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