The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/compat/ia32/ia32_util.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (c) 1998-1999 Andrew Gallatin
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer
   12  *    in this position and unchanged.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. The name of the author may not be used to endorse or promote products
   17  *    derived from this software withough specific prior written permission
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   29  *
   30  * $FreeBSD$
   31  */
   32 
   33 #ifndef _COMPAT_IA32_IA32_UTIL_H
   34 #define _COMPAT_IA32_IA32_UTIL_H
   35 
   36 #include <vm/vm.h>
   37 #include <vm/vm_param.h>
   38 #include <vm/pmap.h>
   39 
   40 #include <sys/exec.h>
   41 #include <sys/sysent.h>
   42 #include <sys/cdefs.h>
   43 
   44 #define FREEBSD32_MAXUSER       ((1ul << 32) - IA32_PAGE_SIZE)
   45 #define FREEBSD32_MINUSER       0
   46 #define FREEBSD32_SHAREDPAGE    (FREEBSD32_MAXUSER - IA32_PAGE_SIZE)
   47 #define FREEBSD32_USRSTACK      FREEBSD32_SHAREDPAGE
   48 
   49 #define IA32_PAGE_SIZE  4096
   50 #define IA32_MAXDSIZ    (512*1024*1024)         /* 512MB */
   51 #define IA32_MAXSSIZ    (64*1024*1024)          /* 64MB */
   52 #define IA32_MAXVMEM    0                       /* Unlimited */
   53 
   54 struct syscall_args;
   55 int ia32_fetch_syscall_args(struct thread *td);
   56 void ia32_set_syscall_retval(struct thread *, int);
   57 void ia32_fixlimit(struct rlimit *rl, int which);
   58 
   59 #endif  /* _COMPAT_IA32_IA32_UTIL_H */

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