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8255452: Doing GC during JVMTI MethodExit event posting breaks return oop

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Reviewed-by: coleenp, dlong, rrich, sspitsyn
This commit is contained in:
Erik Österlund 2020-11-05 16:17:33 +00:00
parent ba2ff3a6d2
commit 3a02578b33
3 changed files with 46 additions and 16 deletions
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5
src/hotspot/share/interpreter/interpreterRuntime.cpp
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@ -1269,7 +1269,10 @@ JRT_ENTRY(void, InterpreterRuntime::post_method_entry(JavaThread *thread))
JRT_END
JRT_ENTRY(void, InterpreterRuntime::post_method_exit(JavaThread *thread))
// This is a JRT_BLOCK_ENTRY because we have to stash away the return oop
// before transitioning to VM, and restore it after transitioning back
// to Java. The return oop at the top-of-stack, is not walked by the GC.
JRT_BLOCK_ENTRY(void, InterpreterRuntime::post_method_exit(JavaThread *thread))
LastFrameAccessor last_frame(thread);
JvmtiExport::post_method_exit(thread, last_frame.method(), last_frame.get_frame());
JRT_END