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

     /*-
      * Copyright (c) 1998-1999 Andrew Gallatin
      * 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
     *    in this position and unchanged.
     * 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. The name of the author may not be used to endorse or promote products
     *    derived from this software withough specific prior written permission
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
     *
     * $FreeBSD$
     */
    
    #ifndef _COMPAT_IA32_IA32_UTIL_H
    #define _COMPAT_IA32_IA32_UTIL_H
    
    #include <vm/vm.h>
    #include <vm/vm_param.h>
    #include <vm/pmap.h>
    
    
    #include <sys/exec.h>
    #include <sys/sysent.h>
    #include <sys/cdefs.h>
    
    #ifdef __ia64__
    #define FREEBSD32_USRSTACK      ((1ul << 32) - IA32_PAGE_SIZE * 2)
    #else
    #define FREEBSD32_USRSTACK      ((1ul << 32) - IA32_PAGE_SIZE)
    #endif
    
    #define IA32_PAGE_SIZE  4096
    #define IA32_MAXDSIZ    (512*1024*1024)         /* 512MB */
    #define IA32_MAXSSIZ    (64*1024*1024)          /* 64MB */
    #define IA32_MAXVMEM    0                       /* Unlimited */
    
    struct syscall_args;
    int ia32_fetch_syscall_args(struct thread *td, struct syscall_args *sa);
    void ia32_set_syscall_retval(struct thread *, int);
    
    #endif

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