source: mainline/uspace/app/trace/trace.c@ 5e07e2b5

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 5e07e2b5 was 28a3e74, checked in by Jiri Svoboda <jiri@…>, 14 years ago

Fix comment style.
  • Property mode set to 100644
File size: 21.6 KB
Line 
1/*
2 * Copyright (c) 2008 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup trace
30 * @{
31 */
32/** @file
33 */
34
35#include <stdio.h>
36#include <stdlib.h>
37#include <unistd.h>
38#include <fibril.h>
39#include <errno.h>
40#include <udebug.h>
41#include <async.h>
42#include <task.h>
43#include <mem.h>
44#include <str.h>
45#include <bool.h>
46#include <loader/loader.h>
47#include <io/console.h>
48#include <io/keycode.h>
49#include <fibril_synch.h>
50#include <sys/types.h>
51#include <sys/typefmt.h>
52
53#include <libc.h>
54
55/* Temporary: service and method names */
56#include "proto.h"
57#include <ipc/services.h>
58#include "../../srv/vfs/vfs.h"
59#include <ipc/console.h>
60
61#include "syscalls.h"
62#include "ipcp.h"
63#include "errors.h"
64#include "trace.h"
65
66#define THBUF_SIZE 64
67uintptr_t thread_hash_buf[THBUF_SIZE];
68int n_threads;
69
70int next_thread_id;
71
72ipc_call_t thread_ipc_req[THBUF_SIZE];
73
74int phoneid;
75bool abort_trace;
76
77uintptr_t thash;
78static bool paused;
79static fibril_condvar_t state_cv;
80static fibril_mutex_t state_lock;
81
82static bool cev_valid;
83static console_event_t cev;
84
85void thread_trace_start(uintptr_t thread_hash);
86
87static proto_t *proto_console;
88static task_id_t task_id;
89static loader_t *task_ldr;
90static bool task_wait_for;
91
92/** Combination of events/data to print. */
93display_mask_t display_mask;
94
95static int program_run_fibril(void *arg);
96static int cev_fibril(void *arg);
97
98static void program_run(void)
99{
100 fid_t fid;
101
102 fid = fibril_create(program_run_fibril, NULL);
103 if (fid == 0) {
104 printf("Error creating fibril\n");
105 exit(1);
106 }
107
108 fibril_add_ready(fid);
109}
110
111static void cev_fibril_start(void)
112{
113 fid_t fid;
114
115 fid = fibril_create(cev_fibril, NULL);
116 if (fid == 0) {
117 printf("Error creating fibril\n");
118 exit(1);
119 }
120
121 fibril_add_ready(fid);
122}
123
124static int program_run_fibril(void *arg)
125{
126 int rc;
127
128 /*
129 * This must be done in background as it will block until
130 * we let the task reply to this call.
131 */
132 rc = loader_run(task_ldr);
133 if (rc != 0) {
134 printf("Error running program\n");
135 exit(1);
136 }
137
138 free(task_ldr);
139 task_ldr = NULL;
140
141 printf("program_run_fibril exiting\n");
142 return 0;
143}
144
145
146static int connect_task(task_id_t task_id)
147{
148 int rc;
149
150 rc = async_connect_kbox(task_id);
151
152 if (rc == ENOTSUP) {
153 printf("You do not have userspace debugging support "
154 "compiled in the kernel.\n");
155 printf("Compile kernel with 'Support for userspace debuggers' "
156 "(CONFIG_UDEBUG) enabled.\n");
157 return rc;
158 }
159
160 if (rc < 0) {
161 printf("Error connecting\n");
162 printf("ipc_connect_task(%" PRIu64 ") -> %d ", task_id, rc);
163 return rc;
164 }
165
166 phoneid = rc;
167
168 rc = udebug_begin(phoneid);
169 if (rc < 0) {
170 printf("udebug_begin() -> %d\n", rc);
171 return rc;
172 }
173
174 rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);
175 if (rc < 0) {
176 printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc);
177 return rc;
178 }
179
180 return 0;
181}
182
183static int get_thread_list(void)
184{
185 int rc;
186 size_t tb_copied;
187 size_t tb_needed;
188 int i;
189
190 rc = udebug_thread_read(phoneid, thread_hash_buf,
191 THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);
192 if (rc < 0) {
193 printf("udebug_thread_read() -> %d\n", rc);
194 return rc;
195 }
196
197 n_threads = tb_copied / sizeof(uintptr_t);
198
199 printf("Threads:");
200 for (i = 0; i < n_threads; i++) {
201 printf(" [%d] (hash %p)", 1 + i, (void *) thread_hash_buf[i]);
202 }
203 printf("\ntotal of %zu threads\n", tb_needed / sizeof(uintptr_t));
204
205 return 0;
206}
207
208void val_print(sysarg_t val, val_type_t v_type)
209{
210 long sval;
211
212 sval = (long) val;
213
214 switch (v_type) {
215 case V_VOID:
216 printf("<void>");
217 break;
218
219 case V_INTEGER:
220 printf("%ld", sval);
221 break;
222
223 case V_HASH:
224 case V_PTR:
225 printf("%p", (void *) val);
226 break;
227
228 case V_ERRNO:
229 if (sval >= -15 && sval <= 0) {
230 printf("%ld %s (%s)", sval,
231 err_desc[-sval].name,
232 err_desc[-sval].desc);
233 } else {
234 printf("%ld", sval);
235 }
236 break;
237 case V_INT_ERRNO:
238 if (sval >= -15 && sval < 0) {
239 printf("%ld %s (%s)", sval,
240 err_desc[-sval].name,
241 err_desc[-sval].desc);
242 } else {
243 printf("%ld", sval);
244 }
245 break;
246
247 case V_CHAR:
248 if (sval >= 0x20 && sval < 0x7f) {
249 printf("'%c'", (char) sval);
250 } else {
251 switch (sval) {
252 case '\a': printf("'\\a'"); break;
253 case '\b': printf("'\\b'"); break;
254 case '\n': printf("'\\n'"); break;
255 case '\r': printf("'\\r'"); break;
256 case '\t': printf("'\\t'"); break;
257 case '\\': printf("'\\\\'"); break;
258 default: printf("'\\x%02" PRIxn "'", val); break;
259 }
260 }
261 break;
262 }
263}
264
265
266static void print_sc_retval(sysarg_t retval, val_type_t val_type)
267{
268 printf(" -> ");
269 val_print(retval, val_type);
270 putchar('\n');
271}
272
273static void print_sc_args(sysarg_t *sc_args, int n)
274{
275 int i;
276
277 putchar('(');
278 if (n > 0) printf("%" PRIun, sc_args[0]);
279 for (i = 1; i < n; i++) {
280 printf(", %" PRIun, sc_args[i]);
281 }
282 putchar(')');
283}
284
285static void sc_ipc_call_async_fast(sysarg_t *sc_args, sysarg_t sc_rc)
286{
287 ipc_call_t call;
288 sysarg_t phoneid;
289
290 if (sc_rc == (sysarg_t) IPC_CALLRET_FATAL ||
291 sc_rc == (sysarg_t) IPC_CALLRET_TEMPORARY)
292 return;
293
294 phoneid = sc_args[0];
295
296 IPC_SET_IMETHOD(call, sc_args[1]);
297 IPC_SET_ARG1(call, sc_args[2]);
298 IPC_SET_ARG2(call, sc_args[3]);
299 IPC_SET_ARG3(call, sc_args[4]);
300 IPC_SET_ARG4(call, sc_args[5]);
301 IPC_SET_ARG5(call, 0);
302
303 ipcp_call_out(phoneid, &call, sc_rc);
304}
305
306static void sc_ipc_call_async_slow(sysarg_t *sc_args, sysarg_t sc_rc)
307{
308 ipc_call_t call;
309 int rc;
310
311 if (sc_rc == (sysarg_t) IPC_CALLRET_FATAL ||
312 sc_rc == (sysarg_t) IPC_CALLRET_TEMPORARY)
313 return;
314
315 memset(&call, 0, sizeof(call));
316 rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));
317
318 if (rc >= 0) {
319 ipcp_call_out(sc_args[0], &call, sc_rc);
320 }
321}
322
323static void sc_ipc_call_sync_fast(sysarg_t *sc_args)
324{
325 ipc_call_t question, reply;
326 int rc;
327 int phoneidx;
328
329// printf("sc_ipc_call_sync_fast()\n");
330 phoneidx = sc_args[0];
331
332 IPC_SET_IMETHOD(question, sc_args[1]);
333 IPC_SET_ARG1(question, sc_args[2]);
334 IPC_SET_ARG2(question, sc_args[3]);
335 IPC_SET_ARG3(question, sc_args[4]);
336 IPC_SET_ARG4(question, 0);
337 IPC_SET_ARG5(question, 0);
338
339// printf("memset\n");
340 memset(&reply, 0, sizeof(reply));
341// printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",
342// phoneid, &reply.args, sc_args[5], sizeof(reply.args));
343 rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));
344// printf("dmr->%d\n", rc);
345 if (rc < 0) return;
346
347// printf("call ipc_call_sync\n");
348 ipcp_call_sync(phoneidx, &question, &reply);
349}
350
351static void sc_ipc_call_sync_slow_b(unsigned thread_id, sysarg_t *sc_args)
352{
353 ipc_call_t question;
354 int rc;
355
356 memset(&question, 0, sizeof(question));
357 rc = udebug_mem_read(phoneid, &question.args, sc_args[1],
358 sizeof(question.args));
359
360 if (rc < 0) {
361 printf("Error: mem_read->%d\n", rc);
362 return;
363 }
364
365 thread_ipc_req[thread_id] = question;
366}
367
368static void sc_ipc_call_sync_slow_e(unsigned thread_id, sysarg_t *sc_args)
369{
370 ipc_call_t reply;
371 int rc;
372
373 memset(&reply, 0, sizeof(reply));
374 rc = udebug_mem_read(phoneid, &reply.args, sc_args[2],
375 sizeof(reply.args));
376
377 if (rc < 0) {
378 printf("Error: mem_read->%d\n", rc);
379 return;
380 }
381
382 ipcp_call_sync(sc_args[0], &thread_ipc_req[thread_id], &reply);
383}
384
385static void sc_ipc_wait(sysarg_t *sc_args, int sc_rc)
386{
387 ipc_call_t call;
388 int rc;
389
390 if (sc_rc == 0) return;
391
392 memset(&call, 0, sizeof(call));
393 rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));
394// printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",
395// phoneid, (int)&call, sc_args[0], sizeof(call), rc);
396
397 if (rc >= 0) {
398 ipcp_call_in(&call, sc_rc);
399 }
400}
401
402static void event_syscall_b(unsigned thread_id, uintptr_t thread_hash,
403 unsigned sc_id, sysarg_t sc_rc)
404{
405 sysarg_t sc_args[6];
406 int rc;
407
408 /* Read syscall arguments */
409 rc = udebug_args_read(phoneid, thread_hash, sc_args);
410
411 async_serialize_start();
412
413// printf("[%d] ", thread_id);
414
415 if (rc < 0) {
416 printf("error\n");
417 async_serialize_end();
418 return;
419 }
420
421 if ((display_mask & DM_SYSCALL) != 0) {
422 /* Print syscall name and arguments */
423 printf("%s", syscall_desc[sc_id].name);
424 print_sc_args(sc_args, syscall_desc[sc_id].n_args);
425 }
426
427 switch (sc_id) {
428 case SYS_IPC_CALL_SYNC_SLOW:
429 sc_ipc_call_sync_slow_b(thread_id, sc_args);
430 break;
431 default:
432 break;
433 }
434
435 async_serialize_end();
436}
437
438static void event_syscall_e(unsigned thread_id, uintptr_t thread_hash,
439 unsigned sc_id, sysarg_t sc_rc)
440{
441 sysarg_t sc_args[6];
442 int rv_type;
443 int rc;
444
445 /* Read syscall arguments */
446 rc = udebug_args_read(phoneid, thread_hash, sc_args);
447
448 async_serialize_start();
449
450// printf("[%d] ", thread_id);
451
452 if (rc < 0) {
453 printf("error\n");
454 async_serialize_end();
455 return;
456 }
457
458 if ((display_mask & DM_SYSCALL) != 0) {
459 /* Print syscall return value */
460 rv_type = syscall_desc[sc_id].rv_type;
461 print_sc_retval(sc_rc, rv_type);
462 }
463
464 switch (sc_id) {
465 case SYS_IPC_CALL_ASYNC_FAST:
466 sc_ipc_call_async_fast(sc_args, sc_rc);
467 break;
468 case SYS_IPC_CALL_ASYNC_SLOW:
469 sc_ipc_call_async_slow(sc_args, sc_rc);
470 break;
471 case SYS_IPC_CALL_SYNC_FAST:
472 sc_ipc_call_sync_fast(sc_args);
473 break;
474 case SYS_IPC_CALL_SYNC_SLOW:
475 sc_ipc_call_sync_slow_e(thread_id, sc_args);
476 break;
477 case SYS_IPC_WAIT:
478 sc_ipc_wait(sc_args, sc_rc);
479 break;
480 default:
481 break;
482 }
483
484 async_serialize_end();
485}
486
487static void event_thread_b(uintptr_t hash)
488{
489 async_serialize_start();
490 printf("New thread, hash %p\n", (void *) hash);
491 async_serialize_end();
492
493 thread_trace_start(hash);
494}
495
496static int trace_loop(void *thread_hash_arg)
497{
498 int rc;
499 unsigned ev_type;
500 uintptr_t thread_hash;
501 unsigned thread_id;
502 sysarg_t val0, val1;
503
504 thread_hash = (uintptr_t)thread_hash_arg;
505 thread_id = next_thread_id++;
506 if (thread_id >= THBUF_SIZE) {
507 printf("Too many threads.\n");
508 return ELIMIT;
509 }
510
511 printf("Start tracing thread [%u] (hash %p).\n",
512 thread_id, (void *) thread_hash);
513
514 while (!abort_trace) {
515
516 fibril_mutex_lock(&state_lock);
517 if (paused) {
518 printf("Thread [%u] paused. Press R to resume.\n",
519 thread_id);
520
521 while (paused)
522 fibril_condvar_wait(&state_cv, &state_lock);
523
524 printf("Thread [%u] resumed.\n", thread_id);
525 }
526 fibril_mutex_unlock(&state_lock);
527
528 /* Run thread until an event occurs */
529 rc = udebug_go(phoneid, thread_hash,
530 &ev_type, &val0, &val1);
531
532// printf("rc = %d, ev_type=%d\n", rc, ev_type);
533 if (ev_type == UDEBUG_EVENT_FINISHED) {
534 /* Done tracing this thread */
535 break;
536 }
537
538 if (rc >= 0) {
539 switch (ev_type) {
540 case UDEBUG_EVENT_SYSCALL_B:
541 event_syscall_b(thread_id, thread_hash, val0, (int)val1);
542 break;
543 case UDEBUG_EVENT_SYSCALL_E:
544 event_syscall_e(thread_id, thread_hash, val0, (int)val1);
545 break;
546 case UDEBUG_EVENT_STOP:
547 printf("Stop event\n");
548 fibril_mutex_lock(&state_lock);
549 paused = true;
550 fibril_mutex_unlock(&state_lock);
551 break;
552 case UDEBUG_EVENT_THREAD_B:
553 event_thread_b(val0);
554 break;
555 case UDEBUG_EVENT_THREAD_E:
556 printf("Thread %" PRIun " exited.\n", val0);
557 fibril_mutex_lock(&state_lock);
558 abort_trace = true;
559 fibril_condvar_broadcast(&state_cv);
560 fibril_mutex_unlock(&state_lock);
561 break;
562 default:
563 printf("Unknown event type %d.\n", ev_type);
564 break;
565 }
566 }
567
568 }
569
570 printf("Finished tracing thread [%d].\n", thread_id);
571 return 0;
572}
573
574void thread_trace_start(uintptr_t thread_hash)
575{
576 fid_t fid;
577
578 thash = thread_hash;
579
580 fid = fibril_create(trace_loop, (void *)thread_hash);
581 if (fid == 0) {
582 printf("Warning: Failed creating fibril\n");
583 }
584 fibril_add_ready(fid);
585}
586
587static loader_t *preload_task(const char *path, char **argv,
588 task_id_t *task_id)
589{
590 loader_t *ldr;
591 int rc;
592
593 /* Spawn a program loader */
594 ldr = loader_connect();
595 if (ldr == NULL)
596 return 0;
597
598 /* Get task ID. */
599 rc = loader_get_task_id(ldr, task_id);
600 if (rc != EOK)
601 goto error;
602
603 /* Send program pathname */
604 rc = loader_set_pathname(ldr, path);
605 if (rc != EOK)
606 goto error;
607
608 /* Send arguments */
609 rc = loader_set_args(ldr, (const char **) argv);
610 if (rc != EOK)
611 goto error;
612
613 /* Send default files */
614 fdi_node_t *files[4];
615 fdi_node_t stdin_node;
616 fdi_node_t stdout_node;
617 fdi_node_t stderr_node;
618
619 if ((stdin != NULL) && (fnode(stdin, &stdin_node) == EOK))
620 files[0] = &stdin_node;
621 else
622 files[0] = NULL;
623
624 if ((stdout != NULL) && (fnode(stdout, &stdout_node) == EOK))
625 files[1] = &stdout_node;
626 else
627 files[1] = NULL;
628
629 if ((stderr != NULL) && (fnode(stderr, &stderr_node) == EOK))
630 files[2] = &stderr_node;
631 else
632 files[2] = NULL;
633
634 files[3] = NULL;
635
636 rc = loader_set_files(ldr, files);
637 if (rc != EOK)
638 goto error;
639
640 /* Load the program. */
641 rc = loader_load_program(ldr);
642 if (rc != EOK)
643 goto error;
644
645 /* Success */
646 return ldr;
647
648 /* Error exit */
649error:
650 loader_abort(ldr);
651 free(ldr);
652 return NULL;
653}
654
655static int cev_fibril(void *arg)
656{
657 (void) arg;
658
659 while (true) {
660 fibril_mutex_lock(&state_lock);
661 while (cev_valid)
662 fibril_condvar_wait(&state_cv, &state_lock);
663 fibril_mutex_unlock(&state_lock);
664
665 if (!console_get_event(fphone(stdin), &cev))
666 return -1;
667
668 fibril_mutex_lock(&state_lock);
669 cev_valid = true;
670 fibril_condvar_broadcast(&state_cv);
671 fibril_mutex_unlock(&state_lock);
672 }
673}
674
675static void trace_task(task_id_t task_id)
676{
677 console_event_t ev;
678 bool done;
679 int i;
680 int rc;
681
682 ipcp_init();
683
684 /*
685 * User apps now typically have console on phone 3.
686 * (Phones 1 and 2 are used by the loader).
687 */
688 ipcp_connection_set(3, 0, proto_console);
689
690 rc = get_thread_list();
691 if (rc < 0) {
692 printf("Failed to get thread list (error %d)\n", rc);
693 return;
694 }
695
696 abort_trace = false;
697
698 for (i = 0; i < n_threads; i++) {
699 thread_trace_start(thread_hash_buf[i]);
700 }
701
702 done = false;
703
704 while (!done) {
705 fibril_mutex_lock(&state_lock);
706 while (!cev_valid && !abort_trace)
707 fibril_condvar_wait(&state_cv, &state_lock);
708 fibril_mutex_unlock(&state_lock);
709
710 ev = cev;
711
712 fibril_mutex_lock(&state_lock);
713 cev_valid = false;
714 fibril_condvar_broadcast(&state_cv);
715 fibril_mutex_unlock(&state_lock);
716
717 if (abort_trace)
718 break;
719
720 if (ev.type != KEY_PRESS)
721 continue;
722
723 switch (ev.key) {
724 case KC_Q:
725 done = true;
726 break;
727 case KC_P:
728 printf("Pause...\n");
729 rc = udebug_stop(phoneid, thash);
730 if (rc != EOK)
731 printf("Error: stop -> %d\n", rc);
732 break;
733 case KC_R:
734 fibril_mutex_lock(&state_lock);
735 paused = false;
736 fibril_condvar_broadcast(&state_cv);
737 fibril_mutex_unlock(&state_lock);
738 printf("Resume...\n");
739 break;
740 }
741 }
742
743 printf("\nTerminate debugging session...\n");
744 abort_trace = true;
745 udebug_end(phoneid);
746 async_hangup(phoneid);
747
748 ipcp_cleanup();
749
750 printf("Done\n");
751 return;
752}
753
754static void main_init(void)
755{
756 proto_t *p;
757 oper_t *o;
758
759 val_type_t arg_def[OPER_MAX_ARGS] = {
760 V_INTEGER,
761 V_INTEGER,
762 V_INTEGER,
763 V_INTEGER,
764 V_INTEGER
765 };
766
767 val_type_t resp_def[OPER_MAX_ARGS] = {
768 V_INTEGER,
769 V_INTEGER,
770 V_INTEGER,
771 V_INTEGER,
772 V_INTEGER
773 };
774
775 next_thread_id = 1;
776 paused = false;
777 cev_valid = false;
778
779 fibril_mutex_initialize(&state_lock);
780 fibril_condvar_initialize(&state_cv);
781
782 proto_init();
783
784 p = proto_new("vfs");
785 o = oper_new("open", 2, arg_def, V_INT_ERRNO, 0, resp_def);
786 proto_add_oper(p, VFS_IN_OPEN, o);
787 o = oper_new("open_node", 4, arg_def, V_INT_ERRNO, 0, resp_def);
788 proto_add_oper(p, VFS_IN_OPEN_NODE, o);
789 o = oper_new("read", 1, arg_def, V_ERRNO, 1, resp_def);
790 proto_add_oper(p, VFS_IN_READ, o);
791 o = oper_new("write", 1, arg_def, V_ERRNO, 1, resp_def);
792 proto_add_oper(p, VFS_IN_WRITE, o);
793 o = oper_new("seek", 3, arg_def, V_ERRNO, 0, resp_def);
794 proto_add_oper(p, VFS_IN_SEEK, o);
795 o = oper_new("truncate", 5, arg_def, V_ERRNO, 0, resp_def);
796 proto_add_oper(p, VFS_IN_TRUNCATE, o);
797 o = oper_new("fstat", 1, arg_def, V_ERRNO, 0, resp_def);
798 proto_add_oper(p, VFS_IN_FSTAT, o);
799 o = oper_new("close", 1, arg_def, V_ERRNO, 0, resp_def);
800 proto_add_oper(p, VFS_IN_CLOSE, o);
801 o = oper_new("mount", 2, arg_def, V_ERRNO, 0, resp_def);
802 proto_add_oper(p, VFS_IN_MOUNT, o);
803/* o = oper_new("unmount", 0, arg_def);
804 proto_add_oper(p, VFS_IN_UNMOUNT, o);*/
805 o = oper_new("sync", 1, arg_def, V_ERRNO, 0, resp_def);
806 proto_add_oper(p, VFS_IN_SYNC, o);
807 o = oper_new("mkdir", 1, arg_def, V_ERRNO, 0, resp_def);
808 proto_add_oper(p, VFS_IN_MKDIR, o);
809 o = oper_new("unlink", 0, arg_def, V_ERRNO, 0, resp_def);
810 proto_add_oper(p, VFS_IN_UNLINK, o);
811 o = oper_new("rename", 0, arg_def, V_ERRNO, 0, resp_def);
812 proto_add_oper(p, VFS_IN_RENAME, o);
813 o = oper_new("stat", 0, arg_def, V_ERRNO, 0, resp_def);
814 proto_add_oper(p, VFS_IN_STAT, o);
815
816 proto_register(SERVICE_VFS, p);
817
818 p = proto_new("console");
819
820 o = oper_new("write", 1, arg_def, V_ERRNO, 1, resp_def);
821 proto_add_oper(p, VFS_IN_WRITE, o);
822
823 resp_def[0] = V_INTEGER; resp_def[1] = V_INTEGER;
824 resp_def[2] = V_INTEGER; resp_def[3] = V_CHAR;
825 o = oper_new("getkey", 0, arg_def, V_ERRNO, 4, resp_def);
826
827 arg_def[0] = V_CHAR;
828 o = oper_new("clear", 0, arg_def, V_VOID, 0, resp_def);
829 proto_add_oper(p, CONSOLE_CLEAR, o);
830
831 arg_def[0] = V_INTEGER; arg_def[1] = V_INTEGER;
832 o = oper_new("goto", 2, arg_def, V_VOID, 0, resp_def);
833 proto_add_oper(p, CONSOLE_GOTO, o);
834
835 resp_def[0] = V_INTEGER; resp_def[1] = V_INTEGER;
836 o = oper_new("getsize", 0, arg_def, V_INTEGER, 2, resp_def);
837 proto_add_oper(p, CONSOLE_GET_SIZE, o);
838
839 arg_def[0] = V_INTEGER;
840 o = oper_new("set_style", 1, arg_def, V_VOID, 0, resp_def);
841 proto_add_oper(p, CONSOLE_SET_STYLE, o);
842 arg_def[0] = V_INTEGER; arg_def[1] = V_INTEGER; arg_def[2] = V_INTEGER;
843 o = oper_new("set_color", 3, arg_def, V_VOID, 0, resp_def);
844 proto_add_oper(p, CONSOLE_SET_COLOR, o);
845 arg_def[0] = V_INTEGER; arg_def[1] = V_INTEGER;
846 o = oper_new("set_rgb_color", 2, arg_def, V_VOID, 0, resp_def);
847 proto_add_oper(p, CONSOLE_SET_RGB_COLOR, o);
848 o = oper_new("cursor_visibility", 1, arg_def, V_VOID, 0, resp_def);
849 proto_add_oper(p, CONSOLE_CURSOR_VISIBILITY, o);
850
851 proto_console = p;
852 proto_register(SERVICE_CONSOLE, p);
853}
854
855static void print_syntax()
856{
857 printf("Syntax:\n");
858 printf("\ttrace [+<events>] <executable> [<arg1> [...]]\n");
859 printf("or\ttrace [+<events>] -t <task_id>\n");
860 printf("Events: (default is +tp)\n");
861 printf("\n");
862 printf("\tt ... Thread creation and termination\n");
863 printf("\ts ... System calls\n");
864 printf("\ti ... Low-level IPC\n");
865 printf("\tp ... Protocol level\n");
866 printf("\n");
867 printf("Examples:\n");
868 printf("\ttrace +s /app/tetris\n");
869 printf("\ttrace +tsip -t 12\n");
870}
871
872static display_mask_t parse_display_mask(const char *text)
873{
874 display_mask_t dm = 0;
875 const char *c = text;
876
877 while (*c) {
878 switch (*c) {
879 case 't':
880 dm = dm | DM_THREAD;
881 break;
882 case 's':
883 dm = dm | DM_SYSCALL;
884 break;
885 case 'i':
886 dm = dm | DM_IPC;
887 break;
888 case 'p':
889 dm = dm | DM_SYSTEM | DM_USER;
890 break;
891 default:
892 printf("Unexpected event type '%c'.\n", *c);
893 exit(1);
894 }
895
896 ++c;
897 }
898
899 return dm;
900}
901
902static int parse_args(int argc, char *argv[])
903{
904 char *err_p;
905
906 task_id = 0;
907
908 --argc;
909 ++argv;
910
911 while (argc > 0) {
912 char *arg = *argv;
913 if (arg[0] == '+') {
914 display_mask = parse_display_mask(&arg[1]);
915 } else if (arg[0] == '-') {
916 if (arg[1] == 't') {
917 /* Trace an already running task */
918 --argc;
919 ++argv;
920 task_id = strtol(*argv, &err_p, 10);
921 task_ldr = NULL;
922 task_wait_for = false;
923 if (*err_p) {
924 printf("Task ID syntax error\n");
925 print_syntax();
926 return -1;
927 }
928 } else {
929 printf("Uknown option '%c'\n", arg[0]);
930 print_syntax();
931 return -1;
932 }
933 } else {
934 break;
935 }
936
937 --argc;
938 ++argv;
939 }
940
941 if (task_id != 0) {
942 if (argc == 0)
943 return 0;
944 printf("Extra arguments\n");
945 print_syntax();
946 return -1;
947 }
948
949 if (argc < 1) {
950 printf("Missing argument\n");
951 print_syntax();
952 return -1;
953 }
954
955 /* Preload the specified program file. */
956 printf("Spawning '%s' with arguments:\n", *argv);
957
958 char **cp = argv;
959 while (*cp)
960 printf("'%s'\n", *cp++);
961
962 task_ldr = preload_task(*argv, argv, &task_id);
963 task_wait_for = true;
964
965 return 0;
966}
967
968int main(int argc, char *argv[])
969{
970 int rc;
971 task_exit_t texit;
972 int retval;
973
974 printf("System Call / IPC Tracer\n");
975 printf("Controls: Q - Quit, P - Pause, R - Resume\n");
976
977 display_mask = DM_THREAD | DM_SYSTEM | DM_USER;
978
979 if (parse_args(argc, argv) < 0)
980 return 1;
981
982 main_init();
983
984 rc = connect_task(task_id);
985 if (rc < 0) {
986 printf("Failed connecting to task %" PRIu64 ".\n", task_id);
987 return 1;
988 }
989
990 printf("Connected to task %" PRIu64 ".\n", task_id);
991
992 if (task_ldr != NULL)
993 program_run();
994
995 cev_fibril_start();
996 trace_task(task_id);
997
998 if (task_wait_for) {
999 printf("Waiting for task to exit.\n");
1000
1001 rc = task_wait(task_id, &texit, &retval);
1002 if (rc != EOK) {
1003 printf("Failed waiting for task.\n");
1004 return -1;
1005 }
1006
1007 if (texit == TASK_EXIT_NORMAL) {
1008 printf("Task exited normally, return value %d.\n",
1009 retval);
1010 } else {
1011 printf("Task exited unexpectedly.\n");
1012 }
1013 }
1014
1015 return 0;
1016}
1017
1018/** @}
1019 */
Note: See TracBrowser for help on using the repository browser.