unsigned Execute( bool tracing, bool do_flip )
{
unsigned conditions;
bool stack_cmds;
static unsigned executing = 0;
if( !CheckStackPos() )
return( COND_USER );
if( !AdvMachState( ACTION_EXECUTE ) )
return( COND_USER );
if( executing == 0 ) {
++executing;
HookNotify( true, HOOK_EXEC_START );
--executing;
}
/* get rid of useless pending input information */
for( ;; ) {
if( CurrToken != T_LINE_SEPARATOR )
break;
if( InpStack == NULL )
break;
if( InpStack->type & (INP_HOLD|INP_STOP_PURGE) )
break;
if( InpStack->rtn( InpStack->handle, INP_RTN_EOL ) )
continue;
PopInpStack();
}
_SwitchOff( SW_TRAP_CMDS_PUSHED );
conditions = ExecProg( tracing, do_flip, true );
SetCodeDot( GetRegIP() );
stack_cmds = true;
if( tracing && (conditions & COND_BREAK) )
stack_cmds = false;
if( ReportTrap( conditions, stack_cmds ) ) {
_SwitchOn( SW_TRAP_CMDS_PUSHED );
}
if( executing == 0 ) {
++executing;
HookNotify( true, HOOK_EXEC_END );
--executing;
}
if( conditions & COND_TERMINATE ) {
HookNotify( true, HOOK_PROG_END );
}
return( conditions );
}
bool AddLibInfo( bool already_stopping, bool *force_stop )
{
unsigned long module;
bool added;
bool deleted;
image_entry *image;
added = false;
deleted = false;
module = 0;
while( (module = RemoteGetLibName( module, TxtBuff, TXT_LEN )) != 0 ) {
if( TxtBuff[0] == NULLCHAR ) {
deleted = true;
for( image = DbgImageList; image != NULL; image = image->link ) {
if( image->system_handle == module ) {
DUIImageLoaded( image, false, already_stopping, force_stop );
UnLoadImgSymInfo( image, false );
break;
}
}
} else {
added = true;
image = CreateImage( TxtBuff, NULL );
if( image != NULL ) {
image->system_handle = module;
if( ReLoadImgSymInfo( image ) ) {
InitImageInfo( image );
}
DUIImageLoaded( image, true, already_stopping, force_stop );
}
}
}
CheckSegAlias();
if( deleted ) {
HookNotify( true, HOOK_DLL_END );
}
if( added ) {
HookNotify( true, HOOK_DLL_START );
}
return( added );
}
void DbgUpdate( update_list flags )
{
mod_handle prev_mod;
input_stack *inp;
UpdateFlags |= flags;
if( flags & ( UP_SYM_CHANGE ) ) {
BrkAddrRefresh();
}
if( flags & (UP_REG_CHANGE|UP_CSIP_CHANGE) ) {
InitLC( &Context, TRUE );
}
if( flags & UP_NEW_PROGRAM ) {
SetStackPos( &Context, 0 );
}
if( flags & (UP_SYM_CHANGE+UP_STACKPOS_CHANGE+UP_REG_CHANGE+UP_CSIP_CHANGE+UP_CSIP_JUMPED) ) {
SymCompFini();
prev_mod = ContextMod;
if( DeAliasAddrMod( Context.execution, &ContextMod ) == SR_NONE ) ContextMod = NO_MOD;
if( prev_mod != ContextMod ) {
HookNotify( FALSE, HOOK_NEW_MODULE );
}
}
if( flags & (UP_CODE_ADDR_CHANGE | UP_SYM_CHANGE ) ) {
prev_mod = CodeAddrMod;
if( DeAliasAddrMod( GetCodeDot(), &CodeAddrMod ) == SR_NONE ) {
CodeAddrMod = NO_MOD;
}
if( prev_mod != CodeAddrMod ) {
for( inp = InpStack; inp != NULL; inp = inp->link ) {
inp->type |= INP_NEW_LANG;
}
}
}
DUIUpdate( flags );
}