Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/ci/ciEnv.cpp
src/share/vm/ci/ciEnv.cpp
- changeset 3197
- 5eb9169b1a14
- parent 3155
- eda6988c0d81
- child 3969
- 1d7922586cf6
equal
deleted
inserted
replaced
| 3196:0abefdb54d21 | 3197:5eb9169b1a14 |
|---|---|
| 471 // Found it. Build a CI handle. | 471 // Found it. Build a CI handle. |
| 472 return get_object(found_klass())->as_klass(); | 472 return get_object(found_klass())->as_klass(); |
| 473 } | 473 } |
| 474 | 474 |
| 475 if (require_local) return NULL; | 475 if (require_local) return NULL; |
| 476 | |
| 476 // Not yet loaded into the VM, or not governed by loader constraints. | 477 // Not yet loaded into the VM, or not governed by loader constraints. |
| 477 // Make a CI representative for it. | 478 // Make a CI representative for it. |
| 478 return get_unloaded_klass(accessing_klass, name); | 479 return get_unloaded_klass(accessing_klass, name); |
| 479 } | 480 } |
| 480 | 481 |
| 496 ciKlass* ciEnv::get_klass_by_index_impl(constantPoolHandle cpool, | 497 ciKlass* ciEnv::get_klass_by_index_impl(constantPoolHandle cpool, |
| 497 int index, | 498 int index, |
| 498 bool& is_accessible, | 499 bool& is_accessible, |
| 499 ciInstanceKlass* accessor) { | 500 ciInstanceKlass* accessor) { |
| 500 EXCEPTION_CONTEXT; | 501 EXCEPTION_CONTEXT; |
| 501 KlassHandle klass (THREAD, constantPoolOopDesc::klass_at_if_loaded(cpool, index)); | 502 KlassHandle klass(THREAD, constantPoolOopDesc::klass_at_if_loaded(cpool, index)); |
| 502 Symbol* klass_name = NULL; | 503 Symbol* klass_name = NULL; |
| 503 if (klass.is_null()) { | 504 if (klass.is_null()) { |
| 504 // The klass has not been inserted into the constant pool. | 505 // The klass has not been inserted into the constant pool. |
| 505 // Try to look it up by name. | 506 // Try to look it up by name. |
| 506 { | 507 { |
| 783 } | 784 } |
| 784 | 785 |
| 785 // Either the declared holder was not loaded, or the method could | 786 // Either the declared holder was not loaded, or the method could |
| 786 // not be found. Create a dummy ciMethod to represent the failed | 787 // not be found. Create a dummy ciMethod to represent the failed |
| 787 // lookup. | 788 // lookup. |
| 788 | 789 ciSymbol* name = get_symbol(name_sym); |
| 789 return get_unloaded_method(declared_holder, | 790 ciSymbol* signature = get_symbol(sig_sym); |
| 790 get_symbol(name_sym), | 791 return get_unloaded_method(declared_holder, name, signature, accessor); |
| 791 get_symbol(sig_sym)); | |
| 792 } | 792 } |
| 793 | 793 |
| 794 | 794 |
| 795 // ------------------------------------------------------------------ | 795 // ------------------------------------------------------------------ |
| 796 // ciEnv::get_fake_invokedynamic_method_impl | 796 // ciEnv::get_fake_invokedynamic_method_impl |
| 797 ciMethod* ciEnv::get_fake_invokedynamic_method_impl(constantPoolHandle cpool, | 797 ciMethod* ciEnv::get_fake_invokedynamic_method_impl(constantPoolHandle cpool, |
| 798 int index, Bytecodes::Code bc) { | 798 int index, Bytecodes::Code bc, |
| 799 ciInstanceKlass* accessor) { | |
| 799 // Compare the following logic with InterpreterRuntime::resolve_invokedynamic. | 800 // Compare the following logic with InterpreterRuntime::resolve_invokedynamic. |
| 800 assert(bc == Bytecodes::_invokedynamic, "must be invokedynamic"); | 801 assert(bc == Bytecodes::_invokedynamic, "must be invokedynamic"); |
| 801 | 802 |
| 802 bool is_resolved = cpool->cache()->main_entry_at(index)->is_resolved(bc); | 803 bool is_resolved = cpool->cache()->main_entry_at(index)->is_resolved(bc); |
| 803 if (is_resolved && cpool->cache()->secondary_entry_at(index)->is_f1_null()) | 804 if (is_resolved && cpool->cache()->secondary_entry_at(index)->is_f1_null()) |
| 805 is_resolved = false; | 806 is_resolved = false; |
| 806 | 807 |
| 807 // Call site might not be resolved yet. We could create a real invoker method from the | 808 // Call site might not be resolved yet. We could create a real invoker method from the |
| 808 // compiler, but it is simpler to stop the code path here with an unlinked method. | 809 // compiler, but it is simpler to stop the code path here with an unlinked method. |
| 809 if (!is_resolved) { | 810 if (!is_resolved) { |
| 810 ciInstanceKlass* mh_klass = get_object(SystemDictionary::MethodHandle_klass())->as_instance_klass(); | 811 ciInstanceKlass* holder = get_object(SystemDictionary::MethodHandle_klass())->as_instance_klass(); |
| 811 ciSymbol* sig_sym = get_symbol(cpool->signature_ref_at(index)); | 812 ciSymbol* name = ciSymbol::invokeExact_name(); |
| 812 return get_unloaded_method(mh_klass, ciSymbol::invokeExact_name(), sig_sym); | 813 ciSymbol* signature = get_symbol(cpool->signature_ref_at(index)); |
| 814 return get_unloaded_method(holder, name, signature, accessor); | |
| 813 } | 815 } |
| 814 | 816 |
| 815 // Get the invoker methodOop from the constant pool. | 817 // Get the invoker methodOop from the constant pool. |
| 816 oop f1_value = cpool->cache()->main_entry_at(index)->f1(); | 818 oop f1_value = cpool->cache()->main_entry_at(index)->f1(); |
| 817 methodOop signature_invoker = (methodOop) f1_value; | 819 methodOop signature_invoker = (methodOop) f1_value; |
| 848 // ciEnv::get_method_by_index | 850 // ciEnv::get_method_by_index |
| 849 ciMethod* ciEnv::get_method_by_index(constantPoolHandle cpool, | 851 ciMethod* ciEnv::get_method_by_index(constantPoolHandle cpool, |
| 850 int index, Bytecodes::Code bc, | 852 int index, Bytecodes::Code bc, |
| 851 ciInstanceKlass* accessor) { | 853 ciInstanceKlass* accessor) { |
| 852 if (bc == Bytecodes::_invokedynamic) { | 854 if (bc == Bytecodes::_invokedynamic) { |
| 853 GUARDED_VM_ENTRY(return get_fake_invokedynamic_method_impl(cpool, index, bc);) | 855 GUARDED_VM_ENTRY(return get_fake_invokedynamic_method_impl(cpool, index, bc, accessor);) |
| 854 } else { | 856 } else { |
| 855 GUARDED_VM_ENTRY(return get_method_by_index_impl(cpool, index, bc, accessor);) | 857 GUARDED_VM_ENTRY(return get_method_by_index_impl( cpool, index, bc, accessor);) |
| 856 } | 858 } |
| 857 } | 859 } |
| 858 | 860 |
| 859 | 861 |
| 860 // ------------------------------------------------------------------ | 862 // ------------------------------------------------------------------ |
