1/* Hosted File I/O interface definitions, for GDB, the GNU Debugger.
2
3   Copyright 2003, 2007 Free Software Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or
6   modify it under the terms of the GNU General Public License as
7   published by the Free Software Foundation; either version 2 of the
8   License, or (at your option) any later version.
9
10   This program is distributed in the hope that it will be useful, but
11   WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program; if not, write to the Free Software
17   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
18   02111-1307, USA.  */
19
20#ifndef GDB_FILEIO_H_
21#define GDB_FILEIO_H_
22
23/* The following flags are defined to be independent of the host
24   as well as the target side implementation of these constants.
25   All constants are defined with a leading FILEIO_ in the name
26   to allow the usage of these constants together with the
27   corresponding implementation dependent constants in one module. */
28
29/* open(2) flags */
30#define FILEIO_O_RDONLY           0x0
31#define FILEIO_O_WRONLY           0x1
32#define FILEIO_O_RDWR             0x2
33#define FILEIO_O_APPEND           0x8
34#define FILEIO_O_CREAT          0x200
35#define FILEIO_O_TRUNC          0x400
36#define FILEIO_O_EXCL           0x800
37#define FILEIO_O_SUPPORTED	(FILEIO_O_RDONLY | FILEIO_O_WRONLY| \
38				 FILEIO_O_RDWR   | FILEIO_O_APPEND| \
39				 FILEIO_O_CREAT  | FILEIO_O_TRUNC| \
40				 FILEIO_O_EXCL)
41
42/* mode_t bits */
43#define FILEIO_S_IFREG        0100000
44#define FILEIO_S_IFDIR         040000
45#define FILEIO_S_IFCHR         020000
46#define FILEIO_S_IRUSR           0400
47#define FILEIO_S_IWUSR           0200
48#define FILEIO_S_IXUSR           0100
49#define FILEIO_S_IRWXU           0700
50#define FILEIO_S_IRGRP            040
51#define FILEIO_S_IWGRP            020
52#define FILEIO_S_IXGRP            010
53#define FILEIO_S_IRWXG            070
54#define FILEIO_S_IROTH             04
55#define FILEIO_S_IWOTH             02
56#define FILEIO_S_IXOTH             01
57#define FILEIO_S_IRWXO             07
58#define FILEIO_S_SUPPORTED         (FILEIO_S_IFREG|FILEIO_S_IFDIR|  \
59				    FILEIO_S_IRWXU|FILEIO_S_IRWXG|  \
60                                    FILEIO_S_IRWXO)
61
62/* lseek(2) flags */
63#define FILEIO_SEEK_SET             0
64#define FILEIO_SEEK_CUR             1
65#define FILEIO_SEEK_END             2
66
67/* errno values */
68#define FILEIO_EPERM                1
69#define FILEIO_ENOENT               2
70#define FILEIO_EINTR                4
71#define FILEIO_EIO                  5
72#define FILEIO_EBADF                9
73#define FILEIO_EACCES              13
74#define FILEIO_EFAULT              14
75#define FILEIO_EBUSY               16
76#define FILEIO_EEXIST              17
77#define FILEIO_ENODEV              19
78#define FILEIO_ENOTDIR             20
79#define FILEIO_EISDIR              21
80#define FILEIO_EINVAL              22
81#define FILEIO_ENFILE              23
82#define FILEIO_EMFILE              24
83#define FILEIO_EFBIG               27
84#define FILEIO_ENOSPC              28
85#define FILEIO_ESPIPE              29
86#define FILEIO_EROFS               30
87#define FILEIO_ENOSYS		   88
88#define FILEIO_ENAMETOOLONG        91
89#define FILEIO_EUNKNOWN          9999
90
91/* limits */
92#define FILEIO_INT_MIN    -2147483648L
93#define FILEIO_INT_MAX     2147483647L
94#define FILEIO_UINT_MAX    4294967295UL
95#define FILEIO_LONG_MIN   -9223372036854775808LL
96#define FILEIO_LONG_MAX    9223372036854775807LL
97#define FILEIO_ULONG_MAX   18446744073709551615ULL
98
99/* Integral types as used in protocol. */
100#if 0
101typedef __int32_t fio_int_t;
102typedef __uint32_t fio_uint_t, fio_mode_t, fio_time_t;
103typedef __int64_t fio_long_t;
104typedef __uint64_t fio_ulong_t;
105#endif
106
107#define FIO_INT_LEN   4
108#define FIO_UINT_LEN  4
109#define FIO_MODE_LEN  4
110#define FIO_TIME_LEN  4
111#define FIO_LONG_LEN  8
112#define FIO_ULONG_LEN 8
113
114typedef char fio_int_t[FIO_INT_LEN];
115typedef char fio_uint_t[FIO_UINT_LEN];
116typedef char fio_mode_t[FIO_MODE_LEN];
117typedef char fio_time_t[FIO_TIME_LEN];
118typedef char fio_long_t[FIO_LONG_LEN];
119typedef char fio_ulong_t[FIO_ULONG_LEN];
120
121/* Struct stat as used in protocol.  For complete independence
122   of host/target systems, it's defined as an array with offsets
123   to the members. */
124
125struct fio_stat {
126  fio_uint_t  fst_dev;
127  fio_uint_t  fst_ino;
128  fio_mode_t  fst_mode;
129  fio_uint_t  fst_nlink;
130  fio_uint_t  fst_uid;
131  fio_uint_t  fst_gid;
132  fio_uint_t  fst_rdev;
133  fio_ulong_t fst_size;
134  fio_ulong_t fst_blksize;
135  fio_ulong_t fst_blocks;
136  fio_time_t  fst_atime;
137  fio_time_t  fst_mtime;
138  fio_time_t  fst_ctime;
139};
140
141struct fio_timeval {
142  fio_time_t  ftv_sec;
143  fio_long_t  ftv_usec;
144};
145
146#endif /* GDB_FILEIO_H_ */
147