diff options
| author | Ivan Kokshaysky <ink@jurassic.park.msu.ru> | 2007-05-06 14:50:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 12:12:58 -0700 |
| commit | ed58a593dcf6bb9853f711e56f8618f84b7b8cb2 (patch) | |
| tree | d05b03882c94f009dc388102082e1842f7a08d35 /include/asm-alpha | |
| parent | eb2bce7f5e7ac1ca6da434461217fadf3c688d2c (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.h | 22 |
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 */ |