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Annotation of XNU/bsd/ppc/profile.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 2000 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:  *     History :
                     26:  *     29-Sep-1997  Umesh Vaishampayan
                     27:  *             Created.
                     28:  */
                     29: 
                     30: #ifndef _BSD_PPC_PROFILE_H_
                     31: #define _BSD_PPC_PROFILE_H_
                     32: 
                     33: #ifdef KERNEL
                     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 /* KERNEL */
                     50: 
                     51: #endif /* _BSD_PPC_PROFILE_H_ */

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