i386/string/bcopy.s

   1 /*
   2  * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 /*
  27  * Call the comm page routines
  28  */
  29
  30 #define __APPLE_API_PRIVATE
  31 #include <machine/cpu_capabilities.h>
  32
  33 #include <architecture/i386/asm_help.h>
  34
  35         TEXT
  36         ALIGN
  37
  38 #if defined(MEMCOPY)
  39 LEAF(_memcpy,0)
  40         movl    $(_COMM_PAGE_MEMCPY), %eax
  41         jmpl    %eax
  42 #elif defined(MEMMOVE)
  43 LEAF(_memmove,0)
  44         movl    $(_COMM_PAGE_MEMMOVE), %eax
  45         jmpl    %eax
  46 #else
  47 LEAF(_bcopy,0)
  48         movl    $(_COMM_PAGE_BCOPY), %eax
  49         jmpl    %eax
  50 #endif