compat/ndis/subr_pe.c

85 pe_get_dos_header(vm_offset_t imgbase, image_dos_header *hdr)
89 	if (imgbase == 0 || hdr == NULL)
92 	signature = *(uint16_t *)imgbase;
96 	bcopy ((char *)imgbase, (char *)hdr, sizeof(image_dos_header));
106 pe_is_nt_image(vm_offset_t imgbase)
111 	if (imgbase == 0)
114 	signature = *(uint16_t *)imgbase;
116 		dos_hdr = (image_dos_header *)imgbase;
117 		signature = *(uint32_t *)(imgbase + dos_hdr->idh_lfanew);
132 pe_get_optional_header(vm_offset_t imgbase, image_optional_header *hdr)
137 	if (imgbase == 0 || hdr == NULL)
140 	if (pe_is_nt_image(imgbase))
143 	dos_hdr = (image_dos_header *)(imgbase);
144 	nt_hdr = (image_nt_header *)(imgbase + dos_hdr->idh_lfanew);
158 pe_get_file_header(vm_offset_t imgbase, image_file_header *hdr)
163 	if (imgbase == 0 || hdr == NULL)
166 	if (pe_is_nt_image(imgbase))
169 	dos_hdr = (image_dos_header *)imgbase;
170 	nt_hdr = (image_nt_header *)(imgbase + dos_hdr->idh_lfanew);
184 pe_get_section_header(vm_offset_t imgbase, image_section_header *hdr)
190 	if (imgbase == 0 || hdr == NULL)
193 	if (pe_is_nt_image(imgbase))
196 	dos_hdr = (image_dos_header *)imgbase;
197 	nt_hdr = (image_nt_header *)(imgbase + dos_hdr->idh_lfanew);
211 pe_numsections(vm_offset_t imgbase)
215 	if (pe_get_file_header(imgbase, &file_hdr))
227 pe_imagebase(vm_offset_t imgbase)
231 	if (pe_get_optional_header(imgbase, &optional_hdr))
243 pe_directory_offset(vm_offset_t imgbase, uint32_t diridx)
248 	if (pe_get_optional_header(imgbase, &opt_hdr))
256 	return(pe_translate_addr(imgbase, dir));
260 pe_translate_addr(vm_offset_t imgbase, vm_offset_t rva)
268 	if (pe_get_optional_header(imgbase, &opt_hdr))
271 	sections = pe_numsections(imgbase);
273 	dos_hdr = (image_dos_header *)imgbase;
274 	nt_hdr = (image_nt_header *)(imgbase + dos_hdr->idh_lfanew);
302 	return((vm_offset_t)(imgbase + rva - sect_hdr->ish_vaddr +
313 pe_get_section(vm_offset_t imgbase, image_section_header *hdr, const char *name)
321 	if (imgbase == 0 || hdr == NULL)
324 	if (pe_is_nt_image(imgbase))
327 	sections = pe_numsections(imgbase);
329 	dos_hdr = (image_dos_header *)imgbase;
330 	nt_hdr = (image_nt_header *)(imgbase + dos_hdr->idh_lfanew);
354 pe_relocate(vm_offset_t imgbase)
366 	base = pe_imagebase(imgbase);
367 	pe_get_section(imgbase, &sect, ".text");
368 	txt = pe_translate_addr(imgbase, sect.ish_vaddr);
371 	pe_get_section(imgbase, &sect, ".reloc");
373 	relhdr = (image_base_reloc *)(imgbase + sect.ish_rawdataaddr);
384 				lloc = (uint32_t *)pe_translate_addr(imgbase,
386 				*lloc = pe_translate_addr(imgbase,
390 				sloc = (uint16_t *)pe_translate_addr(imgbase,
395 				sloc = (uint16_t *)pe_translate_addr(imgbase,
400 				qloc = (uint64_t *)pe_translate_addr(imgbase,
402 				*qloc = pe_translate_addr(imgbase,
430 	vm_offset_t		imgbase,
439 	if (imgbase == 0 || module == NULL || desc == NULL)
442 	offset = pe_directory_offset(imgbase, IMAGE_DIRECTORY_ENTRY_IMPORT);
449 		modname = (char *)pe_translate_addr(imgbase,
463 pe_get_messagetable(vm_offset_t imgbase, message_resource_data **md)
471 	if (imgbase == 0)
474 	offset = pe_directory_offset(imgbase, IMAGE_DIRECTORY_ENTRY_RESOURCE);
498 		*md = (message_resource_data *)pe_translate_addr(imgbase,
507 pe_get_message(vm_offset_t imgbase, uint32_t id, char **str, int *len, uint16_t *flags)
514 	pe_get_messagetable(imgbase, &md);
583 pe_patch_imports(vm_offset_t imgbase, const char *module, image_patch_table *functbl)
590 	if (imgbase == 0 || module == NULL || functbl == NULL)
593 	if (pe_get_import_descriptor(imgbase, &imp_desc, module))
596 	nptr = (vm_offset_t *)pe_translate_addr(imgbase,
598 	fptr = (vm_offset_t *)pe_translate_addr(imgbase,
601 	while (nptr != NULL && pe_translate_addr(imgbase, *nptr)) {
602 		fname = (char *)pe_translate_addr(imgbase, (*nptr) + 2);