function::kernel_string2_utf163stap

Retrieves utf-16 string from kernel memory with alternative error string

Usage

    kernel_string2_utf16:string(addr:long,err_msg:string)

Arguments

addr

The kernel address to retrieve the string from

err_msg

The error message to return when data isn't available

Overview

This function returns a null terminated UTF-8 string converted from the UTF-16 string at a given kernel memory address. Reports the given error message on string copy fault or conversion error.