Commit | Line | Data |
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1da177e4 LT |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
3 | #include <stdarg.h> | |
4 | #include <string.h> | |
5 | #include <sys/types.h> | |
6 | #include <sys/stat.h> | |
7 | #include <sys/mman.h> | |
8 | #include <fcntl.h> | |
9 | #include <unistd.h> | |
10 | #include <elf.h> | |
11 | ||
12 | #include "elfconfig.h" | |
13 | ||
14 | #if KERNEL_ELFCLASS == ELFCLASS32 | |
15 | ||
62070fa4 SR |
16 | #define Elf_Ehdr Elf32_Ehdr |
17 | #define Elf_Shdr Elf32_Shdr | |
1da177e4 | 18 | #define Elf_Sym Elf32_Sym |
b39927cf SR |
19 | #define Elf_Addr Elf32_Addr |
20 | #define Elf_Section Elf32_Section | |
1da177e4 LT |
21 | #define ELF_ST_BIND ELF32_ST_BIND |
22 | #define ELF_ST_TYPE ELF32_ST_TYPE | |
23 | ||
2c1a51f3 | 24 | #define Elf_Rel Elf32_Rel |
b39927cf SR |
25 | #define Elf_Rela Elf32_Rela |
26 | #define ELF_R_SYM ELF32_R_SYM | |
27 | #define ELF_R_TYPE ELF32_R_TYPE | |
1da177e4 LT |
28 | #else |
29 | ||
62070fa4 SR |
30 | #define Elf_Ehdr Elf64_Ehdr |
31 | #define Elf_Shdr Elf64_Shdr | |
1da177e4 | 32 | #define Elf_Sym Elf64_Sym |
b39927cf SR |
33 | #define Elf_Addr Elf64_Addr |
34 | #define Elf_Section Elf64_Section | |
1da177e4 LT |
35 | #define ELF_ST_BIND ELF64_ST_BIND |
36 | #define ELF_ST_TYPE ELF64_ST_TYPE | |
37 | ||
2c1a51f3 | 38 | #define Elf_Rel Elf64_Rel |
b39927cf SR |
39 | #define Elf_Rela Elf64_Rela |
40 | #define ELF_R_SYM ELF64_R_SYM | |
41 | #define ELF_R_TYPE ELF64_R_TYPE | |
1da177e4 LT |
42 | #endif |
43 | ||
44 | #if KERNEL_ELFDATA != HOST_ELFDATA | |
45 | ||
46 | static inline void __endian(const void *src, void *dest, unsigned int size) | |
47 | { | |
48 | unsigned int i; | |
49 | for (i = 0; i < size; i++) | |
50 | ((unsigned char*)dest)[i] = ((unsigned char*)src)[size - i-1]; | |
51 | } | |
52 | ||
53 | ||
54 | ||
55 | #define TO_NATIVE(x) \ | |
56 | ({ \ | |
57 | typeof(x) __x; \ | |
58 | __endian(&(x), &(__x), sizeof(__x)); \ | |
59 | __x; \ | |
60 | }) | |
61 | ||
62 | #else /* endianness matches */ | |
63 | ||
64 | #define TO_NATIVE(x) (x) | |
65 | ||
66 | #endif | |
67 | ||
68 | #define NOFAIL(ptr) do_nofail((ptr), #ptr) | |
69 | void *do_nofail(void *ptr, const char *expr); | |
70 | ||
71 | struct buffer { | |
72 | char *p; | |
73 | int pos; | |
74 | int size; | |
75 | }; | |
76 | ||
77 | void __attribute__((format(printf, 2, 3))) | |
78 | buf_printf(struct buffer *buf, const char *fmt, ...); | |
79 | ||
80 | void | |
81 | buf_write(struct buffer *buf, const char *s, int len); | |
82 | ||
83 | struct module { | |
84 | struct module *next; | |
85 | const char *name; | |
86 | struct symbol *unres; | |
87 | int seen; | |
88 | int skip; | |
89 | int has_init; | |
90 | int has_cleanup; | |
91 | struct buffer dev_table_buf; | |
92 | char srcversion[25]; | |
93 | }; | |
94 | ||
95 | struct elf_info { | |
96 | unsigned long size; | |
97 | Elf_Ehdr *hdr; | |
98 | Elf_Shdr *sechdrs; | |
99 | Elf_Sym *symtab_start; | |
100 | Elf_Sym *symtab_stop; | |
101 | const char *strtab; | |
102 | char *modinfo; | |
103 | unsigned int modinfo_len; | |
104 | }; | |
105 | ||
cb80514d | 106 | /* file2alias.c */ |
1da177e4 LT |
107 | void handle_moddevtable(struct module *mod, struct elf_info *info, |
108 | Elf_Sym *sym, const char *symname); | |
1da177e4 LT |
109 | void add_moddevtable(struct buffer *buf, struct module *mod); |
110 | ||
cb80514d | 111 | /* sumversion.c */ |
1da177e4 LT |
112 | void maybe_frob_rcs_version(const char *modfilename, |
113 | char *version, | |
114 | void *modinfo, | |
115 | unsigned long modinfo_offset); | |
116 | void get_src_version(const char *modname, char sum[], unsigned sumlen); | |
117 | ||
cb80514d | 118 | /* from modpost.c */ |
1da177e4 LT |
119 | void *grab_file(const char *filename, unsigned long *size); |
120 | char* get_next_line(unsigned long *pos, void *file, unsigned long size); | |
121 | void release_file(void *file, unsigned long size); | |
cb80514d SR |
122 | |
123 | void fatal(const char *fmt, ...); | |
124 | void warn(const char *fmt, ...); |