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Makefile.inc
(245 B)
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bcmp.S
(2.2 KB)
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bcopy.S
(2.82 KB)
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bzero.S
(2.56 KB)
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ffs.S
(2.21 KB)
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memcmp.S
(2.56 KB)
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memcpy.S
(84 B)
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memmove.S
(84 B)
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memset.S
(2.8 KB)
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strcat.S
(3.11 KB)
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strchr.S
(2.38 KB)
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strcmp.S
(3.09 KB)
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strcpy.S
(2.72 KB)
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strncmp.S
(4.06 KB)
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strrchr.S
(2.41 KB)
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swab.S
(2.82 KB)
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wcschr.S
(2.24 KB)
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wcscmp.S
(2.3 KB)
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wcslen.S
(2.05 KB)
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wmemchr.S
(2.74 KB)
Editing: bzero.S
/* * 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. */ #include <machine/asm.h> __FBSDID("$FreeBSD$"); /* * 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 END(bzero) .section .note.GNU-stack,"",%progbits
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