function::user_string(3stap) — Linux manual page

FUNCT...STRIN(3stap) String and data retrieving fun FUNCT...STRIN(3stap)

NAME         top

       function::user_string - Retrieves string from user space

SYNOPSIS         top

       1) user_string:string(addr:long)

       2) user_string:string(addr:long,err_msg:string)

ARGUMENTS         top

       addr
           the user space address to retrieve the string from

       err_msg
           the error message to return when data isn't available

DESCRIPTION         top

       1) Returns the null terminated C string from a given user space
       memory address. Reports an error on the rare cases when userspace
       data is not accessible.

       2) Returns the null terminated C string from a given user space
       memory address. Reports the given error message on the rare cases
       when userspace data is not accessible.

SEE ALSO         top

       tapset::uconversions(3stap)

SEE ALSO         top

       tapset::uconversions(3stap)

COLOPHON         top

       This page is part of the systemtap (a tracing and live-system
       analysis tool) project.  Information about the project can be
       found at ⟨https://sourceware.org/systemtap/⟩.  If you have a bug
       report for this manual page, send it to systemtap@sourceware.org.
       This page was obtained from the project's upstream Git repository
       ⟨git://sourceware.org/git/systemtap.git⟩ on 2024-06-14.  (At that
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       (which is not part of the original manual page), send a mail to
       man-pages@man7.org

SystemTap Tapset Reference     April 2024           FUNCT...STRIN(3stap)

Pages that refer to this page: tapset::uconversions(3stap)

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