524 // lock. We require the caller to take the lock before making the ProfileData
525 // structure. Currently the only caller is InterpreterRuntime::update_mdp_for_ret
526 address RetData::fixup_ret(int return_bci, MethodData* h_mdo) {
527 // First find the mdp which corresponds to the return bci.
528 address mdp = h_mdo->bci_to_dp(return_bci);
529
530 // Now check to see if any of the cache slots are open.
531 for (uint row = 0; row < row_limit(); row++) {
532 if (bci(row) == no_bci) {
533 set_bci_displacement(row, mdp - dp());
534 set_bci_count(row, DataLayout::counter_increment);
535 // Barrier to ensure displacement is written before the bci; allows
536 // the interpreter to read displacement without fear of race condition.
537 release_set_bci(row, return_bci);
538 break;
539 }
540 }
541 return mdp;
542 }
543
544 #ifdef CC_INTERP
545 DataLayout* RetData::advance(MethodData *md, int bci) {
546 return (DataLayout*) md->bci_to_dp(bci);
547 }
548 #endif // CC_INTERP
549
550 void RetData::print_data_on(outputStream* st, const char* extra) const {
551 print_shared(st, "RetData", extra);
552 uint row;
553 int entries = 0;
554 for (row = 0; row < row_limit(); row++) {
555 if (bci(row) != no_bci) entries++;
556 }
557 st->print_cr("count(%u) entries(%u)", count(), entries);
558 for (row = 0; row < row_limit(); row++) {
559 if (bci(row) != no_bci) {
560 tab(st);
561 st->print_cr("bci(%d: count(%u) displacement(%d))",
562 bci(row), bci_count(row), bci_displacement(row));
563 }
564 }
565 }
566
567 // ==================================================================
568 // BranchData
569 //
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524 // lock. We require the caller to take the lock before making the ProfileData
525 // structure. Currently the only caller is InterpreterRuntime::update_mdp_for_ret
526 address RetData::fixup_ret(int return_bci, MethodData* h_mdo) {
527 // First find the mdp which corresponds to the return bci.
528 address mdp = h_mdo->bci_to_dp(return_bci);
529
530 // Now check to see if any of the cache slots are open.
531 for (uint row = 0; row < row_limit(); row++) {
532 if (bci(row) == no_bci) {
533 set_bci_displacement(row, mdp - dp());
534 set_bci_count(row, DataLayout::counter_increment);
535 // Barrier to ensure displacement is written before the bci; allows
536 // the interpreter to read displacement without fear of race condition.
537 release_set_bci(row, return_bci);
538 break;
539 }
540 }
541 return mdp;
542 }
543
544 void RetData::print_data_on(outputStream* st, const char* extra) const {
545 print_shared(st, "RetData", extra);
546 uint row;
547 int entries = 0;
548 for (row = 0; row < row_limit(); row++) {
549 if (bci(row) != no_bci) entries++;
550 }
551 st->print_cr("count(%u) entries(%u)", count(), entries);
552 for (row = 0; row < row_limit(); row++) {
553 if (bci(row) != no_bci) {
554 tab(st);
555 st->print_cr("bci(%d: count(%u) displacement(%d))",
556 bci(row), bci_count(row), bci_displacement(row));
557 }
558 }
559 }
560
561 // ==================================================================
562 // BranchData
563 //
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