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comparison src/share/vm/runtime/frame.cpp @ 6266:1d7922586cf6

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7023639: JSR 292 method handle invocation needs a fast path for compiled code 6984705: JSR 292 method handle creation should not go through JNI Summary: remove assembly code for JDK 7 chained method handles Reviewed-by: jrose, twisti, kvn, mhaupt Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>
author twisti
date Tue, 24 Jul 2012 10:51:00 -0700
parents aa3d708d67c4
children 957c266d8bc5 da91efe96a93
comparison
equal deleted inserted replaced
6241:aba91a731143 6266:1d7922586cf6
168 _cb = CodeCache::find_blob_unsafe(_pc); 168 _cb = CodeCache::find_blob_unsafe(_pc);
169 169
170 } 170 }
171 171
172 // type testers 172 // type testers
173 bool frame::is_ricochet_frame() const { 173 bool frame::is_ignored_frame() const {
174 RicochetBlob* rcb = SharedRuntime::ricochet_blob(); 174 return false; // FIXME: some LambdaForm frames should be ignored
175 return (_cb == rcb && rcb != NULL && rcb->returns_to_bounce_addr(_pc)); 175 }
176 }
177
178 bool frame::is_deoptimized_frame() const { 176 bool frame::is_deoptimized_frame() const {
179 assert(_deopt_state != unknown, "not answerable"); 177 assert(_deopt_state != unknown, "not answerable");
180 return _deopt_state == is_deoptimized; 178 return _deopt_state == is_deoptimized;
181 } 179 }
182 180
346 } 344 }
347 345
348 frame frame::real_sender(RegisterMap* map) const { 346 frame frame::real_sender(RegisterMap* map) const {
349 frame result = sender(map); 347 frame result = sender(map);
350 while (result.is_runtime_frame() || 348 while (result.is_runtime_frame() ||
351 result.is_ricochet_frame()) { 349 result.is_ignored_frame()) {
352 result = result.sender(map); 350 result = result.sender(map);
353 } 351 }
354 return result; 352 return result;
355 }
356
357 frame frame::sender_for_ricochet_frame(RegisterMap* map) const {
358 assert(is_ricochet_frame(), "");
359 return MethodHandles::ricochet_frame_sender(*this, map);
360 } 353 }
361 354
362 // Note: called by profiler - NOT for current thread 355 // Note: called by profiler - NOT for current thread
363 frame frame::profile_find_Java_sender_frame(JavaThread *thread) { 356 frame frame::profile_find_Java_sender_frame(JavaThread *thread) {
364 // If we don't recognize this frame, walk back up the stack until we do 357 // If we don't recognize this frame, walk back up the stack until we do
539 // (frame::interpreter_frame_sender_sp accessor is in frame_<arch>.cpp) 532 // (frame::interpreter_frame_sender_sp accessor is in frame_<arch>.cpp)
540 533
541 const char* frame::print_name() const { 534 const char* frame::print_name() const {
542 if (is_native_frame()) return "Native"; 535 if (is_native_frame()) return "Native";
543 if (is_interpreted_frame()) return "Interpreted"; 536 if (is_interpreted_frame()) return "Interpreted";
544 if (is_ricochet_frame()) return "Ricochet";
545 if (is_compiled_frame()) { 537 if (is_compiled_frame()) {
546 if (is_deoptimized_frame()) return "Deoptimized"; 538 if (is_deoptimized_frame()) return "Deoptimized";
547 return "Compiled"; 539 return "Compiled";
548 } 540 }
549 if (sp() == NULL) return "Empty"; 541 if (sp() == NULL) return "Empty";
726 } 718 }
727 } else if (_cb->is_runtime_stub()) { 719 } else if (_cb->is_runtime_stub()) {
728 st->print("v ~RuntimeStub::%s", ((RuntimeStub *)_cb)->name()); 720 st->print("v ~RuntimeStub::%s", ((RuntimeStub *)_cb)->name());
729 } else if (_cb->is_deoptimization_stub()) { 721 } else if (_cb->is_deoptimization_stub()) {
730 st->print("v ~DeoptimizationBlob"); 722 st->print("v ~DeoptimizationBlob");
731 } else if (_cb->is_ricochet_stub()) {
732 st->print("v ~RichochetBlob");
733 } else if (_cb->is_exception_stub()) { 723 } else if (_cb->is_exception_stub()) {
734 st->print("v ~ExceptionBlob"); 724 st->print("v ~ExceptionBlob");
735 } else if (_cb->is_safepoint_stub()) { 725 } else if (_cb->is_safepoint_stub()) {
736 st->print("v ~SafepointBlob"); 726 st->print("v ~SafepointBlob");
737 } else { 727 } else {
991 finder.oops_do(); 981 finder.oops_do();
992 } 982 }
993 983
994 void frame::oops_code_blob_do(OopClosure* f, CodeBlobClosure* cf, const RegisterMap* reg_map) { 984 void frame::oops_code_blob_do(OopClosure* f, CodeBlobClosure* cf, const RegisterMap* reg_map) {
995 assert(_cb != NULL, "sanity check"); 985 assert(_cb != NULL, "sanity check");
996 if (_cb == SharedRuntime::ricochet_blob()) {
997 oops_ricochet_do(f, reg_map);
998 }
999 if (_cb->oop_maps() != NULL) { 986 if (_cb->oop_maps() != NULL) {
1000 OopMapSet::oops_do(this, reg_map, f); 987 OopMapSet::oops_do(this, reg_map, f);
1001 988
1002 // Preserve potential arguments for a callee. We handle this by dispatching 989 // Preserve potential arguments for a callee. We handle this by dispatching
1003 // on the codeblob. For c2i, we do 990 // on the codeblob. For c2i, we do
1010 // prevent them from being collected. However, this visit should be 997 // prevent them from being collected. However, this visit should be
1011 // restricted to certain phases of the collection only. The 998 // restricted to certain phases of the collection only. The
1012 // closure decides how it wants nmethods to be traced. 999 // closure decides how it wants nmethods to be traced.
1013 if (cf != NULL) 1000 if (cf != NULL)
1014 cf->do_code_blob(_cb); 1001 cf->do_code_blob(_cb);
1015 }
1016
1017 void frame::oops_ricochet_do(OopClosure* f, const RegisterMap* map) {
1018 assert(is_ricochet_frame(), "");
1019 MethodHandles::ricochet_frame_oops_do(*this, f, map);
1020 } 1002 }
1021 1003
1022 class CompiledArgumentOopFinder: public SignatureInfo { 1004 class CompiledArgumentOopFinder: public SignatureInfo {
1023 protected: 1005 protected:
1024 OopClosure* _f; 1006 OopClosure* _f;
1085 frame caller = *this; 1067 frame caller = *this;
1086 1068
1087 // First consult the ADLC on where it puts parameter 0 for this signature. 1069 // First consult the ADLC on where it puts parameter 0 for this signature.
1088 VMReg reg = SharedRuntime::name_for_receiver(); 1070 VMReg reg = SharedRuntime::name_for_receiver();
1089 oop r = *caller.oopmapreg_to_location(reg, reg_map); 1071 oop r = *caller.oopmapreg_to_location(reg, reg_map);
1090 assert( Universe::heap()->is_in_or_null(r), "bad receiver" ); 1072 assert(Universe::heap()->is_in_or_null(r), err_msg("bad receiver: " INTPTR_FORMAT " (" INTX_FORMAT ")", (intptr_t) r, (intptr_t) r));
1091 return r; 1073 return r;
1092 } 1074 }
1093 1075
1094 1076
1095 oop* frame::oopmapreg_to_location(VMReg reg, const RegisterMap* reg_map) const { 1077 oop* frame::oopmapreg_to_location(VMReg reg, const RegisterMap* reg_map) const {
1405 // For now just label the frame 1387 // For now just label the frame
1406 nmethod* nm = cb()->as_nmethod_or_null(); 1388 nmethod* nm = cb()->as_nmethod_or_null();
1407 values.describe(-1, info_address, 1389 values.describe(-1, info_address,
1408 FormatBuffer<1024>("#%d nmethod " INTPTR_FORMAT " for native method %s", frame_no, 1390 FormatBuffer<1024>("#%d nmethod " INTPTR_FORMAT " for native method %s", frame_no,
1409 nm, nm->method()->name_and_sig_as_C_string()), 2); 1391 nm, nm->method()->name_and_sig_as_C_string()), 2);
1410 } else if (is_ricochet_frame()) {
1411 values.describe(-1, info_address, err_msg("#%d ricochet frame", frame_no), 2);
1412 } else { 1392 } else {
1413 // provide default info if not handled before 1393 // provide default info if not handled before
1414 char *info = (char *) "special frame"; 1394 char *info = (char *) "special frame";
1415 if ((_cb != NULL) && 1395 if ((_cb != NULL) &&
1416 (_cb->name() != NULL)) { 1396 (_cb->name() != NULL)) {