Move mirror::ArtMethod to native
Optimizing + quick tests are passing, devices boot.
TODO: Test and fix bugs in mips64.
Saves 16 bytes per most ArtMethod, 7.5MB reduction in system PSS.
Some of the savings are from removal of virtual methods and direct
methods object arrays.
Bug: 19264997
Change-Id: I622469a0cfa0e7082a2119f3d6a9491eb61e3f3d
diff --git a/runtime/art_method-inl.h b/runtime/art_method-inl.h
new file mode 100644
index 0000000..ad1ecea
--- /dev/null
+++ b/runtime/art_method-inl.h
@@ -0,0 +1,504 @@
+/*
+ * 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_ART_METHOD_INL_H_
+#define ART_RUNTIME_ART_METHOD_INL_H_
+
+#include "art_method.h"
+
+#include "art_field.h"
+#include "dex_file.h"
+#include "dex_file-inl.h"
+#include "gc_root-inl.h"
+#include "mirror/class-inl.h"
+#include "mirror/dex_cache.h"
+#include "mirror/object-inl.h"
+#include "mirror/object_array.h"
+#include "oat.h"
+#include "quick/quick_method_frame_info.h"
+#include "read_barrier-inl.h"
+#include "runtime-inl.h"
+#include "utils.h"
+
+namespace art {
+
+inline mirror::Class* ArtMethod::GetDeclaringClassUnchecked() {
+ return declaring_class_.Read();
+}
+
+inline mirror::Class* ArtMethod::GetDeclaringClassNoBarrier() {
+ return declaring_class_.Read<kWithoutReadBarrier>();
+}
+
+inline mirror::Class* ArtMethod::GetDeclaringClass() {
+ mirror::Class* result = GetDeclaringClassUnchecked();
+ if (kIsDebugBuild) {
+ if (!IsRuntimeMethod()) {
+ CHECK(result != nullptr) << this;
+ CHECK(result->IsIdxLoaded() || result->IsErroneous())
+ << result->GetStatus() << " " << PrettyClass(result);
+ } else {
+ CHECK(result == nullptr) << this;
+ }
+ }
+ return result;
+}
+
+inline void ArtMethod::SetDeclaringClass(mirror::Class* new_declaring_class) {
+ declaring_class_ = GcRoot<mirror::Class>(new_declaring_class);
+}
+
+inline uint32_t ArtMethod::GetAccessFlags() {
+ DCHECK(IsRuntimeMethod() || GetDeclaringClass()->IsIdxLoaded() ||
+ GetDeclaringClass()->IsErroneous());
+ return access_flags_;
+}
+
+inline uint16_t ArtMethod::GetMethodIndex() {
+ DCHECK(IsRuntimeMethod() || GetDeclaringClass()->IsResolved() ||
+ GetDeclaringClass()->IsErroneous());
+ return method_index_;
+}
+
+inline uint16_t ArtMethod::GetMethodIndexDuringLinking() {
+ return method_index_;
+}
+
+inline uint32_t ArtMethod::GetDexMethodIndex() {
+ DCHECK(IsRuntimeMethod() || GetDeclaringClass()->IsIdxLoaded() ||
+ GetDeclaringClass()->IsErroneous());
+ return dex_method_index_;
+}
+
+inline mirror::PointerArray* ArtMethod::GetDexCacheResolvedMethods() {
+ return dex_cache_resolved_methods_.Read();
+}
+
+inline ArtMethod* ArtMethod::GetDexCacheResolvedMethod(uint16_t method_index, size_t ptr_size) {
+ auto* method = GetDexCacheResolvedMethods()->GetElementPtrSize<ArtMethod*>(
+ method_index, ptr_size);
+ if (LIKELY(method != nullptr)) {
+ auto* declaring_class = method->GetDeclaringClass();
+ if (LIKELY(declaring_class == nullptr || !declaring_class->IsErroneous())) {
+ return method;
+ }
+ }
+ return nullptr;
+}
+
+inline void ArtMethod::SetDexCacheResolvedMethod(uint16_t method_idx, ArtMethod* new_method,
+ size_t ptr_size) {
+ DCHECK(new_method == nullptr || new_method->GetDeclaringClass() != nullptr);
+ GetDexCacheResolvedMethods()->SetElementPtrSize(method_idx, new_method, ptr_size);
+}
+
+inline bool ArtMethod::HasDexCacheResolvedMethods() {
+ return GetDexCacheResolvedMethods() != nullptr;
+}
+
+inline bool ArtMethod::HasSameDexCacheResolvedMethods(mirror::PointerArray* other_cache) {
+ return GetDexCacheResolvedMethods() == other_cache;
+}
+
+inline bool ArtMethod::HasSameDexCacheResolvedMethods(ArtMethod* other) {
+ return GetDexCacheResolvedMethods() == other->GetDexCacheResolvedMethods();
+}
+
+inline mirror::ObjectArray<mirror::Class>* ArtMethod::GetDexCacheResolvedTypes() {
+ return dex_cache_resolved_types_.Read();
+}
+
+template <bool kWithCheck>
+inline mirror::Class* ArtMethod::GetDexCacheResolvedType(uint32_t type_index) {
+ mirror::Class* klass = kWithCheck ?
+ GetDexCacheResolvedTypes()->Get(type_index) :
+ GetDexCacheResolvedTypes()->GetWithoutChecks(type_index);
+ return (klass != nullptr && !klass->IsErroneous()) ? klass : nullptr;
+}
+
+inline bool ArtMethod::HasDexCacheResolvedTypes() {
+ return GetDexCacheResolvedTypes() != nullptr;
+}
+
+inline bool ArtMethod::HasSameDexCacheResolvedTypes(
+ mirror::ObjectArray<mirror::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: {
+ mirror::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: {
+ mirror::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 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 dex_method_index_ == 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() {
+ uint32_t dex_method_idx = GetDexMethodIndex();
+ if (UNLIKELY(dex_method_idx == DexFile::kDexNoIndex)) {
+ return "<runtime method>";
+ }
+ DCHECK(!IsProxyMethod());
+ const DexFile* dex_file = GetDexFile();
+ return dex_file->GetMethodDeclaringClassDescriptor(dex_file->GetMethodId(dex_method_idx));
+}
+
+inline const char* ArtMethod::GetShorty(uint32_t* out_length) {
+ DCHECK(!IsProxyMethod());
+ const DexFile* dex_file = GetDexFile();
+ return dex_file->GetMethodShorty(dex_file->GetMethodId(GetDexMethodIndex()), out_length);
+}
+
+inline const Signature ArtMethod::GetSignature() {
+ uint32_t dex_method_idx = GetDexMethodIndex();
+ if (dex_method_idx != DexFile::kDexNoIndex) {
+ DCHECK(!IsProxyMethod());
+ const DexFile* dex_file = GetDexFile();
+ return dex_file->GetMethodSignature(dex_file->GetMethodId(dex_method_idx));
+ }
+ return Signature::NoSignature();
+}
+
+inline const char* ArtMethod::GetName() {
+ uint32_t dex_method_idx = GetDexMethodIndex();
+ if (LIKELY(dex_method_idx != DexFile::kDexNoIndex)) {
+ DCHECK(!IsProxyMethod());
+ const DexFile* dex_file = GetDexFile();
+ return dex_file->GetMethodName(dex_file->GetMethodId(dex_method_idx));
+ }
+ Runtime* const runtime = Runtime::Current();
+ if (this == runtime->GetResolutionMethod()) {
+ return "<runtime internal resolution method>";
+ } else if (this == runtime->GetImtConflictMethod()) {
+ return "<runtime internal imt conflict method>";
+ } else if (this == runtime->GetCalleeSaveMethod(Runtime::kSaveAll)) {
+ return "<runtime internal callee-save all registers method>";
+ } else if (this == runtime->GetCalleeSaveMethod(Runtime::kRefsOnly)) {
+ return "<runtime internal callee-save reference registers method>";
+ } else if (this == 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) {
+ DCHECK(!IsProxyMethod());
+ return GetDexCacheResolvedType(type_idx) != nullptr;
+}
+
+inline int32_t ArtMethod::GetLineNumFromDexPC(uint32_t dex_pc) {
+ DCHECK(!IsProxyMethod());
+ if (dex_pc == DexFile::kDexNoIndex) {
+ return IsNative() ? -2 : -1;
+ }
+ return GetDexFile()->GetLineNumFromPC(this, dex_pc);
+}
+
+inline const DexFile::ProtoId& ArtMethod::GetPrototype() {
+ DCHECK(!IsProxyMethod());
+ const DexFile* dex_file = GetDexFile();
+ return dex_file->GetMethodPrototype(dex_file->GetMethodId(GetDexMethodIndex()));
+}
+
+inline const DexFile::TypeList* ArtMethod::GetParameterTypeList() {
+ DCHECK(!IsProxyMethod());
+ const DexFile* dex_file = GetDexFile();
+ const DexFile::ProtoId& proto = dex_file->GetMethodPrototype(
+ dex_file->GetMethodId(GetDexMethodIndex()));
+ return dex_file->GetProtoParameters(proto);
+}
+
+inline const char* ArtMethod::GetDeclaringClassSourceFile() {
+ DCHECK(!IsProxyMethod());
+ return GetDeclaringClass()->GetSourceFile();
+}
+
+inline uint16_t ArtMethod::GetClassDefIndex() {
+ DCHECK(!IsProxyMethod());
+ return GetDeclaringClass()->GetDexClassDefIndex();
+}
+
+inline const DexFile::ClassDef& ArtMethod::GetClassDef() {
+ DCHECK(!IsProxyMethod());
+ return GetDexFile()->GetClassDef(GetClassDefIndex());
+}
+
+inline const char* ArtMethod::GetReturnTypeDescriptor() {
+ 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_;
+ return dex_file->GetTypeDescriptor(dex_file->GetTypeId(return_type_idx));
+}
+
+inline const char* ArtMethod::GetTypeDescriptorFromTypeIdx(uint16_t type_idx) {
+ DCHECK(!IsProxyMethod());
+ const DexFile* dex_file = GetDexFile();
+ return dex_file->GetTypeDescriptor(dex_file->GetTypeId(type_idx));
+}
+
+inline mirror::ClassLoader* ArtMethod::GetClassLoader() {
+ DCHECK(!IsProxyMethod());
+ return GetDeclaringClass()->GetClassLoader();
+}
+
+inline mirror::DexCache* ArtMethod::GetDexCache() {
+ DCHECK(!IsProxyMethod());
+ return GetDeclaringClass()->GetDexCache();
+}
+
+inline bool ArtMethod::IsProxyMethod() {
+ return GetDeclaringClass()->IsProxyClass();
+}
+
+inline ArtMethod* ArtMethod::GetInterfaceMethodIfProxy(size_t pointer_size) {
+ if (LIKELY(!IsProxyMethod())) {
+ return this;
+ }
+ mirror::Class* klass = GetDeclaringClass();
+ auto interface_method = GetDexCacheResolvedMethods()->GetElementPtrSize<ArtMethod*>(
+ GetDexMethodIndex(), pointer_size);
+ DCHECK(interface_method != nullptr);
+ DCHECK_EQ(interface_method,
+ Runtime::Current()->GetClassLinker()->FindMethodForProxy(klass, this));
+ return interface_method;
+}
+
+inline void ArtMethod::SetDexCacheResolvedMethods(mirror::PointerArray* new_dex_cache_methods) {
+ dex_cache_resolved_methods_ = GcRoot<mirror::PointerArray>(new_dex_cache_methods);
+}
+
+inline void ArtMethod::SetDexCacheResolvedTypes(
+ mirror::ObjectArray<mirror::Class>* new_dex_cache_types) {
+ dex_cache_resolved_types_ = GcRoot<mirror::ObjectArray<mirror::Class>>(new_dex_cache_types);
+}
+
+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;
+}
+
+template<typename RootVisitorType>
+void ArtMethod::VisitRoots(RootVisitorType& visitor) {
+ visitor.VisitRoot(declaring_class_.AddressWithoutBarrier());
+ visitor.VisitRoot(dex_cache_resolved_methods_.AddressWithoutBarrier());
+ visitor.VisitRoot(dex_cache_resolved_types_.AddressWithoutBarrier());
+}
+
+inline void ArtMethod::CopyFrom(const ArtMethod* src, size_t image_pointer_size) {
+ memcpy(reinterpret_cast<void*>(this), reinterpret_cast<const void*>(src),
+ ObjectSize(image_pointer_size));
+ declaring_class_ = GcRoot<mirror::Class>(const_cast<ArtMethod*>(src)->GetDeclaringClass());
+ dex_cache_resolved_methods_ = GcRoot<mirror::PointerArray>(
+ const_cast<ArtMethod*>(src)->GetDexCacheResolvedMethods());
+ dex_cache_resolved_types_ = GcRoot<mirror::ObjectArray<mirror::Class>>(
+ const_cast<ArtMethod*>(src)->GetDexCacheResolvedTypes());
+}
+
+} // namespace art
+
+#endif // ART_RUNTIME_ART_METHOD_INL_H_