+2018-12-18 Stefan Liebler <stli@linux.ibm.com>
+
+ * sysdeps/s390/multiarch/Makefile
+ (sysdep_routines): Remove strcat variants.
+ * sysdeps/s390/Makefile (sysdep_routines): Add strcat variants.
+ * sysdeps/s390/multiarch/ifunc-impl-list.c
+ (__libc_ifunc_impl_list): Refactor ifunc handling for strcat.
+ * sysdeps/s390/multiarch/strcat-c.c: Move to ...
+ * sysdeps/s390/strcat-c.c: ... here and adjust ifunc handling.
+ * sysdeps/s390/multiarch/strcat-vx.S: Move to ...
+ * sysdeps/s390/strcat-vx.S: ... here and adjust ifunc handling.
+ * sysdeps/s390/multiarch/strcat.c: Move to ...
+ * sysdeps/s390/strcat.c: ... here and adjust ifunc handling.
+ * sysdeps/s390/ifunc-strcat.h: New file.
+
2018-12-18 Stefan Liebler <stli@linux.ibm.com>
* sysdeps/s390/multiarch/Makefile
strcpy strcpy-vx strcpy-z900 \
stpcpy stpcpy-vx stpcpy-c \
strncpy strncpy-vx strncpy-z900 \
- stpncpy stpncpy-vx stpncpy-c
+ stpncpy stpncpy-vx stpncpy-c \
+ strcat strcat-vx strcat-c
endif
--- /dev/null
+/* strcat 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_STRCAT_IFUNC 1
+#else
+# define HAVE_STRCAT_IFUNC 0
+#endif
+
+#ifdef HAVE_S390_VX_ASM_SUPPORT
+# define HAVE_STRCAT_IFUNC_AND_VX_SUPPORT HAVE_STRCAT_IFUNC
+#else
+# define HAVE_STRCAT_IFUNC_AND_VX_SUPPORT 0
+#endif
+
+#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
+# define STRCAT_DEFAULT STRCAT_Z13
+# define HAVE_STRCAT_C 0
+# define HAVE_STRCAT_Z13 1
+#else
+# define STRCAT_DEFAULT STRCAT_C
+# define HAVE_STRCAT_C 1
+# define HAVE_STRCAT_Z13 HAVE_STRCAT_IFUNC_AND_VX_SUPPORT
+#endif
+
+#if HAVE_STRCAT_C
+# define STRCAT_C __strcat_c
+#else
+# define STRCAT_C NULL
+#endif
+
+#if HAVE_STRCAT_Z13
+# define STRCAT_Z13 __strcat_vx
+#else
+# define STRCAT_Z13 NULL
+#endif
ifeq ($(subdir),string)
-sysdep_routines += strcat strcat-vx strcat-c \
- strncat strncat-vx strncat-c \
+sysdep_routines += strncat strncat-vx strncat-c \
strcmp strcmp-vx \
strncmp strncmp-vx strncmp-c \
strchr strchr-vx strchr-c \
#include <ifunc-stpcpy.h>
#include <ifunc-strncpy.h>
#include <ifunc-stpncpy.h>
+#include <ifunc-strcat.h>
/* Maximum number of IFUNC implementations. */
#define MAX_IFUNC 3
)
#endif /* HAVE_STPNCPY_IFUNC */
+#if HAVE_STRCAT_IFUNC
+ IFUNC_IMPL (i, name, strcat,
+# if HAVE_STRCAT_Z13
+ IFUNC_IMPL_ADD (array, i, strcat,
+ dl_hwcap & HWCAP_S390_VX, STRCAT_Z13)
+# endif
+# if HAVE_STRCAT_C
+ IFUNC_IMPL_ADD (array, i, strcat, 1, STRCAT_C)
+# endif
+ )
+#endif /* HAVE_STRCAT_IFUNC */
#ifdef HAVE_S390_VX_ASM_SUPPORT
IFUNC_VX_IMPL (wcpncpy);
- IFUNC_VX_IMPL (strcat);
IFUNC_VX_IMPL (wcscat);
IFUNC_VX_IMPL (strncat);
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 STRCAT __strcat_c
-# ifdef SHARED
-# undef libc_hidden_builtin_def
-# define libc_hidden_builtin_def(name) \
- __hidden_ver1 (__strcat_c, __GI_strcat, __strcat_c);
-# endif /* SHARED */
+#include <ifunc-strcat.h>
+
+#if HAVE_STRCAT_C
+# if HAVE_STRCAT_IFUNC
+# define STRCAT STRCAT_C
+# if defined SHARED && IS_IN (libc)
+# undef libc_hidden_builtin_def
+# define libc_hidden_builtin_def(name) \
+ __hidden_ver1 (__strcat_c, __GI_strcat, __strcat_c);
+# endif
+# endif
# include <string/strcat.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-strcat.h>
+#if HAVE_STRCAT_Z13
# include "sysdep.h"
# include "asm-syntax.h"
-v17=index of zero
-v18=part of src
*/
-ENTRY(__strcat_vx)
+ENTRY(STRCAT_Z13)
.machine "z13"
.machinemode "zarch_nohighgprs"
vstl %v16,%r5,0(%r2) /* Copy characters including zero. */
lgr %r2,%r0 /* Load saved dest-ptr. */
br %r14
-END(__strcat_vx)
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
+END(STRCAT_Z13)
+
+# if ! HAVE_STRCAT_IFUNC
+strong_alias (STRCAT_Z13, strcat)
+# endif
+
+# if ! HAVE_STRCAT_C && defined SHARED && IS_IN (libc)
+strong_alias (STRCAT_Z13, __GI_strcat)
+# 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-strcat.h>
+
+#if HAVE_STRCAT_IFUNC
# define strcat __redirect_strcat
# include <string.h>
# undef strcat
# include <ifunc-resolve.h>
-s390_vx_libc_ifunc2_redirected (__redirect_strcat, __strcat, strcat)
+# if HAVE_STRCAT_C
+extern __typeof (__redirect_strcat) STRCAT_C attribute_hidden;
+# endif
+
+# if HAVE_STRCAT_Z13
+extern __typeof (__redirect_strcat) STRCAT_Z13 attribute_hidden;
+# endif
-#else
-# include <string/strcat.c>
-#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
+s390_libc_ifunc_expr (__redirect_strcat, strcat,
+ (HAVE_STRCAT_Z13 && (hwcap & HWCAP_S390_VX))
+ ? STRCAT_Z13
+ : STRCAT_DEFAULT
+ )
+#endif
projects / thirdparty / glibc.git / commitdiff
