linux-imx

    if ($arch eq "") {

        $arch = `uname -m`;

        chomp($arch);

    }

​

    $x  = "[0-9a-f]";   # hex character

    $xs = "[0-9a-f ]";  # hex character or space

    $funcre = qr/^$x* <(.*)>:$/;

    if ($arch eq 'aarch64') {

        #ffffffc0006325cc:       a9bb7bfd        stp     x29, x30, [sp, #-80]!

        $re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o;

    } elsif ($arch eq 'arm') {

        #c0008ffc:  e24dd064    sub sp, sp, #100    ; 0x64

        $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;

    } elsif ($arch =~ /^x86(_64)?$/ || $arch =~ /^i[3456]86$/) {

        #c0105234:       81 ec ac 05 00 00       sub    $0x5ac,%esp

        # or

        #    2f60:    48 81 ec e8 05 00 00       sub    $0x5e8,%rsp

        $re = qr/^.*[as][du][db]    \$(0x$x{1,8}),\%(e|r)sp$/o;

        $dre = qr/^.*[as][du][db]    (%.*),\%(e|r)sp$/o;

    } elsif ($arch eq 'ia64') {