Commit | Line | Data |
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0fda6bd2 | 1 | /* Machine independent support for SVR4 /proc (process file system) for GDB. |
2555fe1a | 2 | |
61baf725 | 3 | Copyright (C) 1999-2017 Free Software Foundation, Inc. |
2555fe1a | 4 | |
0fda6bd2 JM |
5 | Written by Michael Snyder at Cygnus Solutions. |
6 | Based on work by Fred Fish, Stu Grossman, Geoff Noer, and others. | |
7 | ||
a9762ec7 JB |
8 | This file is part of GDB. |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 3 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
0fda6bd2 JM |
22 | |
23 | /* | |
24 | * Pretty-print trace of api calls to the /proc api | |
25 | * (ioctl or read/write calls). | |
26 | * | |
27 | */ | |
28 | ||
29 | #include "defs.h" | |
30 | #include "gdbcmd.h" | |
8e40d292 | 31 | #include "completer.h" |
0fda6bd2 JM |
32 | |
33 | #if defined (NEW_PROC_API) | |
34 | #define _STRUCTURED_PROC 1 | |
35 | #endif | |
36 | ||
0fda6bd2 JM |
37 | #include <sys/types.h> |
38 | #include <sys/procfs.h> | |
8dd72958 | 39 | #ifdef HAVE_SYS_PROC_H |
0fda6bd2 | 40 | #include <sys/proc.h> /* for struct proc */ |
8dd72958 | 41 | #endif |
6e8cb14a | 42 | #ifdef HAVE_SYS_USER_H |
0fda6bd2 | 43 | #include <sys/user.h> /* for struct user */ |
6e8cb14a | 44 | #endif |
0df8b418 | 45 | #include <fcntl.h> /* for O_RDWR etc. */ |
2555fe1a | 46 | #include "gdb_wait.h" |
0fda6bd2 JM |
47 | |
48 | #include "proc-utils.h" | |
49 | ||
50 | /* Much of the information used in the /proc interface, particularly for | |
51 | printing status information, is kept as tables of structures of the | |
52 | following form. These tables can be used to map numeric values to | |
0df8b418 | 53 | their symbolic names and to a string that describes their specific use. */ |
0fda6bd2 JM |
54 | |
55 | struct trans { | |
56 | long value; /* The numeric value */ | |
995816ba PA |
57 | const char *name; /* The equivalent symbolic value */ |
58 | const char *desc; /* Short description of value */ | |
0fda6bd2 JM |
59 | }; |
60 | ||
103b3ef5 | 61 | static int procfs_trace = 0; |
0fda6bd2 | 62 | static FILE *procfs_file = NULL; |
3e83a920 | 63 | static char *procfs_filename; |
0fda6bd2 | 64 | |
103b3ef5 MS |
65 | static void |
66 | prepare_to_trace (void) | |
67 | { | |
68 | if (procfs_trace) /* if procfs tracing turned on */ | |
69 | if (procfs_file == NULL) /* if output file not yet open */ | |
3e83a920 | 70 | procfs_file = fopen (procfs_filename, "a"); /* open output file */ |
103b3ef5 MS |
71 | } |
72 | ||
0fda6bd2 | 73 | static void |
fba45db2 | 74 | set_procfs_trace_cmd (char *args, int from_tty, struct cmd_list_element *c) |
0fda6bd2 JM |
75 | { |
76 | #if 0 /* not sure what I might actually need to do here, if anything */ | |
77 | if (procfs_file) | |
78 | fflush (procfs_file); | |
79 | #endif | |
80 | } | |
81 | ||
82 | static void | |
fba45db2 | 83 | set_procfs_file_cmd (char *args, int from_tty, struct cmd_list_element *c) |
0fda6bd2 JM |
84 | { |
85 | /* Just changed the filename for procfs tracing. | |
86 | If a file was already open, close it. */ | |
87 | if (procfs_file) | |
88 | fclose (procfs_file); | |
89 | procfs_file = NULL; | |
90 | } | |
91 | ||
92 | ||
93 | #ifndef NEW_PROC_API | |
94 | ||
95 | static struct trans ioctl_table[] = { | |
96 | #ifdef PIOCACINFO /* irix */ | |
97 | { PIOCACINFO, "PIOCACINFO", "get process account info" }, | |
98 | #endif | |
99 | { PIOCACTION, "PIOCACTION", "get signal action structs" }, | |
100 | #ifdef PIOCARGUMENTS /* osf */ | |
101 | { PIOCARGUMENTS, "PIOCARGUMENTS", "command line args" }, | |
102 | #endif | |
103 | #ifdef PIOCAUXV /* solaris aux vectors */ | |
104 | { PIOCAUXV, "PIOCAUXV", "get aux vector" }, | |
105 | { PIOCNAUXV, "PIOCNAUXV", "get number of aux vector entries" }, | |
106 | #endif /* AUXV */ | |
107 | { PIOCCFAULT, "PIOCCFAULT", "clear current fault" }, | |
108 | { PIOCCRED, "PIOCCRED", "get process credentials" }, | |
109 | #ifdef PIOCENEVCTRS /* irix event counters */ | |
110 | { PIOCENEVCTRS, "PIOCENEVCTRS", "acquire and start event counters" }, | |
111 | { PIOCGETEVCTRL, "PIOCGETEVCTRL", "get control info of event counters" }, | |
112 | { PIOCGETEVCTRS, "PIOCGETEVCTRS", "dump event counters" }, | |
113 | { PIOCGETPREVCTRS, "PIOCGETPREVCTRS", "dump event counters & prusage info" }, | |
114 | { PIOCRELEVCTRS, "PIOCRELEVCTRS", "release/stop event counters" }, | |
115 | { PIOCSETEVCTRL, "PIOCSETEVCTRL", "set control info of event counters" }, | |
116 | { PIOCGETPTIMER, "PIOCGETPTIMER", "get process timers" }, | |
117 | #endif /* irix event counters */ | |
118 | { PIOCGENTRY, "PIOCGENTRY", "get traced syscall entry set" }, | |
6e8cb14a | 119 | #if defined (PIOCGETPR) |
0fda6bd2 | 120 | { PIOCGETPR, "PIOCGETPR", "read struct proc" }, |
6e8cb14a AC |
121 | #endif |
122 | #if defined (PIOCGETU) | |
0fda6bd2 | 123 | { PIOCGETU, "PIOCGETU", "read user area" }, |
6e8cb14a | 124 | #endif |
0fda6bd2 JM |
125 | #if defined (PIOCGETUTK) && (defined(KERNEL) || defined(SHOW_UTT)) /* osf */ |
126 | { PIOCGETUTK, "PIOCGETUTK", "get the utask struct" }, | |
127 | #endif | |
128 | { PIOCGEXIT, "PIOCGEXIT", "get traced syscall exit set" }, | |
129 | { PIOCGFAULT, "PIOCGFAULT", "get traced fault set" }, | |
130 | #ifdef PIOCGFPCR /* osf */ | |
131 | { PIOCGFPCR, "PIOCGFPCR", "get FP control register" }, | |
132 | { PIOCSFPCR, "PIOCSFPCR", "set FP conrtol register" }, | |
133 | #endif | |
134 | { PIOCGFPREG, "PIOCGFPREG", "get floating point registers" }, | |
135 | { PIOCGHOLD, "PIOCGHOLD", "get held signal set" }, | |
136 | { PIOCGREG, "PIOCGREG", "get general registers" }, | |
137 | { PIOCGROUPS, "PIOCGROUPS", "get supplementary groups" }, | |
138 | #ifdef PIOCGSPCACT /* osf */ | |
139 | { PIOCGSPCACT, "PIOCGSPCACT", "get special action" }, | |
140 | { PIOCSSPCACT, "PIOCSSPCACT", "set special action" }, | |
141 | #endif | |
142 | { PIOCGTRACE, "PIOCGTRACE", "get traced signal set" }, | |
143 | #ifdef PIOCGWATCH /* irix watchpoints */ | |
144 | { PIOCGWATCH, "PIOCGWATCH", "get watchpoint" }, | |
145 | { PIOCSWATCH, "PIOCSWATCH", "set watchpoint" }, | |
146 | { PIOCNWATCH, "PIOCNWATCH", "get number of watchpoints" }, | |
147 | #endif /* irix watchpoints */ | |
148 | #ifdef PIOCGWIN /* solaris sparc */ | |
149 | { PIOCGWIN, "PIOCGWIN", "get gwindows_t" }, | |
150 | #endif | |
151 | #ifdef PIOCGXREG /* solaris sparc extra regs */ | |
152 | { PIOCGXREGSIZE, "PIOCXREGSIZE", "get extra register state size" }, | |
153 | { PIOCGXREG, "PIOCGXREG", "get extra register state" }, | |
154 | { PIOCSXREG, "PIOCSXREG", "set extra register state" }, | |
155 | #endif /* XREG */ | |
156 | { PIOCKILL, "PIOCKILL", "send signal" }, | |
157 | #ifdef PIOCLDT /* solaris i386 */ | |
158 | { PIOCLDT, "PIOCLDT", "get LDT" }, | |
159 | { PIOCNLDT, "PIOCNLDT", "get number of LDT entries" }, | |
160 | #endif | |
05b4bd79 | 161 | #ifdef PIOCLSTATUS /* solaris */ |
0fda6bd2 JM |
162 | { PIOCLSTATUS, "PIOCLSTATUS", "get status of all lwps" }, |
163 | { PIOCLUSAGE, "PIOCLUSAGE", "get resource usage of all lwps" }, | |
164 | { PIOCOPENLWP, "PIOCOPENLWP", "get lwp file descriptor" }, | |
165 | { PIOCLWPIDS, "PIOCLWPIDS", "get lwp identifiers" }, | |
166 | #endif /* LWP */ | |
167 | { PIOCMAP, "PIOCMAP", "get memory map information" }, | |
168 | { PIOCMAXSIG, "PIOCMAXSIG", "get max signal number" }, | |
169 | { PIOCNICE, "PIOCNICE", "set nice priority" }, | |
170 | { PIOCNMAP, "PIOCNMAP", "get number of memory mappings" }, | |
171 | { PIOCOPENM, "PIOCOPENM", "open mapped object for reading" }, | |
172 | #ifdef PIOCOPENMOBS /* osf */ | |
173 | { PIOCOPENMOBS, "PIOCOPENMOBS", "open mapped object" }, | |
174 | #endif | |
175 | #ifdef PIOCOPENPD /* solaris */ | |
176 | { PIOCOPENPD, "PIOCOPENPD", "get page data file descriptor" }, | |
177 | #endif | |
178 | { PIOCPSINFO, "PIOCPSINFO", "get ps(1) information" }, | |
179 | { PIOCRESET, "PIOCRESET", "reset process flags" }, | |
180 | { PIOCRFORK, "PIOCRFORK", "reset inherit-on-fork flag" }, | |
181 | { PIOCRRLC, "PIOCRRLC", "reset run-on-last-close flag" }, | |
182 | { PIOCRUN, "PIOCRUN", "make process runnable" }, | |
183 | #ifdef PIOCSAVECCNTRS /* irix */ | |
184 | { PIOCSAVECCNTRS, "PIOCSAVECCNTRS", "parent gets child cntrs" }, | |
185 | #endif | |
186 | { PIOCSENTRY, "PIOCSENTRY", "set traced syscall entry set" }, | |
187 | { PIOCSET, "PIOCSET", "set process flags" }, | |
188 | { PIOCSEXIT, "PIOCSEXIT", "set traced syscall exit set" }, | |
189 | { PIOCSFAULT, "PIOCSFAULT", "set traced fault set" }, | |
190 | { PIOCSFORK, "PIOCSFORK", "set inherit-on-fork flag" }, | |
191 | { PIOCSFPREG, "PIOCSFPREG", "set floating point registers" }, | |
192 | { PIOCSHOLD, "PIOCSHOLD", "set held signal set" }, | |
193 | { PIOCSREG, "PIOCSREG", "set general registers" }, | |
194 | { PIOCSRLC, "PIOCSRLC", "set run-on-last-close flag" }, | |
195 | { PIOCSSIG, "PIOCSSIG", "set current signal" }, | |
196 | { PIOCSTATUS, "PIOCSTATUS", "get process status" }, | |
197 | { PIOCSTOP, "PIOCSTOP", "post stop request" }, | |
198 | { PIOCSTRACE, "PIOCSTRACE", "set traced signal set" }, | |
199 | { PIOCUNKILL, "PIOCUNKILL", "delete a signal" }, | |
200 | #ifdef PIOCUSAGE /* solaris */ | |
201 | { PIOCUSAGE, "PIOCUSAGE", "get resource usage" }, | |
202 | #endif | |
203 | { PIOCWSTOP, "PIOCWSTOP", "wait for process to stop" }, | |
204 | ||
205 | #ifdef PIOCNTHR /* osf threads */ | |
206 | { PIOCNTHR, "PIOCNTHR", "get thread count" }, | |
207 | { PIOCRTINH, "PIOCRTINH", "reset inherit-on-thread-creation" }, | |
208 | { PIOCSTINH, "PIOCSTINH", "set inherit-on-thread-creation" }, | |
209 | { PIOCTLIST, "PIOCTLIST", "get thread ids" }, | |
210 | { PIOCXPTH, "PIOCXPTH", "translate port to thread handle" }, | |
211 | { PIOCTRUN, "PIOCTRUN", "make thread runnable" }, | |
212 | { PIOCTSTATUS, "PIOCTSTATUS", "get thread status" }, | |
213 | { PIOCTSTOP, "PIOCTSTOP", "stop a thread" }, | |
214 | /* ... TGTRACE TSTRACE TSSIG TKILL TUNKILL TCFAULT TGFAULT TSFAULT | |
215 | TGFPREG TSFPREG TGREG TSREG TACTION TTERM TABRUN TGENTRY TSENTRY | |
216 | TGEXIT TSEXIT TSHOLD ... thread functions */ | |
217 | #endif /* osf threads */ | |
218 | { -1, NULL, NULL } | |
219 | }; | |
220 | ||
221 | int | |
fba45db2 | 222 | ioctl_with_trace (int fd, long opcode, void *ptr, char *file, int line) |
0fda6bd2 | 223 | { |
8e40d292 EZ |
224 | int i = 0; |
225 | int ret; | |
226 | int arg1; | |
0fda6bd2 | 227 | |
103b3ef5 MS |
228 | prepare_to_trace (); |
229 | ||
0fda6bd2 JM |
230 | if (procfs_trace) |
231 | { | |
0fda6bd2 JM |
232 | for (i = 0; ioctl_table[i].name != NULL; i++) |
233 | if (ioctl_table[i].value == opcode) | |
234 | break; | |
235 | ||
236 | if (info_verbose) | |
237 | fprintf (procfs_file ? procfs_file : stdout, | |
238 | "%s:%d -- ", file, line); | |
239 | switch (opcode) { | |
240 | case PIOCSET: | |
241 | arg1 = ptr ? *(long *) ptr : 0; | |
242 | fprintf (procfs_file ? procfs_file : stdout, | |
243 | "ioctl (PIOCSET, %s) %s\n", | |
244 | arg1 == PR_FORK ? "PR_FORK" : | |
245 | arg1 == PR_RLC ? "PR_RLC" : | |
246 | #ifdef PR_ASYNC | |
247 | arg1 == PR_ASYNC ? "PR_ASYNC" : | |
248 | #endif | |
249 | "<unknown flag>", | |
250 | info_verbose ? ioctl_table[i].desc : ""); | |
251 | break; | |
252 | case PIOCRESET: | |
253 | arg1 = ptr ? *(long *) ptr : 0; | |
254 | fprintf (procfs_file ? procfs_file : stdout, | |
255 | "ioctl (PIOCRESET, %s) %s\n", | |
256 | arg1 == PR_FORK ? "PR_FORK" : | |
257 | arg1 == PR_RLC ? "PR_RLC" : | |
258 | #ifdef PR_ASYNC | |
259 | arg1 == PR_ASYNC ? "PR_ASYNC" : | |
260 | #endif | |
261 | "<unknown flag>", | |
262 | info_verbose ? ioctl_table[i].desc : ""); | |
263 | break; | |
264 | case PIOCSTRACE: | |
265 | fprintf (procfs_file ? procfs_file : stdout, | |
266 | "ioctl (PIOCSTRACE) "); | |
267 | proc_prettyfprint_signalset (procfs_file ? procfs_file : stdout, | |
268 | (sigset_t *) ptr, 0); | |
269 | break; | |
270 | case PIOCSFAULT: | |
271 | fprintf (procfs_file ? procfs_file : stdout, | |
272 | "ioctl (%s) ", | |
273 | opcode == PIOCSFAULT ? "PIOCSFAULT" : "PIOCGFAULT"); | |
274 | proc_prettyfprint_faultset (procfs_file ? procfs_file : stdout, | |
275 | (fltset_t *) ptr, 0); | |
276 | break; | |
277 | case PIOCSENTRY: | |
278 | fprintf (procfs_file ? procfs_file : stdout, | |
279 | "ioctl (%s) ", | |
280 | opcode == PIOCSENTRY ? "PIOCSENTRY" : "PIOCGENTRY"); | |
281 | proc_prettyfprint_syscalls (procfs_file ? procfs_file : stdout, | |
282 | (sysset_t *) ptr, 0); | |
283 | break; | |
284 | case PIOCSEXIT: | |
285 | fprintf (procfs_file ? procfs_file : stdout, | |
286 | "ioctl (%s) ", | |
287 | opcode == PIOCSEXIT ? "PIOCSEXIT" : "PIOCGEXIT"); | |
288 | proc_prettyfprint_syscalls (procfs_file ? procfs_file : stdout, | |
289 | (sysset_t *) ptr, 0); | |
290 | break; | |
291 | case PIOCSHOLD: | |
292 | fprintf (procfs_file ? procfs_file : stdout, | |
293 | "ioctl (%s) ", | |
294 | opcode == PIOCSHOLD ? "PIOCSHOLD" : "PIOCGHOLD"); | |
295 | proc_prettyfprint_signalset (procfs_file ? procfs_file : stdout, | |
296 | (sigset_t *) ptr, 0); | |
297 | break; | |
298 | case PIOCSSIG: | |
299 | fprintf (procfs_file ? procfs_file : stdout, | |
300 | "ioctl (PIOCSSIG) "); | |
301 | proc_prettyfprint_signal (procfs_file ? procfs_file : stdout, | |
302 | ptr ? ((siginfo_t *) ptr)->si_signo : 0, | |
303 | 0); | |
304 | fprintf (procfs_file ? procfs_file : stdout, "\n"); | |
305 | break; | |
306 | case PIOCRUN: | |
307 | fprintf (procfs_file ? procfs_file : stdout, | |
308 | "ioctl (PIOCRUN) "); | |
309 | ||
310 | arg1 = ptr ? *(long *) ptr : 0; | |
311 | if (arg1 & PRCSIG) | |
312 | fprintf (procfs_file ? procfs_file : stdout, "clearSig "); | |
313 | if (arg1 & PRCFAULT) | |
314 | fprintf (procfs_file ? procfs_file : stdout, "clearFlt "); | |
315 | if (arg1 & PRSTRACE) | |
316 | fprintf (procfs_file ? procfs_file : stdout, "setTrace "); | |
317 | if (arg1 & PRSHOLD) | |
318 | fprintf (procfs_file ? procfs_file : stdout, "setHold "); | |
319 | if (arg1 & PRSFAULT) | |
320 | fprintf (procfs_file ? procfs_file : stdout, "setFlt "); | |
321 | if (arg1 & PRSVADDR) | |
322 | fprintf (procfs_file ? procfs_file : stdout, "setVaddr "); | |
323 | if (arg1 & PRSTEP) | |
324 | fprintf (procfs_file ? procfs_file : stdout, "step "); | |
325 | if (arg1 & PRSABORT) | |
326 | fprintf (procfs_file ? procfs_file : stdout, "syscallAbort "); | |
327 | if (arg1 & PRSTOP) | |
328 | fprintf (procfs_file ? procfs_file : stdout, "stopReq "); | |
329 | ||
330 | fprintf (procfs_file ? procfs_file : stdout, "\n"); | |
331 | break; | |
332 | case PIOCKILL: | |
333 | fprintf (procfs_file ? procfs_file : stdout, | |
334 | "ioctl (PIOCKILL) "); | |
335 | proc_prettyfprint_signal (procfs_file ? procfs_file : stdout, | |
336 | ptr ? *(long *) ptr : 0, 0); | |
337 | fprintf (procfs_file ? procfs_file : stdout, "\n"); | |
338 | break; | |
339 | #ifdef PIOCSSPCACT | |
340 | case PIOCSSPCACT: | |
341 | fprintf (procfs_file ? procfs_file : stdout, | |
342 | "ioctl (PIOCSSPCACT) "); | |
343 | arg1 = ptr ? *(long *) ptr : 0; | |
344 | if (arg1 & PRFS_STOPFORK) | |
345 | fprintf (procfs_file ? procfs_file : stdout, "stopFork "); | |
346 | if (arg1 & PRFS_STOPEXEC) | |
347 | fprintf (procfs_file ? procfs_file : stdout, "stopExec "); | |
348 | if (arg1 & PRFS_STOPTERM) | |
349 | fprintf (procfs_file ? procfs_file : stdout, "stopTerm "); | |
350 | if (arg1 & PRFS_STOPTCR) | |
351 | fprintf (procfs_file ? procfs_file : stdout, "stopThreadCreate "); | |
352 | if (arg1 & PRFS_STOPTTERM) | |
353 | fprintf (procfs_file ? procfs_file : stdout, "stopThreadTerm "); | |
354 | if (arg1 & PRFS_KOLC) | |
355 | fprintf (procfs_file ? procfs_file : stdout, "killOnLastClose "); | |
356 | fprintf (procfs_file ? procfs_file : stdout, "\n"); | |
357 | break; | |
358 | #endif /* PIOCSSPCACT */ | |
359 | default: | |
360 | if (ioctl_table[i].name) | |
361 | fprintf (procfs_file ? procfs_file : stdout, | |
362 | "ioctl (%s) %s\n", | |
363 | ioctl_table[i].name, | |
364 | info_verbose ? ioctl_table[i].desc : ""); | |
365 | else | |
366 | fprintf (procfs_file ? procfs_file : stdout, | |
367 | "ioctl (<unknown %ld (0x%lx)) \n", opcode, opcode); | |
368 | break; | |
369 | } | |
370 | if (procfs_file) | |
371 | fflush (procfs_file); | |
372 | } | |
103b3ef5 | 373 | errno = 0; |
0fda6bd2 JM |
374 | ret = ioctl (fd, opcode, ptr); |
375 | if (procfs_trace && ret < 0) | |
376 | { | |
377 | fprintf (procfs_file ? procfs_file : stdout, | |
103b3ef5 | 378 | "[ioctl (%s) FAILED! (%s)]\n", |
0fda6bd2 | 379 | ioctl_table[i].name != NULL ? |
103b3ef5 MS |
380 | ioctl_table[i].name : "<unknown>", |
381 | safe_strerror (errno)); | |
0fda6bd2 JM |
382 | if (procfs_file) |
383 | fflush (procfs_file); | |
384 | } | |
385 | ||
386 | return ret; | |
387 | } | |
388 | ||
389 | #else /* NEW_PROC_API */ | |
390 | ||
391 | static struct trans rw_table[] = { | |
392 | #ifdef PCAGENT /* solaris */ | |
393 | { PCAGENT, "PCAGENT", "create agent lwp with regs from argument" }, | |
394 | #endif | |
395 | { PCCFAULT, "PCCFAULT", "clear current fault" }, | |
396 | #ifdef PCCSIG /* solaris */ | |
397 | { PCCSIG, "PCCSIG", "clear current signal" }, | |
398 | #endif | |
640b227f | 399 | #ifdef PCDSTOP /* solaris */ |
0fda6bd2 | 400 | { PCDSTOP, "PCDSTOP", "post stop request" }, |
640b227f | 401 | #endif |
0fda6bd2 | 402 | { PCKILL, "PCKILL", "post a signal" }, |
640b227f | 403 | #ifdef PCNICE /* solaris */ |
0fda6bd2 | 404 | { PCNICE, "PCNICE", "set nice priority" }, |
640b227f | 405 | #endif |
0fda6bd2 JM |
406 | #ifdef PCREAD /* solaris */ |
407 | { PCREAD, "PCREAD", "read from the address space" }, | |
408 | { PCWRITE, "PCWRITE", "write to the address space" }, | |
0fda6bd2 JM |
409 | #endif |
410 | { PCRUN, "PCRUN", "make process/lwp runnable" }, | |
411 | #ifdef PCSASRS /* solaris 2.7 only */ | |
412 | { PCSASRS, "PCSASRS", "set ancillary state registers" }, | |
413 | #endif | |
414 | #ifdef PCSCRED /* solaris */ | |
415 | { PCSCRED, "PCSCRED", "set process credentials" }, | |
416 | #endif | |
417 | { PCSENTRY, "PCSENTRY", "set traced syscall entry set" }, | |
418 | { PCSET, "PCSET", "set modes" }, | |
419 | { PCSEXIT, "PCSEXIT", "set traced syscall exit set" }, | |
420 | { PCSFAULT, "PCSFAULT", "set traced fault set" }, | |
421 | { PCSFPREG, "PCSFPREG", "set floating point registers" }, | |
151fefe2 | 422 | #ifdef PCSHOLD /* solaris */ |
0fda6bd2 | 423 | { PCSHOLD, "PCSHOLD", "set signal mask" }, |
640b227f | 424 | #endif |
0fda6bd2 JM |
425 | { PCSREG, "PCSREG", "set general registers" }, |
426 | { PCSSIG, "PCSSIG", "set current signal" }, | |
427 | { PCSTOP, "PCSTOP", "post stop request and wait" }, | |
428 | { PCSTRACE, "PCSTRACE", "set traced signal set" }, | |
429 | #ifdef PCSVADDR /* solaris */ | |
430 | { PCSVADDR, "PCSVADDR", "set pc virtual address" }, | |
431 | #endif | |
432 | #ifdef PCSXREG /* solaris sparc only */ | |
433 | { PCSXREG, "PCSXREG", "set extra registers" }, | |
434 | #endif | |
435 | #ifdef PCTWSTOP /* solaris */ | |
436 | { PCTWSTOP, "PCTWSTOP", "wait for stop, with timeout arg" }, | |
437 | #endif | |
640b227f | 438 | #ifdef PCUNKILL /* solaris */ |
0fda6bd2 | 439 | { PCUNKILL, "PCUNKILL", "delete a pending signal" }, |
640b227f | 440 | #endif |
0fda6bd2 JM |
441 | #ifdef PCUNSET /* solaris */ |
442 | { PCUNSET, "PCUNSET", "unset modes" }, | |
443 | #endif | |
444 | #ifdef PCWATCH /* solaris */ | |
445 | { PCWATCH, "PCWATCH", "set/unset watched memory area" }, | |
446 | #endif | |
447 | { PCWSTOP, "PCWSTOP", "wait for process/lwp to stop, no timeout" }, | |
448 | { 0, NULL, NULL } | |
449 | }; | |
450 | ||
451 | static off_t lseek_offset; | |
452 | ||
453 | int | |
fba45db2 | 454 | write_with_trace (int fd, void *varg, size_t len, char *file, int line) |
0fda6bd2 | 455 | { |
1e52e2eb | 456 | int i = ARRAY_SIZE (rw_table) - 1; |
0fda6bd2 | 457 | int ret; |
37de36c6 | 458 | procfs_ctl_t *arg = (procfs_ctl_t *) varg; |
0fda6bd2 | 459 | |
103b3ef5 | 460 | prepare_to_trace (); |
0fda6bd2 JM |
461 | if (procfs_trace) |
462 | { | |
37de36c6 | 463 | procfs_ctl_t opcode = arg[0]; |
0fda6bd2 JM |
464 | for (i = 0; rw_table[i].name != NULL; i++) |
465 | if (rw_table[i].value == opcode) | |
466 | break; | |
467 | ||
468 | if (info_verbose) | |
469 | fprintf (procfs_file ? procfs_file : stdout, | |
470 | "%s:%d -- ", file, line); | |
471 | switch (opcode) { | |
472 | case PCSET: | |
473 | fprintf (procfs_file ? procfs_file : stdout, | |
474 | "write (PCSET, %s) %s\n", | |
475 | arg[1] == PR_FORK ? "PR_FORK" : | |
476 | arg[1] == PR_RLC ? "PR_RLC" : | |
477 | #ifdef PR_ASYNC | |
478 | arg[1] == PR_ASYNC ? "PR_ASYNC" : | |
479 | #endif | |
480 | "<unknown flag>", | |
481 | info_verbose ? rw_table[i].desc : ""); | |
482 | break; | |
483 | #ifdef PCUNSET | |
484 | case PCUNSET: | |
485 | #endif | |
486 | #ifdef PCRESET | |
37de36c6 | 487 | #if PCRESET != PCUNSET |
0fda6bd2 | 488 | case PCRESET: |
37de36c6 | 489 | #endif |
0fda6bd2 JM |
490 | #endif |
491 | fprintf (procfs_file ? procfs_file : stdout, | |
492 | "write (PCRESET, %s) %s\n", | |
493 | arg[1] == PR_FORK ? "PR_FORK" : | |
494 | arg[1] == PR_RLC ? "PR_RLC" : | |
495 | #ifdef PR_ASYNC | |
496 | arg[1] == PR_ASYNC ? "PR_ASYNC" : | |
497 | #endif | |
498 | "<unknown flag>", | |
499 | info_verbose ? rw_table[i].desc : ""); | |
500 | break; | |
501 | case PCSTRACE: | |
502 | fprintf (procfs_file ? procfs_file : stdout, | |
503 | "write (PCSTRACE) "); | |
504 | proc_prettyfprint_signalset (procfs_file ? procfs_file : stdout, | |
505 | (sigset_t *) &arg[1], 0); | |
506 | break; | |
507 | case PCSFAULT: | |
508 | fprintf (procfs_file ? procfs_file : stdout, | |
509 | "write (PCSFAULT) "); | |
510 | proc_prettyfprint_faultset (procfs_file ? procfs_file : stdout, | |
511 | (fltset_t *) &arg[1], 0); | |
512 | break; | |
513 | case PCSENTRY: | |
514 | fprintf (procfs_file ? procfs_file : stdout, | |
515 | "write (PCSENTRY) "); | |
516 | proc_prettyfprint_syscalls (procfs_file ? procfs_file : stdout, | |
517 | (sysset_t *) &arg[1], 0); | |
518 | break; | |
519 | case PCSEXIT: | |
520 | fprintf (procfs_file ? procfs_file : stdout, | |
521 | "write (PCSEXIT) "); | |
522 | proc_prettyfprint_syscalls (procfs_file ? procfs_file : stdout, | |
523 | (sysset_t *) &arg[1], 0); | |
524 | break; | |
640b227f | 525 | #ifdef PCSHOLD |
0fda6bd2 JM |
526 | case PCSHOLD: |
527 | fprintf (procfs_file ? procfs_file : stdout, | |
528 | "write (PCSHOLD) "); | |
529 | proc_prettyfprint_signalset (procfs_file ? procfs_file : stdout, | |
530 | (sigset_t *) &arg[1], 0); | |
531 | break; | |
640b227f | 532 | #endif |
0fda6bd2 JM |
533 | case PCSSIG: |
534 | fprintf (procfs_file ? procfs_file : stdout, | |
535 | "write (PCSSIG) "); | |
536 | proc_prettyfprint_signal (procfs_file ? procfs_file : stdout, | |
537 | arg[1] ? ((siginfo_t *) &arg[1])->si_signo | |
538 | : 0, | |
539 | 0); | |
540 | fprintf (procfs_file ? procfs_file : stdout, "\n"); | |
541 | break; | |
542 | case PCRUN: | |
543 | fprintf (procfs_file ? procfs_file : stdout, | |
544 | "write (PCRUN) "); | |
545 | if (arg[1] & PRCSIG) | |
546 | fprintf (procfs_file ? procfs_file : stdout, "clearSig "); | |
547 | if (arg[1] & PRCFAULT) | |
548 | fprintf (procfs_file ? procfs_file : stdout, "clearFlt "); | |
549 | if (arg[1] & PRSTEP) | |
550 | fprintf (procfs_file ? procfs_file : stdout, "step "); | |
640b227f | 551 | #ifdef PRSABORT |
0fda6bd2 JM |
552 | if (arg[1] & PRSABORT) |
553 | fprintf (procfs_file ? procfs_file : stdout, "syscallAbort "); | |
640b227f JB |
554 | #endif |
555 | #ifdef PRSTOP | |
0fda6bd2 JM |
556 | if (arg[1] & PRSTOP) |
557 | fprintf (procfs_file ? procfs_file : stdout, "stopReq "); | |
640b227f | 558 | #endif |
0fda6bd2 JM |
559 | |
560 | fprintf (procfs_file ? procfs_file : stdout, "\n"); | |
561 | break; | |
562 | case PCKILL: | |
563 | fprintf (procfs_file ? procfs_file : stdout, | |
564 | "write (PCKILL) "); | |
565 | proc_prettyfprint_signal (procfs_file ? procfs_file : stdout, | |
566 | arg[1], 0); | |
567 | fprintf (procfs_file ? procfs_file : stdout, "\n"); | |
568 | break; | |
569 | default: | |
570 | { | |
37de36c6 | 571 | if (rw_table[i].name) |
0fda6bd2 JM |
572 | fprintf (procfs_file ? procfs_file : stdout, |
573 | "write (%s) %s\n", | |
574 | rw_table[i].name, | |
575 | info_verbose ? rw_table[i].desc : ""); | |
576 | else | |
577 | { | |
578 | if (lseek_offset != -1) | |
579 | fprintf (procfs_file ? procfs_file : stdout, | |
b943d152 MS |
580 | "write (<unknown>, %lud bytes at 0x%08lx) \n", |
581 | (unsigned long) len, (unsigned long) lseek_offset); | |
0fda6bd2 JM |
582 | else |
583 | fprintf (procfs_file ? procfs_file : stdout, | |
b943d152 MS |
584 | "write (<unknown>, %lud bytes) \n", |
585 | (unsigned long) len); | |
0fda6bd2 JM |
586 | } |
587 | break; | |
588 | } | |
589 | } | |
590 | if (procfs_file) | |
591 | fflush (procfs_file); | |
592 | } | |
103b3ef5 | 593 | errno = 0; |
b943d152 | 594 | ret = write (fd, (void *) arg, len); |
0fda6bd2 JM |
595 | if (procfs_trace && ret != len) |
596 | { | |
597 | fprintf (procfs_file ? procfs_file : stdout, | |
103b3ef5 | 598 | "[write (%s) FAILED! (%s)]\n", |
0fda6bd2 | 599 | rw_table[i].name != NULL ? |
103b3ef5 MS |
600 | rw_table[i].name : "<unknown>", |
601 | safe_strerror (errno)); | |
0fda6bd2 JM |
602 | if (procfs_file) |
603 | fflush (procfs_file); | |
604 | } | |
605 | ||
606 | lseek_offset = -1; | |
607 | return ret; | |
608 | } | |
609 | ||
610 | off_t | |
fba45db2 | 611 | lseek_with_trace (int fd, off_t offset, int whence, char *file, int line) |
0fda6bd2 JM |
612 | { |
613 | off_t ret; | |
614 | ||
103b3ef5 MS |
615 | prepare_to_trace (); |
616 | errno = 0; | |
0fda6bd2 JM |
617 | ret = lseek (fd, offset, whence); |
618 | lseek_offset = ret; | |
103b3ef5 | 619 | if (procfs_trace && (ret == -1 || errno != 0)) |
0fda6bd2 | 620 | { |
0fda6bd2 | 621 | fprintf (procfs_file ? procfs_file : stdout, |
103b3ef5 MS |
622 | "[lseek (0x%08lx) FAILED! (%s)]\n", |
623 | (unsigned long) offset, safe_strerror (errno)); | |
0fda6bd2 JM |
624 | if (procfs_file) |
625 | fflush (procfs_file); | |
626 | } | |
627 | ||
628 | return ret; | |
629 | } | |
630 | ||
631 | #endif /* NEW_PROC_API */ | |
632 | ||
633 | int | |
fba45db2 | 634 | open_with_trace (char *filename, int mode, char *file, int line) |
0fda6bd2 | 635 | { |
103b3ef5 | 636 | int ret; |
0fda6bd2 | 637 | |
103b3ef5 MS |
638 | prepare_to_trace (); |
639 | errno = 0; | |
640 | ret = open (filename, mode); | |
0fda6bd2 JM |
641 | if (procfs_trace) |
642 | { | |
0fda6bd2 JM |
643 | if (info_verbose) |
644 | fprintf (procfs_file ? procfs_file : stdout, | |
645 | "%s:%d -- ", file, line); | |
103b3ef5 MS |
646 | |
647 | if (errno) | |
648 | { | |
649 | fprintf (procfs_file ? procfs_file : stdout, | |
650 | "[open FAILED! (%s) line %d]\\n", | |
651 | safe_strerror (errno), line); | |
652 | } | |
653 | else | |
654 | { | |
655 | fprintf (procfs_file ? procfs_file : stdout, | |
656 | "%d = open (%s, ", ret, filename); | |
657 | if (mode == O_RDONLY) | |
658 | fprintf (procfs_file ? procfs_file : stdout, "O_RDONLY) %d\n", | |
659 | line); | |
660 | else if (mode == O_WRONLY) | |
661 | fprintf (procfs_file ? procfs_file : stdout, "O_WRONLY) %d\n", | |
662 | line); | |
663 | else if (mode == O_RDWR) | |
664 | fprintf (procfs_file ? procfs_file : stdout, "O_RDWR) %d\n", | |
665 | line); | |
666 | } | |
0fda6bd2 JM |
667 | if (procfs_file) |
668 | fflush (procfs_file); | |
669 | } | |
670 | ||
671 | return ret; | |
672 | } | |
673 | ||
674 | int | |
fba45db2 | 675 | close_with_trace (int fd, char *file, int line) |
0fda6bd2 | 676 | { |
103b3ef5 | 677 | int ret; |
0fda6bd2 | 678 | |
103b3ef5 MS |
679 | prepare_to_trace (); |
680 | errno = 0; | |
681 | ret = close (fd); | |
0fda6bd2 JM |
682 | if (procfs_trace) |
683 | { | |
0fda6bd2 JM |
684 | if (info_verbose) |
685 | fprintf (procfs_file ? procfs_file : stdout, | |
686 | "%s:%d -- ", file, line); | |
103b3ef5 MS |
687 | if (errno) |
688 | fprintf (procfs_file ? procfs_file : stdout, | |
689 | "[close FAILED! (%s)]\n", safe_strerror (errno)); | |
690 | else | |
691 | fprintf (procfs_file ? procfs_file : stdout, | |
692 | "%d = close (%d)\n", ret, fd); | |
0fda6bd2 JM |
693 | if (procfs_file) |
694 | fflush (procfs_file); | |
695 | } | |
696 | ||
697 | return ret; | |
698 | } | |
699 | ||
103b3ef5 | 700 | pid_t |
fba45db2 | 701 | wait_with_trace (int *wstat, char *file, int line) |
0fda6bd2 JM |
702 | { |
703 | int ret, lstat = 0; | |
704 | ||
103b3ef5 | 705 | prepare_to_trace (); |
0fda6bd2 JM |
706 | if (procfs_trace) |
707 | { | |
0fda6bd2 JM |
708 | if (info_verbose) |
709 | fprintf (procfs_file ? procfs_file : stdout, | |
710 | "%s:%d -- ", file, line); | |
711 | fprintf (procfs_file ? procfs_file : stdout, | |
712 | "wait (line %d) ", line); | |
713 | if (procfs_file) | |
714 | fflush (procfs_file); | |
715 | } | |
103b3ef5 | 716 | errno = 0; |
0fda6bd2 JM |
717 | ret = wait (&lstat); |
718 | if (procfs_trace) | |
719 | { | |
103b3ef5 MS |
720 | if (errno) |
721 | fprintf (procfs_file ? procfs_file : stdout, | |
722 | "[wait FAILED! (%s)]\n", safe_strerror (errno)); | |
723 | else | |
724 | fprintf (procfs_file ? procfs_file : stdout, | |
725 | "returned pid %d, status 0x%x\n", ret, lstat); | |
0fda6bd2 JM |
726 | if (procfs_file) |
727 | fflush (procfs_file); | |
728 | } | |
729 | if (wstat) | |
730 | *wstat = lstat; | |
731 | ||
732 | return ret; | |
733 | } | |
734 | ||
735 | void | |
995816ba | 736 | procfs_note (const char *msg, const char *file, int line) |
0fda6bd2 | 737 | { |
103b3ef5 | 738 | prepare_to_trace (); |
0fda6bd2 JM |
739 | if (procfs_trace) |
740 | { | |
0fda6bd2 JM |
741 | if (info_verbose) |
742 | fprintf (procfs_file ? procfs_file : stdout, | |
743 | "%s:%d -- ", file, line); | |
e34e1a85 | 744 | fprintf (procfs_file ? procfs_file : stdout, "%s", msg); |
0fda6bd2 JM |
745 | if (procfs_file) |
746 | fflush (procfs_file); | |
747 | } | |
748 | } | |
749 | ||
750 | void | |
fba45db2 | 751 | proc_prettyfprint_status (long flags, int why, int what, int thread) |
0fda6bd2 | 752 | { |
103b3ef5 | 753 | prepare_to_trace (); |
0fda6bd2 JM |
754 | if (procfs_trace) |
755 | { | |
0fda6bd2 JM |
756 | if (thread) |
757 | fprintf (procfs_file ? procfs_file : stdout, | |
758 | "Thread %d: ", thread); | |
759 | ||
760 | proc_prettyfprint_flags (procfs_file ? procfs_file : stdout, | |
761 | flags, 0); | |
762 | ||
763 | if (flags & (PR_STOPPED | PR_ISTOP)) | |
764 | proc_prettyfprint_why (procfs_file ? procfs_file : stdout, | |
765 | why, what, 0); | |
766 | if (procfs_file) | |
767 | fflush (procfs_file); | |
768 | } | |
769 | } | |
770 | ||
0fda6bd2 | 771 | void |
fba45db2 | 772 | _initialize_proc_api (void) |
0fda6bd2 JM |
773 | { |
774 | struct cmd_list_element *c; | |
775 | ||
54433e38 MK |
776 | add_setshow_boolean_cmd ("procfs-trace", no_class, &procfs_trace, _("\ |
777 | Set tracing for /proc api calls."), _("\ | |
778 | Show tracing for /proc api calls."), NULL, | |
5bf193a2 AC |
779 | set_procfs_trace_cmd, |
780 | NULL, /* FIXME: i18n: */ | |
781 | &setlist, &showlist); | |
0fda6bd2 | 782 | |
3e83a920 | 783 | procfs_filename = xstrdup ("procfs_trace"); |
54433e38 MK |
784 | add_setshow_filename_cmd ("procfs-file", no_class, &procfs_filename, _("\ |
785 | Set filename for /proc tracefile."), _("\ | |
786 | Show filename for /proc tracefile."), NULL, | |
f397e303 AC |
787 | set_procfs_file_cmd, |
788 | NULL, /* FIXME: i18n: */ | |
789 | &setlist, &showlist); | |
0fda6bd2 | 790 | } |