Igor Murashkin | 017efa8 | 2016-09-22 15:46:29 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 | |
Igor Murashkin | f5658b4 | 2016-09-30 14:12:14 -0700 | [diff] [blame] | 17 | #include <jni.h> |
Andreas Gampe | 8cf9cb3 | 2017-07-19 09:28:38 -0700 | [diff] [blame] | 18 | #include <stdio.h> |
Igor Murashkin | f5658b4 | 2016-09-30 14:12:14 -0700 | [diff] [blame] | 19 | |
| 20 | #ifndef NATIVE_METHOD |
| 21 | #define NATIVE_METHOD(className, functionName, signature) \ |
| 22 | { #functionName, signature, reinterpret_cast<void*>(className ## _ ## functionName) } |
| 23 | #endif |
| 24 | #define NELEM(x) (sizeof(x)/sizeof((x)[0])) |
| 25 | |
| 26 | #define GLUE4(a, b, c, d) a ## b ## c ## d |
| 27 | #define GLUE4_(a, b, c, d) GLUE4(a, b, c, d) |
Igor Murashkin | 017efa8 | 2016-09-22 15:46:29 -0700 | [diff] [blame] | 28 | |
| 29 | #define CLASS_NAME "benchmarks/MicroNative/java/NativeMethods" |
Igor Murashkin | f5658b4 | 2016-09-30 14:12:14 -0700 | [diff] [blame] | 30 | #define CLASS_INFIX benchmarks_MicroNative_java_NativeMethods |
Igor Murashkin | 017efa8 | 2016-09-22 15:46:29 -0700 | [diff] [blame] | 31 | |
Igor Murashkin | f5658b4 | 2016-09-30 14:12:14 -0700 | [diff] [blame] | 32 | #define NAME_NORMAL_JNI_METHOD(name) GLUE4_(Java_, CLASS_INFIX, _, name) |
| 33 | #define NAME_CRITICAL_JNI_METHOD(name) GLUE4_(JavaCritical_, CLASS_INFIX, _, name) |
| 34 | |
| 35 | #define DEFINE_NORMAL_JNI_METHOD(ret, name) extern "C" JNIEXPORT ret JNICALL GLUE4_(Java_, CLASS_INFIX, _, name) |
| 36 | #define DEFINE_CRITICAL_JNI_METHOD(ret, name) extern "C" JNIEXPORT ret JNICALL GLUE4_(JavaCritical_, CLASS_INFIX, _, name) |
Igor Murashkin | 017efa8 | 2016-09-22 15:46:29 -0700 | [diff] [blame] | 37 | |
| 38 | static void NativeMethods_emptyJniStaticSynchronizedMethod0(JNIEnv*, jclass) { } |
| 39 | static void NativeMethods_emptyJniSynchronizedMethod0(JNIEnv*, jclass) { } |
| 40 | |
| 41 | static JNINativeMethod gMethods_NormalOnly[] = { |
| 42 | NATIVE_METHOD(NativeMethods, emptyJniStaticSynchronizedMethod0, "()V"), |
| 43 | NATIVE_METHOD(NativeMethods, emptyJniSynchronizedMethod0, "()V"), |
| 44 | }; |
| 45 | |
| 46 | static void NativeMethods_emptyJniMethod0(JNIEnv*, jobject) { } |
| 47 | static void NativeMethods_emptyJniMethod6(JNIEnv*, jobject, int, int, int, int, int, int) { } |
| 48 | static void NativeMethods_emptyJniMethod6L(JNIEnv*, jobject, jobject, jarray, jarray, jobject, |
| 49 | jarray, jarray) { } |
| 50 | static void NativeMethods_emptyJniStaticMethod6L(JNIEnv*, jclass, jobject, jarray, jarray, jobject, |
| 51 | jarray, jarray) { } |
| 52 | |
| 53 | static void NativeMethods_emptyJniStaticMethod0(JNIEnv*, jclass) { } |
| 54 | static void NativeMethods_emptyJniStaticMethod6(JNIEnv*, jclass, int, int, int, int, int, int) { } |
| 55 | |
| 56 | static JNINativeMethod gMethods[] = { |
| 57 | NATIVE_METHOD(NativeMethods, emptyJniMethod0, "()V"), |
| 58 | NATIVE_METHOD(NativeMethods, emptyJniMethod6, "(IIIIII)V"), |
| 59 | NATIVE_METHOD(NativeMethods, emptyJniMethod6L, "(Ljava/lang/String;[Ljava/lang/String;[[ILjava/lang/Object;[Ljava/lang/Object;[[[[Ljava/lang/Object;)V"), |
| 60 | NATIVE_METHOD(NativeMethods, emptyJniStaticMethod6L, "(Ljava/lang/String;[Ljava/lang/String;[[ILjava/lang/Object;[Ljava/lang/Object;[[[[Ljava/lang/Object;)V"), |
| 61 | NATIVE_METHOD(NativeMethods, emptyJniStaticMethod0, "()V"), |
| 62 | NATIVE_METHOD(NativeMethods, emptyJniStaticMethod6, "(IIIIII)V"), |
| 63 | }; |
| 64 | |
| 65 | static void NativeMethods_emptyJniMethod0_Fast(JNIEnv*, jobject) { } |
| 66 | static void NativeMethods_emptyJniMethod6_Fast(JNIEnv*, jobject, int, int, int, int, int, int) { } |
| 67 | static void NativeMethods_emptyJniMethod6L_Fast(JNIEnv*, jobject, jobject, jarray, jarray, jobject, |
| 68 | jarray, jarray) { } |
| 69 | static void NativeMethods_emptyJniStaticMethod6L_Fast(JNIEnv*, jclass, jobject, jarray, jarray, |
| 70 | jobject, jarray, jarray) { } |
| 71 | |
| 72 | static void NativeMethods_emptyJniStaticMethod0_Fast(JNIEnv*, jclass) { } |
| 73 | static void NativeMethods_emptyJniStaticMethod6_Fast(JNIEnv*, jclass, int, int, int, int, int, int) { } |
| 74 | |
| 75 | static JNINativeMethod gMethods_Fast[] = { |
| 76 | NATIVE_METHOD(NativeMethods, emptyJniMethod0_Fast, "()V"), |
| 77 | NATIVE_METHOD(NativeMethods, emptyJniMethod6_Fast, "(IIIIII)V"), |
| 78 | NATIVE_METHOD(NativeMethods, emptyJniMethod6L_Fast, "(Ljava/lang/String;[Ljava/lang/String;[[ILjava/lang/Object;[Ljava/lang/Object;[[[[Ljava/lang/Object;)V"), |
| 79 | NATIVE_METHOD(NativeMethods, emptyJniStaticMethod6L_Fast, "(Ljava/lang/String;[Ljava/lang/String;[[ILjava/lang/Object;[Ljava/lang/Object;[[[[Ljava/lang/Object;)V"), |
| 80 | NATIVE_METHOD(NativeMethods, emptyJniStaticMethod0_Fast, "()V"), |
| 81 | NATIVE_METHOD(NativeMethods, emptyJniStaticMethod6_Fast, "(IIIIII)V"), |
| 82 | }; |
| 83 | |
Igor Murashkin | f5658b4 | 2016-09-30 14:12:14 -0700 | [diff] [blame] | 84 | // Have both a Java_ and a JavaCritical_ version of the same empty method. |
| 85 | // The runtime automatically selects the right one when doing a dlsym-based native lookup. |
| 86 | DEFINE_NORMAL_JNI_METHOD(void, emptyJniStaticMethod0_1Critical)(JNIEnv*, jclass) { } |
| 87 | DEFINE_CRITICAL_JNI_METHOD(void, emptyJniStaticMethod0_1Critical)() { } |
| 88 | DEFINE_NORMAL_JNI_METHOD(void, emptyJniStaticMethod6_1Critical)(JNIEnv*, jclass, int, int, int, int, int, int) { } |
| 89 | DEFINE_CRITICAL_JNI_METHOD(void, emptyJniStaticMethod6_1Critical)(int, int, int, int, int, int) { } |
Igor Murashkin | 017efa8 | 2016-09-22 15:46:29 -0700 | [diff] [blame] | 90 | |
| 91 | static JNINativeMethod gMethods_Critical[] = { |
Igor Murashkin | f5658b4 | 2016-09-30 14:12:14 -0700 | [diff] [blame] | 92 | // Don't use NATIVE_METHOD because the name is mangled differently. |
| 93 | { "emptyJniStaticMethod0_Critical", "()V", |
| 94 | reinterpret_cast<void*>(NAME_CRITICAL_JNI_METHOD(emptyJniStaticMethod0_1Critical)) }, |
| 95 | { "emptyJniStaticMethod6_Critical", "(IIIIII)V", |
| 96 | reinterpret_cast<void*>(NAME_CRITICAL_JNI_METHOD(emptyJniStaticMethod6_1Critical)) } |
Igor Murashkin | 017efa8 | 2016-09-22 15:46:29 -0700 | [diff] [blame] | 97 | }; |
| 98 | |
Igor Murashkin | f5658b4 | 2016-09-30 14:12:14 -0700 | [diff] [blame] | 99 | void jniRegisterNativeMethods(JNIEnv* env, |
| 100 | const char* className, |
| 101 | const JNINativeMethod* methods, |
| 102 | int numMethods) { |
| 103 | jclass c = env->FindClass(className); |
| 104 | if (c == nullptr) { |
| 105 | char* tmp; |
| 106 | const char* msg; |
| 107 | if (asprintf(&tmp, |
| 108 | "Native registration unable to find class '%s'; aborting...", |
| 109 | className) == -1) { |
| 110 | // Allocation failed, print default warning. |
| 111 | msg = "Native registration unable to find class; aborting..."; |
| 112 | } else { |
| 113 | msg = tmp; |
| 114 | } |
| 115 | env->FatalError(msg); |
| 116 | } |
| 117 | |
| 118 | if (env->RegisterNatives(c, methods, numMethods) < 0) { |
| 119 | char* tmp; |
| 120 | const char* msg; |
| 121 | if (asprintf(&tmp, "RegisterNatives failed for '%s'; aborting...", className) == -1) { |
| 122 | // Allocation failed, print default warning. |
| 123 | msg = "RegisterNatives failed; aborting..."; |
| 124 | } else { |
| 125 | msg = tmp; |
| 126 | } |
| 127 | env->FatalError(msg); |
| 128 | } |
| 129 | } |
| 130 | |
Igor Murashkin | 017efa8 | 2016-09-22 15:46:29 -0700 | [diff] [blame] | 131 | void register_micro_native_methods(JNIEnv* env) { |
| 132 | jniRegisterNativeMethods(env, CLASS_NAME, gMethods_NormalOnly, NELEM(gMethods_NormalOnly)); |
| 133 | jniRegisterNativeMethods(env, CLASS_NAME, gMethods, NELEM(gMethods)); |
| 134 | jniRegisterNativeMethods(env, CLASS_NAME, gMethods_Fast, NELEM(gMethods_Fast)); |
Igor Murashkin | f5658b4 | 2016-09-30 14:12:14 -0700 | [diff] [blame] | 135 | |
| 136 | if (env->FindClass("dalvik/annotation/optimization/CriticalNative") != nullptr) { |
| 137 | // Only register them explicitly if the annotation is present. |
| 138 | jniRegisterNativeMethods(env, CLASS_NAME, gMethods_Critical, NELEM(gMethods_Critical)); |
| 139 | } else { |
| 140 | if (env->ExceptionCheck()) { |
| 141 | // It will throw NoClassDefFoundError |
| 142 | env->ExceptionClear(); |
| 143 | } |
| 144 | } |
| 145 | // else let them be registered implicitly. |
Igor Murashkin | 017efa8 | 2016-09-22 15:46:29 -0700 | [diff] [blame] | 146 | } |