| /* |
| * 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_OAT_OAT_H_ |
| #define ART_RUNTIME_OAT_OAT_H_ |
| |
| #include <array> |
| #include <vector> |
| |
| #include "base/compiler_filter.h" |
| #include "base/macros.h" |
| #include "base/safe_map.h" |
| |
| namespace art HIDDEN { |
| |
| enum class InstructionSet; |
| class InstructionSetFeatures; |
| |
| enum class StubType { |
| kJNIDlsymLookupTrampoline, |
| kJNIDlsymLookupCriticalTrampoline, |
| kQuickGenericJNITrampoline, |
| kQuickIMTConflictTrampoline, |
| kQuickResolutionTrampoline, |
| kQuickToInterpreterBridge, |
| kNterpTrampoline, |
| kLast = kNterpTrampoline, |
| }; |
| std::ostream& operator<<(std::ostream& stream, StubType stub_type); |
| |
| class EXPORT PACKED(4) OatHeader { |
| public: |
| static constexpr std::array<uint8_t, 4> kOatMagic { { 'o', 'a', 't', '\n' } }; |
| // Last oat version changed reason: store resolved MethodType-s in .bss. |
| static constexpr std::array<uint8_t, 4> kOatVersion{{'2', '4', '1', '\0'}}; |
| |
| static constexpr const char* kDex2OatCmdLineKey = "dex2oat-cmdline"; |
| static constexpr const char* kDebuggableKey = "debuggable"; |
| static constexpr const char* kNativeDebuggableKey = "native-debuggable"; |
| static constexpr const char* kCompilerFilter = "compiler-filter"; |
| static constexpr const char* kClassPathKey = "classpath"; |
| static constexpr const char* kBootClassPathKey = "bootclasspath"; |
| static constexpr const char* kBootClassPathChecksumsKey = "bootclasspath-checksums"; |
| static constexpr const char* kApexVersionsKey = "apex-versions"; |
| static constexpr const char* kConcurrentCopying = "concurrent-copying"; |
| static constexpr const char* kCompilationReasonKey = "compilation-reason"; |
| static constexpr const char* kRequiresImage = "requires-image"; |
| |
| static constexpr const char kTrueValue[] = "true"; |
| static constexpr const char kFalseValue[] = "false"; |
| |
| |
| static OatHeader* Create(InstructionSet instruction_set, |
| const InstructionSetFeatures* instruction_set_features, |
| uint32_t dex_file_count, |
| const SafeMap<std::string, std::string>* variable_data); |
| |
| bool IsValid() const; |
| std::string GetValidationErrorMessage() const; |
| static void CheckOatVersion(std::array<uint8_t, 4> version); |
| const char* GetMagic() const; |
| uint32_t GetChecksum() const; |
| void SetChecksum(uint32_t checksum); |
| uint32_t GetDexFileCount() const { |
| DCHECK(IsValid()); |
| return dex_file_count_; |
| } |
| uint32_t GetOatDexFilesOffset() const; |
| void SetOatDexFilesOffset(uint32_t oat_dex_files_offset); |
| uint32_t GetBcpBssInfoOffset() const; |
| void SetBcpBssInfoOffset(uint32_t bcp_info_offset); |
| uint32_t GetExecutableOffset() const; |
| void SetExecutableOffset(uint32_t executable_offset); |
| |
| const void* GetJniDlsymLookupTrampoline() const; |
| uint32_t GetJniDlsymLookupTrampolineOffset() const; |
| void SetJniDlsymLookupTrampolineOffset(uint32_t offset); |
| const void* GetJniDlsymLookupCriticalTrampoline() const; |
| uint32_t GetJniDlsymLookupCriticalTrampolineOffset() const; |
| void SetJniDlsymLookupCriticalTrampolineOffset(uint32_t offset); |
| |
| const void* GetQuickGenericJniTrampoline() const; |
| uint32_t GetQuickGenericJniTrampolineOffset() const; |
| void SetQuickGenericJniTrampolineOffset(uint32_t offset); |
| const void* GetQuickResolutionTrampoline() const; |
| uint32_t GetQuickResolutionTrampolineOffset() const; |
| void SetQuickResolutionTrampolineOffset(uint32_t offset); |
| const void* GetQuickImtConflictTrampoline() const; |
| uint32_t GetQuickImtConflictTrampolineOffset() const; |
| void SetQuickImtConflictTrampolineOffset(uint32_t offset); |
| const void* GetQuickToInterpreterBridge() const; |
| uint32_t GetQuickToInterpreterBridgeOffset() const; |
| void SetQuickToInterpreterBridgeOffset(uint32_t offset); |
| const void* GetNterpTrampoline() const; |
| uint32_t GetNterpTrampolineOffset() const; |
| void SetNterpTrampolineOffset(uint32_t offset); |
| |
| InstructionSet GetInstructionSet() const; |
| uint32_t GetInstructionSetFeaturesBitmap() const; |
| |
| uint32_t GetKeyValueStoreSize() const; |
| const uint8_t* GetKeyValueStore() const; |
| const char* GetStoreValueByKey(const char* key) const; |
| bool GetStoreKeyValuePairByIndex(size_t index, const char** key, const char** value) const; |
| |
| size_t GetHeaderSize() const; |
| bool IsDebuggable() const; |
| bool IsNativeDebuggable() const; |
| CompilerFilter::Filter GetCompilerFilter() const; |
| bool IsConcurrentCopying() const; |
| bool RequiresImage() const; |
| |
| const uint8_t* GetOatAddress(StubType type) const; |
| |
| private: |
| bool KeyHasValue(const char* key, const char* value, size_t value_size) const; |
| |
| OatHeader(InstructionSet instruction_set, |
| const InstructionSetFeatures* instruction_set_features, |
| uint32_t dex_file_count, |
| const SafeMap<std::string, std::string>* variable_data); |
| |
| // Returns true if the value of the given key is "true", false otherwise. |
| bool IsKeyEnabled(const char* key) const; |
| |
| void Flatten(const SafeMap<std::string, std::string>* variable_data); |
| |
| std::array<uint8_t, 4> magic_; |
| std::array<uint8_t, 4> version_; |
| uint32_t oat_checksum_; |
| |
| InstructionSet instruction_set_; |
| uint32_t instruction_set_features_bitmap_; |
| uint32_t dex_file_count_; |
| uint32_t oat_dex_files_offset_; |
| uint32_t bcp_bss_info_offset_; |
| uint32_t executable_offset_; |
| uint32_t jni_dlsym_lookup_trampoline_offset_; |
| uint32_t jni_dlsym_lookup_critical_trampoline_offset_; |
| uint32_t quick_generic_jni_trampoline_offset_; |
| uint32_t quick_imt_conflict_trampoline_offset_; |
| uint32_t quick_resolution_trampoline_offset_; |
| uint32_t quick_to_interpreter_bridge_offset_; |
| uint32_t nterp_trampoline_offset_; |
| |
| uint32_t key_value_store_size_; |
| uint8_t key_value_store_[0]; // note variable width data at end |
| |
| DISALLOW_COPY_AND_ASSIGN(OatHeader); |
| }; |
| |
| } // namespace art |
| |
| #endif // ART_RUNTIME_OAT_OAT_H_ |