blob: 611e3ae7d7f322e4660e4d308aa44139ed0eecb0 (
plain)
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
83
84
85
86
87
88
89
|
#ifndef _LINUX_ELF_H
#define _LINUX_ELF_H
#include <asm/elf.h>
#include <uapi/linux/elf.h>
#ifndef elf_read_implies_exec
/* Executables for which elf_read_implies_exec() returns TRUE will
have the READ_IMPLIES_EXEC personality flag set automatically.
Override in asm/elf.h as needed. */
# define elf_read_implies_exec(ex, have_pt_gnu_stack) 0
#endif
#ifndef SET_PERSONALITY
#define SET_PERSONALITY(ex) \
set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
#endif
#ifndef SET_PERSONALITY2
#define SET_PERSONALITY2(ex, state) \
SET_PERSONALITY(ex)
#endif
#if ELF_CLASS == ELFCLASS32
extern Elf32_Dyn _DYNAMIC [];
#define elfhdr elf32_hdr
#define elf_phdr elf32_phdr
#define elf_shdr elf32_shdr
#define elf_note elf32_note
#define elf_addr_t Elf32_Off
#define Elf_Half Elf32_Half
#else
extern Elf64_Dyn _DYNAMIC [];
#define elfhdr elf64_hdr
#define elf_phdr elf64_phdr
#define elf_shdr elf64_shdr
#define elf_note elf64_note
#define elf_addr_t Elf64_Off
#define Elf_Half Elf64_Half
#endif
/* Generic helpers for ELF use */
/* Return first section header */
static inline struct elf_shdr *elf_sheader(struct elfhdr *hdr)
{
return (struct elf_shdr *)((size_t)hdr + (size_t)hdr->e_shoff);
}
/* Return idx section header */
static inline struct elf_shdr *elf_section(struct elfhdr *hdr, int idx)
{
return &elf_sheader(hdr)[idx];
}
/* Return first program header */
static inline struct elf_phdr *elf_pheader(struct elfhdr *hdr)
{
return (struct elf_phdr *)((size_t)hdr + (size_t)hdr->e_phoff);
}
/* Return idx program header */
static inline struct elf_phdr *elf_program(struct elfhdr *hdr, int idx)
{
return &elf_pheader(hdr)[idx];
}
/* Retunr section's string table header */
static inline char *elf_str_table(struct elfhdr *hdr)
{
if (hdr->e_shstrndx == SHN_UNDEF)
return NULL;
return (char *)hdr + elf_section(hdr, hdr->e_shstrndx)->sh_offset;
}
/* Optional callbacks to write extra ELF notes. */
struct file;
struct coredump_params;
#ifndef ARCH_HAVE_EXTRA_ELF_NOTES
static inline int elf_coredump_extra_notes_size(void) { return 0; }
static inline int elf_coredump_extra_notes_write(struct coredump_params *cprm) { return 0; }
#else
extern int elf_coredump_extra_notes_size(void);
extern int elf_coredump_extra_notes_write(struct coredump_params *cprm);
#endif
#endif /* _LINUX_ELF_H */
|
