programs/winedbg/debugger.h

   1 /*
   2  * Debugger definitions
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_DEBUGGER_H
  22 #define __WINE_DEBUGGER_H
  23
  24 #include <assert.h>
  25 #include <stdarg.h>
  26
  27 #define NONAMELESSUNION
  28 #define NONAMELESSSTRUCT
  29 #include "ntstatus.h"
  30 #define WIN32_NO_STATUS
  31 #define WIN32_LEAN_AND_MEAN
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "winver.h"
  35 #include "winternl.h"
  36 #include "dbghelp.h"
  37 #include "cvconst.h"
  38 #include "objbase.h"
  39 #include "oaidl.h"
  40 #include <wine/list.h>
  41
  42 #define ADDRSIZE        (dbg_curr_process ? dbg_curr_process->be_cpu->pointer_size : (int)sizeof(void*))
  43 #define ADDRWIDTH       (ADDRSIZE * 2)
  44
  45 /* the debugger uses these exceptions for its internal use */
  46 #define DEBUG_STATUS_OFFSET             0x80003000
  47 #define DEBUG_STATUS_INTERNAL_ERROR     (DEBUG_STATUS_OFFSET+0) /* something went wrong */
  48 #define DEBUG_STATUS_NO_SYMBOL          (DEBUG_STATUS_OFFSET+1) /* no symbol found in lookup */
  49 #define DEBUG_STATUS_DIV_BY_ZERO        (DEBUG_STATUS_OFFSET+2)
  50 #define DEBUG_STATUS_BAD_TYPE           (DEBUG_STATUS_OFFSET+3) /* no type found, when type was expected */
  51 #define DEBUG_STATUS_NO_FIELD           (DEBUG_STATUS_OFFSET+4) /* when dereferencing a struct, the field was not found */
  52 #define DEBUG_STATUS_ABORT              (DEBUG_STATUS_OFFSET+5) /* user aborted on going action */
  53 #define DEBUG_STATUS_CANT_DEREF         (DEBUG_STATUS_OFFSET+6) /* either not deref:able, or index out of bounds */
  54 #define DEBUG_STATUS_NOT_AN_INTEGER     (DEBUG_STATUS_OFFSET+7) /* requiring an integral value */
  55
  56 /*
  57  * Return values for symbol_get_function_line_status.  Used to determine
  58  * what to do when the 'step' command is given.
  59  */
  60 enum dbg_line_status
  61 {
  62     dbg_no_line_info,
  63     dbg_not_on_a_line_number,
  64     dbg_on_a_line_number,
  65     dbg_in_a_thunk,
  66 };
  67
  68 enum dbg_internal_types
  69 {
  70     dbg_itype_first             = 0xffffff00,
  71     dbg_itype_unsigned_int,
  72     dbg_itype_signed_int,
  73     dbg_itype_signed_char_int,
  74     dbg_itype_unsigned_char_int,
  75     dbg_itype_unsigned_short_int,
  76     dbg_itype_signed_short_int,
  77     dbg_itype_unsigned_long_int,
  78     dbg_itype_signed_long_int,
  79     dbg_itype_unsigned_longlong_int,
  80     dbg_itype_signed_longlong_int,
  81
  82     /* they represent the dbg_lg(u)int_t types */
  83     dbg_itype_lgint,
  84     dbg_itype_lguint,
  85
  86     dbg_itype_char,
  87     dbg_itype_wchar,
  88     dbg_itype_short_real, /* aka float */
  89     dbg_itype_real,       /* aka double */
  90     dbg_itype_long_real,  /* aka long double */
  91     dbg_itype_astring,
  92     dbg_itype_ustring,
  93     dbg_itype_segptr,     /* hack for segmented pointers */
  94     dbg_itype_m128a,      /* 128-bit (XMM) registers */
  95     dbg_itype_none              = 0xffffffff
  96 };
  97
  98 /* Largest integers the debugger's compiler can support.
  99  * It's large enough to store a pointer (in debuggee or debugger's address space).
 100  * It can be smaller than the largest integer(s) of the debuggee.
 101  * (eg. 64 bit on PE build of debugger, vs 128 int in ELF build of a library)
 102  */
 103 typedef LONG64  dbg_lgint_t;
 104 typedef ULONG64 dbg_lguint_t;
 105
 106 /* type description (in the following order):
 107  * - if 'id' is dbg_itype_none (whatever 'module' value), the type isn't known
 108  * - if 'module' is 0, it's an internal type (id is one of dbg_itype...)
 109  * - if 'module' is non 0, then 'id' is a type ID referring to module (loaded in
 110  *   dbghelp) which (linear) contains address 'module'.
 111  */
 112 struct dbg_type
 113 {
 114     ULONG               id;
 115     DWORD_PTR           module;
 116 };
 117
 118 struct dbg_lvalue       /* structure to hold left-values... */
 119 {
 120     unsigned            in_debuggee : 1, /* 1 = debuggee address space, 0 = debugger address space */
 121                         bitstart : 8, /* in fact, 7 should be sufficient for underlying 128bit integers */
 122                         bitlen;
 123     ADDRESS64           addr;
 124     struct dbg_type     type;
 125 };
 126
 127 static inline void init_lvalue(struct dbg_lvalue* lv, BOOL in_debuggee, void* addr)
 128 {
 129     lv->in_debuggee = !!in_debuggee;
 130     lv->bitstart = 0;
 131     lv->bitlen = 0;
 132     lv->addr.Mode = AddrModeFlat;
 133     lv->addr.Offset = (DWORD_PTR)addr;
 134     lv->type.module = 0;
 135     lv->type.id = dbg_itype_none;
 136 }
 137
 138 static inline void init_lvalue_in_debugger(struct dbg_lvalue* lv, enum dbg_internal_types it, void* addr)
 139 {
 140     lv->in_debuggee = 0;
 141     lv->bitstart = 0;
 142     lv->bitlen = 0;
 143     lv->addr.Mode = AddrModeFlat;
 144     lv->addr.Offset = (DWORD_PTR)addr;
 145     lv->type.module = 0;
 146     lv->type.id = it;
 147 }
 148
 149 enum dbg_exec_mode
 150 {
 151     dbg_exec_cont,                      /* Continue execution */
 152     dbg_exec_step_over_line,            /* Stepping over a call to next source line */
 153     dbg_exec_step_into_line,            /* Step to next source line, stepping in if needed */
 154     dbg_exec_step_over_insn,            /* Stepping over a call */
 155     dbg_exec_step_into_insn,            /* Single-stepping an instruction */
 156     dbg_exec_finish,                    /* Single-step until we exit current frame */
 157 #if 0
 158     EXEC_STEP_OVER_TRAMPOLINE,  /* Step over trampoline.  Requires that we dig the real
 159                                  * return value off the stack and set breakpoint there -
 160                                  * not at the instr just after the call.
 161                                  */
 162 #endif
 163 };
 164
 165 struct dbg_breakpoint
 166 {
 167     ADDRESS64           addr;
 168     unsigned int        enabled : 1,
 169                         xpoint_type : 2,
 170                         refcount : 13,
 171                         skipcount : 16;
 172     unsigned int        info;
 173     struct              /* only used for watchpoints */
 174     {
 175         BYTE            len : 2;
 176         DWORD64         oldval;
 177     } w;
 178     struct expr*        condition;
 179 };
 180
 181 /* Helper structure */
 182 typedef struct tagTHREADNAME_INFO
 183 {
 184    DWORD   dwType;     /* Must be 0x1000 */
 185    LPCSTR  szName;     /* Pointer to name - limited to 9 bytes (8 characters + terminator) */
 186    DWORD   dwThreadID; /* Thread ID (-1 = caller thread) */
 187    DWORD   dwFlags;    /* Reserved for future use.  Must be zero. */
 188 } THREADNAME_INFO;
 189
 190 typedef union dbg_ctx
 191 {
 192     CONTEXT ctx;
 193     WOW64_CONTEXT x86;
 194 } dbg_ctx_t;
 195
 196 struct dbg_thread
 197 {
 198     struct list                 entry;
 199     struct dbg_process*         process;
 200     HANDLE                      handle;
 201     DWORD                       tid;
 202     void*                       teb;
 203     enum dbg_exec_mode          exec_mode;      /* mode the thread is run (step/run...) */
 204     int                         exec_count;     /* count of mode operations */
 205     ADDRESS_MODE                addr_mode;      /* mode */
 206     int                         stopped_xpoint; /* xpoint on which the thread has stopped (-1 if none) */
 207     struct dbg_breakpoint       step_over_bp;
 208     char                        name[9];
 209     BOOL                        in_exception;   /* TRUE if thread stopped with an exception */
 210     BOOL                        first_chance;   /* TRUE if thread stopped with a first chance exception
 211                                                  *      - only valid when in_exception is TRUE
 212                                                  */
 213     EXCEPTION_RECORD            excpt_record;   /* only valid when in_exception is TRUE */
 214     struct dbg_frame
 215     {
 216         ADDRESS64               addr_pc;
 217         ADDRESS64               addr_frame;
 218         ADDRESS64               addr_stack;
 219         DWORD_PTR               linear_pc;
 220         DWORD_PTR               linear_frame;
 221         DWORD_PTR               linear_stack;
 222         dbg_ctx_t               context;        /* context we got out of stackwalk for this frame */
 223         DWORD                   inline_ctx;
 224         BOOL                    is_ctx_valid;   /* is the context above valid */
 225     }*                          frames;
 226     int                         num_frames;
 227     int                         curr_frame;
 228     BOOL                        suspended;
 229 };
 230
 231 struct dbg_delayed_bp
 232 {
 233     BOOL                        is_symbol;
 234     BOOL                        software_bp;
 235     union
 236     {
 237         struct
 238         {
 239             int                         lineno;
 240             char*                       name;
 241         } symbol;
 242         ADDRESS64               addr;
 243     } u;
 244 };
 245
 246 #define MAX_BREAKPOINTS 100
 247 struct dbg_process
 248 {
 249     struct list                 entry;
 250     HANDLE                      handle;
 251     DWORD                       pid;
 252     const struct be_process_io* process_io;
 253     void*                       pio_data;
 254     const WCHAR*                imageName;
 255     struct list                 threads;
 256     struct backend_cpu*         be_cpu;
 257     HANDLE                      event_on_first_exception;
 258     BOOL                        active_debuggee;
 259     struct dbg_breakpoint       bp[MAX_BREAKPOINTS];
 260     unsigned                    next_bp;
 261     struct dbg_delayed_bp*      delayed_bp;
 262     int                         num_delayed_bp;
 263     struct open_file_list*      source_ofiles;
 264     char*                       search_path;
 265     char                        source_current_file[MAX_PATH];
 266     int                         source_start_line;
 267     int                         source_end_line;
 268 };
 269
 270 /* describes the way the debugger interacts with a given process */
 271 struct be_process_io
 272 {
 273     BOOL        (*close_process)(struct dbg_process*, BOOL);
 274     BOOL        (*read)(HANDLE, const void*, void*, SIZE_T, SIZE_T*);
 275     BOOL        (*write)(HANDLE, void*, const void*, SIZE_T, SIZE_T*);
 276     BOOL        (*get_selector)(HANDLE, DWORD, LDT_ENTRY*);
 277 };
 278
 279 extern  struct dbg_process*     dbg_curr_process;
 280 extern  DWORD                   dbg_curr_pid;
 281 extern  struct dbg_thread*      dbg_curr_thread;
 282 extern  DWORD                   dbg_curr_tid;
 283 extern  dbg_ctx_t               dbg_context;
 284 extern  BOOL                    dbg_interactiveP;
 285 extern  HANDLE                  dbg_houtput;
 286
 287 struct dbg_internal_var
 288 {
 289     DWORD                       val;
 290     const char*                 name;
 291     void*                       pval;
 292     ULONG                       typeid; /* always internal type */
 293 };
 294
 295 enum sym_get_lval {sglv_found, sglv_unknown, sglv_aborted};
 296
 297 enum type_expr_e
 298 {
 299     type_expr_type_id,
 300     type_expr_udt_class,
 301     type_expr_udt_struct,
 302     type_expr_udt_union,
 303     type_expr_enumeration
 304 };
 305
 306 struct type_expr_t
 307 {
 308     enum type_expr_e    type;
 309     unsigned            deref_count;
 310     union
 311     {
 312         struct dbg_type type;
 313         const char*     name;
 314     } u;
 315 };
 316
 317 enum dbg_start {start_ok, start_error_parse, start_error_init};
 318
 319   /* break.c */
 320 extern void             break_set_xpoints(BOOL set);
 321 extern BOOL             break_add_break(const ADDRESS64* addr, BOOL verbose, BOOL swbp);
 322 extern BOOL             break_add_break_from_lvalue(const struct dbg_lvalue* value, BOOL swbp);
 323 extern void             break_add_break_from_id(const char* name, int lineno, BOOL swbp);
 324 extern void             break_add_break_from_lineno(const char *filename, int lineno, BOOL swbp);
 325 extern void             break_add_watch_from_lvalue(const struct dbg_lvalue* lvalue, BOOL is_write);
 326 extern void             break_add_watch_from_id(const char* name, BOOL is_write);
 327 extern void             break_check_delayed_bp(void);
 328 extern void             break_delete_xpoint(int num);
 329 extern void             break_delete_xpoints_from_module(DWORD64 base);
 330 extern void             break_enable_xpoint(int num, BOOL enable);
 331 extern void             break_info(void);
 332 extern void             break_adjust_pc(ADDRESS64* addr, DWORD code, BOOL first_chance, BOOL* is_break);
 333 extern BOOL             break_should_continue(ADDRESS64* addr, DWORD code);
 334 extern void             break_suspend_execution(void);
 335 extern void             break_restart_execution(int count);
 336 extern int              break_add_condition(int bpnum, struct expr* exp);
 337
 338   /* crashdlg.c */
 339 extern int              display_crash_dialog(void);
 340 extern HANDLE           display_crash_details(HANDLE event);
 341 extern int              msgbox_res_id(HWND hwnd, UINT textId, UINT captionId, UINT uType);
 342
 343   /* dbg.y */
 344 extern void             parser_handle(const char*, HANDLE);
 345 extern int              input_read_line(const char* pfx, char* buffer, int size);
 346 extern size_t           input_lex_read_buffer(char* pfx, int size);
 347 extern HANDLE           WINAPIV parser_generate_command_file(const char*, ...);
 348
 349   /* debug.l */
 350 extern void             lexeme_flush(void);
 351 extern char*            lexeme_alloc_size(int);
 352
 353   /* display.c */
 354 extern BOOL             display_print(void);
 355 extern BOOL             display_add(struct expr* exp, int count, char format);
 356 extern BOOL             display_delete(int displaynum);
 357 extern BOOL             display_info(void);
 358 extern BOOL             display_enable(int displaynum, int enable);
 359
 360   /* expr.c */
 361 extern void             expr_free_all(void);
 362 extern struct expr*     expr_alloc_internal_var(const char* name);
 363 extern struct expr*     expr_alloc_symbol(const char* name);
 364 extern struct expr*     expr_alloc_sconstant(dbg_lgint_t val);
 365 extern struct expr*     expr_alloc_uconstant(dbg_lguint_t val);
 366 extern struct expr*     expr_alloc_string(const char* str);
 367 extern struct expr*     expr_alloc_binary_op(int oper, struct expr*, struct expr*);
 368 extern struct expr*     expr_alloc_unary_op(int oper, struct expr*);
 369 extern struct expr*     expr_alloc_pstruct(struct expr*, const char* element);
 370 extern struct expr*     expr_alloc_struct(struct expr*, const char* element);
 371 extern struct expr*     WINAPIV expr_alloc_func_call(const char*, int nargs, ...);
 372 extern struct expr*     expr_alloc_typecast(struct type_expr_t*, struct expr*);
 373 extern struct dbg_lvalue expr_eval(struct expr*);
 374 extern struct expr*     expr_clone(const struct expr* exp, BOOL *local_binding);
 375 extern BOOL             expr_free(struct expr* exp);
 376 extern BOOL             expr_print(const struct expr* exp);
 377
 378   /* info.c */
 379 extern void             print_help(void);
 380 extern void             info_help(void);
 381 extern void             info_win32_module(DWORD64 mod);
 382 extern void             info_win32_class(HWND hWnd, const char* clsName);
 383 extern void             info_win32_window(HWND hWnd, BOOL detailed);
 384 extern void             info_win32_processes(void);
 385 extern void             info_win32_threads(void);
 386 extern void             info_win32_frame_exceptions(DWORD tid);
 387 extern void             info_win32_virtual(DWORD pid);
 388 extern void             info_win32_segments(DWORD start, int length);
 389 extern void             info_win32_exception(void);
 390 extern void             info_wine_dbg_channel(BOOL add, const char* chnl, const char* name);
 391
 392   /* memory.c */
 393 extern BOOL             memory_read_value(const struct dbg_lvalue* lvalue, DWORD size, void* result);
 394 extern BOOL             memory_write_value(const struct dbg_lvalue* val, DWORD size, void* value);
 395 extern BOOL             memory_transfer_value(const struct dbg_lvalue* to, const struct dbg_lvalue* from);
 396 extern BOOL             memory_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size,
 397                                              BOOL is_signed, dbg_lgint_t* ret);
 398 extern BOOL             memory_store_integer(const struct dbg_lvalue* lvalue, dbg_lgint_t val);
 399 extern BOOL             memory_fetch_float(const struct dbg_lvalue* lvalue, double *ret);
 400 extern BOOL             memory_store_float(const struct dbg_lvalue* lvalue, double *ret);
 401 extern void             memory_examine(const struct dbg_lvalue *lvalue, int count, char format);
 402 extern void*            memory_to_linear_addr(const ADDRESS64* address);
 403 extern BOOL             memory_get_current_pc(ADDRESS64* address);
 404 extern BOOL             memory_get_current_stack(ADDRESS64* address);
 405 extern BOOL             memory_get_string(struct dbg_process* pcs, void* addr, BOOL in_debuggee, BOOL unicode, char* buffer, int size);
 406 extern BOOL             memory_get_string_indirect(struct dbg_process* pcs, void* addr, BOOL unicode, WCHAR* buffer, int size);
 407 extern BOOL             memory_get_register(DWORD regno, DWORD_PTR** value, char* buffer, int len);
 408 extern void             memory_disassemble(const struct dbg_lvalue*, const struct dbg_lvalue*, int instruction_count);
 409 extern BOOL             memory_disasm_one_insn(ADDRESS64* addr);
 410 #define MAX_OFFSET_TO_STR_LEN 19
 411 extern char*            memory_offset_to_string(char *str, DWORD64 offset, unsigned mode);
 412 extern void             print_bare_address(const ADDRESS64* addr);
 413 extern void             print_address(const ADDRESS64* addr, BOOLEAN with_line);
 414 extern void             print_basic(const struct dbg_lvalue* value, char format);
 415
 416   /* source.c */
 417 extern void             source_list(IMAGEHLP_LINE64* src1, IMAGEHLP_LINE64* src2, int delta);
 418 extern void             source_list_from_addr(const ADDRESS64* addr, int nlines);
 419 extern void             source_show_path(void);
 420 extern void             source_add_path(const char* path);
 421 extern void             source_nuke_path(struct dbg_process* p);
 422 extern void             source_free_files(struct dbg_process* p);
 423
 424   /* stack.c */
 425 extern void             stack_info(int len);
 426 extern void             stack_backtrace(DWORD threadID);
 427 extern BOOL             stack_set_frame(int newframe);
 428 extern BOOL             stack_get_register_frame(const struct dbg_internal_var* div, DWORD_PTR** pval);
 429 extern unsigned         stack_fetch_frames(const dbg_ctx_t *ctx);
 430 extern BOOL             stack_get_current_symbol(SYMBOL_INFO* sym);
 431 static inline struct dbg_frame*
 432                         stack_get_thread_frame(struct dbg_thread* thd, unsigned nf)
 433 {
 434     if (!thd->frames || nf >= thd->num_frames) return NULL;
 435     return &thd->frames[nf];
 436 }
 437 static inline struct dbg_frame*
 438                         stack_get_curr_frame(void)
 439 {
 440     return stack_get_thread_frame(dbg_curr_thread, dbg_curr_thread->curr_frame);
 441 }
 442
 443   /* symbol.c */
 444 extern enum sym_get_lval symbol_get_lvalue(const char* name, const int lineno, struct dbg_lvalue* addr, BOOL bp_disp);
 445 extern void             symbol_read_symtable(const char* filename, ULONG_PTR offset);
 446 extern enum dbg_line_status symbol_get_function_line_status(const ADDRESS64* addr);
 447 extern BOOL             symbol_get_line(const char* filename, const char* func, IMAGEHLP_LINE64* ret);
 448 extern void             symbol_info(const char* str);
 449 extern void             symbol_print_local(const SYMBOL_INFO* sym, DWORD_PTR base, BOOL detailed);
 450 extern BOOL             symbol_info_locals(void);
 451 extern BOOL             symbol_is_local(const char* name);
 452 struct sgv_data;
 453 typedef enum sym_get_lval (*symbol_picker_t)(const char* name, const struct sgv_data* sgv,
 454                                              struct dbg_lvalue* rtn);
 455 extern symbol_picker_t symbol_current_picker;
 456 extern enum sym_get_lval symbol_picker_interactive(const char* name, const struct sgv_data* sgv,
 457                                                    struct dbg_lvalue* rtn);
 458 extern enum sym_get_lval symbol_picker_scoped(const char* name, const struct sgv_data* sgv,
 459                                               struct dbg_lvalue* rtn);
 460
 461   /* tgt_active.c */
 462 struct list_string
 463 {
 464     char* string;
 465     struct list_string* next;
 466 };
 467 extern void             dbg_run_debuggee(struct list_string* ls);
 468 extern void             dbg_wait_next_exception(DWORD cont, int count, int mode);
 469 extern enum dbg_start   dbg_active_attach(int argc, char* argv[]);
 470 extern BOOL             dbg_set_curr_thread(DWORD tid);
 471 extern enum dbg_start   dbg_active_launch(int argc, char* argv[]);
 472 extern enum dbg_start   dbg_active_auto(int argc, char* argv[]);
 473 extern enum dbg_start   dbg_active_minidump(int argc, char* argv[]);
 474 extern void             dbg_active_wait_for_first_exception(void);
 475 extern BOOL             dbg_attach_debuggee(DWORD pid);
 476 extern void             fetch_module_name(void* name_addr, void* mod_addr, WCHAR* buffer, size_t bufsz);
 477
 478   /* tgt_minidump.c */
 479 extern void             minidump_write(const char*, const EXCEPTION_RECORD*);
 480 extern enum dbg_start   minidump_reload(int argc, char* argv[]);
 481
 482   /* tgt_module.c */
 483 extern enum dbg_start   tgt_module_load(const char* name, BOOL keep);
 484
 485   /* types.c */
 486 extern void             print_value(const struct dbg_lvalue* addr, char format, int level);
 487 extern BOOL             types_print_type(const struct dbg_type*, BOOL details);
 488 extern BOOL             print_types(void);
 489 extern dbg_lgint_t      types_extract_as_integer(const struct dbg_lvalue*);
 490 extern dbg_lgint_t      types_extract_as_lgint(const struct dbg_lvalue*, unsigned* psize, BOOL *pissigned);
 491 extern void             types_extract_as_address(const struct dbg_lvalue*, ADDRESS64*);
 492 extern BOOL             types_store_value(struct dbg_lvalue* lvalue_to, const struct dbg_lvalue* lvalue_from);
 493 extern BOOL             types_udt_find_element(struct dbg_lvalue* value, const char* name);
 494 extern BOOL             types_array_index(const struct dbg_lvalue* value, int index, struct dbg_lvalue* result);
 495 extern BOOL             types_get_info(const struct dbg_type*, IMAGEHLP_SYMBOL_TYPE_INFO, void*);
 496 extern BOOL             types_get_real_type(struct dbg_type* type, DWORD* tag);
 497 extern struct dbg_type  types_find_pointer(const struct dbg_type* type);
 498 extern struct dbg_type  types_find_type(DWORD64 linear, const char* name, enum SymTagEnum tag);
 499 extern BOOL             types_compare(const struct dbg_type, const struct dbg_type, BOOL* equal);
 500 extern BOOL             types_is_integral_type(const struct dbg_lvalue*);
 501 extern BOOL             types_is_float_type(const struct dbg_lvalue*);
 502
 503   /* winedbg.c */
 504 extern void             dbg_outputW(const WCHAR* buffer, int len);
 505 extern const char*      dbg_W2A(const WCHAR* buffer, unsigned len);
 506 #ifdef __GNUC__
 507 extern int WINAPIV      dbg_printf(const char* format, ...) __attribute__((format (printf,1,2)));
 508 #else
 509 extern int WINAPIV      dbg_printf(const char* format, ...);
 510 #endif
 511 extern const struct dbg_internal_var* dbg_get_internal_var(const char*);
 512 extern BOOL             dbg_interrupt_debuggee(void);
 513 extern unsigned         dbg_num_processes(void);
 514 extern struct dbg_process* dbg_add_process(const struct be_process_io* pio, DWORD pid, HANDLE h);
 515 extern void             dbg_set_process_name(struct dbg_process* p, const WCHAR* name);
 516 extern struct dbg_process* dbg_get_process(DWORD pid);
 517 extern struct dbg_process* dbg_get_process_h(HANDLE handle);
 518 extern void             dbg_del_process(struct dbg_process* p);
 519 struct dbg_thread*      dbg_add_thread(struct dbg_process* p, DWORD tid, HANDLE h, void* teb);
 520 extern struct dbg_thread* dbg_get_thread(struct dbg_process* p, DWORD tid);
 521 extern void             dbg_del_thread(struct dbg_thread* t);
 522 extern BOOL             dbg_init(HANDLE hProc, const WCHAR* in, BOOL invade);
 523 extern BOOL             dbg_load_module(HANDLE hProc, HANDLE hFile, const WCHAR* name, DWORD_PTR base, DWORD size);
 524 extern void             dbg_set_option(const char*, const char*);
 525 extern void             dbg_start_interactive(const char*, HANDLE hFile);
 526 extern void             dbg_init_console(void);
 527
 528   /* gdbproxy.c */
 529 extern int              gdb_main(int argc, char* argv[]);
 530
 531 static inline BOOL dbg_read_memory(const void* addr, void* buffer, size_t len)
 532 {
 533     SIZE_T rlen;
 534     return dbg_curr_process->process_io->read(dbg_curr_process->handle, addr, buffer, len, &rlen) && len == rlen;
 535 }
 536
 537 static inline BOOL dbg_write_memory(void* addr, const void* buffer, size_t len)
 538 {
 539     SIZE_T wlen;
 540     return dbg_curr_process->process_io->write(dbg_curr_process->handle, addr, buffer, len, &wlen) && len == wlen;
 541 }
 542
 543 static inline void* dbg_heap_realloc(void* buffer, size_t size)
 544 {
 545     return (buffer) ? HeapReAlloc(GetProcessHeap(), 0, buffer, size) :
 546         HeapAlloc(GetProcessHeap(), 0, size);
 547 }
 548
 549 extern struct dbg_internal_var          dbg_internal_vars[];
 550
 551 #define  DBG_IVARNAME(_var)     dbg_internal_var_##_var
 552 #define  DBG_IVARSTRUCT(_var)   dbg_internal_vars[DBG_IVARNAME(_var)]
 553 #define  DBG_IVAR(_var)         (DBG_IVARSTRUCT(_var).val)
 554 #define  INTERNAL_VAR(_var,_val,_ref,itype) DBG_IVARNAME(_var),
 555 enum debug_int_var
 556 {
 557 #include "intvar.h"
 558    DBG_IV_LAST
 559 };
 560 #undef   INTERNAL_VAR
 561
 562 /* include CPU dependent bits */
 563 #include "be_cpu.h"
 564
 565 #endif  /* __WINE_DEBUGGER_H */