From: "Aurélien Aptel" <aurelien.aptel+emacs@gmail.com>
To: Xue Fuqiao <xfq.free@gmail.com>
Cc: help-gnu-emacs@gnu.org
Subject: Re: What does "tag space" mean?
Date: Fri, 1 Mar 2013 14:21:45 +0100 [thread overview]
Message-ID: <CA+5B0FP96_Os30SZ_U0Rxa=ZNghh6W84Xfsndp9t2wJyQ7P2AA@mail.gmail.com> (raw)
In-Reply-To: <20130301203952.bd28e3ed22f0d37bff19518f@gmail.com>
On Fri, Mar 1, 2013 at 1:39 PM, Xue Fuqiao <xfq.free@gmail.com> wrote:
> What does "tag space" mean here? I had searched the manual and web, but I
> didn't find anything useful. Can anybody help? Thanks.
Lisp_Objet use 3 bits to store types ie. to "tag" a pointer. Thus, tag
space can hold 2^3 values.
I've started to write a small guide to the C code on emacswiki [1].
Any contribution welcome :)
http://www.emacswiki.org/emacs/HackerGuide
next prev parent reply other threads:[~2013-03-01 13:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-01 12:39 What does "tag space" mean? Xue Fuqiao
2013-03-01 13:21 ` Aurélien Aptel [this message]
2013-03-01 13:39 ` Xue Fuqiao
2013-03-01 14:19 ` Eli Zaretskii
2013-03-01 14:40 ` Thien-Thi Nguyen
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