[PATCH] Use weak reference for _REENT_SMALL

[Corinna Vinschen]

On May 18 19:13, Sebastian Huber wrote:
> Avoid a strong reference to __sfp[] for _impure_data.  The __sfp[] is linked in
> if __sinit() is used for example.
> ---
>  newlib/libc/reent/impure.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/newlib/libc/reent/impure.c b/newlib/libc/reent/impure.c
> index f10665fd0..643a511c6 100644
> --- a/newlib/libc/reent/impure.c
> +++ b/newlib/libc/reent/impure.c
> @@ -6,10 +6,14 @@
>     important to reduce image size for targets with very small amounts
>     of memory.  */
>  #ifdef _REENT_SMALL
> +#ifdef _REENT_GLOBAL_STDIO_STREAMS
> +extern __FILE __sf[3] _ATTRIBUTE ((weak));
> +#else
>  extern const struct __sFILE_fake __sf_fake_stdin _ATTRIBUTE ((weak));
>  extern const struct __sFILE_fake __sf_fake_stdout _ATTRIBUTE ((weak));
>  extern const struct __sFILE_fake __sf_fake_stderr _ATTRIBUTE ((weak));
>  #endif
> +#endif
>  
>  struct _reent __ATTRIBUTE_IMPURE_DATA__ _impure_data = _REENT_INIT (_impure_data);
>  #ifdef __CYGWIN__
> -- 
> 2.35.3

Ok.


Thx,
Corinna