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Open XL DDR Enablement (OpenJ9) #22815

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Open XL DDR Enablement (OpenJ9) #22815

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6092bc9
ddr gsplit changes
Deigue Sep 17, 2025
ea48482
Fix missing properties in exported debug symbols
Deigue Oct 23, 2025
d8f15e3
Debug Pointer Class Generation code
Deigue Oct 23, 2025
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6 changes: 4 additions & 2 deletions debugtools/DDR_VM/src/com/ibm/j9ddr/BytecodeGenerator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -747,7 +747,9 @@ private void doArrayMethod(FieldDescriptor field) {
case StructureTypeManager.TYPE_J9WSRP: // not implemented
break;
}

System.out.println("Structure: " + structure.getName());
System.out.println("Field: " + field.getName());
System.out.println("Component: " + componentType);
throw new IllegalArgumentException("Unrecognized array: " + fieldType);
}

Expand Down Expand Up @@ -2758,7 +2760,7 @@ private static int getCellSize(String type) {

static byte[] getClassBytes(StructureDescriptor structure, String className) {
StructureHelper helper = new StructureHelper(structure, className);

System.out.println("getClassBytes::className: " + className);
return helper.generate();
}

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2 changes: 1 addition & 1 deletion debugtools/DDR_VM/src/com/ibm/j9ddr/StructureReader.java
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Expand Up @@ -1148,7 +1148,7 @@ public byte[] getPointerClassBytes(String binaryName) throws ClassNotFoundExcept
}

String fullClassName = getPackageName(PackageNameType.POINTER_PACKAGE_SLASH_NAME) + clazzName;

System.out.println("StructureReader::fullClassName: " + fullClassName);
return BytecodeGenerator.getPointerClassBytes(this, typeManager, structure, fullClassName);
}

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1 change: 1 addition & 0 deletions debugtools/DDR_VM/src/com/ibm/j9ddr/tools/ClassGenerator.java
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Expand Up @@ -205,6 +205,7 @@ private void writeTo(StructureReader reader, File rootDir) {
for (StructureDescriptor structure : reader.getStructures()) {
String name = structure.getName();
byte[] bytes;
System.out.println("ClassGenerator::structure: " + name);

try {
if (FlagStructureList.isFlagsStructure(name)) {
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4 changes: 4 additions & 0 deletions runtime/cmake/platform/toolcfg/openxl.cmake
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Expand Up @@ -27,6 +27,10 @@ list(APPEND OMR_PLATFORM_COMPILE_OPTIONS

list(APPEND OMR_PLATFORM_CXX_COMPILE_OPTIONS -fno-rtti)

if(OMR_OS_ZOS)
list(APPEND OMR_PLATFORM_COMPILE_OPTIONS -g -gdwarf-5 -gsplit-dwarf)
endif()

# OMR_PLATFORM_CXX_COMPILE_OPTIONS get applied to JIT code (which needs exceptions),
# so we put these in the CMAKE_CXX_FLAGS instead.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fignore-exceptions")
2 changes: 1 addition & 1 deletion runtime/ddr/CMakeLists.txt
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Expand Up @@ -61,7 +61,7 @@ if(CMAKE_C_COMPILER_ID STREQUAL "XLClang")
if(CMAKE_C_COMPILER_VERSION AND (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "17.1"))
target_compile_options(j9ddr_misc PRIVATE -qdbxextra)
endif()
elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
elseif(CMAKE_C_COMPILER_ID MATCHES "Clang" OR OMR_TOOLCONFIG STREQUAL "openxl")
target_compile_options(j9ddr_misc PRIVATE -fno-eliminate-unused-debug-types)
elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU")
target_compile_options(j9ddr_misc PRIVATE -femit-class-debug-always)
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1 change: 1 addition & 0 deletions runtime/ddr/gcddr.cpp
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Expand Up @@ -71,6 +71,7 @@ GC_DdrDebugLink(MM_MemoryPoolSplitAddressOrderedList)
GC_DdrDebugLink(MM_RealtimeMarkingScheme)
GC_DdrDebugLink(MM_ScavengerForwardedHeader)
GC_DdrDebugLink(MM_StringTable)
GC_DdrDebugLink(MM_SublistPuddle)

#if defined(J9VM_GC_FINALIZATION)
GC_DdrDebugLink(GC_FinalizeListManager)
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