diff options
Diffstat (limited to 'lib/MC/MCContext.cpp')
-rw-r--r-- | lib/MC/MCContext.cpp | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/lib/MC/MCContext.cpp b/lib/MC/MCContext.cpp index dc757bb0bf..93388c00f8 100644 --- a/lib/MC/MCContext.cpp +++ b/lib/MC/MCContext.cpp @@ -11,6 +11,7 @@ #include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCSectionMachO.h" #include "llvm/MC/MCSectionELF.h" +#include "llvm/MC/MCSectionCOFF.h" #include "llvm/MC/MCSymbol.h" #include "llvm/ADT/SmallString.h" #include "llvm/ADT/Twine.h" @@ -18,11 +19,13 @@ using namespace llvm; typedef StringMap<const MCSectionMachO*> MachOUniqueMapTy; typedef StringMap<const MCSectionELF*> ELFUniqueMapTy; +typedef StringMap<const MCSectionCOFF*> COFFUniqueMapTy; MCContext::MCContext(const MCAsmInfo &mai) : MAI(mai), NextUniqueID(0) { MachOUniquingMap = 0; ELFUniquingMap = 0; + COFFUniquingMap = 0; } MCContext::~MCContext() { @@ -32,6 +35,7 @@ MCContext::~MCContext() { // If we have the MachO uniquing map, free it. delete (MachOUniqueMapTy*)MachOUniquingMap; delete (ELFUniqueMapTy*)ELFUniquingMap; + delete (COFFUniqueMapTy*)COFFUniquingMap; } //===----------------------------------------------------------------------===// @@ -122,4 +126,19 @@ getELFSection(StringRef Section, unsigned Type, unsigned Flags, return Result; } - +const MCSection *MCContext:: +getCOFFSection(StringRef Section, unsigned Flags, SectionKind Kind) { + if (COFFUniquingMap == 0) + COFFUniquingMap = new COFFUniqueMapTy(); + COFFUniqueMapTy &Map = *(COFFUniqueMapTy*)COFFUniquingMap; + + // Do the lookup, if we have a hit, return it. + StringMapEntry<const MCSectionCOFF*> &Entry = Map.GetOrCreateValue(Section); + if (Entry.getValue()) return Entry.getValue(); + + MCSectionCOFF *Result = new (*this) MCSectionCOFF(Entry.getKey(), Flags, + Kind); + + Entry.setValue(Result); + return Result; +} |