debugger/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __WINE_DEBUGGER_H
  22 #define __WINE_DEBUGGER_H
  23
  24 #include <sys/types.h> /* u_long ... */
  25 #include <assert.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "wine/exception.h"
  29
  30 #ifdef __i386__
  31 #define STEP_FLAG 0x00000100 /* single step flag */
  32 #define V86_FLAG  0x00020000
  33 #endif
  34
  35 #define SYM_FUNC         0x0
  36 #define SYM_DATA         0x1
  37 #define SYM_WIN32        0x2
  38 #define SYM_WINE         0x4
  39 #define SYM_INVALID      0x8
  40 #define SYM_TRAMPOLINE   0x10
  41 #define SYM_STEP_THROUGH 0x20
  42
  43 enum    debug_type {DT_BASIC, DT_POINTER, DT_ARRAY, DT_STRUCT, DT_ENUM,
  44                     DT_FUNC, DT_BITFIELD};
  45
  46 enum    debug_type_basic {DT_BASIC_INT = 1, DT_BASIC_CHAR, DT_BASIC_LONGINT, DT_BASIC_UINT,
  47                           DT_BASIC_ULONGINT, DT_BASIC_LONGLONGINT, DT_BASIC_ULONGLONGINT,
  48                           DT_BASIC_SHORTINT, DT_BASIC_USHORTINT, DT_BASIC_SCHAR, DT_BASIC_UCHAR,
  49                           DT_BASIC_FLOAT, DT_BASIC_LONGDOUBLE, DT_BASIC_DOUBLE,
  50                           DT_BASIC_CMPLX_INT, DT_BASIC_CMPLX_FLOAT, DT_BASIC_CMPLX_DOUBLE,
  51                           DT_BASIC_CMPLX_LONGDOUBLE, DT_BASIC_VOID,
  52                           /* modifier on size isn't possible on current types definitions
  53                            * so we need to add more types... */
  54                           DT_BASIC_BOOL1, DT_BASIC_BOOL2, DT_BASIC_BOOL4,
  55                           /* this is not really a basic type... */
  56                           DT_BASIC_STRING,
  57                           /* this is for historical reasons... should take care of it RSN */
  58                           DT_BASIC_CONST_INT,
  59                           /* not so basic, but handy */
  60                           DT_BASIC_CONTEXT,
  61                           /* to be kept as last... sentinel entry... do not use */
  62                           DT_BASIC_LAST};
  63
  64 /*
  65  * Return values for DEBUG_CheckLinenoStatus.  Used to determine
  66  * what to do when the 'step' command is given.
  67  */
  68 #define FUNC_HAS_NO_LINES       (0)
  69 #define NOT_ON_LINENUMBER       (1)
  70 #define AT_LINENUMBER           (2)
  71 #define FUNC_IS_TRAMPOLINE      (3)
  72
  73 typedef struct
  74 {
  75     DWORD               seg;  /* 0xffffffff means current default segment (cs or ds) */
  76     DWORD               off;
  77 } DBG_ADDR;
  78
  79 typedef struct
  80 {
  81    struct datatype*     type;
  82    int                  cookie; /* DV_??? */
  83 /* DV_TARGET references an address in debugger's address space, whereas DV_HOST
  84  * references the debuggee address space
  85  */
  86 #       define  DV_TARGET       0xF00D
  87 #       define  DV_HOST         0x50DA
  88 #       define  DV_INVALID      0x0000
  89
  90    DBG_ADDR             addr;
  91 } DBG_VALUE;
  92
  93 struct list_id
  94 {
  95     char * sourcefile;
  96     int    line;
  97 };
  98
  99 struct  wine_lines {
 100   unsigned long         line_number;
 101   DBG_ADDR              pc_offset;
 102 };
 103
 104 struct symbol_info
 105 {
 106   struct name_hash * sym;
 107   struct list_id     list;
 108 };
 109
 110 typedef struct wine_lines WineLineNo;
 111
 112 /*
 113  * This structure holds information about stack variables, function
 114  * parameters, and register variables, which are all local to this
 115  * function.
 116  */
 117 struct  wine_locals {
 118   unsigned int          regno:8;        /* For register symbols */
 119   signed int            offset:24;      /* offset from esp/ebp to symbol */
 120   unsigned int          pc_start;       /* For RBRAC/LBRAC */
 121   unsigned int          pc_end;         /* For RBRAC/LBRAC */
 122   char                * name;           /* Name of symbol */
 123   struct datatype     * type;           /* Datatype of symbol */
 124 };
 125
 126 typedef struct wine_locals WineLocals;
 127
 128 enum exec_mode
 129 {
 130     EXEC_CONT,                  /* Continuous execution */
 131     EXEC_STEP_OVER,             /* Stepping over a call to next source line */
 132     EXEC_STEP_INSTR,            /* Step to next source line, stepping in if needed */
 133     EXEC_STEPI_OVER,            /* Stepping over a call */
 134     EXEC_STEPI_INSTR,           /* Single-stepping an instruction */
 135     EXEC_FINISH,                /* Step until we exit current frame */
 136     EXEC_STEP_OVER_TRAMPOLINE,  /* Step over trampoline.  Requires that
 137                                  * we dig the real return value off the stack
 138                                  * and set breakpoint there - not at the
 139                                  * instr just after the call.
 140                                  */
 141 };
 142
 143 enum dbg_mode
 144 {
 145     MODE_INVALID, MODE_16, MODE_32, MODE_VM86
 146 };
 147
 148 enum exit_mode /* of exception handling */
 149 {
 150     EXIT_CONTINUE,              /* continue execution */
 151     EXIT_PASS,                  /* pass exception back to app (1st chance) */
 152     EXIT_DETACH,                /* detach debugger */
 153     EXIT_QUIT,                  /* exit debugger and kill debuggee */
 154 };
 155
 156 #define DBG_BREAK       0
 157 #define DBG_WATCH       1
 158
 159 typedef struct
 160 {
 161     DBG_ADDR      addr;
 162     WORD          enabled : 1,
 163                   type : 1,
 164                   is32 : 1,
 165                   refcount : 13;
 166     WORD          skipcount;
 167     union {
 168        struct {
 169           BYTE          opcode;
 170           BOOL          (*func)(void);
 171        } b;
 172        struct {
 173           BYTE          rw : 1,
 174                         len : 2;
 175           BYTE          reg;
 176           DWORD         oldval;
 177        } w;
 178     } u;
 179     struct expr * condition;
 180 } DBG_BREAKPOINT;
 181
 182 /* Wine extension; Windows doesn't have a name for this code.  This is an
 183    undocumented exception understood by MS VC debugger, allowing the program
 184    to name a particular thread.  Search google.com or deja.com for "0x406d1388"
 185    for more info. */
 186 #define EXCEPTION_NAME_THREAD               0x406D1388
 187
 188 /* Helper structure */
 189 typedef struct tagTHREADNAME_INFO
 190 {
 191    DWORD   dwType;     /* Must be 0x1000 */
 192    LPCTSTR szName;     /* Pointer to name - limited to 9 bytes (8 characters + terminator) */
 193    DWORD   dwThreadID; /* Thread ID (-1 = caller thread) */
 194    DWORD   dwFlags;    /* Reserved for future use.  Must be zero. */
 195 } THREADNAME_INFO;
 196
 197 typedef struct tagDBG_THREAD {
 198     struct tagDBG_PROCESS*      process;
 199     HANDLE                      handle;
 200     DWORD                       tid;
 201     LPVOID                      start;
 202     LPVOID                      teb;
 203     int                         wait_for_first_exception;
 204     enum exec_mode              exec_mode;      /* mode the thread is run (step/run...) */
 205     int                         exec_count;     /* count of mode operations */
 206     enum dbg_mode               dbg_mode;       /* mode (VM86, 32bit, 16bit) */
 207     DBG_BREAKPOINT              stepOverBP;
 208     char                        name[9];
 209     struct tagDBG_THREAD*       next;
 210     struct tagDBG_THREAD*       prev;
 211 } DBG_THREAD;
 212
 213 typedef struct tagDBG_DELAYED_BP {
 214     BOOL                        is_symbol;
 215     union {
 216         struct {
 217             int                         lineno;
 218             char*                       name;
 219         } symbol;
 220         DBG_VALUE                       value;
 221     } u;
 222 } DBG_DELAYED_BP;
 223
 224 typedef struct tagDBG_PROCESS {
 225     HANDLE                      handle;
 226     DWORD                       pid;
 227     const char*                 imageName;
 228     DBG_THREAD*                 threads;
 229     int                         num_threads;
 230     unsigned                    continue_on_first_exception;
 231     struct tagDBG_MODULE**      modules;
 232     int                         num_modules;
 233     unsigned long               dbg_hdr_addr;
 234     DBG_DELAYED_BP*             delayed_bp;
 235     int                         num_delayed_bp;
 236     /*
 237      * This is an index we use to keep track of the debug information
 238      * when we have multiple sources. We use the same database to also
 239      * allow us to do an 'info shared' type of deal, and we use the index
 240      * to eliminate duplicates.
 241      */
 242     int                         next_index;
 243     struct tagDBG_PROCESS*      next;
 244     struct tagDBG_PROCESS*      prev;
 245 } DBG_PROCESS;
 246
 247 extern  DBG_PROCESS*    DEBUG_CurrProcess;
 248 extern  DBG_THREAD*     DEBUG_CurrThread;
 249 extern  DWORD           DEBUG_CurrTid;
 250 extern  DWORD           DEBUG_CurrPid;
 251 extern  CONTEXT         DEBUG_context;
 252 extern  BOOL            DEBUG_InteractiveP;
 253 extern  enum exit_mode  DEBUG_ExitMode;
 254 extern  HANDLE          DEBUG_hParserInput;
 255 extern  HANDLE          DEBUG_hParserOutput;
 256
 257 #define DEBUG_READ_MEM(addr, buf, len) \
 258       (ReadProcessMemory(DEBUG_CurrProcess->handle, (addr), (buf), (len), NULL))
 259
 260 #define DEBUG_WRITE_MEM(addr, buf, len) \
 261       (WriteProcessMemory(DEBUG_CurrProcess->handle, (addr), (buf), (len), NULL))
 262
 263 #define DEBUG_READ_MEM_VERBOSE(addr, buf, len) \
 264       (DEBUG_READ_MEM((addr), (buf), (len)) || (DEBUG_InvalLinAddr( addr ),0))
 265
 266 #define DEBUG_WRITE_MEM_VERBOSE(addr, buf, len) \
 267       (DEBUG_WRITE_MEM((addr), (buf), (len)) || (DEBUG_InvalLinAddr( addr ),0))
 268
 269 enum DbgInfoLoad {DIL_DEFERRED, DIL_LOADED, DIL_NOINFO, DIL_ERROR};
 270 enum DbgModuleType {DMT_UNKNOWN, DMT_ELF, DMT_NE, DMT_PE};
 271
 272 typedef struct tagDBG_MODULE {
 273    void*                        load_addr;
 274    unsigned long                size;
 275    char*                        module_name;
 276    enum DbgInfoLoad             dil;
 277    enum DbgModuleType           type;
 278    unsigned short               main : 1;
 279    short int                    dbg_index;
 280    HMODULE                      handle;
 281    struct tagMSC_DBG_INFO*      msc_info;
 282    struct tagELF_DBG_INFO*      elf_info;
 283 } DBG_MODULE;
 284
 285 typedef struct {
 286    DWORD                val;
 287    const char*          name;
 288    LPDWORD              pval;
 289    struct datatype*     type;
 290 } DBG_INTVAR;
 291
 292 #define OFFSET_OF(__c,__f)              ((int)(((char*)&(((__c*)0)->__f))-((char*)0)))
 293
 294   /* from winelib.so */
 295 extern void DEBUG_ExternalDebugger(void);
 296
 297   /* debugger/break.c */
 298 extern void DEBUG_SetBreakpoints( BOOL set );
 299 extern BOOL DEBUG_AddBreakpoint( const DBG_VALUE *addr, BOOL (*func)(void), BOOL verbose );
 300 extern BOOL DEBUG_AddBreakpointFromValue( const DBG_VALUE *addr );
 301 extern void DEBUG_AddBreakpointFromId( const char *name, int lineno );
 302 extern void DEBUG_AddBreakpointFromLineno( int lineno );
 303 extern void DEBUG_AddWatchpoint( const DBG_VALUE *addr, int is_write );
 304 extern void DEBUG_AddWatchpointFromId( const char *name );
 305 extern void DEBUG_CheckDelayedBP( void );
 306 extern void DEBUG_DelBreakpoint( int num );
 307 extern void DEBUG_EnableBreakpoint( int num, BOOL enable );
 308 extern void DEBUG_InfoBreakpoints(void);
 309 extern BOOL DEBUG_HandleTrap(void);
 310 extern BOOL DEBUG_ShouldContinue( DBG_ADDR* addr, DWORD code, int* count );
 311 extern void DEBUG_SuspendExecution( void );
 312 extern void DEBUG_RestartExecution( int count );
 313 extern BOOL DEBUG_IsFctReturn(void);
 314 extern int  DEBUG_AddBPCondition(int bpnum, struct expr * exp);
 315
 316   /* debugger/db_disasm.c */
 317 extern void DEBUG_Disasm( DBG_ADDR *addr, int display );
 318
 319   /* debugger/dbg.y */
 320 extern void DEBUG_Parser(LPCSTR);
 321 extern void DEBUG_Exit(DWORD);
 322
 323   /* debugger/debug.l */
 324 extern void DEBUG_FlushSymbols(void);
 325 extern char*DEBUG_MakeSymbol(const char*);
 326 extern int  DEBUG_ReadLine(const char* pfx, char* buffer, int size);
 327
 328   /* debugger/display.c */
 329 extern int DEBUG_DoDisplay(void);
 330 extern int DEBUG_AddDisplay(struct expr * exp, int count, char format);
 331 extern int DEBUG_DoDisplay(void);
 332 extern int DEBUG_DelDisplay(int displaynum);
 333 extern int DEBUG_InfoDisplay(void);
 334
 335   /* debugger/expr.c */
 336 extern void DEBUG_FreeExprMem(void);
 337 struct expr * DEBUG_IntVarExpr(const char* name);
 338 struct expr * DEBUG_SymbolExpr(const char * name);
 339 struct expr * DEBUG_ConstExpr(int val);
 340 struct expr * DEBUG_StringExpr(const char * str);
 341 struct expr * DEBUG_SegAddr(struct expr *, struct expr *);
 342 struct expr * DEBUG_USConstExpr(unsigned int val);
 343 struct expr * DEBUG_BinopExpr(int oper, struct expr *, struct expr *);
 344 struct expr * DEBUG_UnopExpr(int oper, struct expr *);
 345 struct expr * DEBUG_StructPExpr(struct expr *, const char * element);
 346 struct expr * DEBUG_StructExpr(struct expr *, const char * element);
 347 struct expr * DEBUG_ArrayExpr(struct expr *, struct expr * index);
 348 struct expr * DEBUG_CallExpr(const char *, int nargs, ...);
 349 struct expr * DEBUG_TypeCastExpr(struct datatype *, struct expr *);
 350 extern DBG_VALUE DEBUG_EvalExpr(struct expr *);
 351 extern int DEBUG_DelDisplay(int displaynum);
 352 extern struct expr * DEBUG_CloneExpr(const struct expr * exp);
 353 extern int DEBUG_FreeExpr(struct expr * exp);
 354 extern int DEBUG_DisplayExpr(const struct expr * exp);
 355
 356   /* debugger/hash.c */
 357 extern struct name_hash * DEBUG_AddSymbol( const char *name,
 358                                            const DBG_VALUE *addr,
 359                                            const char *sourcefile,
 360                                            int flags);
 361 extern int DEBUG_GetSymbolValue( const char * name, const int lineno,
 362                                  DBG_VALUE *addr, int );
 363 extern BOOL DEBUG_SetSymbolValue( const char * name, const DBG_VALUE *addr );
 364 extern const char * DEBUG_FindNearestSymbol( const DBG_ADDR *addr, int flag,
 365                                              struct name_hash ** rtn,
 366                                              unsigned int ebp,
 367                                              struct list_id * source);
 368 extern void DEBUG_ReadSymbolTable( const char * filename, unsigned long offset );
 369 extern void DEBUG_AddLineNumber( struct name_hash * func, int line_num,
 370                                  unsigned long offset );
 371 extern struct wine_locals *
 372             DEBUG_AddLocal( struct name_hash * func, int regno,
 373                             int offset,
 374                             int pc_start,
 375                             int pc_end,
 376                             char * name);
 377 extern int DEBUG_CheckLinenoStatus(const DBG_ADDR *addr);
 378 extern void DEBUG_GetFuncInfo(struct list_id * ret, const char * file,
 379                               const char * func);
 380 extern int DEBUG_SetSymbolSize(struct name_hash * sym, unsigned int len);
 381 extern int DEBUG_SetSymbolBPOff(struct name_hash * sym, unsigned int len);
 382 extern int DEBUG_GetSymbolAddr(struct name_hash * sym, DBG_ADDR * addr);
 383 extern int DEBUG_cmp_sym(const void * p1, const void * p2);
 384 extern BOOL DEBUG_GetLineNumberAddr( const struct name_hash *, const int lineno,
 385                                      DBG_ADDR *addr, int bp_flag );
 386
 387 extern int DEBUG_SetLocalSymbolType(struct wine_locals * sym,
 388                                     struct datatype * type);
 389 extern BOOL DEBUG_Normalize(struct name_hash * nh );
 390
 391   /* debugger/info.c */
 392 extern void DEBUG_PrintBasic( const DBG_VALUE* value, int count, char format );
 393 extern struct symbol_info DEBUG_PrintAddress( const DBG_ADDR *addr,
 394                                               enum dbg_mode mode, int flag );
 395 extern void DEBUG_Help(void);
 396 extern void DEBUG_HelpInfo(void);
 397 extern struct symbol_info DEBUG_PrintAddressAndArgs( const DBG_ADDR *addr,
 398                                                      enum dbg_mode mode,
 399                                                      unsigned int ebp,
 400                                                      int flag );
 401 extern void DEBUG_InfoClass(const char* clsName);
 402 extern void DEBUG_WalkClasses(void);
 403 extern void DEBUG_WalkModref(DWORD p);
 404 extern void DEBUG_DumpModule(DWORD mod);
 405 extern void DEBUG_WalkModules(void);
 406 extern void DEBUG_WalkProcess(void);
 407 extern void DEBUG_WalkThreads(void);
 408 extern void DEBUG_DumpQueue(DWORD q);
 409 extern void DEBUG_WalkQueues(void);
 410 extern void DEBUG_InfoSegments(DWORD s, int v);
 411 extern void DEBUG_InfoVirtual(void);
 412 extern void DEBUG_InfoWindow(HWND hWnd);
 413 extern void DEBUG_WalkWindows(HWND hWnd, int indent);
 414 extern void DEBUG_DbgChannel(BOOL add, const char* chnl, const char* name);
 415
 416   /* debugger/memory.c */
 417 extern int  DEBUG_ReadMemory( const DBG_VALUE* value );
 418 extern void DEBUG_WriteMemory( const DBG_VALUE* val, int value );
 419 extern void DEBUG_ExamineMemory( const DBG_VALUE *addr, int count, char format);
 420 extern void DEBUG_InvalAddr( const DBG_ADDR* addr );
 421 extern void DEBUG_InvalLinAddr( void* addr );
 422 extern DWORD DEBUG_ToLinear( const DBG_ADDR *address );
 423 extern void DEBUG_GetCurrentAddress( DBG_ADDR * );
 424 extern BOOL DEBUG_GrabAddress( DBG_VALUE* value, BOOL fromCode );
 425 extern enum dbg_mode DEBUG_GetSelectorType( WORD sel );
 426 #ifdef __i386__
 427 extern void DEBUG_FixAddress( DBG_ADDR *address, DWORD def );
 428 extern int  DEBUG_IsSelectorSystem( WORD sel );
 429 #endif
 430 extern int  DEBUG_PrintStringA( int chnl, const DBG_ADDR* address, int len );
 431 extern int  DEBUG_PrintStringW( int chnl, const DBG_ADDR* address, int len );
 432
 433   /* debugger/module.c */
 434 extern int  DEBUG_LoadEntryPoints( const char * prefix );
 435 extern void DEBUG_LoadModule32( const char* name, HANDLE hFile, DWORD base );
 436 extern DBG_MODULE* DEBUG_AddModule(const char* name, enum DbgModuleType type,
 437                                    void* mod_addr, u_long size, HMODULE hmod);
 438 extern DBG_MODULE* DEBUG_FindModuleByName(const char* name, enum DbgModuleType type);
 439 extern DBG_MODULE* DEBUG_FindModuleByHandle(HANDLE handle, enum DbgModuleType type);
 440 extern DBG_MODULE* DEBUG_FindModuleByAddr(void* addr, enum DbgModuleType type);
 441 extern DBG_MODULE* DEBUG_GetProcessMainModule(DBG_PROCESS* process);
 442 extern DBG_MODULE* DEBUG_RegisterPEModule(HMODULE, u_long load_addr, u_long size,
 443                                           const char* name);
 444 extern DBG_MODULE* DEBUG_RegisterELFModule(u_long load_addr, u_long size,
 445                                            const char* name);
 446 extern enum DbgInfoLoad DEBUG_RegisterPEDebugInfo(DBG_MODULE* wmod, HANDLE hFile,
 447                                                   void* _nth, unsigned long nth_ofs);
 448 extern void DEBUG_ReportDIL(enum DbgInfoLoad dil, const char* pfx,
 449                             const char* filename, DWORD load_addr);
 450 extern void DEBUG_InfoShare(void);
 451
 452   /* debugger/msc.c */
 453 extern enum DbgInfoLoad DEBUG_RegisterMSCDebugInfo(DBG_MODULE* module, HANDLE hFile,
 454                                                    void* nth, unsigned long nth_ofs);
 455 extern enum DbgInfoLoad DEBUG_RegisterStabsDebugInfo(DBG_MODULE* module,
 456                                                      HANDLE hFile, void* nth,
 457                                                      unsigned long nth_ofs);
 458 extern void DEBUG_InitCVDataTypes(void);
 459
 460   /* debugger/registers.c */
 461 extern void DEBUG_InfoRegisters(const CONTEXT* ctx);
 462 extern BOOL DEBUG_ValidateRegisters(void);
 463
 464   /* debugger/source.c */
 465 extern void DEBUG_ShowDir(void);
 466 extern void DEBUG_AddPath(const char * path);
 467 extern void DEBUG_List(struct list_id * line1, struct list_id * line2,
 468                        int delta);
 469 extern void DEBUG_NukePath(void);
 470 extern void DEBUG_Disassemble(const DBG_VALUE *, const DBG_VALUE*, int offset);
 471 extern BOOL DEBUG_DisassembleInstruction(DBG_ADDR *addr);
 472
 473   /* debugger/stack.c */
 474 extern void DEBUG_InfoStack(void);
 475 extern void DEBUG_BackTrace(DWORD threadID, BOOL noisy);
 476 extern int  DEBUG_InfoLocals(void);
 477 extern int  DEBUG_SetFrame(int newframe);
 478 extern int  DEBUG_GetCurrentFrame(struct name_hash ** name,
 479                                   unsigned int * eip,
 480                                   unsigned int * ebp);
 481
 482   /* debugger/stabs.c */
 483 extern enum DbgInfoLoad DEBUG_ReadExecutableDbgInfo(const char* exe_name);
 484 extern enum DbgInfoLoad DEBUG_ParseStabs(char * addr, unsigned int load_offset,
 485                                          unsigned int staboff, int stablen,
 486                                          unsigned int strtaboff, int strtablen);
 487
 488   /* debugger/types.c */
 489 extern int DEBUG_nchar;
 490 extern void DEBUG_InitTypes(void);
 491 extern struct datatype * DEBUG_NewDataType(enum debug_type xtype,
 492                                            const char * typename);
 493 extern unsigned int DEBUG_TypeDerefPointer(const DBG_VALUE *value,
 494                                            struct datatype ** newtype);
 495 extern int DEBUG_AddStructElement(struct datatype * dt,
 496                                   char * name, struct datatype * type,
 497                                   int offset, int size);
 498 extern int DEBUG_SetStructSize(struct datatype * dt, int size);
 499 extern int DEBUG_SetPointerType(struct datatype * dt, struct datatype * dt2);
 500 extern int DEBUG_SetArrayParams(struct datatype * dt, int min, int max,
 501                                 struct datatype * dt2);
 502 extern void DEBUG_Print( const DBG_VALUE *addr, int count, char format, int level );
 503 extern unsigned int DEBUG_FindStructElement(DBG_VALUE * addr,
 504                                             const char * ele_name, int * tmpbuf);
 505 extern struct datatype * DEBUG_GetPointerType(struct datatype * dt);
 506 extern int DEBUG_GetObjectSize(struct datatype * dt);
 507 extern unsigned int DEBUG_ArrayIndex(const DBG_VALUE * addr, DBG_VALUE * result,
 508                                      int index);
 509 extern struct datatype * DEBUG_FindOrMakePointerType(struct datatype * reftype);
 510 extern long long int DEBUG_GetExprValue(const DBG_VALUE * addr, char ** format);
 511 extern int DEBUG_SetBitfieldParams(struct datatype * dt, int offset,
 512                                    int nbits, struct datatype * dt2);
 513 extern int DEBUG_CopyFieldlist(struct datatype * dt, struct datatype * dt2);
 514 extern enum debug_type DEBUG_GetType(struct datatype * dt);
 515 extern struct datatype * DEBUG_TypeCast(enum debug_type, const char *);
 516 extern int DEBUG_PrintTypeCast(const struct datatype *);
 517 extern int DEBUG_PrintType( const DBG_VALUE* addr );
 518 extern struct datatype * DEBUG_GetBasicType(enum debug_type_basic);
 519
 520   /* debugger/winedbg.c */
 521 #define DBG_CHN_MESG    1
 522 #define DBG_CHN_ERR     2
 523 #define DBG_CHN_WARN    4
 524 #define DBG_CHN_FIXME   8
 525 #define DBG_CHN_TRACE   16
 526 extern void             DEBUG_OutputA(int chn, const char* buffer, int len);
 527 extern void             DEBUG_OutputW(int chn, const WCHAR* buffer, int len);
 528 #ifdef __GNUC__
 529 extern int              DEBUG_Printf(int chn, const char* format, ...) __attribute__((format (printf,2,3)));
 530 #else
 531 extern int              DEBUG_Printf(int chn, const char* format, ...);
 532 #endif
 533 extern DBG_INTVAR*      DEBUG_GetIntVar(const char*);
 534 extern BOOL             DEBUG_Attach(DWORD pid, BOOL cofe);
 535 extern BOOL             DEBUG_Detach(void);
 536 extern void             DEBUG_Run(const char* args);
 537 extern DBG_PROCESS*     DEBUG_AddProcess(DWORD pid, HANDLE h, const char* imageName);
 538 extern DBG_PROCESS*     DEBUG_GetProcess(DWORD pid);
 539 extern void             DEBUG_DelProcess(DBG_PROCESS* p);
 540 extern DBG_THREAD*      DEBUG_AddThread(DBG_PROCESS* p, DWORD tid, HANDLE h, LPVOID start, LPVOID teb);
 541 extern DBG_THREAD*      DEBUG_GetThread(DBG_PROCESS* p, DWORD tid);
 542 extern void             DEBUG_DelThread(DBG_THREAD* t);
 543 extern BOOL             DEBUG_ProcessGetString(char* buffer, int size, HANDLE hp, LPSTR addr);
 544 extern BOOL             DEBUG_ProcessGetStringIndirect(char* buffer, int size, HANDLE hp, LPVOID addr);
 545 extern void             DEBUG_WaitNextException(DWORD cont, int count, int mode);
 546 extern int curr_frame;
 547
 548 /* gdbproxy.c */
 549 extern BOOL DEBUG_GdbRemote(unsigned int);
 550
 551 /* Choose your allocator! */
 552 #if 1
 553 /* this one is libc's fast one */
 554 extern void*    DEBUG_XMalloc(size_t size);
 555 extern void*    DEBUG_XReAlloc(void *ptr, size_t size);
 556 extern char*    DEBUG_XStrDup(const char *str);
 557
 558 #define DBG_alloc(x)            DEBUG_XMalloc(x)
 559 #define DBG_realloc(x,y)        DEBUG_XReAlloc(x,y)
 560 #define DBG_free(x)             free(x)
 561 #define DBG_strdup(x)           DEBUG_XStrDup(x)
 562 #else
 563 /* this one is slow (takes 5 minutes to load the debugger on my machine),
 564    if someone could make optimized routines so it wouldn't
 565    take so long to load, it could be made default) */
 566 #define DBG_alloc(x) HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,x)
 567 #define DBG_realloc(x,y) HeapReAlloc(GetProcessHeap(),0,x,y)
 568 #define DBG_free(x) HeapFree(GetProcessHeap(),0,x)
 569 inline static LPSTR DBG_strdup( LPCSTR str )
 570 {
 571     INT len = strlen(str) + 1;
 572     LPSTR p = DBG_alloc( len );
 573     if (p) memcpy( p, str, len );
 574     return p;
 575 }
 576 #endif
 577
 578 #define DEBUG_STATUS_OFFSET             0x80003000
 579 #define DEBUG_STATUS_INTERNAL_ERROR     (DEBUG_STATUS_OFFSET+0)
 580 #define DEBUG_STATUS_NO_SYMBOL          (DEBUG_STATUS_OFFSET+1)
 581 #define DEBUG_STATUS_DIV_BY_ZERO        (DEBUG_STATUS_OFFSET+2)
 582 #define DEBUG_STATUS_BAD_TYPE           (DEBUG_STATUS_OFFSET+3)
 583 #define DEBUG_STATUS_NO_FIELD           (DEBUG_STATUS_OFFSET+4)
 584
 585 extern DBG_INTVAR               DEBUG_IntVars[];
 586
 587 #define  DBG_IVARNAME(_var)     DEBUG_IV_##_var
 588 #define  DBG_IVARSTRUCT(_var)   DEBUG_IntVars[DBG_IVARNAME(_var)]
 589 #define  DBG_IVAR(_var)         (*(DBG_IVARSTRUCT(_var).pval))
 590 #define  INTERNAL_VAR(_var,_val,_ref,_typ) DBG_IVARNAME(_var),
 591 enum debug_int_var {
 592 #include "intvar.h"
 593    DBG_IV_LAST
 594 };
 595 #undef   INTERNAL_VAR
 596
 597 #endif  /* __WINE_DEBUGGER_H */