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From: "mark at klomp dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug default/26987] GCC 11 Ada binaries contain unknown tags
Date: Wed, 02 Dec 2020 15:27:17 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26987

--- Comment #19 from Mark Wielaard <mark at klomp dot org> ---
(In reply to Jakub Jelinek from comment #18)
> (In reply to Mark Wielaard from comment #16)
> > > On the consumer side the question is if consumers will be able to cop=
e with such large leb128 values.
> >=20
> > In general no. At least elfutils and binutils only deal with max 64bit
> > leb128 values. Both also treat the new DWARF5 DW_FORM_data16 as a block
> > class (and not a constant class as a strict reading of the spec would i=
mply).
>=20
> Strict reading of the spec says that constant class is
> DW_FORM_data{1,2,4,8,16},
> DW_FORM_{s,u}data and DW_FORM_implicit_const, at least in DWARF5.

Right, but given that most/all consumers represent constants with max 64bit
signed/unsigned types, they cannot easily deal with DW_FORM_data16 or
excessively large leb128 values.

--=20
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