[Bug find-debuginfo/32693] New: Add new merge-notes binary

[mark at klomp dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=32693

            Bug ID: 32693
           Summary: Add new merge-notes binary
           Product: debugedit
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: find-debuginfo
          Assignee: unassigned at sourceware dot org
          Reporter: mark at klomp dot org
                CC: debugedit at sourceware dot org
  Target Milestone: ---

find-debuginfo uses binutils objcopy as follows:

  # Compress any annobin notes in the original binary.
  objcopy --merge-notes "$f" 2>/dev/null || true

This silently fails when objcopy doesn't support --merge-notes or in a
cross-arch environment when objcopy wasn't compiled with all architecture
support.

It would be more robust to just add this functionality by writing a simple
merge-notes executable based on elfutils libelf.

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