FreeBSD/Linux Kernel Cross Reference
sys/compat/mach/mach_exception.h

     /*      $NetBSD: mach_exception.h,v 1.4 2005/02/26 23:10:19 perry Exp $ */
     
     /*-
      * Copyright (c) 2003 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Emmanuel Dreyfus
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #ifndef _MACH_EXCEPTION_H_
    #define _MACH_EXCEPTION_H_
    
    #define MACH_EXC_BAD_ACCESS             1
    #define MACH_EXC_BAD_INSTRUCTION        2
    #define MACH_EXC_ARITHMETIC             3
    #define MACH_EXC_EMULATION              4
    #define MACH_EXC_SOFTWARE               5
    #define MACH_EXC_BREAKPOINT             6
    #define MACH_EXC_SYSCALL                7
    #define MACH_EXC_MACH_SYSCALL           8
    #define MACH_EXC_RPC_ALERT              9
    #define MACH_EXC_MAX                    MACH_EXC_RPC_ALERT
    
    #define MACH_EXC_MASK_BAD_ACCESS        (1 << MACH_EXC_BAD_ACCESS)
    #define MACH_EXC_MASK_BAD_INSTRUCTION   (1 << MACH_EXC_BAD_INSTRUCTION)
    #define MACH_EXC_MASK_ARITHMETIC        (1 << MACH_EXC_ARITHMETIC)
    #define MACH_EXC_MASK_EMULATION         (1 << MACH_EXC_EMULATION)
    #define MACH_EXC_MASK_SOFTWARE          (1 << MACH_EXC_SOFTWARE)
    #define MACH_EXC_MASK_BREAKPOINT        (1 << MACH_EXC_BREAKPOINT)
    #define MACH_EXC_MASK_SYSCALL           (1 << MACH_EXC_SYSCALL)
    #define MACH_EXC_MASK_MACH_SYSCALL      (1 << MACH_EXC_MACH_SYSCALL)
    #define MACH_EXC_MASK_RPC_ALERT         (1 << MACH_EXC_RPC_ALERT)
    
    /*
     * Exception codes. Values < 0x10000 are machine dependent, and
     * are defined in sys/<arch>/include/mach_machdep.h.
     */
    #define MACH_EXC_UNIX_BAD_SYSCALL       0x10000 /* unused ? */
    #define MACH_EXC_UNIX_BAD_PIPE          0x10001 /* unused ? */
    #define MACH_EXC_UNIX_ABORT             0x10002 /* unused ? */
    #define MACH_SOFT_SIGNAL                0x10003
    
    /* Exception behaviors and associated messages Id */
    
    #define MACH_EXCEPTION_DEFAULT          1
    #define MACH_EXCEPTION_STATE            2
    #define MACH_EXCEPTION_STATE_IDENTITY   3
    
    #define MACH_EXC_RAISE_MSGID            2401
    #define MACH_EXC_RAISE_STATE_MSGID      2402
    #define MACH_EXC_RAISE_STATE_IDENTITY_MSGID     2403
    
    /* exception_raise. The kernel is the client, not the server */
    
    typedef struct {
            mach_msg_header_t req_msgh;
            mach_msg_body_t req_body;
            mach_msg_port_descriptor_t req_thread;
            mach_msg_port_descriptor_t req_task;
            mach_ndr_record_t req_ndr;
            mach_exception_type_t req_exc;
            mach_msg_type_number_t req_codecount;
            mach_integer_t req_code[2];
            mach_msg_trailer_t req_trailer;
    } mach_exception_raise_request_t;
    
    typedef struct {
            mach_msg_header_t rep_msgh;
            mach_ndr_record_t rep_ndr;
            mach_kern_return_t rep_retval;
   } mach_exception_raise_reply_t;
   
   /* exception_raise_state. The kernel is the client, not the server */
   
   typedef struct {
           mach_msg_header_t req_msgh;
           mach_ndr_record_t req_ndr;
           mach_exception_type_t req_exc;
           mach_msg_type_number_t req_codecount;
           mach_integer_t req_code[2];
           int req_flavor;
           mach_msg_type_number_t req_statecount;
           mach_natural_t req_state[144];
           mach_msg_trailer_t req_trailer;
   } mach_exception_raise_state_request_t;
   
   typedef struct {
           mach_msg_header_t rep_msgh;
           mach_ndr_record_t rep_ndr;
           mach_kern_return_t rep_retval;
   } mach_exception_raise_state_reply_t;
   
   /* exception_raise_state_identity. The kernel is the client, not the server */
   
   typedef struct {
           mach_msg_header_t req_msgh;
           mach_msg_body_t req_body;
           mach_msg_port_descriptor_t req_thread;
           mach_msg_port_descriptor_t req_task;
           mach_ndr_record_t req_ndr;
           mach_exception_type_t req_exc;
           mach_msg_type_number_t req_codecount;
           mach_integer_t req_code[2];
           int req_flavor;
           mach_msg_type_number_t req_statecount;
           mach_natural_t req_state[144];
           mach_msg_trailer_t req_trailer;
   } mach_exception_raise_state_identity_request_t;
   
   typedef struct {
           mach_msg_header_t rep_msgh;
           mach_ndr_record_t rep_ndr;
           mach_kern_return_t rep_retval;
   } mach_exception_raise_state_identity_reply_t;
   
   struct mach_exc_info {
           int mei_flavor;
           int mei_behavior;
   };
   
   void mach_trapsignal(struct lwp *, const struct ksiginfo *);
   int mach_trapsignal1(struct lwp *, const struct ksiginfo *);
   int mach_exception(struct lwp *, int, int *);
   
   #endif /* _MACH_EXCEPTION_H_ */
   

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