[Bug gprofng/31169] New: [display text] Source code locations can not be found in a C++ application

[ruud.vanderpas at oracle dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=31169

            Bug ID: 31169
           Summary: [display text] Source code locations can not be found
                    in a C++ application
           Product: binutils
           Version: 2.41
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gprofng
          Assignee: vladimir.mezentsev at oracle dot com
          Reporter: ruud.vanderpas at oracle dot com
  Target Milestone: ---

This is a C++ application developed at the University of Bristol. The
developers run into the problem that "gprofng display text" cannot locate the
source file(s), while the application and library objects have been compiled
with -g.


This problem seems to be related to interpreting the DWARF output. If -gdwarf-2
is added on the g++ compile lines, the source files can be located and source
line level information is printed.

If however, -gdwarf-3 is used, the locations of the source files cannot be
found and consequently, no source line level information is printed.

A test case exhibiting this problem has been made available. The program needs
to be compiled with g++ 8.5 and that has been used in the tests.

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