+++ /dev/null
-/*
- * Copyright (C) 2008 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 "java_lang_Runtime.h"
-
-#include <dlfcn.h>
-#include <limits.h>
-#include <unistd.h>
-
-#include "base/macros.h"
-#include "gc/heap.h"
-#include "handle_scope-inl.h"
-#include "jni_internal.h"
-#include "mirror/class_loader.h"
-#include "runtime.h"
-#include "scoped_thread_state_change.h"
-#include "ScopedUtfChars.h"
-#include "verify_object-inl.h"
-
-#include <sstream>
-#ifdef __ANDROID__
-// This function is provided by android linker.
-extern "C" void android_update_LD_LIBRARY_PATH(const char* ld_library_path);
-#endif // __ANDROID__
-
-namespace art {
-
-static void Runtime_gc(JNIEnv*, jclass) {
- if (Runtime::Current()->IsExplicitGcDisabled()) {
- LOG(INFO) << "Explicit GC skipped.";
- return;
- }
- Runtime::Current()->GetHeap()->CollectGarbage(false);
-}
-
-NO_RETURN static void Runtime_nativeExit(JNIEnv*, jclass, jint status) {
- LOG(INFO) << "System.exit called, status: " << status;
- Runtime::Current()->CallExitHook(status);
- exit(status);
-}
-
-static void SetLdLibraryPath(JNIEnv* env, jstring javaLdLibraryPath) {
-#ifdef __ANDROID__
- if (javaLdLibraryPath != nullptr) {
- ScopedUtfChars ldLibraryPath(env, javaLdLibraryPath);
- if (ldLibraryPath.c_str() != nullptr) {
- android_update_LD_LIBRARY_PATH(ldLibraryPath.c_str());
- }
- }
-
-#else
- LOG(WARNING) << "android_update_LD_LIBRARY_PATH not found; .so dependencies will not work!";
- UNUSED(javaLdLibraryPath, env);
-#endif
-}
-
-static jstring Runtime_nativeLoad(JNIEnv* env,
- jclass,
- jstring javaFilename,
- jobject javaLoader,
- jstring javaLibrarySearchPath) {
- ScopedUtfChars filename(env, javaFilename);
- if (filename.c_str() == nullptr) {
- return nullptr;
- }
-
- int32_t target_sdk_version = Runtime::Current()->GetTargetSdkVersion();
-
- // Starting with N nativeLoad uses classloader local
- // linker namespace instead of global LD_LIBRARY_PATH
- // (23 is Marshmallow). This call is here to preserve
- // backwards compatibility for the apps targeting sdk
- // version <= 23
- if (target_sdk_version == 0) {
- SetLdLibraryPath(env, javaLibrarySearchPath);
- }
-
- std::string error_msg;
- {
- JavaVMExt* vm = Runtime::Current()->GetJavaVM();
- bool success = vm->LoadNativeLibrary(env,
- filename.c_str(),
- javaLoader,
- javaLibrarySearchPath,
- &error_msg);
- if (success) {
- return nullptr;
- }
- }
-
- // Don't let a pending exception from JNI_OnLoad cause a CheckJNI issue with NewStringUTF.
- env->ExceptionClear();
- return env->NewStringUTF(error_msg.c_str());
-}
-
-static jlong Runtime_maxMemory(JNIEnv*, jclass) {
- return Runtime::Current()->GetHeap()->GetMaxMemory();
-}
-
-static jlong Runtime_totalMemory(JNIEnv*, jclass) {
- return Runtime::Current()->GetHeap()->GetTotalMemory();
-}
-
-static jlong Runtime_freeMemory(JNIEnv*, jclass) {
- return Runtime::Current()->GetHeap()->GetFreeMemory();
-}
-
-static JNINativeMethod gMethods[] = {
- NATIVE_METHOD(Runtime, freeMemory, "!()J"),
- NATIVE_METHOD(Runtime, gc, "()V"),
- NATIVE_METHOD(Runtime, maxMemory, "!()J"),
- NATIVE_METHOD(Runtime, nativeExit, "(I)V"),
- NATIVE_METHOD(Runtime, nativeLoad, "(Ljava/lang/String;Ljava/lang/ClassLoader;Ljava/lang/String;)Ljava/lang/String;"),
- NATIVE_METHOD(Runtime, totalMemory, "!()J"),
-};
-
-void register_java_lang_Runtime(JNIEnv* env) {
- REGISTER_NATIVE_METHODS("java/lang/Runtime");
-}
-
-} // namespace art