+2018-12-18 Stefan Liebler <stli@linux.ibm.com>
+
+ * sysdeps/s390/multiarch/Makefile
+ (sysdep_routines): Remove strcpy variants.
+ * sysdeps/s390/Makefile (sysdep_routines): Add strcpy variants.
+ * sysdeps/s390/multiarch/ifunc-impl-list.c
+ (__libc_ifunc_impl_list): Refactor ifunc handling for strcpy.
+ * sysdeps/s390/multiarch/strcpy-vx.S: Move to ...
+ * sysdeps/s390/strcpy-vx.S: ... here and adjust ifunc handling.
+ * sysdeps/s390/multiarch/strcpy.c: Move to ...
+ * sysdeps/s390/strcpy.c: ... here and adjust ifunc handling.
+ * sysdeps/s390/ifunc-strcpy.h: New file.
+ * sysdeps/s390/s390-64/strcpy.S: Move to ...
+ * sysdeps/s390/strcpy-z900.S: ... here and adjust to be usable
+ for 31/64bit and ifunc handling.
+ * sysdeps/s390/s390-32/multiarch/strcpy.c: Delete file.
+ * sysdeps/s390/s390-64/multiarch/strcpy.c: Likewise.
+ * sysdeps/s390/s390-32/strcpy.S: Likewise.
+
2018-12-18 Stefan Liebler <stli@linux.ibm.com>
* sysdeps/s390/multiarch/Makefile
strstr strstr-vx strstr-c \
memmem memmem-vx memmem-c \
strlen strlen-vx strlen-c \
- strnlen strnlen-vx strnlen-c
+ strnlen strnlen-vx strnlen-c \
+ strcpy strcpy-vx strcpy-z900
endif
--- /dev/null
+/* strcpy 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_STRCPY_IFUNC 1
+#else
+# define HAVE_STRCPY_IFUNC 0
+#endif
+
+#ifdef HAVE_S390_VX_ASM_SUPPORT
+# define HAVE_STRCPY_IFUNC_AND_VX_SUPPORT HAVE_STRCPY_IFUNC
+#else
+# define HAVE_STRCPY_IFUNC_AND_VX_SUPPORT 0
+#endif
+
+#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
+# define STRCPY_DEFAULT STRCPY_Z13
+# define HAVE_STRCPY_Z900_G5 0
+# define HAVE_STRCPY_Z13 1
+#else
+# define STRCPY_DEFAULT STRCPY_Z900_G5
+# define HAVE_STRCPY_Z900_G5 1
+# define HAVE_STRCPY_Z13 HAVE_STRCPY_IFUNC_AND_VX_SUPPORT
+#endif
+
+#if HAVE_STRCPY_Z900_G5
+# define STRCPY_Z900_G5 __strcpy_default
+#else
+# define STRCPY_Z900_G5 NULL
+#endif
+
+#if HAVE_STRCPY_Z13
+# define STRCPY_Z13 __strcpy_vx
+#else
+# define STRCPY_Z13 NULL
+#endif
ifeq ($(subdir),string)
-sysdep_routines += strcpy strcpy-vx \
- stpcpy stpcpy-vx stpcpy-c \
+sysdep_routines += stpcpy stpcpy-vx stpcpy-c \
strncpy strncpy-vx \
stpncpy stpncpy-vx stpncpy-c \
strcat strcat-vx strcat-c \
#include <ifunc-memmem.h>
#include <ifunc-strlen.h>
#include <ifunc-strnlen.h>
+#include <ifunc-strcpy.h>
/* Maximum number of IFUNC implementations. */
#define MAX_IFUNC 3
)
#endif /* HAVE_STRNLEN_IFUNC */
+#if HAVE_STRCPY_IFUNC
+ IFUNC_IMPL (i, name, strcpy,
+# if HAVE_STRCPY_Z13
+ IFUNC_IMPL_ADD (array, i, strcpy,
+ dl_hwcap & HWCAP_S390_VX, STRCPY_Z13)
+# endif
+# if HAVE_STRCPY_Z900_G5
+ IFUNC_IMPL_ADD (array, i, strcpy, 1, STRCPY_Z900_G5)
+# endif
+ )
+#endif /* HAVE_STRCPY_IFUNC */
+
#ifdef HAVE_S390_VX_ASM_SUPPORT
# define IFUNC_VX_IMPL(FUNC) \
IFUNC_VX_IMPL (wcsnlen);
- IFUNC_VX_IMPL (strcpy);
IFUNC_VX_IMPL (wcscpy);
IFUNC_VX_IMPL (stpcpy);
+++ /dev/null
-/* Multiple versions of strcpy.
- Copyright (C) 2015-2018 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/>. */
-
-/* This wrapper-file is needed, because otherwise file
- sysdeps/s390/s390-[32|64]/strcpy.S will be used. */
-#include <sysdeps/s390/multiarch/strcpy.c>
+++ /dev/null
-/* strcpy - copy a string from source to destination. For IBM S390
- This file is part of the GNU C Library.
- Copyright (C) 2000-2018 Free Software Foundation, Inc.
- Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
-
- 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/>. */
-
-/*
- * R2 = address of destination
- * R3 = address of source
- */
-
-#include "sysdep.h"
-#include "asm-syntax.h"
-
- .text
-ENTRY(strcpy)
- slr %r0,%r0
- lr %r1,%r2
-0: mvst %r1,%r3
- jo 0b
- br %r14
-END(strcpy)
-libc_hidden_builtin_def (strcpy)
+++ /dev/null
-/* Multiple versions of strcpy.
- Copyright (C) 2015-2018 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/>. */
-
-/* This wrapper-file is needed, because otherwise file
- sysdeps/s390/s390-[32|64]/strcpy.S will be used. */
-#include <sysdeps/s390/multiarch/strcpy.c>
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 "sysdep.h"
-# include "asm-syntax.h"
+#include <ifunc-strcpy.h>
+#include "sysdep.h"
+#include "asm-syntax.h"
.text
+#if HAVE_STRCPY_Z13
/* char * strcpy (const char *dest, const char *src)
Copy string src to dest.
-v17=index of zero
-v18=part of src
*/
-ENTRY(__strcpy_vx)
+ENTRY(STRCPY_Z13)
.machine "z13"
.machinemode "zarch_nohighgprs"
.Lfound_align:
vstl %v16,%r5,0(%r2) /* Copy characters including zero. */
br %r14
-END(__strcpy_vx)
+END(STRCPY_Z13)
-/* Use mvst-strcpy-implementation as default implementation. */
-# define strcpy __strcpy_c
-# undef libc_hidden_builtin_def
-# define libc_hidden_builtin_def(name) strong_alias(__strcpy_c, __GI_strcpy)
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
+# if ! HAVE_STRCPY_IFUNC
+strong_alias (STRCPY_Z13, strcpy)
+# endif
-/* Include mvst-strcpy-implementation in s390-32/s390-64 subdirectory. */
-#include <strcpy.S>
+# if ! HAVE_STRCPY_Z900_G5 && defined SHARED && IS_IN (libc)
+strong_alias (STRCPY_Z13, __GI_strcpy)
+# endif
+#endif
-/* strcpy - copy a string from source to destination. 64 bit S/390 version.
+/* strcpy - copy a string from source to destination. 64/31 bit S/390 version.
Copyright (C) 2001-2018 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library.
%r2 = address of destination
%r3 = address of source. */
+#include <ifunc-strcpy.h>
#include "sysdep.h"
#include "asm-syntax.h"
+#if HAVE_STRCPY_Z900_G5
+# if defined __s390x__
+# define SLGR slgr
+# define LGR lgr
+# else
+# define SLGR slr
+# define LGR lr
+# endif /* ! defined __s390x__ */
+
.text
-ENTRY(strcpy)
- slgr %r0,%r0
- lgr %r1,%r2
+ENTRY(STRCPY_Z900_G5)
+ SLGR %r0,%r0
+ LGR %r1,%r2
0: mvst %r1,%r3
jo 0b
br %r14
-END(strcpy)
-libc_hidden_builtin_def (strcpy)
+END(STRCPY_Z900_G5)
+
+# undef SLGR
+# undef LGR
+
+# if ! HAVE_STRCPY_IFUNC
+strong_alias (STRCPY_Z900_G5, strcpy)
+# endif
+
+# if defined SHARED && IS_IN (libc)
+strong_alias (STRCPY_Z900_G5, __GI_strcpy)
+# 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-strcpy.h>
+
+#if HAVE_STRCPY_IFUNC
# define strcpy __redirect_strcpy
# include <string.h>
# undef strcpy
# include <ifunc-resolve.h>
-s390_vx_libc_ifunc2_redirected (__redirect_strcpy, __strcpy, strcpy)
+# if HAVE_STRCPY_Z900_G5
+extern __typeof (__redirect_strcpy) STRCPY_Z900_G5 attribute_hidden;
+# endif
+
+# if HAVE_STRCPY_Z13
+extern __typeof (__redirect_strcpy) STRCPY_Z13 attribute_hidden;
+# endif
+s390_libc_ifunc_expr (__redirect_strcpy, strcpy,
+ (HAVE_STRCPY_Z13 && (hwcap & HWCAP_S390_VX))
+ ? STRCPY_Z13
+ : STRCPY_DEFAULT
+ )
#endif
projects / thirdparty / glibc.git / commitdiff
