[llvm-commits] [llvm] r119149 - /llvm/trunk/lib/MC/ELFObjectWriter.cpp
Jason W Kim
jason.w.kim.2009 at gmail.com
Mon Nov 15 08:18:39 PST 2010
Author: jasonwkim
Date: Mon Nov 15 10:18:39 2010
New Revision: 119149
URL: http://llvm.org/viewvc/llvm-project?rev=119149&view=rev
Log:
Dovetail with Dan Dunbar's rework of ELFObjectWriter.
Added 2 new subclasses - X86ELFObjectWriter and ARMELFObectWriter.
ARM and X86 require different code for RecordRelocation(), possibly others.
Modified:
llvm/trunk/lib/MC/ELFObjectWriter.cpp
Modified: llvm/trunk/lib/MC/ELFObjectWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/ELFObjectWriter.cpp?rev=119149&r1=119148&r2=119149&view=diff
==============================================================================
--- llvm/trunk/lib/MC/ELFObjectWriter.cpp (original)
+++ llvm/trunk/lib/MC/ELFObjectWriter.cpp Mon Nov 15 10:18:39 2010
@@ -99,6 +99,7 @@
namespace {
class ELFObjectWriter : public MCObjectWriter {
+ protected:
/*static bool isFixupKindX86RIPRel(unsigned Kind) {
return Kind == X86::reloc_riprel_4byte ||
Kind == X86::reloc_riprel_4byte_movq_load;
@@ -194,7 +195,9 @@
Is64Bit(_Is64Bit), HasRelocationAddend(_HasRelAddend),
OSType(_OSType), EMachine(_EMachine) {
}
-
+
+ virtual ~ELFObjectWriter();
+
void WriteWord(uint64_t W) {
if (Is64Bit)
Write64(W);
@@ -265,29 +268,31 @@
F.getContents() += StringRef(buf, 8);
}
- void WriteHeader(uint64_t SectionDataSize, unsigned NumberOfSections);
+ virtual void WriteHeader(uint64_t SectionDataSize, unsigned NumberOfSections);
- void WriteSymbolEntry(MCDataFragment *SymtabF, MCDataFragment *ShndxF,
+ virtual void WriteSymbolEntry(MCDataFragment *SymtabF, MCDataFragment *ShndxF,
uint64_t name, uint8_t info,
uint64_t value, uint64_t size,
uint8_t other, uint32_t shndx,
bool Reserved);
- void WriteSymbol(MCDataFragment *SymtabF, MCDataFragment *ShndxF,
+ virtual void WriteSymbol(MCDataFragment *SymtabF, MCDataFragment *ShndxF,
ELFSymbolData &MSD,
const MCAsmLayout &Layout);
typedef DenseMap<const MCSectionELF*, uint32_t> SectionIndexMapTy;
- void WriteSymbolTable(MCDataFragment *SymtabF, MCDataFragment *ShndxF,
+ virtual void WriteSymbolTable(MCDataFragment *SymtabF, MCDataFragment *ShndxF,
const MCAssembler &Asm,
const MCAsmLayout &Layout,
const SectionIndexMapTy &SectionIndexMap);
- void RecordRelocation(const MCAssembler &Asm, const MCAsmLayout &Layout,
+ virtual void RecordRelocation(const MCAssembler &Asm, const MCAsmLayout &Layout,
const MCFragment *Fragment, const MCFixup &Fixup,
- MCValue Target, uint64_t &FixedValue);
+ MCValue Target, uint64_t &FixedValue) {
+ assert(0 && "RecordRelocation is not specific enough");
+ };
- uint64_t getSymbolIndexInSymbolTable(const MCAssembler &Asm,
+ virtual uint64_t getSymbolIndexInSymbolTable(const MCAssembler &Asm,
const MCSymbol *S);
// Map from a group section to the signature symbol
@@ -300,54 +305,89 @@
/// \param StringTable [out] - The string table data.
/// \param StringIndexMap [out] - Map from symbol names to offsets in the
/// string table.
- void ComputeSymbolTable(MCAssembler &Asm,
+ virtual void ComputeSymbolTable(MCAssembler &Asm,
const SectionIndexMapTy &SectionIndexMap,
RevGroupMapTy RevGroupMap);
- void ComputeIndexMap(MCAssembler &Asm,
+ virtual void ComputeIndexMap(MCAssembler &Asm,
SectionIndexMapTy &SectionIndexMap);
- void WriteRelocation(MCAssembler &Asm, MCAsmLayout &Layout,
+ virtual void WriteRelocation(MCAssembler &Asm, MCAsmLayout &Layout,
const MCSectionData &SD);
- void WriteRelocations(MCAssembler &Asm, MCAsmLayout &Layout) {
+ virtual void WriteRelocations(MCAssembler &Asm, MCAsmLayout &Layout) {
for (MCAssembler::const_iterator it = Asm.begin(),
ie = Asm.end(); it != ie; ++it) {
WriteRelocation(Asm, Layout, *it);
}
}
- void CreateMetadataSections(MCAssembler &Asm, MCAsmLayout &Layout,
+ virtual void CreateMetadataSections(MCAssembler &Asm, MCAsmLayout &Layout,
const SectionIndexMapTy &SectionIndexMap);
- void CreateGroupSections(MCAssembler &Asm, MCAsmLayout &Layout,
+ virtual void CreateGroupSections(MCAssembler &Asm, MCAsmLayout &Layout,
GroupMapTy &GroupMap, RevGroupMapTy &RevGroupMap);
- void ExecutePostLayoutBinding(MCAssembler &Asm);
+ virtual void ExecutePostLayoutBinding(MCAssembler &Asm);
- void WriteSecHdrEntry(uint32_t Name, uint32_t Type, uint64_t Flags,
+ virtual void WriteSecHdrEntry(uint32_t Name, uint32_t Type, uint64_t Flags,
uint64_t Address, uint64_t Offset,
uint64_t Size, uint32_t Link, uint32_t Info,
uint64_t Alignment, uint64_t EntrySize);
- void WriteRelocationsFragment(const MCAssembler &Asm, MCDataFragment *F,
+ virtual void WriteRelocationsFragment(const MCAssembler &Asm, MCDataFragment *F,
const MCSectionData *SD);
- bool IsFixupFullyResolved(const MCAssembler &Asm,
+ virtual bool IsFixupFullyResolved(const MCAssembler &Asm,
const MCValue Target,
bool IsPCRel,
const MCFragment *DF) const;
- void WriteObject(MCAssembler &Asm, const MCAsmLayout &Layout);
- void WriteSection(MCAssembler &Asm,
+ virtual void WriteObject(MCAssembler &Asm, const MCAsmLayout &Layout);
+ virtual void WriteSection(MCAssembler &Asm,
const SectionIndexMapTy &SectionIndexMap,
uint32_t GroupSymbolIndex,
uint64_t Offset, uint64_t Size, uint64_t Alignment,
const MCSectionELF &Section);
};
+ //===- X86ELFObjectWriter -------------------------------------------===//
+
+ class X86ELFObjectWriter : public ELFObjectWriter {
+ public:
+ X86ELFObjectWriter(raw_ostream &_OS, bool _Is64Bit, bool IsLittleEndian,
+ uint16_t _EMachine, bool _HasRelAddend,
+ Triple::OSType _OSType);
+
+ virtual ~X86ELFObjectWriter();
+ virtual void RecordRelocation(const MCAssembler &Asm,
+ const MCAsmLayout &Layout,
+ const MCFragment *Fragment,
+ const MCFixup &Fixup, MCValue Target,
+ uint64_t &FixedValue);
+ };
+
+
+ //===- ARMELFObjectWriter -------------------------------------------===//
+
+ class ARMELFObjectWriter : public ELFObjectWriter {
+ public:
+ ARMELFObjectWriter(raw_ostream &_OS, bool _Is64Bit, bool IsLittleEndian,
+ uint16_t _EMachine, bool _HasRelAddend,
+ Triple::OSType _OSType);
+
+ virtual ~ARMELFObjectWriter();
+ virtual void RecordRelocation(const MCAssembler &Asm,
+ const MCAsmLayout &Layout,
+ const MCFragment *Fragment,
+ const MCFixup &Fixup, MCValue Target,
+ uint64_t &FixedValue);
+ };
}
+ELFObjectWriter::~ELFObjectWriter()
+{}
+
// Emit the ELF header.
void ELFObjectWriter::WriteHeader(uint64_t SectionDataSize,
unsigned NumberOfSections) {
@@ -678,207 +718,6 @@
return NULL;
}
-// FIXME: this is currently X86/X86_64 only
-void ELFObjectWriter::RecordRelocation(const MCAssembler &Asm,
- const MCAsmLayout &Layout,
- const MCFragment *Fragment,
- const MCFixup &Fixup,
- MCValue Target,
- uint64_t &FixedValue) {
- int64_t Addend = 0;
- int Index = 0;
- int64_t Value = Target.getConstant();
- const MCSymbol &Symbol = Target.getSymA()->getSymbol();
- const MCSymbol *RelocSymbol = SymbolToReloc(Asm, Target, *Fragment);
-
- bool IsPCRel = isFixupKindX86PCRel(Fixup.getKind());
- if (!Target.isAbsolute()) {
- if (const MCSymbolRefExpr *RefB = Target.getSymB()) {
- const MCSymbol &SymbolB = RefB->getSymbol();
- MCSymbolData &SDB = Asm.getSymbolData(SymbolB);
- IsPCRel = true;
- MCSectionData *Sec = Fragment->getParent();
-
- // Offset of the symbol in the section
- int64_t a = Layout.getSymbolAddress(&SDB) - Layout.getSectionAddress(Sec);
-
- // Ofeset of the relocation in the section
- int64_t b = Layout.getFragmentOffset(Fragment) + Fixup.getOffset();
- Value += b - a;
- }
-
- if (!RelocSymbol) {
- MCSymbolData &SD = Asm.getSymbolData(Symbol);
- MCFragment *F = SD.getFragment();
-
- Index = F->getParent()->getOrdinal();
-
- MCSectionData *FSD = F->getParent();
- // Offset of the symbol in the section
- Value += Layout.getSymbolAddress(&SD) - Layout.getSectionAddress(FSD);
- } else {
- if (Asm.getSymbolData(Symbol).getFlags() & ELF_Other_Weakref)
- WeakrefUsedInReloc.insert(RelocSymbol);
- else
- UsedInReloc.insert(RelocSymbol);
- Index = -1;
- }
- Addend = Value;
- // Compensate for the addend on i386.
- if (Is64Bit)
- Value = 0;
- }
-
- FixedValue = Value;
-
- // determine the type of the relocation
-
- MCSymbolRefExpr::VariantKind Modifier = Target.getSymA()->getKind();
- unsigned Type;
- if (Is64Bit) {
- if (IsPCRel) {
- 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;
- }
- } 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:
- case X86::reloc_pcrel_4byte:
- assert(isInt<32>(Target.getConstant()));
- 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 X86::reloc_pcrel_1byte:
- case FK_Data_1: Type = ELF::R_X86_64_8; break;
- }
- }
- } else {
- if (IsPCRel) {
- 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;
- }
- } 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 X86::reloc_pcrel_4byte:
- 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;
- }
- break;
- case FK_Data_2: Type = ELF::R_386_16; break;
- case X86::reloc_pcrel_1byte:
- case FK_Data_1: Type = ELF::R_386_8; break;
- }
- }
- }
-
- if (RelocNeedsGOT(Modifier))
- NeedsGOT = true;
-
- ELFRelocationEntry ERE;
-
- ERE.Index = Index;
- ERE.Type = Type;
- ERE.Symbol = RelocSymbol;
-
- ERE.r_offset = Layout.getFragmentOffset(Fragment) + Fixup.getOffset();
-
- if (HasRelocationAddend)
- ERE.r_addend = Addend;
- else
- ERE.r_addend = 0; // Silence compiler warning.
-
- Relocations[Fragment->getParent()].push_back(ERE);
-}
uint64_t
ELFObjectWriter::getSymbolIndexInSymbolTable(const MCAssembler &Asm,
@@ -1512,6 +1351,255 @@
uint16_t EMachine,
bool IsLittleEndian,
bool HasRelocationAddend) {
- return new ELFObjectWriter(OS, Is64Bit, IsLittleEndian, EMachine,
- HasRelocationAddend, OSType);
+ switch (EMachine) {
+ case ELF::EM_386:
+ case ELF::EM_X86_64:
+ return new X86ELFObjectWriter(OS, Is64Bit, IsLittleEndian, EMachine,
+ HasRelocationAddend, OSType); break;
+ case ELF::EM_ARM:
+ return new ARMELFObjectWriter(OS, Is64Bit, IsLittleEndian, EMachine,
+ HasRelocationAddend, OSType); break;
+ default: assert(0 && "Unsupported architecture"); break;
+ }
+}
+
+
+/// START OF SUBCLASSES for ELFObjectWriter
+//===- ARMELFObjectWriter -------------------------------------------===//
+
+ARMELFObjectWriter::ARMELFObjectWriter(raw_ostream &_OS, bool _Is64Bit,
+ bool _IsLittleEndian,
+ uint16_t _EMachine, bool _HasRelocationAddend,
+ Triple::OSType _OSType)
+ : ELFObjectWriter(_OS, _Is64Bit, _IsLittleEndian, _EMachine,
+ _HasRelocationAddend, _OSType)
+{}
+
+ARMELFObjectWriter::~ARMELFObjectWriter()
+{}
+
+void ARMELFObjectWriter::RecordRelocation(const MCAssembler &Asm,
+ const MCAsmLayout &Layout,
+ const MCFragment *Fragment,
+ const MCFixup &Fixup,
+ MCValue Target,
+ uint64_t &FixedValue) {
+ assert(0 && "ARMELFObjectWriter::RecordRelocation() unimplemented");
+}
+
+
+
+//===- X86ELFObjectWriter -------------------------------------------===//
+
+
+X86ELFObjectWriter::X86ELFObjectWriter(raw_ostream &_OS, bool _Is64Bit,
+ bool _IsLittleEndian,
+ uint16_t _EMachine, bool _HasRelocationAddend,
+ Triple::OSType _OSType)
+ : ELFObjectWriter(_OS, _Is64Bit, _IsLittleEndian, _EMachine,
+ _HasRelocationAddend, _OSType)
+{}
+
+X86ELFObjectWriter::~X86ELFObjectWriter()
+{}
+
+void X86ELFObjectWriter::RecordRelocation(const MCAssembler &Asm,
+ const MCAsmLayout &Layout,
+ const MCFragment *Fragment,
+ const MCFixup &Fixup,
+ MCValue Target,
+ uint64_t &FixedValue) {
+ int64_t Addend = 0;
+ int Index = 0;
+ int64_t Value = Target.getConstant();
+ const MCSymbol &Symbol = Target.getSymA()->getSymbol();
+ const MCSymbol *RelocSymbol = SymbolToReloc(Asm, Target, *Fragment);
+
+ bool IsPCRel = isFixupKindX86PCRel(Fixup.getKind());
+ if (!Target.isAbsolute()) {
+ if (const MCSymbolRefExpr *RefB = Target.getSymB()) {
+ const MCSymbol &SymbolB = RefB->getSymbol();
+ MCSymbolData &SDB = Asm.getSymbolData(SymbolB);
+ IsPCRel = true;
+ MCSectionData *Sec = Fragment->getParent();
+
+ // Offset of the symbol in the section
+ int64_t a = Layout.getSymbolAddress(&SDB) - Layout.getSectionAddress(Sec);
+
+ // Ofeset of the relocation in the section
+ int64_t b = Layout.getFragmentOffset(Fragment) + Fixup.getOffset();
+ Value += b - a;
+ }
+
+ if (!RelocSymbol) {
+ MCSymbolData &SD = Asm.getSymbolData(Symbol);
+ MCFragment *F = SD.getFragment();
+
+ Index = F->getParent()->getOrdinal();
+
+ MCSectionData *FSD = F->getParent();
+ // Offset of the symbol in the section
+ Value += Layout.getSymbolAddress(&SD) - Layout.getSectionAddress(FSD);
+ } else {
+ if (Asm.getSymbolData(Symbol).getFlags() & ELF_Other_Weakref)
+ WeakrefUsedInReloc.insert(RelocSymbol);
+ else
+ UsedInReloc.insert(RelocSymbol);
+ Index = -1;
+ }
+ Addend = Value;
+ // Compensate for the addend on i386.
+ if (Is64Bit)
+ Value = 0;
+ }
+
+ FixedValue = Value;
+
+ // determine the type of the relocation
+
+ MCSymbolRefExpr::VariantKind Modifier = Target.getSymA()->getKind();
+ unsigned Type;
+ if (Is64Bit) {
+ if (IsPCRel) {
+ 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;
+ }
+ } 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:
+ case X86::reloc_pcrel_4byte:
+ assert(isInt<32>(Target.getConstant()));
+ 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 X86::reloc_pcrel_1byte:
+ case FK_Data_1: Type = ELF::R_X86_64_8; break;
+ }
+ }
+ } else {
+ if (IsPCRel) {
+ 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;
+ }
+ } 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 X86::reloc_pcrel_4byte:
+ 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;
+ }
+ break;
+ case FK_Data_2: Type = ELF::R_386_16; break;
+ case X86::reloc_pcrel_1byte:
+ case FK_Data_1: Type = ELF::R_386_8; break;
+ }
+ }
+ }
+
+ if (RelocNeedsGOT(Modifier))
+ NeedsGOT = true;
+
+ ELFRelocationEntry ERE;
+
+ ERE.Index = Index;
+ ERE.Type = Type;
+ ERE.Symbol = RelocSymbol;
+
+ ERE.r_offset = Layout.getFragmentOffset(Fragment) + Fixup.getOffset();
+
+ if (HasRelocationAddend)
+ ERE.r_addend = Addend;
+ else
+ ERE.r_addend = 0; // Silence compiler warning.
+
+ Relocations[Fragment->getParent()].push_back(ERE);
}
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