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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_RUNTIME_SUPPORT_BUILDER_H_
#define ART_SRC_COMPILER_LLVM_RUNTIME_SUPPORT_BUILDER_H_
#include "backend_types.h"
#include "logging.h"
#include "runtime_support_func.h"
#include <stdint.h>
namespace llvm {
class LLVMContext;
class Module;
class Function;
class Type;
class Value;
}
namespace art {
namespace compiler_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 size);
virtual llvm::Value* EmitPushShadowFrameNoInline(llvm::Value* new_shadow_frame,
llvm::Value* method, uint32_t size);
virtual void EmitPopShadowFrame(llvm::Value* old_shadow_frame);
/* Check */
virtual llvm::Value* EmitIsExceptionPending();
virtual void EmitTestSuspend();
/* Monitor */
virtual void EmitLockObject(llvm::Value* object);
virtual 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 compiler_llvm
} // namespace art
#endif // ART_SRC_COMPILER_LLVM_RUNTIME_SUPPORT_BUILDER_H_