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From: Pedro Alves <palves@redhat.com>
To: Steve Ellcey <sellcey@imgtec.com>, gdb-patches@sourceware.org
Subject: Re: MIPS simulator is broken
Date: Tue, 12 Jan 2016 10:25:00 -0000	[thread overview]
Message-ID: <5694D495.10305@redhat.com> (raw)
In-Reply-To: <20160112010025.GE4894@vapier.lan>

On 01/12/2016 01:00 AM, Mike Frysinger wrote:

> and indeed, the mips bfds (for whatever reason) do:
> elf32-mips.c:#define elf_backend_sign_extend_vma    TRUE
> elf64-mips.c:#define elf_backend_sign_extend_vma    TRUE
> elfn32-mips.c:#define elf_backend_sign_extend_vma   TRUE
> 
> i don't know why mips wants to do this, and considering literally no
> other target does it (ok, sh64 does it, but let's ignore them since
> that target is dead & being removed), it's probably not an accident.
> so we have to hack around it in the sim:

AFAIK, that's just how the machine works:

  https://sourceware.org/ml/binutils/2002-09/msg00135.html

Thanks,
Pedro Alves


  parent reply	other threads:[~2016-01-12 10:25 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-08 22:30 Steve Ellcey 
2016-01-08 22:49 ` Mike Frysinger
2016-01-11 22:38   ` Steve Ellcey
2016-01-11 22:57     ` Mike Frysinger
2016-01-12  1:00 ` Mike Frysinger
2016-01-12  6:49   ` Mike Frysinger
2016-01-12 10:25   ` Pedro Alves [this message]
2016-01-30 16:10   ` Maciej W. Rozycki
2016-02-10  7:28     ` Mike Frysinger
2016-02-11 16:54       ` Maciej W. Rozycki
2016-03-10 14:09       ` Matthew Fortune
2016-03-21 11:54       ` Matthew Fortune
2016-04-05  8:33         ` Matthew Fortune

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