bsd/ppc/profile.h

   1 /*
   2  * Copyright (c) 2000-2002 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 /*
  23  * Copyright (c) 1997, Apple Computer, Inc. All rights reserved.
  24  *
  25  */
  26
  27 #ifndef _BSD_PPC_PROFILE_H_
  28 #define _BSD_PPC_PROFILE_H_
  29
  30 #include <sys/appleapiopts.h>
  31
  32 #ifdef KERNEL
  33 #ifdef __APPLE_API_UNSTABLE
  34 /*
  35  * Block interrupts during mcount so that those interrupts can also be
  36  * counted (as soon as we get done with the current counting).  On the
  37  * PPC platfom, can't do splhigh/splx as those are C routines and can
  38  * recursively invoke mcount.
  39  */
  40 extern unsigned long disable_ee();
  41 extern void restore_ee(unsigned long smsr);
  42
  43 #define MCOUNT_INIT             register unsigned long smsr;
  44
  45 #define MCOUNT_ENTER    smsr = disable_ee();
  46
  47 #define MCOUNT_EXIT             restore_ee(smsr);
  48
  49 #endif /* __APPLE_API_UNSTABLE */
  50 #endif /* KERNEL */
  51
  52 #endif /* _BSD_PPC_PROFILE_H_ */