1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* Copyright 2001-2024 Petter Reinholdtsen
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 2 of the
* License, or (at your option) any later version.
*/
#ifndef PROTOS_H
#define PROTOS_H
#ifdef HAVE_BYTESWAP_H
#include <byteswap.h>
#elif defined(HAVE_SYS_BYTEORDER_H)
#include <sys/byteorder.h>
#define bswap_16 BSWAP_16
#define bswap_32 BSWAP_32
#define bswap_64 BSWAP_64
#endif
#include <elf.h>
#include "config.h"
#ifdef WORDS_BIGENDIAN
#define ELFDATA2 ELFDATA2MSB
#else
#define ELFDATA2 ELFDATA2LSB
#endif
#if SIZEOF_VOID_P != 8 && SIZEOF_VOID_P != 4
#error "Unknown word size (SIZEOF_VOID_P)!"
#endif
typedef union {
unsigned char e_ident[EI_NIDENT];
Elf32_Ehdr e32;
Elf64_Ehdr e64;
} Elf_Ehdr;
typedef union {
Elf32_Shdr e32;
Elf64_Shdr e64;
} Elf_Shdr;
typedef union {
Elf32_Phdr e32;
Elf64_Phdr e64;
} Elf_Phdr;
int is_e32(void);
int swap_bytes(void);
#define DO_SWAPU16(x) ( !swap_bytes() ? x : (uint16_t)bswap_16(x) )
#define DO_SWAPU32(x) ( !swap_bytes() ? x : (uint32_t)bswap_32(x) )
#define DO_SWAPU64(x) ( !swap_bytes() ? x : (uint64_t)bswap_64(x) )
#define DO_SWAPS16(x) ( !swap_bytes() ? x : (int16_t)bswap_16(x) )
#define DO_SWAPS32(x) ( !swap_bytes() ? x : (int32_t)bswap_32(x) )
#define DO_SWAPS64(x) ( !swap_bytes() ? x : (int64_t)bswap_64(x) )
#define EHDRWS(x) (is_e32() ? DO_SWAPS32(ehdr.e32.x) : DO_SWAPS64(ehdr.e64.x))
#define EHDRHS(x) (is_e32() ? DO_SWAPS16(ehdr.e32.x) : DO_SWAPS16(ehdr.e64.x))
#define EHDRWU(x) (is_e32() ? DO_SWAPU32(ehdr.e32.x) : DO_SWAPU64(ehdr.e64.x))
#define EHDRHU(x) (is_e32() ? DO_SWAPU16(ehdr.e32.x) : DO_SWAPU16(ehdr.e64.x))
#define PHDR(x) (is_e32() ? DO_SWAPU32(phdr.e32.x) : DO_SWAPU64(phdr.e64.x))
#define SHDR_W(x) (is_e32() ? DO_SWAPU32(shdr.e32.x) : DO_SWAPU32(shdr.e64.x))
#define SHDR_O(x) (is_e32() ? DO_SWAPU32(shdr.e32.x) : DO_SWAPU64(shdr.e64.x))
#define DYNSU(i,x) (is_e32() ? DO_SWAPU32(((Elf32_Dyn *)dyns)[i].x) \
: DO_SWAPU64(((Elf64_Dyn *)dyns)[i].x))
#define DYNSS(i,x) (is_e32() ? DO_SWAPS32(((Elf32_Dyn *)dyns)[i].x) \
: DO_SWAPS64(((Elf64_Dyn *)dyns)[i].x))
int killrpath(const char *filename);
int chrpath(const char *filename, const char *newpath, int convert);
char* read_section_names(int fd, Elf_Ehdr ehdr);
char* get_section_name(int name_off, char* section_names);
int elf_open(const char *filename, int flags, Elf_Ehdr *ehdr);
void elf_close(int fd);
int elf_find_dynamic_section(int fd, Elf_Ehdr *ehdr, Elf_Phdr *phdr);
const char *elf_tagname(int tag);
int elf_dynpath_tag(int tag);
#endif /* PROTOS_H */
|
