1//===-- SparcMCAsmInfo.cpp - Sparc asm properties -------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file contains the declarations of the SparcMCAsmInfo properties. 11// 12//===----------------------------------------------------------------------===// 13 14#include "SparcMCAsmInfo.h" 15#include "SparcMCExpr.h" 16#include "llvm/ADT/Triple.h" 17#include "llvm/MC/MCStreamer.h" 18 19using namespace llvm; 20 21void SparcELFMCAsmInfo::anchor() {} 22 23SparcELFMCAsmInfo::SparcELFMCAsmInfo(const Triple &TheTriple) { 24 bool isV9 = (TheTriple.getArch() == Triple::sparcv9); 25 IsLittleEndian = (TheTriple.getArch() == Triple::sparcel); 26 27 if (isV9) { 28 PointerSize = CalleeSaveStackSlotSize = 8; 29 } 30 31 Data16bitsDirective = "\t.half\t"; 32 Data32bitsDirective = "\t.word\t"; 33 // .xword is only supported by V9. 34 Data64bitsDirective = (isV9) ? "\t.xword\t" : nullptr; 35 ZeroDirective = "\t.skip\t"; 36 CommentString = "!"; 37 SupportsDebugInformation = true; 38 39 ExceptionsType = ExceptionHandling::DwarfCFI; 40 41 SunStyleELFSectionSwitchSyntax = true; 42 UsesELFSectionDirectiveForBSS = true; 43 44 UseIntegratedAssembler = true; 45} 46 47const MCExpr* 48SparcELFMCAsmInfo::getExprForPersonalitySymbol(const MCSymbol *Sym, 49 unsigned Encoding, 50 MCStreamer &Streamer) const { 51 if (Encoding & dwarf::DW_EH_PE_pcrel) { 52 MCContext &Ctx = Streamer.getContext(); 53 return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32, 54 MCSymbolRefExpr::create(Sym, Ctx), Ctx); 55 } 56 57 return MCAsmInfo::getExprForPersonalitySymbol(Sym, Encoding, Streamer); 58} 59 60const MCExpr* 61SparcELFMCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym, 62 unsigned Encoding, 63 MCStreamer &Streamer) const { 64 if (Encoding & dwarf::DW_EH_PE_pcrel) { 65 MCContext &Ctx = Streamer.getContext(); 66 return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32, 67 MCSymbolRefExpr::create(Sym, Ctx), Ctx); 68 } 69 return MCAsmInfo::getExprForFDESymbol(Sym, Encoding, Streamer); 70} 71