dll/win32/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 #define WIN32_NO_STATUS
  25 #define _INC_WINDOWS
  26 #define COM_NO_WINDOWS_H
  27
  28 #include <stdarg.h>
  29
  30 #ifndef DBGHELP_STATIC_LIB
  31 #include <windef.h>
  32 #include <winbase.h>
  33 #include <winver.h>
  34 #include <dbghelp.h>
  35 #include <objbase.h>
  36 #include <cvconst.h>
  37 #include <wine/unicode.h>
  38 #else
  39 #include <string.h>
  40 #include "compat.h"
  41 #endif
  42
  43 //#include "oaidl.h"
  44 //#include "winnls.h"
  45 #include <wine/list.h>
  46 #include <wine/rbtree.h>
  47
  48
  49 /* #define USE_STATS */
  50
  51 struct pool /* poor's man */
  52 {
  53     struct list arena_list;
  54     struct list arena_full;
  55     size_t      arena_size;
  56 };
  57
  58 void     pool_init(struct pool* a, size_t arena_size) DECLSPEC_HIDDEN;
  59 void     pool_destroy(struct pool* a) DECLSPEC_HIDDEN;
  60 void*    pool_alloc(struct pool* a, size_t len) DECLSPEC_HIDDEN;
  61 char*    pool_strdup(struct pool* a, const char* str) DECLSPEC_HIDDEN;
  62
  63 struct vector
  64 {
  65     void**      buckets;
  66     unsigned    elt_size;
  67     unsigned    shift;
  68     unsigned    num_elts;
  69     unsigned    num_buckets;
  70     unsigned    buckets_allocated;
  71 };
  72
  73 void     vector_init(struct vector* v, unsigned elt_sz, unsigned bucket_sz) DECLSPEC_HIDDEN;
  74 unsigned vector_length(const struct vector* v) DECLSPEC_HIDDEN;
  75 void*    vector_at(const struct vector* v, unsigned pos) DECLSPEC_HIDDEN;
  76 void*    vector_add(struct vector* v, struct pool* pool) DECLSPEC_HIDDEN;
  77
  78 struct sparse_array
  79 {
  80     struct vector               key2index;
  81     struct vector               elements;
  82 };
  83
  84 void     sparse_array_init(struct sparse_array* sa, unsigned elt_sz, unsigned bucket_sz) DECLSPEC_HIDDEN;
  85 void*    sparse_array_find(const struct sparse_array* sa, unsigned long idx) DECLSPEC_HIDDEN;
  86 void*    sparse_array_add(struct sparse_array* sa, unsigned long key, struct pool* pool) DECLSPEC_HIDDEN;
  87 unsigned sparse_array_length(const struct sparse_array* sa) DECLSPEC_HIDDEN;
  88
  89 struct hash_table_elt
  90 {
  91     const char*                 name;
  92     struct hash_table_elt*      next;
  93 };
  94
  95 struct hash_table_bucket
  96 {
  97     struct hash_table_elt*      first;
  98     struct hash_table_elt*      last;
  99 };
 100
 101 struct hash_table
 102 {
 103     unsigned                    num_elts;
 104     unsigned                    num_buckets;
 105     struct hash_table_bucket*   buckets;
 106     struct pool*                pool;
 107 };
 108
 109 void     hash_table_init(struct pool* pool, struct hash_table* ht,
 110                          unsigned num_buckets) DECLSPEC_HIDDEN;
 111 void     hash_table_destroy(struct hash_table* ht) DECLSPEC_HIDDEN;
 112 void     hash_table_add(struct hash_table* ht, struct hash_table_elt* elt) DECLSPEC_HIDDEN;
 113
 114 struct hash_table_iter
 115 {
 116     const struct hash_table*    ht;
 117     struct hash_table_elt*      element;
 118     int                         index;
 119     int                         last;
 120 };
 121
 122 void     hash_table_iter_init(const struct hash_table* ht,
 123                               struct hash_table_iter* hti, const char* name) DECLSPEC_HIDDEN;
 124 void*    hash_table_iter_up(struct hash_table_iter* hti) DECLSPEC_HIDDEN;
 125
 126 #define GET_ENTRY(__i, __t, __f) \
 127     ((__t*)((char*)(__i) - FIELD_OFFSET(__t,__f)))
 128
 129
 130 extern unsigned dbghelp_options DECLSPEC_HIDDEN;
 131 /* some more Wine extensions */
 132 #define SYMOPT_WINE_WITH_NATIVE_MODULES 0x40000000
 133
 134 enum location_kind {loc_error,          /* reg is the error code */
 135                     loc_unavailable,    /* location is not available */
 136                     loc_absolute,       /* offset is the location */
 137                     loc_register,       /* reg is the location */
 138                     loc_regrel,         /* [reg+offset] is the location */
 139                     loc_tlsrel,         /* offset is the address of the TLS index */
 140                     loc_user,           /* value is debug information dependent,
 141                                            reg & offset can be used ad libidem */
 142 };
 143
 144 enum location_error {loc_err_internal = -1,     /* internal while computing */
 145                      loc_err_too_complex = -2,  /* couldn't compute location (even at runtime) */
 146                      loc_err_out_of_scope = -3, /* variable isn't available at current address */
 147                      loc_err_cant_read = -4,    /* couldn't read memory at given address */
 148                      loc_err_no_location = -5,  /* likely optimized away (by compiler) */
 149 };
 150
 151 struct location
 152 {
 153     unsigned            kind : 8,
 154                         reg;
 155     unsigned long       offset;
 156 };
 157
 158 struct symt
 159 {
 160     enum SymTagEnum             tag;
 161 };
 162
 163 struct symt_ht
 164 {
 165     struct symt                 symt;
 166     struct hash_table_elt       hash_elt;        /* if global symbol or type */
 167 };
 168
 169 /* lexical tree */
 170 struct symt_block
 171 {
 172     struct symt                 symt;
 173     unsigned long               address;
 174     unsigned long               size;
 175     struct symt*                container;      /* block, or func */
 176     struct vector               vchildren;      /* sub-blocks & local variables */
 177 };
 178
 179 struct symt_compiland
 180 {
 181     struct symt                 symt;
 182     unsigned long               address;
 183     unsigned                    source;
 184     struct vector               vchildren;      /* global variables & functions */
 185 };
 186
 187 struct symt_data
 188 {
 189     struct symt                 symt;
 190     struct hash_table_elt       hash_elt;       /* if global symbol */
 191     enum DataKind               kind;
 192     struct symt*                container;
 193     struct symt*                type;
 194     union                                       /* depends on kind */
 195     {
 196         /* DataIs{Global, FileStatic}:
 197          *      with loc.kind
 198          *              loc_absolute    loc.offset is address
 199          *              loc_tlsrel      loc.offset is TLS index address
 200          * DataIs{Local,Param}:
 201          *      with loc.kind
 202          *              loc_absolute    not supported
 203          *              loc_register    location is in register loc.reg
 204          *              loc_regrel      location is at address loc.reg + loc.offset
 205          *              >= loc_user     ask debug info provider for resolution
 206          */
 207         struct location         var;
 208         /* DataIs{Member} (all values are in bits, not bytes) */
 209         struct
 210         {
 211             long                        offset;
 212             unsigned long               length;
 213         } member;
 214         /* DataIsConstant */
 215         VARIANT                 value;
 216     } u;
 217 };
 218
 219 struct symt_function
 220 {
 221     struct symt                 symt;
 222     struct hash_table_elt       hash_elt;       /* if global symbol */
 223     unsigned long               address;
 224     struct symt*                container;      /* compiland */
 225     struct symt*                type;           /* points to function_signature */
 226     unsigned long               size;
 227     struct vector               vlines;
 228     struct vector               vchildren;      /* locals, params, blocks, start/end, labels */
 229 };
 230
 231 struct symt_hierarchy_point
 232 {
 233     struct symt                 symt;           /* either SymTagFunctionDebugStart, SymTagFunctionDebugEnd, SymTagLabel */
 234     struct hash_table_elt       hash_elt;       /* if label (and in compiland's hash table if global) */
 235     struct symt*                parent;         /* symt_function or symt_compiland */
 236     struct location             loc;
 237 };
 238
 239 struct symt_public
 240 {
 241     struct symt                 symt;
 242     struct hash_table_elt       hash_elt;
 243     struct symt*                container;      /* compiland */
 244     unsigned long               address;
 245     unsigned long               size;
 246 };
 247
 248 struct symt_thunk
 249 {
 250     struct symt                 symt;
 251     struct hash_table_elt       hash_elt;
 252     struct symt*                container;      /* compiland */
 253     unsigned long               address;
 254     unsigned long               size;
 255     THUNK_ORDINAL               ordinal;        /* FIXME: doesn't seem to be accessible */
 256 };
 257
 258 /* class tree */
 259 struct symt_array
 260 {
 261     struct symt                 symt;
 262     int                         start;
 263     int                         end;            /* end index if > 0, or -array_len (in bytes) if < 0 */
 264     struct symt*                base_type;
 265     struct symt*                index_type;
 266 };
 267
 268 struct symt_basic
 269 {
 270     struct symt                 symt;
 271     struct hash_table_elt       hash_elt;
 272     enum BasicType              bt;
 273     unsigned long               size;
 274 };
 275
 276 struct symt_enum
 277 {
 278     struct symt                 symt;
 279     struct symt*                base_type;
 280     const char*                 name;
 281     struct vector               vchildren;
 282 };
 283
 284 struct symt_function_signature
 285 {
 286     struct symt                 symt;
 287     struct symt*                rettype;
 288     struct vector               vchildren;
 289     enum CV_call_e              call_conv;
 290 };
 291
 292 struct symt_function_arg_type
 293 {
 294     struct symt                 symt;
 295     struct symt*                arg_type;
 296     struct symt*                container;
 297 };
 298
 299 struct symt_pointer
 300 {
 301     struct symt                 symt;
 302     struct symt*                pointsto;
 303     unsigned long               size;
 304 };
 305
 306 struct symt_typedef
 307 {
 308     struct symt                 symt;
 309     struct hash_table_elt       hash_elt;
 310     struct symt*                type;
 311 };
 312
 313 struct symt_udt
 314 {
 315     struct symt                 symt;
 316     struct hash_table_elt       hash_elt;
 317     enum UdtKind                kind;
 318     int                         size;
 319     struct vector               vchildren;
 320 };
 321
 322 enum module_type
 323 {
 324     DMT_UNKNOWN,        /* for lookup, not actually used for a module */
 325     DMT_ELF,            /* a real ELF shared module */
 326     DMT_PE,             /* a native or builtin PE module */
 327     DMT_MACHO,          /* a real Mach-O shared module */
 328     DMT_PDB,            /* .PDB file */
 329     DMT_DBG,            /* .DBG file */
 330 };
 331
 332 struct process;
 333 struct module;
 334
 335 /* a module can be made of several debug information formats, so we have to
 336  * support them all
 337  */
 338 enum format_info
 339 {
 340     DFI_ELF,
 341     DFI_PE,
 342     DFI_MACHO,
 343     DFI_DWARF,
 344     DFI_PDB,
 345     DFI_LAST
 346 };
 347
 348 struct module_format
 349 {
 350     struct module*              module;
 351     void                        (*remove)(struct process* pcs, struct module_format* modfmt);
 352     void                        (*loc_compute)(struct process* pcs,
 353                                                const struct module_format* modfmt,
 354                                                const struct symt_function* func,
 355                                                struct location* loc);
 356     union
 357     {
 358         struct elf_module_info*         elf_info;
 359         struct dwarf2_module_info_s*    dwarf2_info;
 360         struct pe_module_info*          pe_info;
 361         struct macho_module_info*       macho_info;
 362         struct pdb_module_info*         pdb_info;
 363     } u;
 364 };
 365
 366 struct symt_idx_to_ptr
 367 {
 368     struct hash_table_elt hash_elt;
 369     DWORD idx;
 370     const struct symt *sym;
 371 };
 372
 373 extern const struct wine_rb_functions source_rb_functions DECLSPEC_HIDDEN;
 374 struct module
 375 {
 376     struct process*             process;
 377     IMAGEHLP_MODULEW64          module;
 378     struct module*              next;
 379     enum module_type            type : 16;
 380     unsigned short              is_virtual : 1;
 381     DWORD64                     reloc_delta;
 382
 383     /* specific information for debug types */
 384     struct module_format*       format_info[DFI_LAST];
 385
 386     /* memory allocation pool */
 387     struct pool                 pool;
 388
 389     /* symbols & symbol tables */
 390     struct vector               vsymt;
 391     int                         sortlist_valid;
 392     unsigned                    num_sorttab;    /* number of symbols with addresses */
 393     unsigned                    num_symbols;
 394     unsigned                    sorttab_size;
 395     struct symt_ht**            addr_sorttab;
 396     struct hash_table           ht_symbols;
 397 #ifdef __x86_64__
 398     struct hash_table           ht_symaddr;
 399 #endif
 400
 401     /* types */
 402     struct hash_table           ht_types;
 403     struct vector               vtypes;
 404
 405     /* source files */
 406     unsigned                    sources_used;
 407     unsigned                    sources_alloc;
 408     char*                       sources;
 409     struct wine_rb_tree         sources_offsets_tree;
 410 };
 411
 412 struct process
 413 {
 414     struct process*             next;
 415     HANDLE                      handle;
 416     WCHAR*                      search_path;
 417
 418     PSYMBOL_REGISTERED_CALLBACK64       reg_cb;
 419     PSYMBOL_REGISTERED_CALLBACK reg_cb32;
 420     BOOL                        reg_is_unicode;
 421     DWORD64                     reg_user;
 422
 423     struct module*              lmodules;
 424     unsigned long               dbg_hdr_addr;
 425
 426     IMAGEHLP_STACK_FRAME        ctx_frame;
 427
 428     unsigned                    buffer_size;
 429     void*                       buffer;
 430 };
 431
 432 struct line_info
 433 {
 434     unsigned long               is_first : 1,
 435                                 is_last : 1,
 436                                 is_source_file : 1,
 437                                 line_number;
 438     union
 439     {
 440         unsigned long               pc_offset;   /* if is_source_file isn't set */
 441         unsigned                    source_file; /* if is_source_file is set */
 442     } u;
 443 };
 444
 445 struct module_pair
 446 {
 447     struct process*             pcs;
 448     struct module*              requested; /* in:  to module_get_debug() */
 449     struct module*              effective; /* out: module with debug info */
 450 };
 451
 452 enum pdb_kind {PDB_JG, PDB_DS};
 453
 454 struct pdb_lookup
 455 {
 456     const char*                 filename;
 457     enum pdb_kind               kind;
 458     DWORD                       age;
 459     DWORD                       timestamp;
 460     GUID                        guid;
 461 };
 462
 463 struct cpu_stack_walk
 464 {
 465     HANDLE                      hProcess;
 466     HANDLE                      hThread;
 467     BOOL                        is32;
 468     union
 469     {
 470         struct
 471         {
 472             PREAD_PROCESS_MEMORY_ROUTINE        f_read_mem;
 473             PTRANSLATE_ADDRESS_ROUTINE          f_xlat_adr;
 474             PFUNCTION_TABLE_ACCESS_ROUTINE      f_tabl_acs;
 475             PGET_MODULE_BASE_ROUTINE            f_modl_bas;
 476         } s32;
 477         struct
 478         {
 479             PREAD_PROCESS_MEMORY_ROUTINE64      f_read_mem;
 480             PTRANSLATE_ADDRESS_ROUTINE64        f_xlat_adr;
 481             PFUNCTION_TABLE_ACCESS_ROUTINE64    f_tabl_acs;
 482             PGET_MODULE_BASE_ROUTINE64          f_modl_bas;
 483         } s64;
 484     } u;
 485 };
 486
 487 struct dump_memory
 488 {
 489     ULONG64                             base;
 490     ULONG                               size;
 491     ULONG                               rva;
 492 };
 493
 494 struct dump_module
 495 {
 496     unsigned                            is_elf;
 497     ULONG64                             base;
 498     ULONG                               size;
 499     DWORD                               timestamp;
 500     DWORD                               checksum;
 501     WCHAR                               name[MAX_PATH];
 502 };
 503
 504 struct dump_thread
 505 {
 506     ULONG                               tid;
 507     ULONG                               prio_class;
 508     ULONG                               curr_prio;
 509 };
 510
 511 struct dump_context
 512 {
 513     /* process & thread information */
 514     HANDLE                              hProcess;
 515     DWORD                               pid;
 516     unsigned                            flags_out;
 517     /* thread information */
 518     struct dump_thread*                 threads;
 519     unsigned                            num_threads;
 520     /* module information */
 521     struct dump_module*                 modules;
 522     unsigned                            num_modules;
 523     unsigned                            alloc_modules;
 524     /* exception information */
 525     /* output information */
 526     MINIDUMP_TYPE                       type;
 527     HANDLE                              hFile;
 528     RVA                                 rva;
 529     struct dump_memory*                 mem;
 530     unsigned                            num_mem;
 531     unsigned                            alloc_mem;
 532     /* callback information */
 533     MINIDUMP_CALLBACK_INFORMATION*      cb;
 534 };
 535
 536 enum cpu_addr {cpu_addr_pc, cpu_addr_stack, cpu_addr_frame};
 537 struct cpu
 538 {
 539     DWORD       machine;
 540     DWORD       word_size;
 541     DWORD       frame_regno;
 542
 543     /* address manipulation */
 544     unsigned    (*get_addr)(HANDLE hThread, const CONTEXT* ctx,
 545                             enum cpu_addr, ADDRESS64* addr);
 546
 547     /* stack manipulation */
 548     BOOL        (*stack_walk)(struct cpu_stack_walk* csw, LPSTACKFRAME64 frame, CONTEXT* context);
 549
 550     /* module manipulation */
 551     void*       (*find_runtime_function)(struct module*, DWORD64 addr);
 552
 553     /* dwarf dedicated information */
 554     unsigned    (*map_dwarf_register)(unsigned regno);
 555
 556     /* context related manipulation */
 557     void*       (*fetch_context_reg)(CONTEXT* context, unsigned regno, unsigned* size);
 558     const char* (*fetch_regname)(unsigned regno);
 559
 560     /* minidump per CPU extension */
 561     BOOL        (*fetch_minidump_thread)(struct dump_context* dc, unsigned index, unsigned flags, const CONTEXT* ctx);
 562     BOOL        (*fetch_minidump_module)(struct dump_context* dc, unsigned index, unsigned flags);
 563 };
 564
 565 extern struct cpu*      dbghelp_current_cpu DECLSPEC_HIDDEN;
 566
 567 /* dbghelp.c */
 568 extern struct process* process_find_by_handle(HANDLE hProcess) DECLSPEC_HIDDEN;
 569 extern HANDLE hMsvcrt DECLSPEC_HIDDEN;
 570 extern BOOL         validate_addr64(DWORD64 addr) DECLSPEC_HIDDEN;
 571 extern BOOL         pcs_callback(const struct process* pcs, ULONG action, void* data) DECLSPEC_HIDDEN;
 572 extern void*        fetch_buffer(struct process* pcs, unsigned size) DECLSPEC_HIDDEN;
 573 extern const char*  wine_dbgstr_addr(const ADDRESS64* addr) DECLSPEC_HIDDEN;
 574 extern struct cpu*  cpu_find(DWORD) DECLSPEC_HIDDEN;
 575
 576 /* crc32.c */
 577 extern DWORD calc_crc32(int fd) DECLSPEC_HIDDEN;
 578
 579 typedef BOOL (*enum_modules_cb)(const WCHAR*, unsigned long addr, void* user);
 580
 581 /* elf_module.c */
 582 extern BOOL         elf_enum_modules(HANDLE hProc, enum_modules_cb, void*) DECLSPEC_HIDDEN;
 583 extern BOOL         elf_fetch_file_info(const WCHAR* name, DWORD_PTR* base, DWORD* size, DWORD* checksum) DECLSPEC_HIDDEN;
 584 struct image_file_map;
 585 extern BOOL         elf_load_debug_info(struct module* module) DECLSPEC_HIDDEN;
 586 extern struct module*
 587                     elf_load_module(struct process* pcs, const WCHAR* name, unsigned long) DECLSPEC_HIDDEN;
 588 extern BOOL         elf_read_wine_loader_dbg_info(struct process* pcs) DECLSPEC_HIDDEN;
 589 extern BOOL         elf_synchronize_module_list(struct process* pcs) DECLSPEC_HIDDEN;
 590 struct elf_thunk_area;
 591 extern int          elf_is_in_thunk_area(unsigned long addr, const struct elf_thunk_area* thunks) DECLSPEC_HIDDEN;
 592
 593 /* macho_module.c */
 594 #define MACHO_NO_MAP    ((const void*)-1)
 595 extern BOOL         macho_enum_modules(HANDLE hProc, enum_modules_cb, void*) DECLSPEC_HIDDEN;
 596 extern BOOL         macho_fetch_file_info(const WCHAR* name, DWORD_PTR* base, DWORD* size, DWORD* checksum) DECLSPEC_HIDDEN;
 597 struct macho_file_map;
 598 extern BOOL         macho_load_debug_info(struct module* module, struct macho_file_map* fmap) DECLSPEC_HIDDEN;
 599 extern struct module*
 600                     macho_load_module(struct process* pcs, const WCHAR* name, unsigned long) DECLSPEC_HIDDEN;
 601 extern BOOL         macho_read_wine_loader_dbg_info(struct process* pcs) DECLSPEC_HIDDEN;
 602 extern BOOL         macho_synchronize_module_list(struct process* pcs) DECLSPEC_HIDDEN;
 603
 604 /* minidump.c */
 605 void minidump_add_memory_block(struct dump_context* dc, ULONG64 base, ULONG size, ULONG rva);
 606
 607 /* module.c */
 608 extern const WCHAR      S_ElfW[] DECLSPEC_HIDDEN;
 609 extern const WCHAR      S_WineLoaderW[] DECLSPEC_HIDDEN;
 610 extern const WCHAR      S_SlashW[] DECLSPEC_HIDDEN;
 611
 612 extern struct module*
 613                     module_find_by_addr(const struct process* pcs, DWORD64 addr,
 614                                         enum module_type type) DECLSPEC_HIDDEN;
 615 extern struct module*
 616                     module_find_by_nameW(const struct process* pcs,
 617                                          const WCHAR* name) DECLSPEC_HIDDEN;
 618 extern struct module*
 619                     module_find_by_nameA(const struct process* pcs,
 620                                          const char* name) DECLSPEC_HIDDEN;
 621 extern struct module*
 622                     module_is_already_loaded(const struct process* pcs,
 623                                              const WCHAR* imgname) DECLSPEC_HIDDEN;
 624 extern BOOL         module_get_debug(struct module_pair*) DECLSPEC_HIDDEN;
 625 extern struct module*
 626                     module_new(struct process* pcs, const WCHAR* name,
 627                                enum module_type type, BOOL virtual,
 628                                DWORD64 addr, DWORD64 size,
 629                                unsigned long stamp, unsigned long checksum) DECLSPEC_HIDDEN;
 630 extern struct module*
 631                     module_get_containee(const struct process* pcs,
 632                                          const struct module* inner) DECLSPEC_HIDDEN;
 633 extern enum module_type
 634                     module_get_type_by_name(const WCHAR* name) DECLSPEC_HIDDEN;
 635 extern void         module_reset_debug_info(struct module* module) DECLSPEC_HIDDEN;
 636 extern BOOL         module_remove(struct process* pcs,
 637                                   struct module* module) DECLSPEC_HIDDEN;
 638 extern void         module_set_module(struct module* module, const WCHAR* name) DECLSPEC_HIDDEN;
 639 extern const WCHAR *get_wine_loader_name(void) DECLSPEC_HIDDEN;
 640
 641 /* msc.c */
 642 extern BOOL         pe_load_debug_directory(const struct process* pcs,
 643                                             struct module* module,
 644                                             const BYTE* mapping,
 645                                             const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
 646                                             const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg) DECLSPEC_HIDDEN;
 647 extern BOOL         pdb_fetch_file_info(const struct pdb_lookup* pdb_lookup, unsigned* matched) DECLSPEC_HIDDEN;
 648 struct pdb_cmd_pair {
 649     const char*         name;
 650     DWORD*              pvalue;
 651 };
 652 extern BOOL         pdb_virtual_unwind(struct cpu_stack_walk* csw, DWORD_PTR ip,
 653                                        CONTEXT* context, struct pdb_cmd_pair* cpair) DECLSPEC_HIDDEN;
 654
 655 /* path.c */
 656 extern BOOL         path_find_symbol_file(const struct process* pcs, PCSTR full_path,
 657                                           const GUID* guid, DWORD dw1, DWORD dw2, PSTR buffer,
 658                                           BOOL* is_unmatched) DECLSPEC_HIDDEN;
 659
 660 /* pe_module.c */
 661 extern BOOL         pe_load_nt_header(HANDLE hProc, DWORD64 base, IMAGE_NT_HEADERS* nth) DECLSPEC_HIDDEN;
 662 extern struct module*
 663                     pe_load_native_module(struct process* pcs, const WCHAR* name,
 664                                           HANDLE hFile, DWORD64 base, DWORD size) DECLSPEC_HIDDEN;
 665 extern struct module*
 666                     pe_load_builtin_module(struct process* pcs, const WCHAR* name,
 667                                            DWORD64 base, DWORD64 size) DECLSPEC_HIDDEN;
 668 extern BOOL         pe_load_debug_info(const struct process* pcs,
 669                                        struct module* module) DECLSPEC_HIDDEN;
 670 extern const char*  pe_map_directory(struct module* module, int dirno, DWORD* size) DECLSPEC_HIDDEN;
 671 extern void         pe_unmap_directoy(struct module* module, int dirno) DECLSPEC_HIDDEN;
 672
 673 /* source.c */
 674 extern unsigned     source_new(struct module* module, const char* basedir, const char* source) DECLSPEC_HIDDEN;
 675 extern const char*  source_get(const struct module* module, unsigned idx) DECLSPEC_HIDDEN;
 676
 677 /* stabs.c */
 678 typedef void (*stabs_def_cb)(struct module* module, unsigned long load_offset,
 679                                 const char* name, unsigned long offset,
 680                                 BOOL is_public, BOOL is_global, unsigned char other,
 681                                 struct symt_compiland* compiland, void* user);
 682 extern BOOL         stabs_parse(struct module* module, unsigned long load_offset,
 683                                 const void* stabs, int stablen,
 684                                 const char* strs, int strtablen,
 685                                 stabs_def_cb callback, void* user) DECLSPEC_HIDDEN;
 686
 687 /* dwarf.c */
 688 extern BOOL         dwarf2_parse(struct module* module, unsigned long load_offset,
 689                                  const struct elf_thunk_area* thunks,
 690                                  struct image_file_map* fmap) DECLSPEC_HIDDEN;
 691 extern BOOL         dwarf2_virtual_unwind(struct cpu_stack_walk* csw, DWORD_PTR ip,
 692                                           CONTEXT* context, ULONG_PTR* cfa) DECLSPEC_HIDDEN;
 693
 694 /* stack.c */
 695 #ifndef DBGHELP_STATIC_LIB
 696 extern BOOL         sw_read_mem(struct cpu_stack_walk* csw, DWORD64 addr, void* ptr, DWORD sz) DECLSPEC_HIDDEN;
 697 #endif
 698 extern DWORD64      sw_xlat_addr(struct cpu_stack_walk* csw, ADDRESS64* addr) DECLSPEC_HIDDEN;
 699 extern void*        sw_table_access(struct cpu_stack_walk* csw, DWORD64 addr) DECLSPEC_HIDDEN;
 700 extern DWORD64      sw_module_base(struct cpu_stack_walk* csw, DWORD64 addr) DECLSPEC_HIDDEN;
 701
 702 /* symbol.c */
 703 extern const char*  symt_get_name(const struct symt* sym) DECLSPEC_HIDDEN;
 704 extern WCHAR*       symt_get_nameW(const struct symt* sym) DECLSPEC_HIDDEN;
 705 extern BOOL         symt_get_address(const struct symt* type, ULONG64* addr) DECLSPEC_HIDDEN;
 706 extern int          symt_cmp_addr(const void* p1, const void* p2) DECLSPEC_HIDDEN;
 707 extern void         copy_symbolW(SYMBOL_INFOW* siw, const SYMBOL_INFO* si) DECLSPEC_HIDDEN;
 708 extern struct symt_ht*
 709                     symt_find_nearest(struct module* module, DWORD_PTR addr) DECLSPEC_HIDDEN;
 710 extern struct symt_compiland*
 711                     symt_new_compiland(struct module* module, unsigned long address,
 712                                        unsigned src_idx) DECLSPEC_HIDDEN;
 713 extern struct symt_public*
 714                     symt_new_public(struct module* module,
 715                                     struct symt_compiland* parent,
 716                                     const char* typename,
 717                                     unsigned long address, unsigned size) DECLSPEC_HIDDEN;
 718 extern struct symt_data*
 719                     symt_new_global_variable(struct module* module,
 720                                              struct symt_compiland* parent,
 721                                              const char* name, unsigned is_static,
 722                                              struct location loc, unsigned long size,
 723                                              struct symt* type) DECLSPEC_HIDDEN;
 724 extern struct symt_function*
 725                     symt_new_function(struct module* module,
 726                                       struct symt_compiland* parent,
 727                                       const char* name,
 728                                       unsigned long addr, unsigned long size,
 729                                       struct symt* type) DECLSPEC_HIDDEN;
 730 extern BOOL         symt_normalize_function(struct module* module,
 731                                             const struct symt_function* func) DECLSPEC_HIDDEN;
 732 extern void         symt_add_func_line(struct module* module,
 733                                        struct symt_function* func,
 734                                        unsigned source_idx, int line_num,
 735                                        unsigned long offset) DECLSPEC_HIDDEN;
 736 extern struct symt_data*
 737                     symt_add_func_local(struct module* module,
 738                                         struct symt_function* func,
 739                                         enum DataKind dt, const struct location* loc,
 740                                         struct symt_block* block,
 741                                         struct symt* type, const char* name) DECLSPEC_HIDDEN;
 742 extern struct symt_block*
 743                     symt_open_func_block(struct module* module,
 744                                          struct symt_function* func,
 745                                          struct symt_block* block,
 746                                          unsigned pc, unsigned len) DECLSPEC_HIDDEN;
 747 extern struct symt_block*
 748                     symt_close_func_block(struct module* module,
 749                                           const struct symt_function* func,
 750                                           struct symt_block* block, unsigned pc) DECLSPEC_HIDDEN;
 751 extern struct symt_hierarchy_point*
 752                     symt_add_function_point(struct module* module,
 753                                             struct symt_function* func,
 754                                             enum SymTagEnum point,
 755                                             const struct location* loc,
 756                                             const char* name) DECLSPEC_HIDDEN;
 757 extern BOOL         symt_fill_func_line_info(const struct module* module,
 758                                              const struct symt_function* func,
 759                                              DWORD64 addr, IMAGEHLP_LINE64* line) DECLSPEC_HIDDEN;
 760 extern BOOL         symt_get_func_line_next(const struct module* module, PIMAGEHLP_LINE64 line) DECLSPEC_HIDDEN;
 761 extern struct symt_thunk*
 762                     symt_new_thunk(struct module* module,
 763                                    struct symt_compiland* parent,
 764                                    const char* name, THUNK_ORDINAL ord,
 765                                    unsigned long addr, unsigned long size) DECLSPEC_HIDDEN;
 766 extern struct symt_data*
 767                     symt_new_constant(struct module* module,
 768                                       struct symt_compiland* parent,
 769                                       const char* name, struct symt* type,
 770                                       const VARIANT* v) DECLSPEC_HIDDEN;
 771 extern struct symt_hierarchy_point*
 772                     symt_new_label(struct module* module,
 773                                    struct symt_compiland* compiland,
 774                                    const char* name, unsigned long address) DECLSPEC_HIDDEN;
 775 extern struct symt* symt_index2ptr(struct module* module, DWORD id) DECLSPEC_HIDDEN;
 776 extern DWORD        symt_ptr2index(struct module* module, const struct symt* sym) DECLSPEC_HIDDEN;
 777
 778 /* type.c */
 779 extern void         symt_init_basic(struct module* module) DECLSPEC_HIDDEN;
 780 extern BOOL         symt_get_info(struct module* module, const struct symt* type,
 781                                   IMAGEHLP_SYMBOL_TYPE_INFO req, void* pInfo) DECLSPEC_HIDDEN;
 782 extern struct symt_basic*
 783                     symt_new_basic(struct module* module, enum BasicType,
 784                                    const char* typename, unsigned size) DECLSPEC_HIDDEN;
 785 extern struct symt_udt*
 786                     symt_new_udt(struct module* module, const char* typename,
 787                                  unsigned size, enum UdtKind kind) DECLSPEC_HIDDEN;
 788 extern BOOL         symt_set_udt_size(struct module* module,
 789                                       struct symt_udt* type, unsigned size) DECLSPEC_HIDDEN;
 790 extern BOOL         symt_add_udt_element(struct module* module,
 791                                          struct symt_udt* udt_type,
 792                                          const char* name,
 793                                          struct symt* elt_type, unsigned offset,
 794                                          unsigned size) DECLSPEC_HIDDEN;
 795 extern struct symt_enum*
 796                     symt_new_enum(struct module* module, const char* typename,
 797                                   struct symt* basetype) DECLSPEC_HIDDEN;
 798 extern BOOL         symt_add_enum_element(struct module* module,
 799                                           struct symt_enum* enum_type,
 800                                           const char* name, int value) DECLSPEC_HIDDEN;
 801 extern struct symt_array*
 802                     symt_new_array(struct module* module, int min, int max,
 803                                    struct symt* base, struct symt* index) DECLSPEC_HIDDEN;
 804 extern struct symt_function_signature*
 805                     symt_new_function_signature(struct module* module,
 806                                                 struct symt* ret_type,
 807                                                 enum CV_call_e call_conv) DECLSPEC_HIDDEN;
 808 extern BOOL         symt_add_function_signature_parameter(struct module* module,
 809                                                           struct symt_function_signature* sig,
 810                                                           struct symt* param) DECLSPEC_HIDDEN;
 811 extern struct symt_pointer*
 812                     symt_new_pointer(struct module* module,
 813                                      struct symt* ref_type,
 814                                      unsigned long size) DECLSPEC_HIDDEN;
 815 extern struct symt_typedef*
 816                     symt_new_typedef(struct module* module, struct symt* ref,
 817                                      const char* name) DECLSPEC_HIDDEN;