The patch titled
markup_oops.pl: fix error with x86
has been added to the -mm tree. Its filename is
markup_oopspl-fix-error-with-x86.patch
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------------------------------------------------------
Subject: markup_oops.pl: fix error with x86
From: Hui Zhu <teawater@xxxxxxxxx>
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$func_offset");
It add other ox to ox2. Then this value will be set to NaN.
So I made a small patch to fix it.
Acked-by: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/markup_oops.pl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN scripts/markup_oops.pl~markup_oopspl-fix-error-with-x86 scripts/markup_oops.pl
--- a/scripts/markup_oops.pl~markup_oopspl-fix-error-with-x86
+++ a/scripts/markup_oops.pl
@@ -154,7 +154,7 @@ while (<STDIN>) {
if ($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;
}
_
Patches currently in -mm which might be from teawater@xxxxxxxxx are
markup_oopspl-fix-error-with-x86.patch
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