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_MIRROR_ART_METHOD_INL_H_ 18 #define ART_RUNTIME_MIRROR_ART_METHOD_INL_H_ 19 20 #include "art_method.h" 21 22 #include "dex_file.h" 23 #include "entrypoints/entrypoint_utils.h" 24 #include "object_array.h" 25 #include "runtime.h" 26 27 namespace art { 28 namespace mirror { 29 30 inline Class* ArtMethod::GetDeclaringClass() const { 31 Class* result = GetFieldObject<Class*>(OFFSET_OF_OBJECT_MEMBER(ArtMethod, declaring_class_), false); 32 DCHECK(result != NULL) << this; 33 DCHECK(result->IsIdxLoaded() || result->IsErroneous()) << this; 34 return result; 35 } 36 37 inline void ArtMethod::SetDeclaringClass(Class *new_declaring_class) { 38 SetFieldObject(OFFSET_OF_OBJECT_MEMBER(ArtMethod, declaring_class_), new_declaring_class, false); 39 } 40 41 inline uint32_t ArtMethod::GetAccessFlags() const { 42 DCHECK(GetDeclaringClass()->IsIdxLoaded() || GetDeclaringClass()->IsErroneous()); 43 return GetField32(OFFSET_OF_OBJECT_MEMBER(ArtMethod, access_flags_), false); 44 } 45 46 inline uint16_t ArtMethod::GetMethodIndex() const { 47 DCHECK(GetDeclaringClass()->IsResolved() || GetDeclaringClass()->IsErroneous()); 48 return GetField32(OFFSET_OF_OBJECT_MEMBER(ArtMethod, method_index_), false); 49 } 50 51 inline uint32_t ArtMethod::GetDexMethodIndex() const { 52 #ifdef ART_SEA_IR_MODE 53 // TODO: Re-add this check for (PORTABLE + SMALL + ) SEA IR when PORTABLE IS fixed! 54 // DCHECK(GetDeclaringClass()->IsLoaded() || GetDeclaringClass()->IsErroneous()); 55 #else 56 DCHECK(GetDeclaringClass()->IsLoaded() || GetDeclaringClass()->IsErroneous()); 57 #endif 58 return GetField32(OFFSET_OF_OBJECT_MEMBER(ArtMethod, method_dex_index_), false); 59 } 60 61 inline ObjectArray<String>* ArtMethod::GetDexCacheStrings() const { 62 return GetFieldObject<ObjectArray<String>*>( 63 OFFSET_OF_OBJECT_MEMBER(ArtMethod, dex_cache_strings_), false); 64 } 65 66 inline ObjectArray<ArtMethod>* ArtMethod::GetDexCacheResolvedMethods() const { 67 return GetFieldObject<ObjectArray<ArtMethod>*>( 68 OFFSET_OF_OBJECT_MEMBER(ArtMethod, dex_cache_resolved_methods_), false); 69 } 70 71 inline ObjectArray<Class>* ArtMethod::GetDexCacheResolvedTypes() const { 72 return GetFieldObject<ObjectArray<Class>*>( 73 OFFSET_OF_OBJECT_MEMBER(ArtMethod, dex_cache_resolved_types_), false); 74 } 75 76 inline ObjectArray<StaticStorageBase>* ArtMethod::GetDexCacheInitializedStaticStorage() const { 77 return GetFieldObject<ObjectArray<StaticStorageBase>*>( 78 OFFSET_OF_OBJECT_MEMBER(ArtMethod, dex_cache_initialized_static_storage_), 79 false); 80 } 81 82 inline uint32_t ArtMethod::GetCodeSize() const { 83 DCHECK(!IsRuntimeMethod() && !IsProxyMethod()) << PrettyMethod(this); 84 uintptr_t code = reinterpret_cast<uintptr_t>(GetEntryPointFromCompiledCode()); 85 if (code == 0) { 86 return 0; 87 } 88 // TODO: make this Thumb2 specific 89 code &= ~0x1; 90 return reinterpret_cast<uint32_t*>(code)[-1]; 91 } 92 93 inline bool ArtMethod::CheckIncompatibleClassChange(InvokeType type) { 94 switch (type) { 95 case kStatic: 96 return !IsStatic(); 97 case kDirect: 98 return !IsDirect() || IsStatic(); 99 case kVirtual: { 100 Class* methods_class = GetDeclaringClass(); 101 return IsDirect() || (methods_class->IsInterface() && !IsMiranda()); 102 } 103 case kSuper: 104 return false; // TODO: appropriate checks for call to super class. 105 case kInterface: { 106 Class* methods_class = GetDeclaringClass(); 107 return IsDirect() || !(methods_class->IsInterface() || methods_class->IsObjectClass()); 108 } 109 default: 110 LOG(FATAL) << "Unreachable - invocation type: " << type; 111 return true; 112 } 113 } 114 115 inline void ArtMethod::AssertPcIsWithinCode(uintptr_t pc) const { 116 if (!kIsDebugBuild) { 117 return; 118 } 119 if (IsNative() || IsRuntimeMethod() || IsProxyMethod()) { 120 return; 121 } 122 if (pc == GetQuickInstrumentationExitPc()) { 123 return; 124 } 125 const void* code = GetEntryPointFromCompiledCode(); 126 if (code == GetCompiledCodeToInterpreterBridge() || code == GetQuickInstrumentationEntryPoint()) { 127 return; 128 } 129 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 130 if (code == GetResolutionTrampoline(class_linker)) { 131 return; 132 } 133 DCHECK(IsWithinCode(pc)) 134 << PrettyMethod(this) 135 << " pc=" << std::hex << pc 136 << " code=" << code 137 << " size=" << GetCodeSize(); 138 } 139 140 inline uint32_t ArtMethod::GetOatCodeOffset() const { 141 DCHECK(!Runtime::Current()->IsStarted()); 142 return reinterpret_cast<uint32_t>(GetEntryPointFromCompiledCode()); 143 } 144 145 inline void ArtMethod::SetOatCodeOffset(uint32_t code_offset) { 146 DCHECK(!Runtime::Current()->IsStarted()); 147 SetEntryPointFromCompiledCode(reinterpret_cast<void*>(code_offset)); 148 } 149 150 inline uint32_t ArtMethod::GetOatMappingTableOffset() const { 151 DCHECK(!Runtime::Current()->IsStarted()); 152 return reinterpret_cast<uint32_t>(GetMappingTable()); 153 } 154 155 inline void ArtMethod::SetOatMappingTableOffset(uint32_t mapping_table_offset) { 156 DCHECK(!Runtime::Current()->IsStarted()); 157 SetMappingTable(reinterpret_cast<const uint8_t*>(mapping_table_offset)); 158 } 159 160 inline uint32_t ArtMethod::GetOatVmapTableOffset() const { 161 DCHECK(!Runtime::Current()->IsStarted()); 162 return reinterpret_cast<uint32_t>(GetVmapTable()); 163 } 164 165 inline void ArtMethod::SetOatVmapTableOffset(uint32_t vmap_table_offset) { 166 DCHECK(!Runtime::Current()->IsStarted()); 167 SetVmapTable(reinterpret_cast<uint8_t*>(vmap_table_offset)); 168 } 169 170 inline void ArtMethod::SetOatNativeGcMapOffset(uint32_t gc_map_offset) { 171 DCHECK(!Runtime::Current()->IsStarted()); 172 SetNativeGcMap(reinterpret_cast<uint8_t*>(gc_map_offset)); 173 } 174 175 inline uint32_t ArtMethod::GetOatNativeGcMapOffset() const { 176 DCHECK(!Runtime::Current()->IsStarted()); 177 return reinterpret_cast<uint32_t>(GetNativeGcMap()); 178 } 179 180 inline bool ArtMethod::IsRuntimeMethod() const { 181 return GetDexMethodIndex() == DexFile::kDexNoIndex; 182 } 183 184 inline bool ArtMethod::IsCalleeSaveMethod() const { 185 if (!IsRuntimeMethod()) { 186 return false; 187 } 188 Runtime* runtime = Runtime::Current(); 189 bool result = false; 190 for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) { 191 if (this == runtime->GetCalleeSaveMethod(Runtime::CalleeSaveType(i))) { 192 result = true; 193 break; 194 } 195 } 196 return result; 197 } 198 199 inline bool ArtMethod::IsResolutionMethod() const { 200 bool result = this == Runtime::Current()->GetResolutionMethod(); 201 // Check that if we do think it is phony it looks like the resolution method. 202 DCHECK(!result || IsRuntimeMethod()); 203 return result; 204 } 205 } // namespace mirror 206 } // namespace art 207 208 #endif // ART_RUNTIME_MIRROR_ART_METHOD_INL_H_ 209
