sys/compat/mach/mach_exception.h

   1 /*      $NetBSD: mach_exception.h,v 1.7 2007/02/09 21:55:21 ad Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2003 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Emmanuel Dreyfus
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef _MACH_EXCEPTION_H_
  33 #define _MACH_EXCEPTION_H_
  34
  35 /* really should be in mach_signal.h or siginfo.h */
  36 #define MACH_BUS_ADRALN         1
  37
  38 #define MACH_SEGV_MAPERR        1
  39 #define MACH_SEGV_ACCERR        2
  40
  41 #define MACH_TRAP_BRKPT         1
  42
  43 #define MACH_ILL_ILLOPC         1
  44 #define MACH_ILL_ILLTRP         2
  45 #define MACH_ILL_PRVOPC         3
  46
  47 #define MACH_EXC_BAD_ACCESS             1
  48 #define MACH_EXC_BAD_INSTRUCTION        2
  49 #define MACH_EXC_ARITHMETIC             3
  50 #define MACH_EXC_EMULATION              4
  51 #define MACH_EXC_SOFTWARE               5
  52 #define MACH_EXC_BREAKPOINT             6
  53 #define MACH_EXC_SYSCALL                7
  54 #define MACH_EXC_MACH_SYSCALL           8
  55 #define MACH_EXC_RPC_ALERT              9
  56 #define MACH_EXC_MAX                    MACH_EXC_RPC_ALERT
  57
  58 #define MACH_EXC_MASK_BAD_ACCESS        (1 << MACH_EXC_BAD_ACCESS)
  59 #define MACH_EXC_MASK_BAD_INSTRUCTION   (1 << MACH_EXC_BAD_INSTRUCTION)
  60 #define MACH_EXC_MASK_ARITHMETIC        (1 << MACH_EXC_ARITHMETIC)
  61 #define MACH_EXC_MASK_EMULATION         (1 << MACH_EXC_EMULATION)
  62 #define MACH_EXC_MASK_SOFTWARE          (1 << MACH_EXC_SOFTWARE)
  63 #define MACH_EXC_MASK_BREAKPOINT        (1 << MACH_EXC_BREAKPOINT)
  64 #define MACH_EXC_MASK_SYSCALL           (1 << MACH_EXC_SYSCALL)
  65 #define MACH_EXC_MASK_MACH_SYSCALL      (1 << MACH_EXC_MACH_SYSCALL)
  66 #define MACH_EXC_MASK_RPC_ALERT         (1 << MACH_EXC_RPC_ALERT)
  67
  68 /*
  69  * Exception codes. Values < 0x10000 are machine dependent, and
  70  * are defined in sys/<arch>/include/mach_machdep.h.
  71  */
  72 #define MACH_EXC_UNIX_BAD_SYSCALL       0x10000 /* unused ? */
  73 #define MACH_EXC_UNIX_BAD_PIPE          0x10001 /* unused ? */
  74 #define MACH_EXC_UNIX_ABORT             0x10002 /* unused ? */
  75 #define MACH_SOFT_SIGNAL                0x10003
  76
  77 /* Exception behaviors and associated messages Id */
  78
  79 #define MACH_EXCEPTION_DEFAULT          1
  80 #define MACH_EXCEPTION_STATE            2
  81 #define MACH_EXCEPTION_STATE_IDENTITY   3
  82
  83 #define MACH_EXC_RAISE_MSGID            2401
  84 #define MACH_EXC_RAISE_STATE_MSGID      2402
  85 #define MACH_EXC_RAISE_STATE_IDENTITY_MSGID     2403
  86
  87 /* exception_raise. The kernel is the client, not the server */
  88
  89 typedef struct {
  90         mach_msg_header_t req_msgh;
  91         mach_msg_body_t req_body;
  92         mach_msg_port_descriptor_t req_thread;
  93         mach_msg_port_descriptor_t req_task;
  94         mach_ndr_record_t req_ndr;
  95         mach_exception_type_t req_exc;
  96         mach_msg_type_number_t req_codecount;
  97         mach_integer_t req_code[2];
  98         mach_msg_trailer_t req_trailer;
  99 } mach_exception_raise_request_t;
 100
 101 typedef struct {
 102         mach_msg_header_t rep_msgh;
 103         mach_ndr_record_t rep_ndr;
 104         mach_kern_return_t rep_retval;
 105 } mach_exception_raise_reply_t;
 106
 107 /* exception_raise_state. The kernel is the client, not the server */
 108
 109 typedef struct {
 110         mach_msg_header_t req_msgh;
 111         mach_ndr_record_t req_ndr;
 112         mach_exception_type_t req_exc;
 113         mach_msg_type_number_t req_codecount;
 114         mach_integer_t req_code[2];
 115         int req_flavor;
 116         mach_msg_type_number_t req_statecount;
 117         mach_natural_t req_state[144];
 118         mach_msg_trailer_t req_trailer;
 119 } mach_exception_raise_state_request_t;
 120
 121 typedef struct {
 122         mach_msg_header_t rep_msgh;
 123         mach_ndr_record_t rep_ndr;
 124         mach_kern_return_t rep_retval;
 125 } mach_exception_raise_state_reply_t;
 126
 127 /* exception_raise_state_identity. The kernel is the client, not the server */
 128
 129 typedef struct {
 130         mach_msg_header_t req_msgh;
 131         mach_msg_body_t req_body;
 132         mach_msg_port_descriptor_t req_thread;
 133         mach_msg_port_descriptor_t req_task;
 134         mach_ndr_record_t req_ndr;
 135         mach_exception_type_t req_exc;
 136         mach_msg_type_number_t req_codecount;
 137         mach_integer_t req_code[2];
 138         int req_flavor;
 139         mach_msg_type_number_t req_statecount;
 140         mach_natural_t req_state[144];
 141         mach_msg_trailer_t req_trailer;
 142 } mach_exception_raise_state_identity_request_t;
 143
 144 typedef struct {
 145         mach_msg_header_t rep_msgh;
 146         mach_ndr_record_t rep_ndr;
 147         mach_kern_return_t rep_retval;
 148 } mach_exception_raise_state_identity_reply_t;
 149
 150 struct mach_exc_info {
 151         int mei_flavor;
 152         int mei_behavior;
 153 };
 154
 155 void mach_trapsignal(struct lwp *, struct ksiginfo *);
 156 int mach_trapsignal1(struct lwp *, struct ksiginfo *);
 157 int mach_exception(struct lwp *, int, int *);
 158
 159 #endif /* _MACH_EXCEPTION_H_ */
 160