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_PROCESS {
 187     HANDLE                      handle;
 188     DWORD                       pid;
 189     DBG_THREAD*                 threads;
 190     int                         num_threads;
 191     unsigned                    continue_on_first_exception;
 192     struct tagDBG_MODULE**      modules;
 193     int                         num_modules;
 194     unsigned long               dbg_hdr_addr;
 195     /*
 196      * This is an index we use to keep track of the debug information
 197      * when we have multiple sources.  We use the same database to also
 198      * allow us to do an 'info shared' type of deal, and we use the index
 199      * to eliminate duplicates.
 200      */
 201     int                         next_index;
 202     struct tagDBG_PROCESS*      next;
 203     struct tagDBG_PROCESS*      prev;
 204 } DBG_PROCESS;
 205
 206 extern  DBG_PROCESS*    DEBUG_CurrProcess;
 207 extern  DBG_THREAD*     DEBUG_CurrThread;
 208 extern  DWORD           DEBUG_CurrTid;
 209 extern  DWORD           DEBUG_CurrPid;
 210 extern  CONTEXT         DEBUG_context;
 211
 212 #define DEBUG_READ_MEM(addr, buf, len) \
 213       (ReadProcessMemory(DEBUG_CurrProcess->handle, (addr), (buf), (len), NULL))
 214
 215 #define DEBUG_WRITE_MEM(addr, buf, len) \
 216       (WriteProcessMemory(DEBUG_CurrProcess->handle, (addr), (buf), (len), NULL))
 217
 218 #define DEBUG_READ_MEM_VERBOSE(addr, buf, len) \
 219       (DEBUG_READ_MEM((addr), (buf), (len)) || (DEBUG_InvalLinAddr( addr ),0))
 220
 221 #define DEBUG_WRITE_MEM_VERBOSE(addr, buf, len) \
 222       (DEBUG_WRITE_MEM((addr), (buf), (len)) || (DEBUG_InvalLinAddr( addr ),0))
 223
 224 enum DbgInfoLoad {DIL_DEFERRED, DIL_LOADED, DIL_NOINFO, DIL_ERROR};
 225 enum DbgModuleType {DMT_UNKNOWN, DMT_ELF, DMT_NE, DMT_PE};
 226
 227 typedef struct tagDBG_MODULE {
 228    void*                        load_addr;
 229    unsigned long                size;
 230    char*                        module_name;
 231    enum DbgInfoLoad             dil;
 232    enum DbgModuleType           type;
 233    unsigned char                main;
 234    short int                    dbg_index;
 235    HMODULE                      handle;
 236    struct tagMSC_DBG_INFO*      msc_info;
 237    struct tagELF_DBG_INFO*      elf_info;
 238 } DBG_MODULE;
 239
 240 typedef struct {
 241    DWORD                val;
 242    const char*          name;
 243    LPDWORD              pval;
 244    struct datatype*     type;
 245 } DBG_INTVAR;
 246
 247 #define OFFSET_OF(__c,__f)              ((int)(((char*)&(((__c*)0)->__f))-((char*)0)))
 248
 249   /* from winelib.so */
 250 extern void DEBUG_ExternalDebugger(void);
 251
 252   /* debugger/break.c */
 253 extern void DEBUG_SetBreakpoints( BOOL set );
 254 extern void DEBUG_AddBreakpoint( const DBG_VALUE *addr, BOOL (*func)(void) );
 255 extern void DEBUG_AddBreakpointFromId( const char *name, int lineno );
 256 extern void DEBUG_AddBreakpointFromLineno( int lineno );
 257 extern void DEBUG_AddWatchpoint( const DBG_VALUE *addr, int is_write );
 258 extern void DEBUG_AddWatchpointFromId( const char *name, int lineno );
 259 extern void DEBUG_DelBreakpoint( int num );
 260 extern void DEBUG_EnableBreakpoint( int num, BOOL enable );
 261 extern void DEBUG_InfoBreakpoints(void);
 262 extern BOOL DEBUG_HandleTrap(void);
 263 extern BOOL DEBUG_ShouldContinue( DBG_ADDR *addr, DWORD code, enum exec_mode mode,
 264                                   int * count );
 265 extern void DEBUG_SuspendExecution( void );
 266 extern enum exec_mode DEBUG_RestartExecution( enum exec_mode mode, int count );
 267 extern BOOL DEBUG_IsFctReturn(void);
 268 extern int  DEBUG_AddBPCondition(int bpnum, struct expr * exp);
 269
 270   /* debugger/db_disasm.c */
 271 extern void DEBUG_Disasm( DBG_ADDR *addr, int display );
 272
 273   /* debugger/dbg.y */
 274 extern BOOL DEBUG_Parser(void);
 275 extern void DEBUG_Exit( DWORD );
 276
 277   /* debugger/debug.l */
 278 extern void DEBUG_FlushSymbols(void);
 279
 280   /* debugger/display.c */
 281 extern int DEBUG_DoDisplay(void);
 282 extern int DEBUG_AddDisplay(struct expr * exp, int count, char format);
 283 extern int DEBUG_DoDisplay(void);
 284 extern int DEBUG_DelDisplay(int displaynum);
 285 extern int DEBUG_InfoDisplay(void);
 286
 287   /* debugger/editline.c */
 288 extern char * readline(const char *);
 289 extern void add_history(char *);
 290
 291   /* debugger/expr.c */
 292 extern void DEBUG_FreeExprMem(void);
 293 struct expr * DEBUG_IntVarExpr(const char* name);
 294 struct expr * DEBUG_SymbolExpr(const char * name);
 295 struct expr * DEBUG_ConstExpr(int val);
 296 struct expr * DEBUG_StringExpr(const char * str);
 297 struct expr * DEBUG_SegAddr(struct expr *, struct expr *);
 298 struct expr * DEBUG_USConstExpr(unsigned int val);
 299 struct expr * DEBUG_BinopExpr(int oper, struct expr *, struct expr *);
 300 struct expr * DEBUG_UnopExpr(int oper, struct expr *);
 301 struct expr * DEBUG_StructPExpr(struct expr *, const char * element);
 302 struct expr * DEBUG_StructExpr(struct expr *, const char * element);
 303 struct expr * DEBUG_ArrayExpr(struct expr *, struct expr * index);
 304 struct expr * DEBUG_CallExpr(const char *, int nargs, ...);
 305 struct expr * DEBUG_TypeCastExpr(struct datatype *, struct expr *);
 306 extern DBG_VALUE DEBUG_EvalExpr(struct expr *);
 307 extern int DEBUG_DelDisplay(int displaynum);
 308 extern struct expr * DEBUG_CloneExpr(const struct expr * exp);
 309 extern int DEBUG_FreeExpr(struct expr * exp);
 310 extern int DEBUG_DisplayExpr(const struct expr * exp);
 311
 312   /* debugger/hash.c */
 313 extern struct name_hash * DEBUG_AddSymbol( const char *name,
 314                                            const DBG_VALUE *addr,
 315                                            const char *sourcefile,
 316                                            int flags);
 317 extern BOOL DEBUG_GetSymbolValue( const char * name, const int lineno,
 318                                   DBG_VALUE *addr, int );
 319 extern BOOL DEBUG_SetSymbolValue( const char * name, const DBG_VALUE *addr );
 320 extern const char * DEBUG_FindNearestSymbol( const DBG_ADDR *addr, int flag,
 321                                              struct name_hash ** rtn,
 322                                              unsigned int ebp,
 323                                              struct list_id * source);
 324 extern void DEBUG_ReadSymbolTable( const char * filename );
 325 extern void DEBUG_AddLineNumber( struct name_hash * func, int line_num,
 326                                  unsigned long offset );
 327 extern struct wine_locals *
 328             DEBUG_AddLocal( struct name_hash * func, int regno,
 329                             int offset,
 330                             int pc_start,
 331                             int pc_end,
 332                             char * name);
 333 extern int DEBUG_CheckLinenoStatus(const DBG_ADDR *addr);
 334 extern void DEBUG_GetFuncInfo(struct list_id * ret, const char * file,
 335                               const char * func);
 336 extern int DEBUG_SetSymbolSize(struct name_hash * sym, unsigned int len);
 337 extern int DEBUG_SetSymbolBPOff(struct name_hash * sym, unsigned int len);
 338 extern int DEBUG_GetSymbolAddr(struct name_hash * sym, DBG_ADDR * addr);
 339 extern int DEBUG_cmp_sym(const void * p1, const void * p2);
 340 extern BOOL DEBUG_GetLineNumberAddr( const struct name_hash *, const int lineno,
 341                                      DBG_ADDR *addr, int bp_flag );
 342
 343 extern int DEBUG_SetLocalSymbolType(struct wine_locals * sym,
 344                                     struct datatype * type);
 345 extern BOOL DEBUG_Normalize(struct name_hash * nh );
 346
 347   /* debugger/info.c */
 348 extern void DEBUG_PrintBasic( const DBG_VALUE* value, int count, char format );
 349 extern struct symbol_info DEBUG_PrintAddress( const DBG_ADDR *addr,
 350                                               enum dbg_mode mode, int flag );
 351 extern void DEBUG_Help(void);
 352 extern void DEBUG_HelpInfo(void);
 353 extern struct symbol_info DEBUG_PrintAddressAndArgs( const DBG_ADDR *addr,
 354                                                      enum dbg_mode mode,
 355                                                      unsigned int ebp,
 356                                                      int flag );
 357 extern void DEBUG_InfoClass(const char* clsName);
 358 extern void DEBUG_WalkClasses(void);
 359 extern void DEBUG_WalkModref(DWORD p);
 360 extern void DEBUG_DumpModule(DWORD mod);
 361 extern void DEBUG_WalkModules(void);
 362 extern void DEBUG_WalkProcess(void);
 363 extern void DEBUG_WalkThreads(void);
 364 extern void DEBUG_DumpQueue(DWORD q);
 365 extern void DEBUG_WalkQueues(void);
 366 extern void DEBUG_InfoSegments(DWORD s, int v);
 367 extern void DEBUG_InfoVirtual(void);
 368 extern void DEBUG_InfoWindow(HWND hWnd);
 369 extern void DEBUG_WalkWindows(HWND hWnd, int indent);
 370
 371   /* debugger/memory.c */
 372 extern int  DEBUG_ReadMemory( const DBG_VALUE* value );
 373 extern void DEBUG_WriteMemory( const DBG_VALUE* val, int value );
 374 extern void DEBUG_ExamineMemory( const DBG_VALUE *addr, int count, char format);
 375 extern void DEBUG_InvalAddr( const DBG_ADDR* addr );
 376 extern void DEBUG_InvalLinAddr( void* addr );
 377 extern DWORD DEBUG_ToLinear( const DBG_ADDR *address );
 378 extern void DEBUG_GetCurrentAddress( DBG_ADDR * );
 379 extern BOOL DEBUG_GrabAddress( DBG_VALUE* value, BOOL fromCode );
 380 extern enum dbg_mode DEBUG_GetSelectorType( WORD sel );
 381 #ifdef __i386__
 382 extern void DEBUG_FixAddress( DBG_ADDR *address, DWORD def );
 383 extern int  DEBUG_IsSelectorSystem( WORD sel );
 384 #endif
 385
 386   /* debugger/module.c */
 387 extern int  DEBUG_LoadEntryPoints( const char * prefix );
 388 extern void DEBUG_LoadModule32( const char* name, HANDLE hFile, DWORD base );
 389 extern DBG_MODULE* DEBUG_AddModule(const char* name, enum DbgModuleType type,
 390                                    void* mod_addr, u_long size, HMODULE hmod);
 391 extern DBG_MODULE* DEBUG_FindModuleByName(const char* name, enum DbgModuleType type);
 392 extern DBG_MODULE* DEBUG_FindModuleByHandle(HANDLE handle, enum DbgModuleType type);
 393 extern DBG_MODULE* DEBUG_GetProcessMainModule(DBG_PROCESS* process);
 394 extern DBG_MODULE* DEBUG_RegisterPEModule(HMODULE, u_long load_addr, u_long size,
 395                                           const char* name);
 396 extern DBG_MODULE* DEBUG_RegisterELFModule(u_long load_addr, u_long size,
 397                                            const char* name);
 398 extern enum DbgInfoLoad DEBUG_RegisterPEDebugInfo(DBG_MODULE* wmod, HANDLE hFile,
 399                                                   void* _nth, unsigned long nth_ofs);
 400 extern void DEBUG_ReportDIL(enum DbgInfoLoad dil, const char* pfx,
 401                             const char* filename, DWORD load_addr);
 402 extern void DEBUG_InfoShare(void);
 403
 404   /* debugger/msc.c */
 405 extern enum DbgInfoLoad DEBUG_RegisterMSCDebugInfo(DBG_MODULE* module, HANDLE hFile,
 406                                                    void* nth, unsigned long nth_ofs);
 407 extern enum DbgInfoLoad DEBUG_RegisterStabsDebugInfo(DBG_MODULE* module,
 408                                                      HANDLE hFile, void* nth,
 409                                                      unsigned long nth_ofs);
 410 extern void DEBUG_InitCVDataTypes(void);
 411
 412   /* debugger/registers.c */
 413 extern void DEBUG_InfoRegisters(void);
 414 extern BOOL DEBUG_ValidateRegisters(void);
 415
 416   /* debugger/source.c */
 417 extern void DEBUG_ShowDir(void);
 418 extern void DEBUG_AddPath(const char * path);
 419 extern void DEBUG_List(struct list_id * line1, struct list_id * line2,
 420                        int delta);
 421 extern void DEBUG_NukePath(void);
 422 extern void DEBUG_Disassemble(const DBG_VALUE *, const DBG_VALUE*, int offset);
 423 extern BOOL DEBUG_DisassembleInstruction(DBG_ADDR *addr);
 424
 425   /* debugger/stack.c */
 426 extern void DEBUG_InfoStack(void);
 427 extern void DEBUG_BackTrace(BOOL noisy);
 428 extern int  DEBUG_InfoLocals(void);
 429 extern int  DEBUG_SetFrame(int newframe);
 430 extern int  DEBUG_GetCurrentFrame(struct name_hash ** name,
 431                                   unsigned int * eip,
 432                                   unsigned int * ebp);
 433
 434   /* debugger/stabs.c */
 435 extern enum DbgInfoLoad DEBUG_ReadExecutableDbgInfo(const char* exe_name);
 436 extern enum DbgInfoLoad DEBUG_ParseStabs(char * addr, unsigned int load_offset,
 437                                          unsigned int staboff, int stablen,
 438                                          unsigned int strtaboff, int strtablen);
 439
 440   /* debugger/types.c */
 441 extern int DEBUG_nchar;
 442 extern void DEBUG_InitTypes(void);
 443 extern struct datatype * DEBUG_NewDataType(enum debug_type xtype,
 444                                            const char * typename);
 445 extern unsigned int DEBUG_TypeDerefPointer(const DBG_VALUE *value,
 446                                            struct datatype ** newtype);
 447 extern int DEBUG_AddStructElement(struct datatype * dt,
 448                                   char * name, struct datatype * type,
 449                                   int offset, int size);
 450 extern int DEBUG_SetStructSize(struct datatype * dt, int size);
 451 extern int DEBUG_SetPointerType(struct datatype * dt, struct datatype * dt2);
 452 extern int DEBUG_SetArrayParams(struct datatype * dt, int min, int max,
 453                                 struct datatype * dt2);
 454 extern void DEBUG_Print( const DBG_VALUE *addr, int count, char format, int level );
 455 extern unsigned int DEBUG_FindStructElement(DBG_VALUE * addr,
 456                                             const char * ele_name, int * tmpbuf);
 457 extern struct datatype * DEBUG_GetPointerType(struct datatype * dt);
 458 extern int DEBUG_GetObjectSize(struct datatype * dt);
 459 extern unsigned int DEBUG_ArrayIndex(const DBG_VALUE * addr, DBG_VALUE * result,
 460                                      int index);
 461 extern struct datatype * DEBUG_FindOrMakePointerType(struct datatype * reftype);
 462 extern long long int DEBUG_GetExprValue(const DBG_VALUE * addr, char ** format);
 463 extern int DEBUG_SetBitfieldParams(struct datatype * dt, int offset,
 464                                    int nbits, struct datatype * dt2);
 465 extern int DEBUG_CopyFieldlist(struct datatype * dt, struct datatype * dt2);
 466 extern enum debug_type DEBUG_GetType(struct datatype * dt);
 467 extern struct datatype * DEBUG_TypeCast(enum debug_type, const char *);
 468 extern int DEBUG_PrintTypeCast(const struct datatype *);
 469 extern int DEBUG_PrintType( const DBG_VALUE* addr );
 470
 471   /* debugger/winedbg.c */
 472 #define DBG_CHN_MESG    1
 473 #define DBG_CHN_ERR     2
 474 #define DBG_CHN_WARN    4
 475 #define DBG_CHN_FIXME   8
 476 #define DBG_CHN_TRACE   16
 477 extern void     DEBUG_Output(int chn, const char* buffer, int len);
 478 #ifdef __GNUC__
 479 extern int      DEBUG_Printf(int chn, const char* format, ...) __attribute__((format (printf,2,3)));
 480 #else
 481 extern int      DEBUG_Printf(int chn, const char* format, ...);
 482 #endif
 483 extern DBG_INTVAR*      DEBUG_GetIntVar(const char*);
 484 extern BOOL DEBUG_Attach(DWORD pid, BOOL cofe);
 485 extern void DEBUG_Run(const char* args);
 486 extern int curr_frame;
 487
 488 /* Choose your allocator! */
 489 #if 1
 490 /* this one is libc's fast one */
 491 extern void*    DEBUG_XMalloc(size_t size);
 492 extern void*    DEBUG_XReAlloc(void *ptr, size_t size);
 493 extern char*    DEBUG_XStrDup(const char *str);
 494
 495 #define DBG_alloc(x)            DEBUG_XMalloc(x)
 496 #define DBG_realloc(x,y)        DEBUG_XReAlloc(x,y)
 497 #define DBG_free(x)             free(x)
 498 #define DBG_strdup(x)           DEBUG_XStrDup(x)
 499 #else
 500 /* this one is slow (takes 5 minutes to load the debugger on my machine),
 501    but is pretty crash-proof (can step through malloc() without problems,
 502    malloc() arena (and other heaps) can be totally wasted and it'll still
 503    work, etc... if someone could make optimized routines so it wouldn't
 504    take so long to load, it could be made default) */
 505 #include "heap.h"
 506 #define DBG_alloc(x) HeapAlloc(dbg_heap,0,x)
 507 #define DBG_realloc(x,y) HeapRealloc(dbg_heap,0,x,y)
 508 #define DBG_free(x) HeapFree(dbg_heap,0,x)
 509 #define DBG_strdup(x) HEAP_strdupA(dbg_heap,0,x)
 510 #define DBG_need_heap
 511 extern HANDLE dbg_heap;
 512 #endif
 513
 514 #define DEBUG_STATUS_OFFSET             0x80003000
 515 #define DEBUG_STATUS_INTERNAL_ERROR     (DEBUG_STATUS_OFFSET+0)
 516 #define DEBUG_STATUS_NO_SYMBOL          (DEBUG_STATUS_OFFSET+1)
 517 #define DEBUG_STATUS_DIV_BY_ZERO        (DEBUG_STATUS_OFFSET+2)
 518 #define DEBUG_STATUS_BAD_TYPE           (DEBUG_STATUS_OFFSET+3)
 519
 520 extern DBG_INTVAR               DEBUG_IntVars[];
 521
 522 #define  DBG_IVARNAME(_var)     DEBUG_IV_##_var
 523 #define  DBG_IVARSTRUCT(_var)   DEBUG_IntVars[DBG_IVARNAME(_var)]
 524 #define  DBG_IVAR(_var)         (*(DBG_IVARSTRUCT(_var).pval))
 525 #define  INTERNAL_VAR(_var,_val,_ref,_typ) DBG_IVARNAME(_var),
 526 enum debug_int_var {
 527 #include "intvar.h"
 528    DBG_IV_LAST
 529 };
 530 #undef   INTERNAL_VAR
 531
 532 #endif  /* __WINE_DEBUGGER_H */