linux.cc revision 11383 
1/*
2 * Copyright (c) 2011 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2003-2005 The Regents of The University of Michigan
15 * Copyright (c) 2007-2008 The Florida State University
16 * All rights reserved.
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions are
20 * met: redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer;
22 * redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution;
25 * neither the name of the copyright holders nor the names of its
26 * contributors may be used to endorse or promote products derived from
27 * this software without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Authors: Stephen Hines
42 */
43
44#include "arch/arm/linux/linux.hh"
45
46#include <fcntl.h>
47#include <sys/mman.h>
48
49// open(2) flags translation table
50SyscallFlagTransTable ArmLinux32::openFlagTable[] = {
51#ifdef _MSC_VER
52  { ArmLinux32::TGT_O_RDONLY,     _O_RDONLY },
53  { ArmLinux32::TGT_O_WRONLY,     _O_WRONLY },
54  { ArmLinux32::TGT_O_RDWR,       _O_RDWR },
55  { ArmLinux32::TGT_O_CREAT,      _O_CREAT },
56  { ArmLinux32::TGT_O_EXCL,       _O_EXCL },
57#ifdef _O_NOCTTY
58  { ArmLinux32::TGT_O_NOCTTY,     _O_NOCTTY },
59#endif
60  { ArmLinux32::TGT_O_TRUNC,      _O_TRUNC },
61  { ArmLinux32::TGT_O_APPEND,     _O_APPEND },
62#ifdef _O_NONBLOCK
63  { ArmLinux32::TGT_O_NONBLOCK,   _O_NONBLOCK },
64#endif
65#ifdef _O_DSYNC
66  { ArmLinux32::TGT_O_DSYNC,      _O_DSYNC },
67#endif
68  { ArmLinux32::TGT_FASYNC,       _O_ASYNC },
69  { ArmLinux32::TGT_O_DIRECT,     _O_DIRECT },
70  { ArmLinux32::TGT_O_LARGEFILE,  _O_LARGEFILE },
71  { ArmLinux32::TGT_O_DIRECTORY,  _O_DIRECTORY },
72  { ArmLinux32::TGT_O_NOFOLLOW,   _O_NOFOLLOW },
73  { ArmLinux32::TGT_O_NOATIME,    _O_NOATIME },
74#ifdef _O_CLOEXEC
75  { ArmLinux32::TGT_O_CLOEXEC,    _O_CLOEXEC },
76#endif
77#ifdef _O_SYNC
78  { ArmLinux32::TGT_O_SYNC,       _O_SYNC },
79#endif
80#ifdef _O_PATH
81  { ArmLinux32::TGT_O_PATH,       _O_PATH },
82#endif
83#else /* !_MSC_VER */
84  { ArmLinux32::TGT_O_RDONLY,     O_RDONLY },
85  { ArmLinux32::TGT_O_WRONLY,     O_WRONLY },
86  { ArmLinux32::TGT_O_RDWR,       O_RDWR },
87  { ArmLinux32::TGT_O_CREAT,      O_CREAT },
88  { ArmLinux32::TGT_O_EXCL,       O_EXCL },
89  { ArmLinux32::TGT_O_NOCTTY,     O_NOCTTY },
90  { ArmLinux32::TGT_O_TRUNC,      O_TRUNC },
91  { ArmLinux32::TGT_O_APPEND,     O_APPEND },
92  { ArmLinux32::TGT_O_NONBLOCK,   O_NONBLOCK },
93#ifdef O_DSYNC
94  { ArmLinux32::TGT_O_DSYNC,      O_DSYNC },
95#endif
96  { ArmLinux32::TGT_FASYNC,       O_ASYNC },
97#ifdef O_DIRECT
98  { ArmLinux32::TGT_O_DIRECT,     O_DIRECT },
99#endif
100#ifdef O_LARGEFILE
101  { ArmLinux32::TGT_O_LARGEFILE,  O_LARGEFILE },
102#endif
103#ifdef O_DIRECTORY
104  { ArmLinux32::TGT_O_DIRECTORY,  O_DIRECTORY },
105#endif
106#ifdef O_NOFOLLOW
107  { ArmLinux32::TGT_O_NOFOLLOW,   O_NOFOLLOW },
108#endif
109  { ArmLinux32::TGT_O_NOATIME,    O_NOATIME },
110#ifdef O_CLOEXEC
111  { ArmLinux32::TGT_O_CLOEXEC,    O_CLOEXEC },
112#endif
113#ifdef O_SYNC
114  { ArmLinux32::TGT_O_SYNC,       O_SYNC },
115#endif
116#ifdef O_PATH
117  { ArmLinux32::TGT_O_PATH,       O_PATH },
118#endif
119#endif /* _MSC_VER */
120};
121
122const int ArmLinux32::NUM_OPEN_FLAGS = sizeof(ArmLinux32::openFlagTable) /
123                                       sizeof(ArmLinux32::openFlagTable[0]);
124
125// mmap(2) flags translation table
126SyscallFlagTransTable ArmLinux32::mmapFlagTable[] = {
127  { ArmLinux32::TGT_MAP_SHARED,     MAP_SHARED },
128  { ArmLinux32::TGT_MAP_PRIVATE,    MAP_PRIVATE },
129  { ArmLinux32::TGT_MAP_ANON,       MAP_ANON },
130  { ArmLinux32::TGT_MAP_DENYWRITE,  MAP_DENYWRITE },
131  { ArmLinux32::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
132  { ArmLinux32::TGT_MAP_FILE,       MAP_FILE },
133  { ArmLinux32::TGT_MAP_GROWSDOWN,  MAP_GROWSDOWN },
134  { ArmLinux32::TGT_MAP_HUGETLB,    MAP_HUGETLB },
135  { ArmLinux32::TGT_MAP_LOCKED,     MAP_LOCKED },
136  { ArmLinux32::TGT_MAP_NONBLOCK,   MAP_NONBLOCK },
137  { ArmLinux32::TGT_MAP_NORESERVE,  MAP_NORESERVE },
138  { ArmLinux32::TGT_MAP_POPULATE,   MAP_POPULATE },
139#ifdef MAP_STACK
140  { ArmLinux32::TGT_MAP_STACK,      MAP_STACK },
141#endif
142  { ArmLinux32::TGT_MAP_ANONYMOUS,  MAP_ANONYMOUS },
143  { ArmLinux32::TGT_MAP_FIXED,      MAP_FIXED },
144};
145
146const unsigned ArmLinux32::NUM_MMAP_FLAGS =
147        sizeof(ArmLinux32::mmapFlagTable) /
148        sizeof(ArmLinux32::mmapFlagTable[0]);
149
150// open(2) flags translation table
151SyscallFlagTransTable ArmLinux64::openFlagTable[] = {
152#ifdef _MSC_VER
153  { ArmLinux64::TGT_O_RDONLY,     _O_RDONLY },
154  { ArmLinux64::TGT_O_WRONLY,     _O_WRONLY },
155  { ArmLinux64::TGT_O_RDWR,       _O_RDWR },
156  { ArmLinux64::TGT_O_CREAT,      _O_CREAT },
157  { ArmLinux64::TGT_O_EXCL,       _O_EXCL },
158#ifdef _O_NOCTTY
159  { ArmLinux64::TGT_O_NOCTTY,     _O_NOCTTY },
160#endif
161  { ArmLinux64::TGT_O_TRUNC,      _O_TRUNC },
162  { ArmLinux64::TGT_O_APPEND,     _O_APPEND },
163#ifdef _O_NONBLOCK
164  { ArmLinux64::TGT_O_NONBLOCK,   _O_NONBLOCK },
165#endif
166#ifdef _O_DSYNC
167  { ArmLinux64::TGT_O_DSYNC,       _O_DSYNC },
168#endif
169  { ArmLinux64::TGT_FASYNC,       _O_ASYNC },
170  { ArmLinux64::TGT_O_DIRECT,     _O_DIRECT },
171  { ArmLinux64::TGT_O_LARGEFILE,  _O_LARGEFILE },
172  { ArmLinux64::TGT_O_DIRECTORY,  _O_DIRECTORY },
173  { ArmLinux64::TGT_O_NOFOLLOW,   _O_NOFOLLOW },
174  { ArmLinux64::TGT_O_NOATIME,    _O_NOATIME },
175#ifdef _O_CLOEXEC
176  { ArmLinux64::TGT_O_CLOEXEC,    _O_CLOEXEC },
177#endif
178#ifdef _O_SYNC
179  { ArmLinux64::TGT_O_SYNC,       _O_SYNC },
180#endif
181#ifdef _O_PATH
182  { ArmLinux64::TGT_O_PATH,       _O_PATH },
183#endif
184#else /* !_MSC_VER */
185  { ArmLinux64::TGT_O_RDONLY,     O_RDONLY },
186  { ArmLinux64::TGT_O_WRONLY,     O_WRONLY },
187  { ArmLinux64::TGT_O_RDWR,       O_RDWR },
188  { ArmLinux64::TGT_O_CREAT,      O_CREAT },
189  { ArmLinux64::TGT_O_EXCL,       O_EXCL },
190  { ArmLinux64::TGT_O_NOCTTY,     O_NOCTTY },
191  { ArmLinux64::TGT_O_TRUNC,      O_TRUNC },
192  { ArmLinux64::TGT_O_APPEND,     O_APPEND },
193  { ArmLinux64::TGT_O_NONBLOCK,   O_NONBLOCK },
194  { ArmLinux64::TGT_O_DSYNC,      O_DSYNC },
195#ifdef FASYNC
196  { ArmLinux64::TGT_FASYNC,       O_ASYNC },
197#endif
198#ifdef O_DIRECT
199  { ArmLinux64::TGT_O_DIRECT,     O_DIRECT },
200#endif
201#ifdef O_LARGEFILE
202  { ArmLinux64::TGT_O_LARGEFILE,  O_LARGEFILE },
203#endif
204#ifdef O_DIRECTORY
205  { ArmLinux64::TGT_O_DIRECTORY,  O_DIRECTORY },
206#endif
207#ifdef O_NOFOLLOW
208  { ArmLinux64::TGT_O_NOFOLLOW,   O_NOFOLLOW },
209#endif
210  { ArmLinux64::TGT_O_NOATIME,    O_NOATIME },
211#ifdef O_CLOEXEC
212  { ArmLinux64::TGT_O_CLOEXEC,    O_CLOEXEC },
213#endif
214#ifdef O_SYNC
215  { ArmLinux64::TGT_O_SYNC,       O_SYNC },
216#endif
217#ifdef O_PATH
218  { ArmLinux64::TGT_O_PATH,       O_PATH },
219#endif
220#endif /* _MSC_VER */
221};
222
223const int ArmLinux64::NUM_OPEN_FLAGS = sizeof(ArmLinux64::openFlagTable) /
224                                       sizeof(ArmLinux64::openFlagTable[0]);
225
226// mmap(2) flags translation table
227SyscallFlagTransTable ArmLinux64::mmapFlagTable[] = {
228  { ArmLinux64::TGT_MAP_SHARED,     MAP_SHARED },
229  { ArmLinux64::TGT_MAP_PRIVATE,    MAP_PRIVATE },
230  { ArmLinux64::TGT_MAP_ANON,       MAP_ANON },
231  { ArmLinux64::TGT_MAP_DENYWRITE,  MAP_DENYWRITE },
232  { ArmLinux64::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE },
233  { ArmLinux64::TGT_MAP_FILE,       MAP_FILE },
234  { ArmLinux64::TGT_MAP_GROWSDOWN,  MAP_GROWSDOWN },
235  { ArmLinux64::TGT_MAP_HUGETLB,    MAP_HUGETLB },
236  { ArmLinux64::TGT_MAP_LOCKED,     MAP_LOCKED },
237  { ArmLinux64::TGT_MAP_NONBLOCK,   MAP_NONBLOCK },
238  { ArmLinux64::TGT_MAP_NORESERVE,  MAP_NORESERVE },
239  { ArmLinux64::TGT_MAP_POPULATE,   MAP_POPULATE },
240#ifdef MAP_STACK
241  { ArmLinux64::TGT_MAP_STACK,      MAP_STACK },
242#endif
243  { ArmLinux64::TGT_MAP_ANONYMOUS,  MAP_ANONYMOUS },
244  { ArmLinux64::TGT_MAP_FIXED,      MAP_FIXED },
245};
246
247const unsigned ArmLinux64::NUM_MMAP_FLAGS =
248        sizeof(ArmLinux64::mmapFlagTable) /
249        sizeof(ArmLinux64::mmapFlagTable[0]);
250
251