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8249650: Optimize JNIHandle::make_local thread variable usage

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Reviewed-by: kbarrett, dcubed, kvn, coleenp, sspitsyn
This commit is contained in:
David Holmes 2020-07-22 01:27:08 -04:00
parent 2a8f92e7e7
commit 73c75ed838
12 changed files with 154 additions and 185 deletions
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8
src/hotspot/share/jvmci/jvmciCompilerToVM.cpp
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@ -251,7 +251,7 @@ C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong
if (obj != NULL) {
oopDesc::verify(obj);
}
return JNIHandles::make_local(obj);
return JNIHandles::make_local(THREAD, obj);
C2V_END
C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method))
@ -1038,7 +1038,7 @@ C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject
if (jap.return_type() == T_VOID) {
return NULL;
} else if (is_reference_type(jap.return_type())) {
return JNIHandles::make_local((oop) result.get_jobject());
return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
} else {
jvalue *value = (jvalue *) result.get_value_addr();
// Narrow the value down if required (Important on big endian machines)
@ -2314,7 +2314,7 @@ C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclas
}
typeArrayOop info_oop = oopFactory::new_longArray(4, CHECK_0);
jlongArray info = (jlongArray) JNIHandles::make_local(info_oop);
jlongArray info = (jlongArray) JNIHandles::make_local(THREAD, info_oop);
runtime->init_JavaVM_info(info, JVMCI_CHECK_0);
return info;
}
@ -2565,7 +2565,7 @@ C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmc
}
fieldDescriptor fd(iklass, index);
oop reflected = Reflection::new_field(&fd, CHECK_NULL);
return JNIHandles::make_local(env, reflected);
return JNIHandles::make_local(THREAD, reflected);
}
C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current))