bsd-user/bsd-mem.h

   1 /*
   2  *  memory management system call shims and definitions
   3  *
   4  *  Copyright (c) 2013-15 Stacey D. Son
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 /*
  21  * Copyright (c) 1982, 1986, 1993
  22  *      The Regents of the University of California.  All rights reserved.
  23  *
  24  * Redistribution and use in source and binary forms, with or without
  25  * modification, are permitted provided that the following conditions
  26  * are met:
  27  * 1. Redistributions of source code must retain the above copyright
  28  *    notice, this list of conditions and the following disclaimer.
  29  * 2. Redistributions in binary form must reproduce the above copyright
  30  *    notice, this list of conditions and the following disclaimer in the
  31  *    documentation and/or other materials provided with the distribution.
  32  * 4. Neither the name of the University nor the names of its contributors
  33  *    may be used to endorse or promote products derived from this software
  34  *    without specific prior written permission.
  35  *
  36  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  37  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  39  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  40  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  41  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  42  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  43  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  44  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  45  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  46  * SUCH DAMAGE.
  47  */
  48
  49 #ifndef BSD_USER_BSD_MEM_H
  50 #define BSD_USER_BSD_MEM_H
  51
  52 #include <sys/types.h>
  53 #include <sys/ipc.h>
  54 #include <sys/mman.h>
  55 #include <sys/shm.h>
  56 #include <fcntl.h>
  57
  58 #include "qemu-bsd.h"
  59
  60 extern struct bsd_shm_regions bsd_shm_regions[];
  61 extern abi_ulong target_brk;
  62 extern abi_ulong initial_target_brk;
  63
  64 /* mmap(2) */
  65 static inline abi_long do_bsd_mmap(void *cpu_env, abi_long arg1, abi_long arg2,
  66     abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6, abi_long arg7,
  67     abi_long arg8)
  68 {
  69     if (regpairs_aligned(cpu_env) != 0) {
  70         arg6 = arg7;
  71         arg7 = arg8;
  72     }
  73     return get_errno(target_mmap(arg1, arg2, arg3,
  74                                  target_to_host_bitmask(arg4, mmap_flags_tbl),
  75                                  arg5, target_arg64(arg6, arg7)));
  76 }
  77
  78 /* munmap(2) */
  79 static inline abi_long do_bsd_munmap(abi_long arg1, abi_long arg2)
  80 {
  81     return get_errno(target_munmap(arg1, arg2));
  82 }
  83
  84 #endif /* BSD_USER_BSD_MEM_H */