Lines Matching defs:label

102   dfsan_label label = ls[0];
104     label |= ls[i];
105   return label;
112   dfsan_label label = 0;
120     label |= l;
124   return ret | (u64)label << 32;
147 // label-free program.
150     Report("WARNING: DataFlowSanitizer: saw nonzero label\n");
219   // taint labels, it does not matter what origin a zero label has. This reduces
398 // trace if the label is tainted.
400 __dfsan_chain_origin_if_tainted(dfsan_label label, dfsan_origin id) {
401   if (!label)
505   // Don't write the label if it is already the value we need it to be.
511   // write when both |label| and |*labelp| are zero dramatically reduces
546 static void SetShadow(dfsan_label label, void *addr, uptr size,
548   if (0 != label) {
550     internal_memset((void *)beg_shadow_addr, label, size);
562 // If the label s is tainted, set the size bytes from the address p to be a new
575     dfsan_label label, dfsan_origin origin, void *addr, uptr size) {
576   SetShadow(label, addr, size, origin);
580 void dfsan_set_label(dfsan_label label, void *addr, uptr size) {
582   if (label && dfsan_get_track_origins()) {
587   SetShadow(label, addr, size, init_origin);
591 void dfsan_add_label(dfsan_label label, void *addr, uptr size) {
592   if (0 == label)
603     *labelp |= label;
607 // depends on the label of one of its arguments.  Hence it is implemented as a
652 SANITIZER_INTERFACE_ATTRIBUTE void dfsan_set_label_origin(dfsan_label label,
656   __dfsan_set_label(label, origin, addr, size);
660 dfsan_has_label(dfsan_label label, dfsan_label elem) {
661   return (label & elem) == elem;
665 typedef void (*dfsan_conditional_callback_t)(dfsan_label label,
672 static void ConditionalCallback(dfsan_label label, dfsan_origin origin) {
675   if (label == 0) {
690     labels_in_signal_conditional |= label;
694   conditional_callback(label, origin);
698 __dfsan_conditional_callback_origin(dfsan_label label, dfsan_origin origin) {
699   ConditionalCallback(label, origin);
703     dfsan_label label) {
704   ConditionalCallback(label, 0);
718 typedef void (*dfsan_reaches_function_callback_t)(dfsan_label label,
728 static void ReachesFunctionCallback(dfsan_label label, dfsan_origin origin,
731   if (label == 0) {
746     labels_in_signal_reaches_function |= label;
750   reaches_function_callback(label, origin, file, line, function);
754 __dfsan_reaches_function_callback_origin(dfsan_label label, dfsan_origin origin,
757   ReachesFunctionCallback(label, origin, file, line, function);
761 __dfsan_reaches_function_callback(dfsan_label label, const char *file,
763   ReachesFunctionCallback(label, 0, file, line, function);
799 static void PrintInvalidOriginWarning(dfsan_label label, const void *address) {
804       d.Warning(), label, address, d.Default());
845   const dfsan_label label = *__dfsan::shadow_for(addr);
846   CHECK(label);
851                d.Origin(), label, addr, description ? description : "",
865   const dfsan_label label = *__dfsan::shadow_for(addr);
866   if (!label) {
878     PrintInvalidOriginWarning(label, addr);
891   const dfsan_label label = *__dfsan::shadow_for(addr);
892   if (!label) {
901     PrintInvalidOriginWarning(label, addr);
962   const dfsan_label label = *__dfsan::shadow_for(addr);
963   if (!label)
1054 void dfsan_set_arg_tls(uptr offset, dfsan_label label) {
1059   ((dfsan_label *)__dfsan_arg_tls)[offset * 2] = label;