source: mainline/uspace/app/trace/trace.c@ d3e6935

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since d3e6935 was d3e6935, checked in by Jiri Svoboda <jirik.svoboda@…>, 17 years ago

Put console IPC method numbers under libc.
  • Property mode set to 100644
File size: 16.8 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 <ipc/ipc.h>
39#include <fibril.h>
40#include <errno.h>
41#include <udebug.h>
42#include <async.h>
43#include <task.h>
44#include <loader/loader.h>
45
46#include <libc.h>
47
48// Temporary: service and method names
49#include "proto.h"
50#include <ipc/services.h>
51#include "../../srv/vfs/vfs.h"
52#include <ipc/console.h>
53
54#include "syscalls.h"
55#include "ipcp.h"
56#include "errors.h"
57#include "trace.h"
58
59#define THBUF_SIZE 64
60uintptr_t thread_hash_buf[THBUF_SIZE];
61int n_threads;
62
63int next_thread_id;
64
65int phoneid;
66int abort_trace;
67
68uintptr_t thash;
69volatile int paused;
70
71void thread_trace_start(uintptr_t thread_hash);
72
73static proto_t *proto_console;
74static task_id_t task_id;
75static loader_t *task_ldr;
76
77/** Combination of events/data to print. */
78display_mask_t display_mask;
79
80static int program_run_fibril(void *arg);
81
82static void program_run(void)
83{
84 fid_t fid;
85
86 fid = fibril_create(program_run_fibril, NULL);
87 if (fid == 0) {
88 printf("Error creating fibril\n");
89 exit(1);
90 }
91
92 fibril_add_ready(fid);
93}
94
95static int program_run_fibril(void *arg)
96{
97 int rc;
98
99 /*
100 * This must be done in background as it will block until
101 * we let the task reply to this call.
102 */
103 rc = loader_run(task_ldr);
104 if (rc != 0) {
105 printf("Error running program\n");
106 exit(1);
107 }
108
109 free(task_ldr);
110 task_ldr = NULL;
111
112 printf("program_run_fibril exiting\n");
113 return 0;
114}
115
116
117static int connect_task(task_id_t task_id)
118{
119 int rc;
120
121 rc = ipc_connect_kbox(task_id);
122
123 if (rc == ENOTSUP) {
124 printf("You do not have userspace debugging support "
125 "compiled in the kernel.\n");
126 printf("Compile kernel with 'Support for userspace debuggers' "
127 "(CONFIG_UDEBUG) enabled.\n");
128 return rc;
129 }
130
131 if (rc < 0) {
132 printf("Error connecting\n");
133 printf("ipc_connect_task(%lld) -> %d ", task_id, rc);
134 return rc;
135 }
136
137 phoneid = rc;
138
139 rc = udebug_begin(phoneid);
140 if (rc < 0) {
141 printf("udebug_begin() -> %d\n", rc);
142 return rc;
143 }
144
145 rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);
146 if (rc < 0) {
147 printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc);
148 return rc;
149 }
150
151 return 0;
152}
153
154static int get_thread_list(void)
155{
156 int rc;
157 size_t tb_copied;
158 size_t tb_needed;
159 int i;
160
161 rc = udebug_thread_read(phoneid, thread_hash_buf,
162 THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);
163 if (rc < 0) {
164 printf("udebug_thread_read() -> %d\n", rc);
165 return rc;
166 }
167
168 n_threads = tb_copied / sizeof(uintptr_t);
169
170 printf("Threads:");
171 for (i = 0; i < n_threads; i++) {
172 printf(" [%d] (hash 0x%lx)", 1+i, thread_hash_buf[i]);
173 }
174 printf("\ntotal of %u threads\n", tb_needed / sizeof(uintptr_t));
175
176 return 0;
177}
178
179void val_print(sysarg_t val, val_type_t v_type)
180{
181 switch (v_type) {
182 case V_VOID:
183 printf("<void>");
184 break;
185
186 case V_INTEGER:
187 printf("%ld", val);
188 break;
189
190 case V_HASH:
191 case V_PTR:
192 printf("0x%08lx", val);
193 break;
194
195 case V_ERRNO:
196 if (val >= -15 && val <= 0) {
197 printf("%ld %s (%s)", val,
198 err_desc[-val].name,
199 err_desc[-val].desc);
200 } else {
201 printf("%ld", val);
202 }
203 break;
204 case V_INT_ERRNO:
205 if (val >= -15 && val < 0) {
206 printf("%ld %s (%s)", val,
207 err_desc[-val].name,
208 err_desc[-val].desc);
209 } else {
210 printf("%ld", val);
211 }
212 break;
213
214 case V_CHAR:
215 if (val >= 0x20 && val < 0x7f) {
216 printf("'%c'", val);
217 } else {
218 switch (val) {
219 case '\a': printf("'\\a'"); break;
220 case '\b': printf("'\\b'"); break;
221 case '\n': printf("'\\n'"); break;
222 case '\r': printf("'\\r'"); break;
223 case '\t': printf("'\\t'"); break;
224 case '\\': printf("'\\\\'"); break;
225 default: printf("'\\x%02lX'", val); break;
226 }
227 }
228 break;
229 }
230}
231
232
233static void print_sc_retval(sysarg_t retval, val_type_t val_type)
234{
235 printf(" -> ");
236 val_print(retval, val_type);
237 putchar('\n');
238}
239
240static void print_sc_args(sysarg_t *sc_args, int n)
241{
242 int i;
243
244 putchar('(');
245 if (n > 0) printf("%ld", sc_args[0]);
246 for (i = 1; i < n; i++) {
247 printf(", %ld", sc_args[i]);
248 }
249 putchar(')');
250}
251
252static void sc_ipc_call_async_fast(sysarg_t *sc_args, sysarg_t sc_rc)
253{
254 ipc_call_t call;
255 ipcarg_t phoneid;
256
257 if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY)
258 return;
259
260 phoneid = sc_args[0];
261
262 IPC_SET_METHOD(call, sc_args[1]);
263 IPC_SET_ARG1(call, sc_args[2]);
264 IPC_SET_ARG2(call, sc_args[3]);
265 IPC_SET_ARG3(call, sc_args[4]);
266 IPC_SET_ARG4(call, sc_args[5]);
267 IPC_SET_ARG5(call, 0);
268
269 ipcp_call_out(phoneid, &call, sc_rc);
270}
271
272static void sc_ipc_call_async_slow(sysarg_t *sc_args, sysarg_t sc_rc)
273{
274 ipc_call_t call;
275 int rc;
276
277 if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY)
278 return;
279
280 memset(&call, 0, sizeof(call));
281 rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));
282
283 if (rc >= 0) {
284 ipcp_call_out(sc_args[0], &call, sc_rc);
285 }
286}
287
288static void sc_ipc_call_sync_fast(sysarg_t *sc_args)
289{
290 ipc_call_t question, reply;
291 int rc;
292 int phoneidx;
293
294// printf("sc_ipc_call_sync_fast()\n");
295 phoneidx = sc_args[0];
296
297 IPC_SET_METHOD(question, sc_args[1]);
298 IPC_SET_ARG1(question, sc_args[2]);
299 IPC_SET_ARG2(question, sc_args[3]);
300 IPC_SET_ARG3(question, sc_args[4]);
301 IPC_SET_ARG4(question, 0);
302 IPC_SET_ARG5(question, 0);
303
304// printf("memset\n");
305 memset(&reply, 0, sizeof(reply));
306// printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",
307// phoneid, &reply.args, sc_args[5], sizeof(reply.args));
308 rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));
309// printf("dmr->%d\n", rc);
310 if (rc < 0) return;
311
312// printf("call ipc_call_sync\n");
313 ipcp_call_sync(phoneidx, &question, &reply);
314}
315
316static void sc_ipc_call_sync_slow(sysarg_t *sc_args)
317{
318 ipc_call_t question, reply;
319 int rc;
320
321 memset(&question, 0, sizeof(question));
322 rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));
323 printf("dmr->%d\n", rc);
324 if (rc < 0) return;
325
326 memset(&reply, 0, sizeof(reply));
327 rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));
328 printf("dmr->%d\n", rc);
329 if (rc < 0) return;
330
331 ipcp_call_sync(sc_args[0], &question, &reply);
332}
333
334static void sc_ipc_wait(sysarg_t *sc_args, int sc_rc)
335{
336 ipc_call_t call;
337 int rc;
338
339 if (sc_rc == 0) return;
340
341 memset(&call, 0, sizeof(call));
342 rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));
343// printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",
344// phoneid, (int)&call, sc_args[0], sizeof(call), rc);
345
346 if (rc >= 0) {
347 ipcp_call_in(&call, sc_rc);
348 }
349}
350
351static void event_syscall_b(unsigned thread_id, uintptr_t thread_hash,
352 unsigned sc_id, sysarg_t sc_rc)
353{
354 sysarg_t sc_args[6];
355 int rc;
356
357 /* Read syscall arguments */
358 rc = udebug_args_read(phoneid, thread_hash, sc_args);
359
360 async_serialize_start();
361
362// printf("[%d] ", thread_id);
363
364 if (rc < 0) {
365 printf("error\n");
366 async_serialize_end();
367 return;
368 }
369
370 if ((display_mask & DM_SYSCALL) != 0) {
371 /* Print syscall name and arguments */
372 printf("%s", syscall_desc[sc_id].name);
373 print_sc_args(sc_args, syscall_desc[sc_id].n_args);
374 }
375
376 async_serialize_end();
377}
378
379static void event_syscall_e(unsigned thread_id, uintptr_t thread_hash,
380 unsigned sc_id, sysarg_t sc_rc)
381{
382 sysarg_t sc_args[6];
383 int rv_type;
384 int rc;
385
386 /* Read syscall arguments */
387 rc = udebug_args_read(phoneid, thread_hash, sc_args);
388
389 async_serialize_start();
390
391// printf("[%d] ", thread_id);
392
393 if (rc < 0) {
394 printf("error\n");
395 async_serialize_end();
396 return;
397 }
398
399 if ((display_mask & DM_SYSCALL) != 0) {
400 /* Print syscall return value */
401 rv_type = syscall_desc[sc_id].rv_type;
402 print_sc_retval(sc_rc, rv_type);
403 }
404
405 switch (sc_id) {
406 case SYS_IPC_CALL_ASYNC_FAST:
407 sc_ipc_call_async_fast(sc_args, sc_rc);
408 break;
409 case SYS_IPC_CALL_ASYNC_SLOW:
410 sc_ipc_call_async_slow(sc_args, sc_rc);
411 break;
412 case SYS_IPC_CALL_SYNC_FAST:
413 sc_ipc_call_sync_fast(sc_args);
414 break;
415 case SYS_IPC_CALL_SYNC_SLOW:
416 sc_ipc_call_sync_slow(sc_args);
417 break;
418 case SYS_IPC_WAIT:
419 sc_ipc_wait(sc_args, sc_rc);
420 break;
421 default:
422 break;
423 }
424
425 async_serialize_end();
426}
427
428static void event_thread_b(uintptr_t hash)
429{
430 async_serialize_start();
431 printf("New thread, hash 0x%lx\n", hash);
432 async_serialize_end();
433
434 thread_trace_start(hash);
435}
436
437static int trace_loop(void *thread_hash_arg)
438{
439 int rc;
440 unsigned ev_type;
441 uintptr_t thread_hash;
442 unsigned thread_id;
443 sysarg_t val0, val1;
444
445 thread_hash = (uintptr_t)thread_hash_arg;
446 thread_id = next_thread_id++;
447
448 printf("Start tracing thread [%d] (hash 0x%lx).\n", thread_id, thread_hash);
449
450 while (!abort_trace) {
451
452 if (paused) {
453 printf("Press R to resume (and be patient).\n");
454 while (paused) {
455 usleep(1000000);
456 fibril_yield();
457 printf(".");
458 }
459 printf("Resumed\n");
460 }
461
462 /* Run thread until an event occurs */
463 rc = udebug_go(phoneid, thread_hash,
464 &ev_type, &val0, &val1);
465
466// printf("rc = %d, ev_type=%d\n", rc, ev_type);
467 if (ev_type == UDEBUG_EVENT_FINISHED) {
468 /* Done tracing this thread */
469 break;
470 }
471
472 if (rc >= 0) {
473 switch (ev_type) {
474 case UDEBUG_EVENT_SYSCALL_B:
475 event_syscall_b(thread_id, thread_hash, val0, (int)val1);
476 break;
477 case UDEBUG_EVENT_SYSCALL_E:
478 event_syscall_e(thread_id, thread_hash, val0, (int)val1);
479 break;
480 case UDEBUG_EVENT_STOP:
481 printf("Stop event\n");
482 break;
483 case UDEBUG_EVENT_THREAD_B:
484 event_thread_b(val0);
485 break;
486 case UDEBUG_EVENT_THREAD_E:
487 printf("Thread 0x%lx exited.\n", val0);
488 abort_trace = 1;
489 break;
490 default:
491 printf("Unknown event type %d.\n", ev_type);
492 break;
493 }
494 }
495
496 }
497
498 printf("Finished tracing thread [%d].\n", thread_id);
499 return 0;
500}
501
502void thread_trace_start(uintptr_t thread_hash)
503{
504 fid_t fid;
505
506 thash = thread_hash;
507
508 fid = fibril_create(trace_loop, (void *)thread_hash);
509 if (fid == 0) {
510 printf("Warning: Failed creating fibril\n");
511 }
512 fibril_add_ready(fid);
513}
514
515static loader_t *preload_task(const char *path, char *const argv[],
516 task_id_t *task_id)
517{
518 loader_t *ldr;
519 int rc;
520
521 /* Spawn a program loader */
522 ldr = loader_spawn(path);
523 if (ldr == NULL)
524 return 0;
525
526 /* Get task ID. */
527 rc = loader_get_task_id(ldr, task_id);
528 if (rc != EOK)
529 goto error;
530
531 /* Send program pathname */
532 rc = loader_set_pathname(ldr, path);
533 if (rc != EOK)
534 goto error;
535
536 /* Send arguments */
537 rc = loader_set_args(ldr, argv);
538 if (rc != EOK)
539 goto error;
540
541 /* Load the program. */
542 rc = loader_load_program(ldr);
543 if (rc != EOK)
544 goto error;
545
546 /* Success */
547 return ldr;
548
549 /* Error exit */
550error:
551 loader_abort(ldr);
552 free(ldr);
553 return NULL;
554}
555
556static void trace_task(task_id_t task_id)
557{
558 int i;
559 int rc;
560 int c;
561
562 ipcp_init();
563
564 /*
565 * User apps now typically have console on phone 3.
566 * (Phones 1 and 2 are used by the loader).
567 */
568 ipcp_connection_set(3, 0, proto_console);
569
570 rc = get_thread_list();
571 if (rc < 0) {
572 printf("Failed to get thread list (error %d)\n", rc);
573 return;
574 }
575
576 abort_trace = 0;
577
578 for (i = 0; i < n_threads; i++) {
579 thread_trace_start(thread_hash_buf[i]);
580 }
581
582 while(1) {
583 c = getchar();
584 if (c == 'q') break;
585 if (c == 'p') {
586 printf("Pause...\n");
587 paused = 1;
588 rc = udebug_stop(phoneid, thash);
589 printf("stop -> %d\n", rc);
590 }
591 if (c == 'r') {
592 paused = 0;
593 printf("Resume...\n");
594 }
595 }
596
597 printf("\nTerminate debugging session...\n");
598 abort_trace = 1;
599 udebug_end(phoneid);
600 ipc_hangup(phoneid);
601
602 ipcp_cleanup();
603
604 printf("Done\n");
605 return;
606}
607
608static void main_init(void)
609{
610 proto_t *p;
611 oper_t *o;
612
613 val_type_t arg_def[OPER_MAX_ARGS] = {
614 V_INTEGER,
615 V_INTEGER,
616 V_INTEGER,
617 V_INTEGER,
618 V_INTEGER
619 };
620
621 val_type_t resp_def[OPER_MAX_ARGS] = {
622 V_INTEGER,
623 V_INTEGER,
624 V_INTEGER,
625 V_INTEGER,
626 V_INTEGER
627 };
628
629 next_thread_id = 1;
630 paused = 0;
631
632 proto_init();
633
634 p = proto_new("vfs");
635 o = oper_new("read", 1, arg_def, V_ERRNO, 1, resp_def);
636 proto_add_oper(p, VFS_READ, o);
637 o = oper_new("write", 1, arg_def, V_ERRNO, 1, resp_def);
638 proto_add_oper(p, VFS_WRITE, o);
639 o = oper_new("truncate", 5, arg_def, V_ERRNO, 0, resp_def);
640 proto_add_oper(p, VFS_TRUNCATE, o);
641 o = oper_new("mount", 2, arg_def, V_ERRNO, 0, resp_def);
642 proto_add_oper(p, VFS_MOUNT, o);
643/* o = oper_new("unmount", 0, arg_def);
644 proto_add_oper(p, VFS_UNMOUNT, o);*/
645
646 proto_register(SERVICE_VFS, p);
647
648 p = proto_new("console");
649 resp_def[0] = V_CHAR;
650 o = oper_new("getchar", 0, arg_def, V_INTEGER, 2, resp_def);
651 proto_add_oper(p, CONSOLE_GETCHAR, o);
652
653 arg_def[0] = V_CHAR;
654 o = oper_new("putchar", 1, arg_def, V_VOID, 0, resp_def);
655 proto_add_oper(p, CONSOLE_PUTCHAR, o);
656 o = oper_new("clear", 0, arg_def, V_VOID, 0, resp_def);
657 proto_add_oper(p, CONSOLE_CLEAR, o);
658
659 arg_def[0] = V_INTEGER; arg_def[1] = V_INTEGER;
660 o = oper_new("goto", 2, arg_def, V_VOID, 0, resp_def);
661 proto_add_oper(p, CONSOLE_GOTO, o);
662
663 resp_def[0] = V_INTEGER; resp_def[1] = V_INTEGER;
664 o = oper_new("getsize", 0, arg_def, V_INTEGER, 2, resp_def);
665 proto_add_oper(p, CONSOLE_GETSIZE, o);
666 o = oper_new("flush", 0, arg_def, V_VOID, 0, resp_def);
667 proto_add_oper(p, CONSOLE_FLUSH, o);
668
669 arg_def[0] = V_INTEGER; arg_def[1] = V_INTEGER;
670 o = oper_new("set_style", 2, arg_def, V_INTEGER, 0, resp_def);
671 proto_add_oper(p, CONSOLE_SET_STYLE, o);
672 o = oper_new("cursor_visibility", 1, arg_def, V_VOID, 0, resp_def);
673 proto_add_oper(p, CONSOLE_CURSOR_VISIBILITY, o);
674
675 proto_console = p;
676 proto_register(SERVICE_CONSOLE, p);
677}
678
679static void print_syntax()
680{
681 printf("Syntax:\n");
682 printf("\ttrace [+<events>] <executable> [<arg1> [...]]\n");
683 printf("or\ttrace [+<events>] -t <task_id>\n");
684 printf("Events: (default is +tp)\n");
685 printf("\n");
686 printf("\tt ... Thread creation and termination\n");
687 printf("\ts ... System calls\n");
688 printf("\ti ... Low-level IPC\n");
689 printf("\tp ... Protocol level\n");
690 printf("\n");
691 printf("Examples:\n");
692 printf("\ttrace +s /app/tetris\n");
693 printf("\ttrace +tsip -t 12\n");
694}
695
696static display_mask_t parse_display_mask(char *text)
697{
698 display_mask_t dm;
699 char *c;
700
701 c = text;
702
703 while (*c) {
704 switch (*c) {
705 case 't': dm = dm | DM_THREAD; break;
706 case 's': dm = dm | DM_SYSCALL; break;
707 case 'i': dm = dm | DM_IPC; break;
708 case 'p': dm = dm | DM_SYSTEM | DM_USER; break;
709 default:
710 printf("Unexpected event type '%c'.\n", *c);
711 exit(1);
712 }
713
714 ++c;
715 }
716
717 return dm;
718}
719
720static int parse_args(int argc, char *argv[])
721{
722 char *arg;
723 char *err_p;
724
725 task_id = 0;
726
727 --argc; ++argv;
728
729 while (argc > 0) {
730 arg = *argv;
731 if (arg[0] == '+') {
732 display_mask = parse_display_mask(&arg[1]);
733 } else if (arg[0] == '-') {
734 if (arg[1] == 't') {
735 /* Trace an already running task */
736 --argc; ++argv;
737 task_id = strtol(*argv, &err_p, 10);
738 task_ldr = NULL;
739 if (*err_p) {
740 printf("Task ID syntax error\n");
741 print_syntax();
742 return -1;
743 }
744 } else {
745 printf("Uknown option '%s'\n", arg[0]);
746 print_syntax();
747 return -1;
748 }
749 } else {
750 break;
751 }
752
753 --argc; ++argv;
754 }
755
756 if (task_id != 0) {
757 if (argc == 0) return 0;
758 printf("Extra arguments\n");
759 print_syntax();
760 return -1;
761 }
762
763 if (argc < 1) {
764 printf("Missing argument\n");
765 print_syntax();
766 return -1;
767 }
768
769 /* Preload the specified program file. */
770 printf("Spawning '%s' with arguments:\n", *argv);
771 {
772 char **cp = argv;
773 while (*cp) printf("'%s'\n", *cp++);
774 }
775 task_ldr = preload_task(*argv, argv, &task_id);
776
777 return 0;
778}
779
780int main(int argc, char *argv[])
781{
782 int rc;
783
784 printf("System Call / IPC Tracer\n");
785 printf("Controls: Q - Quit, P - Pause, R - Resume\n");
786
787 display_mask = DM_THREAD | DM_SYSTEM | DM_USER;
788
789 if (parse_args(argc, argv) < 0)
790 return 1;
791
792 main_init();
793
794 rc = connect_task(task_id);
795 if (rc < 0) {
796 printf("Failed connecting to task %lld.\n", task_id);
797 return 1;
798 }
799
800 printf("Connected to task %lld.\n", task_id);
801
802 if (task_ldr != NULL) {
803 program_run();
804 }
805
806 trace_task(task_id);
807
808 return 0;
809}
810
811/** @}
812 */
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