programs/winedbg/symbol.c

   1 /*
   2  * Generate hash tables for Wine debugger symbols
   3  *
   4  * Copyright (C) 1993, Eric Youngdale.
   5  *               2004, 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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(DWORD mod_base, DWORD typeid, 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             type;
  42
  43     type.module = mod_base;
  44     type.id = typeid;
  45
  46     if (!types_get_info(&type, TI_GET_CHILDRENCOUNT, &count)) return FALSE;
  47     fcp->Start = 0;
  48     while (count)
  49     {
  50         fcp->Count = min(count, 256);
  51         if (types_get_info(&type, TI_FINDCHILDREN, fcp))
  52         {
  53             for (i = 0; i < min(fcp->Count, count); i++)
  54             {
  55                 type.id = fcp->ChildId[i];
  56                 types_get_info(&type, TI_GET_SYMTAG, &tag);
  57                 if (tag != SymTagFuncDebugStart) continue;
  58                 return types_get_info(&type, TI_GET_ADDRESS, start);
  59             }
  60             count -= min(count, 256);
  61             fcp->Start += 256;
  62         }
  63     }
  64     return FALSE;
  65 }
  66
  67 struct sgv_data
  68 {
  69 #define NUMDBGV                 100
  70     struct
  71     {
  72         /* FIXME: NUMDBGV should be made variable */
  73         struct dbg_lvalue               lvalue;
  74         DWORD                           flags;
  75     }                           syms[NUMDBGV];  /* out     : will be filled in with various found symbols */
  76     int                         num;            /* out     : number of found symbols */
  77     int                         num_thunks;     /* out     : number of thunks found */
  78     const char*                 name;           /* in      : name of symbol to look up */
  79     const char*                 filename;       /* in (opt): filename where to look up symbol */
  80     int                         lineno;         /* in (opt): line number in filename where to look up symbol */
  81     unsigned                    bp_disp : 1,    /* in      : whether if we take into account func address or func first displayable insn */
  82                                 do_thunks : 1;  /* in      : whether we return thunks tags */
  83     ULONG64                     frame_offset;   /* in      : frame for local & parameter variables look up */
  84 };
  85
  86 static BOOL CALLBACK sgv_cb(SYMBOL_INFO* sym, ULONG size, void* ctx)
  87 {
  88     struct sgv_data*    sgv = (struct sgv_data*)ctx;
  89     ULONG64             addr;
  90     IMAGEHLP_LINE       il;
  91     unsigned            cookie = DLV_TARGET, insp;
  92
  93     if (sym->Flags & SYMFLAG_REGISTER)
  94     {
  95         const struct dbg_internal_var*  div;
  96
  97         if (dbg_curr_thread->curr_frame != 0)
  98         {
  99             dbg_printf(" %s (register): << cannot display, not in correct frame\n",
 100                        sym->Name);
 101             return TRUE;
 102         }
 103         for (div = dbg_context_vars; div->name && div->val != sym->Register; div++);
 104         if (!div->name)
 105         {
 106             dbg_printf(" %s (register): couldn't find register %lu\n",
 107                        sym->Name, sym->Register);
 108             return TRUE;
 109         }
 110         addr = (ULONG64)(DWORD_PTR)div->pval;
 111         cookie = DLV_HOST;
 112     }
 113     else if (sym->Flags & SYMFLAG_LOCAL) /* covers both local & parameters */
 114     {
 115         addr = sgv->frame_offset + sym->Address;
 116     }
 117     else if (sym->Flags & SYMFLAG_THUNK)
 118     {
 119         if (!sgv->do_thunks) return TRUE;
 120         sgv->num_thunks++;
 121         addr = sym->Address;
 122     }
 123     else
 124     {
 125         DWORD disp;
 126         il.SizeOfStruct = sizeof(il);
 127         SymGetLineFromAddr(dbg_curr_process->handle, sym->Address, &disp, &il);
 128         if (sgv->filename && strcmp(sgv->filename, il.FileName))
 129         {
 130             WINE_FIXME("File name mismatch (%s / %s)\n", sgv->filename, il.FileName);
 131             return TRUE;
 132         }
 133
 134         if (sgv->lineno == -1)
 135         {
 136             if (!sgv->bp_disp ||
 137                 !symbol_get_debug_start(sym->ModBase, sym->TypeIndex, &addr))
 138                 addr = sym->Address;
 139         }
 140         else
 141         {
 142             addr = 0;
 143             do
 144             {
 145                 if (sgv->lineno == il.LineNumber)
 146                 {
 147                     addr = il.Address;
 148                     break;
 149                 }
 150             } while (SymGetLineNext(dbg_curr_process->handle, &il));
 151             if (!addr)
 152             {
 153                 WINE_FIXME("No line (%d) found for %s (setting to symbol)\n",
 154                            sgv->lineno, sgv->name);
 155                 addr = sym->Address;
 156             }
 157         }
 158     }
 159
 160     if (sgv->num >= NUMDBGV)
 161     {
 162         dbg_printf("Too many addresses for symbol '%s', limiting the first %d\n",
 163                    sgv->name, NUMDBGV);
 164         return FALSE;
 165     }
 166     WINE_TRACE("==> %s %s%s%s%s%s%s%s\n",
 167                sym->Name,
 168                (sym->Flags & SYMFLAG_FUNCTION) ? "func " : "",
 169                (sym->Flags & SYMFLAG_FRAMEREL) ? "framerel " : "",
 170                (sym->Flags & SYMFLAG_REGISTER) ? "register " : "",
 171                (sym->Flags & SYMFLAG_REGREL) ? "regrel " : "",
 172                (sym->Flags & SYMFLAG_PARAMETER) ? "param " : "",
 173                (sym->Flags & SYMFLAG_LOCAL) ? "local " : "",
 174                (sym->Flags & SYMFLAG_THUNK) ? "thunk " : "");
 175
 176     /* always keep the thunks at end of the array */
 177     insp = sgv->num;
 178     if (sgv->num_thunks && !(sym->Flags & SYMFLAG_THUNK))
 179     {
 180         insp -= sgv->num_thunks;
 181         memmove(&sgv->syms[insp + 1], &sgv->syms[insp],
 182                 sizeof(sgv->syms[0]) * sgv->num_thunks);
 183     }
 184     sgv->syms[insp].lvalue.cookie      = cookie;
 185     sgv->syms[insp].lvalue.addr.Mode   = AddrModeFlat;
 186     sgv->syms[insp].lvalue.addr.Offset = addr;
 187     sgv->syms[insp].lvalue.type.module = sym->ModBase;
 188     sgv->syms[insp].lvalue.type.id = sym->TypeIndex;
 189     types_get_info(&sgv->syms[insp].lvalue.type, TI_GET_TYPE,
 190                    &sgv->syms[insp].lvalue.type.id);
 191     sgv->syms[insp].flags              = sym->Flags;
 192     sgv->num++;
 193
 194     return TRUE;
 195 }
 196
 197 /***********************************************************************
 198  *           symbol_get_lvalue
 199  *
 200  * Get the address of a named symbol.
 201  * Return values:
 202  *      sglv_found:   if the symbol is found
 203  *      sglv_unknown: if the symbol isn't found
 204  *      sglv_aborted: some error occurred (likely, many symbols of same name exist,
 205  *          and user didn't pick one of them)
 206  */
 207 enum sym_get_lval symbol_get_lvalue(const char* name, const int lineno,
 208                                     struct dbg_lvalue* rtn, BOOL bp_disp)
 209 {
 210     struct sgv_data             sgv;
 211     int                         i = 0;
 212     char                        buffer[512];
 213     DWORD                       opt;
 214     IMAGEHLP_STACK_FRAME        ihsf;
 215
 216     if (strlen(name) + 4 > sizeof(buffer))
 217     {
 218         WINE_WARN("Too long symbol (%s)\n", name);
 219         return sglv_unknown;
 220     }
 221
 222     sgv.num        = 0;
 223     sgv.num_thunks = 0;
 224     sgv.name       = &buffer[2];
 225     sgv.filename   = NULL;
 226     sgv.lineno     = lineno;
 227     sgv.bp_disp    = bp_disp ? TRUE : FALSE;
 228     sgv.do_thunks  = DBG_IVAR(AlwaysShowThunks);
 229
 230     if (strchr(name, '!'))
 231     {
 232         strcpy(buffer, name);
 233     }
 234     else
 235     {
 236         buffer[0] = '*';
 237         buffer[1] = '!';
 238         strcpy(&buffer[2], name);
 239     }
 240
 241     /* this is a wine specific options to return also ELF modules in the
 242      * enumeration
 243      */
 244     SymSetOptions((opt = SymGetOptions()) | 0x40000000);
 245     if (!SymEnumSymbols(dbg_curr_process->handle, 0, buffer, sgv_cb, (void*)&sgv))
 246     {
 247         SymSetOptions(opt);
 248         return sglv_unknown;
 249     }
 250
 251     if (!sgv.num && (name[0] != '_'))
 252     {
 253         char*   ptr = strchr(name, '!');
 254
 255         if (ptr++)
 256         {
 257             memmove(ptr + 1, ptr, strlen(ptr));
 258             *ptr = '_';
 259         }
 260         else
 261         {
 262             buffer[0] = '*';
 263             buffer[1] = '!';
 264             buffer[2] = '_';
 265             strcpy(&buffer[3], name);
 266         }
 267         if (!SymEnumSymbols(dbg_curr_process->handle, 0, buffer, sgv_cb, (void*)&sgv))
 268         {
 269             SymSetOptions(opt);
 270             return sglv_unknown;
 271         }
 272     }
 273     SymSetOptions(opt);
 274
 275     /* now grab local symbols */
 276     if (stack_get_current_frame(&ihsf) && sgv.num < NUMDBGV)
 277     {
 278         sgv.frame_offset = ihsf.FrameOffset;
 279         SymEnumSymbols(dbg_curr_process->handle, 0, name, sgv_cb, (void*)&sgv);
 280     }
 281
 282     if (!sgv.num)
 283     {
 284         dbg_printf("No symbols found for %s\n", name);
 285         return sglv_unknown;
 286     }
 287
 288     if (dbg_interactiveP)
 289     {
 290         if (sgv.num - sgv.num_thunks > 1 || /* many symbols non thunks (and showing only non thunks) */
 291             (sgv.num > 1 && DBG_IVAR(AlwaysShowThunks)) || /* many symbols (showing symbols & thunks) */
 292             (sgv.num == sgv.num_thunks && sgv.num_thunks > 1))
 293         {
 294             dbg_printf("Many symbols with name '%s', "
 295                        "choose the one you want (<cr> to abort):\n", name);
 296             for (i = 0; i < sgv.num; i++)
 297             {
 298                 if (sgv.num - sgv.num_thunks > 1 && (sgv.syms[i].flags & SYMFLAG_THUNK) && !DBG_IVAR(AlwaysShowThunks))
 299                     continue;
 300                 dbg_printf("[%d]: ", i + 1);
 301                 if (sgv.syms[i].flags & SYMFLAG_LOCAL)
 302                 {
 303                     dbg_printf("%s %sof %s\n",
 304                                sgv.syms[i].flags & SYMFLAG_PARAMETER ? "Parameter" : "Local variable",
 305                                sgv.syms[i].flags & (SYMFLAG_REGISTER|SYMFLAG_REGREL) ? "(in a register) " : "",
 306                                name);
 307                 }
 308                 else if (sgv.syms[i].flags & SYMFLAG_THUNK)
 309                 {
 310                     print_address(&sgv.syms[i].lvalue.addr, TRUE);
 311                     /* FIXME: should display where the thunks points to */
 312                     dbg_printf(" thunk %s\n", name);
 313                 }
 314                 else
 315                 {
 316                     print_address(&sgv.syms[i].lvalue.addr, TRUE);
 317                     dbg_printf("\n");
 318                 }
 319             }
 320             do
 321             {
 322                 i = 0;
 323                 if (input_read_line("=> ", buffer, sizeof(buffer)))
 324                 {
 325                     if (buffer[0] == '\0') return sglv_aborted;
 326                     i = atoi(buffer);
 327                     if (i < 1 || i > sgv.num)
 328                         dbg_printf("Invalid choice %d\n", i);
 329                 }
 330             } while (i < 1 || i > sgv.num);
 331
 332             /* The array is 0-based, but the choices are 1..n,
 333              * so we have to subtract one before returning.
 334              */
 335             i--;
 336         }
 337     }
 338     else
 339     {
 340         /* FIXME: could display the list of non-picked up symbols */
 341         if (sgv.num > 1)
 342             dbg_printf("More than one symbol named %s, picking the first one\n", name);
 343     }
 344     *rtn = sgv.syms[i].lvalue;
 345     return sglv_found;
 346 }
 347
 348 BOOL symbol_is_local(const char* name)
 349 {
 350     struct sgv_data             sgv;
 351     IMAGEHLP_STACK_FRAME        ihsf;
 352
 353     sgv.num        = 0;
 354     sgv.num_thunks = 0;
 355     sgv.name       = name;
 356     sgv.filename   = NULL;
 357     sgv.lineno     = 0;
 358     sgv.bp_disp    = FALSE;
 359     sgv.do_thunks  = FALSE;
 360
 361     if (stack_get_current_frame(&ihsf))
 362     {
 363         sgv.frame_offset = ihsf.FrameOffset;
 364         SymEnumSymbols(dbg_curr_process->handle, 0, name, sgv_cb, (void*)&sgv);
 365     }
 366     return sgv.num > 0;
 367 }
 368
 369 /***********************************************************************
 370  *           symbol_read_symtable
 371  *
 372  * Read a symbol file into the hash table.
 373  */
 374 void symbol_read_symtable(const char* filename, unsigned long offset)
 375 {
 376     dbg_printf("No longer supported\n");
 377
 378 #if 0
 379 /* FIXME: have to implement SymAddSymbol in dbghelp, but likely we'll need to link
 380  * this with an already loaded module !!
 381  */
 382     FILE*       symbolfile;
 383     unsigned    addr;
 384     char        type;
 385     char*       cpnt;
 386     char        buffer[256];
 387     char        name[256];
 388
 389     if (!(symbolfile = fopen(filename, "r")))
 390     {
 391         WINE_WARN("Unable to open symbol table %s\n", filename);
 392         return;
 393     }
 394
 395     dbg_printf("Reading symbols from file %s\n", filename);
 396
 397     while (1)
 398     {
 399         fgets(buffer, sizeof(buffer), symbolfile);
 400         if (feof(symbolfile)) break;
 401
 402         /* Strip any text after a # sign (i.e. comments) */
 403         cpnt = strchr(buffer, '#');
 404         if (cpnt) *cpnt = '\0';
 405
 406         /* Quietly ignore any lines that have just whitespace */
 407         for (cpnt = buffer; *cpnt; cpnt++)
 408         {
 409             if (*cpnt != ' ' && *cpnt != '\t') break;
 410         }
 411         if (!*cpnt || *cpnt == '\n') continue;
 412
 413         if (sscanf(buffer, "%lx %c %s", &addr, &type, name) == 3)
 414         {
 415             if (value.addr.off + offset < value.addr.off)
 416                 WINE_WARN("Address wrap around\n");
 417             value.addr.off += offset;
 418             SymAddSymbol(current_process->handle, BaseOfDll,
 419                          name, addr, 0, 0);
 420         }
 421     }
 422     fclose(symbolfile);
 423 #endif
 424 }
 425
 426 /***********************************************************************
 427  *           symbol_get_function_line_status
 428  *
 429  * Find the symbol nearest to a given address.
 430  */
 431 enum dbg_line_status symbol_get_function_line_status(const ADDRESS* addr)
 432 {
 433     IMAGEHLP_LINE       il;
 434     DWORD               disp;
 435     ULONG64             disp64, start, size;
 436     DWORD               lin = (DWORD)memory_to_linear_addr(addr);
 437     char                buffer[sizeof(SYMBOL_INFO) + 256];
 438     SYMBOL_INFO*        sym = (SYMBOL_INFO*)buffer;
 439     struct dbg_type     type;
 440
 441     il.SizeOfStruct = sizeof(il);
 442     sym->SizeOfStruct = sizeof(SYMBOL_INFO);
 443     sym->MaxNameLen = sizeof(buffer) - sizeof(SYMBOL_INFO);
 444
 445     /* do we have some info for lin address ? */
 446     if (!SymFromAddr(dbg_curr_process->handle, lin, &disp64, sym))
 447         return dbg_no_line_info;
 448
 449     switch (sym->Tag)
 450     {
 451     case SymTagThunk:
 452         /* FIXME: so far dbghelp doesn't return the 16 <=> 32 thunks
 453          * and furthermore, we no longer take care of them !!!
 454          */
 455         return dbg_in_a_thunk;
 456     case SymTagFunction:
 457     case SymTagPublicSymbol: break;
 458     default:
 459         WINE_FIXME("Unexpected sym-tag 0x%08lx\n", sym->Tag);
 460     case SymTagData:
 461         return dbg_no_line_info;
 462     }
 463     /* we should have a function now */
 464     if (!SymGetLineFromAddr(dbg_curr_process->handle, lin, &disp, &il))
 465         return dbg_no_line_info;
 466
 467     if (symbol_get_debug_start(sym->ModBase, sym->TypeIndex, &start) && lin < start)
 468         return dbg_not_on_a_line_number;
 469     type.module = sym->ModBase;
 470     type.id = sym->TypeIndex;
 471     if (!types_get_info(&type, TI_GET_LENGTH, &size) || size == 0)
 472         size = 0x100000;
 473     if (il.FileName && il.FileName[0] && disp < size)
 474         return (disp == 0) ? dbg_on_a_line_number : dbg_not_on_a_line_number;
 475
 476     return dbg_no_line_info;
 477 }
 478
 479 /***********************************************************************
 480  *           symbol_get_line
 481  *
 482  * Find the symbol nearest to a given address.
 483  * Returns sourcefile name and line number in a format that the listing
 484  * handler can deal with.
 485  */
 486 BOOL symbol_get_line(const char* filename, const char* name, IMAGEHLP_LINE* line)
 487 {
 488     struct sgv_data     sgv;
 489     char                buffer[512];
 490     DWORD               opt, disp;
 491
 492     sgv.num        = 0;
 493     sgv.num_thunks = 0;
 494     sgv.name       = &buffer[2];
 495     sgv.filename   = filename;
 496     sgv.lineno     = -1;
 497     sgv.bp_disp    = FALSE;
 498     sgv.do_thunks  = FALSE;
 499
 500     buffer[0] = '*';
 501     buffer[1] = '!';
 502     strcpy(&buffer[2], name);
 503
 504     /* this is a wine specific options to return also ELF modules in the
 505      * enumeration
 506      */
 507     SymSetOptions((opt = SymGetOptions()) | 0x40000000);
 508     if (!SymEnumSymbols(dbg_curr_process->handle, 0, buffer, sgv_cb, (void*)&sgv))
 509     {
 510         SymSetOptions(opt);
 511         return sglv_unknown;
 512     }
 513
 514     if (!sgv.num && (name[0] != '_'))
 515     {
 516         buffer[2] = '_';
 517         strcpy(&buffer[3], name);
 518         if (!SymEnumSymbols(dbg_curr_process->handle, 0, buffer, sgv_cb, (void*)&sgv))
 519         {
 520             SymSetOptions(opt);
 521             return sglv_unknown;
 522         }
 523     }
 524     SymSetOptions(opt);
 525
 526     switch (sgv.num)
 527     {
 528     case 0:
 529         if (filename)   dbg_printf("No such function %s in %s\n", name, filename);
 530         else            dbg_printf("No such function %s\n", name);
 531         return FALSE;
 532     default:
 533         WINE_FIXME("Several found, returning first (may not be what you want)...\n");
 534     case 1:
 535         return SymGetLineFromAddr(dbg_curr_process->handle,
 536                                   (DWORD)memory_to_linear_addr(&sgv.syms[0].lvalue.addr),
 537                                   &disp, line);
 538     }
 539     return TRUE;
 540 }
 541
 542 static BOOL CALLBACK info_locals_cb(SYMBOL_INFO* sym, ULONG size, void* ctx)
 543 {
 544     ULONG               v, val;
 545     const char*         explain = NULL;
 546     char                buf[128];
 547     struct dbg_type     type;
 548
 549     dbg_printf("\t");
 550     type.module = sym->ModBase;
 551     type.id = sym->TypeIndex;
 552     types_get_info(&type, TI_GET_TYPE, &type.id);
 553     types_print_type(&type, FALSE);
 554
 555     if (sym->Flags & SYMFLAG_PARAMETER) explain = "parameter";
 556     else if (sym->Flags & SYMFLAG_LOCAL) explain = "local";
 557     else if (sym->Flags & SYMFLAG_REGISTER) explain = buf;
 558
 559     if (sym->Flags & SYMFLAG_REGISTER)
 560     {
 561         const struct dbg_internal_var*  div;
 562
 563         if (dbg_curr_thread->curr_frame != 0)
 564         {
 565             dbg_printf(" %s (register): << cannot display, not in correct frame\n",
 566                        sym->Name);
 567             return TRUE;
 568         }
 569         for (div = dbg_context_vars; div->name; div++)
 570         {
 571             if (div->val == sym->Register)
 572             {
 573                 val = *div->pval;
 574                 sprintf(buf, "local in register %s", div->name);
 575                 break;
 576             }
 577         }
 578     }
 579     else if (sym->Flags & SYMFLAG_LOCAL)
 580     {
 581         type.id = sym->TypeIndex;
 582         v = (ULONG)ctx + sym->Address;
 583
 584         if (!dbg_read_memory((void*)v, &val, sizeof(val)))
 585         {
 586             dbg_printf(" %s (%s) *** cannot read value at 0x%08lx\n", sym->Name, explain, v);
 587             return TRUE;
 588         }
 589     }
 590     dbg_printf(" %s = 0x%8.8lx (%s)\n", sym->Name, val, explain);
 591
 592     return TRUE;
 593 }
 594
 595 int symbol_info_locals(void)
 596 {
 597     IMAGEHLP_STACK_FRAME        ihsf;
 598     ADDRESS                     addr;
 599
 600     stack_get_current_frame(&ihsf);
 601     addr.Mode = AddrModeFlat;
 602     addr.Offset = ihsf.InstructionOffset;
 603     print_address(&addr, FALSE);
 604     dbg_printf(": (%08lx)\n", (DWORD_PTR)ihsf.FrameOffset);
 605     SymEnumSymbols(dbg_curr_process->handle, 0, NULL, info_locals_cb, (void*)(DWORD_PTR)ihsf.FrameOffset);
 606
 607     return TRUE;
 608
 609 }
 610
 611 static BOOL CALLBACK symbols_info_cb(SYMBOL_INFO* sym, ULONG size, void* ctx)
 612 {
 613     struct dbg_type     type;
 614     IMAGEHLP_MODULE     mi;
 615
 616     mi.SizeOfStruct = sizeof(mi);
 617
 618     if (!SymGetModuleInfo(dbg_curr_process->handle, sym->ModBase, &mi))
 619         mi.ModuleName[0] = '\0';
 620     else
 621     {
 622         size_t  len = strlen(mi.ModuleName);
 623         if (len > 5 && !strcmp(mi.ModuleName + len - 5, "<elf>"))
 624             mi.ModuleName[len - 5] = '\0';
 625     }
 626
 627     dbg_printf("%08lx: %s!%s", (ULONG_PTR)sym->Address, mi.ModuleName, sym->Name);
 628     type.id = sym->TypeIndex;
 629     type.module = sym->ModBase;
 630
 631     if (sym->TypeIndex != dbg_itype_none && sym->TypeIndex != 0 &&
 632         types_get_info(&type, TI_GET_TYPE, &type.id))
 633     {
 634         dbg_printf(" ");
 635         types_print_type(&type, FALSE);
 636     }
 637     dbg_printf("\n");
 638     return TRUE;
 639 }
 640
 641 void symbol_info(const char* str)
 642 {
 643     char        buffer[512];
 644     DWORD       opt;
 645
 646     if (strlen(str) + 3 >= sizeof(buffer))
 647     {
 648         dbg_printf("Symbol too long (%s)\n", str);
 649         return;
 650     }
 651     buffer[0] = '*';
 652     buffer[1] = '!';
 653     strcpy(&buffer[2], str);
 654     /* this is a wine specific options to return also ELF modules in the
 655      * enumeration
 656      */
 657     SymSetOptions((opt = SymGetOptions()) | 0x40000000);
 658     SymEnumSymbols(dbg_curr_process->handle, 0, buffer, symbols_info_cb, NULL);
 659     SymSetOptions(opt);
 660 }