S+0 Struct(size: 8) S+8 Struct(size: 8) S+16 Struct(size: 8) S+24 Struct(size: 8) S+32 Struct(size: 8) S+40 Struct(size: 8) S+48 Struct(size: 8) S+56 Struct(size: 8) S+64 Struct(size: 8) S+72 Struct(size: 8) => P(rdi int64, ret:rax int64) Struct(size: 8)