linux.hh revision 11414:cfad34a15729 
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#ifndef __ARCH_POWER_LINUX_LINUX_HH__
33#define __ARCH_POWER_LINUX_LINUX_HH__
34
35#include "kern/linux/linux.hh"
36
37/*
38 * This works for a 2.6.15 kernel.
39 */
40
41class PowerLinux : public Linux
42{
43  public:
44
45    typedef int32_t time_t;
46
47    typedef struct {
48        uint64_t st_dev;
49        uint32_t __pad1;
50        uint32_t st_ino;
51        uint32_t st_mode;
52        uint32_t st_nlink;
53        uint32_t st_uid;
54        uint32_t st_gid;
55        uint64_t st_rdev;
56        uint32_t __pad2;
57        uint32_t st_size;
58        uint32_t st_blksize;
59        uint32_t st_blocks;
60        uint32_t st_atimeX;
61        uint32_t st_atime_nsec;
62        uint32_t st_mtimeX;
63        uint32_t st_mtime_nsec;
64        uint32_t st_ctimeX;
65        uint32_t st_ctime_nsec;
66        uint32_t __unused4;
67        uint32_t __unused5;
68    } tgt_stat;
69
70    typedef struct {
71        uint64_t st_dev;
72        uint64_t st_ino;
73        uint32_t st_mode;
74        uint32_t st_nlink;
75        uint32_t st_uid;
76        uint32_t st_gid;
77        uint64_t st_rdev;
78        uint64_t __pad2;
79        uint64_t st_size;
80        uint32_t st_blksize;
81        uint32_t __blksize_pad;
82        uint64_t st_blocks;
83        uint32_t st_atimeX;
84        uint32_t st_atime_nsec;
85        uint32_t st_mtimeX;
86        uint32_t st_mtime_nsec;
87        uint32_t st_ctimeX;
88        uint32_t st_ctime_nsec;
89        uint32_t __unused4;
90        uint32_t __unused5;
91    } tgt_stat64;
92
93    /// For times().
94    struct tms {
95        int32_t tms_utime;      //!< user time
96        int32_t tms_stime;      //!< system time
97        int32_t tms_cutime;     //!< user time of children
98        int32_t tms_cstime;     //!< system time of children
99    };
100
101    static const int TGT_SIGHUP         = 0x000001;
102    static const int TGT_SIGINT         = 0x000002;
103    static const int TGT_SIGQUIT        = 0x000003;
104    static const int TGT_SIGILL         = 0x000004;
105    static const int TGT_SIGTRAP        = 0x000005;
106    static const int TGT_SIGABRT        = 0x000006;
107    static const int TGT_SIGIOT         = 0x000006;
108    static const int TGT_SIGBUS         = 0x000007;
109    static const int TGT_SIGFPE         = 0x000008;
110    static const int TGT_SIGKILL        = 0x000009;
111    static const int TGT_SIGUSR1        = 0x00000a;
112    static const int TGT_SIGSEGV        = 0x00000b;
113    static const int TGT_SIGUSR2        = 0x00000c;
114    static const int TGT_SIGPIPE        = 0x00000d;
115    static const int TGT_SIGALRM        = 0x00000e;
116    static const int TGT_SIGTERM        = 0x00000f;
117    static const int TGT_SIGSTKFLT      = 0x000010;
118    static const int TGT_SIGCHLD        = 0x000011;
119    static const int TGT_SIGCONT        = 0x000012;
120    static const int TGT_SIGSTOP        = 0x000013;
121    static const int TGT_SIGTSTP        = 0x000014;
122    static const int TGT_SIGTTIN        = 0x000015;
123    static const int TGT_SIGTTOU        = 0x000016;
124    static const int TGT_SIGURG         = 0x000017;
125    static const int TGT_SIGXCPU        = 0x000018;
126    static const int TGT_SIGXFSZ        = 0x000019;
127    static const int TGT_SIGVTALRM      = 0x00001a;
128    static const int TGT_SIGPROF        = 0x00001b;
129    static const int TGT_SIGWINCH       = 0x00001c;
130    static const int TGT_SIGIO          = 0x00001d;
131    static const int TGT_SIGPOLL        = 0x00001d;
132    static const int TGT_SIGPWR         = 0x00001e;
133    static const int TGT_SIGSYS         = 0x00001f;
134    static const int TGT_SIGUNUSED      = 0x00001f;
135
136    /// This table maps the target open() flags to the corresponding
137    /// host open() flags.
138    static SyscallFlagTransTable openFlagTable[];
139
140    /// Number of entries in openFlagTable[].
141    static const int NUM_OPEN_FLAGS;
142
143    //@{
144    /// open(2) flag values.
145    static const int TGT_O_RDONLY    = 000000000; //!< O_RDONLY
146    static const int TGT_O_WRONLY    = 000000001; //!< O_WRONLY
147    static const int TGT_O_RDWR      = 000000002; //!< O_RDWR
148    static const int TGT_O_CREAT     = 000000100; //!< O_CREAT
149    static const int TGT_O_EXCL      = 000000200; //!< O_EXCL
150    static const int TGT_O_NOCTTY    = 000000400; //!< O_NOCTTY
151    static const int TGT_O_TRUNC     = 000001000; //!< O_TRUNC
152    static const int TGT_O_APPEND    = 000002000; //!< O_APPEND
153    static const int TGT_O_NONBLOCK  = 000004000; //!< O_NONBLOCK
154    static const int TGT_O_DSYNC     = 000010000; //!< O_DSYNC
155    static const int TGT_FASYNC      = 000020000; //!< FASYNC
156    static const int TGT_O_DIRECT    = 000400000; //!< O_DIRECT
157    static const int TGT_O_LARGEFILE = 000200000; //!< O_LARGEFILE
158    static const int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY
159    static const int TGT_O_NOFOLLOW  = 000100000; //!< O_NOFOLLOW
160    static const int TGT_O_NOATIME   = 001000000; //!< O_NOATIME
161    static const int TGT_O_CLOEXEC   = 002000000; //!< O_CLOEXEC
162    static const int TGT_O_SYNC      = 004010000; //!< O_SYNC
163    static const int TGT_O_PATH      = 010000000; //!< O_PATH
164    //@}
165
166    static const unsigned TGT_MAP_SHARED        = 0x00001;
167    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
168    static const unsigned TGT_MAP_ANON          = 0x00020;
169    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
170    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
171    static const unsigned TGT_MAP_FILE          = 0x00000;
172    static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
173    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
174    static const unsigned TGT_MAP_LOCKED        = 0x00080;
175    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
176    static const unsigned TGT_MAP_NORESERVE     = 0x00040;
177    static const unsigned TGT_MAP_POPULATE      = 0x08000;
178    static const unsigned TGT_MAP_STACK         = 0x20000;
179    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
180    static const unsigned TGT_MAP_FIXED         = 0x00010;
181
182    static const unsigned NUM_MMAP_FLAGS;
183
184    //@{
185    /// ioctl() command codes.
186    static const unsigned TGT_TIOCGETP   = 0x40067408;
187    static const unsigned TGT_TIOCSETP   = 0x80067409;
188    static const unsigned TGT_TIOCSETN   = 0x8006740a;
189    static const unsigned TGT_TIOCSETC   = 0x80067411;
190    static const unsigned TGT_TIOCGETC   = 0x40067412;
191    static const unsigned TGT_FIONREAD   = 0x4004667f;
192    static const unsigned TGT_TCGETS     = 0x402c7413;
193    static const unsigned TGT_TCGETA     = 0x40127417;
194    static const unsigned TGT_TCSETAW    = 0x80147419; // 2.6.15 kernel
195    //@}
196
197    static bool
198    isTtyReq(unsigned req)
199    {
200        switch (req) {
201          case TGT_TIOCGETP:
202          case TGT_TIOCSETP:
203          case TGT_TIOCSETN:
204          case TGT_TIOCSETC:
205          case TGT_TIOCGETC:
206          case TGT_TCGETS:
207          case TGT_TCGETA:
208          case TGT_TCSETAW:
209            return true;
210          default:
211            return false;
212        }
213    }
214};
215
216#endif // __ARCH_POWER_LINUX_LINUX_HH__
217