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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.  */