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| author | Paul Mundt <lethal@linux-sh.org> | 2008-07-30 13:11:26 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2008-08-02 04:39:32 +0900 |
| commit | cec3fd3e2a7cacf37e2bd6d9fa915337245cc563 (patch) | |
| tree | dd97b01f9cd717afd502d4fc7ef2f341e545ebd9 /arch/sh/include/asm/thread_info.h | |
| parent | daf423db3b6afd90ecdd776dbc32c0b57cc78edb (diff) | |
| download | blackbird-obmc-linux-cec3fd3e2a7cacf37e2bd6d9fa915337245cc563.tar.gz blackbird-obmc-linux-cec3fd3e2a7cacf37e2bd6d9fa915337245cc563.zip | |
sh: Tidy up the _TIF work masks, and fix syscall trace bug on singlestep.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/thread_info.h')
| -rw-r--r-- | arch/sh/include/asm/thread_info.h | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h index eeb4c747119e..c05b1afd1324 100644 --- a/arch/sh/include/asm/thread_info.h +++ b/arch/sh/include/asm/thread_info.h @@ -123,18 +123,34 @@ static inline struct thread_info *current_thread_info(void) #define TIF_MEMDIE 18 #define TIF_FREEZE 19 -#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) -#define _TIF_SIGPENDING (1<<TIF_SIGPENDING) -#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) -#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) -#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) -#define _TIF_USEDFPU (1<<TIF_USEDFPU) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_FREEZE (1<<TIF_FREEZE) - -#define _TIF_WORK_MASK 0x000000FE /* work to do on interrupt/exception return */ -#define _TIF_ALLWORK_MASK 0x000000FF /* work to do on any return to u-space */ +#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) +#define _TIF_SIGPENDING (1 << TIF_SIGPENDING) +#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) +#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) +#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) +#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) +#define _TIF_USEDFPU (1 << TIF_USEDFPU) +#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) +#define _TIF_FREEZE (1 << TIF_FREEZE) + +/* + * _TIF_ALLWORK_MASK and _TIF_WORK_MASK need to fit within a byte, or we + * blow the tst immediate size constraints and need to fix up + * arch/sh/kernel/entry-common.S. + */ + +/* work to do in syscall trace */ +#define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ + _TIF_SYSCALL_AUDIT) + +/* work to do on any return to u-space */ +#define _TIF_ALLWORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SIGPENDING | \ + _TIF_NEED_RESCHED | _TIF_SYSCALL_AUDIT | \ + _TIF_SINGLESTEP | _TIF_RESTORE_SIGMASK) + +/* work to do on interrupt/exception return */ +#define _TIF_WORK_MASK (_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \ + _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP)) #endif /* __KERNEL__ */ |
