class MCFragment;
class MCObjectWriter;
class MCSymbol;
+class MCSymbolELF;
class MCValue;
-
-/// @name Relocation Data
-/// @{
+class raw_pwrite_stream;
struct ELFRelocationEntry {
- // Make these big enough for both 32-bit and 64-bit
- uint64_t r_offset;
- int Index;
- unsigned Type;
- const MCSymbol *Symbol;
- uint64_t r_addend;
- const MCFixup *Fixup;
-
- ELFRelocationEntry()
- : r_offset(0), Index(0), Type(0), Symbol(0), r_addend(0), Fixup(0) {}
-
- ELFRelocationEntry(uint64_t RelocOffset, int Idx, unsigned RelType,
- const MCSymbol *Sym, uint64_t Addend, const MCFixup &Fixup)
- : r_offset(RelocOffset), Index(Idx), Type(RelType), Symbol(Sym),
- r_addend(Addend), Fixup(&Fixup) {}
-
- // Support lexicographic sorting.
- bool operator<(const ELFRelocationEntry &RE) const {
- return RE.r_offset < r_offset;
- }
+ uint64_t Offset; // Where is the relocation.
+ const MCSymbolELF *Symbol; // The symbol to relocate with.
+ unsigned Type; // The type of the relocation.
+ uint64_t Addend; // The addend to use.
+
+ ELFRelocationEntry(uint64_t Offset, const MCSymbolELF *Symbol, unsigned Type,
+ uint64_t Addend)
+ : Offset(Offset), Symbol(Symbol), Type(Type), Addend(Addend) {}
};
class MCELFObjectTargetWriter {
public:
static uint8_t getOSABI(Triple::OSType OSType) {
switch (OSType) {
+ case Triple::CloudABI:
+ return ELF::ELFOSABI_CLOUDABI;
+ case Triple::PS4:
case Triple::FreeBSD:
return ELF::ELFOSABI_FREEBSD;
case Triple::Linux:
virtual ~MCELFObjectTargetWriter() {}
virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
- bool IsPCRel, bool IsRelocWithSymbol,
- int64_t Addend) const = 0;
- virtual unsigned getEFlags() const;
- virtual const MCSymbol *ExplicitRelSym(const MCAssembler &Asm,
- const MCValue &Target,
- const MCFragment &F,
- const MCFixup &Fixup,
- bool IsPCRel) const;
- virtual const MCSymbol *undefinedExplicitRelSym(const MCValue &Target,
- const MCFixup &Fixup,
- bool IsPCRel) const;
- virtual void adjustFixupOffset(const MCFixup &Fixup,
- uint64_t &RelocOffset);
+ bool IsPCRel) const = 0;
+
+ virtual bool needsRelocateWithSymbol(const MCSymbol &Sym,
+ unsigned Type) const;
virtual void sortRelocs(const MCAssembler &Asm,
std::vector<ELFRelocationEntry> &Relocs);
- /// @name Accessors
+ /// \name Accessors
/// @{
- uint8_t getOSABI() { return OSABI; }
- uint16_t getEMachine() { return EMachine; }
- bool hasRelocationAddend() { return HasRelocationAddend; }
+ uint8_t getOSABI() const { return OSABI; }
+ uint16_t getEMachine() const { return EMachine; }
+ bool hasRelocationAddend() const { return HasRelocationAddend; }
bool is64Bit() const { return Is64Bit; }
bool isN64() const { return IsN64; }
/// @}
#define R_SSYM_MASK 0x00ffffff
// N64 relocation type accessors
- unsigned getRType(uint32_t Type) const {
+ uint8_t getRType(uint32_t Type) const {
return (unsigned)((Type >> R_TYPE_SHIFT) & 0xff);
}
- unsigned getRType2(uint32_t Type) const {
+ uint8_t getRType2(uint32_t Type) const {
return (unsigned)((Type >> R_TYPE2_SHIFT) & 0xff);
}
- unsigned getRType3(uint32_t Type) const {
+ uint8_t getRType3(uint32_t Type) const {
return (unsigned)((Type >> R_TYPE3_SHIFT) & 0xff);
}
- unsigned getRSsym(uint32_t Type) const {
+ uint8_t getRSsym(uint32_t Type) const {
return (unsigned)((Type >> R_SSYM_SHIFT) & 0xff);
}
/// \param OS - The stream to write to.
/// \returns The constructed object writer.
MCObjectWriter *createELFObjectWriter(MCELFObjectTargetWriter *MOTW,
- raw_ostream &OS, bool IsLittleEndian);
+ raw_pwrite_stream &OS,
+ bool IsLittleEndian);
} // End llvm namespace
#endif