libkern/kxld/kxld_util.c

6  * This file contains Original Code and/or Modifications of Original Code
8  * Version 2.0 (the 'License'). You may not use this file except in
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
51 static void unswap_macho_32(u_char *file, enum NXByteOrder host_order,
53 static void unswap_macho_64(u_char *file, enum NXByteOrder host_order,
267 validate_and_swap_macho_32(u_char *file, u_long size
274     struct mach_header *mach_hdr = (struct mach_header *) ((void *) file);
290     check(file);
293     /* Verify that the file is big enough for the mach header */
314     * (which is the only file of type MH_EXECUTE we should ever see),
328         load_hdr = (struct load_command *) ((void *) (file + offset));
339         /* Verify that the file is big enough to contain the load command */
361             /* Verify that the file is big enough for the segment data. */
369                  * demand, that file is big enough for the section's data.
376                 /* Verify that the file is big enough for the section's
385                 relocs = (struct relocation_info *) ((void *) (file + sects[j].reloff));
402             /* Verify that the file is big enough for the symbol table */
408             /* Verify that the file is big enough for the string table */
415             symtab = (struct nlist *) ((void *) (file + symtab_hdr->symoff));
438 validate_and_swap_macho_64(u_char *file, u_long size
445     struct mach_header_64 *mach_hdr = (struct mach_header_64 *) ((void *) file);
461     check(file);
464     /* Verify that the file is big enough for the mach header */
485     * (which is the only file of type MH_EXECUTE we should ever see),
498         load_hdr = (struct load_command *) ((void *) (file + offset));
509         /* Verify that the file is big enough to contain the load command */
530             /* Verify that the file is big enough for the segment data. */
538                  * demand, that file is big enough for the section's data.
545                 /* Verify that the file is big enough for the section's
554                 relocs = (struct relocation_info *) ((void *) (file + sects[j].reloff));
571             /* Verify that the file is big enough for the symbol table */
577             /* Verify that the file is big enough for the string table */
584             symtab = (struct nlist_64 *) ((void *) (file + symtab_hdr->symoff));
607 void unswap_macho(u_char *file, enum NXByteOrder host_order,
610     struct mach_header *hdr = (struct mach_header *) ((void *) file);
615         unswap_macho_32(file, host_order, target_order);
617         unswap_macho_64(file, host_order, target_order);
624 unswap_macho_32(u_char *file, enum NXByteOrder host_order,
627     struct mach_header *mach_hdr = (struct mach_header *) ((void *) file);
638     check(file);
644         load_hdr = (struct load_command *) ((void *) (file + offset));
662             symtab = (struct nlist*) ((void *) (file + symtab_hdr->symoff));
680 unswap_macho_64(u_char *file, enum NXByteOrder host_order,
683     struct mach_header_64 *mach_hdr = (struct mach_header_64 *) ((void *) file);
694     check(file);
700         load_hdr = (struct load_command *) ((void *) (file + offset));
718             symtab = (struct nlist_64 *) ((void *) (file + symtab_hdr->symoff));