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From: Ted Zlatanov <tzz@lifelogs.com>
To: emacs-devel@gnu.org
Subject: Re: DSO-style FFI
Date: Wed, 09 Oct 2013 18:26:56 -0400	[thread overview]
Message-ID: <87bo2yt70v.fsf@flea.lifelogs.com> (raw)
In-Reply-To: 52546F55.1020707@lanl.gov

On Tue, 08 Oct 2013 14:47:17 -0600 Davis Herring <herring@lanl.gov> wrote: 

DH> An interface like ctypes from Python would not involve Lisp_Objects on
DH> the other side, but would rather provide a means for a Lisp program to
DH> specify a mapping from its objects (Lisp_Objects, of course) to the C
DH> datatypes appropriate to the interface.  Simple things like "expose my
DH> string as a writable char*" and "copy my integer into an int passed by
DH> value" would suffice for many clients (or many target libraries, which
DH> is much the same thing).  libffi helps to formulate the actual calls
DH> (with all their platform/ABI-dependent nonsense) based on such abstract
DH> descriptions.

That's pretty dangerous, isn't it?  Any memory corruption, intentional
or not, could affect the user significantly.  Is that an acceptable risk?

Ted




  reply	other threads:[~2013-10-09 22:26 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-06  9:15 GNU Emacs-libnettle-libhogweed integration patch v1 Ted Zlatanov
2013-10-06  9:58 ` bignum support in Emacs with libgmp (was: GNU Emacs-libnettle-libhogweed integration patch v1) Ted Zlatanov
2013-10-06 16:09 ` GNU Emacs-libnettle-libhogweed integration patch v1 Eli Zaretskii
2013-10-06 21:07   ` Ted Zlatanov
2013-10-06 16:51 ` Stefan Monnier
2013-10-06 16:58   ` Eli Zaretskii
2013-10-06 21:19   ` Ted Zlatanov
2013-10-07  4:02     ` Stefan Monnier
2013-10-07 11:41       ` Ted Zlatanov
2013-10-07 22:03         ` Ted Zlatanov
2013-10-07 22:58           ` Stefan Monnier
2013-10-07 23:43             ` Emacs crypto use cases (was: GNU Emacs-libnettle-libhogweed integration patch v1) Ted Zlatanov
2013-10-08  3:02               ` Emacs crypto use cases Stefan Monnier
2013-10-08 10:33                 ` Ted Zlatanov
2013-10-08 13:17                   ` Stephen J. Turnbull
2013-10-08 16:35                   ` DSO-style FFI (was: Emacs crypto use cases) Stefan Monnier
2013-10-08 17:32                     ` DSO-style FFI Tom Tromey
2013-10-08 19:42                       ` Ted Zlatanov
2013-10-08 20:43                         ` Tom Tromey
2013-10-09 23:21                           ` Ted Zlatanov
2013-10-10  8:09                             ` Andreas Schwab
2013-10-08 20:47                         ` Davis Herring
2013-10-09 22:26                           ` Ted Zlatanov [this message]
2013-10-09 23:52                             ` Davis Herring
2013-10-10  1:25                               ` Ted Zlatanov
2013-10-10  4:36                                 ` DSO-style DSOs (this is NOT an FFI!) Stephen J. Turnbull
2013-10-09  1:48                       ` DSO-style FFI Stephen J. Turnbull
2013-10-09  2:40                       ` Stefan Monnier
2013-10-12 15:34                         ` Michael Welsh Duggan
2013-10-12 18:55                           ` Stefan Monnier
2013-10-18 13:31                             ` Ted Zlatanov
2013-10-19 14:41                               ` Stefan Monnier
2013-10-19 15:08                               ` Stefan Monnier
2013-10-19 17:33                               ` Andy Moreton
2013-10-19 19:44                                 ` Ted Zlatanov
2013-10-12 23:36                           ` Stephen J. Turnbull
2013-10-08 19:50                     ` Ted Zlatanov

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