1 files changed, 20 insertions, 10 deletions
diff --git a/lib/Target/X86/X86Relocations.h b/lib/Target/X86/X86Relocations.h
index b225f48..990962d 100644
--- a/lib/Target/X86/X86Relocations.h
+++ b/lib/Target/X86/X86Relocations.h
@@ -20,21 +20,31 @@ namespace llvm {
   namespace X86 {
     /// RelocationType - An enum for the x86 relocation codes. Note that
     /// the terminology here doesn't follow x86 convention - word means
-    /// 32-bit and dword means 64-bit.
+    /// 32-bit and dword means 64-bit. The relocations will be treated
+    /// by JIT or ObjectCode emitters, this is transparent to the x86 code 
+    /// emitter but JIT and ObjectCode will treat them differently
     enum RelocationType {
-      // reloc_pcrel_word - PC relative relocation, add the relocated value to
-      // the value already in memory, after we adjust it for where the PC is.
+      /// reloc_pcrel_word - PC relative relocation, add the relocated value to
+      /// the value already in memory, after we adjust it for where the PC is.
       reloc_pcrel_word = 0,
 
-      // reloc_picrel_word - PIC base relative relocation, add the relocated
-      // value to the value already in memory, after we adjust it for where the
-      // PIC base is.
+      /// reloc_picrel_word - PIC base relative relocation, add the relocated
+      /// value to the value already in memory, after we adjust it for where the
+      /// PIC base is.
       reloc_picrel_word = 1,
-      
-      // reloc_absolute_word, reloc_absolute_dword - Absolute relocation, just
-      // add the relocated value to the value already in memory.
+
+      /// reloc_absolute_word - absolute relocation, just add the relocated
+      /// value to the value already in memory.
       reloc_absolute_word = 2,
-      reloc_absolute_dword = 3
+
+      /// reloc_absolute_word_sext - absolute relocation, just add the relocated
+      /// value to the value already in memory. In object files, it represents a
+      /// value which must be sign-extended when resolving the relocation.
+      reloc_absolute_word_sext = 3,
+
+      /// reloc_absolute_dword - absolute relocation, just add the relocated
+      /// value to the value already in memory.
+      reloc_absolute_dword = 4
     };
   }
 }