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2965 | svoboda | 1 | /* |
2 | * Copyright (c) 2008 Jiri Svoboda |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | /** @addtogroup generic |
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30 | * @{ |
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31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
35 | #ifndef ELF_DYN_H_ |
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36 | #define ELF_DYN_H_ |
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37 | |||
38 | #include <arch/elf.h> |
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39 | #include <sys/types.h> |
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40 | |||
2978 | svoboda | 41 | #include <elf.h> |
42 | #include <arch/elf_dyn.h> |
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2965 | svoboda | 43 | |
44 | #define ELF32_R_SYM(i) ((i)>>8) |
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45 | #define ELF32_R_TYPE(i) ((unsigned char)(i)) |
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46 | |||
47 | struct elf32_dyn { |
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48 | elf_sword d_tag; |
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49 | union { |
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50 | elf_word d_val; |
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51 | elf32_addr d_ptr; |
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52 | } d_un; |
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53 | }; |
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54 | |||
55 | struct elf32_rel { |
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56 | elf32_addr r_offset; |
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57 | elf_word r_info; |
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58 | }; |
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59 | |||
60 | struct elf32_rela { |
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61 | elf32_addr r_offset; |
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62 | elf_word r_info; |
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63 | elf_sword r_addend; |
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64 | }; |
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65 | |||
66 | #ifdef __32_BITS__ |
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67 | typedef struct elf32_dyn elf_dyn_t; |
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68 | typedef struct elf32_rel elf_rel_t; |
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69 | typedef struct elf32_rela elf_rela_t; |
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70 | #endif |
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71 | |||
2966 | svoboda | 72 | /* |
73 | * Dynamic array tags |
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74 | */ |
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75 | #define DT_NULL 0 |
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76 | #define DT_NEEDED 1 |
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77 | #define DT_PLTRELSZ 2 |
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78 | #define DT_PLTGOT 3 |
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79 | #define DT_HASH 4 |
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80 | #define DT_STRTAB 5 |
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81 | #define DT_SYMTAB 6 |
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82 | #define DT_RELA 7 |
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83 | #define DT_RELASZ 8 |
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84 | #define DT_RELAENT 9 |
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85 | #define DT_STRSZ 10 |
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86 | #define DT_SYMENT 11 |
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87 | #define DT_INIT 12 |
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88 | #define DT_FINI 13 |
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89 | #define DT_SONAME 14 |
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90 | #define DT_RPATH 15 |
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91 | #define DT_SYMBOLIC 16 |
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92 | #define DT_REL 17 |
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93 | #define DT_RELSZ 18 |
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94 | #define DT_RELENT 19 |
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95 | #define DT_PLTREL 20 |
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96 | #define DT_DEBUG 21 |
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97 | #define DT_TEXTREL 22 |
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98 | #define DT_JMPREL 23 |
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99 | #define DT_BIND_NOW 24 |
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100 | #define DT_LOPROC 0x70000000 |
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101 | #define DT_HIPROC 0x7fffffff |
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102 | |||
2980 | svoboda | 103 | /* |
104 | * Special section indexes |
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105 | */ |
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106 | #define SHN_UNDEF 0 |
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107 | #define SHN_LORESERVE 0xff00 |
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108 | #define SHN_LOPROC 0xff00 |
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109 | #define SHN_HIPROC 0xff1f |
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110 | #define SHN_ABS 0xfff1 |
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111 | #define SHN_COMMON 0xfff2 |
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112 | #define SHN_HIRESERVE 0xffff |
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113 | |||
2965 | svoboda | 114 | #endif |
115 | |||
116 | /** @} |
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117 | */ |