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

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1013     /**
1014      * This filters out the bit that differentiates a type array from an object array.
1015      */
1016     public int layoutHelperElementTypePrimitiveInPlace() {
1017         return (layoutHelperArrayTagTypeValue & ~layoutHelperArrayTagObjectValue) << layoutHelperArrayTagShift;
1018     }
1019 
1020     /**
1021      * Bit pattern in the klass layout helper that can be used to identify arrays.
1022      */
1023     public final int arrayKlassLayoutHelperIdentifier = 0x80000000;
1024 
1025     @HotSpotVMType(name = "vtableEntry", get = HotSpotVMType.Type.SIZE) @Stable public int vtableEntrySize;
1026     @HotSpotVMField(name = "vtableEntry::_method", type = "Method*", get = HotSpotVMField.Type.OFFSET) @Stable public int vtableEntryMethodOffset;
1027 
1028     @HotSpotVMType(name = "InstanceKlass", get = HotSpotVMType.Type.SIZE) @Stable public int instanceKlassSize;
1029     @HotSpotVMField(name = "InstanceKlass::_source_file_name_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassSourceFileNameIndexOffset;
1030     @HotSpotVMField(name = "InstanceKlass::_init_state", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassInitStateOffset;
1031     @HotSpotVMField(name = "InstanceKlass::_constants", type = "ConstantPool*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassConstantsOffset;
1032     @HotSpotVMField(name = "InstanceKlass::_fields", type = "Array<u2>*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassFieldsOffset;
1033     @HotSpotVMField(name = "CompilerToVM::Data::InstanceKlass_vtable_start_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int instanceKlassVtableStartOffset;
1034     @HotSpotVMField(name = "CompilerToVM::Data::InstanceKlass_vtable_length_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int instanceKlassVtableLengthOffset;
1035 
1036     @HotSpotVMConstant(name = "InstanceKlass::linked") @Stable public int instanceKlassStateLinked;
1037     @HotSpotVMConstant(name = "InstanceKlass::fully_initialized") @Stable public int instanceKlassStateFullyInitialized;
1038 
1039     @HotSpotVMType(name = "arrayOopDesc", get = HotSpotVMType.Type.SIZE) @Stable public int arrayOopDescSize;
1040 
1041     /**
1042      * The offset of the array length word in an array object's header.
1043      *
1044      * See {@code arrayOopDesc::length_offset_in_bytes()}.
1045      */
1046     public final int arrayOopDescLengthOffset() {
1047         return useCompressedClassPointers ? hubOffset + narrowKlassSize : arrayOopDescSize;
1048     }
1049 
1050     @HotSpotVMField(name = "Array<int>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1LengthOffset;
1051     @HotSpotVMField(name = "Array<u1>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1DataOffset;
1052     @HotSpotVMField(name = "Array<u2>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU2DataOffset;
1053     @HotSpotVMField(name = "Array<Klass*>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayLengthOffset;
1054     @HotSpotVMField(name = "Array<Klass*>::_data[0]", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayBaseOffset;






1013     /**
1014      * This filters out the bit that differentiates a type array from an object array.
1015      */
1016     public int layoutHelperElementTypePrimitiveInPlace() {
1017         return (layoutHelperArrayTagTypeValue & ~layoutHelperArrayTagObjectValue) << layoutHelperArrayTagShift;
1018     }
1019 
1020     /**
1021      * Bit pattern in the klass layout helper that can be used to identify arrays.
1022      */
1023     public final int arrayKlassLayoutHelperIdentifier = 0x80000000;
1024 
1025     @HotSpotVMType(name = "vtableEntry", get = HotSpotVMType.Type.SIZE) @Stable public int vtableEntrySize;
1026     @HotSpotVMField(name = "vtableEntry::_method", type = "Method*", get = HotSpotVMField.Type.OFFSET) @Stable public int vtableEntryMethodOffset;
1027 
1028     @HotSpotVMType(name = "InstanceKlass", get = HotSpotVMType.Type.SIZE) @Stable public int instanceKlassSize;
1029     @HotSpotVMField(name = "InstanceKlass::_source_file_name_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassSourceFileNameIndexOffset;
1030     @HotSpotVMField(name = "InstanceKlass::_init_state", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassInitStateOffset;
1031     @HotSpotVMField(name = "InstanceKlass::_constants", type = "ConstantPool*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassConstantsOffset;
1032     @HotSpotVMField(name = "InstanceKlass::_fields", type = "Array<u2>*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassFieldsOffset;
1033     @HotSpotVMField(name = "CompilerToVM::Data::Klass_vtable_start_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int klassVtableStartOffset;
1034     @HotSpotVMField(name = "CompilerToVM::Data::Klass_vtable_length_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int klassVtableLengthOffset;
1035 
1036     @HotSpotVMConstant(name = "InstanceKlass::linked") @Stable public int instanceKlassStateLinked;
1037     @HotSpotVMConstant(name = "InstanceKlass::fully_initialized") @Stable public int instanceKlassStateFullyInitialized;
1038 
1039     @HotSpotVMType(name = "arrayOopDesc", get = HotSpotVMType.Type.SIZE) @Stable public int arrayOopDescSize;
1040 
1041     /**
1042      * The offset of the array length word in an array object's header.
1043      *
1044      * See {@code arrayOopDesc::length_offset_in_bytes()}.
1045      */
1046     public final int arrayOopDescLengthOffset() {
1047         return useCompressedClassPointers ? hubOffset + narrowKlassSize : arrayOopDescSize;
1048     }
1049 
1050     @HotSpotVMField(name = "Array<int>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1LengthOffset;
1051     @HotSpotVMField(name = "Array<u1>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1DataOffset;
1052     @HotSpotVMField(name = "Array<u2>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU2DataOffset;
1053     @HotSpotVMField(name = "Array<Klass*>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayLengthOffset;
1054     @HotSpotVMField(name = "Array<Klass*>::_data[0]", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayBaseOffset;







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