bsd/kern/mach_loader.c

232     struct segment_command_64 *scp)
234 	scp->cmd = scp32->cmd;
235 	scp->cmdsize = scp32->cmdsize;
236 	bcopy(scp32->segname, scp->segname, sizeof(scp->segname));
237 	scp->vmaddr = scp32->vmaddr;
238 	scp->vmsize = scp32->vmsize;
239 	scp->fileoff = scp32->fileoff;
240 	scp->filesize = scp32->filesize;
241 	scp->maxprot = scp32->maxprot;
242 	scp->initprot = scp32->initprot;
243 	scp->nsects = scp32->nsects;
244 	scp->flags = scp32->flags;
248 note_all_image_info_section(const struct segment_command_64 *scp,
258 	if (strncmp(scp->segname, "__DATA", sizeof(scp->segname)) != 0)
260 	for (i = 0; i < scp->nsects; ++i) {
868 	struct segment_command_64 segment_command, *scp;
890 		scp = (struct segment_command_64 *)lcp;
892 		scp = &segment_command;
893 		widen_segment_command((struct segment_command *)lcp, scp);
900 	if (scp->fileoff + scp->filesize < scp->fileoff ||
901 	    scp->fileoff + scp->filesize > (uint64_t)macho_size)
907 	if (total_section_size / single_section_size < scp->nsects)
912 	if ((scp->fileoff & PAGE_MASK_64) != 0)
918 	seg_size = round_page_64(scp->vmsize);
919 	map_size = round_page_64(scp->filesize);
920 	map_addr = trunc_page_64(scp->vmaddr); /* JVXXX note that in XNU TOT this is round instead of trunc for 64 bits */
926 	    (scp->initprot & VM_PROT_ALL) == VM_PROT_NONE &&
927 	    (scp->maxprot & VM_PROT_ALL) == VM_PROT_NONE) {
940 		if (scp->cmd == LC_SEGMENT_64) {
971 	map_offset = pager_offset + scp->fileoff;	/* limited to 32 bits */
974 		initprot = (scp->initprot) & VM_PROT_ALL;
975 		maxprot = (scp->maxprot) & VM_PROT_ALL;
991 		delta_size = map_size - scp->filesize;
1000 			if (copyout(tmp, map_addr + scp->filesize,
1023 				  scp->initprot, scp->maxprot,
1029 	if ( (scp->fileoff == 0) && (scp->filesize != 0) )
1032 	if (scp->flags & SG_PROTECTED_VERSION_1) {
1033 		ret = unprotect_segment(scp->fileoff,
1034 					scp->filesize,
1045 		note_all_image_info_section(scp,