[linux-2.6-block.git] / include / linux / elf-randomize.h

#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
Commit	Line	Data
2b68f6ca KC	1	#ifndef _ELF_RANDOMIZE_H
	2	#define _ELF_RANDOMIZE_H
	3
204db6ed KC	4	struct mm_struct;
204db6ed KC	5
2b68f6ca KC	6	#ifndef CONFIG_ARCH_HAS_ELF_RANDOMIZE
2b68f6ca KC	7	static inline unsigned long arch_mmap_rnd(void) { return 0; }
204db6ed KC	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
2b68f6ca KC	14	#else
2b68f6ca KC	15	extern unsigned long arch_mmap_rnd(void);
204db6ed KC	16	extern unsigned long arch_randomize_brk(struct mm_struct *mm);
	17	# ifdef CONFIG_COMPAT_BRK
	18	# define compat_brk_randomized
	19	# endif
2b68f6ca KC	20	#endif
	21
	22	#endif