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-rw-r--r--REORG.TODO/sysdeps/arm/armv7/multiarch/ifunc-impl-list.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/arm/armv7/multiarch/ifunc-impl-list.c b/REORG.TODO/sysdeps/arm/armv7/multiarch/ifunc-impl-list.c
new file mode 100644
index 0000000000..b8094fd393
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+++ b/REORG.TODO/sysdeps/arm/armv7/multiarch/ifunc-impl-list.c
@@ -0,0 +1,56 @@
+/* Enumerate available IFUNC implementations of a function.  ARM version.
+   Copyright (C) 2013-2017 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 <stdbool.h>
+#include <string.h>
+#include <ldsodefs.h>
+#include <sysdep.h>
+#include <ifunc-impl-list.h>
+
+/* Fill ARRAY of MAX elements with IFUNC implementations for function
+   NAME and return the number of valid entries.  */
+
+size_t
+__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
+			size_t max)
+{
+  size_t i = 0;
+
+  bool use_neon = true;
+#ifdef __ARM_NEON__
+# define __memcpy_neon	memcpy
+#else
+  use_neon = (GLRO(dl_hwcap) & HWCAP_ARM_NEON) != 0;
+#endif
+
+#ifndef __ARM_NEON__
+  bool use_vfp = true;
+# ifdef __SOFTFP__
+  use_vfp = (GLRO(dl_hwcap) & HWCAP_ARM_VFP) != 0;
+# endif
+#endif
+
+  IFUNC_IMPL (i, name, memcpy,
+	      IFUNC_IMPL_ADD (array, i, memcpy, use_neon, __memcpy_neon)
+#ifndef __ARM_NEON__
+	      IFUNC_IMPL_ADD (array, i, memcpy, use_vfp, __memcpy_vfp)
+#endif
+	      IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_arm));
+
+  return i;
+}