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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 000000000..b5f0bda94
--- /dev/null
+++ b/include/linux/elf-randomize.h
@@ -0,0 +1,22 @@
+#ifndef _ELF_RANDOMIZE_H
+#define _ELF_RANDOMIZE_H
+
+struct mm_struct;
+
+#ifndef CONFIG_ARCH_HAS_ELF_RANDOMIZE
+static inline unsigned long arch_mmap_rnd(void) { return 0; }
+# if defined(arch_randomize_brk) && defined(CONFIG_COMPAT_BRK)
+# define compat_brk_randomized
+# endif
+# ifndef arch_randomize_brk
+# define arch_randomize_brk(mm) (mm->brk)
+# endif
+#else
+extern unsigned long arch_mmap_rnd(void);
+extern unsigned long arch_randomize_brk(struct mm_struct *mm);
+# ifdef CONFIG_COMPAT_BRK
+# define compat_brk_randomized
+# endif
+#endif
+
+#endif