X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FMC%2FMCAsmInfo.cpp;h=a6fa6582abe829043631e12279fd8f7916418c32;hb=6c583141bf6b7a6b5f8125c1037ecbc089813288;hp=6e8cd0ce8d758c76d0ca7ae9e3fcacf01c258241;hpb=aac138e84dee1cb3ffc1035b2a1e4361fe0b4f80;p=oota-llvm.git diff --git a/lib/MC/MCAsmInfo.cpp b/lib/MC/MCAsmInfo.cpp index 6e8cd0ce8d7..a6fa6582abe 100644 --- a/lib/MC/MCAsmInfo.cpp +++ b/lib/MC/MCAsmInfo.cpp @@ -13,30 +13,46 @@ //===----------------------------------------------------------------------===// #include "llvm/MC/MCAsmInfo.h" -#include "llvm/System/DataTypes.h" +#include "llvm/MC/MCContext.h" +#include "llvm/MC/MCExpr.h" +#include "llvm/MC/MCStreamer.h" +#include "llvm/Support/DataTypes.h" +#include "llvm/Support/Dwarf.h" #include #include using namespace llvm; MCAsmInfo::MCAsmInfo() { + PointerSize = 4; + IsLittleEndian = true; + StackGrowsUp = false; + HasSubsectionsViaSymbols = false; HasMachoZeroFillDirective = false; - NonexecutableStackDirective = 0; - NeedsSet = false; + HasMachoTBSSDirective = false; + HasStaticCtorDtorReferenceInStaticMode = false; + LinkerRequiresNonEmptyDwarfLines = false; MaxInstLength = 4; PCSymbol = "$"; - SeparatorChar = ';'; - CommentColumn = 60; + SeparatorString = ";"; + CommentColumn = 40; CommentString = "#"; + LabelSuffix = ":"; + DebugLabelSuffix = ":"; GlobalPrefix = ""; PrivateGlobalPrefix = "."; LinkerPrivateGlobalPrefix = ""; InlineAsmStart = "APP"; InlineAsmEnd = "NO_APP"; + Code16Directive = ".code16"; + Code32Directive = ".code32"; + Code64Directive = ".code64"; AssemblerDialect = 0; AllowQuotesInName = false; AllowNameToStartWithDigit = false; + AllowPeriodsInName = true; + AllowUTF8 = true; + UseDataRegionDirectives = false; ZeroDirective = "\t.zero\t"; - ZeroDirectiveSuffix = 0; AsciiDirective = "\t.ascii\t"; AscizDirective = "\t.asciz\t"; Data8bitsDirective = "\t.byte\t"; @@ -48,35 +64,31 @@ MCAsmInfo::MCAsmInfo() { AlignDirective = "\t.align\t"; AlignmentIsInBytes = true; TextAlignFillValue = 0; - JumpTableDirective = 0; - PICJumpTableDirective = 0; + GPRel64Directive = 0; + GPRel32Directive = 0; GlobalDirective = "\t.globl\t"; - SetDirective = 0; - LCOMMDirective = 0; - COMMDirective = "\t.comm\t"; - COMMDirectiveTakesAlignment = true; + HasSetDirective = true; + HasAggressiveSymbolFolding = true; + COMMDirectiveAlignmentIsInBytes = true; + LCOMMDirectiveAlignmentType = LCOMM::NoAlignment; HasDotTypeDotSizeDirective = true; HasSingleParameterDotFile = true; - UsedDirective = 0; + HasNoDeadStrip = false; + HasSymbolResolver = false; WeakRefDirective = 0; WeakDefDirective = 0; - // FIXME: These are ELFish - move to ELFMAI. - HiddenDirective = "\t.hidden\t"; - ProtectedDirective = "\t.protected\t"; - AbsoluteDebugSectionOffsets = false; - AbsoluteEHSectionOffsets = false; + LinkOnceDirective = 0; + HiddenVisibilityAttr = MCSA_Hidden; + HiddenDeclarationVisibilityAttr = MCSA_Hidden; + ProtectedVisibilityAttr = MCSA_Protected; HasLEB128 = false; - HasDotLocAndDotFile = false; SupportsDebugInformation = false; ExceptionsType = ExceptionHandling::None; - DwarfRequiresFrameSection = true; DwarfUsesInlineInfoSection = false; - Is_EHSymbolPrivate = true; - GlobalEHDirective = 0; - SupportsWeakOmittedEHFrame = true; DwarfSectionOffsetDirective = 0; - - AsmTransCBE = 0; + DwarfUsesRelocationsAcrossSections = true; + DwarfRegNumForCFI = false; + HasMicrosoftFastStdCallMangling = false; } MCAsmInfo::~MCAsmInfo() { @@ -105,3 +117,25 @@ unsigned MCAsmInfo::getSLEB128Size(int Value) { } while (IsMore); return Size; } + +const MCExpr * +MCAsmInfo::getExprForPersonalitySymbol(const MCSymbol *Sym, + unsigned Encoding, + MCStreamer &Streamer) const { + return getExprForFDESymbol(Sym, Encoding, Streamer); +} + +const MCExpr * +MCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym, + unsigned Encoding, + MCStreamer &Streamer) const { + if (!(Encoding & dwarf::DW_EH_PE_pcrel)) + return MCSymbolRefExpr::Create(Sym, Streamer.getContext()); + + MCContext &Context = Streamer.getContext(); + const MCExpr *Res = MCSymbolRefExpr::Create(Sym, Context); + MCSymbol *PCSym = Context.CreateTempSymbol(); + Streamer.EmitLabel(PCSym); + const MCExpr *PC = MCSymbolRefExpr::Create(PCSym, Context); + return MCBinaryExpr::CreateSub(Res, PC, Context); +}