1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ART_RUNTIME_ASM_SUPPORT_H_ 18#define ART_RUNTIME_ASM_SUPPORT_H_ 19 20#if defined(__cplusplus) 21#include "art_method.h" 22#include "gc/allocator/rosalloc.h" 23#include "jit/jit.h" 24#include "lock_word.h" 25#include "mirror/class.h" 26#include "mirror/string.h" 27#include "runtime.h" 28#include "thread.h" 29#endif 30 31#include "read_barrier_c.h" 32 33#if defined(__arm__) || defined(__mips__) 34// In quick code for ARM and MIPS we make poor use of registers and perform frequent suspend 35// checks in the event of loop back edges. The SUSPEND_CHECK_INTERVAL constant is loaded into a 36// register at the point of an up-call or after handling a suspend check. It reduces the number of 37// loads of the TLS suspend check value by the given amount (turning it into a decrement and compare 38// of a register). This increases the time for a thread to respond to requests from GC and the 39// debugger, damaging GC performance and creating other unwanted artifacts. For example, this count 40// has the effect of making loops and Java code look cold in profilers, where the count is reset 41// impacts where samples will occur. Reducing the count as much as possible improves profiler 42// accuracy in tools like traceview. 43// TODO: get a compiler that can do a proper job of loop optimization and remove this. 44#define SUSPEND_CHECK_INTERVAL 96 45#endif 46 47#if defined(__cplusplus) 48 49#ifndef ADD_TEST_EQ // Allow #include-r to replace with their own. 50#define ADD_TEST_EQ(x, y) CHECK_EQ(x, y); 51#endif 52 53static inline void CheckAsmSupportOffsetsAndSizes() { 54#else 55#define ADD_TEST_EQ(x, y) 56#endif 57 58#if defined(__LP64__) 59#define POINTER_SIZE_SHIFT 3 60#else 61#define POINTER_SIZE_SHIFT 2 62#endif 63ADD_TEST_EQ(static_cast<size_t>(1U << POINTER_SIZE_SHIFT), 64 static_cast<size_t>(__SIZEOF_POINTER__)) 65 66// Size of references to the heap on the stack. 67#define STACK_REFERENCE_SIZE 4 68ADD_TEST_EQ(static_cast<size_t>(STACK_REFERENCE_SIZE), sizeof(art::StackReference<art::mirror::Object>)) 69 70// Size of heap references 71#define COMPRESSED_REFERENCE_SIZE 4 72ADD_TEST_EQ(static_cast<size_t>(COMPRESSED_REFERENCE_SIZE), 73 sizeof(art::mirror::CompressedReference<art::mirror::Object>)) 74 75#define COMPRESSED_REFERENCE_SIZE_SHIFT 2 76ADD_TEST_EQ(static_cast<size_t>(1U << COMPRESSED_REFERENCE_SIZE_SHIFT), 77 static_cast<size_t>(COMPRESSED_REFERENCE_SIZE)) 78 79// Note: these callee save methods loads require read barriers. 80// Offset of field Runtime::callee_save_methods_[kSaveAll] 81#define RUNTIME_SAVE_ALL_CALLEE_SAVE_FRAME_OFFSET 0 82ADD_TEST_EQ(static_cast<size_t>(RUNTIME_SAVE_ALL_CALLEE_SAVE_FRAME_OFFSET), 83 art::Runtime::GetCalleeSaveMethodOffset(art::Runtime::kSaveAll)) 84 85// Offset of field Runtime::callee_save_methods_[kRefsOnly] 86#define RUNTIME_REFS_ONLY_CALLEE_SAVE_FRAME_OFFSET 8 87ADD_TEST_EQ(static_cast<size_t>(RUNTIME_REFS_ONLY_CALLEE_SAVE_FRAME_OFFSET), 88 art::Runtime::GetCalleeSaveMethodOffset(art::Runtime::kRefsOnly)) 89 90// Offset of field Runtime::callee_save_methods_[kRefsAndArgs] 91#define RUNTIME_REFS_AND_ARGS_CALLEE_SAVE_FRAME_OFFSET (2 * 8) 92ADD_TEST_EQ(static_cast<size_t>(RUNTIME_REFS_AND_ARGS_CALLEE_SAVE_FRAME_OFFSET), 93 art::Runtime::GetCalleeSaveMethodOffset(art::Runtime::kRefsAndArgs)) 94 95// Offset of field Thread::tls32_.state_and_flags. 96#define THREAD_FLAGS_OFFSET 0 97ADD_TEST_EQ(THREAD_FLAGS_OFFSET, 98 art::Thread::ThreadFlagsOffset<__SIZEOF_POINTER__>().Int32Value()) 99 100// Offset of field Thread::tls32_.thin_lock_thread_id. 101#define THREAD_ID_OFFSET 12 102ADD_TEST_EQ(THREAD_ID_OFFSET, 103 art::Thread::ThinLockIdOffset<__SIZEOF_POINTER__>().Int32Value()) 104 105// Offset of field Thread::tls32_.is_gc_marking. 106#define THREAD_IS_GC_MARKING_OFFSET 52 107ADD_TEST_EQ(THREAD_IS_GC_MARKING_OFFSET, 108 art::Thread::IsGcMarkingOffset<__SIZEOF_POINTER__>().Int32Value()) 109 110// Offset of field Thread::tlsPtr_.card_table. 111#define THREAD_CARD_TABLE_OFFSET 128 112ADD_TEST_EQ(THREAD_CARD_TABLE_OFFSET, 113 art::Thread::CardTableOffset<__SIZEOF_POINTER__>().Int32Value()) 114 115// Offset of field Thread::tlsPtr_.exception. 116#define THREAD_EXCEPTION_OFFSET (THREAD_CARD_TABLE_OFFSET + __SIZEOF_POINTER__) 117ADD_TEST_EQ(THREAD_EXCEPTION_OFFSET, 118 art::Thread::ExceptionOffset<__SIZEOF_POINTER__>().Int32Value()) 119 120// Offset of field Thread::tlsPtr_.managed_stack.top_quick_frame_. 121#define THREAD_TOP_QUICK_FRAME_OFFSET (THREAD_CARD_TABLE_OFFSET + (3 * __SIZEOF_POINTER__)) 122ADD_TEST_EQ(THREAD_TOP_QUICK_FRAME_OFFSET, 123 art::Thread::TopOfManagedStackOffset<__SIZEOF_POINTER__>().Int32Value()) 124 125// Offset of field Thread::tlsPtr_.self. 126#define THREAD_SELF_OFFSET (THREAD_CARD_TABLE_OFFSET + (9 * __SIZEOF_POINTER__)) 127ADD_TEST_EQ(THREAD_SELF_OFFSET, 128 art::Thread::SelfOffset<__SIZEOF_POINTER__>().Int32Value()) 129 130// Offset of field Thread::tlsPtr_.thread_local_objects. 131#define THREAD_LOCAL_OBJECTS_OFFSET (THREAD_CARD_TABLE_OFFSET + 168 * __SIZEOF_POINTER__) 132ADD_TEST_EQ(THREAD_LOCAL_OBJECTS_OFFSET, 133 art::Thread::ThreadLocalObjectsOffset<__SIZEOF_POINTER__>().Int32Value()) 134// Offset of field Thread::tlsPtr_.thread_local_pos. 135#define THREAD_LOCAL_POS_OFFSET (THREAD_LOCAL_OBJECTS_OFFSET + 2 * __SIZEOF_POINTER__) 136ADD_TEST_EQ(THREAD_LOCAL_POS_OFFSET, 137 art::Thread::ThreadLocalPosOffset<__SIZEOF_POINTER__>().Int32Value()) 138// Offset of field Thread::tlsPtr_.thread_local_end. 139#define THREAD_LOCAL_END_OFFSET (THREAD_LOCAL_POS_OFFSET + __SIZEOF_POINTER__) 140ADD_TEST_EQ(THREAD_LOCAL_END_OFFSET, 141 art::Thread::ThreadLocalEndOffset<__SIZEOF_POINTER__>().Int32Value()) 142// Offset of field Thread::tlsPtr_.mterp_current_ibase. 143#define THREAD_CURRENT_IBASE_OFFSET (THREAD_LOCAL_POS_OFFSET + 2 * __SIZEOF_POINTER__) 144ADD_TEST_EQ(THREAD_CURRENT_IBASE_OFFSET, 145 art::Thread::MterpCurrentIBaseOffset<__SIZEOF_POINTER__>().Int32Value()) 146// Offset of field Thread::tlsPtr_.mterp_default_ibase. 147#define THREAD_DEFAULT_IBASE_OFFSET (THREAD_LOCAL_POS_OFFSET + 3 * __SIZEOF_POINTER__) 148ADD_TEST_EQ(THREAD_DEFAULT_IBASE_OFFSET, 149 art::Thread::MterpDefaultIBaseOffset<__SIZEOF_POINTER__>().Int32Value()) 150// Offset of field Thread::tlsPtr_.mterp_alt_ibase. 151#define THREAD_ALT_IBASE_OFFSET (THREAD_LOCAL_POS_OFFSET + 4 * __SIZEOF_POINTER__) 152ADD_TEST_EQ(THREAD_ALT_IBASE_OFFSET, 153 art::Thread::MterpAltIBaseOffset<__SIZEOF_POINTER__>().Int32Value()) 154// Offset of field Thread::tlsPtr_.rosalloc_runs. 155#define THREAD_ROSALLOC_RUNS_OFFSET (THREAD_LOCAL_POS_OFFSET + 5 * __SIZEOF_POINTER__) 156ADD_TEST_EQ(THREAD_ROSALLOC_RUNS_OFFSET, 157 art::Thread::RosAllocRunsOffset<__SIZEOF_POINTER__>().Int32Value()) 158// Offset of field Thread::tlsPtr_.thread_local_alloc_stack_top. 159#define THREAD_LOCAL_ALLOC_STACK_TOP_OFFSET (THREAD_ROSALLOC_RUNS_OFFSET + 16 * __SIZEOF_POINTER__) 160ADD_TEST_EQ(THREAD_LOCAL_ALLOC_STACK_TOP_OFFSET, 161 art::Thread::ThreadLocalAllocStackTopOffset<__SIZEOF_POINTER__>().Int32Value()) 162// Offset of field Thread::tlsPtr_.thread_local_alloc_stack_end. 163#define THREAD_LOCAL_ALLOC_STACK_END_OFFSET (THREAD_ROSALLOC_RUNS_OFFSET + 17 * __SIZEOF_POINTER__) 164ADD_TEST_EQ(THREAD_LOCAL_ALLOC_STACK_END_OFFSET, 165 art::Thread::ThreadLocalAllocStackEndOffset<__SIZEOF_POINTER__>().Int32Value()) 166 167// Offsets within ShadowFrame. 168#define SHADOWFRAME_LINK_OFFSET 0 169ADD_TEST_EQ(SHADOWFRAME_LINK_OFFSET, 170 static_cast<int32_t>(art::ShadowFrame::LinkOffset())) 171#define SHADOWFRAME_METHOD_OFFSET (SHADOWFRAME_LINK_OFFSET + 1 * __SIZEOF_POINTER__) 172ADD_TEST_EQ(SHADOWFRAME_METHOD_OFFSET, 173 static_cast<int32_t>(art::ShadowFrame::MethodOffset())) 174#define SHADOWFRAME_RESULT_REGISTER_OFFSET (SHADOWFRAME_LINK_OFFSET + 2 * __SIZEOF_POINTER__) 175ADD_TEST_EQ(SHADOWFRAME_RESULT_REGISTER_OFFSET, 176 static_cast<int32_t>(art::ShadowFrame::ResultRegisterOffset())) 177#define SHADOWFRAME_DEX_PC_PTR_OFFSET (SHADOWFRAME_LINK_OFFSET + 3 * __SIZEOF_POINTER__) 178ADD_TEST_EQ(SHADOWFRAME_DEX_PC_PTR_OFFSET, 179 static_cast<int32_t>(art::ShadowFrame::DexPCPtrOffset())) 180#define SHADOWFRAME_CODE_ITEM_OFFSET (SHADOWFRAME_LINK_OFFSET + 4 * __SIZEOF_POINTER__) 181ADD_TEST_EQ(SHADOWFRAME_CODE_ITEM_OFFSET, 182 static_cast<int32_t>(art::ShadowFrame::CodeItemOffset())) 183#define SHADOWFRAME_LOCK_COUNT_DATA_OFFSET (SHADOWFRAME_LINK_OFFSET + 5 * __SIZEOF_POINTER__) 184ADD_TEST_EQ(SHADOWFRAME_LOCK_COUNT_DATA_OFFSET, 185 static_cast<int32_t>(art::ShadowFrame::LockCountDataOffset())) 186#define SHADOWFRAME_NUMBER_OF_VREGS_OFFSET (SHADOWFRAME_LINK_OFFSET + 6 * __SIZEOF_POINTER__) 187ADD_TEST_EQ(SHADOWFRAME_NUMBER_OF_VREGS_OFFSET, 188 static_cast<int32_t>(art::ShadowFrame::NumberOfVRegsOffset())) 189#define SHADOWFRAME_DEX_PC_OFFSET (SHADOWFRAME_NUMBER_OF_VREGS_OFFSET + 4) 190ADD_TEST_EQ(SHADOWFRAME_DEX_PC_OFFSET, 191 static_cast<int32_t>(art::ShadowFrame::DexPCOffset())) 192#define SHADOWFRAME_CACHED_HOTNESS_COUNTDOWN_OFFSET (SHADOWFRAME_NUMBER_OF_VREGS_OFFSET + 8) 193ADD_TEST_EQ(SHADOWFRAME_CACHED_HOTNESS_COUNTDOWN_OFFSET, 194 static_cast<int32_t>(art::ShadowFrame::CachedHotnessCountdownOffset())) 195#define SHADOWFRAME_HOTNESS_COUNTDOWN_OFFSET (SHADOWFRAME_NUMBER_OF_VREGS_OFFSET + 10) 196ADD_TEST_EQ(SHADOWFRAME_HOTNESS_COUNTDOWN_OFFSET, 197 static_cast<int32_t>(art::ShadowFrame::HotnessCountdownOffset())) 198#define SHADOWFRAME_VREGS_OFFSET (SHADOWFRAME_NUMBER_OF_VREGS_OFFSET + 12) 199ADD_TEST_EQ(SHADOWFRAME_VREGS_OFFSET, 200 static_cast<int32_t>(art::ShadowFrame::VRegsOffset())) 201 202// Offsets within CodeItem 203#define CODEITEM_INSNS_OFFSET 16 204ADD_TEST_EQ(CODEITEM_INSNS_OFFSET, 205 static_cast<int32_t>(OFFSETOF_MEMBER(art::DexFile::CodeItem, insns_))) 206 207// Offsets within java.lang.Object. 208#define MIRROR_OBJECT_CLASS_OFFSET 0 209ADD_TEST_EQ(MIRROR_OBJECT_CLASS_OFFSET, art::mirror::Object::ClassOffset().Int32Value()) 210#define MIRROR_OBJECT_LOCK_WORD_OFFSET 4 211ADD_TEST_EQ(MIRROR_OBJECT_LOCK_WORD_OFFSET, art::mirror::Object::MonitorOffset().Int32Value()) 212 213#if defined(USE_BROOKS_READ_BARRIER) 214#define MIRROR_OBJECT_HEADER_SIZE 16 215#else 216#define MIRROR_OBJECT_HEADER_SIZE 8 217#endif 218ADD_TEST_EQ(size_t(MIRROR_OBJECT_HEADER_SIZE), sizeof(art::mirror::Object)) 219 220// Offsets within java.lang.Class. 221#define MIRROR_CLASS_COMPONENT_TYPE_OFFSET (8 + MIRROR_OBJECT_HEADER_SIZE) 222ADD_TEST_EQ(MIRROR_CLASS_COMPONENT_TYPE_OFFSET, 223 art::mirror::Class::ComponentTypeOffset().Int32Value()) 224#define MIRROR_CLASS_ACCESS_FLAGS_OFFSET (36 + MIRROR_OBJECT_HEADER_SIZE) 225ADD_TEST_EQ(MIRROR_CLASS_ACCESS_FLAGS_OFFSET, 226 art::mirror::Class::AccessFlagsOffset().Int32Value()) 227#define MIRROR_CLASS_OBJECT_SIZE_OFFSET (100 + MIRROR_OBJECT_HEADER_SIZE) 228ADD_TEST_EQ(MIRROR_CLASS_OBJECT_SIZE_OFFSET, 229 art::mirror::Class::ObjectSizeOffset().Int32Value()) 230#define MIRROR_CLASS_STATUS_OFFSET (112 + MIRROR_OBJECT_HEADER_SIZE) 231ADD_TEST_EQ(MIRROR_CLASS_STATUS_OFFSET, 232 art::mirror::Class::StatusOffset().Int32Value()) 233 234#define MIRROR_CLASS_STATUS_INITIALIZED 10 235ADD_TEST_EQ(static_cast<uint32_t>(MIRROR_CLASS_STATUS_INITIALIZED), 236 static_cast<uint32_t>(art::mirror::Class::kStatusInitialized)) 237#define ACCESS_FLAGS_CLASS_IS_FINALIZABLE 0x80000000 238ADD_TEST_EQ(static_cast<uint32_t>(ACCESS_FLAGS_CLASS_IS_FINALIZABLE), 239 static_cast<uint32_t>(art::kAccClassIsFinalizable)) 240#define ACCESS_FLAGS_CLASS_IS_FINALIZABLE_BIT 31 241ADD_TEST_EQ(static_cast<uint32_t>(ACCESS_FLAGS_CLASS_IS_FINALIZABLE), 242 static_cast<uint32_t>(1U << ACCESS_FLAGS_CLASS_IS_FINALIZABLE_BIT)) 243 244// Array offsets. 245#define MIRROR_ARRAY_LENGTH_OFFSET MIRROR_OBJECT_HEADER_SIZE 246ADD_TEST_EQ(MIRROR_ARRAY_LENGTH_OFFSET, art::mirror::Array::LengthOffset().Int32Value()) 247 248#define MIRROR_CHAR_ARRAY_DATA_OFFSET (4 + MIRROR_OBJECT_HEADER_SIZE) 249ADD_TEST_EQ(MIRROR_CHAR_ARRAY_DATA_OFFSET, 250 art::mirror::Array::DataOffset(sizeof(uint16_t)).Int32Value()) 251 252#define MIRROR_BOOLEAN_ARRAY_DATA_OFFSET MIRROR_CHAR_ARRAY_DATA_OFFSET 253ADD_TEST_EQ(MIRROR_BOOLEAN_ARRAY_DATA_OFFSET, 254 art::mirror::Array::DataOffset(sizeof(uint8_t)).Int32Value()) 255 256#define MIRROR_BYTE_ARRAY_DATA_OFFSET MIRROR_CHAR_ARRAY_DATA_OFFSET 257ADD_TEST_EQ(MIRROR_BYTE_ARRAY_DATA_OFFSET, 258 art::mirror::Array::DataOffset(sizeof(int8_t)).Int32Value()) 259 260#define MIRROR_SHORT_ARRAY_DATA_OFFSET MIRROR_CHAR_ARRAY_DATA_OFFSET 261ADD_TEST_EQ(MIRROR_SHORT_ARRAY_DATA_OFFSET, 262 art::mirror::Array::DataOffset(sizeof(int16_t)).Int32Value()) 263 264#define MIRROR_INT_ARRAY_DATA_OFFSET MIRROR_CHAR_ARRAY_DATA_OFFSET 265ADD_TEST_EQ(MIRROR_INT_ARRAY_DATA_OFFSET, 266 art::mirror::Array::DataOffset(sizeof(int32_t)).Int32Value()) 267 268#define MIRROR_WIDE_ARRAY_DATA_OFFSET (8 + MIRROR_OBJECT_HEADER_SIZE) 269ADD_TEST_EQ(MIRROR_WIDE_ARRAY_DATA_OFFSET, 270 art::mirror::Array::DataOffset(sizeof(uint64_t)).Int32Value()) 271 272#define MIRROR_OBJECT_ARRAY_DATA_OFFSET (4 + MIRROR_OBJECT_HEADER_SIZE) 273ADD_TEST_EQ(MIRROR_OBJECT_ARRAY_DATA_OFFSET, 274 art::mirror::Array::DataOffset( 275 sizeof(art::mirror::HeapReference<art::mirror::Object>)).Int32Value()) 276 277#define MIRROR_OBJECT_ARRAY_COMPONENT_SIZE 4 278ADD_TEST_EQ(static_cast<size_t>(MIRROR_OBJECT_ARRAY_COMPONENT_SIZE), 279 sizeof(art::mirror::HeapReference<art::mirror::Object>)) 280 281#define MIRROR_LONG_ARRAY_DATA_OFFSET (8 + MIRROR_OBJECT_HEADER_SIZE) 282ADD_TEST_EQ(MIRROR_LONG_ARRAY_DATA_OFFSET, 283 art::mirror::Array::DataOffset(sizeof(uint64_t)).Int32Value()) 284 285// Offsets within java.lang.String. 286#define MIRROR_STRING_COUNT_OFFSET MIRROR_OBJECT_HEADER_SIZE 287ADD_TEST_EQ(MIRROR_STRING_COUNT_OFFSET, art::mirror::String::CountOffset().Int32Value()) 288 289#define MIRROR_STRING_VALUE_OFFSET (8 + MIRROR_OBJECT_HEADER_SIZE) 290ADD_TEST_EQ(MIRROR_STRING_VALUE_OFFSET, art::mirror::String::ValueOffset().Int32Value()) 291 292// Offsets within java.lang.reflect.ArtMethod. 293#define ART_METHOD_DEX_CACHE_METHODS_OFFSET_32 20 294ADD_TEST_EQ(ART_METHOD_DEX_CACHE_METHODS_OFFSET_32, 295 art::ArtMethod::DexCacheResolvedMethodsOffset(4).Int32Value()) 296 297#define ART_METHOD_DEX_CACHE_METHODS_OFFSET_64 24 298ADD_TEST_EQ(ART_METHOD_DEX_CACHE_METHODS_OFFSET_64, 299 art::ArtMethod::DexCacheResolvedMethodsOffset(8).Int32Value()) 300 301#define ART_METHOD_DEX_CACHE_TYPES_OFFSET_32 24 302ADD_TEST_EQ(ART_METHOD_DEX_CACHE_TYPES_OFFSET_32, 303 art::ArtMethod::DexCacheResolvedTypesOffset(4).Int32Value()) 304 305#define ART_METHOD_DEX_CACHE_TYPES_OFFSET_64 32 306ADD_TEST_EQ(ART_METHOD_DEX_CACHE_TYPES_OFFSET_64, 307 art::ArtMethod::DexCacheResolvedTypesOffset(8).Int32Value()) 308 309#define ART_METHOD_JNI_OFFSET_32 28 310ADD_TEST_EQ(ART_METHOD_JNI_OFFSET_32, 311 art::ArtMethod::EntryPointFromJniOffset(4).Int32Value()) 312 313#define ART_METHOD_JNI_OFFSET_64 40 314ADD_TEST_EQ(ART_METHOD_JNI_OFFSET_64, 315 art::ArtMethod::EntryPointFromJniOffset(8).Int32Value()) 316 317#define ART_METHOD_QUICK_CODE_OFFSET_32 32 318ADD_TEST_EQ(ART_METHOD_QUICK_CODE_OFFSET_32, 319 art::ArtMethod::EntryPointFromQuickCompiledCodeOffset(4).Int32Value()) 320 321#define ART_METHOD_QUICK_CODE_OFFSET_64 48 322ADD_TEST_EQ(ART_METHOD_QUICK_CODE_OFFSET_64, 323 art::ArtMethod::EntryPointFromQuickCompiledCodeOffset(8).Int32Value()) 324 325#define LOCK_WORD_STATE_SHIFT 30 326ADD_TEST_EQ(LOCK_WORD_STATE_SHIFT, static_cast<int32_t>(art::LockWord::kStateShift)) 327 328#define LOCK_WORD_STATE_MASK 0xC0000000 329ADD_TEST_EQ(LOCK_WORD_STATE_MASK, static_cast<uint32_t>(art::LockWord::kStateMaskShifted)) 330 331#define LOCK_WORD_READ_BARRIER_STATE_SHIFT 28 332ADD_TEST_EQ(LOCK_WORD_READ_BARRIER_STATE_SHIFT, 333 static_cast<int32_t>(art::LockWord::kReadBarrierStateShift)) 334 335#define LOCK_WORD_READ_BARRIER_STATE_MASK 0x30000000 336ADD_TEST_EQ(LOCK_WORD_READ_BARRIER_STATE_MASK, 337 static_cast<int32_t>(art::LockWord::kReadBarrierStateMaskShifted)) 338 339#define LOCK_WORD_READ_BARRIER_STATE_MASK_TOGGLED 0xCFFFFFFF 340ADD_TEST_EQ(LOCK_WORD_READ_BARRIER_STATE_MASK_TOGGLED, 341 static_cast<uint32_t>(art::LockWord::kReadBarrierStateMaskShiftedToggled)) 342 343#define LOCK_WORD_THIN_LOCK_COUNT_ONE 65536 344ADD_TEST_EQ(LOCK_WORD_THIN_LOCK_COUNT_ONE, static_cast<int32_t>(art::LockWord::kThinLockCountOne)) 345 346#define OBJECT_ALIGNMENT_MASK 7 347ADD_TEST_EQ(static_cast<size_t>(OBJECT_ALIGNMENT_MASK), art::kObjectAlignment - 1) 348 349#define OBJECT_ALIGNMENT_MASK_TOGGLED 0xFFFFFFF8 350ADD_TEST_EQ(static_cast<uint32_t>(OBJECT_ALIGNMENT_MASK_TOGGLED), 351 ~static_cast<uint32_t>(art::kObjectAlignment - 1)) 352 353#define ROSALLOC_MAX_THREAD_LOCAL_BRACKET_SIZE 128 354ADD_TEST_EQ(ROSALLOC_MAX_THREAD_LOCAL_BRACKET_SIZE, 355 static_cast<int32_t>(art::gc::allocator::RosAlloc::kMaxThreadLocalBracketSize)) 356 357#define ROSALLOC_BRACKET_QUANTUM_SIZE_SHIFT 3 358ADD_TEST_EQ(ROSALLOC_BRACKET_QUANTUM_SIZE_SHIFT, 359 static_cast<int32_t>(art::gc::allocator::RosAlloc::kThreadLocalBracketQuantumSizeShift)) 360 361#define ROSALLOC_BRACKET_QUANTUM_SIZE_MASK 7 362ADD_TEST_EQ(ROSALLOC_BRACKET_QUANTUM_SIZE_MASK, 363 static_cast<int32_t>(art::gc::allocator::RosAlloc::kThreadLocalBracketQuantumSize - 1)) 364 365#define ROSALLOC_BRACKET_QUANTUM_SIZE_MASK_TOGGLED32 0xfffffff8 366ADD_TEST_EQ(static_cast<uint32_t>(ROSALLOC_BRACKET_QUANTUM_SIZE_MASK_TOGGLED32), 367 ~static_cast<uint32_t>( 368 art::gc::allocator::RosAlloc::kThreadLocalBracketQuantumSize - 1)) 369 370#define ROSALLOC_BRACKET_QUANTUM_SIZE_MASK_TOGGLED64 0xfffffffffffffff8 371ADD_TEST_EQ(static_cast<uint64_t>(ROSALLOC_BRACKET_QUANTUM_SIZE_MASK_TOGGLED64), 372 ~static_cast<uint64_t>( 373 art::gc::allocator::RosAlloc::kThreadLocalBracketQuantumSize - 1)) 374 375#define ROSALLOC_RUN_FREE_LIST_OFFSET 8 376ADD_TEST_EQ(ROSALLOC_RUN_FREE_LIST_OFFSET, 377 static_cast<int32_t>(art::gc::allocator::RosAlloc::RunFreeListOffset())) 378 379#define ROSALLOC_RUN_FREE_LIST_HEAD_OFFSET 0 380ADD_TEST_EQ(ROSALLOC_RUN_FREE_LIST_HEAD_OFFSET, 381 static_cast<int32_t>(art::gc::allocator::RosAlloc::RunFreeListHeadOffset())) 382 383#define ROSALLOC_RUN_FREE_LIST_SIZE_OFFSET 16 384ADD_TEST_EQ(ROSALLOC_RUN_FREE_LIST_SIZE_OFFSET, 385 static_cast<int32_t>(art::gc::allocator::RosAlloc::RunFreeListSizeOffset())) 386 387#define ROSALLOC_SLOT_NEXT_OFFSET 0 388ADD_TEST_EQ(ROSALLOC_SLOT_NEXT_OFFSET, 389 static_cast<int32_t>(art::gc::allocator::RosAlloc::RunSlotNextOffset())) 390// Assert this so that we can avoid zeroing the next field by installing the class pointer. 391ADD_TEST_EQ(ROSALLOC_SLOT_NEXT_OFFSET, MIRROR_OBJECT_CLASS_OFFSET) 392 393#define THREAD_SUSPEND_REQUEST 1 394ADD_TEST_EQ(THREAD_SUSPEND_REQUEST, static_cast<int32_t>(art::kSuspendRequest)) 395 396#define THREAD_CHECKPOINT_REQUEST 2 397ADD_TEST_EQ(THREAD_CHECKPOINT_REQUEST, static_cast<int32_t>(art::kCheckpointRequest)) 398 399#define JIT_CHECK_OSR -1 400ADD_TEST_EQ(JIT_CHECK_OSR, static_cast<int32_t>(art::jit::kJitCheckForOSR)) 401 402#define JIT_HOTNESS_DISABLE -2 403ADD_TEST_EQ(JIT_HOTNESS_DISABLE, static_cast<int32_t>(art::jit::kJitHotnessDisabled)) 404 405#if defined(__cplusplus) 406} // End of CheckAsmSupportOffsets. 407#endif 408 409#endif // ART_RUNTIME_ASM_SUPPORT_H_ 410