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225 lines
9.5 KiB
225 lines
9.5 KiB
From 942cdf02caef0ea4fe257cf5898754b9b1897c4a Mon Sep 17 00:00:00 2001 |
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From: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> |
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Date: Wed, 30 Jul 2014 05:58:14 -0500 |
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Subject: [PATCH] PowerPC: multiarch strchrnul for PowerPC64 |
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commit 9ee2969b057862443b81789b56a61514edf34779 |
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Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com> |
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Date: Fri Dec 13 14:50:26 2013 -0500 |
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Added sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul-ppc32.c and |
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string/strchrnul.c apart from original commit. |
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--- |
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string/strchrnul.c | 6 +++- |
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.../powerpc32/power4/multiarch/strchrnul-ppc32.c | 28 ++++++++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/Makefile | 3 +- |
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.../powerpc/powerpc64/multiarch/ifunc-impl-list.c | 8 +++++ |
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.../powerpc/powerpc64/multiarch/strchrnul-power7.S | 38 ++++++++++++++++++++++ |
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.../powerpc/powerpc64/multiarch/strchrnul-ppc64.c | 19 +++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/strchrnul.c | 37 +++++++++++++++++++++ |
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7 files changed, 137 insertions(+), 2 deletions(-) |
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create mode 100644 sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul-ppc32.c |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strchrnul-power7.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strchrnul-ppc64.c |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strchrnul.c |
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diff --git glibc-2.17-c758a686/string/strchrnul.c glibc-2.17-c758a686/string/strchrnul.c |
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index 0db5e23..39540a3 100644 |
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--- glibc-2.17-c758a686/string/strchrnul.c |
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+++ glibc-2.17-c758a686/string/strchrnul.c |
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@@ -27,9 +27,13 @@ |
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#undef __strchrnul |
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#undef strchrnul |
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+#ifndef STRCHRNUL |
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+# define STRCHRNUL __strchrnul |
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+#endif |
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+ |
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/* Find the first occurrence of C in S or the final NUL byte. */ |
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char * |
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-__strchrnul (s, c_in) |
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+STRCHRNUL (s, c_in) |
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const char *s; |
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int c_in; |
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{ |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul-ppc32.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul-ppc32.c |
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new file mode 100644 |
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index 0000000..950643a |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul-ppc32.c |
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@@ -0,0 +1,28 @@ |
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+/* PowerPC32 default implementation of strchrnul. |
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+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
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+ This file is part of the GNU C Library. |
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+ |
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+ The GNU C Library is free software; you can redistribute it and/or |
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+ modify it under the terms of the GNU Lesser General Public |
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+ License as published by the Free Software Foundation; either |
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+ version 2.1 of the License, or (at your option) any later version. |
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+ |
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+ The GNU C Library is distributed in the hope that it will be useful, |
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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+ Lesser General Public License for more details. |
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+ |
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+ You should have received a copy of the GNU Lesser General Public |
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+ License along with the GNU C Library; if not, see |
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+ <http://www.gnu.org/licenses/>. */ |
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+ |
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+#include <string.h> |
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+ |
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+#define STRCHRNUL __strchrnul_ppc |
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+ |
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+#undef weak_alias |
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+#define weak_alias(a,b ) |
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+ |
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+extern __typeof (strchrnul) __strchrnul_ppc attribute_hidden; |
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+ |
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+#include <string/strchrnul.c> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
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index f7c5853..15b86bd 100644 |
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--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
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@@ -8,7 +8,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ |
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rawmemchr-ppc64 strlen-power7 strlen-ppc64 strnlen-power7 \ |
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strnlen-ppc64 strcasecmp-power7 strcasecmp_l-power7 \ |
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strncase-power7 strncase_l-power7 strncmp-power7 \ |
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- strncmp-power4 strncmp-ppc64 strchr-power7 strchr-ppc64 |
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+ strncmp-power4 strncmp-ppc64 strchr-power7 strchr-ppc64 \ |
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+ strchrnul-power7 strchrnul-ppc64 |
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CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops |
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CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops |
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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 |
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index 3b005ea..9e3b89d 100644 |
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--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c |
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@@ -94,6 +94,14 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, |
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__strchr_power7) |
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IFUNC_IMPL_ADD (array, i, strchr, 1, |
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__strchr_ppc)) |
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+ |
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+ /* Support sysdeps/powerpc/powerpc64/multiarch/strchrnul.c. */ |
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+ IFUNC_IMPL (i, name, strchrnul, |
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+ IFUNC_IMPL_ADD (array, i, strchrnul, |
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+ hwcap & PPC_FEATURE_HAS_VSX, |
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+ __strchrnul_power7) |
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+ IFUNC_IMPL_ADD (array, i, strchrnul, 1, |
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+ __strchrnul_ppc)) |
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#endif |
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/* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */ |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchrnul-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchrnul-power7.S |
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new file mode 100644 |
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index 0000000..87d7c03 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchrnul-power7.S |
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@@ -0,0 +1,38 @@ |
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+/* Optimized strchrnul implementation for POWER7. |
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+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
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+ This file is part of the GNU C Library. |
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+ |
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+ The GNU C Library is free software; you can redistribute it and/or |
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+ modify it under the terms of the GNU Lesser General Public |
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+ License as published by the Free Software Foundation; either |
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+ version 2.1 of the License, or (at your option) any later version. |
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+ |
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+ The GNU C Library is distributed in the hope that it will be useful, |
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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+ Lesser General Public License for more details. |
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+ |
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+ You should have received a copy of the GNU Lesser General Public |
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+ License along with the GNU C Library; if not, see |
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+ <http://www.gnu.org/licenses/>. */ |
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+ |
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+#include <sysdep.h> |
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+ |
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+#undef ENTRY |
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+#define ENTRY(name) \ |
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+ .section ".text"; \ |
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+ ENTRY_2(__strchrnul_power7) \ |
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+ .align ALIGNARG(2); \ |
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+ BODY_LABEL(__strchrnul_power7): \ |
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+ cfi_startproc; |
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+ |
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+#undef END |
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+#define END(name) \ |
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+ cfi_endproc; \ |
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+ TRACEBACK(__strchrnul_power7) \ |
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+ END_2(__strchrnul_power7) |
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+ |
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+#undef libc_hidden_builtin_def |
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+#define libc_hidden_builtin_def(name) |
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+ |
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+#include <sysdeps/powerpc/powerpc64/power7/strchrnul.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchrnul-ppc64.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchrnul-ppc64.c |
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new file mode 100644 |
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index 0000000..a76b335 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchrnul-ppc64.c |
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@@ -0,0 +1,19 @@ |
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+/* PowerPC64 default implementation of strchrnul. |
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+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
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+ This file is part of the GNU C Library. |
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+ |
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+ The GNU C Library is free software; you can redistribute it and/or |
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+ modify it under the terms of the GNU Lesser General Public |
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+ License as published by the Free Software Foundation; either |
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+ version 2.1 of the License, or (at your option) any later version. |
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+ |
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+ The GNU C Library is distributed in the hope that it will be useful, |
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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+ Lesser General Public License for more details. |
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+ |
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+ You should have received a copy of the GNU Lesser General Public |
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+ License along with the GNU C Library; if not, see |
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+ <http://www.gnu.org/licenses/>. */ |
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+ |
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+#include <sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul-ppc32.c> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c |
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new file mode 100644 |
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index 0000000..dab1cbf |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c |
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@@ -0,0 +1,37 @@ |
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+/* Multiple versions of strchrnul. |
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+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
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+ This file is part of the GNU C Library. |
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+ |
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+ The GNU C Library is free software; you can redistribute it and/or |
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+ modify it under the terms of the GNU Lesser General Public |
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+ License as published by the Free Software Foundation; either |
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+ version 2.1 of the License, or (at your option) any later version. |
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+ |
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+ The GNU C Library is distributed in the hope that it will be useful, |
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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+ Lesser General Public License for more details. |
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+ |
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+ You should have received a copy of the GNU Lesser General Public |
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+ License along with the GNU C Library; if not, see |
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+ <http://www.gnu.org/licenses/>. */ |
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+ |
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+#ifndef NOT_IN_libc |
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+# include <string.h> |
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+# include <shlib-compat.h> |
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+# include "init-arch.h" |
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+ |
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+extern __typeof (__strchrnul) __strchrnul_ppc attribute_hidden; |
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+extern __typeof (__strchrnul) __strchrnul_power7 attribute_hidden; |
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+ |
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+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle |
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+ ifunc symbol properly. */ |
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+libc_ifunc (__strchrnul, |
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+ (hwcap & PPC_FEATURE_HAS_VSX) |
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+ ? __strchrnul_power7 |
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+ : __strchrnul_ppc); |
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+ |
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+weak_alias (__strchrnul, strchrnul) |
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+#else |
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+#include <string/strchrnul.c> |
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+#endif |
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-- |
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1.8.3.1
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