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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "winternl.h"
  53
  54 #include "wine/exception.h"
  55 #include "wine/debug.h"
  56 #include "dbghelp_private.h"
  57 #include "wine/mscvpdb.h"
  58
  59 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
  60
  61 #define MAX_PATHNAME_LEN 1024
  62
  63 /*========================================================================
  64  * Debug file access helper routines
  65  */
  66
  67 static void dump(const void* ptr, unsigned len)
  68 {
  69     int         i, j;
  70     char        msg[128];
  71     const char* hexof = "0123456789abcdef";
  72     const BYTE* x = (const BYTE*)ptr;
  73
  74     for (i = 0; i < len; i += 16)
  75     {
  76         sprintf(msg, "%08x: ", i);
  77         memset(msg + 10, ' ', 3 * 16 + 1 + 16);
  78         for (j = 0; j < min(16, len - i); j++)
  79         {
  80             msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
  81             msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
  82             msg[10 + 3 * j + 2] = ' ';
  83             msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
  84                 x[i + j] : '.';
  85         }
  86         msg[10 + 3 * 16] = ' ';
  87         msg[10 + 3 * 16 + 1 + 16] = '\0';
  88         FIXME("%s\n", msg);
  89     }
  90 }
  91
  92 /*========================================================================
  93  * Process CodeView type information.
  94  */
  95
  96 #define MAX_BUILTIN_TYPES       0x0480
  97 #define FIRST_DEFINABLE_TYPE    0x1000
  98
  99 static struct symt*     cv_basic_types[MAX_BUILTIN_TYPES];
 100
 101 struct cv_defined_module
 102 {
 103     BOOL                allowed;
 104     unsigned int        num_defined_types;
 105     struct symt**       defined_types;
 106 };
 107 /* FIXME: don't make it static */
 108 #define CV_MAX_MODULES          32
 109 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
 110 static struct cv_defined_module*cv_current_module;
 111
 112 static void codeview_init_basic_types(struct module* module)
 113 {
 114     /*
 115      * These are the common builtin types that are used by VC++.
 116      */
 117     cv_basic_types[T_NOTYPE] = NULL;
 118     cv_basic_types[T_ABS]    = NULL;
 119     cv_basic_types[T_VOID]   = &symt_new_basic(module, btVoid,  "void", 0)->symt;
 120     cv_basic_types[T_CHAR]   = &symt_new_basic(module, btChar,  "char", 1)->symt;
 121     cv_basic_types[T_SHORT]  = &symt_new_basic(module, btInt,   "short int", 2)->symt;
 122     cv_basic_types[T_LONG]   = &symt_new_basic(module, btInt,   "long int", 4)->symt;
 123     cv_basic_types[T_QUAD]   = &symt_new_basic(module, btInt,   "long long int", 8)->symt;
 124     cv_basic_types[T_UCHAR]  = &symt_new_basic(module, btUInt,  "unsigned char", 1)->symt;
 125     cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt,  "unsigned short", 2)->symt;
 126     cv_basic_types[T_ULONG]  = &symt_new_basic(module, btUInt,  "unsigned long", 4)->symt;
 127     cv_basic_types[T_UQUAD]  = &symt_new_basic(module, btUInt,  "unsigned long long", 8)->symt;
 128     cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
 129     cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
 130     cv_basic_types[T_RCHAR]  = &symt_new_basic(module, btInt,   "signed char", 1)->symt;
 131     cv_basic_types[T_WCHAR]  = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
 132     cv_basic_types[T_INT4]   = &symt_new_basic(module, btInt,   "INT4", 4)->symt;
 133     cv_basic_types[T_UINT4]  = &symt_new_basic(module, btUInt,  "UINT4", 4)->symt;
 134
 135     cv_basic_types[T_32PVOID]   = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
 136     cv_basic_types[T_32PCHAR]   = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
 137     cv_basic_types[T_32PSHORT]  = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
 138     cv_basic_types[T_32PLONG]   = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
 139     cv_basic_types[T_32PQUAD]   = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
 140     cv_basic_types[T_32PUCHAR]  = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
 141     cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
 142     cv_basic_types[T_32PULONG]  = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
 143     cv_basic_types[T_32PUQUAD]  = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
 144     cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
 145     cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
 146     cv_basic_types[T_32PRCHAR]  = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
 147     cv_basic_types[T_32PWCHAR]  = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
 148     cv_basic_types[T_32PINT4]   = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
 149     cv_basic_types[T_32PUINT4]  = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
 150 }
 151
 152 static int numeric_leaf(int* value, const unsigned short int* leaf)
 153 {
 154     unsigned short int type = *leaf++;
 155     int length = 2;
 156
 157     if (type < LF_NUMERIC)
 158     {
 159         *value = type;
 160     }
 161     else
 162     {
 163         switch (type)
 164         {
 165         case LF_CHAR:
 166             length += 1;
 167             *value = *(const char*)leaf;
 168             break;
 169
 170         case LF_SHORT:
 171             length += 2;
 172             *value = *(const short*)leaf;
 173             break;
 174
 175         case LF_USHORT:
 176             length += 2;
 177             *value = *(const unsigned short*)leaf;
 178             break;
 179
 180         case LF_LONG:
 181             length += 4;
 182             *value = *(const int*)leaf;
 183             break;
 184
 185         case LF_ULONG:
 186             length += 4;
 187             *value = *(const unsigned int*)leaf;
 188             break;
 189
 190         case LF_QUADWORD:
 191         case LF_UQUADWORD:
 192             FIXME("Unsupported numeric leaf type %04x\n", type);
 193             length += 8;
 194             *value = 0;    /* FIXME */
 195             break;
 196
 197         case LF_REAL32:
 198             FIXME("Unsupported numeric leaf type %04x\n", type);
 199             length += 4;
 200             *value = 0;    /* FIXME */
 201             break;
 202
 203         case LF_REAL48:
 204             FIXME("Unsupported numeric leaf type %04x\n", type);
 205             length += 6;
 206             *value = 0;    /* FIXME */
 207             break;
 208
 209         case LF_REAL64:
 210             FIXME("Unsupported numeric leaf type %04x\n", type);
 211             length += 8;
 212             *value = 0;    /* FIXME */
 213             break;
 214
 215         case LF_REAL80:
 216             FIXME("Unsupported numeric leaf type %04x\n", type);
 217             length += 10;
 218             *value = 0;    /* FIXME */
 219             break;
 220
 221         case LF_REAL128:
 222             FIXME("Unsupported numeric leaf type %04x\n", type);
 223             length += 16;
 224             *value = 0;    /* FIXME */
 225             break;
 226
 227         case LF_COMPLEX32:
 228             FIXME("Unsupported numeric leaf type %04x\n", type);
 229             length += 4;
 230             *value = 0;    /* FIXME */
 231             break;
 232
 233         case LF_COMPLEX64:
 234             FIXME("Unsupported numeric leaf type %04x\n", type);
 235             length += 8;
 236             *value = 0;    /* FIXME */
 237             break;
 238
 239         case LF_COMPLEX80:
 240             FIXME("Unsupported numeric leaf type %04x\n", type);
 241             length += 10;
 242             *value = 0;    /* FIXME */
 243             break;
 244
 245         case LF_COMPLEX128:
 246             FIXME("Unsupported numeric leaf type %04x\n", type);
 247             length += 16;
 248             *value = 0;    /* FIXME */
 249             break;
 250
 251         case LF_VARSTRING:
 252             FIXME("Unsupported numeric leaf type %04x\n", type);
 253             length += 2 + *leaf;
 254             *value = 0;    /* FIXME */
 255             break;
 256
 257         default:
 258             FIXME("Unknown numeric leaf type %04x\n", type);
 259             *value = 0;
 260             break;
 261         }
 262     }
 263
 264     return length;
 265 }
 266
 267 /* convert a pascal string (as stored in debug information) into
 268  * a C string (null terminated).
 269  */
 270 static const char* terminate_string(const struct p_string* p_name)
 271 {
 272     static char symname[256];
 273
 274     memcpy(symname, p_name->name, p_name->namelen);
 275     symname[p_name->namelen] = '\0';
 276
 277     return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
 278 }
 279
 280 static struct symt*  codeview_get_type(unsigned int typeno, BOOL quiet)
 281 {
 282     struct symt*        symt = NULL;
 283
 284     /*
 285      * Convert Codeview type numbers into something we can grok internally.
 286      * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
 287      * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
 288      */
 289     if (typeno < FIRST_DEFINABLE_TYPE)
 290     {
 291         if (typeno < MAX_BUILTIN_TYPES)
 292             symt = cv_basic_types[typeno];
 293     }
 294     else
 295     {
 296         unsigned        mod_index = typeno >> 24;
 297         unsigned        mod_typeno = typeno & 0x00FFFFFF;
 298         struct cv_defined_module*       mod;
 299
 300         mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
 301
 302         if (mod_index >= CV_MAX_MODULES || !mod->allowed)
 303             FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
 304         else
 305         {
 306             if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
 307                 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
 308         }
 309     }
 310     if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
 311     return symt;
 312 }
 313
 314 struct codeview_type_parse
 315 {
 316     struct module*      module;
 317     const BYTE*         table;
 318     const DWORD*        offset;
 319     DWORD               num;
 320 };
 321
 322 static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx)
 323 {
 324     if (idx < FIRST_DEFINABLE_TYPE) return NULL;
 325     idx -= FIRST_DEFINABLE_TYPE;
 326     return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
 327 }
 328
 329 static int codeview_add_type(unsigned int typeno, struct symt* dt)
 330 {
 331     if (typeno < FIRST_DEFINABLE_TYPE)
 332         FIXME("What the heck\n");
 333     if (!cv_current_module)
 334     {
 335         FIXME("Adding %x to non allowed module\n", typeno);
 336         return FALSE;
 337     }
 338     if ((typeno >> 24) != 0)
 339         FIXME("No module index while inserting type-id assumption is wrong %x\n",
 340               typeno);
 341     while (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
 342     {
 343         cv_current_module->num_defined_types += 0x100;
 344         if (cv_current_module->defined_types)
 345             cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(),
 346                             HEAP_ZERO_MEMORY, cv_current_module->defined_types,
 347                             cv_current_module->num_defined_types * sizeof(struct symt*));
 348         else
 349             cv_current_module->defined_types = HeapAlloc(GetProcessHeap(),
 350                             HEAP_ZERO_MEMORY,
 351                             cv_current_module->num_defined_types * sizeof(struct symt*));
 352
 353         if (cv_current_module->defined_types == NULL) return FALSE;
 354     }
 355     if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
 356     {
 357         if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
 358             FIXME("Overwritting at %x\n", typeno);
 359     }
 360     cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
 361     return TRUE;
 362 }
 363
 364 static void codeview_clear_type_table(void)
 365 {
 366     int i;
 367
 368     for (i = 0; i < CV_MAX_MODULES; i++)
 369     {
 370         if (cv_zmodules[i].allowed)
 371             HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
 372         cv_zmodules[i].allowed = FALSE;
 373         cv_zmodules[i].defined_types = NULL;
 374         cv_zmodules[i].num_defined_types = 0;
 375     }
 376     cv_current_module = NULL;
 377 }
 378
 379 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
 380                                             unsigned curr_type,
 381                                             const union codeview_type* type, BOOL details);
 382
 383 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
 384 {
 385     if (symt->tag != tag)
 386     {
 387         FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
 388         return NULL;
 389     }
 390     return symt;
 391 }
 392
 393 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
 394                                         unsigned typeno)
 395 {
 396     struct symt*                symt;
 397     const union codeview_type*  p;
 398
 399     if (!typeno) return NULL;
 400     if ((symt = codeview_get_type(typeno, TRUE))) return symt;
 401
 402     /* forward declaration */
 403     if (!(p = codeview_jump_to_type(ctp, typeno)))
 404     {
 405         FIXME("Cannot locate type %x\n", typeno);
 406         return NULL;
 407     }
 408     symt = codeview_parse_one_type(ctp, typeno, p, FALSE);
 409     if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
 410     return symt;
 411 }
 412
 413 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
 414                                               struct symt* existing,
 415                                               unsigned int pointee_type)
 416 {
 417     struct symt* pointee;
 418
 419     if (existing)
 420     {
 421         existing = codeview_cast_symt(existing, SymTagPointerType);
 422         return existing;
 423     }
 424     pointee = codeview_fetch_type(ctp, pointee_type);
 425     return &symt_new_pointer(ctp->module, pointee)->symt;
 426 }
 427
 428 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
 429                                             const char* name,
 430                                             unsigned int elemtype,
 431                                             unsigned int indextype,
 432                                             unsigned int arr_len)
 433 {
 434     struct symt*        elem = codeview_fetch_type(ctp, elemtype);
 435     struct symt*        index = codeview_fetch_type(ctp, indextype);
 436     DWORD               arr_max = 0;
 437
 438     if (elem)
 439     {
 440         DWORD64 elem_size;
 441         symt_get_info(elem, TI_GET_LENGTH, &elem_size);
 442         if (elem_size) arr_max = arr_len / (DWORD)elem_size;
 443     }
 444     return &symt_new_array(ctp->module, 0, arr_max, elem, index)->symt;
 445 }
 446
 447 static int codeview_add_type_enum_field_list(struct module* module,
 448                                              struct symt_enum* symt,
 449                                              const union codeview_reftype* ref_type)
 450 {
 451     const unsigned char*                ptr = ref_type->fieldlist.list;
 452     const unsigned char*                last = (const BYTE*)ref_type + ref_type->generic.len + 2;
 453     const union codeview_fieldtype*     type;
 454
 455     while (ptr < last)
 456     {
 457         if (*ptr >= 0xf0)       /* LF_PAD... */
 458         {
 459             ptr += *ptr & 0x0f;
 460             continue;
 461         }
 462
 463         type = (const union codeview_fieldtype*)ptr;
 464
 465         switch (type->generic.id)
 466         {
 467         case LF_ENUMERATE_V1:
 468         {
 469             int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
 470             const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
 471
 472             symt_add_enum_element(module, symt, terminate_string(p_name), value);
 473             ptr += 2 + 2 + vlen + (1 + p_name->namelen);
 474             break;
 475         }
 476         case LF_ENUMERATE_V3:
 477         {
 478             int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
 479             const char* name = (const char*)&type->enumerate_v3.value + vlen;
 480
 481             symt_add_enum_element(module, symt, name, value);
 482             ptr += 2 + 2 + vlen + (1 + strlen(name));
 483             break;
 484         }
 485
 486         default:
 487             FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
 488             return FALSE;
 489         }
 490     }
 491     return TRUE;
 492 }
 493
 494 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
 495                                      struct symt_udt* symt, const char* name,
 496                                      int value, unsigned type)
 497 {
 498     struct symt*                subtype;
 499     const union codeview_reftype*cv_type;
 500
 501     if ((cv_type = codeview_jump_to_type(ctp, type)))
 502     {
 503         switch (cv_type->generic.id)
 504         {
 505         case LF_BITFIELD_V1:
 506             symt_add_udt_element(ctp->module, symt, name,
 507                                  codeview_fetch_type(ctp, cv_type->bitfield_v1.type),
 508                                  cv_type->bitfield_v1.bitoff,
 509                                  cv_type->bitfield_v1.nbits);
 510             return;
 511         case LF_BITFIELD_V2:
 512             symt_add_udt_element(ctp->module, symt, name,
 513                                  codeview_fetch_type(ctp, cv_type->bitfield_v2.type),
 514                                  cv_type->bitfield_v2.bitoff,
 515                                  cv_type->bitfield_v2.nbits);
 516             return;
 517         }
 518     }
 519     subtype = codeview_fetch_type(ctp, type);
 520
 521     if (subtype)
 522     {
 523         DWORD64 elem_size = 0;
 524         symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
 525         symt_add_udt_element(ctp->module, symt, name, subtype,
 526                              value << 3, (DWORD)elem_size << 3);
 527     }
 528 }
 529
 530 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
 531                                                struct symt_udt* symt,
 532                                                unsigned fieldlistno)
 533 {
 534     const unsigned char*        ptr;
 535     const unsigned char*        last;
 536     int                         value, leaf_len;
 537     const struct p_string*      p_name;
 538     const char*                 c_name;
 539     const union codeview_reftype*type_ref;
 540     const union codeview_fieldtype* type;
 541
 542     if (!fieldlistno) return TRUE;
 543     type_ref = codeview_jump_to_type(ctp, fieldlistno);
 544     ptr = type_ref->fieldlist.list;
 545     last = (const BYTE*)type_ref + type_ref->generic.len + 2;
 546
 547     while (ptr < last)
 548     {
 549         if (*ptr >= 0xf0)       /* LF_PAD... */
 550         {
 551             ptr += *ptr & 0x0f;
 552             continue;
 553         }
 554
 555         type = (const union codeview_fieldtype*)ptr;
 556
 557         switch (type->generic.id)
 558         {
 559         case LF_BCLASS_V1:
 560             leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
 561
 562             /* FIXME: ignored for now */
 563
 564             ptr += 2 + 2 + 2 + leaf_len;
 565             break;
 566
 567         case LF_BCLASS_V2:
 568             leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
 569
 570             /* FIXME: ignored for now */
 571
 572             ptr += 2 + 2 + 4 + leaf_len;
 573             break;
 574
 575         case LF_VBCLASS_V1:
 576         case LF_IVBCLASS_V1:
 577             {
 578                 const unsigned short int* p_vboff;
 579                 int vpoff, vplen;
 580                 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
 581                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
 582                 vplen = numeric_leaf(&vpoff, p_vboff);
 583
 584                 /* FIXME: ignored for now */
 585
 586                 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
 587             }
 588             break;
 589
 590         case LF_VBCLASS_V2:
 591         case LF_IVBCLASS_V2:
 592             {
 593                 const unsigned short int* p_vboff;
 594                 int vpoff, vplen;
 595                 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
 596                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
 597                 vplen = numeric_leaf(&vpoff, p_vboff);
 598
 599                 /* FIXME: ignored for now */
 600
 601                 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
 602             }
 603             break;
 604
 605         case LF_MEMBER_V1:
 606             leaf_len = numeric_leaf(&value, &type->member_v1.offset);
 607             p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
 608
 609             codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
 610                                      type->member_v1.type);
 611
 612             ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
 613             break;
 614
 615         case LF_MEMBER_V2:
 616             leaf_len = numeric_leaf(&value, &type->member_v2.offset);
 617             p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
 618
 619             codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
 620                                      type->member_v2.type);
 621
 622             ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
 623             break;
 624
 625         case LF_MEMBER_V3:
 626             leaf_len = numeric_leaf(&value, &type->member_v3.offset);
 627             c_name = (const char*)&type->member_v3.offset + leaf_len;
 628
 629             codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
 630
 631             ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
 632             break;
 633
 634         case LF_STMEMBER_V1:
 635             /* FIXME: ignored for now */
 636             ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
 637             break;
 638
 639         case LF_STMEMBER_V2:
 640             /* FIXME: ignored for now */
 641             ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
 642             break;
 643
 644         case LF_METHOD_V1:
 645             /* FIXME: ignored for now */
 646             ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
 647             break;
 648
 649         case LF_METHOD_V2:
 650             /* FIXME: ignored for now */
 651             ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
 652             break;
 653
 654         case LF_NESTTYPE_V1:
 655             /* FIXME: ignored for now */
 656             ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
 657             break;
 658
 659         case LF_NESTTYPE_V2:
 660             /* FIXME: ignored for now */
 661             ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
 662             break;
 663
 664         case LF_VFUNCTAB_V1:
 665             /* FIXME: ignored for now */
 666             ptr += 2 + 2;
 667             break;
 668
 669         case LF_VFUNCTAB_V2:
 670             /* FIXME: ignored for now */
 671             ptr += 2 + 2 + 4;
 672             break;
 673
 674         case LF_ONEMETHOD_V1:
 675             /* FIXME: ignored for now */
 676             switch ((type->onemethod_v1.attribute >> 2) & 7)
 677             {
 678             case 4: case 6: /* (pure) introducing virtual method */
 679                 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
 680                 break;
 681
 682             default:
 683                 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
 684                 break;
 685             }
 686             break;
 687
 688         case LF_ONEMETHOD_V2:
 689             /* FIXME: ignored for now */
 690             switch ((type->onemethod_v2.attribute >> 2) & 7)
 691             {
 692             case 4: case 6: /* (pure) introducing virtual method */
 693                 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
 694                 break;
 695
 696             default:
 697                 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
 698                 break;
 699             }
 700             break;
 701
 702         default:
 703             FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
 704             return FALSE;
 705         }
 706     }
 707
 708     return TRUE;
 709 }
 710
 711 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
 712                                            struct symt* existing,
 713                                            const char* name,
 714                                            unsigned fieldlistno)
 715 {
 716     struct symt_enum*   symt;
 717
 718     if (existing)
 719     {
 720         if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
 721         /* should also check that all fields are the same */
 722     }
 723     else
 724     {
 725         symt = symt_new_enum(ctp->module, name);
 726         if (fieldlistno)
 727         {
 728             const union codeview_reftype* fieldlist;
 729             fieldlist = codeview_jump_to_type(ctp, fieldlistno);
 730             codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
 731         }
 732     }
 733     return &symt->symt;
 734 }
 735
 736 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
 737                                              struct symt* existing,
 738                                              const char* name, int structlen,
 739                                              enum UdtKind kind)
 740 {
 741     struct symt_udt*    symt;
 742
 743     if (existing)
 744     {
 745         if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
 746         /* should also check that all fields are the same */
 747     }
 748     else symt = symt_new_udt(ctp->module, name, structlen, kind);
 749
 750     return &symt->symt;
 751 }
 752
 753 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
 754                                                 struct symt* existing,
 755                                                 enum CV_call_e call_conv)
 756 {
 757     struct symt_function_signature*     sym;
 758
 759     if (existing)
 760     {
 761         sym = codeview_cast_symt(existing, SymTagFunctionType);
 762         if (!sym) return NULL;
 763     }
 764     else
 765     {
 766         sym = symt_new_function_signature(ctp->module, NULL, call_conv);
 767     }
 768     return &sym->symt;
 769 }
 770
 771 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
 772                                              struct symt_function_signature* sym,
 773                                              unsigned ret_type,
 774                                              unsigned args_list)
 775 {
 776     const union codeview_reftype*       reftype;
 777
 778     sym->rettype = codeview_fetch_type(ctp, ret_type);
 779     if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
 780     {
 781         int i;
 782         switch (reftype->generic.id)
 783         {
 784         case LF_ARGLIST_V1:
 785             for (i = 0; i < reftype->arglist_v1.num; i++)
 786                 symt_add_function_signature_parameter(ctp->module, sym,
 787                                                       codeview_fetch_type(ctp, reftype->arglist_v1.args[i]));
 788             break;
 789         case LF_ARGLIST_V2:
 790             for (i = 0; i < reftype->arglist_v2.num; i++)
 791                 symt_add_function_signature_parameter(ctp->module, sym,
 792                                                       codeview_fetch_type(ctp, reftype->arglist_v2.args[i]));
 793             break;
 794         default:
 795             FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
 796         }
 797     }
 798 }
 799
 800 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
 801                                             unsigned curr_type,
 802                                             const union codeview_type* type, BOOL details)
 803 {
 804     struct symt*                symt;
 805     int                         value, leaf_len;
 806     const struct p_string*      p_name;
 807     const char*                 c_name;
 808     struct symt*                existing;
 809
 810     existing = codeview_get_type(curr_type, TRUE);
 811
 812     switch (type->generic.id)
 813     {
 814     case LF_MODIFIER_V1:
 815         /* FIXME: we don't handle modifiers,
 816          * but readd previous type on the curr_type
 817          */
 818         WARN("Modifier on %x: %s%s%s%s\n",
 819              type->modifier_v1.type,
 820              type->modifier_v1.attribute & 0x01 ? "const " : "",
 821              type->modifier_v1.attribute & 0x02 ? "volatile " : "",
 822              type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
 823              type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
 824         if (!(symt = codeview_get_type(type->modifier_v1.type, TRUE)))
 825             symt = codeview_parse_one_type(ctp, type->modifier_v1.type,
 826                                            codeview_jump_to_type(ctp, type->modifier_v1.type), details);
 827         break;
 828     case LF_MODIFIER_V2:
 829         /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
 830         WARN("Modifier on %x: %s%s%s%s\n",
 831              type->modifier_v2.type,
 832              type->modifier_v2.attribute & 0x01 ? "const " : "",
 833              type->modifier_v2.attribute & 0x02 ? "volatile " : "",
 834              type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
 835              type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
 836         if (!(symt = codeview_get_type(type->modifier_v2.type, TRUE)))
 837             symt = codeview_parse_one_type(ctp, type->modifier_v2.type,
 838                                            codeview_jump_to_type(ctp, type->modifier_v2.type), details);
 839         break;
 840
 841     case LF_POINTER_V1:
 842         symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
 843         break;
 844     case LF_POINTER_V2:
 845         symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
 846         break;
 847
 848     case LF_ARRAY_V1:
 849         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 850         else
 851         {
 852             leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
 853             p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
 854             symt = codeview_add_type_array(ctp, terminate_string(p_name),
 855                                            type->array_v1.elemtype,
 856                                            type->array_v1.idxtype, value);
 857         }
 858         break;
 859     case LF_ARRAY_V2:
 860         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 861         else
 862         {
 863             leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
 864             p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
 865
 866             symt = codeview_add_type_array(ctp, terminate_string(p_name),
 867                                            type->array_v2.elemtype,
 868                                            type->array_v2.idxtype, value);
 869         }
 870         break;
 871     case LF_ARRAY_V3:
 872         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 873         else
 874         {
 875             leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
 876             c_name = (const char*)&type->array_v3.arrlen + leaf_len;
 877
 878             symt = codeview_add_type_array(ctp, c_name,
 879                                            type->array_v3.elemtype,
 880                                            type->array_v3.idxtype, value);
 881         }
 882         break;
 883
 884     case LF_STRUCTURE_V1:
 885     case LF_CLASS_V1:
 886         leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
 887         p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
 888         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
 889                                         type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct);
 890         if (details)
 891         {
 892             codeview_add_type(curr_type, symt);
 893             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 894                                                 type->struct_v1.fieldlist);
 895         }
 896         break;
 897
 898     case LF_STRUCTURE_V2:
 899     case LF_CLASS_V2:
 900         leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
 901         p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
 902         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
 903                                         type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct);
 904         if (details)
 905         {
 906             codeview_add_type(curr_type, symt);
 907             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 908                                                 type->struct_v2.fieldlist);
 909         }
 910         break;
 911
 912     case LF_STRUCTURE_V3:
 913     case LF_CLASS_V3:
 914         leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
 915         c_name = (const char*)&type->struct_v3.structlen + leaf_len;
 916         symt = codeview_add_type_struct(ctp, existing, c_name, value,
 917                                         type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct);
 918         if (details)
 919         {
 920             codeview_add_type(curr_type, symt);
 921             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 922                                                 type->struct_v3.fieldlist);
 923         }
 924         break;
 925
 926     case LF_UNION_V1:
 927         leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
 928         p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
 929         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
 930                                         value, UdtUnion);
 931         if (details)
 932         {
 933             codeview_add_type(curr_type, symt);
 934             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 935                                                 type->union_v1.fieldlist);
 936         }
 937         break;
 938
 939     case LF_UNION_V2:
 940         leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
 941         p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
 942         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
 943                                         value, UdtUnion);
 944         if (details)
 945         {
 946             codeview_add_type(curr_type, symt);
 947             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 948                                                 type->union_v2.fieldlist);
 949         }
 950         break;
 951
 952     case LF_UNION_V3:
 953         leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
 954         c_name = (const char*)&type->union_v3.un_len + leaf_len;
 955         symt = codeview_add_type_struct(ctp, existing, c_name,
 956                                         value, UdtUnion);
 957         if (details)
 958         {
 959             codeview_add_type(curr_type, symt);
 960             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 961                                                 type->union_v3.fieldlist);
 962         }
 963         break;
 964
 965     case LF_ENUM_V1:
 966         symt = codeview_add_type_enum(ctp, existing,
 967                                       terminate_string(&type->enumeration_v1.p_name),
 968                                       type->enumeration_v1.fieldlist);
 969         break;
 970
 971     case LF_ENUM_V2:
 972         symt = codeview_add_type_enum(ctp, existing,
 973                                       terminate_string(&type->enumeration_v2.p_name),
 974                                       type->enumeration_v2.fieldlist);
 975         break;
 976
 977     case LF_ENUM_V3:
 978         symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
 979                                       type->enumeration_v3.fieldlist);
 980         break;
 981
 982     case LF_PROCEDURE_V1:
 983         symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
 984         if (details)
 985         {
 986             codeview_add_type(curr_type, symt);
 987             codeview_add_func_signature_args(ctp,
 988                                              (struct symt_function_signature*)symt,
 989                                              type->procedure_v1.rvtype,
 990                                              type->procedure_v1.arglist);
 991         }
 992         break;
 993     case LF_PROCEDURE_V2:
 994         symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call);
 995         if (details)
 996         {
 997             codeview_add_type(curr_type, symt);
 998             codeview_add_func_signature_args(ctp,
 999                                              (struct symt_function_signature*)symt,
1000                                              type->procedure_v2.rvtype,
1001                                              type->procedure_v2.arglist);
1002         }
1003         break;
1004
1005     case LF_MFUNCTION_V1:
1006         /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1007          * nor class information, this would just do for now
1008          */
1009         symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1010         if (details)
1011         {
1012             codeview_add_type(curr_type, symt);
1013             codeview_add_func_signature_args(ctp,
1014                                              (struct symt_function_signature*)symt,
1015                                              type->mfunction_v1.rvtype,
1016                                              type->mfunction_v1.arglist);
1017         }
1018         break;
1019     case LF_MFUNCTION_V2:
1020         /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1021          * nor class information, this would just do for now
1022          */
1023         symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1024         if (details)
1025         {
1026             codeview_add_type(curr_type, symt);
1027             codeview_add_func_signature_args(ctp,
1028                                              (struct symt_function_signature*)symt,
1029                                              type->mfunction_v2.rvtype,
1030                                              type->mfunction_v2.arglist);
1031         }
1032         break;
1033
1034     case LF_VTSHAPE_V1:
1035         /* this is an ugly hack... FIXME when we have C++ support */
1036         if (!(symt = existing))
1037         {
1038             char    buf[128];
1039             snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1040             symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1041         }
1042         break;
1043     default:
1044         FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1045         dump(type, 2 + type->generic.len);
1046         return FALSE;
1047     }
1048     return codeview_add_type(curr_type, symt) ? symt : NULL;
1049 }
1050
1051 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1052 {
1053     unsigned int                curr_type = FIRST_DEFINABLE_TYPE;
1054     const union codeview_type*  type;
1055
1056     for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1057     {
1058         type = codeview_jump_to_type(ctp, curr_type);
1059
1060         /* type records we're interested in are the ones referenced by symbols
1061          * The known ranges are (X mark the ones we want):
1062          *   X  0000-0016       for V1 types
1063          *      0200-020c       for V1 types referenced by other types
1064          *      0400-040f       for V1 types (complex lists & sets)
1065          *   X  1000-100f       for V2 types
1066          *      1200-120c       for V2 types referenced by other types
1067          *      1400-140f       for V1 types (complex lists & sets)
1068          *   X  1500-150d       for V3 types
1069          *      8000-8010       for numeric leafes
1070          */
1071         if (type->generic.id & 0x8600) continue;
1072         codeview_parse_one_type(ctp, curr_type, type, TRUE);
1073     }
1074
1075     return TRUE;
1076 }
1077
1078 /*========================================================================
1079  * Process CodeView line number information.
1080  */
1081
1082 static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
1083                                                        const BYTE* linetab, int size,
1084                                                        BOOL pascal_str)
1085 {
1086     int                         file_segcount;
1087     char                        filename[PATH_MAX];
1088     const unsigned int*         filetab;
1089     const struct p_string*      p_fn;
1090     int                         i;
1091     int                         k;
1092     struct codeview_linetab*    lt_hdr;
1093     const unsigned int*         lt_ptr;
1094     int                         nfile;
1095     int                         nseg;
1096     union any_size              pnt;
1097     union any_size              pnt2;
1098     const struct startend*      start;
1099     int                         this_seg;
1100     unsigned                    source;
1101
1102     /*
1103      * Now get the important bits.
1104      */
1105     pnt.uc = linetab;
1106     nfile = *pnt.s++;
1107     nseg = *pnt.s++;
1108
1109     filetab = (const unsigned int*) pnt.c;
1110
1111     /*
1112      * Now count up the number of segments in the file.
1113      */
1114     nseg = 0;
1115     for (i = 0; i < nfile; i++)
1116     {
1117         pnt2.uc = linetab + filetab[i];
1118         nseg += *pnt2.s;
1119     }
1120
1121     /*
1122      * Next allocate the header we will be returning.
1123      * There is one header for each segment, so that we can reach in
1124      * and pull bits as required.
1125      */
1126     lt_hdr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1127                 (nseg + 1) * sizeof(*lt_hdr));
1128     if (lt_hdr == NULL)
1129     {
1130         goto leave;
1131     }
1132
1133     /*
1134      * Now fill the header we will be returning, one for each segment.
1135      * Note that this will basically just contain pointers into the existing
1136      * line table, and we do not actually copy any additional information
1137      * or allocate any additional memory.
1138      */
1139
1140     this_seg = 0;
1141     for (i = 0; i < nfile; i++)
1142     {
1143         /*
1144          * Get the pointer into the segment information.
1145          */
1146         pnt2.uc = linetab + filetab[i];
1147         file_segcount = *pnt2.s;
1148
1149         pnt2.ui++;
1150         lt_ptr = (const unsigned int*) pnt2.c;
1151         start = (const struct startend*)(lt_ptr + file_segcount);
1152
1153         /*
1154          * Now snarf the filename for all of the segments for this file.
1155          */
1156         if (pascal_str)
1157         {
1158             p_fn = (const struct p_string*)(start + file_segcount);
1159             memset(filename, 0, sizeof(filename));
1160             memcpy(filename, p_fn->name, p_fn->namelen);
1161             source = source_new(module, NULL, filename);
1162         }
1163         else
1164             source = source_new(module, NULL, (const char*)(start + file_segcount));
1165
1166         for (k = 0; k < file_segcount; k++, this_seg++)
1167         {
1168             pnt2.uc = linetab + lt_ptr[k];
1169             lt_hdr[this_seg].start      = start[k].start;
1170             lt_hdr[this_seg].end        = start[k].end;
1171             lt_hdr[this_seg].source     = source;
1172             lt_hdr[this_seg].segno      = *pnt2.s++;
1173             lt_hdr[this_seg].nline      = *pnt2.s++;
1174             lt_hdr[this_seg].offtab     = pnt2.ui;
1175             lt_hdr[this_seg].linetab    = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
1176         }
1177     }
1178
1179 leave:
1180
1181   return lt_hdr;
1182
1183 }
1184
1185 /*========================================================================
1186  * Process CodeView symbol information.
1187  */
1188
1189 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1190                                         unsigned int offset)
1191 {
1192     int                 nomap = msc_dbg->nomap;
1193     const OMAP_DATA*    omapp = msc_dbg->omapp;
1194     int                 i;
1195
1196     if (!nomap || !omapp) return offset;
1197
1198     /* FIXME: use binary search */
1199     for (i = 0; i < nomap - 1; i++)
1200         if (omapp[i].from <= offset && omapp[i+1].from > offset)
1201             return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1202
1203     return 0;
1204 }
1205
1206 static const struct codeview_linetab*
1207 codeview_get_linetab(const struct codeview_linetab* linetab,
1208                      unsigned seg, unsigned offset)
1209 {
1210     /*
1211      * Check whether we have line number information
1212      */
1213     if (linetab)
1214     {
1215         for (; linetab->linetab; linetab++)
1216             if (linetab->segno == seg &&
1217                 linetab->start <= offset && linetab->end   >  offset)
1218                 break;
1219         if (!linetab->linetab) linetab = NULL;
1220     }
1221     return linetab;
1222 }
1223
1224 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1225                                      unsigned seg, unsigned offset)
1226 {
1227     int                         nsect = msc_dbg->nsect;
1228     const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1229
1230     if (!seg || seg > nsect) return 0;
1231     return msc_dbg->module->module.BaseOfImage +
1232         codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1233 }
1234
1235 static void codeview_add_func_linenum(struct module* module,
1236                                       struct symt_function* func,
1237                                       const struct codeview_linetab* linetab,
1238                                       unsigned offset, unsigned size)
1239 {
1240     unsigned int        i;
1241
1242     if (!linetab) return;
1243     for (i = 0; i < linetab->nline; i++)
1244     {
1245         if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
1246         {
1247             symt_add_func_line(module, func, linetab->source,
1248                                linetab->linetab[i], linetab->offtab[i] - offset);
1249         }
1250     }
1251 }
1252
1253 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1254                           int offset, int size,
1255                           struct codeview_linetab* linetab)
1256 {
1257     struct symt_function*               curr_func = NULL;
1258     int                                 i, length;
1259     const struct codeview_linetab*      flt;
1260     struct symt_block*                  block = NULL;
1261     struct symt*                        symt;
1262     const char*                         name;
1263     struct symt_compiland*              compiland = NULL;
1264     struct location                     loc;
1265
1266     /*
1267      * Loop over the different types of records and whenever we
1268      * find something we are interested in, record it and move on.
1269      */
1270     for (i = offset; i < size; i += length)
1271     {
1272         const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1273         length = sym->generic.len + 2;
1274         if (i + length > size) break;
1275         if (length & 3) FIXME("unpadded len %u\n", length);
1276
1277         switch (sym->generic.id)
1278         {
1279         /*
1280          * Global and local data symbols.  We don't associate these
1281          * with any given source file.
1282          */
1283         case S_GDATA_V1:
1284         case S_LDATA_V1:
1285             symt_new_global_variable(msc_dbg->module, compiland,
1286                                      terminate_string(&sym->data_v1.p_name), sym->generic.id == S_LDATA_V1,
1287                                      codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1288                                      0,
1289                                      codeview_get_type(sym->data_v1.symtype, FALSE));
1290             break;
1291         case S_GDATA_V2:
1292         case S_LDATA_V2:
1293             name = terminate_string(&sym->data_v2.p_name);
1294             if (name)
1295                 symt_new_global_variable(msc_dbg->module, compiland,
1296                                          name, sym->generic.id == S_LDATA_V2,
1297                                          codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1298                                          0,
1299                                          codeview_get_type(sym->data_v2.symtype, FALSE));
1300             break;
1301         case S_GDATA_V3:
1302         case S_LDATA_V3:
1303             if (*sym->data_v3.name)
1304                 symt_new_global_variable(msc_dbg->module, compiland,
1305                                          sym->data_v3.name,
1306                                          sym->generic.id == S_LDATA_V3,
1307                                          codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1308                                          0,
1309                                          codeview_get_type(sym->data_v3.symtype, FALSE));
1310             break;
1311
1312         case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1313             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1314             {
1315                 symt_new_public(msc_dbg->module, compiland,
1316                                 terminate_string(&sym->data_v1.p_name),
1317                                 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1318                                 1, TRUE /* FIXME */, TRUE /* FIXME */);
1319             }
1320             break;
1321         case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1322             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1323             {
1324                 symt_new_public(msc_dbg->module, compiland,
1325                                 terminate_string(&sym->data_v2.p_name),
1326                                 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1327                                 1, TRUE /* FIXME */, TRUE /* FIXME */);
1328             }
1329             break;
1330
1331         /*
1332          * Sort of like a global function, but it just points
1333          * to a thunk, which is a stupid name for what amounts to
1334          * a PLT slot in the normal jargon that everyone else uses.
1335          */
1336         case S_THUNK_V1:
1337             symt_new_thunk(msc_dbg->module, compiland,
1338                            terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1339                            codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1340                            sym->thunk_v1.thunk_len);
1341             break;
1342         case S_THUNK_V3:
1343             symt_new_thunk(msc_dbg->module, compiland,
1344                            sym->thunk_v3.name, sym->thunk_v3.thtype,
1345                            codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1346                            sym->thunk_v3.thunk_len);
1347             break;
1348
1349         /*
1350          * Global and static functions.
1351          */
1352         case S_GPROC_V1:
1353         case S_LPROC_V1:
1354             flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
1355             if (curr_func) FIXME("nested function\n");
1356             curr_func = symt_new_function(msc_dbg->module, compiland,
1357                                           terminate_string(&sym->proc_v1.p_name),
1358                                           codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1359                                           sym->proc_v1.proc_len,
1360                                           codeview_get_type(sym->proc_v1.proctype, FALSE));
1361             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1362                                       sym->proc_v1.offset, sym->proc_v1.proc_len);
1363             loc.kind = loc_absolute;
1364             loc.offset = sym->proc_v1.debug_start;
1365             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1366             loc.offset = sym->proc_v1.debug_end;
1367             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1368             break;
1369         case S_GPROC_V2:
1370         case S_LPROC_V2:
1371             flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
1372             if (curr_func) FIXME("nested function\n");
1373             curr_func = symt_new_function(msc_dbg->module, compiland,
1374                                           terminate_string(&sym->proc_v2.p_name),
1375                                           codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1376                                           sym->proc_v2.proc_len,
1377                                           codeview_get_type(sym->proc_v2.proctype, FALSE));
1378             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1379                                       sym->proc_v2.offset, sym->proc_v2.proc_len);
1380             loc.kind = loc_absolute;
1381             loc.offset = sym->proc_v2.debug_start;
1382             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1383             loc.offset = sym->proc_v2.debug_end;
1384             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1385             break;
1386         case S_GPROC_V3:
1387         case S_LPROC_V3:
1388             flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
1389             if (curr_func) FIXME("nested function\n");
1390             curr_func = symt_new_function(msc_dbg->module, compiland,
1391                                           sym->proc_v3.name,
1392                                           codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1393                                           sym->proc_v3.proc_len,
1394                                           codeview_get_type(sym->proc_v3.proctype, FALSE));
1395             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1396                                       sym->proc_v3.offset, sym->proc_v3.proc_len);
1397             loc.kind = loc_absolute;
1398             loc.offset = sym->proc_v3.debug_start;
1399             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1400             loc.offset = sym->proc_v3.debug_end;
1401             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1402             break;
1403         /*
1404          * Function parameters and stack variables.
1405          */
1406         case S_BPREL_V1:
1407             loc.kind = loc_regrel;
1408             loc.reg = 0; /* FIXME */
1409             loc.offset = sym->stack_v1.offset;
1410             symt_add_func_local(msc_dbg->module, curr_func,
1411                                 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1412                                 &loc, block,
1413                                 codeview_get_type(sym->stack_v1.symtype, FALSE),
1414                                 terminate_string(&sym->stack_v1.p_name));
1415             break;
1416         case S_BPREL_V2:
1417             loc.kind = loc_regrel;
1418             loc.reg = 0; /* FIXME */
1419             loc.offset = sym->stack_v2.offset;
1420             symt_add_func_local(msc_dbg->module, curr_func,
1421                                 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1422                                 &loc, block,
1423                                 codeview_get_type(sym->stack_v2.symtype, FALSE),
1424                                 terminate_string(&sym->stack_v2.p_name));
1425             break;
1426         case S_BPREL_V3:
1427             loc.kind = loc_regrel;
1428             loc.reg = 0; /* FIXME */
1429             loc.offset = sym->stack_v3.offset;
1430             symt_add_func_local(msc_dbg->module, curr_func,
1431                                 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1432                                 &loc, block,
1433                                 codeview_get_type(sym->stack_v3.symtype, FALSE),
1434                                 sym->stack_v3.name);
1435             break;
1436
1437         case S_REGISTER_V1:
1438             loc.kind = loc_register;
1439             loc.reg = sym->register_v1.reg;
1440             loc.offset = 0;
1441             symt_add_func_local(msc_dbg->module, curr_func,
1442                                 DataIsLocal, &loc,
1443                                 block, codeview_get_type(sym->register_v1.type, FALSE),
1444                                 terminate_string(&sym->register_v1.p_name));
1445             break;
1446         case S_REGISTER_V2:
1447             loc.kind = loc_register;
1448             loc.reg = sym->register_v2.reg;
1449             loc.offset = 0;
1450             symt_add_func_local(msc_dbg->module, curr_func,
1451                                 DataIsLocal, &loc,
1452                                 block, codeview_get_type(sym->register_v2.type, FALSE),
1453                                 terminate_string(&sym->register_v2.p_name));
1454             break;
1455
1456         case S_BLOCK_V1:
1457             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1458                                          codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1459                                          sym->block_v1.length);
1460             break;
1461         case S_BLOCK_V3:
1462             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1463                                          codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1464                                          sym->block_v3.length);
1465             break;
1466
1467         case S_END_V1:
1468             if (block)
1469             {
1470                 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1471             }
1472             else if (curr_func)
1473             {
1474                 symt_normalize_function(msc_dbg->module, curr_func);
1475                 curr_func = NULL;
1476             }
1477             break;
1478
1479         case S_COMPILAND_V1:
1480             TRACE("S-Compiland-V1 %x %s\n",
1481                   sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1482             break;
1483
1484         case S_COMPILAND_V2:
1485             TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1486             if (TRACE_ON(dbghelp_msc))
1487             {
1488                 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1489                 const char* ptr2;
1490                 while (*ptr1)
1491                 {
1492                     ptr2 = ptr1 + strlen(ptr1) + 1;
1493                     TRACE("\t%s => %s\n", ptr1, ptr2);
1494                     ptr1 = ptr2 + strlen(ptr2) + 1;
1495                 }
1496             }
1497             break;
1498         case S_COMPILAND_V3:
1499             TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1500             if (TRACE_ON(dbghelp_msc))
1501             {
1502                 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1503                 const char* ptr2;
1504                 while (*ptr1)
1505                 {
1506                     ptr2 = ptr1 + strlen(ptr1) + 1;
1507                     TRACE("\t%s => %s\n", ptr1, ptr2);
1508                     ptr1 = ptr2 + strlen(ptr2) + 1;
1509                 }
1510             }
1511             break;
1512
1513         case S_OBJNAME_V1:
1514             TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1515             compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1516                                            source_new(msc_dbg->module, NULL,
1517                                                       terminate_string(&sym->objname_v1.p_name)));
1518             break;
1519
1520         case S_LABEL_V1:
1521             if (curr_func)
1522             {
1523                 loc.kind = loc_absolute;
1524                 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1525                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1526                                         terminate_string(&sym->label_v1.p_name));
1527             }
1528             else
1529                 FIXME("No current function for label %s\n",
1530                       terminate_string(&sym->label_v1.p_name));
1531             break;
1532         case S_LABEL_V3:
1533             if (curr_func)
1534             {
1535                 loc.kind = loc_absolute;
1536                 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1537                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1538                                         &loc, sym->label_v3.name);
1539             }
1540             else
1541                 FIXME("No current function for label %s\n", sym->label_v3.name);
1542             break;
1543
1544         case S_CONSTANT_V1:
1545             {
1546                 int                     vlen;
1547                 const struct p_string*  name;
1548                 struct symt*            se;
1549                 VARIANT                 v;
1550
1551                 v.n1.n2.vt = VT_I4;
1552                 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v1.cvalue);
1553                 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1554                 se = codeview_get_type(sym->constant_v1.type, FALSE);
1555
1556                 TRACE("S-Constant-V1 %u %s %x\n",
1557                       v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1558                 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1559                                   se, &v);
1560             }
1561             break;
1562         case S_CONSTANT_V2:
1563             {
1564                 int                     vlen;
1565                 const struct p_string*  name;
1566                 struct symt*            se;
1567                 VARIANT                 v;
1568
1569                 v.n1.n2.vt = VT_I4;
1570                 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v2.cvalue);
1571                 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1572                 se = codeview_get_type(sym->constant_v2.type, FALSE);
1573
1574                 TRACE("S-Constant-V2 %u %s %x\n",
1575                       v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1576                 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1577                                   se, &v);
1578             }
1579             break;
1580         case S_CONSTANT_V3:
1581             {
1582                 int                     vlen;
1583                 const char*             name;
1584                 struct symt*            se;
1585                 VARIANT                 v;
1586
1587                 v.n1.n2.vt = VT_I4;
1588                 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v3.cvalue);
1589                 name = (const char*)&sym->constant_v3.cvalue + vlen;
1590                 se = codeview_get_type(sym->constant_v3.type, FALSE);
1591
1592                 TRACE("S-Constant-V3 %u %s %x\n",
1593                       v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1594                 /* FIXME: we should add this as a constant value */
1595             }
1596             break;
1597
1598         case S_UDT_V1:
1599             if (sym->udt_v1.type)
1600             {
1601                 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1602                     symt_new_typedef(msc_dbg->module, symt,
1603                                      terminate_string(&sym->udt_v1.p_name));
1604                 else
1605                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1606                           terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1607             }
1608             break;
1609         case S_UDT_V2:
1610             if (sym->udt_v2.type)
1611             {
1612                 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1613                     symt_new_typedef(msc_dbg->module, symt,
1614                                      terminate_string(&sym->udt_v2.p_name));
1615                 else
1616                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1617                           terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1618             }
1619             break;
1620         case S_UDT_V3:
1621             if (sym->udt_v3.type)
1622             {
1623                 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1624                     symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1625                 else
1626                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1627                           sym->udt_v3.name, sym->udt_v3.type);
1628             }
1629             break;
1630
1631          /*
1632          * These are special, in that they are always followed by an
1633          * additional length-prefixed string which is *not* included
1634          * into the symbol length count.  We need to skip it.
1635          */
1636         case S_PROCREF_V1:
1637         case S_DATAREF_V1:
1638         case S_LPROCREF_V1:
1639             name = (const char*)sym + length;
1640             length += (*name + 1 + 3) & ~3;
1641             break;
1642
1643         case S_PUB_V3:
1644             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1645             {
1646                 symt_new_public(msc_dbg->module, compiland,
1647                                 sym->data_v3.name,
1648                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1649                                 1, FALSE /* FIXME */, FALSE);
1650             }
1651             break;
1652         case S_PUB_FUNC1_V3:
1653         case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1654             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1655             {
1656                 symt_new_public(msc_dbg->module, compiland,
1657                                 sym->data_v3.name,
1658                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1659                                 1, TRUE /* FIXME */, TRUE);
1660             }
1661             break;
1662
1663         case S_MSTOOL_V3: /* just to silence a few warnings */
1664             break;
1665
1666         case S_SSEARCH_V1:
1667             TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1668                   sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1669             break;
1670
1671         case S_ALIGN_V1:
1672             TRACE("S-Align V1\n");
1673             break;
1674
1675         default:
1676             FIXME("Unsupported symbol id %x\n", sym->generic.id);
1677             dump(sym, 2 + sym->generic.len);
1678             break;
1679         }
1680     }
1681
1682     if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1683
1684     HeapFree(GetProcessHeap(), 0, linetab);
1685     return TRUE;
1686 }
1687
1688 /*========================================================================
1689  * Process PDB file.
1690  */
1691
1692 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1693                          int size)
1694 {
1695     int                         i, num_blocks;
1696     BYTE*                       buffer;
1697
1698     if (!size) return NULL;
1699
1700     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1701     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1702
1703     for (i = 0; i < num_blocks; i++)
1704         memcpy(buffer + i * pdb->block_size,
1705                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1706
1707     return buffer;
1708 }
1709
1710 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
1711                          int size)
1712 {
1713     int                         i, num_blocks;
1714     BYTE*                       buffer;
1715
1716     if (!size) return NULL;
1717
1718     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1719     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1720
1721     for (i = 0; i < num_blocks; i++)
1722         memcpy(buffer + i * pdb->block_size,
1723                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1724
1725     return buffer;
1726 }
1727
1728 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
1729                               const struct PDB_JG_TOC* toc, DWORD file_nr)
1730 {
1731     const WORD*                 block_list;
1732     DWORD                       i;
1733
1734     if (!toc || file_nr >= toc->num_files) return NULL;
1735
1736     block_list = (const WORD*) &toc->file[toc->num_files];
1737     for (i = 0; i < file_nr; i++)
1738         block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
1739
1740     return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
1741 }
1742
1743 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
1744                               const struct PDB_DS_TOC* toc, DWORD file_nr)
1745 {
1746     const DWORD*                block_list;
1747     DWORD                       i;
1748
1749     if (!toc || file_nr >= toc->num_files) return NULL;
1750
1751     if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
1752     {
1753         FIXME(">>> requesting NULL stream (%u)\n", file_nr);
1754         return NULL;
1755     }
1756     block_list = &toc->file_size[toc->num_files];
1757     for (i = 0; i < file_nr; i++)
1758         block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
1759
1760     return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
1761 }
1762
1763 static void* pdb_read_file(const char* image, const struct pdb_lookup* pdb_lookup,
1764                            DWORD file_nr)
1765 {
1766     switch (pdb_lookup->kind)
1767     {
1768     case PDB_JG:
1769         return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
1770                                 pdb_lookup->u.jg.toc, file_nr);
1771     case PDB_DS:
1772         return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
1773                                 pdb_lookup->u.ds.toc, file_nr);
1774     }
1775     return NULL;
1776 }
1777
1778 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
1779 {
1780     switch (pdb_lookup->kind)
1781     {
1782     case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
1783     case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
1784     }
1785     return 0;
1786 }
1787
1788 static void pdb_free(void* buffer)
1789 {
1790     HeapFree(GetProcessHeap(), 0, buffer);
1791 }
1792
1793 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
1794 {
1795     switch (pdb_lookup->kind)
1796     {
1797     case PDB_JG:
1798         pdb_free(pdb_lookup->u.jg.toc);
1799         break;
1800     case PDB_DS:
1801         pdb_free(pdb_lookup->u.ds.toc);
1802         break;
1803     }
1804 }
1805
1806 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
1807 {
1808     memset(types, 0, sizeof(PDB_TYPES));
1809     if (!image) return;
1810
1811     if (*(const DWORD*)image < 19960000)   /* FIXME: correct version? */
1812     {
1813         /* Old version of the types record header */
1814         const PDB_TYPES_OLD*    old = (const PDB_TYPES_OLD*)image;
1815         types->version     = old->version;
1816         types->type_offset = sizeof(PDB_TYPES_OLD);
1817         types->type_size   = old->type_size;
1818         types->first_index = old->first_index;
1819         types->last_index  = old->last_index;
1820         types->file        = old->file;
1821     }
1822     else
1823     {
1824         /* New version of the types record header */
1825         *types = *(const PDB_TYPES*)image;
1826     }
1827 }
1828
1829 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
1830                                        int* header_size, const BYTE* image)
1831 {
1832     memset(symbols, 0, sizeof(PDB_SYMBOLS));
1833     if (!image) return;
1834
1835     if (*(const DWORD*)image != 0xffffffff)
1836     {
1837         /* Old version of the symbols record header */
1838         const PDB_SYMBOLS_OLD*  old = (const PDB_SYMBOLS_OLD*)image;
1839         symbols->version         = 0;
1840         symbols->module_size     = old->module_size;
1841         symbols->offset_size     = old->offset_size;
1842         symbols->hash_size       = old->hash_size;
1843         symbols->srcmodule_size  = old->srcmodule_size;
1844         symbols->pdbimport_size  = 0;
1845         symbols->hash1_file      = old->hash1_file;
1846         symbols->hash2_file      = old->hash2_file;
1847         symbols->gsym_file       = old->gsym_file;
1848
1849         *header_size = sizeof(PDB_SYMBOLS_OLD);
1850     }
1851     else
1852     {
1853         /* New version of the symbols record header */
1854         *symbols = *(const PDB_SYMBOLS*)image;
1855         *header_size = sizeof(PDB_SYMBOLS);
1856     }
1857 }
1858
1859 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
1860                                     PDB_SYMBOL_FILE_EX* sfile,
1861                                     unsigned* size, const void* image)
1862
1863 {
1864     if (symbols->version < 19970000)
1865     {
1866         const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
1867         memset(sfile, 0, sizeof(*sfile));
1868         sfile->file        = sym_file->file;
1869         sfile->range.index = sym_file->range.index;
1870         sfile->symbol_size = sym_file->symbol_size;
1871         sfile->lineno_size = sym_file->lineno_size;
1872         *size = sizeof(PDB_SYMBOL_FILE) - 1;
1873     }
1874     else
1875     {
1876         memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
1877         *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
1878     }
1879 }
1880
1881 static BOOL CALLBACK pdb_match(const char* file, void* user)
1882 {
1883     /* accept first file that exists */
1884     HANDLE h = CreateFileA(file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1885     TRACE("match with %s returns %p\n", file, h);
1886     if (INVALID_HANDLE_VALUE != h) {
1887         CloseHandle(h);
1888         return FALSE;
1889     }
1890     return TRUE;
1891 }
1892
1893 static HANDLE open_pdb_file(const struct process* pcs,
1894                             const struct pdb_lookup* lookup)
1895 {
1896     HANDLE      h;
1897     char        dbg_file_path[MAX_PATH];
1898     BOOL        ret = FALSE;
1899
1900     switch (lookup->kind)
1901     {
1902     case PDB_JG:
1903         ret = SymFindFileInPath(pcs->handle, NULL, lookup->filename,
1904                                 (PVOID)(DWORD_PTR)lookup->u.jg.timestamp,
1905                                 lookup->age, 0, SSRVOPT_DWORD,
1906                                 dbg_file_path, pdb_match, NULL);
1907         break;
1908     case PDB_DS:
1909         ret = SymFindFileInPath(pcs->handle, NULL, lookup->filename,
1910                                 (PVOID)&lookup->u.ds.guid, lookup->age, 0,
1911                                 SSRVOPT_GUIDPTR, dbg_file_path, pdb_match, NULL);
1912         break;
1913     }
1914     if (!ret)
1915     {
1916         WARN("\tCouldn't find %s\n", lookup->filename);
1917         return NULL;
1918     }
1919     h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
1920                     OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1921     TRACE("%s: %s returns %p\n", lookup->filename, dbg_file_path, h);
1922     return (h == INVALID_HANDLE_VALUE) ? NULL : h;
1923 }
1924
1925 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
1926                               const char* image, const struct pdb_lookup* pdb_lookup)
1927 {
1928     BYTE*       types_image = NULL;
1929
1930     types_image = pdb_read_file(image, pdb_lookup, 2);
1931     if (types_image)
1932     {
1933         PDB_TYPES               types;
1934         struct codeview_type_parse      ctp;
1935         DWORD                   total;
1936         const BYTE*             ptr;
1937         DWORD*                  offset;
1938
1939         pdb_convert_types_header(&types, types_image);
1940
1941         /* Check for unknown versions */
1942         switch (types.version)
1943         {
1944         case 19950410:      /* VC 4.0 */
1945         case 19951122:
1946         case 19961031:      /* VC 5.0 / 6.0 */
1947         case 19990903:
1948             break;
1949         default:
1950             ERR("-Unknown type info version %d\n", types.version);
1951         }
1952
1953         ctp.module = msc_dbg->module;
1954         /* reconstruct the types offset...
1955          * FIXME: maybe it's present in the newest PDB_TYPES structures
1956          */
1957         total = types.last_index - types.first_index + 1;
1958         offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
1959         ctp.table = ptr = types_image + types.type_offset;
1960         ctp.num = 0;
1961         while (ptr < ctp.table + types.type_size && ctp.num < total)
1962         {
1963             offset[ctp.num++] = ptr - ctp.table;
1964             ptr += ((const union codeview_type*)ptr)->generic.len + 2;
1965         }
1966         ctp.offset = offset;
1967
1968         /* Read type table */
1969         codeview_parse_type_table(&ctp);
1970         HeapFree(GetProcessHeap(), 0, offset);
1971         pdb_free(types_image);
1972     }
1973 }
1974
1975 static const char       PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
1976 static const char       PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
1977
1978 /******************************************************************
1979  *              pdb_init
1980  *
1981  * Tries to load a pdb file
1982  * if do_fill is TRUE, then it just fills pdb_lookup with the information of the
1983  *      file
1984  * if do_fill is FALSE, then it just checks that the kind of PDB (stored in
1985  *      pdb_lookup) matches what's really in the file
1986  */
1987 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image, BOOL do_fill)
1988 {
1989     BOOL        ret = TRUE;
1990
1991     /* check the file header, and if ok, load the TOC */
1992     TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
1993
1994     if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
1995     {
1996         const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
1997         struct PDB_JG_ROOT*         root;
1998
1999         pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2000         root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
2001         if (!root)
2002         {
2003             ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2004             return FALSE;
2005         }
2006         switch (root->Version)
2007         {
2008         case 19950623:      /* VC 4.0 */
2009         case 19950814:
2010         case 19960307:      /* VC 5.0 */
2011         case 19970604:      /* VC 6.0 */
2012             break;
2013         default:
2014             ERR("-Unknown root block version %d\n", root->Version);
2015         }
2016         if (do_fill)
2017         {
2018             pdb_lookup->kind = PDB_JG;
2019             pdb_lookup->u.jg.timestamp = root->TimeDateStamp;
2020             pdb_lookup->age = root->Age;
2021         }
2022         else if (pdb_lookup->kind != PDB_JG ||
2023                  pdb_lookup->u.jg.timestamp != root->TimeDateStamp ||
2024                  pdb_lookup->age != root->Age)
2025             ret = FALSE;
2026         TRACE("found JG/%c for %s: age=%x timestamp=%x\n",
2027               do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2028               root->TimeDateStamp);
2029         pdb_free(root);
2030     }
2031     else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2032     {
2033         const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2034         struct PDB_DS_ROOT*         root;
2035
2036         pdb_lookup->u.ds.toc =
2037             pdb_ds_read(pdb,
2038                         (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2039                         pdb->toc_size);
2040         root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
2041         if (!root)
2042         {
2043             ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2044             return FALSE;
2045         }
2046         switch (root->Version)
2047         {
2048         case 20000404:
2049             break;
2050         default:
2051             ERR("-Unknown root block version %d\n", root->Version);
2052         }
2053         if (do_fill)
2054         {
2055             pdb_lookup->kind = PDB_DS;
2056             pdb_lookup->u.ds.guid = root->guid;
2057             pdb_lookup->age = root->Age;
2058         }
2059         else if (pdb_lookup->kind != PDB_DS ||
2060                  memcmp(&pdb_lookup->u.ds.guid, &root->guid, sizeof(GUID)) ||
2061                  pdb_lookup->age != root->Age)
2062             ret = FALSE;
2063         TRACE("found DS/%c for %s: age=%x guid=%s\n",
2064               do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2065               debugstr_guid(&root->guid));
2066         pdb_free(root);
2067     }
2068
2069     if (0) /* some tool to dump the internal files from a PDB file */
2070     {
2071         int     i, num_files;
2072
2073         switch (pdb_lookup->kind)
2074         {
2075         case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
2076         case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
2077         }
2078
2079         for (i = 1; i < num_files; i++)
2080         {
2081             unsigned char* x = pdb_read_file(image, pdb_lookup, i);
2082             FIXME("********************** [%u]: size=%08x\n",
2083                   i, pdb_get_file_size(pdb_lookup, i));
2084             dump(x, pdb_get_file_size(pdb_lookup, i));
2085             pdb_free(x);
2086         }
2087     }
2088     return ret;
2089 }
2090
2091 static BOOL pdb_process_internal(const struct process* pcs,
2092                                  const struct msc_debug_info* msc_dbg,
2093                                  struct pdb_lookup* pdb_lookup,
2094                                  unsigned module_index);
2095
2096 static void pdb_process_symbol_imports(const struct process* pcs,
2097                                        const struct msc_debug_info* msc_dbg,
2098                                        const PDB_SYMBOLS* symbols,
2099                                        const void* symbols_image,
2100                                        const char* image,
2101                                        const struct pdb_lookup* pdb_lookup,
2102                                        unsigned module_index)
2103 {
2104     if (module_index == -1 && symbols && symbols->pdbimport_size)
2105     {
2106         const PDB_SYMBOL_IMPORT*imp;
2107         const void*             first;
2108         const void*             last;
2109         const char*             ptr;
2110         int                     i = 0;
2111
2112         imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2113                                          symbols->module_size + symbols->offset_size +
2114                                          symbols->hash_size + symbols->srcmodule_size);
2115         first = (const char*)imp;
2116         last = (const char*)imp + symbols->pdbimport_size;
2117         while (imp < (const PDB_SYMBOL_IMPORT*)last)
2118         {
2119             ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2120             if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2121             if (!strcasecmp(pdb_lookup->filename, imp->filename))
2122             {
2123                 if (module_index != -1) FIXME("Twice the entry\n");
2124                 else module_index = i;
2125             }
2126             else
2127             {
2128                 struct pdb_lookup       imp_pdb_lookup;
2129
2130                 /* FIXME: this is an import of a JG PDB file
2131                  * how's a DS PDB handled ?
2132                  */
2133                 imp_pdb_lookup.filename = imp->filename;
2134                 imp_pdb_lookup.kind = PDB_JG;
2135                 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
2136                 imp_pdb_lookup.age = imp->Age;
2137                 TRACE("got for %s: age=%u ts=%x\n",
2138                       imp->filename, imp->Age, imp->TimeDateStamp);
2139                 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
2140             }
2141             i++;
2142             imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2143         }
2144     }
2145     cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
2146     if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2147     cv_current_module->allowed = TRUE;
2148     pdb_process_types(msc_dbg, image, pdb_lookup);
2149 }
2150
2151 static BOOL pdb_process_internal(const struct process* pcs,
2152                                  const struct msc_debug_info* msc_dbg,
2153                                  struct pdb_lookup* pdb_lookup,
2154                                  unsigned module_index)
2155 {
2156     BOOL        ret = FALSE;
2157     HANDLE      hFile, hMap = NULL;
2158     char*       image = NULL;
2159     BYTE*       symbols_image = NULL;
2160
2161     TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2162
2163     /* Open and map() .PDB file */
2164     if ((hFile = open_pdb_file(pcs, pdb_lookup)) == NULL ||
2165         ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2166         ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2167     {
2168         WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2169         goto leave;
2170     }
2171     pdb_init(pdb_lookup, image, FALSE);
2172
2173     symbols_image = pdb_read_file(image, pdb_lookup, 3);
2174     if (symbols_image)
2175     {
2176         PDB_SYMBOLS symbols;
2177         BYTE*       modimage;
2178         BYTE*       file;
2179         int         header_size = 0;
2180
2181         pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2182         switch (symbols.version)
2183         {
2184         case 0:            /* VC 4.0 */
2185         case 19960307:     /* VC 5.0 */
2186         case 19970606:     /* VC 6.0 */
2187         case 19990903:
2188             break;
2189         default:
2190             ERR("-Unknown symbol info version %d %08x\n",
2191                 symbols.version, symbols.version);
2192         }
2193
2194         pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2195
2196         /* Read global symbol table */
2197         modimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2198         if (modimage)
2199         {
2200             codeview_snarf(msc_dbg, modimage, 0,
2201                            pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL);
2202
2203             pdb_free(modimage);
2204         }
2205
2206         /* Read per-module symbol / linenumber tables */
2207         file = symbols_image + header_size;
2208         while (file - symbols_image < header_size + symbols.module_size)
2209         {
2210             PDB_SYMBOL_FILE_EX          sfile;
2211             const char*                 file_name;
2212             unsigned                    size;
2213
2214             HeapValidate(GetProcessHeap(), 0, NULL);
2215             pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2216
2217             modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2218             if (modimage)
2219             {
2220                 struct codeview_linetab*    linetab = NULL;
2221
2222                 if (sfile.lineno_size)
2223                     linetab = codeview_snarf_linetab(msc_dbg->module,
2224                                                      modimage + sfile.symbol_size,
2225                                                      sfile.lineno_size,
2226                                                      pdb_lookup->kind == PDB_JG);
2227
2228                 if (sfile.symbol_size)
2229                     codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2230                                    sfile.symbol_size, linetab);
2231
2232                 pdb_free(modimage);
2233             }
2234             file_name = (const char*)file + size;
2235             file_name += strlen(file_name) + 1;
2236             file = (BYTE*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
2237         }
2238     }
2239     else
2240         pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2241                                    module_index);
2242     ret = TRUE;
2243
2244  leave:
2245     /* Cleanup */
2246     pdb_free(symbols_image);
2247     pdb_free_lookup(pdb_lookup);
2248
2249     if (image) UnmapViewOfFile(image);
2250     if (hMap) CloseHandle(hMap);
2251     if (hFile) CloseHandle(hFile);
2252
2253     return ret;
2254 }
2255
2256 static BOOL pdb_process_file(const struct process* pcs,
2257                              const struct msc_debug_info* msc_dbg,
2258                              struct pdb_lookup* pdb_lookup)
2259 {
2260     BOOL        ret;
2261
2262     memset(cv_zmodules, 0, sizeof(cv_zmodules));
2263     codeview_init_basic_types(msc_dbg->module);
2264     ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2265     codeview_clear_type_table();
2266     if (ret)
2267     {
2268         msc_dbg->module->module.SymType = SymCv;
2269         if (pdb_lookup->kind == PDB_JG)
2270             msc_dbg->module->module.PdbSig = pdb_lookup->u.jg.timestamp;
2271         else
2272             msc_dbg->module->module.PdbSig70 = pdb_lookup->u.ds.guid;
2273         msc_dbg->module->module.PdbAge = pdb_lookup->age;
2274         MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2275                             msc_dbg->module->module.LoadedPdbName,
2276                             sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2277         /* FIXME: we could have a finer grain here */
2278         msc_dbg->module->module.LineNumbers = TRUE;
2279         msc_dbg->module->module.GlobalSymbols = TRUE;
2280         msc_dbg->module->module.TypeInfo = TRUE;
2281         msc_dbg->module->module.SourceIndexed = TRUE;
2282         msc_dbg->module->module.Publics = TRUE;
2283     }
2284     return ret;
2285 }
2286
2287 BOOL pdb_fetch_file_info(struct pdb_lookup* pdb_lookup)
2288 {
2289     HANDLE              hFile, hMap = NULL;
2290     char*               image = NULL;
2291     BOOL                ret = TRUE;
2292
2293     if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2294                              OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2295         ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2296         ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2297     {
2298         WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2299         ret = FALSE;
2300     }
2301     else
2302     {
2303         pdb_init(pdb_lookup, image, TRUE);
2304         pdb_free_lookup(pdb_lookup);
2305     }
2306
2307     if (image) UnmapViewOfFile(image);
2308     if (hMap) CloseHandle(hMap);
2309     if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2310
2311     return ret;
2312 }
2313
2314 /*========================================================================
2315  * Process CodeView debug information.
2316  */
2317
2318 #define MAKESIG(a,b,c,d)        ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2319 #define CODEVIEW_NB09_SIG       MAKESIG('N','B','0','9')
2320 #define CODEVIEW_NB10_SIG       MAKESIG('N','B','1','0')
2321 #define CODEVIEW_NB11_SIG       MAKESIG('N','B','1','1')
2322 #define CODEVIEW_RSDS_SIG       MAKESIG('R','S','D','S')
2323
2324 static BOOL codeview_process_info(const struct process* pcs,
2325                                   const struct msc_debug_info* msc_dbg)
2326 {
2327     const DWORD*                signature = (const DWORD*)msc_dbg->root;
2328     BOOL                        ret = FALSE;
2329     struct pdb_lookup           pdb_lookup;
2330
2331     TRACE("Processing signature %.4s\n", (const char*)signature);
2332
2333     switch (*signature)
2334     {
2335     case CODEVIEW_NB09_SIG:
2336     case CODEVIEW_NB11_SIG:
2337     {
2338         const OMFSignature*     cv = (const OMFSignature*)msc_dbg->root;
2339         const OMFDirHeader*     hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
2340         const OMFDirEntry*      ent;
2341         const OMFDirEntry*      prev;
2342         const OMFDirEntry*      next;
2343         unsigned int                    i;
2344
2345         codeview_init_basic_types(msc_dbg->module);
2346
2347         for (i = 0; i < hdr->cDir; i++)
2348         {
2349             ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
2350             if (ent->SubSection == sstGlobalTypes)
2351             {
2352                 const OMFGlobalTypes*           types;
2353                 struct codeview_type_parse      ctp;
2354
2355                 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
2356                 ctp.module = msc_dbg->module;
2357                 ctp.offset = (const DWORD*)(types + 1);
2358                 ctp.num    = types->cTypes;
2359                 ctp.table  = (const BYTE*)(ctp.offset + types->cTypes);
2360
2361                 cv_current_module = &cv_zmodules[0];
2362                 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2363                 cv_current_module->allowed = TRUE;
2364
2365                 codeview_parse_type_table(&ctp);
2366                 break;
2367             }
2368         }
2369
2370         ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
2371         for (i = 0; i < hdr->cDir; i++, ent = next)
2372         {
2373             next = (i == hdr->cDir-1) ? NULL :
2374                    (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
2375             prev = (i == 0) ? NULL :
2376                    (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
2377
2378             if (ent->SubSection == sstAlignSym)
2379             {
2380                 /*
2381                  * Check the next and previous entry.  If either is a
2382                  * sstSrcModule, it contains the line number info for
2383                  * this file.
2384                  *
2385                  * FIXME: This is not a general solution!
2386                  */
2387                 struct codeview_linetab*        linetab = NULL;
2388
2389                 if (next && next->iMod == ent->iMod &&
2390                     next->SubSection == sstSrcModule)
2391                     linetab = codeview_snarf_linetab(msc_dbg->module,
2392                                                      msc_dbg->root + next->lfo, next->cb,
2393                                                      TRUE);
2394
2395                 if (prev && prev->iMod == ent->iMod &&
2396                     prev->SubSection == sstSrcModule)
2397                     linetab = codeview_snarf_linetab(msc_dbg->module,
2398                                                      msc_dbg->root + prev->lfo, prev->cb,
2399                                                      TRUE);
2400
2401                 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2402                                ent->cb, linetab);
2403             }
2404         }
2405
2406         msc_dbg->module->module.SymType = SymCv;
2407         /* FIXME: we could have a finer grain here */
2408         msc_dbg->module->module.LineNumbers = TRUE;
2409         msc_dbg->module->module.GlobalSymbols = TRUE;
2410         msc_dbg->module->module.TypeInfo = TRUE;
2411         msc_dbg->module->module.SourceIndexed = TRUE;
2412         msc_dbg->module->module.Publics = TRUE;
2413         codeview_clear_type_table();
2414         ret = TRUE;
2415         break;
2416     }
2417
2418     case CODEVIEW_NB10_SIG:
2419     {
2420         const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
2421         pdb_lookup.filename = pdb->name;
2422         pdb_lookup.kind = PDB_JG;
2423         pdb_lookup.u.jg.timestamp = pdb->timestamp;
2424         pdb_lookup.u.jg.toc = NULL;
2425         pdb_lookup.age = pdb->unknown;
2426         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2427         break;
2428     }
2429     case CODEVIEW_RSDS_SIG:
2430     {
2431         const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
2432
2433         TRACE("Got RSDS type of PDB file: guid=%s unk=%08x name=%s\n",
2434               wine_dbgstr_guid(&rsds->guid), rsds->unknown, rsds->name);
2435         pdb_lookup.filename = rsds->name;
2436         pdb_lookup.kind = PDB_DS;
2437         pdb_lookup.u.ds.guid = rsds->guid;
2438         pdb_lookup.u.ds.toc = NULL;
2439         pdb_lookup.age = rsds->unknown;
2440         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2441         break;
2442     }
2443     default:
2444         ERR("Unknown CODEVIEW signature %08x in module %s\n",
2445             *signature, debugstr_w(msc_dbg->module->module.ModuleName));
2446         break;
2447     }
2448     if (ret)
2449     {
2450         msc_dbg->module->module.CVSig = *signature;
2451         memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
2452                sizeof(msc_dbg->module->module.CVData));
2453     }
2454     return ret;
2455 }
2456
2457 /*========================================================================
2458  * Process debug directory.
2459  */
2460 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2461                              const BYTE* mapping,
2462                              const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2463                              const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2464 {
2465     BOOL                        ret;
2466     int                         i;
2467     struct msc_debug_info       msc_dbg;
2468
2469     msc_dbg.module = module;
2470     msc_dbg.nsect  = nsect;
2471     msc_dbg.sectp  = sectp;
2472     msc_dbg.nomap  = 0;
2473     msc_dbg.omapp  = NULL;
2474
2475     __TRY
2476     {
2477         ret = FALSE;
2478
2479         /* First, watch out for OMAP data */
2480         for (i = 0; i < nDbg; i++)
2481         {
2482             if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2483             {
2484                 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2485                 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2486                 break;
2487             }
2488         }
2489
2490         /* Now, try to parse CodeView debug info */
2491         for (i = 0; i < nDbg; i++)
2492         {
2493             if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2494             {
2495                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2496                 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2497             }
2498         }
2499
2500         /* If not found, try to parse COFF debug info */
2501         for (i = 0; i < nDbg; i++)
2502         {
2503             if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2504             {
2505                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2506                 if ((ret = coff_process_info(&msc_dbg))) goto done;
2507             }
2508         }
2509     done:
2510          /* FIXME: this should be supported... this is the debug information for
2511           * functions compiled without a frame pointer (FPO = frame pointer omission)
2512           * the associated data helps finding out the relevant information
2513           */
2514         for (i = 0; i < nDbg; i++)
2515             if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2516                 FIXME("This guy has FPO information\n");
2517 #if 0
2518
2519 #define FRAME_FPO   0
2520 #define FRAME_TRAP  1
2521 #define FRAME_TSS   2
2522
2523 typedef struct _FPO_DATA
2524 {
2525         DWORD       ulOffStart;            /* offset 1st byte of function code */
2526         DWORD       cbProcSize;            /* # bytes in function */
2527         DWORD       cdwLocals;             /* # bytes in locals/4 */
2528         WORD        cdwParams;             /* # bytes in params/4 */
2529
2530         WORD        cbProlog : 8;          /* # bytes in prolog */
2531         WORD        cbRegs   : 3;          /* # regs saved */
2532         WORD        fHasSEH  : 1;          /* TRUE if SEH in func */
2533         WORD        fUseBP   : 1;          /* TRUE if EBP has been allocated */
2534         WORD        reserved : 1;          /* reserved for future use */
2535         WORD        cbFrame  : 2;          /* frame type */
2536 } FPO_DATA;
2537 #endif
2538
2539     }
2540     __EXCEPT_PAGE_FAULT
2541     {
2542         ERR("Got a page fault while loading symbols\n");
2543         ret = FALSE;
2544     }
2545     __ENDTRY
2546     return ret;
2547 }