[163] | 1 | /* |
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| 2 | This file is part of Libelfpp. |
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| 3 | |
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| 4 | Libelfpp is free software: you can redistribute it and/or modify |
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| 5 | it under the terms of the GNU Lesser General Public License as |
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| 6 | published by the Free Software Foundation, either version 3 of the |
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| 7 | License, or (at your option) any later version. |
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| 8 | |
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| 9 | Libelfpp is distributed in the hope that it will be useful, but |
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| 10 | WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with Libelfpp. If not, see |
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| 16 | <http://www.gnu.org/licenses/>. |
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| 17 | |
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| 18 | Copyright (c) Alexandre Becoulet <alexandre.becoulet@free.fr> |
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| 19 | */ |
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| 20 | |
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| 21 | #ifndef ELFPP_RELOC_HH_ |
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| 22 | #define ELFPP_RELOC_HH_ |
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| 23 | |
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| 24 | #include <iostream> |
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| 25 | |
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| 26 | #include <dpp/linked_list> |
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| 27 | |
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| 28 | #include "elfpp.hh" |
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| 29 | #include "elfpp_bits.hh" |
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| 30 | |
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| 31 | namespace elfpp |
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| 32 | { |
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| 33 | |
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| 34 | class reloc; |
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| 35 | class symbol; |
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| 36 | class section; |
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| 37 | template <typename bits_t, int width> class elfn_access; |
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| 38 | |
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| 39 | std::ostream & operator<<(std::ostream &o, const reloc &v); |
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| 40 | |
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| 41 | /** |
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| 42 | @short ELF relocation class |
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| 43 | @header elfpp/reloc |
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| 44 | */ |
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| 45 | class reloc : public reloc_table_t::item_type, |
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| 46 | public reloc_modlist_t::item_type |
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| 47 | { |
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| 48 | friend class section; |
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| 49 | friend class symbol; |
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| 50 | template <typename, int> friend class elfn_access; |
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| 51 | friend std::ostream & operator<<(std::ostream &o, const reloc &v); |
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| 52 | |
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| 53 | public: |
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| 54 | reloc(); |
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| 55 | ~reloc(); |
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| 56 | |
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| 57 | /** Set pointer to mangled symbol. Relocation offset become |
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| 58 | relative to mangled symbol value when set. */ |
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| 59 | void set_mangled_symbol(symbol *s); |
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| 60 | /** Get pointer to mangled symbol. */ |
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| 61 | inline symbol * get_mangled_symbol() const; |
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| 62 | |
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| 63 | /** Set relocation symbol */ |
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| 64 | void set_symbol(symbol *s); |
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| 65 | /** Get relocation symbol */ |
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| 66 | inline symbol * get_symbol() const; |
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| 67 | |
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| 68 | /** Set relocation section */ |
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| 69 | inline void set_section(section *s); |
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| 70 | /** Get relocation section */ |
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| 71 | inline section * get_section() const; |
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| 72 | |
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| 73 | /** Set relocation type */ |
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| 74 | inline void set_type(enum reloc_e type); |
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| 75 | /** Get relocation type */ |
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| 76 | inline enum reloc_e get_type() const; |
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| 77 | |
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| 78 | /** Set relocation addend */ |
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| 79 | inline void set_addend(int64_t addend); |
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| 80 | /** Get relocation addend */ |
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| 81 | inline int64_t get_addend() const; |
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| 82 | |
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| 83 | /** Set relocation offset. Relocation offset is relative to |
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| 84 | mangled symbol value if available. It is relative to section |
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| 85 | if no mangled symbol is defined. */ |
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| 86 | inline void set_offset(uint64_t offset); |
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| 87 | /** Get relocation offset */ |
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| 88 | inline uint64_t get_offset() const; |
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| 89 | |
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| 90 | private: |
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| 91 | symbol *sym_mod_; |
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| 92 | symbol *sym_; |
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| 93 | section *sec_; |
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| 94 | enum reloc_e type_; |
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| 95 | int64_t addend_; |
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| 96 | uint64_t offset_; |
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| 97 | }; |
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| 98 | |
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| 99 | } |
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| 100 | |
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| 101 | #endif |
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| 102 | |
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