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8247992: [JVMCI] HotSpotNmethod.executeVarargs can try execute a zombie nmethod

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Reviewed-by: eosterlund, kvn, never
This commit is contained in:
Doug Simon 2020-06-23 09:57:30 +02:00
parent 4167ba1288
commit 6469685285
4 changed files with 40 additions and 34 deletions
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4
src/hotspot/share/jvmci/jvmciCompilerToVM.cpp
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@ -1025,7 +1025,7 @@ C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject
JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
nmethodLocker locker;
nmethod* nm = JVMCIENV->get_nmethod(nmethod_mirror, locker);
if (nm == NULL) {
if (nm == NULL || !nm->is_in_use()) {
JVMCI_THROW_NULL(InvalidInstalledCodeException);
}
methodHandle mh(THREAD, nm->method());
@ -1034,7 +1034,7 @@ C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject
JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
JavaValue result(jap.return_type());
jca.set_alternative_target(nm);
jca.set_alternative_target(Handle(THREAD, JNIHandles::resolve(nmethod_mirror.as_jobject())));
JavaCalls::call(&result, mh, &jca, CHECK_NULL);
if (jap.return_type() == T_VOID) {