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791c0056 GB |
1 | /* Remote File-I/O communications |
2 | ||
3 | Copyright (C) 2003-2015 Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "common-defs.h" | |
21 | #include "common-remote-fileio.h" | |
22 | #include <sys/stat.h> | |
23 | ||
b88bb450 GB |
24 | /* See common-remote-fileio.h. */ |
25 | ||
26 | int | |
27 | remote_fileio_to_fio_error (int error) | |
28 | { | |
29 | switch (error) | |
30 | { | |
31 | case EPERM: | |
32 | return FILEIO_EPERM; | |
33 | case ENOENT: | |
34 | return FILEIO_ENOENT; | |
35 | case EINTR: | |
36 | return FILEIO_EINTR; | |
37 | case EIO: | |
38 | return FILEIO_EIO; | |
39 | case EBADF: | |
40 | return FILEIO_EBADF; | |
41 | case EACCES: | |
42 | return FILEIO_EACCES; | |
43 | case EFAULT: | |
44 | return FILEIO_EFAULT; | |
45 | case EBUSY: | |
46 | return FILEIO_EBUSY; | |
47 | case EEXIST: | |
48 | return FILEIO_EEXIST; | |
49 | case ENODEV: | |
50 | return FILEIO_ENODEV; | |
51 | case ENOTDIR: | |
52 | return FILEIO_ENOTDIR; | |
53 | case EISDIR: | |
54 | return FILEIO_EISDIR; | |
55 | case EINVAL: | |
56 | return FILEIO_EINVAL; | |
57 | case ENFILE: | |
58 | return FILEIO_ENFILE; | |
59 | case EMFILE: | |
60 | return FILEIO_EMFILE; | |
61 | case EFBIG: | |
62 | return FILEIO_EFBIG; | |
63 | case ENOSPC: | |
64 | return FILEIO_ENOSPC; | |
65 | case ESPIPE: | |
66 | return FILEIO_ESPIPE; | |
67 | case EROFS: | |
68 | return FILEIO_EROFS; | |
69 | case ENOSYS: | |
70 | return FILEIO_ENOSYS; | |
71 | case ENAMETOOLONG: | |
72 | return FILEIO_ENAMETOOLONG; | |
73 | } | |
74 | return FILEIO_EUNKNOWN; | |
75 | } | |
76 | ||
791c0056 GB |
77 | /* Convert a host-format mode_t into a bitmask of File-I/O flags. */ |
78 | ||
79 | static LONGEST | |
80 | remote_fileio_mode_to_target (mode_t mode) | |
81 | { | |
82 | mode_t tmode = 0; | |
83 | ||
84 | if (S_ISREG (mode)) | |
85 | tmode |= FILEIO_S_IFREG; | |
86 | if (S_ISDIR (mode)) | |
87 | tmode |= FILEIO_S_IFDIR; | |
88 | if (S_ISCHR (mode)) | |
89 | tmode |= FILEIO_S_IFCHR; | |
90 | if (mode & S_IRUSR) | |
91 | tmode |= FILEIO_S_IRUSR; | |
92 | if (mode & S_IWUSR) | |
93 | tmode |= FILEIO_S_IWUSR; | |
94 | if (mode & S_IXUSR) | |
95 | tmode |= FILEIO_S_IXUSR; | |
96 | #ifdef S_IRGRP | |
97 | if (mode & S_IRGRP) | |
98 | tmode |= FILEIO_S_IRGRP; | |
99 | #endif | |
100 | #ifdef S_IWRGRP | |
101 | if (mode & S_IWGRP) | |
102 | tmode |= FILEIO_S_IWGRP; | |
103 | #endif | |
104 | #ifdef S_IXGRP | |
105 | if (mode & S_IXGRP) | |
106 | tmode |= FILEIO_S_IXGRP; | |
107 | #endif | |
108 | if (mode & S_IROTH) | |
109 | tmode |= FILEIO_S_IROTH; | |
110 | #ifdef S_IWOTH | |
111 | if (mode & S_IWOTH) | |
112 | tmode |= FILEIO_S_IWOTH; | |
113 | #endif | |
114 | #ifdef S_IXOTH | |
115 | if (mode & S_IXOTH) | |
116 | tmode |= FILEIO_S_IXOTH; | |
117 | #endif | |
118 | return tmode; | |
119 | } | |
120 | ||
121 | /* Pack a host-format mode_t into an fio_mode_t. */ | |
122 | ||
123 | static void | |
124 | remote_fileio_to_fio_mode (mode_t num, fio_mode_t fnum) | |
125 | { | |
126 | remote_fileio_to_be (remote_fileio_mode_to_target (num), | |
127 | (char *) fnum, 4); | |
128 | } | |
129 | ||
130 | /* Pack a host-format integer into an fio_ulong_t. */ | |
131 | ||
132 | static void | |
133 | remote_fileio_to_fio_ulong (LONGEST num, fio_ulong_t fnum) | |
134 | { | |
135 | remote_fileio_to_be (num, (char *) fnum, 8); | |
136 | } | |
137 | ||
138 | /* See common-remote-fileio.h. */ | |
139 | ||
140 | void | |
141 | remote_fileio_to_fio_stat (struct stat *st, struct fio_stat *fst) | |
142 | { | |
143 | LONGEST blksize; | |
144 | ||
145 | remote_fileio_to_fio_uint ((long) st->st_dev, fst->fst_dev); | |
146 | remote_fileio_to_fio_uint ((long) st->st_ino, fst->fst_ino); | |
147 | remote_fileio_to_fio_mode (st->st_mode, fst->fst_mode); | |
148 | remote_fileio_to_fio_uint ((long) st->st_nlink, fst->fst_nlink); | |
149 | remote_fileio_to_fio_uint ((long) st->st_uid, fst->fst_uid); | |
150 | remote_fileio_to_fio_uint ((long) st->st_gid, fst->fst_gid); | |
151 | remote_fileio_to_fio_uint ((long) st->st_rdev, fst->fst_rdev); | |
152 | remote_fileio_to_fio_ulong ((LONGEST) st->st_size, fst->fst_size); | |
153 | #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE | |
154 | blksize = st->st_blksize; | |
155 | #else | |
156 | blksize = 512; | |
157 | #endif | |
158 | remote_fileio_to_fio_ulong (blksize, fst->fst_blksize); | |
159 | #if HAVE_STRUCT_STAT_ST_BLOCKS | |
160 | remote_fileio_to_fio_ulong ((LONGEST) st->st_blocks, fst->fst_blocks); | |
161 | #else | |
162 | /* FIXME: This is correct for DJGPP, but other systems that don't | |
163 | have st_blocks, if any, might prefer 512 instead of st_blksize. | |
164 | (eliz, 30-12-2003) */ | |
165 | remote_fileio_to_fio_ulong (((LONGEST) st->st_size + blksize - 1) | |
166 | / blksize, | |
167 | fst->fst_blocks); | |
168 | #endif | |
169 | remote_fileio_to_fio_time (st->st_atime, fst->fst_atime); | |
170 | remote_fileio_to_fio_time (st->st_mtime, fst->fst_mtime); | |
171 | remote_fileio_to_fio_time (st->st_ctime, fst->fst_ctime); | |
172 | } |