git.oblomov.eu Git - wine/blob - 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, 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
  32 #include "cvconst.h"
  33
  34 /* #define USE_STATS */
  35
  36 struct pool /* poor's man */
  37 {
  38     struct pool_arena*  first;
  39     unsigned            arena_size;
  40 };
  41
  42 void     pool_init(struct pool* a, unsigned arena_size);
  43 void     pool_destroy(struct pool* a);
  44 void*    pool_alloc(struct pool* a, unsigned len);
  45 /* void*    pool_realloc(struct pool* a, void* p,
  46    unsigned old_size, unsigned new_size); */
  47 char*    pool_strdup(struct pool* a, const char* str);
  48
  49 struct vector
  50 {
  51     void**      buckets;
  52     unsigned    elt_size;
  53     unsigned    shift;
  54     unsigned    num_elts;
  55     unsigned    num_buckets;
  56 };
  57
  58 void     vector_init(struct vector* v, unsigned elt_sz, unsigned bucket_sz);
  59 unsigned vector_length(const struct vector* v);
  60 void*    vector_at(const struct vector* v, unsigned pos);
  61 void*    vector_add(struct vector* v, struct pool* pool);
  62 /*void     vector_pool_normalize(struct vector* v, struct pool* pool); */
  63 void*    vector_iter_up(const struct vector* v, void* elt);
  64 void*    vector_iter_down(const struct vector* v, void* elt);
  65
  66 struct sparse_array
  67 {
  68     struct vector               key2index;
  69     struct vector               elements;
  70 };
  71
  72 void     sparse_array_init(struct sparse_array* sa, unsigned elt_sz, unsigned bucket_sz);
  73 void*    sparse_array_find(const struct sparse_array* sa, unsigned long idx);
  74 void*    sparse_array_add(struct sparse_array* sa, unsigned long key, struct pool* pool);
  75 unsigned sparse_array_length(const struct sparse_array* sa);
  76
  77 struct hash_table_elt
  78 {
  79     const char*                 name;
  80     struct hash_table_elt*      next;
  81 };
  82
  83 struct hash_table
  84 {
  85     unsigned                    num_buckets;
  86     struct hash_table_elt**     buckets;
  87 };
  88
  89 void     hash_table_init(struct pool* pool, struct hash_table* ht,
  90                          unsigned num_buckets);
  91 void     hash_table_destroy(struct hash_table* ht);
  92 void     hash_table_add(struct hash_table* ht, struct hash_table_elt* elt);
  93 void*    hash_table_find(const struct hash_table* ht, const char* name);
  94 unsigned hash_table_hash(const char* name, unsigned num_buckets);
  95
  96 struct hash_table_iter
  97 {
  98     const struct hash_table*    ht;
  99     struct hash_table_elt*      element;
 100     int                         index;
 101     int                         last;
 102 };
 103
 104 void     hash_table_iter_init(const struct hash_table* ht,
 105                               struct hash_table_iter* hti, const char* name);
 106 void*    hash_table_iter_up(struct hash_table_iter* hti);
 107
 108 #define GET_ENTRY(__i, __t, __f) \
 109     ((__t*)((char*)(__i) - (unsigned int)(&((__t*)0)->__f)))
 110
 111
 112 extern unsigned dbghelp_options;
 113 /* some more Wine extensions */
 114 #define SYMOPT_WINE_WITH_ELF_MODULES 0x40000000
 115
 116 struct symt
 117 {
 118     enum SymTagEnum             tag;
 119 };
 120
 121 struct symt_ht
 122 {
 123     struct symt                 symt;
 124     struct hash_table_elt       hash_elt;        /* if global symbol or type */
 125 };
 126
 127 /* lexical tree */
 128 struct symt_block
 129 {
 130     struct symt                 symt;
 131     unsigned long               address;
 132     unsigned long               size;
 133     struct symt*                container;      /* block, or func */
 134     struct vector               vchildren;      /* sub-blocks & local variables */
 135 };
 136
 137 struct symt_compiland
 138 {
 139     struct symt                 symt;
 140     unsigned                    source;
 141     struct vector               vchildren;      /* global variables & functions */
 142 };
 143
 144 struct symt_data
 145 {
 146     struct symt                 symt;
 147     struct hash_table_elt       hash_elt;       /* if global symbol */
 148     enum DataKind               kind;
 149     struct symt*                container;
 150     struct symt*                type;
 151     union                                       /* depends on kind */
 152     {
 153         unsigned long           address;        /* DataIs{Global, FileStatic} */
 154         struct
 155         {
 156             long                        offset; /* DataIs{Member,Local,Param} in bits */
 157             unsigned long               length; /* DataIs{Member} in bits */
 158             unsigned long               reg_id; /* DataIs{Local} (0 if frame relative) */
 159         } s;
 160         VARIANT                 value;          /* DataIsConstant */
 161     } u;
 162 };
 163
 164 struct symt_function
 165 {
 166     struct symt                 symt;
 167     struct hash_table_elt       hash_elt;       /* if global symbol */
 168     unsigned long               address;
 169     struct symt*                container;      /* compiland */
 170     struct symt*                type;           /* points to function_signature */
 171     unsigned long               size;
 172     struct vector               vlines;
 173     struct vector               vchildren;      /* locals, params, blocks, start/end, labels */
 174 };
 175
 176 struct symt_function_point
 177 {
 178     struct symt                 symt;           /* either SymTagFunctionDebugStart, SymTagFunctionDebugEnd, SymTagLabel */
 179     struct symt_function*       parent;
 180     unsigned long               offset;
 181     const char*                 name;           /* for labels */
 182 };
 183
 184 struct symt_public
 185 {
 186     struct symt                 symt;
 187     struct hash_table_elt       hash_elt;
 188     struct symt*                container;      /* compiland */
 189     unsigned long               address;
 190     unsigned long               size;
 191     unsigned                    in_code : 1,
 192                                 is_function : 1;
 193 };
 194
 195 struct symt_thunk
 196 {
 197     struct symt                 symt;
 198     struct hash_table_elt       hash_elt;
 199     struct symt*                container;      /* compiland */
 200     unsigned long               address;
 201     unsigned long               size;
 202     THUNK_ORDINAL               ordinal;        /* FIXME: doesn't seem to be accessible */
 203 };
 204
 205 /* class tree */
 206 struct symt_array
 207 {
 208     struct symt                 symt;
 209     int                         start;
 210     int                         end;
 211     struct symt*                base_type;
 212     struct symt*                index_type;
 213 };
 214
 215 struct symt_basic
 216 {
 217     struct symt                 symt;
 218     struct hash_table_elt       hash_elt;
 219     enum BasicType              bt;
 220     unsigned long               size;
 221 };
 222
 223 struct symt_enum
 224 {
 225     struct symt                 symt;
 226     const char*                 name;
 227     struct vector               vchildren;
 228 };
 229
 230 struct symt_function_signature
 231 {
 232     struct symt                 symt;
 233     struct symt*                rettype;
 234     struct vector               vchildren;
 235     enum CV_call_e              call_conv;
 236 };
 237
 238 struct symt_function_arg_type
 239 {
 240     struct symt                 symt;
 241     struct symt*                arg_type;
 242     struct symt*                container;
 243 };
 244
 245 struct symt_pointer
 246 {
 247     struct symt                 symt;
 248     struct symt*                pointsto;
 249 };
 250
 251 struct symt_typedef
 252 {
 253     struct symt                 symt;
 254     struct hash_table_elt       hash_elt;
 255     struct symt*                type;
 256 };
 257
 258 struct symt_udt
 259 {
 260     struct symt                 symt;
 261     struct hash_table_elt       hash_elt;
 262     enum UdtKind                kind;
 263     int                         size;
 264     struct vector               vchildren;
 265 };
 266
 267 enum module_type
 268 {
 269     DMT_UNKNOWN,        /* for lookup, not actually used for a module */
 270     DMT_ELF,            /* a real ELF shared module */
 271     DMT_PE,             /* a native or builtin PE module */
 272     DMT_PDB,            /* PDB file */
 273 };
 274
 275 struct module
 276 {
 277     IMAGEHLP_MODULE64           module;
 278     struct module*              next;
 279     enum module_type            type : 16;
 280     unsigned short              is_virtual : 1;
 281     struct elf_module_info*     elf_info;
 282
 283     /* memory allocation pool */
 284     struct pool                 pool;
 285
 286     /* symbol tables */
 287     int                         sortlist_valid;
 288     struct symt_ht**            addr_sorttab;
 289     struct hash_table           ht_symbols;
 290
 291     /* types */
 292     struct hash_table           ht_types;
 293     struct vector               vtypes;
 294
 295     /* source files */
 296     unsigned                    sources_used;
 297     unsigned                    sources_alloc;
 298     char*                       sources;
 299 };
 300
 301 struct process
 302 {
 303     struct process*             next;
 304     HANDLE                      handle;
 305     WCHAR*                      search_path;
 306
 307     PSYMBOL_REGISTERED_CALLBACK64       reg_cb;
 308     BOOL                        reg_is_unicode;
 309     DWORD64                     reg_user;
 310
 311     struct module*              lmodules;
 312     unsigned long               dbg_hdr_addr;
 313
 314     IMAGEHLP_STACK_FRAME        ctx_frame;
 315
 316     unsigned                    buffer_size;
 317     void*                       buffer;
 318 };
 319
 320 struct line_info
 321 {
 322     unsigned long               is_first : 1,
 323                                 is_last : 1,
 324                                 is_source_file : 1,
 325                                 line_number;
 326     union
 327     {
 328         unsigned long               pc_offset;   /* if is_source_file isn't set */
 329         unsigned                    source_file; /* if is_source_file is set */
 330     } u;
 331 };
 332
 333 struct module_pair
 334 {
 335     struct module*              requested; /* in:  to module_get_debug() */
 336     struct module*              effective; /* out: module with debug info */
 337 };
 338
 339 enum pdb_kind {PDB_JG, PDB_DS};
 340
 341 struct pdb_lookup
 342 {
 343     const char*                 filename;
 344     DWORD                       age;
 345     enum pdb_kind               kind;
 346     union
 347     {
 348         struct
 349         {
 350             DWORD               timestamp;
 351             struct PDB_JG_TOC*  toc;
 352         } jg;
 353         struct
 354         {
 355             GUID                guid;
 356             struct PDB_DS_TOC*  toc;
 357         } ds;
 358     } u;
 359 };
 360
 361 /* dbghelp.c */
 362 extern struct process* process_find_by_handle(HANDLE hProcess);
 363 extern HANDLE hMsvcrt;
 364 extern BOOL         validate_addr64(DWORD64 addr);
 365 extern BOOL         pcs_callback(const struct process* pcs, ULONG action, void* data);
 366 extern void*        fetch_buffer(struct process* pcs, unsigned size);
 367
 368 /* elf_module.c */
 369 typedef BOOL (*elf_enum_modules_cb)(const char*, unsigned long addr, void* user);
 370 extern BOOL         elf_enum_modules(HANDLE hProc, elf_enum_modules_cb, void*);
 371 extern BOOL         elf_fetch_file_info(const char* name, DWORD* base, DWORD* size, DWORD* checksum);
 372 struct elf_file_map;
 373 extern BOOL         elf_load_debug_info(struct module* module, struct elf_file_map* fmap);
 374 extern struct module*
 375                     elf_load_module(struct process* pcs, const char* name, unsigned long);
 376 extern BOOL         elf_read_wine_loader_dbg_info(struct process* pcs);
 377 extern BOOL         elf_synchronize_module_list(struct process* pcs);
 378 struct elf_thunk_area;
 379 extern int          elf_is_in_thunk_area(unsigned long addr, const struct elf_thunk_area* thunks);
 380 extern DWORD WINAPI addr_to_linear(HANDLE hProcess, HANDLE hThread, ADDRESS* addr);
 381
 382 /* module.c */
 383 extern int          module_compute_num_syms(struct module* module);
 384 extern struct module*
 385                     module_find_by_addr(const struct process* pcs, unsigned long addr,
 386                                         enum module_type type);
 387 extern struct module*
 388                     module_find_by_name(const struct process* pcs,
 389                                         const char* name, enum module_type type);
 390 extern BOOL         module_get_debug(const struct process* pcs, struct module_pair*);
 391 extern struct module*
 392                     module_new(struct process* pcs, const char* name,
 393                                enum module_type type, BOOL virtual,
 394                                unsigned long addr, unsigned long size,
 395                                unsigned long stamp, unsigned long checksum);
 396 extern struct module*
 397                     module_get_container(const struct process* pcs,
 398                                          const struct module* inner);
 399 extern struct module*
 400                     module_get_containee(const struct process* pcs,
 401                                          const struct module* inner);
 402 extern enum module_type
 403                     module_get_type_by_name(const char* name);
 404 extern void         module_reset_debug_info(struct module* module);
 405 extern BOOL         module_remove(struct process* pcs,
 406                                   struct module* module);
 407 /* msc.c */
 408 extern BOOL         pe_load_debug_directory(const struct process* pcs,
 409                                             struct module* module,
 410                                             const BYTE* mapping,
 411                                             const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
 412                                             const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg);
 413 extern BOOL         pdb_fetch_file_info(struct pdb_lookup* pdb_lookup);
 414
 415 /* pe_module.c */
 416 extern BOOL         pe_load_nt_header(HANDLE hProc, DWORD base, IMAGE_NT_HEADERS* nth);
 417 extern struct module*
 418                     pe_load_module(struct process* pcs, const char* name,
 419                                    HANDLE hFile, DWORD base, DWORD size);
 420 extern struct module*
 421                     pe_load_module_from_pcs(struct process* pcs, const char* name,
 422                                             const char* mod_name, DWORD base, DWORD size);
 423 extern BOOL         pe_load_debug_info(const struct process* pcs,
 424                                        struct module* module);
 425 /* source.c */
 426 extern unsigned     source_new(struct module* module, const char* basedir, const char* source);
 427 extern const char*  source_get(const struct module* module, unsigned idx);
 428
 429 /* stabs.c */
 430 extern BOOL         stabs_parse(struct module* module, unsigned long load_offset,
 431                                 const void* stabs, int stablen,
 432                                 const char* strs, int strtablen);
 433
 434 /* dwarf.c */
 435 extern BOOL         dwarf2_parse(struct module* module, unsigned long load_offset,
 436                                  const struct elf_thunk_area* thunks,
 437                                  const unsigned char* debug, unsigned int debug_size,
 438                                  const unsigned char* abbrev, unsigned int abbrev_size,
 439                                  const unsigned char* str, unsigned int str_size,
 440                                  const unsigned char* line, unsigned int line_size);
 441
 442 /* symbol.c */
 443 extern const char*  symt_get_name(const struct symt* sym);
 444 extern int          symt_cmp_addr(const void* p1, const void* p2);
 445 extern int          symt_find_nearest(struct module* module, DWORD addr);
 446 extern struct symt_compiland*
 447                     symt_new_compiland(struct module* module, unsigned src_idx);
 448 extern struct symt_public*
 449                     symt_new_public(struct module* module,
 450                                     struct symt_compiland* parent,
 451                                     const char* typename,
 452                                     unsigned long address, unsigned size,
 453                                     BOOL in_code, BOOL is_func);
 454 extern struct symt_data*
 455                     symt_new_global_variable(struct module* module,
 456                                              struct symt_compiland* parent,
 457                                              const char* name, unsigned is_static,
 458                                              unsigned long addr, unsigned long size,
 459                                              struct symt* type);
 460 extern struct symt_function*
 461                     symt_new_function(struct module* module,
 462                                       struct symt_compiland* parent,
 463                                       const char* name,
 464                                       unsigned long addr, unsigned long size,
 465                                       struct symt* type);
 466 extern BOOL         symt_normalize_function(struct module* module,
 467                                             struct symt_function* func);
 468 extern void         symt_add_func_line(struct module* module,
 469                                        struct symt_function* func,
 470                                        unsigned source_idx, int line_num,
 471                                        unsigned long offset);
 472 extern struct symt_data*
 473                     symt_add_func_local(struct module* module,
 474                                         struct symt_function* func,
 475                                         enum DataKind dt, int regno, long offset,
 476                                         struct symt_block* block,
 477                                         struct symt* type, const char* name);
 478 extern struct symt_block*
 479                     symt_open_func_block(struct module* module,
 480                                          struct symt_function* func,
 481                                          struct symt_block* block,
 482                                          unsigned pc, unsigned len);
 483 extern struct symt_block*
 484                     symt_close_func_block(struct module* module,
 485                                           struct symt_function* func,
 486                                           struct symt_block* block, unsigned pc);
 487 extern struct symt_function_point*
 488                     symt_add_function_point(struct module* module,
 489                                             struct symt_function* func,
 490                                             enum SymTagEnum point,
 491                                             unsigned offset, const char* name);
 492 extern BOOL         symt_fill_func_line_info(struct module* module,
 493                                              struct symt_function* func,
 494                                              DWORD addr, IMAGEHLP_LINE* line);
 495 extern BOOL         symt_get_func_line_next(struct module* module, PIMAGEHLP_LINE line);
 496 extern struct symt_thunk*
 497                     symt_new_thunk(struct module* module,
 498                                    struct symt_compiland* parent,
 499                                    const char* name, THUNK_ORDINAL ord,
 500                                    unsigned long addr, unsigned long size);
 501
 502 /* type.c */
 503 extern void         symt_init_basic(struct module* module);
 504 extern BOOL         symt_get_info(const struct symt* type,
 505                                   IMAGEHLP_SYMBOL_TYPE_INFO req, void* pInfo);
 506 extern struct symt_basic*
 507                     symt_new_basic(struct module* module, enum BasicType,
 508                                    const char* typename, unsigned size);
 509 extern struct symt_udt*
 510                     symt_new_udt(struct module* module, const char* typename,
 511                                  unsigned size, enum UdtKind kind);
 512 extern BOOL         symt_set_udt_size(struct module* module,
 513                                       struct symt_udt* type, unsigned size);
 514 extern BOOL         symt_add_udt_element(struct module* module,
 515                                          struct symt_udt* udt_type,
 516                                          const char* name,
 517                                          struct symt* elt_type, unsigned offset,
 518                                          unsigned size);
 519 extern struct symt_enum*
 520                     symt_new_enum(struct module* module, const char* typename);
 521 extern BOOL         symt_add_enum_element(struct module* module,
 522                                           struct symt_enum* enum_type,
 523                                           const char* name, int value);
 524 extern struct symt_array*
 525                     symt_new_array(struct module* module, int min, int max,
 526                                    struct symt* base, struct symt* index);
 527 extern struct symt_function_signature*
 528                     symt_new_function_signature(struct module* module,
 529                                                 struct symt* ret_type,
 530                                                 enum CV_call_e call_conv);
 531 extern BOOL         symt_add_function_signature_parameter(struct module* module,
 532                                                           struct symt_function_signature* sig,
 533                                                           struct symt* param);
 534 extern struct symt_pointer*
 535                     symt_new_pointer(struct module* module,
 536                                      struct symt* ref_type);
 537 extern struct symt_typedef*
 538                     symt_new_typedef(struct module* module, struct symt* ref,
 539                                      const char* name);