main.cpp

#define LOG_TAG "libemu"
#include <utils/Log.h>
#include <nativehelper/jni.h>

#define REGISTER_NATIVE(env, module) { \
	extern int register_##module(JNIEnv *); \
	if (register_##module(env) < 0) \
		return JNI_FALSE; \
}

/*
 * Register native methods for all classes we know about.
 *
 * returns JNI_TRUE on success.
 */
static int registerNatives(JNIEnv* env)
{
	REGISTER_NATIVE(env, Emulator);
	REGISTER_NATIVE(env, Cheats);

	return JNI_TRUE;
}


// ----------------------------------------------------------------------------

/*
 * This is called by the VM when the shared library is first loaded.
 */
 
typedef union {
	JNIEnv* env;
	void* venv;
} UnionJNIEnvToVoid;


__attribute__((visibility("default")))
jint JNI_OnLoad(JavaVM* vm, void* reserved)
{
	UnionJNIEnvToVoid uenv;
	uenv.venv = NULL;
	jint result = -1;
	JNIEnv* env = NULL;
	
	LOGI("JNI_OnLoad");

	if (vm->GetEnv(&uenv.venv, JNI_VERSION_1_4) != JNI_OK) {
		LOGE("ERROR: GetEnv failed");
		goto bail;
	}
	env = uenv.env;

	if (registerNatives(env) != JNI_TRUE) {
		LOGE("ERROR: registerNatives failed");
		goto bail;
	}
	
	result = JNI_VERSION_1_4;
	
bail:
	return result;
}