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/*
* Copyright (C) 2012 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_SRC_COMPILER_LLVM_COMPILATION_UNIT_H_
#define ART_SRC_COMPILER_LLVM_COMPILATION_UNIT_H_
#include "../mutex.h"
#include "globals.h"
#include "instruction_set.h"
#include "logging.h"
#include "runtime_support_builder.h"
#include "runtime_support_func.h"
#include "safe_map.h"
#include <UniquePtr.h>
#include <string>
#include <vector>
namespace art {
class CompiledMethod;
}
namespace llvm {
class Function;
class LLVMContext;
class Module;
class raw_ostream;
}
namespace art {
namespace compiler_llvm {
class CompilerLLVM;
class IRBuilder;
class CompilationUnit {
public:
CompilationUnit(const CompilerLLVM* compiler_llvm,
size_t cunit_idx);
~CompilationUnit();
size_t GetIndex() const {
return cunit_idx_;
}
InstructionSet GetInstructionSet() const;
llvm::LLVMContext* GetLLVMContext() const {
return context_.get();
}
llvm::Module* GetModule() const {
return module_;
}
IRBuilder* GetIRBuilder() const {
return irb_.get();
}
void SetBitcodeFileName(const std::string& bitcode_filename) {
bitcode_filename_ = bitcode_filename;
}
bool Materialize();
bool IsMaterialized() const {
return (context_.get() == NULL);
}
const std::vector<uint8_t>& GetCompiledCode() const {
DCHECK(IsMaterialized());
return compiled_code_;
}
private:
const CompilerLLVM* compiler_llvm_;
const size_t cunit_idx_;
UniquePtr<llvm::LLVMContext> context_;
UniquePtr<IRBuilder> irb_;
UniquePtr<RuntimeSupportBuilder> runtime_support_;
llvm::Module* module_;
std::string bitcode_filename_;
std::vector<uint8_t> compiled_code_;
SafeMap<const llvm::Function*, CompiledMethod*> compiled_methods_map_;
void CheckCodeAlign(uint32_t offset) const;
void DeleteResources() {
module_ = NULL; // Managed by context_
context_.reset(NULL);
irb_.reset(NULL);
runtime_support_.reset(NULL);
}
bool MaterializeToString(std::string& str_buffer);
bool MaterializeToRawOStream(llvm::raw_ostream& out_stream);
bool ExtractCodeAndPrelink(const std::string& elf_image);
};
} // namespace compiler_llvm
} // namespace art
#endif // ART_SRC_COMPILER_LLVM_COMPILATION_UNIT_H_
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