[PATCH] readelf: Handle multiple .debug_macro sections and decode header flag.

[Mark Wielaard]

On Sat, 2018-10-13 at 15:17 +0200, Mark Wielaard wrote:
> In object files there could be multiple .debug_macro sections.
> These are COMDAT sections used as imports. Note that the output for
> DW_MACRO_import isn't ideal since the offset is printed against the
> start of the .debug_macro section, but it doesn't show which one.
> We currently don't have that information and no interface yet for
> libdw users.
> 
> Also decode the macro header flag byte for convenience.

Pushed to master.