Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 16 | #define Elf_Ehdr Elf32_Ehdr |
| 17 | #define Elf_Shdr Elf32_Shdr |
| 18 | #define Elf_Sym Elf32_Sym |
| 19 | #define ELF_ST_BIND ELF32_ST_BIND |
| 20 | #define ELF_ST_TYPE ELF32_ST_TYPE |
| 21 | |
| 22 | #else |
| 23 | |
| 24 | #define Elf_Ehdr Elf64_Ehdr |
| 25 | #define Elf_Shdr Elf64_Shdr |
| 26 | #define Elf_Sym Elf64_Sym |
| 27 | #define ELF_ST_BIND ELF64_ST_BIND |
| 28 | #define ELF_ST_TYPE ELF64_ST_TYPE |
| 29 | |
| 30 | #endif |
| 31 | |
| 32 | #if KERNEL_ELFDATA != HOST_ELFDATA |
| 33 | |
| 34 | static inline void __endian(const void *src, void *dest, unsigned int size) |
| 35 | { |
| 36 | unsigned int i; |
| 37 | for (i = 0; i < size; i++) |
| 38 | ((unsigned char*)dest)[i] = ((unsigned char*)src)[size - i-1]; |
| 39 | } |
| 40 | |
| 41 | |
| 42 | |
| 43 | #define TO_NATIVE(x) \ |
| 44 | ({ \ |
| 45 | typeof(x) __x; \ |
| 46 | __endian(&(x), &(__x), sizeof(__x)); \ |
| 47 | __x; \ |
| 48 | }) |
| 49 | |
| 50 | #else /* endianness matches */ |
| 51 | |
| 52 | #define TO_NATIVE(x) (x) |
| 53 | |
| 54 | #endif |
| 55 | |
| 56 | #define NOFAIL(ptr) do_nofail((ptr), #ptr) |
| 57 | void *do_nofail(void *ptr, const char *expr); |
| 58 | |
| 59 | struct buffer { |
| 60 | char *p; |
| 61 | int pos; |
| 62 | int size; |
| 63 | }; |
| 64 | |
| 65 | void __attribute__((format(printf, 2, 3))) |
| 66 | buf_printf(struct buffer *buf, const char *fmt, ...); |
| 67 | |
| 68 | void |
| 69 | buf_write(struct buffer *buf, const char *s, int len); |
| 70 | |
| 71 | struct module { |
| 72 | struct module *next; |
| 73 | const char *name; |
| 74 | struct symbol *unres; |
| 75 | int seen; |
| 76 | int skip; |
| 77 | int has_init; |
| 78 | int has_cleanup; |
| 79 | struct buffer dev_table_buf; |
| 80 | char srcversion[25]; |
| 81 | }; |
| 82 | |
| 83 | struct elf_info { |
| 84 | unsigned long size; |
| 85 | Elf_Ehdr *hdr; |
| 86 | Elf_Shdr *sechdrs; |
| 87 | Elf_Sym *symtab_start; |
| 88 | Elf_Sym *symtab_stop; |
| 89 | const char *strtab; |
| 90 | char *modinfo; |
| 91 | unsigned int modinfo_len; |
| 92 | }; |
| 93 | |
Sam Ravnborg | cb80514 | 2006-01-28 16:57:26 +0100 | [diff] [blame^] | 94 | /* file2alias.c */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | void handle_moddevtable(struct module *mod, struct elf_info *info, |
| 96 | Elf_Sym *sym, const char *symname); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | void add_moddevtable(struct buffer *buf, struct module *mod); |
| 98 | |
Sam Ravnborg | cb80514 | 2006-01-28 16:57:26 +0100 | [diff] [blame^] | 99 | /* sumversion.c */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | void maybe_frob_rcs_version(const char *modfilename, |
| 101 | char *version, |
| 102 | void *modinfo, |
| 103 | unsigned long modinfo_offset); |
| 104 | void get_src_version(const char *modname, char sum[], unsigned sumlen); |
| 105 | |
Sam Ravnborg | cb80514 | 2006-01-28 16:57:26 +0100 | [diff] [blame^] | 106 | /* from modpost.c */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | void *grab_file(const char *filename, unsigned long *size); |
| 108 | char* get_next_line(unsigned long *pos, void *file, unsigned long size); |
| 109 | void release_file(void *file, unsigned long size); |
Sam Ravnborg | cb80514 | 2006-01-28 16:57:26 +0100 | [diff] [blame^] | 110 | |
| 111 | void fatal(const char *fmt, ...); |
| 112 | void warn(const char *fmt, ...); |