trap.h

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    1 /*
    2  * Copyright (c) 2000-2004 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  * @OSF_COPYRIGHT@
   24  */
   25 /* 
   26  * Mach Operating System
   27  * Copyright (c) 1991,1990 Carnegie Mellon University
   28  * All Rights Reserved.
   29  * 
   30  * Permission to use, copy, modify and distribute this software and its
   31  * documentation is hereby granted, provided that both the copyright
   32  * notice and this permission notice appear in all copies of the
   33  * software, derivative works or modified versions, and any portions
   34  * thereof, and that both notices appear in supporting documentation.
   35  * 
   36  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   37  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   38  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   39  * 
   40  * Carnegie Mellon requests users of this software to return to
   41  * 
   42  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   43  *  School of Computer Science
   44  *  Carnegie Mellon University
   45  *  Pittsburgh PA 15213-3890
   46  * 
   47  * any improvements or extensions that they make and grant Carnegie Mellon
   48  * the rights to redistribute these changes.
   49  */
   50 
   51 #ifndef _PPC_TRAP_H_
   52 #define _PPC_TRAP_H_
   53 
   54 /* maximum number of arguments to a syscall trap */
   55 #define NARGS   12
   56 /* Size to reserve in frame for arguments - first 8 are in registers */
   57 #define ARG_SIZE FM_ALIGN((NARGS-8)*4)
   58 #define MUNGE_ARGS_SIZE FM_ALIGN(8*8)
   59 
   60 /*
   61  * Hardware exception vectors for powerpc are in exception.h
   62  */
   63 
   64 #ifndef ASSEMBLER
   65 
   66 #include <mach/thread_status.h>
   67 #include <mach/boolean.h>
   68 #include <mach/kern_return.h>
   69 #include <ppc/thread.h>
   70 
   71 extern void                     doexception(int exc, int code, int sub);
   72 
   73 extern struct savearea* trap(int trapno,
   74                                      struct savearea *ss,
   75                                      unsigned int dsisr,
   76                                      addr64_t dar);
   77 
   78 typedef kern_return_t (*perfCallback)(int trapno, struct savearea *ss, 
   79         unsigned int dsisr, addr64_t dar);
   80 
   81 extern perfCallback perfTrapHook;
   82 extern perfCallback perfASTHook;
   83 extern perfCallback perfIntHook;
   84 
   85 extern struct savearea* interrupt(int intno,
   86                                          struct savearea *ss,
   87                                          unsigned int dsisr,
   88                                          unsigned int dar);
   89 
   90 extern int                      syscall_error(int exception,
   91                                               int code,
   92                                               int subcode,
   93                                               struct savearea *ss);
   94 
   95 
   96 #endif  /* ASSEMBLER */
   97 
   98 #endif  /* _PPC_TRAP_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/osfmk/ppc/trap.h

FreeBSD/Linux Kernel Cross Reference
sys/osfmk/ppc/trap.h