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8004883: NPG: clean up anonymous class fix

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Add klass_holder() to return either mirror or class_loader depending on if the class is anonymous or not.

Reviewed-by: stefank, jrose
This commit is contained in:
Coleen Phillimore 2012-12-12 11:39:29 -05:00
parent ba2a5a260d
commit 54bbf614e8
6 changed files with 24 additions and 40 deletions
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16
hotspot/src/share/vm/asm/codeBuffer.cpp
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@ -496,21 +496,9 @@ void CodeBuffer::compute_final_layout(CodeBuffer* dest) const {
dest->verify_section_allocation();
}
// Anonymous classes need mirror to keep the metadata alive but
// for regular classes, the class_loader is sufficient.
// Append an oop reference that keeps the class alive.
static void append_oop_references(GrowableArray<oop>* oops, Klass* k) {
if (k->oop_is_instance()) {
InstanceKlass* ik = InstanceKlass::cast(k);
if (ik->is_anonymous()) {
oop o = ik->java_mirror();
assert (o != NULL, "should have a mirror");
if (!oops->contains(o)) {
oops->append(o);
}
return; // only need the mirror
}
}
oop cl = k->class_loader();
oop cl = k->klass_holder();
if (cl != NULL && !oops->contains(cl)) {
oops->append(cl);
}