From: Jim Blandy <jimb@redhat.com>
To: Daniel Jacobowitz <drow@mvista.com>
Cc: gdb@sources.redhat.com
Subject: Re: Macro code crasher on re-run
Date: Mon, 03 Nov 2003 21:00:00 -0000 [thread overview]
Message-ID: <vt2u15luq0y.fsf@zenia.home> (raw)
In-Reply-To: <20031103045601.GA32557@nevyn.them.org>
Daniel Jacobowitz <drow@mvista.com> writes:
> > I don't follow. All default_macro_scope's callers check for null
> > return; it's documented to return zero at times. So you must be
> > talking about that code in sal_macro_scope itself. Line 39 refers to
> > sal.symtab, initialized by line 115, so you must be talking about line
> > 40. But sal.symtab must be non-zero, or else we wouldn't reach the
> > right operand of the ||.
> >
> > Or should I sleep and try again?
> >
>
> Right. sal.symtab is nonzero. sal.symtab->macro_table, however, is
> uninitialized. The short-circuit if on line 40 does not trigger, but
> the remainder of sal_macro_scope assumes that sal.symtab->macro_table
> is valid.
>
> In my case it happens to be 0xB.
Every symtab's macro_table field should be initialized, at least to
zero. Which symtab is it? Who creates it?
next prev parent reply other threads:[~2003-11-03 21:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-03 4:07 Daniel Jacobowitz
2003-11-03 4:48 ` Jim Blandy
2003-11-03 4:56 ` Daniel Jacobowitz
2003-11-03 21:00 ` Jim Blandy [this message]
2003-11-03 21:04 ` Daniel Jacobowitz
2003-11-03 21:34 ` Jim Blandy
2003-11-03 21:37 ` Daniel Jacobowitz
2003-11-03 23:51 ` Jim Blandy
2003-11-07 16:29 ` Daniel Jacobowitz
2003-11-10 23:38 ` Jim Blandy
2003-11-03 21:46 ` David Carlton
2003-11-03 22:01 ` Andrew Cagney
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