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[thirdparty/glibc.git] / sysdeps / powerpc / powerpc32 / power4 / multiarch / memchr.c

diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c b/sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c
index ca0f714385db6c1c4bd9c5dfe4ddc6ac8c76629f..4b8b59c393f77e434e3e593dd02afb7dbba52a2a 100644 (file)
--- a/sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c
@@ -1,5 +1,5 @@
 /* Multiple versions of memchr.
-   Copyright (C) 2013-2014 Free Software Foundation, Inc.
+   Copyright (C) 2013-2019 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
@@ -14,25 +14,28 @@
 
    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/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
-#ifndef NOT_IN_libc
+#if IS_IN (libc)
+# undef memchr
+/* Redefine memchr so that the compiler won't make the weak_alias point
+   to internal hidden definition (__GI_memchr), since PPC32 does not
+   support local IFUNC calls.  */
+# define memchr __redirect_memchr
 # include <string.h>
-# include <shlib-compat.h>
 # include "init-arch.h"
 
-extern __typeof (__memchr) __memchr_ppc attribute_hidden;
-extern __typeof (__memchr) __memchr_power7 attribute_hidden;
+extern __typeof (__redirect_memchr) __memchr_ppc attribute_hidden;
+extern __typeof (__redirect_memchr) __memchr_power7 attribute_hidden;
 
-/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
-   ifunc symbol properly.  */
-libc_ifunc (__memchr,
+extern __typeof (__redirect_memchr) __libc_memchr;
+
+libc_ifunc (__libc_memchr,
            (hwcap & PPC_FEATURE_HAS_VSX)
             ? __memchr_power7
             : __memchr_ppc);
-
-weak_alias (__memchr, memchr)
-libc_hidden_builtin_def (memchr)
+#undef memchr
+weak_alias (__libc_memchr, memchr)
 #else
 #include <string/memchr.c>
 #endif