ppc/gen/mcount.s

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /* Copyright 1997 Apple Computer, Inc.
  23 **
  24 ** 10 June 1997 - Created by mwatson@apple.com
  25 **
  26 */
  27
  28 #include <architecture/ppc/asm_help.h>
  29
  30         .text
  31         .align 2
  32         .globl mcount
  33 mcount:
  34         mflr r0
  35         stw r0,8(r1)
  36         stwu r1,-64(r1)
  37         mflr r4
  38         CALL_EXTERN(_moncount)
  39         addi r1,r1,64
  40         lwz r0,8(r1)
  41         mtlr r0
  42         blr
  43