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GP-7037: Using Java Compact Object Headers

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This commit is contained in:
Ryan Kurtz
2026-07-02 15:29:40 -04:00
parent 35f874e92f
commit d17b595425
7 changed files with 9 additions and 4 deletions
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2
Ghidra/Features/Base/.launch/Ghidra Code Coverage.launch
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@@ -29,6 +29,6 @@
<stringAttribute key="org.eclipse.jdt.launching.MODULE_NAME" value="_Integration Test"/>
<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="ghidra.GhidraRun"/>
<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="_Integration Test"/>
<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-XX:+IgnoreUnrecognizedVMOptions&#13;&#10;-Djava.system.class.loader=ghidra.GhidraClassLoader&#13;&#10;-Xshare:off&#13;&#10;-Dfile.encoding=UTF8&#13;&#10;-Duser.country=US&#13;&#10;-Duser.language=en&#13;&#10;-Dsun.java2d.pmoffscreen=false&#13;&#10;-Dsun.java2d.xrender=true&#13;&#10;-Dsun.java2d.d3d=false&#13;&#10;-Xdock:name=&quot;Ghidra&quot;&#13;&#10;-Dvisualvm.display.name=Ghidra&#13;&#10;-Dpython.console.encoding=UTF-8&#13;&#10;-Djavax.xml.accessExternalDTD=&#13;&#10;-Djavax.xml.accessExternalSchema=&#13;&#10;-Djavax.xml.accessExternalStylesheet=&#13;&#10;--enable-native-access=ALL-UNNAMED&#13;&#10;--sun-misc-unsafe-memory-access=allow"/>
<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-XX:+IgnoreUnrecognizedVMOptions&#13;&#10;-Djava.system.class.loader=ghidra.GhidraClassLoader&#13;&#10;-Xshare:off&#13;&#10;-Dfile.encoding=UTF8&#13;&#10;-Duser.country=US&#13;&#10;-Duser.language=en&#13;&#10;-Dsun.java2d.pmoffscreen=false&#13;&#10;-Dsun.java2d.xrender=true&#13;&#10;-Dsun.java2d.d3d=false&#13;&#10;-Xdock:name=&quot;Ghidra&quot;&#13;&#10;-Dvisualvm.display.name=Ghidra&#13;&#10;-Dpython.console.encoding=UTF-8&#13;&#10;-Djavax.xml.accessExternalDTD=&#13;&#10;-Djavax.xml.accessExternalSchema=&#13;&#10;-Djavax.xml.accessExternalStylesheet=&#13;&#10;--enable-native-access=ALL-UNNAMED&#13;&#10;--sun-misc-unsafe-memory-access=allow&#13;&#10;-XX:+UseCompactObjectHeaders"/>
<stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY" value="${workspace_loc:Framework Utility}"/>
</launchConfiguration>

2
Ghidra/Features/Base/.launch/Ghidra.launch
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@@ -31,5 +31,5 @@
<stringAttribute key="org.eclipse.jdt.launching.MODULE_NAME" value="Framework Utility"/>
<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="ghidra.GhidraRun"/>
<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="Framework Utility"/>
<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-XX:+IgnoreUnrecognizedVMOptions&#13;&#10;-Djava.system.class.loader=ghidra.GhidraClassLoader&#13;&#10;-Xshare:off&#13;&#10;-Dfile.encoding=UTF8&#13;&#10;-Duser.country=US&#13;&#10;-Duser.language=en&#13;&#10;-Dsun.java2d.pmoffscreen=false&#13;&#10;-Dsun.java2d.xrender=true&#13;&#10;-Dsun.java2d.d3d=false&#13;&#10;-Xdock:name=&quot;Ghidra&quot;&#13;&#10;-Dvisualvm.display.name=Ghidra&#13;&#10;-Dpython.console.encoding=UTF-8&#13;&#10;-Djavax.xml.accessExternalDTD=&#13;&#10;-Djavax.xml.accessExternalSchema=&#13;&#10;-Djavax.xml.accessExternalStylesheet=&#13;&#10;--enable-native-access=ALL-UNNAMED&#13;&#10;--sun-misc-unsafe-memory-access=allow"/>
<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-XX:+IgnoreUnrecognizedVMOptions&#13;&#10;-Djava.system.class.loader=ghidra.GhidraClassLoader&#13;&#10;-Xshare:off&#13;&#10;-Dfile.encoding=UTF8&#13;&#10;-Duser.country=US&#13;&#10;-Duser.language=en&#13;&#10;-Dsun.java2d.pmoffscreen=false&#13;&#10;-Dsun.java2d.xrender=true&#13;&#10;-Dsun.java2d.d3d=false&#13;&#10;-Xdock:name=&quot;Ghidra&quot;&#13;&#10;-Dvisualvm.display.name=Ghidra&#13;&#10;-Dpython.console.encoding=UTF-8&#13;&#10;-Djavax.xml.accessExternalDTD=&#13;&#10;-Djavax.xml.accessExternalSchema=&#13;&#10;-Djavax.xml.accessExternalStylesheet=&#13;&#10;--enable-native-access=ALL-UNNAMED&#13;&#10;--sun-misc-unsafe-memory-access=allow&#13;&#10;-XX:+UseCompactObjectHeaders"/>
</launchConfiguration>

2
Ghidra/Features/Base/.launch/Headless.launch
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@@ -31,5 +31,5 @@
<stringAttribute key="org.eclipse.jdt.launching.MODULE_NAME" value="Framework Utility"/>
<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="ghidra.app.util.headless.AnalyzeHeadless"/>
<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="Framework Utility"/>
<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-XX:+IgnoreUnrecognizedVMOptions&#13;&#10;-Djava.system.class.loader=ghidra.GhidraClassLoader&#13;&#10;-Xshare:off&#13;&#10;-Dfile.encoding=UTF8&#13;&#10;-Duser.country=US&#13;&#10;-Duser.language=en&#13;&#10;-Dsun.java2d.pmoffscreen=false&#13;&#10;-Dsun.java2d.xrender=true&#13;&#10;-Dsun.java2d.d3d=false&#13;&#10;-Xdock:name=&quot;Ghidra&quot;&#13;&#10;-Dvisualvm.display.name=Ghidra&#13;&#10;-Dpython.console.encoding=UTF-8&#13;&#10;-Djava.awt.headless=true&#13;&#10;-Djavax.xml.accessExternalDTD=&#13;&#10;-Djavax.xml.accessExternalSchema=&#13;&#10;-Djavax.xml.accessExternalStylesheet=&#13;&#10;--enable-native-access=ALL-UNNAMED&#13;&#10;--sun-misc-unsafe-memory-access=allow"/>
<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-XX:+IgnoreUnrecognizedVMOptions&#13;&#10;-Djava.system.class.loader=ghidra.GhidraClassLoader&#13;&#10;-Xshare:off&#13;&#10;-Dfile.encoding=UTF8&#13;&#10;-Duser.country=US&#13;&#10;-Duser.language=en&#13;&#10;-Dsun.java2d.pmoffscreen=false&#13;&#10;-Dsun.java2d.xrender=true&#13;&#10;-Dsun.java2d.d3d=false&#13;&#10;-Xdock:name=&quot;Ghidra&quot;&#13;&#10;-Dvisualvm.display.name=Ghidra&#13;&#10;-Dpython.console.encoding=UTF-8&#13;&#10;-Djava.awt.headless=true&#13;&#10;-Djavax.xml.accessExternalDTD=&#13;&#10;-Djavax.xml.accessExternalSchema=&#13;&#10;-Djavax.xml.accessExternalStylesheet=&#13;&#10;--enable-native-access=ALL-UNNAMED&#13;&#10;--sun-misc-unsafe-memory-access=allow&#13;&#10;-XX:+UseCompactObjectHeaders"/>
</launchConfiguration>

2
Ghidra/Features/Base/.launch/JShell.launch
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@@ -31,5 +31,5 @@
<stringAttribute key="org.eclipse.jdt.launching.MODULE_NAME" value="Framework Utility"/>
<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="ghidra.JShellRun"/>
<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="Framework Utility"/>
<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-XX:+IgnoreUnrecognizedVMOptions&#13;&#10;-Djava.system.class.loader=ghidra.GhidraClassLoader&#13;&#10;-Xshare:off&#13;&#10;-Dfile.encoding=UTF8&#13;&#10;-Duser.country=US&#13;&#10;-Duser.language=en&#13;&#10;-Dsun.java2d.pmoffscreen=false&#13;&#10;-Dsun.java2d.xrender=true&#13;&#10;-Dsun.java2d.d3d=false&#13;&#10;-Xdock:name=&quot;Ghidra&quot;&#13;&#10;-Dvisualvm.display.name=Ghidra&#13;&#10;-Dpython.console.encoding=UTF-8&#13;&#10;-Djavax.xml.accessExternalDTD=&#13;&#10;-Djavax.xml.accessExternalSchema=&#13;&#10;-Djavax.xml.accessExternalStylesheet=&#13;&#10;--enable-native-access=ALL-UNNAMED&#13;&#10;--sun-misc-unsafe-memory-access=allow"/>
<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-XX:+IgnoreUnrecognizedVMOptions&#13;&#10;-Djava.system.class.loader=ghidra.GhidraClassLoader&#13;&#10;-Xshare:off&#13;&#10;-Dfile.encoding=UTF8&#13;&#10;-Duser.country=US&#13;&#10;-Duser.language=en&#13;&#10;-Dsun.java2d.pmoffscreen=false&#13;&#10;-Dsun.java2d.xrender=true&#13;&#10;-Dsun.java2d.d3d=false&#13;&#10;-Xdock:name=&quot;Ghidra&quot;&#13;&#10;-Dvisualvm.display.name=Ghidra&#13;&#10;-Dpython.console.encoding=UTF-8&#13;&#10;-Djavax.xml.accessExternalDTD=&#13;&#10;-Djavax.xml.accessExternalSchema=&#13;&#10;-Djavax.xml.accessExternalStylesheet=&#13;&#10;--enable-native-access=ALL-UNNAMED&#13;&#10;--sun-misc-unsafe-memory-access=allow&#13;&#10;-XX:+UseCompactObjectHeaders"/>
</launchConfiguration>

3
Ghidra/RuntimeScripts/support/launch.properties
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@@ -97,6 +97,9 @@ VMARGS_WINDOWS=-Dlog4j.skipJansi=true
# Ghidra does not use class data sharing, so explicitly turn it off to avoid the warning.
VMARGS=-Xshare:off
# Use JDK compact object headers
VMARGS=-XX:+UseCompactObjectHeaders
# Restrict XML external access
VMARGS=-Djavax.xml.accessExternalDTD=
VMARGS=-Djavax.xml.accessExternalSchema=

1
gradle/javaTestProject.gradle
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@@ -193,6 +193,7 @@ def initTestJVM(Task task, String rootDirName) {
'-Dcpu.core.override=8',
'-XX:ParallelGCThreads=8',
'-XX:+UseParallelGC',
'-XX:+UseCompactObjectHeaders',
'-Djava.awt.headless=false',
'-DDecompilerFunctionAnalyzer.enabled=false', // prevent long-winded analysis when testing (see DecompilerFunctionAnalyzer)
'-Dfile.encoding=UTF8',

1
gradle/root/test.gradle
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@@ -328,6 +328,7 @@ def initTestJVM(Task task, String rootDirName) {
'-Dcpu.core.override=8',
'-XX:ParallelGCThreads=8',
'-XX:+UseParallelGC',
'-XX:+UseCompactObjectHeaders',
'-Djava.awt.headless=false',
'-DDecompilerFunctionAnalyzer.enabled=false', // prevent long-winded analysis when testing (see DecompilerFunctionAnalyzer)
'-Dfile.encoding=UTF8',