
+-  if (!is_loaded()) {
+-    return;
+-  }
+-
+-  int len = methods()->length();
+-  for (int index = 0; index < len; index++) {
+-    Method* m = methods()->at(index);
+-    assert(m->is_method(), "must be method");
+-    f(m, CHECK);
+-  }
+-}
+-
+ //  (DCEVM) Update information contains mapping of fields from old class to the new class.
+ //  Info is stored on HEAP, you need to call clear_update_information to free the space.
+ void InstanceKlass::store_update_information(GrowableArray<int> &values) {
+diff --git a/src/hotspot/share/oops/instanceKlass.hpp b/src/hotspot/share/oops/instanceKlass.hpp
+index 317a006a4ec..36587031fec 100644
+--- a/src/hotspot/share/oops/instanceKlass.hpp
++++ b/src/hotspot/share/oops/instanceKlass.hpp
+@@ -1017,7 +1017,6 @@ public:
+   void clear_update_information();
+ 
+   void methods_do(void f(Method* method));
+-  void methods_do(void f(Method* method, TRAPS), TRAPS);
+   void array_klasses_do(void f(Klass* k));
+   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 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);
+         }
+-- 
+2.23.0
+

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

@@ -0,0 +1,25 @@
+From 1933a46c71fc58aa789b4d4dc870b95e2a5e3271 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 35/37] Fix "implicit conversion of NULL constant to 'bool'"
+
+---
+ src/hotspot/share/prims/jvmtiRedefineClasses.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/prims/jvmtiRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
+index 87b3b5f47ce..6915a09cf85 100644
+--- a/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
+@@ -1390,7 +1390,7 @@ jvmtiError VM_RedefineClasses::load_new_class_versions() {
+                                                       the_class->name(),
+                                                       the_class->class_loader_data(),
+                                                       cl_info,
+-                                                      NULL,
++                                                      false,
+                                                       THREAD);
+ 
+     // Clear class_being_redefined just to be sure.
+-- 
+2.23.0
+

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

@@ -0,0 +1,113 @@
+From c9deb3cb17e93cc2914b8f3f0eb83dc31a8368f5 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 37/37] Search for affected classes in all initialized classes
+ in cld
+
+Fix also case when lambda interface is redefined. Lambda class is
+missing in cld dictionary since it is hidden since j17
+---
+ src/hotspot/share/classfile/classLoaderData.cpp     | 10 ++++++++++
+ src/hotspot/share/classfile/classLoaderData.hpp     |  1 +
+ .../share/classfile/classLoaderDataGraph.cpp        | 11 ++++-------
+ .../share/classfile/classLoaderDataGraph.hpp        |  2 +-
+ .../share/prims/jvmtiEnhancedRedefineClasses.cpp    | 13 ++++---------
+ 5 files changed, 20 insertions(+), 17 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/classLoaderData.cpp b/src/hotspot/share/classfile/classLoaderData.cpp
+index 975a41c534f..8c5e7d74569 100644
+--- a/src/hotspot/share/classfile/classLoaderData.cpp
++++ b/src/hotspot/share/classfile/classLoaderData.cpp
+@@ -337,6 +337,16 @@ void ClassLoaderData::classes_do(KlassClosure* klass_closure) {
+   }
+ }
+ 
++void ClassLoaderData::initialized_classes_do(KlassClosure* klass_closure) {
++  // Lock-free access requires load_acquire
++  for (Klass* k = Atomic::load_acquire(&_klasses); k != NULL; k = k->next_link()) {
++    if (k->is_instance_klass() && InstanceKlass::cast(k)->is_initialized()) {
++      klass_closure->do_klass(k);
++    }
++    assert(k != k->next_link(), "no loops!");
++  }
++}
++
+ void ClassLoaderData::classes_do(void f(Klass * const)) {
+   // Lock-free access requires load_acquire
+   for (Klass* k = Atomic::load_acquire(&_klasses); k != NULL; k = k->next_link()) {
+diff --git a/src/hotspot/share/classfile/classLoaderData.hpp b/src/hotspot/share/classfile/classLoaderData.hpp
+index bda39f3e353..28fc9060e03 100644
+--- a/src/hotspot/share/classfile/classLoaderData.hpp
++++ b/src/hotspot/share/classfile/classLoaderData.hpp
+@@ -272,6 +272,7 @@ class ClassLoaderData : public CHeapObj<mtClass> {
+   void oops_do(OopClosure* f, int claim_value, bool clear_modified_oops = false);
+ 
+   void classes_do(KlassClosure* klass_closure);
++  void initialized_classes_do(KlassClosure* klass_closure);
+   Klass* klasses() { return _klasses; }
+ 
+   JNIMethodBlock* jmethod_ids() const              { return _jmethod_ids; }
+diff --git a/src/hotspot/share/classfile/classLoaderDataGraph.cpp b/src/hotspot/share/classfile/classLoaderDataGraph.cpp
+index aa2a6bcec6b..f2394f72dbd 100644
+--- a/src/hotspot/share/classfile/classLoaderDataGraph.cpp
++++ b/src/hotspot/share/classfile/classLoaderDataGraph.cpp
+@@ -361,13 +361,10 @@ void ClassLoaderDataGraph::classes_do(KlassClosure* klass_closure) {
+   }
+ }
+ 
+-void ClassLoaderDataGraph::anonymous_or_hidden_classes_do(KlassClosure* klass_closure) {
+-  Thread* thread = Thread::current();
+-  for (ClassLoaderData* cld = _head; cld != NULL; cld = cld->next()) {
+-    if (cld->has_class_mirror_holder()) {
+-      Handle holder(thread, cld->holder_phantom());
+-      cld->classes_do(klass_closure);
+-    }
++void ClassLoaderDataGraph::initialized_classes_do(KlassClosure* klass_closure) {
++  ClassLoaderDataGraphIterator iter;
++  while (ClassLoaderData* cld = iter.get_next()) {
++    cld->initialized_classes_do(klass_closure);
+   }
+ }
+ 
+diff --git a/src/hotspot/share/classfile/classLoaderDataGraph.hpp b/src/hotspot/share/classfile/classLoaderDataGraph.hpp
+index da712eaf55f..ff391ec74fc 100644
+--- a/src/hotspot/share/classfile/classLoaderDataGraph.hpp
++++ b/src/hotspot/share/classfile/classLoaderDataGraph.hpp
+@@ -80,7 +80,7 @@ class ClassLoaderDataGraph : public AllStatic {
+   static void classes_do(KlassClosure* klass_closure);
+ 
+   // Enhanced class redefinition
+-  static void anonymous_or_hidden_classes_do(KlassClosure* klass_closure);
++  static void initialized_classes_do(KlassClosure* klass_closure);
+ 
+   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
+--- 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());
+-- 
+2.23.0
+

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

@@ -0,0 +1,118 @@
+#!/bin/bash -x
+
+# The following parameters must be specified:
+#   JBSDK_VERSION    - specifies major version of OpenJDK e.g. 11_0_6 (instead of dots '.' underbars "_" are used)
+#   JDK_BUILD_NUMBER - specifies update release of OpenJDK build or the value of --with-version-build argument to configure
+#   build_number     - specifies the number of JetBrainsRuntime build
+#   bundle_type      - specifies bundle to be built; possible values:
+#                        <empty> or nomod - the release bundles without any additional modules (jcef)
+#                        jcef - the release bundles with jcef
+#                        fd - the fastdebug bundles which also include the jcef module
+#
+# jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+# jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+#
+# $ ./java --version
+# openjdk 11.0.6 2020-01-14
+# OpenJDK Runtime Environment (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number})
+# OpenJDK 64-Bit Server VM (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number}, mixed mode)
+#
+# Environment variables:
+#   JCEF_PATH - specifies the path to the directory with JCEF binaries.
+#               By default JCEF binaries should be located in ./jcef_win_x64
+
+JBSDK_VERSION=$1
+JDK_BUILD_NUMBER=$2
+build_number=$3
+bundle_type=$4
+JBSDK_VERSION_WITH_DOTS=$(echo $JBSDK_VERSION | sed 's/_/\./g')
+WORK_DIR=$(pwd)
+JCEF_PATH=${JCEF_PATH:=$WORK_DIR/jcef_win_x64}
+
+source jb/project/tools/common/scripts/common.sh
+
+function create_image_bundle {
+  __bundle_name=$1
+  __modules_path=$2
+  __modules=$3
+
+  [ -d $__bundle_name ] && rm -rf $__bundle_name
+
+  echo Running jlink ...
+  ${JSDK}/bin/jlink \
+    --module-path $__modules_path --no-man-pages --compress=2 \
+    --add-modules $__modules --output $__bundle_name || do_exit $?
+
+  grep -v "^JAVA_VERSION" "$JSDK"/release | grep -v "^MODULES" >> $__bundle_name/release
+  if [ "$__bundle_name" == "$JBRSDK_BUNDLE" ]; then
+    sed 's/JBR/JBRSDK/g' $__bundle_name/release > release
+    mv release $__bundle_name/release
+  fi
+}
+
+WITH_DEBUG_LEVEL="--with-debug-level=release"
+RELEASE_NAME=windows-x86_64-server-release
+
+case "$bundle_type" in
+  "jcef")
+    do_reset_changes=1
+    ;;
+  "dcevm")
+    HEAD_REVISION=$(git rev-parse HEAD)
+    git am jb/project/tools/patches/dcevm/*.patch || do_exit $?
+    do_reset_dcevm=1
+    do_reset_changes=1
+    ;;
+  "nomod" | "")
+    bundle_type=""
+    ;;
+  "fd")
+    do_reset_changes=1
+    WITH_DEBUG_LEVEL="--with-debug-level=fastdebug"
+    RELEASE_NAME=windows-x86_64-server-fastdebug
+    ;;
+esac
+
+sh ./configure \
+  $WITH_DEBUG_LEVEL \
+  --with-vendor-name="$VENDOR_NAME" \
+  --with-vendor-version-string="$VENDOR_VERSION_STRING" \
+  --with-version-pre= \
+  --with-version-build=$JDK_BUILD_NUMBER \
+  --with-version-opt=b${build_number} \
+  --with-toolchain-version=$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 $?
+else
+  make LOG=info CONF=$RELEASE_NAME clean images || do_exit $?
+fi
+
+IMAGES_DIR=build/$RELEASE_NAME/images
+JSDK=$IMAGES_DIR/jdk
+JSDK_MODS_DIR=$IMAGES_DIR/jmods
+JBRSDK_BUNDLE=jbrsdk
+
+if [ "$bundle_type" == "jcef" ] || [ "$bundle_type" == "dcevm" ] || [ "$bundle_type" == "fd" ]; then
+  git apply -p0 < jb/project/tools/patches/add_jcef_module.patch || do_exit $?
+  update_jsdk_mods "$JSDK" "$JCEF_PATH"/jmods "$JSDK"/jmods "$JSDK_MODS_DIR" || do_exit $?
+  cp $JCEF_PATH/jmods/* ${JSDK_MODS_DIR} # $JSDK/jmods is not unchanged
+
+  jbr_name_postfix="_${bundle_type}"
+fi
+
+# create runtime image bundle
+modules=$(xargs < modules.list | sed s/" "//g) || do_exit $?
+create_image_bundle "jbr${jbr_name_postfix}" $JSDK_MODS_DIR "$modules" || do_exit $?
+
+# create sdk image bundle
+modules=$(cat ${JSDK}/release | grep MODULES | sed s/MODULES=//g | sed s/' '/,/g | sed s/\"//g | sed s/\\r//g | sed s/\\n//g)
+if [ "$bundle_type" == "jcef" ] || [ "$bundle_type" == "dcevm" ] || [ "$bundle_type" == "fd" ] || [ "$bundle_type" == "$JBRSDK_BUNDLE" ]; then
+  modules=${modules},$(get_mods_list "$JCEF_PATH"/jmods)
+fi
+create_image_bundle "$JBRSDK_BUNDLE" "$JSDK_MODS_DIR" "$modules" || do_exit $?
+
+do_exit 0

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

@@ -0,0 +1,62 @@
+#!/bin/bash -x
+
+# The following parameters must be specified:
+#   JBSDK_VERSION    - specifies the current version of OpenJDK e.g. 11_0_6
+#   JDK_BUILD_NUMBER - specifies the number of OpenJDK build or the value of --with-version-build argument to configure
+#   build_number     - specifies the number of JetBrainsRuntime build
+#
+# jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+# jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+#
+# $ ./java --version
+# openjdk 11.0.6 2020-01-14
+# OpenJDK Runtime Environment (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number})
+# OpenJDK 64-Bit Server VM (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number}, mixed mode)
+#
+
+JBSDK_VERSION=$1
+JDK_BUILD_NUMBER=$2
+build_number=$3
+
+JBSDK_VERSION_WITH_DOTS=$(echo $JBSDK_VERSION | sed 's/_/\./g')
+
+source jb/project/tools/common/scripts/common.sh
+
+JBRSDK_BASE_NAME=jbrsdk-${JBSDK_VERSION}
+WORK_DIR=$(pwd)
+
+[ -z "$bundle_type" ] && (git apply -p0 < jb/project/tools/patches/exclude_jcef_module.patch || exit $?)
+
+PATH="/usr/local/bin:/usr/bin:${PATH}"
+./configure \
+  --with-target-bits=32 \
+  --with-vendor-name="${VENDOR_NAME}" \
+  --with-vendor-version-string="${VENDOR_VERSION_STRING}" \
+  --with-version-pre= \
+  --with-version-build=${JDK_BUILD_NUMBER} \
+  --with-version-opt=b${build_number} \
+  --with-toolchain-version=${TOOLCHAIN_VERSION} \
+  --with-boot-jdk=${BOOT_JDK} \
+  --disable-ccache \
+  --enable-cds=yes || exit 1
+make clean CONF=windows-x86-server-release || exit 1
+make LOG=info images CONF=windows-x86-server-release test-image || exit 1
+
+JBSDK=${JBRSDK_BASE_NAME}-windows-x86-b${build_number}
+BASE_DIR=build/windows-x86-server-release/images
+JSDK=${BASE_DIR}/jdk
+JBRSDK_BUNDLE=jbrsdk
+
+rm -rf ${BASE_DIR}/${JBRSDK_BUNDLE} && rsync -a --exclude demo --exclude sample ${JSDK}/ ${JBRSDK_BUNDLE} || exit 1
+sed 's/JBR/JBRSDK/g' ${JSDK}/release > release
+mv release ${JBRSDK_BUNDLE}/release
+
+JBR_BUNDLE=jbr
+rm -rf ${JBR_BUNDLE}
+grep -v javafx modules.list | grep -v "jdk.internal.vm\|jdk.aot\|jcef" > modules.list.x86
+${JSDK}/bin/jlink \
+  --module-path ${JSDK}/jmods --no-man-pages --compress=2 \
+  --add-modules $(xargs < modules.list.x86 | sed s/" "//g) --output ${JBR_BUNDLE} || exit $?
+
+echo Modifying release info ...
+#grep -v \"^JAVA_VERSION\" ${JSDK}/release | grep -v \"^MODULES\" >> ${JBR_BUNDLE}/release

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

@@ -0,0 +1,77 @@
+#!/bin/bash -x
+
+# The following parameters must be specified:
+#   JBSDK_VERSION    - specifies major version of OpenJDK e.g. 11_0_6 (instead of dots '.' underbars "_" are used)
+#   JDK_BUILD_NUMBER - specifies udate release of OpenJDK build or the value of --with-version-build argument to configure
+#   build_number     - specifies the number of JetBrainsRuntime build
+#   bundle_type      - specifies bundle to be built; possible values:
+#                        <empty> or nomod - the bundles without any additional modules (jcef)
+#                        jcef - the bundles with jcef
+#                        fd - the fastdebug bundles which also include the jcef module
+#
+# jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+# jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+#
+# $ ./java --version
+# openjdk 11.0.6 2020-01-14
+# OpenJDK Runtime Environment (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number})
+# OpenJDK 64-Bit Server VM (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number}, mixed mode)
+#
+
+source jb/project/tools/common/scripts/common.sh
+
+JBSDK_VERSION=$1
+JDK_BUILD_NUMBER=$2
+build_number=$3
+bundle_type=$4
+
+function pack_jbr {
+
+  if [ -z "${bundle_type}" ]; then
+    JBR_BUNDLE=jbr
+  else
+    JBR_BUNDLE=jbr_${bundle_type}
+    [ -d ${BASE_DIR}/jbr ] && rm -rf ${BASE_DIR}/jbr
+    cp -R ${BASE_DIR}/${JBR_BUNDLE} ${BASE_DIR}/jbr
+  fi
+  JBR_BASE_NAME=${JBR_BUNDLE}-${JBSDK_VERSION}
+
+  JBR=$JBR_BASE_NAME-windows-x64-b$build_number
+  echo Creating $JBR.tar.gz ...
+
+  /usr/bin/tar -czf $JBR.tar.gz -C $BASE_DIR jbr || do_exit $?
+}
+
+JBRSDK_BASE_NAME=jbrsdk-$JBSDK_VERSION
+JBR_BASE_NAME=jbr-$JBSDK_VERSION
+RELEASE_NAME=windows-x86_64-server-release
+JBSDK=${JBRSDK_BASE_NAME}-osx-x64-b${build_number}
+case "$bundle_type" in
+  "nomod" | "")
+    bundle_type=""
+    ;;
+  "fd")
+    RELEASE_NAME=macosx-x86_64-server-fastdebug
+    JBSDK=${JBRSDK_BASE_NAME}-osx-x64-fastdebug-b${build_number}
+    ;;
+esac
+
+IMAGES_DIR=build/$RELEASE_NAME/images
+JSDK=$IMAGES_DIR/jdk
+JBSDK=$JBRSDK_BASE_NAME-windows-x64-b$build_number
+BASE_DIR=.
+
+if [ "$bundle_type" == "jcef" ] || [ "$bundle_type" == "dcevm" ] || [ "$bundle_type" == "fd" ]; then
+  JBRSDK_BUNDLE=jbrsdk
+  echo Creating $JBSDK.tar.gz ...
+  [ -f "$JBSDK.tar.gz" ] && rm "$JBSDK.tar.gz"
+  /usr/bin/tar -czf $JBSDK.tar.gz $JBRSDK_BUNDLE || do_exit $?
+fi
+
+pack_jbr $bundle_type
+
+if [ -z "$bundle_type" ]; then
+  JBRSDK_TEST=$JBRSDK_BASE_NAME-windows-test-x64-b$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

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

@@ -0,0 +1,42 @@
+#!/bin/bash -x
+
+# The following parameters must be specified:
+#   JBSDK_VERSION    - specifies the current version of OpenJDK e.g. 11_0_6
+#   JDK_BUILD_NUMBER - specifies the number of OpenJDK build or the value of --with-version-build argument to configure
+#   build_number     - specifies the number of JetBrainsRuntime build
+#
+# jbrsdk-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+# jbr-${JBSDK_VERSION}-osx-x64-b${build_number}.tar.gz
+#
+# $ ./java --version
+# openjdk 11.0.6 2020-01-14
+# OpenJDK Runtime Environment (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number})
+# OpenJDK 64-Bit Server VM (build 11.0.6+${JDK_BUILD_NUMBER}-b${build_number}, mixed mode)
+#
+
+JBSDK_VERSION=$1
+JDK_BUILD_NUMBER=$2
+build_number=$3
+
+JBRSDK_BASE_NAME=jbrsdk-$JBSDK_VERSION
+JBR_BASE_NAME=jbr-$JBSDK_VERSION
+
+IMAGES_DIR=build/windows-x86-server-release/images
+JSDK=$IMAGES_DIR/jdk
+JBSDK=$JBRSDK_BASE_NAME-windows-x86-b$build_number
+BASE_DIR=.
+
+JBRSDK_BUNDLE=jbrsdk
+echo Creating $JBSDK.tar.gz ...
+/usr/bin/tar -czf $JBSDK.tar.gz $JBRSDK_BUNDLE || exit 1
+
+JBR_BUNDLE=jbr
+JBR_BASE_NAME=jbr-${JBSDK_VERSION}
+
+JBR=$JBR_BASE_NAME-windows-x86-b$build_number
+echo Creating $JBR.tar.gz ...
+/usr/bin/tar -czf $JBR.tar.gz -C $BASE_DIR ${JBR_BUNDLE} || exit 1
+
+JBRSDK_TEST=$JBRSDK_BASE_NAME-windows-test-x86-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 || exit 1

modules.list

@@ -0,0 +1,51 @@
+java.base,
+java.compiler,
+java.datatransfer,
+java.desktop,
+java.instrument,
+java.logging,
+java.management,
+java.management.rmi,
+java.naming,
+java.net.http,
+java.prefs,
+java.rmi,
+java.scripting,
+java.se,
+java.security.jgss,
+java.security.sasl,
+java.smartcardio,
+java.sql,
+java.sql.rowset,
+java.transaction.xa,
+java.xml,
+java.xml.crypto,
+jdk.accessibility,
+jdk.attach,
+jdk.charsets,
+jdk.compiler,
+jdk.crypto.cryptoki,
+jdk.crypto.ec,
+jdk.dynalink,
+jdk.httpserver,
+jdk.internal.ed,
+jdk.internal.le,
+jdk.internal.vm.ci,
+jdk.jdi,
+jdk.jdwp.agent,
+jdk.jfr,
+jdk.jsobject,
+jdk.localedata,
+jdk.management,
+jdk.management.agent,
+jdk.management.jfr,
+jdk.naming.dns,
+jdk.naming.rmi,
+jdk.net,
+jdk.sctp,
+jdk.security.auth,
+jdk.security.jgss,
+jdk.unsupported,
+jdk.xml.dom,
+jdk.zipfs,
+jdk.hotspot.agent

test/hotspot/jtreg/jbProblemList.txt

@@ -0,0 +1,159 @@
+#
+# Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# 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.
+#
+
+#############################################################################
+#
+# List of quarantined tests -- tests that should not be run by default, because
+# they may fail due to known reason. The reason (CR#) must be mandatory specified.
+#
+# List items are testnames followed by labels, all MUST BE commented
+#   as to why they are here and use a label:
+#     generic-all   Problems on all platforms
+#     generic-ARCH  Where ARCH is one of: x64, i586, ppc64, ppc64le, s390x etc.
+#     OSNAME-all    Where OSNAME is one of: linux, windows, macosx, aix
+#     OSNAME-ARCH   Specific on to one OSNAME and ARCH, e.g. macosx-x64
+#     OSNAME-REV    Specific on to one OSNAME and REV, e.g. macosx-10.7.4
+#
+# More than one label is allowed but must be on the same line.
+#
+#############################################################################
+
+# :hotspot_compiler
+
+compiler/ciReplay/TestSAServer.java 8029528 generic-all
+compiler/codecache/jmx/PoolsIndependenceTest.java 8167015 generic-all
+compiler/compilercontrol/jcmd/ClearDirectivesFileStackTest.java 8225370 generic-all
+compiler/jvmci/compilerToVM/GetFlagValueTest.java 8204459 generic-all
+compiler/tiered/LevelTransitionTest.java 8067651 generic-all
+
+compiler/cpuflags/TestAESIntrinsicsOnSupportedConfig.java 8190680 generic-all
+
+compiler/runtime/Test8168712.java 8211769,8211771 generic-ppc64,generic-ppc64le,linux-s390x
+
+compiler/rtm/locking/TestRTMAbortRatio.java 8183263 generic-x64
+compiler/rtm/locking/TestRTMAbortThreshold.java 8183263 generic-x64
+compiler/rtm/locking/TestRTMAfterNonRTMDeopt.java 8183263 generic-x64
+compiler/rtm/locking/TestRTMDeoptOnHighAbortRatio.java 8183263 generic-x64
+compiler/rtm/locking/TestRTMDeoptOnLowAbortRatio.java 8183263 generic-x64
+compiler/rtm/locking/TestRTMLockingCalculationDelay.java 8183263 generic-x64
+compiler/rtm/locking/TestRTMLockingThreshold.java 8183263 generic-x64
+compiler/rtm/locking/TestRTMSpinLoopCount.java 8183263 generic-x64
+compiler/rtm/locking/TestUseRTMDeopt.java 8183263 generic-x64
+compiler/rtm/locking/TestUseRTMXendForLockBusy.java 8183263 generic-x64
+compiler/rtm/print/TestPrintPreciseRTMLockingStatistics.java 8183263 generic-x64
+
+compiler/c2/Test8004741.java 8235801 generic-all
+
+#############################################################################
+
+# :hotspot_gc
+
+gc/epsilon/TestMemoryMXBeans.java 8206434 generic-all
+gc/g1/humongousObjects/objectGraphTest/TestObjectGraphAfterGC.java 8156755 generic-all
+gc/g1/logging/TestG1LoggingFailure.java 8169634 generic-all
+gc/g1/humongousObjects/TestHeapCounters.java 8178918 generic-all
+gc/stress/gclocker/TestExcessGCLockerCollections.java 8229120 generic-all
+gc/stress/gclocker/TestGCLockerWithParallel.java 8180622 generic-all
+gc/stress/gclocker/TestGCLockerWithG1.java 8180622 generic-all
+gc/stress/TestJNIBlockFullGC/TestJNIBlockFullGC.java 8192647 generic-all
+gc/metaspace/CompressedClassSpaceSizeInJmapHeap.java 8241293 macosx-x64
+
+#############################################################################
+
+# :hotspot_runtime
+
+runtime/cds/appcds/jigsaw/modulepath/ModulePathAndCP_JFR.java 8253437 windows-x64
+runtime/cds/DeterministicDump.java 8253495 generic-all
+runtime/jni/terminatedThread/TestTerminatedThread.java 8219652 aix-ppc64
+runtime/ReservedStack/ReservedStackTest.java 8231031 generic-all
+containers/docker/TestJFRWithJMX.java 8256417 linux-5.4.17-2011.5.3.el8uek.x86_64
+
+#############################################################################
+
+# :hotspot_serviceability
+
+serviceability/sa/sadebugd/DebugdConnectTest.java 8239062 macosx-x64
+serviceability/sa/TestRevPtrsForInvokeDynamic.java 8241235 generic-all
+
+serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatIntervalTest.java 8214032 generic-all
+serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatArrayCorrectnessTest.java 8224150 generic-all
+serviceability/jvmti/ModuleAwareAgents/ThreadStart/MAAThreadStart.java 8225354 windows-all
+
+serviceability/attach/RemovingUnixDomainSocketTest.java 8248162 linux-x64
+
+#############################################################################
+
+# :hotspot_misc
+
+#############################################################################
+
+
+#############################################################################
+
+# :vmTestbase_*
+
+#############################################################################
+
+vmTestbase/nsk/monitoring/MemoryPoolMBean/isCollectionUsageThresholdExceeded/isexceeded003/TestDescription.java 8153598 generic-all
+vmTestbase/nsk/monitoring/MemoryPoolMBean/isUsageThresholdExceeded/isexceeded001/TestDescription.java 8198668 generic-all
+vmTestbase/nsk/monitoring/MemoryPoolMBean/isUsageThresholdExceeded/isexceeded002/TestDescription.java 8153598 generic-all
+vmTestbase/nsk/monitoring/MemoryPoolMBean/isUsageThresholdExceeded/isexceeded003/TestDescription.java 8198668 generic-all
+vmTestbase/nsk/monitoring/MemoryPoolMBean/isUsageThresholdExceeded/isexceeded004/TestDescription.java 8153598 generic-all
+vmTestbase/nsk/monitoring/MemoryPoolMBean/isUsageThresholdExceeded/isexceeded005/TestDescription.java 8153598 generic-all
+vmTestbase/nsk/monitoring/ThreadMXBean/ThreadInfo/Deadlock/JavaDeadlock001/TestDescription.java 8060733 generic-all
+
+vmTestbase/nsk/jdi/ThreadReference/stop/stop001/TestDescription.java 7034630 generic-all
+
+vmTestbase/nsk/jdb/eval/eval001/eval001.java 8221503 generic-all
+
+vmTestbase/metaspace/gc/firstGC_10m/TestDescription.java 8208250 generic-all
+vmTestbase/metaspace/gc/firstGC_50m/TestDescription.java 8208250 generic-all
+vmTestbase/metaspace/gc/firstGC_99m/TestDescription.java 8208250 generic-all
+vmTestbase/metaspace/gc/firstGC_default/TestDescription.java 8208250 generic-all
+
+vmTestbase/nsk/jvmti/AttachOnDemand/attach045/TestDescription.java 8202971 generic-all
+vmTestbase/nsk/jvmti/scenarios/jni_interception/JI05/ji05t001/TestDescription.java 8219652 aix-ppc64
+vmTestbase/nsk/jvmti/scenarios/jni_interception/JI06/ji06t001/TestDescription.java 8219652 aix-ppc64
+vmTestbase/nsk/jvmti/SetJNIFunctionTable/setjniftab001/TestDescription.java 8219652 aix-ppc64
+
+vmTestbase/gc/lock/jni/jnilock002/TestDescription.java 8192647 generic-all
+
+vmTestbase/jit/escape/LockCoarsening/LockCoarsening001.java 8148743 generic-all
+vmTestbase/jit/escape/LockCoarsening/LockCoarsening002.java 8208259 generic-all
+
+vmTestbase/vm/mlvm/indy/func/jvmti/redefineClassInBootstrap/TestDescription.java 8013267 generic-all
+vmTestbase/vm/mlvm/meth/func/java/throwException/Test.java 8058176 generic-all
+vmTestbase/vm/mlvm/meth/stress/compiler/deoptimize/Test.java#id1 8058176 generic-all
+vmTestbase/vm/mlvm/meth/stress/compiler/i2c_c2i/Test.java 8058176 generic-all
+vmTestbase/vm/mlvm/meth/stress/compiler/sequences/Test.java 8058176 generic-all
+vmTestbase/vm/mlvm/meth/stress/gc/callSequencesDuringGC/Test.java 8058176 generic-all
+vmTestbase/vm/mlvm/meth/stress/java/sequences/Test.java 8058176 generic-all
+vmTestbase/vm/mlvm/meth/stress/jdi/breakpointInCompiledCode/Test.java 8058176 generic-all
+vmTestbase/vm/mlvm/indy/func/jvmti/mergeCP_indy2none_a/TestDescription.java 8013267 generic-all
+vmTestbase/vm/mlvm/indy/func/jvmti/mergeCP_indy2manyDiff_b/TestDescription.java 8013267 generic-all
+vmTestbase/vm/mlvm/indy/func/jvmti/mergeCP_indy2manySame_b/TestDescription.java 8013267 generic-all
+
+
+vmTestbase/nsk/jdwp/ThreadReference/ForceEarlyReturn/forceEarlyReturn001/forceEarlyReturn001.java 7199837 generic-all
+
+#############################################################################

test/jdk/java/awt/Desktop/8064934/bug8064934.java

@@ -34,6 +34,7 @@
  */
 import jdk.test.lib.Platform;
 import java.awt.*;
+import java.awt.event.KeyEvent;
 import java.io.File;
 import java.io.IOException;
 import java.security.AccessController;
@@ -43,6 +44,8 @@ public class bug8064934 {
     private static final String NO_ASSOCIATION_ERROR_MESSAGE = "Error message: No application is associated with" +
             " the specified file for this operation.";
 
+    private static int SLEEP_TIME = 1000;
+
     public static void main(String[] args) {
         // This test is intended only for Windows
         if (!AccessController.doPrivileged((PrivilegedAction<Boolean>) Platform::isWindows)) {
@@ -70,6 +73,12 @@ public class bug8064934 {
                 throw new RuntimeException("Can not create temp file");
             }
             desktop.open(file);
+            try {
+                pressESC();
+            } catch (Exception ex) {
+                throw new RuntimeException(ex);
+            }
+
         } catch (IOException ioe) {
             String errorMessage = ioe.getMessage().trim();
             if (errorMessage != null && !errorMessage.endsWith(NO_ASSOCIATION_ERROR_MESSAGE)) {
@@ -85,4 +94,12 @@ public class bug8064934 {
 
         System.out.println("Test PASSED!");
     }
+
+    private static void pressESC() throws Exception {
+        Thread.sleep(SLEEP_TIME);
+
+        Robot robot = new Robot();
+        robot.keyPress(KeyEvent.VK_ESCAPE);
+        robot.keyRelease(KeyEvent.VK_ESCAPE);
+    }
 }

test/jdk/java/awt/event/KeyEvent/SwallowKeyEvents/SwallowKeyEvents.java

@@ -94,6 +94,9 @@ public class SwallowKeyEvents {
     }
 
     public static void test() {
+        r.keyPress(KeyEvent.VK_END);
+        r.keyRelease(KeyEvent.VK_END);
+
         r.keyPress(KeyEvent.VK_SHIFT);
         r.keyPress(KeyEvent.VK_META);
 

test/jdk/jbProblemList.txt

@@ -0,0 +1,892 @@
+###########################################################################
+#
+# Copyright (c) 2009, 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.
+#
+###########################################################################
+#
+# List of tests that should not be run by test/Makefile, for various reasons:
+#   1. Does not run with jtreg -samevm mode
+#   2. Causes problems in jtreg -samevm mode for jtreg or tests that follow it
+#   3. The test is too slow or consumes too many system resources
+#   4. The test fails when run on any official build systems
+#
+# It is possible that a test being on this list is a mistake, and that some
+#   other test in samevm mode caused tests to fail, mistakes happen.
+#
+# Tests marked @ignore are not run by test/Makefile, but harmless to be listed.
+#
+# Tests that explicitly state "@run main/othervm ...", and are not listed here,
+#   will be run in the same batch as the samevm tests.
+#
+# Shell tests are othervm by default.
+#
+# List items are testnames followed by labels, all MUST BE commented
+#   as to why they are here and use a label:
+#     generic-all   Problems on all platforms
+#     generic-ARCH  Where ARCH is one of: x64, i586, ppc64, ppc64le, s390x, aarch64 etc.
+#     OSNAME-all    Where OSNAME is one of: linux, windows, macosx, aix
+#     OSNAME-ARCH   Specific on to one OSNAME and ARCH, e.g. macosx-x64
+#     OSNAME-REV    Specific on to one OSNAME and REV, e.g. macosx-10.7.4
+#
+# More than one label is allowed but must be on the same line comma seperated,
+# without spaces.
+# If there are several lines mentioning the same test, the last one is used.
+#
+#############################################################################
+#
+# Running the tests:
+#    cd test && make JT_HOME=jtreg_home PRODUCT_HOME=jdk_home jdk_all
+#  Or instead of jdk_all, use any of the jdk_* targets.
+#
+# Samevm Notes:
+#  * Although some tests may have only been seen to fail on some platforms,
+#    they might be flagged as 'generic-all' because the problem they have
+#    could cause hidden slowdowns on other platforms.
+#    Most samevm problems will be generic-all, but windows usually dislikes
+#    them the most.
+#    Address already in use or connection errors indicate a generic port issue.
+#    (this is not necessarily a samevm issue, but an issue for running the tests
+#     on shared machines, two people or two test runs will collide).
+#  * Samevm problem (windows in particular) is not closing all input/output
+#  * Samevm problem when a test calls setSecurityManager()
+#  * Samevm problem with setHttps*() is used? (not exactly sure here)
+#  * Samevm problem when stuffing system properties with non Strings or anything
+#  * Samevm problem when changing vm settings, or registering any vm actions
+#  * Samevm problems with deleteOnExit(), if it must happen at end of test
+#  * Samevm problems with URLClassLoader? (no details here)
+#  * Samevm problems with dependence on predictable GC or finalizations
+#
+# Any of the above problems may mean the test needs to be flagged as "othervm".
+#
+#############################################################################
+#
+# Fixing the tests:
+#
+# Some tests just may need to be run with "othervm", and that can easily be
+#   done by adding a @run line (or modifying any existing @run):
+#      @run main/othervm NameOfMainClass
+#   Make sure this @run follows any use of @library.
+#   Otherwise, if the test is a samevm possibility, make sure the test is
+#     cleaning up after itself, closing all streams, deleting temp files, etc.
+#
+# Keep in mind that the bug could be in many places, and even different per
+#   platform, it could be a bug in any one of:
+#      - the testcase
+#      - the jdk (jdk classes, native code, or hotspot)
+#      - the native compiler
+#      - the javac compiler
+#      - the OS (depends on what the testcase does)
+#
+# If you managed to really fix one of these tests, here is how you can
+#    remove tests from this list:
+#  1. Make sure test passes on all platforms with samevm, or mark it othervm
+#  2. Make sure test passes on all platforms when run with it's entire group
+#  3. Make sure both VMs are tested, -server and -client, if possible
+#  4. Use your favorite build and test system to verify these results
+#  5. Delete lines in this file, include the changes with your test changes
+#
+# You may need to repeat your testing 2 or even 3 times to verify good
+#   results, some of these samevm failures are not very predictable.
+#
+#############################################################################
+
+############################################################################
+
+# jdk_awt
+
+java/awt/event/MouseEvent/MouseClickTest/MouseClickTest.java 8168389 windows-all,macosx-all
+java/awt/event/KeyEvent/SwallowKeyEvents/SwallowKeyEvents.java 8224055 macosx-all
+java/awt/Focus/ActualFocusedWindowTest/ActualFocusedWindowBlockingTest.java 8168408 windows-all,macosx-all
+java/awt/Focus/FocusOwnerFrameOnClick/FocusOwnerFrameOnClick.java 8081489 generic-all
+java/awt/Focus/IconifiedFrameFocusChangeTest/IconifiedFrameFocusChangeTest.java 6849364 generic-all
+java/awt/Focus/AutoRequestFocusTest/AutoRequestFocusToFrontTest.java 6848406 generic-all
+java/awt/Focus/AutoRequestFocusTest/AutoRequestFocusSetVisibleTest.java 6848407 generic-all
+java/awt/Focus/UnaccessibleChoice/AccessibleChoiceTest.java 8239801 macosx-all
+java/awt/Frame/MaximizedUndecorated/MaximizedUndecorated.java 8022302 generic-all
+java/awt/Frame/FrameLocation/FrameLocation.java 8233703 linux-all
+java/awt/FileDialog/FileDialogIconTest/FileDialogIconTest.java 8160558 windows-all
+java/awt/event/MouseWheelEvent/InfiniteRecursion/InfiniteRecursion.java 8060176 windows-all,macosx-all
+java/awt/event/MouseWheelEvent/InfiniteRecursion/InfiniteRecursion_1.java 8060176 windows-all,macosx-all
+java/awt/dnd/DropTargetEnterExitTest/MissedDragExitTest.java 8159694 linux-all
+java/awt/dnd/MissingEventsOnModalDialog/MissingEventsOnModalDialogTest.java 8164464 linux-all,macosx-all
+java/awt/dnd/URIListBetweenJVMsTest/URIListBetweenJVMsTest.java 8171510 macosx-all
+javax/swing/dnd/7171812/bug7171812.java 8041447 macosx-all
+java/awt/Focus/ChoiceFocus/ChoiceFocus.java 8169103 windows-all,macosx-all
+java/awt/Focus/ClearLwQueueBreakTest/ClearLwQueueBreakTest.java 8198618 macosx-all
+java/awt/Focus/ConsumeNextKeyTypedOnModalShowTest/ConsumeNextKeyTypedOnModalShowTest.java 6986252 macosx-all
+java/awt/Focus/FocusTraversalPolicy/ButtonGroupLayoutTraversal/ButtonGroupLayoutTraversalTest.java 8198619 macosx-all
+java/awt/Focus/KeyEventForBadFocusOwnerTest/KeyEventForBadFocusOwnerTest.java 8198621 macosx-all
+java/awt/Focus/MouseClickRequestFocusRaceTest/MouseClickRequestFocusRaceTest.java 8194753 linux-all,macosx-all
+java/awt/Focus/NoAutotransferToDisabledCompTest/NoAutotransferToDisabledCompTest.java 7152980 macosx-all
+java/awt/Focus/SimpleWindowActivationTest/SimpleWindowActivationTest.java 8159599 macosx-all
+java/awt/Focus/TypeAhead/TestFocusFreeze.java 8198622,6447537 macosx-all,windows-all,linux-all
+java/awt/Focus/ToFrontFocusTest/ToFrontFocus.java 7156130 linux-all
+java/awt/Focus/WrongKeyTypedConsumedTest/WrongKeyTypedConsumedTest.java 8169096 macosx-all
+java/awt/event/KeyEvent/CorrectTime/CorrectTime.java 6626492 generic-all
+java/awt/EventQueue/6980209/bug6980209.java 8198615 macosx-all
+java/awt/Frame/ExceptionOnSetExtendedStateTest/ExceptionOnSetExtendedStateTest.java 8198237 macosx-all
+java/awt/Frame/ShapeNotSetSometimes/ShapeNotSetSometimes.java 8144030 macosx-all,linux-all
+java/awt/grab/EmbeddedFrameTest1/EmbeddedFrameTest1.java 7080150 macosx-all
+java/awt/event/InputEvent/EventWhenTest/EventWhenTest.java 8168646 generic-all
+java/awt/KeyboardFocusmanager/TypeAhead/TestDialogTypeAhead.java 8198626 macosx-all
+java/awt/Mixing/AWT_Mixing/HierarchyBoundsListenerMixingTest.java 8049405 macosx-all
+java/awt/Mixing/AWT_Mixing/OpaqueOverlappingChoice.java 8048171 generic-all
+java/awt/Mixing/AWT_Mixing/JMenuBarOverlapping.java 8159451 linux-all,windows-all,macosx-all
+java/awt/Mixing/AWT_Mixing/JSplitPaneOverlapping.java 6986109 generic-all
+java/awt/Mixing/AWT_Mixing/JInternalFrameMoveOverlapping.java 6986109 windows-all
+java/awt/Mixing/AWT_Mixing/MixingPanelsResizing.java 8049405 generic-all
+java/awt/Mixing/AWT_Mixing/JComboBoxOverlapping.java 8049405 macosx-all
+java/awt/Mixing/AWT_Mixing/JPopupMenuOverlapping.java 8049405 macosx-all
+java/awt/Mixing/AWT_Mixing/JButtonInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JButtonOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JColorChooserOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JEditorPaneInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JEditorPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JLabelInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JLabelOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JListInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JListOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JPanelInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JPanelOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JProgressBarInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JProgressBarOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JScrollBarInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JScrollBarOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JSliderInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JSliderOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JSpinnerInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JSpinnerOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JTableInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JTableOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JTextAreaInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JTextAreaOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JTextFieldInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JTextFieldOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JToggleButtonInGlassPaneOverlapping.java 8158801 windows-all
+java/awt/Mixing/AWT_Mixing/JToggleButtonOverlapping.java 8158801 windows-all
+java/awt/Mixing/MixingOnDialog.java 8225777 linux-all
+java/awt/Mixing/NonOpaqueInternalFrame.java 7124549 macosx-all
+java/awt/Mouse/GetMousePositionTest/GetMousePositionWithOverlay.java 8168388 linux-all
+java/awt/Focus/ActualFocusedWindowTest/ActualFocusedWindowRetaining.java 6829264 generic-all
+java/awt/datatransfer/DragImage/MultiResolutionDragImageTest.java 8080982 generic-all
+java/awt/datatransfer/SystemFlavorMap/AddFlavorTest.java 8079268 linux-all
+java/awt/Toolkit/ScreenInsetsTest/ScreenInsetsTest.java 6829250 windows-all
+java/awt/Toolkit/RealSync/Test.java 6849383 linux-all
+java/awt/LightweightComponent/LightweightEventTest/LightweightEventTest.java 8159252 windows-all
+java/awt/EventDispatchThread/HandleExceptionOnEDT/HandleExceptionOnEDT.java 8203047 macosx-all
+java/awt/EventDispatchThread/LoopRobustness/LoopRobustness.java 8073636 macosx-all
+java/awt/FullScreen/FullScreenInsets/FullScreenInsets.java 7019055 windows-all,linux-all
+java/awt/Focus/8013611/JDK8013611.java 8175366 windows-all,macosx-all
+java/awt/Focus/6378278/InputVerifierTest.java 8198616 macosx-all
+java/awt/Focus/6382144/EndlessLoopTest.java 8198617 macosx-all
+java/awt/Focus/6981400/Test1.java 8029675 windows-all,macosx-all
+java/awt/Focus/8073453/AWTFocusTransitionTest.java 8136517 macosx-all
+java/awt/Focus/8073453/SwingFocusTransitionTest.java 8136517 macosx-all
+java/awt/Focus/6981400/Test3.java 8173264 generic-all
+java/awt/event/KeyEvent/ExtendedKeyCode/ExtendedKeyCodeTest.java 8169476 windows-all,macosx-all
+java/awt/event/KeyEvent/KeyChar/KeyCharTest.java 8169474,8224055 macosx-all,windows-all
+java/awt/event/MouseEvent/SpuriousExitEnter/SpuriousExitEnter_3.java 6854300 generic-all
+java/awt/event/KeyEvent/ExtendedModifiersTest/ExtendedModifiersTest.java 8129778 generic-all
+java/awt/event/KeyEvent/KeyMaskTest/KeyMaskTest.java 8129778 generic-all
+java/awt/event/KeyEvent/KeyTyped/CtrlASCII.java 8252713 linux-all
+java/awt/event/MouseEvent/MouseButtonsAndKeyMasksTest/MouseButtonsAndKeyMasksTest.java 8129778 generic-all
+
+java/awt/dnd/URIListToFileListBetweenJVMsTest/URIListToFileListBetweenJVMsTest.java 8194947 generic-all
+java/awt/Frame/FramesGC/FramesGC.java 8079069 macosx-all
+java/awt/FullScreen/AltTabCrashTest/AltTabCrashTest.java 8047218 generic-all
+java/awt/GridLayout/LayoutExtraGaps/LayoutExtraGaps.java 8000171 windows-all
+java/awt/Mouse/GetMousePositionTest/GetMousePositionWithPopup.java 8196017 windows-all
+java/awt/Scrollbar/ScrollbarMouseWheelTest/ScrollbarMouseWheelTest.java 8196018 windows-all,linux-all
+java/awt/TrayIcon/ActionCommand/ActionCommand.java 8150540 windows-all
+java/awt/TrayIcon/ActionEventMask/ActionEventMask.java 8150540 windows-all
+java/awt/TrayIcon/ActionEventTest/ActionEventTest.java 8150540,8242801 windows-all,macosx-all
+java/awt/TrayIcon/ModalityTest/ModalityTest.java 8150540 windows-all,macosx-all
+java/awt/TrayIcon/MouseEventMask/MouseEventMaskTest.java 8150540 windows-all
+java/awt/TrayIcon/MouseMovedTest/MouseMovedTest.java 8150540 windows-all
+java/awt/TrayIcon/SecurityCheck/FunctionalityCheck/FunctionalityCheck.java 8150540 windows-all
+java/awt/TrayIcon/SystemTrayInstance/SystemTrayInstanceTest.java 8193543 linux-all
+java/awt/TrayIcon/TrayIconEventModifiers/TrayIconEventModifiersTest.java 8150540 windows-all
+java/awt/TrayIcon/TrayIconEvents/TrayIconEventsTest.java 8150540 windows-all
+java/awt/TrayIcon/TrayIconMouseTest/TrayIconMouseTest.java 8150540 windows-all
+java/awt/TrayIcon/TrayIconPopup/TrayIconPopupClickTest.java 8150540 windows-all,macosx-all
+java/awt/TrayIcon/TrayIconPopup/TrayIconPopupTest.java 8150540 windows-all
+java/awt/TrayIcon/PopupMenuLeakTest/PopupMenuLeakTest.java 8196440 linux-all
+
+java/awt/Window/ShapedAndTranslucentWindows/SetShapeAndClick.java 8197936 macosx-all
+java/awt/Window/ShapedAndTranslucentWindows/SetShapeDynamicallyAndClick.java 8013450 macosx-all
+java/awt/Window/ShapedAndTranslucentWindows/ShapedTranslucentWindowClick.java 8013450 macosx-all
+java/awt/Window/ShapedAndTranslucentWindows/TranslucentChoice.java 8221901 linux-all
+java/awt/Window/MultiWindowApp/ChildAlwaysOnTopTest.java 8222323 windows-all
+java/awt/Window/ShapedAndTranslucentWindows/FocusAWTTest.java 8222328 windows-all,linux-all,macosx-all
+java/awt/Window/ShapedAndTranslucentWindows/Shaped.java  8222328 windows-all,linux-all,macosx-all
+java/awt/Window/ShapedAndTranslucentWindows/ShapedByAPI.java 8222328 windows-all,linux-all,macosx-all
+java/awt/Window/ShapedAndTranslucentWindows/ShapedTranslucent.java 8222328 windows-all,linux-all,macosx-all
+java/awt/Window/ShapedAndTranslucentWindows/StaticallyShaped.java 8165218,8222328 windows-all,macosx-all,linux-all
+java/awt/Window/ShapedAndTranslucentWindows/Translucent.java 8222328 windows-all,linux-all,macosx-all
+java/awt/Window/AlwaysOnTop/AutoTestOnTop.java 6847593 linux-all
+java/awt/Window/GrabSequence/GrabSequence.java 6848409 macosx-all,linux-all
+java/awt/Window/LocationAtScreenCorner/LocationAtScreenCorner.java 8203371 linux-all
+java/awt/font/TextLayout/CombiningPerf.java 8192931 generic-all
+java/awt/font/TextLayout/TextLayoutBounds.java 8169188 generic-all
+java/awt/font/StyledMetrics/BoldSpace.java 8198422 linux-all
+java/awt/FontMetrics/FontCrash.java 8198336 windows-all
+java/awt/image/BufferedImage/ICMColorDataTest/ICMColorDataTest.java 8233028 generic-all
+java/awt/image/DrawImage/IncorrectAlphaSurface2SW.java 8056077 linux-all
+java/awt/image/DrawImage/BlitRotateClippedArea.java 8255724 linux-all
+java/awt/image/multiresolution/MultiresolutionIconTest.java 8169187 macosx-all,windows-all
+java/awt/print/Headless/HeadlessPrinterJob.java 8196088 windows-all
+sun/awt/datatransfer/SuplementaryCharactersTransferTest.java 8011371 generic-all
+sun/awt/shell/ShellFolderMemoryLeak.java 8197794 windows-all
+sun/java2d/DirectX/OnScreenRenderingResizeTest/OnScreenRenderingResizeTest.java 8022403 generic-all
+sun/java2d/DirectX/OverriddenInsetsTest/OverriddenInsetsTest.java 8196102 generic-all
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+
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+java/awt/event/MouseEvent/RobotLWTest/RobotLWTest.java 8233568 macosx-all
+java/awt/event/MouseEvent/MultipleMouseButtonsTest/MultipleMouseButtonsTest.java 8233568 macosx-all
+java/awt/event/MouseEvent/ClickDuringKeypress/ClickDuringKeypress.java 8233568 macosx-all
+java/awt/event/KeyEvent/DeadKey/DeadKeyMacOSXInputText.java 8233568 macosx-all
+java/awt/event/KeyEvent/DeadKey/deadKeyMacOSX.java 8233568 macosx-all
+com/apple/eawt/DefaultMenuBar/DefaultMenuBarTest.java 8233648 macosx-all
+java/awt/Choice/ChoiceKeyEventReaction/ChoiceKeyEventReaction.java 7185258 macosx-all
+java/awt/TrayIcon/RightClickWhenBalloonDisplayed/RightClickWhenBalloonDisplayed.java 8238720 windows-all
+java/awt/PopupMenu/PopupMenuLocation.java 8238720 windows-all
+java/awt/GridLayout/ComponentPreferredSize/ComponentPreferredSize.java 8238720 windows-all
+java/awt/GridLayout/ChangeGridSize/ChangeGridSize.java   8238720 windows-all
+java/awt/event/MouseEvent/FrameMouseEventAbsoluteCoordsTest/FrameMouseEventAbsoluteCoordsTest.java
+
+
+############################################################################
+
+# jdk_beans
+
+java/beans/Introspector/8132566/OverridePropertyInfoTest.java   8132565 generic-all
+java/beans/Introspector/8132566/OverrideUserDefPropertyInfoTest.java 8132565 generic-all
+
+java/beans/XMLEncoder/Test6570354.java 8015593 macosx-all
+
+############################################################################
+
+# jdk_foreign
+
+java/foreign/TestMismatch.java 8249684 macosx-all
+
+############################################################################
+
+# jdk_lang
+
+java/lang/StringCoding/CheckEncodings.sh                        7008363 generic-all
+java/lang/ProcessHandle/InfoTest.java                           8211847 aix-ppc64
+java/lang/invoke/LFCaching/LFMultiThreadCachingTest.java        8151492 generic-all
+java/lang/invoke/LFCaching/LFGarbageCollectedTest.java          8078602 generic-all
+java/lang/invoke/lambda/LambdaFileEncodingSerialization.java    8249079 linux-x64
+
+############################################################################
+
+# jdk_instrument
+
+java/lang/instrument/RedefineBigClass.sh                        8065756 generic-all
+java/lang/instrument/RetransformBigClass.sh                     8065756 generic-all
+
+java/lang/management/MemoryMXBean/Pending.java                  8158837 generic-all
+java/lang/management/MemoryMXBean/PendingAllGC.sh               8158837 generic-all
+
+javax/management/monitor/DerivedGaugeMonitorTest.java         8042211 generic-all
+
+############################################################################
+
+# jdk_io
+
+java/io/pathNames/GeneralWin32.java                             8180264 windows-all
+
+############################################################################
+
+# jdk_management
+
+com/sun/management/OperatingSystemMXBean/GetProcessCpuLoad.java 8030957 aix-all
+com/sun/management/OperatingSystemMXBean/GetSystemCpuLoad.java  8030957 aix-all
+
+java/lang/management/ThreadMXBean/ThreadMXBeanStateTest.java    8247426 generic-all
+
+sun/management/jdp/JdpDefaultsTest.java                         8241865 macosx-all
+sun/management/jdp/JdpJmxRemoteDynamicPortTest.java             8241865 macosx-all
+sun/management/jdp/JdpSpecificAddressTest.java                  8241865 macosx-all
+
+############################################################################
+
+# jdk_jmx
+
+javax/management/MBeanServer/OldMBeanServerTest.java            8030957 aix-all
+
+javax/management/remote/mandatory/notif/NotifReconnectDeadlockTest.java 8042215 generic-all
+
+############################################################################
+
+# jdk_net
+
+java/net/MulticastSocket/NoLoopbackPackets.java                 7122846 macosx-all
+java/net/MulticastSocket/SetLoopbackMode.java                   7122846 macosx-all
+
+java/net/MulticastSocket/Test.java                              7145658 macosx-all
+
+java/net/MulticastSocket/SetGetNetworkInterfaceTest.java        8219083 windows-all
+
+java/net/ServerSocket/AcceptInheritHandle.java                  8211854 aix-ppc64
+
+############################################################################
+
+# jdk_nio
+
+java/nio/channels/DatagramChannel/Unref.java                    8233519 generic-all
+
+java/nio/channels/AsynchronousSocketChannel/StressLoopback.java 8211851 aix-ppc64
+
+java/nio/channels/Selector/Wakeup.java                          6963118 windows-all
+
+############################################################################
+
+# jdk_rmi
+
+java/rmi/server/Unreferenced/finiteGCLatency/FiniteGCLatency.java 7140992 generic-all
+
+java/rmi/transport/rapidExportUnexport/RapidExportUnexport.java 7146541 linux-all
+
+java/rmi/transport/checkLeaseInfoLeak/CheckLeaseLeak.java       7191877 generic-all
+
+java/rmi/activation/Activatable/extLoadedImpl/ext.sh            8062724 generic-all
+
+java/rmi/activation/ActivationGroup/downloadActivationGroup/DownloadActivationGroup.java 8169569 windows-all
+
+java/rmi/activation/rmidViaInheritedChannel/InheritedChannelNotServerSocket.java 8170562 generic-all
+
+java/rmi/registry/readTest/CodebaseTest.java                    8173324 windows-all
+
+java/rmi/Naming/DefaultRegistryPort.java                        8005619 windows-all
+java/rmi/Naming/legalRegistryNames/LegalRegistryNames.java      8005619 windows-all
+
+############################################################################
+
+# jdk_sctp
+
+com/sun/nio/sctp/SctpMultiChannel/SendFailed.java               8141694 linux-all
+
+com/sun/nio/sctp/SctpMultiChannel/SocketOptionTests.java        8141694 linux-all
+
+com/sun/nio/sctp/SctpChannel/SocketOptionTests.java             8141694 linux-all
+
+############################################################################
+
+# jdk_security
+
+sun/security/pkcs11/sslecc/ClientJSSEServerJSSE.java            8161536 generic-all
+
+sun/security/tools/keytool/ListKeychainStore.sh                 8156889 macosx-all
+
+sun/security/tools/jarsigner/warnings/BadKeyUsageTest.java      8026393 generic-all
+
+javax/net/ssl/ServerName/SSLEngineExplorerMatchedSNI.java       8212096 generic-all
+javax/net/ssl/DTLS/CipherSuite.java                             8202059 macosx-x64
+
+sun/security/provider/KeyStore/DKSTest.sh                       8180266 windows-all
+
+sun/security/pkcs11/KeyStore/SecretKeysBasic.sh                 8209398 generic-all
+
+security/infra/java/security/cert/CertPathValidator/certification/ActalisCA.java  8224768 generic-all
+
+sun/security/smartcardio/TestChannel.java                       8039280 generic-all
+sun/security/smartcardio/TestConnect.java                       8039280 generic-all
+sun/security/smartcardio/TestConnectAgain.java                  8039280 generic-all
+sun/security/smartcardio/TestControl.java                       8039280 generic-all
+sun/security/smartcardio/TestDefault.java                       8039280 generic-all
+sun/security/smartcardio/TestDirect.java                        8039280 generic-all
+sun/security/smartcardio/TestExclusive.java                     8039280 generic-all
+sun/security/smartcardio/TestMultiplePresent.java               8039280 generic-all
+sun/security/smartcardio/TestPresent.java                       8039280 generic-all
+sun/security/smartcardio/TestTransmit.java                      8039280 generic-all
+com/sun/crypto/provider/Cipher/DES/PerformanceTest.java         8039280 generic-all
+com/sun/security/auth/callback/TextCallbackHandler/Default.java 8039280 generic-all
+com/sun/security/auth/callback/TextCallbackHandler/Password.java 8039280 generic-all
+com/sun/security/sasl/gsskerb/AuthOnly.java                     8039280 generic-all
+com/sun/security/sasl/gsskerb/ConfSecurityLayer.java            8039280 generic-all
+com/sun/security/sasl/gsskerb/NoSecurityLayer.java              8039280 generic-all
+javax/security/auth/kerberos/KerberosHashEqualsTest.java        8039280 generic-all
+javax/security/auth/kerberos/KerberosTixDateTest.java           8039280 generic-all
+sun/security/provider/PolicyFile/GrantAllPermToExtWhenNoPolicy.java 8039280 generic-all
+sun/security/provider/PolicyParser/ExtDirsChange.java           8039280 generic-all
+sun/security/provider/PolicyParser/PrincipalExpansionError.java 8039280 generic-all
+
+############################################################################
+
+# jdk_sound
+javax/sound/sampled/DirectAudio/bug6372428.java                      8055097 generic-all
+javax/sound/sampled/Clip/bug5070081.java                             8055097 generic-all
+javax/sound/sampled/DataLine/LongFramePosition.java                  8055097 generic-all
+
+javax/sound/sampled/Clip/Drain/ClipDrain.java          7062792 generic-all
+
+javax/sound/sampled/Mixers/DisabledAssertionCrash.java 7067310 generic-all
+
+javax/sound/midi/Sequencer/Recording.java 8167580 linux-all
+javax/sound/midi/Sequencer/MetaCallback.java 8178698 linux-all
+
+############################################################################
+
+# jdk_imageio
+
+############################################################################
+
+# jdk_swing
+
+javax/swing/plaf/basic/BasicTextUI/8001470/bug8001470.java 8233177 linux-all,windows-all
+
+javax/swing/border/TestTitledBorderLeak.java 8213531 linux-all
+javax/swing/JComponent/6683775/bug6683775.java 8172337 generic-all
+javax/swing/JWindow/ShapedAndTranslucentWindows/ShapedTranslucentPerPixelTranslucentGradient.java 8233582 linux-all
+javax/swing/JWindow/ShapedAndTranslucentWindows/ShapedPerPixelTranslucentGradient.java 8233582 linux-all
+javax/swing/JWindow/ShapedAndTranslucentWindows/PerPixelTranslucentSwing.java 8194128 macosx-all
+javax/swing/JWindow/ShapedAndTranslucentWindows/SetShapeAndClickSwing.java 8013450 macosx-all
+javax/swing/JWindow/ShapedAndTranslucentWindows/TranslucentJComboBox.java 8024627 macosx-all
+# The next test below is an intermittent failure
+javax/swing/JComboBox/8033069/bug8033069ScrollBar.java 8163367 generic-all
+javax/swing/JTree/DnD/LastNodeLowerHalfDrop.java 8159131 linux-all
+javax/swing/JTree/4633594/JTreeFocusTest.java 8173125 macosx-all
+javax/swing/AbstractButton/6711682/bug6711682.java 8060765 windows-all,macosx-all
+javax/swing/JFileChooser/4524490/bug4524490.java 8042380 generic-all
+javax/swing/JFileChooser/6396844/TwentyThousandTest.java 8198003 generic-all
+javax/swing/JPopupMenu/6580930/bug6580930.java 7124313 macosx-all
+javax/swing/JPopupMenu/6800513/bug6800513.java 7184956 macosx-all
+javax/swing/JTabbedPane/8007563/Test8007563.java 8051591 generic-all
+javax/swing/JTabbedPane/4624207/bug4624207.java 8064922 macosx-all
+javax/swing/SwingUtilities/TestBadBreak/TestBadBreak.java 8160720 generic-all
+javax/swing/text/DefaultCaret/HidingSelection/HidingSelectionTest.java 8194048 windows-all
+javax/swing/text/DefaultCaret/HidingSelection/MultiSelectionTest.java 8213562 linux-all
+javax/swing/JFileChooser/6798062/bug6798062.java 8146446 windows-all
+javax/swing/JComboBox/8182031/ComboPopupTest.java 8196465 linux-all,macosx-all
+javax/swing/JFileChooser/6738668/bug6738668.java 8194946 generic-all
+javax/swing/JInternalFrame/Test6325652.java 8224977 macosx-all
+javax/swing/JPopupMenu/4870644/bug4870644.java 8194130 macosx-all,linux-all
+javax/swing/PopupFactory/6276087/NonOpaquePopupMenuTest.java 8065099,8208565 macosx-all,linux-all
+javax/swing/UIDefaults/6302464/bug6302464.java 8199079 macosx-all
+javax/swing/dnd/8139050/NativeErrorsInTableDnD.java 8202765  macosx-all,linux-all
+javax/swing/Popup/TaskbarPositionTest.java 8065097 macosx-all,linux-all
+javax/swing/JEditorPane/6917744/bug6917744.java 8213124 macosx-all
+javax/swing/JRootPane/4670486/bug4670486.java 8042381 macosx-all
+javax/swing/JPopupMenu/4634626/bug4634626.java 8017175 macosx-all
+
+sanity/client/SwingSet/src/ToolTipDemoTest.java 8225012 windows-all,macosx-all
+sanity/client/SwingSet/src/ScrollPaneDemoTest.java 8225013 linux-all
+
+############################################################################
+
+# jdk_text
+
+############################################################################
+
+# jdk_time
+
+
+############################################################################
+
+# core_tools
+
+tools/jlink/JLinkReproducibleTest.java                          8217166 windows-all,linux-aarch64
+tools/jlink/JLinkReproducible3Test.java                         8253688 linux-aarch64
+tools/jlink/plugins/CompressorPluginTest.java                   8247407 generic-all
+
+############################################################################
+
+# jdk_jdi
+
+com/sun/jdi/RepStep.java                                        8043571 generic-all
+
+com/sun/jdi/NashornPopFrameTest.java                            8225620 generic-all
+
+com/sun/jdi/InvokeHangTest.java                                 8218463 linux-all
+
+com/sun/jdi/AfterThreadDeathTest.java                           8232839 linux-x64
+
+############################################################################
+
+# jdk_time
+
+############################################################################
+
+# jdk_util
+
+############################################################################
+
+# jdk_instrument
+
+############################################################################
+
+# svc_tools
+
+sun/tools/jhsdb/BasicLauncherTest.java                          8211767 linux-ppc64,linux-ppc64le
+
+sun/tools/jstatd/TestJstatdDefaults.java                        8081569,8226420 windows-all
+sun/tools/jstatd/TestJstatdRmiPort.java                         8226420,8251259 windows-all
+sun/tools/jstatd/TestJstatdServer.java                          8081569,8226420 windows-all
+
+
+############################################################################
+
+# jdk_other
+
+javax/rmi/ssl/SSLSocketParametersTest.sh                        8162906 generic-all
+
+javax/script/Test7.java                                         8239361 generic-all
+
+############################################################################
+
+# jdk_jfr
+
+jdk/jfr/event/runtime/TestNetworkUtilizationEvent.java          8228990,8229370    generic-all
+jdk/jfr/event/compiler/TestCodeSweeper.java                     8225209    generic-all
+jdk/jfr/event/os/TestThreadContextSwitches.java                 8247776 windows-all
+jdk/jfr/startupargs/TestStartName.java                          8214685 windows-x64
+jdk/jfr/startupargs/TestStartDuration.java                      8214685 windows-x64
+
+############################################################################
+
+# jdk_internal
+
+############################################################################
+
+# jdk_jpackage
+
+tools/jpackage/share/jdk/jpackage/tests/ModulePathTest3.java#id0    8248418 generic-all
+
+############################################################################
+
+# Client manual tests
+
+java/awt/event/MouseEvent/SpuriousExitEnter/SpuriousExitEnter_1.java 7131438,8022539 generic-all
+java/awt/event/MouseEvent/SpuriousExitEnter/SpuriousExitEnter_2.java 7131438,8022539 generic-all
+java/awt/Modal/WsDisabledStyle/CloseBlocker/CloseBlocker.java 7187741 linux-all,macosx-all
+java/awt/xembed/server/TestXEmbedServerJava.java 8001150,8004031 generic-all
+javax/swing/JFileChooser/6698013/bug6698013.java 8024419 macosx-all
+javax/swing/JColorChooser/8065098/bug8065098.java 8065647 macosx-all
+java/awt/Modal/PrintDialogsTest/PrintDialogsTest.java 8068378 generic-all
+java/awt/dnd/DnDFileGroupDescriptor/DnDFileGroupDescriptor.html 8080185 macosx-all,linux-all
+javax/swing/JTabbedPane/4666224/bug4666224.html 8144124  macosx-all
+java/awt/event/MouseEvent/AltGraphModifierTest/AltGraphModifierTest.java 8162380 generic-all
+java/awt/Window/TranslucentJAppletTest/TranslucentJAppletTest.java 8163086 macosx-all
+java/awt/image/multiresolution/MultiResolutionIcon/IconTest.java 8250804 macosx-all,linux-all
+java/awt/image/VolatileImage/VolatileImageConfigurationTest.java 8171069 macosx-all,linux-all
+java/awt/Modal/InvisibleParentTest/InvisibleParentTest.java 8172245 linux-all
+java/awt/print/Dialog/RestoreActiveWindowTest/RestoreActiveWindowTest.java 8185429 macosx-all
+java/awt/TrayIcon/DblClickActionEventTest/DblClickActionEventTest.html 8203867 macosx-all
+java/awt/Frame/FrameStateTest/FrameStateTest.html 8203920 macosx-all,linux-all
+javax/swing/SwingUtilities/TestTextPosInPrint.java 8227025 windows-all
+java/awt/print/PrinterJob/ScaledText/ScaledText.java 8231226 macosx-all
+java/awt/font/TextLayout/TestJustification.html 8250791 macosx-all
+javax/swing/JTabbedPane/4209065/bug4209065.java 8251177 macosx-all
+java/awt/TrayIcon/DragEventSource/DragEventSource.java 8252242 macosx-all
+java/awt/FileDialog/DefaultFocusOwner/DefaultFocusOwner.java 7187728 macosx-all,linux-all
+java/awt/FileDialog/RegexpFilterTest/RegexpFilterTest.html 7187728 macosx-all,linux-all
+java/awt/print/PageFormat/Orient.java 8016055 macosx-all
+java/awt/TextArea/TextAreaCursorTest/HoveringAndDraggingTest.java 8024986 macosx-all,linux-all
+java/awt/event/MouseEvent/SpuriousExitEnter/SpuriousExitEnter.java 8254841 macosx-all
+java/awt/Focus/AppletInitialFocusTest/AppletInitialFocusTest1.java 8256289 windows-x64
+java/awt/FullScreen/TranslucentWindow/TranslucentWindow.java 8258103 linux-all
+
+
+############################################################################
+
+# no printer found
+java/awt/print/PrinterJob/ExceptionTest.java                                        generic-all
+java/awt/print/PrinterJob/ImagePrinting/NullClipARGB.java                           generic-all
+java/awt/print/PrinterJob/PrintCrashTest.java                                       generic-all
+java/awt/print/PrinterJob/PrtException.java                                         generic-all
+javax/print/attribute/ChromaticityValues.java                                       generic-all
+javax/print/CheckDupFlavor.java                                                     generic-all
+javax/print/PrintSE/PrintSE.sh                                                      generic-all
+javax/print/PrintSEUmlauts/PrintSEUmlauts.java                                      8135174 generic-all
+javax/print/PrintServiceLookup/CountPrintServices.java                              generic-all
+javax/print/attribute/AttributeTest.java                                            generic-all
+javax/print/attribute/GetCopiesSupported.java                                       generic-all
+javax/print/attribute/SidesPageRangesTest.java                                      generic-all
+javax/print/attribute/SupportedPrintableAreas.java                                  generic-all