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Date: Mon, 03 Jun 2002 19:54:00 -0000
From: "H . J . Lu" <hjl@lucon.org>
To: Doug Evans <dje@transmeta.com>
Cc: Richard Henderson <rth@redhat.com>,
	Jakub Jelinek <jakub@redhat.com>, echristo@redhat.com,
	GDB <gdb@sources.redhat.com>
Subject: Re: PATCH: Use stabs for Linux/mips (Re: binutils is broken on ELF/MIPS)
Message-ID: <20020603195358.C5377@lucon.org>
References: <20020603092959.A27426@lucon.org> <20020603104131.A28590@lucon.org> <20020603115703.A29881@lucon.org> <20020604003246.C20867@sunsite.ms.mff.cuni.cz> <20020603153716.A1294@lucon.org> <20020603162527.A2073@lucon.org> <20020603234058.GA2262@branoic.them.org> <20020603165101.A2466@lucon.org> <20020603174327.B13967@redhat.com> <15612.11068.679819.967953@casey.transmeta.com>
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In-Reply-To: <15612.11068.679819.967953@casey.transmeta.com>; from dje@transmeta.com on Mon, Jun 03, 2002 at 07:51:40PM -0700
X-SW-Source: 2002-06/txt/msg00041.txt.bz2

On Mon, Jun 03, 2002 at 07:51:40PM -0700, Doug Evans wrote:
> Richard Henderson writes:
>  > On Mon, Jun 03, 2002 at 04:51:01PM -0700, H . J . Lu wrote:
>  > > > > It turned out gas doesn't support dwarf debug info for Linux/mipsel
>  > > > > at all. ".file" and ".loc" don't do much for dwarf.
>  > 
>  > These directives aren't required for proper operation.
>  > If they're not present, then gcc will emit the data itself
>  > with labels and offsets.
>  > 
>  > If there are any remaining binutils bugs, then they should
>  > be fixed in binutils.  We can require a later binutils 
>  > release for Linux/mipsel.
> 
> fyi, heads up, and all that ...
> 
> See gdb pr 456 for a bug where gdb can handle .file/.loc but
> can't handle the raw primitives emitted by gcc.

FYI, I looked at the asm output from gcc 3.1.1 for Linux/mipsel.
It has .file/.loc.


H.J.