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1 #ifndef _INTERNAL_RELOC_H | 1 #ifndef _INTERNAL_RELOC_H |
2 #define _INTERNAL_RELOC_H | 2 #define _INTERNAL_RELOC_H |
3 | 3 |
4 #include <features.h> | 4 #include <features.h> |
5 #include <elf.h> | 5 #include <elf.h> |
6 #include <stdint.h> | 6 #include <stdint.h> |
7 | 7 |
8 #if UINTPTR_MAX == 0xffffffff | 8 #if UINTPTR_MAX == 0xffffffff |
9 typedef Elf32_Ehdr Ehdr; | 9 typedef Elf32_Ehdr Ehdr; |
10 typedef Elf32_Phdr Phdr; | 10 typedef Elf32_Phdr Phdr; |
11 typedef Elf32_Sym Sym; | 11 typedef Elf32_Sym Sym; |
12 #define R_TYPE(x) ((x)&255) | 12 #define R_TYPE(x) ((x)&255) |
13 #define R_SYM(x) ((x)>>8) | 13 #define R_SYM(x) ((x) >> 8) |
14 #else | 14 #else |
15 typedef Elf64_Ehdr Ehdr; | 15 typedef Elf64_Ehdr Ehdr; |
16 typedef Elf64_Phdr Phdr; | 16 typedef Elf64_Phdr Phdr; |
17 typedef Elf64_Sym Sym; | 17 typedef Elf64_Sym Sym; |
18 #define R_TYPE(x) ((x)&0x7fffffff) | 18 #define R_TYPE(x) ((x)&0x7fffffff) |
19 #define R_SYM(x) ((x)>>32) | 19 #define R_SYM(x) ((x) >> 32) |
20 #endif | 20 #endif |
21 | 21 |
22 /* These enum constants provide unmatchable default values for | 22 /* These enum constants provide unmatchable default values for |
23 * any relocation type the arch does not use. */ | 23 * any relocation type the arch does not use. */ |
24 enum { | 24 enum { |
25 » REL_NONE = 0, | 25 REL_NONE = 0, |
26 » REL_SYMBOLIC = -100, | 26 REL_SYMBOLIC = -100, |
27 » REL_GOT, | 27 REL_GOT, |
28 » REL_PLT, | 28 REL_PLT, |
29 » REL_RELATIVE, | 29 REL_RELATIVE, |
30 » REL_OFFSET, | 30 REL_OFFSET, |
31 » REL_OFFSET32, | 31 REL_OFFSET32, |
32 » REL_COPY, | 32 REL_COPY, |
33 » REL_SYM_OR_REL, | 33 REL_SYM_OR_REL, |
34 » REL_DTPMOD, | 34 REL_DTPMOD, |
35 » REL_DTPOFF, | 35 REL_DTPOFF, |
36 » REL_TPOFF, | 36 REL_TPOFF, |
37 » REL_TPOFF_NEG, | 37 REL_TPOFF_NEG, |
38 » REL_TLSDESC, | 38 REL_TLSDESC, |
39 » REL_FUNCDESC, | 39 REL_FUNCDESC, |
40 » REL_FUNCDESC_VAL, | 40 REL_FUNCDESC_VAL, |
41 }; | 41 }; |
42 | 42 |
43 struct fdpic_loadseg { | 43 struct fdpic_loadseg { |
44 » uintptr_t addr, p_vaddr, p_memsz; | 44 uintptr_t addr, p_vaddr, p_memsz; |
45 }; | 45 }; |
46 | 46 |
47 struct fdpic_loadmap { | 47 struct fdpic_loadmap { |
48 » unsigned short version, nsegs; | 48 unsigned short version, nsegs; |
49 » struct fdpic_loadseg segs[]; | 49 struct fdpic_loadseg segs[]; |
50 }; | 50 }; |
51 | 51 |
52 struct fdpic_dummy_loadmap { | 52 struct fdpic_dummy_loadmap { |
53 » unsigned short version, nsegs; | 53 unsigned short version, nsegs; |
54 » struct fdpic_loadseg segs[1]; | 54 struct fdpic_loadseg segs[1]; |
55 }; | 55 }; |
56 | 56 |
57 #include "reloc.h" | 57 #include "reloc.h" |
58 | 58 |
59 #ifndef FDPIC_CONSTDISP_FLAG | 59 #ifndef FDPIC_CONSTDISP_FLAG |
60 #define FDPIC_CONSTDISP_FLAG 0 | 60 #define FDPIC_CONSTDISP_FLAG 0 |
61 #endif | 61 #endif |
62 | 62 |
63 #ifndef DL_FDPIC | 63 #ifndef DL_FDPIC |
64 #define DL_FDPIC 0 | 64 #define DL_FDPIC 0 |
65 #endif | 65 #endif |
66 | 66 |
67 #ifndef DL_NOMMU_SUPPORT | 67 #ifndef DL_NOMMU_SUPPORT |
68 #define DL_NOMMU_SUPPORT 0 | 68 #define DL_NOMMU_SUPPORT 0 |
69 #endif | 69 #endif |
70 | 70 |
71 #if !DL_FDPIC | 71 #if !DL_FDPIC |
72 #define IS_RELATIVE(x,s) ( \ | 72 #define IS_RELATIVE(x, s) \ |
73 » (R_TYPE(x) == REL_RELATIVE) || \ | 73 ((R_TYPE(x) == REL_RELATIVE) || (R_TYPE(x) == REL_SYM_OR_REL && !R_SYM(x))) |
74 » (R_TYPE(x) == REL_SYM_OR_REL && !R_SYM(x)) ) | |
75 #else | 74 #else |
76 #define IS_RELATIVE(x,s) ( ( \ | 75 #define IS_RELATIVE(x, s) \ |
77 » (R_TYPE(x) == REL_FUNCDESC_VAL) || \ | 76 (((R_TYPE(x) == REL_FUNCDESC_VAL) || (R_TYPE(x) == REL_SYMBOLIC)) && \ |
78 » (R_TYPE(x) == REL_SYMBOLIC) ) \ | 77 (((s)[R_SYM(x)].st_info & 0xf) == STT_SECTION)) |
79 » && (((s)[R_SYM(x)].st_info & 0xf) == STT_SECTION) ) | |
80 #endif | 78 #endif |
81 | 79 |
82 #ifndef NEED_MIPS_GOT_RELOCS | 80 #ifndef NEED_MIPS_GOT_RELOCS |
83 #define NEED_MIPS_GOT_RELOCS 0 | 81 #define NEED_MIPS_GOT_RELOCS 0 |
84 #endif | 82 #endif |
85 | 83 |
86 #ifndef DT_DEBUG_INDIRECT | 84 #ifndef DT_DEBUG_INDIRECT |
87 #define DT_DEBUG_INDIRECT 0 | 85 #define DT_DEBUG_INDIRECT 0 |
88 #endif | 86 #endif |
89 | 87 |
90 #define AUX_CNT 32 | 88 #define AUX_CNT 32 |
91 #define DYN_CNT 32 | 89 #define DYN_CNT 32 |
92 | 90 |
93 typedef void (*stage2_func)(unsigned char *, size_t *); | 91 typedef void (*stage2_func)(unsigned char*, size_t*); |
94 typedef _Noreturn void (*stage3_func)(size_t *); | 92 typedef _Noreturn void (*stage3_func)(size_t*); |
95 | 93 |
96 #endif | 94 #endif |
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