PowerPC: rawmemchr ifunc for PPC32

diff --git a/string/rawmemchr.c b/string/rawmemchr.c
index 30fbe87614831931aeaa46846b93e36b49478462..6f56a1e13368f04da3c6e35bced113e1ccf78385 100644 (file)
--- a/string/rawmemchr.c
+++ b/string/rawmemchr.c
@@ -46,7 +46,9 @@
 #include <sys/types.h>
 
 #undef memchr
-
+#ifdef RAWMEMCHR
+# define __rawmemchr RAWMEMCHR
+#endif
 
 /* Find the first occurrence of C in S.  */
 __ptr_t
@@ -178,5 +180,7 @@ __rawmemchr (s, c_in)
        }
     }
 }
-libc_hidden_def (__rawmemchr)
+#ifndef RAWMEMCHR
 weak_alias (__rawmemchr, rawmemchr)
+#endif
+libc_hidden_def (__rawmemchr)

diff --git a/sysdeps/powerpc/powerpc32/multiarch/Makefile b/sysdeps/powerpc/powerpc32/multiarch/Makefile
index 7e091aef0dc8940db0109c50c2b7bc6c0750005e..05f30428ed241c06e917d064bcaf6684dc180666 100644 (file)
--- a/sysdeps/powerpc/powerpc32/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc32/multiarch/Makefile
@@ -7,5 +7,6 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
                   strnlen-power7 strnlen-c \
                   mempcpy-power7 mempcpy-c \
                   memchr-power7 memchr-c \
-                  memrchr-power7 memrchr-c
+                  memrchr-power7 memrchr-c \
+                  rawmemchr-power7 rawmemchr-c
 endif

diff --git a/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c
index 345855fd5ccbc8b2a64be00887f3c404a29c895b..00f309f309df4f437573cf9b78f46a85d3c969ac 100644 (file)
--- a/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c
@@ -103,6 +103,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
              IFUNC_IMPL_ADD (array, i, memrchr, 1,
                              __memrchr_ppc32))
 
+  IFUNC_IMPL (i, name, rawmemchr,
+             IFUNC_IMPL_ADD (array, i, rawmemchr,
+                             hwcap & PPC_FEATURE_HAS_VSX,
+                             __rawmemchr_power7)
+             IFUNC_IMPL_ADD (array, i, rawmemchr, 1,
+                             __rawmemchr_ppc32))
+
   IFUNC_IMPL (i, name, strlen,
              IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX,
                                __strlen_power7)

diff --git a/sysdeps/powerpc/powerpc32/multiarch/rawmemchr-c.c b/sysdeps/powerpc/powerpc32/multiarch/rawmemchr-c.c
new file mode 100644 (file)
index 0000000..cdf2436
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/multiarch/rawmemchr-c.c
@@ -0,0 +1,8 @@
+#define RAWMEMCHR  __rawmemchr_ppc32
+#ifdef SHARED
+# undef libc_hidden_def
+# define libc_hidden_def(name)  \
+  __hidden_ver1 (__rawmemchr_ppc32, __GI___rawmemchr, __rawmemchr_ppc32);
+#endif
+
+#include "string/rawmemchr.c"

diff --git a/sysdeps/powerpc/powerpc32/power7/rawmemchr.S b/sysdeps/powerpc/powerpc32/multiarch/rawmemchr-power7.S
similarity index 96%
rename from sysdeps/powerpc/powerpc32/power7/rawmemchr.S
rename to sysdeps/powerpc/powerpc32/multiarch/rawmemchr-power7.S
index a80c74a09236929e56a23af65c295ab2d25f006d..b495393d4a4120055723c01b8637fa9b3fec09b3 100644 (file)
--- a/sysdeps/powerpc/powerpc32/power7/rawmemchr.S
+++ b/sysdeps/powerpc/powerpc32/multiarch/rawmemchr-power7.S
@@ -21,7 +21,7 @@
 
 /* int [r3] rawmemchr (void *s [r3], int c [r4])  */
        .machine  power7
-ENTRY (__rawmemchr)
+ENTRY (__rawmemchr_power7)
        CALL_MCOUNT
        dcbt    0,r3
        clrrwi  r8,r3,2       /* Align the address to word boundary.  */
@@ -94,6 +94,4 @@ L(done):
        srwi    r0,r0,3       /* Convert leading zeroes to bytes.  */
        add     r3,r8,r0      /* Return address of the matching char.  */
        blr
-END (__rawmemchr)
-weak_alias (__rawmemchr,rawmemchr)
-libc_hidden_builtin_def (__rawmemchr)
+END (__rawmemchr_power7)

diff --git a/sysdeps/powerpc/powerpc32/multiarch/rawmemchr.c b/sysdeps/powerpc/powerpc32/multiarch/rawmemchr.c
new file mode 100644 (file)
index 0000000..e751440
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/multiarch/rawmemchr.c
@@ -0,0 +1,37 @@
+/* Multiple versions of rawmemchr.
+   Copyright (C) 2013 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/>.  */
+
+#ifndef NOT_IN_libc
+# include <string.h>
+# include <shlib-compat.h>
+# include "init-arch.h"
+
+extern __typeof (__rawmemchr) __rawmemchr_ppc32 attribute_hidden;
+extern __typeof (__rawmemchr) __rawmemchr_power7 attribute_hidden;
+
+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
+   ifunc symbol properly.  */
+libc_ifunc (__rawmemchr,
+           (hwcap & PPC_FEATURE_HAS_VSX)
+            ? __rawmemchr_power7
+            : __rawmemchr_ppc32);
+
+weak_alias (__rawmemchr, rawmemchr)
+#else
+#include "string/rawmemchr.c"
+#endif