Fix pr19645.

[oota-llvm.git] / lib / Target / X86 / MCTargetDesc / X86ELFObjectWriter.cpp

diff --git a/lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp b/lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp
index b400b87f30b3de2483c0c3e22431f01cf7fe5649..3fdec874cbac742add6c9e5c0da89f1274448923 100644 (file)
--- a/lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp
+++ b/lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp
@@ -24,9 +24,8 @@ namespace {
 
     virtual ~X86ELFObjectWriter();
   protected:
-    virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
-                                  bool IsPCRel, bool IsRelocWithSymbol,
-                                  int64_t Addend) const;
+    unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
+                          bool IsPCRel) const override;
   };
 }
 
@@ -41,13 +40,10 @@ X86ELFObjectWriter::~X86ELFObjectWriter()
 
 unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
                                           const MCFixup &Fixup,
-                                          bool IsPCRel,
-                                          bool IsRelocWithSymbol,
-                                          int64_t Addend) const {
+                                          bool IsPCRel) const {
   // determine the type of the relocation
 
-  MCSymbolRefExpr::VariantKind Modifier = Target.isAbsolute() ?
-    MCSymbolRefExpr::VK_None : Target.getSymA()->getKind();
+  MCSymbolRefExpr::VariantKind Modifier = Target.getAccessVariant();
   unsigned Type;
   if (getEMachine() == ELF::EM_X86_64) {
     if (IsPCRel) {
@@ -57,6 +53,7 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
       case FK_Data_8: Type = ELF::R_X86_64_PC64; break;
       case FK_Data_4: Type = ELF::R_X86_64_PC32; break;
       case FK_Data_2: Type = ELF::R_X86_64_PC16; break;
+      case FK_Data_1: Type = ELF::R_X86_64_PC8; break;
 
       case FK_PCRel_8:
         assert(Modifier == MCSymbolRefExpr::VK_None);
@@ -101,6 +98,12 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
     } else {
       switch ((unsigned)Fixup.getKind()) {
       default: llvm_unreachable("invalid fixup kind!");
+      case X86::reloc_global_offset_table8:
+        Type = ELF::R_X86_64_GOTPC64;
+        break;
+      case X86::reloc_global_offset_table:
+        Type = ELF::R_X86_64_GOTPC32;
+        break;
       case FK_Data_8:
         switch (Modifier) {
         default:
@@ -108,6 +111,15 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
         case MCSymbolRefExpr::VK_None:
           Type = ELF::R_X86_64_64;
           break;
+        case MCSymbolRefExpr::VK_GOT:
+          Type = ELF::R_X86_64_GOT64;
+          break;
+        case MCSymbolRefExpr::VK_GOTOFF:
+          Type = ELF::R_X86_64_GOTOFF64;
+          break;
+        case MCSymbolRefExpr::VK_TPOFF:
+          Type = ELF::R_X86_64_TPOFF64;
+          break;
         case MCSymbolRefExpr::VK_DTPOFF:
           Type = ELF::R_X86_64_DTPOFF64;
           break;
@@ -151,6 +163,28 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
         Type = ELF::R_386_GOTPC;
         break;
 
+      case FK_PCRel_1:
+      case FK_Data_1:
+        switch (Modifier) {
+        default:
+          llvm_unreachable("Unimplemented");
+        case MCSymbolRefExpr::VK_None:
+          Type = ELF::R_386_PC8;
+          break;
+        }
+        break;
+
+      case FK_PCRel_2:
+      case FK_Data_2:
+        switch (Modifier) {
+        default:
+          llvm_unreachable("Unimplemented");
+        case MCSymbolRefExpr::VK_None:
+          Type = ELF::R_386_PC16;
+          break;
+        }
+        break;
+
       case X86::reloc_signed_4byte:
       case FK_PCRel_4:
       case FK_Data_4: