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src/hotspot/share/runtime/stackValue.cpp
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@@ -27,10 +27,13 @@
#include "oops/compressedOops.inline.hpp"
#include "oops/oop.hpp"
#include "runtime/frame.inline.hpp"
#include "runtime/handles.inline.hpp"
#include "runtime/stackValue.hpp"
+#if INCLUDE_ZGC
+#include "gc/z/zBarrier.inline.hpp"
+#endif
StackValue* StackValue::create_stack_value(const frame* fr, const RegisterMap* reg_map, ScopeValue* sv) {
if (sv->is_location()) {
// Stack or register value
Location loc = ((LocationValue *)sv)->location();
@@ -117,10 +120,17 @@
// The narrow_oop_base could be NULL or be the address
// of the page below heap. Use NULL value for both cases.
val = (oop)NULL;
}
#endif
+#if INCLUDE_ZGC
+ // Deoptimization must make sure all oop have passed load barrier
+ if (UseZGC) {
+ val = ZBarrier::load_barrier_on_oop_field_preloaded((oop*)value_addr, val);
+ }
+#endif
+
Handle h(Thread::current(), val); // Wrap a handle around the oop
return new StackValue(h);
}
case Location::addr: {
ShouldNotReachHere(); // both C1 and C2 now inline jsrs
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