Beefy Boxes and Bandwidth Generously Provided by pair Networks
Welcome to the Monastery
 
PerlMonks  

comment on

( #3333=superdoc: print w/replies, xml ) Need Help??

In the debugger Devel::Trepan, there is the ability to show B:OP addresses. There is an optional plugin which allows one to disassemble Perl subroutines and packages. But what I'd like to do is to be able to disassemble a more limited region around the OP address. So how can I do that?

I know about Devel::Pointer, but I can't get that to work here:

(trepanpl): disasm Devel::Trepan::Options::whence_file ... OP (0x9961848) op_next 0x9961828 op_sibling 0 op_ppaddr PL_ppaddr[OP_PADSV] op_type 9 op_flags 0000000 op_private 0 (trepanpl): sprintf "%d", 0x9961848 $DB::D[7] = 160831560 (trepanpl): $c = deref(160831560) ** Bizarre copy of UNKNOWN in scalar assignment $DB::D[8] = <undef> Program received signal SEGV. Segmentation fault (core dumped)

Thoughts or suggestions?

Thanks.


In reply to Getting a B::OP from an address? by rockyb

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post; it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.
  • Log In?
    Username:
    Password:

    What's my password?
    Create A New User
    Chatterbox?
    and the web crawler heard nothing...

    How do I use this? | Other CB clients
    Other Users?
    Others avoiding work at the Monastery: (7)
    As of 2021-04-12 20:31 GMT
    Sections?
    Information?
    Find Nodes?
    Leftovers?
      Voting Booth?

      No recent polls found

      Notices?