include/linux/elf.h

   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 */