WebSVN – QNX 8.QNX8 IFS tool – Diff – /ifstool.c

 // ifstool.c -- portable reimplementation of QNX's mkifs by Pierre-Marie Baty <pm@pmbaty.com>
+// TODO: preboot file stripping
+// TODO: startup file stripping
+// TODO: kernel file stripping
+// TODO: boot script compiler
 #include <stdint.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <stdarg.h>
                ELF_SET_NUMERIC (elf, new_shdr, type,         ELF_GET_NUMERIC (elf, shdr, type)); // duplicate section type
                ELF_SET_NUMERIC (elf, new_shdr, flags,        ELF_GET_NUMERIC (elf, shdr, flags)); // duplicate section flags
                ELF_SET_NUMERIC (elf, new_shdr, virtual_addr, ELF_GET_NUMERIC (elf, shdr, virtual_addr)); // duplicate section virtual address
                ELF_SET_NUMERIC (elf, new_shdr, file_offset, (ELF_GET_NUMERIC (elf, shdr, file_offset) > new_shdrtable_offset ? WILL_BE_FILLED_LATER : ELF_GET_NUMERIC (elf, shdr, file_offset))); // duplicate section offset only if it doesn't move
                ELF_SET_NUMERIC (elf, new_shdr, size,         ELF_GET_NUMERIC (elf, shdr, size)); // duplicate section size
-               ELF_SET_NUMERIC (elf, new_shdr, linked_index, ELF_GET_NUMERIC (elf, shdr, linked_index)); // duplicate section linked index (FIXME: may be wrong now!)
+               ELF_SET_NUMERIC (elf, new_shdr, linked_index, ELF_GET_NUMERIC (elf, shdr, linked_index)); // duplicate section linked index (which should be zero anyway)
                ELF_SET_NUMERIC (elf, new_shdr, info,         ELF_GET_NUMERIC (elf, shdr, info)); // duplicate section info
                ELF_SET_NUMERIC (elf, new_shdr, alignment,    ELF_GET_NUMERIC (elf, shdr, alignment)); // duplicate section alignment
                ELF_SET_NUMERIC (elf, new_shdr, entry_size,   ELF_GET_NUMERIC (elf, shdr, entry_size)); // duplicate section entry size
+            }
             if ((shdr = elf_get_section_header_by_name (elf, ".gnu_debuglink")) != NULL)
                ELF_SET_NUMERIC (elf, new_shdr, type,         ELF_GET_NUMERIC (elf, shdr, type)); // duplicate section type
                ELF_SET_NUMERIC (elf, new_shdr, flags,        ELF_GET_NUMERIC (elf, shdr, flags)); // duplicate section flags
                ELF_SET_NUMERIC (elf, new_shdr, virtual_addr, ELF_GET_NUMERIC (elf, shdr, virtual_addr)); // duplicate section virtual address
                ELF_SET_NUMERIC (elf, new_shdr, file_offset, (ELF_GET_NUMERIC (elf, shdr, file_offset) > new_shdrtable_offset ? WILL_BE_FILLED_LATER : ELF_GET_NUMERIC (elf, shdr, file_offset))); // duplicate section offset only if it doesn't move
                ELF_SET_NUMERIC (elf, new_shdr, size,         ELF_GET_NUMERIC (elf, shdr, size)); // duplicate section size
-               ELF_SET_NUMERIC (elf, new_shdr, linked_index, ELF_GET_NUMERIC (elf, shdr, linked_index)); // duplicate section linked index (FIXME: may be wrong now!)
+               ELF_SET_NUMERIC (elf, new_shdr, linked_index, ELF_GET_NUMERIC (elf, shdr, linked_index)); // duplicate section linked index (which should be zero anyway)
                ELF_SET_NUMERIC (elf, new_shdr, info,         ELF_GET_NUMERIC (elf, shdr, info)); // duplicate section info
                ELF_SET_NUMERIC (elf, new_shdr, alignment,    ELF_GET_NUMERIC (elf, shdr, alignment)); // duplicate section alignment
                ELF_SET_NUMERIC (elf, new_shdr, entry_size,   ELF_GET_NUMERIC (elf, shdr, entry_size)); // duplicate section entry size
+            }
             if ((shdr = elf_get_section_header_by_name (elf, "QNX_usage")) != NULL)
                ELF_SET_NUMERIC (elf, new_shdr, type,         ELF_GET_NUMERIC (elf, shdr, type)); // duplicate section type
                ELF_SET_NUMERIC (elf, new_shdr, flags,        ELF_GET_NUMERIC (elf, shdr, flags)); // duplicate section flags
                ELF_SET_NUMERIC (elf, new_shdr, virtual_addr, ELF_GET_NUMERIC (elf, shdr, virtual_addr)); // duplicate section virtual address
                ELF_SET_NUMERIC (elf, new_shdr, file_offset, (ELF_GET_NUMERIC (elf, shdr, file_offset) > new_shdrtable_offset ? WILL_BE_FILLED_LATER : ELF_GET_NUMERIC (elf, shdr, file_offset))); // duplicate section offset only if it doesn't move
                ELF_SET_NUMERIC (elf, new_shdr, size,         ELF_GET_NUMERIC (elf, shdr, size)); // duplicate section size
-               ELF_SET_NUMERIC (elf, new_shdr, linked_index, ELF_GET_NUMERIC (elf, shdr, linked_index)); // duplicate section linked index (FIXME: may be wrong now!)
+               ELF_SET_NUMERIC (elf, new_shdr, linked_index, ELF_GET_NUMERIC (elf, shdr, linked_index)); // duplicate section linked index (which should be zero anyway)
                ELF_SET_NUMERIC (elf, new_shdr, info,         ELF_GET_NUMERIC (elf, shdr, info)); // duplicate section info
                ELF_SET_NUMERIC (elf, new_shdr, alignment,    ELF_GET_NUMERIC (elf, shdr, alignment)); // duplicate section alignment
                ELF_SET_NUMERIC (elf, new_shdr, entry_size,   ELF_GET_NUMERIC (elf, shdr, entry_size)); // duplicate section entry size
+            }
             if ((shdr = elf_get_section_header_by_name (elf, ".note.gnu.build-id")) != NULL)
                ELF_SET_NUMERIC (elf, new_shdr, type,         ELF_GET_NUMERIC (elf, shdr, type)); // duplicate section type
                ELF_SET_NUMERIC (elf, new_shdr, flags,        ELF_GET_NUMERIC (elf, shdr, flags)); // duplicate section flags
                ELF_SET_NUMERIC (elf, new_shdr, virtual_addr, ELF_GET_NUMERIC (elf, shdr, virtual_addr)); // duplicate section virtual address
                ELF_SET_NUMERIC (elf, new_shdr, file_offset, (ELF_GET_NUMERIC (elf, shdr, file_offset) > new_shdrtable_offset ? WILL_BE_FILLED_LATER : ELF_GET_NUMERIC (elf, shdr, file_offset))); // duplicate section offset only if it doesn't move
                ELF_SET_NUMERIC (elf, new_shdr, size,         ELF_GET_NUMERIC (elf, shdr, size)); // duplicate section size
-               ELF_SET_NUMERIC (elf, new_shdr, linked_index, ELF_GET_NUMERIC (elf, shdr, linked_index)); // duplicate section linked index (FIXME: may be wrong now!)
+               ELF_SET_NUMERIC (elf, new_shdr, linked_index, ELF_GET_NUMERIC (elf, shdr, linked_index)); // duplicate section linked index (which should be zero anyway)
                ELF_SET_NUMERIC (elf, new_shdr, info,         ELF_GET_NUMERIC (elf, shdr, info)); // duplicate section info
                ELF_SET_NUMERIC (elf, new_shdr, alignment,    ELF_GET_NUMERIC (elf, shdr, alignment)); // duplicate section alignment
                ELF_SET_NUMERIC (elf, new_shdr, entry_size,   ELF_GET_NUMERIC (elf, shdr, entry_size)); // duplicate section entry size
+            }
             reallocated_ptr = realloc (new_shtab.bytes, new_shtab.len + ELF_STRUCT_SIZE (elf, shdr)); // grow our section headers table to have one entry more
+   }
    // do we not have enough information to run ?
    if (want_help || (buildfile_pathname == NULL) || (!want_info && (ifs_pathname == NULL)))
+   {
+      fp = (want_help ? stdout : stderr); // select the right output channel
-      fprintf ((want_help ? stdout : stderr), "ifstool - QNX in-kernel filesystem creation utility by Pierre-Marie Baty <pm@pmbaty.com>\n");
+      fprintf (fp, "ifstool - QNX in-kernel filesystem creation utility by Pierre-Marie Baty <pm@pmbaty.com>\n");
-      fprintf ((want_help ? stdout : stderr), "          version " VERSION_FMT_YYYYMMDD "\n", VERSION_ARG_YYYYMMDD);
+      fprintf (fp, "          version " VERSION_FMT_YYYYMMDD "\n", VERSION_ARG_YYYYMMDD);
       if (!want_help)
-         fprintf (stderr, "error: missing parameters\n");
+         fprintf (fp, "error: missing parameters\n");
-      fprintf ((want_help ? stdout : stderr), "usage:\n");
+      fprintf (fp, "usage:\n");
-      fprintf ((want_help ? stdout : stderr), "    ifstool [--bootfile <pathname>] [--startupfile <pathname>@<EP_from_imgbase>] [--kernelfile <pathname>@<fileoffs>] [-n[n]] <buildfile> <outfile>\n");
+      fprintf (fp, "    ifstool [--bootfile <pathname>] [--startupfile <pathname>@<EP_from_imgbase>] [--kernelfile <pathname>@<fileoffs>] [-n[n]] <buildfile> <outfile>\n");
-      fprintf ((want_help ? stdout : stderr), "    ifstool --info [--everything] <ifs file>\n");
+      fprintf (fp, "    ifstool --info [--everything] <ifs file>\n");
-      fprintf ((want_help ? stdout : stderr), "    ifstool --help\n");
+      fprintf (fp, "    ifstool --help\n");
-      fprintf ((want_help ? stdout : stderr), "NOTE: the compilation feature requires predigested boot, startup and kernel files produced by mkifs.\n");
+      fprintf (fp, "NOTE: the compilation feature requires predigested boot, startup and kernel files produced by mkifs.\n");
       exit (want_help ? 0 : 1);
+   }
    // do we want info about a particular IFS ? if so, dump it
    if (want_info)
             else if (strncmp (token, "perms=",   6) == 0) { REACH_TOKEN_VALUE (); entry_parms.perms   = (int) read_integer (value); }
             else if (strncmp (token, "type=",    5) == 0) { REACH_TOKEN_VALUE (); entry_parms.st_mode = (strcmp (value, "dir") == 0 ? S_IFDIR : (strcmp (value, "file") == 0 ? S_IFREG : (strcmp (value, "link") == 0 ? S_IFLNK : (strcmp (value, "fifo") == 0 ? S_IFIFO : (fprintf (stderr, "warning: invalid 'type' attribute in \"%s\" line %d: '%s', defaulting to 'file'\n", buildfile_pathname, lineno, value), S_IFREG))))); }
             else if (strncmp (token, "prefix=",  7) == 0) { REACH_TOKEN_VALUE (); strcpy (entry_parms.prefix, (*value == '/' ? value + 1 : value)); } // skip possible leading slash in prefix
             else if (strncmp (token, "image=",   6) == 0) { REACH_TOKEN_VALUE ();
                image_base = (uint32_t) read_integer (value); // read image base address
-               if ((sep = strchr (value, '-')) != NULL) image_end       = (uint32_t) read_integer (sep + 1); // if we have a dash, read optional image end (FIXME: check this value and produce an error in the relevant case. Not important.)
+               if ((sep = strchr (value, '-')) != NULL) image_end       = (uint32_t) read_integer (sep + 1); // if we have a dash, read optional image end (TODO: check this value and produce an error in the relevant case. Not important.)
                if ((sep = strchr (value, ',')) != NULL) image_maxsize   = (uint32_t) read_integer (sep + 1); // if we have a comma, read optional image max size
                if ((sep = strchr (value, '=')) != NULL) image_totalsize = (uint32_t) read_integer (sep + 1); // if we have an equal sign, read optional image padding size
                if ((sep = strchr (value, '%')) != NULL) image_align     = (uint32_t) read_integer (sep + 1); // if we have a modulo sign, read optional image aligmnent
                fprintf (stderr, "info: image 0x%x-0x%x maxsize %d totalsize %d align %d\n", image_base, image_end, image_maxsize, image_totalsize, image_align);
+            }
                   *sep = 0;
                   strcpy (image_processor, value); // save processor
                   update_MKIFS_PATH (image_processor);
                   value = sep + 1;
+               }
-               //sprintf (image_bootfile, "%s/%s/boot/sys/%s.boot", QNX_TARGET, image_processor, value); // save preboot file name (FIXME: we should search in MKIFS_PATH instead of this. Not important.)
+               //sprintf (image_bootfile, "%s/%s/boot/sys/%s.boot", QNX_TARGET, image_processor, value); // save preboot file name (TODO: we should search in MKIFS_PATH instead of this. Not important.)
                //strcpy (image_bootfile, bootfile_pathname); // FIXME: HACK
                if (stat (bootfile_pathname, &stat_buf) != 0)
+               {
                   fprintf (stderr, "error: unable to stat the boot file \"%s\" specified in \"%s\" line %d: %s\n", bootfile_pathname, buildfile_pathname, lineno, strerror (errno));
                   exit (1);

Subversion Repositories QNX 8.QNX8 IFS tool

QNX 8.QNX8 IFS tool/ifstool.c – Rev 11 → 12