filesig_v3_oidsize
fsgp->filesig_v3_oidsize =
elfsign_switch_uint32(fsgp->filesig_v3_oidsize);
fsgp->filesig_v3_oidsize = oid_len;
filesig_extract_str(fsdp, filesig_v3_oidsize,
#define filesig_v3_oidsize _u2.filesig_v3.filesig_v3_oidsize
uint32_t filesig_v3_oidsize;