1*b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 22b68f6caSKees Cook #ifndef _ELF_RANDOMIZE_H 32b68f6caSKees Cook #define _ELF_RANDOMIZE_H 42b68f6caSKees Cook 5204db6edSKees Cook struct mm_struct; 6204db6edSKees Cook 72b68f6caSKees Cook #ifndef CONFIG_ARCH_HAS_ELF_RANDOMIZE arch_mmap_rnd(void)82b68f6caSKees Cookstatic inline unsigned long arch_mmap_rnd(void) { return 0; } 9204db6edSKees Cook # if defined(arch_randomize_brk) && defined(CONFIG_COMPAT_BRK) 10204db6edSKees Cook # define compat_brk_randomized 11204db6edSKees Cook # endif 12204db6edSKees Cook # ifndef arch_randomize_brk 13204db6edSKees Cook # define arch_randomize_brk(mm) (mm->brk) 14204db6edSKees Cook # endif 152b68f6caSKees Cook #else 162b68f6caSKees Cook extern unsigned long arch_mmap_rnd(void); 17204db6edSKees Cook extern unsigned long arch_randomize_brk(struct mm_struct *mm); 18204db6edSKees Cook # ifdef CONFIG_COMPAT_BRK 19204db6edSKees Cook # define compat_brk_randomized 20204db6edSKees Cook # endif 212b68f6caSKees Cook #endif 222b68f6caSKees Cook 232b68f6caSKees Cook #endif 24