Source
x
open( , $cross_compile."objdump -dS --adjust-vma=$vmaoffset --start-address=$decodestart --stop-address=$decodestop $filename |") || die "Cannot start objdump";
#!/usr/bin/env perl
use :: ;
use :: ;
use :: ;
# Copyright 2008, Intel Corporation
#
# This file is part of the Linux kernel
#
# This program file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; version 2 of the License.
#
# Authors:
# Arjan van de Ven <arjan@linux.intel.com>
my $cross_compile = "";
my $vmlinux_name = "";
my $modulefile = "";
# Get options
:::: (
'cross-compile|c=s' => \$cross_compile,
'module|m=s' => \$modulefile,
'help|h' => \&usage,
) || ();
my $vmlinux_name = $ARGV[0];
if (!defined($vmlinux_name)) {
my $kerver = `uname -r`;
chomp($kerver);
$vmlinux_name = "/lib/modules/$kerver/build/vmlinux";
print "No vmlinux specified, assuming $vmlinux_name\n";
}
my $filename = $vmlinux_name;
# Parse the oops to find the EIP value
my $target = "0";
my $function;
my $module = "";
my $func_offset = 0;
my $vmaoffset = 0;
my %regs;
sub
{
my ($line) = @_;
if ($line =~ /EAX: ([0-9a-f]+) EBX: ([0-9a-f]+) ECX: ([0-9a-f]+) EDX: ([0-9a-f]+)/) {
$regs{"%eax"} = $1;
$regs{"%ebx"} = $2;
$regs{"%ecx"} = $3;
$regs{"%edx"} = $4;
}
if ($line =~ /ESI: ([0-9a-f]+) EDI: ([0-9a-f]+) EBP: ([0-9a-f]+) ESP: ([0-9a-f]+)/) {
$regs{"%esi"} = $1;
$regs{"%edi"} = $2;
$regs{"%esp"} = $4;
}
if ($line =~ /RAX: ([0-9a-f]+) RBX: ([0-9a-f]+) RCX: ([0-9a-f]+)/) {
$regs{"%eax"} = $1;
$regs{"%ebx"} = $2;
$regs{"%ecx"} = $3;
}
if ($line =~ /RDX: ([0-9a-f]+) RSI: ([0-9a-f]+) RDI: ([0-9a-f]+)/) {
$regs{"%edx"} = $1;
$regs{"%esi"} = $2;
$regs{"%edi"} = $3;
}
if ($line =~ /RBP: ([0-9a-f]+) R08: ([0-9a-f]+) R09: ([0-9a-f]+)/) {
$regs{"%r08"} = $2;
$regs{"%r09"} = $3;
}
if ($line =~ /R10: ([0-9a-f]+) R11: ([0-9a-f]+) R12: ([0-9a-f]+)/) {
$regs{"%r10"} = $1;
$regs{"%r11"} = $2;
$regs{"%r12"} = $3;
}
if ($line =~ /R13: ([0-9a-f]+) R14: ([0-9a-f]+) R15: ([0-9a-f]+)/) {
$regs{"%r13"} = $1;
$regs{"%r14"} = $2;
$regs{"%r15"} = $3;
}
}
sub
{
my ($reg) = @_;
$reg =~ s/r(.)x/e\1x/;