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