| //===- Relocations.h -------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Linker |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLD_ELF_RELOCATIONS_H |
| #define LLD_ELF_RELOCATIONS_H |
| |
| #include "lld/Core/LLVM.h" |
| |
| namespace lld { |
| namespace elf { |
| class SymbolBody; |
| template <class ELFT> class InputSection; |
| template <class ELFT> class InputSectionBase; |
| |
| enum RelExpr { |
| R_ABS, |
| R_GOT, |
| R_GOTONLY_PC, |
| R_GOTREL, |
| R_GOT_FROM_END, |
| R_GOT_OFF, |
| R_GOT_PAGE_PC, |
| R_GOT_PC, |
| R_HINT, |
| R_MIPS_GOT_LOCAL_PAGE, |
| R_MIPS_GOT_OFF, |
| R_MIPS_TLSGD, |
| R_MIPS_TLSLD, |
| R_NEG_TLS, |
| R_PAGE_PC, |
| R_PC, |
| R_PLT, |
| R_PLT_PC, |
| R_PLT_PAGE_PC, |
| R_PPC_OPD, |
| R_PPC_PLT_OPD, |
| R_PPC_TOC, |
| R_RELAX_GOT_PC, |
| R_RELAX_GOT_PC_NOPIC, |
| R_RELAX_TLS_GD_TO_IE, |
| R_RELAX_TLS_GD_TO_IE_END, |
| R_RELAX_TLS_GD_TO_IE_ABS, |
| R_RELAX_TLS_GD_TO_IE_PAGE_PC, |
| R_RELAX_TLS_GD_TO_LE, |
| R_RELAX_TLS_GD_TO_LE_NEG, |
| R_RELAX_TLS_IE_TO_LE, |
| R_RELAX_TLS_LD_TO_LE, |
| R_SIZE, |
| R_THUNK_ABS, |
| R_THUNK_PC, |
| R_THUNK_PLT_PC, |
| R_TLS, |
| R_TLSDESC, |
| R_TLSDESC_PAGE, |
| R_TLSGD, |
| R_TLSGD_PC, |
| R_TLSLD, |
| R_TLSLD_PC |
| }; |
| |
| template <class ELFT> struct Relocation { |
| RelExpr Expr; |
| uint32_t Type; |
| InputSectionBase<ELFT> *InputSec; |
| uint64_t Offset; |
| uint64_t Addend; |
| SymbolBody *Sym; |
| }; |
| |
| template <class ELFT> void scanRelocations(InputSection<ELFT> &); |
| |
| template <class ELFT> |
| void scanRelocations(InputSectionBase<ELFT> &, const typename ELFT::Shdr &); |
| |
| template <class ELFT> |
| static inline typename ELFT::uint getAddend(const typename ELFT::Rel &Rel) { |
| return 0; |
| } |
| |
| template <class ELFT> |
| static inline typename ELFT::uint getAddend(const typename ELFT::Rela &Rel) { |
| return Rel.r_addend; |
| } |
| } |
| } |
| |
| #endif |