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From: Andreas Schwab <schwab@suse.de>
To: gdb-patches@sourceware.org
Subject: Re: [rfc, rfa/doc] Multi-threaded watchpoint improvements
Date: Thu, 17 Apr 2008 10:17:00 -0000	[thread overview]
Message-ID: <jetzi0st9c.fsf@sykes.suse.de> (raw)
In-Reply-To: <20080416231831.GB6274@caradoc.them.org> (Daniel Jacobowitz's 	message of "Wed, 16 Apr 2008 19:18:31 -0400")

Daniel Jacobowitz <drow@false.org> writes:

> On Thu, Apr 17, 2008 at 01:04:56AM +0200, Andreas Schwab wrote:
>> infrun: infwait_nonstep_watch_state
>> infrun: TARGET_WAITKIND_STOPPED
>> infrun: stop_pc = 0x100004b0
>> infrun: random signal 5
>
> Thanks, I can see the problem.  stepped_after_stopped_by_watchpoint is
> set, but nothing is using that to indicate that we should report the
> watchpoint.

Looking closer, it is actually a kernel bug.  PTRACE_GETSIGINFO is not
emulated for 32-bit processes, so that si_addr is set to the upper half
of the address, which is of course zero.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."


  parent reply	other threads:[~2008-04-17  9:52 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-16 18:40 Daniel Jacobowitz
2007-09-22  9:03 ` Eli Zaretskii
2007-09-22 14:04   ` Daniel Jacobowitz
2007-09-22 14:13     ` Eli Zaretskii
2007-09-22 15:37       ` Daniel Jacobowitz
2007-09-22 15:46         ` Eli Zaretskii
2007-09-22 18:28           ` Daniel Jacobowitz
2007-10-01  0:20 ` Daniel Jacobowitz
2007-10-24 14:59   ` Luis Machado
2007-10-24 16:00     ` Daniel Jacobowitz
2007-10-24 16:42       ` Luis Machado
2007-10-24 16:51         ` Daniel Jacobowitz
2007-10-24 18:08           ` Luis Machado
2007-10-24 18:20             ` Daniel Jacobowitz
2008-04-16 22:57   ` Andreas Schwab
2008-04-16 23:05     ` Daniel Jacobowitz
2008-04-16 23:18       ` Andreas Schwab
2008-04-17  0:25         ` Daniel Jacobowitz
2008-04-17  9:52           ` Andreas Schwab
2008-04-17  9:59             ` Andreas Schwab
2008-04-17 10:17           ` Andreas Schwab [this message]
2008-04-17 14:53             ` Daniel Jacobowitz
2008-04-20  2:35               ` Andreas Schwab
2008-04-23 11:55                 ` Andreas Schwab
2008-04-23 19:46                   ` Eli Zaretskii
2008-05-01 19:30                   ` Daniel Jacobowitz
2008-05-01 19:50       ` Luis Machado

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