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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/compat/ia32/ia32_util.h
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/*-

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 * SPDX-License-Identifier: BSD-3-Clause

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 *

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 * Copyright (c) 1998-1999 Andrew Gallatin

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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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 *    in this position and unchanged.

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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 withough 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, BUT

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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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 */

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#ifndef	_COMPAT_IA32_IA32_UTIL_H

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#define	_COMPAT_IA32_IA32_UTIL_H

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#include <vm/vm.h>

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#include <vm/vm_param.h>

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#include <vm/pmap.h>

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#include <sys/exec.h>

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#include <sys/sysent.h>

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#include <sys/cdefs.h>

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#define	FREEBSD32_MAXUSER	((1ul << 32) - IA32_PAGE_SIZE)

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#define	FREEBSD32_MINUSER	0

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#define	FREEBSD32_SHAREDPAGE	(FREEBSD32_MAXUSER - IA32_PAGE_SIZE)

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#define	FREEBSD32_USRSTACK	FREEBSD32_SHAREDPAGE

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#define	IA32_PAGE_SIZE	4096

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#define	IA32_MAXDSIZ	(512*1024*1024)		/* 512MB */

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#define	IA32_MAXSSIZ	(64*1024*1024)		/* 64MB */

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#define	IA32_MAXVMEM	0			/* Unlimited */

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struct syscall_args;

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int ia32_fetch_syscall_args(struct thread *td);

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void ia32_set_syscall_retval(struct thread *, int);

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void ia32_fixlimit(struct rlimit *rl, int which);

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#endif	/* _COMPAT_IA32_IA32_UTIL_H */

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