Re: Newlib Digest, Vol 27, Issue 23

All dubious actions - freeze, 24/7 under the attacks of scammers, perhaps
there is a substitution of identity.legitimate device is only this and then
they are trying to perform remote control, apple, Mac, there is no more
trust.

пн, 16 мая 2022 г., 09:58 <[email protected]>:

> Send Newlib mailing list submissions to
>         [email protected]
>
> To subscribe or unsubscribe via the World Wide Web, visit
>         https://sourceware.org/mailman/listinfo/newlib
> or, via email, send a message with subject or body 'help' to
>         [email protected]
>
> You can reach the person managing the list at
>         [email protected]
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Newlib digest..."
> Today's Topics:
>
>    1. Re: [PATCH 2/7] Cygwin: Enable backward binary compatibility
>       (Sebastian Huber)
>    2. [PATCH 2/6] Optional struct _reent::__unused_sdidinit
>       (Sebastian Huber)
>    3. [PATCH 5/6] Optional struct
>       _reent::_new::_reent::_unused_rand (Sebastian Huber)
>    4. [PATCH 3/6] Optional struct _reent::_unspecified_locale_info
>       (Sebastian Huber)
>    5. [PATCH 4/6] Optional struct _reent::_new::_unused
>       (Sebastian Huber)
>    6. [PATCH 0/6] Add --enable-newlib-reent-binary-compat configure
>       option (Sebastian Huber)
>
>
>
> ---------- Forwarded message ----------
> From: Sebastian Huber <[email protected]>
> To: [email protected]
> Cc:
> Bcc:
> Date: Mon, 16 May 2022 07:31:38 +0200
> Subject: Re: [PATCH 2/7] Cygwin: Enable backward binary compatibility
> On 13/05/2022 22:15, Corinna Vinschen wrote:
> > On May 13 15:46, Sebastian Huber wrote:
> >> ---
> >>   winsup/cygwin/include/cygwin/config.h | 1 +
> >>   1 file changed, 1 insertion(+)
> >>
> >> diff --git a/winsup/cygwin/include/cygwin/config.h
> b/winsup/cygwin/include/cygwin/config.h
> >> index 71a216fbd..2d410a2e7 100644
> >> --- a/winsup/cygwin/include/cygwin/config.h
> >> +++ b/winsup/cygwin/include/cygwin/config.h
> >> @@ -80,6 +80,7 @@ extern inline struct _reent *__getreent (void)
> >>   #define __TM_GMTOFF tm_gmtoff
> >>   #define __TM_ZONE   tm_zone
> >>   #define _USE_LONG_TIME_T 1
> >> +#define _NEWLIB_BACKWARD_BINARY_COMPAT 1
> > Why?
> >
> > AFAICS we don't expose _REENT to user space.  In theory (knocking
> > on wood here), we shouldn't need _REENT binary compat.
>
> Ok good, I always thought the unused members in struct _reent were
> mainly for Cygwin.
>
> Maybe the option should be named --enable-newlib-reent-binary-compat and
> restricted to struct _reent.
>
> --
> embedded brains GmbH
> Herr Sebastian HUBER
> Dornierstr. 4
> 82178 Puchheim
> Germany
> email: [email protected]
> phone: +49-89-18 94 741 - 16
> fax:   +49-89-18 94 741 - 08
>
> Registergericht: Amtsgericht München
> Registernummer: HRB 157899
> Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, Thomas Dörfler
> Unsere Datenschutzerklärung finden Sie hier:
> https://embedded-brains.de/datenschutzerklaerung/
>
>
>
>
> ---------- Forwarded message ----------
> From: Sebastian Huber <[email protected]>
> To: [email protected]
> Cc:
> Bcc:
> Date: Mon, 16 May 2022 08:55:53 +0200
> Subject: [PATCH 2/6] Optional struct _reent::__unused_sdidinit
> Provide struct _reent::__unused_sdidinit only if
> _REENT_BACKWARD_BINARY_COMPAT
> is defined.
> ---
>  newlib/libc/include/sys/reent.h | 16 +++++++++++++---
>  1 file changed, 13 insertions(+), 3 deletions(-)
>
> diff --git a/newlib/libc/include/sys/reent.h
> b/newlib/libc/include/sys/reent.h
> index fa9ac57da..e2fd0b422 100644
> --- a/newlib/libc/include/sys/reent.h
> +++ b/newlib/libc/include/sys/reent.h
> @@ -342,6 +342,12 @@ struct _rand48 {
>  #define _REENT_ASCTIME_SIZE 26
>  #define _REENT_SIGNAL_SIZE 24
>
> +#ifdef _REENT_BACKWARD_BINARY_COMPAT
> +#define _REENT_INIT_UNUSED_SDIDINIT 0,
> +#else
> +#define _REENT_INIT_UNUSED_SDIDINIT /* Nothing to initialize */
> +#endif
> +
>  /*
>   * struct _reent
>   *
> @@ -395,9 +401,11 @@ struct _reent
>
>    char *_emergency;
>
> +#ifdef _REENT_BACKWARD_BINARY_COMPAT
>    /* No longer used, but member retained for binary compatibility.
>       Now, the __cleanup member is used to check initialization. */
>    int _unused_sdidinit;
> +#endif
>
>    int _unspecified_locale_info;        /* unused, reserved for locale
> stuff */
>    struct __locale_t *_locale;/* per-thread locale */
> @@ -440,7 +448,7 @@ struct _reent
>      &__sf[2], \
>      0,   \
>      _NULL, \
> -    0, \
> +    _REENT_INIT_UNUSED_SDIDINIT \
>      0, \
>      _NULL, \
>      _NULL, \
> @@ -478,7 +486,7 @@ extern const struct __sFILE_fake __sf_fake_stderr;
>      (__FILE *)&__sf_fake_stderr, \
>      0, \
>      _NULL, \
> -    0, \
> +    _REENT_INIT_UNUSED_SDIDINIT \
>      0, \
>      _NULL, \
>      _NULL, \
> @@ -633,9 +641,11 @@ struct _reent
>    int _unspecified_locale_info;        /* unused, reserved for locale
> stuff */
>    struct __locale_t *_locale;/* per-thread locale */
>
> +#ifdef _REENT_BACKWARD_BINARY_COMPAT
>    /* No longer used, but member retained for binary compatibility.
>       Now, the __cleanup member is used to check initialization. */
>    int _unused_sdidinit;
> +#endif
>
>    void (*__cleanup) (struct _reent *);
>
> @@ -723,7 +733,7 @@ struct _reent
>      "", \
>      0, \
>      _NULL, \
> -    0, \
> +    _REENT_INIT_UNUSED_SDIDINIT \
>      _NULL, \
>      _NULL, \
>      0, \
> --
> 2.35.3
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Sebastian Huber <[email protected]>
> To: [email protected]
> Cc:
> Bcc:
> Date: Mon, 16 May 2022 08:55:56 +0200
> Subject: [PATCH 5/6] Optional struct _reent::_new::_reent::_unused_rand
> Provide struct _reent::_new::_reent::_unused_rand only if
> _REENT_BACKWARD_BINARY_COMPAT is defined.
> ---
>  newlib/libc/include/sys/reent.h | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/newlib/libc/include/sys/reent.h
> b/newlib/libc/include/sys/reent.h
> index 1884ed982..4683ecc2f 100644
> --- a/newlib/libc/include/sys/reent.h
> +++ b/newlib/libc/include/sys/reent.h
> @@ -344,9 +344,11 @@ struct _rand48 {
>
>  #ifdef _REENT_BACKWARD_BINARY_COMPAT
>  #define _REENT_INIT_UNUSED_LOCALE_INFO 0,
> +#define _REENT_INIT_UNUSED_RAND 0,
>  #define _REENT_INIT_UNUSED_SDIDINIT 0,
>  #else
>  #define _REENT_INIT_UNUSED_LOCALE_INFO /* Nothing to initialize */
> +#define _REENT_INIT_UNUSED_RAND /* Nothing to initialize */
>  #define _REENT_INIT_UNUSED_SDIDINIT /* Nothing to initialize */
>  #endif
>
> @@ -667,7 +669,9 @@ struct _reent
>      {
>        struct
>          {
> +#ifdef _REENT_BACKWARD_BINARY_COMPAT
>            unsigned int _unused_rand;
> +#endif
>            char * _strtok_last;
>            char _asctime_buf[_REENT_ASCTIME_SIZE];
>            struct __tm _localtime_buf;
> @@ -749,7 +753,7 @@ struct _reent
>      _NULL, \
>      { \
>        { \
> -        0, \
> +        _REENT_INIT_UNUSED_RAND \
>          _NULL, \
>          "", \
>          {0, 0, 0, 0, 0, 0, 0, 0, 0}, \
> --
> 2.35.3
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Sebastian Huber <[email protected]>
> To: [email protected]
> Cc:
> Bcc:
> Date: Mon, 16 May 2022 08:55:54 +0200
> Subject: [PATCH 3/6] Optional struct _reent::_unspecified_locale_info
> Provide struct _reent::_unspecified_locale_info only if
> _REENT_BACKWARD_BINARY_COMPAT is defined.
> ---
>  newlib/libc/include/sys/reent.h | 12 ++++++++----
>  1 file changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/newlib/libc/include/sys/reent.h
> b/newlib/libc/include/sys/reent.h
> index e2fd0b422..5f557111e 100644
> --- a/newlib/libc/include/sys/reent.h
> +++ b/newlib/libc/include/sys/reent.h
> @@ -343,8 +343,10 @@ struct _rand48 {
>  #define _REENT_SIGNAL_SIZE 24
>
>  #ifdef _REENT_BACKWARD_BINARY_COMPAT
> +#define _REENT_INIT_UNUSED_LOCALE_INFO 0,
>  #define _REENT_INIT_UNUSED_SDIDINIT 0,
>  #else
> +#define _REENT_INIT_UNUSED_LOCALE_INFO /* Nothing to initialize */
>  #define _REENT_INIT_UNUSED_SDIDINIT /* Nothing to initialize */
>  #endif
>
> @@ -405,9 +407,9 @@ struct _reent
>    /* No longer used, but member retained for binary compatibility.
>       Now, the __cleanup member is used to check initialization. */
>    int _unused_sdidinit;
> -#endif
>
>    int _unspecified_locale_info;        /* unused, reserved for locale
> stuff */
> +#endif
>    struct __locale_t *_locale;/* per-thread locale */
>
>    struct _mprec *_mp;
> @@ -449,7 +451,7 @@ struct _reent
>      0,   \
>      _NULL, \
>      _REENT_INIT_UNUSED_SDIDINIT \
> -    0, \
> +    _REENT_INIT_UNUSED_LOCALE_INFO \
>      _NULL, \
>      _NULL, \
>      _NULL, \
> @@ -487,7 +489,7 @@ extern const struct __sFILE_fake __sf_fake_stderr;
>      0, \
>      _NULL, \
>      _REENT_INIT_UNUSED_SDIDINIT \
> -    0, \
> +    _REENT_INIT_UNUSED_LOCALE_INFO \
>      _NULL, \
>      _NULL, \
>      _NULL, \
> @@ -638,7 +640,9 @@ struct _reent
>    char _emergency[_REENT_EMERGENCY_SIZE];
>
>    /* TODO */
> +#ifdef _REENT_BACKWARD_BINARY_COMPAT
>    int _unspecified_locale_info;        /* unused, reserved for locale
> stuff */
> +#endif
>    struct __locale_t *_locale;/* per-thread locale */
>
>  #ifdef _REENT_BACKWARD_BINARY_COMPAT
> @@ -731,7 +735,7 @@ struct _reent
>      _REENT_STDIO_STREAM(&(var), 2), \
>      0, \
>      "", \
> -    0, \
> +    _REENT_INIT_UNUSED_LOCALE_INFO \
>      _NULL, \
>      _REENT_INIT_UNUSED_SDIDINIT \
>      _NULL, \
> --
> 2.35.3
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Sebastian Huber <[email protected]>
> To: [email protected]
> Cc:
> Bcc:
> Date: Mon, 16 May 2022 08:55:55 +0200
> Subject: [PATCH 4/6] Optional struct _reent::_new::_unused
> Provide struct _reent::_new::_unused only if _REENT_BACKWARD_BINARY_COMPAT
> is
> defined.
> ---
>  newlib/libc/include/sys/reent.h | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/newlib/libc/include/sys/reent.h
> b/newlib/libc/include/sys/reent.h
> index 5f557111e..1884ed982 100644
> --- a/newlib/libc/include/sys/reent.h
> +++ b/newlib/libc/include/sys/reent.h
> @@ -687,6 +687,7 @@ struct _reent
>            _mbstate_t _wcsrtombs_state;
>           int _h_errno;
>          } _reent;
> +#ifdef _REENT_BACKWARD_BINARY_COMPAT
>    /* Two next two fields were once used by malloc.  They are no longer
>       used. They are used to preserve the space used before so as to
>       allow addition of new reent fields and keep binary compatibility.
>  */
> @@ -696,6 +697,7 @@ struct _reent
>            unsigned char * _nextf[_N_LISTS];
>            unsigned int _nmalloc[_N_LISTS];
>          } _unused;
> +#endif
>      } _new;
>
>  # ifndef _REENT_GLOBAL_ATEXIT
> --
> 2.35.3
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Sebastian Huber <[email protected]>
> To: [email protected]
> Cc:
> Bcc:
> Date: Mon, 16 May 2022 08:55:51 +0200
> Subject: [PATCH 0/6] Add --enable-newlib-reent-binary-compat configure
> option
> This patch set adds the --enable-newlib-reent-binary-compat configure
> option
> which may be used to define the new Newlib configuration option
> _REENT_BACKWARD_BINARY_COMPAT.  This option is used to provide binary
> backward
> compatibility for struct _reent by preserving unused members in struct
> _reent
> to keep the structure layout.  Make _REENT_GLOBAL_ATEXIT the default and
> remove
> this option.
>
> v2:
>
> * Rename --enable-newlib-backward-binary-compat in
> --enable-newlib-reent-binary-compat.
>
> * Do not enable option for Cygwin.
>
> * Adjust code in libgloss.
>
> Sebastian Huber (6):
>   Add --enable-newlib-reent-binary-compat
>   Optional struct _reent::__unused_sdidinit
>   Optional struct _reent::_unspecified_locale_info
>   Optional struct _reent::_new::_unused
>   Optional struct _reent::_new::_reent::_unused_rand
>   Use global atexit data for all configurations
>
>  libgloss/arc/crt0.S                 | 11 +++--
>  libgloss/epiphany/crt0.S            | 26 +++++-----
>  libgloss/sparc_leon/locore_atexit.c |  4 +-
>  newlib/README                       | 12 ++---
>  newlib/configure                    | 30 ++++++++----
>  newlib/configure.ac                 | 25 +++++++---
>  newlib/libc/include/sys/config.h    |  7 ++-
>  newlib/libc/include/sys/reent.h     | 74 +++++++++++++++++------------
>  newlib/libc/reent/reent.c           | 19 --------
>  newlib/libc/stdlib/__atexit.c       | 15 ++----
>  newlib/libc/stdlib/__call_atexit.c  |  8 ++--
>  newlib/newlib.hin                   |  6 +--
>  12 files changed, 125 insertions(+), 112 deletions(-)
>
> --
> 2.35.3
>
>
>