Sweden-Number/debugger/dbg.y

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%{
/*
* Parser for command lines in the Wine debugger
*
* Copyright 1993 Eric Youngdale
* Copyright 1995 Morten Welinder
* Copyright 2000 Eric Pouech
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include "wine/exception.h"
#include "debugger.h"
#include "expr.h"
#include "task.h"
extern FILE * yyin;
int curr_frame = 0;
static void issue_prompt(void);
static void mode_command(int);
int yylex(void);
int yyerror(char *);
%}
%union
{
DBG_VALUE value;
char * string;
int integer;
struct list_id listing;
struct expr * expression;
struct datatype * type;
}
%token tCONT tPASS tSTEP tLIST tNEXT tQUIT tHELP tBACKTRACE tINFO tWALK tUP tDOWN
%token tENABLE tDISABLE tBREAK tWATCH tDELETE tSET tMODE tPRINT tEXAM tABORT
%token tCLASS tMAPS tMODULE tSTACK tSEGMENTS tREGS tWND tQUEUE tLOCAL
%token tPROCESS tTHREAD tMODREF
%token tEOL tSTRING tDEBUGSTR
%token tFRAME tSHARE tCOND tDISPLAY tUNDISPLAY tDISASSEMBLE
%token tSTEPI tNEXTI tFINISH tSHOW tDIR tWHATIS
%token <string> tPATH
%token <string> tIDENTIFIER tSTRING tDEBUGSTR tINTVAR
%token <integer> tNUM tFORMAT
%token tSYMBOLFILE
%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 <value> 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 { DEBUG_CurrThread->dbg_exec_count = 1;
DEBUG_CurrThread->dbg_exec_mode = EXEC_KILL; return 1; }
| tHELP tEOL { DEBUG_Help(); }
| tHELP tINFO tEOL { DEBUG_HelpInfo(); }
| tCONT tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
DEBUG_CurrThread->dbg_exec_mode = EXEC_CONT; return 0; }
| tPASS tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
DEBUG_CurrThread->dbg_exec_mode = EXEC_PASS; return 0; }
| tCONT tNUM tEOL { DEBUG_CurrThread->dbg_exec_count = $2;
DEBUG_CurrThread->dbg_exec_mode = EXEC_CONT; return 0; }
| tSTEP tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_INSTR; return 0; }
| tNEXT tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_OVER; return 0; }
| tSTEP tNUM tEOL { DEBUG_CurrThread->dbg_exec_count = $2;
DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_INSTR; return 0; }
| tNEXT tNUM tEOL { DEBUG_CurrThread->dbg_exec_count = $2;
DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_OVER; return 0; }
| tSTEPI tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
DEBUG_CurrThread->dbg_exec_mode = EXEC_STEPI_INSTR; return 0; }
| tNEXTI tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
DEBUG_CurrThread->dbg_exec_mode = EXEC_STEPI_OVER; return 0; }
| tSTEPI tNUM tEOL { DEBUG_CurrThread->dbg_exec_count = $2;
DEBUG_CurrThread->dbg_exec_mode = EXEC_STEPI_INSTR; return 0; }
| tNEXTI tNUM tEOL { DEBUG_CurrThread->dbg_exec_count = $2;
DEBUG_CurrThread->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(TRUE); }
| 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 { DEBUG_CurrThread->dbg_exec_count = 0;
DEBUG_CurrThread->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); }
| tSYMBOLFILE pathname tEOL{ DEBUG_ReadSymbolTable($2); }
| tWHATIS expr_addr tEOL { DEBUG_PrintType(&$2); DEBUG_FreeExprMem(); }
| list_command
| disassemble_command
| set_command
| x_command
| print_command
| break_command
| watch_command
| info_command
| walk_command
set_command:
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.addr, 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, NULL );
DEBUG_FreeExprMem(); }
| tBREAK tIDENTIFIER tEOL { DBG_VALUE value;
if( DEBUG_GetSymbolValue($2, -1, &value, TRUE) )
{
DEBUG_AddBreakpoint( &value, NULL );
}
else
{
DEBUG_Printf(DBG_CHN_MESG,"Unable to add breakpoint\n");
}
}
| tBREAK tIDENTIFIER ':' tNUM tEOL { DBG_VALUE value;
if( DEBUG_GetSymbolValue($2, $4, &value, TRUE) )
{
DEBUG_AddBreakpoint( &value, NULL );
}
else
{
DEBUG_Printf(DBG_CHN_MESG,"Unable to add breakpoint\n");
}
}
| tBREAK tNUM tEOL { struct name_hash *nh;
DBG_VALUE value;
DEBUG_GetCurrentAddress( &value.addr );
DEBUG_FindNearestSymbol(&value.addr, TRUE,
&nh, 0, NULL);
if( nh != NULL )
{
DEBUG_GetLineNumberAddr(nh, $2, &value.addr, TRUE);
value.type = NULL;
value.cookie = DV_TARGET;
DEBUG_AddBreakpoint( &value, NULL );
}
else
{
DEBUG_Printf(DBG_CHN_MESG,"Unable to add breakpoint\n");
}
}
| tBREAK tEOL { DBG_VALUE value;
DEBUG_GetCurrentAddress( &value.addr );
value.type = NULL;
value.cookie = DV_TARGET;
DEBUG_AddBreakpoint( &value, NULL );
}
watch_command:
tWATCH '*' expr_addr tEOL { DEBUG_AddWatchpoint( &$3, 1 );
DEBUG_FreeExprMem(); }
| tWATCH tIDENTIFIER tEOL { DBG_VALUE value;
if( DEBUG_GetSymbolValue($2, -1, &value, TRUE) )
DEBUG_AddWatchpoint( &value, 1 );
else
DEBUG_Printf(DBG_CHN_MESG,"Unable to add breakpoint\n");
}
info_command:
tINFO tBREAK tEOL { DEBUG_InfoBreakpoints(); }
| tINFO tCLASS tSTRING tEOL { DEBUG_InfoClass( $3 ); DEBUG_FreeExprMem(); }
| tINFO tSHARE tEOL { DEBUG_InfoShare(); }
| tINFO tMODULE expr_value tEOL { DEBUG_DumpModule( $3 ); DEBUG_FreeExprMem(); }
| tINFO tQUEUE expr_value tEOL { DEBUG_DumpQueue( $3 ); DEBUG_FreeExprMem(); }
| tINFO tREGS tEOL { DEBUG_InfoRegisters(); }
| tINFO tSEGMENTS expr_value tEOL { DEBUG_InfoSegments( $3, 1 ); DEBUG_FreeExprMem(); }
| tINFO tSEGMENTS tEOL { DEBUG_InfoSegments( 0, -1 ); }
| tINFO tSTACK tEOL { DEBUG_InfoStack(); }
| tINFO tMAPS tEOL { DEBUG_InfoVirtual(); }
| tINFO tWND expr_value tEOL { DEBUG_InfoWindow( (HWND)$3 );
DEBUG_FreeExprMem(); }
| tINFO tLOCAL tEOL { DEBUG_InfoLocals(); }
| tINFO tDISPLAY tEOL { DEBUG_InfoDisplay(); }
walk_command:
tWALK tCLASS tEOL { DEBUG_WalkClasses(); }
| tWALK tMODULE tEOL { DEBUG_WalkModules(); }
| tWALK tQUEUE tEOL { DEBUG_WalkQueues(); }
| tWALK tWND tEOL { DEBUG_WalkWindows( 0, 0 ); }
| tWALK tWND tNUM tEOL { DEBUG_WalkWindows( $3, 0 ); }
| tWALK tPROCESS tEOL { DEBUG_WalkProcess(); }
| tWALK tTHREAD tEOL { DEBUG_WalkThreads(); }
| tWALK tMODREF expr_value tEOL { DEBUG_WalkModref( $3 ); }
type_cast:
'(' type_expr ')' { $$ = $2; }
type_expr:
type_expr '*' { $$ = DEBUG_FindOrMakePointerType($1); }
| tINT { $$ = DEBUG_TypeCast(DT_BASIC, "int"); }
| tCHAR { $$ = DEBUG_TypeCast(DT_BASIC, "char"); }
| tLONG tINT { $$ = DEBUG_TypeCast(DT_BASIC, "long int"); }
| tUNSIGNED tINT { $$ = DEBUG_TypeCast(DT_BASIC, "unsigned int"); }
| tLONG tUNSIGNED tINT { $$ = DEBUG_TypeCast(DT_BASIC, "long unsigned int"); }
| tLONG tLONG tINT { $$ = DEBUG_TypeCast(DT_BASIC, "long long int"); }
| tLONG tLONG tUNSIGNED tINT { $$ = DEBUG_TypeCast(DT_BASIC, "long long unsigned int"); }
| tSHORT tINT { $$ = DEBUG_TypeCast(DT_BASIC, "short int"); }
| tSHORT tUNSIGNED tINT { $$ = DEBUG_TypeCast(DT_BASIC, "short unsigned int"); }
| tSIGNED tCHAR { $$ = DEBUG_TypeCast(DT_BASIC, "signed char"); }
| tUNSIGNED tCHAR { $$ = DEBUG_TypeCast(DT_BASIC, "unsigned char"); }
| tFLOAT { $$ = DEBUG_TypeCast(DT_BASIC, "float"); }
| tDOUBLE { $$ = DEBUG_TypeCast(DT_BASIC, "double"); }
| tLONG tDOUBLE { $$ = DEBUG_TypeCast(DT_BASIC, "long double"); }
| tSTRUCT tIDENTIFIER { $$ = DEBUG_TypeCast(DT_STRUCT, $2); }
| tUNION tIDENTIFIER { $$ = DEBUG_TypeCast(DT_STRUCT, $2); }
| tENUM tIDENTIFIER { $$ = DEBUG_TypeCast(DT_ENUM, $2); }
expr_addr:
expr { $$ = DEBUG_EvalExpr($1); }
expr_value:
expr { DBG_VALUE value = DEBUG_EvalExpr($1);
/* expr_value is typed as an integer */
$$ = DEBUG_ReadMemory(&value); }
/*
* 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); }
| tINTVAR { $$ = DEBUG_IntVarExpr($1); }
| tIDENTIFIER { $$ = 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 ')' { $$ = DEBUG_CallExpr($1, 4, $3, $5, $7, $9); }
| tIDENTIFIER '(' expr ',' expr ',' expr ',' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 5, $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); }
| tINTVAR { $$ = DEBUG_IntVarExpr($1); }
| tIDENTIFIER { $$ = 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); }
%%
static void issue_prompt(void)
{
#ifdef DONT_USE_READLINE
DEBUG_Printf(DBG_CHN_MESG, "Wine-dbg>");
#endif
}
static void mode_command(int newmode)
{
if ((newmode == 16) || (newmode == 32)) DEBUG_CurrThread->dbg_mode = newmode;
else DEBUG_Printf(DBG_CHN_MESG,"Invalid mode (use 16 or 32)\n");
}
void DEBUG_Exit(DWORD ec)
{
ExitProcess(ec);
}
static WINE_EXCEPTION_FILTER(wine_dbg_cmd)
{
DEBUG_Printf(DBG_CHN_MESG, "\nwine_dbg_cmd: ");
switch (GetExceptionCode()) {
case DEBUG_STATUS_INTERNAL_ERROR:
DEBUG_Printf(DBG_CHN_MESG, "WineDbg internal error\n");
break;
case DEBUG_STATUS_NO_SYMBOL:
DEBUG_Printf(DBG_CHN_MESG, "Undefined symbol\n");
break;
case DEBUG_STATUS_DIV_BY_ZERO:
DEBUG_Printf(DBG_CHN_MESG, "Division by zero\n");
break;
case DEBUG_STATUS_BAD_TYPE:
DEBUG_Printf(DBG_CHN_MESG, "No type or type mismatch\n");
break;
default:
DEBUG_Printf(DBG_CHN_MESG, "Exception %lx\n", GetExceptionCode());
break;
}
return EXCEPTION_EXECUTE_HANDLER;
}
/***********************************************************************
* DEBUG_Main
*
* Debugger main loop.
*/
BOOL DEBUG_Main( BOOL is_debug, BOOL force, DWORD code )
{
int newmode;
BOOL ret_ok;
char ch;
#ifdef YYDEBUG
yydebug = 0;
#endif
yyin = stdin;
DEBUG_SuspendExecution();
if (!is_debug)
{
#ifdef __i386__
if (DEBUG_IsSelectorSystem(DEBUG_context.SegCs))
DEBUG_Printf( DBG_CHN_MESG, " in 32-bit code (0x%08lx).\n", DEBUG_context.Eip );
else
DEBUG_Printf( DBG_CHN_MESG, " in 16-bit code (%04x:%04lx).\n",
(WORD)DEBUG_context.SegCs, DEBUG_context.Eip );
#else
DEBUG_Printf( DBG_CHN_MESG, " (0x%08lx).\n", GET_IP(&DEBUG_context) );
#endif
}
DEBUG_LoadEntryPoints("Loading new modules symbols:\n");
if (force || !(is_debug && DEBUG_ShouldContinue( code,
DEBUG_CurrThread->dbg_exec_mode,
&DEBUG_CurrThread->dbg_exec_count )))
{
DBG_ADDR addr;
DEBUG_GetCurrentAddress( &addr );
#ifdef __i386__
switch (newmode = DEBUG_GetSelectorType(addr.seg)) {
case 16: case 32: break;
default: DEBUG_Printf(DBG_CHN_MESG, "Bad CS (%ld)\n", addr.seg); newmode = 32;
}
#else
newmode = 32;
#endif
if (newmode != DEBUG_CurrThread->dbg_mode)
DEBUG_Printf(DBG_CHN_MESG,"In %d bit mode.\n", DEBUG_CurrThread->dbg_mode = newmode);
DEBUG_DoDisplay();
if (is_debug || force)
{
/*
* Do a quiet backtrace so that we have an idea of what the situation
* is WRT the source files.
*/
DEBUG_BackTrace(FALSE);
}
else
{
/* This is a real crash, dump some info */
DEBUG_InfoRegisters();
DEBUG_InfoStack();
#ifdef __i386__
if (DEBUG_CurrThread->dbg_mode == 16)
{
DEBUG_InfoSegments( DEBUG_context.SegDs >> 3, 1 );
if (DEBUG_context.SegEs != DEBUG_context.SegDs)
DEBUG_InfoSegments( DEBUG_context.SegEs >> 3, 1 );
}
DEBUG_InfoSegments( DEBUG_context.SegFs >> 3, 1 );
#endif
DEBUG_BackTrace(TRUE);
}
if (!is_debug ||
(DEBUG_CurrThread->dbg_exec_mode == EXEC_STEPI_OVER) ||
(DEBUG_CurrThread->dbg_exec_mode == EXEC_STEPI_INSTR))
{
/* Show where we crashed */
curr_frame = 0;
DEBUG_PrintAddress( &addr, DEBUG_CurrThread->dbg_mode, TRUE );
DEBUG_Printf(DBG_CHN_MESG,": ");
DEBUG_Disasm( &addr, TRUE );
DEBUG_Printf( DBG_CHN_MESG, "\n" );
}
ret_ok = 0;
do
{
__TRY
{
issue_prompt();
if (yyparse()) {
DEBUG_CurrThread->dbg_exec_mode = EXEC_KILL;
ret_ok = TRUE;
} else {
flush_symbols();
DEBUG_GetCurrentAddress( &addr );
ret_ok = DEBUG_ValidateRegisters() &&
DEBUG_READ_MEM_VERBOSE((void*)DEBUG_ToLinear(&addr), &ch, 1);
}
}
__EXCEPT(wine_dbg_cmd)
{
ret_ok = FALSE;
}
__ENDTRY;
} while (!ret_ok);
}
DEBUG_CurrThread->dbg_exec_mode = DEBUG_RestartExecution( DEBUG_CurrThread->dbg_exec_mode, DEBUG_CurrThread->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 (DEBUG_CurrThread->dbg_exec_mode == EXEC_CONT || DEBUG_CurrThread->dbg_exec_mode == EXEC_PASS)
DEBUG_CurrThread->dbg_exec_count = 0;
return (DEBUG_CurrThread->dbg_exec_mode == EXEC_PASS) ? DBG_EXCEPTION_NOT_HANDLED : DBG_CONTINUE;
}
int yyerror(char* s)
{
DEBUG_Printf(DBG_CHN_MESG,"%s\n", s);
return 0;
}