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147 lines
7.0 KiB
147 lines
7.0 KiB
4 months ago
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/*
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* Copyright (C) 2016 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 <stdio.h>
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#ifndef NATIVE_METHOD
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#define NATIVE_METHOD(className, functionName, signature) \
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{ #functionName, signature, reinterpret_cast<void*>(className ## _ ## functionName) }
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#endif
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#define NELEM(x) (sizeof(x)/sizeof((x)[0]))
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#define GLUE4(a, b, c, d) a ## b ## c ## d
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#define GLUE4_(a, b, c, d) GLUE4(a, b, c, d)
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#define CLASS_NAME "benchmarks/MicroNative/java/NativeMethods"
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#define CLASS_INFIX benchmarks_MicroNative_java_NativeMethods
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#define NAME_NORMAL_JNI_METHOD(name) GLUE4_(Java_, CLASS_INFIX, _, name)
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#define NAME_CRITICAL_JNI_METHOD(name) GLUE4_(JavaCritical_, CLASS_INFIX, _, name)
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#define DEFINE_NORMAL_JNI_METHOD(ret, name) extern "C" JNIEXPORT ret JNICALL GLUE4_(Java_, CLASS_INFIX, _, name)
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#define DEFINE_CRITICAL_JNI_METHOD(ret, name) extern "C" JNIEXPORT ret JNICALL GLUE4_(JavaCritical_, CLASS_INFIX, _, name)
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static void NativeMethods_emptyJniStaticSynchronizedMethod0(JNIEnv*, jclass) { }
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static void NativeMethods_emptyJniSynchronizedMethod0(JNIEnv*, jclass) { }
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static JNINativeMethod gMethods_NormalOnly[] = {
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NATIVE_METHOD(NativeMethods, emptyJniStaticSynchronizedMethod0, "()V"),
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NATIVE_METHOD(NativeMethods, emptyJniSynchronizedMethod0, "()V"),
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};
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static void NativeMethods_emptyJniMethod0(JNIEnv*, jobject) { }
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static void NativeMethods_emptyJniMethod6(JNIEnv*, jobject, int, int, int, int, int, int) { }
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static void NativeMethods_emptyJniMethod6L(JNIEnv*, jobject, jobject, jarray, jarray, jobject,
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jarray, jarray) { }
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static void NativeMethods_emptyJniStaticMethod6L(JNIEnv*, jclass, jobject, jarray, jarray, jobject,
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jarray, jarray) { }
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static void NativeMethods_emptyJniStaticMethod0(JNIEnv*, jclass) { }
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static void NativeMethods_emptyJniStaticMethod6(JNIEnv*, jclass, int, int, int, int, int, int) { }
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static JNINativeMethod gMethods[] = {
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NATIVE_METHOD(NativeMethods, emptyJniMethod0, "()V"),
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NATIVE_METHOD(NativeMethods, emptyJniMethod6, "(IIIIII)V"),
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NATIVE_METHOD(NativeMethods, emptyJniMethod6L, "(Ljava/lang/String;[Ljava/lang/String;[[ILjava/lang/Object;[Ljava/lang/Object;[[[[Ljava/lang/Object;)V"),
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NATIVE_METHOD(NativeMethods, emptyJniStaticMethod6L, "(Ljava/lang/String;[Ljava/lang/String;[[ILjava/lang/Object;[Ljava/lang/Object;[[[[Ljava/lang/Object;)V"),
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NATIVE_METHOD(NativeMethods, emptyJniStaticMethod0, "()V"),
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NATIVE_METHOD(NativeMethods, emptyJniStaticMethod6, "(IIIIII)V"),
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};
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static void NativeMethods_emptyJniMethod0_Fast(JNIEnv*, jobject) { }
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static void NativeMethods_emptyJniMethod6_Fast(JNIEnv*, jobject, int, int, int, int, int, int) { }
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static void NativeMethods_emptyJniMethod6L_Fast(JNIEnv*, jobject, jobject, jarray, jarray, jobject,
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jarray, jarray) { }
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static void NativeMethods_emptyJniStaticMethod6L_Fast(JNIEnv*, jclass, jobject, jarray, jarray,
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jobject, jarray, jarray) { }
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static void NativeMethods_emptyJniStaticMethod0_Fast(JNIEnv*, jclass) { }
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static void NativeMethods_emptyJniStaticMethod6_Fast(JNIEnv*, jclass, int, int, int, int, int, int) { }
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static JNINativeMethod gMethods_Fast[] = {
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NATIVE_METHOD(NativeMethods, emptyJniMethod0_Fast, "()V"),
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NATIVE_METHOD(NativeMethods, emptyJniMethod6_Fast, "(IIIIII)V"),
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NATIVE_METHOD(NativeMethods, emptyJniMethod6L_Fast, "(Ljava/lang/String;[Ljava/lang/String;[[ILjava/lang/Object;[Ljava/lang/Object;[[[[Ljava/lang/Object;)V"),
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NATIVE_METHOD(NativeMethods, emptyJniStaticMethod6L_Fast, "(Ljava/lang/String;[Ljava/lang/String;[[ILjava/lang/Object;[Ljava/lang/Object;[[[[Ljava/lang/Object;)V"),
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NATIVE_METHOD(NativeMethods, emptyJniStaticMethod0_Fast, "()V"),
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NATIVE_METHOD(NativeMethods, emptyJniStaticMethod6_Fast, "(IIIIII)V"),
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};
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// Have both a Java_ and a JavaCritical_ version of the same empty method.
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// The runtime automatically selects the right one when doing a dlsym-based native lookup.
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DEFINE_NORMAL_JNI_METHOD(void, emptyJniStaticMethod0_1Critical)(JNIEnv*, jclass) { }
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DEFINE_CRITICAL_JNI_METHOD(void, emptyJniStaticMethod0_1Critical)() { }
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DEFINE_NORMAL_JNI_METHOD(void, emptyJniStaticMethod6_1Critical)(JNIEnv*, jclass, int, int, int, int, int, int) { }
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DEFINE_CRITICAL_JNI_METHOD(void, emptyJniStaticMethod6_1Critical)(int, int, int, int, int, int) { }
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static JNINativeMethod gMethods_Critical[] = {
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// Don't use NATIVE_METHOD because the name is mangled differently.
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{ "emptyJniStaticMethod0_Critical", "()V",
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reinterpret_cast<void*>(NAME_CRITICAL_JNI_METHOD(emptyJniStaticMethod0_1Critical)) },
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{ "emptyJniStaticMethod6_Critical", "(IIIIII)V",
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reinterpret_cast<void*>(NAME_CRITICAL_JNI_METHOD(emptyJniStaticMethod6_1Critical)) }
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};
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void jniRegisterNativeMethods(JNIEnv* env,
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const char* className,
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const JNINativeMethod* methods,
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int numMethods) {
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jclass c = env->FindClass(className);
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if (c == nullptr) {
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char* tmp;
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const char* msg;
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if (asprintf(&tmp,
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"Native registration unable to find class '%s'; aborting...",
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className) == -1) {
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// Allocation failed, print default warning.
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msg = "Native registration unable to find class; aborting...";
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} else {
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msg = tmp;
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}
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env->FatalError(msg);
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}
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if (env->RegisterNatives(c, methods, numMethods) < 0) {
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char* tmp;
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const char* msg;
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if (asprintf(&tmp, "RegisterNatives failed for '%s'; aborting...", className) == -1) {
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// Allocation failed, print default warning.
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msg = "RegisterNatives failed; aborting...";
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} else {
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msg = tmp;
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}
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env->FatalError(msg);
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}
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}
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void register_micro_native_methods(JNIEnv* env) {
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jniRegisterNativeMethods(env, CLASS_NAME, gMethods_NormalOnly, NELEM(gMethods_NormalOnly));
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jniRegisterNativeMethods(env, CLASS_NAME, gMethods, NELEM(gMethods));
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jniRegisterNativeMethods(env, CLASS_NAME, gMethods_Fast, NELEM(gMethods_Fast));
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if (env->FindClass("dalvik/annotation/optimization/CriticalNative") != nullptr) {
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// Only register them explicitly if the annotation is present.
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jniRegisterNativeMethods(env, CLASS_NAME, gMethods_Critical, NELEM(gMethods_Critical));
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} else {
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if (env->ExceptionCheck()) {
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// It will throw NoClassDefFoundError
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env->ExceptionClear();
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}
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}
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// else let them be registered implicitly.
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}
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