gensymlist.sh.in

   1 #! /bin/sh
   2 #
   3 # Copyright (C) 2002,2006,2007,2008  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 ### The configure script will replace these variables.
  15
  16 : ${srcdir=@srcdir@}
  17 : ${CC=@CC@}
  18
  19
  20 cat <<EOF
  21 /* This file is automatically generated by gensymlist.sh. DO NOT EDIT! */
  22 /*
  23  *  GRUB  --  GRand Unified Bootloader
  24  *  Copyright (C) 2002,2006,2007,2008  Free Software Foundation, Inc.
  25  *
  26  *  GRUB is free software: you can redistribute it and/or modify
  27  *  it under the terms of the GNU General Public License as published by
  28  *  the Free Software Foundation, either version 3 of the License, or
  29  *  (at your option) any later version.
  30  *
  31  *  GRUB is distributed in the hope that it will be useful,
  32  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  33  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  34  *  GNU General Public License for more details.
  35  *
  36  *  You should have received a copy of the GNU General Public License
  37  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  38  */
  39
  40 EOF
  41
  42 for i in $*; do
  43   echo "#include <$i>"
  44 done
  45
  46 cat <<EOF
  47
  48 #define COMPILE_TIME_ASSERT(cond) switch (0) { case 1: case !(cond): ; }
  49
  50 void
  51 grub_register_exported_symbols (void)
  52 {
  53 EOF
  54
  55 cat <<EOF
  56   struct symtab { const char *name; void *addr; };
  57   struct symtab *p;
  58   static struct symtab tab[] =
  59     {
  60 EOF
  61
  62 $CC -DGRUB_SYMBOL_GENERATOR=1 -E -I. -Iinclude -I"$srcdir/include" $* \
  63   | grep -v '^#' \
  64   | sed -n \
  65         -e '/EXPORT_FUNC *([a-zA-Z0-9_]*)/{s/.*EXPORT_FUNC *(\([a-zA-Z0-9_]*\)).*/      {"\1", \1},/;p;}' \
  66         -e '/EXPORT_VAR *([a-zA-Z0-9_]*)/{s/.*EXPORT_VAR *(\([a-zA-Z0-9_]*\)).*/      {"\1", \&\1},/;p;}' \
  67   | sort -u
  68
  69 cat <<EOF
  70       {0, 0}
  71     };
  72
  73   COMPILE_TIME_ASSERT (sizeof (tab) > sizeof (tab[0]));
  74   for (p = tab; p->name; p++)
  75     grub_dl_register_symbol (p->name, p->addr, 0);
  76 }
  77 EOF