| %{ |
| /* |
| * Parser for command lines in the Wine debugger |
| * |
| * Copyright 1993 Eric Youngdale |
| * Copyright 1995 Morten Welinder |
| */ |
| |
| #include <stdio.h> |
| #include <signal.h> |
| #include <sys/stat.h> |
| #include <unistd.h> |
| #include "class.h" |
| #include "module.h" |
| #include "options.h" |
| #include "queue.h" |
| #include "win.h" |
| #include "winnt.h" |
| #include "debugger.h" |
| #include "neexe.h" |
| |
| #include "expr.h" |
| |
| extern FILE * yyin; |
| unsigned int dbg_mode = 0; |
| int curr_frame = 0; |
| |
| static enum exec_mode dbg_exec_mode = EXEC_CONT; |
| static int dbg_exec_count = 0; |
| |
| void issue_prompt(void); |
| void mode_command(int); |
| void flush_symbols(void); |
| int yylex(void); |
| int yyerror(char *); |
| |
| extern void VIRTUAL_Dump(void); /* memory/virtual.c */ |
| |
| %} |
| |
| %union |
| { |
| DBG_ADDR address; |
| enum debug_regs reg; |
| char * string; |
| int integer; |
| struct list_id listing; |
| struct expr * expression; |
| struct datatype * type; |
| } |
| |
| %token tCONT tSTEP tLIST tNEXT tQUIT tHELP tBACKTRACE tINFO tWALK tUP tDOWN |
| %token tENABLE tDISABLE tBREAK tDELETE tSET tMODE tPRINT tEXAM tABORT |
| %token tCLASS tMAPS tMODULE tSTACK tSEGMENTS tREGS tWND tQUEUE tLOCAL |
| %token tEOL tSTRING |
| %token tFRAME tSHARE tCOND tDISPLAY tUNDISPLAY tDISASSEMBLE |
| %token tSTEPI tNEXTI tFINISH tSHOW tDIR |
| %token <string> tPATH |
| %token <string> tIDENTIFIER tSTRING |
| %token <integer> tNUM tFORMAT |
| %token <reg> tREG |
| |
| %token tCHAR tSHORT tINT tLONG tFLOAT tDOUBLE tUNSIGNED tSIGNED |
| %token tSTRUCT tUNION tENUM |
| |
| /* %left ',' */ |
| /* %left '=' OP_OR_EQUAL OP_XOR_EQUAL OP_AND_EQUAL OP_SHL_EQUAL \ |
| OP_SHR_EQUAL OP_PLUS_EQUAL OP_MINUS_EQUAL \ |
| OP_TIMES_EQUAL OP_DIVIDE_EQUAL OP_MODULO_EQUAL */ |
| /* %left OP_COND */ /* ... ? ... : ... */ |
| %left OP_LOR |
| %left OP_LAND |
| %left '|' |
| %left '^' |
| %left '&' |
| %left OP_EQ OP_NE |
| %left '<' '>' OP_LE OP_GE |
| %left OP_SHL OP_SHR |
| %left '+' '-' |
| %left '*' '/' '%' |
| %left OP_SIGN '!' '~' OP_DEREF /* OP_INC OP_DEC OP_ADDR */ |
| %left '.' '[' OP_DRF |
| %nonassoc ':' |
| |
| %type <expression> expr lval lvalue |
| %type <type> type_cast type_expr |
| %type <address> expr_addr lval_addr |
| %type <integer> expr_value |
| %type <string> pathname |
| |
| %type <listing> list_arg |
| |
| %% |
| |
| input: line { issue_prompt(); } |
| | input line { issue_prompt(); } |
| |
| line: command |
| | tEOL |
| | error tEOL { yyerrok; } |
| |
| command: |
| tQUIT tEOL { exit(0); } |
| | tHELP tEOL { DEBUG_Help(); } |
| | tHELP tINFO tEOL { DEBUG_HelpInfo(); } |
| | tCONT tEOL { dbg_exec_count = 1; |
| dbg_exec_mode = EXEC_CONT; return 0; } |
| | tCONT tNUM tEOL { dbg_exec_count = $2; |
| dbg_exec_mode = EXEC_CONT; return 0; } |
| | tSTEP tEOL { dbg_exec_count = 1; |
| dbg_exec_mode = EXEC_STEP_INSTR; return 0; } |
| | tNEXT tEOL { dbg_exec_count = 1; |
| dbg_exec_mode = EXEC_STEP_OVER; return 0; } |
| | tSTEP tNUM tEOL { dbg_exec_count = $2; |
| dbg_exec_mode = EXEC_STEP_INSTR; return 0; } |
| | tNEXT tNUM tEOL { dbg_exec_count = $2; |
| dbg_exec_mode = EXEC_STEP_OVER; return 0; } |
| | tSTEPI tEOL { dbg_exec_count = 1; |
| dbg_exec_mode = EXEC_STEPI_INSTR; return 0; } |
| | tNEXTI tEOL { dbg_exec_count = 1; |
| dbg_exec_mode = EXEC_STEPI_OVER; return 0; } |
| | tSTEPI tNUM tEOL { dbg_exec_count = $2; |
| dbg_exec_mode = EXEC_STEPI_INSTR; return 0; } |
| | tNEXTI tNUM tEOL { dbg_exec_count = $2; |
| dbg_exec_mode = EXEC_STEPI_OVER; return 0; } |
| | tABORT tEOL { kill(getpid(), SIGABRT); } |
| | tMODE tNUM tEOL { mode_command($2); } |
| | tENABLE tNUM tEOL { DEBUG_EnableBreakpoint( $2, TRUE ); } |
| | tDISABLE tNUM tEOL { DEBUG_EnableBreakpoint( $2, FALSE ); } |
| | tDELETE tBREAK tNUM tEOL { DEBUG_DelBreakpoint( $3 ); } |
| | tBACKTRACE tEOL { DEBUG_BackTrace(); } |
| | tUP tEOL { DEBUG_SetFrame( curr_frame + 1 ); } |
| | tUP tNUM tEOL { DEBUG_SetFrame( curr_frame + $2 ); } |
| | tDOWN tEOL { DEBUG_SetFrame( curr_frame - 1 ); } |
| | tDOWN tNUM tEOL { DEBUG_SetFrame( curr_frame - $2 ); } |
| | tFRAME tNUM tEOL { DEBUG_SetFrame( $2 ); } |
| | tFINISH tEOL { dbg_exec_count = 0; |
| dbg_exec_mode = EXEC_FINISH; return 0; } |
| | tSHOW tDIR tEOL { DEBUG_ShowDir(); } |
| | tDIR pathname tEOL { DEBUG_AddPath( $2 ); } |
| | tDIR tEOL { DEBUG_NukePath(); } |
| | tDISPLAY tEOL { DEBUG_InfoDisplay(); } |
| | tDISPLAY expr tEOL { DEBUG_AddDisplay($2, 1, 0); } |
| | tDISPLAY tFORMAT expr tEOL { DEBUG_AddDisplay($3, $2 >> 8, $2 & 0xff); } |
| | tDELETE tDISPLAY tNUM tEOL { DEBUG_DelDisplay( $3 ); } |
| | tDELETE tDISPLAY tEOL { DEBUG_DelDisplay( -1 ); } |
| | tUNDISPLAY tNUM tEOL { DEBUG_DelDisplay( $2 ); } |
| | tUNDISPLAY tEOL { DEBUG_DelDisplay( -1 ); } |
| | tCOND tNUM tEOL { DEBUG_AddBPCondition($2, NULL); } |
| | tCOND tNUM expr tEOL { DEBUG_AddBPCondition($2, $3); } |
| | list_command |
| | disassemble_command |
| | set_command |
| | x_command |
| | print_command |
| | break_command |
| | info_command |
| | walk_command |
| |
| set_command: |
| tSET tREG '=' expr_value tEOL { DEBUG_SetRegister( $2, $4 ); |
| DEBUG_FreeExprMem(); } |
| | tSET lval_addr '=' expr_value tEOL { DEBUG_WriteMemory( &$2, $4 ); |
| DEBUG_FreeExprMem(); } |
| |
| pathname: |
| tIDENTIFIER { $$ = $1; } |
| | tPATH { $$ = $1; } |
| |
| disassemble_command: |
| tDISASSEMBLE tEOL { DEBUG_Disassemble( NULL, NULL, 10 ); } |
| | tDISASSEMBLE expr_addr tEOL { DEBUG_Disassemble( & $2, NULL, 10 ); } |
| | tDISASSEMBLE expr_addr ',' expr_addr tEOL { DEBUG_Disassemble( & $2, & $4, 0 ); } |
| |
| list_command: |
| tLIST tEOL { DEBUG_List( NULL, NULL, 10 ); } |
| | tLIST '-' tEOL { DEBUG_List( NULL, NULL, -10 ); } |
| | tLIST list_arg tEOL { DEBUG_List( & $2, NULL, 10 ); } |
| | tLIST ',' list_arg tEOL { DEBUG_List( NULL, & $3, -10 ); } |
| | tLIST list_arg ',' list_arg tEOL { DEBUG_List( & $2, & $4, 0 ); } |
| |
| list_arg: |
| tNUM { $$.sourcefile = NULL; $$.line = $1; } |
| | pathname ':' tNUM { $$.sourcefile = $1; $$.line = $3; } |
| | tIDENTIFIER { DEBUG_GetFuncInfo( & $$, NULL, $1); } |
| | pathname ':' tIDENTIFIER { DEBUG_GetFuncInfo( & $$, $1, $3); } |
| | '*' expr_addr { DEBUG_FindNearestSymbol( & $2, FALSE, NULL, |
| 0, & $$ ); |
| DEBUG_FreeExprMem(); } |
| |
| x_command: |
| tEXAM expr_addr tEOL { DEBUG_ExamineMemory( &$2, 1, 'x'); |
| DEBUG_FreeExprMem(); } |
| | tEXAM tFORMAT expr_addr tEOL { DEBUG_ExamineMemory( &$3, $2>>8, $2&0xff ); |
| DEBUG_FreeExprMem(); } |
| |
| print_command: |
| tPRINT expr_addr tEOL { DEBUG_Print( &$2, 1, 0, 0 ); |
| DEBUG_FreeExprMem(); } |
| | tPRINT tFORMAT expr_addr tEOL { DEBUG_Print( &$3, $2 >> 8, $2 & 0xff, 0 ); |
| DEBUG_FreeExprMem(); } |
| |
| break_command: |
| tBREAK '*' expr_addr tEOL { DEBUG_AddBreakpoint( &$3 ); |
| DEBUG_FreeExprMem(); } |
| | tBREAK tIDENTIFIER tEOL { DBG_ADDR addr; |
| if( DEBUG_GetSymbolValue($2, -1, &addr, TRUE) ) |
| { |
| DEBUG_AddBreakpoint( &addr ); |
| } |
| else |
| { |
| fprintf(stderr,"Unable to add breakpoint\n"); |
| } |
| } |
| | tBREAK tIDENTIFIER ':' tNUM tEOL { DBG_ADDR addr; |
| if( DEBUG_GetSymbolValue($2, $4, &addr, TRUE) ) |
| { |
| DEBUG_AddBreakpoint( &addr ); |
| } |
| else |
| { |
| fprintf(stderr,"Unable to add breakpoint\n"); |
| } |
| } |
| | tBREAK tNUM tEOL { struct name_hash *nh; |
| DBG_ADDR addr = { NULL, |
| CS_reg(&DEBUG_context), |
| EIP_reg(&DEBUG_context) }; |
| |
| DBG_FIX_ADDR_SEG( &addr, CS_reg(&DEBUG_context) ); |
| DEBUG_FindNearestSymbol(&addr, TRUE, |
| &nh, 0, NULL); |
| if( nh != NULL ) |
| { |
| DEBUG_GetLineNumberAddr(nh, |
| $2, &addr, TRUE); |
| DEBUG_AddBreakpoint( &addr ); |
| } |
| else |
| { |
| fprintf(stderr,"Unable to add breakpoint\n"); |
| } |
| } |
| |
| | tBREAK tEOL { DBG_ADDR addr = { NULL, |
| CS_reg(&DEBUG_context), |
| EIP_reg(&DEBUG_context) }; |
| DEBUG_AddBreakpoint( &addr ); |
| } |
| |
| info_command: |
| tINFO tBREAK tEOL { DEBUG_InfoBreakpoints(); } |
| | tINFO tCLASS expr_value tEOL { CLASS_DumpClass( (CLASS *)$3 ); |
| DEBUG_FreeExprMem(); } |
| | tINFO tSHARE tEOL { DEBUG_InfoShare(); } |
| | tINFO tMODULE expr_value tEOL { NE_DumpModule( $3 ); |
| DEBUG_FreeExprMem(); } |
| | tINFO tQUEUE expr_value tEOL { QUEUE_DumpQueue( $3 ); |
| DEBUG_FreeExprMem(); } |
| | tINFO tREGS tEOL { DEBUG_InfoRegisters(); } |
| | tINFO tSEGMENTS expr_value tEOL { LDT_Print( SELECTOR_TO_ENTRY($3), 1 ); |
| DEBUG_FreeExprMem(); } |
| | tINFO tSEGMENTS tEOL { LDT_Print( 0, -1 ); } |
| | tINFO tSTACK tEOL { DEBUG_InfoStack(); } |
| | tINFO tMAPS tEOL { VIRTUAL_Dump(); } |
| | tINFO tWND expr_value tEOL { WIN_DumpWindow( $3 ); |
| DEBUG_FreeExprMem(); } |
| | tINFO tLOCAL tEOL { DEBUG_InfoLocals(); } |
| | tINFO tDISPLAY tEOL { DEBUG_InfoDisplay(); } |
| |
| walk_command: |
| tWALK tCLASS tEOL { CLASS_WalkClasses(); } |
| | tWALK tMODULE tEOL { NE_WalkModules(); } |
| | tWALK tQUEUE tEOL { QUEUE_WalkQueues(); } |
| | tWALK tWND tEOL { WIN_WalkWindows( 0, 0 ); } |
| | tWALK tWND tNUM tEOL { WIN_WalkWindows( $3, 0 ); } |
| |
| |
| type_cast: |
| '(' type_expr ')' { $$ = $2; } |
| |
| type_expr: |
| type_expr '*' { $$ = DEBUG_FindOrMakePointerType($1); } |
| | tINT { $$ = DEBUG_TypeCast(BASIC, "int"); } |
| | tCHAR { $$ = DEBUG_TypeCast(BASIC, "char"); } |
| | tLONG tINT { $$ = DEBUG_TypeCast(BASIC, "long int"); } |
| | tUNSIGNED tINT { $$ = DEBUG_TypeCast(BASIC, "unsigned int"); } |
| | tLONG tUNSIGNED tINT { $$ = DEBUG_TypeCast(BASIC, "long unsigned int"); } |
| | tLONG tLONG tINT { $$ = DEBUG_TypeCast(BASIC, "long long int"); } |
| | tLONG tLONG tUNSIGNED tINT { $$ = DEBUG_TypeCast(BASIC, "long long unsigned int"); } |
| | tSHORT tINT { $$ = DEBUG_TypeCast(BASIC, "short int"); } |
| | tSHORT tUNSIGNED tINT { $$ = DEBUG_TypeCast(BASIC, "short unsigned int"); } |
| | tSIGNED tCHAR { $$ = DEBUG_TypeCast(BASIC, "signed char"); } |
| | tUNSIGNED tCHAR { $$ = DEBUG_TypeCast(BASIC, "unsigned char"); } |
| | tFLOAT { $$ = DEBUG_TypeCast(BASIC, "float"); } |
| | tDOUBLE { $$ = DEBUG_TypeCast(BASIC, "double"); } |
| | tLONG tDOUBLE { $$ = DEBUG_TypeCast(BASIC, "long double"); } |
| | tSTRUCT tIDENTIFIER { $$ = DEBUG_TypeCast(STRUCT, $2); } |
| | tUNION tIDENTIFIER { $$ = DEBUG_TypeCast(STRUCT, $2); } |
| | tENUM tIDENTIFIER { $$ = DEBUG_TypeCast(ENUM, $2); } |
| |
| expr_addr: |
| expr { $$ = DEBUG_EvalExpr($1); } |
| |
| expr_value: |
| expr { DBG_ADDR addr = DEBUG_EvalExpr($1); |
| $$ = addr.off ? *(unsigned int *) addr.off : 0; } |
| /* |
| * The expr rule builds an expression tree. When we are done, we call |
| * EvalExpr to evaluate the value of the expression. The advantage of |
| * the two-step approach is that it is possible to save expressions for |
| * use in 'display' commands, and in conditional watchpoints. |
| */ |
| expr: |
| tNUM { $$ = DEBUG_ConstExpr($1); } |
| | tSTRING { $$ = DEBUG_StringExpr($1); } |
| | tREG { $$ = DEBUG_RegisterExpr($1); } |
| | tIDENTIFIER { $$ = DEBUG_SymbolExpr($1); } |
| | expr OP_DRF tIDENTIFIER { $$ = DEBUG_StructPExpr($1, $3); } |
| | expr '.' tIDENTIFIER { $$ = DEBUG_StructExpr($1, $3); } |
| | tIDENTIFIER '(' ')' { $$ = DEBUG_CallExpr($1, 0); } |
| | tIDENTIFIER '(' expr ')' { $$ = DEBUG_CallExpr($1, 1, $3); } |
| | tIDENTIFIER '(' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 2, $3, |
| $5); } |
| | tIDENTIFIER '(' expr ',' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 3, $3, $5, $7); } |
| | tIDENTIFIER '(' expr ',' expr ',' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 3, $3, $5, $7, $9); } |
| | tIDENTIFIER '(' expr ',' expr ',' expr ',' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 3, $3, $5, $7, $9, $11); } |
| | expr '[' expr ']' { $$ = DEBUG_BinopExpr(EXP_OP_ARR, $1, $3); } |
| | expr ':' expr { $$ = DEBUG_BinopExpr(EXP_OP_SEG, $1, $3); } |
| | expr OP_LOR expr { $$ = DEBUG_BinopExpr(EXP_OP_LOR, $1, $3); } |
| | expr OP_LAND expr { $$ = DEBUG_BinopExpr(EXP_OP_LAND, $1, $3); } |
| | expr '|' expr { $$ = DEBUG_BinopExpr(EXP_OP_OR, $1, $3); } |
| | expr '&' expr { $$ = DEBUG_BinopExpr(EXP_OP_AND, $1, $3); } |
| | expr '^' expr { $$ = DEBUG_BinopExpr(EXP_OP_XOR, $1, $3); } |
| | expr OP_EQ expr { $$ = DEBUG_BinopExpr(EXP_OP_EQ, $1, $3); } |
| | expr '>' expr { $$ = DEBUG_BinopExpr(EXP_OP_GT, $1, $3); } |
| | expr '<' expr { $$ = DEBUG_BinopExpr(EXP_OP_LT, $1, $3); } |
| | expr OP_GE expr { $$ = DEBUG_BinopExpr(EXP_OP_GE, $1, $3); } |
| | expr OP_LE expr { $$ = DEBUG_BinopExpr(EXP_OP_LE, $1, $3); } |
| | expr OP_NE expr { $$ = DEBUG_BinopExpr(EXP_OP_NE, $1, $3); } |
| | expr OP_SHL expr { $$ = DEBUG_BinopExpr(EXP_OP_SHL, $1, $3); } |
| | expr OP_SHR expr { $$ = DEBUG_BinopExpr(EXP_OP_SHR, $1, $3); } |
| | expr '+' expr { $$ = DEBUG_BinopExpr(EXP_OP_ADD, $1, $3); } |
| | expr '-' expr { $$ = DEBUG_BinopExpr(EXP_OP_SUB, $1, $3); } |
| | expr '*' expr { $$ = DEBUG_BinopExpr(EXP_OP_MUL, $1, $3); } |
| | expr '/' expr { $$ = DEBUG_BinopExpr(EXP_OP_DIV, $1, $3); } |
| | expr '%' expr { $$ = DEBUG_BinopExpr(EXP_OP_REM, $1, $3); } |
| | '-' expr %prec OP_SIGN { $$ = DEBUG_UnopExpr(EXP_OP_NEG, $2); } |
| | '+' expr %prec OP_SIGN { $$ = $2; } |
| | '!' expr { $$ = DEBUG_UnopExpr(EXP_OP_NOT, $2); } |
| | '~' expr { $$ = DEBUG_UnopExpr(EXP_OP_LNOT, $2); } |
| | '(' expr ')' { $$ = $2; } |
| | '*' expr %prec OP_DEREF { $$ = DEBUG_UnopExpr(EXP_OP_DEREF, $2); } |
| | '&' expr %prec OP_DEREF { $$ = DEBUG_UnopExpr(EXP_OP_ADDR, $2); } |
| | type_cast expr %prec OP_DEREF { $$ = DEBUG_TypeCastExpr($1, $2); } |
| |
| /* |
| * The lvalue rule builds an expression tree. This is a limited form |
| * of expression that is suitable to be used as an lvalue. |
| */ |
| lval_addr: |
| lval { $$ = DEBUG_EvalExpr($1); } |
| |
| lval: |
| lvalue { $$ = $1; } |
| | '*' expr { $$ = DEBUG_UnopExpr(EXP_OP_FORCE_DEREF, $2); } |
| |
| lvalue: |
| tNUM { $$ = DEBUG_ConstExpr($1); } |
| | tREG { $$ = DEBUG_RegisterExpr($1); } |
| | tIDENTIFIER { $$ = DEBUG_SymbolExpr($1); } |
| | lvalue OP_DRF tIDENTIFIER { $$ = DEBUG_StructPExpr($1, $3); } |
| | lvalue '.' tIDENTIFIER { $$ = DEBUG_StructExpr($1, $3); } |
| | lvalue '[' expr ']' { $$ = DEBUG_BinopExpr(EXP_OP_ARR, $1, $3); } |
| |
| %% |
| |
| void |
| issue_prompt(){ |
| #ifdef DONT_USE_READLINE |
| fprintf(stderr,"Wine-dbg>"); |
| #endif |
| } |
| |
| void mode_command(int newmode) |
| { |
| if ((newmode == 16) || (newmode == 32)) dbg_mode = newmode; |
| else fprintf(stderr,"Invalid mode (use 16 or 32)\n"); |
| } |
| |
| |
| /*********************************************************************** |
| * DEBUG_Main |
| * |
| * Debugger main loop. |
| */ |
| static void DEBUG_Main( int signal ) |
| { |
| static int loaded_symbols = 0; |
| static BOOL32 in_debugger = FALSE; |
| char SymbolTableFile[256]; |
| int newmode; |
| BOOL32 ret_ok; |
| #ifdef YYDEBUG |
| yydebug = 0; |
| #endif |
| |
| if (in_debugger) |
| { |
| fprintf( stderr, "Segmentation fault inside debugger, exiting.\n" ); |
| exit(1); |
| } |
| in_debugger = TRUE; |
| yyin = stdin; |
| |
| DEBUG_SetBreakpoints( FALSE ); |
| |
| if (!loaded_symbols) |
| { |
| loaded_symbols++; |
| |
| /* |
| * Initialize the type handling stuff. |
| */ |
| DEBUG_InitTypes(); |
| |
| /* |
| * In some cases we can read the stabs information directly |
| * from the executable. If this is the case, we don't need |
| * to bother with trying to read a symbol file, as the stabs |
| * also have line number and local variable information. |
| * As long as gcc is used for the compiler, stabs will |
| * be the default. On SVr4, DWARF could be used, but we |
| * don't grok that yet, and in this case we fall back to using |
| * the wine.sym file. |
| */ |
| fprintf(stderr,"Loading symbols: "); |
| if( DEBUG_ReadExecutableDbgInfo() == FALSE ) |
| { |
| char *symfilename = "wine.sym"; |
| struct stat statbuf; |
| if (-1 == stat(symfilename, &statbuf) ) |
| symfilename = LIBDIR "wine.sym"; |
| |
| PROFILE_GetWineIniString( "wine", "SymbolTableFile", symfilename, |
| SymbolTableFile, sizeof(SymbolTableFile)); |
| DEBUG_ReadSymbolTable( SymbolTableFile ); |
| } |
| |
| DEBUG_LoadEntryPoints(); |
| DEBUG_ProcessDeferredDebug(); |
| fprintf(stderr,"\n"); |
| } |
| |
| #if 0 |
| fprintf(stderr, "Entering debugger PC=%x, mode=%d, count=%d\n", |
| EIP_reg(&DEBUG_context), |
| dbg_exec_mode, dbg_exec_count); |
| |
| sleep(1); |
| #endif |
| |
| if ((signal != SIGTRAP) || !DEBUG_ShouldContinue( dbg_exec_mode, |
| &dbg_exec_count )) |
| { |
| DBG_ADDR addr; |
| |
| addr.seg = CS_reg(&DEBUG_context); |
| addr.off = EIP_reg(&DEBUG_context); |
| addr.type = NULL; |
| DBG_FIX_ADDR_SEG( &addr, 0 ); |
| |
| /* Put the display in a correct state */ |
| |
| XUngrabPointer( display, CurrentTime ); |
| XUngrabServer( display ); |
| XFlush( display ); |
| |
| newmode = IS_SELECTOR_32BIT(addr.seg) ? 32 : 16; |
| if (newmode != dbg_mode) |
| fprintf(stderr,"In %d bit mode.\n", dbg_mode = newmode); |
| |
| DEBUG_DoDisplay(); |
| |
| if (signal != SIGTRAP) /* This is a real crash, dump some info */ |
| { |
| DEBUG_InfoRegisters(); |
| DEBUG_InfoStack(); |
| if (dbg_mode == 16) |
| { |
| LDT_Print( SELECTOR_TO_ENTRY(DS_reg(&DEBUG_context)), 1 ); |
| if (ES_reg(&DEBUG_context) != DS_reg(&DEBUG_context)) |
| LDT_Print( SELECTOR_TO_ENTRY(ES_reg(&DEBUG_context)), 1 ); |
| } |
| DEBUG_BackTrace(); |
| } |
| else |
| { |
| /* |
| * Do a quiet backtrace so that we have an idea of what the situation |
| * is WRT the source files. |
| */ |
| DEBUG_SilentBackTrace(); |
| } |
| |
| if ((signal != SIGTRAP) || |
| (dbg_exec_mode == EXEC_STEPI_OVER) || |
| (dbg_exec_mode == EXEC_STEPI_INSTR)) |
| { |
| /* Show where we crashed */ |
| curr_frame = 0; |
| DEBUG_PrintAddress( &addr, dbg_mode, TRUE ); |
| fprintf(stderr,": "); |
| if (DBG_CHECK_READ_PTR( &addr, 1 )) |
| { |
| DEBUG_Disasm( &addr, TRUE ); |
| fprintf(stderr,"\n"); |
| } |
| } |
| |
| ret_ok = 0; |
| do |
| { |
| issue_prompt(); |
| yyparse(); |
| flush_symbols(); |
| addr.seg = CS_reg(&DEBUG_context); |
| addr.off = EIP_reg(&DEBUG_context); |
| DBG_FIX_ADDR_SEG( &addr, 0 ); |
| ret_ok = DEBUG_ValidateRegisters(); |
| if (ret_ok) ret_ok = DBG_CHECK_READ_PTR( &addr, 1 ); |
| } while (!ret_ok); |
| } |
| |
| dbg_exec_mode = DEBUG_RestartExecution( dbg_exec_mode, dbg_exec_count ); |
| /* |
| * This will have gotten absorbed into the breakpoint info |
| * if it was used. Otherwise it would have been ignored. |
| * In any case, we don't mess with it any more. |
| */ |
| if( dbg_exec_mode == EXEC_CONT ) |
| { |
| dbg_exec_count = 0; |
| } |
| |
| in_debugger = FALSE; |
| } |
| |
| |
| |
| /*********************************************************************** |
| * DebugBreak (KERNEL.203) (KERNEL32.181) |
| */ |
| void DebugBreak( CONTEXT *regs ) |
| { |
| char module[10]; |
| if (!GetModuleName( GetCurrentTask(), module, sizeof(module) )) |
| strcpy( module, "???" ); |
| fprintf( stderr, "%s called DebugBreak\n", module ); |
| DEBUG_context = *regs; |
| DEBUG_Main( SIGTRAP ); |
| } |
| |
| |
| void wine_debug( int signal, SIGCONTEXT *regs ) |
| { |
| DEBUG_SetSigContext( regs ); |
| #if 0 |
| DWORD *stack = (DWORD *)ESP_reg(&DEBUG_context); |
| *(--stack) = 0; |
| *(--stack) = 0; |
| *(--stack) = EH_NONCONTINUABLE; |
| *(--stack) = EXCEPTION_ACCESS_VIOLATION; |
| *(--stack) = EIP_reg(&DEBUG_context); |
| ESP_reg(&DEBUG_context) = (DWORD)stack; |
| EIP_reg(&DEBUG_context) = GetProcAddress32( GetModuleHandle("KERNEL32"), |
| "RaiseException" ); |
| #endif |
| DEBUG_Main( signal ); |
| DEBUG_GetSigContext( regs ); |
| } |
| |
| int yyerror(char * s) |
| { |
| fprintf(stderr,"%s\n", s); |
| return 0; |
| } |
| |
