FreeBSD/Linux Kernel Cross Reference
sys/bsd/ppc/profile.h

     /*
      * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
      *
      * @APPLE_LICENSE_HEADER_START@
      * 
      * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
      * 
      * 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@
     */
    /*
     * Copyright (c) 1997, Apple Computer, Inc. All rights reserved.
     *
     */
    
    #ifndef _BSD_PPC_PROFILE_H_
    #define _BSD_PPC_PROFILE_H_
    
    #include <sys/appleapiopts.h>
    
    #ifdef KERNEL
    #ifdef __APPLE_API_UNSTABLE
    /*
     * Block interrupts during mcount so that those interrupts can also be
     * counted (as soon as we get done with the current counting).  On the
     * PPC platfom, can't do splhigh/splx as those are C routines and can
     * recursively invoke mcount.
     */
    extern unsigned long disable_ee();
    extern void restore_ee(unsigned long smsr);
    
    #define MCOUNT_INIT             register unsigned long smsr;
    
    #define MCOUNT_ENTER    smsr = disable_ee();
    
    #define MCOUNT_EXIT             restore_ee(smsr);
    
    #endif /* __APPLE_API_UNSTABLE */
    #endif /* KERNEL */
    
    #endif /* _BSD_PPC_PROFILE_H_ */

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