1 /* 2 * Copyright (C) 2014 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_OAT_FILE_INL_H_ 18 #define ART_RUNTIME_OAT_FILE_INL_H_ 19 20 #include "oat_file.h" 21 22 namespace art { 23 24 inline const OatQuickMethodHeader* OatFile::OatMethod::GetOatQuickMethodHeader() const { 25 const void* code = mirror::ArtMethod::EntryPointToCodePointer(GetQuickCode()); 26 if (code == nullptr) { 27 return nullptr; 28 } 29 // Return a pointer to the packed struct before the code. 30 return reinterpret_cast<const OatQuickMethodHeader*>(code) - 1; 31 } 32 33 inline uint32_t OatFile::OatMethod::GetOatQuickMethodHeaderOffset() const { 34 const OatQuickMethodHeader* method_header = GetOatQuickMethodHeader(); 35 if (method_header == nullptr) { 36 return 0u; 37 } 38 return reinterpret_cast<const byte*>(method_header) - begin_; 39 } 40 41 inline uint32_t OatFile::OatMethod::GetQuickCodeSize() const { 42 const void* code = mirror::ArtMethod::EntryPointToCodePointer(GetQuickCode()); 43 if (code == nullptr) { 44 return 0u; 45 } 46 return reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].code_size_; 47 } 48 49 inline uint32_t OatFile::OatMethod::GetQuickCodeSizeOffset() const { 50 const OatQuickMethodHeader* method_header = GetOatQuickMethodHeader(); 51 if (method_header == nullptr) { 52 return 0u; 53 } 54 return reinterpret_cast<const byte*>(&method_header->code_size_) - begin_; 55 } 56 57 inline size_t OatFile::OatMethod::GetFrameSizeInBytes() const { 58 const void* code = mirror::ArtMethod::EntryPointToCodePointer(GetQuickCode()); 59 if (code == nullptr) { 60 return 0u; 61 } 62 return reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].frame_info_.FrameSizeInBytes(); 63 } 64 65 inline uint32_t OatFile::OatMethod::GetCoreSpillMask() const { 66 const void* code = mirror::ArtMethod::EntryPointToCodePointer(GetQuickCode()); 67 if (code == nullptr) { 68 return 0u; 69 } 70 return reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].frame_info_.CoreSpillMask(); 71 } 72 73 inline uint32_t OatFile::OatMethod::GetFpSpillMask() const { 74 const void* code = mirror::ArtMethod::EntryPointToCodePointer(GetQuickCode()); 75 if (code == nullptr) { 76 return 0u; 77 } 78 return reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].frame_info_.FpSpillMask(); 79 } 80 81 const uint8_t* OatFile::OatMethod::GetGcMap() const { 82 const void* code = mirror::ArtMethod::EntryPointToCodePointer(GetQuickCode()); 83 if (code == nullptr) { 84 return nullptr; 85 } 86 uint32_t offset = reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].gc_map_offset_; 87 if (UNLIKELY(offset == 0u)) { 88 return nullptr; 89 } 90 return reinterpret_cast<const uint8_t*>(code) - offset; 91 } 92 93 uint32_t OatFile::OatMethod::GetGcMapOffset() const { 94 const uint8_t* gc_map = GetGcMap(); 95 return static_cast<uint32_t>(gc_map != nullptr ? gc_map - begin_ : 0u); 96 } 97 98 uint32_t OatFile::OatMethod::GetGcMapOffsetOffset() const { 99 const OatQuickMethodHeader* method_header = GetOatQuickMethodHeader(); 100 if (method_header == nullptr) { 101 return 0u; 102 } 103 return reinterpret_cast<const byte*>(&method_header->gc_map_offset_) - begin_; 104 } 105 106 inline uint32_t OatFile::OatMethod::GetMappingTableOffset() const { 107 const uint8_t* mapping_table = GetMappingTable(); 108 return static_cast<uint32_t>(mapping_table != nullptr ? mapping_table - begin_ : 0u); 109 } 110 111 inline uint32_t OatFile::OatMethod::GetMappingTableOffsetOffset() const { 112 const OatQuickMethodHeader* method_header = GetOatQuickMethodHeader(); 113 if (method_header == nullptr) { 114 return 0u; 115 } 116 return reinterpret_cast<const byte*>(&method_header->mapping_table_offset_) - begin_; 117 } 118 119 inline uint32_t OatFile::OatMethod::GetVmapTableOffset() const { 120 const uint8_t* vmap_table = GetVmapTable(); 121 return static_cast<uint32_t>(vmap_table != nullptr ? vmap_table - begin_ : 0u); 122 } 123 124 inline uint32_t OatFile::OatMethod::GetVmapTableOffsetOffset() const { 125 const OatQuickMethodHeader* method_header = GetOatQuickMethodHeader(); 126 if (method_header == nullptr) { 127 return 0u; 128 } 129 return reinterpret_cast<const byte*>(&method_header->vmap_table_offset_) - begin_; 130 } 131 132 inline const uint8_t* OatFile::OatMethod::GetMappingTable() const { 133 const void* code = mirror::ArtMethod::EntryPointToCodePointer(GetQuickCode()); 134 if (code == nullptr) { 135 return nullptr; 136 } 137 uint32_t offset = reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].mapping_table_offset_; 138 if (UNLIKELY(offset == 0u)) { 139 return nullptr; 140 } 141 return reinterpret_cast<const uint8_t*>(code) - offset; 142 } 143 144 inline const uint8_t* OatFile::OatMethod::GetVmapTable() const { 145 const void* code = mirror::ArtMethod::EntryPointToCodePointer(GetQuickCode()); 146 if (code == nullptr) { 147 return nullptr; 148 } 149 uint32_t offset = reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].vmap_table_offset_; 150 if (UNLIKELY(offset == 0u)) { 151 return nullptr; 152 } 153 return reinterpret_cast<const uint8_t*>(code) - offset; 154 } 155 156 } // namespace art 157 158 #endif // ART_RUNTIME_OAT_FILE_INL_H_ 159
