base/SOURCES/glibc-rh731837-13.patch

From 1a5121cbdc34d9f56bb1bbb3f3ce3a90ddc1ff6b Mon Sep 17 00:00:00 2001
From: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Date: Wed, 30 Jul 2014 05:55:13 -0500
Subject: [PATCH] PowerPC: multiarch strchr for PowerPC64

commit 372dc060e0a25044ba5a797c71fb0ee53921fe47
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Fri Dec 13 14:49:54 2013 -0500
---
 sysdeps/powerpc/powerpc64/multiarch/Makefile       |  2 +-
 .../powerpc/powerpc64/multiarch/ifunc-impl-list.c  |  8 +++++
 sysdeps/powerpc/powerpc64/multiarch/rtld-strchr.S  | 18 ++++++++++
 .../powerpc/powerpc64/multiarch/strchr-power7.S    | 38 ++++++++++++++++++++
 sysdeps/powerpc/powerpc64/multiarch/strchr-ppc64.S | 41 ++++++++++++++++++++++
 sysdeps/powerpc/powerpc64/multiarch/strchr.c       | 35 ++++++++++++++++++
 6 files changed, 141 insertions(+), 1 deletion(-)
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/rtld-strchr.S
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strchr-power7.S
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strchr-ppc64.S
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strchr.c

diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile
index 22baf1c..f7c5853 100644
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile
@@ -8,7 +8,7 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
                   rawmemchr-ppc64 strlen-power7 strlen-ppc64 strnlen-power7 \
                   strnlen-ppc64 strcasecmp-power7 strcasecmp_l-power7 \
                   strncase-power7 strncase_l-power7 strncmp-power7 \
-                  strncmp-power4 strncmp-ppc64
+                  strncmp-power4 strncmp-ppc64 strchr-power7 strchr-ppc64
 
 CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
 CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
index 67f75a5..3b005ea 100644
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
@@ -86,6 +86,14 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
                              __strncmp_power4)
              IFUNC_IMPL_ADD (array, i, strncmp, 1,
                              __strncmp_ppc))
+
+  /* Support sysdeps/powerpc/powerpc64/multiarch/strchr.c.  */
+  IFUNC_IMPL (i, name, strchr,
+             IFUNC_IMPL_ADD (array, i, strchr,
+                             hwcap & PPC_FEATURE_HAS_VSX,
+                             __strchr_power7)
+             IFUNC_IMPL_ADD (array, i, strchr, 1,
+                             __strchr_ppc))
 #endif
 
   /* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c.  */
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-strchr.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-strchr.S
new file mode 100644
index 0000000..5c62657
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-strchr.S
@@ -0,0 +1,18 @@
+/* Copyright (C) 2013-2014 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 <sysdeps/powerpc/powerpc64/strchr.S>
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchr-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchr-power7.S
new file mode 100644
index 0000000..0b2ca42
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchr-power7.S
@@ -0,0 +1,38 @@
+/* Optimized strchr implementation for POWER7.
+   Copyright (C) 2013-2014 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 <sysdep.h>
+
+#undef ENTRY
+#define ENTRY(name)						\
+  .section ".text";						\
+  ENTRY_2(__strchr_power7)					\
+  .align ALIGNARG(2);						\
+  BODY_LABEL(__strchr_power7):					\
+  cfi_startproc;
+
+#undef END
+#define END(name)						\
+  cfi_endproc;							\
+  TRACEBACK(__strchr_power7)					\
+  END_2(__strchr_power7)
+
+#undef libc_hidden_builtin_def
+#define libc_hidden_builtin_def(name)
+
+#include <sysdeps/powerpc/powerpc64/power7/strchr.S>
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchr-ppc64.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchr-ppc64.S
new file mode 100644
index 0000000..ded9284
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchr-ppc64.S
@@ -0,0 +1,41 @@
+/* PowerPC64 default implementation of strchr.
+   Copyright (C) 2013-2014 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 <sysdep.h>
+
+#ifdef SHARED
+# undef ENTRY
+# define ENTRY(name)						\
+  .section ".text";						\
+  ENTRY_2(__strchr_ppc)						\
+  .align ALIGNARG(2);						\
+  BODY_LABEL(__strchr_ppc):					\
+  cfi_startproc;
+
+# undef END
+# define END(name)						\
+  cfi_endproc;							\
+  TRACEBACK(__strchr_ppc)					\
+  END_2(__strchr_ppc)
+
+# undef libc_hidden_builtin_def
+# define libc_hidden_builtin_def(name)				\
+    .globl __GI_strchr; __GI_strchr = __strchr_ppc
+#endif
+
+#include <sysdeps/powerpc/powerpc64/strchr.S>
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchr.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchr.c
new file mode 100644
index 0000000..74a9d54
--- /dev/null
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchr.c
@@ -0,0 +1,35 @@
+/* Multiple versions of strchr.
+   Copyright (C) 2013-2014 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/>.  */
+
+/* Define multiple versions only for definition in libc.  */
+#if defined SHARED && !defined NOT_IN_libc
+# include <string.h>
+# include <shlib-compat.h>
+# include "init-arch.h"
+
+extern __typeof (strchr) __strchr_ppc attribute_hidden;
+extern __typeof (strchr) __strchr_power7 attribute_hidden;
+
+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
+   ifunc symbol properly.  */
+libc_ifunc (strchr,
+	    (hwcap & PPC_FEATURE_HAS_VSX)
+            ? __strchr_power7
+            : __strchr_ppc);
+weak_alias (strchr, index)
+#endif
-- 
1.8.3.1