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1 | /* |
1 | /* |
2 | * Copyright (c) 2008 Jiri Svoboda |
2 | * Copyright (c) 2008 Jiri Svoboda |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup generic |
29 | /** @addtogroup generic |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef ELF_DYN_H_ |
35 | #ifndef ELF_DYN_H_ |
36 | #define ELF_DYN_H_ |
36 | #define ELF_DYN_H_ |
37 | 37 | ||
38 | #include <arch/elf.h> |
38 | #include <arch/elf.h> |
39 | #include <sys/types.h> |
39 | #include <sys/types.h> |
40 | 40 | ||
41 | #include <elf.h> |
41 | #include <elf.h> |
42 | #include <arch/elf_dyn.h> |
42 | #include <arch/elf_dyn.h> |
43 | 43 | ||
44 | #define ELF32_R_SYM(i) ((i)>>8) |
44 | #define ELF32_R_SYM(i) ((i)>>8) |
45 | #define ELF32_R_TYPE(i) ((unsigned char)(i)) |
45 | #define ELF32_R_TYPE(i) ((unsigned char)(i)) |
46 | 46 | ||
47 | struct elf32_dyn { |
47 | struct elf32_dyn { |
48 | elf_sword d_tag; |
48 | elf_sword d_tag; |
49 | union { |
49 | union { |
50 | elf_word d_val; |
50 | elf_word d_val; |
51 | elf32_addr d_ptr; |
51 | elf32_addr d_ptr; |
52 | } d_un; |
52 | } d_un; |
53 | }; |
53 | }; |
54 | 54 | ||
55 | struct elf32_rel { |
55 | struct elf32_rel { |
56 | elf32_addr r_offset; |
56 | elf32_addr r_offset; |
57 | elf_word r_info; |
57 | elf_word r_info; |
58 | }; |
58 | }; |
59 | 59 | ||
60 | struct elf32_rela { |
60 | struct elf32_rela { |
61 | elf32_addr r_offset; |
61 | elf32_addr r_offset; |
62 | elf_word r_info; |
62 | elf_word r_info; |
63 | elf_sword r_addend; |
63 | elf_sword r_addend; |
64 | }; |
64 | }; |
65 | 65 | ||
66 | #ifdef __32_BITS__ |
66 | #ifdef __32_BITS__ |
67 | typedef struct elf32_dyn elf_dyn_t; |
67 | typedef struct elf32_dyn elf_dyn_t; |
68 | typedef struct elf32_rel elf_rel_t; |
68 | typedef struct elf32_rel elf_rel_t; |
69 | typedef struct elf32_rela elf_rela_t; |
69 | typedef struct elf32_rela elf_rela_t; |
70 | #endif |
70 | #endif |
71 | 71 | ||
72 | /* |
72 | /* |
73 | * Dynamic array tags |
73 | * Dynamic array tags |
74 | */ |
74 | */ |
75 | #define DT_NULL 0 |
75 | #define DT_NULL 0 |
76 | #define DT_NEEDED 1 |
76 | #define DT_NEEDED 1 |
77 | #define DT_PLTRELSZ 2 |
77 | #define DT_PLTRELSZ 2 |
78 | #define DT_PLTGOT 3 |
78 | #define DT_PLTGOT 3 |
79 | #define DT_HASH 4 |
79 | #define DT_HASH 4 |
80 | #define DT_STRTAB 5 |
80 | #define DT_STRTAB 5 |
81 | #define DT_SYMTAB 6 |
81 | #define DT_SYMTAB 6 |
82 | #define DT_RELA 7 |
82 | #define DT_RELA 7 |
83 | #define DT_RELASZ 8 |
83 | #define DT_RELASZ 8 |
84 | #define DT_RELAENT 9 |
84 | #define DT_RELAENT 9 |
85 | #define DT_STRSZ 10 |
85 | #define DT_STRSZ 10 |
86 | #define DT_SYMENT 11 |
86 | #define DT_SYMENT 11 |
87 | #define DT_INIT 12 |
87 | #define DT_INIT 12 |
88 | #define DT_FINI 13 |
88 | #define DT_FINI 13 |
89 | #define DT_SONAME 14 |
89 | #define DT_SONAME 14 |
90 | #define DT_RPATH 15 |
90 | #define DT_RPATH 15 |
91 | #define DT_SYMBOLIC 16 |
91 | #define DT_SYMBOLIC 16 |
92 | #define DT_REL 17 |
92 | #define DT_REL 17 |
93 | #define DT_RELSZ 18 |
93 | #define DT_RELSZ 18 |
94 | #define DT_RELENT 19 |
94 | #define DT_RELENT 19 |
95 | #define DT_PLTREL 20 |
95 | #define DT_PLTREL 20 |
96 | #define DT_DEBUG 21 |
96 | #define DT_DEBUG 21 |
97 | #define DT_TEXTREL 22 |
97 | #define DT_TEXTREL 22 |
98 | #define DT_JMPREL 23 |
98 | #define DT_JMPREL 23 |
99 | #define DT_BIND_NOW 24 |
99 | #define DT_BIND_NOW 24 |
100 | #define DT_LOPROC 0x70000000 |
100 | #define DT_LOPROC 0x70000000 |
101 | #define DT_HIPROC 0x7fffffff |
101 | #define DT_HIPROC 0x7fffffff |
102 | 102 | ||
- | 103 | /* |
|
- | 104 | * Special section indexes |
|
- | 105 | */ |
|
- | 106 | #define SHN_UNDEF 0 |
|
- | 107 | #define SHN_LORESERVE 0xff00 |
|
- | 108 | #define SHN_LOPROC 0xff00 |
|
- | 109 | #define SHN_HIPROC 0xff1f |
|
- | 110 | #define SHN_ABS 0xfff1 |
|
- | 111 | #define SHN_COMMON 0xfff2 |
|
- | 112 | #define SHN_HIRESERVE 0xffff |
|
- | 113 | ||
103 | #endif |
114 | #endif |
104 | 115 | ||
105 | /** @} |
116 | /** @} |
106 | */ |
117 | */ |
107 | 118 |