92ce8c6a3d
into modules. By and large this commit: - shuffles header files and ifdefs - splits code out where necessary to be modular - adds module glue for each of the components - adds/replaces hooks for things that can be installed at runtime
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/* $NetBSD: syscallvar.h,v 1.4 2008/11/19 18:36:10 ad Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software developed for The NetBSD Foundation
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* by Andrew Doran.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_SYSCALLVAR_H_
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#define _SYS_SYSCALLVAR_H_
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#ifndef _KERNEL
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#error nothing of interest to userspace here
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#endif
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#include <sys/systm.h>
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#include <sys/proc.h>
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extern struct emul emul_netbsd;
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struct syscall_package {
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u_short sp_code;
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u_short sp_flags;
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sy_call_t *sp_call;
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};
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void syscall_init(void);
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int syscall_establish(const struct emul *, const struct syscall_package *);
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int syscall_disestablish(const struct emul *, const struct syscall_package *);
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static inline int
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sy_call(const struct sysent *sy, struct lwp *l, const void *uap,
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register_t *rval)
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{
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int error;
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l->l_sysent = sy;
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error = (*sy->sy_call)(l, uap, rval);
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l->l_sysent = NULL;
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return error;
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}
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#endif /* _SYS_SYSCALLVAR_H_ */
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