elf-randomize.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ELF_RANDOMIZE_H
 3#define _ELF_RANDOMIZE_H
 4
 5struct mm_struct;
 6
 7#ifndef CONFIG_ARCH_HAS_ELF_RANDOMIZE
 8static inline unsigned long arch_mmap_rnd(void) { return 0; }
 9# if defined(arch_randomize_brk) && defined(CONFIG_COMPAT_BRK)
10#  define compat_brk_randomized
11# endif
12# ifndef arch_randomize_brk
13#  define arch_randomize_brk(mm)	(mm->brk)
14# endif
15#else
16extern unsigned long arch_mmap_rnd(void);
17extern unsigned long arch_randomize_brk(struct mm_struct *mm);
18# ifdef CONFIG_COMPAT_BRK
19#  define compat_brk_randomized
20# endif
21#endif
22
23#endif