osfmk/kern/syscall_sw.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28 /*
  29  * Mach Operating System
  30  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  31  * All Rights Reserved.
  32  *
  33  * Permission to use, copy, modify and distribute this software and its
  34  * documentation is hereby granted, provided that both the copyright
  35  * notice and this permission notice appear in all copies of the
  36  * software, derivative works or modified versions, and any portions
  37  * thereof, and that both notices appear in supporting documentation.
  38  *
  39  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  40  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  41  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  42  *
  43  * Carnegie Mellon requests users of this software to return to
  44  *
  45  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  46  *  School of Computer Science
  47  *  Carnegie Mellon University
  48  *  Pittsburgh PA 15213-3890
  49  *
  50  * any improvements or extensions that they make and grant Carnegie Mellon
  51  * the rights to redistribute these changes.
  52  */
  53 /*
  54  */
  55
  56 #include <mach/mach_types.h>
  57
  58 #include <kern/syscall_sw.h>
  59
  60 /* Forwards */
  61 extern kern_return_t    kern_invalid(void);
  62 extern mach_port_name_t null_port(void);
  63 extern kern_return_t    not_implemented(void);
  64
  65 /*
  66  *      To add a new entry:
  67  *              Add an "MACH_TRAP(routine, arg count)" to the table below.
  68  *
  69  *              Add trap definition to mach/syscall_sw.h and
  70  *              recompile user library.
  71  *
  72  * WARNING:     If you add a trap which requires more than 7
  73  *              parameters, mach/{machine}/syscall_sw.h and {machine}/trap.c
  74  *              and/or {machine}/locore.s may need to be modified for it
  75  *              to work successfully.
  76  *
  77  * WARNING:     Don't use numbers 0 through -9.  They (along with
  78  *              the positive numbers) are reserved for Unix.
  79  */
  80
  81 int kern_invalid_debug = 0;
  82
  83 /* Include declarations of the trap functions. */
  84
  85 #include <mach/mach_traps.h>
  86 #include <mach/mach_syscalls.h>
  87 #include <kern/syscall_subr.h>
  88
  89 #include <kern/clock.h>
  90 #include <mach/mk_timer.h>
  91
  92 extern kern_return_t iokit_user_client_trap();
  93
  94 mach_trap_t     mach_trap_table[MACH_TRAP_TABLE_COUNT] = {
  95         MACH_TRAP(kern_invalid, 0),                     /* 0 */         /* Unix */
  96         MACH_TRAP(kern_invalid, 0),                     /* 1 */         /* Unix */
  97         MACH_TRAP(kern_invalid, 0),                     /* 2 */         /* Unix */
  98         MACH_TRAP(kern_invalid, 0),                     /* 3 */         /* Unix */
  99         MACH_TRAP(kern_invalid, 0),                     /* 4 */         /* Unix */
 100         MACH_TRAP(kern_invalid, 0),                     /* 5 */         /* Unix */
 101         MACH_TRAP(kern_invalid, 0),                     /* 6 */         /* Unix */
 102         MACH_TRAP(kern_invalid, 0),                     /* 7 */         /* Unix */
 103         MACH_TRAP(kern_invalid, 0),                     /* 8 */         /* Unix */
 104         MACH_TRAP(kern_invalid, 0),                     /* 9 */         /* Unix */
 105         MACH_TRAP(kern_invalid, 0),                     /* 10 */
 106         MACH_TRAP(kern_invalid, 0),                     /* 11 */
 107         MACH_TRAP(kern_invalid, 0),                     /* 12 */
 108         MACH_TRAP(kern_invalid, 0),                     /* 13 */
 109         MACH_TRAP(kern_invalid, 0),                     /* 14 */
 110         MACH_TRAP(kern_invalid, 0),                     /* 15 */
 111         MACH_TRAP(kern_invalid, 0),                     /* 16 */
 112         MACH_TRAP(kern_invalid, 0),                     /* 17 */
 113         MACH_TRAP(kern_invalid, 0),                     /* 18 */
 114         MACH_TRAP(kern_invalid, 0),                     /* 19 */
 115         MACH_TRAP(kern_invalid, 0),                     /* 20 */
 116         MACH_TRAP(kern_invalid, 0),                     /* 21 */
 117         MACH_TRAP(kern_invalid, 0),                     /* 22 */
 118         MACH_TRAP(kern_invalid, 0),                     /* 23 */
 119         MACH_TRAP(kern_invalid, 0),                     /* 24 */
 120         MACH_TRAP(kern_invalid, 0),                     /* 25 */
 121         MACH_TRAP(mach_reply_port, 0),                  /* 26 */
 122         MACH_TRAP(thread_self_trap, 0),                 /* 27 */
 123         MACH_TRAP(task_self_trap, 0),                   /* 28 */
 124         MACH_TRAP(host_self_trap, 0),                   /* 29 */
 125         MACH_TRAP(kern_invalid, 0),                     /* 30 */
 126         MACH_TRAP(mach_msg_trap, 7),                    /* 31 */
 127         MACH_TRAP(mach_msg_overwrite_trap, 9),          /* 32 */
 128         MACH_TRAP(semaphore_signal_trap, 1),            /* 33 */
 129         MACH_TRAP(semaphore_signal_all_trap, 1),        /* 34 */
 130         MACH_TRAP(semaphore_signal_thread_trap, 2),     /* 35 */
 131         MACH_TRAP(semaphore_wait_trap, 1),              /* 36 */
 132         MACH_TRAP(semaphore_wait_signal_trap, 2),       /* 37 */
 133         MACH_TRAP(semaphore_timedwait_trap, 3),         /* 38 */
 134         MACH_TRAP(semaphore_timedwait_signal_trap, 4),  /* 39 */
 135         MACH_TRAP(kern_invalid, 0),                     /* 40 */
 136         MACH_TRAP(init_process, 0),                     /* 41 */
 137         MACH_TRAP(kern_invalid, 0),                     /* 42 */
 138         MACH_TRAP(map_fd, 5),                           /* 43 */
 139         MACH_TRAP(kern_invalid, 0),                     /* 44 */
 140         MACH_TRAP(task_for_pid, 3),                     /* 45 */
 141         MACH_TRAP(pid_for_task, 2),                     /* 46 */
 142         MACH_TRAP(kern_invalid, 0),                     /* 47 */
 143         MACH_TRAP(macx_swapon, 4),                      /* 48 */
 144         MACH_TRAP(macx_swapoff, 2),                     /* 49 */
 145         MACH_TRAP(kern_invalid, 0),                     /* 50 */
 146         MACH_TRAP(macx_triggers, 4),                    /* 51 */
 147         MACH_TRAP(macx_backing_store_suspend, 1),       /* 52 */
 148         MACH_TRAP(macx_backing_store_recovery, 1),      /* 53 */
 149         MACH_TRAP(kern_invalid, 0),                     /* 54 */
 150         MACH_TRAP(kern_invalid, 0),                     /* 55 */
 151         MACH_TRAP(kern_invalid, 0),                     /* 56 */
 152         MACH_TRAP(kern_invalid, 0),                     /* 57 */
 153         MACH_TRAP(kern_invalid, 0),                     /* 58 */
 154         MACH_TRAP(swtch_pri, 1),                        /* 59 */
 155         MACH_TRAP(swtch, 0),                            /* 60 */
 156         MACH_TRAP(thread_switch, 3),            /* 61 */
 157         MACH_TRAP(clock_sleep_trap, 5),         /* 62 */
 158         MACH_TRAP(kern_invalid,0),                      /* 63 */
 159 /* traps 64 - 95 reserved (debo) */
 160         MACH_TRAP(kern_invalid,0),                      /* 64 */
 161         MACH_TRAP(kern_invalid,0),                      /* 65 */
 162         MACH_TRAP(kern_invalid,0),                      /* 66 */
 163         MACH_TRAP(kern_invalid,0),                      /* 67 */
 164         MACH_TRAP(kern_invalid,0),                      /* 68 */
 165         MACH_TRAP(kern_invalid,0),                      /* 69 */
 166         MACH_TRAP(kern_invalid,0),                      /* 70 */
 167         MACH_TRAP(kern_invalid,0),                      /* 71 */
 168         MACH_TRAP(kern_invalid,0),                      /* 72 */
 169         MACH_TRAP(kern_invalid,0),                      /* 73 */
 170         MACH_TRAP(kern_invalid,0),                      /* 74 */
 171         MACH_TRAP(kern_invalid,0),                      /* 75 */
 172         MACH_TRAP(kern_invalid,0),                      /* 76 */
 173         MACH_TRAP(kern_invalid,0),                      /* 77 */
 174         MACH_TRAP(kern_invalid,0),                      /* 78 */
 175         MACH_TRAP(kern_invalid,0),                      /* 79 */
 176         MACH_TRAP(kern_invalid,0),                      /* 80 */
 177         MACH_TRAP(kern_invalid,0),                      /* 81 */
 178         MACH_TRAP(kern_invalid,0),                      /* 82 */
 179         MACH_TRAP(kern_invalid,0),                      /* 83 */
 180         MACH_TRAP(kern_invalid,0),                      /* 84 */
 181         MACH_TRAP(kern_invalid,0),                      /* 85 */
 182         MACH_TRAP(kern_invalid,0),                      /* 86 */
 183         MACH_TRAP(kern_invalid,0),                      /* 87 */
 184         MACH_TRAP(kern_invalid,0),                      /* 88 */
 185         MACH_TRAP(mach_timebase_info, 1),       /* 89 */
 186         MACH_TRAP(mach_wait_until,      2),             /* 90 */
 187         MACH_TRAP(mk_timer_create,      0),             /* 91 */
 188         MACH_TRAP(mk_timer_destroy,     1),             /* 92 */
 189         MACH_TRAP(mk_timer_arm,         3),             /* 93 */
 190         MACH_TRAP(mk_timer_cancel,      2),             /* 94 */
 191         MACH_TRAP(mk_timebase_info,     5),             /* 95 */
 192 /* traps 64 - 95 reserved (debo) */
 193         MACH_TRAP(kern_invalid,0),                      /* 96 */
 194         MACH_TRAP(kern_invalid,0),                      /* 97 */
 195         MACH_TRAP(kern_invalid,0),                      /* 98 */
 196         MACH_TRAP(kern_invalid,0),                      /* 99 */
 197 /* traps 100-107 reserved for iokit (esb) */
 198         MACH_TRAP(iokit_user_client_trap, 8),
 199                                                                                 /* 100 */       /* IOKit */
 200         MACH_TRAP(kern_invalid,0),                      /* 101 */       /* IOKit */
 201         MACH_TRAP(kern_invalid,0),                      /* 102 */       /* IOKit */
 202         MACH_TRAP(kern_invalid,0),                      /* 103 */       /* IOKit */
 203         MACH_TRAP(kern_invalid,0),                      /* 104 */       /* IOKit */
 204         MACH_TRAP(kern_invalid,0),                      /* 105 */       /* IOKit */
 205         MACH_TRAP(kern_invalid,0),                      /* 106 */       /* IOKit */
 206         MACH_TRAP(kern_invalid,0),                      /* 107 */       /* IOKit */
 207         MACH_TRAP(kern_invalid,0),                      /* 108 */
 208         MACH_TRAP(kern_invalid,0),                      /* 109 */
 209         MACH_TRAP(kern_invalid,0),                      /* 110 */
 210         MACH_TRAP(kern_invalid,0),                      /* 111 */
 211         MACH_TRAP(kern_invalid,0),                      /* 112 */
 212         MACH_TRAP(kern_invalid,0),                      /* 113 */
 213         MACH_TRAP(kern_invalid,0),                      /* 114 */
 214         MACH_TRAP(kern_invalid,0),                      /* 115 */
 215         MACH_TRAP(kern_invalid,0),                      /* 116 */
 216         MACH_TRAP(kern_invalid,0),                      /* 117 */
 217         MACH_TRAP(kern_invalid,0),                      /* 118 */
 218         MACH_TRAP(kern_invalid,0),                      /* 119 */
 219         MACH_TRAP(kern_invalid,0),                      /* 120 */
 220         MACH_TRAP(kern_invalid,0),                      /* 121 */
 221         MACH_TRAP(kern_invalid,0),                      /* 122 */
 222         MACH_TRAP(kern_invalid,0),                      /* 123 */
 223         MACH_TRAP(kern_invalid,0),                      /* 124 */
 224         MACH_TRAP(kern_invalid,0),                      /* 125 */
 225         MACH_TRAP(kern_invalid,0),                      /* 126 */
 226         MACH_TRAP(kern_invalid,0),                      /* 127 */
 227 };
 228
 229 int     mach_trap_count = (sizeof(mach_trap_table) / sizeof(mach_trap_table[0]));
 230
 231 mach_port_name_t
 232 null_port(void)
 233 {
 234         if (kern_invalid_debug) Debugger("null_port mach trap");
 235         return(MACH_PORT_NULL);
 236 }
 237
 238 kern_return_t
 239 kern_invalid(void)
 240 {
 241         if (kern_invalid_debug) Debugger("kern_invalid mach trap");
 242         return(KERN_INVALID_ARGUMENT);
 243 }
 244
 245 kern_return_t
 246 not_implemented(void)
 247 {
 248         return(MACH_SEND_INTERRUPTED);
 249 }