[doc, dwarf] Update bit-rotten DWARF option documentation

Jason Merrill jason@redhat.com
Wed Jan 20 13:52:00 GMT 2016


On 01/19/2016 11:31 PM, Sandra Loosemore wrote:
> -@option{-gdwarf-2} does not accept a concatenated debug level, because
> -GCC used to support an option @option{-gdwarf} that meant to generate
> -debug information in version 1 of the DWARF format (which is very
> -different from version 2), and it would have been too confusing.  That
> -debug format is long obsolete, but the option cannot be changed now.

I think we should retain some mention of DWARF 1 here, perhaps as an 
explanation of why {version} starts at 2.

>  Ron Guilmette implemented the @command{protoize} and @command{unprotoize}
> -tools, the support for Dwarf symbolic debugging information, and much of
> +tools, the support for DWARF symbolic debugging information, and much of
>  the support for System V Release 4.  He has also worked heavily on the

Let's clarify that rfg's implementation was of DWARF version 1.

Jason



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