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b11d79f2 | 1 | /* te-vms.c -- Utilities for VMS. |
2571583a | 2 | Copyright (C) 2009-2017 Free Software Foundation, Inc. |
01e1a5bc NC |
3 | |
4 | Written by Douglas B Rupp <[email protected]> | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ | |
19 | ||
b11d79f2 TG |
20 | #include "as.h" |
21 | #include "te-vms.h" | |
01e1a5bc | 22 | |
33eaf5de | 23 | /* The purpose of the two alternate versions below is to have one that |
efde2f2c NC |
24 | works for native VMS and one that works on an NFS mounted filesystem |
25 | (Unix Server/VMS client). The main issue being to generate the special | |
26 | VMS file timestamps for the debug info. */ | |
27 | ||
01e1a5bc NC |
28 | #ifdef VMS |
29 | #define __NEW_STARLET 1 | |
30 | #include <vms/starlet.h> | |
31 | #include <vms/rms.h> | |
32 | #include <vms/atrdef.h> | |
33 | #include <vms/fibdef.h> | |
34 | #include <vms/stsdef.h> | |
35 | #include <vms/iodef.h> | |
36 | #include <vms/fatdef.h> | |
37 | #include <errno.h> | |
38 | #include <vms/descrip.h> | |
39 | #include <string.h> | |
40 | #include <unixlib.h> | |
41 | ||
42 | #define MAXPATH 256 | |
43 | ||
44 | /* Descrip.h doesn't have everything... */ | |
45 | typedef struct fibdef * __fibdef_ptr32 __attribute__ (( mode (SI) )); | |
46 | ||
47 | struct dsc$descriptor_fib | |
48 | { | |
49 | unsigned int fib$l_len; | |
50 | __fibdef_ptr32 fib$l_addr; | |
51 | }; | |
52 | ||
53 | /* I/O Status Block. */ | |
54 | struct IOSB | |
55 | { | |
56 | unsigned short status, count; | |
57 | unsigned int devdep; | |
58 | }; | |
59 | ||
60 | static char *tryfile; | |
61 | ||
62 | /* Variable length string. */ | |
63 | struct vstring | |
64 | { | |
65 | short length; | |
66 | char string[NAM$C_MAXRSS+1]; | |
67 | }; | |
68 | ||
69 | static char filename_buff [MAXPATH]; | |
70 | static char vms_filespec [MAXPATH]; | |
71 | ||
72 | /* Callback function for filespec style conversion. */ | |
73 | ||
74 | static int | |
75 | translate_unix (char *name, int type ATTRIBUTE_UNUSED) | |
76 | { | |
77 | strncpy (filename_buff, name, MAXPATH); | |
78 | filename_buff [MAXPATH - 1] = (char) 0; | |
79 | return 0; | |
80 | } | |
81 | ||
82 | /* Wrapper for DECC function that converts a Unix filespec | |
83 | to VMS style filespec. */ | |
84 | ||
85 | static char * | |
86 | to_vms_file_spec (char *filespec) | |
87 | { | |
88 | strncpy (vms_filespec, "", MAXPATH); | |
89 | decc$to_vms (filespec, translate_unix, 1, 1); | |
90 | strncpy (vms_filespec, filename_buff, MAXPATH); | |
91 | ||
92 | vms_filespec [MAXPATH - 1] = (char) 0; | |
93 | ||
94 | return vms_filespec; | |
95 | } | |
96 | ||
efde2f2c NC |
97 | #else /* not VMS */ |
98 | ||
99 | #define _BSD_SOURCE 1 | |
01e1a5bc NC |
100 | #include <sys/stat.h> |
101 | #include <time.h> | |
efde2f2c NC |
102 | |
103 | #define VMS_EPOCH_OFFSET 35067168000000000LL | |
104 | #define VMS_GRANULARITY_FACTOR 10000000 | |
105 | ||
106 | #endif /* VMS */ | |
01e1a5bc NC |
107 | |
108 | /* Return VMS file date, size, format, version given a name. */ | |
109 | ||
b11d79f2 TG |
110 | static int |
111 | vms_file_stats_name (const char *dirname, | |
112 | const char *filename, | |
01e1a5bc NC |
113 | long long *cdt, |
114 | long *siz, | |
115 | char *rfo, | |
116 | int *ver) | |
117 | { | |
e1fa0163 NC |
118 | char * fullname; |
119 | ||
01e1a5bc NC |
120 | #ifdef VMS |
121 | struct FAB fab; | |
122 | struct NAM nam; | |
123 | ||
124 | unsigned long long create; | |
125 | FAT recattr; | |
126 | char ascnamebuff [256]; | |
127 | ||
128 | ATRDEF atrlst[] | |
129 | = { | |
130 | { ATR$S_CREDATE, ATR$C_CREDATE, &create }, | |
131 | { ATR$S_RECATTR, ATR$C_RECATTR, &recattr }, | |
132 | { ATR$S_ASCNAME, ATR$C_ASCNAME, &ascnamebuff }, | |
133 | { 0, 0, 0} | |
134 | }; | |
135 | ||
136 | FIBDEF fib; | |
137 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
138 | ||
139 | struct IOSB iosb; | |
140 | ||
141 | long status; | |
142 | unsigned short chan; | |
143 | ||
144 | struct vstring file; | |
145 | struct dsc$descriptor_s filedsc | |
146 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
147 | struct vstring device; | |
148 | struct dsc$descriptor_s devicedsc | |
149 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
150 | struct vstring result; | |
151 | struct dsc$descriptor_s resultdsc | |
152 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
153 | ||
154 | if (strcmp (filename, "<internal>") == 0 | |
155 | || strcmp (filename, "<built-in>") == 0) | |
156 | { | |
157 | if (cdt) | |
158 | *cdt = 0; | |
159 | ||
160 | if (siz) | |
161 | *siz = 0; | |
162 | ||
163 | if (rfo) | |
164 | *rfo = 0; | |
165 | ||
166 | if (ver) | |
167 | *ver = 0; | |
168 | ||
169 | return 0; | |
170 | } | |
171 | ||
e1fa0163 | 172 | fullname = concat (dirname, filename, NULL); |
b11d79f2 | 173 | tryfile = to_vms_file_spec (fullname); |
01e1a5bc NC |
174 | |
175 | /* Allocate and initialize a FAB and NAM structures. */ | |
176 | fab = cc$rms_fab; | |
177 | nam = cc$rms_nam; | |
178 | ||
179 | nam.nam$l_esa = file.string; | |
180 | nam.nam$b_ess = NAM$C_MAXRSS; | |
181 | nam.nam$l_rsa = result.string; | |
182 | nam.nam$b_rss = NAM$C_MAXRSS; | |
183 | fab.fab$l_fna = tryfile; | |
184 | fab.fab$b_fns = strlen (tryfile); | |
185 | fab.fab$l_nam = &nam; | |
186 | ||
187 | /* Validate filespec syntax and device existence. */ | |
188 | status = SYS$PARSE (&fab, 0, 0); | |
189 | if ((status & 1) != 1) | |
e1fa0163 NC |
190 | { |
191 | free (fullname); | |
192 | return 1; | |
193 | } | |
01e1a5bc NC |
194 | |
195 | file.string[nam.nam$b_esl] = 0; | |
196 | ||
197 | /* Find matching filespec. */ | |
198 | status = SYS$SEARCH (&fab, 0, 0); | |
199 | if ((status & 1) != 1) | |
e1fa0163 NC |
200 | { |
201 | free (fullname); | |
202 | return 1; | |
203 | } | |
01e1a5bc NC |
204 | |
205 | file.string[nam.nam$b_esl] = 0; | |
206 | result.string[result.length=nam.nam$b_rsl] = 0; | |
207 | ||
208 | /* Get the device name and assign an IO channel. */ | |
209 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); | |
210 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
211 | chan = 0; | |
212 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
213 | if ((status & 1) != 1) | |
e1fa0163 NC |
214 | { |
215 | free (fullname); | |
216 | return 1; | |
217 | } | |
01e1a5bc NC |
218 | |
219 | /* Initialize the FIB and fill in the directory id field. */ | |
220 | memset (&fib, 0, sizeof (fib)); | |
221 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
222 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
223 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
224 | fib.fib$l_acctl = 0; | |
225 | fib.fib$l_wcc = 0; | |
226 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
227 | filedsc.dsc$w_length = strlen (file.string); | |
228 | result.string[result.length = 0] = 0; | |
229 | ||
230 | /* Open and close the file to fill in the attributes. */ | |
231 | status | |
232 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
233 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
234 | if ((status & 1) != 1) | |
e1fa0163 NC |
235 | { |
236 | free (fullname); | |
237 | return 1; | |
238 | } | |
239 | ||
01e1a5bc | 240 | if ((iosb.status & 1) != 1) |
e1fa0163 NC |
241 | { |
242 | free (fullname); | |
243 | return 1; | |
244 | } | |
01e1a5bc NC |
245 | |
246 | result.string[result.length] = 0; | |
247 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
248 | &atrlst, 0); | |
249 | if ((status & 1) != 1) | |
e1fa0163 NC |
250 | { |
251 | free (fullname); | |
252 | return 1; | |
253 | } | |
254 | ||
01e1a5bc | 255 | if ((iosb.status & 1) != 1) |
e1fa0163 NC |
256 | { |
257 | free (fullname); | |
258 | return 1; | |
259 | } | |
01e1a5bc NC |
260 | |
261 | /* Deassign the channel and exit. */ | |
262 | status = SYS$DASSGN (chan); | |
263 | if ((status & 1) != 1) | |
e1fa0163 NC |
264 | { |
265 | free (fullname); | |
266 | return 1; | |
267 | } | |
01e1a5bc NC |
268 | |
269 | if (cdt) *cdt = create; | |
270 | if (siz) *siz = (512 * 65536 * recattr.fat$w_efblkh) + | |
271 | (512 * (recattr.fat$w_efblkl - 1)) + | |
272 | recattr.fat$w_ffbyte; | |
273 | if (rfo) *rfo = recattr.fat$v_rtype; | |
efde2f2c NC |
274 | if (ver) *ver = strtol (strrchr (ascnamebuff, ';') + 1, 0, 10); |
275 | #else /* not VMS */ | |
01e1a5bc | 276 | |
01e1a5bc | 277 | struct stat buff; |
efde2f2c NC |
278 | struct tm *ts; |
279 | long long gmtoff, secs, nsecs; | |
01e1a5bc | 280 | |
e1fa0163 | 281 | fullname = concat (dirname, filename, NULL); |
b11d79f2 TG |
282 | |
283 | if ((stat (fullname, &buff)) != 0) | |
e1fa0163 NC |
284 | { |
285 | free (fullname); | |
286 | return 1; | |
287 | } | |
01e1a5bc NC |
288 | |
289 | if (cdt) | |
290 | { | |
efde2f2c NC |
291 | ts = localtime (& buff.st_mtime); |
292 | ||
293 | #ifdef HAVE_TM_GMTOFF | |
294 | gmtoff = ts->tm_gmtoff; | |
295 | #else | |
296 | { | |
297 | extern long timezone; | |
298 | ||
299 | if (ts->tm_isdst == 1) | |
300 | gmtoff = - (timezone - 3600); | |
301 | else | |
302 | gmtoff = - timezone; | |
303 | } | |
304 | #endif | |
305 | ||
306 | #ifdef HAVE_ST_MTIM_TV_SEC | |
307 | secs = buff.st_mtim.tv_sec; | |
308 | #else | |
309 | secs = buff.st_mtime; | |
310 | #endif | |
311 | ||
312 | #ifdef HAVE_ST_MTIM_TV_NSEC | |
313 | nsecs = buff.st_mtim.tv_nsec; | |
314 | #else | |
315 | nsecs = 0; | |
316 | #endif | |
317 | ||
318 | /* VMS timestamps are stored in local time to 100 nsec accuracy, but by | |
319 | experiment I found timestamps truncated to (at least) microseconds | |
320 | on an NFS mounted filesystem, hence the adjustment below. DBR. */ | |
321 | *cdt = ((secs + gmtoff) * VMS_GRANULARITY_FACTOR) | |
322 | + (nsecs / 1000 * 10) + VMS_EPOCH_OFFSET; | |
01e1a5bc NC |
323 | } |
324 | ||
325 | if (siz) | |
326 | *siz = buff.st_size; | |
327 | ||
328 | if (rfo) | |
329 | *rfo = 2; /* Stream LF format. */ | |
330 | ||
efde2f2c NC |
331 | /* Returning a file version of 0 is never correct for debug info, version 1 |
332 | will be correct if file editing is done only on the Unix side. If editing | |
333 | is done on the VMS side, then its TBD. */ | |
01e1a5bc | 334 | if (ver) |
efde2f2c NC |
335 | *ver = 1; |
336 | #endif /* VMS */ | |
01e1a5bc | 337 | |
e1fa0163 | 338 | free (fullname); |
01e1a5bc | 339 | return 0; |
01e1a5bc NC |
340 | } |
341 | ||
b11d79f2 TG |
342 | bfd_uint64_t |
343 | vms_dwarf2_file_time_name (const char *filename, const char *dirname) | |
344 | { | |
345 | long long cdt; | |
346 | ||
347 | if (vms_file_stats_name (dirname, filename, &cdt, 0, 0, 0) == 0) | |
348 | return cdt; | |
349 | else | |
350 | return 0; | |
351 | } | |
352 | ||
353 | long | |
354 | vms_dwarf2_file_size_name (const char *filename, const char *dirname) | |
355 | { | |
356 | long siz; | |
357 | ||
358 | if (vms_file_stats_name (dirname, filename, 0, &siz, 0, 0) == 0) | |
359 | return siz; | |
360 | else | |
361 | return 0; | |
362 | } | |
363 | ||
364 | /* VMS debugger needs the filename with version appended. */ | |
365 | /* Longest filename on VMS is 255 characters. Largest version is 32768. */ | |
366 | char * | |
367 | vms_dwarf2_file_name (const char *filename, const char *dirname) | |
368 | { | |
369 | int ver; | |
370 | static char buff [255 + 7]; | |
371 | ||
372 | vms_file_stats_name (dirname, filename, 0, 0, 0, &ver); | |
3739860c | 373 | snprintf (buff, 255 + 7, "%s;%d", filename, ver); |
b11d79f2 TG |
374 | return buff; |
375 | } |