1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_ELF_H
3#define _LINUX_ELF_H
4
5#include <asm/elf.h>
6#include <uapi/linux/elf.h>
7
8#ifndef elf_read_implies_exec
9 /* Executables for which elf_read_implies_exec() returns TRUE will
10 have the READ_IMPLIES_EXEC personality flag set automatically.
11 Override in asm/elf.h as needed. */
12# define elf_read_implies_exec(ex, have_pt_gnu_stack) 0
13#endif
14#ifndef SET_PERSONALITY
15#define SET_PERSONALITY(ex) \
16 set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
17#endif
18
19#ifndef SET_PERSONALITY2
20#define SET_PERSONALITY2(ex, state) \
21 SET_PERSONALITY(ex)
22#endif
23
24#if ELF_CLASS == ELFCLASS32
25
26extern Elf32_Dyn _DYNAMIC [];
27#define elfhdr elf32_hdr
28#define elf_phdr elf32_phdr
29#define elf_shdr elf32_shdr
30#define elf_note elf32_note
31#define elf_addr_t Elf32_Off
32#define Elf_Half Elf32_Half
33#define Elf_Word Elf32_Word
34
35#else
36
37extern Elf64_Dyn _DYNAMIC [];
38#define elfhdr elf64_hdr
39#define elf_phdr elf64_phdr
40#define elf_shdr elf64_shdr
41#define elf_note elf64_note
42#define elf_addr_t Elf64_Off
43#define Elf_Half Elf64_Half
44#define Elf_Word Elf64_Word
45
46#endif
47
48/* Optional callbacks to write extra ELF notes. */
49struct file;
50struct coredump_params;
51
52#ifndef ARCH_HAVE_EXTRA_ELF_NOTES
53static inline int elf_coredump_extra_notes_size(void) { return 0; }
54static inline int elf_coredump_extra_notes_write(struct coredump_params *cprm) { return 0; }
55#else
56extern int elf_coredump_extra_notes_size(void);
57extern int elf_coredump_extra_notes_write(struct coredump_params *cprm);
58#endif
59#endif /* _LINUX_ELF_H */
60