linux.cc revision 11383:5ac090acd180 
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * Copyright (c) 2009 The University of Edinburgh
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Authors: Timothy M. Jones
30 */
31
32#include "arch/power/linux/linux.hh"
33
34#include <fcntl.h>
35#include <sys/mman.h>
36
37// open(2) flags translation table
38SyscallFlagTransTable PowerLinux::openFlagTable[] = {
39#ifdef _MSC_VER
40  { PowerLinux::TGT_O_RDONLY,    _O_RDONLY },
41  { PowerLinux::TGT_O_WRONLY,    _O_WRONLY },
42  { PowerLinux::TGT_O_RDWR,      _O_RDWR },
43  { PowerLinux::TGT_O_CREAT,     _O_CREAT },
44  { PowerLinux::TGT_O_EXCL,      _O_EXCL },
45#ifdef _O_NOCTTY
46  { PowerLinux::TGT_O_NOCTTY,    _O_NOCTTY },
47#endif
48  { PowerLinux::TGT_O_TRUNC,     _O_TRUNC },
49  { PowerLinux::TGT_O_APPEND,    _O_APPEND },
50#ifdef _O_NONBLOCK
51  { PowerLinux::TGT_O_NONBLOCK,  _O_NONBLOCK },
52#endif
53#ifdef _O_DSYNC
54  { PowerLinux::TGT_O_DSYNC,     _O_DSYNC },
55#endif
56  { PowerLinux::TGT_FASYNC,      _O_ASYNC },
57  { PowerLinux::TGT_O_DIRECT,    _O_DIRECT },
58#ifdef _O_LARGEFILE
59  { PowerLinux::TGT_O_LARGEFILE, _O_LARGEFILE },
60#endif
61  { PowerLinux::TGT_O_DIRECTORY, _O_DIRECTORY },
62  { PowerLinux::TGT_O_NOFOLLOW,  _O_NOFOLLOW },
63  { PowerLinux::TGT_O_NOATIME,   _O_NOATIME },
64#ifdef _O_CLOEXEC
65  { PowerLinux::TGT_O_CLOEXEC,   _O_CLOEXEC },
66#endif
67#ifdef _O_SYNC
68  { PowerLinux::TGT_O_SYNC,      _O_SYNC },
69#endif
70#ifdef _O_PATH
71  { PowerLinux::TGT_O_PATH,      _O_PATH},
72#endif
73#else /* !_MSC_VER */
74  { PowerLinux::TGT_O_RDONLY,    O_RDONLY },
75  { PowerLinux::TGT_O_WRONLY,    O_WRONLY },
76  { PowerLinux::TGT_O_RDWR,      O_RDWR },
77  { PowerLinux::TGT_O_CREAT,     O_CREAT },
78  { PowerLinux::TGT_O_EXCL,      O_EXCL },
79  { PowerLinux::TGT_O_NOCTTY,    O_NOCTTY },
80  { PowerLinux::TGT_O_TRUNC,     O_TRUNC },
81  { PowerLinux::TGT_O_APPEND,    O_APPEND },
82  { PowerLinux::TGT_O_NONBLOCK,  O_NONBLOCK },
83#ifdef O_DSYNC
84  { PowerLinux::TGT_O_DSYNC,     O_DSYNC },
85#endif
86  { PowerLinux::TGT_FASYNC,      O_ASYNC },
87  { PowerLinux::TGT_O_DIRECT,    O_DIRECT },
88#ifdef O_LARGEFILE
89  { PowerLinux::TGT_O_LARGEFILE, O_LARGEFILE },
90#endif
91  { PowerLinux::TGT_O_DIRECTORY, O_DIRECTORY },
92  { PowerLinux::TGT_O_NOFOLLOW,  O_NOFOLLOW },
93  { PowerLinux::TGT_O_NOATIME,   O_NOATIME },
94#ifdef O_CLOEXEC
95  { PowerLinux::TGT_O_CLOEXEC,   O_CLOEXEC },
96#endif
97#ifdef O_SYNC
98  { PowerLinux::TGT_O_SYNC,      O_SYNC },
99#endif
100#ifdef O_PATH
101  { PowerLinux::TGT_O_PATH,      O_PATH},
102#endif
103#endif /* _MSC_VER */
104};
105
106const int PowerLinux::NUM_OPEN_FLAGS =
107        (sizeof(PowerLinux::openFlagTable)/sizeof(PowerLinux::openFlagTable[0]));
108
109// mmap(2) flags translation table
110SyscallFlagTransTable PowerLinux::mmapFlagTable[] = {
111  { PowerLinux::TGT_MAP_SHARED,     MAP_SHARED },
112  { PowerLinux::TGT_MAP_PRIVATE,    MAP_PRIVATE },
113  { PowerLinux::TGT_MAP_ANON,       MAP_ANON },
114  { PowerLinux::TGT_MAP_DENYWRITE,  MAP_DENYWRITE },
115  { PowerLinux::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
116  { PowerLinux::TGT_MAP_FILE,       MAP_FILE },
117  { PowerLinux::TGT_MAP_GROWSDOWN,  MAP_GROWSDOWN },
118  { PowerLinux::TGT_MAP_HUGETLB,    MAP_HUGETLB },
119  { PowerLinux::TGT_MAP_LOCKED,     MAP_LOCKED },
120  { PowerLinux::TGT_MAP_NONBLOCK,   MAP_NONBLOCK },
121  { PowerLinux::TGT_MAP_NORESERVE,  MAP_NORESERVE },
122  { PowerLinux::TGT_MAP_POPULATE,   MAP_POPULATE },
123#ifdef MAP_STACK
124  { PowerLinux::TGT_MAP_STACK,      MAP_STACK },
125#endif
126  { PowerLinux::TGT_MAP_ANONYMOUS,  MAP_ANONYMOUS },
127  { PowerLinux::TGT_MAP_FIXED,      MAP_FIXED },
128};
129
130const unsigned PowerLinux::NUM_MMAP_FLAGS =
131        sizeof(PowerLinux::mmapFlagTable) /
132        sizeof(PowerLinux::mmapFlagTable[0]);
133
134