+ case MCSymbolRefExpr::VK_SIZE:
+ assert(!IsPCRel);
+ switch (Type) {
+ case RT64_64:
+ return ELF::R_X86_64_SIZE64;
+ case RT64_32:
+ return ELF::R_X86_64_SIZE32;
+ case RT64_32S:
+ case RT64_16:
+ case RT64_8:
+ llvm_unreachable("Unimplemented");
+ }
+ case MCSymbolRefExpr::VK_TLSGD:
+ assert(Type == RT64_32);
+ return ELF::R_X86_64_TLSGD;
+ case MCSymbolRefExpr::VK_GOTTPOFF:
+ assert(Type == RT64_32);
+ return ELF::R_X86_64_GOTTPOFF;
+ case MCSymbolRefExpr::VK_TLSLD:
+ assert(Type == RT64_32);
+ return ELF::R_X86_64_TLSLD;
+ case MCSymbolRefExpr::VK_PLT:
+ assert(Type == RT64_32);
+ return ELF::R_X86_64_PLT32;
+ case MCSymbolRefExpr::VK_GOTPCREL:
+ assert(Type == RT64_32);
+ return ELF::R_X86_64_GOTPCREL;
+ }
+}
+
+enum X86_32RelType { RT32_32, RT32_16, RT32_8 };
+
+static X86_32RelType getType32(X86_64RelType T) {
+ switch (T) {
+ case RT64_64:
+ llvm_unreachable("Unimplemented");
+ case RT64_32:
+ case RT64_32S:
+ return RT32_32;
+ case RT64_16:
+ return RT32_16;
+ case RT64_8:
+ return RT32_8;
+ }
+ llvm_unreachable("unexpected relocation type!");
+}
+
+static unsigned getRelocType32(MCSymbolRefExpr::VariantKind Modifier,
+ X86_32RelType Type, bool IsPCRel) {
+ switch (Modifier) {
+ default:
+ llvm_unreachable("Unimplemented");
+ case MCSymbolRefExpr::VK_None:
+ switch (Type) {
+ case RT32_32:
+ return IsPCRel ? ELF::R_386_PC32 : ELF::R_386_32;
+ case RT32_16:
+ return IsPCRel ? ELF::R_386_PC16 : ELF::R_386_16;
+ case RT32_8:
+ return IsPCRel ? ELF::R_386_PC8 : ELF::R_386_8;
+ }
+ case MCSymbolRefExpr::VK_GOT:
+ assert(Type == RT32_32);
+ return IsPCRel ? ELF::R_386_GOTPC : ELF::R_386_GOT32;
+ case MCSymbolRefExpr::VK_GOTOFF:
+ assert(Type == RT32_32);
+ assert(!IsPCRel);
+ return ELF::R_386_GOTOFF;
+ case MCSymbolRefExpr::VK_TPOFF:
+ assert(Type == RT32_32);
+ assert(!IsPCRel);
+ return ELF::R_386_TLS_LE_32;
+ case MCSymbolRefExpr::VK_DTPOFF:
+ assert(Type == RT32_32);
+ assert(!IsPCRel);
+ return ELF::R_386_TLS_LDO_32;
+ case MCSymbolRefExpr::VK_TLSGD:
+ assert(Type == RT32_32);
+ assert(!IsPCRel);
+ return ELF::R_386_TLS_GD;
+ case MCSymbolRefExpr::VK_GOTTPOFF:
+ assert(Type == RT32_32);
+ assert(!IsPCRel);
+ return ELF::R_386_TLS_IE_32;
+ case MCSymbolRefExpr::VK_PLT:
+ assert(Type == RT32_32);
+ return ELF::R_386_PLT32;
+ case MCSymbolRefExpr::VK_INDNTPOFF:
+ assert(Type == RT32_32);
+ assert(!IsPCRel);
+ return ELF::R_386_TLS_IE;
+ case MCSymbolRefExpr::VK_NTPOFF:
+ assert(Type == RT32_32);
+ assert(!IsPCRel);
+ return ELF::R_386_TLS_LE;
+ case MCSymbolRefExpr::VK_GOTNTPOFF:
+ assert(Type == RT32_32);
+ assert(!IsPCRel);
+ return ELF::R_386_TLS_GOTIE;
+ case MCSymbolRefExpr::VK_TLSLDM:
+ assert(Type == RT32_32);
+ assert(!IsPCRel);
+ return ELF::R_386_TLS_LDM;
+ }
+}
+
+unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
+ const MCFixup &Fixup,
+ bool IsPCRel) const {
+ MCSymbolRefExpr::VariantKind Modifier = Target.getAccessVariant();
+ X86_64RelType Type = getType64(Fixup.getKind(), Modifier, IsPCRel);
+ if (getEMachine() == ELF::EM_X86_64)
+ return getRelocType64(Modifier, Type, IsPCRel);