public inbox for gdb-prs@sourceware.org
help / color / mirror / Atom feed
* [Bug gdb/14766] New: vfork child exit with "set follow-fork-mode child" broken
@ 2012-10-25 15:17 palves at redhat dot com
2012-10-25 15:18 ` [Bug gdb/14766] " palves at redhat dot com
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: palves at redhat dot com @ 2012-10-25 15:17 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14766
Bug #: 14766
Summary: vfork child exit with "set follow-fork-mode child"
broken
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
AssignedTo: unassigned@sourceware.org
ReportedBy: palves@redhat.com
Classification: Unclassified
#include <stdio.h>
#include <unistd.h>
int
main ()
{
int pid;
pid = vfork ();
if (pid == 0)
{
printf ("I'm the child!\n");
_exit (0);
}
else
{
printf ("I'm the proud parent of child #%d!\n", pid);
}
return 0;
}
$ ./gdb ./testsuite/gdb.base/foll-vfork-exit -ex "set follow-fork-mode child"
GNU gdb (GDB) 7.5.50.20121008-cvs
...
(gdb) r
Starting program:
/home/pedro/gdb/mygit/build/gdb/testsuite/gdb.base/foll-vfork-exit
[New process 4673]
I'm the child!
I'm the proud parent of child #4673!
Couldn't get registers: No such process.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Couldn't get registers: No such process.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Couldn't get registers: No such process.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(gdb)
--
Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug gdb/14766] vfork child exit with "set follow-fork-mode child" broken
2012-10-25 15:17 [Bug gdb/14766] New: vfork child exit with "set follow-fork-mode child" broken palves at redhat dot com
@ 2012-10-25 15:18 ` palves at redhat dot com
2012-10-25 15:19 ` palves at redhat dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: palves at redhat dot com @ 2012-10-25 15:18 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14766
Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at sourceware |palves at redhat dot com
|dot org |
--
Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug gdb/14766] vfork child exit with "set follow-fork-mode child" broken
2012-10-25 15:17 [Bug gdb/14766] New: vfork child exit with "set follow-fork-mode child" broken palves at redhat dot com
2012-10-25 15:18 ` [Bug gdb/14766] " palves at redhat dot com
@ 2012-10-25 15:19 ` palves at redhat dot com
2012-10-25 17:58 ` palves at redhat dot com
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: palves at redhat dot com @ 2012-10-25 15:19 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14766
--- Comment #1 from Pedro Alves <palves at redhat dot com> 2012-10-25 15:19:37 UTC ---
GDB is trying to read the registers of the child that just exited.
--
Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug gdb/14766] vfork child exit with "set follow-fork-mode child" broken
2012-10-25 15:17 [Bug gdb/14766] New: vfork child exit with "set follow-fork-mode child" broken palves at redhat dot com
2012-10-25 15:18 ` [Bug gdb/14766] " palves at redhat dot com
2012-10-25 15:19 ` palves at redhat dot com
@ 2012-10-25 17:58 ` palves at redhat dot com
2012-11-02 18:13 ` cvs-commit at gcc dot gnu.org
2012-11-05 16:39 ` palves at redhat dot com
4 siblings, 0 replies; 6+ messages in thread
From: palves at redhat dot com @ 2012-10-25 17:58 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14766
--- Comment #2 from Pedro Alves <palves at redhat dot com> 2012-10-25 17:58:34 UTC ---
Test and fix at:
http://sourceware.org/ml/gdb-patches/2012-10/msg00504.html
--
Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug gdb/14766] vfork child exit with "set follow-fork-mode child" broken
2012-10-25 15:17 [Bug gdb/14766] New: vfork child exit with "set follow-fork-mode child" broken palves at redhat dot com
` (2 preceding siblings ...)
2012-10-25 17:58 ` palves at redhat dot com
@ 2012-11-02 18:13 ` cvs-commit at gcc dot gnu.org
2012-11-05 16:39 ` palves at redhat dot com
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2012-11-02 18:13 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14766
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2012-11-02 18:13:49 UTC ---
CVSROOT: /cvs/src
Module name: src
Changes by: palves@sourceware.org 2012-11-02 18:13:38
Modified files:
gdb : ChangeLog infrun.c
gdb/testsuite : ChangeLog
gdb/testsuite/gdb.base: foll-vfork.exp
Log message:
gdb/
2012-11-02 Pedro Alves <palves@redhat.com>
PR gdb/14766
* infrun.c (handle_inferior_event)
<TARGET_WAITKIND_EXITED/TARGET_WAITKIND_SIGNALLED>: Switch to
null_ptid before handling a vfork child exec or exit. Switch to
the event ptid afterwards.
gdb/testsuite/
2012-11-02 Pedro Alves <palves@redhat.com>
PR gdb/14766
* gdb.base/foll-vfork.exp (vfork_child_follow_to_exit): Remove
setup_kfail.
(tcatch_vfork_then_child_follow_exit): No longer expect "Couldn't
get registers".
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.14776&r2=1.14777
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/infrun.c.diff?cvsroot=src&r1=1.562&r2=1.563
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/ChangeLog.diff?cvsroot=src&r1=1.3436&r2=1.3437
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.base/foll-vfork.exp.diff?cvsroot=src&r1=1.25&r2=1.26
--
Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug gdb/14766] vfork child exit with "set follow-fork-mode child" broken
2012-10-25 15:17 [Bug gdb/14766] New: vfork child exit with "set follow-fork-mode child" broken palves at redhat dot com
` (3 preceding siblings ...)
2012-11-02 18:13 ` cvs-commit at gcc dot gnu.org
@ 2012-11-05 16:39 ` palves at redhat dot com
4 siblings, 0 replies; 6+ messages in thread
From: palves at redhat dot com @ 2012-11-05 16:39 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14766
Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #4 from Pedro Alves <palves at redhat dot com> 2012-11-05 16:39:14 UTC ---
Patch checked in.
--
Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2012-11-05 16:39 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-10-25 15:17 [Bug gdb/14766] New: vfork child exit with "set follow-fork-mode child" broken palves at redhat dot com
2012-10-25 15:18 ` [Bug gdb/14766] " palves at redhat dot com
2012-10-25 15:19 ` palves at redhat dot com
2012-10-25 17:58 ` palves at redhat dot com
2012-11-02 18:13 ` cvs-commit at gcc dot gnu.org
2012-11-05 16:39 ` palves at redhat dot com
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).