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authorAndreas Jaeger <aj@suse.de>2000-08-02 15:15:00 +0000
committerAndreas Jaeger <aj@suse.de>2000-08-02 15:15:00 +0000
commit847b055c6567cbe6e154b2006a0a77ed0f48d623 (patch)
treedda802aa998b6d196d48893932488d2906724f5d /sysdeps/s390/bits/string.h
parent9016e55cb809f98e9fd890010ca1eaf35fd616a2 (diff)
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Update.
2000-08-02 Andreas Jaeger <aj@suse.de> * sysdeps/unix/sysv/linux/s390/Dist: New file. * sysdeps/unix/sysv/linux/s390/sysdep.h: New file. * sysdeps/unix/sysv/linux/s390/sysdep.S: New file. * sysdeps/unix/sysv/linux/s390/syscall.S: New file. * sysdeps/unix/sysv/linux/s390/sys/user.h: New file. * sysdeps/unix/sysv/linux/s390/sys/ucontext.h: New file. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h: New file. * sysdeps/unix/sysv/linux/s390/sys/elf.h: New file. * sysdeps/unix/sysv/linux/s390/socket.S: New file. * sysdeps/unix/sysv/linux/s390/sigcontextinfo.h: New file. * sysdeps/unix/sysv/linux/s390/shmctl.c: New file. * sysdeps/unix/sysv/linux/s390/setreuid.c: New file. * sysdeps/unix/sysv/linux/s390/setresuid.c: New file. * sysdeps/unix/sysv/linux/s390/setresgid.c: New file. * sysdeps/unix/sysv/linux/s390/setregid.c: New file. * sysdeps/unix/sysv/linux/s390/setgroups.c: New file. * sysdeps/unix/sysv/linux/s390/setgid.c: New file. * sysdeps/unix/sysv/linux/s390/setfsuid.c: New file. * sysdeps/unix/sysv/linux/s390/setfsgid.c: New file. * sysdeps/unix/sysv/linux/s390/seteuid.c: New file. * sysdeps/unix/sysv/linux/s390/setegid.c: New file. * sysdeps/unix/sysv/linux/s390/semctl.c: New file. * sysdeps/unix/sysv/linux/s390/register-dump.h: New file. * sysdeps/unix/sysv/linux/s390/putpmsg.c: New file. * sysdeps/unix/sysv/linux/s390/putmsg.c: New file. * sysdeps/unix/sysv/linux/s390/profil-counter.h: New file. * sysdeps/unix/sysv/linux/s390/msgctl.c: New file. * sysdeps/unix/sysv/linux/s390/mmap.S: New file. * sysdeps/unix/sysv/linux/s390/getuid.c: New file. * sysdeps/unix/sysv/linux/s390/getresuid.c: New file. * sysdeps/unix/sysv/linux/s390/getresgid.c: New file. * sysdeps/unix/sysv/linux/s390/getpmsg.c: New file. * sysdeps/unix/sysv/linux/s390/getmsg.c: New file. * sysdeps/unix/sysv/linux/s390/getgroups.c: New file. * sysdeps/unix/sysv/linux/s390/getegid.c: New file. * sysdeps/unix/sysv/linux/s390/geteuid.c: New file. * sysdeps/unix/sysv/linux/s390/fchown.c: New file. * sysdeps/unix/sysv/linux/s390/clone.S: New file. * sysdeps/unix/sysv/linux/s390/brk.c: New file. * sysdeps/unix/sysv/linux/s390/bits/time.h: New file. * sysdeps/unix/sysv/linux/s390/bits/resource.h: New file. * sysdeps/unix/sysv/linux/s390/bits/mman.h: New file. * sysdeps/unix/sysv/linux/s390/bits/fcntl.h: New file. * sysdeps/unix/sysv/linux/s390/Makefile: New file. * sysdeps/s390/sysdep.h: New file. * sysdeps/s390/sys/ucontext.h: New file. * sysdeps/s390/sub_n.S: New file. * sysdeps/s390/strncpy.S: New file. * sysdeps/s390/strcpy.S: New file. * sysdeps/s390/stackinfo.h: New file. * sysdeps/s390/setjmp.S: New file. * sysdeps/s390/s390-mcount.S: New file. * sysdeps/s390/mul_1.S: New file. * sysdeps/s390/memusage.h: New file. * sysdeps/s390/memset.S: New file. * sysdeps/s390/memcpy.S: New file. * sysdeps/s390/memchr.S: New file. * sysdeps/s390/machine-gmon.h: New file. * sysdeps/s390/ldbl2mpn.c: New file. * sysdeps/s390/gmp-mparam.h: New file. * sysdeps/s390/fpu/fpu_control.h: New file. * sysdeps/s390/fpu/fesetround.c: New file. * sysdeps/s390/fpu/fegetround.c: New file. * sysdeps/s390/fpu/fclrexcpt.c: New file. * sysdeps/s390/fpu/bits/fenv.h: New file. * sysdeps/s390/ffs.c: New file. * sysdeps/s390/elf/start.S: New file. * sysdeps/s390/elf/setjmp.S: New file. * sysdeps/s390/elf/bsd-setjmp.S: New file. * sysdeps/s390/elf/bsd-_setjmp.S: New file. * sysdeps/s390/dl-machine.h: New file. * sysdeps/s390/bzero.S: New file. * sysdeps/s390/bsd-setjmp.S: New file. * sysdeps/s390/bsd-_setjmp.S: New file. * sysdeps/s390/bits/string.h: New file. * sysdeps/s390/bits/setjmp.h: New file. * sysdeps/s390/bits/huge_val.h: New file. * sysdeps/s390/bits/endian.h: New file. * sysdeps/s390/bits/byteswap.h: New file. * sysdeps/s390/bcopy.S: New file. * sysdeps/s390/backtrace.c: New file. * sysdeps/s390/atomicity.h: New file. * sysdeps/s390/asm-syntax.h: New file. * sysdeps/s390/addmul_1.S: New file. * sysdeps/s390/add_n.S: New file. * sysdeps/s390/abort-instr.h: New file. * sysdeps/s390/__longjmp.c: New file. * sysdeps/s390/Makefile: New file. * sysdeps/s390/Implies: New file. * sysdeps/s390/Dist: New file. Patches by Martin Schwidefsky <schwidefsky@de.ibm.com>.
Diffstat (limited to 'sysdeps/s390/bits/string.h')
-rw-r--r--sysdeps/s390/bits/string.h140
1 files changed, 140 insertions, 0 deletions
diff --git a/sysdeps/s390/bits/string.h b/sysdeps/s390/bits/string.h
new file mode 100644
index 0000000000..4aeb146f3e
--- /dev/null
+++ b/sysdeps/s390/bits/string.h
@@ -0,0 +1,140 @@
+/* Optimized, inlined string functions. s390 version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _STRING_H
+# error "Never use <bits/string.h> directly; include <string.h> instead."
+#endif
+
+/* The s390 processors can access unaligned multi-byte variables. */
+#define _STRING_ARCH_unaligned 1
+
+
+/* We only provide optimizations if the user selects them and if
+ GNU CC is used. */
+#if !defined __NO_STRING_INLINES && defined __USE_STRING_INLINES \
+ && defined __GNUC__ && __GNUC__ >= 2
+
+#ifdef __cplusplus
+# define __STRING_INLINE inline
+#else
+# define __STRING_INLINE extern __inline
+#endif
+
+#define _HAVE_STRING_ARCH_strlen 1
+__STRING_INLINE size_t
+strlen (__const char *__str)
+{
+ size_t __len;
+
+ __asm__ __volatile__ (" sr 0,0\n"
+ " lr %0,%1\n"
+ "0: srst 0,%0\n"
+ " jo 0b\n"
+ " lr %0,0\n"
+ " sr %0,%1"
+ : "=&a" (__len) : "a" (__str)
+ : "cc", "0" );
+ return __len;
+}
+
+/* Copy SRC to DEST. */
+#define _HAVE_STRING_ARCH_strcpy 1
+__STRING_INLINE char *
+strcpy (char *__dest, __const char *__src)
+{
+ char *tmp = __dest;
+
+ __asm__ __volatile__ (" sr 0,0\n"
+ "0: mvst %0,%1\n"
+ " jo 0b"
+ : "+&a" (__dest), "+&a" (__src) :
+ : "cc", "memory", "0" );
+ return tmp;
+}
+
+#define _HAVE_STRING_ARCH_strncpy 1
+__STRING_INLINE char *
+strncpy (char *__dest, __const char *__src, size_t __n)
+{
+ char *tmp = __dest;
+
+ if (__n <= 0)
+ return tmp;
+ __asm__ __volatile (" slr %0,%1\n"
+ "0: icm 0,1,0(%1)\n"
+ " stc 0,0(%0,%1)\n"
+ " jz 2f\n"
+ " la %1,1(%1)\n"
+ " brct %2,0b\n"
+ " j 3f\n"
+ "1: la %1,1(%1)\n"
+ " stc 0,0(%0,%1)\n"
+ "2: brct %2,1b\n"
+ "3:"
+ : "+&a" (__dest), "+&a" (__src), "+&d" (__n) :
+ : "cc", "memory", "0" );
+ return tmp;
+}
+
+/* Append SRC onto DEST. */
+#define _HAVE_STRING_ARCH_strcat 1
+__STRING_INLINE char *
+strcat(char *__dest, const char *__src)
+{
+ char *tmp = __dest;
+
+ __asm__ __volatile__ (" sr 0,0\n"
+ "0: srst 0,%0\n"
+ " jo 0b\n"
+ " lr %0,0\n"
+ " sr 0,0\n"
+ "1: mvst %0,%1\n"
+ " jo 1b"
+ : "+&a" (__dest), "+&a" (__src) :
+ : "cc", "memory", "0" );
+ return tmp;
+}
+
+/* Append no more than N characters from SRC onto DEST. */
+#define _HAVE_STRING_ARCH_strncat 1
+__STRING_INLINE char *
+strncat (char *__dest, __const char *__src, size_t __n)
+{
+ char *tmp = __dest;
+
+ if (__n <= 0)
+ return tmp;
+ __asm__ __volatile__ (" sr 0,0\n"
+ "0: srst 0,%0\n"
+ " jo 0b\n"
+ " lr %0,0\n"
+ " slr %0,%1\n"
+ "1: icm 0,1,0(%1)\n"
+ " stc 0,0(%0,%1)\n"
+ " jz 2f\n"
+ " la %1,1(%1)\n"
+ " brct %2,1b\n"
+ "2:"
+ : "+&a" (__dest), "+&a" (__src), "+&d" (__n) :
+ : "cc", "memory", "0" );
+ return tmp;
+}
+
+#endif /* Use string inlines && GNU CC. */