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Re: Dynamic loading progress
From: |
Eli Zaretskii |
Subject: |
Re: Dynamic loading progress |
Date: |
Thu, 15 Oct 2015 18:38:20 +0300 |
> From: Andreas Schwab <address@hidden>
> Cc: Philipp Stephani <address@hidden>, address@hidden, address@hidden,
> address@hidden, address@hidden
> Date: Thu, 15 Oct 2015 09:00:35 +0200
>
> >> If you need to wrap a pointer in a Lisp_Object, we have XIL and XLI
> >> macros for that.
> >>
> >>
> >> These are no-ops in my version of lisp.h:
> >>
> >> # define lisp_h_XLI(o) (o)
> >> # define lisp_h_XIL(i) (i)
> >>
> >> Unless I'm misunderstanding something, these macros can't be used to wrap
> >> pointers in the general case.
> >
> > We do that all the time, so I don't understand why you understand
> > that. Please elaborate.
>
> You can only use them for pointers that are known to fit in the range of
> Lisp_Int, ie. all tag bits clear. This is true for all lisp object
> pointers (obviously), but not for other pointers. For boxing arbitrary
> pointers we have Lisp_Save_Value.
Right, for pointers to simple data types, like 'char', 'short', 'int',
etc., one needs to use Lisp_Save_Value. For pointers to struct's, XLI
and XIL will do the job on the supported platforms.
- Re: Dynamic loading progress, (continued)
- Re: Dynamic loading progress, Daniel Colascione, 2015/10/08
- Re: Dynamic loading progress, Philipp Stephani, 2015/10/08
- Re: Dynamic loading progress, Daniel Colascione, 2015/10/08
- Re: Dynamic loading progress, Philipp Stephani, 2015/10/08
- Re: Dynamic loading progress, Aurélien Aptel, 2015/10/08
- Re: Dynamic loading progress, Eli Zaretskii, 2015/10/08
- Re: Dynamic loading progress, Philipp Stephani, 2015/10/14
- Re: Dynamic loading progress, Eli Zaretskii, 2015/10/15
- Re: Dynamic loading progress, Andreas Schwab, 2015/10/15
- Re: Dynamic loading progress, Aurélien Aptel, 2015/10/15
- Re: Dynamic loading progress,
Eli Zaretskii <=
- Re: Dynamic loading progress, Andreas Schwab, 2015/10/15
- Re: Dynamic loading progress, Eli Zaretskii, 2015/10/15
- Re: Dynamic loading progress, Andreas Schwab, 2015/10/15
- Re: Dynamic loading progress, Eli Zaretskii, 2015/10/15
- Re: Dynamic loading progress, Andreas Schwab, 2015/10/15
- Re: Dynamic loading progress, Eli Zaretskii, 2015/10/15
- Re: Dynamic loading progress, Philipp Stephani, 2015/10/15
- Re: Dynamic loading progress, Eli Zaretskii, 2015/10/16
- Re: Dynamic loading progress, Philipp Stephani, 2015/10/14
- Re: Dynamic loading progress, Aurélien Aptel, 2015/10/15