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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_H_
#define ART_COMPILER_COMPILER_H_
#include "base/mutex.h"
#include "base/os.h"
#include "dex/invoke_type.h"
namespace art {
namespace dex {
struct CodeItem;
} // namespace dex
namespace jit {
class JitCodeCache;
class JitLogger;
} // namespace jit
namespace mirror {
class ClassLoader;
class DexCache;
} // namespace mirror
class ArtMethod;
class CompiledMethod;
class CompiledMethodStorage;
class CompilerOptions;
class DexFile;
template<class T> class Handle;
class OatWriter;
class Thread;
class Compiler {
public:
enum Kind {
kQuick,
kOptimizing
};
static Compiler* Create(const CompilerOptions& compiler_options,
CompiledMethodStorage* storage,
Kind kind);
virtual bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file) const = 0;
virtual CompiledMethod* Compile(const dex::CodeItem* code_item,
uint32_t access_flags,
InvokeType invoke_type,
uint16_t class_def_idx,
uint32_t method_idx,
Handle<mirror::ClassLoader> class_loader,
const DexFile& dex_file,
Handle<mirror::DexCache> dex_cache) const = 0;
virtual CompiledMethod* JniCompile(uint32_t access_flags,
uint32_t method_idx,
const DexFile& dex_file,
Handle<mirror::DexCache> dex_cache) const = 0;
virtual bool JitCompile(Thread* self ATTRIBUTE_UNUSED,
jit::JitCodeCache* code_cache ATTRIBUTE_UNUSED,
ArtMethod* method ATTRIBUTE_UNUSED,
bool baseline ATTRIBUTE_UNUSED,
bool osr ATTRIBUTE_UNUSED,
jit::JitLogger* jit_logger ATTRIBUTE_UNUSED)
REQUIRES_SHARED(Locks::mutator_lock_) {
return false;
}
virtual uintptr_t GetEntryPointOf(ArtMethod* method) const
REQUIRES_SHARED(Locks::mutator_lock_) = 0;
uint64_t GetMaximumCompilationTimeBeforeWarning() const {
return maximum_compilation_time_before_warning_;
}
virtual ~Compiler() {}
// Returns whether the method to compile is such a pathological case that
// it's not worth compiling.
static bool IsPathologicalCase(const dex::CodeItem& code_item,
uint32_t method_idx,
const DexFile& dex_file);
protected:
Compiler(const CompilerOptions& compiler_options,
CompiledMethodStorage* storage,
uint64_t warning) :
compiler_options_(compiler_options),
storage_(storage),
maximum_compilation_time_before_warning_(warning) {
}
const CompilerOptions& GetCompilerOptions() const {
return compiler_options_;
}
CompiledMethodStorage* GetCompiledMethodStorage() const {
return storage_;
}
private:
const CompilerOptions& compiler_options_;
CompiledMethodStorage* const storage_;
const uint64_t maximum_compilation_time_before_warning_;
DISALLOW_COPY_AND_ASSIGN(Compiler);
};
} // namespace art
#endif // ART_COMPILER_COMPILER_H_
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