#include "llvm/MC/MCContext.h"
#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/MC/MCLabel.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Twine.h"
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() {
// If we have the MachO uniquing map, free it.
delete (MachOUniqueMapTy*)MachOUniquingMap;
+ delete (ELFUniqueMapTy*)ELFUniquingMap;
+ delete (COFFUniqueMapTy*)COFFUniquingMap;
}
//===----------------------------------------------------------------------===//
"tmp" + Twine(NextUniqueID++));
}
+unsigned MCContext::NextInstance(int64_t LocalLabelVal) {
+ MCLabel *&Label = Instances[LocalLabelVal];
+ if (!Label)
+ Label = new (*this) MCLabel(0);
+ return Label->incInstance();
+}
+
+unsigned MCContext::GetInstance(int64_t LocalLabelVal) {
+ MCLabel *&Label = Instances[LocalLabelVal];
+ if (!Label)
+ Label = new (*this) MCLabel(0);
+ return Label->getInstance();
+}
+
+MCSymbol *MCContext::CreateDirectionalLocalSymbol(int64_t LocalLabelVal) {
+ return GetOrCreateSymbol(Twine(MAI.getPrivateGlobalPrefix()) +
+ Twine(LocalLabelVal) +
+ "\2" +
+ Twine(NextInstance(LocalLabelVal)));
+}
+MCSymbol *MCContext::GetDirectionalLocalSymbol(int64_t LocalLabelVal,
+ int bORf) {
+ return GetOrCreateSymbol(Twine(MAI.getPrivateGlobalPrefix()) +
+ Twine(LocalLabelVal) +
+ "\2" +
+ Twine(GetInstance(LocalLabelVal) + bORf));
+}
+
MCSymbol *MCContext::LookupSymbol(StringRef Name) const {
return Symbols.lookup(Name);
}
if (Entry) return Entry;
// Otherwise, return a new section.
- return Entry = MCSectionMachO::Create(Segment, Section, TypeAndAttributes,
- Reserved2, Kind, *this);
+ return Entry = new (*this) MCSectionMachO(Segment, Section, TypeAndAttributes,
+ Reserved2, Kind);
+}
+
+
+const MCSection *MCContext::
+getELFSection(StringRef Section, unsigned Type, unsigned Flags,
+ SectionKind Kind, bool IsExplicit) {
+ if (ELFUniquingMap == 0)
+ ELFUniquingMap = new ELFUniqueMapTy();
+ ELFUniqueMapTy &Map = *(ELFUniqueMapTy*)ELFUniquingMap;
+
+ // Do the lookup, if we have a hit, return it.
+ StringMapEntry<const MCSectionELF*> &Entry = Map.GetOrCreateValue(Section);
+ if (Entry.getValue()) return Entry.getValue();
+
+ MCSectionELF *Result = new (*this) MCSectionELF(Entry.getKey(), Type, Flags,
+ Kind, IsExplicit);
+ Entry.setValue(Result);
+ return Result;
+}
+
+const MCSection *MCContext::getCOFFSection(StringRef Section,
+ unsigned Characteristics,
+ int Selection,
+ 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(),
+ Characteristics,
+ Selection, Kind);
+
+ Entry.setValue(Result);
+ return Result;
}