lkml.org 
[lkml]   [2007]   [Apr]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 4/7] 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>

---

diff -Naurp a/include/asm-alpha/thread_info.h b/include/asm-alpha/thread_info.h
--- a/include/asm-alpha/thread_info.h 2007-02-04 13:44:54.000000000 -0500
+++ b/include/asm-alpha/thread_info.h 2007-03-19 14:57:30.000000000 -0400
@@ -92,5 +92,27 @@ register struct thread_info *__current_t
#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 */
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2007-04-11 10:57    [W:0.030 / U:0.384 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site