From: Andreas Schwab <schwab@suse.de>
To: Mark Kettenis <mark.kettenis@xs4all.nl>
Cc: drow@false.org, janani@linux.ibm.com, gdb-patches@sourceware.org,
pgilliam@us.ibm.com, janani@us.ibm.com
Subject: Re: [patch] Pushing Inferior Function Arguments onto Stack on PowerPC64 machines
Date: Wed, 04 Oct 2006 20:27:00 -0000 [thread overview]
Message-ID: <je4pujaksj.fsf@sykes.suse.de> (raw)
In-Reply-To: <200610042018.k94KIbLQ007549@elgar.sibelius.xs4all.nl> (Mark Kettenis's message of "Wed, 4 Oct 2006 22:18:37 +0200 (CEST)")
Mark Kettenis <mark.kettenis@xs4all.nl> writes:
> Indeed. GCC has been getting things wrong in this area before. And
> on top of that, some versions of GCC get it right while other versions
> get it wrong. If there are indeed versions of GCC in widespread use
> that do not follow the ABI, we should probably try to add a workaround
> in GCC. But if there are also versions of GCC that do follow the ABI,
> adding such a workaround might be impossible.
AFAICS, GCC on AIX follows the ABI here, but ppc64-linux deviates from it.
This is controlled by AGGREGATES_PAD_UPWARD_ALWAYS in
rs6000.c:function_arg_padding in the gcc source.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2006-10-04 20:27 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-04 19:00 janani
2006-10-04 19:11 ` Daniel Jacobowitz
2006-10-04 19:14 ` Daniel Jacobowitz
2006-10-04 20:19 ` Mark Kettenis
2006-10-04 20:27 ` Andreas Schwab [this message]
[not found] ` <OFE88464A1.C58B072A-ON872571FD.006ABA69-862571FD.006C7CFB@us.ibm.com>
2006-10-04 20:26 ` Daniel Jacobowitz
-- strict thread matches above, loose matches on Subject: below --
2006-10-04 21:02 janani
[not found] <20041026075115.4A2C354AAB5@stray.canids>
[not found] ` <20041026132924.GA26886@nevyn.them.org>
[not found] ` <drow@false.org>
2004-10-26 15:01 ` backtrace changes current source location Felix Lee
2004-10-27 17:35 ` Andrew Cagney
2004-10-27 17:40 ` Daniel Jacobowitz
2004-10-28 0:52 ` Felix Lee
2004-10-29 15:22 ` Andrew Cagney
2004-10-29 15:36 ` Daniel Jacobowitz
2004-10-29 22:07 ` Felix Lee
2004-10-30 0:02 ` Andrew Cagney
2004-10-30 3:28 ` Felix Lee
2004-11-01 4:38 ` Felix Lee
2004-11-01 16:04 ` Andrew Cagney
2004-11-01 16:13 ` Daniel Jacobowitz
2004-11-05 8:51 ` Felix Lee
2006-10-04 20:43 ` [patch] Pushing Inferior Function Arguments onto Stack on PowerPC64 machines David Edelsohn
2006-10-04 20:52 ` Daniel Jacobowitz
2006-10-04 19:54 janani
2006-10-03 19:15 Janani Janakiraman
2006-10-03 19:20 ` Daniel Jacobowitz
2005-08-15 13:37 Procedure for large drop? Paul Hilfinger
2005-08-15 14:15 ` Daniel Jacobowitz
2005-08-15 21:50 ` Paul Hilfinger
2005-08-16 2:36 ` Jason Molenda
2005-08-20 22:15 ` Paul Hilfinger
2005-08-22 19:00 ` Daniel Jacobowitz
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