[06/23] ia64: Remove _dl_var_init

  The generic __rtld_static_init code handles GLRO (dl_pagesize)
and GLRO (dl_clktck).
---
 sysdeps/unix/sysv/linux/ia64/Makefile    |  4 --
 sysdeps/unix/sysv/linux/ia64/Versions    |  5 --
 sysdeps/unix/sysv/linux/ia64/dl-static.c | 61 ------------------------
 sysdeps/unix/sysv/linux/ia64/ldsodefs.h  | 32 -------------
 4 files changed, 102 deletions(-)
 delete mode 100644 sysdeps/unix/sysv/linux/ia64/dl-static.c
 delete mode 100644 sysdeps/unix/sysv/linux/ia64/ldsodefs.h
  

On 12/05/2021 13:57, Florian Weimer via Libc-alpha wrote:
> The generic __rtld_static_init code handles GLRO (dl_pagesize)
> and GLRO (dl_clktck).

LGTM.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

> ---
>  sysdeps/unix/sysv/linux/ia64/Makefile    |  4 --
>  sysdeps/unix/sysv/linux/ia64/Versions    |  5 --
>  sysdeps/unix/sysv/linux/ia64/dl-static.c | 61 ------------------------
>  sysdeps/unix/sysv/linux/ia64/ldsodefs.h  | 32 -------------
>  4 files changed, 102 deletions(-)
>  delete mode 100644 sysdeps/unix/sysv/linux/ia64/dl-static.c
>  delete mode 100644 sysdeps/unix/sysv/linux/ia64/ldsodefs.h
> 
> diff --git a/sysdeps/unix/sysv/linux/ia64/Makefile b/sysdeps/unix/sysv/linux/ia64/Makefile
> index f6a08d15d0..da85ba43e2 100644
> --- a/sysdeps/unix/sysv/linux/ia64/Makefile
> +++ b/sysdeps/unix/sysv/linux/ia64/Makefile
> @@ -13,10 +13,6 @@ sysdep_routines += ioperm clone2
>  gen-as-const-headers += sigaltstack-offsets.sym
>  endif
>  
> -ifeq ($(subdir),elf)
> -sysdep-dl-routines += dl-static
> -endif
> -
>  ifeq ($(subdir),rt)
>  librt-routines += rt-sysdep
>  librt-shared-only-routines += rt-sysdep
> diff --git a/sysdeps/unix/sysv/linux/ia64/Versions b/sysdeps/unix/sysv/linux/ia64/Versions
> index 116f4e8503..214e6f9f1a 100644
> --- a/sysdeps/unix/sysv/linux/ia64/Versions
> +++ b/sysdeps/unix/sysv/linux/ia64/Versions
> @@ -1,8 +1,3 @@
> -ld {
> -  GLIBC_PRIVATE {
> -    _dl_var_init;
> -  }
> -}
>  libc {
>    GLIBC_2.2 {
>      ioperm; iopl;
> diff --git a/sysdeps/unix/sysv/linux/ia64/dl-static.c b/sysdeps/unix/sysv/linux/ia64/dl-static.c
> deleted file mode 100644
> index 1cc2563b36..0000000000
> --- a/sysdeps/unix/sysv/linux/ia64/dl-static.c
> +++ /dev/null
> @@ -1,61 +0,0 @@
> -/* Variable initialization.  IA-64 version.
> -   Copyright (C) 2001-2021 Free Software Foundation, Inc.
> -   This file is part of the GNU C Library.
> -
> -   The GNU C Library is free software; you can redistribute it and/or
> -   modify it under the terms of the GNU Lesser General Public
> -   License as published by the Free Software Foundation; either
> -   version 2.1 of the License, or (at your option) any later version.
> -
> -   The GNU C Library is distributed in the hope that it will be useful,
> -   but WITHOUT ANY WARRANTY; without even the implied warranty of
> -   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> -   Lesser General Public License for more details.
> -
> -   You should have received a copy of the GNU Lesser General Public
> -   License along with the GNU C Library; if not, see
> -   <https://www.gnu.org/licenses/>.  */
> -
> -#include <ldsodefs.h>
> -
> -#ifdef SHARED
> -
> -void
> -_dl_var_init (void *array[])
> -{
> -  /* It has to match "variables" below. */
> -  enum
> -    {
> -      DL_PAGESIZE = 0,
> -      DL_CLKTCK
> -    };
> -
> -  GLRO(dl_pagesize) = *((size_t *) array[DL_PAGESIZE]);
> -  GLRO(dl_clktck) = *((int *) array[DL_CLKTCK]);
> -}
> -
> -#else
> -
> -static void *variables[] =
> -{
> -  &GLRO(dl_pagesize),
> -  &GLRO(dl_clktck)
> -};
> -
> -void
> -_dl_static_init (struct link_map *map)
> -{
> -  const ElfW(Sym) *ref = NULL;
> -  lookup_t loadbase;
> -  void (*f) (void *[]);
> -
> -  loadbase = _dl_lookup_symbol_x ("_dl_var_init", map, &ref,
> -				  map->l_local_scope, NULL, 0, 1, NULL);
> -  if (ref != NULL)
> -    {
> -      f = (void (*) (void *[])) DL_SYMBOL_ADDRESS (loadbase, ref);
> -      f (variables);
> -    }
> -}
> -
> -#endif
> diff --git a/sysdeps/unix/sysv/linux/ia64/ldsodefs.h b/sysdeps/unix/sysv/linux/ia64/ldsodefs.h
> deleted file mode 100644
> index c868efe592..0000000000
> --- a/sysdeps/unix/sysv/linux/ia64/ldsodefs.h
> +++ /dev/null
> @@ -1,32 +0,0 @@
> -/* Run-time dynamic linker data structures for loaded ELF shared objects. IA64.
> -   Copyright (C) 2001-2021 Free Software Foundation, Inc.
> -   This file is part of the GNU C Library.
> -
> -   The GNU C Library is free software; you can redistribute it and/or
> -   modify it under the terms of the GNU Lesser General Public
> -   License as published by the Free Software Foundation; either
> -   version 2.1 of the License, or (at your option) any later version.
> -
> -   The GNU C Library is distributed in the hope that it will be useful,
> -   but WITHOUT ANY WARRANTY; without even the implied warranty of
> -   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> -   Lesser General Public License for more details.
> -
> -   You should have received a copy of the GNU Lesser General Public
> -   License along with the GNU C Library; if not, see
> -   <https://www.gnu.org/licenses/>.  */
> -
> -#ifndef	_LDSODEFS_H
> -
> -/* Get the real definitions.  */
> -#include_next <ldsodefs.h>
> -
> -/* Now define our stuff.  */
> -
> -/* We need special support to initialize DSO loaded for statically linked
> -   binaries.  */
> -extern void _dl_static_init (struct link_map *map);
> -#undef DL_STATIC_INIT
> -#define DL_STATIC_INIT(map) _dl_static_init (map)
> -
> -#endif /* ldsodefs.h */
>