NetBSD/gnu/usr.bin/gdb/mkinit.sh

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#!/bin/sh
#
# $NetBSD: mkinit.sh,v 1.2 1999/09/25 05:29:27 enami Exp $
#
# Generate the init.c file on stdout.
# Arguments are names of *.o files.
# Run awk on the (edited) output of nm, i.e:
# 00000000 T _initialize_xxxx
# and turn it into a list of function calls.
# Which awk do we use? (awk,gawk,nawk?)
awk=${AWK:-awk}
# $NM may be a name of nm command for cross compilation. The default
# value here is a default when you invoke this script manually.
nm=${NM:-nm}
# Does the compiler prepend an underscore?
if ($nm version.o |grep -q ' _version')
then
sedarg='s/ _/ /'
else
sedarg=
fi
# echo "mkinit.sh: sedarg=$sedarg" >&2
echo '/* Do not modify this file. */'
echo '/* It is created automatically by the Makefile. */'
echo 'void initialize_all_files () {'
for f
do
$nm -p $f
done |
sed -e "$sedarg" |
$awk '
function doit(str) {
printf(" {extern void %s (); %s ();}\n", str, str);
}
/ T _initialize_/ {
doit($3);
next;
}
{ next; }
'
echo '}'
exit 0