void mono_gc_add_memory_pressure (gint64 value);
MONO_API int mono_gc_register_root (char *start, size_t size, MonoGCDescriptor descr, MonoGCRootSource source, const char *msg);
void mono_gc_deregister_root (char* addr);
void mono_gc_add_memory_pressure (gint64 value);
MONO_API int mono_gc_register_root (char *start, size_t size, MonoGCDescriptor descr, MonoGCRootSource source, const char *msg);
void mono_gc_deregister_root (char* addr);