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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 19:23:01 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 19:23:01 +0000 |
commit | 519f6620457d9f84d0125c0c7d01abebaae8efaa (patch) | |
tree | 28e2b20214b72aa7a633a5910dba7d2388620a78 /elf/dl-hwcaps.h | |
parent | 74f331b3ccf81cf9404be03e62bde9efcc0878c2 (diff) | |
parent | 68e2fa8ed9dbf0edfdaed0310801e764c12af46e (diff) |
Merge commit 'refs/top-bases/t/libc_cleanup' into t/libc_cleanup
Diffstat (limited to 'elf/dl-hwcaps.h')
-rw-r--r-- | elf/dl-hwcaps.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/elf/dl-hwcaps.h b/elf/dl-hwcaps.h new file mode 100644 index 0000000000..17f0da4c73 --- /dev/null +++ b/elf/dl-hwcaps.h @@ -0,0 +1,30 @@ +/* Hardware capability support for run-time dynamic loader. + Copyright (C) 2017-2018 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 + <http://www.gnu.org/licenses/>. */ + +#include <elf/dl-tunables.h> + +#if HAVE_TUNABLES +# define GET_HWCAP_MASK() TUNABLE_GET (glibc, tune, hwcap_mask, uint64_t, NULL) +#else +# ifdef SHARED +# define GET_HWCAP_MASK() GLRO(dl_hwcap_mask) +# else +/* HWCAP_MASK is ignored in static binaries when built without tunables. */ +# define GET_HWCAP_MASK() (0) +# endif +#endif |