X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FMC%2FMCELFObjectWriter.h;h=01f694d3b75639b3ae575a07dc677f3c694e8860;hb=00552e3875ee5f382db6c98286a241a7d0efe1b8;hp=92ad1b1a46fec2fd4a62b9154a475a926639a518;hpb=4ef61f2ad4ff509ee05c7051d359009511f81226;p=oota-llvm.git diff --git a/include/llvm/MC/MCELFObjectWriter.h b/include/llvm/MC/MCELFObjectWriter.h index 92ad1b1a46f..01f694d3b75 100644 --- a/include/llvm/MC/MCELFObjectWriter.h +++ b/include/llvm/MC/MCELFObjectWriter.h @@ -21,27 +21,19 @@ class MCFixup; 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) {} + 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 { @@ -60,6 +52,9 @@ protected: 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: @@ -72,21 +67,15 @@ public: virtual ~MCELFObjectTargetWriter() {} virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup, - bool IsPCRel, bool IsRelocWithSymbol, - int64_t Addend) const = 0; - 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; + bool IsPCRel) const = 0; + + virtual bool needsRelocateWithSymbol(const MCSymbol &Sym, + unsigned Type) const; virtual void sortRelocs(const MCAssembler &Asm, std::vector &Relocs); - /// @name Accessors + /// \name Accessors /// @{ uint8_t getOSABI() const { return OSABI; } uint16_t getEMachine() const { return EMachine; } @@ -107,16 +96,16 @@ public: #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); } @@ -141,7 +130,8 @@ public: /// \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