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18363b4f01
GCC 10.0 enabled -fno-common by default and this started to point that __cache_line_size had been implemented in 2 different places: loader and libc. In order to avoid this duplication, the libc variable has been removed and the loader variable is moved to rtld_global_ro. File sysdeps/unix/sysv/linux/powerpc/dl-auxv.h has been added in order to reuse code for both static and dynamic linking scenarios. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
31 lines
1.2 KiB
C
31 lines
1.2 KiB
C
/* Auxiliary vector processing. Linux/PPC version.
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Copyright (C) 2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <ldsodefs.h>
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#if IS_IN (libc) && !defined SHARED
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int GLRO(dl_cache_line_size);
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#endif
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/* Scan the Aux Vector for the "Data Cache Block Size" entry and assign it
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to dl_cache_line_size. */
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#define DL_PLATFORM_AUXV \
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case AT_DCACHEBSIZE: \
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GLRO(dl_cache_line_size) = av->a_un.a_val; \
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break;
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