| //===- subzero/src/IceTargetLoweringX8664.h - lowering for x86-64 -*- C++ -*-=// |
| // |
| // The Subzero Code Generator |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// \brief Declares the TargetLoweringX8664 class, which implements the |
| /// TargetLowering interface for the X86 64-bit architecture. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SUBZERO_SRC_ICETARGETLOWERINGX8664_H |
| #define SUBZERO_SRC_ICETARGETLOWERINGX8664_H |
| |
| #include "IceAssemblerX8664.h" |
| #include "IceCfg.h" |
| #include "IceGlobalContext.h" |
| #include "IceInstX8664.h" |
| #include "IceTargetLowering.h" |
| #define X86NAMESPACE X8664 |
| #include "IceTargetLoweringX86Base.h" |
| #undef X86NAMESPACE |
| #include "IceTargetLoweringX8664Traits.h" |
| |
| namespace Ice { |
| namespace X8664 { |
| |
| class TargetX8664 final : public X8664::TargetX86Base<X8664::Traits> { |
| TargetX8664() = delete; |
| TargetX8664(const TargetX8664 &) = delete; |
| TargetX8664 &operator=(const TargetX8664 &) = delete; |
| |
| public: |
| ~TargetX8664() = default; |
| |
| static std::unique_ptr<::Ice::TargetLowering> create(Cfg *Func) { |
| return makeUnique<TargetX8664>(Func); |
| } |
| |
| std::unique_ptr<::Ice::Assembler> createAssembler() const override { |
| const bool EmitAddrSizeOverridePrefix = !NeedSandboxing; |
| return makeUnique<X8664::AssemblerX8664>(EmitAddrSizeOverridePrefix); |
| } |
| |
| protected: |
| void _add_sp(Operand *Adjustment); |
| void _mov_sp(Operand *NewValue); |
| Traits::X86OperandMem *_sandbox_mem_reference(X86OperandMem *Mem); |
| void _sub_sp(Operand *Adjustment); |
| void _link_bp(); |
| void _unlink_bp(); |
| void _push_reg(Variable *Reg); |
| |
| void initRebasePtr(); |
| void initSandbox(); |
| bool legalizeOptAddrForSandbox(OptAddr *Addr); |
| void emitSandboxedReturn(); |
| void lowerIndirectJump(Variable *JumpTarget); |
| void emitGetIP(CfgNode *Node); |
| Inst *emitCallToTarget(Operand *CallTarget, Variable *ReturnReg) override; |
| Variable *moveReturnValueToRegister(Operand *Value, Type ReturnType) override; |
| |
| private: |
| ENABLE_MAKE_UNIQUE; |
| friend class X8664::TargetX86Base<X8664::Traits>; |
| |
| explicit TargetX8664(Cfg *Func) : TargetX86Base(Func) {} |
| |
| void _push_rbp(); |
| |
| Operand *createNaClReadTPSrcOperand() { |
| Variable *TDB = makeReg(IceType_i32); |
| InstCall *Call = makeHelperCall(H_call_read_tp, TDB, 0); |
| lowerCall(Call); |
| return TDB; |
| } |
| }; |
| |
| } // end of namespace X8664 |
| } // end of namespace Ice |
| |
| #endif // SUBZERO_SRC_ICETARGETLOWERINGX8664_H |