db_command.c revision 1.118
1 /* $NetBSD: db_command.c,v 1.118 2008/08/08 17:09:28 skrll 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 1.118 2008/08/08 17:09:28 skrll 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("mbuf", db_mbuf_print_cmd, 0,NULL,NULL, 250 "-c prints all mbuf chains") }, 251 { DDB_ADD_CMD("ncache", db_namecache_print_cmd, 0, 252 "Dump the namecache list.", "address",NULL) }, 253 { DDB_ADD_CMD("object", db_object_print_cmd, 0, 254 "Print the vm_object at address.", "[/f] address",NULL) }, 255 { DDB_ADD_CMD("page", db_page_print_cmd, 0, 256 "Print the vm_page at address.", "[/f] address",NULL) }, 257 { DDB_ADD_CMD("pool", db_pool_print_cmd, 0, 258 "Print the pool at address.", "[/clp] address",NULL) }, 259 { DDB_ADD_CMD("registers", db_show_regs, 0, 260 "Display the register set.", "[/u]",NULL) }, 261 { DDB_ADD_CMD("sched_qs", db_show_sched_qs, 0, 262 "Print the state of the scheduler's run queues.", 263 NULL,NULL) }, 264 { DDB_ADD_CMD("uvmexp", db_uvmexp_print_cmd, 0, 265 "Print a selection of UVM counters and statistics.", 266 NULL,NULL) }, 267 #ifdef UVMHIST 268 { DDB_ADD_CMD("uvmhist", db_uvmhist_print_cmd, 0, 269 "Print the UVM history logs.", 270 NULL,NULL) }, 271 #endif 272 { DDB_ADD_CMD("vnode", db_vnode_print_cmd, 0, 273 "Print the vnode at address.", "[/f] address",NULL) }, 274 { DDB_ADD_CMD("watches", db_listwatch_cmd, 0, 275 "Display all watchpoints.", NULL,NULL) }, 276 { DDB_ADD_CMD(NULL, NULL, 0,NULL,NULL,NULL) } 277 }; 278 279 /* arch/<arch>/<arch>/db_interface.c */ 280 #ifdef DB_MACHINE_COMMANDS 281 extern const struct db_command db_machine_command_table[]; 282 #endif 283 284 static const struct db_command db_command_table[] = { 285 { DDB_ADD_CMD("b", db_breakpoint_cmd, 0, 286 "Set a breakpoint at address", "[/u] address[,count].",NULL) }, 287 { DDB_ADD_CMD("break", db_breakpoint_cmd, 0, 288 "Set a breakpoint at address", "[/u] address[,count].",NULL) }, 289 { DDB_ADD_CMD("bt", db_stack_trace_cmd, 0, 290 "Show backtrace.", "See help trace.",NULL) }, 291 { DDB_ADD_CMD("c", db_continue_cmd, 0, 292 "Continue execution.", "[/c]",NULL) }, 293 { DDB_ADD_CMD("call", db_fncall, CS_OWN, 294 "Call the function", "address[(expression[,...])]",NULL) }, 295 { DDB_ADD_CMD("callout", db_show_callout, 0, NULL, 296 NULL,NULL ) }, 297 { DDB_ADD_CMD("continue", db_continue_cmd, 0, 298 "Continue execution.", "[/c]",NULL) }, 299 { DDB_ADD_CMD("d", db_delete_cmd, 0, 300 "Delete a breakpoint.", "address | #number",NULL) }, 301 { DDB_ADD_CMD("delete", db_delete_cmd, 0, 302 "Delete a breakpoint.", "address | #number",NULL) }, 303 { DDB_ADD_CMD("dmesg", db_dmesg, 0, 304 "Show kernel message buffer.", "[count]",NULL) }, 305 { DDB_ADD_CMD("dwatch", db_deletewatch_cmd, 0, 306 "Delete the watchpoint.", "address",NULL) }, 307 { DDB_ADD_CMD("examine", db_examine_cmd, CS_SET_DOT, 308 "Display the address locations.", 309 "[/modifier] address[,count]",NULL) }, 310 { DDB_ADD_CMD("help", db_help_print_cmd, CS_OWN|CS_NOREPEAT, 311 "Display help about commands", 312 "Use other commands as arguments.",NULL) }, 313 { DDB_ADD_CMD("kill", db_kill_proc, CS_OWN, 314 "Send a signal to the process","pid[,signal_number]", 315 " pid:\t\t\tthe process id (may need 0t prefix for decimal)\n" 316 " signal_number:\tthe signal to send") }, 317 #ifdef KGDB 318 { DDB_ADD_CMD("kgdb", db_kgdb_cmd, 0, NULL,NULL,NULL) }, 319 #endif 320 { DDB_ADD_CMD("machine",NULL,CS_MACH, 321 "Architecture specific functions.",NULL,NULL) }, 322 { DDB_ADD_CMD("match", db_trace_until_matching_cmd,0, 323 "Stop at the matching return instruction.","See help next",NULL) }, 324 { DDB_ADD_CMD("next", db_trace_until_matching_cmd,0, 325 "Stop at the matching return instruction.","[/p]",NULL) }, 326 { DDB_ADD_CMD("p", db_print_cmd, 0, 327 "Print address according to the format.", 328 "[/axzodurc] address [address ...]",NULL) }, 329 { DDB_ADD_CMD("print", db_print_cmd, 0, 330 "Print address according to the format.", 331 "[/axzodurc] address [address ...]",NULL) }, 332 { DDB_ADD_CMD("ps", db_show_all_procs, 0, 333 "Print all processes.","See show all procs",NULL) }, 334 { DDB_ADD_CMD("reboot", db_reboot_cmd, CS_OWN, 335 "Reboot","0x1 RB_ASKNAME, 0x2 RB_SINGLE, 0x4 RB_NOSYNC, 0x8 RB_HALT," 336 "0x40 RB_KDB, 0x100 RB_DUMP, 0x808 RB_POWERDOWN",NULL) }, 337 { DDB_ADD_CMD("s", db_single_step_cmd, 0, 338 "Single-step count times.","[/p] [,count]",NULL) }, 339 { DDB_ADD_CMD("search", db_search_cmd, CS_OWN|CS_SET_DOT, 340 "Search memory from address for value.", 341 "[/bhl] address value [mask] [,count]",NULL) }, 342 { DDB_ADD_CMD("set", db_set_cmd, CS_OWN, 343 "Set the named variable","$variable [=] expression",NULL) }, 344 { DDB_ADD_CMD("show", NULL, CS_SHOW, 345 "Show kernel stats.", NULL,NULL) }, 346 { DDB_ADD_CMD("sifting", db_sifting_cmd, CS_OWN, 347 "Search the symbol tables ","[/F] string",NULL) }, 348 { DDB_ADD_CMD("step", db_single_step_cmd, 0, 349 "Single-step count times.","[/p] [,count]",NULL) }, 350 { DDB_ADD_CMD("sync", db_sync_cmd, CS_OWN, 351 "Force a crash dump, and then reboot.",NULL,NULL) }, 352 { DDB_ADD_CMD("trace", db_stack_trace_cmd, 0, 353 "Stack trace from frame-address.", 354 "[/u[l]] [frame-address][,count]",NULL) }, 355 { DDB_ADD_CMD("until", db_trace_until_call_cmd,0, 356 "Stop at the next call or return instruction.","[/p]",NULL) }, 357 { DDB_ADD_CMD("w", db_write_cmd, CS_MORE|CS_SET_DOT, 358 "Write the expressions at succeeding locations.", 359 "[/bhl] address expression [expression ...]",NULL) }, 360 { DDB_ADD_CMD("watch", db_watchpoint_cmd, CS_MORE, 361 "Set a watchpoint for a region. ","address[,size]",NULL) }, 362 { DDB_ADD_CMD("whatis", db_whatis_cmd, 0, 363 "Describe what an address is", "address", NULL) }, 364 { DDB_ADD_CMD("write", db_write_cmd, CS_MORE|CS_SET_DOT, 365 "Write the expressions at succeeding locations.", 366 "[/bhl] address expression [expression ...]",NULL) }, 367 { DDB_ADD_CMD("x", db_examine_cmd, CS_SET_DOT, 368 "Display the address locations.", 369 "[/modifier] address[,count]",NULL) }, 370 { DDB_ADD_CMD(NULL, NULL, 0, NULL, NULL, NULL) } 371 }; 372 373 static const struct db_command *db_last_command = NULL; 374 #if defined(DDB_COMMANDONENTER) 375 char db_cmd_on_enter[DB_LINE_MAXLEN + 1] = ___STRING(DDB_COMMANDONENTER); 376 #else /* defined(DDB_COMMANDONENTER) */ 377 char db_cmd_on_enter[DB_LINE_MAXLEN + 1] = ""; 378 #endif /* defined(DDB_COMMANDONENTER) */ 379 #define DB_LINE_SEP ';' 380 381 /* 382 * Utility routine - discard tokens through end-of-line. 383 */ 384 void 385 db_skip_to_eol(void) 386 { 387 int t; 388 389 do { 390 t = db_read_token(); 391 } while (t != tEOL); 392 } 393 394 void 395 db_error(const char *s) 396 { 397 398 if (s) 399 db_printf("%s", s); 400 db_flush_lex(); 401 longjmp(db_recover); 402 } 403 404 /*Execute commandlist after ddb start 405 *This function goes through the command list created from commands and ';' 406 */ 407 408 static void 409 db_execute_commandlist(const char *cmdlist) 410 { 411 const char *cmd = cmdlist; 412 const struct db_command *dummy = NULL; 413 414 while (*cmd != '\0') { 415 const char *ep = cmd; 416 417 while (*ep != '\0' && *ep != DB_LINE_SEP) { 418 ep++; 419 } 420 db_set_line(cmd, ep); 421 db_command(&dummy); 422 cmd = ep; 423 if (*cmd == DB_LINE_SEP) { 424 cmd++; 425 } 426 } 427 } 428 429 /*Initialize ddb command tables*/ 430 void 431 db_init_commands(void) 432 { 433 static bool done = false; 434 435 if (done) return; 436 done = true; 437 438 /* register command tables */ 439 (void)db_register_tbl_entry(DDB_BASE_CMD, &db_base_cmd_builtins); 440 #ifdef DB_MACHINE_COMMANDS 441 (void)db_register_tbl_entry(DDB_MACH_CMD, &db_mach_cmd_builtins); 442 #endif 443 (void)db_register_tbl_entry(DDB_SHOW_CMD, &db_show_cmd_builtins); 444 } 445 446 447 /* 448 * Add command table to the specified list 449 * Arg: 450 * int type specifies type of command table DDB_SHOW_CMD|DDB_BASE_CMD|DDB_MAC_CMD 451 * *cmd_tbl poiter to static allocated db_command table 452 * 453 *Command table must be NULL terminated array of struct db_command 454 */ 455 int 456 db_register_tbl(uint8_t type, const struct db_command *cmd_tbl) 457 { 458 struct db_cmd_tbl_en *list_ent; 459 460 if (cmd_tbl->name == 0) 461 /* empty list - ignore */ 462 return 0; 463 464 /* force builtin commands to be registered first */ 465 db_init_commands(); 466 467 /* now create a list entry for this table */ 468 list_ent = malloc(sizeof(struct db_cmd_tbl_en), M_TEMP, M_ZERO); 469 if (list_ent == NULL) 470 return ENOMEM; 471 list_ent->db_cmd=cmd_tbl; 472 473 /* and register it */ 474 return db_register_tbl_entry(type, list_ent); 475 } 476 477 static int 478 db_register_tbl_entry(uint8_t type, struct db_cmd_tbl_en *list_ent) 479 { 480 struct db_cmd_tbl_en_head *list; 481 482 switch(type) { 483 case DDB_BASE_CMD: 484 list = &db_base_cmd_list; 485 break; 486 case DDB_SHOW_CMD: 487 list = &db_show_cmd_list; 488 break; 489 case DDB_MACH_CMD: 490 list = &db_mach_cmd_list; 491 break; 492 default: 493 return ENOENT; 494 } 495 496 TAILQ_INSERT_TAIL(list, list_ent, db_cmd_next); 497 498 return 0; 499 } 500 501 /* 502 * Remove command table specified with db_cmd address == cmd_tbl 503 */ 504 int 505 db_unregister_tbl(uint8_t type,const struct db_command *cmd_tbl) 506 { 507 struct db_cmd_tbl_en *list_ent; 508 struct db_cmd_tbl_en_head *list; 509 510 /* find list on which the entry should live */ 511 switch (type) { 512 case DDB_BASE_CMD: 513 list=&db_base_cmd_list; 514 break; 515 case DDB_SHOW_CMD: 516 list=&db_show_cmd_list; 517 break; 518 case DDB_MACH_CMD: 519 list=&db_mach_cmd_list; 520 break; 521 default: 522 return EINVAL; 523 } 524 525 TAILQ_FOREACH (list_ent,list,db_cmd_next) { 526 if (list_ent->db_cmd == cmd_tbl){ 527 TAILQ_REMOVE(list, 528 list_ent,db_cmd_next); 529 free(list_ent,M_TEMP); 530 return 0; 531 } 532 } 533 return ENOENT; 534 } 535 536 /*This function is called from machine trap code.*/ 537 void 538 db_command_loop(void) 539 { 540 541 label_t db_jmpbuf; 542 label_t *savejmp; 543 544 /* 545 * Initialize 'prev' and 'next' to dot. 546 */ 547 db_prev = db_dot; 548 db_next = db_dot; 549 550 db_cmd_loop_done = false; 551 552 /*Init default command tables add machine, base, 553 show command tables to the list*/ 554 db_init_commands(); 555 556 /*save context for return from ddb*/ 557 savejmp = db_recover; 558 db_recover = &db_jmpbuf; 559 (void) setjmp(&db_jmpbuf); 560 561 /*Execute default ddb start commands*/ 562 db_execute_commandlist(db_cmd_on_enter); 563 564 (void) setjmp(&db_jmpbuf); 565 while (!db_cmd_loop_done) { 566 if (db_print_position() != 0) 567 db_printf("\n"); 568 db_output_line = 0; 569 570 571 #ifdef MULTIPROCESSOR 572 db_printf("db{%ld}> ", (long)cpu_number()); 573 #else 574 db_printf("db> "); 575 #endif 576 (void) db_read_line(); 577 578 db_command(&db_last_command); 579 } 580 581 db_recover = savejmp; 582 } 583 584 /* 585 * Search for command table for command prefix 586 * ret: CMD_UNIQUE -> completely matches command 587 * CMD_FOUND -> matches prefix of single command 588 * CMD_AMBIGIOUS -> matches prefix of more than one command 589 * CMD_NONE -> command not found 590 */ 591 static int 592 db_cmd_search(const char *name,const struct db_command *table, 593 const struct db_command **cmdp) 594 { 595 596 const struct db_command *cmd; 597 int result; 598 599 result = CMD_NONE; 600 *cmdp = NULL; 601 for (cmd = table; cmd->name != 0; cmd++) { 602 const char *lp; 603 const char *rp; 604 605 lp = name; 606 rp = cmd->name; 607 while (*lp != '\0' && *lp == *rp) { 608 rp++; 609 lp++; 610 } 611 612 if (*lp != '\0') /* mismatch or extra chars in name */ 613 continue; 614 615 if (*rp == '\0') { /* complete match */ 616 *cmdp = cmd; 617 return (CMD_UNIQUE); 618 } 619 620 /* prefix match: end of name, not end of command */ 621 if (result == CMD_NONE) { 622 result = CMD_FOUND; 623 *cmdp = cmd; 624 } 625 else if (result == CMD_FOUND) { 626 result = CMD_AMBIGUOUS; 627 *cmdp = NULL; 628 } 629 } 630 631 return (result); 632 } 633 634 /* 635 *List commands to the console. 636 */ 637 static void 638 db_cmd_list(const struct db_cmd_tbl_en_head *list) 639 { 640 641 struct db_cmd_tbl_en *list_ent; 642 const struct db_command *table; 643 size_t i, j, w, columns, lines, numcmds, width=0; 644 const char *p; 645 646 TAILQ_FOREACH(list_ent,list,db_cmd_next) { 647 table = list_ent->db_cmd; 648 for (i = 0; table[i].name != NULL; i++) { 649 w = strlen(table[i].name); 650 if (w > width) 651 width = w; 652 } 653 } 654 655 width = DB_NEXT_TAB(width); 656 657 columns = db_max_width / width; 658 if (columns == 0) 659 columns = 1; 660 661 TAILQ_FOREACH(list_ent,list,db_cmd_next) { 662 table = list_ent->db_cmd; 663 664 for (numcmds = 0; table[numcmds].name != NULL; numcmds++) 665 ; 666 lines = (numcmds + columns - 1) / columns; 667 668 for (i = 0; i < lines; i++) { 669 for (j = 0; j < columns; j++) { 670 p = table[j * lines + i].name; 671 if (p) 672 db_printf("%s", p); 673 if (j * lines + i + lines >= numcmds) { 674 db_putchar('\n'); 675 break; 676 } 677 if (p) { 678 w = strlen(p); 679 while (w < width) { 680 w = DB_NEXT_TAB(w); 681 db_putchar('\t'); 682 } 683 } 684 } 685 } 686 } 687 return; 688 } 689 690 /* 691 *Returns type of list for command with name *name. 692 */ 693 static int 694 db_get_list_type(const char *name) 695 { 696 697 const struct db_command *cmd; 698 struct db_cmd_tbl_en *list_ent; 699 int error,ret=-1; 700 701 /* search for the command name */ 702 TAILQ_FOREACH(list_ent,&db_base_cmd_list,db_cmd_next) { 703 /* 704 * cmd_search returns CMD_UNIQUE, CMD_FOUND ... 705 * CMD_UNIQUE when name was completly matched to cmd->name 706 * CMD_FOUND when name was only partially matched to cmd->name 707 * CMD_NONE command not found in a list 708 * CMD_AMBIGIOUS ->more partialy matches 709 */ 710 711 error = db_cmd_search(name, list_ent->db_cmd, &cmd); 712 713 if (error == CMD_UNIQUE) { 714 /* exact match found */ 715 if (cmd->flag == CS_SHOW) { 716 ret = DDB_SHOW_CMD; 717 break; 718 } 719 if (cmd->flag == CS_MACH) { 720 ret = DDB_MACH_CMD; 721 break; 722 } else { 723 ret = DDB_BASE_CMD; 724 break; 725 } 726 727 } else if (error == CMD_FOUND) { 728 /* 729 * partial match, search will continue, but 730 * note current result in case we won't 731 * find anything better. 732 */ 733 if (cmd->flag == CS_SHOW) 734 ret = DDB_SHOW_CMD; 735 else if (cmd->flag == CS_MACH) 736 ret = DDB_MACH_CMD; 737 else 738 ret = DDB_BASE_CMD; 739 } 740 } 741 742 return ret; 743 } 744 745 /* 746 *Parse command line and execute apropriate function. 747 */ 748 static void 749 db_command(const struct db_command **last_cmdp) 750 { 751 const struct db_command *command; 752 struct db_cmd_tbl_en *list_ent; 753 struct db_cmd_tbl_en_head *list; 754 755 int t; 756 int result; 757 758 char modif[TOK_STRING_SIZE]; 759 db_expr_t addr, count; 760 bool have_addr = false; 761 762 static db_expr_t last_count = 0; 763 764 command = NULL; /* XXX gcc */ 765 766 t = db_read_token(); 767 if ((t == tEOL) || (t == tCOMMA)) { 768 /* 769 * An empty line repeats last command, at 'next'. 770 * Only a count repeats the last command with the new count. 771 */ 772 command = *last_cmdp; 773 774 if (!command) 775 return; 776 777 addr = (db_expr_t)db_next; 778 if (t == tCOMMA) { 779 if (!db_expression(&count)) { 780 db_printf("Count missing\n"); 781 db_flush_lex(); 782 return; 783 } 784 } else 785 count = last_count; 786 have_addr = false; 787 modif[0] = '\0'; 788 db_skip_to_eol(); 789 790 } else if (t == tEXCL) { 791 db_fncall(0, 0, 0, NULL); 792 return; 793 794 } else if (t != tIDENT) { 795 db_printf("?\n"); 796 db_flush_lex(); 797 return; 798 799 } else { 800 801 switch(db_get_list_type(db_tok_string)) { 802 803 case DDB_BASE_CMD: 804 list = &db_base_cmd_list; 805 break; 806 807 case DDB_SHOW_CMD: 808 list = &db_show_cmd_list; 809 /* need to read show subcommand if show command list 810 is used. */ 811 t = db_read_token(); 812 813 if (t != tIDENT) { 814 /* if only show command is executed, print 815 all subcommands */ 816 db_cmd_list(list); 817 db_flush_lex(); 818 return; 819 } 820 break; 821 case DDB_MACH_CMD: 822 list = &db_mach_cmd_list; 823 /* need to read machine subcommand if 824 machine level 2 command list is used. */ 825 t = db_read_token(); 826 827 if (t != tIDENT) { 828 /* if only show command is executed, print 829 all subcommands */ 830 db_cmd_list(list); 831 db_flush_lex(); 832 return; 833 } 834 break; 835 default: 836 db_printf("No such command\n"); 837 db_flush_lex(); 838 return; 839 } 840 841 COMPAT_RET: 842 TAILQ_FOREACH(list_ent, list, db_cmd_next) { 843 result = db_cmd_search(db_tok_string, list_ent->db_cmd, 844 &command); 845 846 /* after CMD_UNIQUE in cmd_list only a single command 847 name is possible */ 848 if (result == CMD_UNIQUE) 849 break; 850 851 } 852 853 /* check compatibility flag */ 854 if (command && command->flag & CS_COMPAT){ 855 t = db_read_token(); 856 if (t != tIDENT) { 857 db_cmd_list(list); 858 db_flush_lex(); 859 return; 860 } 861 862 /* support only level 2 commands here */ 863 goto COMPAT_RET; 864 } 865 866 if (!command) { 867 db_printf("No such command\n"); 868 db_flush_lex(); 869 return; 870 } 871 872 if ((command->flag & CS_OWN) == 0) { 873 874 /* 875 * Standard syntax: 876 * command [/modifier] [addr] [,count] 877 */ 878 t = db_read_token(); /* get modifier */ 879 if (t == tSLASH) { 880 t = db_read_token(); 881 if (t != tIDENT) { 882 db_printf("Bad modifier\n"); 883 db_flush_lex(); 884 return; 885 } 886 /* save modifier */ 887 strlcpy(modif, db_tok_string, sizeof(modif)); 888 889 } else { 890 db_unread_token(t); 891 modif[0] = '\0'; 892 } 893 894 if (db_expression(&addr)) { /*get address*/ 895 db_dot = (db_addr_t) addr; 896 db_last_addr = db_dot; 897 have_addr = true; 898 } else { 899 addr = (db_expr_t) db_dot; 900 have_addr = false; 901 } 902 903 t = db_read_token(); 904 if (t == tCOMMA) { /*Get count*/ 905 if (!db_expression(&count)) { 906 db_printf("Count missing\n"); 907 db_flush_lex(); 908 return; 909 } 910 } else { 911 db_unread_token(t); 912 count = -1; 913 } 914 if ((command->flag & CS_MORE) == 0) { 915 db_skip_to_eol(); 916 } 917 } 918 } 919 920 if (command->flag & CS_NOREPEAT) { 921 *last_cmdp = NULL; 922 last_count = 0; 923 } else { 924 *last_cmdp = command; 925 last_count = count; 926 } 927 928 if (command != NULL) { 929 /* 930 * Execute the command. 931 */ 932 if (command->fcn != NULL) 933 (*command->fcn)(addr, have_addr, count, modif); 934 935 if (command->flag & CS_SET_DOT) { 936 /* 937 * If command changes dot, set dot to 938 * previous address displayed (if 'ed' style). 939 */ 940 if (db_ed_style) 941 db_dot = db_prev; 942 else 943 db_dot = db_next; 944 } else { 945 /* 946 * If command does not change dot, 947 * set 'next' location to be the same. 948 */ 949 db_next = db_dot; 950 } 951 } 952 } 953 954 /* 955 * Print help for commands 956 */ 957 static void 958 db_help_print_cmd(db_expr_t addr, bool have_addr, db_expr_t count, 959 const char *modif) 960 { 961 962 const struct db_cmd_tbl_en_head *list; 963 const struct db_cmd_tbl_en *list_ent; 964 const struct db_command *help = NULL; 965 int t, result; 966 967 t = db_read_token(); 968 /* is there another command after the "help"? */ 969 if (t == tIDENT){ 970 971 switch(db_get_list_type(db_tok_string)) { 972 973 case DDB_BASE_CMD: 974 list=&db_base_cmd_list; 975 break; 976 case DDB_SHOW_CMD: 977 list=&db_show_cmd_list; 978 /* read the show subcommand */ 979 t = db_read_token(); 980 981 if (t != tIDENT) { 982 /* no subcommand, print the list */ 983 db_cmd_list(list); 984 db_flush_lex(); 985 return; 986 } 987 988 break; 989 case DDB_MACH_CMD: 990 list=&db_mach_cmd_list; 991 /* read machine subcommand */ 992 t = db_read_token(); 993 994 if (t != tIDENT) { 995 /* no subcommand - just print the list */ 996 db_cmd_list(list); 997 db_flush_lex(); 998 return; 999 } 1000 break; 1001 1002 default: 1003 db_printf("No such command\n"); 1004 db_flush_lex(); 1005 return; 1006 } 1007 COMPAT_RET: 1008 TAILQ_FOREACH(list_ent,list,db_cmd_next){ 1009 result = db_cmd_search(db_tok_string, list_ent->db_cmd, 1010 &help); 1011 /* after CMD_UNIQUE only a single command 1012 name is possible */ 1013 if (result == CMD_UNIQUE) 1014 break; 1015 } 1016 #ifdef DDB_VERBOSE_HELP 1017 /*print help*/ 1018 1019 db_printf("Command: %s\n",help->name); 1020 1021 if (help->cmd_descr != NULL) 1022 db_printf(" Description: %s\n",help->cmd_descr); 1023 1024 if (help->cmd_arg != NULL) 1025 db_printf(" Arguments: %s\n",help->cmd_arg); 1026 1027 if (help->cmd_arg_help != NULL) 1028 db_printf(" Arguments description:\n%s\n", 1029 help->cmd_arg_help); 1030 1031 if ((help->cmd_arg == NULL) && (help->cmd_descr == NULL)) 1032 db_printf("%s Doesn't have any help message included.\n", 1033 help->name); 1034 #endif 1035 /* check compatibility flag */ 1036 /* 1037 * The "show all" command table has been merged with the 1038 * "show" command table - but we want to keep the old UI 1039 * available. So if we find a CS_COMPAT entry, we read 1040 * the next token and try again. 1041 */ 1042 if (help->flag == CS_COMPAT){ 1043 t = db_read_token(); 1044 1045 if (t != tIDENT){ 1046 db_cmd_list(list); 1047 db_flush_lex(); 1048 return; 1049 } 1050 1051 goto COMPAT_RET; 1052 /* support only level 2 commands here */ 1053 } else { 1054 db_skip_to_eol(); 1055 } 1056 1057 } else /* t != tIDENT */ 1058 /* print base commands */ 1059 db_cmd_list(&db_base_cmd_list); 1060 1061 return; 1062 } 1063 1064 /*ARGSUSED*/ 1065 static void 1066 db_map_print_cmd(db_expr_t addr, bool have_addr, db_expr_t count, 1067 const char *modif) 1068 { 1069 bool full = false; 1070 1071 if (modif[0] == 'f') 1072 full = true; 1073 1074 if (have_addr == false) 1075 addr = (db_expr_t)(intptr_t) kernel_map; 1076 1077 uvm_map_printit((struct vm_map *)(intptr_t) addr, full, db_printf); 1078 } 1079 1080 /*ARGSUSED*/ 1081 static void 1082 db_malloc_print_cmd(db_expr_t addr, bool have_addr, 1083 db_expr_t count, const char *modif) 1084 { 1085 1086 #ifdef MALLOC_DEBUG 1087 if (!have_addr) 1088 addr = 0; 1089 1090 debug_malloc_printit(db_printf, (vaddr_t) addr); 1091 #else 1092 db_printf("The kernel is not built with the MALLOC_DEBUG option.\n"); 1093 #endif /* MALLOC_DEBUG */ 1094 } 1095 1096 /*ARGSUSED*/ 1097 static void 1098 db_object_print_cmd(db_expr_t addr, bool have_addr, 1099 db_expr_t count, const char *modif) 1100 { 1101 bool full = false; 1102 1103 if (modif[0] == 'f') 1104 full = true; 1105 1106 uvm_object_printit((struct uvm_object *)(intptr_t) addr, full, 1107 db_printf); 1108 } 1109 1110 /*ARGSUSED*/ 1111 static void 1112 db_page_print_cmd(db_expr_t addr, bool have_addr, 1113 db_expr_t count, const char *modif) 1114 { 1115 bool full = false; 1116 1117 if (modif[0] == 'f') 1118 full = true; 1119 1120 uvm_page_printit((struct vm_page *)(intptr_t) addr, full, db_printf); 1121 } 1122 1123 /*ARGSUSED*/ 1124 static void 1125 db_show_all_pages(db_expr_t addr, bool have_addr, 1126 db_expr_t count, const char *modif) 1127 { 1128 1129 uvm_page_printall(db_printf); 1130 } 1131 1132 /*ARGSUSED*/ 1133 static void 1134 db_buf_print_cmd(db_expr_t addr, bool have_addr, 1135 db_expr_t count, const char *modif) 1136 { 1137 bool full = false; 1138 1139 if (modif[0] == 'f') 1140 full = true; 1141 1142 vfs_buf_print((struct buf *)(intptr_t) addr, full, db_printf); 1143 } 1144 1145 /*ARGSUSED*/ 1146 static void 1147 db_event_print_cmd(db_expr_t addr, bool have_addr, 1148 db_expr_t count, const char *modif) 1149 { 1150 bool full = false; 1151 1152 if (modif[0] == 'f') 1153 full = true; 1154 1155 event_print(full, db_printf); 1156 } 1157 1158 /*ARGSUSED*/ 1159 static void 1160 db_vnode_print_cmd(db_expr_t addr, bool have_addr, 1161 db_expr_t count, const char *modif) 1162 { 1163 bool full = false; 1164 1165 if (modif[0] == 'f') 1166 full = true; 1167 1168 vfs_vnode_print((struct vnode *)(intptr_t) addr, full, db_printf); 1169 } 1170 1171 static void 1172 db_mount_print_cmd(db_expr_t addr, bool have_addr, 1173 db_expr_t count, const char *modif) 1174 { 1175 bool full = false; 1176 1177 if (modif[0] == 'f') 1178 full = true; 1179 1180 vfs_mount_print((struct mount *)(intptr_t) addr, full, db_printf); 1181 } 1182 1183 /*ARGSUSED*/ 1184 static void 1185 db_mbuf_print_cmd(db_expr_t addr, bool have_addr, 1186 db_expr_t count, const char *modif) 1187 { 1188 1189 m_print((const struct mbuf *)(intptr_t) addr, modif, db_printf); 1190 } 1191 1192 /*ARGSUSED*/ 1193 static void 1194 db_pool_print_cmd(db_expr_t addr, bool have_addr, 1195 db_expr_t count, const char *modif) 1196 { 1197 1198 pool_printit((struct pool *)(intptr_t) addr, modif, db_printf); 1199 } 1200 1201 /*ARGSUSED*/ 1202 static void 1203 db_namecache_print_cmd(db_expr_t addr, bool have_addr, 1204 db_expr_t count, const char *modif) 1205 { 1206 1207 namecache_print((struct vnode *)(intptr_t) addr, db_printf); 1208 } 1209 1210 /*ARGSUSED*/ 1211 static void 1212 db_uvmexp_print_cmd(db_expr_t addr, bool have_addr, 1213 db_expr_t count, const char *modif) 1214 { 1215 1216 uvmexp_print(db_printf); 1217 } 1218 1219 #ifdef UVMHIST 1220 /*ARGSUSED*/ 1221 static void 1222 db_uvmhist_print_cmd(db_expr_t addr, bool have_addr, 1223 db_expr_t count, const char *modif) 1224 { 1225 1226 uvmhist_print(db_printf); 1227 } 1228 #endif 1229 1230 /*ARGSUSED*/ 1231 static void 1232 db_lock_print_cmd(db_expr_t addr, bool have_addr, 1233 db_expr_t count, const char *modif) 1234 { 1235 1236 lockdebug_lock_print((void *)addr, db_printf); 1237 } 1238 1239 /* 1240 * Call random function: 1241 * !expr(arg,arg,arg) 1242 */ 1243 /*ARGSUSED*/ 1244 static void 1245 db_fncall(db_expr_t addr, bool have_addr, 1246 db_expr_t count, const char *modif) 1247 { 1248 db_expr_t fn_addr; 1249 #define MAXARGS 11 1250 db_expr_t args[MAXARGS]; 1251 int nargs = 0; 1252 db_expr_t retval; 1253 db_expr_t (*func)(db_expr_t, ...); 1254 int t; 1255 1256 if (!db_expression(&fn_addr)) { 1257 db_printf("Bad function\n"); 1258 db_flush_lex(); 1259 return; 1260 } 1261 func = (db_expr_t (*)(db_expr_t, ...))(intptr_t) fn_addr; 1262 1263 t = db_read_token(); 1264 if (t == tLPAREN) { 1265 if (db_expression(&args[0])) { 1266 nargs++; 1267 while ((t = db_read_token()) == tCOMMA) { 1268 if (nargs == MAXARGS) { 1269 db_printf("Too many arguments\n"); 1270 db_flush_lex(); 1271 return; 1272 } 1273 if (!db_expression(&args[nargs])) { 1274 db_printf("Argument missing\n"); 1275 db_flush_lex(); 1276 return; 1277 } 1278 nargs++; 1279 } 1280 db_unread_token(t); 1281 } 1282 if (db_read_token() != tRPAREN) { 1283 db_printf("?\n"); 1284 db_flush_lex(); 1285 return; 1286 } 1287 } 1288 db_skip_to_eol(); 1289 1290 while (nargs < MAXARGS) { 1291 args[nargs++] = 0; 1292 } 1293 1294 retval = (*func)(args[0], args[1], args[2], args[3], args[4], 1295 args[5], args[6], args[7], args[8], args[9]); 1296 db_printf("%s\n", db_num_to_str(retval)); 1297 } 1298 1299 static void 1300 db_reboot_cmd(db_expr_t addr, bool have_addr, 1301 db_expr_t count, const char *modif) 1302 { 1303 db_expr_t bootflags; 1304 1305 /* Flags, default to RB_AUTOBOOT */ 1306 if (!db_expression(&bootflags)) 1307 bootflags = (db_expr_t)RB_AUTOBOOT; 1308 if (db_read_token() != tEOL) { 1309 db_error("?\n"); 1310 /*NOTREACHED*/ 1311 } 1312 /* 1313 * We are leaving DDB, never to return upward. 1314 * Clear db_recover so that we can debug faults in functions 1315 * called from cpu_reboot. 1316 */ 1317 db_recover = 0; 1318 cpu_reboot((int)bootflags, NULL); 1319 } 1320 1321 static void 1322 db_sifting_cmd(db_expr_t addr, bool have_addr, 1323 db_expr_t count, const char *modif) 1324 { 1325 int mode, t; 1326 1327 t = db_read_token(); 1328 if (t == tSLASH) { 1329 t = db_read_token(); 1330 if (t != tIDENT) { 1331 bad_modifier: 1332 db_printf("Bad modifier\n"); 1333 db_flush_lex(); 1334 return; 1335 } 1336 if (!strcmp(db_tok_string, "F")) 1337 mode = 'F'; 1338 else 1339 goto bad_modifier; 1340 t = db_read_token(); 1341 } else 1342 mode = 0; 1343 1344 if (t == tIDENT) 1345 db_sifting(db_tok_string, mode); 1346 else { 1347 db_printf("Bad argument (non-string)\n"); 1348 db_flush_lex(); 1349 } 1350 } 1351 1352 static void 1353 db_stack_trace_cmd(db_expr_t addr, bool have_addr, db_expr_t count, const char *modif) 1354 { 1355 register const char *cp = modif; 1356 register char c; 1357 void (*pr)(const char *, ...); 1358 1359 pr = db_printf; 1360 while ((c = *cp++) != 0) 1361 if (c == 'l') 1362 pr = printf; 1363 1364 if (count == -1) 1365 count = 65535; 1366 1367 db_stack_trace_print(addr, have_addr, count, modif, pr); 1368 } 1369 1370 static void 1371 db_sync_cmd(db_expr_t addr, bool have_addr, 1372 db_expr_t count, const char *modif) 1373 { 1374 1375 /* 1376 * We are leaving DDB, never to return upward. 1377 * Clear db_recover so that we can debug faults in functions 1378 * called from cpu_reboot. 1379 */ 1380 db_recover = 0; 1381 panicstr = "dump forced via kernel debugger"; 1382 cpu_reboot(RB_DUMP, NULL); 1383 } 1384 1385 /* 1386 * Describe what an address is 1387 */ 1388 void 1389 db_whatis_cmd(db_expr_t address, bool have_addr, 1390 db_expr_t count, const char *modif) 1391 { 1392 const uintptr_t addr = (uintptr_t)address; 1393 1394 lwp_whatis(addr, db_printf); 1395 pool_whatis(addr, db_printf); 1396 vmem_whatis(addr, db_printf); 1397 uvm_whatis(addr, db_printf); 1398 } 1399
Indexes created Mon Sep 22 05:09:51 GMT 2025