Subject: kern/25515: Can't single-step out of a signal trampoline
To: None <gnats-bugs@gnats.NetBSD.org>
From: None <cagney@mac.com>
List: netbsd-bugs
Date: 05/09/2004 17:25:44
>Number:         25515
>Category:       kern
>Synopsis:       Can't single-step out of a signal trampoline
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun May 09 17:26:00 UTC 2004
>Closed-Date:
>Last-Modified:
>Originator:     Andrew Cagney
>Release:        1.6.2
>Organization:
>Environment:
PPC
>Description:
(gdb) stepi
<signal handler called>
1: x/i $pc  0x7fffefe4: sc
(gdb) stepi

Program exited normally.
(gdb) KFAIL: gdb.base/sigstep.exp: stepi out of signal trampoline (program exited)

It is thought that the single-step request isn't propogated through the sigreturn syscall.

>How-To-Repeat:
See above

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: