[Bug tools/24509] eu-readelf does not know how to dissect DW_AT_discr_list

mark at klomp dot org sourceware-bugzilla@sourceware.org
Thu May 16 15:28:00 GMT 2019


Mark Wielaard <mark at klomp dot org> changed:

           What    |Removed                     |Added
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Mark Wielaard <mark at klomp dot org> ---
commit 643cbb275d65533472c0f53391f9fc1d5d9a2efc
Author: Mark Wielaard <mark@klomp.org>
Date:   Sun May 5 23:18:36 2019 +0200

    readelf: Decode DW_AT_discr_list block attributes.

    Decode DW_AT_descr_list blocks using the DW_DSC values.
    This requires knowing the signedness of the discriminant.
    Which means the attr_callback function needs access to the
    parent DIE. Pass the whole DIE path, plus the current level.
    That way the type of the discriminant can be looked up in
    the variant_part (parent) DIE of the variant DIE (which has
    the discr_list attribute).

    Add a testcase using both signed and unsigned discriminants.


    Signed-off-by: Mark Wielaard <mark@klomp.org>

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