| | 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) 1991,1990,1989,1988,1987 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 | */ |
| | 58 | |
| | 59 | #ifndef _KERN_SYSCALL_SW_H_ |
| | 60 | #define _KERN_SYSCALL_SW_H_ |
| | 61 | |
| | 62 | #include <mach_assert.h> |
| | 63 | |
| | 64 | /* |
| | 65 | * mach_trap_stack indicates the trap may discard |
| | 66 | * its kernel stack. Some architectures may need |
| | 67 | * to save more state in the pcb for these traps. |
| | 68 | */ |
| | 69 | #if CONFIG_REQUIRES_U32_MUNGING |
| | 70 | typedef void mach_munge_t(void *); |
| | 71 | #elif __arm__ && (__BIGGEST_ALIGNMENT__ > 4) |
| | 72 | typedef int mach_munge_t(const void *, void *); |
| | 73 | #endif |
| | 74 | |
| | 75 | typedef struct { |
| | 76 | int mach_trap_arg_count; /* Number of trap arguments (Arch independant) */ |
| | 77 | kern_return_t (*mach_trap_function)(void *); |
| | 78 | #if CONFIG_REQUIRES_U32_MUNGING || (__arm__ && (__BIGGEST_ALIGNMENT__ > 4)) |
| | 79 | mach_munge_t *mach_trap_arg_munge32; /* system call argument munger routine for 32-bit */ |
| | 80 | #endif |
| | 81 | int mach_trap_u32_words; /* number of 32-bit words to copyin for U32 */ |
| | 82 | #if MACH_ASSERT |
| | 83 | const char* mach_trap_name; |
| | 84 | #endif /* MACH_ASSERT */ |
| | 85 | } mach_trap_t; |
| | 86 | |
| | 87 | #define MACH_TRAP_TABLE_COUNT 128 |
| | 88 | |
| | 89 | |
| | 90 | extern const mach_trap_t mach_trap_table[]; |
| | 91 | extern int mach_trap_count; |
| | 92 | |
| | 93 | #if CONFIG_REQUIRES_U32_MUNGING || (__arm__ && (__BIGGEST_ALIGNMENT__ > 4)) |
| | 94 | |
| | 95 | #if !MACH_ASSERT |
| | 96 | #define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \ |
| | 97 | { (arg_count), (kern_return_t (*)(void *)) (name), munge32, (u32_arg_words) } |
| | 98 | #else /* !MACH_ASSERT */ |
| | 99 | #define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \ |
| | 100 | { (arg_count), (kern_return_t (*)(void *)) (name), munge32, (u32_arg_words), #name } |
| | 101 | #endif /* !MACH_ASSERT */ |
| | 102 | |
| | 103 | |
| | 104 | #else /* !CONFIG_REQUIRES_U32_MUNGING || (__arm__ && (__BIGGEST_ALIGNMENT__ > 4)) */ |
| | 105 | |
| | 106 | #if !MACH_ASSERT |
| | 107 | #define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \ |
| | 108 | { (arg_count), (kern_return_t (*)(void *)) (name), (u32_arg_words) } |
| | 109 | #else /* !MACH_ASSERT */ |
| | 110 | #define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \ |
| | 111 | { (arg_count), (kern_return_t (*)(void *)) (name), (u32_arg_words), #name } |
| | 112 | #endif /* !MACH_ASSERT */ |
| | 113 | |
| | 114 | #endif /* !CONFIG_REQUIRES_U32_MUNGING */ |
| | 115 | |
| | 116 | #endif /* _KERN_SYSCALL_SW_H_ */ |
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