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//===- subzero/src/IceTargetLoweringX8632.h - x86-32 lowering ---*- 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 TargetLoweringX8632 class, which implements the
/// TargetLowering interface for the x86-32 architecture.
///
//===----------------------------------------------------------------------===//
#ifndef SUBZERO_SRC_ICETARGETLOWERINGX8632_H
#define SUBZERO_SRC_ICETARGETLOWERINGX8632_H
#include "IceAssemblerX8632.h"
#include "IceDefs.h"
#include "IceRegistersX8632.h"
#include "IceTargetLowering.h"
#include "IceInstX8632.h"
#define X86NAMESPACE X8632
#include "IceTargetLoweringX86Base.h"
#undef X86NAMESPACE
#include "IceTargetLoweringX8632Traits.h"
namespace Ice {
namespace X8632 {
class TargetX8632 final : public ::Ice::X8632::TargetX86Base<X8632::Traits> {
TargetX8632() = delete;
TargetX8632(const TargetX8632 &) = delete;
TargetX8632 &operator=(const TargetX8632 &) = delete;
public:
~TargetX8632() = default;
static std::unique_ptr<::Ice::TargetLowering> create(Cfg *Func) {
return makeUnique<TargetX8632>(Func);
}
std::unique_ptr<::Ice::Assembler> createAssembler() const override {
return makeUnique<X8632::AssemblerX8632>();
}
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(RegNumT RegNum);
void _pop_reg(RegNumT RegNum);
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 X8632::TargetX86Base<X8632::Traits>;
explicit TargetX8632(Cfg *Func) : TargetX86Base(Func) {}
Operand *createNaClReadTPSrcOperand() {
Constant *Zero = Ctx->getConstantZero(IceType_i32);
return Traits::X86OperandMem::create(Func, IceType_i32, nullptr, Zero,
nullptr, 0,
Traits::X86OperandMem::SegReg_GS);
}
};
} // end of namespace X8632
} // end of namespace Ice
#endif // SUBZERO_SRC_ICETARGETLOWERINGX8632_H