core_reloc_primitives
.output = PRIMITIVES_DATA(core_reloc_primitives), \
.output_len = sizeof(struct core_reloc_primitives), \
void f(struct core_reloc_primitives x) {}
struct core_reloc_primitives *in = (void *)&data.in;
struct core_reloc_primitives *out = (void *)&data.out;