[Bug binutils/29532] /usr/lib/debug/usr/lib/crti.o.debug: file format not recognized

[nickc at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29532

--- Comment #4 from Nick Clifton <nickc at redhat dot com> ---
(In reply to alex_y_xu from comment #2)
Hi Alex,

  I agree that the creation of the corrupt file is not a fluke.  It is
  deliberate.  But...

> 2. objcopy --only-keep-debug crti.o crti.o.debug

  The files created by the --only-keep-debug option to objcopy are
  *intentionally* corrupt.  The are not intended to be complete ELF
  files.  Instead they only contain debug information and enough 
  ELF-like formatting that they can be matched up with their stripped
  counterparts.

  Note - as a workaround you can use the readelf program instead
  of objdump.  This program is more forgiving of the not-quite-ELF
  like contents of debug information files:

  % readelf -h crti.o.debug
  ELF Header:
   Magic:   7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00 
   Class:                             ELF32
   Data:                              2's complement, little endian
   Version:                           1 (current)
  [...and so on...]

Cheers
  Nick

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