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8221554: aarch64 cross-modifying code

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Reviewed-by: rehn, aph
This commit is contained in:
Alan Hayward 2020-11-19 12:27:22 +00:00 • committed by Nick Gasson
parent f626ed6a43
commit d183fc7faa
26 changed files with 134 additions and 49 deletions
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9
src/hotspot/share/runtime/thread.cpp
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@ -1580,6 +1580,9 @@ JavaThread::JavaThread() :
ThreadSafepointState::create(this);
SafepointMechanism::initialize_header(this);
set_requires_cross_modify_fence(false);
pd_initialize();
assert(deferred_card_mark().is_empty(), "Default MemRegion ctor");
}
@ -4646,3 +4649,9 @@ void Threads::verify() {
VMThread* thread = VMThread::vm_thread();
if (thread != NULL) thread->verify();
}
#ifndef PRODUCT
void JavaThread::verify_cross_modify_fence_failure(JavaThread *thread) {
report_vm_error(__FILE__, __LINE__, "Cross modify fence failure", "%p", thread);
}
#endif