/* * Copyright (c) 2024 Huawei Device Co., Ltd. * 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 ECMASCRIPT_COMPILER_ASSEMBLER_MACRO_ASSEMBLER_H #define ECMASCRIPT_COMPILER_ASSEMBLER_MACRO_ASSEMBLER_H #include "ecmascript/compiler/bytecodes.h" #include "ecmascript/ecma_vm.h" #include "ecmascript/mem/native_area_allocator.h" namespace panda::ecmascript::kungfu { enum class BaselineSpecialParameter : uint8_t { GLUE, SP, ACC, PROFILE_TYPE_INFO, HOTNESS_COUNTER, ENV, PC, }; class StackSlotOperand { public: enum class BaseRegister { FRAME_REGISTER, STACK_REGISTER, }; StackSlotOperand(BaseRegister baseReg, int32_t stackOffset) : baseRegister(baseReg), offset(stackOffset) {} ~StackSlotOperand() = default; BaseRegister GetBaseRegister() const { return baseRegister; } int32_t GetOffset() const { return offset; } bool IsFrameBase() const { return baseRegister == BaseRegister::FRAME_REGISTER; } private: BaseRegister baseRegister; int32_t offset = 0; }; using MacroParameter = std::variant; using JumpLabel = panda::ecmascript::Label; class MacroAssembler { public: MacroAssembler() : allocator(NativeAreaAllocator()), chunk(&allocator) {} virtual ~MacroAssembler() = default; virtual uint8_t *GetBegin() const = 0; virtual size_t GetBufferCurrentSize() const = 0; virtual void Move(const StackSlotOperand &dstStackSlot, Immediate value) = 0; virtual void Move(const StackSlotOperand &dstStackSlot, const StackSlotOperand &srcStackSlot) = 0; virtual void Cmp(const StackSlotOperand &stackSlot, Immediate value) = 0; virtual void Bind(JumpLabel &label) = 0; virtual void Jz(JumpLabel &label) = 0; virtual void Jnz(JumpLabel &label) = 0; virtual void Jump(JumpLabel &label) = 0; virtual void SaveReturnRegister(const StackSlotOperand &dstStackSlot) = 0; virtual void CallBuiltin(Address funcAddress, const std::vector ¶meters) = 0; protected: NativeAreaAllocator allocator; Chunk chunk; static constexpr int32_t FUNCTION_OFFSET_FROM_SP = -72; // 72: includes 9 slots }; } // namespace panda::ecmascript::kungfu #endif // ECMASCRIPT_COMPILER_ASSEMBLER_MACRO_ASSEMBLER_H