1 /*
2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
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 /**
1040 * See {@code InstanceKlass::vtable_start_offset()}.
1041 */
1042 public final int instanceKlassVtableStartOffset() {
1043 return instanceKlassVtableStartOffset * heapWordSize;
1044 }
1045
1046 @HotSpotVMType(name = "arrayOopDesc", get = HotSpotVMType.Type.SIZE) @Stable public int arrayOopDescSize;
1047
1048 /**
1049 * The offset of the array length word in an array object's header.
1050 *
1051 * See {@code arrayOopDesc::length_offset_in_bytes()}.
1052 */
1053 public final int arrayOopDescLengthOffset() {
1054 return useCompressedClassPointers ? hubOffset + narrowKlassSize : arrayOopDescSize;
1055 }
1056
1057 @HotSpotVMField(name = "Array<int>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1LengthOffset;
1058 @HotSpotVMField(name = "Array<u1>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1DataOffset;
1059 @HotSpotVMField(name = "Array<u2>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU2DataOffset;
1060 @HotSpotVMField(name = "Array<Klass*>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayLengthOffset;
1061 @HotSpotVMField(name = "Array<Klass*>::_data[0]", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayBaseOffset;
1062
1063 @HotSpotVMField(name = "ObjArrayKlass::_element_klass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayClassElementOffset;
1064
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1 /*
2 * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
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;
1055
1056 @HotSpotVMField(name = "ObjArrayKlass::_element_klass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayClassElementOffset;
1057
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