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markup_oops.pl: fix error with x86 

When I try to use markup_oops.pl in x86, I always get:

cat 1 | perl markup_oops.pl ./vmlinux
objdump: --start-address: bad number: NaN
No matching code found

This is because in line:
	if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+0x([0-9a-f]+)\/[a-f0-9]/) {
 		$function = $1;
 		$func_offset = $2;
 	}

$func_offset will get a number like "0x2"

But in follow code:

my $decodestart = Math::BigInt->from_hex("0x$target") -
Math::BigInt->from_hex("0x$func_offset");

It add other ox to ox2.  Then this value will be set to NaN.

So I made a small patch to fix it.

Signed-off-by: Hui Zhu <teawater@gmail.com>
Acked-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Hui Zhu 2010-01-15 17:01:07 -08:00 committed by Linus Torvalds
parent 97922b5462
commit 1f8cdae439
1 changed files with 1 additions and 1 deletions
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2
scripts/markup_oops.pl
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@ -154,7 +154,7 @@ while (<STDIN>) {
if ($line =~ /RIP: 0010:\[\<([a-z0-9]+)\>\]/) {
$target = $1;
}
if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+0x([0-9a-f]+)\/0x[a-f0-9]/) {
$function = $1;
$func_offset = $2;
}