616 lines
21 KiB
Plaintext
616 lines
21 KiB
Plaintext
%{
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/*
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* Parser for command lines in the Wine debugger
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*
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* Copyright 1993 Eric Youngdale
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* Copyright 1995 Morten Welinder
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*/
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#include "ts_xlib.h"
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#include "x11drv.h"
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#include <stdio.h>
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#include <signal.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "winbase.h"
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#include "class.h"
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#include "module.h"
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#include "task.h"
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#include "options.h"
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#include "queue.h"
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#include "win.h"
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#include "winnt.h"
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#include "debugger.h"
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#include "neexe.h"
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#include "process.h"
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#include "main.h"
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#include "expr.h"
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extern FILE * yyin;
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unsigned int dbg_mode = 0;
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int curr_frame = 0;
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static enum exec_mode dbg_exec_mode = EXEC_CONT;
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static int dbg_exec_count = 0;
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void issue_prompt(void);
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void mode_command(int);
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void flush_symbols(void);
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int yylex(void);
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int yyerror(char *);
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extern void VIRTUAL_Dump(void); /* memory/virtual.c */
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%}
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%union
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{
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DBG_ADDR address;
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enum debug_regs reg;
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char * string;
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int integer;
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struct list_id listing;
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struct expr * expression;
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struct datatype * type;
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}
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%token tCONT tSTEP tLIST tNEXT tQUIT tHELP tBACKTRACE tINFO tWALK tUP tDOWN
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%token tENABLE tDISABLE tBREAK tDELETE tSET tMODE tPRINT tEXAM tABORT tDEBUGMSG
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%token tCLASS tMAPS tMODULE tSTACK tSEGMENTS tREGS tWND tQUEUE tLOCAL
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%token tEOL tSTRING tDEBUGSTR
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%token tFRAME tSHARE tCOND tDISPLAY tUNDISPLAY tDISASSEMBLE
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%token tSTEPI tNEXTI tFINISH tSHOW tDIR
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%token <string> tPATH
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%token <string> tIDENTIFIER tSTRING tDEBUGSTR
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%token <integer> tNUM tFORMAT
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%token <reg> tREG
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%token tSYMBOLFILE
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%token tCHAR tSHORT tINT tLONG tFLOAT tDOUBLE tUNSIGNED tSIGNED
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%token tSTRUCT tUNION tENUM
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/* %left ',' */
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/* %left '=' OP_OR_EQUAL OP_XOR_EQUAL OP_AND_EQUAL OP_SHL_EQUAL \
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OP_SHR_EQUAL OP_PLUS_EQUAL OP_MINUS_EQUAL \
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OP_TIMES_EQUAL OP_DIVIDE_EQUAL OP_MODULO_EQUAL */
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/* %left OP_COND */ /* ... ? ... : ... */
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%left OP_LOR
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%left OP_LAND
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%left '|'
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%left '^'
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%left '&'
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%left OP_EQ OP_NE
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%left '<' '>' OP_LE OP_GE
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%left OP_SHL OP_SHR
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%left '+' '-'
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%left '*' '/' '%'
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%left OP_SIGN '!' '~' OP_DEREF /* OP_INC OP_DEC OP_ADDR */
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%left '.' '[' OP_DRF
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%nonassoc ':'
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%type <expression> expr lval lvalue
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%type <type> type_cast type_expr
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%type <address> expr_addr lval_addr
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%type <integer> expr_value
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%type <string> pathname
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%type <listing> list_arg
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%%
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input: line { issue_prompt(); }
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| input line { issue_prompt(); }
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line: command
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| tEOL
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| error tEOL { yyerrok; }
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command:
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tQUIT tEOL { exit(0); }
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| tHELP tEOL { DEBUG_Help(); }
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| tHELP tINFO tEOL { DEBUG_HelpInfo(); }
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| tCONT tEOL { dbg_exec_count = 1;
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dbg_exec_mode = EXEC_CONT; return 0; }
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| tCONT tNUM tEOL { dbg_exec_count = $2;
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dbg_exec_mode = EXEC_CONT; return 0; }
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| tSTEP tEOL { dbg_exec_count = 1;
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dbg_exec_mode = EXEC_STEP_INSTR; return 0; }
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| tNEXT tEOL { dbg_exec_count = 1;
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dbg_exec_mode = EXEC_STEP_OVER; return 0; }
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| tSTEP tNUM tEOL { dbg_exec_count = $2;
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dbg_exec_mode = EXEC_STEP_INSTR; return 0; }
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| tNEXT tNUM tEOL { dbg_exec_count = $2;
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dbg_exec_mode = EXEC_STEP_OVER; return 0; }
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| tSTEPI tEOL { dbg_exec_count = 1;
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dbg_exec_mode = EXEC_STEPI_INSTR; return 0; }
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| tNEXTI tEOL { dbg_exec_count = 1;
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dbg_exec_mode = EXEC_STEPI_OVER; return 0; }
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| tSTEPI tNUM tEOL { dbg_exec_count = $2;
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dbg_exec_mode = EXEC_STEPI_INSTR; return 0; }
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| tNEXTI tNUM tEOL { dbg_exec_count = $2;
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dbg_exec_mode = EXEC_STEPI_OVER; return 0; }
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| tABORT tEOL { kill(getpid(), SIGABRT); }
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| tMODE tNUM tEOL { mode_command($2); }
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| tENABLE tNUM tEOL { DEBUG_EnableBreakpoint( $2, TRUE ); }
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| tDISABLE tNUM tEOL { DEBUG_EnableBreakpoint( $2, FALSE ); }
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| tDELETE tBREAK tNUM tEOL { DEBUG_DelBreakpoint( $3 ); }
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| tBACKTRACE tEOL { DEBUG_BackTrace(); }
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| tUP tEOL { DEBUG_SetFrame( curr_frame + 1 ); }
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| tUP tNUM tEOL { DEBUG_SetFrame( curr_frame + $2 ); }
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| tDOWN tEOL { DEBUG_SetFrame( curr_frame - 1 ); }
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| tDOWN tNUM tEOL { DEBUG_SetFrame( curr_frame - $2 ); }
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| tFRAME tNUM tEOL { DEBUG_SetFrame( $2 ); }
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| tFINISH tEOL { dbg_exec_count = 0;
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dbg_exec_mode = EXEC_FINISH; return 0; }
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| tSHOW tDIR tEOL { DEBUG_ShowDir(); }
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| tDIR pathname tEOL { DEBUG_AddPath( $2 ); }
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| tDIR tEOL { DEBUG_NukePath(); }
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| tDISPLAY tEOL { DEBUG_InfoDisplay(); }
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| tDISPLAY expr tEOL { DEBUG_AddDisplay($2, 1, 0); }
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| tDISPLAY tFORMAT expr tEOL { DEBUG_AddDisplay($3, $2 >> 8, $2 & 0xff); }
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| tDELETE tDISPLAY tNUM tEOL { DEBUG_DelDisplay( $3 ); }
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| tDELETE tDISPLAY tEOL { DEBUG_DelDisplay( -1 ); }
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| tUNDISPLAY tNUM tEOL { DEBUG_DelDisplay( $2 ); }
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| tUNDISPLAY tEOL { DEBUG_DelDisplay( -1 ); }
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| tCOND tNUM tEOL { DEBUG_AddBPCondition($2, NULL); }
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| tCOND tNUM expr tEOL { DEBUG_AddBPCondition($2, $3); }
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| tDEBUGMSG tDEBUGSTR tEOL { MAIN_ParseDebugOptions($2); }
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| tSYMBOLFILE pathname tEOL{ DEBUG_ReadSymbolTable($2); }
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| list_command
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| disassemble_command
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| set_command
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| x_command
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| print_command
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| break_command
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| info_command
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| walk_command
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set_command:
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tSET tREG '=' expr_value tEOL { DEBUG_SetRegister( $2, $4 );
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DEBUG_FreeExprMem(); }
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| tSET lval_addr '=' expr_value tEOL { DEBUG_WriteMemory( &$2, $4 );
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DEBUG_FreeExprMem(); }
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pathname:
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tIDENTIFIER { $$ = $1; }
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| tPATH { $$ = $1; }
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disassemble_command:
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tDISASSEMBLE tEOL { DEBUG_Disassemble( NULL, NULL, 10 ); }
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| tDISASSEMBLE expr_addr tEOL { DEBUG_Disassemble( & $2, NULL, 10 ); }
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| tDISASSEMBLE expr_addr ',' expr_addr tEOL { DEBUG_Disassemble( & $2, & $4, 0 ); }
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list_command:
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tLIST tEOL { DEBUG_List( NULL, NULL, 10 ); }
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| tLIST '-' tEOL { DEBUG_List( NULL, NULL, -10 ); }
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| tLIST list_arg tEOL { DEBUG_List( & $2, NULL, 10 ); }
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| tLIST ',' list_arg tEOL { DEBUG_List( NULL, & $3, -10 ); }
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| tLIST list_arg ',' list_arg tEOL { DEBUG_List( & $2, & $4, 0 ); }
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list_arg:
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tNUM { $$.sourcefile = NULL; $$.line = $1; }
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| pathname ':' tNUM { $$.sourcefile = $1; $$.line = $3; }
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| tIDENTIFIER { DEBUG_GetFuncInfo( & $$, NULL, $1); }
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| pathname ':' tIDENTIFIER { DEBUG_GetFuncInfo( & $$, $1, $3); }
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| '*' expr_addr { DEBUG_FindNearestSymbol( & $2, FALSE, NULL,
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0, & $$ );
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DEBUG_FreeExprMem(); }
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x_command:
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tEXAM expr_addr tEOL { DEBUG_ExamineMemory( &$2, 1, 'x');
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DEBUG_FreeExprMem(); }
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| tEXAM tFORMAT expr_addr tEOL { DEBUG_ExamineMemory( &$3, $2>>8, $2&0xff );
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DEBUG_FreeExprMem(); }
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print_command:
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tPRINT expr_addr tEOL { DEBUG_Print( &$2, 1, 0, 0 );
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DEBUG_FreeExprMem(); }
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| tPRINT tFORMAT expr_addr tEOL { DEBUG_Print( &$3, $2 >> 8, $2 & 0xff, 0 );
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DEBUG_FreeExprMem(); }
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break_command:
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tBREAK '*' expr_addr tEOL { DEBUG_AddBreakpoint( &$3 );
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DEBUG_FreeExprMem(); }
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| tBREAK tIDENTIFIER tEOL { DBG_ADDR addr;
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if( DEBUG_GetSymbolValue($2, -1, &addr, TRUE) )
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{
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DEBUG_AddBreakpoint( &addr );
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}
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else
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{
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fprintf(stderr,"Unable to add breakpoint\n");
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}
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}
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| tBREAK tIDENTIFIER ':' tNUM tEOL { DBG_ADDR addr;
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if( DEBUG_GetSymbolValue($2, $4, &addr, TRUE) )
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{
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DEBUG_AddBreakpoint( &addr );
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}
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else
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{
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fprintf(stderr,"Unable to add breakpoint\n");
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}
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}
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| tBREAK tNUM tEOL { struct name_hash *nh;
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DBG_ADDR addr = { NULL,
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CS_reg(&DEBUG_context),
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EIP_reg(&DEBUG_context) };
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TDB *pTask = (TDB*)GlobalLock16( GetCurrentTask() );
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if (ISV86(&DEBUG_context))
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addr.seg |= (DWORD)(pTask?(pTask->hModule):0)<<16;
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DBG_FIX_ADDR_SEG( &addr, CS_reg(&DEBUG_context) );
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GlobalUnlock16( GetCurrentTask() );
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DEBUG_FindNearestSymbol(&addr, TRUE,
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&nh, 0, NULL);
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if( nh != NULL )
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{
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DEBUG_GetLineNumberAddr(nh,
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$2, &addr, TRUE);
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DEBUG_AddBreakpoint( &addr );
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}
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else
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{
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fprintf(stderr,"Unable to add breakpoint\n");
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}
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}
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| tBREAK tEOL { DBG_ADDR addr = { NULL,
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CS_reg(&DEBUG_context),
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EIP_reg(&DEBUG_context) };
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TDB *pTask = (TDB*)GlobalLock16( GetCurrentTask() );
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if (ISV86(&DEBUG_context))
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addr.seg |= (DWORD)(pTask?(pTask->hModule):0)<<16;
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GlobalUnlock16( GetCurrentTask() );
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DEBUG_AddBreakpoint( &addr );
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}
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info_command:
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tINFO tBREAK tEOL { DEBUG_InfoBreakpoints(); }
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| tINFO tCLASS expr_value tEOL { CLASS_DumpClass( (CLASS *)$3 );
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DEBUG_FreeExprMem(); }
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| tINFO tSHARE tEOL { DEBUG_InfoShare(); }
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| tINFO tMODULE expr_value tEOL { NE_DumpModule( $3 );
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DEBUG_FreeExprMem(); }
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| tINFO tQUEUE expr_value tEOL { QUEUE_DumpQueue( $3 );
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DEBUG_FreeExprMem(); }
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| tINFO tREGS tEOL { DEBUG_InfoRegisters(); }
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| tINFO tSEGMENTS expr_value tEOL { LDT_Print( SELECTOR_TO_ENTRY($3), 1 );
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DEBUG_FreeExprMem(); }
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| tINFO tSEGMENTS tEOL { LDT_Print( 0, -1 ); }
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| tINFO tSTACK tEOL { DEBUG_InfoStack(); }
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| tINFO tMAPS tEOL { VIRTUAL_Dump(); }
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| tINFO tWND expr_value tEOL { WIN_DumpWindow( $3 );
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DEBUG_FreeExprMem(); }
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| tINFO tLOCAL tEOL { DEBUG_InfoLocals(); }
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| tINFO tDISPLAY tEOL { DEBUG_InfoDisplay(); }
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walk_command:
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tWALK tCLASS tEOL { CLASS_WalkClasses(); }
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| tWALK tMODULE tEOL { NE_WalkModules(); }
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| tWALK tQUEUE tEOL { QUEUE_WalkQueues(); }
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| tWALK tWND tEOL { WIN_WalkWindows( 0, 0 ); }
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| tWALK tWND tNUM tEOL { WIN_WalkWindows( $3, 0 ); }
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type_cast:
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'(' type_expr ')' { $$ = $2; }
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type_expr:
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type_expr '*' { $$ = DEBUG_FindOrMakePointerType($1); }
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| tINT { $$ = DEBUG_TypeCast(DT_BASIC, "int"); }
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| tCHAR { $$ = DEBUG_TypeCast(DT_BASIC, "char"); }
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| tLONG tINT { $$ = DEBUG_TypeCast(DT_BASIC, "long int"); }
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| tUNSIGNED tINT { $$ = DEBUG_TypeCast(DT_BASIC, "unsigned int"); }
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| tLONG tUNSIGNED tINT { $$ = DEBUG_TypeCast(DT_BASIC, "long unsigned int"); }
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| tLONG tLONG tINT { $$ = DEBUG_TypeCast(DT_BASIC, "long long int"); }
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| tLONG tLONG tUNSIGNED tINT { $$ = DEBUG_TypeCast(DT_BASIC, "long long unsigned int"); }
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| tSHORT tINT { $$ = DEBUG_TypeCast(DT_BASIC, "short int"); }
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| tSHORT tUNSIGNED tINT { $$ = DEBUG_TypeCast(DT_BASIC, "short unsigned int"); }
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| tSIGNED tCHAR { $$ = DEBUG_TypeCast(DT_BASIC, "signed char"); }
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| tUNSIGNED tCHAR { $$ = DEBUG_TypeCast(DT_BASIC, "unsigned char"); }
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| tFLOAT { $$ = DEBUG_TypeCast(DT_BASIC, "float"); }
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| tDOUBLE { $$ = DEBUG_TypeCast(DT_BASIC, "double"); }
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| tLONG tDOUBLE { $$ = DEBUG_TypeCast(DT_BASIC, "long double"); }
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| tSTRUCT tIDENTIFIER { $$ = DEBUG_TypeCast(DT_STRUCT, $2); }
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| tUNION tIDENTIFIER { $$ = DEBUG_TypeCast(DT_STRUCT, $2); }
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| tENUM tIDENTIFIER { $$ = DEBUG_TypeCast(DT_ENUM, $2); }
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expr_addr:
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expr { $$ = DEBUG_EvalExpr($1); }
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expr_value:
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expr { DBG_ADDR addr = DEBUG_EvalExpr($1);
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$$ = addr.off ? *(unsigned int *) addr.off : 0; }
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/*
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* The expr rule builds an expression tree. When we are done, we call
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* EvalExpr to evaluate the value of the expression. The advantage of
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* the two-step approach is that it is possible to save expressions for
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* use in 'display' commands, and in conditional watchpoints.
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*/
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expr:
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tNUM { $$ = DEBUG_ConstExpr($1); }
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| tSTRING { $$ = DEBUG_StringExpr($1); }
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| tREG { $$ = DEBUG_RegisterExpr($1); }
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| tIDENTIFIER { $$ = DEBUG_SymbolExpr($1); }
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| expr OP_DRF tIDENTIFIER { $$ = DEBUG_StructPExpr($1, $3); }
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| expr '.' tIDENTIFIER { $$ = DEBUG_StructExpr($1, $3); }
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| tIDENTIFIER '(' ')' { $$ = DEBUG_CallExpr($1, 0); }
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| tIDENTIFIER '(' expr ')' { $$ = DEBUG_CallExpr($1, 1, $3); }
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| tIDENTIFIER '(' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 2, $3,
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$5); }
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| tIDENTIFIER '(' expr ',' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 3, $3, $5, $7); }
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| tIDENTIFIER '(' expr ',' expr ',' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 3, $3, $5, $7, $9); }
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| tIDENTIFIER '(' expr ',' expr ',' expr ',' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 3, $3, $5, $7, $9, $11); }
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| expr '[' expr ']' { $$ = DEBUG_BinopExpr(EXP_OP_ARR, $1, $3); }
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| expr ':' expr { $$ = DEBUG_BinopExpr(EXP_OP_SEG, $1, $3); }
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| expr OP_LOR expr { $$ = DEBUG_BinopExpr(EXP_OP_LOR, $1, $3); }
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| expr OP_LAND expr { $$ = DEBUG_BinopExpr(EXP_OP_LAND, $1, $3); }
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| expr '|' expr { $$ = DEBUG_BinopExpr(EXP_OP_OR, $1, $3); }
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| expr '&' expr { $$ = DEBUG_BinopExpr(EXP_OP_AND, $1, $3); }
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| expr '^' expr { $$ = DEBUG_BinopExpr(EXP_OP_XOR, $1, $3); }
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| expr OP_EQ expr { $$ = DEBUG_BinopExpr(EXP_OP_EQ, $1, $3); }
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| expr '>' expr { $$ = DEBUG_BinopExpr(EXP_OP_GT, $1, $3); }
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| expr '<' expr { $$ = DEBUG_BinopExpr(EXP_OP_LT, $1, $3); }
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| expr OP_GE expr { $$ = DEBUG_BinopExpr(EXP_OP_GE, $1, $3); }
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| expr OP_LE expr { $$ = DEBUG_BinopExpr(EXP_OP_LE, $1, $3); }
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| expr OP_NE expr { $$ = DEBUG_BinopExpr(EXP_OP_NE, $1, $3); }
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| expr OP_SHL expr { $$ = DEBUG_BinopExpr(EXP_OP_SHL, $1, $3); }
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| expr OP_SHR expr { $$ = DEBUG_BinopExpr(EXP_OP_SHR, $1, $3); }
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| expr '+' expr { $$ = DEBUG_BinopExpr(EXP_OP_ADD, $1, $3); }
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| expr '-' expr { $$ = DEBUG_BinopExpr(EXP_OP_SUB, $1, $3); }
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| expr '*' expr { $$ = DEBUG_BinopExpr(EXP_OP_MUL, $1, $3); }
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| expr '/' expr { $$ = DEBUG_BinopExpr(EXP_OP_DIV, $1, $3); }
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| expr '%' expr { $$ = DEBUG_BinopExpr(EXP_OP_REM, $1, $3); }
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| '-' expr %prec OP_SIGN { $$ = DEBUG_UnopExpr(EXP_OP_NEG, $2); }
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| '+' expr %prec OP_SIGN { $$ = $2; }
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| '!' expr { $$ = DEBUG_UnopExpr(EXP_OP_NOT, $2); }
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| '~' expr { $$ = DEBUG_UnopExpr(EXP_OP_LNOT, $2); }
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| '(' expr ')' { $$ = $2; }
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| '*' expr %prec OP_DEREF { $$ = DEBUG_UnopExpr(EXP_OP_DEREF, $2); }
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| '&' expr %prec OP_DEREF { $$ = DEBUG_UnopExpr(EXP_OP_ADDR, $2); }
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| type_cast expr %prec OP_DEREF { $$ = DEBUG_TypeCastExpr($1, $2); }
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/*
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* The lvalue rule builds an expression tree. This is a limited form
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* of expression that is suitable to be used as an lvalue.
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*/
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lval_addr:
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lval { $$ = DEBUG_EvalExpr($1); }
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lval:
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lvalue { $$ = $1; }
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| '*' expr { $$ = DEBUG_UnopExpr(EXP_OP_FORCE_DEREF, $2); }
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lvalue:
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tNUM { $$ = DEBUG_ConstExpr($1); }
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| tREG { $$ = DEBUG_RegisterExpr($1); }
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| tIDENTIFIER { $$ = DEBUG_SymbolExpr($1); }
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| lvalue OP_DRF tIDENTIFIER { $$ = DEBUG_StructPExpr($1, $3); }
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| lvalue '.' tIDENTIFIER { $$ = DEBUG_StructExpr($1, $3); }
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| lvalue '[' expr ']' { $$ = DEBUG_BinopExpr(EXP_OP_ARR, $1, $3); }
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%%
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void
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issue_prompt(){
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#ifdef DONT_USE_READLINE
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fprintf(stderr,"Wine-dbg>");
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#endif
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}
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void mode_command(int newmode)
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{
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if ((newmode == 16) || (newmode == 32)) dbg_mode = newmode;
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else fprintf(stderr,"Invalid mode (use 16 or 32)\n");
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}
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/***********************************************************************
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* DEBUG_Main
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*
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* Debugger main loop.
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*/
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static void DEBUG_Main( int signal )
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{
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static int loaded_symbols = 0;
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static BOOL32 in_debugger = FALSE;
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char SymbolTableFile[256];
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int newmode;
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BOOL32 ret_ok;
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#ifdef YYDEBUG
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yydebug = 0;
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#endif
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if (in_debugger)
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{
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fprintf( stderr, "Segmentation fault inside debugger, exiting.\n" );
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exit(1);
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}
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in_debugger = TRUE;
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yyin = stdin;
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DEBUG_SetBreakpoints( FALSE );
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if (!loaded_symbols)
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{
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loaded_symbols++;
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/*
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* Initialize the type handling stuff.
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*/
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DEBUG_InitTypes();
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/*
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* In some cases we can read the stabs information directly
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* from the executable. If this is the case, we don't need
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* to bother with trying to read a symbol file, as the stabs
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* also have line number and local variable information.
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* As long as gcc is used for the compiler, stabs will
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* be the default. On SVr4, DWARF could be used, but we
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* don't grok that yet, and in this case we fall back to using
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* the wine.sym file.
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*/
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if( DEBUG_ReadExecutableDbgInfo() == FALSE )
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{
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char *symfilename = "wine.sym";
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struct stat statbuf;
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if (-1 == stat(symfilename, &statbuf) )
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symfilename = LIBDIR "wine.sym";
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PROFILE_GetWineIniString( "wine", "SymbolTableFile", symfilename,
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SymbolTableFile, sizeof(SymbolTableFile));
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DEBUG_ReadSymbolTable( SymbolTableFile );
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}
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DEBUG_LoadEntryPoints();
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DEBUG_ProcessDeferredDebug();
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}
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#if 0
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fprintf(stderr, "Entering debugger PC=%x, mode=%d, count=%d\n",
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EIP_reg(&DEBUG_context),
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dbg_exec_mode, dbg_exec_count);
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sleep(1);
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#endif
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if ((signal != SIGTRAP) || !DEBUG_ShouldContinue( dbg_exec_mode,
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&dbg_exec_count ))
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{
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DBG_ADDR addr;
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TDB *pTask = (TDB*)GlobalLock16( GetCurrentTask() );
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addr.seg = CS_reg(&DEBUG_context);
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addr.off = EIP_reg(&DEBUG_context);
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if (ISV86(&DEBUG_context)) addr.seg |= (DWORD)(pTask?(pTask->hModule):0)<<16;
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addr.type = NULL;
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DBG_FIX_ADDR_SEG( &addr, 0 );
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GlobalUnlock16( GetCurrentTask() );
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/* Put the display in a correct state */
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TSXUngrabServer( display );
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TSXFlush( display );
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newmode = ISV86(&DEBUG_context) ? 16 : IS_SELECTOR_32BIT(addr.seg) ? 32 : 16;
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if (newmode != dbg_mode)
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fprintf(stderr,"In %d bit mode.\n", dbg_mode = newmode);
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PROCESS_SuspendOtherThreads();
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DEBUG_DoDisplay();
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if (signal != SIGTRAP) /* This is a real crash, dump some info */
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{
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DEBUG_InfoRegisters();
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DEBUG_InfoStack();
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if (dbg_mode == 16)
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{
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LDT_Print( SELECTOR_TO_ENTRY(DS_reg(&DEBUG_context)), 1 );
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if (ES_reg(&DEBUG_context) != DS_reg(&DEBUG_context))
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LDT_Print( SELECTOR_TO_ENTRY(ES_reg(&DEBUG_context)), 1 );
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}
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DEBUG_BackTrace();
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}
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else
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{
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/*
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* Do a quiet backtrace so that we have an idea of what the situation
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* is WRT the source files.
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*/
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DEBUG_SilentBackTrace();
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}
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if ((signal != SIGTRAP) ||
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(dbg_exec_mode == EXEC_STEPI_OVER) ||
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(dbg_exec_mode == EXEC_STEPI_INSTR))
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{
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/* Show where we crashed */
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curr_frame = 0;
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DEBUG_PrintAddress( &addr, dbg_mode, TRUE );
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fprintf(stderr,": ");
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if (DBG_CHECK_READ_PTR( &addr, 1 ))
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{
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DEBUG_Disasm( &addr, TRUE );
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fprintf(stderr,"\n");
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}
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}
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ret_ok = 0;
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do
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{
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issue_prompt();
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yyparse();
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flush_symbols();
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addr.seg = CS_reg(&DEBUG_context) | (addr.seg&0xffff0000);
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addr.off = EIP_reg(&DEBUG_context);
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DBG_FIX_ADDR_SEG( &addr, 0 );
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ret_ok = DEBUG_ValidateRegisters();
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if (ret_ok) ret_ok = DBG_CHECK_READ_PTR( &addr, 1 );
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} while (!ret_ok);
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}
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dbg_exec_mode = DEBUG_RestartExecution( dbg_exec_mode, dbg_exec_count );
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/*
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* This will have gotten absorbed into the breakpoint info
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* if it was used. Otherwise it would have been ignored.
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* In any case, we don't mess with it any more.
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*/
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if( dbg_exec_mode == EXEC_CONT )
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{
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dbg_exec_count = 0;
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PROCESS_ResumeOtherThreads();
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}
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in_debugger = FALSE;
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}
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/***********************************************************************
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* DebugBreak (KERNEL.203) (KERNEL32.181)
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*/
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void DebugBreak( CONTEXT *regs )
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{
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char module[10];
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if (!GetModuleName( GetCurrentTask(), module, sizeof(module) ))
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strcpy( module, "???" );
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fprintf( stderr, "%s called DebugBreak\n", module );
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DEBUG_context = *regs;
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DEBUG_Main( SIGTRAP );
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}
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void ctx_debug( int signal, CONTEXT *regs )
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{
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DEBUG_context = *regs;
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DEBUG_Main( signal );
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*regs = DEBUG_context;
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}
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void wine_debug( int signal, SIGCONTEXT *regs )
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{
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#if 0
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DWORD *stack = (DWORD *)ESP_sig(regs);
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*(--stack) = 0;
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*(--stack) = 0;
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*(--stack) = EH_NONCONTINUABLE;
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*(--stack) = EXCEPTION_ACCESS_VIOLATION;
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*(--stack) = EIP_sig(regs);
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ESP_sig(regs) = (DWORD)stack;
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EIP_sig(regs) = (DWORD)RaiseException;
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#else
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DEBUG_SetSigContext( regs );
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DEBUG_Main( signal );
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DEBUG_GetSigContext( regs );
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#endif
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}
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int yyerror(char * s)
|
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{
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fprintf(stderr,"%s\n", s);
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return 0;
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}
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