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From: Yuri <yuri@rawbw.com>
To: Joel Brobecker <brobecker@adacore.com>
Cc: Tom Tromey <tromey@redhat.com>,
	gdb@sourceware.org,        Steven Kreuzer <skreuzer@FreeBSD.org>
Subject: Re: 7.3 is broken on FreeBSD
Date: Thu, 07 Jul 2011 05:48:00 -0000	[thread overview]
Message-ID: <4E15487B.3080306@rawbw.com> (raw)
In-Reply-To: <20110707043156.GA15572@adacore.com>

On 07/06/2011 21:31, Joel Brobecker wrote:
>> gdb-7.3 crashes on this line:
>> 563       dr_status_mirror = i386_dr_low.get_status ();
>> (gdb) p i386_dr_low
>> $1 = {set_control = 0, set_addr = 0, reset_addr = 0, get_status = 0,
>> unset_status = 0, debug_register_length = 0}
> But i386_dr_low is supposed to be set at GDB startup by
> _initialize_i386fbsd_nat:
>
>      void
>      _initialize_i386fbsd_nat (void)
>      {
>        struct target_ops *t;
>
>        /* Add some extra features to the common *BSD/i386 target.  */
>        t = i386bsd_target ();
>
>      #ifdef HAVE_PT_GETDBREGS
>
>        i386_use_watchpoints (t);
>
>        i386_dr_low.set_control = i386bsd_dr_set_control;
>        i386_dr_low.set_addr = i386bsd_dr_set_addr;
>        i386_dr_low.reset_addr = i386bsd_dr_reset_addr;
>        i386_dr_low.get_status = i386bsd_dr_get_status;
>        i386_set_debug_register_length (4);
>
>      #endif /* HAVE_PT_GETDBREGS */
>
> Is this happening? And if yes, then who is overriding the value?
> If not, why is it not happening, since you confirmed that
> HAVE_PT_GETDBREGS is defined.
>

Instead _initialize_amd64fbsd_nat is called. I only see that i386_dr_low 
is being set in i386fbsd-nat.c.
Shouldn't there also be amd64_dr_low ?

Yuri


  reply	other threads:[~2011-07-07  5:48 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-06 20:41 Yuri
2011-07-06 20:59 ` Tom Tromey
2011-07-06 21:40   ` Yuri
2011-07-06 22:42     ` Joel Brobecker
2011-07-06 22:47       ` Yuri
2011-07-06 22:55         ` Joel Brobecker
2011-07-06 23:12           ` Yuri
2011-07-06 23:24             ` Joel Brobecker
2011-07-06 23:41               ` Yuri
2011-07-07  1:59                 ` Joel Brobecker
2011-07-07  2:14                   ` Yuri
2011-07-07  4:32                     ` Joel Brobecker
2011-07-07  5:48                       ` Yuri [this message]
2011-07-07 14:18                         ` Tom Tromey
2011-07-06 23:39           ` Yuri

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