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-rw-r--r--compiler/compiler_backend.h117
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diff --git a/compiler/compiler_backend.h b/compiler/compiler_backend.h
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-/*
- * Copyright (C) 2014 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_COMPILER_COMPILER_BACKEND_H_
-#define ART_COMPILER_COMPILER_BACKEND_H_
-
-#include "dex_file.h"
-#include "os.h"
-
-namespace art {
-
-class Backend;
-struct CompilationUnit;
-class CompilerDriver;
-class CompiledMethod;
-class MIRGraph;
-class OatWriter;
-
-namespace mirror {
- class ArtMethod;
-}
-
-class CompilerBackend {
- public:
- enum Kind {
- kQuick,
- kPortable
- };
-
- explicit CompilerBackend(uint64_t warning)
- : maximum_compilation_time_before_warning_(warning) {
- }
-
- static CompilerBackend* Create(Kind kind);
-
- virtual void Init(CompilerDriver& driver) const = 0;
-
- virtual void UnInit(CompilerDriver& driver) const = 0;
-
- virtual CompiledMethod* Compile(CompilerDriver& driver,
- const DexFile::CodeItem* code_item,
- uint32_t access_flags,
- InvokeType invoke_type,
- uint16_t class_def_idx,
- uint32_t method_idx,
- jobject class_loader,
- const DexFile& dex_file) const = 0;
-
- virtual CompiledMethod* JniCompile(CompilerDriver& driver,
- uint32_t access_flags,
- uint32_t method_idx,
- const DexFile& dex_file) const = 0;
-
- virtual uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const = 0;
-
- virtual bool WriteElf(art::File* file,
- OatWriter* oat_writer,
- const std::vector<const art::DexFile*>& dex_files,
- const std::string& android_root,
- bool is_host, const CompilerDriver& driver) const
- SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0;
-
- virtual Backend* GetCodeGenerator(CompilationUnit* cu,
- void* compilation_unit) const = 0;
-
- uint64_t GetMaximumCompilationTimeBeforeWarning() const {
- return maximum_compilation_time_before_warning_;
- }
-
- virtual bool IsPortable() const {
- return false;
- }
-
- void SetBitcodeFileName(const CompilerDriver& driver, const std::string& filename) {
- UNUSED(driver);
- UNUSED(filename);
- }
-
- virtual void InitCompilationUnit(CompilationUnit& cu) const = 0;
-
- virtual ~CompilerBackend() {}
-
- /*
- * @brief Generate and return Dwarf CFI initialization, if supported by the
- * backend.
- * @param driver CompilerDriver for this compile.
- * @returns nullptr if not supported by backend or a vector of bytes for CFI DWARF
- * information.
- * @note This is used for backtrace information in generated code.
- */
- virtual std::vector<uint8_t>* GetCallFrameInformationInitialization(const CompilerDriver& driver)
- const {
- return nullptr;
- }
-
- private:
- const uint64_t maximum_compilation_time_before_warning_;
-
- DISALLOW_COPY_AND_ASSIGN(CompilerBackend);
-};
-
-} // namespace art
-
-#endif // ART_COMPILER_COMPILER_BACKEND_H_