18afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian/* 28afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * Copyright (C) 2011 The Android Open Source Project 38afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * 48afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 58afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * you may not use this file except in compliance with the License. 68afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * You may obtain a copy of the License at 78afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * 88afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 98afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * 108afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * Unless required by applicable law or agreed to in writing, software 118afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 128afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * See the License for the specific language governing permissions and 148afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian * limitations under the License. 158afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian */ 168afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian 17c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian#include <dlfcn.h> 18c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian 1992516c84ef2a167524007a0584fb26018b5cb9c4Greg Hackmann#include <cutils/log.h> 208afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian 218afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian#include "jni.h" 228afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian#include "DdmConnection.h" 238afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian 248afb7e39a83a3e31170612d562eb08508e328388Mathias Agopiannamespace android { 258afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian 2663f165fd6b86d04be94d4023e845e98560504a96Keun young Parkvoid DdmConnection_start(const char* name) { 2763f165fd6b86d04be94d4023e845e98560504a96Keun young Park ALOGI("DdmConnection_start"); 2863f165fd6b86d04be94d4023e845e98560504a96Keun young Park DdmConnection::start(name); 2963f165fd6b86d04be94d4023e845e98560504a96Keun young Park} 30c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian 318afb7e39a83a3e31170612d562eb08508e328388Mathias Agopianvoid DdmConnection::start(const char* name) { 328afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian JavaVM* vm; 338afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian JNIEnv* env; 348afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian 358afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian // start a VM 368afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian JavaVMInitArgs args; 378afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian JavaVMOption opt; 388afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian 398afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian opt.optionString = 408afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 418afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian 428afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian args.version = JNI_VERSION_1_4; 438afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian args.options = &opt; 448afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian args.nOptions = 1; 458afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian args.ignoreUnrecognized = JNI_FALSE; 468afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian 47c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian 48aefe55f0fb9e69be205497ef4fc3432d2f7a2d8bBrian Carlstrom // TODO: Should this just link against libnativehelper and use its 49aefe55f0fb9e69be205497ef4fc3432d2f7a2d8bBrian Carlstrom // JNI_CreateJavaVM wrapper that essential does this dlopen/dlsym 50aefe55f0fb9e69be205497ef4fc3432d2f7a2d8bBrian Carlstrom // work based on the current system default runtime? 51aefe55f0fb9e69be205497ef4fc3432d2f7a2d8bBrian Carlstrom void* libart_dso = dlopen("libart.so", RTLD_NOW); 52aefe55f0fb9e69be205497ef4fc3432d2f7a2d8bBrian Carlstrom ALOGE_IF(!libart_dso, "DdmConnection: %s", dlerror()); 53c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian 54c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian void* libandroid_runtime_dso = dlopen("libandroid_runtime.so", RTLD_NOW); 55c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian ALOGE_IF(!libandroid_runtime_dso, "DdmConnection: %s", dlerror()); 56c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian 57aefe55f0fb9e69be205497ef4fc3432d2f7a2d8bBrian Carlstrom if (!libart_dso || !libandroid_runtime_dso) { 58c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian goto error; 59c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian } 60c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian 61c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian jint (*JNI_CreateJavaVM)(JavaVM** p_vm, JNIEnv** p_env, void* vm_args); 62aefe55f0fb9e69be205497ef4fc3432d2f7a2d8bBrian Carlstrom JNI_CreateJavaVM = (typeof JNI_CreateJavaVM)dlsym(libart_dso, "JNI_CreateJavaVM"); 63c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian ALOGE_IF(!JNI_CreateJavaVM, "DdmConnection: %s", dlerror()); 64c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian 65c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian jint (*registerNatives)(JNIEnv* env, jclass clazz); 66c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian registerNatives = (typeof registerNatives)dlsym(libandroid_runtime_dso, 67c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian "Java_com_android_internal_util_WithFramework_registerNatives"); 68c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian ALOGE_IF(!registerNatives, "DdmConnection: %s", dlerror()); 69c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian 70c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian if (!JNI_CreateJavaVM || !registerNatives) { 71c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian goto error; 72c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian } 73c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian 748afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian if (JNI_CreateJavaVM(&vm, &env, &args) == 0) { 758afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian jclass startClass; 768afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian jmethodID startMeth; 778afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian 788afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian // register native code 79c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian if (registerNatives(env, 0) == 0) { 808afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian // set our name by calling DdmHandleAppName.setAppName() 818afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian startClass = env->FindClass("android/ddm/DdmHandleAppName"); 828afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian if (startClass) { 838afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian startMeth = env->GetStaticMethodID(startClass, 841b3aeb4844fe198c1fb61064d0cec3f5ac63f7d3Mathias Agopian "setAppName", "(Ljava/lang/String;I)V"); 858afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian if (startMeth) { 868afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian jstring str = env->NewStringUTF(name); 871b3aeb4844fe198c1fb61064d0cec3f5ac63f7d3Mathias Agopian env->CallStaticVoidMethod(startClass, startMeth, str, getuid()); 888afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian env->DeleteLocalRef(str); 898afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian } 908afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian } 918afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian 928afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian // initialize DDMS communication by calling 938afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian // DdmRegister.registerHandlers() 948afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian startClass = env->FindClass("android/ddm/DdmRegister"); 958afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian if (startClass) { 968afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian startMeth = env->GetStaticMethodID(startClass, 978afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian "registerHandlers", "()V"); 988afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian if (startMeth) { 998afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian env->CallStaticVoidMethod(startClass, startMeth); 1008afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian } 1018afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian } 1028afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian } 1038afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian } 104c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian return; 105c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian 106c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopianerror: 107c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian if (libandroid_runtime_dso) { 108c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian dlclose(libandroid_runtime_dso); 109c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian } 110aefe55f0fb9e69be205497ef4fc3432d2f7a2d8bBrian Carlstrom if (libart_dso) { 111aefe55f0fb9e69be205497ef4fc3432d2f7a2d8bBrian Carlstrom dlclose(libart_dso); 112c1d359d42b753fcc2426d66a0f782f7c300893bcMathias Agopian } 1138afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian} 1148afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian 1158afb7e39a83a3e31170612d562eb08508e328388Mathias Agopian}; // namespace android 116