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 53 static inline int elf_coredump_extra_notes_size(void) { return 0; } 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