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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 : 24, shift : 8;
  53     unsigned    num_elts : 20, num_buckets : 12;
  54 };
  55
  56 void     vector_init(struct vector* v, unsigned elt_sz, unsigned bucket_sz);
  57 unsigned vector_length(const struct vector* v);
  58 void*    vector_at(const struct vector* v, unsigned pos);
  59 void*    vector_add(struct vector* v, struct pool* pool);
  60 /*void     vector_pool_normalize(struct vector* v, struct pool* pool); */
  61 void*    vector_iter_up(const struct vector* v, void* elt);
  62 void*    vector_iter_down(const struct vector* v, void* elt);
  63
  64 struct hash_table_elt
  65 {
  66     const char*                 name;
  67     struct hash_table_elt*      next;
  68 };
  69
  70 struct hash_table
  71 {
  72     unsigned                    num_buckets;
  73     struct hash_table_elt**     buckets;
  74 };
  75
  76 void     hash_table_init(struct pool* pool, struct hash_table* ht,
  77                          unsigned num_buckets);
  78 void     hash_table_destroy(struct hash_table* ht);
  79 void     hash_table_add(struct hash_table* ht, struct hash_table_elt* elt);
  80 void*    hash_table_find(const struct hash_table* ht, const char* name);
  81 unsigned hash_table_hash(const char* name, unsigned num_buckets);
  82
  83 struct hash_table_iter
  84 {
  85     const struct hash_table*    ht;
  86     struct hash_table_elt*      element;
  87     int                         index;
  88     int                         last;
  89 };
  90
  91 void     hash_table_iter_init(const struct hash_table* ht,
  92                               struct hash_table_iter* hti, const char* name);
  93 void*    hash_table_iter_up(struct hash_table_iter* hti);
  94
  95 #define GET_ENTRY(__i, __t, __f) \
  96     ((__t*)((char*)(__i) - (unsigned int)(&((__t*)0)->__f)))
  97
  98
  99 extern unsigned dbghelp_options;
 100
 101 struct symt
 102 {
 103     enum SymTagEnum             tag;
 104 };
 105
 106 struct symt_ht
 107 {
 108     struct symt                 symt;
 109     struct hash_table_elt       hash_elt;        /* if global symbol or type */
 110 };
 111
 112 /* lexical tree */
 113 struct symt_block
 114 {
 115     struct symt                 symt;
 116     unsigned long               address;
 117     unsigned long               size;
 118     struct symt*                container;      /* block, or func */
 119     struct vector               vchildren;      /* sub-blocks & local variables */
 120 };
 121
 122 struct symt_compiland
 123 {
 124     struct symt                 symt;
 125     unsigned                    source;
 126     struct vector               vchildren;      /* global variables & functions */
 127 };
 128
 129 struct symt_data
 130 {
 131     struct symt                 symt;
 132     struct hash_table_elt       hash_elt;       /* if global symbol */
 133     enum DataKind               kind;
 134     struct symt*                container;
 135     struct symt*                type;
 136     union                                       /* depends on kind */
 137     {
 138         unsigned long           address;        /* DataIs{Global, FileStatic} */
 139         struct
 140         {
 141             long                        offset; /* DataIs{Member,Local,Param} in bits*/
 142             unsigned long               length; /* DataIs{Member} in bits */
 143             unsigned long               reg_id; /* DataIs{Local} (0 if frame relative) */
 144         } s;
 145         VARIANT                 value;          /* DataIsConstant */
 146     } u;
 147 };
 148
 149 struct symt_function
 150 {
 151     struct symt                 symt;
 152     struct hash_table_elt       hash_elt;       /* if global symbol */
 153     unsigned long               address;
 154     struct symt*                container;      /* compiland */
 155     struct symt*                type;           /* points to function_signature */
 156     unsigned long               size;
 157     struct vector               vlines;
 158     struct vector               vchildren;      /* locals, params, blocks, start/end, labels */
 159 };
 160
 161 struct symt_function_point
 162 {
 163     struct symt                 symt;           /* either SymTagFunctionDebugStart, SymTagFunctionDebugEnd, SymTagLabel */
 164     struct symt_function*       parent;
 165     unsigned long               offset;
 166     const char*                 name;           /* for labels */
 167 };
 168
 169 struct symt_public
 170 {
 171     struct symt                 symt;
 172     struct hash_table_elt       hash_elt;
 173     struct symt*                container;      /* compiland */
 174     unsigned long               address;
 175     unsigned long               size;
 176     unsigned                    in_code : 1,
 177                                 is_function : 1;
 178 };
 179
 180 struct symt_thunk
 181 {
 182     struct symt                 symt;
 183     struct hash_table_elt       hash_elt;
 184     struct symt*                container;      /* compiland */
 185     unsigned long               address;
 186     unsigned long               size;
 187     THUNK_ORDINAL               ordinal;        /* FIXME: doesn't seem to be accessible */
 188 };
 189
 190 /* class tree */
 191 struct symt_array
 192 {
 193     struct symt                 symt;
 194     int                         start;
 195     int                         end;
 196     struct symt*                basetype;
 197 };
 198
 199 struct symt_basic
 200 {
 201     struct symt                 symt;
 202     struct hash_table_elt       hash_elt;
 203     enum BasicType              bt;
 204     unsigned long               size;
 205 };
 206
 207 struct symt_enum
 208 {
 209     struct symt                 symt;
 210     const char*                 name;
 211     struct vector               vchildren;
 212 };
 213
 214 struct symt_function_signature
 215 {
 216     struct symt                 symt;
 217     struct symt*                rettype;
 218     struct vector               vchildren;
 219 };
 220
 221 struct symt_pointer
 222 {
 223     struct symt                 symt;
 224     struct symt*                pointsto;
 225 };
 226
 227 struct symt_typedef
 228 {
 229     struct symt                 symt;
 230     struct hash_table_elt       hash_elt;
 231     struct symt*                type;
 232 };
 233
 234 struct symt_udt
 235 {
 236     struct symt                 symt;
 237     struct hash_table_elt       hash_elt;
 238     enum UdtKind                kind;
 239     int                         size;
 240     struct vector               vchildren;
 241 };
 242
 243 enum module_type
 244 {
 245     DMT_UNKNOWN,        /* for lookup, not actually used for a module */
 246     DMT_ELF,            /* a real ELF shared module */
 247     DMT_PE,             /* a native or builtin PE module */
 248 };
 249
 250 struct module
 251 {
 252     IMAGEHLP_MODULE             module;
 253     struct module*              next;
 254     enum module_type            type;
 255     struct elf_module_info*     elf_info;
 256
 257     /* memory allocation pool */
 258     struct pool                 pool;
 259
 260     /* symbol tables */
 261     int                         sortlist_valid;
 262     struct symt_ht**            addr_sorttab;
 263     struct hash_table           ht_symbols;
 264
 265     /* types */
 266     struct hash_table           ht_types;
 267     struct vector               vtypes;
 268
 269     /* source files */
 270     unsigned                    sources_used;
 271     unsigned                    sources_alloc;
 272     char*                       sources;
 273 };
 274
 275 struct process
 276 {
 277     struct process*             next;
 278     HANDLE                      handle;
 279     char*                       search_path;
 280
 281     struct module*              lmodules;
 282     unsigned long               dbg_hdr_addr;
 283
 284     IMAGEHLP_STACK_FRAME        ctx_frame;
 285 };
 286
 287 /* dbghelp.c */
 288 extern struct process* process_find_by_handle(HANDLE hProcess);
 289
 290 /* elf_module.c */
 291 extern BOOL         elf_load_debug_info(struct module* module);
 292 extern struct module*
 293                     elf_load_module(struct process* pcs, const char* name);
 294 extern BOOL         elf_read_wine_loader_dbg_info(struct process* pcs);
 295 extern BOOL         elf_synchronize_module_list(struct process* pcs);
 296
 297 /* memory.c */
 298 struct memory_access
 299 {
 300     BOOL        (*read_mem)(HANDLE hProcess, DWORD addr, void* buf, DWORD len);
 301     BOOL        (*write_mem)(HANDLE hProcess, DWORD addr, void* buf, DWORD len);
 302 };
 303
 304 extern struct memory_access mem_access;
 305 #define read_mem(p,a,b,l) (mem_access.read_mem)((p),(a),(b),(l))
 306 #define write_mem(p,a,b,l) (mem_access.write_mem)((p),(a),(b),(l))
 307 extern unsigned long WINAPI addr_to_linear(HANDLE hProcess, HANDLE hThread, ADDRESS* addr);
 308
 309 /* module.c */
 310 extern struct module*
 311                     module_find_by_addr(const struct process* pcs, unsigned long addr,
 312                                         enum module_type type);
 313 extern struct module*
 314                     module_find_by_name(const struct process* pcs,
 315                                         const char* name, enum module_type type);
 316 extern struct module*
 317                     module_get_debug(const struct process* pcs, struct module*);
 318 extern struct module*
 319                     module_new(struct process* pcs, const char* name,
 320                                enum module_type type, unsigned long addr,
 321                                unsigned long size, unsigned long stamp,
 322                                unsigned long checksum);
 323 extern struct module*
 324                     module_get_container(const struct process* pcs,
 325                                          const struct module* inner);
 326 extern struct module*
 327                     module_get_containee(const struct process* pcs,
 328                                          const struct module* inner);
 329 extern void         module_reset_debug_info(struct module* module);
 330 extern BOOL         module_remove(struct process* pcs,
 331                                   struct module* module);
 332 /* msc.c */
 333 extern BOOL         pe_load_debug_directory(const struct process* pcs,
 334                                             struct module* module,
 335                                             const BYTE* file_map,
 336                                             const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg);
 337 /* pe_module.c */
 338 extern struct module*
 339                     pe_load_module(struct process* pcs, char* name,
 340                                    HANDLE hFile, DWORD base, DWORD size);
 341 extern struct module*
 342                     pe_load_module_from_pcs(struct process* pcs, const char* name,
 343                                             const char* mod_name, DWORD base, DWORD size);
 344 extern BOOL         pe_load_debug_info(const struct process* pcs,
 345                                        struct module* module);
 346 /* source.c */
 347 extern unsigned     source_new(struct module* module, const char* source);
 348 extern const char*  source_get(const struct module* module, unsigned idx);
 349
 350 /* stabs.c */
 351 extern BOOL         stabs_parse(struct module* module, const char* addr,
 352                                 unsigned long load_offset,
 353                                 unsigned int staboff, int stablen,
 354                                 unsigned int strtaboff, int strtablen);
 355
 356 /* symbol.c */
 357 extern const char*  symt_get_name(const struct symt* sym);
 358 extern int          symt_cmp_addr(const void* p1, const void* p2);
 359 extern int          symt_find_nearest(struct module* module, DWORD addr);
 360 extern struct symt_compiland*
 361                     symt_new_compiland(struct module* module,
 362                                        const char* filename);
 363 extern struct symt_public*
 364                     symt_new_public(struct module* module,
 365                                     struct symt_compiland* parent,
 366                                     const char* typename,
 367                                     unsigned long address, unsigned size,
 368                                     BOOL in_code, BOOL is_func);
 369 extern struct symt_data*
 370                     symt_new_global_variable(struct module* module,
 371                                              struct symt_compiland* parent,
 372                                              const char* name, unsigned is_static,
 373                                              unsigned long addr, unsigned long size,
 374                                              struct symt* type);
 375 extern struct symt_function*
 376                     symt_new_function(struct module* module,
 377                                       struct symt_compiland* parent,
 378                                       const char* name,
 379                                       unsigned long addr, unsigned long size,
 380                                       struct symt* type);
 381 extern BOOL         symt_normalize_function(struct module* module,
 382                                             struct symt_function* func);
 383 extern void         symt_add_func_line(struct module* module,
 384                                        struct symt_function* func,
 385                                        unsigned source_idx, int line_num,
 386                                        unsigned long offset);
 387 extern struct symt_data*
 388                     symt_add_func_local(struct module* module,
 389                                         struct symt_function* func,
 390                                         int regno, int offset,
 391                                         struct symt_block* block,
 392                                         struct symt* type, const char* name);
 393 extern struct symt_block*
 394                     symt_open_func_block(struct module* module,
 395                                          struct symt_function* func,
 396                                          struct symt_block* block,
 397                                          unsigned pc, unsigned len);
 398 extern struct symt_block*
 399                     symt_close_func_block(struct module* module,
 400                                           struct symt_function* func,
 401                                           struct symt_block* block, unsigned pc);
 402 extern struct symt_function_point*
 403                     symt_add_function_point(struct module* module,
 404                                             struct symt_function* func,
 405                                             enum SymTagEnum point,
 406                                             unsigned offset, const char* name);
 407 extern BOOL         symt_fill_func_line_info(struct module* module,
 408                                              struct symt_function* func,
 409                                              DWORD addr, IMAGEHLP_LINE* line);
 410 extern BOOL         symt_get_func_line_next(struct module* module, PIMAGEHLP_LINE line);
 411 extern struct symt_thunk*
 412                     symt_new_thunk(struct module* module,
 413                                    struct symt_compiland* parent,
 414                                    const char* name, THUNK_ORDINAL ord,
 415                                    unsigned long addr, unsigned long size);
 416
 417 /* type.c */
 418 extern void         symt_init_basic(struct module* module);
 419 extern BOOL         symt_get_info(const struct symt* type,
 420                                   IMAGEHLP_SYMBOL_TYPE_INFO req, void* pInfo);
 421 extern struct symt_basic*
 422                     symt_new_basic(struct module* module, enum BasicType,
 423                                    const char* typename, unsigned size);
 424 extern struct symt_udt*
 425                     symt_new_udt(struct module* module, const char* typename,
 426                                  unsigned size, enum UdtKind kind);
 427 extern BOOL         symt_set_udt_size(struct module* module,
 428                                       struct symt_udt* type, unsigned size);
 429 extern BOOL         symt_add_udt_element(struct module* module,
 430                                          struct symt_udt* udt_type,
 431                                          const char* name,
 432                                          struct symt* elt_type, unsigned offset,
 433                                          unsigned size);
 434 extern struct symt_enum*
 435                     symt_new_enum(struct module* module, const char* typename);
 436 extern BOOL         symt_add_enum_element(struct module* module,
 437                                           struct symt_enum* enum_type,
 438                                           const char* name, int value);
 439 extern struct symt_array*
 440                     symt_new_array(struct module* module, int min, int max,
 441                                    struct symt* base);
 442 extern struct symt_function_signature*
 443                     symt_new_function_signature(struct module* module,
 444                                                 struct symt* ret_type);
 445 extern BOOL         symt_add_function_signature_parameter(struct module* module,
 446                                                           struct symt_function_signature* sig,
 447                                                           struct symt* param);
 448 extern struct symt_pointer*
 449                     symt_new_pointer(struct module* module,
 450                                      struct symt* ref_type);
 451 extern struct symt_typedef*
 452                     symt_new_typedef(struct module* module, struct symt* ref,
 453                                      const char* name);
 454
 455
 456 /* some more Wine extensions */
 457 #define SYMOPT_WINE_WITH_ELF_MODULES 0x40000000