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