--- old/src/share/vm/services/heapDumper.cpp 2017-08-31 11:26:18.320878972 -0400 +++ new/src/share/vm/services/heapDumper.cpp 2017-08-31 11:26:17.993773337 -0400 @@ -856,6 +856,29 @@ if (fldc.access_flags().is_static()) field_count++; } + // Add in resolved_references which is referenced by the cpCache + // The resolved_references is an array per InstanceKlass holding the + // strings and other oops resolved from the constant pool. + oop resolved_references = ik->constants()->resolved_references(); + if (resolved_references != NULL) { + field_count++; + + // Add in the resolved_references of the used previous versions of the class + // in the case of RedefineClasses + InstanceKlass* prev = ik->previous_versions(); + while (prev != NULL && prev->constants()->resolved_references() != NULL) { + field_count++; + prev = prev->previous_versions(); + } + } + + // Also provide a pointer to the init_lock if present, so there aren't unreferenced int[0] + // arrays. + oop init_lock = ik->init_lock(); + if (init_lock != NULL) { + field_count++; + } + writer->write_u2(field_count); // pass 2 - dump the field descriptors and raw values @@ -873,6 +896,29 @@ dump_field_value(writer, sig->byte_at(0), addr); } } + + // Add resolved_references for each class that has them + if (resolved_references != NULL) { + writer->write_symbolID(vmSymbols::resolved_references_name()); // name + writer->write_u1(sig2tag(vmSymbols::object_array_signature())); // type + writer->write_objectID(resolved_references); + + // Also write any previous versions + InstanceKlass* prev = ik->previous_versions(); + while (prev != NULL && prev->constants()->resolved_references() != NULL) { + writer->write_symbolID(vmSymbols::resolved_references_name()); // name + writer->write_u1(sig2tag(vmSymbols::object_array_signature())); // type + writer->write_objectID(prev->constants()->resolved_references()); + prev = prev->previous_versions(); + } + } + + // Add init lock to the end if the class is not yet initialized + if (init_lock != NULL) { + writer->write_symbolID(vmSymbols::init_lock_name()); // name + writer->write_u1(sig2tag(vmSymbols::int_array_signature())); // type + writer->write_objectID(init_lock); + } } // dump the raw values of the instance fields of the given object @@ -908,7 +954,7 @@ if (!fld.access_flags().is_static()) { Symbol* sig = fld.signature(); - writer->write_symbolID(fld.name()); // name + writer->write_symbolID(fld.name()); // name writer->write_u1(sig2tag(sig)); // type } } @@ -1822,6 +1868,8 @@ // HPROF_GC_ROOT_JNI_GLOBAL JNIGlobalsDumper jni_dumper(writer()); JNIHandles::oops_do(&jni_dumper); + Universe::oops_do(&jni_dumper); // technically not jni roots, but global roots + // for things like preallocated throwable backtraces check_segment_length(); // HPROF_GC_ROOT_STICKY_CLASS