linux.hh revision 11381:516213d2f0cf 
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    /// This table maps the target open() flags to the corresponding
102    /// host open() flags.
103    static SyscallFlagTransTable openFlagTable[];
104
105    /// Number of entries in openFlagTable[].
106    static const int NUM_OPEN_FLAGS;
107
108    //@{
109    /// open(2) flag values.
110    static const int TGT_O_RDONLY    = 00000000; //!< O_RDONLY
111    static const int TGT_O_WRONLY    = 00000001; //!< O_WRONLY
112    static const int TGT_O_RDWR      = 00000002; //!< O_RDWR
113    static const int TGT_O_CREAT     = 00000100; //!< O_CREAT
114    static const int TGT_O_EXCL      = 00000200; //!< O_EXCL
115    static const int TGT_O_NOCTTY    = 00000400; //!< O_NOCTTY
116    static const int TGT_O_TRUNC     = 00001000; //!< O_TRUNC
117    static const int TGT_O_APPEND    = 00002000; //!< O_APPEND
118    static const int TGT_O_NONBLOCK  = 00004000; //!< O_NONBLOCK
119    static const int TGT_O_SYNC      = 00010000; //!< O_SYNC
120    static const int TGT_FASYNC      = 00020000; //!< FASYNC
121    static const int TGT_O_DIRECTORY = 00040000; //!< O_DIRECTORY
122    static const int TGT_O_NOFOLLOW  = 00100000; //!< O_NOFOLLOW
123    static const int TGT_O_LARGEFILE = 00200000; //!< O_LARGEFILE
124    static const int TGT_O_DIRECT    = 00400000; //!< O_DIRECT
125    static const int TGT_O_NOATIME   = 01000000; //!< O_NOATIME
126    //@}
127
128    /// For mmap().
129    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
130    static const unsigned TGT_MAP_FIXED     = 0x10;
131
132    //@{
133    /// ioctl() command codes.
134    static const unsigned TGT_TIOCGETP   = 0x40067408;
135    static const unsigned TGT_TIOCSETP   = 0x80067409;
136    static const unsigned TGT_TIOCSETN   = 0x8006740a;
137    static const unsigned TGT_TIOCSETC   = 0x80067411;
138    static const unsigned TGT_TIOCGETC   = 0x40067412;
139    static const unsigned TGT_FIONREAD   = 0x4004667f;
140    static const unsigned TGT_TCGETS     = 0x402c7413;
141    static const unsigned TGT_TCGETA     = 0x40127417;
142    static const unsigned TGT_TCSETAW    = 0x80147419; // 2.6.15 kernel
143    //@}
144
145    static bool
146    isTtyReq(unsigned req)
147    {
148        switch (req) {
149          case TGT_TIOCGETP:
150          case TGT_TIOCSETP:
151          case TGT_TIOCSETN:
152          case TGT_TIOCSETC:
153          case TGT_TIOCGETC:
154          case TGT_TCGETS:
155          case TGT_TCGETA:
156          case TGT_TCSETAW:
157            return true;
158          default:
159            return false;
160        }
161    }
162};
163
164#endif // __ARCH_POWER_LINUX_LINUX_HH__
165