381e6a7764
in, instead of using curproc). While there add an optional size argument to stackgap_init.
142 lines
4.1 KiB
C
142 lines
4.1 KiB
C
/* $NetBSD: netbsd32_compat_13.c,v 1.11 2002/03/16 20:43:54 christos Exp $ */
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/*
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* Copyright (c) 1998, 2001 Matthew R. Green
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* All rights reserved.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_13.c,v 1.11 2002/03/16 20:43:54 christos Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mount.h>
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#include <sys/proc.h>
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#include <sys/signal.h>
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#include <sys/signalvar.h>
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#include <sys/syscallargs.h>
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#include <compat/netbsd32/netbsd32.h>
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#include <compat/netbsd32/netbsd32_syscallargs.h>
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int
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compat_13_netbsd32_sigaltstack13(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct compat_13_netbsd32_sigaltstack13_args /* {
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syscallarg(const netbsd32_sigaltstack13p_t) nss;
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syscallarg(netbsd32_sigaltstack13p_t) oss;
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} */ *uap = v;
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struct compat_13_sys_sigaltstack_args ua;
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struct sigaltstack13 ss13, *nss13up, *oss13up;
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struct netbsd32_sigaltstack13 s32ss;
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caddr_t sg;
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int error;
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if (!SCARG(uap, nss))
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return (EINVAL);
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sg = stackgap_init(p, 0);
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SCARG(&ua, nss) = nss13up = stackgap_alloc(p, &sg, sizeof(*nss13up));
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if (SCARG(uap, oss))
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SCARG(&ua, oss) = oss13up = stackgap_alloc(p, &sg, sizeof(*oss13up));
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else
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SCARG(&ua, oss) = NULL;
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error = copyin((caddr_t)(u_long)SCARG(uap, nss), &s32ss, sizeof s32ss);
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if (error)
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return (error);
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ss13.ss_sp = (char *)(u_long)s32ss.ss_sp;
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ss13.ss_size = s32ss.ss_size;
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ss13.ss_flags = s32ss.ss_flags;
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error = copyout(&ss13, nss13up, sizeof *nss13up);
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if (error)
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return (error);
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error = compat_13_sys_sigaltstack(p, &ua, retval);
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if (error)
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return (error);
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if (SCARG(uap, oss)) {
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error = copyin(nss13up, &ss13, sizeof *nss13up);
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if (error)
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return (error);
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s32ss.ss_sp = (netbsd32_charp)(u_long)ss13.ss_sp;
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s32ss.ss_size = ss13.ss_size;
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s32ss.ss_flags = ss13.ss_flags;
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error = copyout(&s32ss, (caddr_t)(u_long)SCARG(uap, nss), sizeof s32ss);
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if (error)
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return (error);
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}
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return (0);
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}
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int
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compat_13_netbsd32_sigprocmask(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct compat_13_netbsd32_sigprocmask_args /* {
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syscallarg(int) how;
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syscallarg(int) mask;
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} */ *uap = v;
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sigset13_t ness, oess;
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sigset_t nbss, obss;
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int error;
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ness = SCARG(uap, mask);
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native_sigset13_to_sigset(&ness, &nbss);
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error = sigprocmask1(p, SCARG(uap, how), &nbss, &obss);
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if (error)
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return (error);
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native_sigset_to_sigset13(&obss, &oess);
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*retval = oess;
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return (0);
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}
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int
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compat_13_netbsd32_sigsuspend(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct compat_13_netbsd32_sigsuspend_args /* {
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syscallarg(sigset13_t) mask;
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} */ *uap = v;
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sigset13_t ess;
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sigset_t bss;
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ess = SCARG(uap, mask);
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native_sigset13_to_sigset(&ess, &bss);
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return (sigsuspend1(p, &bss));
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}
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