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comparison src/share/vm/interpreter/templateInterpreter.cpp @ 726:be93aad57795

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6655646: dynamic languages need dynamically linked call sites Summary: invokedynamic instruction (JSR 292 RI) Reviewed-by: twisti, never
author jrose
date Tue, 21 Apr 2009 23:21:04 -0700
parents e5b0439ef4ae
children 9987d9d5eb0e
comparison
equal deleted inserted replaced
725:928912ce8438 726:be93aad57795
176 #ifndef PRODUCT 176 #ifndef PRODUCT
177 EntryPoint TemplateInterpreter::_trace_code; 177 EntryPoint TemplateInterpreter::_trace_code;
178 #endif // !PRODUCT 178 #endif // !PRODUCT
179 EntryPoint TemplateInterpreter::_return_entry[TemplateInterpreter::number_of_return_entries]; 179 EntryPoint TemplateInterpreter::_return_entry[TemplateInterpreter::number_of_return_entries];
180 EntryPoint TemplateInterpreter::_earlyret_entry; 180 EntryPoint TemplateInterpreter::_earlyret_entry;
181 EntryPoint TemplateInterpreter::_return_unbox_entry;
181 EntryPoint TemplateInterpreter::_deopt_entry [TemplateInterpreter::number_of_deopt_entries ]; 182 EntryPoint TemplateInterpreter::_deopt_entry [TemplateInterpreter::number_of_deopt_entries ];
182 EntryPoint TemplateInterpreter::_continuation_entry; 183 EntryPoint TemplateInterpreter::_continuation_entry;
183 EntryPoint TemplateInterpreter::_safept_entry; 184 EntryPoint TemplateInterpreter::_safept_entry;
184 185
185 address TemplateInterpreter::_return_3_addrs_by_index[TemplateInterpreter::number_of_return_addrs]; 186 address TemplateInterpreter::_return_3_addrs_by_index[TemplateInterpreter::number_of_return_addrs];
186 address TemplateInterpreter::_return_5_addrs_by_index[TemplateInterpreter::number_of_return_addrs]; 187 address TemplateInterpreter::_return_5_addrs_by_index[TemplateInterpreter::number_of_return_addrs];
188 address TemplateInterpreter::_return_5_unbox_addrs_by_index[TemplateInterpreter::number_of_return_addrs];
187 189
188 DispatchTable TemplateInterpreter::_active_table; 190 DispatchTable TemplateInterpreter::_active_table;
189 DispatchTable TemplateInterpreter::_normal_table; 191 DispatchTable TemplateInterpreter::_normal_table;
190 DispatchTable TemplateInterpreter::_safept_table; 192 DispatchTable TemplateInterpreter::_safept_table;
191 address TemplateInterpreter::_wentry_point[DispatchTable::length]; 193 address TemplateInterpreter::_wentry_point[DispatchTable::length];
249 generate_return_entry_for(vtos, i) 251 generate_return_entry_for(vtos, i)
250 ); 252 );
251 } 253 }
252 } 254 }
253 255
256 if (EnableInvokeDynamic) {
257 CodeletMark cm(_masm, "unboxing return entry points");
258 Interpreter::_return_unbox_entry =
259 EntryPoint(
260 generate_return_unbox_entry_for(btos, 5),
261 generate_return_unbox_entry_for(ctos, 5),
262 generate_return_unbox_entry_for(stos, 5),
263 generate_return_unbox_entry_for(atos, 5), // cast conversion
264 generate_return_unbox_entry_for(itos, 5),
265 generate_return_unbox_entry_for(ltos, 5),
266 generate_return_unbox_entry_for(ftos, 5),
267 generate_return_unbox_entry_for(dtos, 5),
268 Interpreter::_return_entry[5].entry(vtos) // no unboxing for void
269 );
270 }
271
254 { CodeletMark cm(_masm, "earlyret entry points"); 272 { CodeletMark cm(_masm, "earlyret entry points");
255 Interpreter::_earlyret_entry = 273 Interpreter::_earlyret_entry =
256 EntryPoint( 274 EntryPoint(
257 generate_earlyret_entry_for(btos), 275 generate_earlyret_entry_for(btos),
258 generate_earlyret_entry_for(ctos), 276 generate_earlyret_entry_for(ctos),
296 } 314 }
297 } 315 }
298 316
299 for (int j = 0; j < number_of_states; j++) { 317 for (int j = 0; j < number_of_states; j++) {
300 const TosState states[] = {btos, ctos, stos, itos, ltos, ftos, dtos, atos, vtos}; 318 const TosState states[] = {btos, ctos, stos, itos, ltos, ftos, dtos, atos, vtos};
301 Interpreter::_return_3_addrs_by_index[Interpreter::TosState_as_index(states[j])] = Interpreter::return_entry(states[j], 3); 319 int index = Interpreter::TosState_as_index(states[j]);
302 Interpreter::_return_5_addrs_by_index[Interpreter::TosState_as_index(states[j])] = Interpreter::return_entry(states[j], 5); 320 Interpreter::_return_3_addrs_by_index[index] = Interpreter::return_entry(states[j], 3);
321 Interpreter::_return_5_addrs_by_index[index] = Interpreter::return_entry(states[j], 5);
322 if (EnableInvokeDynamic)
323 Interpreter::_return_5_unbox_addrs_by_index[index] = Interpreter::return_unbox_entry(states[j], 5);
303 } 324 }
304 325
305 { CodeletMark cm(_masm, "continuation entry points"); 326 { CodeletMark cm(_masm, "continuation entry points");
306 Interpreter::_continuation_entry = 327 Interpreter::_continuation_entry =
307 EntryPoint( 328 EntryPoint(
524 guarantee(0 <= length && length < Interpreter::number_of_return_entries, "illegal length"); 545 guarantee(0 <= length && length < Interpreter::number_of_return_entries, "illegal length");
525 return _return_entry[length].entry(state); 546 return _return_entry[length].entry(state);
526 } 547 }
527 548
528 549
550 address TemplateInterpreter::return_unbox_entry(TosState state, int length) {
551 assert(EnableInvokeDynamic, "");
552 if (state == vtos) {
553 // no unboxing to do, actually
554 return return_entry(state, length);
555 } else {
556 assert(length == 5, "unboxing entries generated for invokedynamic only");
557 return _return_unbox_entry.entry(state);
558 }
559 }
560
561
529 address TemplateInterpreter::deopt_entry(TosState state, int length) { 562 address TemplateInterpreter::deopt_entry(TosState state, int length) {
530 guarantee(0 <= length && length < Interpreter::number_of_deopt_entries, "illegal length"); 563 guarantee(0 <= length && length < Interpreter::number_of_deopt_entries, "illegal length");
531 return _deopt_entry[length].entry(state); 564 return _deopt_entry[length].entry(state);
532 } 565 }
533 566