From: Daniel Jacobowitz <drow@false.org>
To: Ulrich Weigand <uweigand@de.ibm.com>
Cc: gdb-patches@sourceware.org
Subject: Re: "maint print registers" crash
Date: Wed, 20 Jun 2007 20:34:00 -0000 [thread overview]
Message-ID: <20070620203457.GA22707@caradoc.them.org> (raw)
In-Reply-To: <200706202026.l5KKQTZo009602@d12av02.megacenter.de.ibm.com>
On Wed, Jun 20, 2007 at 10:26:29PM +0200, Ulrich Weigand wrote:
> Daniel Jacobowitz wrote:
> > I used to be able to start GDB and print out the current register
> > layout without needing a target, by "maint print registers". Now that
> > crashes GDB, because current_regcache is NULL. What do you think -
> > refuse to dump values and use the gdbarch_descr in that case?
>
> Ah, that usage of current_regcache is a bug anyway; I must have
> overlooked it. current_regcache can now be NULL at other times
> as well (always after registers_changed () for example); no code
> should simply use that variable any more.
>
> The following patch changes it to use get_current_regcache ()
> instead, which currently always succeeds allocating a register
> cache (even if we don't have an inferior yet).
>
> That gets "maint print registers" immediately after startup
> working for me. Does this solve your problem?
Yes, this works great - thanks!
--
Daniel Jacobowitz
CodeSourcery
next prev parent reply other threads:[~2007-06-20 20:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-20 19:47 Daniel Jacobowitz
2007-06-20 20:26 ` Ulrich Weigand
2007-06-20 20:34 ` Daniel Jacobowitz [this message]
2007-06-20 20:52 ` Ulrich Weigand
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