[19/20] libcpu-rt-c/x86-64: Add strncpy

Message ID	20180612221939.19545-20-hjl.tools@gmail.com
State	New
Headers	show Return-Path: <libc-alpha-return-93124-incoming=patchwork.ozlabs.org@sourceware.org> DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:in-reply-to :references; q=dns; s=default; b=oprP8zPlbLfoVaqkjJoU1KFZq2vNh91 hTIebCoIEF/H7AsVa/hKeIY3YMQ8ZKW0tKhj4emD2aLoikTekoSUWJvmHccdBSLo 9Kpyxg934bunlc0TN2af+QJKfXedXja8SewgeXGBWPwuKpRfqz7xgfAvt05OP1/w IiEqHZVbuvA8= Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk Sender: libc-alpha-owner@sourceware.org From: "H.J. Lu" <hjl.tools@gmail.com> To: libc-alpha@sourceware.org Subject: [PATCH 19/20] libcpu-rt-c/x86-64: Add strncpy Date: Tue, 12 Jun 2018 15:19:38 -0700 Message-Id: <20180612221939.19545-20-hjl.tools@gmail.com> In-Reply-To: <20180612221939.19545-1-hjl.tools@gmail.com> References: <20180612221939.19545-1-hjl.tools@gmail.com>
Series	RFC: Add the CPU run-time library for C \| expand [00/20] RFC: Add the CPU run-time library for C [01/20] Initial empty CPU run-time library for C: libcpu-rt-c [02/20] libcpu-rt-c/x86: Add cacheinfo [03/20] libcpu-rt-c/x86: Add cpu-rt-tunables.c [04/20] libcpu-rt-c/x86-64: Add memchr [05/20] libcpu-rt-c/x86-64: Add memcmp [06/20] libcpu-rt-c/x86-64: Add memcpy, memmove and mempcpy [07/20] libcpu-rt-c/x86-64: Add memrchr [08/20] libcpu-rt-c/x86-64: Add memset and wmemset [09/20] libcpu-rt-c/i386: Add memcmp [10/20] libcpu-rt-c: Don't use IFUNC memcmp in init_cpu_features [11/20] libcpu-rt-c/x86-64: Add strchr [12/20] libcpu-rt-c/x86-64: Add strcmp [13/20] libcpu-rt-c/x86-64: Add strcpy [14/20] libcpu-rt-c/x86-64: Add strlen [15/20] libcpu-rt-c/x86-64: Add strcat [16/20] libcpu-rt-c/x86-64: Add strnlen [17/20] libcpu-rt-c/x86-64: Add strncat [18/20] libcpu-rt-c/x86-64: Add strncmp [19/20] libcpu-rt-c/x86-64: Add strncpy [20/20] libcpu-rt-c/x86-64: Add strrchr

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From: "H.J. Lu" <hjl.tools@gmail.com>
To: libc-alpha@sourceware.org
Subject: [PATCH 19/20] libcpu-rt-c/x86-64: Add strncpy
Date: Tue, 12 Jun 2018 15:19:38 -0700
Message-Id: <20180612221939.19545-20-hjl.tools@gmail.com>
In-Reply-To: <20180612221939.19545-1-hjl.tools@gmail.com>
References: <20180612221939.19545-1-hjl.tools@gmail.com>

Series

RFC: Add the CPU run-time library for C | expand

Commit Message

H.J. Lu June 12, 2018, 10:19 p.m. UTC

* sysdeps/x86_64/Makefile (cpu-rt-c-routines): Add strncpy.
	* sysdeps/x86_64/multiarch/Makefile
	(libcpu-rt-c-sysdep_routines): Add strncpy-c,
	strncpy-sse2-unaligned and strncpy-ssse3.
	* sysdeps/x86_64/multiarch/strncpy.c: Support libcpu-rt-c.
---
 sysdeps/x86_64/Makefile            | 2 +-
 sysdeps/x86_64/multiarch/Makefile  | 4 +++-
 sysdeps/x86_64/multiarch/strncpy.c | 4 ++--
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/sysdeps/x86_64/Makefile b/sysdeps/x86_64/Makefile
index 4e872b1220..17d3a07894 100644
--- a/sysdeps/x86_64/Makefile
+++ b/sysdeps/x86_64/Makefile
@@ -149,7 +149,7 @@  endif
 ifeq ($(subdir),cpu-rt-c)
 cpu-rt-c-routines += memchr memcmp memcpy memmove mempcpy memrchr \
 		     memset strcat strchr strcmp strcpy strlen strncat \
-		     strnlen strncmp \
+		     strnlen strncmp strncpy \
 		     wmemset
 
 # For the CPU run-time tests.
diff --git a/sysdeps/x86_64/multiarch/Makefile b/sysdeps/x86_64/multiarch/Makefile
index e3c197ba84..de4938b3eb 100644
--- a/sysdeps/x86_64/multiarch/Makefile
+++ b/sysdeps/x86_64/multiarch/Makefile
@@ -91,5 +91,7 @@  libcpu-rt-c-sysdep_routines += memchr-sse2 memchr-avx2 \
 			       strlen-sse2 strlen-avx2 strncat-c \
 			       strncat-sse2-unaligned strncat-ssse3 \
 			       strnlen-sse2 strnlen-avx2 strncmp-sse2 \
-			       strncmp-ssse3 strncmp-sse4_2 strncmp-avx2
+			       strncmp-ssse3 strncmp-sse4_2 strncmp-avx2 \
+			       strncpy-c strncpy-sse2-unaligned \
+			       strncpy-ssse3
 endif
diff --git a/sysdeps/x86_64/multiarch/strncpy.c b/sysdeps/x86_64/multiarch/strncpy.c
index 3c3de8b18e..30bd615f99 100644
--- a/sysdeps/x86_64/multiarch/strncpy.c
+++ b/sysdeps/x86_64/multiarch/strncpy.c
@@ -18,7 +18,7 @@ 
    <http://www.gnu.org/licenses/>.  */
 
 /* Define multiple versions only for the definition in libc.  */
-#if IS_IN (libc)
+#if IS_IN (libc) || IS_IN (libcpu_rt_c)
 # define strncpy __redirect_strncpy
 # include <string.h>
 # undef strncpy
@@ -28,7 +28,7 @@ 
 
 libc_ifunc_redirected (__redirect_strncpy, strncpy, IFUNC_SELECTOR ());
 
-# ifdef SHARED
+# if defined SHARED && !IS_IN (libcpu_rt_c)
 __hidden_ver1 (strncpy, __GI_strncpy, __redirect_strncpy)
   __attribute__ ((visibility ("hidden")));
 # endif

[19/20] libcpu-rt-c/x86-64: Add strncpy

Commit Message

Patch