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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 | |
8 | static 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 |