qla2xxx: fix printk typo in qla_bsg.c
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / scripts / mod / modpost.h
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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
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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
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22#define ELF_ST_BIND ELF32_ST_BIND
23#define ELF_ST_TYPE ELF32_ST_TYPE
24
2c1a51f3 25#define Elf_Rel Elf32_Rel
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26#define Elf_Rela Elf32_Rela
27#define ELF_R_SYM ELF32_R_SYM
28#define ELF_R_TYPE ELF32_R_TYPE
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29#else
30
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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
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37#define ELF_ST_BIND ELF64_ST_BIND
38#define ELF_ST_TYPE ELF64_ST_TYPE
39
2c1a51f3 40#define Elf_Rel Elf64_Rel
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41#define Elf_Rela Elf64_Rela
42#define ELF_R_SYM ELF64_R_SYM
43#define ELF_R_TYPE ELF64_R_TYPE
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44#endif
45
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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
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65#define ELF64_MIPS_R_TYPE(i) \
66 ((__extension__ (_Elf64_Mips_R_Info_union)(i)).r_info_fields.r_type1)
67
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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
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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;
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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;
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129 const char *strtab;
130 char *modinfo;
131 unsigned int modinfo_len;
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132
133 /* support for 32bit section numbers */
134
135 unsigned int num_sections; /* max_secindex + 1 */
136 unsigned int secindex_strings;
137 /* if Nth symbol table entry has .st_shndx = SHN_XINDEX,
138 * take shndx from symtab_shndx_start[N] instead */
139 Elf32_Word *symtab_shndx_start;
140 Elf32_Word *symtab_shndx_stop;
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141};
142
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143static inline int is_shndx_special(unsigned int i)
144{
145 return i != SHN_XINDEX && i >= SHN_LORESERVE && i <= SHN_HIRESERVE;
146}
147
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148/*
149 * Move reserved section indices SHN_LORESERVE..SHN_HIRESERVE out of
150 * the way to -256..-1, to avoid conflicting with real section
151 * indices.
1ce53adf 152 */
6845756b 153#define SPECIAL(i) ((i) - (SHN_HIRESERVE + 1))
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154
155/* Accessor for sym->st_shndx, hides ugliness of "64k sections" */
156static inline unsigned int get_secindex(const struct elf_info *info,
157 const Elf_Sym *sym)
158{
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159 if (is_shndx_special(sym->st_shndx))
160 return SPECIAL(sym->st_shndx);
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161 if (sym->st_shndx != SHN_XINDEX)
162 return sym->st_shndx;
6845756b 163 return info->symtab_shndx_start[sym - info->symtab_start];
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164}
165
cb80514d 166/* file2alias.c */
4ce6efed 167extern unsigned int cross_build;
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168void handle_moddevtable(struct module *mod, struct elf_info *info,
169 Elf_Sym *sym, const char *symname);
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170void add_moddevtable(struct buffer *buf, struct module *mod);
171
cb80514d 172/* sumversion.c */
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173void maybe_frob_rcs_version(const char *modfilename,
174 char *version,
175 void *modinfo,
176 unsigned long modinfo_offset);
177void get_src_version(const char *modname, char sum[], unsigned sumlen);
178
cb80514d 179/* from modpost.c */
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180void *grab_file(const char *filename, unsigned long *size);
181char* get_next_line(unsigned long *pos, void *file, unsigned long size);
182void release_file(void *file, unsigned long size);
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183
184void fatal(const char *fmt, ...);
185void warn(const char *fmt, ...);
2a116659 186void merror(const char *fmt, ...);