74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
#include "runtime.hpp"
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#include "../jni.hpp"
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#include <cassert>
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#include <dlfcn.h>
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#include <jni.h>
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#include <signal.h>
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#include <string>
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// Required for art / libsigchain
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extern "C" JNIEXPORT void EnsureFrontOfChain(int, struct sigaction*) { }
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extern "C" JNIEXPORT void AddSpecialSignalHandlerFn(int, void*) { }
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extern "C" JNIEXPORT void RemoveSpecialSignalHandlerFn(int, bool (*) (int, siginfo_t*, void*)) { }
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namespace {
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const std::string kClassPathCommand{"--class_path="};
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const std::string kClassPath{"-Djava.class.path="};
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const std::string kDefaultDex{"/data/local/tmp/core-tests/classes.dex"};
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} // namespace
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namespace mbgl {
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namespace android {
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bool initRuntime(int argc, char *argv[]) {
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void* vmHandle = dlopen("libart.so", RTLD_NOW);
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assert(vmHandle != nullptr);
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using CreateJavaVMFn = jint (*)(JavaVM** vm, JNIEnv** env, void* vmArgs);
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CreateJavaVMFn createJavaVMFn = reinterpret_cast<CreateJavaVMFn>(dlsym(vmHandle, "JNI_CreateJavaVM"));
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assert(createJavaVMFn != nullptr);
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std::string classPath = kClassPath + kDefaultDex;
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for (int i = 0; i < argc; ++i) {
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const std::string arg{argv[i]};
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if (arg.compare(0, kClassPathCommand.length(), kClassPathCommand) == 0) {
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classPath = kClassPath + arg.substr(kClassPathCommand.length());
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break;
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}
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}
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JavaVMOption options[1];
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options[0].optionString = classPath.c_str();
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JavaVMInitArgs args;
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args.version = JNI_VERSION_1_6;
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args.nOptions = 1;
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args.options = options;
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args.ignoreUnrecognized = JNI_FALSE;
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JavaVM* vm;
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JNIEnv* env;
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if (createJavaVMFn(&vm, &env, &args) != JNI_OK) {
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return false;
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}
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void* runtimeHandle = dlopen("libandroid_runtime.so", RTLD_NOW);
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assert(runtimeHandle != nullptr);
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using RegisterNativesFn = jint (*)(JNIEnv* env);
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RegisterNativesFn registerNativesFn = reinterpret_cast<RegisterNativesFn>(dlsym(runtimeHandle, "registerFrameworkNatives"));
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assert(registerNativesFn != nullptr);
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if (registerNativesFn(env) != JNI_OK) {
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return false;
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}
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mbgl::android::registerNatives(vm);
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return true;
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}
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} // namespace android
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} // namespace mbgl
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