NetBSD/sys/arch/usermode/include/machdep.h

43 lines
2.0 KiB
C

/* $NetBSD: machdep.h,v 1.8 2012/01/14 17:31:09 reinoud Exp $ */
/*-
* Copyright (c) 2011 Reinoud Zandijk <reinoud@netbsd.org>
* All rights reserved.
*
* 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.
*
* 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.
*/
int md_syscall_check_opcode(ucontext_t *ucp);
void md_syscall_get_opcode(ucontext_t *ucp, uint32_t *opcode);
void md_syscall_get_syscallnumber(ucontext_t *ucp, uint32_t *code);
int md_syscall_getargs(lwp_t *l, ucontext_t *ucp, int nargs, int argsize,
register_t *args);
void md_syscall_set_returnargs(lwp_t *l, ucontext_t *ucp,
int error, register_t *rval);
void md_syscall_inc_pc(ucontext_t *ucp, uint32_t opcode);
void md_syscall_dec_pc(ucontext_t *ucp, uint32_t opcode);
register_t md_get_pc(ucontext_t *ucp);
register_t md_get_sp(ucontext_t *ucp);
/* handlers */
void syscall(void);