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authorPaul Mundt <lethal@linux-sh.org>2008-07-30 13:11:26 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-08-02 04:39:32 +0900
commitcec3fd3e2a7cacf37e2bd6d9fa915337245cc563 (patch)
treedd97b01f9cd717afd502d4fc7ef2f341e545ebd9 /arch/sh/include/asm/thread_info.h
parentdaf423db3b6afd90ecdd776dbc32c0b57cc78edb (diff)
downloadlinux-cec3fd3e2a7cacf37e2bd6d9fa915337245cc563.tar.bz2
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.h40
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__ */