[cfe-dev] FreeBSD is now a libcompiler_rt customer

[Rafael Espíndola]

Nice!

You might be able to use http://www.nongnu.org/libunwind/ for EH.

On 11 November 2010 10:59, Ed Schouten <ed at 80386.nl> wrote:
> Hello all,
>
> Below this email is a log message of a commit I just made to FreeBSD's
> SVN repository. It looks like libcompiler_rt now has yet another
> customer!
>
> Unfortunately it doesn't build on all architectures supported by FreeBSD
> by default, so I had to patch it as follows:
>
> --- lib/clear_cache.c
> +++ lib/clear_cache.c
> @@ -8,6 +8,7 @@
>  * ===----------------------------------------------------------------------===
>  */
>
> +#include "int_lib.h"
>  #include <stdlib.h>
>
>  #if __APPLE__
> --- lib/trampoline_setup.c
> +++ lib/trampoline_setup.c
> @@ -23,7 +23,7 @@ extern void __clear_cache(void* start, v
>  * and then jumps to the target nested function.
>  */
>
> -#if __ppc__
> +#if __ppc__ && !defined(__powerpc64__)
>  void __trampoline_setup(uint32_t* trampOnStack, int trampSizeAllocated,
>                                 const void* realFunc, void* localsPtr)
>  {
>
> Greetings,
> --
>  Ed Schouten <ed at 80386.nl>
>  WWW: http://80386.nl/
>
> ----- Forwarded message from Ed Schouten <ed at FreeBSD.org> -----
>> Date: Thu, 11 Nov 2010 15:48:27 +0000 (UTC)
>> From: Ed Schouten <ed at FreeBSD.org>
>> To: src-committers at freebsd.org, svn-src-all at freebsd.org,
>>       svn-src-head at freebsd.org
>> Subject: svn commit: r215127 - in head: . gnu/lib/libgcc lib sys/sys
>>
>> Author: ed
>> Date: Thu Nov 11 15:48:27 2010
>> New Revision: 215127
>> URL: http://svn.freebsd.org/changeset/base/215127
>>
>> Log:
>>   Replace libgcc.a by libcompiler_rt.a.
>>
>>   libcompiler_rt.a is a BSD licensed C language runtime, which implements
>>   many routines which are linked into binaries on architectures where
>>   certain functionality is missing (e.g. 64 bits mul/div on i386).
>>
>>   Unfortunately, libcompiler_rt cannot replace libgcc entirely. Certain
>>   features, such as an unwinder for exception handling, are missing.
>>   That's why only libgcc.a is replaced for now, because this one does seem
>>   to be complete.
>>
>>   Tested by:  rene (amd64), nwhitehorn (powerpc), droso (i386 exprun)
>>               and many others. Thanks!
>>   Obtained from:      user/ed/compiler-rt
>>
>> <snip>
> ----- End forwarded message -----
>
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