629 __ empty_expression_stack();
630
631 __ load_const_optimized(R4_ARG2, (address) name, R11_scratch1);
632 if (pass_oop) {
633 __ mr(R5_ARG3, Rexception);
634 __ call_VM(Rexception, CAST_FROM_FN_PTR(address, InterpreterRuntime::create_klass_exception), false);
635 } else {
636 __ load_const_optimized(R5_ARG3, (address) message, R11_scratch1);
637 __ call_VM(Rexception, CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), false);
638 }
639
640 // Throw exception.
641 __ mr(R3_ARG1, Rexception);
642 __ load_const_optimized(R11_scratch1, Interpreter::throw_exception_entry(), R12_scratch2);
643 __ mtctr(R11_scratch1);
644 __ bctr();
645
646 return entry;
647 }
648
649 address TemplateInterpreterGenerator::generate_continuation_for(TosState state) {
650 address entry = __ pc();
651 __ unimplemented("generate_continuation_for");
652 return entry;
653 }
654
655 // This entry is returned to when a call returns to the interpreter.
656 // When we arrive here, we expect that the callee stack frame is already popped.
657 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) {
658 address entry = __ pc();
659
660 // Move the value out of the return register back to the TOS cache of current frame.
661 switch (state) {
662 case ltos:
663 case btos:
664 case ztos:
665 case ctos:
666 case stos:
667 case atos:
668 case itos: __ mr(R17_tos, R3_RET); break; // RET -> TOS cache
669 case ftos:
670 case dtos: __ fmr(F15_ftos, F1_RET); break; // TOS cache -> GR_FRET
671 case vtos: break; // Nothing to do, this was a void return.
672 default : ShouldNotReachHere();
673 }
674
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629 __ empty_expression_stack();
630
631 __ load_const_optimized(R4_ARG2, (address) name, R11_scratch1);
632 if (pass_oop) {
633 __ mr(R5_ARG3, Rexception);
634 __ call_VM(Rexception, CAST_FROM_FN_PTR(address, InterpreterRuntime::create_klass_exception), false);
635 } else {
636 __ load_const_optimized(R5_ARG3, (address) message, R11_scratch1);
637 __ call_VM(Rexception, CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), false);
638 }
639
640 // Throw exception.
641 __ mr(R3_ARG1, Rexception);
642 __ load_const_optimized(R11_scratch1, Interpreter::throw_exception_entry(), R12_scratch2);
643 __ mtctr(R11_scratch1);
644 __ bctr();
645
646 return entry;
647 }
648
649 // This entry is returned to when a call returns to the interpreter.
650 // When we arrive here, we expect that the callee stack frame is already popped.
651 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) {
652 address entry = __ pc();
653
654 // Move the value out of the return register back to the TOS cache of current frame.
655 switch (state) {
656 case ltos:
657 case btos:
658 case ztos:
659 case ctos:
660 case stos:
661 case atos:
662 case itos: __ mr(R17_tos, R3_RET); break; // RET -> TOS cache
663 case ftos:
664 case dtos: __ fmr(F15_ftos, F1_RET); break; // TOS cache -> GR_FRET
665 case vtos: break; // Nothing to do, this was a void return.
666 default : ShouldNotReachHere();
667 }
668
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