[Ravenwood] Support NativeAllocationRegistry
We don't track native allocation size, but we still need to
release native allocations.
Bug: 337110712
Test: atest RavenwoodBivalentTest
Test: atest RavenwoodBivalentTest_device
Test: ./ravenwood/scripts/run-ravenwood-tests.sh
Change-Id: Ia50c963731a26fc951a8040cbf353a5c56505b6a
diff --git a/ravenwood/runtime-helper-src/jni/ravenwood_runtime.cpp b/ravenwood/runtime-helper-src/jni/ravenwood_runtime.cpp
new file mode 100644
index 0000000..8e3a21d
--- /dev/null
+++ b/ravenwood/runtime-helper-src/jni/ravenwood_runtime.cpp
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <nativehelper/JNIHelp.h>
+#include "jni.h"
+#include "utils/Log.h"
+#include "utils/misc.h"
+
+
+typedef void (*FreeFunction)(void*);
+
+static void NativeAllocationRegistry_applyFreeFunction(JNIEnv*,
+ jclass,
+ jlong freeFunction,
+ jlong ptr) {
+ void* nativePtr = reinterpret_cast<void*>(static_cast<uintptr_t>(ptr));
+ FreeFunction nativeFreeFunction
+ = reinterpret_cast<FreeFunction>(static_cast<uintptr_t>(freeFunction));
+ nativeFreeFunction(nativePtr);
+}
+
+static const JNINativeMethod sMethods_NAR[] =
+{
+ { "applyFreeFunction", "(JJ)V", (void*)NativeAllocationRegistry_applyFreeFunction },
+};
+
+extern "C" jint JNI_OnLoad(JavaVM* vm, void* /* reserved */)
+{
+ JNIEnv* env = NULL;
+ jint result = -1;
+
+ if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
+ ALOGE("GetEnv failed!");
+ return result;
+ }
+ ALOG_ASSERT(env, "Could not retrieve the env!");
+
+ ALOGI("%s: JNI_OnLoad", __FILE__);
+
+ // Initialize the Ravenwood version of NativeAllocationRegistry.
+ // We don't use this JNI on the device side, but if we ever have to do, skip this part.
+#ifndef __ANDROID__
+ int res = jniRegisterNativeMethods(env, "libcore/util/NativeAllocationRegistry",
+ sMethods_NAR, NELEM(sMethods_NAR));
+ if (res < 0) {
+ return res;
+ }
+#endif
+
+ return JNI_VERSION_1_4;
+}