300     struct segment_command_64 *scp)  in widen_segment_command()  argument
302 	scp->cmd = scp32->cmd;  in widen_segment_command()
303 	scp->cmdsize = scp32->cmdsize;  in widen_segment_command()
304 	bcopy(scp32->segname, scp->segname, sizeof(scp->segname));  in widen_segment_command()
305 	scp->vmaddr = scp32->vmaddr;  in widen_segment_command()
306 	scp->vmsize = scp32->vmsize;  in widen_segment_command()
307 	scp->fileoff = scp32->fileoff;  in widen_segment_command()
308 	scp->filesize = scp32->filesize;  in widen_segment_command()
309 	scp->maxprot = scp32->maxprot;  in widen_segment_command()
310 	scp->initprot = scp32->initprot;  in widen_segment_command()
311 	scp->nsects = scp32->nsects;  in widen_segment_command()
312 	scp->flags = scp32->flags;  in widen_segment_command()
316 note_all_image_info_section(const struct segment_command_64 *scp,  in note_all_image_info_section()  argument
327 	if (strncmp(scp->segname, "__DATA_DIRTY", sizeof(scp->segname)) != 0 &&  in note_all_image_info_section()
328 	    strncmp(scp->segname, "__DATA", sizeof(scp->segname)) != 0) {  in note_all_image_info_section()
331 	for (i = 0; i < scp->nsects; ++i) {  in note_all_image_info_section()
1076 				struct segment_command *scp = (struct segment_command *) lcp;  in parse_machfile()  local
1077 				if (scp->cmdsize < sizeof(*scp)) {  in parse_machfile()
1082 					if (is_dyld && scp->vmaddr == 0 && scp->fileoff == 0) {  in parse_machfile()
1093 					if (scp->initprot == 0 && scp->maxprot == 0 && scp->vmaddr == 0) {  in parse_machfile()
1095 …if (os_add3_overflow(scp->vmaddr, scp->vmsize, slide, &pagezero_end) || pagezero_end > UINT32_MAX)…  in parse_machfile()
1100 					if (scp->initprot & VM_PROT_EXECUTE) {  in parse_machfile()
1102 …if (os_add3_overflow(scp->vmaddr, scp->vmsize, slide, &executable_end) || executable_end > UINT32_…  in parse_machfile()
1107 					if (scp->initprot & VM_PROT_WRITE) {  in parse_machfile()
1109 						if (os_add_overflow(scp->vmaddr, slide, &writable_start) || writable_start > UINT32_MAX) {  in parse_machfile()
1118 				if (pass == 1 && !strncmp(scp->segname, "__XHDR", sizeof(scp->segname))) {  in parse_machfile()
1145 				if (ret == LOAD_SUCCESS && scp->fileoff == 0 && scp->filesize > 0) {  in parse_machfile()
1149 					    ((scp->initprot & (VM_PROT_READ | VM_PROT_EXECUTE)) != (VM_PROT_READ | VM_PROT_EXECUTE))) {  in parse_machfile()
2029 	struct segment_command_64 segment_command, *scp;  in load_segment()  local
2091 		scp = (struct segment_command_64 *)lcp;  in load_segment()
2093 		scp = &segment_command;  in load_segment()
2094 		widen_segment_command((struct segment_command *)lcp, scp);  in load_segment()
2101 		    scp->segname,  in load_segment()
2102 		    (uint64_t)(slide + scp->vmaddr),  in load_segment()
2103 		    (uint64_t)(slide + scp->vmaddr + scp->vmsize),  in load_segment()
2104 		    pager_offset + scp->fileoff,  in load_segment()
2105 		    pager_offset + scp->fileoff + scp->filesize,  in load_segment()
2106 		    scp->initprot,  in load_segment()
2107 		    scp->maxprot,  in load_segment()
2108 		    scp->flags));  in load_segment()
2115 	if (scp->fileoff + scp->filesize < scp->fileoff ||  in load_segment()
2116 	    scp->fileoff + scp->filesize > (uint64_t)macho_size) {  in load_segment()
2117 …"LOAD_BADMACHO fileoff 0x%llx filesize 0x%llx macho_size 0x%llx\n", scp->fileoff, scp->filesize, (…  in load_segment()
2124 	if (total_section_size / single_section_size < scp->nsects) {  in load_segment()
2125 …DEBUG4K_ERROR("LOAD_BADMACHO 0x%zx 0x%zx %d\n", total_section_size, single_section_size, scp->nsec…  in load_segment()
2131 	if (os_add_overflow(pager_offset, scp->fileoff, &file_offset)) {  in load_segment()
2132 		DEBUG4K_ERROR("LOAD_BADMACHO file_offset: 0x%llx + 0x%llx\n", pager_offset, scp->fileoff);  in load_segment()
2135 	file_size = scp->filesize;  in load_segment()
2166 	    result->cs_end_offset < (off_t)scp->fileoff &&  in load_segment()
2167 	    result->cs_end_offset - scp->fileoff < scp->filesize) {  in load_segment()
2171 …fset 0x%llx fileoff 0x%llx filesize 0x%llx\n", result->cs_end_offset, scp->fileoff, scp->filesize);  in load_segment()
2175 	if (os_add_overflow(scp->vmaddr, slide, &vm_offset)) {  in load_segment()
2179 …DEBUG4K_ERROR("LOAD_BADMACHO vmaddr 0x%llx slide 0x%llx vm_offset 0x%llx\n", scp->vmaddr, slide, (…  in load_segment()
2183 	if (scp->vmsize > SIZE_MAX) {  in load_segment()
2184 		DEBUG4K_ERROR("LOAD_BADMACHO vmsize 0x%llx\n", scp->vmsize);  in load_segment()
2188 	vm_size = (size_t)scp->vmsize;  in load_segment()
2193 	if (scp->vmaddr == 0 &&  in load_segment()
2196 	    (scp->initprot & VM_PROT_ALL) == VM_PROT_NONE &&  in load_segment()
2197 	    (scp->maxprot & VM_PROT_ALL) == VM_PROT_NONE) {  in load_segment()
2258 				(scp->initprot & VM_PROT_ALL),  in load_segment()
2259 				(scp->maxprot & VM_PROT_ALL),  in load_segment()
2272 		if (filetype != MH_DYLINKER && scp->vmaddr == 0) {  in load_segment()
2273 			DEBUG4K_ERROR("LOAD_BADMACHO filetype %d vmaddr 0x%llx\n", filetype, scp->vmaddr);  in load_segment()
2302 		if (!strncmp(scp->segname, "__LINKEDIT", 11) &&  in load_segment()
2349 		initprot = (scp->initprot) & VM_PROT_ALL;  in load_segment()
2350 		maxprot = (scp->maxprot) & VM_PROT_ALL;  in load_segment()
2382 		delta_size = map_size - scp->filesize;  in load_segment()
2392 			rc = copyout(tmp, map_addr + scp->filesize, delta_size);  in load_segment()
2396 				DEBUG4K_ERROR("LOAD_FAILURE copyout 0x%llx 0x%llx\n", map_addr + scp->filesize, delta_size);  in load_segment()
2439 		    scp->initprot,  in load_segment()
2440 		    scp->maxprot,  in load_segment()
2448 	if ((scp->fileoff == 0) && (scp->filesize != 0)) {  in load_segment()
2452 	if (scp->flags & SG_PROTECTED_VERSION_1) {  in load_segment()
2471 		note_all_image_info_section(scp,  in load_segment()
2482 			if ((scp->initprot & (VM_PROT_READ | VM_PROT_EXECUTE)) == (VM_PROT_READ | VM_PROT_EXECUTE)) {  in load_segment()