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8181171: Deleting method for RedefineClasses breaks ResolvedMethodName

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8210457: JVM crash in ResolvedMethodTable::add_method(Handle)

Add a function to call NSME in ResolvedMethodTable to replace deleted methods.

Reviewed-by: sspitsyn, dholmes, dcubed
This commit is contained in:
Coleen Phillimore 2019-02-26 08:01:20 -05:00
parent 15ec4ba5c6
commit 2a83596e85
13 changed files with 368 additions and 18 deletions
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3
src/hotspot/share/oops/method.cpp
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@ -2120,7 +2120,8 @@ void Method::change_method_associated_with_jmethod_id(jmethodID jmid, Method* ne
// Can't assert the method_holder is the same because the new method has the
// scratch method holder.
assert(resolve_jmethod_id(jmid)->method_holder()->class_loader()
== new_method->method_holder()->class_loader(),
== new_method->method_holder()->class_loader() ||
new_method->method_holder()->class_loader() == NULL, // allow Unsafe substitution
"changing to a different class loader");
// Just change the method in place, jmethodID pointer doesn't change.
*((Method**)jmid) = new_method;