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-rw-r--r--ChangeLog15
-rw-r--r--sysdeps/s390/Makefile3
-rw-r--r--sysdeps/s390/ifunc-stpncpy.h52
-rw-r--r--sysdeps/s390/multiarch/Makefile3
-rw-r--r--sysdeps/s390/multiarch/ifunc-impl-list.c14
-rw-r--r--sysdeps/s390/stpncpy-c.c (renamed from sysdeps/s390/multiarch/stpncpy-c.c)21
-rw-r--r--sysdeps/s390/stpncpy-vx.S (renamed from sysdeps/s390/multiarch/stpncpy-vx.S)19
-rw-r--r--sysdeps/s390/stpncpy.c (renamed from sysdeps/s390/multiarch/stpncpy.c)23
8 files changed, 128 insertions, 22 deletions
diff --git a/ChangeLog b/ChangeLog
index 4d5a35c138..dc083fae25 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,21 @@
 2018-12-18  Stefan Liebler  <stli@linux.ibm.com>
 
 	* sysdeps/s390/multiarch/Makefile
+	(sysdep_routines): Remove stpncpy variants.
+	* sysdeps/s390/Makefile (sysdep_routines): Add stpncpy variants.
+	* sysdeps/s390/multiarch/ifunc-impl-list.c
+	(__libc_ifunc_impl_list): Refactor ifunc handling for stpncpy.
+	* sysdeps/s390/multiarch/stpncpy-c.c: Move to ...
+	* sysdeps/s390/stpncpy-c.c: ... here and adjust ifunc handling.
+	* sysdeps/s390/multiarch/stpncpy-vx.S: Move to ...
+	* sysdeps/s390/stpncpy-vx.S: ... here and adjust ifunc handling.
+	* sysdeps/s390/multiarch/stpncpy.c: Move to ...
+	* sysdeps/s390/stpncpy.c: ... here and adjust ifunc handling.
+	* sysdeps/s390/ifunc-stpncpy.h: New file.
+
+2018-12-18  Stefan Liebler  <stli@linux.ibm.com>
+
+	* sysdeps/s390/multiarch/Makefile
 	(sysdep_routines): Remove strncpy variants.
 	* sysdeps/s390/Makefile (sysdep_routines): Add strncpy variants.
 	* sysdeps/s390/multiarch/ifunc-impl-list.c
diff --git a/sysdeps/s390/Makefile b/sysdeps/s390/Makefile
index 7cadf7ceba..f02afd4d02 100644
--- a/sysdeps/s390/Makefile
+++ b/sysdeps/s390/Makefile
@@ -64,5 +64,6 @@ sysdep_routines += bzero memset memset-z900 \
 		   strnlen strnlen-vx strnlen-c \
 		   strcpy strcpy-vx strcpy-z900 \
 		   stpcpy stpcpy-vx stpcpy-c \
-		   strncpy strncpy-vx strncpy-z900
+		   strncpy strncpy-vx strncpy-z900 \
+		   stpncpy stpncpy-vx stpncpy-c
 endif
diff --git a/sysdeps/s390/ifunc-stpncpy.h b/sysdeps/s390/ifunc-stpncpy.h
new file mode 100644
index 0000000000..46e57334e8
--- /dev/null
+++ b/sysdeps/s390/ifunc-stpncpy.h
@@ -0,0 +1,52 @@
+/* stpncpy variant information on S/390 version.
+   Copyright (C) 2018 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/>.  */
+
+#if defined USE_MULTIARCH && IS_IN (libc)		\
+  && ! defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
+# define HAVE_STPNCPY_IFUNC	1
+#else
+# define HAVE_STPNCPY_IFUNC	0
+#endif
+
+#ifdef HAVE_S390_VX_ASM_SUPPORT
+# define HAVE_STPNCPY_IFUNC_AND_VX_SUPPORT HAVE_STPNCPY_IFUNC
+#else
+# define HAVE_STPNCPY_IFUNC_AND_VX_SUPPORT 0
+#endif
+
+#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
+# define STPNCPY_DEFAULT	STPNCPY_Z13
+# define HAVE_STPNCPY_C		0
+# define HAVE_STPNCPY_Z13	1
+#else
+# define STPNCPY_DEFAULT	STPNCPY_C
+# define HAVE_STPNCPY_C		1
+# define HAVE_STPNCPY_Z13	HAVE_STPNCPY_IFUNC_AND_VX_SUPPORT
+#endif
+
+#if HAVE_STPNCPY_C
+# define STPNCPY_C		__stpncpy_c
+#else
+# define STPNCPY_C		NULL
+#endif
+
+#if HAVE_STPNCPY_Z13
+# define STPNCPY_Z13		__stpncpy_vx
+#else
+# define STPNCPY_Z13		NULL
+#endif
diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile
index c5189b556c..3d97d21da1 100644
--- a/sysdeps/s390/multiarch/Makefile
+++ b/sysdeps/s390/multiarch/Makefile
@@ -1,6 +1,5 @@
 ifeq ($(subdir),string)
-sysdep_routines += stpncpy stpncpy-vx stpncpy-c \
-		   strcat strcat-vx strcat-c \
+sysdep_routines += strcat strcat-vx strcat-c \
 		   strncat strncat-vx strncat-c \
 		   strcmp strcmp-vx \
 		   strncmp strncmp-vx strncmp-c \
diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c
index d598fc5c22..021e9f247f 100644
--- a/sysdeps/s390/multiarch/ifunc-impl-list.c
+++ b/sysdeps/s390/multiarch/ifunc-impl-list.c
@@ -31,6 +31,7 @@
 #include <ifunc-strcpy.h>
 #include <ifunc-stpcpy.h>
 #include <ifunc-strncpy.h>
+#include <ifunc-stpncpy.h>
 
 /* Maximum number of IFUNC implementations.  */
 #define MAX_IFUNC	3
@@ -229,6 +230,18 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 		)
 #endif /* HAVE_STRNCPY_IFUNC  */
 
+#if HAVE_STPNCPY_IFUNC
+    IFUNC_IMPL (i, name, stpncpy,
+# if HAVE_STPNCPY_Z13
+		IFUNC_IMPL_ADD (array, i, stpncpy,
+				dl_hwcap & HWCAP_S390_VX, STPNCPY_Z13)
+# endif
+# if HAVE_STPNCPY_C
+		IFUNC_IMPL_ADD (array, i, stpncpy, 1, STPNCPY_C)
+# endif
+		)
+#endif /* HAVE_STPNCPY_IFUNC  */
+
 
 #ifdef HAVE_S390_VX_ASM_SUPPORT
 
@@ -248,7 +261,6 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 
   IFUNC_VX_IMPL (wcsncpy);
 
-  IFUNC_VX_IMPL (stpncpy);
   IFUNC_VX_IMPL (wcpncpy);
 
   IFUNC_VX_IMPL (strcat);
diff --git a/sysdeps/s390/multiarch/stpncpy-c.c b/sysdeps/s390/stpncpy-c.c
index 45e50aa9e7..e5d1ae8675 100644
--- a/sysdeps/s390/multiarch/stpncpy-c.c
+++ b/sysdeps/s390/stpncpy-c.c
@@ -16,13 +16,18 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
-# define STPNCPY  __stpncpy_c
-# ifdef SHARED
-#  undef libc_hidden_def
-#  define libc_hidden_def(name)  \
-     __hidden_ver1 (__stpncpy_c, __GI___stpncpy, __stpncpy_c);
-# endif /* SHARED */
+#include <ifunc-stpncpy.h>
+
+#if HAVE_STPNCPY_C
+# if HAVE_STPNCPY_IFUNC
+#  define STPNCPY STPNCPY_C
+
+#  if defined SHARED && IS_IN (libc)
+#   undef libc_hidden_def
+#   define libc_hidden_def(name)				\
+  __hidden_ver1 (__stpncpy_c, __GI___stpncpy, __stpncpy_c);
+#  endif
+# endif
 
 # include <string/stpncpy.c>
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
+#endif
diff --git a/sysdeps/s390/multiarch/stpncpy-vx.S b/sysdeps/s390/stpncpy-vx.S
index 922bd7a355..3dccc10be3 100644
--- a/sysdeps/s390/multiarch/stpncpy-vx.S
+++ b/sysdeps/s390/stpncpy-vx.S
@@ -16,7 +16,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+#include <ifunc-stpncpy.h>
+
+#if HAVE_STPNCPY_Z13
 
 # include "sysdep.h"
 # include "asm-syntax.h"
@@ -38,7 +40,7 @@
    -%r6 = loaded bytes
    -%r7 = border, tmp
 */
-ENTRY(__stpncpy_vx)
+ENTRY(STPNCPY_Z13)
 	.machine "z13"
 	.machinemode "zarch_nohighgprs"
 
@@ -196,5 +198,14 @@ ENTRY(__stpncpy_vx)
 
 	vl	%v16,0(%r5,%r3)	/* Load s.  */
 	j	.Llt64
-END(__stpncpy_vx)
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
+END(STPNCPY_Z13)
+
+# if ! HAVE_STPNCPY_IFUNC
+strong_alias (STPNCPY_Z13, __stpncpy)
+weak_alias (__stpncpy, stpncpy)
+# endif
+
+# if ! HAVE_STPNCPY_C && defined SHARED && IS_IN (libc)
+strong_alias (STPNCPY_Z13, __GI___stpncpy)
+# endif
+#endif
diff --git a/sysdeps/s390/multiarch/stpncpy.c b/sysdeps/s390/stpncpy.c
index f7f9d51a50..250dc68ed1 100644
--- a/sysdeps/s390/multiarch/stpncpy.c
+++ b/sysdeps/s390/stpncpy.c
@@ -16,7 +16,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+#include <ifunc-stpncpy.h>
+
+#if HAVE_STPNCPY_IFUNC
 # define stpncpy __redirect_stpncpy
 # define __stpncpy __redirect___stpncpy
 # include <string.h>
@@ -24,9 +26,18 @@
 # undef __stpncpy
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc_redirected (__redirect___stpncpy, __stpncpy)
-weak_alias (__stpncpy, stpncpy)
+# if HAVE_STPNCPY_C
+extern __typeof (__redirect_stpncpy) STPNCPY_C attribute_hidden;
+# endif
 
-#else
-# include <string/stpncpy.c>
-#endif  /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
+# if HAVE_STPNCPY_Z13
+extern __typeof (__redirect_stpncpy) STPNCPY_Z13 attribute_hidden;
+# endif
+
+s390_libc_ifunc_expr (__redirect___stpncpy, __stpncpy,
+		      (HAVE_STPNCPY_Z13 && (hwcap & HWCAP_S390_VX))
+		      ? STPNCPY_Z13
+		      : STPNCPY_DEFAULT
+		      )
+weak_alias (__stpncpy, stpncpy)
+#endif
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-12-17 07:15:27 +0000