xref: /src/sys/compat/netbsd32/netbsd32_kern_proc.c

/*	$NetBSD: netbsd32_kern_proc.c,v 1.1.2.7 2019/01/22 07:42:40 pgoyette Exp $	*/

/*-
 * Copyright (c) 1999, 2006, 2007, 2008 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
 * NASA Ames Research Center, and by Andrew Doran.
 *
 * 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.
 */

/*
 * Copyright (c) 1982, 1986, 1989, 1991, 1993
 *	The Regents of the University of California.  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.
 * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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.
 *
 *	@(#)kern_proc.c	8.7 (Berkeley) 2/14/95
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: netbsd32_kern_proc.c,v 1.1.2.7 2019/01/22 07:42:40 pgoyette Exp $");

#ifdef _KERNEL_OPT
#include "opt_kstack.h"
#include "opt_maxuprc.h"
#include "opt_dtrace.h"
#include "opt_compat_netbsd32.h"
#endif

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/resourcevar.h>
#include <sys/buf.h>
#include <sys/acct.h>
#include <sys/wait.h>
#include <sys/file.h>
#include <ufs/ufs/quota.h>
#include <sys/uio.h>
#include <sys/pool.h>
#include <sys/pset.h>
#include <sys/mbuf.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/signalvar.h>
#include <sys/ras.h>
#include <sys/filedesc.h>
#include <sys/syscall_stats.h>
#include <sys/kauth.h>
#include <sys/sleepq.h>
#include <sys/atomic.h>
#include <sys/kmem.h>
#include <sys/namei.h>
#include <sys/dtrace_bsd.h>
#include <sys/sysctl.h>
#include <sys/exec.h>
#include <sys/cpu.h>
#include <sys/compat_stub.h>

#include <uvm/uvm_extern.h>
#include <uvm/uvm.h>

#include <compat/netbsd32/netbsd32.h>
#include <compat/netbsd32/netbsd32_kern_proc.h>

static int
copyin_psstrings_32(struct proc *p, struct ps_strings *arginfo)
{
	struct ps_strings32 arginfo32;

	int error = copyin_proc(p, (void *)p->p_psstrp, &arginfo32,
	    sizeof(arginfo32));
	if (error)
		return error;
	arginfo->ps_argvstr = (void *)(uintptr_t)arginfo32.ps_argvstr;
	arginfo->ps_nargvstr = arginfo32.ps_nargvstr;
	arginfo->ps_envstr = (void *)(uintptr_t)arginfo32.ps_envstr;
	arginfo->ps_nenvstr = arginfo32.ps_nenvstr;
	return 0;
}

static vaddr_t
get_base32(char **argv, size_t i)
{

	netbsd32_charp *argv32;

	argv32 = (netbsd32_charp *)argv;
	return (vaddr_t)NETBSD32PTR64(argv32[i]);
}

#if !defined(_RUMPSERVER)
MODULE_SET_HOOK(kern_proc_32_copyin_hook, "kern_proc_32", copyin_psstrings_32);
MODULE_SET_HOOK(kern_proc_32_base_hook, "kern_proc_32", get_base32);
MODULE_UNSET_HOOK(kern_proc_32_copyin_hook);
MODULE_UNSET_HOOK(kern_proc_32_base_hook);
#endif

void
netbsd32_kern_proc_32_init(void)
{

#if !defined(_RUMPSERVER)
	kern_proc_32_copyin_hook_set();
	kern_proc_32_base_hook_set();
#endif
}

void
netbsd32_kern_proc_32_fini(void)
{

#if !defined(_RUMPSERVER)
	kern_proc_32_copyin_hook_unset();
	kern_proc_32_base_hook_unset();
#endif
}