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From: Andrew Cagney <cagney@gnu.org>
To: Mark Kettenis <kettenis@chello.nl>
Cc: ac131313@redhat.com, gdb-patches@sources.redhat.com
Subject: Re: [rfa:amd64] Fetch 32-bit thread area
Date: Sat, 28 Feb 2004 15:22:00 -0000	[thread overview]
Message-ID: <4040B235.2090405@gnu.org> (raw)
In-Reply-To: <200402281151.i1SBpN4u000732@elgar.kettenis.dyndns.org>

>    Date: Thu, 26 Feb 2004 20:24:47 -0500
>    From: Andrew Cagney <ac131313@redhat.com>
> 
>    Hello,
> 
>    This modifies the amd64 code so that, when 32-bit, it fetches the 32-bit 
>    thread area register (I think this has been posted before?).
> 
> Why #if 0 ... #else ... #endif?

Tipo from testing.

> Anyway, I'm not really happy with the 
> 
>    switch (TARGET_ARCHITECTURE->mach)
> 
> construction.  The other AMD64 native code uses an
> 
>    if (gdbarch_ptr_bit (current_gdbarch) == 32)
> 
> to distinguish between 32-bit and 64-bit code.  While this may not be
> completely correct (someone might come up with a native AMD64 ABI with
> 32-bit pointers), I'd rather not use multiple variations of the
> 32-bit/64-bit check in the code.

Is it ok with that change?

Andrew



  reply	other threads:[~2004-02-28 15:22 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-27  1:24 Andrew Cagney
2004-02-28 11:51 ` Mark Kettenis
2004-02-28 15:22   ` Andrew Cagney [this message]
2004-02-28 17:37     ` Mark Kettenis
2004-02-28 19:40       ` Andrew Cagney

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