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From: Andrew Cagney <ac131313@cygnus.com>
To: "H . J . Lu" <hjl@lucon.org>
Cc: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>,
	Richard Henderson <rth@redhat.com>,
	David B Anderson <davea@quasar.engr.sgi.com>,
	gdb@sourceware.cygnus.com, binutils@sourceware.cygnus.com
Subject: Re: Why does mips define elf_backend_sign_extend_vma to true?
Date: Thu, 09 Aug 2001 12:23:00 -0000	[thread overview]
Message-ID: <3B72E31C.6050405@cygnus.com> (raw)
In-Reply-To: <20010808090249.A28467@lucon.org>

> There is a bug but the underlying problem is the oposite of what you 
>> claim.  Something is breaking that simple always sign-extend rule 
>> (forgetting to sign extend something) and, as a consequence, the symbol 
>> lookup is failing.
>> 
> 
> 
> I am willing to buy it. The immediate problem is in
> 
> struct obj_section *
> find_pc_sect_section (CORE_ADDR pc, struct sec *section)
> {
>   struct obj_section *s;
>   struct objfile *objfile;


Ah, now your getting it! :-)

In the bad old days, one developer would decide that the PC was wrong, 
and a second would decide that the s->endaddr was wrong.  They would 
then fix/test their local cases and commit their changes.  Only to find 
that their target was still broken .... :-/

	Andrew


  parent reply	other threads:[~2001-08-09 12:23 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-07 20:27 David B Anderson
2001-08-07 22:04 ` H . J . Lu
2001-08-07 22:46   ` Richard Henderson
2001-08-07 23:21     ` H . J . Lu
2001-08-08  0:50       ` Richard Henderson
2001-08-08  1:09       ` Maciej W. Rozycki
2001-08-08  7:29         ` H . J . Lu
2001-08-08  7:50           ` Andrew Cagney
2001-08-08  8:03             ` H . J . Lu
2001-08-08  8:18               ` Andrew Cagney
2001-08-08  9:02                 ` H . J . Lu
2001-08-08  9:53                   ` Daniel Jacobowitz
2001-08-08 10:02                     ` H . J . Lu
2001-08-08 11:02                       ` Daniel Jacobowitz
2001-08-08 11:08                         ` H . J . Lu
2001-08-09 12:23                   ` Andrew Cagney [this message]
2001-08-08  9:48               ` Daniel Jacobowitz
2001-08-08  9:52                 ` H . J . Lu
2001-08-10  0:47               ` Maciej W. Rozycki
     [not found] <20010807182459.A15252@lucon.org>
     [not found] ` <20010807183933.A15425@lucon.org>
     [not found]   ` <3B709900.3000502@cygnus.com>
     [not found]     ` <20010807184504.A15571@lucon.org>
2001-08-07 18:52       ` H . J . Lu
2001-08-07 18:58         ` Daniel Jacobowitz

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