dlls/dbghelp/dbghelp_private.h

   1 /*
   2  * File dbghelp_private.h - dbghelp internal definitions
   3  *
   4  * Copyright (C) 1995, Alexandre Julliard
   5  * Copyright (C) 1996, Eric Youngdale.
   6  * Copyright (C) 1999-2000, Ulrich Weigand.
   7  * Copyright (C) 2004-2007, 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 #include <stdarg.h>
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winver.h"
  28 #include "dbghelp.h"
  29 #include "objbase.h"
  30 #include "oaidl.h"
  31 #include "winnls.h"
  32 #include "wine/list.h"
  33 #include "wine/unicode.h"
  34
  35 #include "cvconst.h"
  36
  37 /* #define USE_STATS */
  38
  39 struct pool /* poor's man */
  40 {
  41     struct list arena_list;
  42     struct list arena_full;
  43     size_t      arena_size;
  44 };
  45
  46 void     pool_init(struct pool* a, size_t arena_size);
  47 void     pool_destroy(struct pool* a);
  48 void*    pool_alloc(struct pool* a, size_t len);
  49 char*    pool_strdup(struct pool* a, const char* str);
  50
  51 struct vector
  52 {
  53     void**      buckets;
  54     unsigned    elt_size;
  55     unsigned    shift;
  56     unsigned    num_elts;
  57     unsigned    num_buckets;
  58     unsigned    buckets_allocated;
  59 };
  60
  61 void     vector_init(struct vector* v, unsigned elt_sz, unsigned bucket_sz);
  62 unsigned vector_length(const struct vector* v);
  63 void*    vector_at(const struct vector* v, unsigned pos);
  64 void*    vector_add(struct vector* v, struct pool* pool);
  65
  66 struct sparse_array
  67 {
  68     struct vector               key2index;
  69     struct vector               elements;
  70 };
  71
  72 void     sparse_array_init(struct sparse_array* sa, unsigned elt_sz, unsigned bucket_sz);
  73 void*    sparse_array_find(const struct sparse_array* sa, unsigned long idx);
  74 void*    sparse_array_add(struct sparse_array* sa, unsigned long key, struct pool* pool);
  75 unsigned sparse_array_length(const struct sparse_array* sa);
  76
  77 struct hash_table_elt
  78 {
  79     const char*                 name;
  80     struct hash_table_elt*      next;
  81 };
  82
  83 struct hash_table_bucket
  84 {
  85     struct hash_table_elt*      first;
  86     struct hash_table_elt*      last;
  87 };
  88
  89 struct hash_table
  90 {
  91     unsigned                    num_elts;
  92     unsigned                    num_buckets;
  93     struct hash_table_bucket*   buckets;
  94     struct pool*                pool;
  95 };
  96
  97 void     hash_table_init(struct pool* pool, struct hash_table* ht,
  98                          unsigned num_buckets);
  99 void     hash_table_destroy(struct hash_table* ht);
 100 void     hash_table_add(struct hash_table* ht, struct hash_table_elt* elt);
 101
 102 struct hash_table_iter
 103 {
 104     const struct hash_table*    ht;
 105     struct hash_table_elt*      element;
 106     int                         index;
 107     int                         last;
 108 };
 109
 110 void     hash_table_iter_init(const struct hash_table* ht,
 111                               struct hash_table_iter* hti, const char* name);
 112 void*    hash_table_iter_up(struct hash_table_iter* hti);
 113
 114 #define GET_ENTRY(__i, __t, __f) \
 115     ((__t*)((char*)(__i) - FIELD_OFFSET(__t,__f)))
 116
 117
 118 extern unsigned dbghelp_options;
 119 /* some more Wine extensions */
 120 #define SYMOPT_WINE_WITH_NATIVE_MODULES 0x40000000
 121
 122 enum location_kind {loc_error,          /* reg is the error code */
 123                     loc_absolute,       /* offset is the location */
 124                     loc_register,       /* reg is the location */
 125                     loc_regrel,         /* [reg+offset] is the location */
 126                     loc_user,           /* value is debug information dependent,
 127                                            reg & offset can be used ad libidem */
 128 };
 129
 130 enum location_error {loc_err_internal = -1,     /* internal while computing */
 131                      loc_err_too_complex = -2,  /* couldn't compute location (even at runtime) */
 132                      loc_err_out_of_scope = -3, /* variable isn't available at current address */
 133                      loc_err_cant_read = -4,    /* couldn't read memory at given address */
 134 };
 135
 136 struct location
 137 {
 138     unsigned            kind : 8,
 139                         reg;
 140     unsigned long       offset;
 141 };
 142
 143 struct symt
 144 {
 145     enum SymTagEnum             tag;
 146 };
 147
 148 struct symt_ht
 149 {
 150     struct symt                 symt;
 151     struct hash_table_elt       hash_elt;        /* if global symbol or type */
 152 };
 153
 154 /* lexical tree */
 155 struct symt_block
 156 {
 157     struct symt                 symt;
 158     unsigned long               address;
 159     unsigned long               size;
 160     struct symt*                container;      /* block, or func */
 161     struct vector               vchildren;      /* sub-blocks & local variables */
 162 };
 163
 164 struct symt_compiland
 165 {
 166     struct symt                 symt;
 167     unsigned long               address;
 168     unsigned                    source;
 169     struct vector               vchildren;      /* global variables & functions */
 170 };
 171
 172 struct symt_data
 173 {
 174     struct symt                 symt;
 175     struct hash_table_elt       hash_elt;       /* if global symbol */
 176     enum DataKind               kind;
 177     struct symt*                container;
 178     struct symt*                type;
 179     union                                       /* depends on kind */
 180     {
 181         /* DataIs{Global, FileStatic}:
 182          *      loc.kind is loc_absolute
 183          *      loc.offset is address
 184          * DataIs{Local,Param}:
 185          *      with loc.kind
 186          *              loc_absolute    not supported
 187          *              loc_register    location is in register loc.reg
 188          *              loc_regrel      location is at address loc.reg + loc.offset
 189          *              >= loc_user     ask debug info provider for resolution
 190          */
 191         struct location         var;
 192         /* DataIs{Member} (all values are in bits, not bytes) */
 193         struct
 194         {
 195             long                        offset;
 196             unsigned long               length;
 197         } member;
 198         /* DataIsConstant */
 199         VARIANT                 value;
 200     } u;
 201 };
 202
 203 struct symt_function
 204 {
 205     struct symt                 symt;
 206     struct hash_table_elt       hash_elt;       /* if global symbol */
 207     unsigned long               address;
 208     struct symt*                container;      /* compiland */
 209     struct symt*                type;           /* points to function_signature */
 210     unsigned long               size;
 211     struct vector               vlines;
 212     struct vector               vchildren;      /* locals, params, blocks, start/end, labels */
 213 };
 214
 215 struct symt_hierarchy_point
 216 {
 217     struct symt                 symt;           /* either SymTagFunctionDebugStart, SymTagFunctionDebugEnd, SymTagLabel */
 218     struct hash_table_elt       hash_elt;       /* if label (and in compiland's hash table if global) */
 219     struct symt*                parent;         /* symt_function or symt_compiland */
 220     struct location             loc;
 221 };
 222
 223 struct symt_public
 224 {
 225     struct symt                 symt;
 226     struct hash_table_elt       hash_elt;
 227     struct symt*                container;      /* compiland */
 228     unsigned long               address;
 229     unsigned long               size;
 230 };
 231
 232 struct symt_thunk
 233 {
 234     struct symt                 symt;
 235     struct hash_table_elt       hash_elt;
 236     struct symt*                container;      /* compiland */
 237     unsigned long               address;
 238     unsigned long               size;
 239     THUNK_ORDINAL               ordinal;        /* FIXME: doesn't seem to be accessible */
 240 };
 241
 242 /* class tree */
 243 struct symt_array
 244 {
 245     struct symt                 symt;
 246     int                         start;
 247     int                         end;            /* end index if > 0, or -array_len (in bytes) if < 0 */
 248     struct symt*                base_type;
 249     struct symt*                index_type;
 250 };
 251
 252 struct symt_basic
 253 {
 254     struct symt                 symt;
 255     struct hash_table_elt       hash_elt;
 256     enum BasicType              bt;
 257     unsigned long               size;
 258 };
 259
 260 struct symt_enum
 261 {
 262     struct symt                 symt;
 263     struct symt*                base_type;
 264     const char*                 name;
 265     struct vector               vchildren;
 266 };
 267
 268 struct symt_function_signature
 269 {
 270     struct symt                 symt;
 271     struct symt*                rettype;
 272     struct vector               vchildren;
 273     enum CV_call_e              call_conv;
 274 };
 275
 276 struct symt_function_arg_type
 277 {
 278     struct symt                 symt;
 279     struct symt*                arg_type;
 280     struct symt*                container;
 281 };
 282
 283 struct symt_pointer
 284 {
 285     struct symt                 symt;
 286     struct symt*                pointsto;
 287 };
 288
 289 struct symt_typedef
 290 {
 291     struct symt                 symt;
 292     struct hash_table_elt       hash_elt;
 293     struct symt*                type;
 294 };
 295
 296 struct symt_udt
 297 {
 298     struct symt                 symt;
 299     struct hash_table_elt       hash_elt;
 300     enum UdtKind                kind;
 301     int                         size;
 302     struct vector               vchildren;
 303 };
 304
 305 enum module_type
 306 {
 307     DMT_UNKNOWN,        /* for lookup, not actually used for a module */
 308     DMT_ELF,            /* a real ELF shared module */
 309     DMT_PE,             /* a native or builtin PE module */
 310     DMT_MACHO,          /* a real Mach-O shared module */
 311     DMT_PDB,            /* .PDB file */
 312     DMT_DBG,            /* .DBG file */
 313 };
 314
 315 struct process;
 316
 317 struct module
 318 {
 319     IMAGEHLP_MODULEW64          module;
 320     /* ANSI copy of module.ModuleName for efficiency */
 321     char                        module_name[MAX_PATH];
 322     struct module*              next;
 323     enum module_type            type : 16;
 324     unsigned short              is_virtual : 1;
 325
 326     /* specific information for debug types */
 327     struct elf_module_info*     elf_info;
 328     struct dwarf2_module_info_s*dwarf2_info;
 329
 330     struct macho_module_info*   macho_info;
 331
 332     /* memory allocation pool */
 333     struct pool                 pool;
 334
 335     /* symbols & symbol tables */
 336     struct vector               vsymt;
 337     int                         sortlist_valid;
 338     unsigned                    num_sorttab;    /* number of symbols with addresses */
 339     unsigned                    num_symbols;
 340     unsigned                    sorttab_size;
 341     struct symt_ht**            addr_sorttab;
 342     struct hash_table           ht_symbols;
 343     void                        (*loc_compute)(struct process* pcs,
 344                                                const struct module* module,
 345                                                const struct symt_function* func,
 346                                                struct location* loc);
 347
 348     /* types */
 349     struct hash_table           ht_types;
 350     struct vector               vtypes;
 351
 352     /* source files */
 353     unsigned                    sources_used;
 354     unsigned                    sources_alloc;
 355     char*                       sources;
 356 };
 357
 358 struct process
 359 {
 360     struct process*             next;
 361     HANDLE                      handle;
 362     WCHAR*                      search_path;
 363
 364     PSYMBOL_REGISTERED_CALLBACK64       reg_cb;
 365     PSYMBOL_REGISTERED_CALLBACK reg_cb32;
 366     BOOL                        reg_is_unicode;
 367     DWORD64                     reg_user;
 368
 369     struct module*              lmodules;
 370     unsigned long               dbg_hdr_addr;
 371
 372     IMAGEHLP_STACK_FRAME        ctx_frame;
 373
 374     unsigned                    buffer_size;
 375     void*                       buffer;
 376 };
 377
 378 struct line_info
 379 {
 380     unsigned long               is_first : 1,
 381                                 is_last : 1,
 382                                 is_source_file : 1,
 383                                 line_number;
 384     union
 385     {
 386         unsigned long               pc_offset;   /* if is_source_file isn't set */
 387         unsigned                    source_file; /* if is_source_file is set */
 388     } u;
 389 };
 390
 391 struct module_pair
 392 {
 393     struct process*             pcs;
 394     struct module*              requested; /* in:  to module_get_debug() */
 395     struct module*              effective; /* out: module with debug info */
 396 };
 397
 398 enum pdb_kind {PDB_JG, PDB_DS};
 399
 400 struct pdb_lookup
 401 {
 402     const char*                 filename;
 403     DWORD                       age;
 404     enum pdb_kind               kind;
 405     union
 406     {
 407         struct
 408         {
 409             DWORD               timestamp;
 410             struct PDB_JG_TOC*  toc;
 411         } jg;
 412         struct
 413         {
 414             GUID                guid;
 415             struct PDB_DS_TOC*  toc;
 416         } ds;
 417     } u;
 418 };
 419
 420 struct cpu_stack_walk
 421 {
 422     HANDLE                      hProcess;
 423     HANDLE                      hThread;
 424     BOOL                        is32;
 425     union
 426     {
 427         struct
 428         {
 429             PREAD_PROCESS_MEMORY_ROUTINE        f_read_mem;
 430             PTRANSLATE_ADDRESS_ROUTINE          f_xlat_adr;
 431             PFUNCTION_TABLE_ACCESS_ROUTINE      f_tabl_acs;
 432             PGET_MODULE_BASE_ROUTINE            f_modl_bas;
 433         } s32;
 434         struct
 435         {
 436             PREAD_PROCESS_MEMORY_ROUTINE64      f_read_mem;
 437             PTRANSLATE_ADDRESS_ROUTINE64        f_xlat_adr;
 438             PFUNCTION_TABLE_ACCESS_ROUTINE64    f_tabl_acs;
 439             PGET_MODULE_BASE_ROUTINE64          f_modl_bas;
 440         } s64;
 441     } u;
 442 };
 443
 444 enum cpu_addr {cpu_addr_pc, cpu_addr_stack, cpu_addr_frame};
 445 struct cpu
 446 {
 447     DWORD       machine;
 448     DWORD       word_size;
 449     /* address manipulation */
 450     unsigned    (*get_addr)(HANDLE hThread, const CONTEXT* ctx,
 451                             enum cpu_addr, ADDRESS64* addr);
 452
 453     /* stack manipulation */
 454     BOOL        (*stack_walk)(struct cpu_stack_walk* csw, LPSTACKFRAME64 frame);
 455 };
 456
 457 extern struct cpu*      dbghelp_current_cpu;
 458
 459 /* dbghelp.c */
 460 extern struct process* process_find_by_handle(HANDLE hProcess);
 461 extern HANDLE hMsvcrt;
 462 extern BOOL         validate_addr64(DWORD64 addr);
 463 extern BOOL         pcs_callback(const struct process* pcs, ULONG action, void* data);
 464 extern void*        fetch_buffer(struct process* pcs, unsigned size);
 465 extern const char*  wine_dbgstr_addr(const ADDRESS64* addr);
 466 extern struct cpu*  cpu_find(DWORD);
 467
 468 /* crc32.c */
 469 extern DWORD calc_crc32(int fd);
 470
 471 typedef BOOL (*enum_modules_cb)(const WCHAR*, unsigned long addr, void* user);
 472
 473 /* elf_module.c */
 474 #define ELF_NO_MAP      ((const void*)-1)
 475 extern BOOL         elf_enum_modules(HANDLE hProc, enum_modules_cb, void*);
 476 extern BOOL         elf_fetch_file_info(const WCHAR* name, DWORD* base, DWORD* size, DWORD* checksum);
 477 struct elf_file_map;
 478 extern BOOL         elf_load_debug_info(struct module* module, struct elf_file_map* fmap);
 479 extern struct module*
 480                     elf_load_module(struct process* pcs, const WCHAR* name, unsigned long);
 481 extern BOOL         elf_read_wine_loader_dbg_info(struct process* pcs);
 482 extern BOOL         elf_synchronize_module_list(struct process* pcs);
 483 struct elf_thunk_area;
 484 extern int          elf_is_in_thunk_area(unsigned long addr, const struct elf_thunk_area* thunks);
 485
 486 /* macho_module.c */
 487 #define MACHO_NO_MAP    ((const void*)-1)
 488 extern BOOL         macho_enum_modules(HANDLE hProc, enum_modules_cb, void*);
 489 extern BOOL         macho_fetch_file_info(const WCHAR* name, DWORD* base, DWORD* size, DWORD* checksum);
 490 struct macho_file_map;
 491 extern BOOL         macho_load_debug_info(struct module* module, struct macho_file_map* fmap);
 492 extern struct module*
 493                     macho_load_module(struct process* pcs, const WCHAR* name, unsigned long);
 494 extern BOOL         macho_read_wine_loader_dbg_info(struct process* pcs);
 495 extern BOOL         macho_synchronize_module_list(struct process* pcs);
 496
 497 /* module.c */
 498 extern const WCHAR      S_ElfW[];
 499 extern const WCHAR      S_WineLoaderW[];
 500 extern const WCHAR      S_WineW[];
 501 extern const WCHAR      S_SlashW[];
 502
 503 extern struct module*
 504                     module_find_by_addr(const struct process* pcs, unsigned long addr,
 505                                         enum module_type type);
 506 extern struct module*
 507                     module_find_by_nameA(const struct process* pcs,
 508                                          const char* name);
 509 extern struct module*
 510                     module_is_already_loaded(const struct process* pcs,
 511                                              const WCHAR* imgname);
 512 extern BOOL         module_get_debug(struct module_pair*);
 513 extern struct module*
 514                     module_new(struct process* pcs, const WCHAR* name,
 515                                enum module_type type, BOOL virtual,
 516                                DWORD64 addr, DWORD64 size,
 517                                unsigned long stamp, unsigned long checksum);
 518 extern struct module*
 519                     module_get_containee(const struct process* pcs,
 520                                          const struct module* inner);
 521 extern enum module_type
 522                     module_get_type_by_name(const WCHAR* name);
 523 extern void         module_reset_debug_info(struct module* module);
 524 extern BOOL         module_remove(struct process* pcs,
 525                                   struct module* module);
 526 extern void         module_set_module(struct module* module, const WCHAR* name);
 527
 528 /* msc.c */
 529 extern BOOL         pe_load_debug_directory(const struct process* pcs,
 530                                             struct module* module,
 531                                             const BYTE* mapping,
 532                                             const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
 533                                             const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg);
 534 extern BOOL         pdb_fetch_file_info(struct pdb_lookup* pdb_lookup);
 535
 536 /* path.c */
 537 extern BOOL         path_find_symbol_file(const struct process* pcs, PCSTR full_path,
 538                                           const GUID* guid, DWORD dw1, DWORD dw2, PSTR buffer,
 539                                           BOOL* is_unmatched);
 540
 541 /* pe_module.c */
 542 extern BOOL         pe_load_nt_header(HANDLE hProc, DWORD64 base, IMAGE_NT_HEADERS* nth);
 543 extern struct module*
 544                     pe_load_native_module(struct process* pcs, const WCHAR* name,
 545                                           HANDLE hFile, DWORD base, DWORD size);
 546 extern struct module*
 547                     pe_load_builtin_module(struct process* pcs, const WCHAR* name,
 548                                            DWORD64 base, DWORD64 size);
 549 extern BOOL         pe_load_debug_info(const struct process* pcs,
 550                                        struct module* module);
 551 /* source.c */
 552 extern unsigned     source_new(struct module* module, const char* basedir, const char* source);
 553 extern const char*  source_get(const struct module* module, unsigned idx);
 554
 555 /* stabs.c */
 556 typedef void (*stabs_def_cb)(struct module* module, unsigned long load_offset,
 557                                 const char* name, unsigned long offset,
 558                                 BOOL is_public, BOOL is_global, unsigned char other,
 559                                 struct symt_compiland* compiland, void* user);
 560 extern BOOL         stabs_parse(struct module* module, unsigned long load_offset,
 561                                 const void* stabs, int stablen,
 562                                 const char* strs, int strtablen,
 563                                 stabs_def_cb callback, void* user);
 564
 565 /* dwarf.c */
 566 extern BOOL         dwarf2_parse(struct module* module, unsigned long load_offset,
 567                                  const struct elf_thunk_area* thunks,
 568                                  const unsigned char* debug, unsigned int debug_size,
 569                                  const unsigned char* abbrev, unsigned int abbrev_size,
 570                                  const unsigned char* str, unsigned int str_size,
 571                                  const unsigned char* line, unsigned int line_size,
 572                                  const unsigned char* loclist, unsigned int loclist_size);
 573
 574 /* stack.c */
 575 extern BOOL         sw_read_mem(struct cpu_stack_walk* csw, DWORD64 addr, void* ptr, DWORD sz);
 576 extern DWORD64      sw_xlat_addr(struct cpu_stack_walk* csw, ADDRESS64* addr);
 577 extern void*        sw_table_access(struct cpu_stack_walk* csw, DWORD64 addr);
 578 extern DWORD64      sw_module_base(struct cpu_stack_walk* csw, DWORD64 addr);
 579
 580 /* symbol.c */
 581 extern const char*  symt_get_name(const struct symt* sym);
 582 extern struct module* symt_cmp_addr_module;
 583 extern int          symt_cmp_addr(const void* p1, const void* p2);
 584 extern void         copy_symbolW(SYMBOL_INFOW* siw, const SYMBOL_INFO* si);
 585 extern struct symt_ht*
 586                     symt_find_nearest(struct module* module, DWORD_PTR addr);
 587 extern struct symt_compiland*
 588                     symt_new_compiland(struct module* module, unsigned long address,
 589                                        unsigned src_idx);
 590 extern struct symt_public*
 591                     symt_new_public(struct module* module,
 592                                     struct symt_compiland* parent,
 593                                     const char* typename,
 594                                     unsigned long address, unsigned size);
 595 extern struct symt_data*
 596                     symt_new_global_variable(struct module* module,
 597                                              struct symt_compiland* parent,
 598                                              const char* name, unsigned is_static,
 599                                              unsigned long addr, unsigned long size,
 600                                              struct symt* type);
 601 extern struct symt_function*
 602                     symt_new_function(struct module* module,
 603                                       struct symt_compiland* parent,
 604                                       const char* name,
 605                                       unsigned long addr, unsigned long size,
 606                                       struct symt* type);
 607 extern BOOL         symt_normalize_function(struct module* module,
 608                                             const struct symt_function* func);
 609 extern void         symt_add_func_line(struct module* module,
 610                                        struct symt_function* func,
 611                                        unsigned source_idx, int line_num,
 612                                        unsigned long offset);
 613 extern struct symt_data*
 614                     symt_add_func_local(struct module* module,
 615                                         struct symt_function* func,
 616                                         enum DataKind dt, const struct location* loc,
 617                                         struct symt_block* block,
 618                                         struct symt* type, const char* name);
 619 extern struct symt_block*
 620                     symt_open_func_block(struct module* module,
 621                                          struct symt_function* func,
 622                                          struct symt_block* block,
 623                                          unsigned pc, unsigned len);
 624 extern struct symt_block*
 625                     symt_close_func_block(struct module* module,
 626                                           const struct symt_function* func,
 627                                           struct symt_block* block, unsigned pc);
 628 extern struct symt_hierarchy_point*
 629                     symt_add_function_point(struct module* module,
 630                                             struct symt_function* func,
 631                                             enum SymTagEnum point,
 632                                             const struct location* loc,
 633                                             const char* name);
 634 extern BOOL         symt_fill_func_line_info(const struct module* module,
 635                                              const struct symt_function* func,
 636                                              DWORD64 addr, IMAGEHLP_LINE64* line);
 637 extern BOOL         symt_get_func_line_next(const struct module* module, PIMAGEHLP_LINE64 line);
 638 extern struct symt_thunk*
 639                     symt_new_thunk(struct module* module,
 640                                    struct symt_compiland* parent,
 641                                    const char* name, THUNK_ORDINAL ord,
 642                                    unsigned long addr, unsigned long size);
 643 extern struct symt_data*
 644                     symt_new_constant(struct module* module,
 645                                       struct symt_compiland* parent,
 646                                       const char* name, struct symt* type,
 647                                       const VARIANT* v);
 648 extern struct symt_hierarchy_point*
 649                     symt_new_label(struct module* module,
 650                                    struct symt_compiland* compiland,
 651                                    const char* name, unsigned long address);
 652 extern struct symt* symt_index2ptr(struct module* module, DWORD id);
 653 extern DWORD        symt_ptr2index(struct module* module, const struct symt* sym);
 654
 655 /* type.c */
 656 extern void         symt_init_basic(struct module* module);
 657 extern BOOL         symt_get_info(struct module* module, const struct symt* type,
 658                                   IMAGEHLP_SYMBOL_TYPE_INFO req, void* pInfo);
 659 extern struct symt_basic*
 660                     symt_new_basic(struct module* module, enum BasicType,
 661                                    const char* typename, unsigned size);
 662 extern struct symt_udt*
 663                     symt_new_udt(struct module* module, const char* typename,
 664                                  unsigned size, enum UdtKind kind);
 665 extern BOOL         symt_set_udt_size(struct module* module,
 666                                       struct symt_udt* type, unsigned size);
 667 extern BOOL         symt_add_udt_element(struct module* module,
 668                                          struct symt_udt* udt_type,
 669                                          const char* name,
 670                                          struct symt* elt_type, unsigned offset,
 671                                          unsigned size);
 672 extern struct symt_enum*
 673                     symt_new_enum(struct module* module, const char* typename,
 674                                   struct symt* basetype);
 675 extern BOOL         symt_add_enum_element(struct module* module,
 676                                           struct symt_enum* enum_type,
 677                                           const char* name, int value);
 678 extern struct symt_array*
 679                     symt_new_array(struct module* module, int min, int max,
 680                                    struct symt* base, struct symt* index);
 681 extern struct symt_function_signature*
 682                     symt_new_function_signature(struct module* module,
 683                                                 struct symt* ret_type,
 684                                                 enum CV_call_e call_conv);
 685 extern BOOL         symt_add_function_signature_parameter(struct module* module,
 686                                                           struct symt_function_signature* sig,
 687                                                           struct symt* param);
 688 extern struct symt_pointer*
 689                     symt_new_pointer(struct module* module,
 690                                      struct symt* ref_type);
 691 extern struct symt_typedef*
 692                     symt_new_typedef(struct module* module, struct symt* ref,
 693                                      const char* name);