diff options
Diffstat (limited to 'lib/libc/i386/string')
| -rw-r--r-- | lib/libc/i386/string/Makefile.inc | 6 | ||||
| -rw-r--r-- | lib/libc/i386/string/bcmp.S | 70 | ||||
| -rw-r--r-- | lib/libc/i386/string/bcopy.S | 103 | ||||
| -rw-r--r-- | lib/libc/i386/string/bzero.S | 87 | ||||
| -rw-r--r-- | lib/libc/i386/string/ffs.S | 59 | ||||
| -rw-r--r-- | lib/libc/i386/string/index.S | 69 | ||||
| -rw-r--r-- | lib/libc/i386/string/memchr.S | 64 | ||||
| -rw-r--r-- | lib/libc/i386/string/memcmp.S | 81 | ||||
| -rw-r--r-- | lib/libc/i386/string/memcpy.S | 2 | ||||
| -rw-r--r-- | lib/libc/i386/string/memmove.S | 2 | ||||
| -rw-r--r-- | lib/libc/i386/string/memset.S | 95 | ||||
| -rw-r--r-- | lib/libc/i386/string/rindex.S | 70 | ||||
| -rw-r--r-- | lib/libc/i386/string/strcat.S | 106 | ||||
| -rw-r--r-- | lib/libc/i386/string/strchr.S | 69 | ||||
| -rw-r--r-- | lib/libc/i386/string/strcmp.S | 125 | ||||
| -rw-r--r-- | lib/libc/i386/string/strcpy.S | 95 | ||||
| -rw-r--r-- | lib/libc/i386/string/strlen.S | 59 | ||||
| -rw-r--r-- | lib/libc/i386/string/strncmp.S | 172 | ||||
| -rw-r--r-- | lib/libc/i386/string/strrchr.S | 70 | ||||
| -rw-r--r-- | lib/libc/i386/string/swab.S | 105 |
20 files changed, 0 insertions, 1509 deletions
diff --git a/lib/libc/i386/string/Makefile.inc b/lib/libc/i386/string/Makefile.inc deleted file mode 100644 index 0a3ccdb..0000000 --- a/lib/libc/i386/string/Makefile.inc +++ /dev/null @@ -1,6 +0,0 @@ -# @(#)Makefile.inc 8.1 (Berkeley) 6/4/93 -# $Id: Makefile.inc,v 1.7 1997/04/20 12:46:11 bde Exp $ - -MDSRCS+=bcmp.S bcopy.S bzero.S ffs.S index.S memchr.S memcmp.S memcpy.S \ - memmove.S memset.S rindex.S strcat.S strchr.S strcmp.S strcpy.S \ - strlen.S strncmp.S strrchr.S swab.S diff --git a/lib/libc/i386/string/bcmp.S b/lib/libc/i386/string/bcmp.S deleted file mode 100644 index 1c0c934..0000000 --- a/lib/libc/i386/string/bcmp.S +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * bcmp (void *b1, void *b2, size_t len) - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(bcmp) - pushl %edi - pushl %esi - movl 12(%esp),%edi - movl 16(%esp),%esi - xorl %eax,%eax /* clear return value */ - cld /* set compare direction forward */ - - movl 20(%esp),%ecx /* compare by words */ - shrl $2,%ecx - repe - cmpsl - jne L1 - - movl 20(%esp),%ecx /* compare remainder by bytes */ - andl $3,%ecx - repe - cmpsb - je L2 - -L1: incl %eax -L2: popl %esi - popl %edi - ret diff --git a/lib/libc/i386/string/bcopy.S b/lib/libc/i386/string/bcopy.S deleted file mode 100644 index d2a571e..0000000 --- a/lib/libc/i386/string/bcopy.S +++ /dev/null @@ -1,103 +0,0 @@ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from locore.s. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <machine/asm.h> - - RCSID("$NetBSD: bcopy.S,v 1.6 1996/11/12 00:50:06 jtc Exp $") - - /* - * (ov)bcopy (src,dst,cnt) - * ws@tools.de (Wolfgang Solfrank, TooLs GmbH) +49-228-985800 - */ - -#ifdef MEMCOPY -ENTRY(memcpy) -#else -#ifdef MEMMOVE -ENTRY(memmove) -#else -ENTRY(bcopy) -#endif -#endif - pushl %esi - pushl %edi -#if defined(MEMCOPY) || defined(MEMMOVE) - movl 12(%esp),%edi - movl 16(%esp),%esi -#else - movl 12(%esp),%esi - movl 16(%esp),%edi -#endif - movl 20(%esp),%ecx - movl %edi,%eax - subl %esi,%eax - cmpl %ecx,%eax /* overlapping? */ - jb 1f - cld /* nope, copy forwards. */ - shrl $2,%ecx /* copy by words */ - rep - movsl - movl 20(%esp),%ecx - andl $3,%ecx /* any bytes left? */ - rep - movsb -#if defined(MEMCOPY) || defined(MEMMOVE) - movl 12(%esp),%eax -#endif - popl %edi - popl %esi - ret -1: - addl %ecx,%edi /* copy backwards. */ - addl %ecx,%esi - std - andl $3,%ecx /* any fractional bytes? */ - decl %edi - decl %esi - rep - movsb - movl 20(%esp),%ecx /* copy remainder by words */ - shrl $2,%ecx - subl $3,%esi - subl $3,%edi - rep - movsl -#if defined(MEMCOPY) || defined(MEMMOVE) - movl 12(%esp),%eax -#endif - popl %edi - popl %esi - cld - ret diff --git a/lib/libc/i386/string/bzero.S b/lib/libc/i386/string/bzero.S deleted file mode 100644 index 8cc8f9f..0000000 --- a/lib/libc/i386/string/bzero.S +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * bzero (void *b, size_t len) - * write len zero bytes to the string b. - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(bzero) - pushl %edi - pushl %ebx - movl 12(%esp),%edi - movl 16(%esp),%ecx - - cld /* set fill direction forward */ - xorl %eax,%eax /* set fill data to 0 */ - - /* - * if the string is too short, it's really not worth the overhead - * of aligning to word boundries, etc. So we jump to a plain - * unaligned set. - */ - cmpl $0x0f,%ecx - jle L1 - - movl %edi,%edx /* compute misalignment */ - negl %edx - andl $3,%edx - movl %ecx,%ebx - subl %edx,%ebx - - movl %edx,%ecx /* zero until word aligned */ - rep - stosb - - movl %ebx,%ecx /* zero by words */ - shrl $2,%ecx - rep - stosl - - movl %ebx,%ecx - andl $3,%ecx /* zero remainder by bytes */ -L1: rep - stosb - - popl %ebx - popl %edi - ret diff --git a/lib/libc/i386/string/ffs.S b/lib/libc/i386/string/ffs.S deleted file mode 100644 index 084115b..0000000 --- a/lib/libc/i386/string/ffs.S +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * ffs(value) - * finds the first bit set in value and returns the index of - * that bit. Bits are numbered starting from 1, starting at the - * rightmost bit. A return value of 0 means that the argument - * was zero. - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(ffs) - bsfl 4(%esp),%eax - jz L1 /* ZF is set if all bits are 0 */ - incl %eax /* bits numbered from 1, not 0 */ - ret - - .align 2 -L1: xorl %eax,%eax /* clear result */ - ret diff --git a/lib/libc/i386/string/index.S b/lib/libc/i386/string/index.S deleted file mode 100644 index 0a6c6a3..0000000 --- a/lib/libc/i386/string/index.S +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * index(s, c) - * return a pointer to the first occurance of the character c in - * string s, or NULL if c does not occur in the string. - * - * %edx - pointer iterating through string - * %eax - pointer to first occurance of 'c' - * %cl - character we're comparing against - * %bl - character at %edx - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(index) - pushl %ebx - movl 8(%esp),%eax - movb 12(%esp),%cl - .align 2,0x90 -L1: - movb (%eax),%bl - cmpb %bl,%cl /* found char??? */ - je L2 - incl %eax - testb %bl,%bl /* null terminator??? */ - jne L1 - xorl %eax,%eax -L2: - popl %ebx - ret diff --git a/lib/libc/i386/string/memchr.S b/lib/libc/i386/string/memchr.S deleted file mode 100644 index cc2dc76..0000000 --- a/lib/libc/i386/string/memchr.S +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * memchr (b, c, len) - * locates the first occurance of c in string b. - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(memchr) - pushl %edi - movl 8(%esp),%edi /* string address */ - movl 12(%esp),%eax /* set character to search for */ - movl 16(%esp),%ecx /* set length of search */ - testl %esp,%esp /* clear Z flag, for len == 0 */ - cld /* set search forward */ - repne /* search! */ - scasb - jnz L1 /* scan failed, return null */ - leal -1(%edi),%eax /* adjust result of scan */ - popl %edi - ret - .align 2,0x90 -L1: xorl %eax,%eax - popl %edi - ret diff --git a/lib/libc/i386/string/memcmp.S b/lib/libc/i386/string/memcmp.S deleted file mode 100644 index a362533..0000000 --- a/lib/libc/i386/string/memcmp.S +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * memcmp (void *b1, void *b2, size_t len) - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(memcmp) - pushl %edi - pushl %esi - movl 12(%esp),%edi - movl 16(%esp),%esi - cld /* set compare direction forward */ - - movl 20(%esp),%ecx /* compare by words */ - shrl $2,%ecx - repe - cmpsl - jne L5 /* do we match so far? */ - - movl 20(%esp),%ecx /* compare remainder by bytes */ - andl $3,%ecx - repe - cmpsb - jne L6 /* do we match? */ - - xorl %eax,%eax /* we match, return zero */ - popl %esi - popl %edi - ret - -L5: movl $4,%ecx /* We know that one of the next */ - subl %ecx,%edi /* four pairs of bytes do not */ - subl %ecx,%esi /* match. */ - repe - cmpsb -L6: movzbl -1(%edi),%eax /* Perform unsigned comparison */ - movzbl -1(%esi),%edx - subl %edx,%eax - popl %esi - popl %edi - ret diff --git a/lib/libc/i386/string/memcpy.S b/lib/libc/i386/string/memcpy.S deleted file mode 100644 index 1617c71..0000000 --- a/lib/libc/i386/string/memcpy.S +++ /dev/null @@ -1,2 +0,0 @@ -#define MEMCOPY -#include "bcopy.S" diff --git a/lib/libc/i386/string/memmove.S b/lib/libc/i386/string/memmove.S deleted file mode 100644 index f5a94ed..0000000 --- a/lib/libc/i386/string/memmove.S +++ /dev/null @@ -1,2 +0,0 @@ -#define MEMMOVE -#include "bcopy.S" diff --git a/lib/libc/i386/string/memset.S b/lib/libc/i386/string/memset.S deleted file mode 100644 index 5db1661..0000000 --- a/lib/libc/i386/string/memset.S +++ /dev/null @@ -1,95 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * memset(void *b, int c, size_t len) - * write len bytes of value c (converted to an unsigned char) to - * the string b. - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(memset) - pushl %edi - pushl %ebx - movl 12(%esp),%edi - movzbl 16(%esp),%eax /* unsigned char, zero extend */ - movl 20(%esp),%ecx - pushl %edi /* push address of buffer */ - - cld /* set fill direction forward */ - - /* - * if the string is too short, it's really not worth the overhead - * of aligning to word boundries, etc. So we jump to a plain - * unaligned set. - */ - cmpl $0x0f,%ecx - jle L1 - - movb %al,%ah /* copy char to all bytes in word */ - movl %eax,%edx - sall $16,%eax - orl %edx,%eax - - movl %edi,%edx /* compute misalignment */ - negl %edx - andl $3,%edx - movl %ecx,%ebx - subl %edx,%ebx - - movl %edx,%ecx /* set until word aligned */ - rep - stosb - - movl %ebx,%ecx - shrl $2,%ecx /* set by words */ - rep - stosl - - movl %ebx,%ecx /* set remainder by bytes */ - andl $3,%ecx -L1: rep - stosb - - popl %eax /* pop address of buffer */ - popl %ebx - popl %edi - ret diff --git a/lib/libc/i386/string/rindex.S b/lib/libc/i386/string/rindex.S deleted file mode 100644 index 6e023d1..0000000 --- a/lib/libc/i386/string/rindex.S +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * rindex(s, c) - * return a pointer to the last occurance of the character c in - * string s, or NULL if c does not occur in the string. - * - * %edx - pointer iterating through string - * %eax - pointer to last occurance of 'c' - * %cl - character we're comparing against - * %bl - character at %edx - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(rindex) - pushl %ebx - movl 8(%esp),%edx - movb 12(%esp),%cl - xorl %eax,%eax /* init pointer to null */ - .align 2,0x90 -L1: - movb (%edx),%bl - cmpb %bl,%cl - jne L2 - movl %edx,%eax -L2: - incl %edx - testb %bl,%bl /* null terminator??? */ - jne L1 - popl %ebx - ret diff --git a/lib/libc/i386/string/strcat.S b/lib/libc/i386/string/strcat.S deleted file mode 100644 index 9ec6053..0000000 --- a/lib/libc/i386/string/strcat.S +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * strcat(s, append) - * append a copy of the null-terminated string "append" to the end - * of the null-terminated string s, then add a terminating `\0'. - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -/* - * I've unrolled the loop eight times: large enough to make a - * significant difference, and small enough not to totally trash the - * cashe. - */ - -ENTRY(strcat) - pushl %edi /* save edi */ - movl 8(%esp),%edi /* dst address */ - movl 12(%esp),%edx /* src address */ - pushl %edi /* push destination address */ - - cld /* set search forward */ - xorl %eax,%eax /* set search for null terminator */ - movl $-1,%ecx /* set search for lots of characters */ - repne /* search! */ - scasb - - leal -1(%edi),%ecx /* correct dst address */ - - .align 2,0x90 -L1: movb (%edx),%al /* unroll loop, but not too much */ - movb %al,(%ecx) - testb %al,%al - je L2 - movb 1(%edx),%al - movb %al,1(%ecx) - testb %al,%al - je L2 - movb 2(%edx),%al - movb %al,2(%ecx) - testb %al,%al - je L2 - movb 3(%edx),%al - movb %al,3(%ecx) - testb %al,%al - je L2 - movb 4(%edx),%al - movb %al,4(%ecx) - testb %al,%al - je L2 - movb 5(%edx),%al - movb %al,5(%ecx) - testb %al,%al - je L2 - movb 6(%edx),%al - movb %al,6(%ecx) - testb %al,%al - je L2 - movb 7(%edx),%al - movb %al,7(%ecx) - addl $8,%edx - addl $8,%ecx - testb %al,%al - jne L1 -L2: popl %eax /* pop destination address */ - popl %edi /* restore edi */ - ret diff --git a/lib/libc/i386/string/strchr.S b/lib/libc/i386/string/strchr.S deleted file mode 100644 index a483edd..0000000 --- a/lib/libc/i386/string/strchr.S +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * strchr(s, c) - * return a pointer to the first occurance of the character c in - * string s, or NULL if c does not occur in the string. - * - * %edx - pointer iterating through string - * %eax - pointer to first occurance of 'c' - * %cl - character we're comparing against - * %bl - character at %edx - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(strchr) - pushl %ebx - movl 8(%esp),%eax - movb 12(%esp),%cl - .align 2,0x90 -L1: - movb (%eax),%bl - cmpb %bl,%cl /* found char??? */ - je L2 - incl %eax - testb %bl,%bl /* null terminator??? */ - jne L1 - xorl %eax,%eax -L2: - popl %ebx - ret diff --git a/lib/libc/i386/string/strcmp.S b/lib/libc/i386/string/strcmp.S deleted file mode 100644 index ecdb0b0..0000000 --- a/lib/libc/i386/string/strcmp.S +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * strcmp(s1, s2) - * return an integer greater than, equal to, or less than 0, - * according as string s1 is greater than, equal to, or less - * than the string s2. - * - * %eax - pointer to s1 - * %edx - pointer to s2 - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -/* - * I've unrolled the loop eight times: large enough to make a - * significant difference, and small enough not to totally trash the - * cashe. - */ - -ENTRY(strcmp) - movl 0x04(%esp),%eax - movl 0x08(%esp),%edx - jmp L2 /* Jump into the loop! */ - - .align 2,0x90 -L1: incl %eax - incl %edx -L2: movb (%eax),%cl - testb %cl,%cl - je L3 - cmpb %cl,(%edx) - jne L3 - incl %eax - incl %edx - movb (%eax),%cl - testb %cl,%cl - je L3 - cmpb %cl,(%edx) - jne L3 - incl %eax - incl %edx - movb (%eax),%cl - testb %cl,%cl - je L3 - cmpb %cl,(%edx) - jne L3 - incl %eax - incl %edx - movb (%eax),%cl - testb %cl,%cl - je L3 - cmpb %cl,(%edx) - jne L3 - incl %eax - incl %edx - movb (%eax),%cl - testb %cl,%cl - je L3 - cmpb %cl,(%edx) - jne L3 - incl %eax - incl %edx - movb (%eax),%cl - testb %cl,%cl - je L3 - cmpb %cl,(%edx) - jne L3 - incl %eax - incl %edx - movb (%eax),%cl - testb %cl,%cl - je L3 - cmpb %cl,(%edx) - jne L3 - incl %eax - incl %edx - movb (%eax),%cl - testb %cl,%cl - je L3 - cmpb %cl,(%edx) - je L1 - .align 2, 0x90 -L3: movzbl (%eax),%eax /* unsigned comparison */ - movzbl (%edx),%edx - subl %edx,%eax - ret diff --git a/lib/libc/i386/string/strcpy.S b/lib/libc/i386/string/strcpy.S deleted file mode 100644 index d8e673a..0000000 --- a/lib/libc/i386/string/strcpy.S +++ /dev/null @@ -1,95 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * strcpy (dst, src) - * copy the string src to dst. - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -/* - * I've unrolled the loop eight times: large enough to make a - * significant difference, and small enough not to totally trash the - * cashe. - */ - -ENTRY(strcpy) - movl 4(%esp),%ecx /* dst address */ - movl 8(%esp),%edx /* src address */ - pushl %ecx /* push dst address */ - - .align 2,0x90 -L1: movb (%edx),%al /* unroll loop, but not too much */ - movb %al,(%ecx) - testb %al,%al - je L2 - movb 1(%edx),%al - movb %al,1(%ecx) - testb %al,%al - je L2 - movb 2(%edx),%al - movb %al,2(%ecx) - testb %al,%al - je L2 - movb 3(%edx),%al - movb %al,3(%ecx) - testb %al,%al - je L2 - movb 4(%edx),%al - movb %al,4(%ecx) - testb %al,%al - je L2 - movb 5(%edx),%al - movb %al,5(%ecx) - testb %al,%al - je L2 - movb 6(%edx),%al - movb %al,6(%ecx) - testb %al,%al - je L2 - movb 7(%edx),%al - movb %al,7(%ecx) - addl $8,%edx - addl $8,%ecx - testb %al,%al - jne L1 -L2: popl %eax /* pop dst address */ - ret diff --git a/lib/libc/i386/string/strlen.S b/lib/libc/i386/string/strlen.S deleted file mode 100644 index 93190cf..0000000 --- a/lib/libc/i386/string/strlen.S +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * strlen (s) - * compute the length of the string s. - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(strlen) - pushl %edi - movl 8(%esp),%edi /* string address */ - cld /* set search forward */ - xorl %eax,%eax /* set search for null terminator */ - movl $-1,%ecx /* set search for lots of characters */ - repne /* search! */ - scasb - notl %ecx /* get length by taking complement */ - leal -1(%ecx),%eax /* and subtracting one */ - popl %edi - ret diff --git a/lib/libc/i386/string/strncmp.S b/lib/libc/i386/string/strncmp.S deleted file mode 100644 index 62686dc..0000000 --- a/lib/libc/i386/string/strncmp.S +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Copyright (c) 1993,94 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * strncmp(s1, s2, n) - * return an integer greater than, equal to, or less than 0, - * according as the first n characters of string s1 is greater - * than, equal to, or less than the string s2. - * - * %eax - pointer to s1 - * %ecx - pointer to s2 - * %edx - length - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -/* - * I've unrolled the loop eight times: large enough to make a - * significant difference, and small enough not to totally trash the - * cache. - * - * TODO: change all the jz's back to je for consistency. - */ - -ENTRY(strncmp) - pushl %ebx - movl 8(%esp),%eax - movl 12(%esp),%ecx - movl 16(%esp),%edx - testl %edx,%edx - jmp L2 /* Jump into the loop! */ - - .align 2,0x90 -L1: incl %eax - incl %ecx - decl %edx -L2: jz L4 /* strings are equal */ - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - -/* - * XXX it might be best to move the next 4 instructions to the end of the - * unrolled part of the loop. The unrolled part would then be - * movb n(%eax),%bl; testb %bl, %bl; je L3; cmpb n(%ecx); jne L3 - * or maybe better - * movb n(%eax),%bl; cmpb n(%ecx); jne L3; testb %bl,%bl; je return_0 - * for n = 0, 1, ..., 8. The end of the loop would be - * L1: addl $8,%eax; addl $8,%ecx; subl $8,%edx; cmpl $8,%edx; jae Lx - * where residual counts of 0 to 7 are handled at Lx. However, this would - * be slower for short strings. Cache effects are probably not so - * important because we are only handling a byte at a time. - */ - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - je L1 - - .align 2,0x90 -L3: movzbl (%eax),%eax /* unsigned comparison */ - movzbl (%ecx),%ecx - subl %ecx,%eax - popl %ebx - ret - .align 2,0x90 -L4: xorl %eax,%eax - popl %ebx - ret diff --git a/lib/libc/i386/string/strrchr.S b/lib/libc/i386/string/strrchr.S deleted file mode 100644 index 0cc08d7..0000000 --- a/lib/libc/i386/string/strrchr.S +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (c) 1993 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" - -/* - * strrchr(s, c) - * return a pointer to the last occurance of the character c in - * string s, or NULL if c does not occur in the string. - * - * %edx - pointer iterating through string - * %eax - pointer to last occurance of 'c' - * %cl - character we're comparing against - * %bl - character at %edx - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(strrchr) - pushl %ebx - movl 8(%esp),%edx - movb 12(%esp),%cl - xorl %eax,%eax /* init pointer to null */ - .align 2,0x90 -L1: - movb (%edx),%bl - cmpb %bl,%cl - jne L2 - movl %edx,%eax -L2: - incl %edx - testb %bl,%bl /* null terminator??? */ - jne L1 - popl %ebx - ret diff --git a/lib/libc/i386/string/swab.S b/lib/libc/i386/string/swab.S deleted file mode 100644 index 717b7a2..0000000 --- a/lib/libc/i386/string/swab.S +++ /dev/null @@ -1,105 +0,0 @@ -/* - * Copyright (c) 1993,94 Winning Strategies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Winning Strategies, Inc. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif - -#include "DEFS.h" - -/* - * void - * swab (const void *src, void *dst, size_t len) - * copy len bytes from src to dst, swapping adjacent bytes - * - * On the i486, this code is negligibly faster than the code generated - * by gcc at about half the size. If my i386 databook is correct, it - * should be considerably faster than the gcc code on a i386. - * - * Written by: - * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. - */ - -ENTRY(swab) - pushl %esi - pushl %edi - movl 12(%esp),%esi - movl 16(%esp),%edi - movl 20(%esp),%ecx - - cld # set direction forward - - shrl $1,%ecx - testl $7,%ecx # copy first group of 1 to 7 words - jz L2 # while swaping alternate bytes. - .align 2,0x90 -L1: lodsw - rorw $8,%ax - stosw - decl %ecx - testl $7,%ecx - jnz L1 - -L2: shrl $3,%ecx # copy remainder 8 words at a time - jz L4 # while swapping alternate bytes. - .align 2,0x90 -L3: lodsw - rorw $8,%ax - stosw - lodsw - rorw $8,%ax - stosw - lodsw - rorw $8,%ax - stosw - lodsw - rorw $8,%ax - stosw - lodsw - rorw $8,%ax - stosw - lodsw - rorw $8,%ax - stosw - lodsw - rorw $8,%ax - stosw - lodsw - rorw $8,%ax - stosw - decl %ecx - jnz L3 - -L4: popl %edi - popl %esi - ret |
