* index.html: Reformatted and updated to reflect hosting on
sourceware.cygnus.com (new mailing lists, etc).
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1998-11-30 Anthony Green <green@cygnus.com>
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* index.html: Reformatted and updated to reflect hosting on
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sourceware.cygnus.com (new mailing lists, etc).
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1998-11-29 Anthony Green <green@cygnus.com>
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1998-11-29 Anthony Green <green@cygnus.com>
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* index.html: Created (bootstrapped from old web pages).
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* index.html: Created (bootstrapped from old web pages).
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@@ -8,20 +8,26 @@ libffi
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<h1>The libffi Home Page</h1>
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<h1>The libffi Home Page</h1>
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<b>libffi-1.20</b> was released on October 5, 1998. You can ftp it from <a href="ftp://ftp.cygnus.com:/pub/green/libffi-1.20.tar.gz">ftp.cygnus.com:/pub/green/libffi-1.20.tar.gz</a>.
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<b>libffi-1.20</b> was released on October 5, 1998. You can ftp it
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from <a
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href="ftp://ftp.cygnus.com:/pub/green/libffi-1.20.tar.gz">ftp.cygnus.com:/pub/green/libffi-1.20.tar.gz</a>.
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However, newer code is available. See below for details.
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<p>
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<p>
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If you wish to be notified of libffi releases by email, fill out <a href="libffi-form.html">this form</a>.
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libffi is free software. It has a very <a
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href="http://sourceware.cygnus.com/cgi-bin/cvsweb.cgi/~checkout~/libffi/LICENSE?rev=1.1&cvsroot=libffi&hideattic=1&sortbydate=0">liberal
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license</a>.
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<h2>What is libffi?</h2>
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<h2>What is libffi?</h2>
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Compilers for high level languages generate code that follow certain
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Compilers for high level languages generate code that follow certain
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conventions. These conventions are necessary, in part, for separate
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conventions. These conventions are necessary, in part, for separate
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compilation to work. One such convention is the "calling
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compilation to work. One such convention is the "calling
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convention". The "calling convention" is essentially a set of
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convention". The "calling convention" is a set of assumptions made by
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assumptions made by the compiler about where function arguments will
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the compiler about where function arguments will be found on entry to
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be found on entry to a function. A "calling convention" also specifies
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a function. A "calling convention" also specifies where the return
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where the return value for a function is found.
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value for a function is found.
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<p>
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<p>
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@@ -35,7 +41,8 @@ bridge from the interpreter program to compiled code.
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The libffi library provides a portable, high level programming
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The libffi library provides a portable, high level programming
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interface to various calling conventions. This allows a programmer to
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interface to various calling conventions. This allows a programmer to
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call any function specified by a call interface description at run-time.
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call any function specified by a call interface description at
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run-time.
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<p>
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<p>
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@@ -47,7 +54,7 @@ layer of a fully featured foreign function interface. A layer must
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exist above libffi that handles type conversions for values passed
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exist above libffi that handles type conversions for values passed
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between the two languages.
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between the two languages.
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<h2>Supported Platforms and Prerequisites</h2>
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<h2>Supported Platforms</h2>
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Libffi has been ported to:
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Libffi has been ported to:
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@@ -61,126 +68,87 @@ Libffi has been ported to:
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<li> ARM - Linux (System V ABI)
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<li> ARM - Linux (System V ABI)
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</ul>
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</ul>
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Libffi has been tested with the <a href="http://www.cygnus.com/egcs/">egcs</a> 1.0.2 gcc compiler. Chances are
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Libffi has been tested with the <a
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that other versions will work. Libffi has also been built and tested
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href="http://www.cygnus.com/egcs/">egcs</a> 1.0.2 gcc
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with the SGI compiler tools.
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compiler. Chances are that other versions will work. Libffi has also
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been built and tested with the SGI compiler tools.
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If you port libffi to another platform, please let me know! I assume
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If you port libffi to another platform, please let me know! I assume
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that some will be easy (x86 NetBSD), and others will be more difficult
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that some will be easy (x86 NetBSD), and others will be more difficult
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(HP, AIX).
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(HP, AIX).
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<h2>History</h2>
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<h2>How to get it</h2>
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You can download the latest version from <a href="ftp://ftp.cygnus.com:/pub/green/">ftp.cygnus.com:/pub/green/</a>.
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<p>
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You can also check out the very latest version via anonymous cvs.
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Here's how:
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<pre>
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<pre>
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1.20 Oct-5-98
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cvs -d :pserver:anoncvs@sourceware.cygnus.com:/cvs/libffi login
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Raffaele Sena produces ARM port.
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(password is ``anoncvs'')
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cvs -d :pserver:anoncvs@sourceware.cygnus.com:/cvs/libffi co libffi
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1.19 Oct-5-98
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Fixed x86 long double and long long return support.
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m68k bug fixes from Andreas Schwab.
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Patch for DU assembler compatibility for the Alpha from Richard
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Henderson.
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1.18 Apr-17-98
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Bug fixes and MIPS configuration changes.
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1.17 Feb-24-98
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Bug fixes and m68k port from Andreas Schwab. PowerPC port from
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Geoffrey Keating. Various bug x86, Sparc and MIPS bug fixes.
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1.16 Feb-11-98
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Richard Henderson produces Alpha port.
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1.15 Dec-4-97
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Fixed an n32 ABI bug. New libtool, auto* support.
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1.14 May-13-96
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libtool is now used to generate shared and static libraries.
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Fixed a minor portability problem reported by Russ McManus
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<mcmanr@eq.gs.com>.
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1.13 Dec-2-96
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Added --enable-purify-safety to keep Purify from complaining
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about certain low level code.
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Sparc fix for calling functions with < 6 args.
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Linux x86 a.out fix.
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1.12 Nov-22-96
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Added missing ffi_type_void, needed for supporting void return
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types. Fixed test case for non MIPS machines. Cygnus Support
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is now Cygnus Solutions.
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1.11 Oct-30-96
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Added notes about GNU make.
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1.10 Oct-29-96
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Added configuration fix for non GNU compilers.
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1.09 Oct-29-96
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Added --enable-debug configure switch. Clean-ups based on LCLint
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feedback. ffi_mips.h is always installed. Many configuration
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fixes. Fixed ffitest.c for sparc builds.
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1.08 Oct-15-96
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Fixed n32 problem. Many clean-ups.
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1.07 Oct-14-96
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Gordon Irlam rewrites v8.S again. Bug fixes.
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1.06 Oct-14-96
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Gordon Irlam improved the sparc port.
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1.05 Oct-14-96
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Interface changes based on feedback.
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1.04 Oct-11-96
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Sparc port complete (modulo struct passing bug).
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1.03 Oct-10-96
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Passing struct args, and returning struct values works for
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all architectures/calling conventions. Expanded tests.
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1.02 Oct-9-96
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Added SGI n32 support. Fixed bugs in both o32 and Linux support.
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Added "make test".
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1.01 Oct-8-96
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Fixed float passing bug in mips version. Restructured some
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of the code. Builds cleanly with SGI tools.
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1.00 Oct-7-96
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First release. No public announcement.
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</pre>
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</pre>
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<h2>Authors & Credits</h2>
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Once you have it checked out, you can update it with <tt>cvs update</tt>.
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Libffi was written by <b>Anthony Green</b>.
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<p>
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<p>
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Portions of libffi were derived from <b>Gianni Mariani</b>'s free gencall
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You can also <a
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href="http://sourceware.cygnus.com/cgi-bin/cvsweb.cgi/libffi/?cvsroot=libffi">
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view the cvs archive</a> via cvsweb.
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<h2>Mailing lists</h2>
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For such a small piece of software, there are plenty of mailing lists
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available.
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<ul>
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<li><tt>libffi-announce</tt> is a low volume mailing list for libffi release announcements
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<li><tt>libffi-discuss</tt> is a mailing list for asking questions, reporting bugs, etc.
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</ul>
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<p>To subscribe to the <code>libffi-announce</code> mailing list, enter your
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e-mail address:
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<form method="get" action="/cgi-bin/subscribe-libffi-announce">
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<input type="text" name="name" size="16"> <input type="Submit" name="submit" value="Sign me up!">
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</form>
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<br>To subscribe to the <code>libffi-discuss</code> mailing list, enter your
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e-mail address:
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<form method="get" action="/cgi-bin/subscribe-libffi-discuss">
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<input type="text" name="name" size="16"> <input type="Submit" name="submit" value="Sign me up!">
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</form>
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<p>
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<h2>Authors and Credits</h2>
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Libffi was written by <a href="http://www.cygnus.com/~green"><b>Anthony Green</b></a>.
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<ul>
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<li> Portions of libffi were derived from <b>Gianni Mariani</b>'s free gencall
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library for Silicon Graphics machines.
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library for Silicon Graphics machines.
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<p>
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<li> The sparc port was derived from code contributed by the fine folks at
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The sparc port was derived from code contributed by the fine folks at
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<b><a href="http://www.vdi.com">Visible Decisions Inc</a></b>. Further enhancements were made by <b>Gordon Irlam</b> at <a href="http://www.cygnus.com">Cygnus Solutions</a>.
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<b><a href="http://www.vdi.com">Visible Decisions Inc</a></b>. Further enhancements were made by <b>Gordon Irlam</b> at <a href="http://www.cygnus.com">Cygnus Solutions</a>.
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<p>
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<li>The Alpha port was written by <b>Richard Henderson</b> at Cygnus Solutions.
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The Alpha port was written by <b>Richard Henderson</b> at Cygnus Solutions.
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<li><b>Andreas Schwab</b> ported libffi to m68k Linux and provided a number of
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<p>
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<b>Andreas Schwab</b> ported libffi to m68k Linux and provided a number of
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bug fixes.
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bug fixes.
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<p>
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<li><b>Geoffrey Keating</b> ported libffi to the PowerPC.
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<b>Geoffrey Keating</b> ported libffi to the PowerPC.
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<li><b>Raffaele Sena</b> ported libffi to the ARM.
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<p>
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<li><b>Jesper Skov</b> and <b>Andrew Haley</b> both did more than their fair share of
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<b>Raffaele Sena</b> ported libffi to the ARM.
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<p>
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<b>Jesper Skov</b> and <b>Andrew Haley</b> both did more than their fair share of
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stepping through the code and tracking down bugs.
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stepping through the code and tracking down bugs.
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<p>
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<li>
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Thanks to <b>Tom Tromey</b> for bug fixes and configuration help.
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Thanks to <b>Tom Tromey</b> for bug fixes and configuration help.
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<p>
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<li>
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Thanks also to <b>Jim Blandy</b>, who provided some useful feedback on the libffi
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Thanks also to <b>Jim Blandy</b>, who provided some useful feedback on the libffi
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interface.
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interface.
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</ul>
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<p>
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<p>
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If you have a problem, or have found a bug, please send a note to
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If you have a problem, or have found a bug, please send a note to
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<a href="mailto:green@cygnus.com">green@cygnus.com</a>.
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<a href="mailto:libffi-discuss@cygnus.com">libffi-discuss@cygnus.com</a> or
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to me directly (<a href="mailto:green@cygnus.com">green@cygnus.com</a>).
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</body>
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</body>
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</html>
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</html>
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Reference in New Issue
Block a user