arch/all-pc/boot/grub2-aros/grub-core/genmoddep.awk

   1 #! /usr/bin/awk -f
   2 #
   3 # Copyright (C) 2006  Free Software Foundation, Inc.
   4 #
   5 # This genmoddep.awk is free software; the author
   6 # gives unlimited permission to copy and/or distribute it,
   7 # with or without modifications, as long as this notice is preserved.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  12 # PARTICULAR PURPOSE.
  13
  14 # Read symbols' info from stdin.
  15 BEGIN {
  16   error = 0
  17   lineno = 0;
  18   while (getline <"/dev/stdin") {
  19     lineno++;
  20     if ($1 == "defined") {
  21       symtab[$3] = $2;
  22       modtab[$2] = "" modtab[$2]
  23     } else if ($1 == "undefined") {
  24       if ($3 in symtab)
  25         modtab[$2] = modtab[$2] " " symtab[$3];
  26       else if ($3 != "__gnu_local_gp") {
  27         printf "%s in %s is not defined\n", $3, $2 >"/dev/stderr";
  28         error++;
  29       }
  30     }
  31     else {
  32       printf "error: %u: unrecognized input format\n", lineno;
  33       error++;
  34       break;
  35     }
  36   }
  37 }
  38
  39 # Output the result.
  40 END {
  41   if (error >= 1)
  42     exit 1;
  43
  44   for (mod in modtab) {
  45     # Remove duplications.
  46     split(modtab[mod], depmods, " ");
  47     for (depmod in uniqmods) {
  48       delete uniqmods[depmod];
  49     }
  50     for (i in depmods) {
  51       depmod = depmods[i];
  52       # Ignore kernel, as always loaded.
  53       if (depmod != "kernel" && depmod != mod)
  54         uniqmods[depmod] = 1;
  55     }
  56     modlist = ""
  57     for (depmod in uniqmods) {
  58       modlist = modlist " " depmod;
  59     }
  60     printf "%s:%s\n", mod, modlist;
  61   }
  62 }