bsd/kern/mach_loader.c

90 /* XXX should have prototypes in a shared header file */
125 	struct mach_header	*header,
278 	struct mach_header	*header,
336 	if ( (header->flags & MH_ALLOW_STACK_EXECUTION) )
342 	if ((header->flags & MH_NO_HEAP_EXECUTION) && !(imgp->ip_flags & IMGPF_ALLOW_DATA_EXEC))
359 	lret = parse_machfile(vp, map, thread, header, file_offset, macho_size,
461 	struct mach_header	*header,
490 	if (header->magic == MH_MAGIC_64 ||
491 	    header->magic == MH_CIGAM_64) {
507 	if (((cpu_type_t)(header->cputype & ~CPU_ARCH_MASK) != cpu_type()) ||
508 	    !grade_binary(header->cputype,
509 	    	header->cpusubtype & ~CPU_SUBTYPE_MASK))
512 	abi64 = ((header->cputype & CPU_ARCH_ABI64) == CPU_ARCH_ABI64);
514 	switch (header->filetype) {
550 	if ((off_t)(mach_header_sz + header->sizeofcmds) > macho_size)
556 	size = round_page(mach_header_sz + header->sizeofcmds);
584 	if ((header->flags & MH_PIE) || (header->filetype == MH_DYLINKER)) {
604 		 * Mach-O header; if an absurd value is provided, we just
609 		ncmds = header->ncmds;
629 			    offset > header->sizeofcmds + mach_header_sz) {
644 				    		   header->filetype,
678 					dlarchbits = (header->cputype & CPU_ARCH_MASK);
702 					header->cputype,
1336 	struct mach_header	*header;
1364 	header = &dyld_data->__header;
1368 	ret = get_macho_vnode(name, archbits, header,
1381 	ret = parse_machfile(vp, map, thread, header, file_offset,
1402 		ret = parse_machfile(vp, VM_MAP_NULL, THREAD_NULL, header,
1437 		ret = parse_machfile(vp, map, thread, header,
1622 	struct mach_header *header = (struct mach_header *)addr;
1624 	if (header->magic == MH_MAGIC_64 ||
1625 	    header->magic == MH_CIGAM_64) {
1629 	uint32_t ncmds = header->ncmds;
1704 	union macho_vnode_header *header = &data->__header;
1761 	if ((error = vn_rdwr(UIO_READ, vp, (caddr_t)header, sizeof (*header), 0,
1767 	if (header->mach_header.magic == MH_MAGIC ||
1768 	    header->mach_header.magic == MH_MAGIC_64) {
1770 	} else if (header->fat_header.magic == FAT_MAGIC ||
1771 	    header->fat_header.magic == FAT_CIGAM) {
1781 		    (vm_offset_t)(&header->fat_header), &fat_arch);
1785 		/* Read the Mach-O header out of it */
1786 		error = vn_rdwr(UIO_READ, vp, (caddr_t)&header->mach_header,
1787 		    sizeof (header->mach_header), fat_arch.offset,
1795 		if (header->mach_header.magic != MH_MAGIC &&
1796 		    header->mach_header.magic != MH_MAGIC_64) {
1814 		if ((cpu_type_t)(header->mach_header.cputype & CPU_ARCH_MASK) != archbits) {
1823 	*mach_header = header->mach_header;