SparcMCAsmInfo.cpp revision 36b56886974eae4f9c5ebc96befd3e7bfe5de338
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(StringRef TT) { 24 IsLittleEndian = false; 25 Triple TheTriple(TT); 26 bool isV9 = (TheTriple.getArch() == Triple::sparcv9); 27 28 if (isV9) { 29 PointerSize = CalleeSaveStackSlotSize = 8; 30 } 31 32 Data16bitsDirective = "\t.half\t"; 33 Data32bitsDirective = "\t.word\t"; 34 // .xword is only supported by V9. 35 Data64bitsDirective = (isV9) ? "\t.xword\t" : 0; 36 ZeroDirective = "\t.skip\t"; 37 CommentString = "!"; 38 HasLEB128 = true; 39 SupportsDebugInformation = true; 40 41 ExceptionsType = ExceptionHandling::DwarfCFI; 42 43 SunStyleELFSectionSwitchSyntax = true; 44 UsesELFSectionDirectiveForBSS = true; 45 46 if (TheTriple.getOS() == llvm::Triple::Solaris) 47 UseIntegratedAssembler = true; 48} 49 50const MCExpr* 51SparcELFMCAsmInfo::getExprForPersonalitySymbol(const MCSymbol *Sym, 52 unsigned Encoding, 53 MCStreamer &Streamer) const { 54 if (Encoding & dwarf::DW_EH_PE_pcrel) { 55 MCContext &Ctx = Streamer.getContext(); 56 return SparcMCExpr::Create(SparcMCExpr::VK_Sparc_R_DISP32, 57 MCSymbolRefExpr::Create(Sym, Ctx), Ctx); 58 } 59 60 return MCAsmInfo::getExprForPersonalitySymbol(Sym, Encoding, Streamer); 61} 62 63const MCExpr* 64SparcELFMCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym, 65 unsigned Encoding, 66 MCStreamer &Streamer) const { 67 if (Encoding & dwarf::DW_EH_PE_pcrel) { 68 MCContext &Ctx = Streamer.getContext(); 69 return SparcMCExpr::Create(SparcMCExpr::VK_Sparc_R_DISP32, 70 MCSymbolRefExpr::Create(Sym, Ctx), Ctx); 71 } 72 return MCAsmInfo::getExprForFDESymbol(Sym, Encoding, Streamer); 73} 74