https://sourceware.org/bugzilla/show_bug.cgi?id=27195
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Nick Clifton from comment #4)
> (In reply to H.J. Lu from comment #2)
> > I think it is very bad that
> >
> > $ as -o x.o x.s
> >
> > fails when x.s contains DWARF5 info generated by GCC 11. Assembler
> > shouldn't
> > require --gdwarf-5 to accept DWARF5 info. GCC 11 should emit an assembly
> > directive to enable DWARF5 info in assembler.
>
> Wouldn't it just be easier to update gcc's spec file to add the --gdwarf-5
> directive ? Eg by changing this part of asm_debug:
>
> %{!gstabs*:%{g*:--gdwarf2}}
>
> into:
>
> %{!gstabs*:%{g*:--gdwarf-%*}%{!g:--gdwarf-5}}
It is done in GCC. But it doesn't always work. If assembly codes have
DWARF5 ".file 0" or ".loc 0" directives, assembler should turn on DWARF5
and accept them.
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