1 files changed, 31 insertions, 0 deletions
diff --git a/elf/dl-hwcaps.h b/elf/dl-hwcaps.h
new file mode 100644
index 0000000000..9ce33173f1
--- /dev/null
+++ b/elf/dl-hwcaps.h
@@ -0,0 +1,31 @@
+/* Hardware capability support for run-time dynamic loader.
+   Copyright (C) 2017 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>
+
+#ifdef SHARED
+# if HAVE_TUNABLES
+#  define GET_HWCAP_MASK() \
+  TUNABLE_GET (glibc, tune, hwcap_mask, uint64_t, NULL)
+# else
+#  define GET_HWCAP_MASK() GLRO(dl_hwcap_mask)
+# endif
+#else
+/* HWCAP_MASK is ignored in static binaries.  */
+# define GET_HWCAP_MASK() (0)
+#endif