1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ELF_RANDOMIZE_H 2 #ifndef _ELF_RANDOMIZE_H
3 #define _ELF_RANDOMIZE_H 3 #define _ELF_RANDOMIZE_H
4 4
5 struct mm_struct; 5 struct mm_struct;
6 6
7 #ifndef CONFIG_ARCH_HAS_ELF_RANDOMIZE 7 #ifndef CONFIG_ARCH_HAS_ELF_RANDOMIZE
8 static inline unsigned long arch_mmap_rnd(void 8 static inline unsigned long arch_mmap_rnd(void) { return 0; }
9 # if defined(arch_randomize_brk) && defined(CO 9 # if defined(arch_randomize_brk) && defined(CONFIG_COMPAT_BRK)
10 # define compat_brk_randomized 10 # define compat_brk_randomized
11 # endif 11 # endif
12 # ifndef arch_randomize_brk 12 # ifndef arch_randomize_brk
13 # define arch_randomize_brk(mm) (mm->b 13 # define arch_randomize_brk(mm) (mm->brk)
14 # endif 14 # endif
15 #else 15 #else
16 extern unsigned long arch_mmap_rnd(void); 16 extern unsigned long arch_mmap_rnd(void);
17 extern unsigned long arch_randomize_brk(struct 17 extern unsigned long arch_randomize_brk(struct mm_struct *mm);
18 # ifdef CONFIG_COMPAT_BRK 18 # ifdef CONFIG_COMPAT_BRK
19 # define compat_brk_randomized 19 # define compat_brk_randomized
20 # endif 20 # endif
21 #endif 21 #endif
22 22
23 #endif 23 #endif
24 24
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