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From: Andreas Schwab <schwab@suse.de>
To: Nathan Sidwell <nathan@codesourcery.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [m68k] fix return value extraction
Date: Tue, 06 Jun 2006 10:50:00 -0000	[thread overview]
Message-ID: <jebqt68sn2.fsf@sykes.suse.de> (raw)
In-Reply-To: <4485563A.6020503@codesourcery.com> (Nathan Sidwell's message of 	"Tue, 06 Jun 2006 11:17:30 +0100")

Nathan Sidwell <nathan@codesourcery.com> writes:

> + /* a.out */
> + 
> + void
> + m68k_aout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
> + {
> +   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
> + 
> +   set_gdbarch_return_value (gdbarch, m68k_return_value);
> + 
> +   /* aout uses %a1 */
> +   tdep->struct_value_regnum = M68K_A1_REGNUM;
> +   tdep->struct_return = reg_struct_return;
> +   /* Pointers are returned in %a0 */
> +   tdep->ptr_value_regnum = M68K_A0_REGNUM;

I don't think this is correct.  The GCC default for m68k is the old Sun3
ABI, which returns everything in %d0 and uses pcc structure return.

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."


  reply	other threads:[~2006-06-06 10:50 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-05 15:26 Nathan Sidwell
2006-06-05 16:51 ` Andreas Schwab
2006-06-06 10:18   ` Nathan Sidwell
2006-06-06 10:50     ` Andreas Schwab [this message]
2006-06-06 12:31       ` Daniel Jacobowitz
2006-06-17 12:54     ` Andreas Schwab
2006-06-09 10:13 ` Andreas Schwab
2006-06-09 10:15   ` Nathan Sidwell

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