static brkp *PointBreak( memory_expr def_seg, address *addr )
{
unsigned index;
brkp *bp;
unsigned old;
if( addr != NULL ) {
*addr = NilAddr;
}
if( CurrToken == T_SHARP ) {
Scan();
old = NewCurrRadix( 10 );
index = ReqExpr(); // always decimal
NewCurrRadix( old );
for( bp = BrkList; bp != NULL; bp = bp->next ) {
if( bp->index == index ) {
break;
}
}
} else {
ReqMemAddr( def_seg, addr );
for( bp = BrkList; bp != NULL; bp = bp->next ) {
if( AddrComp( bp->loc.addr, *addr ) == 0 ) {
break;
}
}
}
ReqEOC();
if( bp != NULL && addr != NULL ) {
*addr = bp->loc.addr;
}
return( bp );
}
void ProcSkip( void )
{
address start;
ReqMemAddr( EXPR_GIVEN, &start );
ReqEOC();
SkipToAddr( start );
}
void StepIntoFunction( char *func )
{
char *old;
address stop;
old = ReScan( func );
ReqMemAddr( EXPR_CODE, &stop );
ReScan( old );
GoToAddr( stop );
}
void ProcGo( void )
{
address start;
address stop;
bool have_start;
bool have_stop;
bool have_keep;
bool doflip;
bool flip_on;
bool until;
unsigned conditions;
int count;
have_keep = FALSE;
doflip = TRUE;
until = FALSE;
while( CurrToken == T_DIV ) {
Scan();
switch( ScanCmd( GoOptionTab ) ) {
case KEEP:
have_keep = TRUE;
break;
case NOFLIP:
doflip = FALSE;
break;
case UNTIL:
until = TRUE;
break;
default:
Error( ERR_LOC, LIT( ERR_BAD_OPTION ), GetCmdName( CMD_GO ) );
}
}
if( !have_keep ) TraceKill();
NullStatus( &DbgTmpBrk );
start = GetRegIP();
have_stop = FALSE;
have_start = FALSE;
if( !ScanEOC() ) {
stop = start;
ReqMemAddr( EXPR_GIVEN, &stop );
if( CurrToken == T_COMMA ) {
start = stop;
have_start = TRUE;
Scan();
if( !ScanEOC() ) {
ReqMemAddr( EXPR_GIVEN, &stop );
have_stop = TRUE;
}
} else {
have_stop = TRUE;
}
}
ReqEOC();
count = 0;
do {
if( have_stop ) {
if( have_keep ) {
if( UserTmpBrk.status.b.has_address ) {
NullStatus( &UserTmpBrk );
UserTmpBrk.status.b.has_address = TRUE;
} else {
NullStatus( &UserTmpBrk );
}
Error( ERR_NONE, LIT( ERR_INCONSISTENT_GO ) );
}
SetTempBreak( stop );
} else if( have_keep ) {
if( UserTmpBrk.status.b.has_address ) {
UserTmpBrk.status.b.active = TRUE;
}
} else {
NullStatus( &UserTmpBrk );
}
if( have_start ) {
RecordSetRegIP( start );
}
flip_on = _IsOn( SW_FLIP );
if( !doflip ) {
_SwitchOff( SW_FLIP );
}
conditions = Go( doflip );
if( flip_on ) _SwitchOn( SW_FLIP );
if( UserTmpBrk.status.b.has_address ) {
NullStatus( &UserTmpBrk );
UserTmpBrk.status.b.has_address = TRUE;
} else {
NullStatus( &UserTmpBrk );
}
} while( until && (conditions & COND_BREAK) && AddrComp( stop, GetRegIP() ) != 0 && ++count < 100 );
}
OVL_EXTERN void GetExprGivenAddr( void *value )
{
ReqMemAddr( EXPR_GIVEN, value );
ReqEOC();
}
OVL_EXTERN void GetExprDataAddr( void *value )
{
ReqMemAddr( EXPR_DATA, value );
ReqEOC();
}
OVL_EXTERN void GetExprCodeAddr( void *value )
{
ReqMemAddr( EXPR_CODE, value );
ReqEOC();
}
static brkp *SetPoint( memory_expr def_seg, mad_type_handle th )
{
brkp *bp;
const char *start;
size_t len;
address loc;
cmd_list *cmds;
char *condition;
long countdown;
bool resume;
bool active;
int index;
mad_type_info mti;
unsigned old;
bool unmapped;
bool mapaddress;
bool symaddress;
char *image_name;
char *mod_name;
char *sym_name;
long cue_diff;
long addr_diff;
int cmd;
resume = false;
index = 0;
active = true;
unmapped = false;
mapaddress = false;
symaddress = false;
while( CurrToken == T_DIV ) {
Scan();
cmd = ScanCmd( PointNameTab );
if( cmd < 0 )
break;
switch( cmd ) {
case B_RESUME:
resume = true;
break;
case B_UNRESUME:
resume = false;
break;
case B_ACTIVATE:
active = true;
break;
case B_DEACTIVATE:
active = false;
break;
case B_UNMAPPED:
unmapped = true;
break;
case B_MAPADDRESS:
mapaddress = true;
ScanItem( true, &start, &len );
image_name = DupStrLen( start, len );
loc.mach.segment = ReqLongExpr();
loc.mach.offset = ReqLongExpr();
ReqComma();
break;
case B_SYMADDRESS:
symaddress = true;
ScanItem( true, &start, &len );
image_name = DupStrLen( start, len );
ScanItem( true, &start, &len );
mod_name = DupStrLen( start, len );
ScanItem( true, &start, &len );
sym_name = DupStrLen( start, len );
cue_diff = ReqLongExpr();
addr_diff = ReqLongExpr();
loc = NilAddr;
ReqComma();
break;
case B_INDEX:
old = NewCurrRadix( 10 );
index = ReqExpr();
NewCurrRadix( old );
ReqComma();
break;
/* fall thru */
default:
Error( ERR_LOC, LIT_ENG( ERR_BAD_OPTION ), GetCmdName( CMD_BREAK ) );
break;
}
}
if( !unmapped ) {
ReqMemAddr( def_seg, &loc );
}
for( bp = BrkList; bp != NULL; bp = bp->next ) {
if( AddrComp( bp->loc.addr, loc ) == 0 ) {
Error( ERR_NONE, LIT_ENG( ERR_POINT_EXISTS ) );
}
}
cmds = NULL;
condition = NULL;
countdown = 0;
if( ScanQuote( &start, &len ) ) {
if( len != 0 )
cmds = AllocCmdList( start, len );
if( ScanQuote( &start, &len ) ) {
if( len != 0 )
condition = DupStrLen( start, len );
if( !ScanEOC() ) {
countdown = ReqExpr();
}
}
}
ReqEOC();
if( !IS_BP_EXECUTE( th ) ) {
MADTypeInfo( th, &mti );
switch( mti.b.bits / BITS_PER_BYTE ) {
case 1:
case 2:
case 4:
break;
case 8:
if( Is8ByteBreakpointsSupported() )
break;
default:
Error( ERR_NONE, LIT_ENG( ERR_NOT_WATCH_SIZE ) );
break;
}
}
bp = AddPoint( loc, th, unmapped );
if( bp == NULL )
return( NULL );
bp->status.b.unmapped = unmapped;
if( mapaddress ) {
bp->loc.image_name = image_name;
}
if( symaddress ) {
bp->image_name = image_name;
bp->mod_name = mod_name;
bp->sym_name = sym_name;
bp->cue_diff = cue_diff;
bp->addr_diff = addr_diff;
}
bp->cmds = cmds;
if( cmds != NULL )
bp->status.b.use_cmds = true;
bp->condition = condition;
if( condition != NULL )
bp->status.b.use_condition = true;
SetBPCountDown( bp, countdown );
bp->status.b.resume = resume;
bp->status.b.active = active;
if( index != 0 )
bp->index = index;
RecordBreakEvent( bp, B_SET );
return( bp );
}
void OptMemAddr( memory_expr def_seg, address *def_val )
{
if( CurrToken == T_COMMA || ScanEOC() ) return;
ReqMemAddr( def_seg, def_val );
}