grub/gensymlist.sh.in
proski 26887f221a 2008-04-02 Pavel Roskin <proski@gnu.org>
* genkernsyms.sh.in: Use more robust assignments for CC and
	srcdir.  Quote srcdir.
	* gensymlist.sh.in: Likewise.  Assert at the compile time that
	the symbol table is not empty.
2008-04-02 07:29:59 +00:00

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#! /bin/sh
#
# Copyright (C) 2002,2006,2007 Free Software Foundation, Inc.
#
# This gensymlist.sh.in is free software; the author
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
### The configure script will replace these variables.
: ${srcdir=@srcdir@}
: ${CC=@CC@}
cat <<EOF
/* This file is automatically generated by gensymlist.sh. DO NOT EDIT! */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2006,2007 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
EOF
for i in $*; do
echo "#include <$i>"
done
cat <<EOF
#define COMPILE_TIME_ASSERT(cond) switch (0) { case 1: case !(cond): ; }
void
grub_register_exported_symbols (void)
{
EOF
cat <<EOF
struct symtab { const char *name; void *addr; };
struct symtab *p;
static struct symtab tab[] =
{
EOF
$CC -DGRUB_SYMBOL_GENERATOR=1 -E -I. -Iinclude -I"$srcdir/include" $* \
| grep -v '^#' \
| sed -n \
-e '/EXPORT_FUNC *([a-zA-Z0-9_]*)/{s/.*EXPORT_FUNC *(\([a-zA-Z0-9_]*\)).*/ {"\1", \1},/;p;}' \
-e '/EXPORT_VAR *([a-zA-Z0-9_]*)/{s/.*EXPORT_VAR *(\([a-zA-Z0-9_]*\)).*/ {"\1", \&\1},/;p;}' \
| sort -u
cat <<EOF
{0, 0}
};
COMPILE_TIME_ASSERT (sizeof (tab) > sizeof (tab[0]));
for (p = tab; p->name; p++)
grub_dl_register_symbol (p->name, p->addr, 0);
}
EOF