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Re: [gomp4] Add tables generation

On Sat, Apr 05, 2014 at 05:22:09PM +0200, Bernd Schmidt wrote:
> On 04/05/2014 05:04 PM, Thomas Schwinge wrote:
> >Is it a linker bug that I need to add something like the following?
> >
> >--- libgcc/ompstuff.c
> >+++ libgcc/ompstuff.c
> >@@ -40,6 +40,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
> >  #include "libgcc_tm.h"
> >
> >  #if defined(HAVE_GAS_HIDDEN) && defined(ENABLE_OFFLOADING)
> >+# if 1
> >+/* TODO: Without the following, will get missing symbols for __start_* and
> >+   __stop_*.  Linker bug?  */
> >+static void *_funcs[0] __attribute__ ((section ("__gnu_offload_funcs"))) = { };
> >+static void *_vars[0] __attribute__ ((section ("__gnu_offload_vars"))) = { };
> >+# endif
> Things seemed to work over here, but now I'm not certain whether the
> __start_/__stop_ functionality is GNU ld specific? Maybe we should
> just go back to the previous version of this patch which didn't try
> to use this.

Somebody needs to try it with gold, I think it should support the same.
As for other linkers, don't we need linker plugin support anyway, which is
not available for other linkers?


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