/* * 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 */ 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 llvm } // namespace art #endif // ART_COMPILER_LLVM_RUNTIME_SUPPORT_BUILDER_H_