sync_backup_region_phdr
extern void sync_backup_region_phdr(struct kimage *image, Elf64_Ehdr *ehdr,
sync_backup_region_phdr(image, (Elf64_Ehdr *) ptr, true);
sync_backup_region_phdr(image, (Elf64_Ehdr *) elfbuf, false);
sync_backup_region_phdr(image, headers, false);