EM_BPF
if (ehdr->e_type != ET_REL || (ehdr->e_machine && ehdr->e_machine != EM_BPF)) {
#ifndef EM_BPF
linker->elf_hdr->e_machine = EM_BPF;
|| ehdr->e_machine != EM_BPF
if (!ehdr || ehdr->e_type != ET_REL || (ehdr->e_machine && ehdr->e_machine != EM_BPF))