]> bbs.cooldavid.org Git - net-next-2.6.git/blame - scripts/mod/modpost.h
tg3: Replace pr_err with sensible alternatives
[net-next-2.6.git] / scripts / mod / modpost.h
CommitLineData
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 19#define Elf_Addr Elf32_Addr
9ad21c3f 20#define Elf_Sword Elf64_Sword
4f4c4ee1 21#define Elf_Section Elf32_Half
1da177e4
LT
22#define ELF_ST_BIND ELF32_ST_BIND
23#define ELF_ST_TYPE ELF32_ST_TYPE
24
2c1a51f3 25#define Elf_Rel Elf32_Rel
b39927cf
SR
26#define Elf_Rela Elf32_Rela
27#define ELF_R_SYM ELF32_R_SYM
28#define ELF_R_TYPE ELF32_R_TYPE
1da177e4
LT
29#else
30
62070fa4
SR
31#define Elf_Ehdr Elf64_Ehdr
32#define Elf_Shdr Elf64_Shdr
1da177e4 33#define Elf_Sym Elf64_Sym
b39927cf 34#define Elf_Addr Elf64_Addr
9ad21c3f 35#define Elf_Sword Elf64_Sxword
4f4c4ee1 36#define Elf_Section Elf64_Half
1da177e4
LT
37#define ELF_ST_BIND ELF64_ST_BIND
38#define ELF_ST_TYPE ELF64_ST_TYPE
39
2c1a51f3 40#define Elf_Rel Elf64_Rel
b39927cf
SR
41#define Elf_Rela Elf64_Rela
42#define ELF_R_SYM ELF64_R_SYM
43#define ELF_R_TYPE ELF64_R_TYPE
1da177e4
LT
44#endif
45
eae07ac6
AN
46/* The 64-bit MIPS ELF ABI uses an unusual reloc format. */
47typedef struct
48{
49 Elf32_Word r_sym; /* Symbol index */
50 unsigned char r_ssym; /* Special symbol for 2nd relocation */
51 unsigned char r_type3; /* 3rd relocation type */
52 unsigned char r_type2; /* 2nd relocation type */
53 unsigned char r_type1; /* 1st relocation type */
54} _Elf64_Mips_R_Info;
55
56typedef union
57{
58 Elf64_Xword r_info_number;
59 _Elf64_Mips_R_Info r_info_fields;
60} _Elf64_Mips_R_Info_union;
61
62#define ELF64_MIPS_R_SYM(i) \
63 ((__extension__ (_Elf64_Mips_R_Info_union)(i)).r_info_fields.r_sym)
64
ae4ac123
AN
65#define ELF64_MIPS_R_TYPE(i) \
66 ((__extension__ (_Elf64_Mips_R_Info_union)(i)).r_info_fields.r_type1)
67
1da177e4
LT
68#if KERNEL_ELFDATA != HOST_ELFDATA
69
70static inline void __endian(const void *src, void *dest, unsigned int size)
71{
72 unsigned int i;
73 for (i = 0; i < size; i++)
74 ((unsigned char*)dest)[i] = ((unsigned char*)src)[size - i-1];
75}
76
1da177e4
LT
77#define TO_NATIVE(x) \
78({ \
79 typeof(x) __x; \
80 __endian(&(x), &(__x), sizeof(__x)); \
81 __x; \
82})
83
84#else /* endianness matches */
85
86#define TO_NATIVE(x) (x)
87
88#endif
89
90#define NOFAIL(ptr) do_nofail((ptr), #ptr)
91void *do_nofail(void *ptr, const char *expr);
92
93struct buffer {
94 char *p;
95 int pos;
96 int size;
97};
98
99void __attribute__((format(printf, 2, 3)))
100buf_printf(struct buffer *buf, const char *fmt, ...);
101
102void
103buf_write(struct buffer *buf, const char *s, int len);
104
105struct module {
106 struct module *next;
107 const char *name;
b817f6fe 108 int gpl_compatible;
1da177e4
LT
109 struct symbol *unres;
110 int seen;
111 int skip;
112 int has_init;
113 int has_cleanup;
114 struct buffer dev_table_buf;
115 char srcversion[25];
116};
117
118struct elf_info {
119 unsigned long size;
120 Elf_Ehdr *hdr;
121 Elf_Shdr *sechdrs;
122 Elf_Sym *symtab_start;
123 Elf_Sym *symtab_stop;
bd5cbced 124 Elf_Section export_sec;
c96fca21 125 Elf_Section export_unused_sec;
bd5cbced 126 Elf_Section export_gpl_sec;
c96fca21 127 Elf_Section export_unused_gpl_sec;
bd5cbced 128 Elf_Section export_gpl_future_sec;
1da177e4
LT
129 const char *strtab;
130 char *modinfo;
131 unsigned int modinfo_len;
132};
133
cb80514d 134/* file2alias.c */
4ce6efed 135extern unsigned int cross_build;
1da177e4
LT
136void handle_moddevtable(struct module *mod, struct elf_info *info,
137 Elf_Sym *sym, const char *symname);
1da177e4
LT
138void add_moddevtable(struct buffer *buf, struct module *mod);
139
cb80514d 140/* sumversion.c */
1da177e4
LT
141void maybe_frob_rcs_version(const char *modfilename,
142 char *version,
143 void *modinfo,
144 unsigned long modinfo_offset);
145void get_src_version(const char *modname, char sum[], unsigned sumlen);
146
cb80514d 147/* from modpost.c */
1da177e4
LT
148void *grab_file(const char *filename, unsigned long *size);
149char* get_next_line(unsigned long *pos, void *file, unsigned long size);
150void release_file(void *file, unsigned long size);
cb80514d
SR
151
152void fatal(const char *fmt, ...);
153void warn(const char *fmt, ...);
2a116659 154void merror(const char *fmt, ...);