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 [email protected] 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 const int mach_trap_count; 92 extern const char * const mach_syscall_name_table[MACH_TRAP_TABLE_COUNT]; 93 94 #if CONFIG_REQUIRES_U32_MUNGING || (__arm__ && (__BIGGEST_ALIGNMENT__ > 4)) 95 96 #if !MACH_ASSERT 97 #define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \ 98 { (arg_count), (kern_return_t (*)(void *)) (name), munge32, (u32_arg_words) } 99 #else /* !MACH_ASSERT */ 100 #define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \ 101 { (arg_count), (kern_return_t (*)(void *)) (name), munge32, (u32_arg_words), #name } 102 #endif /* !MACH_ASSERT */ 103 104 105 #else /* !CONFIG_REQUIRES_U32_MUNGING || (__arm__ && (__BIGGEST_ALIGNMENT__ > 4)) */ 106 107 #if !MACH_ASSERT 108 #define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \ 109 { (arg_count), (kern_return_t (*)(void *)) (name), (u32_arg_words) } 110 #else /* !MACH_ASSERT */ 111 #define MACH_TRAP(name, arg_count, u32_arg_words, munge32) \ 112 { (arg_count), (kern_return_t (*)(void *)) (name), (u32_arg_words), #name } 113 #endif /* !MACH_ASSERT */ 114 115 #endif /* !CONFIG_REQUIRES_U32_MUNGING */ 116 117 #endif /* _KERN_SYSCALL_SW_H_ */ 118