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) 2004-2006, 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 void dump(const void* ptr, unsigned len)
  70 {
  71     int         i, j;
  72     char        msg[128];
  73     const char* hexof = "0123456789abcdef";
  74     const BYTE* x = (const BYTE*)ptr;
  75
  76     for (i = 0; i < len; i += 16)
  77     {
  78         sprintf(msg, "%08x: ", i);
  79         memset(msg + 10, ' ', 3 * 16 + 1 + 16);
  80         for (j = 0; j < min(16, len - i); j++)
  81         {
  82             msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
  83             msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
  84             msg[10 + 3 * j + 2] = ' ';
  85             msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
  86                 x[i + j] : '.';
  87         }
  88         msg[10 + 3 * 16] = ' ';
  89         msg[10 + 3 * 16 + 1 + 16] = '\0';
  90         FIXME("%s\n", msg);
  91     }
  92 }
  93
  94 /*========================================================================
  95  * Process CodeView type information.
  96  */
  97
  98 #define MAX_BUILTIN_TYPES       0x0480
  99 #define FIRST_DEFINABLE_TYPE    0x1000
 100
 101 static struct symt*     cv_basic_types[MAX_BUILTIN_TYPES];
 102
 103 struct cv_defined_module
 104 {
 105     BOOL                allowed;
 106     unsigned int        num_defined_types;
 107     struct symt**       defined_types;
 108 };
 109 /* FIXME: don't make it static */
 110 #define CV_MAX_MODULES          32
 111 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
 112 static struct cv_defined_module*cv_current_module;
 113
 114 static void codeview_init_basic_types(struct module* module)
 115 {
 116     /*
 117      * These are the common builtin types that are used by VC++.
 118      */
 119     cv_basic_types[T_NOTYPE] = NULL;
 120     cv_basic_types[T_ABS]    = NULL;
 121     cv_basic_types[T_VOID]   = &symt_new_basic(module, btVoid,  "void", 0)->symt;
 122     cv_basic_types[T_CHAR]   = &symt_new_basic(module, btChar,  "char", 1)->symt;
 123     cv_basic_types[T_SHORT]  = &symt_new_basic(module, btInt,   "short int", 2)->symt;
 124     cv_basic_types[T_LONG]   = &symt_new_basic(module, btInt,   "long int", 4)->symt;
 125     cv_basic_types[T_QUAD]   = &symt_new_basic(module, btInt,   "long long int", 8)->symt;
 126     cv_basic_types[T_UCHAR]  = &symt_new_basic(module, btUInt,  "unsigned char", 1)->symt;
 127     cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt,  "unsigned short", 2)->symt;
 128     cv_basic_types[T_ULONG]  = &symt_new_basic(module, btUInt,  "unsigned long", 4)->symt;
 129     cv_basic_types[T_UQUAD]  = &symt_new_basic(module, btUInt,  "unsigned long long", 8)->symt;
 130     cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
 131     cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
 132     cv_basic_types[T_RCHAR]  = &symt_new_basic(module, btInt,   "signed char", 1)->symt;
 133     cv_basic_types[T_WCHAR]  = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
 134     cv_basic_types[T_INT4]   = &symt_new_basic(module, btInt,   "INT4", 4)->symt;
 135     cv_basic_types[T_UINT4]  = &symt_new_basic(module, btUInt,  "UINT4", 4)->symt;
 136
 137     cv_basic_types[T_32PVOID]   = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
 138     cv_basic_types[T_32PCHAR]   = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
 139     cv_basic_types[T_32PSHORT]  = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
 140     cv_basic_types[T_32PLONG]   = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
 141     cv_basic_types[T_32PQUAD]   = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
 142     cv_basic_types[T_32PUCHAR]  = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
 143     cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
 144     cv_basic_types[T_32PULONG]  = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
 145     cv_basic_types[T_32PUQUAD]  = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
 146     cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
 147     cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
 148     cv_basic_types[T_32PRCHAR]  = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
 149     cv_basic_types[T_32PWCHAR]  = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
 150     cv_basic_types[T_32PINT4]   = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
 151     cv_basic_types[T_32PUINT4]  = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
 152 }
 153
 154 static int numeric_leaf(int* value, const unsigned short int* leaf)
 155 {
 156     unsigned short int type = *leaf++;
 157     int length = 2;
 158
 159     if (type < LF_NUMERIC)
 160     {
 161         *value = type;
 162     }
 163     else
 164     {
 165         switch (type)
 166         {
 167         case LF_CHAR:
 168             length += 1;
 169             *value = *(const char*)leaf;
 170             break;
 171
 172         case LF_SHORT:
 173             length += 2;
 174             *value = *(const short*)leaf;
 175             break;
 176
 177         case LF_USHORT:
 178             length += 2;
 179             *value = *(const unsigned short*)leaf;
 180             break;
 181
 182         case LF_LONG:
 183             length += 4;
 184             *value = *(const int*)leaf;
 185             break;
 186
 187         case LF_ULONG:
 188             length += 4;
 189             *value = *(const unsigned int*)leaf;
 190             break;
 191
 192         case LF_QUADWORD:
 193         case LF_UQUADWORD:
 194             FIXME("Unsupported numeric leaf type %04x\n", type);
 195             length += 8;
 196             *value = 0;    /* FIXME */
 197             break;
 198
 199         case LF_REAL32:
 200             FIXME("Unsupported numeric leaf type %04x\n", type);
 201             length += 4;
 202             *value = 0;    /* FIXME */
 203             break;
 204
 205         case LF_REAL48:
 206             FIXME("Unsupported numeric leaf type %04x\n", type);
 207             length += 6;
 208             *value = 0;    /* FIXME */
 209             break;
 210
 211         case LF_REAL64:
 212             FIXME("Unsupported numeric leaf type %04x\n", type);
 213             length += 8;
 214             *value = 0;    /* FIXME */
 215             break;
 216
 217         case LF_REAL80:
 218             FIXME("Unsupported numeric leaf type %04x\n", type);
 219             length += 10;
 220             *value = 0;    /* FIXME */
 221             break;
 222
 223         case LF_REAL128:
 224             FIXME("Unsupported numeric leaf type %04x\n", type);
 225             length += 16;
 226             *value = 0;    /* FIXME */
 227             break;
 228
 229         case LF_COMPLEX32:
 230             FIXME("Unsupported numeric leaf type %04x\n", type);
 231             length += 4;
 232             *value = 0;    /* FIXME */
 233             break;
 234
 235         case LF_COMPLEX64:
 236             FIXME("Unsupported numeric leaf type %04x\n", type);
 237             length += 8;
 238             *value = 0;    /* FIXME */
 239             break;
 240
 241         case LF_COMPLEX80:
 242             FIXME("Unsupported numeric leaf type %04x\n", type);
 243             length += 10;
 244             *value = 0;    /* FIXME */
 245             break;
 246
 247         case LF_COMPLEX128:
 248             FIXME("Unsupported numeric leaf type %04x\n", type);
 249             length += 16;
 250             *value = 0;    /* FIXME */
 251             break;
 252
 253         case LF_VARSTRING:
 254             FIXME("Unsupported numeric leaf type %04x\n", type);
 255             length += 2 + *leaf;
 256             *value = 0;    /* FIXME */
 257             break;
 258
 259         default:
 260             FIXME("Unknown numeric leaf type %04x\n", type);
 261             *value = 0;
 262             break;
 263         }
 264     }
 265
 266     return length;
 267 }
 268
 269 /* convert a pascal string (as stored in debug information) into
 270  * a C string (null terminated).
 271  */
 272 static const char* terminate_string(const struct p_string* p_name)
 273 {
 274     static char symname[256];
 275
 276     memcpy(symname, p_name->name, p_name->namelen);
 277     symname[p_name->namelen] = '\0';
 278
 279     return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
 280 }
 281
 282 static struct symt*  codeview_get_type(unsigned int typeno, BOOL quiet)
 283 {
 284     struct symt*        symt = NULL;
 285
 286     /*
 287      * Convert Codeview type numbers into something we can grok internally.
 288      * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
 289      * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
 290      */
 291     if (typeno < FIRST_DEFINABLE_TYPE)
 292     {
 293         if (typeno < MAX_BUILTIN_TYPES)
 294             symt = cv_basic_types[typeno];
 295     }
 296     else
 297     {
 298         unsigned        mod_index = typeno >> 24;
 299         unsigned        mod_typeno = typeno & 0x00FFFFFF;
 300         struct cv_defined_module*       mod;
 301
 302         mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
 303
 304         if (mod_index >= CV_MAX_MODULES || !mod->allowed)
 305             FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
 306         else
 307         {
 308             if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
 309                 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
 310         }
 311     }
 312     if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
 313     return symt;
 314 }
 315
 316 struct codeview_type_parse
 317 {
 318     struct module*      module;
 319     const BYTE*         table;
 320     const DWORD*        offset;
 321     DWORD               num;
 322 };
 323
 324 static inline const void* codeview_jump_to_type(struct codeview_type_parse* ctp, DWORD idx)
 325 {
 326     if (idx < FIRST_DEFINABLE_TYPE) return NULL;
 327     idx -= FIRST_DEFINABLE_TYPE;
 328     return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
 329 }
 330
 331 static int codeview_add_type(unsigned int typeno, struct symt* dt)
 332 {
 333     if (typeno < FIRST_DEFINABLE_TYPE)
 334         FIXME("What the heck\n");
 335     if (!cv_current_module)
 336     {
 337         FIXME("Adding %x to non allowed module\n", typeno);
 338         return FALSE;
 339     }
 340     if ((typeno >> 24) != 0)
 341         FIXME("No module index while inserting type-id assumption is wrong %x\n",
 342               typeno);
 343     while (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
 344     {
 345         cv_current_module->num_defined_types += 0x100;
 346         if (cv_current_module->defined_types)
 347             cv_current_module->defined_types = (struct symt**)
 348                 HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 349                             cv_current_module->defined_types,
 350                             cv_current_module->num_defined_types * sizeof(struct symt*));
 351         else
 352             cv_current_module->defined_types = (struct symt**)
 353                 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 354                           cv_current_module->num_defined_types * sizeof(struct symt*));
 355
 356         if (cv_current_module->defined_types == NULL) return FALSE;
 357     }
 358     if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
 359     {
 360         if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
 361             FIXME("Overwritting at %x\n", typeno);
 362     }
 363     cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
 364     return TRUE;
 365 }
 366
 367 static void codeview_clear_type_table(void)
 368 {
 369     int i;
 370
 371     for (i = 0; i < CV_MAX_MODULES; i++)
 372     {
 373         if (cv_zmodules[i].allowed && cv_zmodules[i].defined_types)
 374             HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
 375         cv_zmodules[i].allowed = FALSE;
 376         cv_zmodules[i].defined_types = NULL;
 377         cv_zmodules[i].num_defined_types = 0;
 378     }
 379     cv_current_module = NULL;
 380 }
 381
 382 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
 383                                             unsigned curr_type,
 384                                             const union codeview_type* type, BOOL details);
 385
 386 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
 387 {
 388     if (symt->tag != tag)
 389     {
 390         FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
 391         return NULL;
 392     }
 393     return symt;
 394 }
 395
 396 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
 397                                         unsigned typeno)
 398 {
 399     struct symt*                symt;
 400     const union codeview_type*  p;
 401
 402     if (!typeno) return NULL;
 403     if ((symt = codeview_get_type(typeno, TRUE))) return symt;
 404
 405     /* forward declaration */
 406     if (!(p = codeview_jump_to_type(ctp, typeno)))
 407     {
 408         FIXME("Cannot locate type %x\n", typeno);
 409         return NULL;
 410     }
 411     symt = codeview_parse_one_type(ctp, typeno, p, FALSE);
 412     if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
 413     return symt;
 414 }
 415
 416 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
 417                                               struct symt* existing,
 418                                               unsigned int pointee_type)
 419 {
 420     struct symt* pointee;
 421
 422     if (existing)
 423     {
 424         existing = codeview_cast_symt(existing, SymTagPointerType);
 425         return existing;
 426     }
 427     pointee = codeview_fetch_type(ctp, pointee_type);
 428     return &symt_new_pointer(ctp->module, pointee)->symt;
 429 }
 430
 431 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
 432                                             const char* name,
 433                                             unsigned int elemtype,
 434                                             unsigned int indextype,
 435                                             unsigned int arr_len)
 436 {
 437     struct symt*        elem = codeview_fetch_type(ctp, elemtype);
 438     struct symt*        index = codeview_fetch_type(ctp, indextype);
 439     DWORD               arr_max = 0;
 440
 441     if (elem)
 442     {
 443         DWORD64 elem_size;
 444         symt_get_info(elem, TI_GET_LENGTH, &elem_size);
 445         if (elem_size) arr_max = arr_len / (DWORD)elem_size;
 446     }
 447     return &symt_new_array(ctp->module, 0, arr_max, elem, index)->symt;
 448 }
 449
 450 static int codeview_add_type_enum_field_list(struct module* module,
 451                                              struct symt_enum* symt,
 452                                              const union codeview_reftype* ref_type)
 453 {
 454     const unsigned char*                ptr = ref_type->fieldlist.list;
 455     const unsigned char*                last = (const BYTE*)ref_type + ref_type->generic.len + 2;
 456     const union codeview_fieldtype*     type;
 457
 458     while (ptr < last)
 459     {
 460         if (*ptr >= 0xf0)       /* LF_PAD... */
 461         {
 462             ptr += *ptr & 0x0f;
 463             continue;
 464         }
 465
 466         type = (const union codeview_fieldtype*)ptr;
 467
 468         switch (type->generic.id)
 469         {
 470         case LF_ENUMERATE_V1:
 471         {
 472             int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
 473             const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
 474
 475             symt_add_enum_element(module, symt, terminate_string(p_name), value);
 476             ptr += 2 + 2 + vlen + (1 + p_name->namelen);
 477             break;
 478         }
 479         case LF_ENUMERATE_V3:
 480         {
 481             int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
 482             const char* name = (const char*)&type->enumerate_v3.value + vlen;
 483
 484             symt_add_enum_element(module, symt, name, value);
 485             ptr += 2 + 2 + vlen + (1 + strlen(name));
 486             break;
 487         }
 488
 489         default:
 490             FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
 491             return FALSE;
 492         }
 493     }
 494     return TRUE;
 495 }
 496
 497 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
 498                                      struct symt_udt* symt, const char* name,
 499                                      int value, unsigned type)
 500 {
 501     struct symt*                subtype;
 502     const union codeview_reftype*cv_type;
 503
 504     if ((cv_type = codeview_jump_to_type(ctp, type)))
 505     {
 506         switch (cv_type->generic.id)
 507         {
 508         case LF_BITFIELD_V1:
 509             symt_add_udt_element(ctp->module, symt, name,
 510                                  codeview_fetch_type(ctp, cv_type->bitfield_v1.type),
 511                                  cv_type->bitfield_v1.bitoff,
 512                                  cv_type->bitfield_v1.nbits);
 513             return;
 514         case LF_BITFIELD_V2:
 515             symt_add_udt_element(ctp->module, symt, name,
 516                                  codeview_fetch_type(ctp, cv_type->bitfield_v2.type),
 517                                  cv_type->bitfield_v2.bitoff,
 518                                  cv_type->bitfield_v2.nbits);
 519             return;
 520         }
 521     }
 522     subtype = codeview_fetch_type(ctp, type);
 523
 524     if (subtype)
 525     {
 526         DWORD64 elem_size = 0;
 527         symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
 528         symt_add_udt_element(ctp->module, symt, name, subtype,
 529                              value << 3, (DWORD)elem_size << 3);
 530     }
 531 }
 532
 533 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
 534                                                struct symt_udt* symt,
 535                                                unsigned fieldlistno)
 536 {
 537     const unsigned char*        ptr;
 538     const unsigned char*        last;
 539     int                         value, leaf_len;
 540     const struct p_string*      p_name;
 541     const char*                 c_name;
 542     const union codeview_reftype*type_ref;
 543     const union codeview_fieldtype* type;
 544
 545     if (!fieldlistno) return TRUE;
 546     type_ref = codeview_jump_to_type(ctp, fieldlistno);
 547     ptr = type_ref->fieldlist.list;
 548     last = (const BYTE*)type_ref + type_ref->generic.len + 2;
 549
 550     while (ptr < last)
 551     {
 552         if (*ptr >= 0xf0)       /* LF_PAD... */
 553         {
 554             ptr += *ptr & 0x0f;
 555             continue;
 556         }
 557
 558         type = (const union codeview_fieldtype*)ptr;
 559
 560         switch (type->generic.id)
 561         {
 562         case LF_BCLASS_V1:
 563             leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
 564
 565             /* FIXME: ignored for now */
 566
 567             ptr += 2 + 2 + 2 + leaf_len;
 568             break;
 569
 570         case LF_BCLASS_V2:
 571             leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
 572
 573             /* FIXME: ignored for now */
 574
 575             ptr += 2 + 2 + 4 + leaf_len;
 576             break;
 577
 578         case LF_VBCLASS_V1:
 579         case LF_IVBCLASS_V1:
 580             {
 581                 const unsigned short int* p_vboff;
 582                 int vpoff, vplen;
 583                 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
 584                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
 585                 vplen = numeric_leaf(&vpoff, p_vboff);
 586
 587                 /* FIXME: ignored for now */
 588
 589                 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
 590             }
 591             break;
 592
 593         case LF_VBCLASS_V2:
 594         case LF_IVBCLASS_V2:
 595             {
 596                 const unsigned short int* p_vboff;
 597                 int vpoff, vplen;
 598                 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
 599                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
 600                 vplen = numeric_leaf(&vpoff, p_vboff);
 601
 602                 /* FIXME: ignored for now */
 603
 604                 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
 605             }
 606             break;
 607
 608         case LF_MEMBER_V1:
 609             leaf_len = numeric_leaf(&value, &type->member_v1.offset);
 610             p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
 611
 612             codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
 613                                      type->member_v1.type);
 614
 615             ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
 616             break;
 617
 618         case LF_MEMBER_V2:
 619             leaf_len = numeric_leaf(&value, &type->member_v2.offset);
 620             p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
 621
 622             codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
 623                                      type->member_v2.type);
 624
 625             ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
 626             break;
 627
 628         case LF_MEMBER_V3:
 629             leaf_len = numeric_leaf(&value, &type->member_v3.offset);
 630             c_name = (const char*)&type->member_v3.offset + leaf_len;
 631
 632             codeview_add_udt_element(ctp, symt, c_name, value, type->member_v2.type);
 633
 634             ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
 635             break;
 636
 637         case LF_STMEMBER_V1:
 638             /* FIXME: ignored for now */
 639             ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
 640             break;
 641
 642         case LF_STMEMBER_V2:
 643             /* FIXME: ignored for now */
 644             ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
 645             break;
 646
 647         case LF_METHOD_V1:
 648             /* FIXME: ignored for now */
 649             ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
 650             break;
 651
 652         case LF_METHOD_V2:
 653             /* FIXME: ignored for now */
 654             ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
 655             break;
 656
 657         case LF_NESTTYPE_V1:
 658             /* FIXME: ignored for now */
 659             ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
 660             break;
 661
 662         case LF_NESTTYPE_V2:
 663             /* FIXME: ignored for now */
 664             ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
 665             break;
 666
 667         case LF_VFUNCTAB_V1:
 668             /* FIXME: ignored for now */
 669             ptr += 2 + 2;
 670             break;
 671
 672         case LF_VFUNCTAB_V2:
 673             /* FIXME: ignored for now */
 674             ptr += 2 + 2 + 4;
 675             break;
 676
 677         case LF_ONEMETHOD_V1:
 678             /* FIXME: ignored for now */
 679             switch ((type->onemethod_v1.attribute >> 2) & 7)
 680             {
 681             case 4: case 6: /* (pure) introducing virtual method */
 682                 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
 683                 break;
 684
 685             default:
 686                 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
 687                 break;
 688             }
 689             break;
 690
 691         case LF_ONEMETHOD_V2:
 692             /* FIXME: ignored for now */
 693             switch ((type->onemethod_v2.attribute >> 2) & 7)
 694             {
 695             case 4: case 6: /* (pure) introducing virtual method */
 696                 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
 697                 break;
 698
 699             default:
 700                 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
 701                 break;
 702             }
 703             break;
 704
 705         default:
 706             FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
 707             return FALSE;
 708         }
 709     }
 710
 711     return TRUE;
 712 }
 713
 714 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
 715                                            struct symt* existing,
 716                                            const char* name,
 717                                            unsigned fieldlistno)
 718 {
 719     struct symt_enum*   symt;
 720
 721     if (existing)
 722     {
 723         if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
 724         /* should also check that all fields are the same */
 725     }
 726     else
 727     {
 728         symt = symt_new_enum(ctp->module, name);
 729         if (fieldlistno)
 730         {
 731             const union codeview_reftype* fieldlist;
 732             fieldlist = codeview_jump_to_type(ctp, fieldlistno);
 733             codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
 734         }
 735     }
 736     return &symt->symt;
 737 }
 738
 739 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
 740                                              struct symt* existing,
 741                                              const char* name, int structlen,
 742                                              enum UdtKind kind)
 743 {
 744     struct symt_udt*    symt;
 745
 746     if (existing)
 747     {
 748         if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
 749         /* should also check that all fields are the same */
 750     }
 751     else symt = symt_new_udt(ctp->module, name, structlen, kind);
 752
 753     return &symt->symt;
 754 }
 755
 756 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
 757                                                 struct symt* existing,
 758                                                 unsigned ret_type,
 759                                                 unsigned args_list,
 760                                                 enum CV_call_e call_conv)
 761 {
 762     struct symt_function_signature*     sym;
 763     const union codeview_reftype*       reftype;
 764
 765     if (existing)
 766     {
 767         sym = codeview_cast_symt(existing, SymTagFunctionType);
 768         if (!sym) return NULL;
 769     }
 770     else
 771     {
 772         sym = symt_new_function_signature(ctp->module,
 773                                           codeview_fetch_type(ctp, ret_type),
 774                                           call_conv);
 775     }
 776     if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
 777     {
 778         int i;
 779         switch (reftype->generic.id)
 780         {
 781         case LF_ARGLIST_V1:
 782             for (i = 0; i < reftype->arglist_v1.num; i++)
 783                 symt_add_function_signature_parameter(ctp->module, sym,
 784                                                       codeview_fetch_type(ctp, reftype->arglist_v1.args[i]));
 785             break;
 786         case LF_ARGLIST_V2:
 787             for (i = 0; i < reftype->arglist_v2.num; i++)
 788                 symt_add_function_signature_parameter(ctp->module, sym,
 789                                                       codeview_fetch_type(ctp, reftype->arglist_v2.args[i]));
 790             break;
 791         default:
 792             FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
 793         }
 794     }
 795
 796     return &sym->symt;
 797 }
 798
 799 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
 800                                             unsigned curr_type,
 801                                             const union codeview_type* type, BOOL details)
 802 {
 803     struct symt*                symt;
 804     int                         value, leaf_len;
 805     const struct p_string*      p_name;
 806     const char*                 c_name;
 807     struct symt*                existing;
 808
 809     existing = codeview_get_type(curr_type, TRUE);
 810
 811     switch (type->generic.id)
 812     {
 813     case LF_MODIFIER_V1:
 814         /* FIXME: we don't handle modifiers,
 815          * but readd previous type on the curr_type
 816          */
 817         WARN("Modifier on %x: %s%s%s%s\n",
 818              type->modifier_v1.type,
 819              type->modifier_v1.attribute & 0x01 ? "const " : "",
 820              type->modifier_v1.attribute & 0x02 ? "volatile " : "",
 821              type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
 822              type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
 823         if (!(symt = codeview_get_type(type->modifier_v1.type, TRUE)))
 824             symt = codeview_parse_one_type(ctp, type->modifier_v1.type,
 825                                            codeview_jump_to_type(ctp, type->modifier_v1.type), details);
 826         break;
 827     case LF_MODIFIER_V2:
 828         /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
 829         WARN("Modifier on %x: %s%s%s%s\n",
 830              type->modifier_v2.type,
 831              type->modifier_v2.attribute & 0x01 ? "const " : "",
 832              type->modifier_v2.attribute & 0x02 ? "volatile " : "",
 833              type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
 834              type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
 835         if (!(symt = codeview_get_type(type->modifier_v2.type, TRUE)))
 836             symt = codeview_parse_one_type(ctp, type->modifier_v2.type,
 837                                            codeview_jump_to_type(ctp, type->modifier_v2.type), details);
 838         break;
 839
 840     case LF_POINTER_V1:
 841         symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
 842         break;
 843     case LF_POINTER_V2:
 844         symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
 845         break;
 846
 847     case LF_ARRAY_V1:
 848         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 849         else
 850         {
 851             leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
 852             p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
 853             symt = codeview_add_type_array(ctp, terminate_string(p_name),
 854                                            type->array_v1.elemtype,
 855                                            type->array_v1.idxtype, value);
 856         }
 857         break;
 858     case LF_ARRAY_V2:
 859         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 860         else
 861         {
 862             leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
 863             p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
 864
 865             symt = codeview_add_type_array(ctp, terminate_string(p_name),
 866                                            type->array_v2.elemtype,
 867                                            type->array_v2.idxtype, value);
 868         }
 869         break;
 870     case LF_ARRAY_V3:
 871         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 872         else
 873         {
 874             leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
 875             c_name = (const char*)&type->array_v3.arrlen + leaf_len;
 876
 877             symt = codeview_add_type_array(ctp, c_name,
 878                                            type->array_v3.elemtype,
 879                                            type->array_v3.idxtype, value);
 880         }
 881         break;
 882
 883     case LF_STRUCTURE_V1:
 884     case LF_CLASS_V1:
 885         leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
 886         p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
 887         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
 888                                         type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct);
 889         if (details)
 890         {
 891             codeview_add_type(curr_type, symt);
 892             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 893                                                 type->struct_v1.fieldlist);
 894         }
 895         break;
 896
 897     case LF_STRUCTURE_V2:
 898     case LF_CLASS_V2:
 899         leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
 900         p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
 901         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
 902                                         type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct);
 903         if (details)
 904         {
 905             codeview_add_type(curr_type, symt);
 906             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 907                                                 type->struct_v2.fieldlist);
 908         }
 909         break;
 910
 911     case LF_STRUCTURE_V3:
 912     case LF_CLASS_V3:
 913         leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
 914         c_name = (const char*)&type->struct_v3.structlen + leaf_len;
 915         symt = codeview_add_type_struct(ctp, existing, c_name, value,
 916                                         type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct);
 917         if (details)
 918         {
 919             codeview_add_type(curr_type, symt);
 920             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 921                                                 type->struct_v3.fieldlist);
 922         }
 923         break;
 924
 925     case LF_UNION_V1:
 926         leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
 927         p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
 928         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
 929                                         value, UdtUnion);
 930         if (details)
 931         {
 932             codeview_add_type(curr_type, symt);
 933             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 934                                                 type->union_v1.fieldlist);
 935         }
 936         break;
 937
 938     case LF_UNION_V2:
 939         leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
 940         p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
 941         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
 942                                         value, UdtUnion);
 943         if (details)
 944         {
 945             codeview_add_type(curr_type, symt);
 946             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 947                                                 type->union_v2.fieldlist);
 948         }
 949         break;
 950
 951     case LF_UNION_V3:
 952         leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
 953         c_name = (const char*)&type->union_v3.un_len + leaf_len;
 954         symt = codeview_add_type_struct(ctp, existing, c_name,
 955                                         value, UdtUnion);
 956         if (details)
 957         {
 958             codeview_add_type(curr_type, symt);
 959             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 960                                                 type->union_v3.fieldlist);
 961         }
 962         break;
 963
 964     case LF_ENUM_V1:
 965         symt = codeview_add_type_enum(ctp, existing,
 966                                       terminate_string(&type->enumeration_v1.p_name),
 967                                       type->enumeration_v1.fieldlist);
 968         break;
 969
 970     case LF_ENUM_V2:
 971         symt = codeview_add_type_enum(ctp, existing,
 972                                       terminate_string(&type->enumeration_v2.p_name),
 973                                       type->enumeration_v2.fieldlist);
 974         break;
 975
 976     case LF_ENUM_V3:
 977         symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
 978                                       type->enumeration_v3.fieldlist);
 979         break;
 980
 981     case LF_PROCEDURE_V1:
 982         symt = codeview_new_func_signature(ctp, existing,
 983                                            type->procedure_v1.rvtype,
 984                                            details ? type->procedure_v1.arglist : 0,
 985                                            type->procedure_v1.call);
 986         break;
 987     case LF_PROCEDURE_V2:
 988         symt = codeview_new_func_signature(ctp, existing,
 989                                            type->procedure_v2.rvtype,
 990                                            details ? type->procedure_v2.arglist : 0,
 991                                            type->procedure_v2.call);
 992         break;
 993     case LF_MFUNCTION_V1:
 994         /* FIXME: for C++, this is plain wrong, but as we don't use arg types
 995          * nor class information, this would just do for now
 996          */
 997         symt = codeview_new_func_signature(ctp, existing,
 998                                            type->mfunction_v1.rvtype,
 999                                            details ? type->mfunction_v1.arglist : 0,
1000                                            type->mfunction_v1.call);
1001         break;
1002     case LF_MFUNCTION_V2:
1003         /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1004          * nor class information, this would just do for now
1005          */
1006         symt = codeview_new_func_signature(ctp, existing,
1007                                            type->mfunction_v2.rvtype,
1008                                            details ? type->mfunction_v2.arglist : 0,
1009                                            type->mfunction_v2.call);
1010         break;
1011
1012     default:
1013         FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1014         dump(type, 2 + type->generic.len);
1015         return FALSE;
1016     }
1017     return codeview_add_type(curr_type, symt) ? symt : NULL;
1018 }
1019
1020 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1021 {
1022     unsigned int                curr_type = FIRST_DEFINABLE_TYPE;
1023     const union codeview_type*  type;
1024
1025     for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1026     {
1027         type = codeview_jump_to_type(ctp, curr_type);
1028
1029         /* type records we're interested in are the ones referenced by symbols
1030          * The known ranges are (X mark the ones we want):
1031          *   X  0000-0016       for V1 types
1032          *      0200-020c       for V1 types referenced by other types
1033          *      0400-040f       for V1 types (complex lists & sets)
1034          *   X  1000-100f       for V2 types
1035          *      1200-120c       for V2 types referenced by other types
1036          *      1400-140f       for V1 types (complex lists & sets)
1037          *   X  1500-150d       for V3 types
1038          *      8000-8010       for numeric leafes
1039          */
1040         if (type->generic.id & 0x8600) continue;
1041         codeview_parse_one_type(ctp, curr_type, type, TRUE);
1042     }
1043
1044     return TRUE;
1045 }
1046
1047 /*========================================================================
1048  * Process CodeView line number information.
1049  */
1050
1051 static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
1052                                                        const BYTE* linetab, int size,
1053                                                        BOOL pascal_str)
1054 {
1055     int                         file_segcount;
1056     char                        filename[PATH_MAX];
1057     const unsigned int*         filetab;
1058     const struct p_string*      p_fn;
1059     int                         i;
1060     int                         k;
1061     struct codeview_linetab*    lt_hdr;
1062     const unsigned int*         lt_ptr;
1063     int                         nfile;
1064     int                         nseg;
1065     union any_size              pnt;
1066     union any_size              pnt2;
1067     const struct startend*      start;
1068     int                         this_seg;
1069     unsigned                    source;
1070
1071     /*
1072      * Now get the important bits.
1073      */
1074     pnt.uc = linetab;
1075     nfile = *pnt.s++;
1076     nseg = *pnt.s++;
1077
1078     filetab = (const unsigned int*) pnt.c;
1079
1080     /*
1081      * Now count up the number of segments in the file.
1082      */
1083     nseg = 0;
1084     for (i = 0; i < nfile; i++)
1085     {
1086         pnt2.uc = linetab + filetab[i];
1087         nseg += *pnt2.s;
1088     }
1089
1090     /*
1091      * Next allocate the header we will be returning.
1092      * There is one header for each segment, so that we can reach in
1093      * and pull bits as required.
1094      */
1095     lt_hdr = (struct codeview_linetab*)
1096         HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (nseg + 1) * sizeof(*lt_hdr));
1097     if (lt_hdr == NULL)
1098     {
1099         goto leave;
1100     }
1101
1102     /*
1103      * Now fill the header we will be returning, one for each segment.
1104      * Note that this will basically just contain pointers into the existing
1105      * line table, and we do not actually copy any additional information
1106      * or allocate any additional memory.
1107      */
1108
1109     this_seg = 0;
1110     for (i = 0; i < nfile; i++)
1111     {
1112         /*
1113          * Get the pointer into the segment information.
1114          */
1115         pnt2.uc = linetab + filetab[i];
1116         file_segcount = *pnt2.s;
1117
1118         pnt2.ui++;
1119         lt_ptr = (const unsigned int*) pnt2.c;
1120         start = (const struct startend*)(lt_ptr + file_segcount);
1121
1122         /*
1123          * Now snarf the filename for all of the segments for this file.
1124          */
1125         if (pascal_str)
1126         {
1127             p_fn = (const struct p_string*)(start + file_segcount);
1128             memset(filename, 0, sizeof(filename));
1129             memcpy(filename, p_fn->name, p_fn->namelen);
1130             source = source_new(module, filename);
1131         }
1132         else
1133             source = source_new(module, (const char*)(start + file_segcount));
1134
1135         for (k = 0; k < file_segcount; k++, this_seg++)
1136         {
1137             pnt2.uc = linetab + lt_ptr[k];
1138             lt_hdr[this_seg].start      = start[k].start;
1139             lt_hdr[this_seg].end        = start[k].end;
1140             lt_hdr[this_seg].source     = source;
1141             lt_hdr[this_seg].segno      = *pnt2.s++;
1142             lt_hdr[this_seg].nline      = *pnt2.s++;
1143             lt_hdr[this_seg].offtab     = pnt2.ui;
1144             lt_hdr[this_seg].linetab    = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
1145         }
1146     }
1147
1148 leave:
1149
1150   return lt_hdr;
1151
1152 }
1153
1154 /*========================================================================
1155  * Process CodeView symbol information.
1156  */
1157
1158 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1159                                         unsigned int offset)
1160 {
1161     int                 nomap = msc_dbg->nomap;
1162     const OMAP_DATA*    omapp = msc_dbg->omapp;
1163     int                 i;
1164
1165     if (!nomap || !omapp) return offset;
1166
1167     /* FIXME: use binary search */
1168     for (i = 0; i < nomap - 1; i++)
1169         if (omapp[i].from <= offset && omapp[i+1].from > offset)
1170             return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1171
1172     return 0;
1173 }
1174
1175 static const struct codeview_linetab*
1176 codeview_get_linetab(const struct codeview_linetab* linetab,
1177                      unsigned seg, unsigned offset)
1178 {
1179     /*
1180      * Check whether we have line number information
1181      */
1182     if (linetab)
1183     {
1184         for (; linetab->linetab; linetab++)
1185             if (linetab->segno == seg &&
1186                 linetab->start <= offset && linetab->end   >  offset)
1187                 break;
1188         if (!linetab->linetab) linetab = NULL;
1189     }
1190     return linetab;
1191 }
1192
1193 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1194                                      unsigned seg, unsigned offset)
1195 {
1196     int                         nsect = msc_dbg->nsect;
1197     const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1198
1199     if (!seg || seg > nsect) return 0;
1200     return msc_dbg->module->module.BaseOfImage +
1201         codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1202 }
1203
1204 static void codeview_add_func_linenum(struct module* module,
1205                                       struct symt_function* func,
1206                                       const struct codeview_linetab* linetab,
1207                                       unsigned offset, unsigned size)
1208 {
1209     unsigned int        i;
1210
1211     if (!linetab) return;
1212     for (i = 0; i < linetab->nline; i++)
1213     {
1214         if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
1215         {
1216             symt_add_func_line(module, func, linetab->source,
1217                                linetab->linetab[i], linetab->offtab[i] - offset);
1218         }
1219     }
1220 }
1221
1222 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1223                           int offset, int size,
1224                           struct codeview_linetab* linetab)
1225 {
1226     struct symt_function*               curr_func = NULL;
1227     int                                 i, length;
1228     const struct codeview_linetab*      flt;
1229     struct symt_block*                  block = NULL;
1230     struct symt*                        symt;
1231     const char*                         name;
1232     struct symt_compiland*              compiland = NULL;
1233
1234     /*
1235      * Loop over the different types of records and whenever we
1236      * find something we are interested in, record it and move on.
1237      */
1238     for (i = offset; i < size; i += length)
1239     {
1240         const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1241         length = sym->generic.len + 2;
1242         if (i + length > size) break;
1243         if (length & 3) FIXME("unpadded len %u\n", length);
1244
1245         switch (sym->generic.id)
1246         {
1247         /*
1248          * Global and local data symbols.  We don't associate these
1249          * with any given source file.
1250          */
1251         case S_GDATA_V1:
1252         case S_LDATA_V1:
1253             symt_new_global_variable(msc_dbg->module, compiland,
1254                                      terminate_string(&sym->data_v1.p_name), sym->generic.id == S_LDATA_V1,
1255                                      codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1256                                      0,
1257                                      codeview_get_type(sym->data_v1.symtype, FALSE));
1258             break;
1259         case S_GDATA_V2:
1260         case S_LDATA_V2:
1261             name = terminate_string(&sym->data_v2.p_name);
1262             if (name)
1263                 symt_new_global_variable(msc_dbg->module, compiland,
1264                                          name, sym->generic.id == S_LDATA_V2,
1265                                          codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1266                                          0,
1267                                          codeview_get_type(sym->data_v2.symtype, FALSE));
1268             break;
1269         case S_GDATA_V3:
1270         case S_LDATA_V3:
1271             if (*sym->data_v3.name)
1272                 symt_new_global_variable(msc_dbg->module, compiland,
1273                                          sym->data_v3.name,
1274                                          sym->generic.id == S_LDATA_V3,
1275                                          codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1276                                          0,
1277                                          codeview_get_type(sym->data_v3.symtype, FALSE));
1278             break;
1279
1280         case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1281             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1282             {
1283                 symt_new_public(msc_dbg->module, compiland,
1284                                 terminate_string(&sym->data_v1.p_name),
1285                                 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1286                                 1, TRUE /* FIXME */, TRUE /* FIXME */);
1287             }
1288             break;
1289         case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1290             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1291             {
1292                 symt_new_public(msc_dbg->module, compiland,
1293                                 terminate_string(&sym->data_v2.p_name),
1294                                 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1295                                 1, TRUE /* FIXME */, TRUE /* FIXME */);
1296             }
1297             break;
1298
1299         /*
1300          * Sort of like a global function, but it just points
1301          * to a thunk, which is a stupid name for what amounts to
1302          * a PLT slot in the normal jargon that everyone else uses.
1303          */
1304         case S_THUNK_V1:
1305             symt_new_thunk(msc_dbg->module, compiland,
1306                            terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1307                            codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1308                            sym->thunk_v1.thunk_len);
1309             break;
1310         case S_THUNK_V3:
1311             symt_new_thunk(msc_dbg->module, compiland,
1312                            sym->thunk_v3.name, sym->thunk_v3.thtype,
1313                            codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1314                            sym->thunk_v3.thunk_len);
1315             break;
1316
1317         /*
1318          * Global and static functions.
1319          */
1320         case S_GPROC_V1:
1321         case S_LPROC_V1:
1322             flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
1323             if (curr_func) FIXME("nested function\n");
1324             curr_func = symt_new_function(msc_dbg->module, compiland,
1325                                           terminate_string(&sym->proc_v1.p_name),
1326                                           codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1327                                           sym->proc_v1.proc_len,
1328                                           codeview_get_type(sym->proc_v1.proctype, FALSE));
1329             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1330                                       sym->proc_v1.offset, sym->proc_v1.proc_len);
1331             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v1.debug_start, NULL);
1332             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v1.debug_end, NULL);
1333             break;
1334         case S_GPROC_V2:
1335         case S_LPROC_V2:
1336             flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
1337             if (curr_func) FIXME("nested function\n");
1338             curr_func = symt_new_function(msc_dbg->module, compiland,
1339                                           terminate_string(&sym->proc_v2.p_name),
1340                                           codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1341                                           sym->proc_v2.proc_len,
1342                                           codeview_get_type(sym->proc_v2.proctype, FALSE));
1343             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1344                                       sym->proc_v2.offset, sym->proc_v2.proc_len);
1345             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v2.debug_start, NULL);
1346             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v2.debug_end, NULL);
1347             break;
1348         case S_GPROC_V3:
1349         case S_LPROC_V3:
1350             flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
1351             if (curr_func) FIXME("nested function\n");
1352             curr_func = symt_new_function(msc_dbg->module, compiland,
1353                                           sym->proc_v3.name,
1354                                           codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1355                                           sym->proc_v3.proc_len,
1356                                           codeview_get_type(sym->proc_v3.proctype, FALSE));
1357             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1358                                       sym->proc_v3.offset, sym->proc_v3.proc_len);
1359             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v3.debug_start, NULL);
1360             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v3.debug_end, NULL);
1361             break;
1362         /*
1363          * Function parameters and stack variables.
1364          */
1365         case S_BPREL_V1:
1366             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v1.offset,
1367                                 block, codeview_get_type(sym->stack_v1.symtype, FALSE),
1368                                 terminate_string(&sym->stack_v1.p_name));
1369             break;
1370         case S_BPREL_V2:
1371             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v2.offset,
1372                                 block, codeview_get_type(sym->stack_v2.symtype, FALSE),
1373                                 terminate_string(&sym->stack_v2.p_name));
1374             break;
1375         case S_BPREL_V3:
1376             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v3.offset,
1377                                 block, codeview_get_type(sym->stack_v3.symtype, FALSE),
1378                                 sym->stack_v3.name);
1379             break;
1380
1381         case S_REGISTER_V1:
1382             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v1.reg,
1383                                 block, codeview_get_type(sym->register_v1.type, FALSE),
1384                                 terminate_string(&sym->register_v1.p_name));
1385             break;
1386         case S_REGISTER_V2:
1387             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v2.reg,
1388                                 block, codeview_get_type(sym->register_v2.type, FALSE),
1389                                 terminate_string(&sym->register_v2.p_name));
1390             break;
1391
1392         case S_BLOCK_V1:
1393             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1394                                          codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1395                                          sym->block_v1.length);
1396             break;
1397         case S_BLOCK_V3:
1398             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1399                                          codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1400                                          sym->block_v3.length);
1401             break;
1402
1403         case S_END_V1:
1404             if (block)
1405             {
1406                 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1407             }
1408             else if (curr_func)
1409             {
1410                 symt_normalize_function(msc_dbg->module, curr_func);
1411                 curr_func = NULL;
1412             }
1413             break;
1414
1415         case S_COMPILE_V1:
1416             TRACE("S-Compile-V1 %x %s\n",
1417                   sym->compile_v1.unknown, terminate_string(&sym->compile_v1.p_name));
1418             break;
1419
1420         case S_COMPILE_V2:
1421             TRACE("S-Compile-V2 %s\n", terminate_string(&sym->compile_v2.p_name));
1422             if (TRACE_ON(dbghelp_msc))
1423             {
1424                 const char* ptr1 = sym->compile_v2.p_name.name + sym->compile_v2.p_name.namelen;
1425                 const char* ptr2;
1426                 while (*ptr1)
1427                 {
1428                     ptr2 = ptr1 + strlen(ptr1) + 1;
1429                     TRACE("\t%s => %s\n", ptr1, ptr2);
1430                     ptr1 = ptr2 + strlen(ptr2) + 1;
1431                 }
1432             }
1433             break;
1434         case S_COMPILE_V3:
1435             TRACE("S-Compile-V3 %s\n", sym->compile_v3.name);
1436             if (TRACE_ON(dbghelp_msc))
1437             {
1438                 const char* ptr1 = sym->compile_v3.name + strlen(sym->compile_v3.name);
1439                 const char* ptr2;
1440                 while (*ptr1)
1441                 {
1442                     ptr2 = ptr1 + strlen(ptr1) + 1;
1443                     TRACE("\t%s => %s\n", ptr1, ptr2);
1444                     ptr1 = ptr2 + strlen(ptr2) + 1;
1445                 }
1446             }
1447             break;
1448
1449         case S_OBJNAME_V1:
1450             TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1451             compiland = symt_new_compiland(msc_dbg->module, terminate_string(&sym->objname_v1.p_name));
1452             break;
1453
1454         case S_LABEL_V1:
1455             if (curr_func)
1456             {
1457                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1458                                         codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address,
1459                                         terminate_string(&sym->label_v1.p_name));
1460             }
1461             else
1462                 FIXME("No current function for label %s\n",
1463                       terminate_string(&sym->label_v1.p_name));
1464             break;
1465         case S_LABEL_V3:
1466             if (curr_func)
1467             {
1468                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1469                                         codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address,
1470                                         sym->label_v3.name);
1471             }
1472             else
1473                 FIXME("No current function for label %s\n", sym->label_v3.name);
1474             break;
1475
1476         case S_CONSTANT_V1:
1477             {
1478                 int                     val, vlen;
1479                 const struct p_string*  name;
1480                 const char*             x;
1481                 struct symt*            se;
1482
1483                 vlen = numeric_leaf(&val, &sym->constant_v1.cvalue);
1484                 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1485                 se = codeview_get_type(sym->constant_v1.type, FALSE);
1486                 if (!se) x = "---";
1487                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1488                 else x = "###";
1489
1490                 TRACE("S-Constant-V1 %u %s %x (%s)\n",
1491                       val, terminate_string(name), sym->constant_v1.type, x);
1492                 /* FIXME: we should add this as a constant value */
1493             }
1494             break;
1495         case S_CONSTANT_V2:
1496             {
1497                 int                     val, vlen;
1498                 const struct p_string*  name;
1499                 const char*             x;
1500                 struct symt*            se;
1501
1502                 vlen = numeric_leaf(&val, &sym->constant_v2.cvalue);
1503                 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1504                 se = codeview_get_type(sym->constant_v2.type, FALSE);
1505                 if (!se) x = "---";
1506                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1507                 else x = "###";
1508
1509                 TRACE("S-Constant-V2 %u %s %x (%s)\n",
1510                       val, terminate_string(name), sym->constant_v2.type, x);
1511                 /* FIXME: we should add this as a constant value */
1512             }
1513             break;
1514         case S_CONSTANT_V3:
1515             {
1516                 int                     val, vlen;
1517                 const char*             name;
1518                 const char*             x;
1519                 struct symt*            se;
1520
1521                 vlen = numeric_leaf(&val, &sym->constant_v3.cvalue);
1522                 name = (const char*)&sym->constant_v3.cvalue + vlen;
1523                 se = codeview_get_type(sym->constant_v3.type, FALSE);
1524                 if (!se) x = "---";
1525                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1526                 else x = "###";
1527
1528                 TRACE("S-Constant-V3 %u %s %x (%s)\n",
1529                       val, name, sym->constant_v3.type, x);
1530                 /* FIXME: we should add this as a constant value */
1531             }
1532             break;
1533
1534         case S_UDT_V1:
1535             if (sym->udt_v1.type)
1536             {
1537                 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1538                     symt_new_typedef(msc_dbg->module, symt,
1539                                      terminate_string(&sym->udt_v1.p_name));
1540                 else
1541                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1542                           terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1543             }
1544             break;
1545         case S_UDT_V2:
1546             if (sym->udt_v2.type)
1547             {
1548                 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1549                     symt_new_typedef(msc_dbg->module, symt,
1550                                      terminate_string(&sym->udt_v2.p_name));
1551                 else
1552                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1553                           terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1554             }
1555             break;
1556         case S_UDT_V3:
1557             if (sym->udt_v3.type)
1558             {
1559                 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1560                     symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1561                 else
1562                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1563                           sym->udt_v3.name, sym->udt_v3.type);
1564             }
1565             break;
1566
1567          /*
1568          * These are special, in that they are always followed by an
1569          * additional length-prefixed string which is *not* included
1570          * into the symbol length count.  We need to skip it.
1571          */
1572         case S_PROCREF_V1:
1573         case S_DATAREF_V1:
1574         case S_LPROCREF_V1:
1575             name = (const char*)sym + length;
1576             length += (*name + 1 + 3) & ~3;
1577             break;
1578
1579         case S_PUB_DATA_V3:
1580             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1581             {
1582                 symt_new_public(msc_dbg->module, compiland,
1583                                 sym->data_v3.name,
1584                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1585                                 1, FALSE /* FIXME */, FALSE);
1586             }
1587             break;
1588         case S_PUB_FUNC1_V3:
1589         case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1590             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1591             {
1592                 symt_new_public(msc_dbg->module, compiland,
1593                                 sym->data_v3.name,
1594                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1595                                 1, TRUE /* FIXME */, TRUE);
1596             }
1597             break;
1598
1599         case S_MSTOOL_V3: /* just to silence a few warnings */
1600             break;
1601
1602         case S_SSEARCH_V1:
1603             TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1604                   sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1605             break;
1606
1607         default:
1608             FIXME("Unsupported symbol id %x\n", sym->generic.id);
1609             dump(sym, 2 + sym->generic.len);
1610             break;
1611         }
1612     }
1613
1614     if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1615
1616     HeapFree(GetProcessHeap(), 0, linetab);
1617     return TRUE;
1618 }
1619
1620 /*========================================================================
1621  * Process PDB file.
1622  */
1623
1624 struct pdb_lookup
1625 {
1626     const char*                 filename;
1627     enum {PDB_JG, PDB_DS}       kind;
1628     union
1629     {
1630         struct
1631         {
1632             DWORD               timestamp;
1633             struct PDB_JG_TOC*  toc;
1634         } jg;
1635         struct
1636         {
1637             GUID                guid;
1638             struct PDB_DS_TOC*  toc;
1639         } ds;
1640     } u;
1641 };
1642
1643 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1644                          int size)
1645 {
1646     int                         i, num_blocks;
1647     BYTE*                       buffer;
1648
1649     if (!size) return NULL;
1650
1651     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1652     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1653
1654     for (i = 0; i < num_blocks; i++)
1655         memcpy(buffer + i * pdb->block_size,
1656                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1657
1658     return buffer;
1659 }
1660
1661 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
1662                          int size)
1663 {
1664     int                         i, num_blocks;
1665     BYTE*                       buffer;
1666
1667     if (!size) return NULL;
1668
1669     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1670     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1671
1672     for (i = 0; i < num_blocks; i++)
1673         memcpy(buffer + i * pdb->block_size,
1674                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1675
1676     return buffer;
1677 }
1678
1679 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
1680                               const struct PDB_JG_TOC* toc, DWORD file_nr)
1681 {
1682     const WORD*                 block_list;
1683     DWORD                       i;
1684
1685     if (!toc || file_nr >= toc->num_files) return NULL;
1686
1687     block_list = (const WORD*) &toc->file[toc->num_files];
1688     for (i = 0; i < file_nr; i++)
1689         block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
1690
1691     return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
1692 }
1693
1694 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
1695                               const struct PDB_DS_TOC* toc, DWORD file_nr)
1696 {
1697     const DWORD*                block_list;
1698     DWORD                       i;
1699
1700     if (!toc || file_nr >= toc->num_files) return NULL;
1701
1702     if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
1703     {
1704         FIXME(">>> requesting NULL stream (%lu)\n", file_nr);
1705         return NULL;
1706     }
1707     block_list = &toc->file_size[toc->num_files];
1708     for (i = 0; i < file_nr; i++)
1709         block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
1710
1711     return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
1712 }
1713
1714 static void* pdb_read_file(const char* image, const struct pdb_lookup* pdb_lookup,
1715                            DWORD file_nr)
1716 {
1717     switch (pdb_lookup->kind)
1718     {
1719     case PDB_JG:
1720         return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
1721                                 pdb_lookup->u.jg.toc, file_nr);
1722     case PDB_DS:
1723         return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
1724                                 pdb_lookup->u.ds.toc, file_nr);
1725     }
1726     return NULL;
1727 }
1728
1729 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
1730 {
1731     switch (pdb_lookup->kind)
1732     {
1733     case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
1734     case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
1735     }
1736     return 0;
1737 }
1738
1739 static void pdb_free(void* buffer)
1740 {
1741     HeapFree(GetProcessHeap(), 0, buffer);
1742 }
1743
1744 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
1745 {
1746     switch (pdb_lookup->kind)
1747     {
1748     case PDB_JG:
1749         if (pdb_lookup->u.jg.toc) pdb_free(pdb_lookup->u.jg.toc);
1750         break;
1751     case PDB_DS:
1752         if (pdb_lookup->u.ds.toc) pdb_free(pdb_lookup->u.ds.toc);
1753         break;
1754     }
1755 }
1756
1757 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
1758 {
1759     memset(types, 0, sizeof(PDB_TYPES));
1760     if (!image) return;
1761
1762     if (*(const DWORD*)image < 19960000)   /* FIXME: correct version? */
1763     {
1764         /* Old version of the types record header */
1765         const PDB_TYPES_OLD*    old = (const PDB_TYPES_OLD*)image;
1766         types->version     = old->version;
1767         types->type_offset = sizeof(PDB_TYPES_OLD);
1768         types->type_size   = old->type_size;
1769         types->first_index = old->first_index;
1770         types->last_index  = old->last_index;
1771         types->file        = old->file;
1772     }
1773     else
1774     {
1775         /* New version of the types record header */
1776         *types = *(const PDB_TYPES*)image;
1777     }
1778 }
1779
1780 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
1781                                        int* header_size, const BYTE* image)
1782 {
1783     memset(symbols, 0, sizeof(PDB_SYMBOLS));
1784     if (!image) return;
1785
1786     if (*(const DWORD*)image != 0xffffffff)
1787     {
1788         /* Old version of the symbols record header */
1789         const PDB_SYMBOLS_OLD*  old = (const PDB_SYMBOLS_OLD*)image;
1790         symbols->version         = 0;
1791         symbols->module_size     = old->module_size;
1792         symbols->offset_size     = old->offset_size;
1793         symbols->hash_size       = old->hash_size;
1794         symbols->srcmodule_size  = old->srcmodule_size;
1795         symbols->pdbimport_size  = 0;
1796         symbols->hash1_file      = old->hash1_file;
1797         symbols->hash2_file      = old->hash2_file;
1798         symbols->gsym_file       = old->gsym_file;
1799
1800         *header_size = sizeof(PDB_SYMBOLS_OLD);
1801     }
1802     else
1803     {
1804         /* New version of the symbols record header */
1805         *symbols = *(const PDB_SYMBOLS*)image;
1806         *header_size = sizeof(PDB_SYMBOLS);
1807     }
1808 }
1809
1810 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
1811                                     PDB_SYMBOL_FILE_EX* sfile,
1812                                     unsigned* size, const void* image)
1813
1814 {
1815     if (symbols->version < 19970000)
1816     {
1817         const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
1818         memset(sfile, 0, sizeof(*sfile));
1819         sfile->file        = sym_file->file;
1820         sfile->range.index = sym_file->range.index;
1821         sfile->symbol_size = sym_file->symbol_size;
1822         sfile->lineno_size = sym_file->lineno_size;
1823         *size = sizeof(PDB_SYMBOL_FILE) - 1;
1824     }
1825     else
1826     {
1827         memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
1828         *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
1829     }
1830 }
1831
1832 static BOOL CALLBACK pdb_match(char* file, void* user)
1833 {
1834     /* accept first file that exists */
1835     HANDLE h = CreateFileA(file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1836     TRACE("match with %s returns %p\n", file, h);
1837     if (INVALID_HANDLE_VALUE != h) {
1838         CloseHandle(h);
1839         return FALSE;
1840     }
1841     return TRUE;
1842 }
1843
1844 static HANDLE open_pdb_file(const struct process* pcs, const char* filename)
1845 {
1846     HANDLE      h;
1847     char        dbg_file_path[MAX_PATH];
1848
1849     h = CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
1850                     OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1851     /* FIXME: should give more bits on the file to look at */
1852     if (h == INVALID_HANDLE_VALUE &&
1853         SymFindFileInPath(pcs->handle, NULL, (char*)filename, NULL, 0, 0, 0,
1854                           dbg_file_path, pdb_match, NULL))
1855     {
1856         h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
1857                         OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1858         TRACE("with %s returns %p\n", dbg_file_path, h);
1859     }
1860     return (h == INVALID_HANDLE_VALUE) ? NULL : h;
1861 }
1862
1863 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
1864                               const char* image, struct pdb_lookup* pdb_lookup)
1865 {
1866     BYTE*       types_image = NULL;
1867
1868     types_image = pdb_read_file(image, pdb_lookup, 2);
1869     if (types_image)
1870     {
1871         PDB_TYPES               types;
1872         struct codeview_type_parse      ctp;
1873         DWORD                   total;
1874         const BYTE*             ptr;
1875         DWORD*                  offset;
1876
1877         pdb_convert_types_header(&types, types_image);
1878
1879         /* Check for unknown versions */
1880         switch (types.version)
1881         {
1882         case 19950410:      /* VC 4.0 */
1883         case 19951122:
1884         case 19961031:      /* VC 5.0 / 6.0 */
1885         case 19990903:
1886             break;
1887         default:
1888             ERR("-Unknown type info version %ld\n", types.version);
1889         }
1890
1891         ctp.module = msc_dbg->module;
1892         /* reconstruct the types offset...
1893          * FIXME: maybe it's present in the newest PDB_TYPES structures
1894          */
1895         total = types.last_index - types.first_index + 1;
1896         offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
1897         ctp.table = ptr = types_image + types.type_offset;
1898         ctp.num = 0;
1899         while (ptr < ctp.table + types.type_size && ctp.num < total)
1900         {
1901             offset[ctp.num++] = ptr - ctp.table;
1902             ptr += ((const union codeview_type*)ptr)->generic.len + 2;
1903         }
1904         ctp.offset = offset;
1905
1906         /* Read type table */
1907         codeview_parse_type_table(&ctp);
1908         HeapFree(GetProcessHeap(), 0, offset);
1909         pdb_free(types_image);
1910     }
1911 }
1912
1913 static const char       PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
1914 static const char       PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
1915
1916 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image)
1917 {
1918     /* check the file header, and if ok, load the TOC */
1919     TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
1920     switch (pdb_lookup->kind)
1921     {
1922     case PDB_JG:
1923         pdb_lookup->u.jg.toc = NULL;
1924         if (memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
1925         {
1926             FIXME("Couldn't match JG header\n");
1927             return FALSE;
1928         }
1929         else
1930         {
1931             const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
1932             struct PDB_JG_ROOT*         root;
1933
1934             pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
1935             root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
1936             if (!root)
1937             {
1938                 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1939                 return FALSE;
1940             }
1941             switch (root->Version)
1942             {
1943             case 19950623:      /* VC 4.0 */
1944             case 19950814:
1945             case 19960307:      /* VC 5.0 */
1946             case 19970604:      /* VC 6.0 */
1947                 break;
1948             default:
1949                 ERR("-Unknown root block version %ld\n", root->Version);
1950             }
1951             /* Check .PDB time stamp */
1952             if (root->TimeDateStamp != pdb_lookup->u.jg.timestamp)
1953             {
1954                 ERR("-Wrong time stamp of .PDB file %s (0x%08lx, 0x%08lx)\n",
1955                     pdb_lookup->filename, root->TimeDateStamp,
1956                     pdb_lookup->u.jg.timestamp);
1957             }
1958             pdb_free(root);
1959         }
1960         break;
1961     case PDB_DS:
1962         pdb_lookup->u.ds.toc = NULL;
1963         if (memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
1964         {
1965             FIXME("Couldn't match DS header\n");
1966             return FALSE;
1967         }
1968         else
1969         {
1970             const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
1971             struct PDB_DS_ROOT*         root;
1972
1973             pdb_lookup->u.ds.toc =
1974                 pdb_ds_read(pdb,
1975                             (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
1976                             pdb->toc_size);
1977             root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
1978             if (!root)
1979             {
1980                 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1981                 return FALSE;
1982             }
1983             switch (root->Version)
1984             {
1985             case 20000404:
1986                 break;
1987             default:
1988                 ERR("-Unknown root block version %ld\n", root->Version);
1989             }
1990             /* Check .PDB time stamp */
1991             if (memcmp(&root->guid, &pdb_lookup->u.ds.guid, sizeof(GUID)))
1992             {
1993                 ERR("-Wrong GUID of .PDB file %s (%s, %s)\n",
1994                     pdb_lookup->filename,
1995                     wine_dbgstr_guid(&root->guid),
1996                     wine_dbgstr_guid(&pdb_lookup->u.ds.guid));
1997             }
1998             pdb_free(root);
1999         }
2000         break;
2001     }
2002
2003     if (0) /* some tool to dump the internal files from a PDB file */
2004     {
2005         int     i, num_files;
2006
2007         switch (pdb_lookup->kind)
2008         {
2009         case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
2010         case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
2011         }
2012
2013         for (i = 1; i < num_files; i++)
2014         {
2015             unsigned char* x = pdb_read_file(image, pdb_lookup, i);
2016             FIXME("********************** [%u]: size=%08x\n",
2017                   i, pdb_get_file_size(pdb_lookup, i));
2018             dump(x, pdb_get_file_size(pdb_lookup, i));
2019             pdb_free(x);
2020         }
2021     }
2022     return TRUE;
2023 }
2024
2025 static BOOL pdb_process_internal(const struct process* pcs,
2026                                  const struct msc_debug_info* msc_dbg,
2027                                  struct pdb_lookup* pdb_lookup,
2028                                  unsigned module_index);
2029
2030 static void pdb_process_symbol_imports(const struct process* pcs,
2031                                        const struct msc_debug_info* msc_dbg,
2032                                        PDB_SYMBOLS* symbols,
2033                                        const void* symbols_image,
2034                                        char* image, struct pdb_lookup* pdb_lookup,
2035                                        unsigned module_index)
2036 {
2037     if (module_index == -1 && symbols && symbols->pdbimport_size)
2038     {
2039         const PDB_SYMBOL_IMPORT*imp;
2040         const void*             first;
2041         const void*             last;
2042         const char*             ptr;
2043         int                     i = 0;
2044
2045         imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2046                                          symbols->module_size + symbols->offset_size +
2047                                          symbols->hash_size + symbols->srcmodule_size);
2048         first = (const char*)imp;
2049         last = (const char*)imp + symbols->pdbimport_size;
2050         while (imp < (const PDB_SYMBOL_IMPORT*)last)
2051         {
2052             ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2053             if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2054             if (!strcasecmp(pdb_lookup->filename, imp->filename))
2055             {
2056                 if (module_index != -1) FIXME("Twice the entry\n");
2057                 else module_index = i;
2058             }
2059             else
2060             {
2061                 struct pdb_lookup       imp_pdb_lookup;
2062
2063                 imp_pdb_lookup.filename = imp->filename;
2064                 imp_pdb_lookup.kind = PDB_JG;
2065                 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
2066                 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
2067             }
2068             i++;
2069             imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2070         }
2071     }
2072     cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
2073     if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2074     cv_current_module->allowed = TRUE;
2075     pdb_process_types(msc_dbg, image, pdb_lookup);
2076 }
2077
2078 static BOOL pdb_process_internal(const struct process* pcs,
2079                                  const struct msc_debug_info* msc_dbg,
2080                                  struct pdb_lookup* pdb_lookup,
2081                                  unsigned module_index)
2082 {
2083     BOOL        ret = FALSE;
2084     HANDLE      hFile, hMap = NULL;
2085     char*       image = NULL;
2086     BYTE*       symbols_image = NULL;
2087
2088     TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2089
2090     /* Open and map() .PDB file */
2091     if ((hFile = open_pdb_file(pcs, pdb_lookup->filename)) == NULL ||
2092         ((hMap = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2093         ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2094     {
2095         WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2096         goto leave;
2097     }
2098     pdb_init(pdb_lookup, image);
2099
2100     symbols_image = pdb_read_file(image, pdb_lookup, 3);
2101     if (symbols_image)
2102     {
2103         PDB_SYMBOLS symbols;
2104         BYTE*       modimage;
2105         BYTE*       file;
2106         int         header_size = 0;
2107
2108         pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2109         switch (symbols.version)
2110         {
2111         case 0:            /* VC 4.0 */
2112         case 19960307:     /* VC 5.0 */
2113         case 19970606:     /* VC 6.0 */
2114         case 19990903:
2115             break;
2116         default:
2117             ERR("-Unknown symbol info version %ld %08lx\n",
2118                 symbols.version, symbols.version);
2119         }
2120
2121         pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2122
2123         /* Read global symbol table */
2124         modimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2125         if (modimage)
2126         {
2127             codeview_snarf(msc_dbg, modimage, 0,
2128                            pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL);
2129
2130             pdb_free(modimage);
2131         }
2132
2133         /* Read per-module symbol / linenumber tables */
2134         file = symbols_image + header_size;
2135         while (file - symbols_image < header_size + symbols.module_size)
2136         {
2137             PDB_SYMBOL_FILE_EX          sfile;
2138             const char*                 file_name;
2139             unsigned                    size;
2140
2141             HeapValidate(GetProcessHeap(), 0, NULL);
2142             pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2143
2144             modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2145             if (modimage)
2146             {
2147                 struct codeview_linetab*    linetab = NULL;
2148
2149                 if (sfile.lineno_size)
2150                     linetab = codeview_snarf_linetab(msc_dbg->module,
2151                                                      modimage + sfile.symbol_size,
2152                                                      sfile.lineno_size,
2153                                                      pdb_lookup->kind == PDB_JG);
2154
2155                 if (sfile.symbol_size)
2156                     codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2157                                    sfile.symbol_size, linetab);
2158
2159                 pdb_free(modimage);
2160             }
2161             file_name = (const char*)file + size;
2162             file_name += strlen(file_name) + 1;
2163             file = (BYTE*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
2164         }
2165     }
2166     else
2167         pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2168                                    module_index);
2169     msc_dbg->module->module.SymType = SymCv;
2170     ret = TRUE;
2171
2172  leave:
2173     /* Cleanup */
2174     if (symbols_image) pdb_free(symbols_image);
2175     pdb_free_lookup(pdb_lookup);
2176
2177     if (image) UnmapViewOfFile(image);
2178     if (hMap) CloseHandle(hMap);
2179     if (hFile) CloseHandle(hFile);
2180
2181     return ret;
2182 }
2183
2184 static BOOL pdb_process_file(const struct process* pcs,
2185                              const struct msc_debug_info* msc_dbg,
2186                              struct pdb_lookup* pdb_lookup)
2187 {
2188     BOOL        ret;
2189
2190     memset(cv_zmodules, 0, sizeof(cv_zmodules));
2191     codeview_init_basic_types(msc_dbg->module);
2192     ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2193     codeview_clear_type_table();
2194     return ret;
2195 }
2196
2197 /*========================================================================
2198  * Process CodeView debug information.
2199  */
2200
2201 #define MAKESIG(a,b,c,d)        ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2202 #define CODEVIEW_NB09_SIG       MAKESIG('N','B','0','9')
2203 #define CODEVIEW_NB10_SIG       MAKESIG('N','B','1','0')
2204 #define CODEVIEW_NB11_SIG       MAKESIG('N','B','1','1')
2205 #define CODEVIEW_RSDS_SIG       MAKESIG('R','S','D','S')
2206
2207 static BOOL codeview_process_info(const struct process* pcs,
2208                                   const struct msc_debug_info* msc_dbg)
2209 {
2210     const CODEVIEW_HEADER_NBxx* cv = (const CODEVIEW_HEADER_NBxx*)msc_dbg->root;
2211     BOOL                        ret = FALSE;
2212     struct pdb_lookup           pdb_lookup;
2213
2214     TRACE("Processing signature %.4s\n", (const char*)&cv->dwSignature);
2215
2216     switch (cv->dwSignature)
2217     {
2218     case CODEVIEW_NB09_SIG:
2219     case CODEVIEW_NB11_SIG:
2220     {
2221         const CV_DIRECTORY_HEADER*      hdr = (const CV_DIRECTORY_HEADER*)(msc_dbg->root + cv->lfoDirectory);
2222         const CV_DIRECTORY_ENTRY*       ent;
2223         const CV_DIRECTORY_ENTRY*       prev;
2224         const CV_DIRECTORY_ENTRY*       next;
2225         unsigned int                    i;
2226
2227         codeview_init_basic_types(msc_dbg->module);
2228
2229         for (i = 0; i < hdr->cDir; i++)
2230         {
2231             ent = (const CV_DIRECTORY_ENTRY*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
2232             if (ent->subsection == sstGlobalTypes)
2233             {
2234                 const CV_ENTRY_GLOBAL_TYPES*    types;
2235                 struct codeview_type_parse      ctp;
2236
2237                 types = (const CV_ENTRY_GLOBAL_TYPES*)(msc_dbg->root + ent->lfo);
2238                 ctp.module = msc_dbg->module;
2239                 ctp.offset = (const DWORD*)(types + 1);
2240                 ctp.num    = types->cTypes;
2241                 ctp.table  = (const BYTE*)(ctp.offset + types->cTypes);
2242
2243                 cv_current_module = &cv_zmodules[0];
2244                 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2245                 cv_current_module->allowed = TRUE;
2246
2247                 codeview_parse_type_table(&ctp);
2248                 break;
2249             }
2250         }
2251
2252         ent = (const CV_DIRECTORY_ENTRY*)((const BYTE*)hdr + hdr->cbDirHeader);
2253         for (i = 0; i < hdr->cDir; i++, ent = next)
2254         {
2255             next = (i == hdr->cDir-1) ? NULL :
2256                    (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent + hdr->cbDirEntry);
2257             prev = (i == 0) ? NULL :
2258                    (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent - hdr->cbDirEntry);
2259
2260             if (ent->subsection == sstAlignSym)
2261             {
2262                 /*
2263                  * Check the next and previous entry.  If either is a
2264                  * sstSrcModule, it contains the line number info for
2265                  * this file.
2266                  *
2267                  * FIXME: This is not a general solution!
2268                  */
2269                 struct codeview_linetab*        linetab = NULL;
2270
2271                 if (next && next->iMod == ent->iMod &&
2272                     next->subsection == sstSrcModule)
2273                     linetab = codeview_snarf_linetab(msc_dbg->module,
2274                                                      msc_dbg->root + next->lfo, next->cb,
2275                                                      TRUE);
2276
2277                 if (prev && prev->iMod == ent->iMod &&
2278                     prev->subsection == sstSrcModule)
2279                     linetab = codeview_snarf_linetab(msc_dbg->module,
2280                                                      msc_dbg->root + prev->lfo, prev->cb,
2281                                                      TRUE);
2282
2283                 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2284                                ent->cb, linetab);
2285             }
2286         }
2287
2288         msc_dbg->module->module.SymType = SymCv;
2289         codeview_clear_type_table();
2290         ret = TRUE;
2291         break;
2292     }
2293
2294     case CODEVIEW_NB10_SIG:
2295     {
2296         const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)(cv + 1);
2297         pdb_lookup.filename = pdb->name;
2298         pdb_lookup.kind = PDB_JG;
2299         pdb_lookup.u.jg.timestamp = pdb->timestamp;
2300         pdb_lookup.u.jg.toc = NULL;
2301         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2302         break;
2303     }
2304     case CODEVIEW_RSDS_SIG:
2305     {
2306         const CODEVIEW_HEADER_RSDS* rsds = (const CODEVIEW_HEADER_RSDS*)msc_dbg->root;
2307
2308         TRACE("Got RSDS type of PDB file: guid=%s unk=%08lx name=%s\n",
2309               wine_dbgstr_guid(&rsds->guid), rsds->unknown, rsds->name);
2310         pdb_lookup.filename = rsds->name;
2311         pdb_lookup.kind = PDB_DS;
2312         pdb_lookup.u.ds.guid = rsds->guid;
2313         pdb_lookup.u.ds.toc = NULL;
2314         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2315         break;
2316     }
2317     default:
2318         ERR("Unknown CODEVIEW signature %08lX in module %s\n",
2319             cv->dwSignature, msc_dbg->module->module.ModuleName);
2320         break;
2321     }
2322
2323     return ret;
2324 }
2325
2326 /*========================================================================
2327  * Process debug directory.
2328  */
2329 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2330                              const BYTE* mapping,
2331                              const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2332                              const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2333 {
2334     BOOL                        ret;
2335     int                         i;
2336     struct msc_debug_info       msc_dbg;
2337
2338     msc_dbg.module = module;
2339     msc_dbg.nsect  = nsect;
2340     msc_dbg.sectp  = sectp;
2341     msc_dbg.nomap  = 0;
2342     msc_dbg.omapp  = NULL;
2343
2344     __TRY
2345     {
2346         ret = FALSE;
2347
2348         /* First, watch out for OMAP data */
2349         for (i = 0; i < nDbg; i++)
2350         {
2351             if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2352             {
2353                 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2354                 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2355                 break;
2356             }
2357         }
2358
2359         /* Now, try to parse CodeView debug info */
2360         for (i = 0; i < nDbg; i++)
2361         {
2362             if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2363             {
2364                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2365                 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2366             }
2367         }
2368
2369         /* If not found, try to parse COFF debug info */
2370         for (i = 0; i < nDbg; i++)
2371         {
2372             if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2373             {
2374                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2375                 if ((ret = coff_process_info(&msc_dbg))) goto done;
2376             }
2377         }
2378     done:
2379          /* FIXME: this should be supported... this is the debug information for
2380           * functions compiled without a frame pointer (FPO = frame pointer omission)
2381           * the associated data helps finding out the relevant information
2382           */
2383         for (i = 0; i < nDbg; i++)
2384             if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2385                 FIXME("This guy has FPO information\n");
2386 #if 0
2387
2388 #define FRAME_FPO   0
2389 #define FRAME_TRAP  1
2390 #define FRAME_TSS   2
2391
2392 typedef struct _FPO_DATA
2393 {
2394         DWORD       ulOffStart;            /* offset 1st byte of function code */
2395         DWORD       cbProcSize;            /* # bytes in function */
2396         DWORD       cdwLocals;             /* # bytes in locals/4 */
2397         WORD        cdwParams;             /* # bytes in params/4 */
2398
2399         WORD        cbProlog : 8;          /* # bytes in prolog */
2400         WORD        cbRegs   : 3;          /* # regs saved */
2401         WORD        fHasSEH  : 1;          /* TRUE if SEH in func */
2402         WORD        fUseBP   : 1;          /* TRUE if EBP has been allocated */
2403         WORD        reserved : 1;          /* reserved for future use */
2404         WORD        cbFrame  : 2;          /* frame type */
2405 } FPO_DATA;
2406 #endif
2407
2408     }
2409     __EXCEPT_PAGE_FAULT
2410     {
2411         ERR("Got a page fault while loading symbols\n");
2412         ret = FALSE;
2413     }
2414     __ENDTRY
2415     return ret;
2416 }