runtime/asm_support.h - platform/art - Gitiles

 /*
  * Copyright (C) 2011 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #ifndef ART_RUNTIME_ASM_SUPPORT_H_
 #define ART_RUNTIME_ASM_SUPPORT_H_

 #if defined(__cplusplus)
 #include "art_method.h"
 #include "lock_word.h"
 #include "mirror/class.h"
 #include "mirror/string.h"
 #include "runtime.h"
 #include "thread.h"
 #endif

 #include "read_barrier_c.h"

 #if defined(__arm__) || defined(__mips__)
 // In quick code for ARM and MIPS we make poor use of registers and perform frequent suspend
 // checks in the event of loop back edges. The SUSPEND_CHECK_INTERVAL constant is loaded into a
 // register at the point of an up-call or after handling a suspend check. It reduces the number of
 // loads of the TLS suspend check value by the given amount (turning it into a decrement and compare
 // of a register). This increases the time for a thread to respond to requests from GC and the
 // debugger, damaging GC performance and creating other unwanted artifacts. For example, this count
 // has the effect of making loops and Java code look cold in profilers, where the count is reset
 // impacts where samples will occur. Reducing the count as much as possible improves profiler
 // accuracy in tools like traceview.
 // TODO: get a compiler that can do a proper job of loop optimization and remove this.
 #define SUSPEND_CHECK_INTERVAL 96
 #endif

 #if defined(__cplusplus)

 #ifndef ADD_TEST_EQ  // Allow #include-r to replace with their own.
 #define ADD_TEST_EQ(x, y) CHECK_EQ(x, y);
 #endif

 static inline void CheckAsmSupportOffsetsAndSizes() {
 #else
 #define ADD_TEST_EQ(x, y)
 #endif

 // Size of references to the heap on the stack.
 #define STACK_REFERENCE_SIZE 4
 ADD_TEST_EQ(static_cast<size_t>(STACK_REFERENCE_SIZE), sizeof(art::StackReference<art::mirror::Object>))

 // Size of heap references
 #define COMPRESSED_REFERENCE_SIZE 4
 ADD_TEST_EQ(static_cast<size_t>(COMPRESSED_REFERENCE_SIZE),
             sizeof(art::mirror::CompressedReference<art::mirror::Object>))

 // Note: these callee save methods loads require read barriers.
 // Offset of field Runtime::callee_save_methods_[kSaveAll]
 #define RUNTIME_SAVE_ALL_CALLEE_SAVE_FRAME_OFFSET 0
 ADD_TEST_EQ(static_cast<size_t>(RUNTIME_SAVE_ALL_CALLEE_SAVE_FRAME_OFFSET),
             art::Runtime::GetCalleeSaveMethodOffset(art::Runtime::kSaveAll))

 // Offset of field Runtime::callee_save_methods_[kRefsOnly]
 #define RUNTIME_REFS_ONLY_CALLEE_SAVE_FRAME_OFFSET 8
 ADD_TEST_EQ(static_cast<size_t>(RUNTIME_REFS_ONLY_CALLEE_SAVE_FRAME_OFFSET),
             art::Runtime::GetCalleeSaveMethodOffset(art::Runtime::kRefsOnly))

 // Offset of field Runtime::callee_save_methods_[kRefsAndArgs]
 #define RUNTIME_REFS_AND_ARGS_CALLEE_SAVE_FRAME_OFFSET (2 * 8)
 ADD_TEST_EQ(static_cast<size_t>(RUNTIME_REFS_AND_ARGS_CALLEE_SAVE_FRAME_OFFSET),
             art::Runtime::GetCalleeSaveMethodOffset(art::Runtime::kRefsAndArgs))

 // Offset of field Thread::tls32_.state_and_flags.
 #define THREAD_FLAGS_OFFSET 0
 ADD_TEST_EQ(THREAD_FLAGS_OFFSET,
             art::Thread::ThreadFlagsOffset<__SIZEOF_POINTER__>().Int32Value())

 // Offset of field Thread::tls32_.thin_lock_thread_id.
 #define THREAD_ID_OFFSET 12
 ADD_TEST_EQ(THREAD_ID_OFFSET,
             art::Thread::ThinLockIdOffset<__SIZEOF_POINTER__>().Int32Value())

 // Offset of field Thread::tlsPtr_.card_table.
 #define THREAD_CARD_TABLE_OFFSET 128
 ADD_TEST_EQ(THREAD_CARD_TABLE_OFFSET,
             art::Thread::CardTableOffset<__SIZEOF_POINTER__>().Int32Value())

 // Offset of field Thread::tlsPtr_.exception.
 #define THREAD_EXCEPTION_OFFSET (THREAD_CARD_TABLE_OFFSET + __SIZEOF_POINTER__)
 ADD_TEST_EQ(THREAD_EXCEPTION_OFFSET,
             art::Thread::ExceptionOffset<__SIZEOF_POINTER__>().Int32Value())

 // Offset of field Thread::tlsPtr_.managed_stack.top_quick_frame_.
 #define THREAD_TOP_QUICK_FRAME_OFFSET (THREAD_CARD_TABLE_OFFSET + (3 * __SIZEOF_POINTER__))
 ADD_TEST_EQ(THREAD_TOP_QUICK_FRAME_OFFSET,
             art::Thread::TopOfManagedStackOffset<__SIZEOF_POINTER__>().Int32Value())

 // Offset of field Thread::tlsPtr_.self.
 #define THREAD_SELF_OFFSET (THREAD_CARD_TABLE_OFFSET + (9 * __SIZEOF_POINTER__))
 ADD_TEST_EQ(THREAD_SELF_OFFSET,
             art::Thread::SelfOffset<__SIZEOF_POINTER__>().Int32Value())

 // Offset of field Thread::tlsPtr_.thread_local_pos.
 #define THREAD_LOCAL_POS_OFFSET (THREAD_CARD_TABLE_OFFSET + 151 * __SIZEOF_POINTER__)
 ADD_TEST_EQ(THREAD_LOCAL_POS_OFFSET,
             art::Thread::ThreadLocalPosOffset<__SIZEOF_POINTER__>().Int32Value())
 // Offset of field Thread::tlsPtr_.thread_local_end.
 #define THREAD_LOCAL_END_OFFSET (THREAD_LOCAL_POS_OFFSET + __SIZEOF_POINTER__)
 ADD_TEST_EQ(THREAD_LOCAL_END_OFFSET,
             art::Thread::ThreadLocalEndOffset<__SIZEOF_POINTER__>().Int32Value())
 // Offset of field Thread::tlsPtr_.thread_local_objects.
 #define THREAD_LOCAL_OBJECTS_OFFSET (THREAD_LOCAL_POS_OFFSET + 2 * __SIZEOF_POINTER__)
 ADD_TEST_EQ(THREAD_LOCAL_OBJECTS_OFFSET,
             art::Thread::ThreadLocalObjectsOffset<__SIZEOF_POINTER__>().Int32Value())

 // Offsets within java.lang.Object.
 #define MIRROR_OBJECT_CLASS_OFFSET 0
 ADD_TEST_EQ(MIRROR_OBJECT_CLASS_OFFSET, art::mirror::Object::ClassOffset().Int32Value())
 #define MIRROR_OBJECT_LOCK_WORD_OFFSET 4
 ADD_TEST_EQ(MIRROR_OBJECT_LOCK_WORD_OFFSET, art::mirror::Object::MonitorOffset().Int32Value())

 #if defined(USE_BROOKS_READ_BARRIER)
 #define MIRROR_OBJECT_HEADER_SIZE 16
 #else
 #define MIRROR_OBJECT_HEADER_SIZE 8
 #endif
 ADD_TEST_EQ(size_t(MIRROR_OBJECT_HEADER_SIZE), sizeof(art::mirror::Object))

 // Offsets within java.lang.Class.
 #define MIRROR_CLASS_COMPONENT_TYPE_OFFSET (4 + MIRROR_OBJECT_HEADER_SIZE)
 ADD_TEST_EQ(MIRROR_CLASS_COMPONENT_TYPE_OFFSET,
             art::mirror::Class::ComponentTypeOffset().Int32Value())
 #define MIRROR_CLASS_ACCESS_FLAGS_OFFSET (72 + MIRROR_OBJECT_HEADER_SIZE)
 ADD_TEST_EQ(MIRROR_CLASS_ACCESS_FLAGS_OFFSET,
             art::mirror::Class::AccessFlagsOffset().Int32Value())
 #define MIRROR_CLASS_OBJECT_SIZE_OFFSET (104 + MIRROR_OBJECT_HEADER_SIZE)
 ADD_TEST_EQ(MIRROR_CLASS_OBJECT_SIZE_OFFSET,
             art::mirror::Class::ObjectSizeOffset().Int32Value())
 #define MIRROR_CLASS_STATUS_OFFSET (116 + MIRROR_OBJECT_HEADER_SIZE)
 ADD_TEST_EQ(MIRROR_CLASS_STATUS_OFFSET,
             art::mirror::Class::StatusOffset().Int32Value())

 #define MIRROR_CLASS_STATUS_INITIALIZED 10
 ADD_TEST_EQ(static_cast<uint32_t>(MIRROR_CLASS_STATUS_INITIALIZED),
             static_cast<uint32_t>(art::mirror::Class::kStatusInitialized))
 #define ACCESS_FLAGS_CLASS_IS_FINALIZABLE 0x80000000
 ADD_TEST_EQ(static_cast<uint32_t>(ACCESS_FLAGS_CLASS_IS_FINALIZABLE),
             static_cast<uint32_t>(art::kAccClassIsFinalizable))

 // Array offsets.
 #define MIRROR_ARRAY_LENGTH_OFFSET      MIRROR_OBJECT_HEADER_SIZE
 ADD_TEST_EQ(MIRROR_ARRAY_LENGTH_OFFSET, art::mirror::Array::LengthOffset().Int32Value())

 #define MIRROR_CHAR_ARRAY_DATA_OFFSET   (4 + MIRROR_OBJECT_HEADER_SIZE)
 ADD_TEST_EQ(MIRROR_CHAR_ARRAY_DATA_OFFSET,
             art::mirror::Array::DataOffset(sizeof(uint16_t)).Int32Value())

 #define MIRROR_OBJECT_ARRAY_DATA_OFFSET (4 + MIRROR_OBJECT_HEADER_SIZE)
 ADD_TEST_EQ(MIRROR_OBJECT_ARRAY_DATA_OFFSET,
     art::mirror::Array::DataOffset(
         sizeof(art::mirror::HeapReference<art::mirror::Object>)).Int32Value())

 #define MIRROR_OBJECT_ARRAY_COMPONENT_SIZE 4
 ADD_TEST_EQ(static_cast<size_t>(MIRROR_OBJECT_ARRAY_COMPONENT_SIZE),
             sizeof(art::mirror::HeapReference<art::mirror::Object>))

 #define MIRROR_LONG_ARRAY_DATA_OFFSET (8 + MIRROR_OBJECT_HEADER_SIZE)
 ADD_TEST_EQ(MIRROR_LONG_ARRAY_DATA_OFFSET,
             art::mirror::Array::DataOffset(sizeof(uint64_t)).Int32Value())

 // Offsets within java.lang.String.
 #define MIRROR_STRING_COUNT_OFFSET  MIRROR_OBJECT_HEADER_SIZE
 ADD_TEST_EQ(MIRROR_STRING_COUNT_OFFSET, art::mirror::String::CountOffset().Int32Value())

 #define MIRROR_STRING_VALUE_OFFSET (8 + MIRROR_OBJECT_HEADER_SIZE)
 ADD_TEST_EQ(MIRROR_STRING_VALUE_OFFSET, art::mirror::String::ValueOffset().Int32Value())

 // Offsets within java.lang.reflect.ArtMethod.
 #define ART_METHOD_DEX_CACHE_METHODS_OFFSET_32 20
 ADD_TEST_EQ(ART_METHOD_DEX_CACHE_METHODS_OFFSET_32,
             art::ArtMethod::DexCacheResolvedMethodsOffset(4).Int32Value())

 #define ART_METHOD_DEX_CACHE_METHODS_OFFSET_64 24
 ADD_TEST_EQ(ART_METHOD_DEX_CACHE_METHODS_OFFSET_64,
             art::ArtMethod::DexCacheResolvedMethodsOffset(8).Int32Value())

 #define ART_METHOD_DEX_CACHE_TYPES_OFFSET_32 24
 ADD_TEST_EQ(ART_METHOD_DEX_CACHE_TYPES_OFFSET_32,
             art::ArtMethod::DexCacheResolvedTypesOffset(4).Int32Value())

 #define ART_METHOD_DEX_CACHE_TYPES_OFFSET_64 32
 ADD_TEST_EQ(ART_METHOD_DEX_CACHE_TYPES_OFFSET_64,
             art::ArtMethod::DexCacheResolvedTypesOffset(8).Int32Value())

 #define ART_METHOD_QUICK_CODE_OFFSET_32 32
 ADD_TEST_EQ(ART_METHOD_QUICK_CODE_OFFSET_32,
             art::ArtMethod::EntryPointFromQuickCompiledCodeOffset(4).Int32Value())

 #define ART_METHOD_QUICK_CODE_OFFSET_64 48
 ADD_TEST_EQ(ART_METHOD_QUICK_CODE_OFFSET_64,
             art::ArtMethod::EntryPointFromQuickCompiledCodeOffset(8).Int32Value())

 #define LOCK_WORD_STATE_SHIFT 30
 ADD_TEST_EQ(LOCK_WORD_STATE_SHIFT, static_cast<int32_t>(art::LockWord::kStateShift))

 #define LOCK_WORD_STATE_MASK 0xC0000000
 ADD_TEST_EQ(LOCK_WORD_STATE_MASK, static_cast<uint32_t>(art::LockWord::kStateMaskShifted))

 #define LOCK_WORD_READ_BARRIER_STATE_SHIFT 28
 ADD_TEST_EQ(LOCK_WORD_READ_BARRIER_STATE_SHIFT,
             static_cast<int32_t>(art::LockWord::kReadBarrierStateShift))

 #define LOCK_WORD_READ_BARRIER_STATE_MASK 0x30000000
 ADD_TEST_EQ(LOCK_WORD_READ_BARRIER_STATE_MASK,
             static_cast<int32_t>(art::LockWord::kReadBarrierStateMaskShifted))

 #define LOCK_WORD_READ_BARRIER_STATE_MASK_TOGGLED 0xCFFFFFFF
 ADD_TEST_EQ(LOCK_WORD_READ_BARRIER_STATE_MASK_TOGGLED,
             static_cast<uint32_t>(art::LockWord::kReadBarrierStateMaskShiftedToggled))

 #define LOCK_WORD_THIN_LOCK_COUNT_ONE 65536
 ADD_TEST_EQ(LOCK_WORD_THIN_LOCK_COUNT_ONE, static_cast<int32_t>(art::LockWord::kThinLockCountOne))

 #define OBJECT_ALIGNMENT_MASK 7
 ADD_TEST_EQ(static_cast<size_t>(OBJECT_ALIGNMENT_MASK), art::kObjectAlignment - 1)

 #define OBJECT_ALIGNMENT_MASK_TOGGLED 0xFFFFFFF8
 ADD_TEST_EQ(static_cast<uint32_t>(OBJECT_ALIGNMENT_MASK_TOGGLED),
             ~static_cast<uint32_t>(art::kObjectAlignment - 1))

 #if defined(__cplusplus)
 }  // End of CheckAsmSupportOffsets.
 #endif

 #endif  // ART_RUNTIME_ASM_SUPPORT_H_
	/*
	* Copyright (C) 2011 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#ifndef ART_RUNTIME_ASM_SUPPORT_H_
	#define ART_RUNTIME_ASM_SUPPORT_H_

	#if defined(__cplusplus)
	#include "art_method.h"
	#include "lock_word.h"
	#include "mirror/class.h"
	#include "mirror/string.h"
	#include "runtime.h"
	#include "thread.h"
	#endif

	#include "read_barrier_c.h"

	#if defined(__arm__) \|\| defined(__mips__)
	// In quick code for ARM and MIPS we make poor use of registers and perform frequent suspend
	// checks in the event of loop back edges. The SUSPEND_CHECK_INTERVAL constant is loaded into a
	// register at the point of an up-call or after handling a suspend check. It reduces the number of
	// loads of the TLS suspend check value by the given amount (turning it into a decrement and compare
	// of a register). This increases the time for a thread to respond to requests from GC and the
	// debugger, damaging GC performance and creating other unwanted artifacts. For example, this count
	// has the effect of making loops and Java code look cold in profilers, where the count is reset
	// impacts where samples will occur. Reducing the count as much as possible improves profiler
	// accuracy in tools like traceview.
	// TODO: get a compiler that can do a proper job of loop optimization and remove this.
	#define SUSPEND_CHECK_INTERVAL 96
	#endif

	#if defined(__cplusplus)

	#ifndef ADD_TEST_EQ // Allow #include-r to replace with their own.
	#define ADD_TEST_EQ(x, y) CHECK_EQ(x, y);
	#endif

	static inline void CheckAsmSupportOffsetsAndSizes() {
	#else
	#define ADD_TEST_EQ(x, y)
	#endif

	// Size of references to the heap on the stack.
	#define STACK_REFERENCE_SIZE 4
	ADD_TEST_EQ(static_cast<size_t>(STACK_REFERENCE_SIZE), sizeof(art::StackReference<art::mirror::Object>))

	// Size of heap references
	#define COMPRESSED_REFERENCE_SIZE 4
	ADD_TEST_EQ(static_cast<size_t>(COMPRESSED_REFERENCE_SIZE),
	sizeof(art::mirror::CompressedReference<art::mirror::Object>))

	// Note: these callee save methods loads require read barriers.
	// Offset of field Runtime::callee_save_methods_[kSaveAll]
	#define RUNTIME_SAVE_ALL_CALLEE_SAVE_FRAME_OFFSET 0
	ADD_TEST_EQ(static_cast<size_t>(RUNTIME_SAVE_ALL_CALLEE_SAVE_FRAME_OFFSET),
	art::Runtime::GetCalleeSaveMethodOffset(art::Runtime::kSaveAll))

	// Offset of field Runtime::callee_save_methods_[kRefsOnly]
	#define RUNTIME_REFS_ONLY_CALLEE_SAVE_FRAME_OFFSET 8
	ADD_TEST_EQ(static_cast<size_t>(RUNTIME_REFS_ONLY_CALLEE_SAVE_FRAME_OFFSET),
	art::Runtime::GetCalleeSaveMethodOffset(art::Runtime::kRefsOnly))

	// Offset of field Runtime::callee_save_methods_[kRefsAndArgs]
	#define RUNTIME_REFS_AND_ARGS_CALLEE_SAVE_FRAME_OFFSET (2 * 8)
	ADD_TEST_EQ(static_cast<size_t>(RUNTIME_REFS_AND_ARGS_CALLEE_SAVE_FRAME_OFFSET),
	art::Runtime::GetCalleeSaveMethodOffset(art::Runtime::kRefsAndArgs))

	// Offset of field Thread::tls32_.state_and_flags.
	#define THREAD_FLAGS_OFFSET 0
	ADD_TEST_EQ(THREAD_FLAGS_OFFSET,
	art::Thread::ThreadFlagsOffset<__SIZEOF_POINTER__>().Int32Value())

	// Offset of field Thread::tls32_.thin_lock_thread_id.
	#define THREAD_ID_OFFSET 12
	ADD_TEST_EQ(THREAD_ID_OFFSET,
	art::Thread::ThinLockIdOffset<__SIZEOF_POINTER__>().Int32Value())

	// Offset of field Thread::tlsPtr_.card_table.
	#define THREAD_CARD_TABLE_OFFSET 128
	ADD_TEST_EQ(THREAD_CARD_TABLE_OFFSET,
	art::Thread::CardTableOffset<__SIZEOF_POINTER__>().Int32Value())

	// Offset of field Thread::tlsPtr_.exception.
	#define THREAD_EXCEPTION_OFFSET (THREAD_CARD_TABLE_OFFSET + __SIZEOF_POINTER__)
	ADD_TEST_EQ(THREAD_EXCEPTION_OFFSET,
	art::Thread::ExceptionOffset<__SIZEOF_POINTER__>().Int32Value())

	// Offset of field Thread::tlsPtr_.managed_stack.top_quick_frame_.
	#define THREAD_TOP_QUICK_FRAME_OFFSET (THREAD_CARD_TABLE_OFFSET + (3 * __SIZEOF_POINTER__))
	ADD_TEST_EQ(THREAD_TOP_QUICK_FRAME_OFFSET,
	art::Thread::TopOfManagedStackOffset<__SIZEOF_POINTER__>().Int32Value())

	// Offset of field Thread::tlsPtr_.self.
	#define THREAD_SELF_OFFSET (THREAD_CARD_TABLE_OFFSET + (9 * __SIZEOF_POINTER__))
	ADD_TEST_EQ(THREAD_SELF_OFFSET,
	art::Thread::SelfOffset<__SIZEOF_POINTER__>().Int32Value())

	// Offset of field Thread::tlsPtr_.thread_local_pos.
	#define THREAD_LOCAL_POS_OFFSET (THREAD_CARD_TABLE_OFFSET + 151 * __SIZEOF_POINTER__)
	ADD_TEST_EQ(THREAD_LOCAL_POS_OFFSET,
	art::Thread::ThreadLocalPosOffset<__SIZEOF_POINTER__>().Int32Value())
	// Offset of field Thread::tlsPtr_.thread_local_end.
	#define THREAD_LOCAL_END_OFFSET (THREAD_LOCAL_POS_OFFSET + __SIZEOF_POINTER__)
	ADD_TEST_EQ(THREAD_LOCAL_END_OFFSET,
	art::Thread::ThreadLocalEndOffset<__SIZEOF_POINTER__>().Int32Value())
	// Offset of field Thread::tlsPtr_.thread_local_objects.
	#define THREAD_LOCAL_OBJECTS_OFFSET (THREAD_LOCAL_POS_OFFSET + 2 * __SIZEOF_POINTER__)
	ADD_TEST_EQ(THREAD_LOCAL_OBJECTS_OFFSET,
	art::Thread::ThreadLocalObjectsOffset<__SIZEOF_POINTER__>().Int32Value())

	// Offsets within java.lang.Object.
	#define MIRROR_OBJECT_CLASS_OFFSET 0
	ADD_TEST_EQ(MIRROR_OBJECT_CLASS_OFFSET, art::mirror::Object::ClassOffset().Int32Value())
	#define MIRROR_OBJECT_LOCK_WORD_OFFSET 4
	ADD_TEST_EQ(MIRROR_OBJECT_LOCK_WORD_OFFSET, art::mirror::Object::MonitorOffset().Int32Value())

	#if defined(USE_BROOKS_READ_BARRIER)
	#define MIRROR_OBJECT_HEADER_SIZE 16
	#else
	#define MIRROR_OBJECT_HEADER_SIZE 8
	#endif
	ADD_TEST_EQ(size_t(MIRROR_OBJECT_HEADER_SIZE), sizeof(art::mirror::Object))

	// Offsets within java.lang.Class.
	#define MIRROR_CLASS_COMPONENT_TYPE_OFFSET (4 + MIRROR_OBJECT_HEADER_SIZE)
	ADD_TEST_EQ(MIRROR_CLASS_COMPONENT_TYPE_OFFSET,
	art::mirror::Class::ComponentTypeOffset().Int32Value())
	#define MIRROR_CLASS_ACCESS_FLAGS_OFFSET (72 + MIRROR_OBJECT_HEADER_SIZE)
	ADD_TEST_EQ(MIRROR_CLASS_ACCESS_FLAGS_OFFSET,
	art::mirror::Class::AccessFlagsOffset().Int32Value())
	#define MIRROR_CLASS_OBJECT_SIZE_OFFSET (104 + MIRROR_OBJECT_HEADER_SIZE)
	ADD_TEST_EQ(MIRROR_CLASS_OBJECT_SIZE_OFFSET,
	art::mirror::Class::ObjectSizeOffset().Int32Value())
	#define MIRROR_CLASS_STATUS_OFFSET (116 + MIRROR_OBJECT_HEADER_SIZE)
	ADD_TEST_EQ(MIRROR_CLASS_STATUS_OFFSET,
	art::mirror::Class::StatusOffset().Int32Value())

	#define MIRROR_CLASS_STATUS_INITIALIZED 10
	ADD_TEST_EQ(static_cast<uint32_t>(MIRROR_CLASS_STATUS_INITIALIZED),
	static_cast<uint32_t>(art::mirror::Class::kStatusInitialized))
	#define ACCESS_FLAGS_CLASS_IS_FINALIZABLE 0x80000000
	ADD_TEST_EQ(static_cast<uint32_t>(ACCESS_FLAGS_CLASS_IS_FINALIZABLE),
	static_cast<uint32_t>(art::kAccClassIsFinalizable))

	// Array offsets.
	#define MIRROR_ARRAY_LENGTH_OFFSET MIRROR_OBJECT_HEADER_SIZE
	ADD_TEST_EQ(MIRROR_ARRAY_LENGTH_OFFSET, art::mirror::Array::LengthOffset().Int32Value())

	#define MIRROR_CHAR_ARRAY_DATA_OFFSET (4 + MIRROR_OBJECT_HEADER_SIZE)
	ADD_TEST_EQ(MIRROR_CHAR_ARRAY_DATA_OFFSET,
	art::mirror::Array::DataOffset(sizeof(uint16_t)).Int32Value())

	#define MIRROR_OBJECT_ARRAY_DATA_OFFSET (4 + MIRROR_OBJECT_HEADER_SIZE)
	ADD_TEST_EQ(MIRROR_OBJECT_ARRAY_DATA_OFFSET,
	art::mirror::Array::DataOffset(
	sizeof(art::mirror::HeapReference<art::mirror::Object>)).Int32Value())

	#define MIRROR_OBJECT_ARRAY_COMPONENT_SIZE 4
	ADD_TEST_EQ(static_cast<size_t>(MIRROR_OBJECT_ARRAY_COMPONENT_SIZE),
	sizeof(art::mirror::HeapReference<art::mirror::Object>))

	#define MIRROR_LONG_ARRAY_DATA_OFFSET (8 + MIRROR_OBJECT_HEADER_SIZE)
	ADD_TEST_EQ(MIRROR_LONG_ARRAY_DATA_OFFSET,
	art::mirror::Array::DataOffset(sizeof(uint64_t)).Int32Value())

	// Offsets within java.lang.String.
	#define MIRROR_STRING_COUNT_OFFSET MIRROR_OBJECT_HEADER_SIZE
	ADD_TEST_EQ(MIRROR_STRING_COUNT_OFFSET, art::mirror::String::CountOffset().Int32Value())

	#define MIRROR_STRING_VALUE_OFFSET (8 + MIRROR_OBJECT_HEADER_SIZE)
	ADD_TEST_EQ(MIRROR_STRING_VALUE_OFFSET, art::mirror::String::ValueOffset().Int32Value())

	// Offsets within java.lang.reflect.ArtMethod.
	#define ART_METHOD_DEX_CACHE_METHODS_OFFSET_32 20
	ADD_TEST_EQ(ART_METHOD_DEX_CACHE_METHODS_OFFSET_32,
	art::ArtMethod::DexCacheResolvedMethodsOffset(4).Int32Value())

	#define ART_METHOD_DEX_CACHE_METHODS_OFFSET_64 24
	ADD_TEST_EQ(ART_METHOD_DEX_CACHE_METHODS_OFFSET_64,
	art::ArtMethod::DexCacheResolvedMethodsOffset(8).Int32Value())

	#define ART_METHOD_DEX_CACHE_TYPES_OFFSET_32 24
	ADD_TEST_EQ(ART_METHOD_DEX_CACHE_TYPES_OFFSET_32,
	art::ArtMethod::DexCacheResolvedTypesOffset(4).Int32Value())

	#define ART_METHOD_DEX_CACHE_TYPES_OFFSET_64 32
	ADD_TEST_EQ(ART_METHOD_DEX_CACHE_TYPES_OFFSET_64,
	art::ArtMethod::DexCacheResolvedTypesOffset(8).Int32Value())

	#define ART_METHOD_QUICK_CODE_OFFSET_32 32
	ADD_TEST_EQ(ART_METHOD_QUICK_CODE_OFFSET_32,
	art::ArtMethod::EntryPointFromQuickCompiledCodeOffset(4).Int32Value())

	#define ART_METHOD_QUICK_CODE_OFFSET_64 48
	ADD_TEST_EQ(ART_METHOD_QUICK_CODE_OFFSET_64,
	art::ArtMethod::EntryPointFromQuickCompiledCodeOffset(8).Int32Value())

	#define LOCK_WORD_STATE_SHIFT 30
	ADD_TEST_EQ(LOCK_WORD_STATE_SHIFT, static_cast<int32_t>(art::LockWord::kStateShift))

	#define LOCK_WORD_STATE_MASK 0xC0000000
	ADD_TEST_EQ(LOCK_WORD_STATE_MASK, static_cast<uint32_t>(art::LockWord::kStateMaskShifted))

	#define LOCK_WORD_READ_BARRIER_STATE_SHIFT 28
	ADD_TEST_EQ(LOCK_WORD_READ_BARRIER_STATE_SHIFT,
	static_cast<int32_t>(art::LockWord::kReadBarrierStateShift))

	#define LOCK_WORD_READ_BARRIER_STATE_MASK 0x30000000
	ADD_TEST_EQ(LOCK_WORD_READ_BARRIER_STATE_MASK,
	static_cast<int32_t>(art::LockWord::kReadBarrierStateMaskShifted))

	#define LOCK_WORD_READ_BARRIER_STATE_MASK_TOGGLED 0xCFFFFFFF
	ADD_TEST_EQ(LOCK_WORD_READ_BARRIER_STATE_MASK_TOGGLED,
	static_cast<uint32_t>(art::LockWord::kReadBarrierStateMaskShiftedToggled))

	#define LOCK_WORD_THIN_LOCK_COUNT_ONE 65536
	ADD_TEST_EQ(LOCK_WORD_THIN_LOCK_COUNT_ONE, static_cast<int32_t>(art::LockWord::kThinLockCountOne))

	#define OBJECT_ALIGNMENT_MASK 7
	ADD_TEST_EQ(static_cast<size_t>(OBJECT_ALIGNMENT_MASK), art::kObjectAlignment - 1)

	#define OBJECT_ALIGNMENT_MASK_TOGGLED 0xFFFFFFF8
	ADD_TEST_EQ(static_cast<uint32_t>(OBJECT_ALIGNMENT_MASK_TOGGLED),
	~static_cast<uint32_t>(art::kObjectAlignment - 1))

	#if defined(__cplusplus)
	} // End of CheckAsmSupportOffsets.
	#endif

	#endif // ART_RUNTIME_ASM_SUPPORT_H_