1 files changed, 28 insertions, 1 deletions

diff --git a/include/llvm/MC/MCContext.h b/include/llvm/MC/MCContext.h
index 4434341f5295..03b5fb0c1fe4 100644
--- a/include/llvm/MC/MCContext.h
+++ b/include/llvm/MC/MCContext.h
@@ -20,6 +20,7 @@ namespace llvm {
   class MCExpr;
   class MCSection;
   class MCSymbol;
+  class MCLabel;
   class StringRef;
   class Twine;
   class MCSectionMachO;
@@ -43,6 +44,15 @@ namespace llvm {
     /// NextUniqueID - The next ID to dole out to an unnamed assembler temporary
     /// symbol.
     unsigned NextUniqueID;
+
+    /// Instances of directional local labels.
+    DenseMap<unsigned, MCLabel *> Instances;
+    /// NextInstance() creates the next instance of the directional local label
+    /// for the LocalLabelVal and adds it to the map if needed.
+    unsigned NextInstance(int64_t LocalLabelVal);
+    /// GetInstance() gets the current instance of the directional local label
+    /// for the LocalLabelVal and adds it to the map if needed.
+    unsigned GetInstance(int64_t LocalLabelVal);
     
     /// Allocator - Allocator object used for creating machine code objects.
     ///
@@ -50,7 +60,7 @@ namespace llvm {
     /// objects.
     BumpPtrAllocator Allocator;
     
-    void *MachOUniquingMap, *ELFUniquingMap;
+    void *MachOUniquingMap, *ELFUniquingMap, *COFFUniquingMap;
   public:
     explicit MCContext(const MCAsmInfo &MAI);
     ~MCContext();
@@ -64,6 +74,14 @@ namespace llvm {
     /// with a unique but unspecified name.
     MCSymbol *CreateTempSymbol();
 
+    /// CreateDirectionalLocalSymbol - Create the defintion of a directional
+    /// local symbol for numbered label (used for "1:" defintions).
+    MCSymbol *CreateDirectionalLocalSymbol(int64_t LocalLabelVal);
+
+    /// GetDirectionalLocalSymbol - Create and return a directional local
+    /// symbol for numbered label (used for "1b" or 1f" references).
+    MCSymbol *GetDirectionalLocalSymbol(int64_t LocalLabelVal, int bORf);
+
     /// GetOrCreateSymbol - Lookup the symbol inside with the specified
     /// @p Name.  If it exists, return it.  If not, create a forward
     /// reference and return it.
@@ -97,6 +115,15 @@ namespace llvm {
     const MCSection *getELFSection(StringRef Section, unsigned Type,
                                    unsigned Flags, SectionKind Kind,
                                    bool IsExplicit = false);
+
+    const MCSection *getCOFFSection(StringRef Section, unsigned Characteristics,
+                                    int Selection, SectionKind Kind);
+
+    const MCSection *getCOFFSection(StringRef Section, unsigned Characteristics,
+                                    SectionKind Kind) {
+      return getCOFFSection (Section, Characteristics, 0, Kind);
+    }
+
     
     /// @}