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->be_cpu->pointer_size)
  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     dbg_itype_char,
  82     dbg_itype_wchar,
  83     dbg_itype_short_real, /* aka float */
  84     dbg_itype_real,       /* aka double */
  85     dbg_itype_long_real,  /* aka long double */
  86     dbg_itype_astring,
  87     dbg_itype_ustring,
  88     dbg_itype_segptr,     /* hack for segmented pointers */
  89     dbg_itype_m128a,      /* 128-bit (XMM) registers */
  90     dbg_itype_none              = 0xffffffff
  91 };
  92
  93 /* type description (in the following order):
  94  * - if 'id' is dbg_itype_none (whatever 'module' value), the type isn't known
  95  * - if 'module' is 0, it's an internal type (id is one of dbg_itype...)
  96  * - if 'module' is non 0, then 'id' is a type ID referring to module (loaded in
  97  *   dbghelp) which (linear) contains address 'module'.
  98  */
  99 struct dbg_type
 100 {
 101     unsigned long       id;
 102     DWORD_PTR           module;
 103 };
 104
 105 struct dbg_lvalue       /* structure to hold left-values... */
 106 {
 107     int                 cookie; /* DLV_??? */
 108 /* DLV_TARGET references an address in debuggee's address space, whereas DLV_HOST
 109  * references the winedbg's address space
 110  */
 111 #       define  DLV_TARGET      0xF00D
 112 #       define  DLV_HOST        0x50DA
 113     ADDRESS64           addr;
 114     struct dbg_type     type;
 115 };
 116
 117 enum dbg_exec_mode
 118 {
 119     dbg_exec_cont,                      /* Continue execution */
 120     dbg_exec_step_over_line,            /* Stepping over a call to next source line */
 121     dbg_exec_step_into_line,            /* Step to next source line, stepping in if needed */
 122     dbg_exec_step_over_insn,            /* Stepping over a call */
 123     dbg_exec_step_into_insn,            /* Single-stepping an instruction */
 124     dbg_exec_finish,                    /* Single-step until we exit current frame */
 125 #if 0
 126     EXEC_STEP_OVER_TRAMPOLINE,  /* Step over trampoline.  Requires that we dig the real
 127                                  * return value off the stack and set breakpoint there -
 128                                  * not at the instr just after the call.
 129                                  */
 130 #endif
 131 };
 132
 133 struct dbg_breakpoint
 134 {
 135     ADDRESS64           addr;
 136     unsigned long       enabled : 1,
 137                         xpoint_type : 2,
 138                         refcount : 13,
 139                         skipcount : 16;
 140     unsigned long       info;
 141     struct              /* only used for watchpoints */
 142     {
 143         BYTE            len : 2;
 144         DWORD64         oldval;
 145     } w;
 146     struct expr*        condition;
 147 };
 148
 149 /* Helper structure */
 150 typedef struct tagTHREADNAME_INFO
 151 {
 152    DWORD   dwType;     /* Must be 0x1000 */
 153    LPCSTR  szName;     /* Pointer to name - limited to 9 bytes (8 characters + terminator) */
 154    DWORD   dwThreadID; /* Thread ID (-1 = caller thread) */
 155    DWORD   dwFlags;    /* Reserved for future use.  Must be zero. */
 156 } THREADNAME_INFO;
 157
 158 typedef union dbg_ctx
 159 {
 160     CONTEXT ctx;
 161     WOW64_CONTEXT x86;
 162 } dbg_ctx_t;
 163
 164 struct dbg_thread
 165 {
 166     struct list                 entry;
 167     struct dbg_process*         process;
 168     HANDLE                      handle;
 169     DWORD                       tid;
 170     void*                       teb;
 171     enum dbg_exec_mode          exec_mode;      /* mode the thread is run (step/run...) */
 172     int                         exec_count;     /* count of mode operations */
 173     ADDRESS_MODE                addr_mode;      /* mode */
 174     int                         stopped_xpoint; /* xpoint on which the thread has stopped (-1 if none) */
 175     struct dbg_breakpoint       step_over_bp;
 176     char                        name[9];
 177     BOOL                        in_exception;   /* TRUE if thread stopped with an exception */
 178     BOOL                        first_chance;   /* TRUE if thread stopped with a first chance exception
 179                                                  *      - only valid when in_exception is TRUE
 180                                                  */
 181     EXCEPTION_RECORD            excpt_record;   /* only valid when in_exception is TRUE */
 182     struct
 183     {
 184         ADDRESS64               addr_pc;
 185         ADDRESS64               addr_frame;
 186         ADDRESS64               addr_stack;
 187         DWORD_PTR               linear_pc;
 188         DWORD_PTR               linear_frame;
 189         DWORD_PTR               linear_stack;
 190         dbg_ctx_t               context;        /* context we got out of stackwalk for this frame */
 191         BOOL                    is_ctx_valid;   /* is the context above valid */
 192     }*                          frames;
 193     int                         num_frames;
 194     int                         curr_frame;
 195     BOOL                        suspended;
 196 };
 197
 198 struct dbg_delayed_bp
 199 {
 200     BOOL                        is_symbol;
 201     BOOL                        software_bp;
 202     union
 203     {
 204         struct
 205         {
 206             int                         lineno;
 207             char*                       name;
 208         } symbol;
 209         ADDRESS64               addr;
 210     } u;
 211 };
 212
 213 #define MAX_BREAKPOINTS 100
 214 struct dbg_process
 215 {
 216     struct list                 entry;
 217     HANDLE                      handle;
 218     DWORD                       pid;
 219     const struct be_process_io* process_io;
 220     void*                       pio_data;
 221     const WCHAR*                imageName;
 222     struct list                 threads;
 223     struct backend_cpu*         be_cpu;
 224     HANDLE                      event_on_first_exception;
 225     BOOL                        active_debuggee;
 226     struct dbg_breakpoint       bp[MAX_BREAKPOINTS];
 227     unsigned                    next_bp;
 228     struct dbg_delayed_bp*      delayed_bp;
 229     int                         num_delayed_bp;
 230     struct open_file_list*      source_ofiles;
 231     char*                       search_path;
 232     char                        source_current_file[MAX_PATH];
 233     int                         source_start_line;
 234     int                         source_end_line;
 235 };
 236
 237 /* describes the way the debugger interacts with a given process */
 238 struct be_process_io
 239 {
 240     BOOL        (*close_process)(struct dbg_process*, BOOL);
 241     BOOL        (*read)(HANDLE, const void*, void*, SIZE_T, SIZE_T*);
 242     BOOL        (*write)(HANDLE, void*, const void*, SIZE_T, SIZE_T*);
 243     BOOL        (*get_selector)(HANDLE, DWORD, LDT_ENTRY*);
 244 };
 245
 246 extern  struct dbg_process*     dbg_curr_process;
 247 extern  DWORD_PTR               dbg_curr_pid;
 248 extern  struct dbg_thread*      dbg_curr_thread;
 249 extern  DWORD_PTR               dbg_curr_tid;
 250 extern  dbg_ctx_t               dbg_context;
 251 extern  BOOL                    dbg_interactiveP;
 252 extern  HANDLE                  dbg_houtput;
 253
 254 struct dbg_internal_var
 255 {
 256     DWORD_PTR                   val;
 257     const char*                 name;
 258     DWORD_PTR                   *pval;
 259     unsigned long               typeid; /* always internal type */
 260 };
 261
 262 enum sym_get_lval {sglv_found, sglv_unknown, sglv_aborted};
 263
 264 enum type_expr_e
 265 {
 266     type_expr_type_id,
 267     type_expr_udt_class,
 268     type_expr_udt_struct,
 269     type_expr_udt_union,
 270     type_expr_enumeration
 271 };
 272
 273 struct type_expr_t
 274 {
 275     enum type_expr_e    type;
 276     unsigned            deref_count;
 277     union
 278     {
 279         struct dbg_type type;
 280         const char*     name;
 281     } u;
 282 };
 283
 284 enum dbg_start {start_ok, start_error_parse, start_error_init};
 285
 286   /* break.c */
 287 extern void             break_set_xpoints(BOOL set);
 288 extern BOOL             break_add_break(const ADDRESS64* addr, BOOL verbose, BOOL swbp);
 289 extern BOOL             break_add_break_from_lvalue(const struct dbg_lvalue* value, BOOL swbp);
 290 extern void             break_add_break_from_id(const char* name, int lineno, BOOL swbp);
 291 extern void             break_add_break_from_lineno(const char *filename, int lineno, BOOL swbp);
 292 extern void             break_add_watch_from_lvalue(const struct dbg_lvalue* lvalue, BOOL is_write);
 293 extern void             break_add_watch_from_id(const char* name, BOOL is_write);
 294 extern void             break_check_delayed_bp(void);
 295 extern void             break_delete_xpoint(int num);
 296 extern void             break_delete_xpoints_from_module(DWORD64 base);
 297 extern void             break_enable_xpoint(int num, BOOL enable);
 298 extern void             break_info(void);
 299 extern void             break_adjust_pc(ADDRESS64* addr, DWORD code, BOOL first_chance, BOOL* is_break);
 300 extern BOOL             break_should_continue(ADDRESS64* addr, DWORD code);
 301 extern void             break_suspend_execution(void);
 302 extern void             break_restart_execution(int count);
 303 extern int              break_add_condition(int bpnum, struct expr* exp);
 304
 305   /* crashdlg.c */
 306 extern int              display_crash_dialog(void);
 307 extern HANDLE           display_crash_details(HANDLE event);
 308 extern int              msgbox_res_id(HWND hwnd, UINT textId, UINT captionId, UINT uType);
 309
 310   /* dbg.y */
 311 extern void             parser_handle(HANDLE);
 312 extern int              input_read_line(const char* pfx, char* buffer, int size);
 313 extern int              input_fetch_entire_line(const char* pfx, char** line);
 314 extern HANDLE           parser_generate_command_file(const char*, ...);
 315
 316   /* debug.l */
 317 extern void             lexeme_flush(void);
 318 extern char*            lexeme_alloc_size(int);
 319
 320   /* display.c */
 321 extern BOOL             display_print(void);
 322 extern BOOL             display_add(struct expr* exp, int count, char format);
 323 extern BOOL             display_delete(int displaynum);
 324 extern BOOL             display_info(void);
 325 extern BOOL             display_enable(int displaynum, int enable);
 326
 327   /* expr.c */
 328 extern void             expr_free_all(void);
 329 extern struct expr*     expr_alloc_internal_var(const char* name);
 330 extern struct expr*     expr_alloc_symbol(const char* name);
 331 extern struct expr*     expr_alloc_sconstant(long int val);
 332 extern struct expr*     expr_alloc_uconstant(long unsigned val);
 333 extern struct expr*     expr_alloc_string(const char* str);
 334 extern struct expr*     expr_alloc_binary_op(int oper, struct expr*, struct expr*);
 335 extern struct expr*     expr_alloc_unary_op(int oper, struct expr*);
 336 extern struct expr*     expr_alloc_pstruct(struct expr*, const char* element);
 337 extern struct expr*     expr_alloc_struct(struct expr*, const char* element);
 338 extern struct expr*     expr_alloc_func_call(const char*, int nargs, ...);
 339 extern struct expr*     expr_alloc_typecast(struct type_expr_t*, struct expr*);
 340 extern struct dbg_lvalue expr_eval(struct expr*);
 341 extern struct expr*     expr_clone(const struct expr* exp, BOOL *local_binding);
 342 extern BOOL             expr_free(struct expr* exp);
 343 extern BOOL             expr_print(const struct expr* exp);
 344
 345   /* info.c */
 346 extern void             print_help(void);
 347 extern void             info_help(void);
 348 extern void             info_win32_module(DWORD64 mod);
 349 extern void             info_win32_class(HWND hWnd, const char* clsName);
 350 extern void             info_win32_window(HWND hWnd, BOOL detailed);
 351 extern void             info_win32_processes(void);
 352 extern void             info_win32_threads(void);
 353 extern void             info_win32_frame_exceptions(DWORD tid);
 354 extern void             info_win32_virtual(DWORD pid);
 355 extern void             info_win32_segments(DWORD start, int length);
 356 extern void             info_win32_exception(void);
 357 extern void             info_wine_dbg_channel(BOOL add, const char* chnl, const char* name);
 358
 359   /* memory.c */
 360 extern BOOL             memory_read_value(const struct dbg_lvalue* lvalue, DWORD size, void* result);
 361 extern BOOL             memory_write_value(const struct dbg_lvalue* val, DWORD size, void* value);
 362 extern void             memory_examine(const struct dbg_lvalue *lvalue, int count, char format);
 363 extern void*            memory_to_linear_addr(const ADDRESS64* address);
 364 extern BOOL             memory_get_current_pc(ADDRESS64* address);
 365 extern BOOL             memory_get_current_stack(ADDRESS64* address);
 366 extern BOOL             memory_get_string(struct dbg_process* pcs, void* addr, BOOL in_debuggee, BOOL unicode, char* buffer, int size);
 367 extern BOOL             memory_get_string_indirect(struct dbg_process* pcs, void* addr, BOOL unicode, WCHAR* buffer, int size);
 368 extern BOOL             memory_get_register(DWORD regno, DWORD_PTR** value, char* buffer, int len);
 369 extern void             memory_disassemble(const struct dbg_lvalue*, const struct dbg_lvalue*, int instruction_count);
 370 extern BOOL             memory_disasm_one_insn(ADDRESS64* addr);
 371 #define MAX_OFFSET_TO_STR_LEN 19
 372 extern char*            memory_offset_to_string(char *str, DWORD64 offset, unsigned mode);
 373 extern void             print_bare_address(const ADDRESS64* addr);
 374 extern void             print_address(const ADDRESS64* addr, BOOLEAN with_line);
 375 extern void             print_basic(const struct dbg_lvalue* value, char format);
 376
 377   /* source.c */
 378 extern void             source_list(IMAGEHLP_LINE64* src1, IMAGEHLP_LINE64* src2, int delta);
 379 extern void             source_list_from_addr(const ADDRESS64* addr, int nlines);
 380 extern void             source_show_path(void);
 381 extern void             source_add_path(const char* path);
 382 extern void             source_nuke_path(struct dbg_process* p);
 383 extern void             source_free_files(struct dbg_process* p);
 384
 385   /* stack.c */
 386 extern void             stack_info(int len);
 387 extern void             stack_backtrace(DWORD threadID);
 388 extern BOOL             stack_set_frame(int newframe);
 389 extern BOOL             stack_get_current_frame(IMAGEHLP_STACK_FRAME* ihsf);
 390 extern BOOL             stack_get_register_frame(const struct dbg_internal_var* div, DWORD_PTR** pval);
 391 extern unsigned         stack_fetch_frames(const dbg_ctx_t *ctx);
 392 extern BOOL             stack_get_current_symbol(SYMBOL_INFO* sym);
 393
 394   /* symbol.c */
 395 extern enum sym_get_lval symbol_get_lvalue(const char* name, const int lineno, struct dbg_lvalue* addr, BOOL bp_disp);
 396 extern void             symbol_read_symtable(const char* filename, unsigned long offset);
 397 extern enum dbg_line_status symbol_get_function_line_status(const ADDRESS64* addr);
 398 extern BOOL             symbol_get_line(const char* filename, const char* func, IMAGEHLP_LINE64* ret);
 399 extern void             symbol_info(const char* str);
 400 extern void             symbol_print_local(const SYMBOL_INFO* sym, DWORD_PTR base, BOOL detailed);
 401 extern BOOL             symbol_info_locals(void);
 402 extern BOOL             symbol_is_local(const char* name);
 403 struct sgv_data;
 404 typedef enum sym_get_lval (*symbol_picker_t)(const char* name, const struct sgv_data* sgv,
 405                                              struct dbg_lvalue* rtn);
 406 extern symbol_picker_t symbol_current_picker;
 407 extern enum sym_get_lval symbol_picker_interactive(const char* name, const struct sgv_data* sgv,
 408                                                    struct dbg_lvalue* rtn);
 409 extern enum sym_get_lval symbol_picker_scoped(const char* name, const struct sgv_data* sgv,
 410                                               struct dbg_lvalue* rtn);
 411
 412   /* tgt_active.c */
 413 extern void             dbg_run_debuggee(const char* args);
 414 extern void             dbg_wait_next_exception(DWORD cont, int count, int mode);
 415 extern enum dbg_start   dbg_active_attach(int argc, char* argv[]);
 416 extern BOOL             dbg_set_curr_thread(DWORD tid);
 417 extern enum dbg_start   dbg_active_launch(int argc, char* argv[]);
 418 extern enum dbg_start   dbg_active_auto(int argc, char* argv[]);
 419 extern enum dbg_start   dbg_active_minidump(int argc, char* argv[]);
 420 extern void             dbg_active_wait_for_first_exception(void);
 421 extern BOOL             dbg_attach_debuggee(DWORD pid);
 422 extern void             fetch_module_name(void* name_addr, void* mod_addr, WCHAR* buffer, size_t bufsz);
 423
 424   /* tgt_minidump.c */
 425 extern void             minidump_write(const char*, const EXCEPTION_RECORD*);
 426 extern enum dbg_start   minidump_reload(int argc, char* argv[]);
 427
 428   /* tgt_module.c */
 429 extern enum dbg_start   tgt_module_load(const char* name, BOOL keep);
 430
 431   /* types.c */
 432 extern void             print_value(const struct dbg_lvalue* addr, char format, int level);
 433 extern BOOL             types_print_type(const struct dbg_type*, BOOL details);
 434 extern BOOL             print_types(void);
 435 extern long int         types_extract_as_integer(const struct dbg_lvalue*);
 436 extern LONGLONG         types_extract_as_longlong(const struct dbg_lvalue*, unsigned* psize, BOOL *pissigned);
 437 extern void             types_extract_as_address(const struct dbg_lvalue*, ADDRESS64*);
 438 extern BOOL             types_store_value(struct dbg_lvalue* lvalue_to, const struct dbg_lvalue* lvalue_from);
 439 extern BOOL             types_udt_find_element(struct dbg_lvalue* value, const char* name, long int* tmpbuf);
 440 extern BOOL             types_array_index(const struct dbg_lvalue* value, int index, struct dbg_lvalue* result);
 441 extern BOOL             types_get_info(const struct dbg_type*, IMAGEHLP_SYMBOL_TYPE_INFO, void*);
 442 extern BOOL             types_get_real_type(struct dbg_type* type, DWORD* tag);
 443 extern struct dbg_type  types_find_pointer(const struct dbg_type* type);
 444 extern struct dbg_type  types_find_type(unsigned long linear, const char* name, enum SymTagEnum tag);
 445
 446   /* winedbg.c */
 447 extern void             dbg_outputW(const WCHAR* buffer, int len);
 448 extern const char*      dbg_W2A(const WCHAR* buffer, unsigned len);
 449 #ifdef __GNUC__
 450 extern int              dbg_printf(const char* format, ...) __attribute__((format (printf,1,2)));
 451 #else
 452 extern int              dbg_printf(const char* format, ...);
 453 #endif
 454 extern const struct dbg_internal_var* dbg_get_internal_var(const char*);
 455 extern BOOL             dbg_interrupt_debuggee(void);
 456 extern unsigned         dbg_num_processes(void);
 457 extern struct dbg_process* dbg_add_process(const struct be_process_io* pio, DWORD pid, HANDLE h);
 458 extern void             dbg_set_process_name(struct dbg_process* p, const WCHAR* name);
 459 extern struct dbg_process* dbg_get_process(DWORD pid);
 460 extern struct dbg_process* dbg_get_process_h(HANDLE handle);
 461 extern void             dbg_del_process(struct dbg_process* p);
 462 struct dbg_thread*      dbg_add_thread(struct dbg_process* p, DWORD tid, HANDLE h, void* teb);
 463 extern struct dbg_thread* dbg_get_thread(struct dbg_process* p, DWORD tid);
 464 extern void             dbg_del_thread(struct dbg_thread* t);
 465 extern BOOL             dbg_init(HANDLE hProc, const WCHAR* in, BOOL invade);
 466 extern BOOL             dbg_load_module(HANDLE hProc, HANDLE hFile, const WCHAR* name, DWORD_PTR base, DWORD size);
 467 extern BOOL             dbg_get_debuggee_info(HANDLE hProcess, IMAGEHLP_MODULE64* imh_mod);
 468 extern void             dbg_set_option(const char*, const char*);
 469 extern void             dbg_start_interactive(HANDLE hFile);
 470 extern void             dbg_init_console(void);
 471
 472   /* gdbproxy.c */
 473 extern int              gdb_main(int argc, char* argv[]);
 474
 475 static inline BOOL dbg_read_memory(const void* addr, void* buffer, size_t len)
 476 {
 477     SIZE_T rlen;
 478     return dbg_curr_process->process_io->read(dbg_curr_process->handle, addr, buffer, len, &rlen) && len == rlen;
 479 }
 480
 481 static inline BOOL dbg_write_memory(void* addr, const void* buffer, size_t len)
 482 {
 483     SIZE_T wlen;
 484     return dbg_curr_process->process_io->write(dbg_curr_process->handle, addr, buffer, len, &wlen) && len == wlen;
 485 }
 486
 487 static inline void* dbg_heap_realloc(void* buffer, size_t size)
 488 {
 489     return (buffer) ? HeapReAlloc(GetProcessHeap(), 0, buffer, size) :
 490         HeapAlloc(GetProcessHeap(), 0, size);
 491 }
 492
 493 extern struct dbg_internal_var          dbg_internal_vars[];
 494
 495 #define  DBG_IVARNAME(_var)     dbg_internal_var_##_var
 496 #define  DBG_IVARSTRUCT(_var)   dbg_internal_vars[DBG_IVARNAME(_var)]
 497 #define  DBG_IVAR(_var)         (*(DBG_IVARSTRUCT(_var).pval))
 498 #define  INTERNAL_VAR(_var,_val,_ref,itype) DBG_IVARNAME(_var),
 499 enum debug_int_var
 500 {
 501 #include "intvar.h"
 502    DBG_IV_LAST
 503 };
 504 #undef   INTERNAL_VAR
 505
 506 /* include CPU dependent bits */
 507 #include "be_cpu.h"
 508
 509 #endif  /* __WINE_DEBUGGER_H */