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From 3cd86ba149cd650c338332dddb63e16f95041daf 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 05:10:37 -0500
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Subject: [PATCH] PowerPC: multiarch memset/bzero for PowerPC64
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commit 8a29a3d00b5d8ce33fc291baecfd59d715190fd1
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Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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Date: Fri Dec 13 14:33:16 2013 -0500
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---
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sysdeps/powerpc/powerpc64/memset.S | 2 +
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sysdeps/powerpc/powerpc64/multiarch/Makefile | 3 +-
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sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S | 26 ++++++++++
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sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S | 26 ++++++++++
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sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S | 26 ++++++++++
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sysdeps/powerpc/powerpc64/multiarch/bzero.c | 40 ++++++++++++++++
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.../powerpc/powerpc64/multiarch/ifunc-impl-list.c | 20 ++++++++
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.../powerpc/powerpc64/multiarch/memset-power4.S | 40 ++++++++++++++++
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.../powerpc/powerpc64/multiarch/memset-power6.S | 40 ++++++++++++++++
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.../powerpc/powerpc64/multiarch/memset-power7.S | 40 ++++++++++++++++
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sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S | 55 ++++++++++++++++++++++
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sysdeps/powerpc/powerpc64/multiarch/memset.c | 50 ++++++++++++++++++++
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sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c | 18 +++++++
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sysdeps/powerpc/powerpc64/power4/memset.S | 2 +
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sysdeps/powerpc/powerpc64/power6/memset.S | 2 +
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sysdeps/powerpc/powerpc64/power7/memset.S | 2 +
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16 files changed, 391 insertions(+), 1 deletion(-)
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero.c
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-power4.S
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-power6.S
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-power7.S
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset.c
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S
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index d02af98..fd5d4e5 100644
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--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S
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@@ -265,6 +265,7 @@ L(medium_28t):
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END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
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libc_hidden_builtin_def (memset)
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+#ifndef NO_BZERO_IMPL
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/* Copied from bzero.S to prevent the linker from inserting a stub
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between bzero and memset. */
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ENTRY (BP_SYM (__bzero))
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@@ -284,3 +285,4 @@ ENTRY (BP_SYM (__bzero))
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END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
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weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
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+#endif
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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 c0bc520..424d2cd 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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@@ -1,5 +1,6 @@
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ifeq ($(subdir),string)
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sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
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memcpy-power4 memcpy-ppc64 memcmp-power7 memcmp-power4 \
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- memcmp-ppc64
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+ memcmp-ppc64 memset-power7 memset-power6 memset-power4 \
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+ memset-ppc64 bzero-power4 bzero-power6 bzero-power7
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endif
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S
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new file mode 100644
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index 0000000..72b75ac
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--- /dev/null
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S
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@@ -0,0 +1,26 @@
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+/* Optimized bzero implementation for PowerPC64/POWER4.
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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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+ENTRY (__bzero_power4)
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+ CALL_MCOUNT 3
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+ mr r5,r4
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+ li r4,0
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+ b __memset_power4
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+END_GEN_TB (__bzero_power4,TB_TOCLESS)
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S
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new file mode 100644
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index 0000000..d0917c5
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--- /dev/null
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S
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@@ -0,0 +1,26 @@
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+/* Optimized bzero implementation for PowerPC64/POWER6.
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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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+ENTRY (__bzero_power6)
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+ CALL_MCOUNT 3
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+ mr r5,r4
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+ li r4,0
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+ b __memset_power6
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+END_GEN_TB (__bzero_power6,TB_TOCLESS)
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S
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new file mode 100644
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index 0000000..0ec285a
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--- /dev/null
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S
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@@ -0,0 +1,26 @@
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+/* Optimized bzero implementation for PowerPC64/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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+ENTRY (__bzero_power7)
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+ CALL_MCOUNT 3
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+ mr r5,r4
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+ li r4,0
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+ b __memset_power7
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+END_GEN_TB (__bzero_power7,TB_TOCLESS)
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero.c
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new file mode 100644
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index 0000000..ed83541
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--- /dev/null
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero.c
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@@ -0,0 +1,40 @@
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+/* Multiple versions of bzero. PowerPC64 version.
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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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+/* Define multiple versions only for definition in libc. */
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+#ifndef NOT_IN_libc
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+# include <string.h>
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+# include <strings.h>
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+# include "init-arch.h"
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+
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+extern __typeof (bzero) __bzero_ppc attribute_hidden;
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+extern __typeof (bzero) __bzero_power4 attribute_hidden;
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+extern __typeof (bzero) __bzero_power6 attribute_hidden;
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+extern __typeof (bzero) __bzero_power7 attribute_hidden;
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+
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+libc_ifunc (__bzero,
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+ (hwcap & PPC_FEATURE_HAS_VSX)
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+ ? __bzero_power7 :
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+ (hwcap & PPC_FEATURE_ARCH_2_05)
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+ ? __bzero_power6 :
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+ (hwcap & PPC_FEATURE_POWER4)
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+ ? __bzero_power4
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+ : __bzero_ppc);
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+
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+weak_alias (__bzero, bzero)
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+#endif
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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 295ebca..11e7063 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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@@ -60,6 +60,16 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_POWER4,
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__memcpy_power4)
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IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc))
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+
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+ /* Support sysdeps/powerpc/powerpc64/multiarch/memset.c. */
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+ IFUNC_IMPL (i, name, memset,
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+ IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_HAS_VSX,
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+ __memset_power7)
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+ IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05,
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+ __memset_power6)
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+ IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_POWER4,
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+ __memset_power4)
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+ IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc))
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#endif
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/* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */
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@@ -70,5 +80,15 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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__memcmp_power4)
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IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc))
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+ /* Support sysdeps/powerpc/powerpc64/multiarch/bzero.c. */
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+ IFUNC_IMPL (i, name, bzero,
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+ IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX,
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+ __bzero_power7)
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+ IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05,
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+ __bzero_power6)
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+ IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_POWER4,
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+ __bzero_power4)
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+ IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc))
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+
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return i;
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}
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power4.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power4.S
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new file mode 100644
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index 0000000..9074b95
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--- /dev/null
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power4.S
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@@ -0,0 +1,40 @@
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|
147e83 |
+/* Optimized memset implementation for PowerPC64/POWER4.
|
|
|
147e83 |
+ Copyright (C) 2013-2014 Free Software Foundation, Inc.
|
|
|
147e83 |
+ This file is part of the GNU C Library.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
147e83 |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
147e83 |
+ License as published by the Free Software Foundation; either
|
|
|
147e83 |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
147e83 |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
147e83 |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
147e83 |
+ Lesser General Public License for more details.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
147e83 |
+ License along with the GNU C Library; if not, see
|
|
|
147e83 |
+ <http://www.gnu.org/licenses/>. */
|
|
|
147e83 |
+
|
|
|
147e83 |
+#include <sysdep.h>
|
|
|
147e83 |
+
|
|
|
147e83 |
+#undef EALIGN
|
|
|
147e83 |
+#define EALIGN(name, alignt, words) \
|
|
|
147e83 |
+ .section ".text"; \
|
|
|
147e83 |
+ ENTRY_2(__memset_power4) \
|
|
|
147e83 |
+ .align ALIGNARG(alignt); \
|
|
|
147e83 |
+ EALIGN_W_##words; \
|
|
|
147e83 |
+ BODY_LABEL(__memset_power4): \
|
|
|
147e83 |
+ cfi_startproc;
|
|
|
147e83 |
+
|
|
|
147e83 |
+#undef END_GEN_TB
|
|
|
147e83 |
+#define END_GEN_TB(name, mask) \
|
|
|
147e83 |
+ cfi_endproc; \
|
|
|
147e83 |
+ TRACEBACK_MASK(__memset_power4,mask) \
|
|
|
147e83 |
+ END_2(__memset_power4)
|
|
|
147e83 |
+
|
|
|
147e83 |
+#undef libc_hidden_builtin_def
|
|
|
147e83 |
+#define libc_hidden_builtin_def(name)
|
|
|
147e83 |
+
|
|
|
147e83 |
+#define NO_BZERO_IMPL
|
|
|
147e83 |
+#include <sysdeps/powerpc/powerpc64/power4/memset.S>
|
|
|
147e83 |
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power6.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power6.S
|
|
|
147e83 |
new file mode 100644
|
|
|
147e83 |
index 0000000..70688b5
|
|
|
147e83 |
--- /dev/null
|
|
|
147e83 |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power6.S
|
|
|
147e83 |
@@ -0,0 +1,40 @@
|
|
|
147e83 |
+/* Optimized memset implementation for PowerPC64/POWER6.
|
|
|
147e83 |
+ Copyright (C) 2013-2014 Free Software Foundation, Inc.
|
|
|
147e83 |
+ This file is part of the GNU C Library.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
147e83 |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
147e83 |
+ License as published by the Free Software Foundation; either
|
|
|
147e83 |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
147e83 |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
147e83 |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
147e83 |
+ Lesser General Public License for more details.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
147e83 |
+ License along with the GNU C Library; if not, see
|
|
|
147e83 |
+ <http://www.gnu.org/licenses/>. */
|
|
|
147e83 |
+
|
|
|
147e83 |
+#include <sysdep.h>
|
|
|
147e83 |
+
|
|
|
147e83 |
+#undef EALIGN
|
|
|
147e83 |
+#define EALIGN(name, alignt, words) \
|
|
|
147e83 |
+ .section ".text"; \
|
|
|
147e83 |
+ ENTRY_2(__memset_power6) \
|
|
|
147e83 |
+ .align ALIGNARG(alignt); \
|
|
|
147e83 |
+ EALIGN_W_##words; \
|
|
|
147e83 |
+ BODY_LABEL(__memset_power6): \
|
|
|
147e83 |
+ cfi_startproc;
|
|
|
147e83 |
+
|
|
|
147e83 |
+#undef END_GEN_TB
|
|
|
147e83 |
+#define END_GEN_TB(name, mask) \
|
|
|
147e83 |
+ cfi_endproc; \
|
|
|
147e83 |
+ TRACEBACK_MASK(__memset_power6,mask) \
|
|
|
147e83 |
+ END_2(__memset_power6)
|
|
|
147e83 |
+
|
|
|
147e83 |
+#undef libc_hidden_builtin_def
|
|
|
147e83 |
+#define libc_hidden_builtin_def(name)
|
|
|
147e83 |
+
|
|
|
147e83 |
+#define NO_BZERO_IMPL
|
|
|
147e83 |
+#include <sysdeps/powerpc/powerpc64/power6/memset.S>
|
|
|
147e83 |
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power7.S
|
|
|
147e83 |
new file mode 100644
|
|
|
147e83 |
index 0000000..ab226c5
|
|
|
147e83 |
--- /dev/null
|
|
|
147e83 |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power7.S
|
|
|
147e83 |
@@ -0,0 +1,40 @@
|
|
|
147e83 |
+/* Optimized memset implementation for PowerPC64/POWER7.
|
|
|
147e83 |
+ Copyright (C) 2013-2014 Free Software Foundation, Inc.
|
|
|
147e83 |
+ This file is part of the GNU C Library.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
147e83 |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
147e83 |
+ License as published by the Free Software Foundation; either
|
|
|
147e83 |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
147e83 |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
147e83 |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
147e83 |
+ Lesser General Public License for more details.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
147e83 |
+ License along with the GNU C Library; if not, see
|
|
|
147e83 |
+ <http://www.gnu.org/licenses/>. */
|
|
|
147e83 |
+
|
|
|
147e83 |
+#include <sysdep.h>
|
|
|
147e83 |
+
|
|
|
147e83 |
+#undef EALIGN
|
|
|
147e83 |
+#define EALIGN(name, alignt, words) \
|
|
|
147e83 |
+ .section ".text"; \
|
|
|
147e83 |
+ ENTRY_2(__memset_power7) \
|
|
|
147e83 |
+ .align ALIGNARG(alignt); \
|
|
|
147e83 |
+ EALIGN_W_##words; \
|
|
|
147e83 |
+ BODY_LABEL(__memset_power7): \
|
|
|
147e83 |
+ cfi_startproc;
|
|
|
147e83 |
+
|
|
|
147e83 |
+#undef END_GEN_TB
|
|
|
147e83 |
+#define END_GEN_TB(name, mask) \
|
|
|
147e83 |
+ cfi_endproc; \
|
|
|
147e83 |
+ TRACEBACK_MASK(__memset_power7,mask) \
|
|
|
147e83 |
+ END_2(__memset_power7)
|
|
|
147e83 |
+
|
|
|
147e83 |
+#undef libc_hidden_builtin_def
|
|
|
147e83 |
+#define libc_hidden_builtin_def(name)
|
|
|
147e83 |
+
|
|
|
147e83 |
+#define NO_BZERO_IMPL
|
|
|
147e83 |
+#include <sysdeps/powerpc/powerpc64/power7/memset.S>
|
|
|
147e83 |
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S
|
|
|
147e83 |
new file mode 100644
|
|
|
147e83 |
index 0000000..dc5549c
|
|
|
147e83 |
--- /dev/null
|
|
|
147e83 |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S
|
|
|
147e83 |
@@ -0,0 +1,55 @@
|
|
|
147e83 |
+/* Default memset/bzero implementation for PowerPC64.
|
|
|
147e83 |
+ Copyright (C) 2013-2014 Free Software Foundation, Inc.
|
|
|
147e83 |
+ This file is part of the GNU C Library.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
147e83 |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
147e83 |
+ License as published by the Free Software Foundation; either
|
|
|
147e83 |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
147e83 |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
147e83 |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
147e83 |
+ Lesser General Public License for more details.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
147e83 |
+ License along with the GNU C Library; if not, see
|
|
|
147e83 |
+ <http://www.gnu.org/licenses/>. */
|
|
|
147e83 |
+
|
|
|
147e83 |
+#include <sysdep.h>
|
|
|
147e83 |
+
|
|
|
147e83 |
+/* Copied from bzero.S to prevent the linker from inserting a stub
|
|
|
147e83 |
+ between bzero and memset. NOTE: this code should be positioned
|
|
|
147e83 |
+ before ENTRY/END_GEN_TB redefinition. */
|
|
|
147e83 |
+ENTRY (__bzero_ppc)
|
|
|
147e83 |
+ CALL_MCOUNT 3
|
|
|
147e83 |
+ mr r5,r4
|
|
|
147e83 |
+ li r4,0
|
|
|
147e83 |
+ b L(_memset)
|
|
|
147e83 |
+END_GEN_TB (__bzero_ppc,TB_TOCLESS)
|
|
|
147e83 |
+
|
|
|
147e83 |
+
|
|
|
147e83 |
+#if defined SHARED && !defined NOT_IN_libc
|
|
|
147e83 |
+# undef EALIGN
|
|
|
147e83 |
+# define EALIGN(name, alignt, words) \
|
|
|
147e83 |
+ .section ".text"; \
|
|
|
147e83 |
+ ENTRY_2(__memset_ppc) \
|
|
|
147e83 |
+ .align ALIGNARG(alignt); \
|
|
|
147e83 |
+ EALIGN_W_##words; \
|
|
|
147e83 |
+ BODY_LABEL(__memset_ppc): \
|
|
|
147e83 |
+ cfi_startproc;
|
|
|
147e83 |
+
|
|
|
147e83 |
+# undef END_GEN_TB
|
|
|
147e83 |
+# define END_GEN_TB(name, mask) \
|
|
|
147e83 |
+ cfi_endproc; \
|
|
|
147e83 |
+ TRACEBACK_MASK(__memset_ppc,mask) \
|
|
|
147e83 |
+ END_2(__memset_ppc)
|
|
|
147e83 |
+
|
|
|
147e83 |
+# undef libc_hidden_builtin_def
|
|
|
147e83 |
+# define libc_hidden_builtin_def(name)
|
|
|
147e83 |
+#endif
|
|
|
147e83 |
+
|
|
|
147e83 |
+/* Do not implement __bzero at powerpc64/memset.S. */
|
|
|
147e83 |
+#define NO_BZERO_IMPL
|
|
|
147e83 |
+
|
|
|
147e83 |
+#include <sysdeps/powerpc/powerpc64/memset.S>
|
|
|
147e83 |
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset.c
|
|
|
147e83 |
new file mode 100644
|
|
|
147e83 |
index 0000000..aa2ae70
|
|
|
147e83 |
--- /dev/null
|
|
|
147e83 |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset.c
|
|
|
147e83 |
@@ -0,0 +1,50 @@
|
|
|
147e83 |
+/* Multiple versions of memset.
|
|
|
147e83 |
+ Copyright (C) 2013-2014 Free Software Foundation, Inc.
|
|
|
147e83 |
+ This file is part of the GNU C Library.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
147e83 |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
147e83 |
+ License as published by the Free Software Foundation; either
|
|
|
147e83 |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
147e83 |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
147e83 |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
147e83 |
+ Lesser General Public License for more details.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
147e83 |
+ License along with the GNU C Library; if not, see
|
|
|
147e83 |
+ <http://www.gnu.org/licenses/>. */
|
|
|
147e83 |
+
|
|
|
147e83 |
+/* Define multiple versions only for definition in libc. */
|
|
|
147e83 |
+#if defined SHARED && !defined NOT_IN_libc
|
|
|
147e83 |
+/* Redefine memset so that the compiler won't complain about the type
|
|
|
147e83 |
+ mismatch with the IFUNC selector in strong_alias, below. */
|
|
|
147e83 |
+# undef memset
|
|
|
147e83 |
+# define memset __redirect_memset
|
|
|
147e83 |
+# include <string.h>
|
|
|
147e83 |
+# include <shlib-compat.h>
|
|
|
147e83 |
+# include "init-arch.h"
|
|
|
147e83 |
+
|
|
|
147e83 |
+extern __typeof (__redirect_memset) __libc_memset;
|
|
|
147e83 |
+
|
|
|
147e83 |
+extern __typeof (__redirect_memset) __memset_ppc attribute_hidden;
|
|
|
147e83 |
+extern __typeof (__redirect_memset) __memset_power4 attribute_hidden;
|
|
|
147e83 |
+extern __typeof (__redirect_memset) __memset_power6 attribute_hidden;
|
|
|
147e83 |
+extern __typeof (__redirect_memset) __memset_power7 attribute_hidden;
|
|
|
147e83 |
+
|
|
|
147e83 |
+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
|
|
|
147e83 |
+ ifunc symbol properly. */
|
|
|
147e83 |
+libc_ifunc (__libc_memset,
|
|
|
147e83 |
+ (hwcap & PPC_FEATURE_HAS_VSX)
|
|
|
147e83 |
+ ? __memset_power7 :
|
|
|
147e83 |
+ (hwcap & PPC_FEATURE_ARCH_2_05)
|
|
|
147e83 |
+ ? __memset_power6 :
|
|
|
147e83 |
+ (hwcap & PPC_FEATURE_POWER4)
|
|
|
147e83 |
+ ? __memset_power4
|
|
|
147e83 |
+ : __memset_ppc);
|
|
|
147e83 |
+
|
|
|
147e83 |
+#undef memset
|
|
|
147e83 |
+strong_alias (__libc_memset, memset);
|
|
|
147e83 |
+libc_hidden_ver (__libc_memset, memset);
|
|
|
147e83 |
+#endif
|
|
|
147e83 |
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c
|
|
|
147e83 |
new file mode 100644
|
|
|
147e83 |
index 0000000..8eac85b
|
|
|
147e83 |
--- /dev/null
|
|
|
147e83 |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c
|
|
|
147e83 |
@@ -0,0 +1,18 @@
|
|
|
147e83 |
+/* Copyright (C) 2013-2014 Free Software Foundation, Inc.
|
|
|
147e83 |
+ This file is part of the GNU C Library.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
147e83 |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
147e83 |
+ License as published by the Free Software Foundation; either
|
|
|
147e83 |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
147e83 |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
147e83 |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
147e83 |
+ Lesser General Public License for more details.
|
|
|
147e83 |
+
|
|
|
147e83 |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
147e83 |
+ License along with the GNU C Library; if not, see
|
|
|
147e83 |
+ <http://www.gnu.org/licenses/>. */
|
|
|
147e83 |
+
|
|
|
147e83 |
+#include <sysdeps/powerpc/powerpc64/rtld-memset.c>
|
|
|
147e83 |
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S
|
|
|
147e83 |
index c86a68a..c077ae7 100644
|
|
|
147e83 |
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S
|
|
|
147e83 |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S
|
|
|
147e83 |
@@ -253,6 +253,7 @@ L(medium_28t):
|
|
|
147e83 |
END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
|
|
|
147e83 |
libc_hidden_builtin_def (memset)
|
|
|
147e83 |
|
|
|
147e83 |
+#ifndef NO_BZERO_IMPL
|
|
|
147e83 |
/* Copied from bzero.S to prevent the linker from inserting a stub
|
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between bzero and memset. */
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ENTRY (BP_SYM (__bzero))
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147e83 |
@@ -272,3 +273,4 @@ ENTRY (BP_SYM (__bzero))
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END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
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147e83 |
weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
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147e83 |
+#endif
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S
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147e83 |
index 930ecce..967642a3 100644
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147e83 |
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S
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147e83 |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S
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147e83 |
@@ -397,6 +397,7 @@ L(medium_28t):
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147e83 |
END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
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147e83 |
libc_hidden_builtin_def (memset)
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147e83 |
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147e83 |
+#ifndef NO_BZERO_IMPL
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147e83 |
/* Copied from bzero.S to prevent the linker from inserting a stub
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147e83 |
between bzero and memset. */
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147e83 |
ENTRY (BP_SYM (__bzero))
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147e83 |
@@ -416,3 +417,4 @@ ENTRY (BP_SYM (__bzero))
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147e83 |
END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
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147e83 |
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147e83 |
weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
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147e83 |
+#endif
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S
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147e83 |
index 5970fbe..2716656 100644
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147e83 |
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S
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147e83 |
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S
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|
147e83 |
@@ -385,6 +385,7 @@ L(small):
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|
147e83 |
END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
|
|
|
147e83 |
libc_hidden_builtin_def (memset)
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|
147e83 |
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|
147e83 |
+#ifndef NO_BZERO_IMPL
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|
147e83 |
/* Copied from bzero.S to prevent the linker from inserting a stub
|
|
|
147e83 |
between bzero and memset. */
|
|
|
147e83 |
ENTRY (BP_SYM (__bzero))
|
|
|
147e83 |
@@ -395,3 +396,4 @@ ENTRY (BP_SYM (__bzero))
|
|
|
147e83 |
END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
|
|
|
147e83 |
|
|
|
147e83 |
weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
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|
147e83 |
+#endif
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|
147e83 |
--
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|
147e83 |
1.8.3.1
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|
147e83 |
|