/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This 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 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