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_v3.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     case LF_VTSHAPE_V1:
1013         /* this is an ugly hack... FIXME when we have C++ support */
1014         if (!(symt = existing))
1015         {
1016             char    buf[128];
1017             snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1018             symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1019         }
1020         break;
1021     default:
1022         FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1023         dump(type, 2 + type->generic.len);
1024         return FALSE;
1025     }
1026     return codeview_add_type(curr_type, symt) ? symt : NULL;
1027 }
1028
1029 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1030 {
1031     unsigned int                curr_type = FIRST_DEFINABLE_TYPE;
1032     const union codeview_type*  type;
1033
1034     for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1035     {
1036         type = codeview_jump_to_type(ctp, curr_type);
1037
1038         /* type records we're interested in are the ones referenced by symbols
1039          * The known ranges are (X mark the ones we want):
1040          *   X  0000-0016       for V1 types
1041          *      0200-020c       for V1 types referenced by other types
1042          *      0400-040f       for V1 types (complex lists & sets)
1043          *   X  1000-100f       for V2 types
1044          *      1200-120c       for V2 types referenced by other types
1045          *      1400-140f       for V1 types (complex lists & sets)
1046          *   X  1500-150d       for V3 types
1047          *      8000-8010       for numeric leafes
1048          */
1049         if (type->generic.id & 0x8600) continue;
1050         codeview_parse_one_type(ctp, curr_type, type, TRUE);
1051     }
1052
1053     return TRUE;
1054 }
1055
1056 /*========================================================================
1057  * Process CodeView line number information.
1058  */
1059
1060 static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
1061                                                        const BYTE* linetab, int size,
1062                                                        BOOL pascal_str)
1063 {
1064     int                         file_segcount;
1065     char                        filename[PATH_MAX];
1066     const unsigned int*         filetab;
1067     const struct p_string*      p_fn;
1068     int                         i;
1069     int                         k;
1070     struct codeview_linetab*    lt_hdr;
1071     const unsigned int*         lt_ptr;
1072     int                         nfile;
1073     int                         nseg;
1074     union any_size              pnt;
1075     union any_size              pnt2;
1076     const struct startend*      start;
1077     int                         this_seg;
1078     unsigned                    source;
1079
1080     /*
1081      * Now get the important bits.
1082      */
1083     pnt.uc = linetab;
1084     nfile = *pnt.s++;
1085     nseg = *pnt.s++;
1086
1087     filetab = (const unsigned int*) pnt.c;
1088
1089     /*
1090      * Now count up the number of segments in the file.
1091      */
1092     nseg = 0;
1093     for (i = 0; i < nfile; i++)
1094     {
1095         pnt2.uc = linetab + filetab[i];
1096         nseg += *pnt2.s;
1097     }
1098
1099     /*
1100      * Next allocate the header we will be returning.
1101      * There is one header for each segment, so that we can reach in
1102      * and pull bits as required.
1103      */
1104     lt_hdr = (struct codeview_linetab*)
1105         HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (nseg + 1) * sizeof(*lt_hdr));
1106     if (lt_hdr == NULL)
1107     {
1108         goto leave;
1109     }
1110
1111     /*
1112      * Now fill the header we will be returning, one for each segment.
1113      * Note that this will basically just contain pointers into the existing
1114      * line table, and we do not actually copy any additional information
1115      * or allocate any additional memory.
1116      */
1117
1118     this_seg = 0;
1119     for (i = 0; i < nfile; i++)
1120     {
1121         /*
1122          * Get the pointer into the segment information.
1123          */
1124         pnt2.uc = linetab + filetab[i];
1125         file_segcount = *pnt2.s;
1126
1127         pnt2.ui++;
1128         lt_ptr = (const unsigned int*) pnt2.c;
1129         start = (const struct startend*)(lt_ptr + file_segcount);
1130
1131         /*
1132          * Now snarf the filename for all of the segments for this file.
1133          */
1134         if (pascal_str)
1135         {
1136             p_fn = (const struct p_string*)(start + file_segcount);
1137             memset(filename, 0, sizeof(filename));
1138             memcpy(filename, p_fn->name, p_fn->namelen);
1139             source = source_new(module, filename);
1140         }
1141         else
1142             source = source_new(module, (const char*)(start + file_segcount));
1143
1144         for (k = 0; k < file_segcount; k++, this_seg++)
1145         {
1146             pnt2.uc = linetab + lt_ptr[k];
1147             lt_hdr[this_seg].start      = start[k].start;
1148             lt_hdr[this_seg].end        = start[k].end;
1149             lt_hdr[this_seg].source     = source;
1150             lt_hdr[this_seg].segno      = *pnt2.s++;
1151             lt_hdr[this_seg].nline      = *pnt2.s++;
1152             lt_hdr[this_seg].offtab     = pnt2.ui;
1153             lt_hdr[this_seg].linetab    = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
1154         }
1155     }
1156
1157 leave:
1158
1159   return lt_hdr;
1160
1161 }
1162
1163 /*========================================================================
1164  * Process CodeView symbol information.
1165  */
1166
1167 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1168                                         unsigned int offset)
1169 {
1170     int                 nomap = msc_dbg->nomap;
1171     const OMAP_DATA*    omapp = msc_dbg->omapp;
1172     int                 i;
1173
1174     if (!nomap || !omapp) return offset;
1175
1176     /* FIXME: use binary search */
1177     for (i = 0; i < nomap - 1; i++)
1178         if (omapp[i].from <= offset && omapp[i+1].from > offset)
1179             return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1180
1181     return 0;
1182 }
1183
1184 static const struct codeview_linetab*
1185 codeview_get_linetab(const struct codeview_linetab* linetab,
1186                      unsigned seg, unsigned offset)
1187 {
1188     /*
1189      * Check whether we have line number information
1190      */
1191     if (linetab)
1192     {
1193         for (; linetab->linetab; linetab++)
1194             if (linetab->segno == seg &&
1195                 linetab->start <= offset && linetab->end   >  offset)
1196                 break;
1197         if (!linetab->linetab) linetab = NULL;
1198     }
1199     return linetab;
1200 }
1201
1202 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1203                                      unsigned seg, unsigned offset)
1204 {
1205     int                         nsect = msc_dbg->nsect;
1206     const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1207
1208     if (!seg || seg > nsect) return 0;
1209     return msc_dbg->module->module.BaseOfImage +
1210         codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1211 }
1212
1213 static void codeview_add_func_linenum(struct module* module,
1214                                       struct symt_function* func,
1215                                       const struct codeview_linetab* linetab,
1216                                       unsigned offset, unsigned size)
1217 {
1218     unsigned int        i;
1219
1220     if (!linetab) return;
1221     for (i = 0; i < linetab->nline; i++)
1222     {
1223         if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
1224         {
1225             symt_add_func_line(module, func, linetab->source,
1226                                linetab->linetab[i], linetab->offtab[i] - offset);
1227         }
1228     }
1229 }
1230
1231 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1232                           int offset, int size,
1233                           struct codeview_linetab* linetab)
1234 {
1235     struct symt_function*               curr_func = NULL;
1236     int                                 i, length;
1237     const struct codeview_linetab*      flt;
1238     struct symt_block*                  block = NULL;
1239     struct symt*                        symt;
1240     const char*                         name;
1241     struct symt_compiland*              compiland = NULL;
1242
1243     /*
1244      * Loop over the different types of records and whenever we
1245      * find something we are interested in, record it and move on.
1246      */
1247     for (i = offset; i < size; i += length)
1248     {
1249         const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1250         length = sym->generic.len + 2;
1251         if (i + length > size) break;
1252         if (length & 3) FIXME("unpadded len %u\n", length);
1253
1254         switch (sym->generic.id)
1255         {
1256         /*
1257          * Global and local data symbols.  We don't associate these
1258          * with any given source file.
1259          */
1260         case S_GDATA_V1:
1261         case S_LDATA_V1:
1262             symt_new_global_variable(msc_dbg->module, compiland,
1263                                      terminate_string(&sym->data_v1.p_name), sym->generic.id == S_LDATA_V1,
1264                                      codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1265                                      0,
1266                                      codeview_get_type(sym->data_v1.symtype, FALSE));
1267             break;
1268         case S_GDATA_V2:
1269         case S_LDATA_V2:
1270             name = terminate_string(&sym->data_v2.p_name);
1271             if (name)
1272                 symt_new_global_variable(msc_dbg->module, compiland,
1273                                          name, sym->generic.id == S_LDATA_V2,
1274                                          codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1275                                          0,
1276                                          codeview_get_type(sym->data_v2.symtype, FALSE));
1277             break;
1278         case S_GDATA_V3:
1279         case S_LDATA_V3:
1280             if (*sym->data_v3.name)
1281                 symt_new_global_variable(msc_dbg->module, compiland,
1282                                          sym->data_v3.name,
1283                                          sym->generic.id == S_LDATA_V3,
1284                                          codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1285                                          0,
1286                                          codeview_get_type(sym->data_v3.symtype, FALSE));
1287             break;
1288
1289         case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1290             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1291             {
1292                 symt_new_public(msc_dbg->module, compiland,
1293                                 terminate_string(&sym->data_v1.p_name),
1294                                 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1295                                 1, TRUE /* FIXME */, TRUE /* FIXME */);
1296             }
1297             break;
1298         case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1299             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1300             {
1301                 symt_new_public(msc_dbg->module, compiland,
1302                                 terminate_string(&sym->data_v2.p_name),
1303                                 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1304                                 1, TRUE /* FIXME */, TRUE /* FIXME */);
1305             }
1306             break;
1307
1308         /*
1309          * Sort of like a global function, but it just points
1310          * to a thunk, which is a stupid name for what amounts to
1311          * a PLT slot in the normal jargon that everyone else uses.
1312          */
1313         case S_THUNK_V1:
1314             symt_new_thunk(msc_dbg->module, compiland,
1315                            terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1316                            codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1317                            sym->thunk_v1.thunk_len);
1318             break;
1319         case S_THUNK_V3:
1320             symt_new_thunk(msc_dbg->module, compiland,
1321                            sym->thunk_v3.name, sym->thunk_v3.thtype,
1322                            codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1323                            sym->thunk_v3.thunk_len);
1324             break;
1325
1326         /*
1327          * Global and static functions.
1328          */
1329         case S_GPROC_V1:
1330         case S_LPROC_V1:
1331             flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
1332             if (curr_func) FIXME("nested function\n");
1333             curr_func = symt_new_function(msc_dbg->module, compiland,
1334                                           terminate_string(&sym->proc_v1.p_name),
1335                                           codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1336                                           sym->proc_v1.proc_len,
1337                                           codeview_get_type(sym->proc_v1.proctype, FALSE));
1338             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1339                                       sym->proc_v1.offset, sym->proc_v1.proc_len);
1340             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v1.debug_start, NULL);
1341             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v1.debug_end, NULL);
1342             break;
1343         case S_GPROC_V2:
1344         case S_LPROC_V2:
1345             flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
1346             if (curr_func) FIXME("nested function\n");
1347             curr_func = symt_new_function(msc_dbg->module, compiland,
1348                                           terminate_string(&sym->proc_v2.p_name),
1349                                           codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1350                                           sym->proc_v2.proc_len,
1351                                           codeview_get_type(sym->proc_v2.proctype, FALSE));
1352             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1353                                       sym->proc_v2.offset, sym->proc_v2.proc_len);
1354             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v2.debug_start, NULL);
1355             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v2.debug_end, NULL);
1356             break;
1357         case S_GPROC_V3:
1358         case S_LPROC_V3:
1359             flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
1360             if (curr_func) FIXME("nested function\n");
1361             curr_func = symt_new_function(msc_dbg->module, compiland,
1362                                           sym->proc_v3.name,
1363                                           codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1364                                           sym->proc_v3.proc_len,
1365                                           codeview_get_type(sym->proc_v3.proctype, FALSE));
1366             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1367                                       sym->proc_v3.offset, sym->proc_v3.proc_len);
1368             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v3.debug_start, NULL);
1369             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v3.debug_end, NULL);
1370             break;
1371         /*
1372          * Function parameters and stack variables.
1373          */
1374         case S_BPREL_V1:
1375             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v1.offset,
1376                                 block, codeview_get_type(sym->stack_v1.symtype, FALSE),
1377                                 terminate_string(&sym->stack_v1.p_name));
1378             break;
1379         case S_BPREL_V2:
1380             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v2.offset,
1381                                 block, codeview_get_type(sym->stack_v2.symtype, FALSE),
1382                                 terminate_string(&sym->stack_v2.p_name));
1383             break;
1384         case S_BPREL_V3:
1385             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v3.offset,
1386                                 block, codeview_get_type(sym->stack_v3.symtype, FALSE),
1387                                 sym->stack_v3.name);
1388             break;
1389
1390         case S_REGISTER_V1:
1391             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v1.reg,
1392                                 block, codeview_get_type(sym->register_v1.type, FALSE),
1393                                 terminate_string(&sym->register_v1.p_name));
1394             break;
1395         case S_REGISTER_V2:
1396             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v2.reg,
1397                                 block, codeview_get_type(sym->register_v2.type, FALSE),
1398                                 terminate_string(&sym->register_v2.p_name));
1399             break;
1400
1401         case S_BLOCK_V1:
1402             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1403                                          codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1404                                          sym->block_v1.length);
1405             break;
1406         case S_BLOCK_V3:
1407             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1408                                          codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1409                                          sym->block_v3.length);
1410             break;
1411
1412         case S_END_V1:
1413             if (block)
1414             {
1415                 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1416             }
1417             else if (curr_func)
1418             {
1419                 symt_normalize_function(msc_dbg->module, curr_func);
1420                 curr_func = NULL;
1421             }
1422             break;
1423
1424         case S_COMPILE_V1:
1425             TRACE("S-Compile-V1 %x %s\n",
1426                   sym->compile_v1.unknown, terminate_string(&sym->compile_v1.p_name));
1427             break;
1428
1429         case S_COMPILE_V2:
1430             TRACE("S-Compile-V2 %s\n", terminate_string(&sym->compile_v2.p_name));
1431             if (TRACE_ON(dbghelp_msc))
1432             {
1433                 const char* ptr1 = sym->compile_v2.p_name.name + sym->compile_v2.p_name.namelen;
1434                 const char* ptr2;
1435                 while (*ptr1)
1436                 {
1437                     ptr2 = ptr1 + strlen(ptr1) + 1;
1438                     TRACE("\t%s => %s\n", ptr1, ptr2);
1439                     ptr1 = ptr2 + strlen(ptr2) + 1;
1440                 }
1441             }
1442             break;
1443         case S_COMPILE_V3:
1444             TRACE("S-Compile-V3 %s\n", sym->compile_v3.name);
1445             if (TRACE_ON(dbghelp_msc))
1446             {
1447                 const char* ptr1 = sym->compile_v3.name + strlen(sym->compile_v3.name);
1448                 const char* ptr2;
1449                 while (*ptr1)
1450                 {
1451                     ptr2 = ptr1 + strlen(ptr1) + 1;
1452                     TRACE("\t%s => %s\n", ptr1, ptr2);
1453                     ptr1 = ptr2 + strlen(ptr2) + 1;
1454                 }
1455             }
1456             break;
1457
1458         case S_OBJNAME_V1:
1459             TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1460             compiland = symt_new_compiland(msc_dbg->module, terminate_string(&sym->objname_v1.p_name));
1461             break;
1462
1463         case S_LABEL_V1:
1464             if (curr_func)
1465             {
1466                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1467                                         codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address,
1468                                         terminate_string(&sym->label_v1.p_name));
1469             }
1470             else
1471                 FIXME("No current function for label %s\n",
1472                       terminate_string(&sym->label_v1.p_name));
1473             break;
1474         case S_LABEL_V3:
1475             if (curr_func)
1476             {
1477                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1478                                         codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address,
1479                                         sym->label_v3.name);
1480             }
1481             else
1482                 FIXME("No current function for label %s\n", sym->label_v3.name);
1483             break;
1484
1485         case S_CONSTANT_V1:
1486             {
1487                 int                     val, vlen;
1488                 const struct p_string*  name;
1489                 const char*             x;
1490                 struct symt*            se;
1491
1492                 vlen = numeric_leaf(&val, &sym->constant_v1.cvalue);
1493                 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1494                 se = codeview_get_type(sym->constant_v1.type, FALSE);
1495                 if (!se) x = "---";
1496                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1497                 else x = "###";
1498
1499                 TRACE("S-Constant-V1 %u %s %x (%s)\n",
1500                       val, terminate_string(name), sym->constant_v1.type, x);
1501                 /* FIXME: we should add this as a constant value */
1502             }
1503             break;
1504         case S_CONSTANT_V2:
1505             {
1506                 int                     val, vlen;
1507                 const struct p_string*  name;
1508                 const char*             x;
1509                 struct symt*            se;
1510
1511                 vlen = numeric_leaf(&val, &sym->constant_v2.cvalue);
1512                 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1513                 se = codeview_get_type(sym->constant_v2.type, FALSE);
1514                 if (!se) x = "---";
1515                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1516                 else x = "###";
1517
1518                 TRACE("S-Constant-V2 %u %s %x (%s)\n",
1519                       val, terminate_string(name), sym->constant_v2.type, x);
1520                 /* FIXME: we should add this as a constant value */
1521             }
1522             break;
1523         case S_CONSTANT_V3:
1524             {
1525                 int                     val, vlen;
1526                 const char*             name;
1527                 const char*             x;
1528                 struct symt*            se;
1529
1530                 vlen = numeric_leaf(&val, &sym->constant_v3.cvalue);
1531                 name = (const char*)&sym->constant_v3.cvalue + vlen;
1532                 se = codeview_get_type(sym->constant_v3.type, FALSE);
1533                 if (!se) x = "---";
1534                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1535                 else x = "###";
1536
1537                 TRACE("S-Constant-V3 %u %s %x (%s)\n",
1538                       val, name, sym->constant_v3.type, x);
1539                 /* FIXME: we should add this as a constant value */
1540             }
1541             break;
1542
1543         case S_UDT_V1:
1544             if (sym->udt_v1.type)
1545             {
1546                 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1547                     symt_new_typedef(msc_dbg->module, symt,
1548                                      terminate_string(&sym->udt_v1.p_name));
1549                 else
1550                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1551                           terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1552             }
1553             break;
1554         case S_UDT_V2:
1555             if (sym->udt_v2.type)
1556             {
1557                 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1558                     symt_new_typedef(msc_dbg->module, symt,
1559                                      terminate_string(&sym->udt_v2.p_name));
1560                 else
1561                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1562                           terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1563             }
1564             break;
1565         case S_UDT_V3:
1566             if (sym->udt_v3.type)
1567             {
1568                 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1569                     symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1570                 else
1571                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1572                           sym->udt_v3.name, sym->udt_v3.type);
1573             }
1574             break;
1575
1576          /*
1577          * These are special, in that they are always followed by an
1578          * additional length-prefixed string which is *not* included
1579          * into the symbol length count.  We need to skip it.
1580          */
1581         case S_PROCREF_V1:
1582         case S_DATAREF_V1:
1583         case S_LPROCREF_V1:
1584             name = (const char*)sym + length;
1585             length += (*name + 1 + 3) & ~3;
1586             break;
1587
1588         case S_PUB_DATA_V3:
1589             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1590             {
1591                 symt_new_public(msc_dbg->module, compiland,
1592                                 sym->data_v3.name,
1593                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1594                                 1, FALSE /* FIXME */, FALSE);
1595             }
1596             break;
1597         case S_PUB_FUNC1_V3:
1598         case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1599             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1600             {
1601                 symt_new_public(msc_dbg->module, compiland,
1602                                 sym->data_v3.name,
1603                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1604                                 1, TRUE /* FIXME */, TRUE);
1605             }
1606             break;
1607
1608         case S_MSTOOL_V3: /* just to silence a few warnings */
1609             break;
1610
1611         case S_SSEARCH_V1:
1612             TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1613                   sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1614             break;
1615
1616         default:
1617             FIXME("Unsupported symbol id %x\n", sym->generic.id);
1618             dump(sym, 2 + sym->generic.len);
1619             break;
1620         }
1621     }
1622
1623     if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1624
1625     HeapFree(GetProcessHeap(), 0, linetab);
1626     return TRUE;
1627 }
1628
1629 /*========================================================================
1630  * Process PDB file.
1631  */
1632
1633 struct pdb_lookup
1634 {
1635     const char*                 filename;
1636     enum {PDB_JG, PDB_DS}       kind;
1637     union
1638     {
1639         struct
1640         {
1641             DWORD               timestamp;
1642             struct PDB_JG_TOC*  toc;
1643         } jg;
1644         struct
1645         {
1646             GUID                guid;
1647             struct PDB_DS_TOC*  toc;
1648         } ds;
1649     } u;
1650 };
1651
1652 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1653                          int size)
1654 {
1655     int                         i, num_blocks;
1656     BYTE*                       buffer;
1657
1658     if (!size) return NULL;
1659
1660     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1661     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1662
1663     for (i = 0; i < num_blocks; i++)
1664         memcpy(buffer + i * pdb->block_size,
1665                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1666
1667     return buffer;
1668 }
1669
1670 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
1671                          int size)
1672 {
1673     int                         i, num_blocks;
1674     BYTE*                       buffer;
1675
1676     if (!size) return NULL;
1677
1678     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1679     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1680
1681     for (i = 0; i < num_blocks; i++)
1682         memcpy(buffer + i * pdb->block_size,
1683                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1684
1685     return buffer;
1686 }
1687
1688 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
1689                               const struct PDB_JG_TOC* toc, DWORD file_nr)
1690 {
1691     const WORD*                 block_list;
1692     DWORD                       i;
1693
1694     if (!toc || file_nr >= toc->num_files) return NULL;
1695
1696     block_list = (const WORD*) &toc->file[toc->num_files];
1697     for (i = 0; i < file_nr; i++)
1698         block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
1699
1700     return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
1701 }
1702
1703 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
1704                               const struct PDB_DS_TOC* toc, DWORD file_nr)
1705 {
1706     const DWORD*                block_list;
1707     DWORD                       i;
1708
1709     if (!toc || file_nr >= toc->num_files) return NULL;
1710
1711     if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
1712     {
1713         FIXME(">>> requesting NULL stream (%lu)\n", file_nr);
1714         return NULL;
1715     }
1716     block_list = &toc->file_size[toc->num_files];
1717     for (i = 0; i < file_nr; i++)
1718         block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
1719
1720     return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
1721 }
1722
1723 static void* pdb_read_file(const char* image, const struct pdb_lookup* pdb_lookup,
1724                            DWORD file_nr)
1725 {
1726     switch (pdb_lookup->kind)
1727     {
1728     case PDB_JG:
1729         return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
1730                                 pdb_lookup->u.jg.toc, file_nr);
1731     case PDB_DS:
1732         return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
1733                                 pdb_lookup->u.ds.toc, file_nr);
1734     }
1735     return NULL;
1736 }
1737
1738 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
1739 {
1740     switch (pdb_lookup->kind)
1741     {
1742     case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
1743     case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
1744     }
1745     return 0;
1746 }
1747
1748 static void pdb_free(void* buffer)
1749 {
1750     HeapFree(GetProcessHeap(), 0, buffer);
1751 }
1752
1753 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
1754 {
1755     switch (pdb_lookup->kind)
1756     {
1757     case PDB_JG:
1758         if (pdb_lookup->u.jg.toc) pdb_free(pdb_lookup->u.jg.toc);
1759         break;
1760     case PDB_DS:
1761         if (pdb_lookup->u.ds.toc) pdb_free(pdb_lookup->u.ds.toc);
1762         break;
1763     }
1764 }
1765
1766 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
1767 {
1768     memset(types, 0, sizeof(PDB_TYPES));
1769     if (!image) return;
1770
1771     if (*(const DWORD*)image < 19960000)   /* FIXME: correct version? */
1772     {
1773         /* Old version of the types record header */
1774         const PDB_TYPES_OLD*    old = (const PDB_TYPES_OLD*)image;
1775         types->version     = old->version;
1776         types->type_offset = sizeof(PDB_TYPES_OLD);
1777         types->type_size   = old->type_size;
1778         types->first_index = old->first_index;
1779         types->last_index  = old->last_index;
1780         types->file        = old->file;
1781     }
1782     else
1783     {
1784         /* New version of the types record header */
1785         *types = *(const PDB_TYPES*)image;
1786     }
1787 }
1788
1789 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
1790                                        int* header_size, const BYTE* image)
1791 {
1792     memset(symbols, 0, sizeof(PDB_SYMBOLS));
1793     if (!image) return;
1794
1795     if (*(const DWORD*)image != 0xffffffff)
1796     {
1797         /* Old version of the symbols record header */
1798         const PDB_SYMBOLS_OLD*  old = (const PDB_SYMBOLS_OLD*)image;
1799         symbols->version         = 0;
1800         symbols->module_size     = old->module_size;
1801         symbols->offset_size     = old->offset_size;
1802         symbols->hash_size       = old->hash_size;
1803         symbols->srcmodule_size  = old->srcmodule_size;
1804         symbols->pdbimport_size  = 0;
1805         symbols->hash1_file      = old->hash1_file;
1806         symbols->hash2_file      = old->hash2_file;
1807         symbols->gsym_file       = old->gsym_file;
1808
1809         *header_size = sizeof(PDB_SYMBOLS_OLD);
1810     }
1811     else
1812     {
1813         /* New version of the symbols record header */
1814         *symbols = *(const PDB_SYMBOLS*)image;
1815         *header_size = sizeof(PDB_SYMBOLS);
1816     }
1817 }
1818
1819 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
1820                                     PDB_SYMBOL_FILE_EX* sfile,
1821                                     unsigned* size, const void* image)
1822
1823 {
1824     if (symbols->version < 19970000)
1825     {
1826         const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
1827         memset(sfile, 0, sizeof(*sfile));
1828         sfile->file        = sym_file->file;
1829         sfile->range.index = sym_file->range.index;
1830         sfile->symbol_size = sym_file->symbol_size;
1831         sfile->lineno_size = sym_file->lineno_size;
1832         *size = sizeof(PDB_SYMBOL_FILE) - 1;
1833     }
1834     else
1835     {
1836         memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
1837         *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
1838     }
1839 }
1840
1841 static BOOL CALLBACK pdb_match(char* file, void* user)
1842 {
1843     /* accept first file that exists */
1844     HANDLE h = CreateFileA(file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1845     TRACE("match with %s returns %p\n", file, h);
1846     if (INVALID_HANDLE_VALUE != h) {
1847         CloseHandle(h);
1848         return FALSE;
1849     }
1850     return TRUE;
1851 }
1852
1853 static HANDLE open_pdb_file(const struct process* pcs, const char* filename)
1854 {
1855     HANDLE      h;
1856     char        dbg_file_path[MAX_PATH];
1857
1858     h = CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
1859                     OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1860     /* FIXME: should give more bits on the file to look at */
1861     if (h == INVALID_HANDLE_VALUE &&
1862         SymFindFileInPath(pcs->handle, NULL, (char*)filename, NULL, 0, 0, 0,
1863                           dbg_file_path, pdb_match, NULL))
1864     {
1865         h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
1866                         OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1867         TRACE("with %s returns %p\n", dbg_file_path, h);
1868     }
1869     return (h == INVALID_HANDLE_VALUE) ? NULL : h;
1870 }
1871
1872 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
1873                               const char* image, struct pdb_lookup* pdb_lookup)
1874 {
1875     BYTE*       types_image = NULL;
1876
1877     types_image = pdb_read_file(image, pdb_lookup, 2);
1878     if (types_image)
1879     {
1880         PDB_TYPES               types;
1881         struct codeview_type_parse      ctp;
1882         DWORD                   total;
1883         const BYTE*             ptr;
1884         DWORD*                  offset;
1885
1886         pdb_convert_types_header(&types, types_image);
1887
1888         /* Check for unknown versions */
1889         switch (types.version)
1890         {
1891         case 19950410:      /* VC 4.0 */
1892         case 19951122:
1893         case 19961031:      /* VC 5.0 / 6.0 */
1894         case 19990903:
1895             break;
1896         default:
1897             ERR("-Unknown type info version %ld\n", types.version);
1898         }
1899
1900         ctp.module = msc_dbg->module;
1901         /* reconstruct the types offset...
1902          * FIXME: maybe it's present in the newest PDB_TYPES structures
1903          */
1904         total = types.last_index - types.first_index + 1;
1905         offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
1906         ctp.table = ptr = types_image + types.type_offset;
1907         ctp.num = 0;
1908         while (ptr < ctp.table + types.type_size && ctp.num < total)
1909         {
1910             offset[ctp.num++] = ptr - ctp.table;
1911             ptr += ((const union codeview_type*)ptr)->generic.len + 2;
1912         }
1913         ctp.offset = offset;
1914
1915         /* Read type table */
1916         codeview_parse_type_table(&ctp);
1917         HeapFree(GetProcessHeap(), 0, offset);
1918         pdb_free(types_image);
1919     }
1920 }
1921
1922 static const char       PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
1923 static const char       PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
1924
1925 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image)
1926 {
1927     /* check the file header, and if ok, load the TOC */
1928     TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
1929     switch (pdb_lookup->kind)
1930     {
1931     case PDB_JG:
1932         pdb_lookup->u.jg.toc = NULL;
1933         if (memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
1934         {
1935             FIXME("Couldn't match JG header\n");
1936             return FALSE;
1937         }
1938         else
1939         {
1940             const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
1941             struct PDB_JG_ROOT*         root;
1942
1943             pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
1944             root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
1945             if (!root)
1946             {
1947                 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1948                 return FALSE;
1949             }
1950             switch (root->Version)
1951             {
1952             case 19950623:      /* VC 4.0 */
1953             case 19950814:
1954             case 19960307:      /* VC 5.0 */
1955             case 19970604:      /* VC 6.0 */
1956                 break;
1957             default:
1958                 ERR("-Unknown root block version %ld\n", root->Version);
1959             }
1960             /* Check .PDB time stamp */
1961             if (root->TimeDateStamp != pdb_lookup->u.jg.timestamp)
1962             {
1963                 ERR("-Wrong time stamp of .PDB file %s (0x%08lx, 0x%08lx)\n",
1964                     pdb_lookup->filename, root->TimeDateStamp,
1965                     pdb_lookup->u.jg.timestamp);
1966             }
1967             pdb_free(root);
1968         }
1969         break;
1970     case PDB_DS:
1971         pdb_lookup->u.ds.toc = NULL;
1972         if (memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
1973         {
1974             FIXME("Couldn't match DS header\n");
1975             return FALSE;
1976         }
1977         else
1978         {
1979             const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
1980             struct PDB_DS_ROOT*         root;
1981
1982             pdb_lookup->u.ds.toc =
1983                 pdb_ds_read(pdb,
1984                             (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
1985                             pdb->toc_size);
1986             root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
1987             if (!root)
1988             {
1989                 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1990                 return FALSE;
1991             }
1992             switch (root->Version)
1993             {
1994             case 20000404:
1995                 break;
1996             default:
1997                 ERR("-Unknown root block version %ld\n", root->Version);
1998             }
1999             /* Check .PDB time stamp */
2000             if (memcmp(&root->guid, &pdb_lookup->u.ds.guid, sizeof(GUID)))
2001             {
2002                 ERR("-Wrong GUID of .PDB file %s (%s, %s)\n",
2003                     pdb_lookup->filename,
2004                     wine_dbgstr_guid(&root->guid),
2005                     wine_dbgstr_guid(&pdb_lookup->u.ds.guid));
2006             }
2007             pdb_free(root);
2008         }
2009         break;
2010     }
2011
2012     if (0) /* some tool to dump the internal files from a PDB file */
2013     {
2014         int     i, num_files;
2015
2016         switch (pdb_lookup->kind)
2017         {
2018         case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
2019         case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
2020         }
2021
2022         for (i = 1; i < num_files; i++)
2023         {
2024             unsigned char* x = pdb_read_file(image, pdb_lookup, i);
2025             FIXME("********************** [%u]: size=%08x\n",
2026                   i, pdb_get_file_size(pdb_lookup, i));
2027             dump(x, pdb_get_file_size(pdb_lookup, i));
2028             pdb_free(x);
2029         }
2030     }
2031     return TRUE;
2032 }
2033
2034 static BOOL pdb_process_internal(const struct process* pcs,
2035                                  const struct msc_debug_info* msc_dbg,
2036                                  struct pdb_lookup* pdb_lookup,
2037                                  unsigned module_index);
2038
2039 static void pdb_process_symbol_imports(const struct process* pcs,
2040                                        const struct msc_debug_info* msc_dbg,
2041                                        PDB_SYMBOLS* symbols,
2042                                        const void* symbols_image,
2043                                        char* image, struct pdb_lookup* pdb_lookup,
2044                                        unsigned module_index)
2045 {
2046     if (module_index == -1 && symbols && symbols->pdbimport_size)
2047     {
2048         const PDB_SYMBOL_IMPORT*imp;
2049         const void*             first;
2050         const void*             last;
2051         const char*             ptr;
2052         int                     i = 0;
2053
2054         imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2055                                          symbols->module_size + symbols->offset_size +
2056                                          symbols->hash_size + symbols->srcmodule_size);
2057         first = (const char*)imp;
2058         last = (const char*)imp + symbols->pdbimport_size;
2059         while (imp < (const PDB_SYMBOL_IMPORT*)last)
2060         {
2061             ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2062             if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2063             if (!strcasecmp(pdb_lookup->filename, imp->filename))
2064             {
2065                 if (module_index != -1) FIXME("Twice the entry\n");
2066                 else module_index = i;
2067             }
2068             else
2069             {
2070                 struct pdb_lookup       imp_pdb_lookup;
2071
2072                 imp_pdb_lookup.filename = imp->filename;
2073                 imp_pdb_lookup.kind = PDB_JG;
2074                 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
2075                 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
2076             }
2077             i++;
2078             imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2079         }
2080     }
2081     cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
2082     if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2083     cv_current_module->allowed = TRUE;
2084     pdb_process_types(msc_dbg, image, pdb_lookup);
2085 }
2086
2087 static BOOL pdb_process_internal(const struct process* pcs,
2088                                  const struct msc_debug_info* msc_dbg,
2089                                  struct pdb_lookup* pdb_lookup,
2090                                  unsigned module_index)
2091 {
2092     BOOL        ret = FALSE;
2093     HANDLE      hFile, hMap = NULL;
2094     char*       image = NULL;
2095     BYTE*       symbols_image = NULL;
2096
2097     TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2098
2099     /* Open and map() .PDB file */
2100     if ((hFile = open_pdb_file(pcs, pdb_lookup->filename)) == NULL ||
2101         ((hMap = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2102         ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2103     {
2104         WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2105         goto leave;
2106     }
2107     pdb_init(pdb_lookup, image);
2108
2109     symbols_image = pdb_read_file(image, pdb_lookup, 3);
2110     if (symbols_image)
2111     {
2112         PDB_SYMBOLS symbols;
2113         BYTE*       modimage;
2114         BYTE*       file;
2115         int         header_size = 0;
2116
2117         pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2118         switch (symbols.version)
2119         {
2120         case 0:            /* VC 4.0 */
2121         case 19960307:     /* VC 5.0 */
2122         case 19970606:     /* VC 6.0 */
2123         case 19990903:
2124             break;
2125         default:
2126             ERR("-Unknown symbol info version %ld %08lx\n",
2127                 symbols.version, symbols.version);
2128         }
2129
2130         pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2131
2132         /* Read global symbol table */
2133         modimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2134         if (modimage)
2135         {
2136             codeview_snarf(msc_dbg, modimage, 0,
2137                            pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL);
2138
2139             pdb_free(modimage);
2140         }
2141
2142         /* Read per-module symbol / linenumber tables */
2143         file = symbols_image + header_size;
2144         while (file - symbols_image < header_size + symbols.module_size)
2145         {
2146             PDB_SYMBOL_FILE_EX          sfile;
2147             const char*                 file_name;
2148             unsigned                    size;
2149
2150             HeapValidate(GetProcessHeap(), 0, NULL);
2151             pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2152
2153             modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2154             if (modimage)
2155             {
2156                 struct codeview_linetab*    linetab = NULL;
2157
2158                 if (sfile.lineno_size)
2159                     linetab = codeview_snarf_linetab(msc_dbg->module,
2160                                                      modimage + sfile.symbol_size,
2161                                                      sfile.lineno_size,
2162                                                      pdb_lookup->kind == PDB_JG);
2163
2164                 if (sfile.symbol_size)
2165                     codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2166                                    sfile.symbol_size, linetab);
2167
2168                 pdb_free(modimage);
2169             }
2170             file_name = (const char*)file + size;
2171             file_name += strlen(file_name) + 1;
2172             file = (BYTE*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
2173         }
2174     }
2175     else
2176         pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2177                                    module_index);
2178     msc_dbg->module->module.SymType = SymCv;
2179     ret = TRUE;
2180
2181  leave:
2182     /* Cleanup */
2183     if (symbols_image) pdb_free(symbols_image);
2184     pdb_free_lookup(pdb_lookup);
2185
2186     if (image) UnmapViewOfFile(image);
2187     if (hMap) CloseHandle(hMap);
2188     if (hFile) CloseHandle(hFile);
2189
2190     return ret;
2191 }
2192
2193 static BOOL pdb_process_file(const struct process* pcs,
2194                              const struct msc_debug_info* msc_dbg,
2195                              struct pdb_lookup* pdb_lookup)
2196 {
2197     BOOL        ret;
2198
2199     memset(cv_zmodules, 0, sizeof(cv_zmodules));
2200     codeview_init_basic_types(msc_dbg->module);
2201     ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2202     codeview_clear_type_table();
2203     return ret;
2204 }
2205
2206 /*========================================================================
2207  * Process CodeView debug information.
2208  */
2209
2210 #define MAKESIG(a,b,c,d)        ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2211 #define CODEVIEW_NB09_SIG       MAKESIG('N','B','0','9')
2212 #define CODEVIEW_NB10_SIG       MAKESIG('N','B','1','0')
2213 #define CODEVIEW_NB11_SIG       MAKESIG('N','B','1','1')
2214 #define CODEVIEW_RSDS_SIG       MAKESIG('R','S','D','S')
2215
2216 static BOOL codeview_process_info(const struct process* pcs,
2217                                   const struct msc_debug_info* msc_dbg)
2218 {
2219     const CODEVIEW_HEADER_NBxx* cv = (const CODEVIEW_HEADER_NBxx*)msc_dbg->root;
2220     BOOL                        ret = FALSE;
2221     struct pdb_lookup           pdb_lookup;
2222
2223     TRACE("Processing signature %.4s\n", (const char*)&cv->dwSignature);
2224
2225     switch (cv->dwSignature)
2226     {
2227     case CODEVIEW_NB09_SIG:
2228     case CODEVIEW_NB11_SIG:
2229     {
2230         const CV_DIRECTORY_HEADER*      hdr = (const CV_DIRECTORY_HEADER*)(msc_dbg->root + cv->lfoDirectory);
2231         const CV_DIRECTORY_ENTRY*       ent;
2232         const CV_DIRECTORY_ENTRY*       prev;
2233         const CV_DIRECTORY_ENTRY*       next;
2234         unsigned int                    i;
2235
2236         codeview_init_basic_types(msc_dbg->module);
2237
2238         for (i = 0; i < hdr->cDir; i++)
2239         {
2240             ent = (const CV_DIRECTORY_ENTRY*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
2241             if (ent->subsection == sstGlobalTypes)
2242             {
2243                 const CV_ENTRY_GLOBAL_TYPES*    types;
2244                 struct codeview_type_parse      ctp;
2245
2246                 types = (const CV_ENTRY_GLOBAL_TYPES*)(msc_dbg->root + ent->lfo);
2247                 ctp.module = msc_dbg->module;
2248                 ctp.offset = (const DWORD*)(types + 1);
2249                 ctp.num    = types->cTypes;
2250                 ctp.table  = (const BYTE*)(ctp.offset + types->cTypes);
2251
2252                 cv_current_module = &cv_zmodules[0];
2253                 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2254                 cv_current_module->allowed = TRUE;
2255
2256                 codeview_parse_type_table(&ctp);
2257                 break;
2258             }
2259         }
2260
2261         ent = (const CV_DIRECTORY_ENTRY*)((const BYTE*)hdr + hdr->cbDirHeader);
2262         for (i = 0; i < hdr->cDir; i++, ent = next)
2263         {
2264             next = (i == hdr->cDir-1) ? NULL :
2265                    (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent + hdr->cbDirEntry);
2266             prev = (i == 0) ? NULL :
2267                    (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent - hdr->cbDirEntry);
2268
2269             if (ent->subsection == sstAlignSym)
2270             {
2271                 /*
2272                  * Check the next and previous entry.  If either is a
2273                  * sstSrcModule, it contains the line number info for
2274                  * this file.
2275                  *
2276                  * FIXME: This is not a general solution!
2277                  */
2278                 struct codeview_linetab*        linetab = NULL;
2279
2280                 if (next && next->iMod == ent->iMod &&
2281                     next->subsection == sstSrcModule)
2282                     linetab = codeview_snarf_linetab(msc_dbg->module,
2283                                                      msc_dbg->root + next->lfo, next->cb,
2284                                                      TRUE);
2285
2286                 if (prev && prev->iMod == ent->iMod &&
2287                     prev->subsection == sstSrcModule)
2288                     linetab = codeview_snarf_linetab(msc_dbg->module,
2289                                                      msc_dbg->root + prev->lfo, prev->cb,
2290                                                      TRUE);
2291
2292                 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2293                                ent->cb, linetab);
2294             }
2295         }
2296
2297         msc_dbg->module->module.SymType = SymCv;
2298         codeview_clear_type_table();
2299         ret = TRUE;
2300         break;
2301     }
2302
2303     case CODEVIEW_NB10_SIG:
2304     {
2305         const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)(cv + 1);
2306         pdb_lookup.filename = pdb->name;
2307         pdb_lookup.kind = PDB_JG;
2308         pdb_lookup.u.jg.timestamp = pdb->timestamp;
2309         pdb_lookup.u.jg.toc = NULL;
2310         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2311         break;
2312     }
2313     case CODEVIEW_RSDS_SIG:
2314     {
2315         const CODEVIEW_HEADER_RSDS* rsds = (const CODEVIEW_HEADER_RSDS*)msc_dbg->root;
2316
2317         TRACE("Got RSDS type of PDB file: guid=%s unk=%08lx name=%s\n",
2318               wine_dbgstr_guid(&rsds->guid), rsds->unknown, rsds->name);
2319         pdb_lookup.filename = rsds->name;
2320         pdb_lookup.kind = PDB_DS;
2321         pdb_lookup.u.ds.guid = rsds->guid;
2322         pdb_lookup.u.ds.toc = NULL;
2323         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2324         break;
2325     }
2326     default:
2327         ERR("Unknown CODEVIEW signature %08lX in module %s\n",
2328             cv->dwSignature, msc_dbg->module->module.ModuleName);
2329         break;
2330     }
2331
2332     return ret;
2333 }
2334
2335 /*========================================================================
2336  * Process debug directory.
2337  */
2338 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2339                              const BYTE* mapping,
2340                              const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2341                              const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2342 {
2343     BOOL                        ret;
2344     int                         i;
2345     struct msc_debug_info       msc_dbg;
2346
2347     msc_dbg.module = module;
2348     msc_dbg.nsect  = nsect;
2349     msc_dbg.sectp  = sectp;
2350     msc_dbg.nomap  = 0;
2351     msc_dbg.omapp  = NULL;
2352
2353     __TRY
2354     {
2355         ret = FALSE;
2356
2357         /* First, watch out for OMAP data */
2358         for (i = 0; i < nDbg; i++)
2359         {
2360             if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2361             {
2362                 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2363                 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2364                 break;
2365             }
2366         }
2367
2368         /* Now, try to parse CodeView debug info */
2369         for (i = 0; i < nDbg; i++)
2370         {
2371             if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2372             {
2373                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2374                 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2375             }
2376         }
2377
2378         /* If not found, try to parse COFF debug info */
2379         for (i = 0; i < nDbg; i++)
2380         {
2381             if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2382             {
2383                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2384                 if ((ret = coff_process_info(&msc_dbg))) goto done;
2385             }
2386         }
2387     done:
2388          /* FIXME: this should be supported... this is the debug information for
2389           * functions compiled without a frame pointer (FPO = frame pointer omission)
2390           * the associated data helps finding out the relevant information
2391           */
2392         for (i = 0; i < nDbg; i++)
2393             if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2394                 FIXME("This guy has FPO information\n");
2395 #if 0
2396
2397 #define FRAME_FPO   0
2398 #define FRAME_TRAP  1
2399 #define FRAME_TSS   2
2400
2401 typedef struct _FPO_DATA
2402 {
2403         DWORD       ulOffStart;            /* offset 1st byte of function code */
2404         DWORD       cbProcSize;            /* # bytes in function */
2405         DWORD       cdwLocals;             /* # bytes in locals/4 */
2406         WORD        cdwParams;             /* # bytes in params/4 */
2407
2408         WORD        cbProlog : 8;          /* # bytes in prolog */
2409         WORD        cbRegs   : 3;          /* # regs saved */
2410         WORD        fHasSEH  : 1;          /* TRUE if SEH in func */
2411         WORD        fUseBP   : 1;          /* TRUE if EBP has been allocated */
2412         WORD        reserved : 1;          /* reserved for future use */
2413         WORD        cbFrame  : 2;          /* frame type */
2414 } FPO_DATA;
2415 #endif
2416
2417     }
2418     __EXCEPT_PAGE_FAULT
2419     {
2420         ERR("Got a page fault while loading symbols\n");
2421         ret = FALSE;
2422     }
2423     __ENDTRY
2424     return ret;
2425 }