libkern/c%2B%2B/OSKext.cpp

4610     kernel_segment_command_t * seg              = NULL;
4632     for (seg = firstsegfromheader(mh); seg != NULL; seg = nextsegfromheader(mh, seg)) {
4633         seg->vmaddr += vm_kernel_slide;
4637               seg->segname,
4638               (unsigned long)VM_KERNEL_UNSLIDE(seg->vmaddr),
4639               (unsigned long)seg->vmaddr);
4643             relocBase = (char *) seg->vmaddr;
4646         if (!strcmp(seg->segname, "__LINKEDIT")) {
4647             linkeditBase = (char *) seg->vmaddr - seg->fileoff;
4649             linkeditSeg = seg;
4651         for (sec = firstsect(seg); sec != NULL; sec = nextsect(seg, sec)) {
5380     kernel_segment_command_t  * seg             = NULL;
5405     seg = firstsegfromheader((kernel_mach_header_t *)kmod_info->address);
5406     while (seg) {
5407         start = round_page(seg->vmaddr);
5408         end = trunc_page(seg->vmaddr + seg->vmsize);
5410         result = OSKext_protect(kext_map, start, end, seg->maxprot, TRUE);
5417                 getIdentifierCString(), seg->segname, (int)result);
5421         result = OSKext_protect(kext_map, start, end, seg->initprot, FALSE);
5428                 getIdentifierCString(), seg->segname, (int)result);
5432         if (segmentShouldBeWired(seg)) {
5433             result = OSKext_wire(kext_map, start, end, seg->initprot, FALSE);
5439         seg = nextsegfromheader((kernel_mach_header_t *) kmod_info->address, seg);
5449 OSKext::segmentShouldBeWired(kernel_segment_command_t *seg)
5451     return (sKeepSymbols || strncmp(seg->segname, SEG_LINKEDIT, sizeof(seg->segname)));
5463     kernel_segment_command_t            * seg         = NULL;
5563         seg = firstsegfromheader((kernel_mach_header_t *)kmod_info->address);
5564         while (seg) {
5565             if (!verifySegmentMapping(seg)) {
5570             seg = nextsegfromheader((kernel_mach_header_t *) kmod_info->address, seg);
5583 OSKext::verifySegmentMapping(kernel_segment_command_t *seg)
5586     if (!segmentShouldBeWired(seg)) return true;
5588     for (address = seg->vmaddr;
5589          address < round_page(seg->vmaddr + seg->vmsize);
6034             kernel_segment_command_t *seg = NULL;
6053             seg = firstsegfromheader((kernel_mach_header_t *)kmod_info->address);
6054             while (seg) {
6055                 if (segmentShouldBeWired(seg)) {
6056                     result = vm_map_unwire(kext_map, seg->vmaddr,
6057                         seg->vmaddr + seg->vmsize, FALSE);
6069                 seg = nextsegfromheader((kernel_mach_header_t *) kmod_info->address, seg);