[OPENJDK-4106] Enable compact object headers

modules/jdk/21/module.yaml

@@ -28,6 +28,8 @@ packages:
 
 modules:
   install:
+  - name: jboss.container.openjdk.jre
+    version: *jdkver
   - name: jboss.container.user
   - name: jboss.container.openjdk
 

modules/jdk/25/configure.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -euo pipefail
+
+# Update securerandom.source for quicker starts (must be done after removing jdk 8, or it will hit the wrong files)
+JAVA_SECURITY_FILE=/usr/lib/jvm/java/conf/security/java.security
+SECURERANDOM=securerandom.source
+if grep -q "^$SECURERANDOM=.*" $JAVA_SECURITY_FILE; then
+    sed -i "s|^$SECURERANDOM=.*|$SECURERANDOM=file:/dev/urandom|" $JAVA_SECURITY_FILE
+else
+    echo $SECURERANDOM=file:/dev/urandom >> $JAVA_SECURITY_FILE
+fi

modules/jdk/25/module.yaml

@@ -0,0 +1,37 @@
+schema_version: 1
+
+name: "jboss.container.openjdk.jdk"
+description: "Installs the JDK for OpenJDK 25."
+version: &jdkver "25"
+
+labels:
+- name: "org.jboss.product"
+  value: "openjdk"
+- name: "org.jboss.product.version"
+  value: *jdkver
+- name: "org.jboss.product.openjdk.version"
+  value: *jdkver
+
+envs:
+- name: "JAVA_HOME"
+  value: "/usr/lib/jvm/java-25"
+- name: "JAVA_VENDOR"
+  value: "openjdk"
+- name: "JAVA_VERSION"
+  value: *jdkver
+- name: JBOSS_CONTAINER_OPENJDK_JDK_MODULE
+  value: /opt/jboss/container/openjdk/jdk
+
+packages:
+  install:
+  - java-25-openjdk-devel
+
+modules:
+  install:
+  - name: jboss.container.openjdk.jre
+    version: *jdkver
+  - name: jboss.container.user
+  - name: jboss.container.openjdk
+
+execute:
+- script: configure.sh

modules/jre/25/artifacts/opt/jboss/container/openjdk/jre/jvm-options

@@ -0,0 +1,9 @@
+#!/bin/bash
+# this is a script library and is intended to be sourced, not executed.
+
+# OPENJDK-4106
+jvm_specific_options() {
+  if [ "$JAVA_COMPACT_OBJECT_HEADERS" != "false" ]; then
+    echo "-XX:+UseCompactObjectHeaders"
+  fi
+}

modules/jre/25/configure.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+set -euo pipefail
+
+SCRIPT_DIR=$(dirname $0)
+ARTIFACTS_DIR=${SCRIPT_DIR}/artifacts
+
+install -m 0644 -D {${ARTIFACTS_DIR},}${JBOSS_CONTAINER_OPENJDK_JRE_MODULE}/jvm-options

modules/jre/25/module.yaml

@@ -0,0 +1,38 @@
+schema_version: 1
+
+name: "jboss.container.openjdk.jre"
+description: "Installs only the JRE headless for OpenJDK 25."
+version: &jdkver "25"
+
+labels:
+- name: "org.jboss.product"
+  value: "openjdk"
+- name: "org.jboss.product.version"
+  value: *jdkver
+- name: "org.jboss.product.openjdk.version"
+  value: *jdkver
+
+envs:
+- name: "JAVA_HOME"
+  value: "/usr/lib/jvm/jre"
+- name: "JAVA_VENDOR"
+  value: "openjdk"
+- name: "JAVA_VERSION"
+  value: *jdkver
+- name: JBOSS_CONTAINER_OPENJDK_JRE_MODULE
+  value: /opt/jboss/container/openjdk/jre
+- name:         JAVA_COMPACT_OBJECT_HEADERS
+  description:  Whether to enable compact object headers (JEP519) for JDK25 and newer. Enabled by default.
+  example:      "false"
+
+packages:
+  install:
+  - java-25-openjdk-headless
+
+modules:
+  install:
+  - name: jboss.container.user
+  - name: jboss.container.openjdk
+
+execute:
+- script: configure.sh

modules/jvm/artifacts/opt/jboss/container/java/jvm/java-default-options

@@ -11,8 +11,8 @@ jvm_specific_options() {
 }
 
 # Include overridden jvm_specific_*() functions
-if [ -f "${JBOSS_CONTAINER_OPENJDK_JDK_MODULE}/jvm-options" ]; then
-  source "${JBOSS_CONTAINER_OPENJDK_JDK_MODULE}/jvm-options"
+if [ -f "${JBOSS_CONTAINER_OPENJDK_JRE_MODULE}/jvm-options" ]; then
+  source "${JBOSS_CONTAINER_OPENJDK_JRE_MODULE}/jvm-options"
 fi
 
 # Check for memory options and calculate a sane default if not given
@@ -60,7 +60,7 @@ gc_config() {
     fi
   fi
 
-  local allOptions="$(jvm_specific_options) "
+  local allOptions=""
   allOptions+="${gcOptions} "
   allOptions+="-XX:MinHeapFreeRatio=${minHeapFreeRatio} "
   allOptions+="-XX:MaxHeapFreeRatio=${maxHeapFreeRatio} "
@@ -81,5 +81,7 @@ error_handling() {
   echo "-XX:+ExitOnOutOfMemoryError"
 }
 
-## Echo options, trimming trailing and multiple spaces
-echo "$(max_memory) $(gc_config) $(diagnostics) $(error_handling)" | awk '$1=$1'
+echo "$(max_memory) $(gc_config) $(diagnostics) $(error_handling)\
+  $(jvm_specific_options)
+
+" | awk '$1=$1' # trim leading/trailing spaces and squash multiple spaces