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authorIvan Kokshaysky <ink@jurassic.park.msu.ru>2007-05-06 14:50:38 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 12:12:58 -0700
commited58a593dcf6bb9853f711e56f8618f84b7b8cb2 (patch)
treed05b03882c94f009dc388102082e1842f7a08d35 /include/asm-alpha
parenteb2bce7f5e7ac1ca6da434461217fadf3c688d2c (diff)
ALPHA: "prctl" macros
Files: 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>
Diffstat (limited to 'include/asm-alpha')
-rw-r--r--include/asm-alpha/thread_info.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-alpha/thread_info.h b/include/asm-alpha/thread_info.h
index 69ffd93f8e2..eeb3bef91e1 100644
--- a/include/asm-alpha/thread_info.h
+++ b/include/asm-alpha/thread_info.h
@@ -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 */