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ALPHA: "prctl" macros

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include/asm-alpha/thread_info.h

	Provide "prctl" macros for ALPHA.

Signed-off-by: Jay Estabrook <jay.estabrook@hp.com>
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ivan Kokshaysky 2007-05-06 14:50:38 -07:00 committed by Linus Torvalds
parent eb2bce7f5e
commit ed58a593dc
1 changed files with 22 additions and 0 deletions
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22
include/asm-alpha/thread_info.h
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@ -92,5 +92,27 @@ register struct thread_info *__current_thread_info __asm__("$8");
#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK \
| _TIF_SYSCALL_TRACE)
#define ALPHA_UAC_SHIFT 6
#define ALPHA_UAC_MASK (1 << TIF_UAC_NOPRINT | 1 << TIF_UAC_NOFIX | \
1 << TIF_UAC_SIGBUS)
#define SET_UNALIGN_CTL(task,value) ({ \
(task)->thread_info->flags = (((task)->thread_info->flags & \
~ALPHA_UAC_MASK) \
| (((value) << ALPHA_UAC_SHIFT) & (1<<TIF_UAC_NOPRINT))\
| (((value) << (ALPHA_UAC_SHIFT + 1)) & (1<<TIF_UAC_SIGBUS)) \
| (((value) << (ALPHA_UAC_SHIFT - 1)) & (1<<TIF_UAC_NOFIX)));\
0; })
#define GET_UNALIGN_CTL(task,value) ({ \
put_user(((task)->thread_info->flags & (1 << TIF_UAC_NOPRINT)) \
>> ALPHA_UAC_SHIFT \
| ((task)->thread_info->flags & (1 << TIF_UAC_SIGBUS)) \
>> (ALPHA_UAC_SHIFT + 1) \
| ((task)->thread_info->flags & (1 << TIF_UAC_NOFIX)) \
>> (ALPHA_UAC_SHIFT - 1), \
(int __user *)(value)); \
})
#endif /* __KERNEL__ */
#endif /* _ALPHA_THREAD_INFO_H */