[Bug binutils/14416] New: .eh_frame section not copied correctly by --only-keep-debug

[rene at gollent dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14416

             Bug #: 14416
           Summary: .eh_frame section not copied correctly by
                    --only-keep-debug
           Product: binutils
           Version: 2.22
            Status: NEW
          Severity: normal
          Priority: P2
         Component: binutils
        AssignedTo: address@hidden
        ReportedBy: address@hidden
    Classification: Unclassified


When using objcopy --only-keep-debug to generate a separate symbolic debugging
information file (as specified at
http://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html ), .eh_frame
doesn't appear to be copied correctly. The section is present and is the same
size as that of the originating file, but doesn't contain valid CIE/FDEs,
instead showing only:

Contents of the .eh_frame section:

00000000 ZERO terminator
00000004 ZERO terminator
00000008 ZERO terminator
[...etc.]

This problem doesn't seem to be exhibited for .debug_frame though. However,
since some newer versions of gcc only output .eh_frame by default, this can be
a bit troublesome for debugging.

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