From: Daniel Jacobowitz <drow@mvista.com>
To: Earl Chew <earl_chew@agilent.com>
Cc: gdb@sources.redhat.com
Subject: Re: Mystified by "Internal error: pc 0x89f21e10 read in psymtab, but not in symtab
Date: Fri, 13 Sep 2002 18:32:00 -0000 [thread overview]
Message-ID: <20020914013314.GB31038@nevyn.them.org> (raw)
In-Reply-To: <3D8270FF.3086EA5C@agilent.com>
On Fri, Sep 13, 2002 at 04:13:04PM -0700, Earl Chew wrote:
> Daniel Jacobowitz wrote:
> > What version compiler and assembler are you using? And are they FSF
> > or WindRiver-supplied?
>
> FSF gcc 2.95.4 and binutils 2.11 (I think).
With any patches? And, did you check which of .mdebug/.stab you're
getting?
> > > Patching dbxread.c
> > >
> > > pst->symtab = end_symtab (text_offset +
> > > text_size +
> > > section_offsets->offsets[SECT_OFF_TEXT (objfile)],
> > > objfile, SECT_OFF_TEXT (objfile));
> > >
> > > cures the problem.
> > >
> > > But I'm not sure if this patch should be applied to
> > > end_symtab() instead. I looked and end_symtab() is called from
> > > many places, and I don't have enough information to decide
> > > if they're right/wrong in the manner of dbxread.c.
> > >
> > This sounds like your GCC and binutils are out of sync, in fact.
>
> I'm pretty sure there's something wrong with gdb in this regard
> because end_symtab is being called with cstk->start_addr
> (succesfully relocated) and end_addr (not relocated).
One difference between stabs-in-mdebug and stabs-in-elf is whether line
and other addresses are relative to the beginning of the function or
absolute. A mismatch causes this symptom. If you're getting
stabs-in-ELF, I believe GCC 2.95 is not prepared for that.
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
next prev parent reply other threads:[~2002-09-14 1:32 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-13 14:42 Earl Chew
2002-09-13 15:01 ` Daniel Jacobowitz
2002-09-13 15:42 ` Earl Chew
2002-09-13 15:51 ` Daniel Jacobowitz
2002-09-13 16:13 ` Earl Chew
2002-09-13 18:32 ` Daniel Jacobowitz [this message]
2002-09-15 8:43 ` Earl Chew
2002-09-15 9:02 ` Daniel Jacobowitz
2002-09-15 9:11 ` Earl Chew
2002-09-15 13:39 ` H. J. Lu
2002-09-15 13:43 ` Daniel Jacobowitz
2002-09-15 21:42 ` Earl Chew
2002-09-16 7:03 ` H. J. Lu
2002-09-16 12:26 ` Jim Blandy
2002-09-16 13:01 ` Earl Chew
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