Attachment 303601 Details for Bug 426647 – Restore single_step flag after signal

Restore single_step flag after signal

restore_single_step_flag_after_signal.patch (text/x-patch), 1.72 KB, created by Jerome Marchand on 2008-04-24 08:47:38 UTC

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Creator: Jerome Marchand

Created: 2008-04-24 08:47:38 UTC

Size: 1.72 KB

patch

obsolete

>---
> arch/s390/kernel/entry.S   |    2 ++
> arch/s390/kernel/entry64.S |    2 ++
> arch/s390/kernel/signal.c  |    4 ++++
> 3 files changed, 8 insertions(+)
>
>Index: linux-2.6.9/arch/s390/kernel/signal.c
>===================================================================
>--- linux-2.6.9.orig/arch/s390/kernel/signal.c
>+++ linux-2.6.9/arch/s390/kernel/signal.c
>@@ -510,10 +510,14 @@ int do_signal(struct pt_regs *regs, sigs
> 						    sigset_t *oldset,
> 						    struct pt_regs *regs);
> 			handle_signal32(signr, &ka, &info, oldset, regs);
>+			if (current->thread.per_info.single_step)
>+				set_thread_flag(TIF_SINGLE_STEP);
> 			return 1;
> 	        }
> #endif
> 		handle_signal(signr, &ka, &info, oldset, regs);
>+		if (current->thread.per_info.single_step)
>+			set_thread_flag(TIF_SINGLE_STEP);
> 		return 1;
> 	}
> 
>Index: linux-2.6.9/arch/s390/kernel/entry.S
>===================================================================
>--- linux-2.6.9.orig/arch/s390/kernel/entry.S
>+++ linux-2.6.9/arch/s390/kernel/entry.S
>@@ -228,6 +228,8 @@ sysc_sigpending:     
> 	basr	%r14,%r1               # call do_signal
> 	tm	__TI_flags+3(%r9),_TIF_RESTART_SVC
> 	bo	BASED(sysc_restart)
>+	tm	__TI_flags+3(%r9),_TIF_SINGLE_STEP
>+	bo	BASED(sysc_singlestep)
> 	b	BASED(sysc_leave)      # out of here, do NOT recheck
> 
> #
>Index: linux-2.6.9/arch/s390/kernel/entry64.S
>===================================================================
>--- linux-2.6.9.orig/arch/s390/kernel/entry64.S
>+++ linux-2.6.9/arch/s390/kernel/entry64.S
>@@ -230,6 +230,8 @@ sysc_sigpending:     
> 	brasl	%r14,do_signal    # call do_signal
> 	tm	__TI_flags+7(%r9),_TIF_RESTART_SVC
> 	jo	sysc_restart
>+	tm	__TI_flags+7(%r9),_TIF_SINGLE_STEP
>+	jo	sysc_singlestep
> 	j	sysc_leave        # out of here, do NOT recheck
> 
> #

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Attachments on bug 426647: 303601