| db_command.c (256281) | db_command.c (273265) |
|---|---|
| 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: stable/10/sys/ddb/db_command.c 242424 2012-11-01 04:07:08Z alfred $"); | 35__FBSDID("$FreeBSD: stable/10/sys/ddb/db_command.c 273265 2014-10-18 19:22:59Z pfg $"); |
| 36 37#include <sys/param.h> 38#include <sys/linker_set.h> 39#include <sys/lock.h> 40#include <sys/kdb.h> 41#include <sys/mutex.h> 42#include <sys/proc.h> 43#include <sys/reboot.h> --- 108 unchanged lines hidden (view full) --- 152 * Otherwise: 'dot' points to next item, '..' points to last. 153 */ 154static boolean_t db_ed_style = TRUE; 155 156/* 157 * Utility routine - discard tokens through end-of-line. 158 */ 159void | 36 37#include <sys/param.h> 38#include <sys/linker_set.h> 39#include <sys/lock.h> 40#include <sys/kdb.h> 41#include <sys/mutex.h> 42#include <sys/proc.h> 43#include <sys/reboot.h> --- 108 unchanged lines hidden (view full) --- 152 * Otherwise: 'dot' points to next item, '..' points to last. 153 */ 154static boolean_t db_ed_style = TRUE; 155 156/* 157 * Utility routine - discard tokens through end-of-line. 158 */ 159void |
| 160db_skip_to_eol() | 160db_skip_to_eol(void) |
| 161{ 162 int t; 163 do { 164 t = db_read_token(); 165 } while (t != tEOL); 166} 167 168/* --- 78 unchanged lines hidden (view full) --- 247 } 248 /* NB: intentionally quiet */ 249} 250 251/* 252 * Helper function to match a single command. 253 */ 254static void | 161{ 162 int t; 163 do { 164 t = db_read_token(); 165 } while (t != tEOL); 166} 167 168/* --- 78 unchanged lines hidden (view full) --- 247 } 248 /* NB: intentionally quiet */ 249} 250 251/* 252 * Helper function to match a single command. 253 */ 254static void |
| 255db_cmd_match(name, cmd, cmdp, resultp) 256 char * name; 257 struct command *cmd; 258 struct command **cmdp; /* out */ 259 int * resultp; | 255db_cmd_match(char *name, struct command *cmd, struct command **cmdp, 256 int *resultp) |
| 260{ 261 char *lp, *rp; 262 int c; 263 264 lp = name; 265 rp = cmd->name; 266 while ((c = *lp) == *rp) { 267 if (c == 0) { --- 18 unchanged lines hidden (view full) --- 286 } 287 } 288} 289 290/* 291 * Search for command prefix. 292 */ 293static int | 257{ 258 char *lp, *rp; 259 int c; 260 261 lp = name; 262 rp = cmd->name; 263 while ((c = *lp) == *rp) { 264 if (c == 0) { --- 18 unchanged lines hidden (view full) --- 283 } 284 } 285} 286 287/* 288 * Search for command prefix. 289 */ 290static int |
| 294db_cmd_search(name, table, cmdp) 295 char * name; 296 struct command_table *table; 297 struct command **cmdp; /* out */ | 291db_cmd_search(char *name, struct command_table *table, struct command **cmdp) |
| 298{ 299 struct command *cmd; 300 int result = CMD_NONE; 301 302 LIST_FOREACH(cmd, table, next) { 303 db_cmd_match(name,cmd,cmdp,&result); 304 if (result == CMD_UNIQUE) 305 break; --- 4 unchanged lines hidden (view full) --- 310 if (name[0] == 'h' && name[1] == 'e' 311 && name[2] == 'l' && name[3] == 'p') 312 result = CMD_HELP; 313 } 314 return (result); 315} 316 317static void | 292{ 293 struct command *cmd; 294 int result = CMD_NONE; 295 296 LIST_FOREACH(cmd, table, next) { 297 db_cmd_match(name,cmd,cmdp,&result); 298 if (result == CMD_UNIQUE) 299 break; --- 4 unchanged lines hidden (view full) --- 304 if (name[0] == 'h' && name[1] == 'e' 305 && name[2] == 'l' && name[3] == 'p') 306 result = CMD_HELP; 307 } 308 return (result); 309} 310 311static void |
| 318db_cmd_list(table) 319 struct command_table *table; | 312db_cmd_list(struct command_table *table) |
| 320{ 321 register struct command *cmd; 322 323 LIST_FOREACH(cmd, table, next) { 324 db_printf("%-12s", cmd->name); 325 db_end_line(12); 326 } 327} 328 329static void | 313{ 314 register struct command *cmd; 315 316 LIST_FOREACH(cmd, table, next) { 317 db_printf("%-12s", cmd->name); 318 db_end_line(12); 319 } 320} 321 322static void |
| 330db_command(last_cmdp, cmd_table, dopager) 331 struct command **last_cmdp; /* IN_OUT */ 332 struct command_table *cmd_table; 333 int dopager; | 323db_command(struct command **last_cmdp, struct command_table *cmd_table, 324 int dopager) |
| 334{ 335 struct command *cmd = NULL; 336 int t; 337 char modif[TOK_STRING_SIZE]; 338 db_expr_t addr, count; 339 boolean_t have_addr = FALSE; 340 int result; 341 --- 136 unchanged lines hidden (view full) --- 478 */ 479DB_COMMAND(panic, db_panic) 480{ 481 db_disable_pager(); 482 panic("from debugger"); 483} 484 485void | 325{ 326 struct command *cmd = NULL; 327 int t; 328 char modif[TOK_STRING_SIZE]; 329 db_expr_t addr, count; 330 boolean_t have_addr = FALSE; 331 int result; 332 --- 136 unchanged lines hidden (view full) --- 469 */ 470DB_COMMAND(panic, db_panic) 471{ 472 db_disable_pager(); 473 panic("from debugger"); 474} 475 476void |
| 486db_command_loop() | 477db_command_loop(void) |
| 487{ 488 /* 489 * Initialize 'prev' and 'next' to dot. 490 */ 491 db_prev = db_dot; 492 db_next = db_dot; 493 494 db_cmd_loop_done = 0; --- 21 unchanged lines hidden (view full) --- 516db_command_script(const char *command) 517{ 518 db_prev = db_next = db_dot; 519 db_inject_line(command); 520 db_command(&db_last_command, &db_cmd_table, /* dopager */ 0); 521} 522 523void | 478{ 479 /* 480 * Initialize 'prev' and 'next' to dot. 481 */ 482 db_prev = db_dot; 483 db_next = db_dot; 484 485 db_cmd_loop_done = 0; --- 21 unchanged lines hidden (view full) --- 507db_command_script(const char *command) 508{ 509 db_prev = db_next = db_dot; 510 db_inject_line(command); 511 db_command(&db_last_command, &db_cmd_table, /* dopager */ 0); 512} 513 514void |
| 524db_error(s) 525 const char *s; | 515db_error(const char *s) |
| 526{ 527 if (s) 528 db_printf("%s", s); 529 db_flush_lex(); 530 kdb_reenter(); 531} 532 533static void --- 42 unchanged lines hidden (view full) --- 576 return (0); 577 } 578 *rv = (*f)(args[0], args[1], args[2], args[3], args[4], args[5], 579 args[6], args[7], args[8], args[9]); 580 return (1); 581} 582 583static void | 516{ 517 if (s) 518 db_printf("%s", s); 519 db_flush_lex(); 520 kdb_reenter(); 521} 522 523static void --- 42 unchanged lines hidden (view full) --- 566 return (0); 567 } 568 *rv = (*f)(args[0], args[1], args[2], args[3], args[4], args[5], 569 args[6], args[7], args[8], args[9]); 570 return (1); 571} 572 573static void |
| 584db_fncall(dummy1, dummy2, dummy3, dummy4) 585 db_expr_t dummy1; 586 boolean_t dummy2; 587 db_expr_t dummy3; 588 char * dummy4; | 574db_fncall(db_expr_t dummy1, boolean_t dummy2, db_expr_t dummy3, char *dummy4) |
| 589{ 590 db_expr_t fn_addr; 591 db_expr_t args[DB_MAXARGS]; 592 int nargs = 0; 593 db_expr_t retval; 594 int t; 595 596 if (!db_expression(&fn_addr)) { --- 37 unchanged lines hidden (view full) --- 634static void 635db_halt(db_expr_t dummy, boolean_t dummy2, db_expr_t dummy3, char *dummy4) 636{ 637 638 cpu_halt(); 639} 640 641static void | 575{ 576 db_expr_t fn_addr; 577 db_expr_t args[DB_MAXARGS]; 578 int nargs = 0; 579 db_expr_t retval; 580 int t; 581 582 if (!db_expression(&fn_addr)) { --- 37 unchanged lines hidden (view full) --- 620static void 621db_halt(db_expr_t dummy, boolean_t dummy2, db_expr_t dummy3, char *dummy4) 622{ 623 624 cpu_halt(); 625} 626 627static void |
| 642db_kill(dummy1, dummy2, dummy3, dummy4) 643 db_expr_t dummy1; 644 boolean_t dummy2; 645 db_expr_t dummy3; 646 char * dummy4; | 628db_kill(db_expr_t dummy1, boolean_t dummy2, db_expr_t dummy3, char *dummy4) |
| 647{ 648 db_expr_t old_radix, pid, sig; 649 struct proc *p; 650 | 629{ 630 db_expr_t old_radix, pid, sig; 631 struct proc *p; 632 |
| 651#define DB_ERROR(f) do { db_printf f; db_flush_lex(); goto out; } while (0) | 633#define DB_ERROR(f) do { db_printf f; db_flush_lex(); goto out; } while (0) |
| 652 653 /* 654 * PIDs and signal numbers are typically represented in base 655 * 10, so make that the default here. It can, of course, be 656 * overridden by specifying a prefix. 657 */ 658 old_radix = db_radix; 659 db_radix = 10; --- 67 unchanged lines hidden (view full) --- 727 return; 728 } 729 } 730 731 cpu_reset(); 732} 733 734static void | 634 635 /* 636 * PIDs and signal numbers are typically represented in base 637 * 10, so make that the default here. It can, of course, be 638 * overridden by specifying a prefix. 639 */ 640 old_radix = db_radix; 641 db_radix = 10; --- 67 unchanged lines hidden (view full) --- 709 return; 710 } 711 } 712 713 cpu_reset(); 714} 715 716static void |
| 735db_watchdog(dummy1, dummy2, dummy3, dummy4) 736 db_expr_t dummy1; 737 boolean_t dummy2; 738 db_expr_t dummy3; 739 char * dummy4; | 717db_watchdog(db_expr_t dummy1, boolean_t dummy2, db_expr_t dummy3, char *dummy4) |
| 740{ 741 db_expr_t old_radix, tout; 742 int err, i; 743 744 old_radix = db_radix; 745 db_radix = 10; 746 err = db_expression(&tout); 747 db_skip_to_eol(); --- 125 unchanged lines hidden --- | 718{ 719 db_expr_t old_radix, tout; 720 int err, i; 721 722 old_radix = db_radix; 723 db_radix = 10; 724 err = db_expression(&tout); 725 db_skip_to_eol(); --- 125 unchanged lines hidden --- |