db_command.c revision 1.114.6.4
1 /* $NetBSD: db_command.c,v 1.114.6.4 2008/10/05 20:11:28 mjf Exp $ */ 2 /* 3 * Mach Operating System 4 * Copyright (c) 1991,1990 Carnegie Mellon University 5 * All Rights Reserved. 6 * 7 * Permission to use, copy, modify and distribute this software and its 8 * documentation is hereby granted, provided that both the copyright 9 * notice and this permission notice appear in all copies of the 10 * software, derivative works or modified versions, and any portions 11 * thereof, and that both notices appear in supporting documentation. 12 * 13 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 14 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 15 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 16 * 17 * Carnegie Mellon requests users of this software to return to 18 * 19 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 20 * School of Computer Science 21 * Carnegie Mellon University 22 * Pittsburgh PA 15213-3890 23 * 24 * any improvements or extensions that they make and grant Carnegie the 25 * rights to redistribute these changes. 26 */ 27 /* 28 * Copyright (c) 1996, 1997, 1998, 1999, 2002 The NetBSD Foundation, Inc. 29 * All rights reserved. 30 * 31 * This code is derived from software contributed to The NetBSD Foundation 32 * by Adam Hamsik. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 44 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 45 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 46 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 47 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 48 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 49 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 50 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 51 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 52 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 53 * POSSIBILITY OF SUCH DAMAGE. 54 */ 55 56 /* 57 * Command dispatcher. 58 */ 59 60 #include <sys/cdefs.h> 61 __KERNEL_RCSID(0, "$NetBSD: db_command.c,v 1.114.6.4 2008/10/05 20:11:28 mjf Exp $"); 62 63 #include "opt_ddb.h" 64 #include "opt_kgdb.h" 65 #include "opt_inet.h" 66 #include "opt_uvmhist.h" 67 #include "opt_ddbparam.h" 68 69 #include <sys/param.h> 70 #include <sys/systm.h> 71 #include <sys/reboot.h> 72 #include <sys/device.h> 73 #include <sys/lwp.h> 74 #include <sys/malloc.h> 75 #include <sys/mbuf.h> 76 #include <sys/namei.h> 77 #include <sys/pool.h> 78 #include <sys/proc.h> 79 #include <sys/vnode.h> 80 #include <sys/vmem.h> 81 #include <sys/lockdebug.h> 82 #include <sys/sleepq.h> 83 #include <sys/cpu.h> 84 85 /*include queue macros*/ 86 #include <sys/queue.h> 87 88 #include <machine/db_machdep.h> /* type definitions */ 89 90 #if defined(_KERNEL_OPT) 91 #include "opt_multiprocessor.h" 92 #endif 93 94 #include <ddb/db_lex.h> 95 #include <ddb/db_output.h> 96 #include <ddb/db_command.h> 97 #include <ddb/db_break.h> 98 #include <ddb/db_watch.h> 99 #include <ddb/db_run.h> 100 #include <ddb/db_variables.h> 101 #include <ddb/db_interface.h> 102 #include <ddb/db_sym.h> 103 #include <ddb/db_extern.h> 104 105 #include <uvm/uvm_extern.h> 106 #include <uvm/uvm_ddb.h> 107 108 #include "arp.h" 109 110 /* 111 * Results of command search. 112 */ 113 #define CMD_UNIQUE 0 114 #define CMD_FOUND 1 115 #define CMD_NONE 2 116 #define CMD_AMBIGUOUS 3 117 118 /* 119 * Exported global variables 120 */ 121 bool db_cmd_loop_done; 122 label_t *db_recover; 123 db_addr_t db_dot; 124 db_addr_t db_last_addr; 125 db_addr_t db_prev; 126 db_addr_t db_next; 127 128 129 /* 130 New DDB api for adding and removing commands uses three lists, because 131 we use two types of commands 132 a) standard commands without subcommands -> reboot 133 b) show commands which are subcommands of show command -> show aio_jobs 134 c) if defined machine specific commands 135 136 ddb_add_cmd, ddb_rem_cmd use type (DDB_SHOW_CMD||DDB_BASE_CMD)argument to 137 add them to representativ lists. 138 */ 139 140 static const struct db_command db_command_table[]; 141 static const struct db_command db_show_cmds[]; 142 #ifdef DB_MACHINE_COMMANDS 143 static const struct db_command db_machine_command_table[]; 144 #endif 145 146 /* the global queue of all command tables */ 147 TAILQ_HEAD(db_cmd_tbl_en_head, db_cmd_tbl_en); 148 149 /* TAILQ entry used to register command tables */ 150 struct db_cmd_tbl_en { 151 const struct db_command *db_cmd; /* cmd table */ 152 TAILQ_ENTRY(db_cmd_tbl_en) db_cmd_next; 153 }; 154 155 /* head of base commands list */ 156 static struct db_cmd_tbl_en_head db_base_cmd_list = 157 TAILQ_HEAD_INITIALIZER(db_base_cmd_list); 158 static struct db_cmd_tbl_en db_base_cmd_builtins = 159 { .db_cmd = db_command_table }; 160 161 /* head of show commands list */ 162 static struct db_cmd_tbl_en_head db_show_cmd_list = 163 TAILQ_HEAD_INITIALIZER(db_show_cmd_list); 164 static struct db_cmd_tbl_en db_show_cmd_builtins = 165 { .db_cmd = db_show_cmds }; 166 167 /* head of machine commands list */ 168 static struct db_cmd_tbl_en_head db_mach_cmd_list = 169 TAILQ_HEAD_INITIALIZER(db_mach_cmd_list); 170 #ifdef DB_MACHINE_COMMANDS 171 static struct db_cmd_tbl_en db_mach_cmd_builtins = 172 { .db_cmd = db_machine_command_table }; 173 #endif 174 175 /* 176 * if 'ed' style: 'dot' is set at start of last item printed, 177 * and '+' points to next line. 178 * Otherwise: 'dot' points to next item, '..' points to last. 179 */ 180 static bool db_ed_style = true; 181 182 static void db_init_commands(void); 183 static int db_register_tbl_entry(uint8_t type, 184 struct db_cmd_tbl_en *list_ent); 185 static void db_cmd_list(const struct db_cmd_tbl_en_head *); 186 static int db_cmd_search(const char *, const struct db_command *, 187 const struct db_command **); 188 static void db_command(const struct db_command **); 189 static void db_buf_print_cmd(db_expr_t, bool, db_expr_t, const char *); 190 static void db_event_print_cmd(db_expr_t, bool, db_expr_t, const char *); 191 static void db_fncall(db_expr_t, bool, db_expr_t, const char *); 192 static int db_get_list_type(const char *); 193 static void db_help_print_cmd(db_expr_t, bool, db_expr_t, const char *); 194 static void db_lock_print_cmd(db_expr_t, bool, db_expr_t, const char *); 195 static void db_mount_print_cmd(db_expr_t, bool, db_expr_t, const char *); 196 static void db_mbuf_print_cmd(db_expr_t, bool, db_expr_t, const char *); 197 static void db_malloc_print_cmd(db_expr_t, bool, db_expr_t, const char *); 198 static void db_map_print_cmd(db_expr_t, bool, db_expr_t, const char *); 199 static void db_namecache_print_cmd(db_expr_t, bool, db_expr_t, 200 const char *); 201 static void db_object_print_cmd(db_expr_t, bool, db_expr_t, const char *); 202 static void db_page_print_cmd(db_expr_t, bool, db_expr_t, const char *); 203 static void db_show_all_pages(db_expr_t, bool, db_expr_t, const char *); 204 static void db_pool_print_cmd(db_expr_t, bool, db_expr_t, const char *); 205 static void db_reboot_cmd(db_expr_t, bool, db_expr_t, const char *); 206 static void db_sifting_cmd(db_expr_t, bool, db_expr_t, const char *); 207 static void db_stack_trace_cmd(db_expr_t, bool, db_expr_t, const char *); 208 static void db_sync_cmd(db_expr_t, bool, db_expr_t, const char *); 209 static void db_whatis_cmd(db_expr_t, bool, db_expr_t, const char *); 210 static void db_uvmexp_print_cmd(db_expr_t, bool, db_expr_t, const char *); 211 #ifdef UVMHIST 212 static void db_uvmhist_print_cmd(db_expr_t, bool, db_expr_t, const char *); 213 #endif 214 static void db_vnode_print_cmd(db_expr_t, bool, db_expr_t, const char *); 215 216 static const struct db_command db_show_cmds[] = { 217 /*added from all sub cmds*/ 218 { DDB_ADD_CMD("callout", db_show_callout, 219 0 ,"List all used callout functions.",NULL,NULL) }, 220 { DDB_ADD_CMD("pages", db_show_all_pages, 221 0 ,"List all used memory pages.",NULL,NULL) }, 222 { DDB_ADD_CMD("procs", db_show_all_procs, 223 0 ,"List all processes.",NULL,NULL) }, 224 { DDB_ADD_CMD("pools", db_show_all_pools, 225 0 ,"Show all poolS",NULL,NULL) }, 226 /*added from all sub cmds*/ 227 { DDB_ADD_CMD("aio_jobs", db_show_aio_jobs, 0, 228 "Show aio jobs",NULL,NULL) }, 229 { DDB_ADD_CMD("all", NULL, 230 CS_COMPAT, NULL,NULL,NULL) }, 231 #if defined(INET) && (NARP > 0) 232 { DDB_ADD_CMD("arptab", db_show_arptab, 0,NULL,NULL,NULL) }, 233 #endif 234 { DDB_ADD_CMD("breaks", db_listbreak_cmd, 0, 235 "Display all breaks.",NULL,NULL) }, 236 { DDB_ADD_CMD("buf", db_buf_print_cmd, 0, 237 "Print the struct buf at address.", "[/f] address",NULL) }, 238 { DDB_ADD_CMD("event", db_event_print_cmd, 0, 239 "Print all the non-zero evcnt(9) event counters.", "[/f]",NULL) }, 240 { DDB_ADD_CMD("files", db_show_files_cmd, 0, 241 "Print the files open by process at address", 242 "[/f] address", NULL) }, 243 { DDB_ADD_CMD("lock", db_lock_print_cmd, 0,NULL,NULL,NULL) }, 244 { DDB_ADD_CMD("malloc", db_malloc_print_cmd,0,NULL,NULL,NULL) }, 245 { DDB_ADD_CMD("map", db_map_print_cmd, 0, 246 "Print the vm_map at address.", "[/f] address",NULL) }, 247 { DDB_ADD_CMD("mount", db_mount_print_cmd, 0, 248 "Print the mount structure at address.", "[/f] address",NULL) }, 249 { DDB_ADD_CMD("mqueue", db_show_mqueue_cmd, 0, 250 "Print the message queues", NULL, NULL) }, 251 { DDB_ADD_CMD("mbuf", db_mbuf_print_cmd, 0,NULL,NULL, 252 "-c prints all mbuf chains") }, 253 { DDB_ADD_CMD("ncache", db_namecache_print_cmd, 0, 254 "Dump the namecache list.", "address",NULL) }, 255 { DDB_ADD_CMD("object", db_object_print_cmd, 0, 256 "Print the vm_object at address.", "[/f] address",NULL) }, 257 { DDB_ADD_CMD("page", db_page_print_cmd, 0, 258 "Print the vm_page at address.", "[/f] address",NULL) }, 259 { DDB_ADD_CMD("pool", db_pool_print_cmd, 0, 260 "Print the pool at address.", "[/clp] address",NULL) }, 261 { DDB_ADD_CMD("registers", db_show_regs, 0, 262 "Display the register set.", "[/u]",NULL) }, 263 { DDB_ADD_CMD("sched_qs", db_show_sched_qs, 0, 264 "Print the state of the scheduler's run queues.", 265 NULL,NULL) }, 266 { DDB_ADD_CMD("uvmexp", db_uvmexp_print_cmd, 0, 267 "Print a selection of UVM counters and statistics.", 268 NULL,NULL) }, 269 #ifdef UVMHIST 270 { DDB_ADD_CMD("uvmhist", db_uvmhist_print_cmd, 0, 271 "Print the UVM history logs.", 272 NULL,NULL) }, 273 #endif 274 { DDB_ADD_CMD("vnode", db_vnode_print_cmd, 0, 275 "Print the vnode at address.", "[/f] address",NULL) }, 276 { DDB_ADD_CMD("watches", db_listwatch_cmd, 0, 277 "Display all watchpoints.", NULL,NULL) }, 278 { DDB_ADD_CMD(NULL, NULL, 0,NULL,NULL,NULL) } 279 }; 280 281 /* arch/<arch>/<arch>/db_interface.c */ 282 #ifdef DB_MACHINE_COMMANDS 283 extern const struct db_command db_machine_command_table[]; 284 #endif 285 286 static const struct db_command db_command_table[] = { 287 { DDB_ADD_CMD("b", db_breakpoint_cmd, 0, 288 "Set a breakpoint at address", "[/u] address[,count].",NULL) }, 289 { DDB_ADD_CMD("break", db_breakpoint_cmd, 0, 290 "Set a breakpoint at address", "[/u] address[,count].",NULL) }, 291 { DDB_ADD_CMD("bt", db_stack_trace_cmd, 0, 292 "Show backtrace.", "See help trace.",NULL) }, 293 { DDB_ADD_CMD("c", db_continue_cmd, 0, 294 "Continue execution.", "[/c]",NULL) }, 295 { DDB_ADD_CMD("call", db_fncall, CS_OWN, 296 "Call the function", "address[(expression[,...])]",NULL) }, 297 { DDB_ADD_CMD("callout", db_show_callout, 0, NULL, 298 NULL,NULL ) }, 299 { DDB_ADD_CMD("continue", db_continue_cmd, 0, 300 "Continue execution.", "[/c]",NULL) }, 301 { DDB_ADD_CMD("d", db_delete_cmd, 0, 302 "Delete a breakpoint.", "address | #number",NULL) }, 303 { DDB_ADD_CMD("delete", db_delete_cmd, 0, 304 "Delete a breakpoint.", "address | #number",NULL) }, 305 { DDB_ADD_CMD("dmesg", db_dmesg, 0, 306 "Show kernel message buffer.", "[count]",NULL) }, 307 { DDB_ADD_CMD("dwatch", db_deletewatch_cmd, 0, 308 "Delete the watchpoint.", "address",NULL) }, 309 { DDB_ADD_CMD("examine", db_examine_cmd, CS_SET_DOT, 310 "Display the address locations.", 311 "[/modifier] address[,count]",NULL) }, 312 { DDB_ADD_CMD("help", db_help_print_cmd, CS_OWN|CS_NOREPEAT, 313 "Display help about commands", 314 "Use other commands as arguments.",NULL) }, 315 { DDB_ADD_CMD("kill", db_kill_proc, CS_OWN, 316 "Send a signal to the process","pid[,signal_number]", 317 " pid:\t\t\tthe process id (may need 0t prefix for decimal)\n" 318 " signal_number:\tthe signal to send") }, 319 #ifdef KGDB 320 { DDB_ADD_CMD("kgdb", db_kgdb_cmd, 0, NULL,NULL,NULL) }, 321 #endif 322 { DDB_ADD_CMD("machine",NULL,CS_MACH, 323 "Architecture specific functions.",NULL,NULL) }, 324 { DDB_ADD_CMD("match", db_trace_until_matching_cmd,0, 325 "Stop at the matching return instruction.","See help next",NULL) }, 326 { DDB_ADD_CMD("next", db_trace_until_matching_cmd,0, 327 "Stop at the matching return instruction.","[/p]",NULL) }, 328 { DDB_ADD_CMD("p", db_print_cmd, 0, 329 "Print address according to the format.", 330 "[/axzodurc] address [address ...]",NULL) }, 331 { DDB_ADD_CMD("print", db_print_cmd, 0, 332 "Print address according to the format.", 333 "[/axzodurc] address [address ...]",NULL) }, 334 { DDB_ADD_CMD("ps", db_show_all_procs, 0, 335 "Print all processes.","See show all procs",NULL) }, 336 { DDB_ADD_CMD("reboot", db_reboot_cmd, CS_OWN, 337 "Reboot","0x1 RB_ASKNAME, 0x2 RB_SINGLE, 0x4 RB_NOSYNC, 0x8 RB_HALT," 338 "0x40 RB_KDB, 0x100 RB_DUMP, 0x808 RB_POWERDOWN",NULL) }, 339 { DDB_ADD_CMD("s", db_single_step_cmd, 0, 340 "Single-step count times.","[/p] [,count]",NULL) }, 341 { DDB_ADD_CMD("search", db_search_cmd, CS_OWN|CS_SET_DOT, 342 "Search memory from address for value.", 343 "[/bhl] address value [mask] [,count]",NULL) }, 344 { DDB_ADD_CMD("set", db_set_cmd, CS_OWN, 345 "Set the named variable","$variable [=] expression",NULL) }, 346 { DDB_ADD_CMD("show", NULL, CS_SHOW, 347 "Show kernel stats.", NULL,NULL) }, 348 { DDB_ADD_CMD("sifting", db_sifting_cmd, CS_OWN, 349 "Search the symbol tables ","[/F] string",NULL) }, 350 { DDB_ADD_CMD("step", db_single_step_cmd, 0, 351 "Single-step count times.","[/p] [,count]",NULL) }, 352 { DDB_ADD_CMD("sync", db_sync_cmd, CS_OWN, 353 "Force a crash dump, and then reboot.",NULL,NULL) }, 354 { DDB_ADD_CMD("trace", db_stack_trace_cmd, 0, 355 "Stack trace from frame-address.", 356 "[/u[l]] [frame-address][,count]",NULL) }, 357 { DDB_ADD_CMD("until", db_trace_until_call_cmd,0, 358 "Stop at the next call or return instruction.","[/p]",NULL) }, 359 { DDB_ADD_CMD("w", db_write_cmd, CS_MORE|CS_SET_DOT, 360 "Write the expressions at succeeding locations.", 361 "[/bhl] address expression [expression ...]",NULL) }, 362 { DDB_ADD_CMD("watch", db_watchpoint_cmd, CS_MORE, 363 "Set a watchpoint for a region. ","address[,size]",NULL) }, 364 { DDB_ADD_CMD("whatis", db_whatis_cmd, 0, 365 "Describe what an address is", "address", NULL) }, 366 { DDB_ADD_CMD("write", db_write_cmd, CS_MORE|CS_SET_DOT, 367 "Write the expressions at succeeding locations.", 368 "[/bhl] address expression [expression ...]",NULL) }, 369 { DDB_ADD_CMD("x", db_examine_cmd, CS_SET_DOT, 370 "Display the address locations.", 371 "[/modifier] address[,count]",NULL) }, 372 { DDB_ADD_CMD(NULL, NULL, 0, NULL, NULL, NULL) } 373 }; 374 375 static const struct db_command *db_last_command = NULL; 376 #if defined(DDB_COMMANDONENTER) 377 char db_cmd_on_enter[DB_LINE_MAXLEN + 1] = ___STRING(DDB_COMMANDONENTER); 378 #else /* defined(DDB_COMMANDONENTER) */ 379 char db_cmd_on_enter[DB_LINE_MAXLEN + 1] = ""; 380 #endif /* defined(DDB_COMMANDONENTER) */ 381 #define DB_LINE_SEP ';' 382 383 /* 384 * Utility routine - discard tokens through end-of-line. 385 */ 386 void 387 db_skip_to_eol(void) 388 { 389 int t; 390 391 do { 392 t = db_read_token(); 393 } while (t != tEOL); 394 } 395 396 void 397 db_error(const char *s) 398 { 399 400 if (s) 401 db_printf("%s", s); 402 db_flush_lex(); 403 longjmp(db_recover); 404 } 405 406 /*Execute commandlist after ddb start 407 *This function goes through the command list created from commands and ';' 408 */ 409 410 static void 411 db_execute_commandlist(const char *cmdlist) 412 { 413 const char *cmd = cmdlist; 414 const struct db_command *dummy = NULL; 415 416 while (*cmd != '\0') { 417 const char *ep = cmd; 418 419 while (*ep != '\0' && *ep != DB_LINE_SEP) { 420 ep++; 421 } 422 db_set_line(cmd, ep); 423 db_command(&dummy); 424 cmd = ep; 425 if (*cmd == DB_LINE_SEP) { 426 cmd++; 427 } 428 } 429 } 430 431 /*Initialize ddb command tables*/ 432 void 433 db_init_commands(void) 434 { 435 static bool done = false; 436 437 if (done) return; 438 done = true; 439 440 /* register command tables */ 441 (void)db_register_tbl_entry(DDB_BASE_CMD, &db_base_cmd_builtins); 442 #ifdef DB_MACHINE_COMMANDS 443 (void)db_register_tbl_entry(DDB_MACH_CMD, &db_mach_cmd_builtins); 444 #endif 445 (void)db_register_tbl_entry(DDB_SHOW_CMD, &db_show_cmd_builtins); 446 } 447 448 449 /* 450 * Add command table to the specified list 451 * Arg: 452 * int type specifies type of command table DDB_SHOW_CMD|DDB_BASE_CMD|DDB_MAC_CMD 453 * *cmd_tbl poiter to static allocated db_command table 454 * 455 *Command table must be NULL terminated array of struct db_command 456 */ 457 int 458 db_register_tbl(uint8_t type, const struct db_command *cmd_tbl) 459 { 460 struct db_cmd_tbl_en *list_ent; 461 462 if (cmd_tbl->name == 0) 463 /* empty list - ignore */ 464 return 0; 465 466 /* force builtin commands to be registered first */ 467 db_init_commands(); 468 469 /* now create a list entry for this table */ 470 list_ent = malloc(sizeof(struct db_cmd_tbl_en), M_TEMP, M_ZERO); 471 if (list_ent == NULL) 472 return ENOMEM; 473 list_ent->db_cmd=cmd_tbl; 474 475 /* and register it */ 476 return db_register_tbl_entry(type, list_ent); 477 } 478 479 static int 480 db_register_tbl_entry(uint8_t type, struct db_cmd_tbl_en *list_ent) 481 { 482 struct db_cmd_tbl_en_head *list; 483 484 switch(type) { 485 case DDB_BASE_CMD: 486 list = &db_base_cmd_list; 487 break; 488 case DDB_SHOW_CMD: 489 list = &db_show_cmd_list; 490 break; 491 case DDB_MACH_CMD: 492 list = &db_mach_cmd_list; 493 break; 494 default: 495 return ENOENT; 496 } 497 498 TAILQ_INSERT_TAIL(list, list_ent, db_cmd_next); 499 500 return 0; 501 } 502 503 /* 504 * Remove command table specified with db_cmd address == cmd_tbl 505 */ 506 int 507 db_unregister_tbl(uint8_t type,const struct db_command *cmd_tbl) 508 { 509 struct db_cmd_tbl_en *list_ent; 510 struct db_cmd_tbl_en_head *list; 511 512 /* find list on which the entry should live */ 513 switch (type) { 514 case DDB_BASE_CMD: 515 list=&db_base_cmd_list; 516 break; 517 case DDB_SHOW_CMD: 518 list=&db_show_cmd_list; 519 break; 520 case DDB_MACH_CMD: 521 list=&db_mach_cmd_list; 522 break; 523 default: 524 return EINVAL; 525 } 526 527 TAILQ_FOREACH (list_ent,list,db_cmd_next) { 528 if (list_ent->db_cmd == cmd_tbl){ 529 TAILQ_REMOVE(list, 530 list_ent,db_cmd_next); 531 free(list_ent,M_TEMP); 532 return 0; 533 } 534 } 535 return ENOENT; 536 } 537 538 /*This function is called from machine trap code.*/ 539 void 540 db_command_loop(void) 541 { 542 543 label_t db_jmpbuf; 544 label_t *savejmp; 545 546 /* 547 * Initialize 'prev' and 'next' to dot. 548 */ 549 db_prev = db_dot; 550 db_next = db_dot; 551 552 db_cmd_loop_done = false; 553 554 /*Init default command tables add machine, base, 555 show command tables to the list*/ 556 db_init_commands(); 557 558 /*save context for return from ddb*/ 559 savejmp = db_recover; 560 db_recover = &db_jmpbuf; 561 (void) setjmp(&db_jmpbuf); 562 563 /*Execute default ddb start commands*/ 564 db_execute_commandlist(db_cmd_on_enter); 565 566 (void) setjmp(&db_jmpbuf); 567 while (!db_cmd_loop_done) { 568 if (db_print_position() != 0) 569 db_printf("\n"); 570 db_output_line = 0; 571 572 573 #ifdef MULTIPROCESSOR 574 db_printf("db{%ld}> ", (long)cpu_number()); 575 #else 576 db_printf("db> "); 577 #endif 578 (void) db_read_line(); 579 580 db_command(&db_last_command); 581 } 582 583 db_recover = savejmp; 584 } 585 586 /* 587 * Search for command table for command prefix 588 * ret: CMD_UNIQUE -> completely matches command 589 * CMD_FOUND -> matches prefix of single command 590 * CMD_AMBIGIOUS -> matches prefix of more than one command 591 * CMD_NONE -> command not found 592 */ 593 static int 594 db_cmd_search(const char *name,const struct db_command *table, 595 const struct db_command **cmdp) 596 { 597 598 const struct db_command *cmd; 599 int result; 600 601 result = CMD_NONE; 602 *cmdp = NULL; 603 for (cmd = table; cmd->name != 0; cmd++) { 604 const char *lp; 605 const char *rp; 606 607 lp = name; 608 rp = cmd->name; 609 while (*lp != '\0' && *lp == *rp) { 610 rp++; 611 lp++; 612 } 613 614 if (*lp != '\0') /* mismatch or extra chars in name */ 615 continue; 616 617 if (*rp == '\0') { /* complete match */ 618 *cmdp = cmd; 619 return (CMD_UNIQUE); 620 } 621 622 /* prefix match: end of name, not end of command */ 623 if (result == CMD_NONE) { 624 result = CMD_FOUND; 625 *cmdp = cmd; 626 } 627 else if (result == CMD_FOUND) { 628 result = CMD_AMBIGUOUS; 629 *cmdp = NULL; 630 } 631 } 632 633 return (result); 634 } 635 636 /* 637 *List commands to the console. 638 */ 639 static void 640 db_cmd_list(const struct db_cmd_tbl_en_head *list) 641 { 642 643 struct db_cmd_tbl_en *list_ent; 644 const struct db_command *table; 645 size_t i, j, w, columns, lines, numcmds, width=0; 646 const char *p; 647 648 TAILQ_FOREACH(list_ent,list,db_cmd_next) { 649 table = list_ent->db_cmd; 650 for (i = 0; table[i].name != NULL; i++) { 651 w = strlen(table[i].name); 652 if (w > width) 653 width = w; 654 } 655 } 656 657 width = DB_NEXT_TAB(width); 658 659 columns = db_max_width / width; 660 if (columns == 0) 661 columns = 1; 662 663 TAILQ_FOREACH(list_ent,list,db_cmd_next) { 664 table = list_ent->db_cmd; 665 666 for (numcmds = 0; table[numcmds].name != NULL; numcmds++) 667 ; 668 lines = (numcmds + columns - 1) / columns; 669 670 for (i = 0; i < lines; i++) { 671 for (j = 0; j < columns; j++) { 672 p = table[j * lines + i].name; 673 if (p) 674 db_printf("%s", p); 675 if (j * lines + i + lines >= numcmds) { 676 db_putchar('\n'); 677 break; 678 } 679 if (p) { 680 w = strlen(p); 681 while (w < width) { 682 w = DB_NEXT_TAB(w); 683 db_putchar('\t'); 684 } 685 } 686 } 687 } 688 } 689 return; 690 } 691 692 /* 693 *Returns type of list for command with name *name. 694 */ 695 static int 696 db_get_list_type(const char *name) 697 { 698 699 const struct db_command *cmd; 700 struct db_cmd_tbl_en *list_ent; 701 int error,ret=-1; 702 703 /* search for the command name */ 704 TAILQ_FOREACH(list_ent,&db_base_cmd_list,db_cmd_next) { 705 /* 706 * cmd_search returns CMD_UNIQUE, CMD_FOUND ... 707 * CMD_UNIQUE when name was completly matched to cmd->name 708 * CMD_FOUND when name was only partially matched to cmd->name 709 * CMD_NONE command not found in a list 710 * CMD_AMBIGIOUS ->more partialy matches 711 */ 712 713 error = db_cmd_search(name, list_ent->db_cmd, &cmd); 714 715 if (error == CMD_UNIQUE) { 716 /* exact match found */ 717 if (cmd->flag == CS_SHOW) { 718 ret = DDB_SHOW_CMD; 719 break; 720 } 721 if (cmd->flag == CS_MACH) { 722 ret = DDB_MACH_CMD; 723 break; 724 } else { 725 ret = DDB_BASE_CMD; 726 break; 727 } 728 729 } else if (error == CMD_FOUND) { 730 /* 731 * partial match, search will continue, but 732 * note current result in case we won't 733 * find anything better. 734 */ 735 if (cmd->flag == CS_SHOW) 736 ret = DDB_SHOW_CMD; 737 else if (cmd->flag == CS_MACH) 738 ret = DDB_MACH_CMD; 739 else 740 ret = DDB_BASE_CMD; 741 } 742 } 743 744 return ret; 745 } 746 747 /* 748 *Parse command line and execute apropriate function. 749 */ 750 static void 751 db_command(const struct db_command **last_cmdp) 752 { 753 const struct db_command *command; 754 struct db_cmd_tbl_en *list_ent; 755 struct db_cmd_tbl_en_head *list; 756 757 int t; 758 int result; 759 760 char modif[TOK_STRING_SIZE]; 761 db_expr_t addr, count; 762 bool have_addr = false; 763 764 static db_expr_t last_count = 0; 765 766 command = NULL; /* XXX gcc */ 767 768 t = db_read_token(); 769 if ((t == tEOL) || (t == tCOMMA)) { 770 /* 771 * An empty line repeats last command, at 'next'. 772 * Only a count repeats the last command with the new count. 773 */ 774 command = *last_cmdp; 775 776 if (!command) 777 return; 778 779 addr = (db_expr_t)db_next; 780 if (t == tCOMMA) { 781 if (!db_expression(&count)) { 782 db_printf("Count missing\n"); 783 db_flush_lex(); 784 return; 785 } 786 } else 787 count = last_count; 788 have_addr = false; 789 modif[0] = '\0'; 790 db_skip_to_eol(); 791 792 } else if (t == tEXCL) { 793 db_fncall(0, 0, 0, NULL); 794 return; 795 796 } else if (t != tIDENT) { 797 db_printf("?\n"); 798 db_flush_lex(); 799 return; 800 801 } else { 802 803 switch(db_get_list_type(db_tok_string)) { 804 805 case DDB_BASE_CMD: 806 list = &db_base_cmd_list; 807 break; 808 809 case DDB_SHOW_CMD: 810 list = &db_show_cmd_list; 811 /* need to read show subcommand if show command list 812 is used. */ 813 t = db_read_token(); 814 815 if (t != tIDENT) { 816 /* if only show command is executed, print 817 all subcommands */ 818 db_cmd_list(list); 819 db_flush_lex(); 820 return; 821 } 822 break; 823 case DDB_MACH_CMD: 824 list = &db_mach_cmd_list; 825 /* need to read machine subcommand if 826 machine level 2 command list is used. */ 827 t = db_read_token(); 828 829 if (t != tIDENT) { 830 /* if only show command is executed, print 831 all subcommands */ 832 db_cmd_list(list); 833 db_flush_lex(); 834 return; 835 } 836 break; 837 default: 838 db_printf("No such command\n"); 839 db_flush_lex(); 840 return; 841 } 842 843 COMPAT_RET: 844 TAILQ_FOREACH(list_ent, list, db_cmd_next) { 845 result = db_cmd_search(db_tok_string, list_ent->db_cmd, 846 &command); 847 848 /* after CMD_UNIQUE in cmd_list only a single command 849 name is possible */ 850 if (result == CMD_UNIQUE) 851 break; 852 853 } 854 855 /* check compatibility flag */ 856 if (command && command->flag & CS_COMPAT){ 857 t = db_read_token(); 858 if (t != tIDENT) { 859 db_cmd_list(list); 860 db_flush_lex(); 861 return; 862 } 863 864 /* support only level 2 commands here */ 865 goto COMPAT_RET; 866 } 867 868 if (!command) { 869 db_printf("No such command\n"); 870 db_flush_lex(); 871 return; 872 } 873 874 if ((command->flag & CS_OWN) == 0) { 875 876 /* 877 * Standard syntax: 878 * command [/modifier] [addr] [,count] 879 */ 880 t = db_read_token(); /* get modifier */ 881 if (t == tSLASH) { 882 t = db_read_token(); 883 if (t != tIDENT) { 884 db_printf("Bad modifier\n"); 885 db_flush_lex(); 886 return; 887 } 888 /* save modifier */ 889 strlcpy(modif, db_tok_string, sizeof(modif)); 890 891 } else { 892 db_unread_token(t); 893 modif[0] = '\0'; 894 } 895 896 if (db_expression(&addr)) { /*get address*/ 897 db_dot = (db_addr_t) addr; 898 db_last_addr = db_dot; 899 have_addr = true; 900 } else { 901 addr = (db_expr_t) db_dot; 902 have_addr = false; 903 } 904 905 t = db_read_token(); 906 if (t == tCOMMA) { /*Get count*/ 907 if (!db_expression(&count)) { 908 db_printf("Count missing\n"); 909 db_flush_lex(); 910 return; 911 } 912 } else { 913 db_unread_token(t); 914 count = -1; 915 } 916 if ((command->flag & CS_MORE) == 0) { 917 db_skip_to_eol(); 918 } 919 } 920 } 921 922 if (command->flag & CS_NOREPEAT) { 923 *last_cmdp = NULL; 924 last_count = 0; 925 } else { 926 *last_cmdp = command; 927 last_count = count; 928 } 929 930 if (command != NULL) { 931 /* 932 * Execute the command. 933 */ 934 if (command->fcn != NULL) 935 (*command->fcn)(addr, have_addr, count, modif); 936 937 if (command->flag & CS_SET_DOT) { 938 /* 939 * If command changes dot, set dot to 940 * previous address displayed (if 'ed' style). 941 */ 942 if (db_ed_style) 943 db_dot = db_prev; 944 else 945 db_dot = db_next; 946 } else { 947 /* 948 * If command does not change dot, 949 * set 'next' location to be the same. 950 */ 951 db_next = db_dot; 952 } 953 } 954 } 955 956 /* 957 * Print help for commands 958 */ 959 static void 960 db_help_print_cmd(db_expr_t addr, bool have_addr, db_expr_t count, 961 const char *modif) 962 { 963 964 const struct db_cmd_tbl_en_head *list; 965 const struct db_cmd_tbl_en *list_ent; 966 const struct db_command *help = NULL; 967 int t, result; 968 969 t = db_read_token(); 970 /* is there another command after the "help"? */ 971 if (t == tIDENT){ 972 973 switch(db_get_list_type(db_tok_string)) { 974 975 case DDB_BASE_CMD: 976 list=&db_base_cmd_list; 977 break; 978 case DDB_SHOW_CMD: 979 list=&db_show_cmd_list; 980 /* read the show subcommand */ 981 t = db_read_token(); 982 983 if (t != tIDENT) { 984 /* no subcommand, print the list */ 985 db_cmd_list(list); 986 db_flush_lex(); 987 return; 988 } 989 990 break; 991 case DDB_MACH_CMD: 992 list=&db_mach_cmd_list; 993 /* read machine subcommand */ 994 t = db_read_token(); 995 996 if (t != tIDENT) { 997 /* no subcommand - just print the list */ 998 db_cmd_list(list); 999 db_flush_lex(); 1000 return; 1001 } 1002 break; 1003 1004 default: 1005 db_printf("No such command\n"); 1006 db_flush_lex(); 1007 return; 1008 } 1009 COMPAT_RET: 1010 TAILQ_FOREACH(list_ent,list,db_cmd_next){ 1011 result = db_cmd_search(db_tok_string, list_ent->db_cmd, 1012 &help); 1013 /* after CMD_UNIQUE only a single command 1014 name is possible */ 1015 if (result == CMD_UNIQUE) 1016 break; 1017 } 1018 #ifdef DDB_VERBOSE_HELP 1019 /*print help*/ 1020 1021 db_printf("Command: %s\n",help->name); 1022 1023 if (help->cmd_descr != NULL) 1024 db_printf(" Description: %s\n",help->cmd_descr); 1025 1026 if (help->cmd_arg != NULL) 1027 db_printf(" Arguments: %s\n",help->cmd_arg); 1028 1029 if (help->cmd_arg_help != NULL) 1030 db_printf(" Arguments description:\n%s\n", 1031 help->cmd_arg_help); 1032 1033 if ((help->cmd_arg == NULL) && (help->cmd_descr == NULL)) 1034 db_printf("%s Doesn't have any help message included.\n", 1035 help->name); 1036 #endif 1037 /* check compatibility flag */ 1038 /* 1039 * The "show all" command table has been merged with the 1040 * "show" command table - but we want to keep the old UI 1041 * available. So if we find a CS_COMPAT entry, we read 1042 * the next token and try again. 1043 */ 1044 if (help->flag == CS_COMPAT){ 1045 t = db_read_token(); 1046 1047 if (t != tIDENT){ 1048 db_cmd_list(list); 1049 db_flush_lex(); 1050 return; 1051 } 1052 1053 goto COMPAT_RET; 1054 /* support only level 2 commands here */ 1055 } else { 1056 db_skip_to_eol(); 1057 } 1058 1059 } else /* t != tIDENT */ 1060 /* print base commands */ 1061 db_cmd_list(&db_base_cmd_list); 1062 1063 return; 1064 } 1065 1066 /*ARGSUSED*/ 1067 static void 1068 db_map_print_cmd(db_expr_t addr, bool have_addr, db_expr_t count, 1069 const char *modif) 1070 { 1071 bool full = false; 1072 1073 if (modif[0] == 'f') 1074 full = true; 1075 1076 if (have_addr == false) 1077 addr = (db_expr_t)(uintptr_t) kernel_map; 1078 1079 uvm_map_printit((struct vm_map *)(uintptr_t) addr, full, db_printf); 1080 } 1081 1082 /*ARGSUSED*/ 1083 static void 1084 db_malloc_print_cmd(db_expr_t addr, bool have_addr, 1085 db_expr_t count, const char *modif) 1086 { 1087 1088 #ifdef MALLOC_DEBUG 1089 if (!have_addr) 1090 addr = 0; 1091 1092 debug_malloc_printit(db_printf, (vaddr_t) addr); 1093 #else 1094 db_printf("The kernel is not built with the MALLOC_DEBUG option.\n"); 1095 #endif /* MALLOC_DEBUG */ 1096 } 1097 1098 /*ARGSUSED*/ 1099 static void 1100 db_object_print_cmd(db_expr_t addr, bool have_addr, 1101 db_expr_t count, const char *modif) 1102 { 1103 bool full = false; 1104 1105 if (modif[0] == 'f') 1106 full = true; 1107 1108 uvm_object_printit((struct uvm_object *)(uintptr_t) addr, full, 1109 db_printf); 1110 } 1111 1112 /*ARGSUSED*/ 1113 static void 1114 db_page_print_cmd(db_expr_t addr, bool have_addr, 1115 db_expr_t count, const char *modif) 1116 { 1117 bool full = false; 1118 1119 if (modif[0] == 'f') 1120 full = true; 1121 1122 uvm_page_printit((struct vm_page *)(uintptr_t) addr, full, db_printf); 1123 } 1124 1125 /*ARGSUSED*/ 1126 static void 1127 db_show_all_pages(db_expr_t addr, bool have_addr, 1128 db_expr_t count, const char *modif) 1129 { 1130 1131 uvm_page_printall(db_printf); 1132 } 1133 1134 /*ARGSUSED*/ 1135 static void 1136 db_buf_print_cmd(db_expr_t addr, bool have_addr, 1137 db_expr_t count, const char *modif) 1138 { 1139 bool full = false; 1140 1141 if (modif[0] == 'f') 1142 full = true; 1143 1144 vfs_buf_print((struct buf *)(uintptr_t) addr, full, db_printf); 1145 } 1146 1147 /*ARGSUSED*/ 1148 static void 1149 db_event_print_cmd(db_expr_t addr, bool have_addr, 1150 db_expr_t count, const char *modif) 1151 { 1152 bool full = false; 1153 1154 if (modif[0] == 'f') 1155 full = true; 1156 1157 event_print(full, db_printf); 1158 } 1159 1160 /*ARGSUSED*/ 1161 static void 1162 db_vnode_print_cmd(db_expr_t addr, bool have_addr, 1163 db_expr_t count, const char *modif) 1164 { 1165 bool full = false; 1166 1167 if (modif[0] == 'f') 1168 full = true; 1169 1170 vfs_vnode_print((struct vnode *)(uintptr_t) addr, full, db_printf); 1171 } 1172 1173 static void 1174 db_mount_print_cmd(db_expr_t addr, bool have_addr, 1175 db_expr_t count, const char *modif) 1176 { 1177 bool full = false; 1178 1179 if (modif[0] == 'f') 1180 full = true; 1181 1182 vfs_mount_print((struct mount *)(uintptr_t) addr, full, db_printf); 1183 } 1184 1185 /*ARGSUSED*/ 1186 static void 1187 db_mbuf_print_cmd(db_expr_t addr, bool have_addr, 1188 db_expr_t count, const char *modif) 1189 { 1190 1191 m_print((const struct mbuf *)(uintptr_t) addr, modif, db_printf); 1192 } 1193 1194 /*ARGSUSED*/ 1195 static void 1196 db_pool_print_cmd(db_expr_t addr, bool have_addr, 1197 db_expr_t count, const char *modif) 1198 { 1199 1200 pool_printit((struct pool *)(uintptr_t) addr, modif, db_printf); 1201 } 1202 1203 /*ARGSUSED*/ 1204 static void 1205 db_namecache_print_cmd(db_expr_t addr, bool have_addr, 1206 db_expr_t count, const char *modif) 1207 { 1208 1209 namecache_print((struct vnode *)(uintptr_t) addr, db_printf); 1210 } 1211 1212 /*ARGSUSED*/ 1213 static void 1214 db_uvmexp_print_cmd(db_expr_t addr, bool have_addr, 1215 db_expr_t count, const char *modif) 1216 { 1217 1218 uvmexp_print(db_printf); 1219 } 1220 1221 #ifdef UVMHIST 1222 /*ARGSUSED*/ 1223 static void 1224 db_uvmhist_print_cmd(db_expr_t addr, bool have_addr, 1225 db_expr_t count, const char *modif) 1226 { 1227 1228 uvmhist_print(db_printf); 1229 } 1230 #endif 1231 1232 /*ARGSUSED*/ 1233 static void 1234 db_lock_print_cmd(db_expr_t addr, bool have_addr, 1235 db_expr_t count, const char *modif) 1236 { 1237 1238 lockdebug_lock_print((void *)addr, db_printf); 1239 } 1240 1241 /* 1242 * Call random function: 1243 * !expr(arg,arg,arg) 1244 */ 1245 /*ARGSUSED*/ 1246 static void 1247 db_fncall(db_expr_t addr, bool have_addr, 1248 db_expr_t count, const char *modif) 1249 { 1250 db_expr_t fn_addr; 1251 #define MAXARGS 11 1252 db_expr_t args[MAXARGS]; 1253 int nargs = 0; 1254 db_expr_t retval; 1255 db_expr_t (*func)(db_expr_t, ...); 1256 int t; 1257 1258 if (!db_expression(&fn_addr)) { 1259 db_printf("Bad function\n"); 1260 db_flush_lex(); 1261 return; 1262 } 1263 func = (db_expr_t (*)(db_expr_t, ...))(uintptr_t) fn_addr; 1264 1265 t = db_read_token(); 1266 if (t == tLPAREN) { 1267 if (db_expression(&args[0])) { 1268 nargs++; 1269 while ((t = db_read_token()) == tCOMMA) { 1270 if (nargs == MAXARGS) { 1271 db_printf("Too many arguments\n"); 1272 db_flush_lex(); 1273 return; 1274 } 1275 if (!db_expression(&args[nargs])) { 1276 db_printf("Argument missing\n"); 1277 db_flush_lex(); 1278 return; 1279 } 1280 nargs++; 1281 } 1282 db_unread_token(t); 1283 } 1284 if (db_read_token() != tRPAREN) { 1285 db_printf("?\n"); 1286 db_flush_lex(); 1287 return; 1288 } 1289 } 1290 db_skip_to_eol(); 1291 1292 while (nargs < MAXARGS) { 1293 args[nargs++] = 0; 1294 } 1295 1296 retval = (*func)(args[0], args[1], args[2], args[3], args[4], 1297 args[5], args[6], args[7], args[8], args[9]); 1298 db_printf("%s\n", db_num_to_str(retval)); 1299 } 1300 1301 static void 1302 db_reboot_cmd(db_expr_t addr, bool have_addr, 1303 db_expr_t count, const char *modif) 1304 { 1305 db_expr_t bootflags; 1306 1307 /* Flags, default to RB_AUTOBOOT */ 1308 if (!db_expression(&bootflags)) 1309 bootflags = (db_expr_t)RB_AUTOBOOT; 1310 if (db_read_token() != tEOL) { 1311 db_error("?\n"); 1312 /*NOTREACHED*/ 1313 } 1314 /* 1315 * We are leaving DDB, never to return upward. 1316 * Clear db_recover so that we can debug faults in functions 1317 * called from cpu_reboot. 1318 */ 1319 db_recover = 0; 1320 cpu_reboot((int)bootflags, NULL); 1321 } 1322 1323 static void 1324 db_sifting_cmd(db_expr_t addr, bool have_addr, 1325 db_expr_t count, const char *modif) 1326 { 1327 int mode, t; 1328 1329 t = db_read_token(); 1330 if (t == tSLASH) { 1331 t = db_read_token(); 1332 if (t != tIDENT) { 1333 bad_modifier: 1334 db_printf("Bad modifier\n"); 1335 db_flush_lex(); 1336 return; 1337 } 1338 if (!strcmp(db_tok_string, "F")) 1339 mode = 'F'; 1340 else 1341 goto bad_modifier; 1342 t = db_read_token(); 1343 } else 1344 mode = 0; 1345 1346 if (t == tIDENT) 1347 db_sifting(db_tok_string, mode); 1348 else { 1349 db_printf("Bad argument (non-string)\n"); 1350 db_flush_lex(); 1351 } 1352 } 1353 1354 static void 1355 db_stack_trace_cmd(db_expr_t addr, bool have_addr, db_expr_t count, const char *modif) 1356 { 1357 register const char *cp = modif; 1358 register char c; 1359 void (*pr)(const char *, ...); 1360 1361 pr = db_printf; 1362 while ((c = *cp++) != 0) 1363 if (c == 'l') 1364 pr = printf; 1365 1366 if (count == -1) 1367 count = 65535; 1368 1369 db_stack_trace_print(addr, have_addr, count, modif, pr); 1370 } 1371 1372 static void 1373 db_sync_cmd(db_expr_t addr, bool have_addr, 1374 db_expr_t count, const char *modif) 1375 { 1376 1377 /* 1378 * We are leaving DDB, never to return upward. 1379 * Clear db_recover so that we can debug faults in functions 1380 * called from cpu_reboot. 1381 */ 1382 db_recover = 0; 1383 panicstr = "dump forced via kernel debugger"; 1384 cpu_reboot(RB_DUMP, NULL); 1385 } 1386 1387 /* 1388 * Describe what an address is 1389 */ 1390 void 1391 db_whatis_cmd(db_expr_t address, bool have_addr, 1392 db_expr_t count, const char *modif) 1393 { 1394 const uintptr_t addr = (uintptr_t)address; 1395 1396 lwp_whatis(addr, db_printf); 1397 pool_whatis(addr, db_printf); 1398 vmem_whatis(addr, db_printf); 1399 uvm_whatis(addr, db_printf); 1400 } 1401
Indexes created Tue Sep 30 20:09:53 GMT 2025