extractinfo.perl

arm平台上的uclinux系统全部源代码

#!/usr/bin/perl

$OBJDUMP=$ARGV[0];

sub swapdata {
	local ($num) = @_;

	return substr($num, 6, 2).substr($num, 4, 2).substr ($num, 2, 2).substr ($num, 0, 2);
}

open (DATA, $OBJDUMP.' --full-contents --section=.data getconsdata.o | grep \'^ 00\' |') ||
	die ('Cant objdump!');
#print "phase 1\n";
while (<DATA>) {
	($addr, $data0, $data1, $data2, $data3) = split (' ');
#    print "$addr, $data0, $data1, $data2, $data3\n";
	$dat[hex($addr)] = hex(&swapdata($data0));
	$dat[hex($addr)+4] = hex(&swapdata($data1));
	$dat[hex($addr)+8] = hex(&swapdata($data2));
	$dat[hex($addr)+12] = hex(&swapdata($data3));
}
close (DATA);

# print "phase 2\n"; 
open (DATA, $OBJDUMP.' --syms getconsdata.o | grep \' O .data\' |') ||
	die ('Cant objdump!');
while (<DATA>) {
	($addr, $flag1, $flag2, $sect, $size, $name) = split (' ');
#	print "$addr, $flag1, $flag2, $sect, $size, $name\n";
	$nam[hex($addr)] = $name;
}
close (DATA);

# print "phase 3\n";
print "/*\n * *** THIS FILE IS AUTOMATICALLY GENERATED.  DO NOT EDIT! ***\n */\n";
for ($i = 0; $i < hex($addr)+12; $i ++) {
	print "unsigned long $nam[$i] = $dat[$i];\n" if $dat[$i];
	print "#define __HAS_$nam[$i]\n" if $dat[$i];
}