debugger/debugger.h

   1 /*
   2  * Debugger definitions
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  */
   6
   7 #ifndef __WINE_DEBUGGER_H
   8 #define __WINE_DEBUGGER_H
   9
  10 #include <sys/types.h> /* u_long ... */
  11 #include <assert.h>
  12 #include "windef.h"
  13 #include "winbase.h"
  14 #include "wine/exception.h"
  15
  16 #ifdef __i386__
  17 #define STEP_FLAG 0x00000100 /* single step flag */
  18 #define V86_FLAG  0x00020000
  19 #endif
  20
  21 #define SYM_FUNC         0x0
  22 #define SYM_DATA         0x1
  23 #define SYM_WIN32        0x2
  24 #define SYM_WINE         0x4
  25 #define SYM_INVALID      0x8
  26 #define SYM_TRAMPOLINE   0x10
  27 #define SYM_STEP_THROUGH 0x20
  28
  29 enum    debug_type {DT_BASIC, DT_POINTER, DT_ARRAY, DT_STRUCT, DT_ENUM,
  30                     DT_FUNC, DT_BITFIELD};
  31
  32
  33 /*
  34  * Return values for DEBUG_CheckLinenoStatus.  Used to determine
  35  * what to do when the 'step' command is given.
  36  */
  37 #define FUNC_HAS_NO_LINES       (0)
  38 #define NOT_ON_LINENUMBER       (1)
  39 #define AT_LINENUMBER           (2)
  40 #define FUNC_IS_TRAMPOLINE      (3)
  41
  42 /*
  43  * For constants generated by the parser, we use this datatype
  44  */
  45 extern struct datatype * DEBUG_TypeShortUInt;
  46 extern struct datatype * DEBUG_TypeInt;
  47 extern struct datatype * DEBUG_TypeIntConst;
  48 extern struct datatype * DEBUG_TypeUSInt;
  49 extern struct datatype * DEBUG_TypeString;
  50
  51 typedef struct
  52 {
  53     DWORD               seg;  /* 0xffffffff means current default segment (cs or ds) */
  54     DWORD               off;
  55 } DBG_ADDR;
  56
  57 typedef struct
  58 {
  59    struct datatype*     type;
  60    int                  cookie; /* DV_??? */
  61 /* DV_TARGET references an address in debugger's address space, whereas DV_HOST
  62  * references the debuggee address space
  63  */
  64 #       define  DV_TARGET       0xF00D
  65 #       define  DV_HOST         0x50DA
  66 #       define  DV_INVALID      0x0000
  67
  68    DBG_ADDR             addr;
  69 } DBG_VALUE;
  70
  71 struct list_id
  72 {
  73     char * sourcefile;
  74     int    line;
  75 };
  76
  77 struct  wine_lines {
  78   unsigned long         line_number;
  79   DBG_ADDR              pc_offset;
  80 };
  81
  82 struct symbol_info
  83 {
  84   struct name_hash * sym;
  85   struct list_id     list;
  86 };
  87
  88 typedef struct wine_lines WineLineNo;
  89
  90 /*
  91  * This structure holds information about stack variables, function
  92  * parameters, and register variables, which are all local to this
  93  * function.
  94  */
  95 struct  wine_locals {
  96   unsigned int          regno:8;        /* For register symbols */
  97   signed int            offset:24;      /* offset from esp/ebp to symbol */
  98   unsigned int          pc_start;       /* For RBRAC/LBRAC */
  99   unsigned int          pc_end;         /* For RBRAC/LBRAC */
 100   char                * name;           /* Name of symbol */
 101   struct datatype     * type;           /* Datatype of symbol */
 102 };
 103
 104 typedef struct wine_locals WineLocals;
 105
 106 enum exec_mode
 107 {
 108     EXEC_CONT,                  /* Continuous execution */
 109     EXEC_PASS,                  /* Continue, passing exception to app */
 110     EXEC_STEP_OVER,             /* Stepping over a call to next source line */
 111     EXEC_STEP_INSTR,            /* Step to next source line, stepping in if needed */
 112     EXEC_STEPI_OVER,            /* Stepping over a call */
 113     EXEC_STEPI_INSTR,           /* Single-stepping an instruction */
 114     EXEC_FINISH,                /* Step until we exit current frame */
 115     EXEC_STEP_OVER_TRAMPOLINE,  /* Step over trampoline.  Requires that
 116                                  * we dig the real return value off the stack
 117                                  * and set breakpoint there - not at the
 118                                  * instr just after the call.
 119                                  */
 120 };
 121
 122 #define DBG_BREAK       0
 123 #define DBG_WATCH       1
 124
 125 typedef struct
 126 {
 127     DBG_ADDR      addr;
 128     WORD          enabled : 1,
 129                   type : 1,
 130                   is32 : 1,
 131                   refcount : 13;
 132     WORD          skipcount;
 133     union {
 134        struct {
 135           BYTE          opcode;
 136           BOOL          (*func)(void);
 137        } b;
 138        struct {
 139           BYTE          rw : 1,
 140                         len : 2;
 141           BYTE          reg;
 142           DWORD         oldval;
 143        } w;
 144     } u;
 145     struct expr * condition;
 146 } DBG_BREAKPOINT;
 147
 148 enum dbg_mode
 149 {
 150     MODE_INVALID, MODE_16, MODE_32, MODE_VM86
 151 };
 152
 153
 154
 155 /* Wine extension; Windows doesn't have a name for this code.  This is an
 156    undocumented exception understood by MS VC debugger, allowing the program
 157    to name a particular thread.  Search google.com or deja.com for "0x406d1388"
 158    for more info. */
 159 #define EXCEPTION_NAME_THREAD               0x406D1388
 160
 161 /* Helper structure */
 162 typedef struct tagTHREADNAME_INFO
 163 {
 164    DWORD   dwType;     /* Must be 0x1000 */
 165    LPCTSTR szName;     /* Pointer to name - limited to 9 bytes (8 characters + terminator) */
 166    DWORD   dwThreadID; /* Thread ID (-1 = caller thread) */
 167    DWORD   dwFlags;    /* Reserved for future use.  Must be zero. */
 168 } THREADNAME_INFO;
 169
 170 typedef struct tagDBG_THREAD {
 171     struct tagDBG_PROCESS*      process;
 172     HANDLE                      handle;
 173     DWORD                       tid;
 174     LPVOID                      start;
 175     LPVOID                      teb;
 176     int                         wait_for_first_exception;
 177     enum dbg_mode               dbg_mode;
 178     enum exec_mode              dbg_exec_mode;
 179     int                         dbg_exec_count;
 180     DBG_BREAKPOINT              stepOverBP;
 181     char                        name[9];
 182     struct tagDBG_THREAD*       next;
 183     struct tagDBG_THREAD*       prev;
 184 } DBG_THREAD;
 185
 186 typedef struct tagDBG_DELAYED_BP {
 187     int                         lineno;
 188     char*                       name;
 189 } DBG_DELAYED_BP;
 190
 191 typedef struct tagDBG_PROCESS {
 192     HANDLE                      handle;
 193     DWORD                       pid;
 194     DBG_THREAD*                 threads;
 195     int                         num_threads;
 196     unsigned                    continue_on_first_exception;
 197     struct tagDBG_MODULE**      modules;
 198     int                         num_modules;
 199     unsigned long               dbg_hdr_addr;
 200     DBG_DELAYED_BP*             delayed_bp;
 201     int                         num_delayed_bp;
 202     /*
 203      * This is an index we use to keep track of the debug information
 204      * when we have multiple sources.  We use the same database to also
 205      * allow us to do an 'info shared' type of deal, and we use the index
 206      * to eliminate duplicates.
 207      */
 208     int                         next_index;
 209     struct tagDBG_PROCESS*      next;
 210     struct tagDBG_PROCESS*      prev;
 211 } DBG_PROCESS;
 212
 213 extern  DBG_PROCESS*    DEBUG_CurrProcess;
 214 extern  DBG_THREAD*     DEBUG_CurrThread;
 215 extern  DWORD           DEBUG_CurrTid;
 216 extern  DWORD           DEBUG_CurrPid;
 217 extern  CONTEXT         DEBUG_context;
 218 extern  BOOL            DEBUG_interactiveP;
 219
 220 #define DEBUG_READ_MEM(addr, buf, len) \
 221       (ReadProcessMemory(DEBUG_CurrProcess->handle, (addr), (buf), (len), NULL))
 222
 223 #define DEBUG_WRITE_MEM(addr, buf, len) \
 224       (WriteProcessMemory(DEBUG_CurrProcess->handle, (addr), (buf), (len), NULL))
 225
 226 #define DEBUG_READ_MEM_VERBOSE(addr, buf, len) \
 227       (DEBUG_READ_MEM((addr), (buf), (len)) || (DEBUG_InvalLinAddr( addr ),0))
 228
 229 #define DEBUG_WRITE_MEM_VERBOSE(addr, buf, len) \
 230       (DEBUG_WRITE_MEM((addr), (buf), (len)) || (DEBUG_InvalLinAddr( addr ),0))
 231
 232 enum DbgInfoLoad {DIL_DEFERRED, DIL_LOADED, DIL_NOINFO, DIL_ERROR};
 233 enum DbgModuleType {DMT_UNKNOWN, DMT_ELF, DMT_NE, DMT_PE};
 234
 235 typedef struct tagDBG_MODULE {
 236    void*                        load_addr;
 237    unsigned long                size;
 238    char*                        module_name;
 239    enum DbgInfoLoad             dil;
 240    enum DbgModuleType           type;
 241    unsigned short               main : 1;
 242    short int                    dbg_index;
 243    HMODULE                      handle;
 244    struct tagMSC_DBG_INFO*      msc_info;
 245    struct tagELF_DBG_INFO*      elf_info;
 246 } DBG_MODULE;
 247
 248 typedef struct {
 249    DWORD                val;
 250    const char*          name;
 251    LPDWORD              pval;
 252    struct datatype*     type;
 253 } DBG_INTVAR;
 254
 255 #define OFFSET_OF(__c,__f)              ((int)(((char*)&(((__c*)0)->__f))-((char*)0)))
 256
 257   /* from winelib.so */
 258 extern void DEBUG_ExternalDebugger(void);
 259
 260   /* debugger/break.c */
 261 extern void DEBUG_SetBreakpoints( BOOL set );
 262 extern void DEBUG_AddBreakpoint( const DBG_VALUE *addr, BOOL (*func)(void) );
 263 extern void DEBUG_AddBreakpointFromId( const char *name, int lineno );
 264 extern void DEBUG_AddBreakpointFromLineno( int lineno );
 265 extern void DEBUG_AddWatchpoint( const DBG_VALUE *addr, int is_write );
 266 extern void DEBUG_AddWatchpointFromId( const char *name );
 267 extern void DEBUG_CheckDelayedBP( void );
 268 extern void DEBUG_DelBreakpoint( int num );
 269 extern void DEBUG_EnableBreakpoint( int num, BOOL enable );
 270 extern void DEBUG_InfoBreakpoints(void);
 271 extern BOOL DEBUG_HandleTrap(void);
 272 extern BOOL DEBUG_ShouldContinue( DBG_ADDR *addr, DWORD code, enum exec_mode mode,
 273                                   int * count );
 274 extern void DEBUG_SuspendExecution( void );
 275 extern enum exec_mode DEBUG_RestartExecution( enum exec_mode mode, int count );
 276 extern BOOL DEBUG_IsFctReturn(void);
 277 extern int  DEBUG_AddBPCondition(int bpnum, struct expr * exp);
 278
 279   /* debugger/db_disasm.c */
 280 extern void DEBUG_Disasm( DBG_ADDR *addr, int display );
 281
 282   /* debugger/dbg.y */
 283 extern BOOL DEBUG_Parser(void);
 284 extern void DEBUG_Exit( DWORD );
 285
 286   /* debugger/debug.l */
 287 extern void DEBUG_FlushSymbols(void);
 288
 289   /* debugger/display.c */
 290 extern int DEBUG_DoDisplay(void);
 291 extern int DEBUG_AddDisplay(struct expr * exp, int count, char format);
 292 extern int DEBUG_DoDisplay(void);
 293 extern int DEBUG_DelDisplay(int displaynum);
 294 extern int DEBUG_InfoDisplay(void);
 295
 296   /* debugger/editline.c */
 297 extern char * readline(const char *);
 298 extern void add_history(char *);
 299
 300   /* debugger/expr.c */
 301 extern void DEBUG_FreeExprMem(void);
 302 struct expr * DEBUG_IntVarExpr(const char* name);
 303 struct expr * DEBUG_SymbolExpr(const char * name);
 304 struct expr * DEBUG_ConstExpr(int val);
 305 struct expr * DEBUG_StringExpr(const char * str);
 306 struct expr * DEBUG_SegAddr(struct expr *, struct expr *);
 307 struct expr * DEBUG_USConstExpr(unsigned int val);
 308 struct expr * DEBUG_BinopExpr(int oper, struct expr *, struct expr *);
 309 struct expr * DEBUG_UnopExpr(int oper, struct expr *);
 310 struct expr * DEBUG_StructPExpr(struct expr *, const char * element);
 311 struct expr * DEBUG_StructExpr(struct expr *, const char * element);
 312 struct expr * DEBUG_ArrayExpr(struct expr *, struct expr * index);
 313 struct expr * DEBUG_CallExpr(const char *, int nargs, ...);
 314 struct expr * DEBUG_TypeCastExpr(struct datatype *, struct expr *);
 315 extern DBG_VALUE DEBUG_EvalExpr(struct expr *);
 316 extern int DEBUG_DelDisplay(int displaynum);
 317 extern struct expr * DEBUG_CloneExpr(const struct expr * exp);
 318 extern int DEBUG_FreeExpr(struct expr * exp);
 319 extern int DEBUG_DisplayExpr(const struct expr * exp);
 320
 321   /* debugger/hash.c */
 322 extern struct name_hash * DEBUG_AddSymbol( const char *name,
 323                                            const DBG_VALUE *addr,
 324                                            const char *sourcefile,
 325                                            int flags);
 326 extern int DEBUG_GetSymbolValue( const char * name, const int lineno,
 327                                  DBG_VALUE *addr, int );
 328 extern BOOL DEBUG_SetSymbolValue( const char * name, const DBG_VALUE *addr );
 329 extern const char * DEBUG_FindNearestSymbol( const DBG_ADDR *addr, int flag,
 330                                              struct name_hash ** rtn,
 331                                              unsigned int ebp,
 332                                              struct list_id * source);
 333 extern void DEBUG_ReadSymbolTable( const char * filename );
 334 extern void DEBUG_AddLineNumber( struct name_hash * func, int line_num,
 335                                  unsigned long offset );
 336 extern struct wine_locals *
 337             DEBUG_AddLocal( struct name_hash * func, int regno,
 338                             int offset,
 339                             int pc_start,
 340                             int pc_end,
 341                             char * name);
 342 extern int DEBUG_CheckLinenoStatus(const DBG_ADDR *addr);
 343 extern void DEBUG_GetFuncInfo(struct list_id * ret, const char * file,
 344                               const char * func);
 345 extern int DEBUG_SetSymbolSize(struct name_hash * sym, unsigned int len);
 346 extern int DEBUG_SetSymbolBPOff(struct name_hash * sym, unsigned int len);
 347 extern int DEBUG_GetSymbolAddr(struct name_hash * sym, DBG_ADDR * addr);
 348 extern int DEBUG_cmp_sym(const void * p1, const void * p2);
 349 extern BOOL DEBUG_GetLineNumberAddr( const struct name_hash *, const int lineno,
 350                                      DBG_ADDR *addr, int bp_flag );
 351
 352 extern int DEBUG_SetLocalSymbolType(struct wine_locals * sym,
 353                                     struct datatype * type);
 354 extern BOOL DEBUG_Normalize(struct name_hash * nh );
 355
 356   /* debugger/info.c */
 357 extern void DEBUG_PrintBasic( const DBG_VALUE* value, int count, char format );
 358 extern struct symbol_info DEBUG_PrintAddress( const DBG_ADDR *addr,
 359                                               enum dbg_mode mode, int flag );
 360 extern void DEBUG_Help(void);
 361 extern void DEBUG_HelpInfo(void);
 362 extern struct symbol_info DEBUG_PrintAddressAndArgs( const DBG_ADDR *addr,
 363                                                      enum dbg_mode mode,
 364                                                      unsigned int ebp,
 365                                                      int flag );
 366 extern void DEBUG_InfoClass(const char* clsName);
 367 extern void DEBUG_WalkClasses(void);
 368 extern void DEBUG_WalkModref(DWORD p);
 369 extern void DEBUG_DumpModule(DWORD mod);
 370 extern void DEBUG_WalkModules(void);
 371 extern void DEBUG_WalkProcess(void);
 372 extern void DEBUG_WalkThreads(void);
 373 extern void DEBUG_DumpQueue(DWORD q);
 374 extern void DEBUG_WalkQueues(void);
 375 extern void DEBUG_InfoSegments(DWORD s, int v);
 376 extern void DEBUG_InfoVirtual(void);
 377 extern void DEBUG_InfoWindow(HWND hWnd);
 378 extern void DEBUG_WalkWindows(HWND hWnd, int indent);
 379
 380   /* debugger/memory.c */
 381 extern int  DEBUG_ReadMemory( const DBG_VALUE* value );
 382 extern void DEBUG_WriteMemory( const DBG_VALUE* val, int value );
 383 extern void DEBUG_ExamineMemory( const DBG_VALUE *addr, int count, char format);
 384 extern void DEBUG_InvalAddr( const DBG_ADDR* addr );
 385 extern void DEBUG_InvalLinAddr( void* addr );
 386 extern DWORD DEBUG_ToLinear( const DBG_ADDR *address );
 387 extern void DEBUG_GetCurrentAddress( DBG_ADDR * );
 388 extern BOOL DEBUG_GrabAddress( DBG_VALUE* value, BOOL fromCode );
 389 extern enum dbg_mode DEBUG_GetSelectorType( WORD sel );
 390 #ifdef __i386__
 391 extern void DEBUG_FixAddress( DBG_ADDR *address, DWORD def );
 392 extern int  DEBUG_IsSelectorSystem( WORD sel );
 393 #endif
 394
 395   /* debugger/module.c */
 396 extern int  DEBUG_LoadEntryPoints( const char * prefix );
 397 extern void DEBUG_LoadModule32( const char* name, HANDLE hFile, DWORD base );
 398 extern DBG_MODULE* DEBUG_AddModule(const char* name, enum DbgModuleType type,
 399                                    void* mod_addr, u_long size, HMODULE hmod);
 400 extern DBG_MODULE* DEBUG_FindModuleByName(const char* name, enum DbgModuleType type);
 401 extern DBG_MODULE* DEBUG_FindModuleByHandle(HANDLE handle, enum DbgModuleType type);
 402 extern DBG_MODULE* DEBUG_FindModuleByAddr(void* addr, enum DbgModuleType type);
 403 extern DBG_MODULE* DEBUG_GetProcessMainModule(DBG_PROCESS* process);
 404 extern DBG_MODULE* DEBUG_RegisterPEModule(HMODULE, u_long load_addr, u_long size,
 405                                           const char* name);
 406 extern DBG_MODULE* DEBUG_RegisterELFModule(u_long load_addr, u_long size,
 407                                            const char* name);
 408 extern enum DbgInfoLoad DEBUG_RegisterPEDebugInfo(DBG_MODULE* wmod, HANDLE hFile,
 409                                                   void* _nth, unsigned long nth_ofs);
 410 extern void DEBUG_ReportDIL(enum DbgInfoLoad dil, const char* pfx,
 411                             const char* filename, DWORD load_addr);
 412 extern void DEBUG_InfoShare(void);
 413
 414   /* debugger/msc.c */
 415 extern enum DbgInfoLoad DEBUG_RegisterMSCDebugInfo(DBG_MODULE* module, HANDLE hFile,
 416                                                    void* nth, unsigned long nth_ofs);
 417 extern enum DbgInfoLoad DEBUG_RegisterStabsDebugInfo(DBG_MODULE* module,
 418                                                      HANDLE hFile, void* nth,
 419                                                      unsigned long nth_ofs);
 420 extern void DEBUG_InitCVDataTypes(void);
 421
 422   /* debugger/registers.c */
 423 extern void DEBUG_InfoRegisters(void);
 424 extern BOOL DEBUG_ValidateRegisters(void);
 425
 426   /* debugger/source.c */
 427 extern void DEBUG_ShowDir(void);
 428 extern void DEBUG_AddPath(const char * path);
 429 extern void DEBUG_List(struct list_id * line1, struct list_id * line2,
 430                        int delta);
 431 extern void DEBUG_NukePath(void);
 432 extern void DEBUG_Disassemble(const DBG_VALUE *, const DBG_VALUE*, int offset);
 433 extern BOOL DEBUG_DisassembleInstruction(DBG_ADDR *addr);
 434
 435   /* debugger/stack.c */
 436 extern void DEBUG_InfoStack(void);
 437 extern void DEBUG_BackTrace(BOOL noisy);
 438 extern int  DEBUG_InfoLocals(void);
 439 extern int  DEBUG_SetFrame(int newframe);
 440 extern int  DEBUG_GetCurrentFrame(struct name_hash ** name,
 441                                   unsigned int * eip,
 442                                   unsigned int * ebp);
 443
 444   /* debugger/stabs.c */
 445 extern enum DbgInfoLoad DEBUG_ReadExecutableDbgInfo(const char* exe_name);
 446 extern enum DbgInfoLoad DEBUG_ParseStabs(char * addr, unsigned int load_offset,
 447                                          unsigned int staboff, int stablen,
 448                                          unsigned int strtaboff, int strtablen);
 449
 450   /* debugger/types.c */
 451 extern int DEBUG_nchar;
 452 extern void DEBUG_InitTypes(void);
 453 extern struct datatype * DEBUG_NewDataType(enum debug_type xtype,
 454                                            const char * typename);
 455 extern unsigned int DEBUG_TypeDerefPointer(const DBG_VALUE *value,
 456                                            struct datatype ** newtype);
 457 extern int DEBUG_AddStructElement(struct datatype * dt,
 458                                   char * name, struct datatype * type,
 459                                   int offset, int size);
 460 extern int DEBUG_SetStructSize(struct datatype * dt, int size);
 461 extern int DEBUG_SetPointerType(struct datatype * dt, struct datatype * dt2);
 462 extern int DEBUG_SetArrayParams(struct datatype * dt, int min, int max,
 463                                 struct datatype * dt2);
 464 extern void DEBUG_Print( const DBG_VALUE *addr, int count, char format, int level );
 465 extern unsigned int DEBUG_FindStructElement(DBG_VALUE * addr,
 466                                             const char * ele_name, int * tmpbuf);
 467 extern struct datatype * DEBUG_GetPointerType(struct datatype * dt);
 468 extern int DEBUG_GetObjectSize(struct datatype * dt);
 469 extern unsigned int DEBUG_ArrayIndex(const DBG_VALUE * addr, DBG_VALUE * result,
 470                                      int index);
 471 extern struct datatype * DEBUG_FindOrMakePointerType(struct datatype * reftype);
 472 extern long long int DEBUG_GetExprValue(const DBG_VALUE * addr, char ** format);
 473 extern int DEBUG_SetBitfieldParams(struct datatype * dt, int offset,
 474                                    int nbits, struct datatype * dt2);
 475 extern int DEBUG_CopyFieldlist(struct datatype * dt, struct datatype * dt2);
 476 extern enum debug_type DEBUG_GetType(struct datatype * dt);
 477 extern struct datatype * DEBUG_TypeCast(enum debug_type, const char *);
 478 extern int DEBUG_PrintTypeCast(const struct datatype *);
 479 extern int DEBUG_PrintType( const DBG_VALUE* addr );
 480
 481   /* debugger/winedbg.c */
 482 #define DBG_CHN_MESG    1
 483 #define DBG_CHN_ERR     2
 484 #define DBG_CHN_WARN    4
 485 #define DBG_CHN_FIXME   8
 486 #define DBG_CHN_TRACE   16
 487 extern void     DEBUG_Output(int chn, const char* buffer, int len);
 488 #ifdef __GNUC__
 489 extern int      DEBUG_Printf(int chn, const char* format, ...) __attribute__((format (printf,2,3)));
 490 #else
 491 extern int      DEBUG_Printf(int chn, const char* format, ...);
 492 #endif
 493 extern DBG_INTVAR*      DEBUG_GetIntVar(const char*);
 494 extern BOOL DEBUG_Attach(DWORD pid, BOOL cofe);
 495 extern void DEBUG_Run(const char* args);
 496 extern int curr_frame;
 497
 498 /* Choose your allocator! */
 499 #if 1
 500 /* this one is libc's fast one */
 501 extern void*    DEBUG_XMalloc(size_t size);
 502 extern void*    DEBUG_XReAlloc(void *ptr, size_t size);
 503 extern char*    DEBUG_XStrDup(const char *str);
 504
 505 #define DBG_alloc(x)            DEBUG_XMalloc(x)
 506 #define DBG_realloc(x,y)        DEBUG_XReAlloc(x,y)
 507 #define DBG_free(x)             free(x)
 508 #define DBG_strdup(x)           DEBUG_XStrDup(x)
 509 #else
 510 /* this one is slow (takes 5 minutes to load the debugger on my machine),
 511    but is pretty crash-proof (can step through malloc() without problems,
 512    malloc() arena (and other heaps) can be totally wasted and it'll still
 513    work, etc... if someone could make optimized routines so it wouldn't
 514    take so long to load, it could be made default) */
 515 #include "heap.h"
 516 #define DBG_alloc(x) HeapAlloc(dbg_heap,0,x)
 517 #define DBG_realloc(x,y) HeapRealloc(dbg_heap,0,x,y)
 518 #define DBG_free(x) HeapFree(dbg_heap,0,x)
 519 #define DBG_strdup(x) HEAP_strdupA(dbg_heap,0,x)
 520 #define DBG_need_heap
 521 extern HANDLE dbg_heap;
 522 #endif
 523
 524 #define DEBUG_STATUS_OFFSET             0x80003000
 525 #define DEBUG_STATUS_INTERNAL_ERROR     (DEBUG_STATUS_OFFSET+0)
 526 #define DEBUG_STATUS_NO_SYMBOL          (DEBUG_STATUS_OFFSET+1)
 527 #define DEBUG_STATUS_DIV_BY_ZERO        (DEBUG_STATUS_OFFSET+2)
 528 #define DEBUG_STATUS_BAD_TYPE           (DEBUG_STATUS_OFFSET+3)
 529
 530 extern DBG_INTVAR               DEBUG_IntVars[];
 531
 532 #define  DBG_IVARNAME(_var)     DEBUG_IV_##_var
 533 #define  DBG_IVARSTRUCT(_var)   DEBUG_IntVars[DBG_IVARNAME(_var)]
 534 #define  DBG_IVAR(_var)         (*(DBG_IVARSTRUCT(_var).pval))
 535 #define  INTERNAL_VAR(_var,_val,_ref,_typ) DBG_IVARNAME(_var),
 536 enum debug_int_var {
 537 #include "intvar.h"
 538    DBG_IV_LAST
 539 };
 540 #undef   INTERNAL_VAR
 541
 542 #endif  /* __WINE_DEBUGGER_H */