grub-core/gensymlist.sh

   1 #! /bin/sh
   2 #
   3 # Copyright (C) 2002,2006,2007,2008,2009,2010  Free Software Foundation, Inc.
   4 #
   5 # This gensymlist.sh.in 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 cat <<EOF
  15 /* This file is automatically generated by gensymlist.sh. DO NOT EDIT! */
  16 /*
  17  *  GRUB  --  GRand Unified Bootloader
  18  *  Copyright (C) 2002,2006,2007,2008,2009,2010  Free Software Foundation, Inc.
  19  *
  20  *  GRUB is free software: you can redistribute it and/or modify
  21  *  it under the terms of the GNU General Public License as published by
  22  *  the Free Software Foundation, either version 3 of the License, or
  23  *  (at your option) any later version.
  24  *
  25  *  GRUB is distributed in the hope that it will be useful,
  26  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  27  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28  *  GNU General Public License for more details.
  29  *
  30  *  You should have received a copy of the GNU General Public License
  31  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  32  */
  33
  34 EOF
  35
  36 for i in $*; do
  37   echo "#include <$i>"
  38 done
  39
  40 cat <<EOF
  41
  42 #define COMPILE_TIME_ASSERT(cond) switch (0) { case 1: case !(cond): ; }
  43
  44 #pragma GCC diagnostic ignored "-Wmissing-format-attribute"
  45
  46 void
  47 grub_register_exported_symbols (void)
  48 {
  49 EOF
  50
  51 cat <<EOF
  52   struct symtab { const char *name; void *addr; int isfunc; };
  53   struct symtab *p;
  54   static struct symtab tab[] =
  55     {
  56 EOF
  57
  58 (while read LINE; do echo $LINE; done) \
  59   | grep -v '^#' \
  60   | sed -n \
  61         -e '/EXPORT_FUNC *([a-zA-Z0-9_]*)/{s/.*EXPORT_FUNC *(\([a-zA-Z0-9_]*\)).*/      {"\1", \1, 1},/;p;}' \
  62         -e '/EXPORT_VAR *([a-zA-Z0-9_]*)/{s/.*EXPORT_VAR *(\([a-zA-Z0-9_]*\)).*/      {"\1", (void *) \&\1, 0},/;p;}' \
  63   | sort -u
  64
  65 cat <<EOF
  66       {0, 0, 0}
  67     };
  68
  69   COMPILE_TIME_ASSERT (sizeof (tab) > sizeof (tab[0]));
  70   for (p = tab; p->name; p++)
  71     grub_dl_register_symbol (p->name, p->addr, p->isfunc, 0);
  72 }
  73 EOF