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8223794: applications/kitchensink/Kitchensink.java crash bad oop with Graal

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Added new nmethod::oop_at_phantom() method for JVMCI to notify GC that oop should be kept alive

Reviewed-by: dlong, eosterlund
This commit is contained in:
Vladimir Kozlov 2019-06-20 10:32:25 -07:00
parent 4934681f19
commit 2ccecc495c
5 changed files with 20 additions and 8 deletions
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4
src/hotspot/share/jvmci/jvmciCompilerToVM.cpp
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@ -2416,7 +2416,7 @@ C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle))
if (peerEnv->is_hotspot()) {
// Only the mirror in the HotSpot heap is accessible
// through JVMCINMethodData
oop nmethod_mirror = data->get_nmethod_mirror(nm);
oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true);
if (nmethod_mirror != NULL) {
result = HotSpotJVMCI::wrap(nmethod_mirror);
}
@ -2443,7 +2443,7 @@ C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle))
if (data == NULL) {
JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod");
}
if (data->get_nmethod_mirror(nm) != NULL) {
if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) {
JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod");
}
oop nmethod_mirror = HotSpotJVMCI::resolve(result);