| // reloc-types.h -- ELF relocation templates for gold -*- C++ -*- |
| |
| // Copyright (C) 2006-2024 Free Software Foundation, Inc. |
| // Written by Ian Lance Taylor <iant@google.com>. |
| |
| // This file is part of gold. |
| |
| // This program is free software; you can redistribute it and/or modify |
| // it under the terms of the GNU General Public License as published by |
| // the Free Software Foundation; either version 3 of the License, or |
| // (at your option) any later version. |
| |
| // This program is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License |
| // along with this program; if not, write to the Free Software |
| // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| // MA 02110-1301, USA. |
| |
| // This header files defines a few convenient templated types for use |
| // when handling ELF relocations. |
| |
| #ifndef GOLD_RELOC_TYPES_H |
| #define GOLD_RELOC_TYPES_H |
| |
| #include "elfcpp.h" |
| |
| namespace gold |
| { |
| |
| // Pick the ELF relocation accessor class and the size based on |
| // SH_TYPE, which is either elfcpp::SHT_REL or elfcpp::SHT_RELA. |
| |
| template<int sh_type, int size, bool big_endian> |
| struct Reloc_types; |
| |
| template<int size, bool big_endian> |
| struct Reloc_types<elfcpp::SHT_REL, size, big_endian> |
| { |
| typedef typename elfcpp::Rel<size, big_endian> Reloc; |
| typedef typename elfcpp::Rel_write<size, big_endian> Reloc_write; |
| static const int reloc_size = elfcpp::Elf_sizes<size>::rel_size; |
| |
| static inline typename elfcpp::Elf_types<size>::Elf_Swxword |
| get_reloc_addend(const Reloc*) |
| { gold_unreachable(); } |
| |
| static inline typename elfcpp::Elf_types<size>::Elf_Swxword |
| get_reloc_addend_noerror(const Reloc*) |
| { return 0; } |
| |
| static inline void |
| set_reloc_addend(Reloc_write*, |
| typename elfcpp::Elf_types<size>::Elf_Swxword) |
| { gold_unreachable(); } |
| }; |
| |
| template<int size, bool big_endian> |
| struct Reloc_types<elfcpp::SHT_RELA, size, big_endian> |
| { |
| typedef typename elfcpp::Rela<size, big_endian> Reloc; |
| typedef typename elfcpp::Rela_write<size, big_endian> Reloc_write; |
| static const int reloc_size = elfcpp::Elf_sizes<size>::rela_size; |
| |
| static inline typename elfcpp::Elf_types<size>::Elf_Swxword |
| get_reloc_addend(const Reloc* p) |
| { return p->get_r_addend(); } |
| |
| static inline typename elfcpp::Elf_types<size>::Elf_Swxword |
| get_reloc_addend_noerror(const Reloc* p) |
| { return p->get_r_addend(); } |
| |
| static inline void |
| set_reloc_addend(Reloc_write* p, |
| typename elfcpp::Elf_types<size>::Elf_Swxword val) |
| { p->put_r_addend(val); } |
| }; |
| |
| }; // End namespace gold. |
| |
| #endif // !defined(GOLD_RELOC_TYPE_SH) |