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_unavailable,    /* location is not available */
 124                     loc_absolute,       /* offset is the location */
 125                     loc_register,       /* reg is the location */
 126                     loc_regrel,         /* [reg+offset] is the location */
 127                     loc_user,           /* value is debug information dependent,
 128                                            reg & offset can be used ad libidem */
 129 };
 130
 131 enum location_error {loc_err_internal = -1,     /* internal while computing */
 132                      loc_err_too_complex = -2,  /* couldn't compute location (even at runtime) */
 133                      loc_err_out_of_scope = -3, /* variable isn't available at current address */
 134                      loc_err_cant_read = -4,    /* couldn't read memory at given address */
 135                      loc_err_no_location = -5,  /* likely optimized away (by compiler) */
 136 };
 137
 138 struct location
 139 {
 140     unsigned            kind : 8,
 141                         reg;
 142     unsigned long       offset;
 143 };
 144
 145 struct symt
 146 {
 147     enum SymTagEnum             tag;
 148 };
 149
 150 struct symt_ht
 151 {
 152     struct symt                 symt;
 153     struct hash_table_elt       hash_elt;        /* if global symbol or type */
 154 };
 155
 156 /* lexical tree */
 157 struct symt_block
 158 {
 159     struct symt                 symt;
 160     unsigned long               address;
 161     unsigned long               size;
 162     struct symt*                container;      /* block, or func */
 163     struct vector               vchildren;      /* sub-blocks & local variables */
 164 };
 165
 166 struct symt_compiland
 167 {
 168     struct symt                 symt;
 169     unsigned long               address;
 170     unsigned                    source;
 171     struct vector               vchildren;      /* global variables & functions */
 172 };
 173
 174 struct symt_data
 175 {
 176     struct symt                 symt;
 177     struct hash_table_elt       hash_elt;       /* if global symbol */
 178     enum DataKind               kind;
 179     struct symt*                container;
 180     struct symt*                type;
 181     union                                       /* depends on kind */
 182     {
 183         /* DataIs{Global, FileStatic}:
 184          *      loc.kind is loc_absolute
 185          *      loc.offset is address
 186          * DataIs{Local,Param}:
 187          *      with loc.kind
 188          *              loc_absolute    not supported
 189          *              loc_register    location is in register loc.reg
 190          *              loc_regrel      location is at address loc.reg + loc.offset
 191          *              >= loc_user     ask debug info provider for resolution
 192          */
 193         struct location         var;
 194         /* DataIs{Member} (all values are in bits, not bytes) */
 195         struct
 196         {
 197             long                        offset;
 198             unsigned long               length;
 199         } member;
 200         /* DataIsConstant */
 201         VARIANT                 value;
 202     } u;
 203 };
 204
 205 struct symt_function
 206 {
 207     struct symt                 symt;
 208     struct hash_table_elt       hash_elt;       /* if global symbol */
 209     unsigned long               address;
 210     struct symt*                container;      /* compiland */
 211     struct symt*                type;           /* points to function_signature */
 212     unsigned long               size;
 213     struct vector               vlines;
 214     struct vector               vchildren;      /* locals, params, blocks, start/end, labels */
 215 };
 216
 217 struct symt_hierarchy_point
 218 {
 219     struct symt                 symt;           /* either SymTagFunctionDebugStart, SymTagFunctionDebugEnd, SymTagLabel */
 220     struct hash_table_elt       hash_elt;       /* if label (and in compiland's hash table if global) */
 221     struct symt*                parent;         /* symt_function or symt_compiland */
 222     struct location             loc;
 223 };
 224
 225 struct symt_public
 226 {
 227     struct symt                 symt;
 228     struct hash_table_elt       hash_elt;
 229     struct symt*                container;      /* compiland */
 230     unsigned long               address;
 231     unsigned long               size;
 232 };
 233
 234 struct symt_thunk
 235 {
 236     struct symt                 symt;
 237     struct hash_table_elt       hash_elt;
 238     struct symt*                container;      /* compiland */
 239     unsigned long               address;
 240     unsigned long               size;
 241     THUNK_ORDINAL               ordinal;        /* FIXME: doesn't seem to be accessible */
 242 };
 243
 244 /* class tree */
 245 struct symt_array
 246 {
 247     struct symt                 symt;
 248     int                         start;
 249     int                         end;            /* end index if > 0, or -array_len (in bytes) if < 0 */
 250     struct symt*                base_type;
 251     struct symt*                index_type;
 252 };
 253
 254 struct symt_basic
 255 {
 256     struct symt                 symt;
 257     struct hash_table_elt       hash_elt;
 258     enum BasicType              bt;
 259     unsigned long               size;
 260 };
 261
 262 struct symt_enum
 263 {
 264     struct symt                 symt;
 265     struct symt*                base_type;
 266     const char*                 name;
 267     struct vector               vchildren;
 268 };
 269
 270 struct symt_function_signature
 271 {
 272     struct symt                 symt;
 273     struct symt*                rettype;
 274     struct vector               vchildren;
 275     enum CV_call_e              call_conv;
 276 };
 277
 278 struct symt_function_arg_type
 279 {
 280     struct symt                 symt;
 281     struct symt*                arg_type;
 282     struct symt*                container;
 283 };
 284
 285 struct symt_pointer
 286 {
 287     struct symt                 symt;
 288     struct symt*                pointsto;
 289 };
 290
 291 struct symt_typedef
 292 {
 293     struct symt                 symt;
 294     struct hash_table_elt       hash_elt;
 295     struct symt*                type;
 296 };
 297
 298 struct symt_udt
 299 {
 300     struct symt                 symt;
 301     struct hash_table_elt       hash_elt;
 302     enum UdtKind                kind;
 303     int                         size;
 304     struct vector               vchildren;
 305 };
 306
 307 enum module_type
 308 {
 309     DMT_UNKNOWN,        /* for lookup, not actually used for a module */
 310     DMT_ELF,            /* a real ELF shared module */
 311     DMT_PE,             /* a native or builtin PE module */
 312     DMT_MACHO,          /* a real Mach-O shared module */
 313     DMT_PDB,            /* .PDB file */
 314     DMT_DBG,            /* .DBG file */
 315 };
 316
 317 struct process;
 318 struct module;
 319
 320 /* a module can be made of several debug information formats, so we have to
 321  * support them all
 322  */
 323 enum format_info
 324 {
 325     DFI_ELF,
 326     DFI_PE,
 327     DFI_MACHO,
 328     DFI_DWARF,
 329     DFI_LAST
 330 };
 331
 332 struct module_format
 333 {
 334     struct module*              module;
 335     void                        (*remove)(struct process* pcs, struct module_format* modfmt);
 336     void                        (*loc_compute)(struct process* pcs,
 337                                                const struct module_format* modfmt,
 338                                                const struct symt_function* func,
 339                                                struct location* loc);
 340     union
 341     {
 342         struct elf_module_info*         elf_info;
 343         struct dwarf2_module_info_s*    dwarf2_info;
 344         struct pe_module_info*          pe_info;
 345         struct macho_module_info*       macho_info;
 346     } u;
 347 };
 348
 349 struct module
 350 {
 351     struct process*             process;
 352     IMAGEHLP_MODULEW64          module;
 353     /* ANSI copy of module.ModuleName for efficiency */
 354     char                        module_name[MAX_PATH];
 355     struct module*              next;
 356     enum module_type            type : 16;
 357     unsigned short              is_virtual : 1;
 358     DWORD64                     reloc_delta;
 359
 360     /* specific information for debug types */
 361     struct module_format*       format_info[DFI_LAST];
 362
 363     /* memory allocation pool */
 364     struct pool                 pool;
 365
 366     /* symbols & symbol tables */
 367     struct vector               vsymt;
 368     int                         sortlist_valid;
 369     unsigned                    num_sorttab;    /* number of symbols with addresses */
 370     unsigned                    num_symbols;
 371     unsigned                    sorttab_size;
 372     struct symt_ht**            addr_sorttab;
 373     struct hash_table           ht_symbols;
 374
 375     /* types */
 376     struct hash_table           ht_types;
 377     struct vector               vtypes;
 378
 379     /* source files */
 380     unsigned                    sources_used;
 381     unsigned                    sources_alloc;
 382     char*                       sources;
 383 };
 384
 385 struct process
 386 {
 387     struct process*             next;
 388     HANDLE                      handle;
 389     WCHAR*                      search_path;
 390
 391     PSYMBOL_REGISTERED_CALLBACK64       reg_cb;
 392     PSYMBOL_REGISTERED_CALLBACK reg_cb32;
 393     BOOL                        reg_is_unicode;
 394     DWORD64                     reg_user;
 395
 396     struct module*              lmodules;
 397     unsigned long               dbg_hdr_addr;
 398
 399     IMAGEHLP_STACK_FRAME        ctx_frame;
 400
 401     unsigned                    buffer_size;
 402     void*                       buffer;
 403 };
 404
 405 struct line_info
 406 {
 407     unsigned long               is_first : 1,
 408                                 is_last : 1,
 409                                 is_source_file : 1,
 410                                 line_number;
 411     union
 412     {
 413         unsigned long               pc_offset;   /* if is_source_file isn't set */
 414         unsigned                    source_file; /* if is_source_file is set */
 415     } u;
 416 };
 417
 418 struct module_pair
 419 {
 420     struct process*             pcs;
 421     struct module*              requested; /* in:  to module_get_debug() */
 422     struct module*              effective; /* out: module with debug info */
 423 };
 424
 425 enum pdb_kind {PDB_JG, PDB_DS};
 426
 427 struct pdb_lookup
 428 {
 429     const char*                 filename;
 430     DWORD                       age;
 431     enum pdb_kind               kind;
 432     union
 433     {
 434         struct
 435         {
 436             DWORD               timestamp;
 437             struct PDB_JG_TOC*  toc;
 438         } jg;
 439         struct
 440         {
 441             GUID                guid;
 442             struct PDB_DS_TOC*  toc;
 443         } ds;
 444     } u;
 445 };
 446
 447 struct cpu_stack_walk
 448 {
 449     HANDLE                      hProcess;
 450     HANDLE                      hThread;
 451     BOOL                        is32;
 452     union
 453     {
 454         struct
 455         {
 456             PREAD_PROCESS_MEMORY_ROUTINE        f_read_mem;
 457             PTRANSLATE_ADDRESS_ROUTINE          f_xlat_adr;
 458             PFUNCTION_TABLE_ACCESS_ROUTINE      f_tabl_acs;
 459             PGET_MODULE_BASE_ROUTINE            f_modl_bas;
 460         } s32;
 461         struct
 462         {
 463             PREAD_PROCESS_MEMORY_ROUTINE64      f_read_mem;
 464             PTRANSLATE_ADDRESS_ROUTINE64        f_xlat_adr;
 465             PFUNCTION_TABLE_ACCESS_ROUTINE64    f_tabl_acs;
 466             PGET_MODULE_BASE_ROUTINE64          f_modl_bas;
 467         } s64;
 468     } u;
 469 };
 470
 471 enum cpu_addr {cpu_addr_pc, cpu_addr_stack, cpu_addr_frame};
 472 struct cpu
 473 {
 474     DWORD       machine;
 475     DWORD       word_size;
 476     /* address manipulation */
 477     unsigned    (*get_addr)(HANDLE hThread, const CONTEXT* ctx,
 478                             enum cpu_addr, ADDRESS64* addr);
 479
 480     /* stack manipulation */
 481     BOOL        (*stack_walk)(struct cpu_stack_walk* csw, LPSTACKFRAME64 frame, CONTEXT* context);
 482
 483     /* module manipulation */
 484     void*       (*find_runtime_function)(struct module*, DWORD64 addr);
 485
 486     /* dwarf dedicated information */
 487     unsigned    (*map_dwarf_register)(unsigned regno);
 488
 489     /* context related maniputation */
 490     void*       (*fetch_context_reg)(CONTEXT* context, unsigned regno, unsigned* size);
 491     const char* (*fetch_regname)(unsigned regno);
 492 };
 493
 494 extern struct cpu*      dbghelp_current_cpu;
 495
 496 /* dbghelp.c */
 497 extern struct process* process_find_by_handle(HANDLE hProcess);
 498 extern HANDLE hMsvcrt;
 499 extern BOOL         validate_addr64(DWORD64 addr);
 500 extern BOOL         pcs_callback(const struct process* pcs, ULONG action, void* data);
 501 extern void*        fetch_buffer(struct process* pcs, unsigned size);
 502 extern const char*  wine_dbgstr_addr(const ADDRESS64* addr);
 503 extern struct cpu*  cpu_find(DWORD);
 504
 505 /* crc32.c */
 506 extern DWORD calc_crc32(int fd);
 507
 508 typedef BOOL (*enum_modules_cb)(const WCHAR*, unsigned long addr, void* user);
 509
 510 /* elf_module.c */
 511 extern BOOL         elf_enum_modules(HANDLE hProc, enum_modules_cb, void*);
 512 extern BOOL         elf_fetch_file_info(const WCHAR* name, DWORD* base, DWORD* size, DWORD* checksum);
 513 struct image_file_map;
 514 extern BOOL         elf_load_debug_info(struct module* module, struct image_file_map* fmap);
 515 extern struct module*
 516                     elf_load_module(struct process* pcs, const WCHAR* name, unsigned long);
 517 extern BOOL         elf_read_wine_loader_dbg_info(struct process* pcs);
 518 extern BOOL         elf_synchronize_module_list(struct process* pcs);
 519 struct elf_thunk_area;
 520 extern int          elf_is_in_thunk_area(unsigned long addr, const struct elf_thunk_area* thunks);
 521
 522 /* macho_module.c */
 523 #define MACHO_NO_MAP    ((const void*)-1)
 524 extern BOOL         macho_enum_modules(HANDLE hProc, enum_modules_cb, void*);
 525 extern BOOL         macho_fetch_file_info(const WCHAR* name, DWORD* base, DWORD* size, DWORD* checksum);
 526 struct macho_file_map;
 527 extern BOOL         macho_load_debug_info(struct module* module, struct macho_file_map* fmap);
 528 extern struct module*
 529                     macho_load_module(struct process* pcs, const WCHAR* name, unsigned long);
 530 extern BOOL         macho_read_wine_loader_dbg_info(struct process* pcs);
 531 extern BOOL         macho_synchronize_module_list(struct process* pcs);
 532
 533 /* module.c */
 534 extern const WCHAR      S_ElfW[];
 535 extern const WCHAR      S_WineLoaderW[];
 536 extern const WCHAR      S_WineW[];
 537 extern const WCHAR      S_SlashW[];
 538
 539 extern struct module*
 540                     module_find_by_addr(const struct process* pcs, unsigned long addr,
 541                                         enum module_type type);
 542 extern struct module*
 543                     module_find_by_nameA(const struct process* pcs,
 544                                          const char* name);
 545 extern struct module*
 546                     module_is_already_loaded(const struct process* pcs,
 547                                              const WCHAR* imgname);
 548 extern BOOL         module_get_debug(struct module_pair*);
 549 extern struct module*
 550                     module_new(struct process* pcs, const WCHAR* name,
 551                                enum module_type type, BOOL virtual,
 552                                DWORD64 addr, DWORD64 size,
 553                                unsigned long stamp, unsigned long checksum);
 554 extern struct module*
 555                     module_get_containee(const struct process* pcs,
 556                                          const struct module* inner);
 557 extern enum module_type
 558                     module_get_type_by_name(const WCHAR* name);
 559 extern void         module_reset_debug_info(struct module* module);
 560 extern BOOL         module_remove(struct process* pcs,
 561                                   struct module* module);
 562 extern void         module_set_module(struct module* module, const WCHAR* name);
 563
 564 /* msc.c */
 565 extern BOOL         pe_load_debug_directory(const struct process* pcs,
 566                                             struct module* module,
 567                                             const BYTE* mapping,
 568                                             const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
 569                                             const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg);
 570 extern BOOL         pdb_fetch_file_info(struct pdb_lookup* pdb_lookup);
 571
 572 /* path.c */
 573 extern BOOL         path_find_symbol_file(const struct process* pcs, PCSTR full_path,
 574                                           const GUID* guid, DWORD dw1, DWORD dw2, PSTR buffer,
 575                                           BOOL* is_unmatched);
 576
 577 /* pe_module.c */
 578 extern BOOL         pe_load_nt_header(HANDLE hProc, DWORD64 base, IMAGE_NT_HEADERS* nth);
 579 extern struct module*
 580                     pe_load_native_module(struct process* pcs, const WCHAR* name,
 581                                           HANDLE hFile, DWORD base, DWORD size);
 582 extern struct module*
 583                     pe_load_builtin_module(struct process* pcs, const WCHAR* name,
 584                                            DWORD64 base, DWORD64 size);
 585 extern BOOL         pe_load_debug_info(const struct process* pcs,
 586                                        struct module* module);
 587 extern const char*  pe_map_directory(struct module* module, int dirno, DWORD* size);
 588 extern void         pe_unmap_directoy(struct module* module, int dirno);
 589
 590 /* source.c */
 591 extern unsigned     source_new(struct module* module, const char* basedir, const char* source);
 592 extern const char*  source_get(const struct module* module, unsigned idx);
 593
 594 /* stabs.c */
 595 typedef void (*stabs_def_cb)(struct module* module, unsigned long load_offset,
 596                                 const char* name, unsigned long offset,
 597                                 BOOL is_public, BOOL is_global, unsigned char other,
 598                                 struct symt_compiland* compiland, void* user);
 599 extern BOOL         stabs_parse(struct module* module, unsigned long load_offset,
 600                                 const void* stabs, int stablen,
 601                                 const char* strs, int strtablen,
 602                                 stabs_def_cb callback, void* user);
 603
 604 /* dwarf.c */
 605 extern BOOL         dwarf2_parse(struct module* module, unsigned long load_offset,
 606                                  const struct elf_thunk_area* thunks,
 607                                  struct image_file_map* fmap);
 608 extern BOOL         dwarf2_virtual_unwind(struct cpu_stack_walk* csw, DWORD_PTR ip,
 609                                           CONTEXT* context, ULONG_PTR* cfa);
 610
 611 /* stack.c */
 612 extern BOOL         sw_read_mem(struct cpu_stack_walk* csw, DWORD64 addr, void* ptr, DWORD sz);
 613 extern DWORD64      sw_xlat_addr(struct cpu_stack_walk* csw, ADDRESS64* addr);
 614 extern void*        sw_table_access(struct cpu_stack_walk* csw, DWORD64 addr);
 615 extern DWORD64      sw_module_base(struct cpu_stack_walk* csw, DWORD64 addr);
 616
 617 /* symbol.c */
 618 extern const char*  symt_get_name(const struct symt* sym);
 619 extern struct module* symt_cmp_addr_module;
 620 extern int          symt_cmp_addr(const void* p1, const void* p2);
 621 extern void         copy_symbolW(SYMBOL_INFOW* siw, const SYMBOL_INFO* si);
 622 extern struct symt_ht*
 623                     symt_find_nearest(struct module* module, DWORD_PTR addr);
 624 extern struct symt_compiland*
 625                     symt_new_compiland(struct module* module, unsigned long address,
 626                                        unsigned src_idx);
 627 extern struct symt_public*
 628                     symt_new_public(struct module* module,
 629                                     struct symt_compiland* parent,
 630                                     const char* typename,
 631                                     unsigned long address, unsigned size);
 632 extern struct symt_data*
 633                     symt_new_global_variable(struct module* module,
 634                                              struct symt_compiland* parent,
 635                                              const char* name, unsigned is_static,
 636                                              unsigned long addr, unsigned long size,
 637                                              struct symt* type);
 638 extern struct symt_function*
 639                     symt_new_function(struct module* module,
 640                                       struct symt_compiland* parent,
 641                                       const char* name,
 642                                       unsigned long addr, unsigned long size,
 643                                       struct symt* type);
 644 extern BOOL         symt_normalize_function(struct module* module,
 645                                             const struct symt_function* func);
 646 extern void         symt_add_func_line(struct module* module,
 647                                        struct symt_function* func,
 648                                        unsigned source_idx, int line_num,
 649                                        unsigned long offset);
 650 extern struct symt_data*
 651                     symt_add_func_local(struct module* module,
 652                                         struct symt_function* func,
 653                                         enum DataKind dt, const struct location* loc,
 654                                         struct symt_block* block,
 655                                         struct symt* type, const char* name);
 656 extern struct symt_block*
 657                     symt_open_func_block(struct module* module,
 658                                          struct symt_function* func,
 659                                          struct symt_block* block,
 660                                          unsigned pc, unsigned len);
 661 extern struct symt_block*
 662                     symt_close_func_block(struct module* module,
 663                                           const struct symt_function* func,
 664                                           struct symt_block* block, unsigned pc);
 665 extern struct symt_hierarchy_point*
 666                     symt_add_function_point(struct module* module,
 667                                             struct symt_function* func,
 668                                             enum SymTagEnum point,
 669                                             const struct location* loc,
 670                                             const char* name);
 671 extern BOOL         symt_fill_func_line_info(const struct module* module,
 672                                              const struct symt_function* func,
 673                                              DWORD64 addr, IMAGEHLP_LINE64* line);
 674 extern BOOL         symt_get_func_line_next(const struct module* module, PIMAGEHLP_LINE64 line);
 675 extern struct symt_thunk*
 676                     symt_new_thunk(struct module* module,
 677                                    struct symt_compiland* parent,
 678                                    const char* name, THUNK_ORDINAL ord,
 679                                    unsigned long addr, unsigned long size);
 680 extern struct symt_data*
 681                     symt_new_constant(struct module* module,
 682                                       struct symt_compiland* parent,
 683                                       const char* name, struct symt* type,
 684                                       const VARIANT* v);
 685 extern struct symt_hierarchy_point*
 686                     symt_new_label(struct module* module,
 687                                    struct symt_compiland* compiland,
 688                                    const char* name, unsigned long address);
 689 extern struct symt* symt_index2ptr(struct module* module, DWORD id);
 690 extern DWORD        symt_ptr2index(struct module* module, const struct symt* sym);
 691
 692 /* type.c */
 693 extern void         symt_init_basic(struct module* module);
 694 extern BOOL         symt_get_info(struct module* module, const struct symt* type,
 695                                   IMAGEHLP_SYMBOL_TYPE_INFO req, void* pInfo);
 696 extern struct symt_basic*
 697                     symt_new_basic(struct module* module, enum BasicType,
 698                                    const char* typename, unsigned size);
 699 extern struct symt_udt*
 700                     symt_new_udt(struct module* module, const char* typename,
 701                                  unsigned size, enum UdtKind kind);
 702 extern BOOL         symt_set_udt_size(struct module* module,
 703                                       struct symt_udt* type, unsigned size);
 704 extern BOOL         symt_add_udt_element(struct module* module,
 705                                          struct symt_udt* udt_type,
 706                                          const char* name,
 707                                          struct symt* elt_type, unsigned offset,
 708                                          unsigned size);
 709 extern struct symt_enum*
 710                     symt_new_enum(struct module* module, const char* typename,
 711                                   struct symt* basetype);
 712 extern BOOL         symt_add_enum_element(struct module* module,
 713                                           struct symt_enum* enum_type,
 714                                           const char* name, int value);
 715 extern struct symt_array*
 716                     symt_new_array(struct module* module, int min, int max,
 717                                    struct symt* base, struct symt* index);
 718 extern struct symt_function_signature*
 719                     symt_new_function_signature(struct module* module,
 720                                                 struct symt* ret_type,
 721                                                 enum CV_call_e call_conv);
 722 extern BOOL         symt_add_function_signature_parameter(struct module* module,
 723                                                           struct symt_function_signature* sig,
 724                                                           struct symt* param);
 725 extern struct symt_pointer*
 726                     symt_new_pointer(struct module* module,
 727                                      struct symt* ref_type);
 728 extern struct symt_typedef*
 729                     symt_new_typedef(struct module* module, struct symt* ref,
 730                                      const char* name);