FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/common/linux_mmap.h

     /*      $NetBSD: linux_mmap.h,v 1.15 2003/06/23 21:26:00 christos Exp $ */
     
     /*-
      * Copyright (c) 1998 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Frank van der Linden and Eric Haszlakiewicz.
      *
     * 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. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the NetBSD
     *      Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation 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 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.
     */
    
    #ifndef _LINUX_MMAP_H
    #define _LINUX_MMAP_H
    
    #define LINUX_PROT_NONE         0x00
    #define LINUX_PROT_READ         0x01
    #define LINUX_PROT_WRITE        0x02
    #define LINUX_PROT_EXEC         0x04
    
    #define LINUX_MAP_SHARED        0x0001
    #define LINUX_MAP_PRIVATE       0x0002
    
    #if defined(__i386__)
    #include <compat/linux/arch/i386/linux_mmap.h>
    #elif defined(__m68k__)
    #include <compat/linux/arch/m68k/linux_mmap.h>
    #elif defined(__alpha__)
    #include <compat/linux/arch/alpha/linux_mmap.h>
    #elif defined(__powerpc__)
    #include <compat/linux/arch/powerpc/linux_mmap.h>
    #elif defined(__mips__)
    #include <compat/linux/arch/mips/linux_mmap.h>
    #elif defined(__arm__)
    #include <compat/linux/arch/arm/linux_mmap.h>
    /*
     * XXX ERH: All below here are guesses.  The header
     * XXX ERH: files are correct but the defined(*)
     * XXX ERH: probably aren't
     *
     * XXX ERH: Can probably drop some of these headers: linux
     * XXX ERH: is stupid about compat stuff.  It doesn't really
     * XXX ERH: use all the defines, but I don't want to go looking
     * XXX ERH: through all the kernel sources right now.
     */
    #elif defined(__sparc__)
    #include <compat/linux/arch/sparc/linux_mmap.h>
    #else
    #error Undefined linux_mmap.h machine type.
    #endif
    
    /*
     * Ensure the linux_sys_mmap syscall appears to exist:
     */
    struct linux_sys_mmap_args {
            syscallarg(unsigned long) addr;
            syscallarg(size_t) len;
            syscallarg(int) prot;
            syscallarg(int) flags;
            syscallarg(int) fd;
            syscallarg(linux_off_t) offset;
    };
    
    /*
     * Same arguments, but different meaning for "offset".
     * See linux_misc.c:linux_sys_mmap2().
     */
    #define linux_sys_mmap2_args linux_sys_mmap_args
    
    #ifdef _KERNEL
    __BEGIN_DECLS
    int linux_sys_mmap __P((struct lwp *p, void *v, register_t *retval));
    int linux_sys_mmap2 __P((struct lwp *p, void *v, register_t *retval));
   __END_DECLS
   #endif /* !_KERNEL */
   
   #endif /* !_LINUX_MMAP_H */

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