X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FMC%2FMCContext.h;h=78870d9633e2660e2cff70beeb75105dfd6abe76;hb=d7802bf0ddcac16ee910105922492aee86a53e1b;hp=90f61f5ccb0bc7f32e2821b6b17d7abaf29c1513;hpb=11c2defa9157bd589cb322218c718c4492ed5746;p=oota-llvm.git

diff --git a/include/llvm/MC/MCContext.h b/include/llvm/MC/MCContext.h
index 90f61f5ccb0..78870d9633e 100644
--- a/include/llvm/MC/MCContext.h
+++ b/include/llvm/MC/MCContext.h
@@ -10,11 +10,12 @@
 #ifndef LLVM_MC_MCCONTEXT_H
 #define LLVM_MC_MCCONTEXT_H
 
-#include "llvm/MC/SectionKind.h"
-#include "llvm/MC/MCDwarf.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/StringMap.h"
+#include "llvm/MC/MCDwarf.h"
+#include "llvm/MC/SectionKind.h"
 #include "llvm/Support/Allocator.h"
+#include "llvm/Support/Compiler.h"
 #include "llvm/Support/raw_ostream.h"
 #include <vector> // FIXME: Shouldn't be needed.
 
@@ -29,6 +30,7 @@ namespace llvm {
   class MCObjectFileInfo;
   class MCRegisterInfo;
   class MCLineSection;
+  class SMLoc;
   class StringRef;
   class Twine;
   class MCSectionMachO;
@@ -38,11 +40,13 @@ namespace llvm {
   /// of the sections that it creates.
   ///
   class MCContext {
-    MCContext(const MCContext&); // DO NOT IMPLEMENT
-    MCContext &operator=(const MCContext&); // DO NOT IMPLEMENT
+    MCContext(const MCContext&) LLVM_DELETED_FUNCTION;
+    MCContext &operator=(const MCContext&) LLVM_DELETED_FUNCTION;
   public:
     typedef StringMap<MCSymbol*, BumpPtrAllocator&> SymbolTable;
   private:
+    /// The SourceMgr for this object, if any.
+    const SourceMgr *SrcMgr;
 
     /// The MCAsmInfo for this target.
     const MCAsmInfo &MAI;
@@ -137,9 +141,11 @@ namespace llvm {
 
   public:
     explicit MCContext(const MCAsmInfo &MAI, const MCRegisterInfo &MRI,
-                       const MCObjectFileInfo *MOFI);
+                       const MCObjectFileInfo *MOFI, const SourceMgr *Mgr = 0);
     ~MCContext();
 
+    const SourceMgr *getSourceManager() const { return SrcMgr; }
+
     const MCAsmInfo &getAsmInfo() const { return MAI; }
 
     const MCRegisterInfo &getRegisterInfo() const { return MRI; }
@@ -155,6 +161,10 @@ namespace llvm {
     /// with a unique but unspecified name.
     MCSymbol *CreateTempSymbol();
 
+    /// getUniqueSymbolID() - Return a unique identifier for use in constructing
+    /// symbol names.
+    unsigned getUniqueSymbolID() { return NextUniqueID++; }
+
     /// CreateDirectionalLocalSymbol - Create the definition of a directional
     /// local symbol for numbered label (used for "1:" definitions).
     MCSymbol *CreateDirectionalLocalSymbol(int64_t LocalLabelVal);
@@ -173,6 +183,7 @@ namespace llvm {
 
     /// LookupSymbol - Get the symbol for \p Name, or null.
     MCSymbol *LookupSymbol(StringRef Name) const;
+    MCSymbol *LookupSymbol(const Twine &Name) const;
 
     /// getSymbols - Get a reference for the symbol table for clients that
     /// want to, for example, iterate over all symbols. 'const' because we
@@ -315,6 +326,11 @@ namespace llvm {
     }
     void Deallocate(void *Ptr) {
     }
+
+    // Unrecoverable error has occured. Display the best diagnostic we can
+    // and bail via exit(1). For now, most MC backend errors are unrecoverable.
+    // FIXME: We should really do something about that.
+    LLVM_ATTRIBUTE_NORETURN void FatalError(SMLoc L, const Twine &Msg);
   };
 
 } // end namespace llvm