/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #import <architecture/i386/asm_help.h> .text .globl mcount mcount: pushl %ebp // setup mcount's frame movl %esp,%ebp movl (%ebp),%eax // load the frame pointer of mcount's caller movl 4(%eax),%eax // load mcount's caller's return address pushl 4(%ebp) // push the selfpc parameter for moncount() pushl %eax // push the frompc parameter for moncount() CALL_EXTERN(_moncount) // call moncount() movl %ebp,%esp // tear down mcount's frame popl %ebp ret