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>
diff --git a/include/asm-alpha/thread_info.h b/include/asm-alpha/thread_info.h
index 69ffd93..eeb3bef 100644
--- a/include/asm-alpha/thread_info.h
+++ b/include/asm-alpha/thread_info.h
@@ -92,5 +92,27 @@
#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 */
