1 /* 2 * Copyright (C) 2009 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 #include <string.h> 18 #include <jni.h> 19 20 /* This is a trivial JNI example where we use a native method 21 * to return a new VM String. See the corresponding Java source 22 * file located at: 23 * 24 * apps/samples/hello-jni/project/src/com/example/hellojni/HelloJni.java 25 */ 26 jstring 27 Java_com_example_hellojni_HelloJni_stringFromJNI( JNIEnv* env, 28 jobject thiz ) 29 { 30 #if defined(__arm__) 31 #if defined(__ARM_ARCH_7A__) 32 #if defined(__ARM_NEON__) 33 #if defined(__ARM_PCS_VFP) 34 #define ABI "armeabi-v7a/NEON (hard-float)" 35 #else 36 #define ABI "armeabi-v7a/NEON" 37 #endif 38 #else 39 #if defined(__ARM_PCS_VFP) 40 #define ABI "armeabi-v7a (hard-float)" 41 #else 42 #define ABI "armeabi-v7a" 43 #endif 44 #endif 45 #else 46 #define ABI "armeabi" 47 #endif 48 #elif defined(__i386__) 49 #define ABI "x86" 50 #elif defined(__x86_64__) 51 #define ABI "x86_64" 52 #elif defined(__mips64) /* mips64el-* toolchain defines __mips__ too */ 53 #define ABI "mips64" 54 #elif defined(__mips__) 55 #define ABI "mips" 56 #elif defined(__aarch64__) 57 #define ABI "arm64-v8a" 58 #else 59 #define ABI "unknown" 60 #endif 61 62 return (*env)->NewStringUTF(env, "Hello from JNI ! Compiled with ABI " ABI "."); 63 } 64
