Re: [PATCH] Add missing crt0 symbols for RTEMS

[Sebastian Huber <sebastian dot huber at embedded-brains dot de>]

On 05/12/16 11:33, Corinna Vinschen wrote:
> Hi Sebastian,
>
> On Dec  5 08:22, Sebastian Huber wrote:
> > >In order to enable proper detection of thread-local storage availability
> > >we have to provide some symbols on ARM.
> > >
> > >Signed-off-by: Sebastian Huber<sebastian.huber@embedded-brains.de>
> > >---
> > >  newlib/libc/sys/rtems/crt0.c | 5 +++++
> > >  1 file changed, 5 insertions(+)
> > >
> > >diff --git a/newlib/libc/sys/rtems/crt0.c b/newlib/libc/sys/rtems/crt0.c
> > >index 1a0a055..769cde7 100644
> > >--- a/newlib/libc/sys/rtems/crt0.c
> > >+++ b/newlib/libc/sys/rtems/crt0.c
> > >@@ -188,6 +188,11 @@ RTEMS_STUB(_VOID, _free_r(struct _reent *r, _PTR *p), { })
> > >  /* stubs for functions required by libc/stdlib */
> > >  RTEMS_STUB(void, __assert_func(const char *file, int line, const char *failedexpr), { })
> > >  
> > >+#if defined(__arm__)
> > >+RTEMS_STUB(void, __aeabi_read_tp(void), { })
> > >+RTEMS_STUB(void *, __tls_get_addr(const void *ti), { })
> > >+#endif
> > >+
> > >  /* The PowerPC expects certain symbols to be defined in the linker script. */
> > >  
> > >  #if defined(__PPC__)
> > >-- 
> > >1.8.4.5
> Shall I commit this even without the crt0.o problem fixed?

Yes, please.

It problem seems to be GCC related:

https://gcc.gnu.org/ml/gcc/2016-12/msg00010.html

--
Sebastian Huber, embedded brains GmbH

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