1524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray/* 2524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * Copyright (C) 2011 The Android Open Source Project 3524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * 4524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * Licensed under the Apache License, Version 2.0 (the "License"); 5524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * you may not use this file except in compliance with the License. 6524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * You may obtain a copy of the License at 7524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * 8524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * http://www.apache.org/licenses/LICENSE-2.0 9524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * 10524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * Unless required by applicable law or agreed to in writing, software 11524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * distributed under the License is distributed on an "AS IS" BASIS, 12524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * See the License for the specific language governing permissions and 14524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray * limitations under the License. 15524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray */ 16524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 17524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray#ifndef ART_RUNTIME_OAT_QUICK_METHOD_HEADER_H_ 18524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray#define ART_RUNTIME_OAT_QUICK_METHOD_HEADER_H_ 19524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 20524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray#include "arch/instruction_set.h" 21524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray#include "base/macros.h" 228f4b056427a9d2321e3aa4f21ca8ffb18b3e5ae6David Sehr#include "base/utils.h" 23cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier#include "method_info.h" 248cf9cb386cd9286d67e879f1ee501ec00d72a4e1Andreas Gampe#include "quick/quick_method_frame_info.h" 25524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray#include "stack_map.h" 26524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 27524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffraynamespace art { 28524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 29524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffrayclass ArtMethod; 30524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 31524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray// OatQuickMethodHeader precedes the raw code chunk generated by the compiler. 32524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffrayclass PACKED(4) OatQuickMethodHeader { 33524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray public: 34cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier OatQuickMethodHeader() = default; 35cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier explicit OatQuickMethodHeader(uint32_t vmap_table_offset, 36cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier uint32_t method_info_offset, 37cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier uint32_t frame_size_in_bytes, 38cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier uint32_t core_spill_mask, 39cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier uint32_t fp_spill_mask, 40cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier uint32_t code_size); 41524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 42524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray ~OatQuickMethodHeader(); 43524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 441dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray static OatQuickMethodHeader* FromCodePointer(const void* code_ptr) { 451dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray uintptr_t code = reinterpret_cast<uintptr_t>(code_ptr); 461dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray uintptr_t header = code - OFFSETOF_MEMBER(OatQuickMethodHeader, code_); 47562ff44698fc75f82e1f6cb0b71ce21df4328959Vladimir Marko DCHECK(IsAlignedParam(code, GetInstructionSetAlignment(kRuntimeISA)) || 48dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao IsAlignedParam(header, GetInstructionSetAlignment(kRuntimeISA))) 49dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao << std::hex << code << " " << std::hex << header; 501dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray return reinterpret_cast<OatQuickMethodHeader*>(header); 511dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray } 521dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray 531dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray static OatQuickMethodHeader* FromEntryPoint(const void* entry_point) { 541dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray return FromCodePointer(EntryPointToCodePointer(entry_point)); 551dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray } 561dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray 572665bc8159698429f20a08f814e63c434910d608Yi Kong OatQuickMethodHeader(const OatQuickMethodHeader&) = default; 58524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray OatQuickMethodHeader& operator=(const OatQuickMethodHeader&) = default; 59524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 60524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray uintptr_t NativeQuickPcOffset(const uintptr_t pc) const { 61524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray return pc - reinterpret_cast<uintptr_t>(GetEntryPoint()); 62524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray } 63524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 64524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray bool IsOptimized() const { 65063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang return GetCodeSize() != 0 && vmap_table_offset_ != 0; 66524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray } 67524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 685d950769b607b4f76413212db640a32d796911deDavid Srbecky const void* GetOptimizedCodeInfoPtr() const { 69524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray DCHECK(IsOptimized()); 70cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier return reinterpret_cast<const void*>(code_ - vmap_table_offset_); 715d950769b607b4f76413212db640a32d796911deDavid Srbecky } 725d950769b607b4f76413212db640a32d796911deDavid Srbecky 73132d8363bf8cb043d910836672192ec8c36649b6Nicolas Geoffray uint8_t* GetOptimizedCodeInfoPtr() { 74132d8363bf8cb043d910836672192ec8c36649b6Nicolas Geoffray DCHECK(IsOptimized()); 75132d8363bf8cb043d910836672192ec8c36649b6Nicolas Geoffray return code_ - vmap_table_offset_; 76132d8363bf8cb043d910836672192ec8c36649b6Nicolas Geoffray } 77132d8363bf8cb043d910836672192ec8c36649b6Nicolas Geoffray 785d950769b607b4f76413212db640a32d796911deDavid Srbecky CodeInfo GetOptimizedCodeInfo() const { 795d950769b607b4f76413212db640a32d796911deDavid Srbecky return CodeInfo(GetOptimizedCodeInfoPtr()); 80524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray } 81524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 82cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier const void* GetOptimizedMethodInfoPtr() const { 83cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier DCHECK(IsOptimized()); 84cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier return reinterpret_cast<const void*>(code_ - method_info_offset_); 85cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier } 86cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier 87cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier uint8_t* GetOptimizedMethodInfoPtr() { 88cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier DCHECK(IsOptimized()); 89cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier return code_ - method_info_offset_; 90cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier } 91cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier 92cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier MethodInfo GetOptimizedMethodInfo() const { 93cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier return MethodInfo(reinterpret_cast<const uint8_t*>(GetOptimizedMethodInfoPtr())); 94cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier } 95cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier 96524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray const uint8_t* GetCode() const { 97524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray return code_; 98524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray } 99524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 1005d950769b607b4f76413212db640a32d796911deDavid Srbecky uint32_t GetCodeSize() const { 101063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang return code_size_ & kCodeSizeMask; 102063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang } 103063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang 104063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang const uint32_t* GetCodeSizeAddr() const { 105063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang return &code_size_; 106063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang } 107063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang 108063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang uint32_t GetVmapTableOffset() const { 109063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang return vmap_table_offset_; 110063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang } 111063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang 112063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang void SetVmapTableOffset(uint32_t offset) { 113063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang vmap_table_offset_ = offset; 114063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang } 115063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang 116063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang const uint32_t* GetVmapTableOffsetAddr() const { 117063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang return &vmap_table_offset_; 1185d950769b607b4f76413212db640a32d796911deDavid Srbecky } 1195d950769b607b4f76413212db640a32d796911deDavid Srbecky 120cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier uint32_t GetMethodInfoOffset() const { 121cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier return method_info_offset_; 122cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier } 123cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier 124cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier void SetMethodInfoOffset(uint32_t offset) { 125cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier method_info_offset_ = offset; 126cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier } 127cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier 128cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier const uint32_t* GetMethodInfoOffsetAddr() const { 129cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier return &method_info_offset_; 130cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier } 131cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier 132524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray const uint8_t* GetVmapTable() const { 133524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray CHECK(!IsOptimized()) << "Unimplemented vmap table for optimizing compiler"; 134524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray return (vmap_table_offset_ == 0) ? nullptr : code_ - vmap_table_offset_; 135524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray } 136524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 137524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray bool Contains(uintptr_t pc) const { 138524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray uintptr_t code_start = reinterpret_cast<uintptr_t>(code_); 13933bff25bcd7a02d35c54f63740eadb1a4833fc92Vladimir Marko static_assert(kRuntimeISA != InstructionSet::kThumb2, "kThumb2 cannot be a runtime ISA"); 14033bff25bcd7a02d35c54f63740eadb1a4833fc92Vladimir Marko if (kRuntimeISA == InstructionSet::kArm) { 1411dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray // On Thumb-2, the pc is offset by one. 1421dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray code_start++; 1431dad3f68b7f5a4a4cb2b281413357adc2309a8fdNicolas Geoffray } 144063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang return code_start <= pc && pc <= (code_start + GetCodeSize()); 145524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray } 146524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 147524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray const uint8_t* GetEntryPoint() const { 148524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray // When the runtime architecture is ARM, `kRuntimeISA` is set to `kArm` 149524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray // (not `kThumb2`), *but* we always generate code for the Thumb-2 150524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray // instruction set anyway. Thumb-2 requires the entrypoint to be of 151524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray // offset 1. 15233bff25bcd7a02d35c54f63740eadb1a4833fc92Vladimir Marko static_assert(kRuntimeISA != InstructionSet::kThumb2, "kThumb2 cannot be a runtime ISA"); 15333bff25bcd7a02d35c54f63740eadb1a4833fc92Vladimir Marko return (kRuntimeISA == InstructionSet::kArm) 154524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray ? reinterpret_cast<uint8_t*>(reinterpret_cast<uintptr_t>(code_) | 1) 155524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray : code_; 156524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray } 157524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 158524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray template <bool kCheckFrameSize = true> 159b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray uint32_t GetFrameSizeInBytes() const { 160524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray uint32_t result = frame_info_.FrameSizeInBytes(); 161524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray if (kCheckFrameSize) { 1626832fbe366dd4fc79daa8976f8edbe78d4591649David Srbecky DCHECK_ALIGNED(result, kStackAlignment); 163524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray } 164524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray return result; 165524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray } 166524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 167524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray QuickMethodFrameInfo GetFrameInfo() const { 168524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray return frame_info_; 169524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray } 170524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 171524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray uintptr_t ToNativeQuickPc(ArtMethod* method, 172524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray const uint32_t dex_pc, 173524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray bool is_for_catch_handler, 174524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray bool abort_on_failure = true) const; 175524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 176524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray uint32_t ToDexPc(ArtMethod* method, const uintptr_t pc, bool abort_on_failure = true) const; 177524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 178063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang void SetHasShouldDeoptimizeFlag() { 179063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang DCHECK_EQ(code_size_ & kShouldDeoptimizeMask, 0u); 180063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang code_size_ |= kShouldDeoptimizeMask; 181063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang } 182063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang 183063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang bool HasShouldDeoptimizeFlag() const { 184063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang return (code_size_ & kShouldDeoptimizeMask) != 0; 185063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang } 186063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang 187063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang private: 188063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang static constexpr uint32_t kShouldDeoptimizeMask = 0x80000000; 189063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang static constexpr uint32_t kCodeSizeMask = ~kShouldDeoptimizeMask; 190063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang 191524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray // The offset in bytes from the start of the vmap table to the end of the header. 192cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier uint32_t vmap_table_offset_ = 0u; 193cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier // The offset in bytes from the start of the method info to the end of the header. 194cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier // The method info offset is not in the CodeInfo since CodeInfo has good dedupe properties that 195cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier // would be lost from doing so. The method info memory region contains method indices since they 196cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier // are hard to dedupe. 197cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier uint32_t method_info_offset_ = 0u; 198524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray // The stack frame information. 199524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray QuickMethodFrameInfo frame_info_; 200063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang // The code size in bytes. The highest bit is used to signify if the compiled 201063fc772b5b8aed7d769cd7cccb6ddc7619326eeMingyao Yang // code with the method header has should_deoptimize flag. 202cbcedbf9382bc773713cd3552ed96f417bf1daebMathieu Chartier uint32_t code_size_ = 0u; 203524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray // The actual code. 204524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray uint8_t code_[0]; 205524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray}; 206524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 207524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray} // namespace art 208524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray 209524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray#endif // ART_RUNTIME_OAT_QUICK_METHOD_HEADER_H_ 210