+2018-12-18 Stefan Liebler <stli@linux.ibm.com>
+
+ * sysdeps/s390/multiarch/Makefile
+ (sysdep_routines): Remove stpcpy variants.
+ * sysdeps/s390/Makefile (sysdep_routines): Add stpcpy variants.
+ * sysdeps/s390/multiarch/ifunc-impl-list.c
+ (__libc_ifunc_impl_list): Refactor ifunc handling for stpcpy.
+ * sysdeps/s390/multiarch/stpcpy-c.c: Move to ...
+ * sysdeps/s390/stpcpy-c.c: ... here and adjust ifunc handling.
+ * sysdeps/s390/multiarch/stpcpy-vx.S: Move to ...
+ * sysdeps/s390/stpcpy-vx.S: ... here and adjust ifunc handling.
+ * sysdeps/s390/multiarch/stpcpy.c: Move to ...
+ * sysdeps/s390/stpcpy.c: ... here and adjust ifunc handling.
+ * sysdeps/s390/ifunc-stpcpy.h: New file.
+
2018-12-18 Stefan Liebler <stli@linux.ibm.com>
* sysdeps/s390/multiarch/Makefile
memmem memmem-vx memmem-c \
strlen strlen-vx strlen-c \
strnlen strnlen-vx strnlen-c \
- strcpy strcpy-vx strcpy-z900
+ strcpy strcpy-vx strcpy-z900 \
+ stpcpy stpcpy-vx stpcpy-c
endif
--- /dev/null
+/* stpcpy 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_STPCPY_IFUNC 1
+#else
+# define HAVE_STPCPY_IFUNC 0
+#endif
+
+#ifdef HAVE_S390_VX_ASM_SUPPORT
+# define HAVE_STPCPY_IFUNC_AND_VX_SUPPORT HAVE_STPCPY_IFUNC
+#else
+# define HAVE_STPCPY_IFUNC_AND_VX_SUPPORT 0
+#endif
+
+#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
+# define STPCPY_DEFAULT STPCPY_Z13
+# define HAVE_STPCPY_C 0
+# define HAVE_STPCPY_Z13 1
+#else
+# define STPCPY_DEFAULT STPCPY_C
+# define HAVE_STPCPY_C 1
+# define HAVE_STPCPY_Z13 HAVE_STPCPY_IFUNC_AND_VX_SUPPORT
+#endif
+
+#if HAVE_STPCPY_C
+# define STPCPY_C __stpcpy_c
+#else
+# define STPCPY_C NULL
+#endif
+
+#if HAVE_STPCPY_Z13
+# define STPCPY_Z13 __stpcpy_vx
+#else
+# define STPCPY_Z13 NULL
+#endif
ifeq ($(subdir),string)
-sysdep_routines += stpcpy stpcpy-vx stpcpy-c \
- strncpy strncpy-vx \
+sysdep_routines += strncpy strncpy-vx \
stpncpy stpncpy-vx stpncpy-c \
strcat strcat-vx strcat-c \
strncat strncat-vx strncat-c \
#include <ifunc-strlen.h>
#include <ifunc-strnlen.h>
#include <ifunc-strcpy.h>
+#include <ifunc-stpcpy.h>
/* Maximum number of IFUNC implementations. */
#define MAX_IFUNC 3
)
#endif /* HAVE_STRCPY_IFUNC */
+#if HAVE_STPCPY_IFUNC
+ IFUNC_IMPL (i, name, stpcpy,
+# if HAVE_STPCPY_Z13
+ IFUNC_IMPL_ADD (array, i, stpcpy,
+ dl_hwcap & HWCAP_S390_VX, STPCPY_Z13)
+# endif
+# if HAVE_STPCPY_C
+ IFUNC_IMPL_ADD (array, i, stpcpy, 1, STPCPY_C)
+# endif
+ )
+#endif /* HAVE_STPCPY_IFUNC */
+
#ifdef HAVE_S390_VX_ASM_SUPPORT
# define IFUNC_VX_IMPL(FUNC) \
IFUNC_VX_IMPL (wcscpy);
- IFUNC_VX_IMPL (stpcpy);
IFUNC_VX_IMPL (wcpcpy);
IFUNC_VX_IMPL (strncpy);
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 STPCPY __stpcpy_c
-# undef weak_alias
-# define weak_alias(a, b)
-# ifdef SHARED
-# undef libc_hidden_def
-# define libc_hidden_def(name) \
+#include <ifunc-stpcpy.h>
+
+#if HAVE_STPCPY_C
+# if HAVE_STPCPY_IFUNC
+# define STPCPY STPCPY_C
+
+# undef weak_alias
+# define weak_alias(a, b)
+
+# if defined SHARED && IS_IN (libc)
+# undef libc_hidden_def
+# define libc_hidden_def(name) \
__hidden_ver1 (__stpcpy_c, __GI___stpcpy, __stpcpy_c);
-# undef libc_hidden_builtin_def
-# define libc_hidden_builtin_def(name) \
+# undef libc_hidden_builtin_def
+# define libc_hidden_builtin_def(name) \
strong_alias (__stpcpy_c, __stpcpy_c_1); \
__hidden_ver1 (__stpcpy_c_1, __GI_stpcpy, __stpcpy_c_1);
-# endif /* SHARED */
-
+# endif
+# endif
# include <string/stpcpy.c>
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
+#endif
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-stpcpy.h>
+
+#if HAVE_STPCPY_Z13
# include "sysdep.h"
# include "asm-syntax.h"
-v17=index of zero
-v18=part of src
*/
-ENTRY(__stpcpy_vx)
+ENTRY(STPCPY_Z13)
.machine "z13"
.machinemode "zarch_nohighgprs"
vstl %v16,%r5,0(%r2) /* Copy characters including zero. */
la %r2,0(%r5,%r2) /* Return pointer to zero. */
br %r14
-END(__stpcpy_vx)
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
+END(STPCPY_Z13)
+
+# if ! HAVE_STPCPY_IFUNC
+strong_alias (STPCPY_Z13, __stpcpy)
+weak_alias (__stpcpy, stpcpy)
+# endif
+
+# if ! HAVE_STPCPY_C && defined SHARED && IS_IN (libc)
+strong_alias (STPCPY_Z13, __GI_stpcpy)
+strong_alias (STPCPY_Z13, __GI___stpcpy)
+# endif
+#endif
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-stpcpy.h>
+
+#if HAVE_STPCPY_IFUNC
# define stpcpy __redirect_stpcpy
# define __stpcpy __redirect___stpcpy
/* Omit the stpcpy inline definitions because it would redefine stpcpy. */
# undef __stpcpy
# include <ifunc-resolve.h>
-s390_vx_libc_ifunc_redirected (__redirect___stpcpy, __stpcpy);
-weak_alias (__stpcpy, stpcpy)
+# if HAVE_STPCPY_C
+extern __typeof (__redirect_stpcpy) STPCPY_C attribute_hidden;
+# endif
-#else
-# include <string/stpcpy.c>
-#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
+# if HAVE_STPCPY_Z13
+extern __typeof (__redirect_stpcpy) STPCPY_Z13 attribute_hidden;
+# endif
+
+s390_libc_ifunc_expr (__redirect___stpcpy, __stpcpy,
+ (HAVE_STPCPY_Z13 && (hwcap & HWCAP_S390_VX))
+ ? STPCPY_Z13
+ : STPCPY_DEFAULT
+ )
+weak_alias (__stpcpy, stpcpy)
+#endif
git://sourceware.org / glibc.git / commitdiff