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