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src/share/vm/services/heapDumper.cpp
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@@ -854,10 +854,33 @@
u2 field_count = 0;
for (FieldStream fldc(ik, true, true); !fldc.eos(); fldc.next()) {
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
for (FieldStream fld(ik, true, true); !fld.eos(); fld.next()) {
if (fld.access_flags().is_static()) {
@@ -871,10 +894,33 @@
address addr = (address)ik->java_mirror() + offset;
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
void DumperSupport::dump_instance_fields(DumpWriter* writer, oop o) {
HandleMark hm;
@@ -1820,10 +1866,12 @@
check_segment_length();
// 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
// These should be classes in the NULL class loader data, and not all classes
// if !ClassUnloading
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