src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotVMConfig.java

rev 12604 : 8173912: [JVMCI] fix memory overhead of JVMCI

@@ -83,11 +83,11 @@
     final int klassLayoutHelperOffset = getFieldOffset("Klass::_layout_helper", Integer.class, "jint");
 
     final int klassLayoutHelperNeutralValue = getConstant("Klass::_lh_neutral_value", Integer.class);
     final int klassLayoutHelperInstanceSlowPathBit = getConstant("Klass::_lh_instance_slow_path_bit", Integer.class);
 
-    final int vtableEntrySize = getTypeSize("vtableEntry");
+    final int vtableEntrySize = getFieldValue("CompilerToVM::Data::sizeof_vtableEntry", Integer.class, "int");
     final int vtableEntryMethodOffset = getFieldOffset("vtableEntry::_method", Integer.class, "Method*");
 
     final int instanceKlassSourceFileNameIndexOffset = getFieldOffset("InstanceKlass::_source_file_name_index", Integer.class, "u2");
     final int instanceKlassInitStateOffset = getFieldOffset("InstanceKlass::_init_state", Integer.class, "u1");
     final int instanceKlassConstantsOffset = getFieldOffset("InstanceKlass::_constants", Integer.class, "ConstantPool*");

@@ -190,24 +190,24 @@
 
     final int constMethodHasLineNumberTable = getConstant("ConstMethod::_has_linenumber_table", Integer.class);
     final int constMethodHasLocalVariableTable = getConstant("ConstMethod::_has_localvariable_table", Integer.class);
     final int constMethodHasExceptionTable = getConstant("ConstMethod::_has_exception_table", Integer.class);
 
-    final int exceptionTableElementSize = getTypeSize("ExceptionTableElement");
+    final int exceptionTableElementSize = getFieldValue("CompilerToVM::Data::sizeof_ExceptionTableElement", Integer.class, "int");
     final int exceptionTableElementStartPcOffset = getFieldOffset("ExceptionTableElement::start_pc", Integer.class, "u2");
     final int exceptionTableElementEndPcOffset = getFieldOffset("ExceptionTableElement::end_pc", Integer.class, "u2");
     final int exceptionTableElementHandlerPcOffset = getFieldOffset("ExceptionTableElement::handler_pc", Integer.class, "u2");
     final int exceptionTableElementCatchTypeIndexOffset = getFieldOffset("ExceptionTableElement::catch_type_index", Integer.class, "u2");
 
-    final int localVariableTableElementSize = getTypeSize("LocalVariableTableElement");
+    final int localVariableTableElementSize = getFieldValue("CompilerToVM::Data::sizeof_LocalVariableTableElement", Integer.class, "int");
     final int localVariableTableElementStartBciOffset = getFieldOffset("LocalVariableTableElement::start_bci", Integer.class, "u2");
     final int localVariableTableElementLengthOffset = getFieldOffset("LocalVariableTableElement::length", Integer.class, "u2");
     final int localVariableTableElementNameCpIndexOffset = getFieldOffset("LocalVariableTableElement::name_cp_index", Integer.class, "u2");
     final int localVariableTableElementDescriptorCpIndexOffset = getFieldOffset("LocalVariableTableElement::descriptor_cp_index", Integer.class, "u2");
     final int localVariableTableElementSlotOffset = getFieldOffset("LocalVariableTableElement::slot", Integer.class, "u2");
 
-    final int constantPoolSize = getTypeSize("ConstantPool");
+    final int constantPoolSize = getFieldValue("CompilerToVM::Data::sizeof_ConstantPool", Integer.class, "int");
     final int constantPoolTagsOffset = getFieldOffset("ConstantPool::_tags", Integer.class, "Array<u1>*");
     final int constantPoolHolderOffset = getFieldOffset("ConstantPool::_pool_holder", Integer.class, "InstanceKlass*");
     final int constantPoolLengthOffset = getFieldOffset("ConstantPool::_length", Integer.class, "int");
 
     final int constantPoolCpCacheIndexTag = getConstant("ConstantPool::CPCACHE_INDEX_TAG", Integer.class);

@@ -235,16 +235,19 @@
     final int jvmConstantInternalMin = getConstant("JVM_CONSTANT_InternalMin", Integer.class);
     final int jvmConstantInternalMax = getConstant("JVM_CONSTANT_InternalMax", Integer.class);
 
     final int heapWordSize = getConstant("HeapWordSize", Integer.class);
 
-    final int symbolPointerSize = getTypeSize("Symbol*");
+    final int symbolPointerSize = getFieldValue("CompilerToVM::Data::sizeof_SymbolPointer", Integer.class, "int");
 
     final long vmSymbolsSymbols = getFieldAddress("vmSymbols::_symbols[0]", "Symbol*");
     final int vmSymbolsFirstSID = getConstant("vmSymbols::FIRST_SID", Integer.class);
     final int vmSymbolsSIDLimit = getConstant("vmSymbols::SID_LIMIT", Integer.class);
 
+    final long symbolInit = getFieldValue("CompilerToVM::Data::symbol_init", Long.class);
+    final long symbolClinit = getFieldValue("CompilerToVM::Data::symbol_clinit", Long.class);
+
     /**
      * Returns the symbol in the {@code vmSymbols} table at position {@code index} as a
      * {@link String}.
      *
      * @param index position in the symbol table