ELF_PAGEOFFSET
nbyte = ELF_PAGEOFFSET(address);
unsigned long size = eppnt->p_filesz + ELF_PAGEOFFSET(eppnt->p_vaddr);
unsigned long off = eppnt->p_offset - ELF_PAGEOFFSET(eppnt->p_vaddr);
zero_start = map_addr + ELF_PAGEOFFSET(eppnt->p_vaddr) +
zero_end = map_addr + ELF_PAGEOFFSET(eppnt->p_vaddr) +
zero_end = zero_start + ELF_PAGEOFFSET(eppnt->p_vaddr) +