freebsd-dev/sys/pci/locate.pl
Stefan Eßer 5e5da2da5d Perl script to convert NCR script address into label+offset.
Useful to find the failed NCR instruction ...
1995-09-08 19:37:11 +00:00

32 lines
562 B
Perl
Executable File

#!/usr/local/bin/perl
$errpos = hex($ARGV[0])/4;
$ofs=0;
open (INPUT, "cc -E ncr.c 2>/dev/null |");
while ($_ = <INPUT>)
{
last if /^struct script \{/;
}
while ($_ = <INPUT>)
{
last if /^\}\;/;
($label, $size) = /ncrcmd\s+(\S+)\s+\[([^]]+)/;
$size = eval($size);
if ($label) {
if ($errpos) {
if ($ofs + $size > $errpos) {
printf ("%4x: %s\n", $ofs * 4, $label);
printf ("%4x: %s + %d\n", $errpos * 4, $label, $errpos - $ofs);
last;
}
$ofs += $size;
} else {
printf ("%4x: %s\n", $ofs * 4, $label);
}
}
}