89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "jni.h"
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#include "base/logging.h"
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#include "dex_file-inl.h"
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#include "mirror/class-inl.h"
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#include "nth_caller_visitor.h"
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#include "runtime.h"
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#include "scoped_thread_state_change.h"
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#include "stack.h"
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#include "thread-inl.h"
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namespace art {
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static bool asserts_enabled = true;
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// public static native void disableStackFrameAsserts();
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// Note: to globally disable asserts in unsupported configurations.
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extern "C" JNIEXPORT void JNICALL Java_Main_disableStackFrameAsserts(JNIEnv* env ATTRIBUTE_UNUSED,
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jclass cls ATTRIBUTE_UNUSED) {
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asserts_enabled = false;
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}
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// public static native boolean isInterpreted();
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extern "C" JNIEXPORT jboolean JNICALL Java_Main_isInterpreted(JNIEnv* env, jclass) {
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ScopedObjectAccess soa(env);
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NthCallerVisitor caller(soa.Self(), 1, false);
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caller.WalkStack();
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CHECK(caller.caller != nullptr);
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return caller.GetCurrentShadowFrame() != nullptr ? JNI_TRUE : JNI_FALSE;
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}
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// public static native void assertIsInterpreted();
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extern "C" JNIEXPORT void JNICALL Java_Main_assertIsInterpreted(JNIEnv* env, jclass klass) {
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if (asserts_enabled) {
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CHECK(Java_Main_isInterpreted(env, klass));
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}
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}
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// public static native boolean isManaged();
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extern "C" JNIEXPORT jboolean JNICALL Java_Main_isManaged(JNIEnv* env, jclass cls) {
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ScopedObjectAccess soa(env);
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mirror::Class* klass = soa.Decode<mirror::Class*>(cls);
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const DexFile& dex_file = klass->GetDexFile();
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const OatFile::OatDexFile* oat_dex_file = dex_file.GetOatDexFile();
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if (oat_dex_file == nullptr) {
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// No oat file, this must be a test configuration that doesn't compile at all. Ignore that the
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// result will be that we're running the interpreter.
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return JNI_FALSE;
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}
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NthCallerVisitor caller(soa.Self(), 1, false);
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caller.WalkStack();
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CHECK(caller.caller != nullptr);
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return caller.GetCurrentShadowFrame() != nullptr ? JNI_FALSE : JNI_TRUE;
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}
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// public static native void assertIsManaged();
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extern "C" JNIEXPORT void JNICALL Java_Main_assertIsManaged(JNIEnv* env, jclass cls) {
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if (asserts_enabled) {
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CHECK(Java_Main_isManaged(env, cls));
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}
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}
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} // namespace art
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