162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef _ELF_RANDOMIZE_H 362306a36Sopenharmony_ci#define _ELF_RANDOMIZE_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_cistruct mm_struct; 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#ifndef CONFIG_ARCH_HAS_ELF_RANDOMIZE 862306a36Sopenharmony_cistatic inline unsigned long arch_mmap_rnd(void) { return 0; } 962306a36Sopenharmony_ci# if defined(arch_randomize_brk) && defined(CONFIG_COMPAT_BRK) 1062306a36Sopenharmony_ci# define compat_brk_randomized 1162306a36Sopenharmony_ci# endif 1262306a36Sopenharmony_ci# ifndef arch_randomize_brk 1362306a36Sopenharmony_ci# define arch_randomize_brk(mm) (mm->brk) 1462306a36Sopenharmony_ci# endif 1562306a36Sopenharmony_ci#else 1662306a36Sopenharmony_ciextern unsigned long arch_mmap_rnd(void); 1762306a36Sopenharmony_ciextern unsigned long arch_randomize_brk(struct mm_struct *mm); 1862306a36Sopenharmony_ci# ifdef CONFIG_COMPAT_BRK 1962306a36Sopenharmony_ci# define compat_brk_randomized 2062306a36Sopenharmony_ci# endif 2162306a36Sopenharmony_ci#endif 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci#endif 24