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