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- #include <stdio.h>
- #include <stdlib.h>
- #include <stdarg.h>
- #include <string.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <sys/mman.h>
- #include <fcntl.h>
- #include <unistd.h>
- #include <elf.h>
-
- #include "elfconfig.h"
-
- #if KERNEL_ELFCLASS == ELFCLASS32
-
- #define Elf_Ehdr Elf32_Ehdr
- #define Elf_Shdr Elf32_Shdr
- #define Elf_Sym Elf32_Sym
- #define Elf_Addr Elf32_Addr
- #define Elf_Section Elf32_Section
- #define ELF_ST_BIND ELF32_ST_BIND
- #define ELF_ST_TYPE ELF32_ST_TYPE
-
- #define Elf_Rel Elf32_Rel
- #define Elf_Rela Elf32_Rela
- #define ELF_R_SYM ELF32_R_SYM
- #define ELF_R_TYPE ELF32_R_TYPE
- #else
-
- #define Elf_Ehdr Elf64_Ehdr
- #define Elf_Shdr Elf64_Shdr
- #define Elf_Sym Elf64_Sym
- #define Elf_Addr Elf64_Addr
- #define Elf_Section Elf64_Section
- #define ELF_ST_BIND ELF64_ST_BIND
- #define ELF_ST_TYPE ELF64_ST_TYPE
-
- #define Elf_Rel Elf64_Rel
- #define Elf_Rela Elf64_Rela
- #define ELF_R_SYM ELF64_R_SYM
- #define ELF_R_TYPE ELF64_R_TYPE
- #endif
-
- /* The 64-bit MIPS ELF ABI uses an unusual reloc format. */
- typedef struct
- {
- Elf32_Word r_sym; /* Symbol index */
- unsigned char r_ssym; /* Special symbol for 2nd relocation */
- unsigned char r_type3; /* 3rd relocation type */
- unsigned char r_type2; /* 2nd relocation type */
- unsigned char r_type1; /* 1st relocation type */
- } _Elf64_Mips_R_Info;
-
- typedef union
- {
- Elf64_Xword r_info_number;
- _Elf64_Mips_R_Info r_info_fields;
- } _Elf64_Mips_R_Info_union;
-
- #define ELF64_MIPS_R_SYM(i) \
- ((__extension__ (_Elf64_Mips_R_Info_union)(i)).r_info_fields.r_sym)
-
- #if KERNEL_ELFDATA != HOST_ELFDATA
-
- static inline void __endian(const void *src, void *dest, unsigned int size)
- {
- unsigned int i;
- for (i = 0; i < size; i++)
- ((unsigned char*)dest)[i] = ((unsigned char*)src)[size - i-1];
- }
-
- #define TO_NATIVE(x) \
- ({ \
- typeof(x) __x; \
- __endian(&(x), &(__x), sizeof(__x)); \
- __x; \
- })
-
- #else /* endianness matches */
-
- #define TO_NATIVE(x) (x)
-
- #endif
-
- #define NOFAIL(ptr) do_nofail((ptr), #ptr)
- void *do_nofail(void *ptr, const char *expr);
-
- struct buffer {
- char *p;
- int pos;
- int size;
- };
-
- void __attribute__((format(printf, 2, 3)))
- buf_printf(struct buffer *buf, const char *fmt, ...);
-
- void
- buf_write(struct buffer *buf, const char *s, int len);
-
- struct module {
- struct module *next;
- const char *name;
- struct symbol *unres;
- int seen;
- int skip;
- int has_init;
- int has_cleanup;
- struct buffer dev_table_buf;
- char srcversion[25];
- };
-
- struct elf_info {
- unsigned long size;
- Elf_Ehdr *hdr;
- Elf_Shdr *sechdrs;
- Elf_Sym *symtab_start;
- Elf_Sym *symtab_stop;
- const char *strtab;
- char *modinfo;
- unsigned int modinfo_len;
- };
-
- /* file2alias.c */
- void handle_moddevtable(struct module *mod, struct elf_info *info,
- Elf_Sym *sym, const char *symname);
- void add_moddevtable(struct buffer *buf, struct module *mod);
-
- /* sumversion.c */
- void maybe_frob_rcs_version(const char *modfilename,
- char *version,
- void *modinfo,
- unsigned long modinfo_offset);
- void get_src_version(const char *modname, char sum[], unsigned sumlen);
-
- /* from modpost.c */
- void *grab_file(const char *filename, unsigned long *size);
- char* get_next_line(unsigned long *pos, void *file, unsigned long size);
- void release_file(void *file, unsigned long size);
-
- void fatal(const char *fmt, ...);
- void warn(const char *fmt, ...);
-