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 24