From: Joel Brobecker <brobecker@adacore.com>
To: Tom Tromey <tromey@redhat.com>
Cc: Ulrich Weigand <uweigand@de.ibm.com>, gdb-patches@sourceware.org
Subject: Re: [RFC/RFA] add struct parse_context to all command functions
Date: Sun, 26 Oct 2008 15:19:00 -0000 [thread overview]
Message-ID: <20081026151831.GA3617@adacore.com> (raw)
In-Reply-To: <m3r664sjxy.fsf@fleche.redhat.com>
> Joel> I like the idea as well. Just one question: Why did you elect to
> Joel> pass the structure as a pointer, rather than the structure
> Joel> itself?
>
> To avoid copying. Most users just reference fields from the
> structure, or pass it through unmodified. So, this is more efficient
> in the common cases.
Ah, yes, of course. I was just confused with the pass-by-reference at
the ABI level. I think the same reasons apply to struct parse_context,
so I'll adjust my approach accordingly - even if the structure is small
right now (3 words for now), it's still bigger than 1 address...
--
Joel
next prev parent reply other threads:[~2008-10-26 15:19 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-09 14:05 Joel Brobecker
2008-10-09 16:13 ` Tom Tromey
2008-10-09 22:20 ` Joel Brobecker
2008-10-20 16:16 ` Joel Brobecker
2008-10-20 19:03 ` Thiago Jung Bauermann
2008-10-21 0:47 ` Daniel Jacobowitz
2008-10-21 18:06 ` Ulrich Weigand
2008-10-21 18:18 ` Daniel Jacobowitz
2008-10-22 1:40 ` Joel Brobecker
2008-10-22 20:15 ` Tom Tromey
2008-10-22 20:36 ` Joel Brobecker
2008-10-21 1:22 ` Tom Tromey
2008-10-21 7:07 ` Joel Brobecker
2008-10-21 18:12 ` Ulrich Weigand
2008-10-21 18:58 ` Tom Tromey
2008-10-21 19:33 ` Tom Tromey
2008-10-22 18:03 ` Ulrich Weigand
2008-10-22 18:54 ` Tom Tromey
2008-10-22 22:24 ` Ulrich Weigand
2008-10-23 1:02 ` Tom Tromey
2008-10-23 19:50 ` Ulrich Weigand
2008-10-23 21:29 ` Tom Tromey
2008-10-24 13:01 ` Ulrich Weigand
2008-10-25 16:05 ` Tom Tromey
2008-10-27 17:07 ` Tom Tromey
2008-10-28 16:27 ` Ulrich Weigand
2008-10-28 18:17 ` Tom Tromey
2008-10-28 20:00 ` Ulrich Weigand
2008-10-25 16:25 ` Joel Brobecker
2008-10-25 16:46 ` Tom Tromey
2008-10-26 15:19 ` Joel Brobecker [this message]
2008-10-21 18:05 ` Ulrich Weigand
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