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