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-rw-r--r--sysdeps/s390/memmove-c.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/s390/memmove-c.c b/sysdeps/s390/memmove-c.c
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+/* Fallback C version of memmove.
+   Copyright (C) 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 <ifunc-memcpy.h>
+
+#if HAVE_MEMMOVE_C
+# if HAVE_MEMMOVE_IFUNC
+/* If we use ifunc, then the memmove symbol is defined
+   in sysdeps/s390/memmove.c and we use a different name here.
+   Otherwise, we have to define memmove here or in
+   sysdeps/s390/memcpy.S depending on the used default implementation.  */
+#  define MEMMOVE MEMMOVE_C
+#  if defined SHARED && IS_IN (libc)
+/* Define the internal symbol.  */
+#   undef libc_hidden_builtin_def
+#   define libc_hidden_builtin_def(name)			\
+  __hidden_ver1 (__memmove_c, __GI_memmove, __memmove_c);
+#  endif
+# endif
+
+# include <string/memmove.c>
+#endif