Add more methods to gather target specific elf stuff

[oota-llvm.git] / lib / Target / X86 / X86ELFWriterInfo.h

diff --git a/lib/Target/X86/X86ELFWriterInfo.h b/lib/Target/X86/X86ELFWriterInfo.h
index e9c5bc45cba31cf485d2b26f790cb98ca93cd259..96485b8970714ced36f304dbab0cfdc26f66182c 100644 (file)
--- a/lib/Target/X86/X86ELFWriterInfo.h
+++ b/lib/Target/X86/X86ELFWriterInfo.h
@@ -19,11 +19,43 @@
 namespace llvm {
 
   class X86ELFWriterInfo : public TargetELFWriterInfo {
+
+    // ELF Relocation types for X86
+    enum X86RelocationType {
+      R_386_NONE = 0,
+      R_386_32   = 1,
+      R_386_PC32 = 2
+    };
+
+    // ELF Relocation types for X86_64
+    enum X86_64RelocationType {
+      R_X86_64_NONE = 0,
+      R_X86_64_64   = 1,
+      R_X86_64_PC32 = 2,
+      R_X86_64_32   = 10,
+      R_X86_64_32S  = 11,
+      R_X86_64_PC64 = 24
+    };
+
   public:
     X86ELFWriterInfo(TargetMachine &TM);
     virtual ~X86ELFWriterInfo();
 
+    /// getFunctionAlignment - Returns the alignment for function 'F', targets
+    /// with different alignment constraints should overload this method
     virtual unsigned getFunctionAlignment(const Function *F) const;
+
+    /// getRelocationType - Returns the target specific ELF Relocation type.
+    /// 'MachineRelTy' contains the object code independent relocation type
+    virtual unsigned getRelocationType(unsigned MachineRelTy) const;
+
+    /// hasRelocationAddend - True if the target uses an addend in the
+    /// ELF relocation entry.
+    virtual bool hasRelocationAddend() const { return is64Bit ? true : false; }
+
+    /// getAddendForRelTy - Gets the addend value for an ELF relocation entry
+    /// based on the target relocation type
+    virtual long int getAddendForRelTy(unsigned RelTy) const;
   };
 
 } // end llvm namespace