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 #define NONAMELESSUNION
  36
  37 #include "config.h"
  38 #include "wine/port.h"
  39
  40 #include <assert.h>
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43
  44 #include <string.h>
  45 #ifdef HAVE_UNISTD_H
  46 # include <unistd.h>
  47 #endif
  48 #ifndef PATH_MAX
  49 #define PATH_MAX MAX_PATH
  50 #endif
  51 #include <stdarg.h>
  52 #include "windef.h"
  53 #include "winbase.h"
  54 #include "winternl.h"
  55
  56 #include "wine/exception.h"
  57 #include "wine/debug.h"
  58 #include "dbghelp_private.h"
  59 #include "wine/mscvpdb.h"
  60
  61 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
  62
  63 #define MAX_PATHNAME_LEN 1024
  64
  65 /*========================================================================
  66  * Debug file access helper routines
  67  */
  68
  69 static void dump(const void* ptr, unsigned len)
  70 {
  71     unsigned int i, j;
  72     char        msg[128];
  73     const char* hexof = "0123456789abcdef";
  74     const BYTE* x = (const BYTE*)ptr;
  75
  76     for (i = 0; i < len; i += 16)
  77     {
  78         sprintf(msg, "%08x: ", i);
  79         memset(msg + 10, ' ', 3 * 16 + 1 + 16);
  80         for (j = 0; j < min(16, len - i); j++)
  81         {
  82             msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
  83             msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
  84             msg[10 + 3 * j + 2] = ' ';
  85             msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
  86                 x[i + j] : '.';
  87         }
  88         msg[10 + 3 * 16] = ' ';
  89         msg[10 + 3 * 16 + 1 + 16] = '\0';
  90         FIXME("%s\n", msg);
  91     }
  92 }
  93
  94 /*========================================================================
  95  * Process CodeView type information.
  96  */
  97
  98 #define MAX_BUILTIN_TYPES       0x0480
  99 #define FIRST_DEFINABLE_TYPE    0x1000
 100
 101 static struct symt*     cv_basic_types[MAX_BUILTIN_TYPES];
 102
 103 struct cv_defined_module
 104 {
 105     BOOL                allowed;
 106     unsigned int        num_defined_types;
 107     struct symt**       defined_types;
 108 };
 109 /* FIXME: don't make it static */
 110 #define CV_MAX_MODULES          32
 111 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
 112 static struct cv_defined_module*cv_current_module;
 113
 114 static void codeview_init_basic_types(struct module* module)
 115 {
 116     /*
 117      * These are the common builtin types that are used by VC++.
 118      */
 119     cv_basic_types[T_NOTYPE] = NULL;
 120     cv_basic_types[T_ABS]    = NULL;
 121     cv_basic_types[T_VOID]   = &symt_new_basic(module, btVoid,  "void", 0)->symt;
 122     cv_basic_types[T_CHAR]   = &symt_new_basic(module, btChar,  "char", 1)->symt;
 123     cv_basic_types[T_SHORT]  = &symt_new_basic(module, btInt,   "short int", 2)->symt;
 124     cv_basic_types[T_LONG]   = &symt_new_basic(module, btInt,   "long int", 4)->symt;
 125     cv_basic_types[T_QUAD]   = &symt_new_basic(module, btInt,   "long long int", 8)->symt;
 126     cv_basic_types[T_UCHAR]  = &symt_new_basic(module, btUInt,  "unsigned char", 1)->symt;
 127     cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt,  "unsigned short", 2)->symt;
 128     cv_basic_types[T_ULONG]  = &symt_new_basic(module, btUInt,  "unsigned long", 4)->symt;
 129     cv_basic_types[T_UQUAD]  = &symt_new_basic(module, btUInt,  "unsigned long long", 8)->symt;
 130     cv_basic_types[T_BOOL08] = &symt_new_basic(module, btBool,  "BOOL08", 1)->symt;
 131     cv_basic_types[T_BOOL16] = &symt_new_basic(module, btBool,  "BOOL16", 2)->symt;
 132     cv_basic_types[T_BOOL32] = &symt_new_basic(module, btBool,  "BOOL32", 4)->symt;
 133     cv_basic_types[T_BOOL64] = &symt_new_basic(module, btBool,  "BOOL64", 8)->symt;
 134     cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
 135     cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
 136     cv_basic_types[T_RCHAR]  = &symt_new_basic(module, btInt,   "signed char", 1)->symt;
 137     cv_basic_types[T_WCHAR]  = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
 138     cv_basic_types[T_INT2]   = &symt_new_basic(module, btInt,   "INT2", 2)->symt;
 139     cv_basic_types[T_UINT2]  = &symt_new_basic(module, btUInt,  "UINT2", 2)->symt;
 140     cv_basic_types[T_INT4]   = &symt_new_basic(module, btInt,   "INT4", 4)->symt;
 141     cv_basic_types[T_UINT4]  = &symt_new_basic(module, btUInt,  "UINT4", 4)->symt;
 142     cv_basic_types[T_INT8]   = &symt_new_basic(module, btInt,   "INT8", 8)->symt;
 143     cv_basic_types[T_UINT8]  = &symt_new_basic(module, btUInt,  "UINT8", 8)->symt;
 144     cv_basic_types[T_HRESULT]= &symt_new_basic(module, btUInt,  "HRESULT", 4)->symt;
 145
 146     cv_basic_types[T_32PVOID]   = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
 147     cv_basic_types[T_32PCHAR]   = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
 148     cv_basic_types[T_32PSHORT]  = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
 149     cv_basic_types[T_32PLONG]   = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
 150     cv_basic_types[T_32PQUAD]   = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
 151     cv_basic_types[T_32PUCHAR]  = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
 152     cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
 153     cv_basic_types[T_32PULONG]  = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
 154     cv_basic_types[T_32PUQUAD]  = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
 155     cv_basic_types[T_32PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08])->symt;
 156     cv_basic_types[T_32PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16])->symt;
 157     cv_basic_types[T_32PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32])->symt;
 158     cv_basic_types[T_32PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64])->symt;
 159     cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
 160     cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
 161     cv_basic_types[T_32PRCHAR]  = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
 162     cv_basic_types[T_32PWCHAR]  = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
 163     cv_basic_types[T_32PINT2]   = &symt_new_pointer(module, cv_basic_types[T_INT2])->symt;
 164     cv_basic_types[T_32PUINT2]  = &symt_new_pointer(module, cv_basic_types[T_UINT2])->symt;
 165     cv_basic_types[T_32PINT4]   = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
 166     cv_basic_types[T_32PUINT4]  = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
 167     cv_basic_types[T_32PINT8]   = &symt_new_pointer(module, cv_basic_types[T_INT8])->symt;
 168     cv_basic_types[T_32PUINT8]  = &symt_new_pointer(module, cv_basic_types[T_UINT8])->symt;
 169     cv_basic_types[T_32PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT])->symt;
 170 }
 171
 172 static int numeric_leaf(int* value, const unsigned short int* leaf)
 173 {
 174     unsigned short int type = *leaf++;
 175     int length = 2;
 176
 177     if (type < LF_NUMERIC)
 178     {
 179         *value = type;
 180     }
 181     else
 182     {
 183         switch (type)
 184         {
 185         case LF_CHAR:
 186             length += 1;
 187             *value = *(const char*)leaf;
 188             break;
 189
 190         case LF_SHORT:
 191             length += 2;
 192             *value = *(const short*)leaf;
 193             break;
 194
 195         case LF_USHORT:
 196             length += 2;
 197             *value = *leaf;
 198             break;
 199
 200         case LF_LONG:
 201             length += 4;
 202             *value = *(const int*)leaf;
 203             break;
 204
 205         case LF_ULONG:
 206             length += 4;
 207             *value = *(const unsigned int*)leaf;
 208             break;
 209
 210         case LF_QUADWORD:
 211         case LF_UQUADWORD:
 212             FIXME("Unsupported numeric leaf type %04x\n", type);
 213             length += 8;
 214             *value = 0;    /* FIXME */
 215             break;
 216
 217         case LF_REAL32:
 218             FIXME("Unsupported numeric leaf type %04x\n", type);
 219             length += 4;
 220             *value = 0;    /* FIXME */
 221             break;
 222
 223         case LF_REAL48:
 224             FIXME("Unsupported numeric leaf type %04x\n", type);
 225             length += 6;
 226             *value = 0;    /* FIXME */
 227             break;
 228
 229         case LF_REAL64:
 230             FIXME("Unsupported numeric leaf type %04x\n", type);
 231             length += 8;
 232             *value = 0;    /* FIXME */
 233             break;
 234
 235         case LF_REAL80:
 236             FIXME("Unsupported numeric leaf type %04x\n", type);
 237             length += 10;
 238             *value = 0;    /* FIXME */
 239             break;
 240
 241         case LF_REAL128:
 242             FIXME("Unsupported numeric leaf type %04x\n", type);
 243             length += 16;
 244             *value = 0;    /* FIXME */
 245             break;
 246
 247         case LF_COMPLEX32:
 248             FIXME("Unsupported numeric leaf type %04x\n", type);
 249             length += 4;
 250             *value = 0;    /* FIXME */
 251             break;
 252
 253         case LF_COMPLEX64:
 254             FIXME("Unsupported numeric leaf type %04x\n", type);
 255             length += 8;
 256             *value = 0;    /* FIXME */
 257             break;
 258
 259         case LF_COMPLEX80:
 260             FIXME("Unsupported numeric leaf type %04x\n", type);
 261             length += 10;
 262             *value = 0;    /* FIXME */
 263             break;
 264
 265         case LF_COMPLEX128:
 266             FIXME("Unsupported numeric leaf type %04x\n", type);
 267             length += 16;
 268             *value = 0;    /* FIXME */
 269             break;
 270
 271         case LF_VARSTRING:
 272             FIXME("Unsupported numeric leaf type %04x\n", type);
 273             length += 2 + *leaf;
 274             *value = 0;    /* FIXME */
 275             break;
 276
 277         default:
 278             FIXME("Unknown numeric leaf type %04x\n", type);
 279             *value = 0;
 280             break;
 281         }
 282     }
 283
 284     return length;
 285 }
 286
 287 /* convert a pascal string (as stored in debug information) into
 288  * a C string (null terminated).
 289  */
 290 static const char* terminate_string(const struct p_string* p_name)
 291 {
 292     static char symname[256];
 293
 294     memcpy(symname, p_name->name, p_name->namelen);
 295     symname[p_name->namelen] = '\0';
 296
 297     return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
 298 }
 299
 300 static struct symt*  codeview_get_type(unsigned int typeno, BOOL quiet)
 301 {
 302     struct symt*        symt = NULL;
 303
 304     /*
 305      * Convert Codeview type numbers into something we can grok internally.
 306      * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
 307      * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
 308      */
 309     if (typeno < FIRST_DEFINABLE_TYPE)
 310     {
 311         if (typeno < MAX_BUILTIN_TYPES)
 312             symt = cv_basic_types[typeno];
 313     }
 314     else
 315     {
 316         unsigned        mod_index = typeno >> 24;
 317         unsigned        mod_typeno = typeno & 0x00FFFFFF;
 318         struct cv_defined_module*       mod;
 319
 320         mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
 321
 322         if (mod_index >= CV_MAX_MODULES || !mod->allowed)
 323             FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
 324         else
 325         {
 326             if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
 327                 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
 328         }
 329     }
 330     if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
 331     return symt;
 332 }
 333
 334 struct codeview_type_parse
 335 {
 336     struct module*      module;
 337     const BYTE*         table;
 338     const DWORD*        offset;
 339     DWORD               num;
 340 };
 341
 342 static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx)
 343 {
 344     if (idx < FIRST_DEFINABLE_TYPE) return NULL;
 345     idx -= FIRST_DEFINABLE_TYPE;
 346     return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
 347 }
 348
 349 static int codeview_add_type(unsigned int typeno, struct symt* dt)
 350 {
 351     if (typeno < FIRST_DEFINABLE_TYPE)
 352         FIXME("What the heck\n");
 353     if (!cv_current_module)
 354     {
 355         FIXME("Adding %x to non allowed module\n", typeno);
 356         return FALSE;
 357     }
 358     if ((typeno >> 24) != 0)
 359         FIXME("No module index while inserting type-id assumption is wrong %x\n",
 360               typeno);
 361     while (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
 362     {
 363         cv_current_module->num_defined_types += 0x100;
 364         if (cv_current_module->defined_types)
 365             cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(),
 366                             HEAP_ZERO_MEMORY, cv_current_module->defined_types,
 367                             cv_current_module->num_defined_types * sizeof(struct symt*));
 368         else
 369             cv_current_module->defined_types = HeapAlloc(GetProcessHeap(),
 370                             HEAP_ZERO_MEMORY,
 371                             cv_current_module->num_defined_types * sizeof(struct symt*));
 372
 373         if (cv_current_module->defined_types == NULL) return FALSE;
 374     }
 375     if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
 376     {
 377         if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
 378             FIXME("Overwriting at %x\n", typeno);
 379     }
 380     cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
 381     return TRUE;
 382 }
 383
 384 static void codeview_clear_type_table(void)
 385 {
 386     int i;
 387
 388     for (i = 0; i < CV_MAX_MODULES; i++)
 389     {
 390         if (cv_zmodules[i].allowed)
 391             HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
 392         cv_zmodules[i].allowed = FALSE;
 393         cv_zmodules[i].defined_types = NULL;
 394         cv_zmodules[i].num_defined_types = 0;
 395     }
 396     cv_current_module = NULL;
 397 }
 398
 399 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
 400                                             unsigned curr_type,
 401                                             const union codeview_type* type, BOOL details);
 402
 403 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
 404 {
 405     if (symt->tag != tag)
 406     {
 407         FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
 408         return NULL;
 409     }
 410     return symt;
 411 }
 412
 413 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
 414                                         unsigned typeno, BOOL details)
 415 {
 416     struct symt*                symt;
 417     const union codeview_type*  p;
 418
 419     if (!typeno) return NULL;
 420     if ((symt = codeview_get_type(typeno, TRUE))) return symt;
 421
 422     /* forward declaration */
 423     if (!(p = codeview_jump_to_type(ctp, typeno)))
 424     {
 425         FIXME("Cannot locate type %x\n", typeno);
 426         return NULL;
 427     }
 428     symt = codeview_parse_one_type(ctp, typeno, p, details);
 429     if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
 430     return symt;
 431 }
 432
 433 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
 434                                               struct symt* existing,
 435                                               unsigned int pointee_type)
 436 {
 437     struct symt* pointee;
 438
 439     if (existing)
 440     {
 441         existing = codeview_cast_symt(existing, SymTagPointerType);
 442         return existing;
 443     }
 444     pointee = codeview_fetch_type(ctp, pointee_type, FALSE);
 445     return &symt_new_pointer(ctp->module, pointee)->symt;
 446 }
 447
 448 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
 449                                             const char* name,
 450                                             unsigned int elemtype,
 451                                             unsigned int indextype,
 452                                             unsigned int arr_len)
 453 {
 454     struct symt*        elem = codeview_fetch_type(ctp, elemtype, FALSE);
 455     struct symt*        index = codeview_fetch_type(ctp, indextype, FALSE);
 456     DWORD               arr_max = 0;
 457
 458     if (elem)
 459     {
 460         DWORD64 elem_size;
 461         symt_get_info(elem, TI_GET_LENGTH, &elem_size);
 462         if (elem_size) arr_max = arr_len / (DWORD)elem_size;
 463     }
 464     return &symt_new_array(ctp->module, 0, arr_max, elem, index)->symt;
 465 }
 466
 467 static int codeview_add_type_enum_field_list(struct module* module,
 468                                              struct symt_enum* symt,
 469                                              const union codeview_reftype* ref_type)
 470 {
 471     const unsigned char*                ptr = ref_type->fieldlist.list;
 472     const unsigned char*                last = (const BYTE*)ref_type + ref_type->generic.len + 2;
 473     const union codeview_fieldtype*     type;
 474
 475     while (ptr < last)
 476     {
 477         if (*ptr >= 0xf0)       /* LF_PAD... */
 478         {
 479             ptr += *ptr & 0x0f;
 480             continue;
 481         }
 482
 483         type = (const union codeview_fieldtype*)ptr;
 484
 485         switch (type->generic.id)
 486         {
 487         case LF_ENUMERATE_V1:
 488         {
 489             int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
 490             const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
 491
 492             symt_add_enum_element(module, symt, terminate_string(p_name), value);
 493             ptr += 2 + 2 + vlen + (1 + p_name->namelen);
 494             break;
 495         }
 496         case LF_ENUMERATE_V3:
 497         {
 498             int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
 499             const char* name = (const char*)&type->enumerate_v3.value + vlen;
 500
 501             symt_add_enum_element(module, symt, name, value);
 502             ptr += 2 + 2 + vlen + (1 + strlen(name));
 503             break;
 504         }
 505
 506         default:
 507             FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
 508             return FALSE;
 509         }
 510     }
 511     return TRUE;
 512 }
 513
 514 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
 515                                      struct symt_udt* symt, const char* name,
 516                                      int value, unsigned type)
 517 {
 518     struct symt*                subtype;
 519     const union codeview_reftype*cv_type;
 520
 521     if ((cv_type = codeview_jump_to_type(ctp, type)))
 522     {
 523         switch (cv_type->generic.id)
 524         {
 525         case LF_BITFIELD_V1:
 526             symt_add_udt_element(ctp->module, symt, name,
 527                                  codeview_fetch_type(ctp, cv_type->bitfield_v1.type, FALSE),
 528                                  (value << 3) + cv_type->bitfield_v1.bitoff,
 529                                  cv_type->bitfield_v1.nbits);
 530             return;
 531         case LF_BITFIELD_V2:
 532             symt_add_udt_element(ctp->module, symt, name,
 533                                  codeview_fetch_type(ctp, cv_type->bitfield_v2.type, FALSE),
 534                                  (value << 3) + cv_type->bitfield_v2.bitoff,
 535                                  cv_type->bitfield_v2.nbits);
 536             return;
 537         }
 538     }
 539     subtype = codeview_fetch_type(ctp, type, FALSE);
 540
 541     if (subtype)
 542     {
 543         DWORD64 elem_size = 0;
 544         symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
 545         symt_add_udt_element(ctp->module, symt, name, subtype,
 546                              value << 3, (DWORD)elem_size << 3);
 547     }
 548 }
 549
 550 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
 551                                                struct symt_udt* symt,
 552                                                unsigned fieldlistno)
 553 {
 554     const unsigned char*        ptr;
 555     const unsigned char*        last;
 556     int                         value, leaf_len;
 557     const struct p_string*      p_name;
 558     const char*                 c_name;
 559     const union codeview_reftype*type_ref;
 560     const union codeview_fieldtype* type;
 561
 562     if (!fieldlistno) return TRUE;
 563     type_ref = codeview_jump_to_type(ctp, fieldlistno);
 564     ptr = type_ref->fieldlist.list;
 565     last = (const BYTE*)type_ref + type_ref->generic.len + 2;
 566
 567     while (ptr < last)
 568     {
 569         if (*ptr >= 0xf0)       /* LF_PAD... */
 570         {
 571             ptr += *ptr & 0x0f;
 572             continue;
 573         }
 574
 575         type = (const union codeview_fieldtype*)ptr;
 576
 577         switch (type->generic.id)
 578         {
 579         case LF_BCLASS_V1:
 580             leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
 581
 582             /* FIXME: ignored for now */
 583
 584             ptr += 2 + 2 + 2 + leaf_len;
 585             break;
 586
 587         case LF_BCLASS_V2:
 588             leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
 589
 590             /* FIXME: ignored for now */
 591
 592             ptr += 2 + 2 + 4 + leaf_len;
 593             break;
 594
 595         case LF_VBCLASS_V1:
 596         case LF_IVBCLASS_V1:
 597             {
 598                 const unsigned short int* p_vboff;
 599                 int vpoff, vplen;
 600                 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
 601                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
 602                 vplen = numeric_leaf(&vpoff, p_vboff);
 603
 604                 /* FIXME: ignored for now */
 605
 606                 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
 607             }
 608             break;
 609
 610         case LF_VBCLASS_V2:
 611         case LF_IVBCLASS_V2:
 612             {
 613                 const unsigned short int* p_vboff;
 614                 int vpoff, vplen;
 615                 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
 616                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
 617                 vplen = numeric_leaf(&vpoff, p_vboff);
 618
 619                 /* FIXME: ignored for now */
 620
 621                 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
 622             }
 623             break;
 624
 625         case LF_MEMBER_V1:
 626             leaf_len = numeric_leaf(&value, &type->member_v1.offset);
 627             p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
 628
 629             codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
 630                                      type->member_v1.type);
 631
 632             ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
 633             break;
 634
 635         case LF_MEMBER_V2:
 636             leaf_len = numeric_leaf(&value, &type->member_v2.offset);
 637             p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
 638
 639             codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
 640                                      type->member_v2.type);
 641
 642             ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
 643             break;
 644
 645         case LF_MEMBER_V3:
 646             leaf_len = numeric_leaf(&value, &type->member_v3.offset);
 647             c_name = (const char*)&type->member_v3.offset + leaf_len;
 648
 649             codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
 650
 651             ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
 652             break;
 653
 654         case LF_STMEMBER_V1:
 655             /* FIXME: ignored for now */
 656             ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
 657             break;
 658
 659         case LF_STMEMBER_V2:
 660             /* FIXME: ignored for now */
 661             ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
 662             break;
 663
 664         case LF_STMEMBER_V3:
 665             /* FIXME: ignored for now */
 666             ptr += 2 + 4 + 2 + (strlen(type->stmember_v3.name) + 1);
 667             break;
 668
 669         case LF_METHOD_V1:
 670             /* FIXME: ignored for now */
 671             ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
 672             break;
 673
 674         case LF_METHOD_V2:
 675             /* FIXME: ignored for now */
 676             ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
 677             break;
 678
 679         case LF_METHOD_V3:
 680             /* FIXME: ignored for now */
 681             ptr += 2 + 2 + 4 + (strlen(type->method_v3.name) + 1);
 682             break;
 683
 684         case LF_NESTTYPE_V1:
 685             /* FIXME: ignored for now */
 686             ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
 687             break;
 688
 689         case LF_NESTTYPE_V2:
 690             /* FIXME: ignored for now */
 691             ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
 692             break;
 693
 694         case LF_NESTTYPE_V3:
 695             /* FIXME: ignored for now */
 696             ptr += 2 + 2 + 4 + (strlen(type->nesttype_v3.name) + 1);
 697             break;
 698
 699         case LF_VFUNCTAB_V1:
 700             /* FIXME: ignored for now */
 701             ptr += 2 + 2;
 702             break;
 703
 704         case LF_VFUNCTAB_V2:
 705             /* FIXME: ignored for now */
 706             ptr += 2 + 2 + 4;
 707             break;
 708
 709         case LF_ONEMETHOD_V1:
 710             /* FIXME: ignored for now */
 711             switch ((type->onemethod_v1.attribute >> 2) & 7)
 712             {
 713             case 4: case 6: /* (pure) introducing virtual method */
 714                 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
 715                 break;
 716
 717             default:
 718                 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
 719                 break;
 720             }
 721             break;
 722
 723         case LF_ONEMETHOD_V2:
 724             /* FIXME: ignored for now */
 725             switch ((type->onemethod_v2.attribute >> 2) & 7)
 726             {
 727             case 4: case 6: /* (pure) introducing virtual method */
 728                 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
 729                 break;
 730
 731             default:
 732                 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
 733                 break;
 734             }
 735             break;
 736
 737         case LF_ONEMETHOD_V3:
 738             /* FIXME: ignored for now */
 739             switch ((type->onemethod_v3.attribute >> 2) & 7)
 740             {
 741             case 4: case 6: /* (pure) introducing virtual method */
 742                 ptr += 2 + 2 + 4 + 4 + (strlen(type->onemethod_virt_v3.name) + 1);
 743                 break;
 744
 745             default:
 746                 ptr += 2 + 2 + 4 + (strlen(type->onemethod_v3.name) + 1);
 747                 break;
 748             }
 749             break;
 750
 751         default:
 752             FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
 753             return FALSE;
 754         }
 755     }
 756
 757     return TRUE;
 758 }
 759
 760 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
 761                                            struct symt* existing,
 762                                            const char* name,
 763                                            unsigned fieldlistno,
 764                                            unsigned basetype)
 765 {
 766     struct symt_enum*   symt;
 767
 768     if (existing)
 769     {
 770         if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
 771         /* should also check that all fields are the same */
 772     }
 773     else
 774     {
 775         symt = symt_new_enum(ctp->module, name,
 776                              codeview_fetch_type(ctp, basetype, FALSE));
 777         if (fieldlistno)
 778         {
 779             const union codeview_reftype* fieldlist;
 780             fieldlist = codeview_jump_to_type(ctp, fieldlistno);
 781             codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
 782         }
 783     }
 784     return &symt->symt;
 785 }
 786
 787 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
 788                                              struct symt* existing,
 789                                              const char* name, int structlen,
 790                                              enum UdtKind kind)
 791 {
 792     struct symt_udt*    symt;
 793
 794     if (existing)
 795     {
 796         if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
 797         /* should also check that all fields are the same */
 798     }
 799     else symt = symt_new_udt(ctp->module, name, structlen, kind);
 800
 801     return &symt->symt;
 802 }
 803
 804 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
 805                                                 struct symt* existing,
 806                                                 enum CV_call_e call_conv)
 807 {
 808     struct symt_function_signature*     sym;
 809
 810     if (existing)
 811     {
 812         sym = codeview_cast_symt(existing, SymTagFunctionType);
 813         if (!sym) return NULL;
 814     }
 815     else
 816     {
 817         sym = symt_new_function_signature(ctp->module, NULL, call_conv);
 818     }
 819     return &sym->symt;
 820 }
 821
 822 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
 823                                              struct symt_function_signature* sym,
 824                                              unsigned ret_type,
 825                                              unsigned args_list)
 826 {
 827     const union codeview_reftype*       reftype;
 828
 829     sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE);
 830     if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
 831     {
 832         unsigned int i;
 833         switch (reftype->generic.id)
 834         {
 835         case LF_ARGLIST_V1:
 836             for (i = 0; i < reftype->arglist_v1.num; i++)
 837                 symt_add_function_signature_parameter(ctp->module, sym,
 838                                                       codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE));
 839             break;
 840         case LF_ARGLIST_V2:
 841             for (i = 0; i < reftype->arglist_v2.num; i++)
 842                 symt_add_function_signature_parameter(ctp->module, sym,
 843                                                       codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE));
 844             break;
 845         default:
 846             FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
 847         }
 848     }
 849 }
 850
 851 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
 852                                             unsigned curr_type,
 853                                             const union codeview_type* type, BOOL details)
 854 {
 855     struct symt*                symt;
 856     int                         value, leaf_len;
 857     const struct p_string*      p_name;
 858     const char*                 c_name;
 859     struct symt*                existing;
 860
 861     existing = codeview_get_type(curr_type, TRUE);
 862
 863     switch (type->generic.id)
 864     {
 865     case LF_MODIFIER_V1:
 866         /* FIXME: we don't handle modifiers,
 867          * but read previous type on the curr_type
 868          */
 869         WARN("Modifier on %x: %s%s%s%s\n",
 870              type->modifier_v1.type,
 871              type->modifier_v1.attribute & 0x01 ? "const " : "",
 872              type->modifier_v1.attribute & 0x02 ? "volatile " : "",
 873              type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
 874              type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
 875         symt = codeview_fetch_type(ctp, type->modifier_v1.type, details);
 876         break;
 877     case LF_MODIFIER_V2:
 878         /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
 879         WARN("Modifier on %x: %s%s%s%s\n",
 880              type->modifier_v2.type,
 881              type->modifier_v2.attribute & 0x01 ? "const " : "",
 882              type->modifier_v2.attribute & 0x02 ? "volatile " : "",
 883              type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
 884              type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
 885         symt = codeview_fetch_type(ctp, type->modifier_v2.type, details);
 886         break;
 887
 888     case LF_POINTER_V1:
 889         symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
 890         break;
 891     case LF_POINTER_V2:
 892         symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
 893         break;
 894
 895     case LF_ARRAY_V1:
 896         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 897         else
 898         {
 899             leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
 900             p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
 901             symt = codeview_add_type_array(ctp, terminate_string(p_name),
 902                                            type->array_v1.elemtype,
 903                                            type->array_v1.idxtype, value);
 904         }
 905         break;
 906     case LF_ARRAY_V2:
 907         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 908         else
 909         {
 910             leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
 911             p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
 912
 913             symt = codeview_add_type_array(ctp, terminate_string(p_name),
 914                                            type->array_v2.elemtype,
 915                                            type->array_v2.idxtype, value);
 916         }
 917         break;
 918     case LF_ARRAY_V3:
 919         if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
 920         else
 921         {
 922             leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
 923             c_name = (const char*)&type->array_v3.arrlen + leaf_len;
 924
 925             symt = codeview_add_type_array(ctp, c_name,
 926                                            type->array_v3.elemtype,
 927                                            type->array_v3.idxtype, value);
 928         }
 929         break;
 930
 931     case LF_STRUCTURE_V1:
 932     case LF_CLASS_V1:
 933         leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
 934         p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
 935         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
 936                                         type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct);
 937         if (details)
 938         {
 939             codeview_add_type(curr_type, symt);
 940             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 941                                                 type->struct_v1.fieldlist);
 942         }
 943         break;
 944
 945     case LF_STRUCTURE_V2:
 946     case LF_CLASS_V2:
 947         leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
 948         p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
 949         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
 950                                         type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct);
 951         if (details)
 952         {
 953             codeview_add_type(curr_type, symt);
 954             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 955                                                 type->struct_v2.fieldlist);
 956         }
 957         break;
 958
 959     case LF_STRUCTURE_V3:
 960     case LF_CLASS_V3:
 961         leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
 962         c_name = (const char*)&type->struct_v3.structlen + leaf_len;
 963         symt = codeview_add_type_struct(ctp, existing, c_name, value,
 964                                         type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct);
 965         if (details)
 966         {
 967             codeview_add_type(curr_type, symt);
 968             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 969                                                 type->struct_v3.fieldlist);
 970         }
 971         break;
 972
 973     case LF_UNION_V1:
 974         leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
 975         p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
 976         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
 977                                         value, UdtUnion);
 978         if (details)
 979         {
 980             codeview_add_type(curr_type, symt);
 981             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 982                                                 type->union_v1.fieldlist);
 983         }
 984         break;
 985
 986     case LF_UNION_V2:
 987         leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
 988         p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
 989         symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
 990                                         value, UdtUnion);
 991         if (details)
 992         {
 993             codeview_add_type(curr_type, symt);
 994             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
 995                                                 type->union_v2.fieldlist);
 996         }
 997         break;
 998
 999     case LF_UNION_V3:
1000         leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
1001         c_name = (const char*)&type->union_v3.un_len + leaf_len;
1002         symt = codeview_add_type_struct(ctp, existing, c_name,
1003                                         value, UdtUnion);
1004         if (details)
1005         {
1006             codeview_add_type(curr_type, symt);
1007             codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1008                                                 type->union_v3.fieldlist);
1009         }
1010         break;
1011
1012     case LF_ENUM_V1:
1013         symt = codeview_add_type_enum(ctp, existing,
1014                                       terminate_string(&type->enumeration_v1.p_name),
1015                                       type->enumeration_v1.fieldlist,
1016                                       type->enumeration_v1.type);
1017         break;
1018
1019     case LF_ENUM_V2:
1020         symt = codeview_add_type_enum(ctp, existing,
1021                                       terminate_string(&type->enumeration_v2.p_name),
1022                                       type->enumeration_v2.fieldlist,
1023                                       type->enumeration_v2.type);
1024         break;
1025
1026     case LF_ENUM_V3:
1027         symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
1028                                       type->enumeration_v3.fieldlist,
1029                                       type->enumeration_v3.type);
1030         break;
1031
1032     case LF_PROCEDURE_V1:
1033         symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
1034         if (details)
1035         {
1036             codeview_add_type(curr_type, symt);
1037             codeview_add_func_signature_args(ctp,
1038                                              (struct symt_function_signature*)symt,
1039                                              type->procedure_v1.rvtype,
1040                                              type->procedure_v1.arglist);
1041         }
1042         break;
1043     case LF_PROCEDURE_V2:
1044         symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call);
1045         if (details)
1046         {
1047             codeview_add_type(curr_type, symt);
1048             codeview_add_func_signature_args(ctp,
1049                                              (struct symt_function_signature*)symt,
1050                                              type->procedure_v2.rvtype,
1051                                              type->procedure_v2.arglist);
1052         }
1053         break;
1054
1055     case LF_MFUNCTION_V1:
1056         /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1057          * nor class information, this would just do for now
1058          */
1059         symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1060         if (details)
1061         {
1062             codeview_add_type(curr_type, symt);
1063             codeview_add_func_signature_args(ctp,
1064                                              (struct symt_function_signature*)symt,
1065                                              type->mfunction_v1.rvtype,
1066                                              type->mfunction_v1.arglist);
1067         }
1068         break;
1069     case LF_MFUNCTION_V2:
1070         /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1071          * nor class information, this would just do for now
1072          */
1073         symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1074         if (details)
1075         {
1076             codeview_add_type(curr_type, symt);
1077             codeview_add_func_signature_args(ctp,
1078                                              (struct symt_function_signature*)symt,
1079                                              type->mfunction_v2.rvtype,
1080                                              type->mfunction_v2.arglist);
1081         }
1082         break;
1083
1084     case LF_VTSHAPE_V1:
1085         /* this is an ugly hack... FIXME when we have C++ support */
1086         if (!(symt = existing))
1087         {
1088             char    buf[128];
1089             snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1090             symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1091         }
1092         break;
1093     default:
1094         FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1095         dump(type, 2 + type->generic.len);
1096         return FALSE;
1097     }
1098     return codeview_add_type(curr_type, symt) ? symt : NULL;
1099 }
1100
1101 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1102 {
1103     unsigned int                curr_type = FIRST_DEFINABLE_TYPE;
1104     const union codeview_type*  type;
1105
1106     for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1107     {
1108         type = codeview_jump_to_type(ctp, curr_type);
1109
1110         /* type records we're interested in are the ones referenced by symbols
1111          * The known ranges are (X mark the ones we want):
1112          *   X  0000-0016       for V1 types
1113          *      0200-020c       for V1 types referenced by other types
1114          *      0400-040f       for V1 types (complex lists & sets)
1115          *   X  1000-100f       for V2 types
1116          *      1200-120c       for V2 types referenced by other types
1117          *      1400-140f       for V1 types (complex lists & sets)
1118          *   X  1500-150d       for V3 types
1119          *      8000-8010       for numeric leafes
1120          */
1121         if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100))
1122             codeview_parse_one_type(ctp, curr_type, type, TRUE);
1123     }
1124
1125     return TRUE;
1126 }
1127
1128 /*========================================================================
1129  * Process CodeView line number information.
1130  */
1131
1132 static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
1133                                                        const BYTE* linetab, int size,
1134                                                        BOOL pascal_str)
1135 {
1136     int                         file_segcount;
1137     char                        filename[PATH_MAX];
1138     const unsigned int*         filetab;
1139     const struct p_string*      p_fn;
1140     int                         i;
1141     int                         k;
1142     struct codeview_linetab*    lt_hdr;
1143     const unsigned int*         lt_ptr;
1144     int                         nfile;
1145     int                         nseg;
1146     union any_size              pnt;
1147     union any_size              pnt2;
1148     const struct startend*      start;
1149     int                         this_seg;
1150     unsigned                    source;
1151
1152     /*
1153      * Now get the important bits.
1154      */
1155     pnt.uc = linetab;
1156     nfile = *pnt.s++;
1157     nseg = *pnt.s++;
1158
1159     filetab = (const unsigned int*) pnt.c;
1160
1161     /*
1162      * Now count up the number of segments in the file.
1163      */
1164     nseg = 0;
1165     for (i = 0; i < nfile; i++)
1166     {
1167         pnt2.uc = linetab + filetab[i];
1168         nseg += *pnt2.s;
1169     }
1170
1171     /*
1172      * Next allocate the header we will be returning.
1173      * There is one header for each segment, so that we can reach in
1174      * and pull bits as required.
1175      */
1176     lt_hdr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1177                 (nseg + 1) * sizeof(*lt_hdr));
1178     if (lt_hdr == NULL)
1179     {
1180         goto leave;
1181     }
1182
1183     /*
1184      * Now fill the header we will be returning, one for each segment.
1185      * Note that this will basically just contain pointers into the existing
1186      * line table, and we do not actually copy any additional information
1187      * or allocate any additional memory.
1188      */
1189
1190     this_seg = 0;
1191     for (i = 0; i < nfile; i++)
1192     {
1193         /*
1194          * Get the pointer into the segment information.
1195          */
1196         pnt2.uc = linetab + filetab[i];
1197         file_segcount = *pnt2.s;
1198
1199         pnt2.ui++;
1200         lt_ptr = (const unsigned int*) pnt2.c;
1201         start = (const struct startend*)(lt_ptr + file_segcount);
1202
1203         /*
1204          * Now snarf the filename for all of the segments for this file.
1205          */
1206         if (pascal_str)
1207         {
1208             p_fn = (const struct p_string*)(start + file_segcount);
1209             memset(filename, 0, sizeof(filename));
1210             memcpy(filename, p_fn->name, p_fn->namelen);
1211             source = source_new(module, NULL, filename);
1212         }
1213         else
1214             source = source_new(module, NULL, (const char*)(start + file_segcount));
1215
1216         for (k = 0; k < file_segcount; k++, this_seg++)
1217         {
1218             pnt2.uc = linetab + lt_ptr[k];
1219             lt_hdr[this_seg].start      = start[k].start;
1220             lt_hdr[this_seg].end        = start[k].end;
1221             lt_hdr[this_seg].source     = source;
1222             lt_hdr[this_seg].segno      = *pnt2.s++;
1223             lt_hdr[this_seg].nline      = *pnt2.s++;
1224             lt_hdr[this_seg].offtab     = pnt2.ui;
1225             lt_hdr[this_seg].linetab    = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
1226         }
1227     }
1228
1229 leave:
1230
1231   return lt_hdr;
1232
1233 }
1234
1235 /*========================================================================
1236  * Process CodeView symbol information.
1237  */
1238
1239 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1240                                         unsigned int offset)
1241 {
1242     int                 nomap = msc_dbg->nomap;
1243     const OMAP_DATA*    omapp = msc_dbg->omapp;
1244     int                 i;
1245
1246     if (!nomap || !omapp) return offset;
1247
1248     /* FIXME: use binary search */
1249     for (i = 0; i < nomap - 1; i++)
1250         if (omapp[i].from <= offset && omapp[i+1].from > offset)
1251             return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1252
1253     return 0;
1254 }
1255
1256 static const struct codeview_linetab*
1257 codeview_get_linetab(const struct codeview_linetab* linetab,
1258                      unsigned seg, unsigned offset)
1259 {
1260     /*
1261      * Check whether we have line number information
1262      */
1263     if (linetab)
1264     {
1265         for (; linetab->linetab; linetab++)
1266             if (linetab->segno == seg &&
1267                 linetab->start <= offset && linetab->end   >  offset)
1268                 break;
1269         if (!linetab->linetab) linetab = NULL;
1270     }
1271     return linetab;
1272 }
1273
1274 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1275                                      unsigned seg, unsigned offset)
1276 {
1277     int                         nsect = msc_dbg->nsect;
1278     const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1279
1280     if (!seg || seg > nsect) return 0;
1281     return msc_dbg->module->module.BaseOfImage +
1282         codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1283 }
1284
1285 static void codeview_add_func_linenum(struct module* module,
1286                                       struct symt_function* func,
1287                                       const struct codeview_linetab* linetab,
1288                                       unsigned offset, unsigned size)
1289 {
1290     unsigned int        i;
1291
1292     if (!linetab) return;
1293     for (i = 0; i < linetab->nline; i++)
1294     {
1295         if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
1296         {
1297             symt_add_func_line(module, func, linetab->source,
1298                                linetab->linetab[i], linetab->offtab[i] - offset);
1299         }
1300     }
1301 }
1302
1303 static inline void codeview_add_variable(const struct msc_debug_info* msc_dbg,
1304                                          struct symt_compiland* compiland,
1305                                          const char* name,
1306                                          unsigned segment, unsigned offset,
1307                                          unsigned symtype, BOOL is_local, BOOL force)
1308 {
1309     if (name && *name)
1310     {
1311         unsigned        address = codeview_get_address(msc_dbg, segment, offset);
1312
1313         if (force || !symt_find_nearest(msc_dbg->module, address))
1314         {
1315             symt_new_global_variable(msc_dbg->module, compiland,
1316                                      name, is_local, address, 0,
1317                                      codeview_get_type(symtype, FALSE));
1318         }
1319     }
1320 }
1321
1322 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1323                           int offset, int size,
1324                           struct codeview_linetab* linetab, BOOL do_globals)
1325 {
1326     struct symt_function*               curr_func = NULL;
1327     int                                 i, length;
1328     const struct codeview_linetab*      flt;
1329     struct symt_block*                  block = NULL;
1330     struct symt*                        symt;
1331     const char*                         name;
1332     struct symt_compiland*              compiland = NULL;
1333     struct location                     loc;
1334
1335     /*
1336      * Loop over the different types of records and whenever we
1337      * find something we are interested in, record it and move on.
1338      */
1339     for (i = offset; i < size; i += length)
1340     {
1341         const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1342         length = sym->generic.len + 2;
1343         if (i + length > size) break;
1344         if (!sym->generic.id || length < 4) break;
1345         if (length & 3) FIXME("unpadded len %u\n", length);
1346
1347         switch (sym->generic.id)
1348         {
1349         /*
1350          * Global and local data symbols.  We don't associate these
1351          * with any given source file.
1352          */
1353         case S_GDATA_V1:
1354         case S_LDATA_V1:
1355             if (do_globals)
1356                 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1357                                       sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1358                                       sym->generic.id == S_LDATA_V1, TRUE);
1359             break;
1360         case S_GDATA_V2:
1361         case S_LDATA_V2:
1362             if (do_globals)
1363                 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1364                                       sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1365                                       sym->generic.id == S_LDATA_V2, TRUE);
1366             break;
1367         case S_GDATA_V3:
1368         case S_LDATA_V3:
1369             if (do_globals)
1370                 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1371                                       sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1372                                       sym->generic.id == S_LDATA_V3, TRUE);
1373             break;
1374
1375         /* Public symbols */
1376         case S_PUB_V1:
1377         case S_PUB_V2:
1378         case S_PUB_V3:
1379         case S_PUB_FUNC1_V3:
1380         case S_PUB_FUNC2_V3:
1381             /* will be handled later on in codeview_snarf_public */
1382             break;
1383
1384         /*
1385          * Sort of like a global function, but it just points
1386          * to a thunk, which is a stupid name for what amounts to
1387          * a PLT slot in the normal jargon that everyone else uses.
1388          */
1389         case S_THUNK_V1:
1390             symt_new_thunk(msc_dbg->module, compiland,
1391                            terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1392                            codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1393                            sym->thunk_v1.thunk_len);
1394             break;
1395         case S_THUNK_V3:
1396             symt_new_thunk(msc_dbg->module, compiland,
1397                            sym->thunk_v3.name, sym->thunk_v3.thtype,
1398                            codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1399                            sym->thunk_v3.thunk_len);
1400             break;
1401
1402         /*
1403          * Global and static functions.
1404          */
1405         case S_GPROC_V1:
1406         case S_LPROC_V1:
1407             flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
1408             if (curr_func) FIXME("nested function\n");
1409             curr_func = symt_new_function(msc_dbg->module, compiland,
1410                                           terminate_string(&sym->proc_v1.p_name),
1411                                           codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1412                                           sym->proc_v1.proc_len,
1413                                           codeview_get_type(sym->proc_v1.proctype, FALSE));
1414             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1415                                       sym->proc_v1.offset, sym->proc_v1.proc_len);
1416             loc.kind = loc_absolute;
1417             loc.offset = sym->proc_v1.debug_start;
1418             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1419             loc.offset = sym->proc_v1.debug_end;
1420             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1421             break;
1422         case S_GPROC_V2:
1423         case S_LPROC_V2:
1424             flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
1425             if (curr_func) FIXME("nested function\n");
1426             curr_func = symt_new_function(msc_dbg->module, compiland,
1427                                           terminate_string(&sym->proc_v2.p_name),
1428                                           codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1429                                           sym->proc_v2.proc_len,
1430                                           codeview_get_type(sym->proc_v2.proctype, FALSE));
1431             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1432                                       sym->proc_v2.offset, sym->proc_v2.proc_len);
1433             loc.kind = loc_absolute;
1434             loc.offset = sym->proc_v2.debug_start;
1435             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1436             loc.offset = sym->proc_v2.debug_end;
1437             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1438             break;
1439         case S_GPROC_V3:
1440         case S_LPROC_V3:
1441             flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
1442             if (curr_func) FIXME("nested function\n");
1443             curr_func = symt_new_function(msc_dbg->module, compiland,
1444                                           sym->proc_v3.name,
1445                                           codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1446                                           sym->proc_v3.proc_len,
1447                                           codeview_get_type(sym->proc_v3.proctype, FALSE));
1448             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1449                                       sym->proc_v3.offset, sym->proc_v3.proc_len);
1450             loc.kind = loc_absolute;
1451             loc.offset = sym->proc_v3.debug_start;
1452             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1453             loc.offset = sym->proc_v3.debug_end;
1454             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1455             break;
1456         /*
1457          * Function parameters and stack variables.
1458          */
1459         case S_BPREL_V1:
1460             loc.kind = loc_regrel;
1461             loc.reg = 0; /* FIXME */
1462             loc.offset = sym->stack_v1.offset;
1463             symt_add_func_local(msc_dbg->module, curr_func,
1464                                 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1465                                 &loc, block,
1466                                 codeview_get_type(sym->stack_v1.symtype, FALSE),
1467                                 terminate_string(&sym->stack_v1.p_name));
1468             break;
1469         case S_BPREL_V2:
1470             loc.kind = loc_regrel;
1471             loc.reg = 0; /* FIXME */
1472             loc.offset = sym->stack_v2.offset;
1473             symt_add_func_local(msc_dbg->module, curr_func,
1474                                 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1475                                 &loc, block,
1476                                 codeview_get_type(sym->stack_v2.symtype, FALSE),
1477                                 terminate_string(&sym->stack_v2.p_name));
1478             break;
1479         case S_BPREL_V3:
1480             loc.kind = loc_regrel;
1481             loc.reg = 0; /* FIXME */
1482             loc.offset = sym->stack_v3.offset;
1483             symt_add_func_local(msc_dbg->module, curr_func,
1484                                 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1485                                 &loc, block,
1486                                 codeview_get_type(sym->stack_v3.symtype, FALSE),
1487                                 sym->stack_v3.name);
1488             break;
1489         case S_BPREL_XXXX_V3:
1490             loc.kind = loc_regrel;
1491             loc.reg = 0; /* FIXME */
1492             loc.offset = sym->stack_xxxx_v3.offset;
1493             WARN("Supposed stack variable %s (%d)\n", sym->stack_xxxx_v3.name, sym->stack_xxxx_v3.unknown);
1494             symt_add_func_local(msc_dbg->module, curr_func,
1495                                 sym->stack_xxxx_v3.offset > 0 ? DataIsParam : DataIsLocal,
1496                                 &loc, block,
1497                                 codeview_get_type(sym->stack_xxxx_v3.symtype, FALSE),
1498                                 sym->stack_xxxx_v3.name);
1499             break;
1500
1501         case S_REGISTER_V1:
1502             loc.kind = loc_register;
1503             loc.reg = sym->register_v1.reg;
1504             loc.offset = 0;
1505             symt_add_func_local(msc_dbg->module, curr_func,
1506                                 DataIsLocal, &loc,
1507                                 block, codeview_get_type(sym->register_v1.type, FALSE),
1508                                 terminate_string(&sym->register_v1.p_name));
1509             break;
1510         case S_REGISTER_V2:
1511             loc.kind = loc_register;
1512             loc.reg = sym->register_v2.reg;
1513             loc.offset = 0;
1514             symt_add_func_local(msc_dbg->module, curr_func,
1515                                 DataIsLocal, &loc,
1516                                 block, codeview_get_type(sym->register_v2.type, FALSE),
1517                                 terminate_string(&sym->register_v2.p_name));
1518             break;
1519         case S_REGISTER_V3:
1520             loc.kind = loc_register;
1521             loc.reg = sym->register_v3.reg;
1522             loc.offset = 0;
1523             symt_add_func_local(msc_dbg->module, curr_func,
1524                                 DataIsLocal, &loc,
1525                                 block, codeview_get_type(sym->register_v3.type, FALSE),
1526                                 sym->register_v3.name);
1527             break;
1528
1529         case S_BLOCK_V1:
1530             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1531                                          codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1532                                          sym->block_v1.length);
1533             break;
1534         case S_BLOCK_V3:
1535             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1536                                          codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1537                                          sym->block_v3.length);
1538             break;
1539
1540         case S_END_V1:
1541             if (block)
1542             {
1543                 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1544             }
1545             else if (curr_func)
1546             {
1547                 symt_normalize_function(msc_dbg->module, curr_func);
1548                 curr_func = NULL;
1549             }
1550             break;
1551
1552         case S_COMPILAND_V1:
1553             TRACE("S-Compiland-V1 %x %s\n",
1554                   sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1555             break;
1556
1557         case S_COMPILAND_V2:
1558             TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1559             if (TRACE_ON(dbghelp_msc))
1560             {
1561                 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1562                 const char* ptr2;
1563                 while (*ptr1)
1564                 {
1565                     ptr2 = ptr1 + strlen(ptr1) + 1;
1566                     TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1567                     ptr1 = ptr2 + strlen(ptr2) + 1;
1568                 }
1569             }
1570             break;
1571         case S_COMPILAND_V3:
1572             TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1573             if (TRACE_ON(dbghelp_msc))
1574             {
1575                 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1576                 const char* ptr2;
1577                 while (*ptr1)
1578                 {
1579                     ptr2 = ptr1 + strlen(ptr1) + 1;
1580                     TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1581                     ptr1 = ptr2 + strlen(ptr2) + 1;
1582                 }
1583             }
1584             break;
1585
1586         case S_OBJNAME_V1:
1587             TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1588             compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1589                                            source_new(msc_dbg->module, NULL,
1590                                                       terminate_string(&sym->objname_v1.p_name)));
1591             break;
1592
1593         case S_LABEL_V1:
1594             if (curr_func)
1595             {
1596                 loc.kind = loc_absolute;
1597                 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1598                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1599                                         terminate_string(&sym->label_v1.p_name));
1600             }
1601             else symt_new_label(msc_dbg->module, compiland,
1602                                 terminate_string(&sym->label_v1.p_name),
1603                                 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset));
1604             break;
1605         case S_LABEL_V3:
1606             if (curr_func)
1607             {
1608                 loc.kind = loc_absolute;
1609                 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1610                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1611                                         &loc, sym->label_v3.name);
1612             }
1613             else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name,
1614                                 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset));
1615             break;
1616
1617         case S_CONSTANT_V1:
1618             {
1619                 int                     vlen;
1620                 const struct p_string*  name;
1621                 struct symt*            se;
1622                 VARIANT                 v;
1623
1624                 v.n1.n2.vt = VT_I4;
1625                 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v1.cvalue);
1626                 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1627                 se = codeview_get_type(sym->constant_v1.type, FALSE);
1628
1629                 TRACE("S-Constant-V1 %u %s %x\n",
1630                       v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1631                 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1632                                   se, &v);
1633             }
1634             break;
1635         case S_CONSTANT_V2:
1636             {
1637                 int                     vlen;
1638                 const struct p_string*  name;
1639                 struct symt*            se;
1640                 VARIANT                 v;
1641
1642                 v.n1.n2.vt = VT_I4;
1643                 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v2.cvalue);
1644                 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1645                 se = codeview_get_type(sym->constant_v2.type, FALSE);
1646
1647                 TRACE("S-Constant-V2 %u %s %x\n",
1648                       v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1649                 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1650                                   se, &v);
1651             }
1652             break;
1653         case S_CONSTANT_V3:
1654             {
1655                 int                     vlen;
1656                 const char*             name;
1657                 struct symt*            se;
1658                 VARIANT                 v;
1659
1660                 v.n1.n2.vt = VT_I4;
1661                 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v3.cvalue);
1662                 name = (const char*)&sym->constant_v3.cvalue + vlen;
1663                 se = codeview_get_type(sym->constant_v3.type, FALSE);
1664
1665                 TRACE("S-Constant-V3 %u %s %x\n",
1666                       v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1667                 /* FIXME: we should add this as a constant value */
1668             }
1669             break;
1670
1671         case S_UDT_V1:
1672             if (sym->udt_v1.type)
1673             {
1674                 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1675                     symt_new_typedef(msc_dbg->module, symt,
1676                                      terminate_string(&sym->udt_v1.p_name));
1677                 else
1678                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1679                           terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1680             }
1681             break;
1682         case S_UDT_V2:
1683             if (sym->udt_v2.type)
1684             {
1685                 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1686                     symt_new_typedef(msc_dbg->module, symt,
1687                                      terminate_string(&sym->udt_v2.p_name));
1688                 else
1689                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1690                           terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1691             }
1692             break;
1693         case S_UDT_V3:
1694             if (sym->udt_v3.type)
1695             {
1696                 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1697                     symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1698                 else
1699                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1700                           sym->udt_v3.name, sym->udt_v3.type);
1701             }
1702             break;
1703
1704          /*
1705          * These are special, in that they are always followed by an
1706          * additional length-prefixed string which is *not* included
1707          * into the symbol length count.  We need to skip it.
1708          */
1709         case S_PROCREF_V1:
1710         case S_DATAREF_V1:
1711         case S_LPROCREF_V1:
1712             name = (const char*)sym + length;
1713             length += (*name + 1 + 3) & ~3;
1714             break;
1715
1716         case S_MSTOOL_V3: /* just to silence a few warnings */
1717             break;
1718
1719         case S_SSEARCH_V1:
1720             TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1721                   sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1722             break;
1723
1724         case S_ALIGN_V1:
1725             TRACE("S-Align V1\n");
1726             break;
1727
1728         case 0x112c:
1729             TRACE("Unsupported symbol id %x\n", sym->generic.id);
1730             break;
1731
1732         default:
1733             FIXME("Unsupported symbol id %x\n", sym->generic.id);
1734             dump(sym, 2 + sym->generic.len);
1735             break;
1736         }
1737     }
1738
1739     if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1740
1741     HeapFree(GetProcessHeap(), 0, linetab);
1742     return TRUE;
1743 }
1744
1745 static int codeview_snarf_public(const struct msc_debug_info* msc_dbg, const BYTE* root,
1746                                  int offset, int size)
1747
1748 {
1749     int                                 i, length;
1750     struct symt_compiland*              compiland = NULL;
1751
1752     /*
1753      * Loop over the different types of records and whenever we
1754      * find something we are interested in, record it and move on.
1755      */
1756     for (i = offset; i < size; i += length)
1757     {
1758         const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1759         length = sym->generic.len + 2;
1760         if (i + length > size) break;
1761         if (!sym->generic.id || length < 4) break;
1762         if (length & 3) FIXME("unpadded len %u\n", length);
1763
1764         switch (sym->generic.id)
1765         {
1766         case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1767             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1768             {
1769                 symt_new_public(msc_dbg->module, compiland,
1770                                 terminate_string(&sym->data_v1.p_name),
1771                                 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1772                                 1, TRUE /* FIXME */, TRUE /* FIXME */);
1773             }
1774             break;
1775         case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1776             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1777             {
1778                 symt_new_public(msc_dbg->module, compiland,
1779                                 terminate_string(&sym->data_v2.p_name),
1780                                 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1781                                 1, TRUE /* FIXME */, TRUE /* FIXME */);
1782             }
1783             break;
1784
1785         case S_PUB_V3:
1786             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1787             {
1788                 symt_new_public(msc_dbg->module, compiland,
1789                                 sym->data_v3.name,
1790                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1791                                 1, FALSE /* FIXME */, FALSE);
1792             }
1793             break;
1794         case S_PUB_FUNC1_V3:
1795         case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1796 #if 0
1797             /* FIXME: this is plain wrong (from a simple test) */
1798             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1799             {
1800                 symt_new_public(msc_dbg->module, compiland,
1801                                 sym->data_v3.name,
1802                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1803                                 1, TRUE /* FIXME */, TRUE);
1804             }
1805 #endif
1806             break;
1807         /*
1808          * Global and local data symbols.  We don't associate these
1809          * with any given source file.
1810          */
1811         case S_GDATA_V1:
1812         case S_LDATA_V1:
1813             codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1814                                   sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1815                                   sym->generic.id == S_LDATA_V1, FALSE);
1816             break;
1817         case S_GDATA_V2:
1818         case S_LDATA_V2:
1819             codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1820                                   sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1821                                   sym->generic.id == S_LDATA_V2, FALSE);
1822             break;
1823         case S_GDATA_V3:
1824         case S_LDATA_V3:
1825             codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1826                                   sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1827                                   sym->generic.id == S_LDATA_V3, FALSE);
1828             break;
1829         /*
1830          * These are special, in that they are always followed by an
1831          * additional length-prefixed string which is *not* included
1832          * into the symbol length count.  We need to skip it.
1833          */
1834         case S_PROCREF_V1:
1835         case S_DATAREF_V1:
1836         case S_LPROCREF_V1:
1837             length += (((const char*)sym)[length] + 1 + 3) & ~3;
1838             break;
1839         }
1840         msc_dbg->module->sortlist_valid = TRUE;
1841     }
1842     msc_dbg->module->sortlist_valid = FALSE;
1843     return TRUE;
1844 }
1845
1846 /*========================================================================
1847  * Process PDB file.
1848  */
1849
1850 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1851                          int size)
1852 {
1853     int                         i, num_blocks;
1854     BYTE*                       buffer;
1855
1856     if (!size) return NULL;
1857
1858     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1859     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1860
1861     for (i = 0; i < num_blocks; i++)
1862         memcpy(buffer + i * pdb->block_size,
1863                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1864
1865     return buffer;
1866 }
1867
1868 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
1869                          int size)
1870 {
1871     int                         i, num_blocks;
1872     BYTE*                       buffer;
1873
1874     if (!size) return NULL;
1875
1876     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1877     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1878
1879     for (i = 0; i < num_blocks; i++)
1880         memcpy(buffer + i * pdb->block_size,
1881                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1882
1883     return buffer;
1884 }
1885
1886 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
1887                               const struct PDB_JG_TOC* toc, DWORD file_nr)
1888 {
1889     const WORD*                 block_list;
1890     DWORD                       i;
1891
1892     if (!toc || file_nr >= toc->num_files) return NULL;
1893
1894     block_list = (const WORD*) &toc->file[toc->num_files];
1895     for (i = 0; i < file_nr; i++)
1896         block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
1897
1898     return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
1899 }
1900
1901 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
1902                               const struct PDB_DS_TOC* toc, DWORD file_nr)
1903 {
1904     const DWORD*                block_list;
1905     DWORD                       i;
1906
1907     if (!toc || file_nr >= toc->num_files) return NULL;
1908
1909     if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
1910     {
1911         FIXME(">>> requesting NULL stream (%u)\n", file_nr);
1912         return NULL;
1913     }
1914     block_list = &toc->file_size[toc->num_files];
1915     for (i = 0; i < file_nr; i++)
1916         block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
1917
1918     return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
1919 }
1920
1921 static void* pdb_read_file(const char* image, const struct pdb_lookup* pdb_lookup,
1922                            DWORD file_nr)
1923 {
1924     switch (pdb_lookup->kind)
1925     {
1926     case PDB_JG:
1927         return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
1928                                 pdb_lookup->u.jg.toc, file_nr);
1929     case PDB_DS:
1930         return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
1931                                 pdb_lookup->u.ds.toc, file_nr);
1932     }
1933     return NULL;
1934 }
1935
1936 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
1937 {
1938     switch (pdb_lookup->kind)
1939     {
1940     case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
1941     case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
1942     }
1943     return 0;
1944 }
1945
1946 static void pdb_free(void* buffer)
1947 {
1948     HeapFree(GetProcessHeap(), 0, buffer);
1949 }
1950
1951 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
1952 {
1953     switch (pdb_lookup->kind)
1954     {
1955     case PDB_JG:
1956         pdb_free(pdb_lookup->u.jg.toc);
1957         break;
1958     case PDB_DS:
1959         pdb_free(pdb_lookup->u.ds.toc);
1960         break;
1961     }
1962 }
1963
1964 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
1965 {
1966     memset(types, 0, sizeof(PDB_TYPES));
1967     if (!image) return;
1968
1969     if (*(const DWORD*)image < 19960000)   /* FIXME: correct version? */
1970     {
1971         /* Old version of the types record header */
1972         const PDB_TYPES_OLD*    old = (const PDB_TYPES_OLD*)image;
1973         types->version     = old->version;
1974         types->type_offset = sizeof(PDB_TYPES_OLD);
1975         types->type_size   = old->type_size;
1976         types->first_index = old->first_index;
1977         types->last_index  = old->last_index;
1978         types->file        = old->file;
1979     }
1980     else
1981     {
1982         /* New version of the types record header */
1983         *types = *(const PDB_TYPES*)image;
1984     }
1985 }
1986
1987 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
1988                                        int* header_size, const BYTE* image)
1989 {
1990     memset(symbols, 0, sizeof(PDB_SYMBOLS));
1991     if (!image) return;
1992
1993     if (*(const DWORD*)image != 0xffffffff)
1994     {
1995         /* Old version of the symbols record header */
1996         const PDB_SYMBOLS_OLD*  old = (const PDB_SYMBOLS_OLD*)image;
1997         symbols->version         = 0;
1998         symbols->module_size     = old->module_size;
1999         symbols->offset_size     = old->offset_size;
2000         symbols->hash_size       = old->hash_size;
2001         symbols->srcmodule_size  = old->srcmodule_size;
2002         symbols->pdbimport_size  = 0;
2003         symbols->hash1_file      = old->hash1_file;
2004         symbols->hash2_file      = old->hash2_file;
2005         symbols->gsym_file       = old->gsym_file;
2006
2007         *header_size = sizeof(PDB_SYMBOLS_OLD);
2008     }
2009     else
2010     {
2011         /* New version of the symbols record header */
2012         *symbols = *(const PDB_SYMBOLS*)image;
2013         *header_size = sizeof(PDB_SYMBOLS);
2014     }
2015 }
2016
2017 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
2018                                     PDB_SYMBOL_FILE_EX* sfile,
2019                                     unsigned* size, const void* image)
2020
2021 {
2022     if (symbols->version < 19970000)
2023     {
2024         const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
2025         memset(sfile, 0, sizeof(*sfile));
2026         sfile->file        = sym_file->file;
2027         sfile->range.index = sym_file->range.index;
2028         sfile->symbol_size = sym_file->symbol_size;
2029         sfile->lineno_size = sym_file->lineno_size;
2030         *size = sizeof(PDB_SYMBOL_FILE) - 1;
2031     }
2032     else
2033     {
2034         memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
2035         *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
2036     }
2037 }
2038
2039 static HANDLE open_pdb_file(const struct process* pcs,
2040                             const struct pdb_lookup* lookup)
2041 {
2042     HANDLE      h;
2043     char        dbg_file_path[MAX_PATH];
2044     BOOL        ret = FALSE;
2045
2046     switch (lookup->kind)
2047     {
2048     case PDB_JG:
2049         ret = path_find_symbol_file(pcs, lookup->filename, NULL, lookup->u.jg.timestamp,
2050                                     lookup->age, dbg_file_path);
2051         break;
2052     case PDB_DS:
2053         ret = path_find_symbol_file(pcs, lookup->filename, &lookup->u.ds.guid, 0,
2054                                     lookup->age, dbg_file_path);
2055         break;
2056     }
2057     if (!ret)
2058     {
2059         WARN("\tCouldn't find %s\n", lookup->filename);
2060         return NULL;
2061     }
2062     h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
2063                     OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
2064     TRACE("%s: %s returns %p\n", lookup->filename, dbg_file_path, h);
2065     return (h == INVALID_HANDLE_VALUE) ? NULL : h;
2066 }
2067
2068 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
2069                               const char* image, const struct pdb_lookup* pdb_lookup)
2070 {
2071     BYTE*       types_image = NULL;
2072
2073     types_image = pdb_read_file(image, pdb_lookup, 2);
2074     if (types_image)
2075     {
2076         PDB_TYPES               types;
2077         struct codeview_type_parse      ctp;
2078         DWORD                   total;
2079         const BYTE*             ptr;
2080         DWORD*                  offset;
2081
2082         pdb_convert_types_header(&types, types_image);
2083
2084         /* Check for unknown versions */
2085         switch (types.version)
2086         {
2087         case 19950410:      /* VC 4.0 */
2088         case 19951122:
2089         case 19961031:      /* VC 5.0 / 6.0 */
2090         case 19990903:
2091             break;
2092         default:
2093             ERR("-Unknown type info version %d\n", types.version);
2094         }
2095
2096         ctp.module = msc_dbg->module;
2097         /* reconstruct the types offset...
2098          * FIXME: maybe it's present in the newest PDB_TYPES structures
2099          */
2100         total = types.last_index - types.first_index + 1;
2101         offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
2102         ctp.table = ptr = types_image + types.type_offset;
2103         ctp.num = 0;
2104         while (ptr < ctp.table + types.type_size && ctp.num < total)
2105         {
2106             offset[ctp.num++] = ptr - ctp.table;
2107             ptr += ((const union codeview_type*)ptr)->generic.len + 2;
2108         }
2109         ctp.offset = offset;
2110
2111         /* Read type table */
2112         codeview_parse_type_table(&ctp);
2113         HeapFree(GetProcessHeap(), 0, offset);
2114         pdb_free(types_image);
2115     }
2116 }
2117
2118 static const char       PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
2119 static const char       PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
2120
2121 /******************************************************************
2122  *              pdb_init
2123  *
2124  * Tries to load a pdb file
2125  * if do_fill is TRUE, then it just fills pdb_lookup with the information of the
2126  *      file
2127  * if do_fill is FALSE, then it just checks that the kind of PDB (stored in
2128  *      pdb_lookup) matches what's really in the file
2129  */
2130 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image, BOOL do_fill)
2131 {
2132     BOOL        ret = TRUE;
2133
2134     /* check the file header, and if ok, load the TOC */
2135     TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
2136
2137     if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
2138     {
2139         const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
2140         struct PDB_JG_ROOT*         root;
2141
2142         pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2143         root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
2144         if (!root)
2145         {
2146             ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2147             return FALSE;
2148         }
2149         switch (root->Version)
2150         {
2151         case 19950623:      /* VC 4.0 */
2152         case 19950814:
2153         case 19960307:      /* VC 5.0 */
2154         case 19970604:      /* VC 6.0 */
2155             break;
2156         default:
2157             ERR("-Unknown root block version %d\n", root->Version);
2158         }
2159         if (do_fill)
2160         {
2161             pdb_lookup->kind = PDB_JG;
2162             pdb_lookup->u.jg.timestamp = root->TimeDateStamp;
2163             pdb_lookup->age = root->Age;
2164         }
2165         else if (pdb_lookup->kind != PDB_JG ||
2166                  pdb_lookup->u.jg.timestamp != root->TimeDateStamp ||
2167                  pdb_lookup->age != root->Age)
2168             ret = FALSE;
2169         TRACE("found JG/%c for %s: age=%x timestamp=%x\n",
2170               do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2171               root->TimeDateStamp);
2172         pdb_free(root);
2173     }
2174     else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2175     {
2176         const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2177         struct PDB_DS_ROOT*         root;
2178
2179         pdb_lookup->u.ds.toc =
2180             pdb_ds_read(pdb,
2181                         (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2182                         pdb->toc_size);
2183         root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
2184         if (!root)
2185         {
2186             ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2187             return FALSE;
2188         }
2189         switch (root->Version)
2190         {
2191         case 20000404:
2192             break;
2193         default:
2194             ERR("-Unknown root block version %d\n", root->Version);
2195         }
2196         if (do_fill)
2197         {
2198             pdb_lookup->kind = PDB_DS;
2199             pdb_lookup->u.ds.guid = root->guid;
2200             pdb_lookup->age = root->Age;
2201         }
2202         else if (pdb_lookup->kind != PDB_DS ||
2203                  memcmp(&pdb_lookup->u.ds.guid, &root->guid, sizeof(GUID)) ||
2204                  pdb_lookup->age != root->Age)
2205             ret = FALSE;
2206         TRACE("found DS/%c for %s: age=%x guid=%s\n",
2207               do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2208               debugstr_guid(&root->guid));
2209         pdb_free(root);
2210     }
2211
2212     if (0) /* some tool to dump the internal files from a PDB file */
2213     {
2214         int     i, num_files;
2215
2216         switch (pdb_lookup->kind)
2217         {
2218         case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
2219         case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
2220         }
2221
2222         for (i = 1; i < num_files; i++)
2223         {
2224             unsigned char* x = pdb_read_file(image, pdb_lookup, i);
2225             FIXME("********************** [%u]: size=%08x\n",
2226                   i, pdb_get_file_size(pdb_lookup, i));
2227             dump(x, pdb_get_file_size(pdb_lookup, i));
2228             pdb_free(x);
2229         }
2230     }
2231     return ret;
2232 }
2233
2234 static BOOL pdb_process_internal(const struct process* pcs,
2235                                  const struct msc_debug_info* msc_dbg,
2236                                  struct pdb_lookup* pdb_lookup,
2237                                  unsigned module_index);
2238
2239 static void pdb_process_symbol_imports(const struct process* pcs,
2240                                        const struct msc_debug_info* msc_dbg,
2241                                        const PDB_SYMBOLS* symbols,
2242                                        const void* symbols_image,
2243                                        const char* image,
2244                                        const struct pdb_lookup* pdb_lookup,
2245                                        unsigned module_index)
2246 {
2247     if (module_index == -1 && symbols && symbols->pdbimport_size)
2248     {
2249         const PDB_SYMBOL_IMPORT*imp;
2250         const void*             first;
2251         const void*             last;
2252         const char*             ptr;
2253         int                     i = 0;
2254
2255         imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2256                                          symbols->module_size + symbols->offset_size +
2257                                          symbols->hash_size + symbols->srcmodule_size);
2258         first = (const char*)imp;
2259         last = (const char*)imp + symbols->pdbimport_size;
2260         while (imp < (const PDB_SYMBOL_IMPORT*)last)
2261         {
2262             ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2263             if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2264             if (!strcasecmp(pdb_lookup->filename, imp->filename))
2265             {
2266                 if (module_index != -1) FIXME("Twice the entry\n");
2267                 else module_index = i;
2268             }
2269             else
2270             {
2271                 struct pdb_lookup       imp_pdb_lookup;
2272
2273                 /* FIXME: this is an import of a JG PDB file
2274                  * how's a DS PDB handled ?
2275                  */
2276                 imp_pdb_lookup.filename = imp->filename;
2277                 imp_pdb_lookup.kind = PDB_JG;
2278                 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
2279                 imp_pdb_lookup.age = imp->Age;
2280                 TRACE("got for %s: age=%u ts=%x\n",
2281                       imp->filename, imp->Age, imp->TimeDateStamp);
2282                 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
2283             }
2284             i++;
2285             imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2286         }
2287     }
2288     cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
2289     if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2290     cv_current_module->allowed = TRUE;
2291     pdb_process_types(msc_dbg, image, pdb_lookup);
2292 }
2293
2294 static BOOL pdb_process_internal(const struct process* pcs,
2295                                  const struct msc_debug_info* msc_dbg,
2296                                  struct pdb_lookup* pdb_lookup,
2297                                  unsigned module_index)
2298 {
2299     BOOL        ret = FALSE;
2300     HANDLE      hFile, hMap = NULL;
2301     char*       image = NULL;
2302     BYTE*       symbols_image = NULL;
2303
2304     TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2305
2306     /* Open and map() .PDB file */
2307     if ((hFile = open_pdb_file(pcs, pdb_lookup)) == NULL ||
2308         ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2309         ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2310     {
2311         WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2312         goto leave;
2313     }
2314     pdb_init(pdb_lookup, image, FALSE);
2315
2316     symbols_image = pdb_read_file(image, pdb_lookup, 3);
2317     if (symbols_image)
2318     {
2319         PDB_SYMBOLS symbols;
2320         BYTE*       globalimage;
2321         BYTE*       modimage;
2322         BYTE*       file;
2323         int         header_size = 0;
2324
2325         pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2326         switch (symbols.version)
2327         {
2328         case 0:            /* VC 4.0 */
2329         case 19960307:     /* VC 5.0 */
2330         case 19970606:     /* VC 6.0 */
2331         case 19990903:
2332             break;
2333         default:
2334             ERR("-Unknown symbol info version %d %08x\n",
2335                 symbols.version, symbols.version);
2336         }
2337
2338         pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2339
2340         /* Read global symbol table */
2341         globalimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2342         if (globalimage)
2343         {
2344             codeview_snarf(msc_dbg, globalimage, 0,
2345                            pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL, FALSE);
2346         }
2347
2348         /* Read per-module symbol / linenumber tables */
2349         file = symbols_image + header_size;
2350         while (file - symbols_image < header_size + symbols.module_size)
2351         {
2352             PDB_SYMBOL_FILE_EX          sfile;
2353             const char*                 file_name;
2354             unsigned                    size;
2355
2356             HeapValidate(GetProcessHeap(), 0, NULL);
2357             pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2358
2359             modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2360             if (modimage)
2361             {
2362                 struct codeview_linetab*    linetab = NULL;
2363
2364                 if (sfile.lineno_size)
2365                     linetab = codeview_snarf_linetab(msc_dbg->module,
2366                                                      modimage + sfile.symbol_size,
2367                                                      sfile.lineno_size,
2368                                                      pdb_lookup->kind == PDB_JG);
2369
2370                 if (sfile.symbol_size)
2371                     codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2372                                    sfile.symbol_size, linetab, TRUE);
2373
2374                 pdb_free(modimage);
2375             }
2376             file_name = (const char*)file + size;
2377             file_name += strlen(file_name) + 1;
2378             file = (BYTE*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
2379         }
2380         /* finish the remaining public and global information */
2381         if (globalimage)
2382         {
2383             codeview_snarf_public(msc_dbg, globalimage, 0,
2384                                   pdb_get_file_size(pdb_lookup, symbols.gsym_file));
2385
2386             pdb_free(globalimage);
2387         }
2388     }
2389     else
2390         pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2391                                    module_index);
2392     ret = TRUE;
2393
2394  leave:
2395     /* Cleanup */
2396     pdb_free(symbols_image);
2397     pdb_free_lookup(pdb_lookup);
2398
2399     if (image) UnmapViewOfFile(image);
2400     if (hMap) CloseHandle(hMap);
2401     if (hFile) CloseHandle(hFile);
2402
2403     return ret;
2404 }
2405
2406 static BOOL pdb_process_file(const struct process* pcs,
2407                              const struct msc_debug_info* msc_dbg,
2408                              struct pdb_lookup* pdb_lookup)
2409 {
2410     BOOL        ret;
2411
2412     memset(cv_zmodules, 0, sizeof(cv_zmodules));
2413     codeview_init_basic_types(msc_dbg->module);
2414     ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2415     codeview_clear_type_table();
2416     if (ret)
2417     {
2418         msc_dbg->module->module.SymType = SymCv;
2419         if (pdb_lookup->kind == PDB_JG)
2420             msc_dbg->module->module.PdbSig = pdb_lookup->u.jg.timestamp;
2421         else
2422             msc_dbg->module->module.PdbSig70 = pdb_lookup->u.ds.guid;
2423         msc_dbg->module->module.PdbAge = pdb_lookup->age;
2424         MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2425                             msc_dbg->module->module.LoadedPdbName,
2426                             sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2427         /* FIXME: we could have a finer grain here */
2428         msc_dbg->module->module.LineNumbers = TRUE;
2429         msc_dbg->module->module.GlobalSymbols = TRUE;
2430         msc_dbg->module->module.TypeInfo = TRUE;
2431         msc_dbg->module->module.SourceIndexed = TRUE;
2432         msc_dbg->module->module.Publics = TRUE;
2433     }
2434     return ret;
2435 }
2436
2437 BOOL pdb_fetch_file_info(struct pdb_lookup* pdb_lookup)
2438 {
2439     HANDLE              hFile, hMap = NULL;
2440     char*               image = NULL;
2441     BOOL                ret = TRUE;
2442
2443     if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2444                              OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2445         ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2446         ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2447     {
2448         WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2449         ret = FALSE;
2450     }
2451     else
2452     {
2453         pdb_init(pdb_lookup, image, TRUE);
2454         pdb_free_lookup(pdb_lookup);
2455     }
2456
2457     if (image) UnmapViewOfFile(image);
2458     if (hMap) CloseHandle(hMap);
2459     if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2460
2461     return ret;
2462 }
2463
2464 /*========================================================================
2465  * Process CodeView debug information.
2466  */
2467
2468 #define MAKESIG(a,b,c,d)        ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2469 #define CODEVIEW_NB09_SIG       MAKESIG('N','B','0','9')
2470 #define CODEVIEW_NB10_SIG       MAKESIG('N','B','1','0')
2471 #define CODEVIEW_NB11_SIG       MAKESIG('N','B','1','1')
2472 #define CODEVIEW_RSDS_SIG       MAKESIG('R','S','D','S')
2473
2474 static BOOL codeview_process_info(const struct process* pcs,
2475                                   const struct msc_debug_info* msc_dbg)
2476 {
2477     const DWORD*                signature = (const DWORD*)msc_dbg->root;
2478     BOOL                        ret = FALSE;
2479     struct pdb_lookup           pdb_lookup;
2480
2481     TRACE("Processing signature %.4s\n", (const char*)signature);
2482
2483     switch (*signature)
2484     {
2485     case CODEVIEW_NB09_SIG:
2486     case CODEVIEW_NB11_SIG:
2487     {
2488         const OMFSignature*     cv = (const OMFSignature*)msc_dbg->root;
2489         const OMFDirHeader*     hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
2490         const OMFDirEntry*      ent;
2491         const OMFDirEntry*      prev;
2492         const OMFDirEntry*      next;
2493         unsigned int                    i;
2494
2495         codeview_init_basic_types(msc_dbg->module);
2496
2497         for (i = 0; i < hdr->cDir; i++)
2498         {
2499             ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
2500             if (ent->SubSection == sstGlobalTypes)
2501             {
2502                 const OMFGlobalTypes*           types;
2503                 struct codeview_type_parse      ctp;
2504
2505                 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
2506                 ctp.module = msc_dbg->module;
2507                 ctp.offset = (const DWORD*)(types + 1);
2508                 ctp.num    = types->cTypes;
2509                 ctp.table  = (const BYTE*)(ctp.offset + types->cTypes);
2510
2511                 cv_current_module = &cv_zmodules[0];
2512                 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2513                 cv_current_module->allowed = TRUE;
2514
2515                 codeview_parse_type_table(&ctp);
2516                 break;
2517             }
2518         }
2519
2520         ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
2521         for (i = 0; i < hdr->cDir; i++, ent = next)
2522         {
2523             next = (i == hdr->cDir-1) ? NULL :
2524                    (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
2525             prev = (i == 0) ? NULL :
2526                    (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
2527
2528             if (ent->SubSection == sstAlignSym)
2529             {
2530                 /*
2531                  * Check the next and previous entry.  If either is a
2532                  * sstSrcModule, it contains the line number info for
2533                  * this file.
2534                  *
2535                  * FIXME: This is not a general solution!
2536                  */
2537                 struct codeview_linetab*        linetab = NULL;
2538
2539                 if (next && next->iMod == ent->iMod &&
2540                     next->SubSection == sstSrcModule)
2541                     linetab = codeview_snarf_linetab(msc_dbg->module,
2542                                                      msc_dbg->root + next->lfo, next->cb,
2543                                                      TRUE);
2544
2545                 if (prev && prev->iMod == ent->iMod &&
2546                     prev->SubSection == sstSrcModule)
2547                     linetab = codeview_snarf_linetab(msc_dbg->module,
2548                                                      msc_dbg->root + prev->lfo, prev->cb,
2549                                                      TRUE);
2550
2551                 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2552                                ent->cb, linetab, TRUE);
2553             }
2554         }
2555
2556         msc_dbg->module->module.SymType = SymCv;
2557         /* FIXME: we could have a finer grain here */
2558         msc_dbg->module->module.LineNumbers = TRUE;
2559         msc_dbg->module->module.GlobalSymbols = TRUE;
2560         msc_dbg->module->module.TypeInfo = TRUE;
2561         msc_dbg->module->module.SourceIndexed = TRUE;
2562         msc_dbg->module->module.Publics = TRUE;
2563         codeview_clear_type_table();
2564         ret = TRUE;
2565         break;
2566     }
2567
2568     case CODEVIEW_NB10_SIG:
2569     {
2570         const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
2571         pdb_lookup.filename = pdb->name;
2572         pdb_lookup.kind = PDB_JG;
2573         pdb_lookup.u.jg.timestamp = pdb->timestamp;
2574         pdb_lookup.u.jg.toc = NULL;
2575         pdb_lookup.age = pdb->age;
2576         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2577         break;
2578     }
2579     case CODEVIEW_RSDS_SIG:
2580     {
2581         const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
2582
2583         TRACE("Got RSDS type of PDB file: guid=%s age=%08x name=%s\n",
2584               wine_dbgstr_guid(&rsds->guid), rsds->age, rsds->name);
2585         pdb_lookup.filename = rsds->name;
2586         pdb_lookup.kind = PDB_DS;
2587         pdb_lookup.u.ds.guid = rsds->guid;
2588         pdb_lookup.u.ds.toc = NULL;
2589         pdb_lookup.age = rsds->age;
2590         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2591         break;
2592     }
2593     default:
2594         ERR("Unknown CODEVIEW signature %08x in module %s\n",
2595             *signature, debugstr_w(msc_dbg->module->module.ModuleName));
2596         break;
2597     }
2598     if (ret)
2599     {
2600         msc_dbg->module->module.CVSig = *signature;
2601         memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
2602                sizeof(msc_dbg->module->module.CVData));
2603     }
2604     return ret;
2605 }
2606
2607 /*========================================================================
2608  * Process debug directory.
2609  */
2610 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2611                              const BYTE* mapping,
2612                              const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2613                              const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2614 {
2615     BOOL                        ret;
2616     int                         i;
2617     struct msc_debug_info       msc_dbg;
2618
2619     msc_dbg.module = module;
2620     msc_dbg.nsect  = nsect;
2621     msc_dbg.sectp  = sectp;
2622     msc_dbg.nomap  = 0;
2623     msc_dbg.omapp  = NULL;
2624
2625     __TRY
2626     {
2627         ret = FALSE;
2628
2629         /* First, watch out for OMAP data */
2630         for (i = 0; i < nDbg; i++)
2631         {
2632             if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2633             {
2634                 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2635                 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2636                 break;
2637             }
2638         }
2639
2640         /* Now, try to parse CodeView debug info */
2641         for (i = 0; i < nDbg; i++)
2642         {
2643             if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2644             {
2645                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2646                 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2647             }
2648         }
2649
2650         /* If not found, try to parse COFF debug info */
2651         for (i = 0; i < nDbg; i++)
2652         {
2653             if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2654             {
2655                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2656                 if ((ret = coff_process_info(&msc_dbg))) goto done;
2657             }
2658         }
2659     done:
2660          /* FIXME: this should be supported... this is the debug information for
2661           * functions compiled without a frame pointer (FPO = frame pointer omission)
2662           * the associated data helps finding out the relevant information
2663           */
2664         for (i = 0; i < nDbg; i++)
2665             if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2666                 FIXME("This guy has FPO information\n");
2667 #if 0
2668
2669 #define FRAME_FPO   0
2670 #define FRAME_TRAP  1
2671 #define FRAME_TSS   2
2672
2673 typedef struct _FPO_DATA
2674 {
2675         DWORD       ulOffStart;            /* offset 1st byte of function code */
2676         DWORD       cbProcSize;            /* # bytes in function */
2677         DWORD       cdwLocals;             /* # bytes in locals/4 */
2678         WORD        cdwParams;             /* # bytes in params/4 */
2679
2680         WORD        cbProlog : 8;          /* # bytes in prolog */
2681         WORD        cbRegs   : 3;          /* # regs saved */
2682         WORD        fHasSEH  : 1;          /* TRUE if SEH in func */
2683         WORD        fUseBP   : 1;          /* TRUE if EBP has been allocated */
2684         WORD        reserved : 1;          /* reserved for future use */
2685         WORD        cbFrame  : 2;          /* frame type */
2686 } FPO_DATA;
2687 #endif
2688
2689     }
2690     __EXCEPT_PAGE_FAULT
2691     {
2692         ERR("Got a page fault while loading symbols\n");
2693         ret = FALSE;
2694     }
2695     __ENDTRY
2696     return ret;
2697 }