Deleted Added
sdiff udiff text old ( 126399 ) new ( 131952 )
full compact
db_command.c (126399) db_command.c (131952)
1/*
2 * Mach Operating System
3 * Copyright (c) 1991,1990 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the

--- 18 unchanged lines hidden (view full) ---

27 * Author: David B. Golub, Carnegie Mellon University
28 * Date: 7/90
29 */
30/*
31 * Command dispatcher.
32 */
33
34#include <sys/cdefs.h>
1/*
2 * Mach Operating System
3 * Copyright (c) 1991,1990 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the

--- 18 unchanged lines hidden (view full) ---

27 * Author: David B. Golub, Carnegie Mellon University
28 * Date: 7/90
29 */
30/*
31 * Command dispatcher.
32 */
33
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: head/sys/ddb/db_command.c 126399 2004-02-29 09:55:32Z phk $");
35__FBSDID("$FreeBSD: head/sys/ddb/db_command.c 131952 2004-07-10 23:47:20Z marcel $");
36
37#include <sys/param.h>
38#include <sys/linker_set.h>
39#include <sys/lock.h>
36
37#include <sys/param.h>
38#include <sys/linker_set.h>
39#include <sys/lock.h>
40#include <sys/kdb.h>
40#include <sys/mutex.h>
41#include <sys/proc.h>
42#include <sys/reboot.h>
43#include <sys/signalvar.h>
44#include <sys/systm.h>
45#include <sys/cons.h>
46#include <sys/watchdog.h>
47

--- 5 unchanged lines hidden (view full) ---

53#include <machine/cpu.h>
54#include <machine/setjmp.h>
55
56/*
57 * Exported global variables
58 */
59boolean_t db_cmd_loop_done;
60db_addr_t db_dot;
41#include <sys/mutex.h>
42#include <sys/proc.h>
43#include <sys/reboot.h>
44#include <sys/signalvar.h>
45#include <sys/systm.h>
46#include <sys/cons.h>
47#include <sys/watchdog.h>
48

--- 5 unchanged lines hidden (view full) ---

54#include <machine/cpu.h>
55#include <machine/setjmp.h>
56
57/*
58 * Exported global variables
59 */
60boolean_t db_cmd_loop_done;
61db_addr_t db_dot;
61jmp_buf db_jmpbuf;
62db_addr_t db_last_addr;
63db_addr_t db_prev;
64db_addr_t db_next;
65
66SET_DECLARE(db_cmd_set, struct command);
67SET_DECLARE(db_show_cmd_set, struct command);
68
69static db_cmdfcn_t db_fncall;
62db_addr_t db_last_addr;
63db_addr_t db_prev;
64db_addr_t db_next;
65
66SET_DECLARE(db_cmd_set, struct command);
67SET_DECLARE(db_show_cmd_set, struct command);
68
69static db_cmdfcn_t db_fncall;
70static db_cmdfcn_t db_gdb;
71static db_cmdfcn_t db_kill;
72static db_cmdfcn_t db_reset;
73static db_cmdfcn_t db_watchdog;
74
75/* XXX this is actually forward-static. */
76extern struct command db_show_cmds[];
77
78/*

--- 291 unchanged lines hidden (view full) ---

370 }
371}
372
373/*
374 * 'show' commands
375 */
376
377static struct command db_show_all_cmds[] = {
70static db_cmdfcn_t db_kill;
71static db_cmdfcn_t db_reset;
72static db_cmdfcn_t db_watchdog;
73
74/* XXX this is actually forward-static. */
75extern struct command db_show_cmds[];
76
77/*

--- 291 unchanged lines hidden (view full) ---

369 }
370}
371
372/*
373 * 'show' commands
374 */
375
376static struct command db_show_all_cmds[] = {
378#if 0
379 { "threads", db_show_all_threads, 0, 0 },
380#endif
381 { "procs", db_ps, 0, 0 },
382 { (char *)0 }
383};
384
385static struct command db_show_cmds[] = {
386 { "all", 0, 0, db_show_all_cmds },
387 { "registers", db_show_regs, 0, 0 },
388 { "breaks", db_listbreak_cmd, 0, 0 },
377 { "procs", db_ps, 0, 0 },
378 { (char *)0 }
379};
380
381static struct command db_show_cmds[] = {
382 { "all", 0, 0, db_show_all_cmds },
383 { "registers", db_show_regs, 0, 0 },
384 { "breaks", db_listbreak_cmd, 0, 0 },
389 { "thread", db_show_one_thread, 0, 0 },
390#if 0
391 { "port", ipc_port_print, 0, 0 },
392#endif
385 { "threads", db_show_threads, 0, 0 },
393 { (char *)0, }
394};
395
396static struct command db_command_table[] = {
397 { "print", db_print_cmd, 0, 0 },
398 { "p", db_print_cmd, 0, 0 },
399 { "examine", db_examine_cmd, CS_SET_DOT, 0 },
400 { "x", db_examine_cmd, CS_SET_DOT, 0 },

--- 15 unchanged lines hidden (view full) ---

416 { "until", db_trace_until_call_cmd,0, 0 },
417 { "next", db_trace_until_matching_cmd,0, 0 },
418 { "match", db_trace_until_matching_cmd,0, 0 },
419 { "trace", db_stack_trace_cmd, 0, 0 },
420 { "where", db_stack_trace_cmd, 0, 0 },
421 { "call", db_fncall, CS_OWN, 0 },
422 { "show", 0, 0, db_show_cmds },
423 { "ps", db_ps, 0, 0 },
386 { (char *)0, }
387};
388
389static struct command db_command_table[] = {
390 { "print", db_print_cmd, 0, 0 },
391 { "p", db_print_cmd, 0, 0 },
392 { "examine", db_examine_cmd, CS_SET_DOT, 0 },
393 { "x", db_examine_cmd, CS_SET_DOT, 0 },

--- 15 unchanged lines hidden (view full) ---

409 { "until", db_trace_until_call_cmd,0, 0 },
410 { "next", db_trace_until_matching_cmd,0, 0 },
411 { "match", db_trace_until_matching_cmd,0, 0 },
412 { "trace", db_stack_trace_cmd, 0, 0 },
413 { "where", db_stack_trace_cmd, 0, 0 },
414 { "call", db_fncall, CS_OWN, 0 },
415 { "show", 0, 0, db_show_cmds },
416 { "ps", db_ps, 0, 0 },
424 { "gdb", db_gdb, 0, 0 },
425 { "reset", db_reset, 0, 0 },
426 { "kill", db_kill, CS_OWN, 0 },
427 { "watchdog", db_watchdog, 0, 0 },
417 { "reset", db_reset, 0, 0 },
418 { "kill", db_kill, CS_OWN, 0 },
419 { "watchdog", db_watchdog, 0, 0 },
420 { "thread", db_set_thread, CS_OWN, 0 },
428 { (char *)0, }
429};
430
431static struct command *db_last_command = 0;
432
421 { (char *)0, }
422};
423
424static struct command *db_last_command = 0;
425
433#if 0
434void
435db_help_cmd()
436{
437 struct command *cmd = db_command_table;
438
439 while (cmd->name != 0) {
440 db_printf("%-12s", cmd->name);
441 db_end_line();
442 cmd++;
443 }
444}
445#endif
446
447/*
448 * At least one non-optional command must be implemented using
449 * DB_COMMAND() so that db_cmd_set gets created. Here is one.
450 */
451DB_COMMAND(panic, db_panic)
452{
453 panic("from debugger");
454}

--- 4 unchanged lines hidden (view full) ---

459 /*
460 * Initialize 'prev' and 'next' to dot.
461 */
462 db_prev = db_dot;
463 db_next = db_dot;
464
465 db_cmd_loop_done = 0;
466 while (!db_cmd_loop_done) {
426/*
427 * At least one non-optional command must be implemented using
428 * DB_COMMAND() so that db_cmd_set gets created. Here is one.
429 */
430DB_COMMAND(panic, db_panic)
431{
432 panic("from debugger");
433}

--- 4 unchanged lines hidden (view full) ---

438 /*
439 * Initialize 'prev' and 'next' to dot.
440 */
441 db_prev = db_dot;
442 db_next = db_dot;
443
444 db_cmd_loop_done = 0;
445 while (!db_cmd_loop_done) {
467
468 (void) setjmp(db_jmpbuf);
469 if (db_print_position() != 0)
470 db_printf("\n");
471
472 db_printf("db> ");
473 (void) db_read_line();
474
475 db_command(&db_last_command, db_command_table,
476 SET_BEGIN(db_cmd_set), SET_LIMIT(db_cmd_set));
477 }
478}
479
480void
481db_error(s)
482 const char *s;
483{
484 if (s)
485 db_printf("%s", s);
486 db_flush_lex();
446 if (db_print_position() != 0)
447 db_printf("\n");
448
449 db_printf("db> ");
450 (void) db_read_line();
451
452 db_command(&db_last_command, db_command_table,
453 SET_BEGIN(db_cmd_set), SET_LIMIT(db_cmd_set));
454 }
455}
456
457void
458db_error(s)
459 const char *s;
460{
461 if (s)
462 db_printf("%s", s);
463 db_flush_lex();
487 longjmp(db_jmpbuf, 1);
464 kdb_reenter();
488}
489
490
491/*
492 * Call random function:
493 * !expr(arg,arg,arg)
494 */
495static void

--- 52 unchanged lines hidden (view full) ---

548 args[nargs++] = 0;
549 }
550
551 retval = (*func)(args[0], args[1], args[2], args[3], args[4],
552 args[5], args[6], args[7], args[8], args[9] );
553 db_printf("%#lr\n", (long)retval);
554}
555
465}
466
467
468/*
469 * Call random function:
470 * !expr(arg,arg,arg)
471 */
472static void

--- 52 unchanged lines hidden (view full) ---

525 args[nargs++] = 0;
526 }
527
528 retval = (*func)(args[0], args[1], args[2], args[3], args[4],
529 args[5], args[6], args[7], args[8], args[9] );
530 db_printf("%#lr\n", (long)retval);
531}
532
556/* Enter GDB remote protocol debugger on the next trap. */
557
558void *gdb_arg = NULL;
559cn_getc_t *gdb_getc;
560cn_putc_t *gdb_putc;
561
562static void
533static void
563db_gdb (dummy1, dummy2, dummy3, dummy4)
564 db_expr_t dummy1;
565 boolean_t dummy2;
566 db_expr_t dummy3;
567 char * dummy4;
568{
569
570 if (gdb_arg == NULL) {
571 db_printf("No gdb port enabled. Set flag 0x80 on desired port\n");
572 db_printf("in your configuration file (currently sio only).\n");
573 return;
574 }
575 boothowto ^= RB_GDB;
576
577 db_printf("Next trap will enter %s\n",
578 boothowto & RB_GDB ? "GDB remote protocol mode"
579 : "DDB debugger");
580}
581
582static void
583db_kill(dummy1, dummy2, dummy3, dummy4)
584 db_expr_t dummy1;
585 boolean_t dummy2;
586 db_expr_t dummy3;
587 char * dummy4;
588{
589 db_expr_t old_radix, pid, sig;
590 struct proc *p;

--- 72 unchanged lines hidden --- 		534db_kill(dummy1, dummy2, dummy3, dummy4)
535 db_expr_t dummy1;
536 boolean_t dummy2;
537 db_expr_t dummy3;
538 char * dummy4;
539{
540 db_expr_t old_radix, pid, sig;
541 struct proc *p;

--- 72 unchanged lines hidden ---