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/*
* Copyright (C) 2015 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 "jni.h"
#include "base/logging.h"
#include "dex_file-inl.h"
#include "mirror/class-inl.h"
#include "nth_caller_visitor.h"
#include "runtime.h"
#include "scoped_thread_state_change.h"
#include "stack.h"
#include "thread-inl.h"
namespace art {
static bool asserts_enabled = true;
// public static native void disableStackFrameAsserts();
// Note: to globally disable asserts in unsupported configurations.
extern "C" JNIEXPORT void JNICALL Java_Main_disableStackFrameAsserts(JNIEnv* env ATTRIBUTE_UNUSED,
jclass cls ATTRIBUTE_UNUSED) {
asserts_enabled = false;
}
// public static native boolean isInterpreted();
extern "C" JNIEXPORT jboolean JNICALL Java_Main_isInterpreted(JNIEnv* env, jclass) {
ScopedObjectAccess soa(env);
NthCallerVisitor caller(soa.Self(), 1, false);
caller.WalkStack();
CHECK(caller.caller != nullptr);
return caller.GetCurrentShadowFrame() != nullptr ? JNI_TRUE : JNI_FALSE;
}
// public static native void assertIsInterpreted();
extern "C" JNIEXPORT void JNICALL Java_Main_assertIsInterpreted(JNIEnv* env, jclass klass) {
if (asserts_enabled) {
CHECK(Java_Main_isInterpreted(env, klass));
}
}
// public static native boolean isManaged();
extern "C" JNIEXPORT jboolean JNICALL Java_Main_isManaged(JNIEnv* env, jclass cls) {
ScopedObjectAccess soa(env);
mirror::Class* klass = soa.Decode<mirror::Class*>(cls);
const DexFile& dex_file = klass->GetDexFile();
const OatFile::OatDexFile* oat_dex_file = dex_file.GetOatDexFile();
if (oat_dex_file == nullptr) {
// No oat file, this must be a test configuration that doesn't compile at all. Ignore that the
// result will be that we're running the interpreter.
return JNI_FALSE;
}
NthCallerVisitor caller(soa.Self(), 1, false);
caller.WalkStack();
CHECK(caller.caller != nullptr);
return caller.GetCurrentShadowFrame() != nullptr ? JNI_FALSE : JNI_TRUE;
}
// public static native void assertIsManaged();
extern "C" JNIEXPORT void JNICALL Java_Main_assertIsManaged(JNIEnv* env, jclass cls) {
if (asserts_enabled) {
CHECK(Java_Main_isManaged(env, cls));
}
}
} // namespace art
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