From: Andreas Schwab <schwab@suse.de>
To: Ulrich Weigand <weigand@i1.informatik.uni-erlangen.de>
Cc: Andrew Cagney <cagney@gnu.org>, gdb-patches@sources.redhat.com
Subject: Re: [PATCH] Fix frame ID comparison problem on s390
Date: Sun, 27 Jun 2004 22:59:00 -0000 [thread overview]
Message-ID: <jeeko0mx3c.fsf@sykes.suse.de> (raw)
In-Reply-To: <20040627214831.GA30684@nevyn.them.org> (Daniel Jacobowitz's message of "Sun, 27 Jun 2004 17:48:31 -0400")
Daniel Jacobowitz <drow@false.org> writes:
>> + /* Flags to indicate the above fields have valid contents. */
>> + int stack_addr_p : 1;
>> + int code_addr_p : 1;
>> + int special_addr_p : 1;
>> };
>>
>> /* Methods for constructing and comparing Frame IDs.
>
> Some future version of GCC will warn about this mistake. The only
> valid values for "int : 1" are 0 and -1.
Actually it can be both 0/-1 and 0/1, since it is implementation defined
whether unadorned int bitfields are signed or unsigned.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2004-06-27 22:59 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-20 13:31 Ulrich Weigand
2004-05-20 14:17 ` Daniel Jacobowitz
2004-05-24 13:45 ` Ulrich Weigand
2004-05-24 18:52 ` Andrew Cagney
2004-06-09 14:12 ` Ulrich Weigand
2004-06-09 14:55 ` Andrew Cagney
2004-06-16 13:48 ` Ulrich Weigand
2004-06-16 17:33 ` Andrew Cagney
2004-06-27 20:48 ` Ulrich Weigand
2004-06-27 21:48 ` Daniel Jacobowitz
2004-06-27 22:35 ` Ulrich Weigand
2004-06-27 22:59 ` Andreas Schwab [this message]
2004-06-27 23:11 ` Daniel Jacobowitz
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