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-rw-r--r--include/linux/elf-randomize.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/elf-randomize.h b/include/linux/elf-randomize.h
new file mode 100644
index 000000000000..b5f0bda9472e
--- /dev/null
+++ b/include/linux/elf-randomize.h
@@ -0,0 +1,22 @@
1#ifndef _ELF_RANDOMIZE_H
2#define _ELF_RANDOMIZE_H
3
4struct mm_struct;
5
6#ifndef CONFIG_ARCH_HAS_ELF_RANDOMIZE
7static inline unsigned long arch_mmap_rnd(void) { return 0; }
8# if defined(arch_randomize_brk) && defined(CONFIG_COMPAT_BRK)
9# define compat_brk_randomized
10# endif
11# ifndef arch_randomize_brk
12# define arch_randomize_brk(mm) (mm->brk)
13# endif
14#else
15extern unsigned long arch_mmap_rnd(void);
16extern unsigned long arch_randomize_brk(struct mm_struct *mm);
17# ifdef CONFIG_COMPAT_BRK
18# define compat_brk_randomized
19# endif
20#endif
21
22#endif