1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ELF_RANDOMIZE_H 3 #define _ELF_RANDOMIZE_H 4 5 struct mm_struct; 6 7 #ifndef CONFIG_ARCH_HAS_ELF_RANDOMIZE arch_mmap_rnd(void)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 16 extern unsigned long arch_mmap_rnd(void); 17 extern 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