| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ART_RUNTIME_MIRROR_ART_METHOD_INL_H_ |
| #define ART_RUNTIME_MIRROR_ART_METHOD_INL_H_ |
| |
| #include "art_method.h" |
| |
| #include "art_field.h" |
| #include "class.h" |
| #include "class_linker.h" |
| #include "dex_cache.h" |
| #include "dex_file.h" |
| #include "dex_file-inl.h" |
| #include "object-inl.h" |
| #include "object_array.h" |
| #include "oat.h" |
| #include "quick/quick_method_frame_info.h" |
| #include "read_barrier-inl.h" |
| #include "runtime-inl.h" |
| |
| namespace art { |
| namespace mirror { |
| |
| inline uint32_t ArtMethod::ClassSize() { |
| uint32_t vtable_entries = Object::kVTableLength + 8; |
| return Class::ComputeClassSize(true, vtable_entries, 0, 0, 0, 0, 0); |
| } |
| |
| template<ReadBarrierOption kReadBarrierOption> |
| inline Class* ArtMethod::GetJavaLangReflectArtMethod() { |
| DCHECK(!java_lang_reflect_ArtMethod_.IsNull()); |
| return java_lang_reflect_ArtMethod_.Read<kReadBarrierOption>(); |
| } |
| |
| inline Class* ArtMethod::GetDeclaringClass() { |
| Class* result = GetFieldObject<Class>(OFFSET_OF_OBJECT_MEMBER(ArtMethod, declaring_class_)); |
| DCHECK(result != NULL) << this; |
| DCHECK(result->IsIdxLoaded() || result->IsErroneous()) << this; |
| return result; |
| } |
| |
| inline void ArtMethod::SetDeclaringClass(Class *new_declaring_class) { |
| SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(ArtMethod, declaring_class_), |
| new_declaring_class); |
| } |
| |
| inline uint32_t ArtMethod::GetAccessFlags() { |
| DCHECK(GetDeclaringClass()->IsIdxLoaded() || GetDeclaringClass()->IsErroneous()); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(ArtMethod, access_flags_)); |
| } |
| |
| inline uint16_t ArtMethod::GetMethodIndex() { |
| DCHECK(GetDeclaringClass()->IsResolved() || GetDeclaringClass()->IsErroneous()); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(ArtMethod, method_index_)); |
| } |
| |
| inline uint16_t ArtMethod::GetMethodIndexDuringLinking() { |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(ArtMethod, method_index_)); |
| } |
| |
| inline uint32_t ArtMethod::GetDexMethodIndex() { |
| DCHECK(GetDeclaringClass()->IsLoaded() || GetDeclaringClass()->IsErroneous()); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(ArtMethod, dex_method_index_)); |
| } |
| |
| inline ObjectArray<ArtMethod>* ArtMethod::GetDexCacheResolvedMethods() { |
| return GetFieldObject<ObjectArray<ArtMethod>>( |
| OFFSET_OF_OBJECT_MEMBER(ArtMethod, dex_cache_resolved_methods_)); |
| } |
| |
| inline ArtMethod* ArtMethod::GetDexCacheResolvedMethod(uint16_t method_index) { |
| ArtMethod* method = GetDexCacheResolvedMethods()->Get(method_index); |
| if (method != nullptr && !method->GetDeclaringClass()->IsErroneous()) { |
| return method; |
| } else { |
| return nullptr; |
| } |
| } |
| |
| inline void ArtMethod::SetDexCacheResolvedMethod(uint16_t method_idx, ArtMethod* new_method) { |
| GetDexCacheResolvedMethods()->Set<false>(method_idx, new_method); |
| } |
| |
| inline bool ArtMethod::HasDexCacheResolvedMethods() { |
| return GetDexCacheResolvedMethods() != nullptr; |
| } |
| |
| inline bool ArtMethod::HasSameDexCacheResolvedMethods(ObjectArray<ArtMethod>* other_cache) { |
| return GetDexCacheResolvedMethods() == other_cache; |
| } |
| |
| inline bool ArtMethod::HasSameDexCacheResolvedMethods(ArtMethod* other) { |
| return GetDexCacheResolvedMethods() == other->GetDexCacheResolvedMethods(); |
| } |
| |
| |
| inline ObjectArray<Class>* ArtMethod::GetDexCacheResolvedTypes() { |
| return GetFieldObject<ObjectArray<Class>>( |
| OFFSET_OF_OBJECT_MEMBER(ArtMethod, dex_cache_resolved_types_)); |
| } |
| |
| template <bool kWithCheck> |
| inline Class* ArtMethod::GetDexCacheResolvedType(uint32_t type_index) { |
| Class* klass; |
| if (kWithCheck) { |
| klass = GetDexCacheResolvedTypes()->Get(type_index); |
| } else { |
| klass = GetDexCacheResolvedTypes()->GetWithoutChecks(type_index); |
| } |
| return (klass != nullptr && !klass->IsErroneous()) ? klass : nullptr; |
| } |
| |
| inline bool ArtMethod::HasDexCacheResolvedTypes() { |
| return GetDexCacheResolvedTypes() != nullptr; |
| } |
| |
| inline bool ArtMethod::HasSameDexCacheResolvedTypes(ObjectArray<Class>* other_cache) { |
| return GetDexCacheResolvedTypes() == other_cache; |
| } |
| |
| inline bool ArtMethod::HasSameDexCacheResolvedTypes(ArtMethod* other) { |
| return GetDexCacheResolvedTypes() == other->GetDexCacheResolvedTypes(); |
| } |
| |
| inline mirror::Class* ArtMethod::GetClassFromTypeIndex(uint16_t type_idx, bool resolve) { |
| mirror::Class* type = GetDexCacheResolvedType(type_idx); |
| if (type == nullptr && resolve) { |
| type = Runtime::Current()->GetClassLinker()->ResolveType(type_idx, this); |
| CHECK(type != nullptr || Thread::Current()->IsExceptionPending()); |
| } |
| return type; |
| } |
| |
| inline uint32_t ArtMethod::GetCodeSize() { |
| DCHECK(!IsRuntimeMethod() && !IsProxyMethod()) << PrettyMethod(this); |
| return GetCodeSize(EntryPointToCodePointer(GetEntryPointFromQuickCompiledCode())); |
| } |
| |
| inline uint32_t ArtMethod::GetCodeSize(const void* code) { |
| if (code == nullptr) { |
| return 0u; |
| } |
| return reinterpret_cast<const OatQuickMethodHeader*>(code)[-1].code_size_; |
| } |
| |
| inline bool ArtMethod::CheckIncompatibleClassChange(InvokeType type) { |
| switch (type) { |
| case kStatic: |
| return !IsStatic(); |
| case kDirect: |
| return !IsDirect() || IsStatic(); |
| case kVirtual: { |
| Class* methods_class = GetDeclaringClass(); |
| return IsDirect() || (methods_class->IsInterface() && !IsMiranda()); |
| } |
| case kSuper: |
| // Constructors and static methods are called with invoke-direct. |
| // Interface methods cannot be invoked with invoke-super. |
| return IsConstructor() || IsStatic() || GetDeclaringClass()->IsInterface(); |
| case kInterface: { |
| Class* methods_class = GetDeclaringClass(); |
| return IsDirect() || !(methods_class->IsInterface() || methods_class->IsObjectClass()); |
| } |
| default: |
| LOG(FATAL) << "Unreachable - invocation type: " << type; |
| UNREACHABLE(); |
| } |
| } |
| |
| inline uint32_t ArtMethod::GetQuickOatCodeOffset() { |
| DCHECK(!Runtime::Current()->IsStarted()); |
| return PointerToLowMemUInt32(GetEntryPointFromQuickCompiledCode()); |
| } |
| |
| inline void ArtMethod::SetQuickOatCodeOffset(uint32_t code_offset) { |
| DCHECK(!Runtime::Current()->IsStarted()); |
| SetEntryPointFromQuickCompiledCode(reinterpret_cast<void*>(code_offset)); |
| } |
| |
| inline const uint8_t* ArtMethod::GetMappingTable(size_t pointer_size) { |
| const void* code_pointer = GetQuickOatCodePointer(pointer_size); |
| if (code_pointer == nullptr) { |
| return nullptr; |
| } |
| return GetMappingTable(code_pointer, pointer_size); |
| } |
| |
| inline const uint8_t* ArtMethod::GetMappingTable(const void* code_pointer, size_t pointer_size) { |
| DCHECK(code_pointer != nullptr); |
| DCHECK_EQ(code_pointer, GetQuickOatCodePointer(pointer_size)); |
| uint32_t offset = |
| reinterpret_cast<const OatQuickMethodHeader*>(code_pointer)[-1].mapping_table_offset_; |
| if (UNLIKELY(offset == 0u)) { |
| return nullptr; |
| } |
| return reinterpret_cast<const uint8_t*>(code_pointer) - offset; |
| } |
| |
| inline const uint8_t* ArtMethod::GetVmapTable(size_t pointer_size) { |
| const void* code_pointer = GetQuickOatCodePointer(pointer_size); |
| if (code_pointer == nullptr) { |
| return nullptr; |
| } |
| return GetVmapTable(code_pointer, pointer_size); |
| } |
| |
| inline const uint8_t* ArtMethod::GetVmapTable(const void* code_pointer, size_t pointer_size) { |
| CHECK(!IsOptimized(pointer_size)) << "Unimplemented vmap table for optimized compiler"; |
| DCHECK(code_pointer != nullptr); |
| DCHECK_EQ(code_pointer, GetQuickOatCodePointer(pointer_size)); |
| uint32_t offset = |
| reinterpret_cast<const OatQuickMethodHeader*>(code_pointer)[-1].vmap_table_offset_; |
| if (UNLIKELY(offset == 0u)) { |
| return nullptr; |
| } |
| return reinterpret_cast<const uint8_t*>(code_pointer) - offset; |
| } |
| |
| inline StackMap ArtMethod::GetStackMap(uint32_t native_pc_offset) { |
| return GetOptimizedCodeInfo().GetStackMapForNativePcOffset(native_pc_offset); |
| } |
| |
| inline CodeInfo ArtMethod::GetOptimizedCodeInfo() { |
| DCHECK(IsOptimized(sizeof(void*))); |
| const void* code_pointer = GetQuickOatCodePointer(sizeof(void*)); |
| DCHECK(code_pointer != nullptr); |
| uint32_t offset = |
| reinterpret_cast<const OatQuickMethodHeader*>(code_pointer)[-1].vmap_table_offset_; |
| const void* data = reinterpret_cast<const void*>(reinterpret_cast<const uint8_t*>(code_pointer) - offset); |
| return CodeInfo(data); |
| } |
| |
| inline const uint8_t* ArtMethod::GetNativeGcMap(size_t pointer_size) { |
| const void* code_pointer = GetQuickOatCodePointer(pointer_size); |
| if (code_pointer == nullptr) { |
| return nullptr; |
| } |
| return GetNativeGcMap(code_pointer, pointer_size); |
| } |
| |
| inline const uint8_t* ArtMethod::GetNativeGcMap(const void* code_pointer, size_t pointer_size) { |
| DCHECK(code_pointer != nullptr); |
| DCHECK_EQ(code_pointer, GetQuickOatCodePointer(pointer_size)); |
| uint32_t offset = |
| reinterpret_cast<const OatQuickMethodHeader*>(code_pointer)[-1].gc_map_offset_; |
| if (UNLIKELY(offset == 0u)) { |
| return nullptr; |
| } |
| return reinterpret_cast<const uint8_t*>(code_pointer) - offset; |
| } |
| |
| inline bool ArtMethod::IsRuntimeMethod() { |
| return GetDexMethodIndex() == DexFile::kDexNoIndex; |
| } |
| |
| inline bool ArtMethod::IsCalleeSaveMethod() { |
| if (!IsRuntimeMethod()) { |
| return false; |
| } |
| Runtime* runtime = Runtime::Current(); |
| bool result = false; |
| for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) { |
| if (this == runtime->GetCalleeSaveMethod(Runtime::CalleeSaveType(i))) { |
| result = true; |
| break; |
| } |
| } |
| return result; |
| } |
| |
| inline bool ArtMethod::IsResolutionMethod() { |
| bool result = this == Runtime::Current()->GetResolutionMethod(); |
| // Check that if we do think it is phony it looks like the resolution method. |
| DCHECK(!result || IsRuntimeMethod()); |
| return result; |
| } |
| |
| inline bool ArtMethod::IsImtConflictMethod() { |
| bool result = this == Runtime::Current()->GetImtConflictMethod(); |
| // Check that if we do think it is phony it looks like the imt conflict method. |
| DCHECK(!result || IsRuntimeMethod()); |
| return result; |
| } |
| |
| inline bool ArtMethod::IsImtUnimplementedMethod() { |
| bool result = this == Runtime::Current()->GetImtUnimplementedMethod(); |
| // Check that if we do think it is phony it looks like the imt unimplemented method. |
| DCHECK(!result || IsRuntimeMethod()); |
| return result; |
| } |
| |
| inline uintptr_t ArtMethod::NativeQuickPcOffset(const uintptr_t pc) { |
| const void* code = Runtime::Current()->GetInstrumentation()->GetQuickCodeFor( |
| this, sizeof(void*)); |
| return pc - reinterpret_cast<uintptr_t>(code); |
| } |
| |
| inline QuickMethodFrameInfo ArtMethod::GetQuickFrameInfo(const void* code_pointer) { |
| DCHECK(code_pointer != nullptr); |
| DCHECK_EQ(code_pointer, GetQuickOatCodePointer(sizeof(void*))); |
| return reinterpret_cast<const OatQuickMethodHeader*>(code_pointer)[-1].frame_info_; |
| } |
| |
| inline const DexFile* ArtMethod::GetDexFile() { |
| return GetDexCache()->GetDexFile(); |
| } |
| |
| inline const char* ArtMethod::GetDeclaringClassDescriptor() { |
| mirror::ArtMethod* method = GetInterfaceMethodIfProxy(); |
| uint32_t dex_method_idx = method->GetDexMethodIndex(); |
| if (UNLIKELY(dex_method_idx == DexFile::kDexNoIndex)) { |
| return "<runtime method>"; |
| } |
| const DexFile* dex_file = method->GetDexFile(); |
| return dex_file->GetMethodDeclaringClassDescriptor(dex_file->GetMethodId(dex_method_idx)); |
| } |
| |
| inline const char* ArtMethod::GetShorty(uint32_t* out_length) { |
| mirror::ArtMethod* method = GetInterfaceMethodIfProxy(); |
| const DexFile* dex_file = method->GetDexFile(); |
| return dex_file->GetMethodShorty(dex_file->GetMethodId(method->GetDexMethodIndex()), out_length); |
| } |
| |
| inline const Signature ArtMethod::GetSignature() { |
| mirror::ArtMethod* method = GetInterfaceMethodIfProxy(); |
| uint32_t dex_method_idx = method->GetDexMethodIndex(); |
| if (dex_method_idx != DexFile::kDexNoIndex) { |
| const DexFile* dex_file = method->GetDexFile(); |
| return dex_file->GetMethodSignature(dex_file->GetMethodId(dex_method_idx)); |
| } |
| return Signature::NoSignature(); |
| } |
| |
| inline const char* ArtMethod::GetName() { |
| mirror::ArtMethod* method = GetInterfaceMethodIfProxy(); |
| uint32_t dex_method_idx = method->GetDexMethodIndex(); |
| if (LIKELY(dex_method_idx != DexFile::kDexNoIndex)) { |
| const DexFile* dex_file = method->GetDexFile(); |
| return dex_file->GetMethodName(dex_file->GetMethodId(dex_method_idx)); |
| } |
| Runtime* runtime = Runtime::Current(); |
| if (method == runtime->GetResolutionMethod()) { |
| return "<runtime internal resolution method>"; |
| } else if (method == runtime->GetImtConflictMethod()) { |
| return "<runtime internal imt conflict method>"; |
| } else if (method == runtime->GetCalleeSaveMethod(Runtime::kSaveAll)) { |
| return "<runtime internal callee-save all registers method>"; |
| } else if (method == runtime->GetCalleeSaveMethod(Runtime::kRefsOnly)) { |
| return "<runtime internal callee-save reference registers method>"; |
| } else if (method == runtime->GetCalleeSaveMethod(Runtime::kRefsAndArgs)) { |
| return "<runtime internal callee-save reference and argument registers method>"; |
| } else { |
| return "<unknown runtime internal method>"; |
| } |
| } |
| |
| inline const DexFile::CodeItem* ArtMethod::GetCodeItem() { |
| return GetDeclaringClass()->GetDexFile().GetCodeItem(GetCodeItemOffset()); |
| } |
| |
| inline bool ArtMethod::IsResolvedTypeIdx(uint16_t type_idx) { |
| mirror::ArtMethod* method = GetInterfaceMethodIfProxy(); |
| return method->GetDexCacheResolvedType(type_idx) != nullptr; |
| } |
| |
| inline int32_t ArtMethod::GetLineNumFromDexPC(uint32_t dex_pc) { |
| mirror::ArtMethod* method = GetInterfaceMethodIfProxy(); |
| if (dex_pc == DexFile::kDexNoIndex) { |
| return method->IsNative() ? -2 : -1; |
| } |
| return method->GetDexFile()->GetLineNumFromPC(method, dex_pc); |
| } |
| |
| inline const DexFile::ProtoId& ArtMethod::GetPrototype() { |
| mirror::ArtMethod* method = GetInterfaceMethodIfProxy(); |
| const DexFile* dex_file = method->GetDexFile(); |
| return dex_file->GetMethodPrototype(dex_file->GetMethodId(method->GetDexMethodIndex())); |
| } |
| |
| inline const DexFile::TypeList* ArtMethod::GetParameterTypeList() { |
| mirror::ArtMethod* method = GetInterfaceMethodIfProxy(); |
| const DexFile* dex_file = method->GetDexFile(); |
| const DexFile::ProtoId& proto = dex_file->GetMethodPrototype( |
| dex_file->GetMethodId(method->GetDexMethodIndex())); |
| return dex_file->GetProtoParameters(proto); |
| } |
| |
| inline const char* ArtMethod::GetDeclaringClassSourceFile() { |
| return GetInterfaceMethodIfProxy()->GetDeclaringClass()->GetSourceFile(); |
| } |
| |
| inline uint16_t ArtMethod::GetClassDefIndex() { |
| return GetInterfaceMethodIfProxy()->GetDeclaringClass()->GetDexClassDefIndex(); |
| } |
| |
| inline const DexFile::ClassDef& ArtMethod::GetClassDef() { |
| mirror::ArtMethod* method = GetInterfaceMethodIfProxy(); |
| return method->GetDexFile()->GetClassDef(GetClassDefIndex()); |
| } |
| |
| inline const char* ArtMethod::GetReturnTypeDescriptor() { |
| mirror::ArtMethod* method = GetInterfaceMethodIfProxy(); |
| const DexFile* dex_file = method->GetDexFile(); |
| const DexFile::MethodId& method_id = dex_file->GetMethodId(method->GetDexMethodIndex()); |
| const DexFile::ProtoId& proto_id = dex_file->GetMethodPrototype(method_id); |
| uint16_t return_type_idx = proto_id.return_type_idx_; |
| return dex_file->GetTypeDescriptor(dex_file->GetTypeId(return_type_idx)); |
| } |
| |
| inline const char* ArtMethod::GetTypeDescriptorFromTypeIdx(uint16_t type_idx) { |
| mirror::ArtMethod* method = GetInterfaceMethodIfProxy(); |
| const DexFile* dex_file = method->GetDexFile(); |
| return dex_file->GetTypeDescriptor(dex_file->GetTypeId(type_idx)); |
| } |
| |
| inline mirror::ClassLoader* ArtMethod::GetClassLoader() { |
| return GetInterfaceMethodIfProxy()->GetDeclaringClass()->GetClassLoader(); |
| } |
| |
| inline mirror::DexCache* ArtMethod::GetDexCache() { |
| return GetInterfaceMethodIfProxy()->GetDeclaringClass()->GetDexCache(); |
| } |
| |
| inline bool ArtMethod::IsProxyMethod() { |
| return GetDeclaringClass()->IsProxyClass(); |
| } |
| |
| inline ArtMethod* ArtMethod::GetInterfaceMethodIfProxy() { |
| if (LIKELY(!IsProxyMethod())) { |
| return this; |
| } |
| mirror::Class* klass = GetDeclaringClass(); |
| mirror::ArtMethod* interface_method = GetDexCacheResolvedMethods()->Get(GetDexMethodIndex()); |
| DCHECK(interface_method != nullptr); |
| DCHECK_EQ(interface_method, |
| Runtime::Current()->GetClassLinker()->FindMethodForProxy(klass, this)); |
| return interface_method; |
| } |
| |
| inline void ArtMethod::SetDexCacheResolvedMethods(ObjectArray<ArtMethod>* new_dex_cache_methods) { |
| SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(ArtMethod, dex_cache_resolved_methods_), |
| new_dex_cache_methods); |
| } |
| |
| inline void ArtMethod::SetDexCacheResolvedTypes(ObjectArray<Class>* new_dex_cache_classes) { |
| SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(ArtMethod, dex_cache_resolved_types_), |
| new_dex_cache_classes); |
| } |
| |
| inline mirror::Class* ArtMethod::GetReturnType(bool resolve) { |
| DCHECK(!IsProxyMethod()); |
| const DexFile* dex_file = GetDexFile(); |
| const DexFile::MethodId& method_id = dex_file->GetMethodId(GetDexMethodIndex()); |
| const DexFile::ProtoId& proto_id = dex_file->GetMethodPrototype(method_id); |
| uint16_t return_type_idx = proto_id.return_type_idx_; |
| mirror::Class* type = GetDexCacheResolvedType(return_type_idx); |
| if (type == nullptr && resolve) { |
| type = Runtime::Current()->GetClassLinker()->ResolveType(return_type_idx, this); |
| CHECK(type != nullptr || Thread::Current()->IsExceptionPending()); |
| } |
| return type; |
| } |
| |
| inline void ArtMethod::CheckObjectSizeEqualsMirrorSize() { |
| // Using the default, check the class object size to make sure it matches the size of the |
| // object. |
| size_t this_size = sizeof(*this); |
| #ifdef ART_METHOD_HAS_PADDING_FIELD_ON_64_BIT |
| this_size += sizeof(void*) - sizeof(uint32_t); |
| #endif |
| DCHECK_EQ(GetClass()->GetObjectSize(), this_size); |
| } |
| |
| } // namespace mirror |
| } // namespace art |
| |
| #endif // ART_RUNTIME_MIRROR_ART_METHOD_INL_H_ |