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      1 /* $NetBSD: machdep.h,v 1.8 2012/01/14 17:31:09 reinoud Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2011 Reinoud Zandijk <reinoud (at) netbsd.org>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 int	md_syscall_check_opcode(ucontext_t *ucp);
     30 void	md_syscall_get_opcode(ucontext_t *ucp, uint32_t *opcode);
     31 void	md_syscall_get_syscallnumber(ucontext_t *ucp, uint32_t *code);
     32 int	md_syscall_getargs(lwp_t *l, ucontext_t *ucp, int nargs, int argsize,
     33 		register_t *args);
     34 void	md_syscall_set_returnargs(lwp_t *l, ucontext_t *ucp,
     35 		int error, register_t *rval);
     36 void	md_syscall_inc_pc(ucontext_t *ucp, uint32_t opcode);
     37 void	md_syscall_dec_pc(ucontext_t *ucp, uint32_t opcode);
     38 register_t md_get_pc(ucontext_t *ucp);
     39 register_t md_get_sp(ucontext_t *ucp);
     40 
     41 /* handlers */
     42 void	syscall(void);
     43