bsd/ppc/profile.h

   1 /*
   2  * Copyright (c) 2000-2002 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  * Copyright (c) 1997, Apple Computer, Inc. All rights reserved.
  27  *
  28  */
  29
  30 #ifndef _BSD_PPC_PROFILE_H_
  31 #define _BSD_PPC_PROFILE_H_
  32
  33 #include <sys/appleapiopts.h>
  34
  35 #ifdef KERNEL
  36 #ifdef __APPLE_API_UNSTABLE
  37 /*
  38  * Block interrupts during mcount so that those interrupts can also be
  39  * counted (as soon as we get done with the current counting).  On the
  40  * PPC platfom, can't do splhigh/splx as those are C routines and can
  41  * recursively invoke mcount.
  42  */
  43 extern unsigned long disable_ee();
  44 extern void restore_ee(unsigned long smsr);
  45
  46 #define MCOUNT_INIT             register unsigned long smsr;
  47
  48 #define MCOUNT_ENTER    smsr = disable_ee();
  49
  50 #define MCOUNT_EXIT             restore_ee(smsr);
  51
  52 #endif /* __APPLE_API_UNSTABLE */
  53 #endif /* KERNEL */
  54
  55 #endif /* _BSD_PPC_PROFILE_H_ */