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From: Corinna Vinschen <vinschen@redhat.com>
To: newlib@sourceware.org
Subject: Re: [PATCH] Use weak reference for _REENT_SMALL
Date: Thu, 19 May 2022 14:05:06 +0200	[thread overview]
Message-ID: <YoYycjYZZ889W6V4@calimero.vinschen.de> (raw)
In-Reply-To: <20220518171307.53663-3-sebastian.huber@embedded-brains.de>

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


  reply	other threads:[~2022-05-19 12:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-18 17:13 [PATCH] Fix __fp_lock_all() and __fp_unlock_all() Sebastian Huber
2022-05-18 17:13 ` [PATCH] Fix __sFILE::_lock initialization Sebastian Huber
2022-05-19 12:04   ` Corinna Vinschen
2022-05-18 17:13 ` [PATCH] Use weak reference for _REENT_SMALL Sebastian Huber
2022-05-19 12:05   ` Corinna Vinschen [this message]
2022-05-19 12:02 ` [PATCH] Fix __fp_lock_all() and __fp_unlock_all() Corinna Vinschen
2022-05-19 17:08   ` Sebastian Huber

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