Move the X86 specific bits of the ELF writer to the Target/X86 directory.

Other targets will follow shortly.

llvm-svn: 147060

3 files changed, 19 insertions, 208 deletions

diff --git a/llvm/lib/MC/ELFObjectWriter.cpp b/llvm/lib/MC/ELFObjectWriter.cpp
index 5e1b0d0dfed..8918097d3d3 100644
--- a/llvm/lib/MC/ELFObjectWriter.cpp
+++ b/llvm/lib/MC/ELFObjectWriter.cpp
@@ -29,7 +29,6 @@
 #include "llvm/ADT/StringSwitch.h"
 
 #include "../Target/Mips/MCTargetDesc/MipsFixupKinds.h"
-#include "../Target/X86/MCTargetDesc/X86FixupKinds.h"
 #include "../Target/ARM/MCTargetDesc/ARMFixupKinds.h"
 #include "../Target/PowerPC/MCTargetDesc/PPCFixupKinds.h"
 
@@ -1261,7 +1260,7 @@ MCObjectWriter *llvm::createELFObjectWriter(MCELFObjectTargetWriter *MOTW,
   switch (MOTW->getEMachine()) {
     case ELF::EM_386:
     case ELF::EM_X86_64:
-      return new X86ELFObjectWriter(MOTW, OS, IsLittleEndian); break;
+      return new ELFObjectWriter(MOTW, OS, IsLittleEndian); break;
     case ELF::EM_ARM:
       return new ARMELFObjectWriter(MOTW, OS, IsLittleEndian); break;
     case ELF::EM_MBLAZE:
@@ -1275,6 +1274,15 @@ MCObjectWriter *llvm::createELFObjectWriter(MCELFObjectTargetWriter *MOTW,
   }
 }
 
+unsigned ELFObjectWriter::GetRelocType(const MCValue &Target,
+                                       const MCFixup &Fixup,
+                                       bool IsPCRel,
+                                       bool IsRelocWithSymbol,
+                                       int64_t Addend) const {
+  return TargetObjectWriter->GetRelocType(Target, Fixup, IsPCRel,
+                                          IsRelocWithSymbol, Addend);
+}
+
 /// START OF SUBCLASSES for ELFObjectWriter
 //===- ARMELFObjectWriter -------------------------------------------===//
 
@@ -1628,195 +1636,6 @@ unsigned MBlazeELFObjectWriter::GetRelocType(const MCValue &Target,
   return Type;
 }
 
-//===- X86ELFObjectWriter -------------------------------------------===//
-
-
-X86ELFObjectWriter::X86ELFObjectWriter(MCELFObjectTargetWriter *MOTW,
-                                       raw_ostream &_OS,
-                                       bool IsLittleEndian)
-  : ELFObjectWriter(MOTW, _OS, IsLittleEndian)
-{}
-
-X86ELFObjectWriter::~X86ELFObjectWriter()
-{}
-
-unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
-                                          const MCFixup &Fixup,
-                                          bool IsPCRel,
-                                          bool IsRelocWithSymbol,
-                                          int64_t Addend) const {
-  // determine the type of the relocation
-
-  MCSymbolRefExpr::VariantKind Modifier = Target.isAbsolute() ?
-    MCSymbolRefExpr::VK_None : Target.getSymA()->getKind();
-  unsigned Type;
-  if (is64Bit()) {
-    if (IsPCRel) {
-      switch ((unsigned)Fixup.getKind()) {
-      default: llvm_unreachable("invalid fixup kind!");
-
-      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_PCRel_8:
-        assert(Modifier == MCSymbolRefExpr::VK_None);
-        Type = ELF::R_X86_64_PC64;
-        break;
-      case X86::reloc_signed_4byte:
-      case X86::reloc_riprel_4byte_movq_load:
-      case X86::reloc_riprel_4byte:
-      case FK_PCRel_4:
-        switch (Modifier) {
-        default:
-          llvm_unreachable("Unimplemented");
-        case MCSymbolRefExpr::VK_None:
-          Type = ELF::R_X86_64_PC32;
-          break;
-        case MCSymbolRefExpr::VK_PLT:
-          Type = ELF::R_X86_64_PLT32;
-          break;
-        case MCSymbolRefExpr::VK_GOTPCREL:
-          Type = ELF::R_X86_64_GOTPCREL;
-          break;
-        case MCSymbolRefExpr::VK_GOTTPOFF:
-          Type = ELF::R_X86_64_GOTTPOFF;
-        break;
-        case MCSymbolRefExpr::VK_TLSGD:
-          Type = ELF::R_X86_64_TLSGD;
-          break;
-        case MCSymbolRefExpr::VK_TLSLD:
-          Type = ELF::R_X86_64_TLSLD;
-          break;
-        }
-        break;
-      case FK_PCRel_2:
-        assert(Modifier == MCSymbolRefExpr::VK_None);
-        Type = ELF::R_X86_64_PC16;
-        break;
-      case FK_PCRel_1:
-        assert(Modifier == MCSymbolRefExpr::VK_None);
-        Type = ELF::R_X86_64_PC8;
-        break;
-      }
-    } else {
-      switch ((unsigned)Fixup.getKind()) {
-      default: llvm_unreachable("invalid fixup kind!");
-      case FK_Data_8: Type = ELF::R_X86_64_64; break;
-      case X86::reloc_signed_4byte:
-        switch (Modifier) {
-        default:
-          llvm_unreachable("Unimplemented");
-        case MCSymbolRefExpr::VK_None:
-          Type = ELF::R_X86_64_32S;
-          break;
-        case MCSymbolRefExpr::VK_GOT:
-          Type = ELF::R_X86_64_GOT32;
-          break;
-        case MCSymbolRefExpr::VK_GOTPCREL:
-          Type = ELF::R_X86_64_GOTPCREL;
-          break;
-        case MCSymbolRefExpr::VK_TPOFF:
-          Type = ELF::R_X86_64_TPOFF32;
-          break;
-        case MCSymbolRefExpr::VK_DTPOFF:
-          Type = ELF::R_X86_64_DTPOFF32;
-          break;
-        }
-        break;
-      case FK_Data_4:
-        Type = ELF::R_X86_64_32;
-        break;
-      case FK_Data_2: Type = ELF::R_X86_64_16; break;
-      case FK_PCRel_1:
-      case FK_Data_1: Type = ELF::R_X86_64_8; break;
-      }
-    }
-  } else {
-    if (IsPCRel) {
-      switch ((unsigned)Fixup.getKind()) {
-      default: llvm_unreachable("invalid fixup kind!");
-
-      case X86::reloc_global_offset_table:
-        Type = ELF::R_386_GOTPC;
-        break;
-
-      case X86::reloc_signed_4byte:
-      case FK_PCRel_4:
-      case FK_Data_4:
-        switch (Modifier) {
-        default:
-          llvm_unreachable("Unimplemented");
-        case MCSymbolRefExpr::VK_None:
-          Type = ELF::R_386_PC32;
-          break;
-        case MCSymbolRefExpr::VK_PLT:
-          Type = ELF::R_386_PLT32;
-          break;
-        }
-        break;
-      }
-    } else {
-      switch ((unsigned)Fixup.getKind()) {
-      default: llvm_unreachable("invalid fixup kind!");
-
-      case X86::reloc_global_offset_table:
-        Type = ELF::R_386_GOTPC;
-        break;
-
-      // FIXME: Should we avoid selecting reloc_signed_4byte in 32 bit mode
-      // instead?
-      case X86::reloc_signed_4byte:
-      case FK_PCRel_4:
-      case FK_Data_4:
-        switch (Modifier) {
-        default:
-          llvm_unreachable("Unimplemented");
-        case MCSymbolRefExpr::VK_None:
-          Type = ELF::R_386_32;
-          break;
-        case MCSymbolRefExpr::VK_GOT:
-          Type = ELF::R_386_GOT32;
-          break;
-        case MCSymbolRefExpr::VK_GOTOFF:
-          Type = ELF::R_386_GOTOFF;
-          break;
-        case MCSymbolRefExpr::VK_TLSGD:
-          Type = ELF::R_386_TLS_GD;
-          break;
-        case MCSymbolRefExpr::VK_TPOFF:
-          Type = ELF::R_386_TLS_LE_32;
-          break;
-        case MCSymbolRefExpr::VK_INDNTPOFF:
-          Type = ELF::R_386_TLS_IE;
-          break;
-        case MCSymbolRefExpr::VK_NTPOFF:
-          Type = ELF::R_386_TLS_LE;
-          break;
-        case MCSymbolRefExpr::VK_GOTNTPOFF:
-          Type = ELF::R_386_TLS_GOTIE;
-          break;
-        case MCSymbolRefExpr::VK_TLSLDM:
-          Type = ELF::R_386_TLS_LDM;
-          break;
-        case MCSymbolRefExpr::VK_DTPOFF:
-          Type = ELF::R_386_TLS_LDO_32;
-          break;
-        case MCSymbolRefExpr::VK_GOTTPOFF:
-          Type = ELF::R_386_TLS_IE_32;
-          break;
-        }
-        break;
-      case FK_Data_2: Type = ELF::R_386_16; break;
-      case FK_PCRel_1:
-      case FK_Data_1: Type = ELF::R_386_8; break;
-      }
-    }
-  }
-
-  return Type;
-}
-
 //===- MipsELFObjectWriter -------------------------------------------===//
 
 MipsELFObjectWriter::MipsELFObjectWriter(MCELFObjectTargetWriter *MOTW,
diff --git a/llvm/lib/MC/ELFObjectWriter.h b/llvm/lib/MC/ELFObjectWriter.h
index 3ba722c2703..32ab198fd5d 100644
--- a/llvm/lib/MC/ELFObjectWriter.h
+++ b/llvm/lib/MC/ELFObjectWriter.h
@@ -351,27 +351,11 @@ class ELFObjectWriter : public MCObjectWriter {
   protected:
     virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
                                   bool IsPCRel, bool IsRelocWithSymbol,
-                                  int64_t Addend) const = 0;
+                                  int64_t Addend) const;
     virtual void adjustFixupOffset(const MCFixup &Fixup,
                                    uint64_t &RelocOffset) {}
   };
 
-  //===- X86ELFObjectWriter -------------------------------------------===//
-
-  class X86ELFObjectWriter : public ELFObjectWriter {
-  public:
-    X86ELFObjectWriter(MCELFObjectTargetWriter *MOTW,
-                       raw_ostream &_OS,
-                       bool IsLittleEndian);
-
-    virtual ~X86ELFObjectWriter();
-  protected:
-    virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
-                                  bool IsPCRel, bool IsRelocWithSymbol,
-                                  int64_t Addend) const;
-  };
-
-
   //===- ARMELFObjectWriter -------------------------------------------===//
 
   class ARMELFObjectWriter : public ELFObjectWriter {
diff --git a/llvm/lib/MC/MCELFObjectTargetWriter.cpp b/llvm/lib/MC/MCELFObjectTargetWriter.cpp
index 1d5698dd452..51435174d9f 100644
--- a/llvm/lib/MC/MCELFObjectTargetWriter.cpp
+++ b/llvm/lib/MC/MCELFObjectTargetWriter.cpp
@@ -19,5 +19,13 @@ MCELFObjectTargetWriter::MCELFObjectTargetWriter(bool Is64Bit_,
     HasRelocationAddend(HasRelocationAddend_), Is64Bit(Is64Bit_) {
 }
 
+unsigned MCELFObjectTargetWriter::GetRelocType(const MCValue &Target,
+                                               const MCFixup &Fixup,
+                                               bool IsPCRel,
+                                               bool IsRelocWithSymbol,
+                                               int64_t Addend) const {
+  return 0;
+}
+
 MCELFObjectTargetWriter::~MCELFObjectTargetWriter() {
 }