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// Copyright 2011 Google Inc. All Rights Reserved.
#include "compiled_method.h"
#include "constants.h"
#include "dex_file.h"
#include "jni_compiler.h"
#include "oat_file.h"
#include "object.h"
#include "runtime.h"
#include "unordered_map.h"
namespace art {
class Compiler {
// Create a compiler targeting the requested "instruction_set".
// "image" should be true if image specific optimizations should be enabled.
explicit Compiler(InstructionSet instruction_set, bool image);
// Compile all Methods of all the Classes of all the DexFiles that are part of a ClassLoader.
void CompileAll(const ClassLoader* class_loader);
// Compile a single Method
void CompileOne(const Method* method);
InstructionSet GetInstructionSet() const {
return instruction_set_;
bool IsImage() const {
return image_;
void SetVerbose(bool verbose) {
verbose_ = verbose;
bool IsVerbose() const {
return verbose_;
// Stub to throw AbstractMethodError
static ByteArray* CreateAbstractMethodErrorStub(InstructionSet instruction_set);
// Generate the trampoline that's invoked by unresolved direct methods
static ByteArray* CreateResolutionStub(InstructionSet instruction_set,
Runtime::TrampolineType type);
const CompiledMethod* GetCompiledMethod(const Method* method) const;
const CompiledInvokeStub* GetCompiledInvokeStub(const Method* method) const;
// Attempt to resolve all type, methods, fields, and strings
// referenced from code in the dex file following PathClassLoader
// ordering semantics.
void Resolve(const ClassLoader* class_loader);
void ResolveDexFile(const ClassLoader* class_loader, const DexFile& dex_file);
void Verify(const ClassLoader* class_loader);
void VerifyDexFile(const ClassLoader* class_loader, const DexFile& dex_file);
void InitializeClassesWithoutClinit(const ClassLoader* class_loader);
void InitializeClassesWithoutClinit(const ClassLoader* class_loader, const DexFile& dex_file);
void Compile(const ClassLoader* class_loader);
void CompileDexFile(const ClassLoader* class_loader, const DexFile& dex_file);
void CompileClass(const Class* klass);
void CompileMethod(const Method* method);
// After compiling, walk all the DexCaches and set the code and
// method pointers of CodeAndDirectMethods entries in the DexCaches.
void SetCodeAndDirectMethods(const ClassLoader* class_loader);
void SetCodeAndDirectMethodsDexFile(const DexFile& dex_file);
InstructionSet instruction_set_;
JniCompiler jni_compiler_;
typedef std::tr1::unordered_map<const Method*, CompiledMethod*, ObjectIdentityHash> MethodTable;
MethodTable compiled_methods_;
typedef std::tr1::unordered_map<const Method*, CompiledInvokeStub*, ObjectIdentityHash> InvokeStubTable;
InvokeStubTable compiled_invoke_stubs_;
bool image_;
bool verbose_;
} // namespace art