Add back commits r219835 and a fixed version of r219829.

[oota-llvm.git] / include / llvm / MC / MCContext.h

diff --git a/include/llvm/MC/MCContext.h b/include/llvm/MC/MCContext.h
index eb0340f7421a322bd3b45da5612b6b9db14e4f76..f209448d1bf3963da19500834d0b9003a2ee33f7 100644 (file)
--- a/include/llvm/MC/MCContext.h
+++ b/include/llvm/MC/MCContext.h
@@ -73,6 +73,10 @@ namespace llvm {
     /// Symbols - Bindings of names to symbols.
     SymbolTable Symbols;
 
+    /// ELF sections can have a corresponding symbol. This maps one to the
+    /// other.
+    DenseMap<const MCSectionELF*, MCSymbol*> SectionSymbols;
+
     /// A maping from a local label number and an instance count to a symbol.
     /// For example, in the assembly
     ///     1:
@@ -231,6 +235,8 @@ namespace llvm {
     MCSymbol *GetOrCreateSymbol(StringRef Name);
     MCSymbol *GetOrCreateSymbol(const Twine &Name);
 
+    MCSymbol *getOrCreateSectionSymbol(const MCSectionELF &Section);
+
     /// LookupSymbol - Get the symbol for \p Name, or null.
     MCSymbol *LookupSymbol(StringRef Name) const;
     MCSymbol *LookupSymbol(const Twine &Name) const;
@@ -284,6 +290,13 @@ namespace llvm {
 
     const MCSectionCOFF *getCOFFSection(StringRef Section);
 
+    /// Gets or creates a section equivalent to Sec that is associated with the
+    /// section containing KeySym. For example, to create a debug info section
+    /// associated with an inline function, pass the normal debug info section
+    /// as Sec and the function symbol as KeySym.
+    const MCSectionCOFF *getAssociativeCOFFSection(const MCSectionCOFF *Sec,
+                                                   const MCSymbol *KeySym);
+
     /// @}
 
     /// @name Dwarf Management