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 #include "oat_quick_method_header.h" 22 23 namespace art { 24 GetOatQuickMethodHeader()25inline const OatQuickMethodHeader* OatFile::OatMethod::GetOatQuickMethodHeader() const { 26 const void* code = EntryPointToCodePointer(GetOatPointer<const void*>(code_offset_)); 27 if (code == nullptr) { 28 return nullptr; 29 } 30 // Return a pointer to the packed struct before the code. 31 return reinterpret_cast<const OatQuickMethodHeader*>(code) - 1; 32 } 33 GetOatQuickMethodHeaderOffset()34inline uint32_t OatFile::OatMethod::GetOatQuickMethodHeaderOffset() const { 35 const OatQuickMethodHeader* method_header = GetOatQuickMethodHeader(); 36 if (method_header == nullptr) { 37 return 0u; 38 } 39 return reinterpret_cast<const uint8_t*>(method_header) - begin_; 40 } 41 GetQuickCodeSizeOffset()42inline uint32_t OatFile::OatMethod::GetQuickCodeSizeOffset() const { 43 const OatQuickMethodHeader* method_header = GetOatQuickMethodHeader(); 44 if (method_header == nullptr) { 45 return 0u; 46 } 47 return reinterpret_cast<const uint8_t*>(&method_header->code_size_) - begin_; 48 } 49 GetFrameSizeInBytes()50inline size_t OatFile::OatMethod::GetFrameSizeInBytes() const { 51 const void* code = EntryPointToCodePointer(GetQuickCode()); 52 if (code == nullptr) { 53 return 0u; 54 } 55 return reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].frame_info_.FrameSizeInBytes(); 56 } 57 GetCoreSpillMask()58inline uint32_t OatFile::OatMethod::GetCoreSpillMask() const { 59 const void* code = EntryPointToCodePointer(GetQuickCode()); 60 if (code == nullptr) { 61 return 0u; 62 } 63 return reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].frame_info_.CoreSpillMask(); 64 } 65 GetFpSpillMask()66inline uint32_t OatFile::OatMethod::GetFpSpillMask() const { 67 const void* code = EntryPointToCodePointer(GetQuickCode()); 68 if (code == nullptr) { 69 return 0u; 70 } 71 return reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].frame_info_.FpSpillMask(); 72 } 73 GetVmapTableOffset()74inline uint32_t OatFile::OatMethod::GetVmapTableOffset() const { 75 const uint8_t* vmap_table = GetVmapTable(); 76 return static_cast<uint32_t>(vmap_table != nullptr ? vmap_table - begin_ : 0u); 77 } 78 GetVmapTableOffsetOffset()79inline uint32_t OatFile::OatMethod::GetVmapTableOffsetOffset() const { 80 const OatQuickMethodHeader* method_header = GetOatQuickMethodHeader(); 81 if (method_header == nullptr) { 82 return 0u; 83 } 84 return reinterpret_cast<const uint8_t*>(&method_header->vmap_table_offset_) - begin_; 85 } 86 GetVmapTable()87inline const uint8_t* OatFile::OatMethod::GetVmapTable() const { 88 const void* code = EntryPointToCodePointer(GetOatPointer<const void*>(code_offset_)); 89 if (code == nullptr) { 90 return nullptr; 91 } 92 uint32_t offset = reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].vmap_table_offset_; 93 if (UNLIKELY(offset == 0u)) { 94 return nullptr; 95 } 96 return reinterpret_cast<const uint8_t*>(code) - offset; 97 } 98 GetQuickCodeSize()99inline uint32_t OatFile::OatMethod::GetQuickCodeSize() const { 100 const void* code = EntryPointToCodePointer(GetOatPointer<const void*>(code_offset_)); 101 if (code == nullptr) { 102 return 0u; 103 } 104 return reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].code_size_; 105 } 106 GetCodeOffset()107inline uint32_t OatFile::OatMethod::GetCodeOffset() const { 108 return (GetQuickCodeSize() == 0) ? 0 : code_offset_; 109 } 110 GetQuickCode()111inline const void* OatFile::OatMethod::GetQuickCode() const { 112 return GetOatPointer<const void*>(GetCodeOffset()); 113 } 114 115 } // namespace art 116 117 #endif // ART_RUNTIME_OAT_FILE_INL_H_ 118