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 
26 extern 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 
37 extern 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. */
49 struct file;
50 struct coredump_params;
51 
52 #ifndef ARCH_HAVE_EXTRA_ELF_NOTES
elf_coredump_extra_notes_size(void)53 static inline int elf_coredump_extra_notes_size(void) { return 0; }
elf_coredump_extra_notes_write(struct coredump_params * cprm)54 static inline int elf_coredump_extra_notes_write(struct coredump_params *cprm) { return 0; }
55 #else
56 extern int elf_coredump_extra_notes_size(void);
57 extern int elf_coredump_extra_notes_write(struct coredump_params *cprm);
58 #endif
59 #endif /* _LINUX_ELF_H */
60