--- old/src/share/vm/interpreter/templateInterpreter.cpp 2013-10-22 15:03:32.000000000 -0700 +++ new/src/share/vm/interpreter/templateInterpreter.cpp 2013-10-22 15:03:32.000000000 -0700 @@ -184,8 +184,9 @@ EntryPoint TemplateInterpreter::_continuation_entry; EntryPoint TemplateInterpreter::_safept_entry; -address TemplateInterpreter::_return_3_addrs_by_index[TemplateInterpreter::number_of_return_addrs]; -address TemplateInterpreter::_return_5_addrs_by_index[TemplateInterpreter::number_of_return_addrs]; +address TemplateInterpreter::_invoke_return_entry[TemplateInterpreter::number_of_return_addrs]; +address TemplateInterpreter::_invokeinterface_return_entry[TemplateInterpreter::number_of_return_addrs]; +address TemplateInterpreter::_invokedynamic_return_entry[TemplateInterpreter::number_of_return_addrs]; DispatchTable TemplateInterpreter::_active_table; DispatchTable TemplateInterpreter::_normal_table; @@ -237,22 +238,37 @@ #endif // !PRODUCT { CodeletMark cm(_masm, "return entry points"); + const int index_size = sizeof(u2); for (int i = 0; i < Interpreter::number_of_return_entries; i++) { Interpreter::_return_entry[i] = EntryPoint( - generate_return_entry_for(itos, i), - generate_return_entry_for(itos, i), - generate_return_entry_for(itos, i), - generate_return_entry_for(atos, i), - generate_return_entry_for(itos, i), - generate_return_entry_for(ltos, i), - generate_return_entry_for(ftos, i), - generate_return_entry_for(dtos, i), - generate_return_entry_for(vtos, i) + generate_return_entry_for(itos, i, index_size), + generate_return_entry_for(itos, i, index_size), + generate_return_entry_for(itos, i, index_size), + generate_return_entry_for(atos, i, index_size), + generate_return_entry_for(itos, i, index_size), + generate_return_entry_for(ltos, i, index_size), + generate_return_entry_for(ftos, i, index_size), + generate_return_entry_for(dtos, i, index_size), + generate_return_entry_for(vtos, i, index_size) ); } } + { CodeletMark cm(_masm, "invoke return entry points"); + const TosState states[] = {itos, itos, itos, itos, ltos, ftos, dtos, atos, vtos}; + const int invoke_length = Bytecodes::length_for(Bytecodes::_invokestatic); + const int invokeinterface_length = Bytecodes::length_for(Bytecodes::_invokeinterface); + const int invokedynamic_length = Bytecodes::length_for(Bytecodes::_invokedynamic); + + for (int i = 0; i < Interpreter::number_of_return_addrs; i++) { + TosState state = states[i]; + Interpreter::_invoke_return_entry[i] = generate_return_entry_for(state, invoke_length, sizeof(u2)); + Interpreter::_invokeinterface_return_entry[i] = generate_return_entry_for(state, invokeinterface_length, sizeof(u2)); + Interpreter::_invokedynamic_return_entry[i] = generate_return_entry_for(state, invokedynamic_length, sizeof(u4)); + } + } + { CodeletMark cm(_masm, "earlyret entry points"); Interpreter::_earlyret_entry = EntryPoint( @@ -298,13 +314,6 @@ } } - for (int j = 0; j < number_of_states; j++) { - const TosState states[] = {btos, ctos, stos, itos, ltos, ftos, dtos, atos, vtos}; - int index = Interpreter::TosState_as_index(states[j]); - Interpreter::_return_3_addrs_by_index[index] = Interpreter::return_entry(states[j], 3); - Interpreter::_return_5_addrs_by_index[index] = Interpreter::return_entry(states[j], 5); - } - { CodeletMark cm(_masm, "continuation entry points"); Interpreter::_continuation_entry = EntryPoint( @@ -534,9 +543,44 @@ //------------------------------------------------------------------------------------------------------------------------ // Entry points -address TemplateInterpreter::return_entry(TosState state, int length) { +/** + * Returns the return entry table for the given invoke bytecode. + */ +address* TemplateInterpreter::invoke_return_entry_table_for(Bytecodes::Code code) { + switch (code) { + case Bytecodes::_invokestatic: + case Bytecodes::_invokespecial: + case Bytecodes::_invokevirtual: + case Bytecodes::_invokehandle: + return Interpreter::invoke_return_entry_table(); + case Bytecodes::_invokeinterface: + return Interpreter::invokeinterface_return_entry_table(); + case Bytecodes::_invokedynamic: + return Interpreter::invokedynamic_return_entry_table(); + default: + fatal(err_msg("invalid bytecode: %s", Bytecodes::name(code))); + return NULL; + } +} + +/** + * Returns the return entry address for the given top-of-stack state and bytecode. + */ +address TemplateInterpreter::return_entry(TosState state, int length, Bytecodes::Code code) { guarantee(0 <= length && length < Interpreter::number_of_return_entries, "illegal length"); - return _return_entry[length].entry(state); + const int index = TosState_as_index(state); + switch (code) { + case Bytecodes::_invokestatic: + case Bytecodes::_invokespecial: + case Bytecodes::_invokevirtual: + return _invoke_return_entry[index]; + case Bytecodes::_invokeinterface: + return _invokeinterface_return_entry[index]; + case Bytecodes::_invokedynamic: + return _invokedynamic_return_entry[index]; + default: + return _return_entry[length].entry(state); + } }