db_sym.c (256281) | db_sym.c (273265) |
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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 --- 15 unchanged lines hidden (view full) --- 24 * rights to redistribute these changes. 25 */ 26/* 27 * Author: David B. Golub, Carnegie Mellon University 28 * Date: 7/90 29 */ 30 31#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 --- 15 unchanged lines hidden (view full) --- 24 * rights to redistribute these changes. 25 */ 26/* 27 * Author: David B. Golub, Carnegie Mellon University 28 * Date: 7/90 29 */ 30 31#include <sys/cdefs.h> |
32__FBSDID("$FreeBSD: stable/10/sys/ddb/db_sym.c 206639 2010-04-14 23:06:07Z julian $"); | 32__FBSDID("$FreeBSD: stable/10/sys/ddb/db_sym.c 273265 2014-10-18 19:22:59Z pfg $"); |
33 34#include <sys/param.h> 35#include <sys/pcpu.h> 36#include <sys/smp.h> 37#include <sys/systm.h> 38 39#include <net/vnet.h> 40 --- 124 unchanged lines hidden (view full) --- 165 } 166} 167#endif 168 169/* 170 * Add symbol table, with given name, to list of symbol tables. 171 */ 172void | 33 34#include <sys/param.h> 35#include <sys/pcpu.h> 36#include <sys/smp.h> 37#include <sys/systm.h> 38 39#include <net/vnet.h> 40 --- 124 unchanged lines hidden (view full) --- 165 } 166} 167#endif 168 169/* 170 * Add symbol table, with given name, to list of symbol tables. 171 */ 172void |
173db_add_symbol_table(start, end, name, ref) 174 char *start; 175 char *end; 176 char *name; 177 char *ref; | 173db_add_symbol_table(char *start, char *end, char *name, char *ref) |
178{ 179 if (db_nsymtab >= MAXNOSYMTABS) { 180 printf ("No slots left for %s symbol table", name); 181 panic ("db_sym.c: db_add_symbol_table"); 182 } 183 184 db_symtabs[db_nsymtab].start = start; 185 db_symtabs[db_nsymtab].end = end; --- 4 unchanged lines hidden (view full) --- 190 191/* 192 * db_qualify("vm_map", "ux") returns "unix:vm_map". 193 * 194 * Note: return value points to static data whose content is 195 * overwritten by each call... but in practice this seems okay. 196 */ 197static char * | 174{ 175 if (db_nsymtab >= MAXNOSYMTABS) { 176 printf ("No slots left for %s symbol table", name); 177 panic ("db_sym.c: db_add_symbol_table"); 178 } 179 180 db_symtabs[db_nsymtab].start = start; 181 db_symtabs[db_nsymtab].end = end; --- 4 unchanged lines hidden (view full) --- 186 187/* 188 * db_qualify("vm_map", "ux") returns "unix:vm_map". 189 * 190 * Note: return value points to static data whose content is 191 * overwritten by each call... but in practice this seems okay. 192 */ 193static char * |
198db_qualify(sym, symtabname) 199 c_db_sym_t sym; 200 register char *symtabname; | 194db_qualify(c_db_sym_t sym, char *symtabname) |
201{ 202 const char *symname; 203 static char tmp[256]; 204 205 db_symbol_values(sym, &symname, 0); 206 snprintf(tmp, sizeof(tmp), "%s:%s", symtabname, symname); 207 return tmp; 208} 209 210 211boolean_t | 195{ 196 const char *symname; 197 static char tmp[256]; 198 199 db_symbol_values(sym, &symname, 0); 200 snprintf(tmp, sizeof(tmp), "%s:%s", symtabname, symname); 201 return tmp; 202} 203 204 205boolean_t |
212db_eqname(src, dst, c) 213 const char *src; 214 const char *dst; 215 int c; | 206db_eqname(const char *src, const char *dst, int c) |
216{ 217 if (!strcmp(src, dst)) 218 return (TRUE); 219 if (src[0] == c) 220 return (!strcmp(src+1,dst)); 221 return (FALSE); 222} 223 224boolean_t | 207{ 208 if (!strcmp(src, dst)) 209 return (TRUE); 210 if (src[0] == c) 211 return (!strcmp(src+1,dst)); 212 return (FALSE); 213} 214 215boolean_t |
225db_value_of_name(name, valuep) 226 const char *name; 227 db_expr_t *valuep; | 216db_value_of_name(const char *name, db_expr_t *valuep) |
228{ 229 c_db_sym_t sym; 230 231 sym = db_lookup(name); 232 if (sym == C_DB_SYM_NULL) 233 return (FALSE); 234 db_symbol_values(sym, &name, valuep); 235 return (TRUE); 236} 237 238boolean_t | 217{ 218 c_db_sym_t sym; 219 220 sym = db_lookup(name); 221 if (sym == C_DB_SYM_NULL) 222 return (FALSE); 223 db_symbol_values(sym, &name, valuep); 224 return (TRUE); 225} 226 227boolean_t |
239db_value_of_name_pcpu(name, valuep) 240 const char *name; 241 db_expr_t *valuep; | 228db_value_of_name_pcpu(const char *name, db_expr_t *valuep) |
242{ 243 static char tmp[256]; 244 db_expr_t value; 245 c_db_sym_t sym; 246 int cpu; 247 248 if (db_cpu != -1) 249 cpu = db_cpu; --- 6 unchanged lines hidden (view full) --- 256 db_symbol_values(sym, &name, &value); 257 if (value < DPCPU_START || value >= DPCPU_STOP) 258 return (FALSE); 259 *valuep = (db_expr_t)((uintptr_t)value + dpcpu_off[cpu]); 260 return (TRUE); 261} 262 263boolean_t | 229{ 230 static char tmp[256]; 231 db_expr_t value; 232 c_db_sym_t sym; 233 int cpu; 234 235 if (db_cpu != -1) 236 cpu = db_cpu; --- 6 unchanged lines hidden (view full) --- 243 db_symbol_values(sym, &name, &value); 244 if (value < DPCPU_START || value >= DPCPU_STOP) 245 return (FALSE); 246 *valuep = (db_expr_t)((uintptr_t)value + dpcpu_off[cpu]); 247 return (TRUE); 248} 249 250boolean_t |
264db_value_of_name_vnet(name, valuep) 265 const char *name; 266 db_expr_t *valuep; | 251db_value_of_name_vnet(const char *name, db_expr_t *valuep) |
267{ 268#ifdef VIMAGE 269 static char tmp[256]; 270 db_expr_t value; 271 c_db_sym_t sym; 272 struct vnet *vnet; 273 274 if (db_vnet != NULL) --- 16 unchanged lines hidden (view full) --- 291 292/* 293 * Lookup a symbol. 294 * If the symbol has a qualifier (e.g., ux:vm_map), 295 * then only the specified symbol table will be searched; 296 * otherwise, all symbol tables will be searched. 297 */ 298static c_db_sym_t | 252{ 253#ifdef VIMAGE 254 static char tmp[256]; 255 db_expr_t value; 256 c_db_sym_t sym; 257 struct vnet *vnet; 258 259 if (db_vnet != NULL) --- 16 unchanged lines hidden (view full) --- 276 277/* 278 * Lookup a symbol. 279 * If the symbol has a qualifier (e.g., ux:vm_map), 280 * then only the specified symbol table will be searched; 281 * otherwise, all symbol tables will be searched. 282 */ 283static c_db_sym_t |
299db_lookup(symstr) 300 const char *symstr; | 284db_lookup(const char *symstr) |
301{ 302 c_db_sym_t sp; 303 register int i; 304 int symtab_start = 0; 305 int symtab_end = db_nsymtab; 306 register const char *cp; 307 308 /* --- 40 unchanged lines hidden (view full) --- 349 */ 350static volatile boolean_t db_qualify_ambiguous_names = FALSE; 351 352/* 353 * Does this symbol name appear in more than one symbol table? 354 * Used by db_symbol_values to decide whether to qualify a symbol. 355 */ 356static boolean_t | 285{ 286 c_db_sym_t sp; 287 register int i; 288 int symtab_start = 0; 289 int symtab_end = db_nsymtab; 290 register const char *cp; 291 292 /* --- 40 unchanged lines hidden (view full) --- 333 */ 334static volatile boolean_t db_qualify_ambiguous_names = FALSE; 335 336/* 337 * Does this symbol name appear in more than one symbol table? 338 * Used by db_symbol_values to decide whether to qualify a symbol. 339 */ 340static boolean_t |
357db_symbol_is_ambiguous(sym) 358 c_db_sym_t sym; | 341db_symbol_is_ambiguous(c_db_sym_t sym) |
359{ 360 const char *sym_name; 361 register int i; 362 register 363 boolean_t found_once = FALSE; 364 365 if (!db_qualify_ambiguous_names) 366 return FALSE; --- 9 unchanged lines hidden (view full) --- 376 return FALSE; 377} 378 379/* 380 * Find the closest symbol to val, and return its name 381 * and the difference between val and the symbol found. 382 */ 383c_db_sym_t | 342{ 343 const char *sym_name; 344 register int i; 345 register 346 boolean_t found_once = FALSE; 347 348 if (!db_qualify_ambiguous_names) 349 return FALSE; --- 9 unchanged lines hidden (view full) --- 359 return FALSE; 360} 361 362/* 363 * Find the closest symbol to val, and return its name 364 * and the difference between val and the symbol found. 365 */ 366c_db_sym_t |
384db_search_symbol( val, strategy, offp) 385 register db_addr_t val; 386 db_strategy_t strategy; 387 db_expr_t *offp; | 367db_search_symbol(db_addr_t val, db_strategy_t strategy, db_expr_t *offp) |
388{ 389 register 390 unsigned int diff; 391 size_t newdiff; 392 register int i; 393 c_db_sym_t ret = C_DB_SYM_NULL, sym; 394 395 newdiff = diff = ~0; --- 8 unchanged lines hidden (view full) --- 404 *offp = diff; 405 return ret; 406} 407 408/* 409 * Return name and value of a symbol 410 */ 411void | 368{ 369 register 370 unsigned int diff; 371 size_t newdiff; 372 register int i; 373 c_db_sym_t ret = C_DB_SYM_NULL, sym; 374 375 newdiff = diff = ~0; --- 8 unchanged lines hidden (view full) --- 384 *offp = diff; 385 return ret; 386} 387 388/* 389 * Return name and value of a symbol 390 */ 391void |
412db_symbol_values(sym, namep, valuep) 413 c_db_sym_t sym; 414 const char **namep; 415 db_expr_t *valuep; | 392db_symbol_values(c_db_sym_t sym, const char **namep, db_expr_t *valuep) |
416{ 417 db_expr_t value; 418 419 if (sym == DB_SYM_NULL) { 420 *namep = 0; 421 return; 422 } 423 --- 20 unchanged lines hidden (view full) --- 444 * bogus symbol associations, e.g. 3 might get some absolute 445 * value like _INCLUDE_VERSION or something, therefore we do 446 * not accept symbols whose value is "small" (and use plain hex). 447 */ 448 449db_expr_t db_maxoff = 0x10000; 450 451void | 393{ 394 db_expr_t value; 395 396 if (sym == DB_SYM_NULL) { 397 *namep = 0; 398 return; 399 } 400 --- 20 unchanged lines hidden (view full) --- 421 * bogus symbol associations, e.g. 3 might get some absolute 422 * value like _INCLUDE_VERSION or something, therefore we do 423 * not accept symbols whose value is "small" (and use plain hex). 424 */ 425 426db_expr_t db_maxoff = 0x10000; 427 428void |
452db_printsym(off, strategy) 453 db_expr_t off; 454 db_strategy_t strategy; | 429db_printsym(db_expr_t off, db_strategy_t strategy) |
455{ 456 db_expr_t d; 457 char *filename; 458 const char *name; 459 db_expr_t value; 460 int linenum; 461 c_db_sym_t cursym; 462 --- 18 unchanged lines hidden (view full) --- 481 db_printf("+%+#lr", (long)d); 482 if (strategy == DB_STGY_PROC) { 483 if (db_line_at_pc(cursym, &filename, &linenum, off)) 484 db_printf(" [%s:%d]", filename, linenum); 485 } 486} 487 488static boolean_t | 430{ 431 db_expr_t d; 432 char *filename; 433 const char *name; 434 db_expr_t value; 435 int linenum; 436 c_db_sym_t cursym; 437 --- 18 unchanged lines hidden (view full) --- 456 db_printf("+%+#lr", (long)d); 457 if (strategy == DB_STGY_PROC) { 458 if (db_line_at_pc(cursym, &filename, &linenum, off)) 459 db_printf(" [%s:%d]", filename, linenum); 460 } 461} 462 463static boolean_t |
489db_line_at_pc( sym, filename, linenum, pc) 490 c_db_sym_t sym; 491 char **filename; 492 int *linenum; 493 db_expr_t pc; | 464db_line_at_pc(c_db_sym_t sym, char **filename, int *linenum, db_expr_t pc) |
494{ 495 return X_db_line_at_pc( db_last_symtab, sym, filename, linenum, pc); 496} 497 498int | 465{ 466 return X_db_line_at_pc( db_last_symtab, sym, filename, linenum, pc); 467} 468 469int |
499db_sym_numargs(sym, nargp, argnames) 500 c_db_sym_t sym; 501 int *nargp; 502 char **argnames; | 470db_sym_numargs(c_db_sym_t sym, int *nargp, char **argnames) |
503{ 504 return X_db_sym_numargs(db_last_symtab, sym, nargp, argnames); 505} | 471{ 472 return X_db_sym_numargs(db_last_symtab, sym, nargp, argnames); 473} |