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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_COMPILER_LLVM_RUNTIME_SUPPORT_BUILDER_H_
#define ART_COMPILER_LLVM_RUNTIME_SUPPORT_BUILDER_H_
#include "backend_types.h"
#include "base/logging.h"
#include "runtime_support_llvm_func.h"
#include <stdint.h>
namespace llvm {
class LLVMContext;
class Module;
class Function;
class Type;
class Value;
}
namespace art {
namespace llvm {
class IRBuilder;
class RuntimeSupportBuilder {
public:
RuntimeSupportBuilder(::llvm::LLVMContext& context, ::llvm::Module& module, IRBuilder& irb);
/* Thread */
virtual ::llvm::Value* EmitGetCurrentThread();
virtual ::llvm::Value* EmitLoadFromThreadOffset(int64_t offset, ::llvm::Type* type,
TBAASpecialType s_ty);
virtual void EmitStoreToThreadOffset(int64_t offset, ::llvm::Value* value,
TBAASpecialType s_ty);
virtual ::llvm::Value* EmitSetCurrentThread(::llvm::Value* thread);
/* ShadowFrame */
virtual ::llvm::Value* EmitPushShadowFrame(::llvm::Value* new_shadow_frame,
::llvm::Value* method, uint32_t num_vregs);
virtual ::llvm::Value* EmitPushShadowFrameNoInline(::llvm::Value* new_shadow_frame,
::llvm::Value* method, uint32_t num_vregs);
virtual void EmitPopShadowFrame(::llvm::Value* old_shadow_frame);
/* Exception */
virtual ::llvm::Value* EmitGetAndClearException();
virtual ::llvm::Value* EmitIsExceptionPending();
/* Suspend */
virtual void EmitTestSuspend();
/* Monitor */
void EmitLockObject(::llvm::Value* object);
void EmitUnlockObject(::llvm::Value* object);
/* MarkGCCard */
virtual void EmitMarkGCCard(::llvm::Value* value, ::llvm::Value* target_addr);
::llvm::Function* GetRuntimeSupportFunction(runtime_support::RuntimeId id) {
if (id >= 0 && id < runtime_support::MAX_ID) {
return runtime_support_func_decls_[id];
} else {
LOG(ERROR) << "Unknown runtime function id: " << id;
return NULL;
}
}
virtual ~RuntimeSupportBuilder() {}
protected:
::llvm::LLVMContext& context_;
::llvm::Module& module_;
IRBuilder& irb_;
private:
::llvm::Function* runtime_support_func_decls_[runtime_support::MAX_ID];
bool target_runtime_support_func_[runtime_support::MAX_ID];
};
} // namespace llvm
} // namespace art
#endif // ART_COMPILER_LLVM_RUNTIME_SUPPORT_BUILDER_H_
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