programs/winedbg/symbol.c

   1 /*
   2  * Generate hash tables for Wine debugger symbols
   3  *
   4  * Copyright (C) 1993, Eric Youngdale.
   5  *               2004-2005, Eric Pouech.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #define NONAMELESSUNION
  23 #define NONAMELESSSTRUCT
  24
  25 #include "config.h"
  26 #include <stdlib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29
  30 #include "debugger.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(winedbg);
  34
  35 static BOOL symbol_get_debug_start(const struct dbg_type* func, ULONG64* start)
  36 {
  37     DWORD                       count, tag;
  38     char                        buffer[sizeof(TI_FINDCHILDREN_PARAMS) + 256 * sizeof(DWORD)];
  39     TI_FINDCHILDREN_PARAMS*     fcp = (TI_FINDCHILDREN_PARAMS*)buffer;
  40     int                         i;
  41     struct dbg_type             child;
  42
  43     if (!func->id) return FALSE; /* native dbghelp not always fills the info field */
  44
  45     if (!types_get_info(func, TI_GET_CHILDRENCOUNT, &count)) return FALSE;
  46     fcp->Start = 0;
  47     while (count)
  48     {
  49         fcp->Count = min(count, 256);
  50         if (types_get_info(func, TI_FINDCHILDREN, fcp))
  51         {
  52             for (i = 0; i < min(fcp->Count, count); i++)
  53             {
  54                 child.module = func->module;
  55                 child.id = fcp->ChildId[i];
  56                 types_get_info(&child, TI_GET_SYMTAG, &tag);
  57                 if (tag != SymTagFuncDebugStart) continue;
  58                 return types_get_info(&child, TI_GET_ADDRESS, start);
  59             }
  60             count -= min(count, 256);
  61             fcp->Start += 256;
  62             fcp->Start += 256;
  63         }
  64     }
  65     return FALSE;
  66 }
  67
  68 static BOOL fill_sym_lvalue(const SYMBOL_INFO* sym, ULONG base,
  69                             struct dbg_lvalue* lvalue, char* buffer, size_t sz)
  70 {
  71     if (buffer) buffer[0] = '\0';
  72     if (sym->Flags & SYMFLAG_REGISTER)
  73     {
  74         DWORD* pval;
  75
  76         if (!memory_get_register(sym->Register, &pval, buffer, sz))
  77             return FALSE;
  78         lvalue->cookie = DLV_HOST;
  79         lvalue->addr.Offset = (DWORD_PTR)pval;
  80     }
  81     else if (sym->Flags & SYMFLAG_REGREL)
  82     {
  83         DWORD* pval;
  84
  85         if (!memory_get_register(sym->Register, &pval, buffer, sz))
  86             return FALSE;
  87         lvalue->cookie = DLV_TARGET;
  88         lvalue->addr.Offset = (ULONG)((ULONG64)*pval + sym->Address);
  89     }
  90     else if (sym->Flags & SYMFLAG_VALUEPRESENT)
  91     {
  92         struct dbg_type type;
  93         VARIANT         v;
  94         DWORD*          pdw;
  95
  96         type.module = sym->ModBase;
  97         type.id = sym->info;
  98
  99         /* FIXME: this won't work for pointers, as we always for the
 100          * dereference to be in debuggee address space while here
 101          * it's in debugger address space
 102          */
 103         if (!types_get_info(&type, TI_GET_VALUE, &v) || (v.n1.n2.vt & VT_BYREF))
 104         {
 105             snprintf(buffer, sz, "Couldn't dereference pointer for const value");
 106             return FALSE;
 107         }
 108         pdw = (DWORD*)lexeme_alloc_size(sizeof(*pdw));
 109         lvalue->cookie = DLV_HOST;
 110         lvalue->addr.Offset = (ULONG)(DWORD_PTR)pdw;
 111         *pdw = sym->Value;
 112     }
 113     else if (sym->Flags & SYMFLAG_LOCAL)
 114     {
 115         lvalue->cookie = DLV_TARGET;
 116         lvalue->addr.Offset = base + sym->Address;
 117     }
 118     else
 119     {
 120         lvalue->cookie = DLV_TARGET;
 121         lvalue->addr.Offset = sym->Address;
 122     }
 123     lvalue->addr.Mode = AddrModeFlat;
 124     lvalue->type.module = sym->ModBase;
 125     lvalue->type.id = sym->TypeIndex;
 126
 127     return TRUE;
 128 }
 129
 130 struct sgv_data
 131 {
 132 #define NUMDBGV                 100
 133     struct
 134     {
 135         /* FIXME: NUMDBGV should be made variable */
 136         struct dbg_lvalue               lvalue;
 137         DWORD                           flags;
 138         DWORD                           sym_info;
 139     }                           syms[NUMDBGV];  /* out     : will be filled in with various found symbols */
 140     int                         num;            /* out     : number of found symbols */
 141     int                         num_thunks;     /* out     : number of thunks found */
 142     const char*                 name;           /* in      : name of symbol to look up */
 143     unsigned                    do_thunks : 1;  /* in      : whether we return thunks tags */
 144     ULONG64                     frame_offset;   /* in      : frame for local & parameter variables look up */
 145 };
 146
 147 static BOOL CALLBACK sgv_cb(PSYMBOL_INFO sym, ULONG size, PVOID ctx)
 148 {
 149     struct sgv_data*    sgv = (struct sgv_data*)ctx;
 150     unsigned            insp;
 151     char                tmp[64];
 152
 153     if (sym->Flags & SYMFLAG_THUNK)
 154     {
 155         if (!sgv->do_thunks) return TRUE;
 156         sgv->num_thunks++;
 157     }
 158
 159     if (sgv->num >= NUMDBGV)
 160     {
 161         dbg_printf("Too many addresses for symbol '%s', limiting the first %d\n",
 162                    sgv->name, NUMDBGV);
 163         return FALSE;
 164     }
 165     WINE_TRACE("==> %s %s%s%s%s%s%s%s\n",
 166                sym->Name,
 167                (sym->Flags & SYMFLAG_FUNCTION) ? "func " : "",
 168                (sym->Flags & SYMFLAG_FRAMEREL) ? "framerel " : "",
 169                (sym->Flags & SYMFLAG_REGISTER) ? "register " : "",
 170                (sym->Flags & SYMFLAG_REGREL) ? "regrel " : "",
 171                (sym->Flags & SYMFLAG_PARAMETER) ? "param " : "",
 172                (sym->Flags & SYMFLAG_LOCAL) ? "local " : "",
 173                (sym->Flags & SYMFLAG_THUNK) ? "thunk " : "");
 174
 175     /* always keep the thunks at end of the array */
 176     insp = sgv->num;
 177     if (sgv->num_thunks && !(sym->Flags & SYMFLAG_THUNK))
 178     {
 179         insp -= sgv->num_thunks;
 180         memmove(&sgv->syms[insp + 1], &sgv->syms[insp],
 181                 sizeof(sgv->syms[0]) * sgv->num_thunks);
 182     }
 183     if (!fill_sym_lvalue(sym, sgv->frame_offset, &sgv->syms[insp].lvalue, tmp, sizeof(tmp)))
 184     {
 185         dbg_printf("%s: %s\n", sym->Name, tmp);
 186         return TRUE;
 187     }
 188     sgv->syms[insp].flags              = sym->Flags;
 189     sgv->syms[insp].sym_info           = sym->info;
 190     sgv->num++;
 191
 192     return TRUE;
 193 }
 194
 195 enum sym_get_lval symbol_picker_interactive(const char* name, const struct sgv_data* sgv,
 196                                             struct dbg_lvalue* rtn)
 197 {
 198     char        buffer[512];
 199     unsigned    i;
 200
 201     if (!dbg_interactiveP)
 202     {
 203         dbg_printf("More than one symbol named %s, picking the first one\n", name);
 204         *rtn = sgv->syms[0].lvalue;
 205         return sglv_found;
 206     }
 207
 208     dbg_printf("Many symbols with name '%s', "
 209                "choose the one you want (<cr> to abort):\n", name);
 210     for (i = 0; i < sgv->num; i++)
 211     {
 212         if (sgv->num - sgv->num_thunks > 1 && (sgv->syms[i].flags & SYMFLAG_THUNK) && !DBG_IVAR(AlwaysShowThunks))
 213             continue;
 214         dbg_printf("[%d]: ", i + 1);
 215         if (sgv->syms[i].flags & SYMFLAG_LOCAL)
 216         {
 217             dbg_printf("%s %sof %s\n",
 218                        sgv->syms[i].flags & SYMFLAG_PARAMETER ? "Parameter" : "Local variable",
 219                        sgv->syms[i].flags & (SYMFLAG_REGISTER|SYMFLAG_REGREL) ? "(in a register) " : "",
 220                        name);
 221         }
 222         else if (sgv->syms[i].flags & SYMFLAG_THUNK)
 223         {
 224             print_address(&sgv->syms[i].lvalue.addr, TRUE);
 225             /* FIXME: should display where the thunks points to */
 226             dbg_printf(" thunk %s\n", name);
 227         }
 228         else
 229         {
 230             print_address(&sgv->syms[i].lvalue.addr, TRUE);
 231             dbg_printf("\n");
 232         }
 233     }
 234     do
 235     {
 236         i = 0;
 237         if (input_read_line("=> ", buffer, sizeof(buffer)))
 238         {
 239             if (buffer[0] == '\0') return sglv_aborted;
 240             i = atoi(buffer);
 241             if (i < 1 || i > sgv->num)
 242                 dbg_printf("Invalid choice %d\n", i);
 243         }
 244         else return sglv_aborted;
 245     } while (i < 1 || i > sgv->num);
 246
 247     /* The array is 0-based, but the choices are 1..n,
 248      * so we have to subtract one before returning.
 249      */
 250     *rtn = sgv->syms[i - 1].lvalue;
 251     return sglv_found;
 252 }
 253
 254 enum sym_get_lval symbol_picker_scoped(const char* name, const struct sgv_data* sgv,
 255                                        struct dbg_lvalue* rtn)
 256 {
 257     unsigned i;
 258     int local = -1;
 259
 260     for (i = 0; i < sgv->num; i++)
 261     {
 262         if (sgv->num - sgv->num_thunks > 1 && (sgv->syms[i].flags & SYMFLAG_THUNK) && !DBG_IVAR(AlwaysShowThunks))
 263             continue;
 264         if (sgv->syms[i].flags & SYMFLAG_LOCAL)
 265         {
 266             if (local == -1)
 267                 local = i;
 268             else
 269             {
 270                 /* FIXME: several locals with same name... which one to pick ?? */
 271                 dbg_printf("Several local variables/parameters for %s, aborting\n", name);
 272                 return sglv_aborted;
 273             }
 274         }
 275     }
 276     if (local != -1)
 277     {
 278         *rtn = sgv->syms[local].lvalue;
 279         return sglv_found;
 280     }
 281     /* no locals found, multiple globals... abort for now */
 282     dbg_printf("Several global variables for %s, aborting\n", name);
 283     return sglv_aborted;
 284 }
 285
 286 symbol_picker_t symbol_current_picker = symbol_picker_interactive;
 287
 288 /***********************************************************************
 289  *           symbol_get_lvalue
 290  *
 291  * Get the address of a named symbol.
 292  * Return values:
 293  *      sglv_found:   if the symbol is found
 294  *      sglv_unknown: if the symbol isn't found
 295  *      sglv_aborted: some error occurred (likely, many symbols of same name exist,
 296  *          and user didn't pick one of them)
 297  */
 298 enum sym_get_lval symbol_get_lvalue(const char* name, const int lineno,
 299                                     struct dbg_lvalue* rtn, BOOL bp_disp)
 300 {
 301     struct sgv_data             sgv;
 302     int                         i;
 303     char                        buffer[512];
 304     DWORD                       opt;
 305     IMAGEHLP_STACK_FRAME        ihsf;
 306
 307     if (strlen(name) + 4 > sizeof(buffer))
 308     {
 309         WINE_WARN("Too long symbol (%s)\n", name);
 310         return sglv_unknown;
 311     }
 312
 313     sgv.num        = 0;
 314     sgv.num_thunks = 0;
 315     sgv.name       = &buffer[2];
 316     sgv.do_thunks  = DBG_IVAR(AlwaysShowThunks);
 317
 318     if (strchr(name, '!'))
 319     {
 320         strcpy(buffer, name);
 321     }
 322     else
 323     {
 324         buffer[0] = '*';
 325         buffer[1] = '!';
 326         strcpy(&buffer[2], name);
 327     }
 328
 329     /* this is a wine specific options to return also ELF modules in the
 330      * enumeration
 331      */
 332     SymSetOptions((opt = SymGetOptions()) | 0x40000000);
 333     SymEnumSymbols(dbg_curr_process->handle, 0, buffer, sgv_cb, (void*)&sgv);
 334
 335     if (!sgv.num)
 336     {
 337         const char*   ptr = strchr(name, '!');
 338         if ((ptr && ptr[1] != '_') || (!ptr && *name != '_'))
 339         {
 340             if (ptr)
 341             {
 342                 int offset = ptr - name;
 343                 memcpy(buffer, name, offset + 1);
 344                 buffer[offset + 1] = '_';
 345                 strcpy(&buffer[offset + 2], ptr + 1);
 346             }
 347             else
 348             {
 349                 buffer[0] = '*';
 350                 buffer[1] = '!';
 351                 buffer[2] = '_';
 352                 strcpy(&buffer[3], name);
 353             }
 354             SymEnumSymbols(dbg_curr_process->handle, 0, buffer, sgv_cb, (void*)&sgv);
 355         }
 356     }
 357     SymSetOptions(opt);
 358
 359     /* now grab local symbols */
 360     if (stack_get_current_frame(&ihsf) && sgv.num < NUMDBGV)
 361     {
 362         sgv.frame_offset = ihsf.FrameOffset;
 363         SymEnumSymbols(dbg_curr_process->handle, 0, name, sgv_cb, (void*)&sgv);
 364     }
 365
 366     if (!sgv.num)
 367     {
 368         dbg_printf("No symbols found for %s\n", name);
 369         return sglv_unknown;
 370     }
 371
 372     /* recompute potential offsets for functions (linenumber, skip prolog) */
 373     for (i = 0; i < sgv.num; i++)
 374     {
 375         if (sgv.syms[i].flags & (SYMFLAG_REGISTER|SYMFLAG_REGREL|SYMFLAG_LOCAL|SYMFLAG_THUNK))
 376             continue;
 377
 378         if (lineno == -1)
 379         {
 380             struct dbg_type     type;
 381             ULONG64             addr;
 382
 383             type.module = sgv.syms[i].lvalue.type.module;
 384             type.id     = sgv.syms[i].sym_info;
 385             if (bp_disp && symbol_get_debug_start(&type, &addr))
 386                 sgv.syms[i].lvalue.addr.Offset = addr;
 387         }
 388         else
 389         {
 390             DWORD               disp;
 391             IMAGEHLP_LINE       il;
 392             BOOL                found = FALSE;
 393
 394             il.SizeOfStruct = sizeof(il);
 395             SymGetLineFromAddr(dbg_curr_process->handle,
 396                                (DWORD)memory_to_linear_addr(&sgv.syms[i].lvalue.addr),
 397                                &disp, &il);
 398             do
 399             {
 400                 if (lineno == il.LineNumber)
 401                 {
 402                     sgv.syms[i].lvalue.addr.Offset = il.Address;
 403                     found = TRUE;
 404                     break;
 405                 }
 406             } while (SymGetLineNext(dbg_curr_process->handle, &il));
 407             if (!found)
 408                 WINE_FIXME("No line (%d) found for %s (setting to symbol start)\n",
 409                            lineno, name);
 410         }
 411     }
 412
 413     if (sgv.num - sgv.num_thunks > 1 || /* many symbols non thunks (and showing only non thunks) */
 414         (sgv.num > 1 && DBG_IVAR(AlwaysShowThunks)) || /* many symbols (showing symbols & thunks) */
 415         (sgv.num == sgv.num_thunks && sgv.num_thunks > 1))
 416     {
 417         return symbol_current_picker(name, &sgv, rtn);
 418     }
 419     /* first symbol is the one we want:
 420      * - only one symbol found,
 421      * - or many symbols but only one non thunk when AlwaysShowThunks is FALSE
 422      */
 423     *rtn = sgv.syms[0].lvalue;
 424     return sglv_found;
 425 }
 426
 427 BOOL symbol_is_local(const char* name)
 428 {
 429     struct sgv_data             sgv;
 430     IMAGEHLP_STACK_FRAME        ihsf;
 431
 432     sgv.num        = 0;
 433     sgv.num_thunks = 0;
 434     sgv.name       = name;
 435     sgv.do_thunks  = FALSE;
 436
 437     if (stack_get_current_frame(&ihsf))
 438     {
 439         sgv.frame_offset = ihsf.FrameOffset;
 440         SymEnumSymbols(dbg_curr_process->handle, 0, name, sgv_cb, (void*)&sgv);
 441     }
 442     return sgv.num > 0;
 443 }
 444
 445 /***********************************************************************
 446  *           symbol_read_symtable
 447  *
 448  * Read a symbol file into the hash table.
 449  */
 450 void symbol_read_symtable(const char* filename, unsigned long offset)
 451 {
 452     dbg_printf("No longer supported\n");
 453
 454 #if 0
 455 /* FIXME: have to implement SymAddSymbol in dbghelp, but likely we'll need to link
 456  * this with an already loaded module !!
 457  */
 458     FILE*       symbolfile;
 459     unsigned    addr;
 460     char        type;
 461     char*       cpnt;
 462     char        buffer[256];
 463     char        name[256];
 464
 465     if (!(symbolfile = fopen(filename, "r")))
 466     {
 467         WINE_WARN("Unable to open symbol table %s\n", filename);
 468         return;
 469     }
 470
 471     dbg_printf("Reading symbols from file %s\n", filename);
 472
 473     while (1)
 474     {
 475         fgets(buffer, sizeof(buffer), symbolfile);
 476         if (feof(symbolfile)) break;
 477
 478         /* Strip any text after a # sign (i.e. comments) */
 479         cpnt = strchr(buffer, '#');
 480         if (cpnt) *cpnt = '\0';
 481
 482         /* Quietly ignore any lines that have just whitespace */
 483         for (cpnt = buffer; *cpnt; cpnt++)
 484         {
 485             if (*cpnt != ' ' && *cpnt != '\t') break;
 486         }
 487         if (!*cpnt || *cpnt == '\n') continue;
 488
 489         if (sscanf(buffer, "%lx %c %s", &addr, &type, name) == 3)
 490         {
 491             if (value.addr.off + offset < value.addr.off)
 492                 WINE_WARN("Address wrap around\n");
 493             value.addr.off += offset;
 494             SymAddSymbol(current_process->handle, BaseOfDll,
 495                          name, addr, 0, 0);
 496         }
 497     }
 498     fclose(symbolfile);
 499 #endif
 500 }
 501
 502 /***********************************************************************
 503  *           symbol_get_function_line_status
 504  *
 505  * Find the symbol nearest to a given address.
 506  */
 507 enum dbg_line_status symbol_get_function_line_status(const ADDRESS64* addr)
 508 {
 509     IMAGEHLP_LINE       il;
 510     DWORD               disp;
 511     ULONG64             disp64, start;
 512     DWORD               lin = (DWORD)memory_to_linear_addr(addr);
 513     char                buffer[sizeof(SYMBOL_INFO) + 256];
 514     SYMBOL_INFO*        sym = (SYMBOL_INFO*)buffer;
 515     struct dbg_type     func;
 516
 517     il.SizeOfStruct = sizeof(il);
 518     sym->SizeOfStruct = sizeof(SYMBOL_INFO);
 519     sym->MaxNameLen = sizeof(buffer) - sizeof(SYMBOL_INFO);
 520
 521     /* do we have some info for lin address ? */
 522     if (!SymFromAddr(dbg_curr_process->handle, lin, &disp64, sym))
 523         return dbg_no_line_info;
 524
 525     switch (sym->Tag)
 526     {
 527     case SymTagThunk:
 528         /* FIXME: so far dbghelp doesn't return the 16 <=> 32 thunks
 529          * and furthermore, we no longer take care of them !!!
 530          */
 531         return dbg_in_a_thunk;
 532     case SymTagFunction:
 533     case SymTagPublicSymbol: break;
 534     default:
 535         WINE_FIXME("Unexpected sym-tag 0x%08x\n", sym->Tag);
 536     case SymTagData:
 537         return dbg_no_line_info;
 538     }
 539     /* we should have a function now */
 540     if (!SymGetLineFromAddr(dbg_curr_process->handle, lin, &disp, &il))
 541         return dbg_no_line_info;
 542
 543     func.module = sym->ModBase;
 544     func.id     = sym->info;
 545
 546     if (symbol_get_debug_start(&func, &start) && lin < start)
 547         return dbg_not_on_a_line_number;
 548
 549     if (!sym->Size) sym->Size = 0x100000;
 550     if (il.FileName && il.FileName[0] && disp < sym->Size)
 551         return (disp == 0) ? dbg_on_a_line_number : dbg_not_on_a_line_number;
 552
 553     return dbg_no_line_info;
 554 }
 555
 556 /***********************************************************************
 557  *           symbol_get_line
 558  *
 559  * Find the symbol nearest to a given address.
 560  * Returns sourcefile name and line number in a format that the listing
 561  * handler can deal with.
 562  */
 563 BOOL symbol_get_line(const char* filename, const char* name, IMAGEHLP_LINE* line)
 564 {
 565     struct sgv_data     sgv;
 566     char                buffer[512];
 567     DWORD               opt, disp, linear;
 568     unsigned            i, found = FALSE;
 569     IMAGEHLP_LINE       il;
 570
 571     sgv.num        = 0;
 572     sgv.num_thunks = 0;
 573     sgv.name       = &buffer[2];
 574     sgv.do_thunks  = FALSE;
 575
 576     buffer[0] = '*';
 577     buffer[1] = '!';
 578     strcpy(&buffer[2], name);
 579
 580     /* this is a wine specific options to return also ELF modules in the
 581      * enumeration
 582      */
 583     SymSetOptions((opt = SymGetOptions()) | 0x40000000);
 584     if (!SymEnumSymbols(dbg_curr_process->handle, 0, buffer, sgv_cb, (void*)&sgv))
 585     {
 586         SymSetOptions(opt);
 587         return FALSE;
 588     }
 589
 590     if (!sgv.num && (name[0] != '_'))
 591     {
 592         buffer[2] = '_';
 593         strcpy(&buffer[3], name);
 594         if (!SymEnumSymbols(dbg_curr_process->handle, 0, buffer, sgv_cb, (void*)&sgv))
 595         {
 596             SymSetOptions(opt);
 597             return FALSE;
 598         }
 599     }
 600     SymSetOptions(opt);
 601
 602     for (i = 0; i < sgv.num; i++)
 603     {
 604         linear = (DWORD)memory_to_linear_addr(&sgv.syms[i].lvalue.addr);
 605
 606         il.SizeOfStruct = sizeof(il);
 607         if (!SymGetLineFromAddr(dbg_curr_process->handle, linear, &disp, &il))
 608             continue;
 609         if (filename && strcmp(line->FileName, filename)) continue;
 610         if (found)
 611         {
 612             WINE_FIXME("Several found, returning first (may not be what you want)...\n");
 613             break;
 614         }
 615         found = TRUE;
 616         *line = il;
 617     }
 618     if (!found)
 619     {
 620         if (filename)   dbg_printf("No such function %s in %s\n", name, filename);
 621         else            dbg_printf("No such function %s\n", name);
 622         return FALSE;
 623     }
 624     return TRUE;
 625 }
 626
 627 /******************************************************************
 628  *              symbol_print_local
 629  *
 630  * Overall format is:
 631  * <name>=<value>                       in non detailed form
 632  * <name>=<value> (local|pmt <where>)   in detailed form
 633  * Note <value> can be an error message in case of error
 634  */
 635 void symbol_print_local(const SYMBOL_INFO* sym, ULONG base,
 636                         BOOL detailed)
 637 {
 638     struct dbg_lvalue   lvalue;
 639     char                buffer[64];
 640
 641     dbg_printf("%s=", sym->Name);
 642
 643     if (fill_sym_lvalue(sym, base, &lvalue, buffer, sizeof(buffer)))
 644     {
 645         print_value(&lvalue, 0, 1);
 646         if (detailed)
 647             dbg_printf(" (%s%s)",
 648                        (sym->Flags & SYMFLAG_PARAMETER) ? "parameter" : "local",
 649                        buffer);
 650     }
 651     else
 652     {
 653         dbg_printf("%s", buffer);
 654         if (detailed)
 655             dbg_printf(" (%s)",
 656                        (sym->Flags & SYMFLAG_PARAMETER) ? "parameter" : "local");
 657     }
 658 }
 659
 660 static BOOL CALLBACK info_locals_cb(PSYMBOL_INFO sym, ULONG size, PVOID ctx)
 661 {
 662     struct dbg_type     type;
 663
 664     dbg_printf("\t");
 665     type.module = sym->ModBase;
 666     type.id = sym->TypeIndex;
 667     types_print_type(&type, FALSE);
 668
 669     dbg_printf(" ");
 670     symbol_print_local(sym, (ULONG)ctx, TRUE);
 671     dbg_printf("\n");
 672
 673     return TRUE;
 674 }
 675
 676 int symbol_info_locals(void)
 677 {
 678     IMAGEHLP_STACK_FRAME        ihsf;
 679     ADDRESS64                   addr;
 680
 681     stack_get_current_frame(&ihsf);
 682     addr.Mode = AddrModeFlat;
 683     addr.Offset = ihsf.InstructionOffset;
 684     print_address(&addr, FALSE);
 685     dbg_printf(": (%08lx)\n", (DWORD_PTR)ihsf.FrameOffset);
 686     SymEnumSymbols(dbg_curr_process->handle, 0, NULL, info_locals_cb, (void*)(DWORD_PTR)ihsf.FrameOffset);
 687
 688     return TRUE;
 689
 690 }
 691
 692 static BOOL CALLBACK symbols_info_cb(PSYMBOL_INFO sym, ULONG size, PVOID ctx)
 693 {
 694     struct dbg_type     type;
 695     IMAGEHLP_MODULE     mi;
 696
 697     mi.SizeOfStruct = sizeof(mi);
 698
 699     if (!SymGetModuleInfo(dbg_curr_process->handle, sym->ModBase, &mi))
 700         mi.ModuleName[0] = '\0';
 701     else
 702     {
 703         size_t  len = strlen(mi.ModuleName);
 704         if (len > 5 && !strcmp(mi.ModuleName + len - 5, "<elf>"))
 705             mi.ModuleName[len - 5] = '\0';
 706     }
 707
 708     dbg_printf("%08lx: %s!%s", (ULONG_PTR)sym->Address, mi.ModuleName, sym->Name);
 709     type.id = sym->TypeIndex;
 710     type.module = sym->ModBase;
 711
 712     if (sym->TypeIndex != dbg_itype_none && sym->TypeIndex != 0)
 713     {
 714         dbg_printf(" ");
 715         types_print_type(&type, FALSE);
 716     }
 717     dbg_printf("\n");
 718     return TRUE;
 719 }
 720
 721 void symbol_info(const char* str)
 722 {
 723     char        buffer[512];
 724     DWORD       opt;
 725
 726     if (strlen(str) + 3 >= sizeof(buffer))
 727     {
 728         dbg_printf("Symbol too long (%s)\n", str);
 729         return;
 730     }
 731     buffer[0] = '*';
 732     buffer[1] = '!';
 733     strcpy(&buffer[2], str);
 734     /* this is a wine specific options to return also ELF modules in the
 735      * enumeration
 736      */
 737     SymSetOptions((opt = SymGetOptions()) | 0x40000000);
 738     SymEnumSymbols(dbg_curr_process->handle, 0, buffer, symbols_info_cb, NULL);
 739     SymSetOptions(opt);
 740 }