Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ed58a593 authored by Ivan Kokshaysky's avatar Ivan Kokshaysky Committed by Linus Torvalds
Browse files

ALPHA: "prctl" macros 



Files:

include/asm-alpha/thread_info.h

	Provide "prctl" macros for ALPHA.

Signed-off-by: default avatarJay Estabrook <jay.estabrook@hp.com>
Signed-off-by: default avatarIvan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent eb2bce7f

include/asm-alpha/thread_info.h

+22 −0
Original line number Diff line number Diff line
@@ -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 */