[Bug binutils/22136] New: Support marking "debug" info files with special ET_GNU_DEBUG_* values.

[carlos at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=22136

            Bug ID: 22136
           Summary: Support marking "debug" info files with special
                    ET_GNU_DEBUG_* values.
           Product: binutils
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: carlos at redhat dot com
  Target Milestone: ---

We need a way to identify "debug" info files, which appear like they are ELF
files but if inspected are actually missing a lot of information and can't be
properly parsed without the original DSO or executable.

To that end I suggest we adopt:

* ET_GNU_DEBUG_EXEC
* ET_GNU_DEBUG_DYN
* ET_GNU_DEBUG_REL

As ways to mark these files a debug information files. We can place them into
the OS-specific area, and audit that we don't overlap anything important from
other OSs.

We would need new binutils options to edit, adjust and set the "debug"-ness of
files.

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