Merge branch 'dragonwell-project:master' into printConstraintFuncs

Author: ziyilin

.github/actions/build-serverless-adapter/action.yml renamed to .github/actions/build-additional-components/action.yml

@@ -19,7 +19,7 @@
 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 
-name: 'Build serverless-adapter'
+name: 'Build additional components'
 description: 'Build it using built JDK'
 inputs:
   platform:
@@ -91,6 +91,45 @@ runs:
         cp -f serverless-adapter/output/libloadclassagent.so ${{ steps.bundle_decompress.outputs.java_home }}/lib/serverless/libloadclassagent.so
       shell: bash
 
+    - name: 'Get latest criu release'
+      id: get_criu_release
+      uses: actions/github-script@v6
+      with:
+        script: |
+          const repoOwner = 'dragonwell-project';
+          const repoName = 'criu';
+          const { data: release } = await github.rest.repos.getLatestRelease({
+            owner: repoOwner,
+            repo: repoName,
+          });
+          return release;
+
+    - name: 'Download asset and copy into jdk'
+      run: |
+          if [ "${{ inputs.platform }}" = "linux-aarch64" ];then
+            keyword=arm64
+          elif [ "${{ inputs.platform }}" = "linux-x64" ];then
+            keyword=x64
+          else
+            echo "unsupport platform ${{ inputs.platform }}"
+            exit 1
+          fi
+          url=""
+          echo "${{ steps.get_criu_release.outputs.assets }}" | jq -c '.[]' | while read asset; do
+            name="$(echo ${asset} | jq -r '.name')"
+            if [ -n "$(echo ${name} | grep ${keyword})" ];then
+              url="$(echo ${asset} | jq -r '.url')"
+              break
+            fi
+          done
+          if [ -n "${url}" ];then
+            curl -OLSk -C - --retry 5 ${url} -o criu.tar.gz
+            tar zxvf criu.tar.gz
+            chmod +x criu
+            mv criu ${{ steps.bundle_decompress.outputs.java_home }}/lib/
+          fi
+      shell: bash
+
     - name: 'Regenerate bundle'
       run: |
         cd ${{ steps.bundle_decompress.outputs.bundle_home }}

.github/workflows/build-linux.yml

@@ -115,7 +115,7 @@ jobs:
           else
             extra_packages=
           fi
-          sudo apt-get install -y gcc-${{ inputs.gcc-major-version }}${{ inputs.gcc-package-suffix }} g++-${{ inputs.gcc-major-version }}${{ inputs.gcc-package-suffix }} libxrandr-dev${{ steps.arch.outputs.suffix }} libxtst-dev${{ steps.arch.outputs.suffix }} libcups2-dev${{ steps.arch.outputs.suffix }} libasound2-dev${{ steps.arch.outputs.suffix }} ${{ inputs.apt-extra-packages }} $extra_packages
+          sudo apt-get install -y gcc-${{ inputs.gcc-major-version }}${{ inputs.gcc-package-suffix }} g++-${{ inputs.gcc-major-version }}${{ inputs.gcc-package-suffix }} libxrandr-dev${{ steps.arch.outputs.suffix }} libxtst-dev${{ steps.arch.outputs.suffix }} libcups2-dev${{ steps.arch.outputs.suffix }} libasound2-dev${{ steps.arch.outputs.suffix }} ${{ inputs.apt-extra-packages }} $extra_packages jq
           sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ inputs.gcc-major-version }} 100 --slave /usr/bin/g++ g++ /usr/bin/g++-${{ inputs.gcc-major-version }}
         if: inputs.platform != 'linux-aarch64'
 
@@ -143,9 +143,9 @@ jobs:
           platform: ${{ inputs.platform }}
           debug-suffix: '${{ matrix.suffix }}'
 
-      - name: 'Build serverless-adapter'
-        id: build-serverless-adapter
-        uses: ./.github/actions/build-serverless-adapter
+      - name: 'Build additional components'
+        id: build-additional-components
+        uses: ./.github/actions/build-additional-components
         with:
           platform: ${{ inputs.platform }}
           debug-suffix: '${{ matrix.suffix }}'

make/CompileDemos.gmk

@@ -219,6 +219,10 @@ $(eval $(call SetupBuildDemo, TransparentRuler, \
     MAIN_CLASS := transparentruler.Ruler, \
 ))
 
+$(eval $(call SetupBuildDemo, JavaCompilerCRaC, \
+    DEMO_SUBDIR := crac, \
+))
+
 ################################################################################
 # Copy html and README files.
 

make/autoconf/libraries.m4

@@ -130,6 +130,15 @@ AC_DEFUN_ONCE([LIB_SETUP_LIBRARIES],
     BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lthread"
   fi
 
+  # librt for legacy clock_gettime
+  if test "x$OPENJDK_TARGET_OS" = xlinux; then
+    # Hotspot needs to link librt to get the clock_* functions.
+    # But once our supported minimum build and runtime platform
+    # has glibc 2.17, this can be removed as the functions are
+    # in libc.
+    BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lrt"
+  fi
+
   # Because RISC-V only has word-sized atomics, it requries libatomic where
   # other common architectures do not.  So link libatomic by default.
   if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$OPENJDK_TARGET_CPU" = xriscv64; then

make/hotspot/symbols/symbols-shared

@@ -33,3 +33,8 @@ JNI_GetDefaultJavaVMInitArgs
 JVM_FindClassFromBootLoader
 JVM_GetVersionInfo
 JVM_InitAgentProperties
+JVM_Checkpoint
+JVM_RegisterPersistent
+JVM_DeregisterPersistent
+JVM_RegisterPseudoPersistent
+JVM_UnregisterPseudoPersistent

make/hotspot/symbols/symbols-unix

@@ -199,3 +199,5 @@ JVM_AddModuleExportsToAllUnnamed
 JVM_AddReadsModule
 JVM_DefineModule
 JVM_SetBootLoaderUnnamedModule
+
+JVM_CheckpointEnabled

make/launcher/Launcher-java.base.gmk

@@ -90,3 +90,41 @@ ifeq ($(call isTargetOs, macosx solaris aix linux), true)
 endif
 
 ################################################################################
+
+ifeq ($(OPENJDK_TARGET_OS), linux)
+  $(eval $(call SetupJdkExecutable, BUILD_CRIUENGINE, \
+      NAME := criuengine, \
+      SRC := $(TOPDIR)/src/$(MODULE)/unix/native/criuengine, \
+      INCLUDE_FILES := criuengine.c, \
+      OPTIMIZATION := HIGH, \
+      CFLAGS := $(CFLAGS_JDKEXE), \
+      LDFLAGS := $(LDFLAGS), \
+      OUTPUT_DIR := $(SUPPORT_OUTPUTDIR)/modules_libs/$(MODULE), \
+  ))
+  TARGETS += $(BUILD_CRIUENGINE)
+
+  $(eval $(call SetupJdkExecutable, BUILD_PAUSEENGINE, \
+      NAME := pauseengine, \
+      SRC := $(TOPDIR)/src/$(MODULE)/unix/native/pauseengine, \
+      INCLUDE_FILES := pauseengine.c, \
+      OPTIMIZATION := LOW, \
+      CFLAGS := $(CFLAGS_JDKEXE), \
+      LDFLAGS := $(LDFLAGS), \
+      OUTPUT_DIR := $(SUPPORT_OUTPUTDIR)/modules_libs/$(MODULE), \
+  ))
+  TARGETS += $(BUILD_PAUSEENGINE)
+
+  $(eval $(call SetupJdkExecutable, BUILD_SIMENGINE, \
+      NAME := simengine, \
+      SRC := $(TOPDIR)/src/$(MODULE)/unix/native/simengine, \
+      INCLUDE_FILES := simengine.c, \
+      OPTIMIZATION := LOW, \
+      CFLAGS := $(CFLAGS_JDKEXE), \
+      LDFLAGS := $(LDFLAGS), \
+      OUTPUT_DIR := $(SUPPORT_OUTPUTDIR)/modules_libs/$(MODULE), \
+  ))
+  TARGETS += $(BUILD_SIMENGINE)
+
+endif
+
+################################################################################

src/demo/share/crac/JavaCompilerCRaC/Compile.java

@@ -0,0 +1,5 @@
+public class Compile {
+    public static void main(String... args) throws Exception {
+        JavaCompilerCRaC.runJavac(args);
+    }
+}

src/demo/share/crac/JavaCompilerCRaC/JavaCompilerCRaC.java

@@ -0,0 +1,29 @@
+import java.util.Arrays;
+import jdk.crac.Core;
+
+public class JavaCompilerCRaC {
+
+    static void runJavac(String... args) {
+        System.out.println("javac " + String.join(" ", args));
+        int status = com.sun.tools.javac.Main.compile(args);
+        if (status != 0) {
+            System.exit(status);
+        }
+    }
+
+    public static void main(String... args) throws Exception {
+        int startIdx = 0;
+        for (int endIdx = 1; endIdx < args.length; ++endIdx) {
+            if (args[endIdx].equals("--")) {
+                runJavac(Arrays.copyOfRange(args, startIdx, endIdx));
+                startIdx = endIdx + 1;
+            }
+        }
+
+        if (startIdx < args.length) {
+            runJavac(Arrays.copyOfRange(args, startIdx, args.length));
+        }
+
+        Core.checkpointRestore();
+    }
+}