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supports compact unwind info instead of having a separate flag indicating this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133685 91177308-0d34-0410-b5e6-96231b3b80d8
113 lines
2.9 KiB
C++
113 lines
2.9 KiB
C++
//===-- llvm/Target/TargetAsmInfo.h -----------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Interface to provide the information necessary for producing assembly files.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TARGET_TARGETASMINFO_H
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#define LLVM_TARGET_TARGETASMINFO_H
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#include "llvm/CodeGen/MachineLocation.h"
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#include "llvm/Target/TargetLoweringObjectFile.h"
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#include "llvm/Target/TargetFrameLowering.h"
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#include "llvm/Target/TargetRegisterInfo.h"
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namespace llvm {
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class MCSection;
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class MCContext;
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class MachineFunction;
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class TargetMachine;
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class TargetLoweringObjectFile;
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class TargetAsmInfo {
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unsigned PointerSize;
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bool IsLittleEndian;
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TargetFrameLowering::StackDirection StackDir;
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const TargetRegisterInfo *TRI;
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std::vector<MachineMove> InitialFrameState;
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const TargetLoweringObjectFile *TLOF;
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public:
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explicit TargetAsmInfo(const TargetMachine &TM);
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/// getPointerSize - Get the pointer size in bytes.
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unsigned getPointerSize() const {
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return PointerSize;
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}
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/// islittleendian - True if the target is little endian.
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bool isLittleEndian() const {
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return IsLittleEndian;
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}
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TargetFrameLowering::StackDirection getStackGrowthDirection() const {
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return StackDir;
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}
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const MCSection *getDwarfLineSection() const {
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return TLOF->getDwarfLineSection();
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}
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const MCSection *getEHFrameSection() const {
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return TLOF->getEHFrameSection();
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}
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const MCSection *getCompactUnwindSection() const {
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return TLOF->getCompactUnwindSection();
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}
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const MCSection *getDwarfFrameSection() const {
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return TLOF->getDwarfFrameSection();
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}
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const MCSection *getWin64EHFuncTableSection(StringRef Suffix) const {
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return TLOF->getWin64EHFuncTableSection(Suffix);
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}
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const MCSection *getWin64EHTableSection(StringRef Suffix) const {
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return TLOF->getWin64EHTableSection(Suffix);
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}
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unsigned getFDEEncoding(bool CFI) const {
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return TLOF->getFDEEncoding(CFI);
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}
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bool isFunctionEHFrameSymbolPrivate() const {
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return TLOF->isFunctionEHFrameSymbolPrivate();
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}
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const unsigned *getCalleeSavedRegs(MachineFunction *MF = 0) const {
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return TRI->getCalleeSavedRegs(MF);
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}
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unsigned getDwarfRARegNum(bool isEH) const {
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return TRI->getDwarfRegNum(TRI->getRARegister(), isEH);
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}
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const std::vector<MachineMove> &getInitialFrameState() const {
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return InitialFrameState;
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}
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int getDwarfRegNum(unsigned RegNum, bool isEH) const {
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return TRI->getDwarfRegNum(RegNum, isEH);
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}
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int getLLVMRegNum(unsigned DwarfRegNum, bool isEH) const {
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return TRI->getLLVMRegNum(DwarfRegNum, isEH);
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}
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int getSEHRegNum(unsigned RegNum) const {
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return TRI->getSEHRegNum(RegNum);
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}
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};
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}
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#endif
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