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To: Alexandre Oliva <aoliva@redhat.com>
Cc: sashan <sashang@ihug.co.nz>, gcc@gcc.gnu.org
Subject: Re: [Newb] Stepping into cc1plus from gcc
References: <405BC481.3020705@ihug.co.nz>
	<orwu5gw248.fsf@livre.redhat.lsd.ic.unicamp.br>
	<jeznabipqt.fsf@sykes.suse.de>
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From: Andreas Schwab <schwab@suse.de>
X-Yow: ..  If I had heart failure right now, I couldn't be a more fortunate
 man!!
Date: Sun, 21 Mar 2004 19:21:00 -0000
In-Reply-To: <orekrmta0s.fsf@livre.redhat.lsd.ic.unicamp.br> (Alexandre
 Oliva's message of "21 Mar 2004 13:55:31 -0300")
Message-ID: <je8yhunmi5.fsf@sykes.suse.de>
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Alexandre Oliva <aoliva@redhat.com> writes:

> On Mar 20, 2004, Andreas Schwab <schwab@suse.de> wrote:
>
>> Alexandre Oliva <aoliva@redhat.com> writes:
>>> On Mar 20, 2004, sashan <sashang@ihug.co.nz> wrote:
>>> 
>>>> I've been stepping through gcc and I've come the point, in
>>>> libiberty/pex-unix.c where it forks a new process called cc1plus. I'm
>>>> guessing this is the C++ compiler that is being called. Anyway I'd
>>>> like to know how to continue stepping into it.
>>> 
>>> Add the attached scripts to your path and run:
>>> 
>>> % debugx cc1plus g++ rest of command line
>
>> Try "gdb --args cc1plus ...".
>
> But then you have to know the command line passed to cc1plus.  And
> what if gdb doesn't support --args, or if you want to use emacs and it
> doesn't support gdb --args?

You don't want to use such an old gdb anyway.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
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