1/*
2 * Copyright (c) 2015 Advanced Micro Devices, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: David Hashe
29 */
30
31#ifndef __SIM_REDIRECT_PATH_HH__
32#define __SIM_REDIRECT_PATH_HH__
33
34#include <string>
35#include <vector>
36
37#include "params/RedirectPath.hh"
38#include "sim/sim_object.hh"
39
40/**
41 * RedirectPath stores a mapping from one 'appPath' to a vector of
42 * 'hostPath'. Each 'appPath' and 'hostPath' is a filesystem path.
43 * Used by process.cc to redirect syscall accesses to different directories.
44 */
45class RedirectPath : public SimObject
46{
47  public:
48    RedirectPath(const RedirectPathParams *p);
49
50    const std::string& appPath() { return _appPath; };
51    const std::vector<std::string>& hostPaths() { return _hostPaths; };
52
53  protected:
54    /**
55     * An appPath is a path which needs to be redirected and replaced
56     * by one of the corresponding hostPath (when accessing files on the host
57     * filesystem.)
58     */
59     // _appPath holds the path as it would appear from an app's perspective.
60    std::string _appPath;
61     // _hostPaths holds a set of host filesystem paths
62    std::vector<std::string> _hostPaths;
63};
64
65#endif
66