offset = amd64obsd_uthread_reg_offset[AMD64_RIP_REGNUM] + 8;
store_unsigned_integer (buf, 8, byte_order, sp + offset);
regcache->raw_supply (AMD64_RSP_REGNUM, buf);
offset = amd64obsd_uthread_reg_offset[AMD64_RIP_REGNUM] + 8;
store_unsigned_integer (buf, 8, byte_order, sp + offset);
regcache->raw_supply (AMD64_RSP_REGNUM, buf);