1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.apache.harmony.dalvik; 18 19 import dalvik.annotation.optimization.CriticalNative; 20 import dalvik.annotation.optimization.FastNative; 21 22 /** 23 * Methods used to test calling into native code. The methods in this 24 * class are all effectively no-ops and may be used to test the mechanisms 25 * and performance of calling native methods. 26 */ 27 public final class NativeTestTarget { NativeTestTarget()28 public NativeTestTarget() { 29 } 30 31 /** 32 * This is used to benchmark dalvik's inline natives. 33 */ emptyInlineMethod()34 public static void emptyInlineMethod() { 35 } 36 37 /** 38 * This is used to benchmark dalvik's inline natives. 39 */ emptyInternalStaticMethod()40 public static native void emptyInternalStaticMethod(); 41 42 // Synchronized methods. Test normal JNI only. emptyJniStaticSynchronizedMethod0()43 public static native synchronized void emptyJniStaticSynchronizedMethod0(); emptyJniSynchronizedMethod0()44 public native synchronized void emptyJniSynchronizedMethod0(); 45 46 // Static methods without object parameters. Test all optimization combinations. 47 48 // Normal native. emptyJniStaticMethod0()49 public static native void emptyJniStaticMethod0(); 50 // Normal native. emptyJniStaticMethod6(int a, int b, int c, int d, int e, int f)51 public static native void emptyJniStaticMethod6(int a, int b, int c, int d, int e, int f); 52 53 @FastNative emptyJniStaticMethod0_Fast()54 public static native void emptyJniStaticMethod0_Fast(); 55 @FastNative emptyJniStaticMethod6_Fast(int a, int b, int c, int d, int e, int f)56 public static native void emptyJniStaticMethod6_Fast(int a, int b, int c, int d, int e, int f); 57 58 @CriticalNative emptyJniStaticMethod0_Critical()59 public static native void emptyJniStaticMethod0_Critical(); 60 @CriticalNative emptyJniStaticMethod6_Critical(int a, int b, int c, int d, int e, int f)61 public static native void emptyJniStaticMethod6_Critical(int a, int b, int c, int d, int e, int f); 62 // Instance methods or methods with object parameters. Test {Normal, @FastNative} combinations. 63 64 // Normal native. emptyJniMethod0()65 public native void emptyJniMethod0(); 66 // Normal native. emptyJniMethod6(int a, int b, int c, int d, int e, int f)67 public native void emptyJniMethod6(int a, int b, int c, int d, int e, int f); 68 69 /** 70 * This is an empty native static method with six args, hooked up 71 * using JNI. These have more complex args to show the cost of 72 * parsing the signature. All six values should be null 73 * references. 74 */ 75 // Normal native. emptyJniStaticMethod6L(String a, String[] b, int[][] c, Object d, Object[] e, Object[][][][] f)76 public static native void emptyJniStaticMethod6L(String a, String[] b, 77 int[][] c, Object d, Object[] e, Object[][][][] f); 78 79 // Normal native. emptyJniMethod6L(String a, String[] b, int[][] c, Object d, Object[] e, Object[][][][] f)80 public native void emptyJniMethod6L(String a, String[] b, 81 int[][] c, Object d, Object[] e, Object[][][][] f); 82 83 @FastNative emptyJniMethod0_Fast()84 public native void emptyJniMethod0_Fast(); 85 @FastNative emptyJniMethod6_Fast(int a, int b, int c, int d, int e, int f)86 public native void emptyJniMethod6_Fast(int a, int b, int c, int d, int e, int f); 87 88 /** 89 * This is an empty native static method with six args, hooked up 90 * using JNI. These have more complex args to show the cost of 91 * parsing the signature. All six values should be null 92 * references. 93 */ 94 @FastNative emptyJniStaticMethod6L_Fast(String a, String[] b, int[][] c, Object d, Object[] e, Object[][][][] f)95 public static native void emptyJniStaticMethod6L_Fast(String a, String[] b, 96 int[][] c, Object d, Object[] e, Object[][][][] f); 97 98 @FastNative emptyJniMethod6L_Fast(String a, String[] b, int[][] c, Object d, Object[] e, Object[][][][] f)99 public native void emptyJniMethod6L_Fast(String a, String[] b, 100 int[][] c, Object d, Object[] e, Object[][][][] f); 101 } 102