git.oblomov.eu Git - wine/blob - dlls/dbghelp/msc.c

   1 /*
   2  * File msc.c - read VC++ debug information from COFF and eventually
   3  * from PDB files.
   4  *
   5  * Copyright (C) 1996,      Eric Youngdale.
   6  * Copyright (C) 1999-2000, Ulrich Weigand.
   7  * Copyright (C) 2004,      Eric Pouech.
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 /*
  25  * Note - this handles reading debug information for 32 bit applications
  26  * that run under Windows-NT for example.  I doubt that this would work well
  27  * for 16 bit applications, but I don't think it really matters since the
  28  * file format is different, and we should never get in here in such cases.
  29  *
  30  * TODO:
  31  *      Get 16 bit CV stuff working.
  32  *      Add symbol size to internal symbol table.
  33  */
  34
  35 #include "config.h"
  36 #include "wine/port.h"
  37
  38 #include <assert.h>
  39 #include <stdio.h>
  40 #include <stdlib.h>
  41
  42 #include <string.h>
  43 #ifdef HAVE_UNISTD_H
  44 # include <unistd.h>
  45 #endif
  46 #ifndef PATH_MAX
  47 #define PATH_MAX MAX_PATH
  48 #endif
  49 #include <stdarg.h>
  50 #include "windef.h"
  51 #include "winbase.h"
  52 #include "winreg.h"
  53 #include "winternl.h"
  54
  55 #include "wine/exception.h"
  56 #include "wine/debug.h"
  57 #include "excpt.h"
  58 #include "dbghelp_private.h"
  59 #include "mscvpdb.h"
  60
  61 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
  62
  63 #define MAX_PATHNAME_LEN 1024
  64
  65 /*========================================================================
  66  * Debug file access helper routines
  67  */
  68
  69 static WINE_EXCEPTION_FILTER(page_fault)
  70 {
  71     if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
  72         return EXCEPTION_EXECUTE_HANDLER;
  73     return EXCEPTION_CONTINUE_SEARCH;
  74 }
  75
  76 static void dump(const void* ptr, unsigned len)
  77 {
  78     int         i, j;
  79     BYTE        msg[128];
  80     const char* hexof = "0123456789abcdef";
  81     const BYTE* x = (const BYTE*)ptr;
  82
  83     for (i = 0; i < len; i += 16)
  84     {
  85         sprintf(msg, "%08x: ", i);
  86         memset(msg + 10, ' ', 3 * 16 + 1 + 16);
  87         for (j = 0; j < min(16, len - i); j++)
  88         {
  89             msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
  90             msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
  91             msg[10 + 3 * j + 2] = ' ';
  92             msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
  93                 x[i + j] : '.';
  94         }
  95         msg[10 + 3 * 16] = ' ';
  96         msg[10 + 3 * 16 + 1 + 16] = '\0';
  97         FIXME("%s\n", msg);
  98     }
  99 }
 100
 101 /*========================================================================
 102  * Process CodeView type information.
 103  */
 104
 105 #define MAX_BUILTIN_TYPES       0x0480
 106 #define FIRST_DEFINABLE_TYPE    0x1000
 107
 108 static struct symt*     cv_basic_types[MAX_BUILTIN_TYPES];
 109
 110 #define SymTagCVBitField        (SymTagMax + 0x100)
 111 struct codeview_bitfield
 112 {
 113     struct symt         symt;
 114     unsigned            subtype;
 115     unsigned            bitposition;
 116     unsigned            bitlength;
 117 };
 118
 119 struct cv_defined_module
 120 {
 121     BOOL                allowed;
 122     unsigned int        num_defined_types;
 123     struct symt**       defined_types;
 124
 125     struct codeview_bitfield* bitfields;
 126     unsigned            num_bitfields;
 127     unsigned            used_bitfields;
 128 };
 129 /* FIXME: don't make it static */
 130 #define CV_MAX_MODULES          32
 131 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
 132 static struct cv_defined_module*cv_current_module;
 133
 134 static void codeview_init_basic_types(struct module* module)
 135 {
 136     /*
 137      * These are the common builtin types that are used by VC++.
 138      */
 139     cv_basic_types[T_NOTYPE] = NULL;
 140     cv_basic_types[T_ABS]    = NULL;
 141     cv_basic_types[T_VOID]   = &symt_new_basic(module, btVoid,  "void", 0)->symt;
 142     cv_basic_types[T_CHAR]   = &symt_new_basic(module, btChar,  "char", 1)->symt;
 143     cv_basic_types[T_SHORT]  = &symt_new_basic(module, btInt,   "short int", 2)->symt;
 144     cv_basic_types[T_LONG]   = &symt_new_basic(module, btInt,   "long int", 4)->symt;
 145     cv_basic_types[T_QUAD]   = &symt_new_basic(module, btInt,   "long long int", 8)->symt;
 146     cv_basic_types[T_UCHAR]  = &symt_new_basic(module, btUInt,  "unsigned char", 1)->symt;
 147     cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt,  "unsigned short", 2)->symt;
 148     cv_basic_types[T_ULONG]  = &symt_new_basic(module, btUInt,  "unsigned long", 4)->symt;
 149     cv_basic_types[T_UQUAD]  = &symt_new_basic(module, btUInt,  "unsigned long long", 8)->symt;
 150     cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
 151     cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
 152     cv_basic_types[T_RCHAR]  = &symt_new_basic(module, btInt,   "signed char", 1)->symt;
 153     cv_basic_types[T_WCHAR]  = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
 154     cv_basic_types[T_INT4]   = &symt_new_basic(module, btInt,   "INT4", 4)->symt;
 155     cv_basic_types[T_UINT4]  = &symt_new_basic(module, btUInt,  "UINT4", 4)->symt;
 156
 157     cv_basic_types[T_32PVOID]   = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
 158     cv_basic_types[T_32PCHAR]   = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
 159     cv_basic_types[T_32PSHORT]  = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
 160     cv_basic_types[T_32PLONG]   = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
 161     cv_basic_types[T_32PQUAD]   = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
 162     cv_basic_types[T_32PUCHAR]  = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
 163     cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
 164     cv_basic_types[T_32PULONG]  = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
 165     cv_basic_types[T_32PUQUAD]  = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
 166     cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
 167     cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
 168     cv_basic_types[T_32PRCHAR]  = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
 169     cv_basic_types[T_32PWCHAR]  = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
 170     cv_basic_types[T_32PINT4]   = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
 171     cv_basic_types[T_32PUINT4]  = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
 172 }
 173
 174 static int numeric_leaf(int* value, const unsigned short int* leaf)
 175 {
 176     unsigned short int type = *leaf++;
 177     int length = 2;
 178
 179     if (type < LF_NUMERIC)
 180     {
 181         *value = type;
 182     }
 183     else
 184     {
 185         switch (type)
 186         {
 187         case LF_CHAR:
 188             length += 1;
 189             *value = *(const char*)leaf;
 190             break;
 191
 192         case LF_SHORT:
 193             length += 2;
 194             *value = *(const short*)leaf;
 195             break;
 196
 197         case LF_USHORT:
 198             length += 2;
 199             *value = *(const unsigned short*)leaf;
 200             break;
 201
 202         case LF_LONG:
 203             length += 4;
 204             *value = *(const int*)leaf;
 205             break;
 206
 207         case LF_ULONG:
 208             length += 4;
 209             *value = *(const unsigned int*)leaf;
 210             break;
 211
 212         case LF_QUADWORD:
 213         case LF_UQUADWORD:
 214             FIXME("Unsupported numeric leaf type %04x\n", type);
 215             length += 8;
 216             *value = 0;    /* FIXME */
 217             break;
 218
 219         case LF_REAL32:
 220             FIXME("Unsupported numeric leaf type %04x\n", type);
 221             length += 4;
 222             *value = 0;    /* FIXME */
 223             break;
 224
 225         case LF_REAL48:
 226             FIXME("Unsupported numeric leaf type %04x\n", type);
 227             length += 6;
 228             *value = 0;    /* FIXME */
 229             break;
 230
 231         case LF_REAL64:
 232             FIXME("Unsupported numeric leaf type %04x\n", type);
 233             length += 8;
 234             *value = 0;    /* FIXME */
 235             break;
 236
 237         case LF_REAL80:
 238             FIXME("Unsupported numeric leaf type %04x\n", type);
 239             length += 10;
 240             *value = 0;    /* FIXME */
 241             break;
 242
 243         case LF_REAL128:
 244             FIXME("Unsupported numeric leaf type %04x\n", type);
 245             length += 16;
 246             *value = 0;    /* FIXME */
 247             break;
 248
 249         case LF_COMPLEX32:
 250             FIXME("Unsupported numeric leaf type %04x\n", type);
 251             length += 4;
 252             *value = 0;    /* FIXME */
 253             break;
 254
 255         case LF_COMPLEX64:
 256             FIXME("Unsupported numeric leaf type %04x\n", type);
 257             length += 8;
 258             *value = 0;    /* FIXME */
 259             break;
 260
 261         case LF_COMPLEX80:
 262             FIXME("Unsupported numeric leaf type %04x\n", type);
 263             length += 10;
 264             *value = 0;    /* FIXME */
 265             break;
 266
 267         case LF_COMPLEX128:
 268             FIXME("Unsupported numeric leaf type %04x\n", type);
 269             length += 16;
 270             *value = 0;    /* FIXME */
 271             break;
 272
 273         case LF_VARSTRING:
 274             FIXME("Unsupported numeric leaf type %04x\n", type);
 275             length += 2 + *leaf;
 276             *value = 0;    /* FIXME */
 277             break;
 278
 279         default:
 280             FIXME("Unknown numeric leaf type %04x\n", type);
 281             *value = 0;
 282             break;
 283         }
 284     }
 285
 286     return length;
 287 }
 288
 289 /* convert a pascal string (as stored in debug information) into
 290  * a C string (null terminated).
 291  */
 292 static const char* terminate_string(const struct p_string* p_name)
 293 {
 294     static char symname[256];
 295
 296     memcpy(symname, p_name->name, p_name->namelen);
 297     symname[p_name->namelen] = '\0';
 298
 299     return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
 300 }
 301
 302 static struct symt*  codeview_get_type(unsigned int typeno, BOOL allow_special)
 303 {
 304     struct symt*        symt = NULL;
 305
 306     /*
 307      * Convert Codeview type numbers into something we can grok internally.
 308      * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
 309      * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
 310      */
 311     if (typeno < FIRST_DEFINABLE_TYPE)
 312     {
 313         if (typeno < MAX_BUILTIN_TYPES)
 314             symt = cv_basic_types[typeno];
 315     }
 316     else
 317     {
 318         unsigned        mod_index = typeno >> 24;
 319         unsigned        mod_typeno = typeno & 0x00FFFFFF;
 320         struct cv_defined_module*       mod;
 321
 322         mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
 323
 324         if (mod_index >= CV_MAX_MODULES || !mod->allowed)
 325             FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
 326         else
 327         {
 328             if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
 329                 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
 330         }
 331     }
 332     if (!allow_special && symt && symt->tag == SymTagCVBitField)
 333         FIXME("bitfields are only handled for UDTs\n");
 334     if (!symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
 335     return symt;
 336 }
 337
 338 static int codeview_add_type(unsigned int typeno, struct symt* dt)
 339 {
 340     if (typeno < FIRST_DEFINABLE_TYPE)
 341         FIXME("What the heck\n");
 342     if (!cv_current_module)
 343     {
 344         FIXME("Adding %x to non allowed module\n", typeno);
 345         return FALSE;
 346     }
 347     if ((typeno >> 24) != 0)
 348         FIXME("No module index while inserting type-id assumption is wrong %x\n",
 349               typeno);
 350     while (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
 351     {
 352         cv_current_module->num_defined_types += 0x100;
 353         if (cv_current_module->defined_types)
 354             cv_current_module->defined_types = (struct symt**)
 355                 HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 356                             cv_current_module->defined_types,
 357                             cv_current_module->num_defined_types * sizeof(struct symt*));
 358         else
 359             cv_current_module->defined_types = (struct symt**)
 360                 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 361                           cv_current_module->num_defined_types * sizeof(struct symt*));
 362
 363         if (cv_current_module->defined_types == NULL) return FALSE;
 364     }
 365
 366     cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
 367     return TRUE;
 368 }
 369
 370 static void codeview_clear_type_table(void)
 371 {
 372     int i;
 373
 374     for (i = 0; i < CV_MAX_MODULES; i++)
 375     {
 376         if (cv_zmodules[i].allowed && cv_zmodules[i].defined_types)
 377             HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
 378         cv_zmodules[i].allowed = FALSE;
 379         cv_zmodules[i].defined_types = NULL;
 380         cv_zmodules[i].num_defined_types = 0;
 381         HeapFree(GetProcessHeap(), 0, cv_zmodules[i].bitfields);
 382         cv_zmodules[i].bitfields = NULL;
 383         cv_zmodules[i].num_bitfields = cv_zmodules[i].used_bitfields = 0;
 384     }
 385     cv_current_module = NULL;
 386 }
 387
 388 static int codeview_add_type_pointer(struct module* module, unsigned int typeno,
 389                                      unsigned int datatype)
 390 {
 391     struct symt* symt = &symt_new_pointer(module,
 392                                           codeview_get_type(datatype, FALSE))->symt;
 393     return codeview_add_type(typeno, symt);
 394 }
 395
 396 static int codeview_add_type_array(struct module* module,
 397                                    unsigned int typeno, const char* name,
 398                                    unsigned int elemtype, unsigned int arr_len)
 399 {
 400     struct symt*        symt;
 401     struct symt*        elem = codeview_get_type(elemtype, FALSE);
 402     DWORD               arr_max = 0;
 403
 404     if (elem)
 405     {
 406         DWORD elem_size;
 407         symt_get_info(elem, TI_GET_LENGTH, &elem_size);
 408         if (elem_size) arr_max = arr_len / elem_size;
 409     }
 410     symt = &symt_new_array(module, 0, arr_max, elem)->symt;
 411     return codeview_add_type(typeno, symt);
 412 }
 413
 414 static int codeview_add_type_bitfield(unsigned int typeno, unsigned int bitoff,
 415                                       unsigned int nbits, unsigned int basetype)
 416 {
 417     if (cv_current_module->used_bitfields >= cv_current_module->num_bitfields)
 418     {
 419         if (cv_current_module->bitfields)
 420         {
 421             cv_current_module->num_bitfields *= 2;
 422             cv_current_module->bitfields =
 423                 HeapReAlloc(GetProcessHeap(), 0,
 424                             cv_current_module->bitfields,
 425                             cv_current_module->num_bitfields * sizeof(struct codeview_bitfield));
 426         }
 427         else
 428         {
 429             cv_current_module->num_bitfields = 64;
 430             cv_current_module->bitfields =
 431                 HeapAlloc(GetProcessHeap(), 0,
 432                           cv_current_module->num_bitfields * sizeof(struct codeview_bitfield));
 433         }
 434         if (!cv_current_module->bitfields) return 0;
 435     }
 436
 437     cv_current_module->bitfields[cv_current_module->used_bitfields].symt.tag    = SymTagCVBitField;
 438     cv_current_module->bitfields[cv_current_module->used_bitfields].subtype     = basetype;
 439     cv_current_module->bitfields[cv_current_module->used_bitfields].bitposition = bitoff;
 440     cv_current_module->bitfields[cv_current_module->used_bitfields].bitlength   = nbits;
 441
 442     return codeview_add_type(typeno, &cv_current_module->bitfields[cv_current_module->used_bitfields++].symt);
 443 }
 444
 445 static int codeview_add_type_enum_field_list(struct module* module,
 446                                              unsigned int typeno,
 447                                              const unsigned char* list, int len)
 448 {
 449     struct symt_enum*           symt;
 450     const unsigned char*        ptr = list;
 451
 452     symt = symt_new_enum(module, NULL);
 453     while (ptr - list < len)
 454     {
 455         const union codeview_fieldtype* type = (const union codeview_fieldtype*)ptr;
 456
 457         if (*ptr >= 0xf0)       /* LF_PAD... */
 458         {
 459             ptr += *ptr & 0x0f;
 460             continue;
 461         }
 462
 463         switch (type->generic.id)
 464         {
 465         case LF_ENUMERATE_V1:
 466         {
 467             int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
 468             const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
 469
 470             symt_add_enum_element(module, symt, terminate_string(p_name), value);
 471             ptr += 2 + 2 + vlen + (1 + p_name->namelen);
 472             break;
 473         }
 474         case LF_ENUMERATE_V3:
 475         {
 476             int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
 477             const char* name = (const char*)&type->enumerate_v3.value + vlen;
 478
 479             symt_add_enum_element(module, symt, name, value);
 480             ptr += 2 + 2 + vlen + (1 + strlen(name));
 481             break;
 482         }
 483
 484         default:
 485             FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
 486             return FALSE;
 487         }
 488     }
 489
 490     return codeview_add_type(typeno, &symt->symt);
 491 }
 492
 493 static int codeview_add_type_struct_field_list(struct module* module,
 494                                                unsigned int typeno,
 495                                                const unsigned char* list, int len)
 496 {
 497     struct symt_udt*            symt;
 498     const unsigned char*        ptr = list;
 499     int                         value, leaf_len, vpoff, vplen;
 500     const struct p_string*      p_name;
 501     const char*                 c_name;
 502     struct symt*                subtype;
 503     const unsigned short int* p_vboff;
 504
 505     symt = symt_new_udt(module, NULL, 0, UdtStruct /* don't care */);
 506     while (ptr - list < len)
 507     {
 508         const union codeview_fieldtype* type = (const union codeview_fieldtype*)ptr;
 509
 510         if (*ptr >= 0xf0)       /* LF_PAD... */
 511         {
 512             ptr +=* ptr & 0x0f;
 513             continue;
 514         }
 515
 516         switch (type->generic.id)
 517         {
 518         case LF_BCLASS_V1:
 519             leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
 520
 521             /* FIXME: ignored for now */
 522
 523             ptr += 2 + 2 + 2 + leaf_len;
 524             break;
 525
 526         case LF_BCLASS_V2:
 527             leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
 528
 529             /* FIXME: ignored for now */
 530
 531             ptr += 2 + 2 + 4 + leaf_len;
 532             break;
 533
 534         case LF_VBCLASS_V1:
 535         case LF_IVBCLASS_V1:
 536             {
 537                 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
 538                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
 539                 vplen = numeric_leaf(&vpoff, p_vboff);
 540
 541                 /* FIXME: ignored for now */
 542
 543                 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
 544             }
 545             break;
 546
 547         case LF_VBCLASS_V2:
 548         case LF_IVBCLASS_V2:
 549             {
 550                 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
 551                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
 552                 vplen = numeric_leaf(&vpoff, p_vboff);
 553
 554                 /* FIXME: ignored for now */
 555
 556                 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
 557             }
 558             break;
 559
 560         case LF_MEMBER_V1:
 561             leaf_len = numeric_leaf(&value, &type->member_v1.offset);
 562             p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
 563             subtype = codeview_get_type(type->member_v1.type, TRUE);
 564
 565             if (!subtype || subtype->tag != SymTagCVBitField)
 566             {
 567                 DWORD elem_size = 0;
 568                 if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
 569                 symt_add_udt_element(module, symt, terminate_string(p_name),
 570                                      codeview_get_type(type->member_v1.type, TRUE),
 571                                      value << 3, elem_size << 3);
 572             }
 573             else
 574             {
 575                 struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
 576                 symt_add_udt_element(module, symt, terminate_string(p_name),
 577                                      codeview_get_type(cvbf->subtype, FALSE),
 578                                      cvbf->bitposition, cvbf->bitlength);
 579             }
 580
 581             ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
 582             break;
 583
 584         case LF_MEMBER_V2:
 585             leaf_len = numeric_leaf(&value, &type->member_v2.offset);
 586             p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
 587             subtype = codeview_get_type(type->member_v2.type, TRUE);
 588
 589             if (!subtype || subtype->tag != SymTagCVBitField)
 590             {
 591                 DWORD elem_size = 0;
 592                 if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
 593                 symt_add_udt_element(module, symt, terminate_string(p_name),
 594                                      subtype, value << 3, elem_size << 3);
 595             }
 596             else
 597             {
 598                 struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
 599                 symt_add_udt_element(module, symt, terminate_string(p_name),
 600                                      codeview_get_type(cvbf->subtype, FALSE),
 601                                      cvbf->bitposition, cvbf->bitlength);
 602             }
 603
 604             ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
 605             break;
 606
 607         case LF_MEMBER_V3:
 608             leaf_len = numeric_leaf(&value, &type->member_v3.offset);
 609             c_name = (const char*)&type->member_v3.offset + leaf_len;
 610             subtype = codeview_get_type(type->member_v3.type, TRUE);
 611
 612             if (!subtype || subtype->tag != SymTagCVBitField)
 613             {
 614                 DWORD elem_size = 0;
 615                 if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
 616                 symt_add_udt_element(module, symt, c_name,
 617                                      subtype, value << 3, elem_size << 3);
 618             }
 619             else
 620             {
 621                 struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
 622                 symt_add_udt_element(module, symt, c_name,
 623                                      codeview_get_type(cvbf->subtype, FALSE),
 624                                      cvbf->bitposition, cvbf->bitlength);
 625             }
 626
 627             ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
 628             break;
 629
 630         case LF_STMEMBER_V1:
 631             /* FIXME: ignored for now */
 632             ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
 633             break;
 634
 635         case LF_STMEMBER_V2:
 636             /* FIXME: ignored for now */
 637             ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
 638             break;
 639
 640         case LF_METHOD_V1:
 641             /* FIXME: ignored for now */
 642             ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
 643             break;
 644
 645         case LF_METHOD_V2:
 646             /* FIXME: ignored for now */
 647             ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
 648             break;
 649
 650         case LF_NESTTYPE_V1:
 651             /* FIXME: ignored for now */
 652             ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
 653             break;
 654
 655         case LF_NESTTYPE_V2:
 656             /* FIXME: ignored for now */
 657             ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
 658             break;
 659
 660         case LF_VFUNCTAB_V1:
 661             /* FIXME: ignored for now */
 662             ptr += 2 + 2;
 663             break;
 664
 665         case LF_VFUNCTAB_V2:
 666             /* FIXME: ignored for now */
 667             ptr += 2 + 2 + 4;
 668             break;
 669
 670         case LF_ONEMETHOD_V1:
 671             /* FIXME: ignored for now */
 672             switch ((type->onemethod_v1.attribute >> 2) & 7)
 673             {
 674             case 4: case 6: /* (pure) introducing virtual method */
 675                 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
 676                 break;
 677
 678             default:
 679                 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
 680                 break;
 681             }
 682             break;
 683
 684         case LF_ONEMETHOD_V2:
 685             /* FIXME: ignored for now */
 686             switch ((type->onemethod_v2.attribute >> 2) & 7)
 687             {
 688             case 4: case 6: /* (pure) introducing virtual method */
 689                 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
 690                 break;
 691
 692             default:
 693                 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
 694                 break;
 695             }
 696             break;
 697
 698         default:
 699             FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
 700             return FALSE;
 701         }
 702     }
 703
 704     return codeview_add_type(typeno, &symt->symt);
 705 }
 706
 707 static int codeview_add_type_enum(struct module* module, unsigned int typeno,
 708                                   const char* name, unsigned int fieldlist)
 709 {
 710     struct symt_enum*   symt = symt_new_enum(module, name);
 711     struct symt*        list = codeview_get_type(fieldlist, FALSE);
 712
 713     /* FIXME: this is rather ugly !!! */
 714     if (list) symt->vchildren = ((struct symt_enum*)list)->vchildren;
 715
 716     return codeview_add_type(typeno, &symt->symt);
 717 }
 718
 719 static int codeview_add_type_struct(struct module* module, unsigned int typeno,
 720                                     const char* name, int structlen,
 721                                     unsigned int fieldlist, enum UdtKind kind)
 722 {
 723     struct symt_udt*    symt = symt_new_udt(module, name, structlen, kind);
 724     struct symt*        list = codeview_get_type(fieldlist, FALSE);
 725
 726     /* FIXME: this is rather ugly !!! */
 727     if (list) symt->vchildren = ((struct symt_udt*)list)->vchildren;
 728
 729     return codeview_add_type(typeno, &symt->symt);
 730 }
 731
 732 static int codeview_new_func_signature(struct module* module, unsigned typeno,
 733                                            unsigned ret_type)
 734 {
 735     struct symt* symt;
 736     symt = &symt_new_function_signature(module,
 737                                         codeview_get_type(ret_type, FALSE))->symt;
 738     return codeview_add_type(typeno, symt);
 739 }
 740
 741 static int codeview_parse_type_table(struct module* module, const char* table,
 742                                      int len)
 743 {
 744     unsigned int                curr_type = 0x1000;
 745     const char*                 ptr = table;
 746     int                         retv;
 747     const union codeview_type*  type;
 748     int                         value, leaf_len;
 749     const struct p_string*      p_name;
 750     const char*                 c_name;
 751
 752     while (ptr - table < len)
 753     {
 754         retv = TRUE;
 755         type = (const union codeview_type*)ptr;
 756
 757         switch (type->generic.id)
 758         {
 759         case LF_MODIFIER_V1:
 760             /* FIXME: we don't handle modifiers,
 761              * but readd previous type on the curr_type
 762              */
 763             WARN("Modifier on %x: %s%s%s%s\n",
 764                  type->modifier_v1.type,
 765                  type->modifier_v1.attribute & 0x01 ? "const " : "",
 766                  type->modifier_v1.attribute & 0x02 ? "volatile " : "",
 767                  type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
 768                  type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
 769             codeview_add_type(curr_type,
 770                               codeview_get_type(type->modifier_v1.type, FALSE));
 771             break;
 772         case LF_MODIFIER_V2:
 773             /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
 774             WARN("Modifier on %x: %s%s%s%s\n",
 775                  type->modifier_v2.type,
 776                  type->modifier_v2.attribute & 0x01 ? "const " : "",
 777                  type->modifier_v2.attribute & 0x02 ? "volatile " : "",
 778                  type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
 779                  type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
 780             codeview_add_type(curr_type,
 781                               codeview_get_type(type->modifier_v2.type, FALSE));
 782             break;
 783
 784         case LF_POINTER_V1:
 785             retv = codeview_add_type_pointer(module, curr_type,
 786                                              type->pointer_v1.datatype);
 787             break;
 788         case LF_POINTER_V2:
 789             retv = codeview_add_type_pointer(module, curr_type,
 790                                              type->pointer_v2.datatype);
 791             break;
 792
 793         case LF_ARRAY_V1:
 794             leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
 795             p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
 796
 797             retv = codeview_add_type_array(module, curr_type, terminate_string(p_name),
 798                                            type->array_v1.elemtype, value);
 799             break;
 800         case LF_ARRAY_V2:
 801             leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
 802             p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
 803
 804             retv = codeview_add_type_array(module, curr_type, terminate_string(p_name),
 805                                            type->array_v2.elemtype, value);
 806             break;
 807         case LF_ARRAY_V3:
 808             leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
 809             c_name = (const char*)&type->array_v3.arrlen + leaf_len;
 810
 811             retv = codeview_add_type_array(module, curr_type, c_name,
 812                                            type->array_v3.elemtype, value);
 813             break;
 814
 815         case LF_BITFIELD_V1:
 816             /* a bitfield is a CodeView specific data type which represent a bitfield
 817              * in a structure or a class. For now, we store it in a SymTag-like type
 818              * (so that the rest of the process is seamless), but check at udt
 819              * inclusion type for its presence
 820              */
 821             retv = codeview_add_type_bitfield(curr_type, type->bitfield_v1.bitoff,
 822                                               type->bitfield_v1.nbits,
 823                                               type->bitfield_v1.type);
 824             break;
 825         case LF_BITFIELD_V2:
 826             retv = codeview_add_type_bitfield(curr_type, type->bitfield_v2.bitoff,
 827                                               type->bitfield_v2.nbits,
 828                                               type->bitfield_v2.type);
 829             break;
 830         case LF_FIELDLIST_V1:
 831         case LF_FIELDLIST_V2:
 832            {
 833                /*
 834                 * A 'field list' is a CodeView-specific data type which doesn't
 835                 * directly correspond to any high-level data type.  It is used
 836                 * to hold the collection of members of a struct, class, union
 837                 * or enum type.  The actual definition of that type will follow
 838                 * later, and refer to the field list definition record.
 839                 *
 840                 * As we don't have a field list type ourselves, we look ahead
 841                 * in the field list to try to find out whether this field list
 842                 * will be used for an enum or struct type, and create a dummy
 843                 * type of the corresponding sort.  Later on, the definition of
 844                 * the 'real' type will copy the member / enumeration data.
 845                 */
 846                const char* list = type->fieldlist.list;
 847                int   len  = (ptr + type->generic.len + 2) - list;
 848
 849                if (((const union codeview_fieldtype*)list)->generic.id == LF_ENUMERATE_V1 ||
 850                    ((const union codeview_fieldtype*)list)->generic.id == LF_ENUMERATE_V3)
 851                    retv = codeview_add_type_enum_field_list(module, curr_type, list, len);
 852                else
 853                    retv = codeview_add_type_struct_field_list(module, curr_type, list, len);
 854            }
 855            break;
 856
 857         case LF_STRUCTURE_V1:
 858         case LF_CLASS_V1:
 859             leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
 860             p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
 861
 862             retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
 863                                             value, type->struct_v1.fieldlist,
 864                                             type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct);
 865             break;
 866
 867         case LF_STRUCTURE_V2:
 868         case LF_CLASS_V2:
 869             leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
 870             p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
 871
 872             retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
 873                                             value, type->struct_v2.fieldlist,
 874                                             type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct);
 875             break;
 876
 877         case LF_STRUCTURE_V3:
 878         case LF_CLASS_V3:
 879             leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
 880             c_name = (const char*)&type->struct_v3.structlen + leaf_len;
 881
 882             retv = codeview_add_type_struct(module, curr_type, c_name,
 883                                             value, type->struct_v3.fieldlist,
 884                                             type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct);
 885             break;
 886
 887         case LF_UNION_V1:
 888             leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
 889             p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
 890
 891             retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
 892                                             value, type->union_v1.fieldlist, UdtUnion);
 893             break;
 894         case LF_UNION_V2:
 895             leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
 896             p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
 897
 898             retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
 899                                             value, type->union_v2.fieldlist, UdtUnion);
 900             break;
 901         case LF_UNION_V3:
 902             leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
 903             c_name = (const char*)&type->union_v3.un_len + leaf_len;
 904
 905             retv = codeview_add_type_struct(module, curr_type, c_name,
 906                                             value, type->union_v3.fieldlist, UdtUnion);
 907
 908         case LF_ENUM_V1:
 909             retv = codeview_add_type_enum(module, curr_type, terminate_string(&type->enumeration_v1.p_name),
 910                                           type->enumeration_v1.field);
 911             break;
 912
 913         case LF_ENUM_V2:
 914             retv = codeview_add_type_enum(module, curr_type, terminate_string(&type->enumeration_v2.p_name),
 915                                           type->enumeration_v2.field);
 916             break;
 917         case LF_ENUM_V3:
 918             retv = codeview_add_type_enum(module, curr_type, type->enumeration_v3.name,
 919                                           type->enumeration_v3.field);
 920             break;
 921         case LF_PROCEDURE_V1:
 922             retv = codeview_new_func_signature(module, curr_type,
 923                                                type->procedure_v1.rvtype);
 924             break;
 925         case LF_PROCEDURE_V2:
 926             retv = codeview_new_func_signature(module, curr_type,
 927                                                type->procedure_v2.rvtype);
 928             break;
 929         case LF_MFUNCTION_V1:
 930             /* FIXME: for C++, this is plain wrong, but as we don't use arg types
 931              * nor class information, this would just do for now
 932              */
 933             retv = codeview_new_func_signature(module, curr_type,
 934                                                type->mfunction_v1.rvtype);
 935             break;
 936         case LF_MFUNCTION_V2:
 937             /* FIXME: for C++, this is plain wrong, but as we don't use arg types
 938              * nor class information, this would just do for now
 939              */
 940             retv = codeview_new_func_signature(module, curr_type,
 941                                                type->mfunction_v2.rvtype);
 942             break;
 943         case LF_ARGLIST_V1:
 944         case LF_ARGLIST_V2:
 945             {
 946                 static int once;
 947                 if (!once++)
 948                     FIXME("Not adding parameters' types to function signature\n");
 949             }
 950             break;
 951
 952         default:
 953             FIXME("Unsupported type-id leaf %x\n", type->generic.id);
 954             dump(type, 2 + type->generic.len);
 955             break;
 956         }
 957         if (!retv) return FALSE;
 958         curr_type++;
 959         ptr += type->generic.len + 2;
 960     }
 961
 962     return TRUE;
 963 }
 964
 965 /*========================================================================
 966  * Process CodeView line number information.
 967  */
 968
 969 static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
 970                                                        const char* linetab, int size,
 971                                                        BOOL pascal_str)
 972 {
 973     int                         file_segcount;
 974     char                        filename[PATH_MAX];
 975     const unsigned int*         filetab;
 976     const struct p_string*      p_fn;
 977     int                         i;
 978     int                         k;
 979     struct codeview_linetab*    lt_hdr;
 980     const unsigned int*         lt_ptr;
 981     int                         nfile;
 982     int                         nseg;
 983     union any_size              pnt;
 984     union any_size              pnt2;
 985     const struct startend*      start;
 986     int                         this_seg;
 987     struct symt_compiland*      compiland;
 988
 989     /*
 990      * Now get the important bits.
 991      */
 992     pnt.c = linetab;
 993     nfile = *pnt.s++;
 994     nseg = *pnt.s++;
 995
 996     filetab = (const unsigned int*) pnt.c;
 997
 998     /*
 999      * Now count up the number of segments in the file.
1000      */
1001     nseg = 0;
1002     for (i = 0; i < nfile; i++)
1003     {
1004         pnt2.c = linetab + filetab[i];
1005         nseg += *pnt2.s;
1006     }
1007
1008     /*
1009      * Next allocate the header we will be returning.
1010      * There is one header for each segment, so that we can reach in
1011      * and pull bits as required.
1012      */
1013     lt_hdr = (struct codeview_linetab*)
1014         HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (nseg + 1) * sizeof(*lt_hdr));
1015     if (lt_hdr == NULL)
1016     {
1017         goto leave;
1018     }
1019
1020     /*
1021      * Now fill the header we will be returning, one for each segment.
1022      * Note that this will basically just contain pointers into the existing
1023      * line table, and we do not actually copy any additional information
1024      * or allocate any additional memory.
1025      */
1026
1027     this_seg = 0;
1028     for (i = 0; i < nfile; i++)
1029     {
1030         /*
1031          * Get the pointer into the segment information.
1032          */
1033         pnt2.c = linetab + filetab[i];
1034         file_segcount = *pnt2.s;
1035
1036         pnt2.ui++;
1037         lt_ptr = (const unsigned int*) pnt2.c;
1038         start = (const struct startend*)(lt_ptr + file_segcount);
1039
1040         /*
1041          * Now snarf the filename for all of the segments for this file.
1042          */
1043         if (pascal_str)
1044         {
1045             p_fn = (const struct p_string*)(start + file_segcount);
1046             memset(filename, 0, sizeof(filename));
1047             memcpy(filename, p_fn->name, p_fn->namelen);
1048             compiland = symt_new_compiland(module, filename);
1049         }
1050         else
1051             compiland = symt_new_compiland(module, (const char*)(start + file_segcount));
1052
1053         for (k = 0; k < file_segcount; k++, this_seg++)
1054         {
1055             pnt2.c = linetab + lt_ptr[k];
1056             lt_hdr[this_seg].start      = start[k].start;
1057             lt_hdr[this_seg].end        = start[k].end;
1058             lt_hdr[this_seg].compiland  = compiland;
1059             lt_hdr[this_seg].segno      = *pnt2.s++;
1060             lt_hdr[this_seg].nline      = *pnt2.s++;
1061             lt_hdr[this_seg].offtab     = pnt2.ui;
1062             lt_hdr[this_seg].linetab    = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
1063         }
1064     }
1065
1066 leave:
1067
1068   return lt_hdr;
1069
1070 }
1071
1072 /*========================================================================
1073  * Process CodeView symbol information.
1074  */
1075
1076 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1077                                         unsigned int offset)
1078 {
1079     int                 nomap = msc_dbg->nomap;
1080     const OMAP_DATA*    omapp = msc_dbg->omapp;
1081     int                 i;
1082
1083     if (!nomap || !omapp) return offset;
1084
1085     /* FIXME: use binary search */
1086     for (i = 0; i < nomap - 1; i++)
1087         if (omapp[i].from <= offset && omapp[i+1].from > offset)
1088             return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1089
1090     return 0;
1091 }
1092
1093 static const struct codeview_linetab*
1094 codeview_get_linetab(const struct codeview_linetab* linetab,
1095                      unsigned seg, unsigned offset)
1096 {
1097     /*
1098      * Check whether we have line number information
1099      */
1100     if (linetab)
1101     {
1102         for (; linetab->linetab; linetab++)
1103             if (linetab->segno == seg &&
1104                 linetab->start <= offset && linetab->end   >  offset)
1105                 break;
1106         if (!linetab->linetab) linetab = NULL;
1107     }
1108     return linetab;
1109 }
1110
1111 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1112                                      unsigned seg, unsigned offset)
1113 {
1114     int                         nsect = msc_dbg->nsect;
1115     const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1116
1117     if (!seg || seg > nsect) return 0;
1118     return msc_dbg->module->module.BaseOfImage +
1119         codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1120 }
1121
1122 static void codeview_add_func_linenum(struct module* module,
1123                                       struct symt_function* func,
1124                                       const struct codeview_linetab* linetab,
1125                                       unsigned offset, unsigned size)
1126 {
1127     unsigned int        i;
1128
1129     if (!linetab) return;
1130     for (i = 0; i < linetab->nline; i++)
1131     {
1132         if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
1133         {
1134             symt_add_func_line(module, func, linetab->compiland->source,
1135                                linetab->linetab[i], linetab->offtab[i] - offset);
1136         }
1137     }
1138 }
1139
1140 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1141                           int offset, int size,
1142                           struct codeview_linetab* linetab)
1143 {
1144     struct symt_function*               curr_func = NULL;
1145     int                                 i, length;
1146     const struct codeview_linetab*      flt;
1147     struct symt_block*                  block = NULL;
1148     struct symt*                        symt;
1149     const char*                         name;
1150
1151     /*
1152      * Loop over the different types of records and whenever we
1153      * find something we are interested in, record it and move on.
1154      */
1155     for (i = offset; i < size; i += length)
1156     {
1157         const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1158         length = sym->generic.len + 2;
1159         if (length & 3) FIXME("unpadded len %u\n", length + 2);
1160
1161         switch (sym->generic.id)
1162         {
1163         /*
1164          * Global and local data symbols.  We don't associate these
1165          * with any given source file.
1166          */
1167         case S_GDATA_V1:
1168         case S_LDATA_V1:
1169             flt = codeview_get_linetab(linetab, sym->data_v1.segment, sym->data_v1.offset);
1170             symt_new_global_variable(msc_dbg->module,
1171                                      flt ? flt->compiland : NULL,
1172                                      terminate_string(&sym->data_v1.p_name), sym->generic.id == S_LDATA_V1,
1173                                      codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1174                                      0,
1175                                      codeview_get_type(sym->data_v1.symtype, FALSE));
1176             break;
1177         case S_GDATA_V2:
1178         case S_LDATA_V2:
1179             flt = codeview_get_linetab(linetab, sym->data_v2.segment, sym->data_v2.offset);
1180             name = terminate_string(&sym->data_v2.p_name);
1181             if (name)
1182                 symt_new_global_variable(msc_dbg->module, flt ? flt->compiland : NULL,
1183                                          name, sym->generic.id == S_LDATA_V2,
1184                                          codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1185                                          0,
1186                                          codeview_get_type(sym->data_v2.symtype, FALSE));
1187             break;
1188         case S_GDATA_V3:
1189         case S_LDATA_V3:
1190             flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
1191             if (*sym->data_v3.name)
1192                 symt_new_global_variable(msc_dbg->module, flt ? flt->compiland : NULL,
1193                                          sym->data_v3.name,
1194                                          sym->generic.id == S_LDATA_V3,
1195                                          codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1196                                          0,
1197                                          codeview_get_type(sym->data_v3.symtype, FALSE));
1198             break;
1199
1200         case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1201             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1202             {
1203                 flt = codeview_get_linetab(linetab, sym->data_v1.segment, sym->data_v1.offset);
1204                 symt_new_public(msc_dbg->module, flt ? flt->compiland : NULL,
1205                                 terminate_string(&sym->data_v1.p_name),
1206                                 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1207                                 0, TRUE /* FIXME */, TRUE /* FIXME */);
1208             }
1209             break;
1210         case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1211             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1212             {
1213                 flt = codeview_get_linetab(linetab, sym->data_v2.segment, sym->data_v2.offset);
1214                 symt_new_public(msc_dbg->module, flt ? flt->compiland : NULL,
1215                                 terminate_string(&sym->data_v2.p_name),
1216                                 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1217                                 0, TRUE /* FIXME */, TRUE /* FIXME */);
1218             }
1219             break;
1220
1221         /*
1222          * Sort of like a global function, but it just points
1223          * to a thunk, which is a stupid name for what amounts to
1224          * a PLT slot in the normal jargon that everyone else uses.
1225          */
1226         case S_THUNK_V1:
1227             flt = codeview_get_linetab(linetab, sym->thunk_v1.segment, sym->thunk_v1.offset);
1228             symt_new_thunk(msc_dbg->module, flt ? flt->compiland : NULL,
1229                            terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1230                            codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1231                            sym->thunk_v1.thunk_len);
1232             break;
1233         case S_THUNK_V3:
1234             flt = codeview_get_linetab(linetab, sym->thunk_v3.segment, sym->thunk_v3.offset);
1235             symt_new_thunk(msc_dbg->module, flt ? flt->compiland : NULL,
1236                            sym->thunk_v3.name, sym->thunk_v3.thtype,
1237                            codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1238                            sym->thunk_v3.thunk_len);
1239             break;
1240
1241         /*
1242          * Global and static functions.
1243          */
1244         case S_GPROC_V1:
1245         case S_LPROC_V1:
1246             flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
1247             if (curr_func) FIXME("nested function\n");
1248             curr_func = symt_new_function(msc_dbg->module,
1249                                           flt ? flt->compiland : NULL,
1250                                           terminate_string(&sym->proc_v1.p_name),
1251                                           codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1252                                           sym->proc_v1.proc_len,
1253                                           codeview_get_type(sym->proc_v1.proctype, FALSE));
1254             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1255                                       sym->proc_v1.offset, sym->proc_v1.proc_len);
1256             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v1.debug_start, NULL);
1257             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v1.debug_end, NULL);
1258             break;
1259         case S_GPROC_V2:
1260         case S_LPROC_V2:
1261             flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
1262             if (curr_func) FIXME("nested function\n");
1263             curr_func = symt_new_function(msc_dbg->module,
1264                                           flt ? flt->compiland : NULL,
1265                                           terminate_string(&sym->proc_v2.p_name),
1266                                           codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1267                                           sym->proc_v2.proc_len,
1268                                           codeview_get_type(sym->proc_v2.proctype, FALSE));
1269             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1270                                       sym->proc_v2.offset, sym->proc_v2.proc_len);
1271             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v2.debug_start, NULL);
1272             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v2.debug_end, NULL);
1273             break;
1274         case S_GPROC_V3:
1275         case S_LPROC_V3:
1276             flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
1277             if (curr_func) FIXME("nested function\n");
1278             curr_func = symt_new_function(msc_dbg->module,
1279                                           flt ? flt->compiland : NULL,
1280                                           sym->proc_v3.name,
1281                                           codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1282                                           sym->proc_v3.proc_len,
1283                                           codeview_get_type(sym->proc_v3.proctype, FALSE));
1284             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1285                                       sym->proc_v3.offset, sym->proc_v3.proc_len);
1286             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v3.debug_start, NULL);
1287             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v3.debug_end, NULL);
1288             break;
1289         /*
1290          * Function parameters and stack variables.
1291          */
1292         case S_BPREL_V1:
1293             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v1.offset,
1294                                 block, codeview_get_type(sym->stack_v1.symtype, FALSE),
1295                                 terminate_string(&sym->stack_v1.p_name));
1296             break;
1297         case S_BPREL_V2:
1298             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v2.offset,
1299                                 block, codeview_get_type(sym->stack_v2.symtype, FALSE),
1300                                 terminate_string(&sym->stack_v2.p_name));
1301             break;
1302         case S_BPREL_V3:
1303             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v3.offset,
1304                                 block, codeview_get_type(sym->stack_v3.symtype, FALSE),
1305                                 sym->stack_v3.name);
1306             break;
1307
1308         case S_REGISTER_V1:
1309             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v1.reg,
1310                                 block, codeview_get_type(sym->register_v1.type, FALSE),
1311                                 terminate_string(&sym->register_v1.p_name));
1312             break;
1313         case S_REGISTER_V2:
1314             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v2.reg,
1315                                 block, codeview_get_type(sym->register_v2.type, FALSE),
1316                                 terminate_string(&sym->register_v2.p_name));
1317             break;
1318
1319         case S_BLOCK_V1:
1320             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1321                                          codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1322                                          sym->block_v1.length);
1323             break;
1324         case S_BLOCK_V3:
1325             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1326                                          codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1327                                          sym->block_v3.length);
1328             break;
1329
1330         case S_END_V1:
1331             if (block)
1332             {
1333                 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1334             }
1335             else if (curr_func)
1336             {
1337                 symt_normalize_function(msc_dbg->module, curr_func);
1338                 curr_func = NULL;
1339             }
1340             break;
1341
1342         /* FIXME: we should use this as a compiland, instead of guessing it on the fly */
1343         case S_COMPILAND_V1:
1344             TRACE("S-Compiland-V1e %x %s\n",
1345                   sym->compiland_v1.unknown,
1346                   terminate_string(&sym->compiland_v1.p_name));
1347             break;
1348
1349         case S_COMPILAND_V2:
1350             TRACE("S-Compiland-V2 %s\n",
1351                   terminate_string(&sym->compiland_v2.p_name));
1352             if (TRACE_ON(dbghelp_msc))
1353             {
1354                 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1355                 const char* ptr2;
1356                 while (*ptr1)
1357                 {
1358                     ptr2 = ptr1 + strlen(ptr1) + 1;
1359                     TRACE("\t%s => %s\n", ptr1, ptr2);
1360                     ptr1 = ptr2 + strlen(ptr2) + 1;
1361                 }
1362             }
1363             break;
1364         case S_COMPILAND_V3:
1365             TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1366             if (TRACE_ON(dbghelp_msc))
1367             {
1368                 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1369                 const char* ptr2;
1370                 while (*ptr1)
1371                 {
1372                     ptr2 = ptr1 + strlen(ptr1) + 1;
1373                     TRACE("\t%s => %s\n", ptr1, ptr2);
1374                     ptr1 = ptr2 + strlen(ptr2) + 1;
1375                 }
1376             }
1377             break;
1378
1379         case S_OBJNAME_V1:
1380             TRACE("S-ObjName %.*s\n", ((const BYTE*)sym)[8], (const BYTE*)sym + 9);
1381             break;
1382
1383         case S_LABEL_V1:
1384             if (curr_func)
1385             {
1386                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1387                                         codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address,
1388                                         terminate_string(&sym->label_v1.p_name));
1389             }
1390             else
1391                 FIXME("No current function for label %s\n",
1392                       terminate_string(&sym->label_v1.p_name));
1393             break;
1394         case S_LABEL_V3:
1395             if (curr_func)
1396             {
1397                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1398                                         codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address,
1399                                         sym->label_v3.name);
1400             }
1401             else
1402                 FIXME("No current function for label %s\n", sym->label_v3.name);
1403             break;
1404
1405         case S_CONSTANT_V1:
1406             {
1407                 int                     val, vlen;
1408                 const struct p_string*  name;
1409                 const char*             x;
1410                 struct symt*            se;
1411
1412                 vlen = numeric_leaf(&val, &sym->constant_v1.cvalue);
1413                 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1414                 se = codeview_get_type(sym->constant_v1.type, FALSE);
1415                 if (!se) x = "---";
1416                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1417                 else x = "###";
1418
1419                 TRACE("S-Constant-V1 %u %s %x (%s)\n",
1420                       val, terminate_string(name), sym->constant_v1.type, x);
1421                 /* FIXME: we should add this as a constant value */
1422             }
1423             break;
1424         case S_CONSTANT_V2:
1425             {
1426                 int                     val, vlen;
1427                 const struct p_string*  name;
1428                 const char*             x;
1429                 struct symt*            se;
1430
1431                 vlen = numeric_leaf(&val, &sym->constant_v2.cvalue);
1432                 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1433                 se = codeview_get_type(sym->constant_v2.type, FALSE);
1434                 if (!se) x = "---";
1435                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1436                 else x = "###";
1437
1438                 TRACE("S-Constant-V2 %u %s %x (%s)\n",
1439                       val, terminate_string(name), sym->constant_v2.type, x);
1440                 /* FIXME: we should add this as a constant value */
1441             }
1442             break;
1443         case S_CONSTANT_V3:
1444             {
1445                 int                     val, vlen;
1446                 const char*             name;
1447                 const char*             x;
1448                 struct symt*            se;
1449
1450                 vlen = numeric_leaf(&val, &sym->constant_v3.cvalue);
1451                 name = (const char*)&sym->constant_v3.cvalue + vlen;
1452                 se = codeview_get_type(sym->constant_v3.type, FALSE);
1453                 if (!se) x = "---";
1454                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1455                 else x = "###";
1456
1457                 TRACE("S-Constant-V3 %u %s %x (%s)\n",
1458                       val, name, sym->constant_v3.type, x);
1459                 /* FIXME: we should add this as a constant value */
1460             }
1461             break;
1462
1463         case S_UDT_V1:
1464             if (sym->udt_v1.type)
1465             {
1466                 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1467                     symt_new_typedef(msc_dbg->module, symt,
1468                                      terminate_string(&sym->udt_v1.p_name));
1469                 else
1470                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1471                           terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1472             }
1473             break;
1474         case S_UDT_V2:
1475             if (sym->udt_v2.type)
1476             {
1477                 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1478                     symt_new_typedef(msc_dbg->module, symt,
1479                                      terminate_string(&sym->udt_v2.p_name));
1480                 else
1481                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1482                           terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1483             }
1484             break;
1485         case S_UDT_V3:
1486             if (sym->udt_v3.type)
1487             {
1488                 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1489                     symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1490                 else
1491                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1492                           sym->udt_v3.name, sym->udt_v3.type);
1493             }
1494             break;
1495
1496          /*
1497          * These are special, in that they are always followed by an
1498          * additional length-prefixed string which is *not* included
1499          * into the symbol length count.  We need to skip it.
1500          */
1501         case S_PROCREF_V1:
1502         case S_DATAREF_V1:
1503         case S_LPROCREF_V1:
1504             name = (const char*)sym + length;
1505             length += (*name + 1 + 3) & ~3;
1506             break;
1507
1508         case S_PUB_DATA_V3:
1509             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1510             {
1511                 flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
1512                 symt_new_public(msc_dbg->module,
1513                                 flt ? flt->compiland : NULL,
1514                                 sym->data_v3.name,
1515                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1516                                 0, FALSE /* FIXME */, FALSE);
1517             }
1518             break;
1519         case S_PUB_FUNC1_V3:
1520         case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1521             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1522             {
1523                 flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
1524                 symt_new_public(msc_dbg->module,
1525                                 flt ? flt->compiland : NULL,
1526                                 sym->data_v3.name,
1527                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1528                                 0, TRUE /* FIXME */, TRUE);
1529             }
1530             break;
1531
1532         case S_MSTOOL_V3: /* just to silence a few warnings */
1533             break;
1534
1535         default:
1536             FIXME("Unsupported symbol id %x\n", sym->generic.id);
1537             dump(sym, 2 + sym->generic.len);
1538             break;
1539         }
1540     }
1541
1542     if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1543
1544     HeapFree(GetProcessHeap(), 0, linetab);
1545     return TRUE;
1546 }
1547
1548 /*========================================================================
1549  * Process PDB file.
1550  */
1551
1552 struct pdb_lookup
1553 {
1554     const char*                 filename;
1555     enum {PDB_JG, PDB_DS}       kind;
1556     union
1557     {
1558         struct
1559         {
1560             DWORD               timestamp;
1561             struct PDB_JG_TOC*  toc;
1562         } jg;
1563         struct
1564         {
1565             GUID                guid;
1566             struct PDB_DS_TOC*  toc;
1567         } ds;
1568     } u;
1569 };
1570
1571 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1572                          int size)
1573 {
1574     int                         i, num_blocks;
1575     BYTE*                       buffer;
1576
1577     if (!size) return NULL;
1578
1579     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1580     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1581
1582     for (i = 0; i < num_blocks; i++)
1583         memcpy(buffer + i * pdb->block_size,
1584                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1585
1586     return buffer;
1587 }
1588
1589 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
1590                          int size)
1591 {
1592     int                         i, num_blocks;
1593     BYTE*                       buffer;
1594
1595     if (!size) return NULL;
1596
1597     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1598     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1599
1600     for (i = 0; i < num_blocks; i++)
1601         memcpy(buffer + i * pdb->block_size,
1602                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1603
1604     return buffer;
1605 }
1606
1607 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
1608                               const struct PDB_JG_TOC* toc, DWORD file_nr)
1609 {
1610     const WORD*                 block_list;
1611     DWORD                       i;
1612
1613     if (!toc || file_nr >= toc->num_files) return NULL;
1614
1615     block_list = (const WORD*) &toc->file[toc->num_files];
1616     for (i = 0; i < file_nr; i++)
1617         block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
1618
1619     return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
1620 }
1621
1622 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
1623                               const struct PDB_DS_TOC* toc, DWORD file_nr)
1624 {
1625     const DWORD*                block_list;
1626     DWORD                       i;
1627
1628     if (!toc || file_nr >= toc->num_files) return NULL;
1629
1630     if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
1631     {
1632         FIXME(">>> requesting NULL stream (%lu)\n", file_nr);
1633         return NULL;
1634     }
1635     block_list = &toc->file_size[toc->num_files];
1636     for (i = 0; i < file_nr; i++)
1637         block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
1638
1639     return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
1640 }
1641
1642 static void* pdb_read_file(const BYTE* image, const struct pdb_lookup* pdb_lookup,
1643                            DWORD file_nr)
1644 {
1645     switch (pdb_lookup->kind)
1646     {
1647     case PDB_JG:
1648         return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
1649                                 pdb_lookup->u.jg.toc, file_nr);
1650     case PDB_DS:
1651         return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
1652                                 pdb_lookup->u.ds.toc, file_nr);
1653     }
1654     return NULL;
1655 }
1656
1657 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
1658 {
1659     switch (pdb_lookup->kind)
1660     {
1661     case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
1662     case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
1663     }
1664     return 0;
1665 }
1666
1667 static void pdb_free(void* buffer)
1668 {
1669     HeapFree(GetProcessHeap(), 0, buffer);
1670 }
1671
1672 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
1673 {
1674     switch (pdb_lookup->kind)
1675     {
1676     case PDB_JG:
1677         if (pdb_lookup->u.jg.toc) pdb_free(pdb_lookup->u.jg.toc);
1678         break;
1679     case PDB_DS:
1680         if (pdb_lookup->u.ds.toc) pdb_free(pdb_lookup->u.ds.toc);
1681         break;
1682     }
1683 }
1684
1685 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
1686 {
1687     memset(types, 0, sizeof(PDB_TYPES));
1688     if (!image) return;
1689
1690     if (*(const DWORD*)image < 19960000)   /* FIXME: correct version? */
1691     {
1692         /* Old version of the types record header */
1693         const PDB_TYPES_OLD*    old = (const PDB_TYPES_OLD*)image;
1694         types->version     = old->version;
1695         types->type_offset = sizeof(PDB_TYPES_OLD);
1696         types->type_size   = old->type_size;
1697         types->first_index = old->first_index;
1698         types->last_index  = old->last_index;
1699         types->file        = old->file;
1700     }
1701     else
1702     {
1703         /* New version of the types record header */
1704         *types = *(const PDB_TYPES*)image;
1705     }
1706 }
1707
1708 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
1709                                        int* header_size, const BYTE* image)
1710 {
1711     memset(symbols, 0, sizeof(PDB_SYMBOLS));
1712     if (!image) return;
1713
1714     if (*(const DWORD*)image != 0xffffffff)
1715     {
1716         /* Old version of the symbols record header */
1717         const PDB_SYMBOLS_OLD*  old = (const PDB_SYMBOLS_OLD*)image;
1718         symbols->version         = 0;
1719         symbols->module_size     = old->module_size;
1720         symbols->offset_size     = old->offset_size;
1721         symbols->hash_size       = old->hash_size;
1722         symbols->srcmodule_size  = old->srcmodule_size;
1723         symbols->pdbimport_size  = 0;
1724         symbols->hash1_file      = old->hash1_file;
1725         symbols->hash2_file      = old->hash2_file;
1726         symbols->gsym_file       = old->gsym_file;
1727
1728         *header_size = sizeof(PDB_SYMBOLS_OLD);
1729     }
1730     else
1731     {
1732         /* New version of the symbols record header */
1733         *symbols = *(const PDB_SYMBOLS*)image;
1734         *header_size = sizeof(PDB_SYMBOLS);
1735     }
1736 }
1737
1738 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
1739                                     PDB_SYMBOL_FILE_EX* sfile,
1740                                     unsigned* size, const void* image)
1741
1742 {
1743     if (symbols->version < 19970000)
1744     {
1745         const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
1746         memset(sfile, 0, sizeof(*sfile));
1747         sfile->file        = sym_file->file;
1748         sfile->range.index = sym_file->range.index;
1749         sfile->symbol_size = sym_file->symbol_size;
1750         sfile->lineno_size = sym_file->lineno_size;
1751         *size = sizeof(PDB_SYMBOL_FILE) - 1;
1752     }
1753     else
1754     {
1755         memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
1756         *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
1757     }
1758 }
1759
1760 static BOOL CALLBACK pdb_match(char* file, void* user)
1761 {
1762     /* accept first file */
1763     return FALSE;
1764 }
1765
1766 static HANDLE open_pdb_file(const struct process* pcs, const char* filename)
1767 {
1768     HANDLE      h;
1769     char        dbg_file_path[MAX_PATH];
1770
1771     h = CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
1772                     OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1773     /* FIXME: should give more bits on the file to look at */
1774     if (h == INVALID_HANDLE_VALUE &&
1775         SymFindFileInPath(pcs->handle, NULL, (char*)filename, NULL, 0, 0, 0,
1776                           dbg_file_path, pdb_match, NULL))
1777     {
1778         h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
1779                         OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1780     }
1781     return (h == INVALID_HANDLE_VALUE) ? NULL : h;
1782 }
1783
1784 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
1785                               const char* image, struct pdb_lookup* pdb_lookup)
1786 {
1787     char*       types_image = NULL;
1788
1789     types_image = pdb_read_file(image, pdb_lookup, 2);
1790     if (types_image)
1791     {
1792         PDB_TYPES   types;
1793         pdb_convert_types_header(&types, types_image);
1794
1795         /* Check for unknown versions */
1796         switch (types.version)
1797         {
1798         case 19950410:      /* VC 4.0 */
1799         case 19951122:
1800         case 19961031:      /* VC 5.0 / 6.0 */
1801         case 19990903:
1802             break;
1803         default:
1804             ERR("-Unknown type info version %ld\n", types.version);
1805         }
1806
1807         /* Read type table */
1808         codeview_parse_type_table(msc_dbg->module, types_image + types.type_offset,
1809                                   types.type_size);
1810         pdb_free(types_image);
1811     }
1812 }
1813
1814 static const char       PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
1815 static const char       PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
1816
1817 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image)
1818 {
1819     /* check the file header, and if ok, load the TOC */
1820     TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
1821     switch (pdb_lookup->kind)
1822     {
1823     case PDB_JG:
1824         pdb_lookup->u.jg.toc = NULL;
1825         if (memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
1826         {
1827             FIXME("Couldn't match JG header\n");
1828             return FALSE;
1829         }
1830         else
1831         {
1832             const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
1833             struct PDB_JG_ROOT*         root;
1834
1835             pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
1836             root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
1837             if (!root)
1838             {
1839                 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1840                 return FALSE;
1841             }
1842             switch (root->Version)
1843             {
1844             case 19950623:      /* VC 4.0 */
1845             case 19950814:
1846             case 19960307:      /* VC 5.0 */
1847             case 19970604:      /* VC 6.0 */
1848                 break;
1849             default:
1850                 ERR("-Unknown root block version %ld\n", root->Version);
1851             }
1852             /* Check .PDB time stamp */
1853             if (root->TimeDateStamp != pdb_lookup->u.jg.timestamp)
1854             {
1855                 ERR("-Wrong time stamp of .PDB file %s (0x%08lx, 0x%08lx)\n",
1856                     pdb_lookup->filename, root->TimeDateStamp,
1857                     pdb_lookup->u.jg.timestamp);
1858             }
1859             pdb_free(root);
1860         }
1861         break;
1862     case PDB_DS:
1863         pdb_lookup->u.ds.toc = NULL;
1864         if (memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
1865         {
1866             FIXME("Couldn't match DS header\n");
1867             return FALSE;
1868         }
1869         else
1870         {
1871             const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
1872             struct PDB_DS_ROOT*         root;
1873
1874             pdb_lookup->u.ds.toc =
1875                 pdb_ds_read(pdb,
1876                             (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
1877                             pdb->toc_size);
1878             root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
1879             if (!root)
1880             {
1881                 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1882                 return FALSE;
1883             }
1884             switch (root->Version)
1885             {
1886             case 20000404:
1887                 break;
1888             default:
1889                 ERR("-Unknown root block version %ld\n", root->Version);
1890             }
1891             /* Check .PDB time stamp */
1892             if (memcmp(&root->guid, &pdb_lookup->u.ds.guid, sizeof(GUID)))
1893             {
1894                 ERR("-Wrong GUID of .PDB file %s (%s, %s)\n",
1895                     pdb_lookup->filename,
1896                     wine_dbgstr_guid(&root->guid),
1897                     wine_dbgstr_guid(&pdb_lookup->u.ds.guid));
1898             }
1899             pdb_free(root);
1900         }
1901         break;
1902     }
1903
1904     if (0) /* some tool to dump the internal files from a PDB file */
1905     {
1906         int     i, num_files;
1907
1908         switch (pdb_lookup->kind)
1909         {
1910         case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
1911         case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
1912         }
1913
1914         for (i = 1; i < num_files; i++)
1915         {
1916             unsigned char* x = pdb_read_file(image, pdb_lookup, i);
1917             FIXME("********************** [%u]: size=%08x\n",
1918                   i, pdb_get_file_size(pdb_lookup, i));
1919             dump(x, pdb_get_file_size(pdb_lookup, i));
1920             pdb_free(x);
1921         }
1922     }
1923     return TRUE;
1924 }
1925
1926 static BOOL pdb_process_internal(const struct process* pcs,
1927                                  const struct msc_debug_info* msc_dbg,
1928                                  struct pdb_lookup* pdb_lookup,
1929                                  unsigned module_index);
1930
1931 static void pdb_process_symbol_imports(const struct process* pcs,
1932                                        const struct msc_debug_info* msc_dbg,
1933                                        PDB_SYMBOLS* symbols,
1934                                        const void* symbols_image,
1935                                        char* image, struct pdb_lookup* pdb_lookup,
1936                                        unsigned module_index)
1937 {
1938     if (module_index == -1 && symbols && symbols->pdbimport_size)
1939     {
1940         const PDB_SYMBOL_IMPORT*imp;
1941         const void*             first;
1942         const void*             last;
1943         const char*             ptr;
1944         int                     i = 0;
1945
1946         imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
1947                                          symbols->module_size + symbols->offset_size +
1948                                          symbols->hash_size + symbols->srcmodule_size);
1949         first = (const char*)imp;
1950         last = (const char*)imp + symbols->pdbimport_size;
1951         while (imp < (const PDB_SYMBOL_IMPORT*)last)
1952         {
1953             ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
1954             if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
1955             if (!strcasecmp(pdb_lookup->filename, imp->filename))
1956             {
1957                 if (module_index != -1) FIXME("Twice the entry\n");
1958                 else module_index = i;
1959             }
1960             else
1961             {
1962                 struct pdb_lookup       imp_pdb_lookup;
1963
1964                 imp_pdb_lookup.filename = imp->filename;
1965                 imp_pdb_lookup.kind = PDB_JG;
1966                 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
1967                 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
1968             }
1969             i++;
1970             imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
1971         }
1972     }
1973     cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
1974     if (cv_current_module->allowed) FIXME("Already allowed ??\n");
1975     cv_current_module->allowed = TRUE;
1976     pdb_process_types(msc_dbg, image, pdb_lookup);
1977 }
1978
1979 static BOOL pdb_process_internal(const struct process* pcs,
1980                                  const struct msc_debug_info* msc_dbg,
1981                                  struct pdb_lookup* pdb_lookup,
1982                                  unsigned module_index)
1983 {
1984     BOOL        ret = FALSE;
1985     HANDLE      hFile, hMap = NULL;
1986     char*       image = NULL;
1987     char*       symbols_image = NULL;
1988
1989     TRACE("Processing PDB file %s\n", pdb_lookup->filename);
1990
1991     /* Open and map() .PDB file */
1992     if ((hFile = open_pdb_file(pcs, pdb_lookup->filename)) == NULL ||
1993         ((hMap = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
1994         ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
1995     {
1996         ERR("-Unable to peruse .PDB file %s\n", pdb_lookup->filename);
1997         goto leave;
1998     }
1999     pdb_init(pdb_lookup, image);
2000
2001     symbols_image = pdb_read_file(image, pdb_lookup, 3);
2002     if (symbols_image)
2003     {
2004         PDB_SYMBOLS symbols;
2005         char*       modimage;
2006         char*       file;
2007         int         header_size = 0;
2008
2009         pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2010         switch (symbols.version)
2011         {
2012         case 0:            /* VC 4.0 */
2013         case 19960307:     /* VC 5.0 */
2014         case 19970606:     /* VC 6.0 */
2015         case 19990903:
2016             break;
2017         default:
2018             ERR("-Unknown symbol info version %ld %08lx\n",
2019                 symbols.version, symbols.version);
2020         }
2021
2022         pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2023
2024         /* Read global symbol table */
2025         modimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2026         if (modimage)
2027         {
2028             codeview_snarf(msc_dbg, modimage, 0,
2029                            pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL);
2030
2031             pdb_free(modimage);
2032         }
2033
2034         /* Read per-module symbol / linenumber tables */
2035         file = symbols_image + header_size;
2036         while (file - symbols_image < header_size + symbols.module_size)
2037         {
2038             PDB_SYMBOL_FILE_EX          sfile;
2039             const char*                 file_name;
2040             unsigned                    size;
2041
2042             HeapValidate(GetProcessHeap(), 0, NULL);
2043             pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2044
2045             modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2046             if (modimage)
2047             {
2048                 struct codeview_linetab*    linetab = NULL;
2049
2050                 if (sfile.lineno_size)
2051                     linetab = codeview_snarf_linetab(msc_dbg->module,
2052                                                      modimage + sfile.symbol_size,
2053                                                      sfile.lineno_size,
2054                                                      pdb_lookup->kind == PDB_JG);
2055
2056                 if (sfile.symbol_size)
2057                     codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2058                                    sfile.symbol_size, linetab);
2059
2060                 pdb_free(modimage);
2061             }
2062             file_name = (const char*)file + size;
2063             file_name += strlen(file_name) + 1;
2064             file = (char*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
2065         }
2066     }
2067     else
2068         pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2069                                    module_index);
2070     msc_dbg->module->module.SymType = SymCv;
2071     ret = TRUE;
2072
2073  leave:
2074     /* Cleanup */
2075     if (symbols_image) pdb_free(symbols_image);
2076     pdb_free_lookup(pdb_lookup);
2077
2078     if (image) UnmapViewOfFile(image);
2079     if (hMap) CloseHandle(hMap);
2080     if (hFile) CloseHandle(hFile);
2081
2082     return ret;
2083 }
2084
2085 static BOOL pdb_process_file(const struct process* pcs,
2086                              const struct msc_debug_info* msc_dbg,
2087                              struct pdb_lookup* pdb_lookup)
2088 {
2089     BOOL        ret;
2090
2091     memset(cv_zmodules, 0, sizeof(cv_zmodules));
2092     codeview_init_basic_types(msc_dbg->module);
2093     ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2094     codeview_clear_type_table();
2095     return ret;
2096 }
2097
2098 /*========================================================================
2099  * Process CodeView debug information.
2100  */
2101
2102 #define MAKESIG(a,b,c,d)        ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2103 #define CODEVIEW_NB09_SIG       MAKESIG('N','B','0','9')
2104 #define CODEVIEW_NB10_SIG       MAKESIG('N','B','1','0')
2105 #define CODEVIEW_NB11_SIG       MAKESIG('N','B','1','1')
2106 #define CODEVIEW_RSDS_SIG       MAKESIG('R','S','D','S')
2107
2108 typedef struct _CODEVIEW_HEADER_NBxx
2109 {
2110     DWORD       dwSignature;
2111     DWORD       lfoDirectory;
2112 } CODEVIEW_HEADER_NBxx,* PCODEVIEW_HEADER_NBxx;
2113
2114 typedef struct _CODEVIEW_HEADER_RSDS
2115 {
2116     DWORD       dwSignature;
2117     GUID        guid;
2118     DWORD       unknown;
2119     CHAR        name[1];
2120 } CODEVIEW_HEADER_RSDS,* PCODEVIEW_HEADER_RSDS;
2121
2122 typedef struct _CODEVIEW_PDB_DATA
2123 {
2124     DWORD       timestamp;
2125     DWORD       unknown;
2126     CHAR        name[1];
2127 } CODEVIEW_PDB_DATA, *PCODEVIEW_PDB_DATA;
2128
2129 typedef struct _CV_DIRECTORY_HEADER
2130 {
2131     WORD        cbDirHeader;
2132     WORD        cbDirEntry;
2133     DWORD       cDir;
2134     DWORD       lfoNextDir;
2135     DWORD       flags;
2136 } CV_DIRECTORY_HEADER, *PCV_DIRECTORY_HEADER;
2137
2138 typedef struct _CV_DIRECTORY_ENTRY
2139 {
2140     WORD        subsection;
2141     WORD        iMod;
2142     DWORD       lfo;
2143     DWORD       cb;
2144 } CV_DIRECTORY_ENTRY, *PCV_DIRECTORY_ENTRY;
2145
2146 #define sstAlignSym             0x125
2147 #define sstSrcModule            0x127
2148
2149 static BOOL codeview_process_info(const struct process* pcs,
2150                                   const struct msc_debug_info* msc_dbg)
2151 {
2152     const CODEVIEW_HEADER_NBxx* cv = (const CODEVIEW_HEADER_NBxx*)msc_dbg->root;
2153     BOOL                        ret = FALSE;
2154     struct pdb_lookup           pdb_lookup;
2155
2156     TRACE("Processing signature %.4s\n", (const char*)&cv->dwSignature);
2157
2158     switch (cv->dwSignature)
2159     {
2160     case CODEVIEW_NB09_SIG:
2161     case CODEVIEW_NB11_SIG:
2162     {
2163         const CV_DIRECTORY_HEADER*      hdr = (const CV_DIRECTORY_HEADER*)(msc_dbg->root + cv->lfoDirectory);
2164         const CV_DIRECTORY_ENTRY*       ent;
2165         const CV_DIRECTORY_ENTRY*       prev;
2166         const CV_DIRECTORY_ENTRY*       next;
2167         unsigned int                    i;
2168
2169         codeview_init_basic_types(msc_dbg->module);
2170         ent = (const CV_DIRECTORY_ENTRY*)((const BYTE*)hdr + hdr->cbDirHeader);
2171         for (i = 0; i < hdr->cDir; i++, ent = next)
2172         {
2173             next = (i == hdr->cDir-1)? NULL :
2174                    (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent + hdr->cbDirEntry);
2175             prev = (i == 0)? NULL :
2176                    (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent - hdr->cbDirEntry);
2177
2178             if (ent->subsection == sstAlignSym)
2179             {
2180                 /*
2181                  * Check the next and previous entry.  If either is a
2182                  * sstSrcModule, it contains the line number info for
2183                  * this file.
2184                  *
2185                  * FIXME: This is not a general solution!
2186                  */
2187                 struct codeview_linetab*        linetab = NULL;
2188
2189                 if (next && next->iMod == ent->iMod &&
2190                     next->subsection == sstSrcModule)
2191                     linetab = codeview_snarf_linetab(msc_dbg->module,
2192                                                      msc_dbg->root + next->lfo, next->cb,
2193                                                      TRUE);
2194
2195                 if (prev && prev->iMod == ent->iMod &&
2196                     prev->subsection == sstSrcModule)
2197                     linetab = codeview_snarf_linetab(msc_dbg->module,
2198                                                      msc_dbg->root + prev->lfo, prev->cb,
2199                                                      TRUE);
2200
2201                 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2202                                ent->cb, linetab);
2203             }
2204         }
2205
2206         msc_dbg->module->module.SymType = SymCv;
2207         ret = TRUE;
2208         break;
2209     }
2210
2211     case CODEVIEW_NB10_SIG:
2212     {
2213         const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)(cv + 1);
2214         pdb_lookup.filename = pdb->name;
2215         pdb_lookup.kind = PDB_JG;
2216         pdb_lookup.u.jg.timestamp = pdb->timestamp;
2217         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2218         break;
2219     }
2220     case CODEVIEW_RSDS_SIG:
2221     {
2222         const CODEVIEW_HEADER_RSDS* rsds = (const CODEVIEW_HEADER_RSDS*)msc_dbg->root;
2223
2224         TRACE("Got RSDS type of PDB file: guid=%s unk=%08lx name=%s\n",
2225               wine_dbgstr_guid(&rsds->guid), rsds->unknown, rsds->name);
2226         pdb_lookup.filename = rsds->name;
2227         pdb_lookup.kind = PDB_DS;
2228         pdb_lookup.u.ds.guid = rsds->guid;
2229         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2230         break;
2231     }
2232     default:
2233         ERR("Unknown CODEVIEW signature %08lX in module %s\n",
2234             cv->dwSignature, msc_dbg->module->module.ModuleName);
2235         break;
2236     }
2237
2238     return ret;
2239 }
2240
2241 /*========================================================================
2242  * Process debug directory.
2243  */
2244 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2245                              const BYTE* mapping,
2246                              const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2247                              const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2248 {
2249     BOOL                        ret;
2250     int                         i;
2251     struct msc_debug_info       msc_dbg;
2252
2253     msc_dbg.module = module;
2254     msc_dbg.nsect  = nsect;
2255     msc_dbg.sectp  = sectp;
2256     msc_dbg.nomap  = 0;
2257     msc_dbg.omapp  = NULL;
2258
2259     __TRY
2260     {
2261         ret = FALSE;
2262
2263         /* First, watch out for OMAP data */
2264         for (i = 0; i < nDbg; i++)
2265         {
2266             if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2267             {
2268                 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2269                 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2270                 break;
2271             }
2272         }
2273
2274         /* Now, try to parse CodeView debug info */
2275         for (i = 0; i < nDbg; i++)
2276         {
2277             if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2278             {
2279                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2280                 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2281             }
2282         }
2283
2284         /* If not found, try to parse COFF debug info */
2285         for (i = 0; i < nDbg; i++)
2286         {
2287             if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2288             {
2289                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2290                 if ((ret = coff_process_info(&msc_dbg))) goto done;
2291             }
2292         }
2293     done:
2294          /* FIXME: this should be supported... this is the debug information for
2295           * functions compiled without a frame pointer (FPO = frame pointer omission)
2296           * the associated data helps finding out the relevant information
2297           */
2298         for (i = 0; i < nDbg; i++)
2299             if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2300                 FIXME("This guy has FPO information\n");
2301 #if 0
2302
2303 #define FRAME_FPO   0
2304 #define FRAME_TRAP  1
2305 #define FRAME_TSS   2
2306
2307 typedef struct _FPO_DATA
2308 {
2309         DWORD       ulOffStart;            /* offset 1st byte of function code */
2310         DWORD       cbProcSize;            /* # bytes in function */
2311         DWORD       cdwLocals;             /* # bytes in locals/4 */
2312         WORD        cdwParams;             /* # bytes in params/4 */
2313
2314         WORD        cbProlog : 8;          /* # bytes in prolog */
2315         WORD        cbRegs   : 3;          /* # regs saved */
2316         WORD        fHasSEH  : 1;          /* TRUE if SEH in func */
2317         WORD        fUseBP   : 1;          /* TRUE if EBP has been allocated */
2318         WORD        reserved : 1;          /* reserved for future use */
2319         WORD        cbFrame  : 2;          /* frame type */
2320 } FPO_DATA;
2321 #endif
2322
2323     }
2324     __EXCEPT(page_fault)
2325     {
2326         ERR("Got a page fault while loading symbols\n");
2327         ret = FALSE;
2328     }
2329     __ENDTRY
2330     return ret;
2331 }