Use R_X86_64_32S to handle Jump Table Index relocation entries. Hide TAI usage inside getSection* functions

llvm-svn: 76347

2 files changed, 11 insertions, 0 deletions

diff --git a/llvm/lib/Target/X86/X86ELFWriterInfo.cpp b/llvm/lib/Target/X86/X86ELFWriterInfo.cpp
index 4e4b6f1d917..9e44f97ca80 100644
--- a/llvm/lib/Target/X86/X86ELFWriterInfo.cpp
+++ b/llvm/lib/Target/X86/X86ELFWriterInfo.cpp
@@ -84,6 +84,7 @@ unsigned X86ELFWriterInfo::getRelocationTySize(unsigned RelTy) const {
     switch(RelTy) {
       case R_X86_64_PC32:
       case R_X86_64_32:
+      case R_X86_64_32S:
         return 32;
       case R_X86_64_64:
         return 64;
diff --git a/llvm/lib/Target/X86/X86ELFWriterInfo.h b/llvm/lib/Target/X86/X86ELFWriterInfo.h
index 7782a5b12fb..e534e17f28a 100644
--- a/llvm/lib/Target/X86/X86ELFWriterInfo.h
+++ b/llvm/lib/Target/X86/X86ELFWriterInfo.h
@@ -49,6 +49,16 @@ namespace llvm {
     /// ELF relocation entry.
     virtual bool hasRelocationAddend() const { return is64Bit ? true : false; }
 
+    /// hasCustomJumpTableIndexRelTy - Returns true if the target has a
+    /// specific relocation type for a jump table index.
+    virtual bool hasCustomJumpTableIndexRelTy() const {
+      return is64Bit ? true : false;
+    }
+
+    /// getJumpTableIndexRelTy - Returns the target specific relocation type
+    /// for a jump table index.
+    virtual unsigned getJumpTableIndexRelTy() const { return R_X86_64_32S; }
+
     /// getAddendForRelTy - Gets the addend value for an ELF relocation entry
     /// based on the target relocation type
     virtual long int getDefaultAddendForRelTy(unsigned RelTy) const;