1/* 2 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * @OSF_COPYRIGHT@ 30 */ 31/* 32 * Mach Operating System 33 * Copyright (c) 1991,1990 Carnegie Mellon University 34 * All Rights Reserved. 35 * 36 * Permission to use, copy, modify and distribute this software and its 37 * documentation is hereby granted, provided that both the copyright 38 * notice and this permission notice appear in all copies of the 39 * software, derivative works or modified versions, and any portions 40 * thereof, and that both notices appear in supporting documentation. 41 * 42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 45 * 46 * Carnegie Mellon requests users of this software to return to 47 * 48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 49 * School of Computer Science 50 * Carnegie Mellon University 51 * Pittsburgh PA 15213-3890 52 * 53 * any improvements or extensions that they make and grant Carnegie Mellon 54 * the rights to redistribute these changes. 55 */ 56 57#ifndef _PPC_TRAP_H_ 58#define _PPC_TRAP_H_ 59 60/* maximum number of arguments to a syscall trap */ 61#define NARGS 12 62/* Size to reserve in frame for arguments - first 8 are in registers */ 63#define ARG_SIZE FM_ALIGN((NARGS-8)*4) 64#define MUNGE_ARGS_SIZE FM_ALIGN(8*8) 65 66/* 67 * Hardware exception vectors for powerpc are in exception.h 68 */ 69 70#ifndef ASSEMBLER 71 72#include <mach/thread_status.h> 73#include <mach/boolean.h> 74#include <mach/kern_return.h> 75#include <ppc/thread.h> 76 77extern void doexception(int exc, mach_exception_code_t code, 78 mach_exception_subcode_t sub); 79 80extern struct savearea* trap(int trapno, 81 struct savearea *ss, 82 unsigned int dsisr, 83 addr64_t dar); 84 85typedef kern_return_t (*perfCallback)(int trapno, struct savearea *ss, 86 unsigned int dsisr, addr64_t dar); 87 88extern perfCallback perfTrapHook; 89extern perfCallback perfASTHook; 90extern perfCallback perfIntHook; 91 92extern struct savearea* interrupt(int intno, 93 struct savearea *ss, 94 unsigned int dsisr, 95 unsigned int dar); 96 97extern int syscall_error(int exception, 98 int64_t code, 99 int64_t subcode, 100 struct savearea *ss); 101 102 103#endif /* ASSEMBLER */ 104 105#endif /* _PPC_TRAP_H_ */ 106