Hi Omar, On Thu, Feb 22, 2024 at 04:53:19PM -0800, Omar Sandoval wrote: > On Fri, Feb 16, 2024 at 04:00:47PM +0100, Mark Wielaard wrote: > > The code and tests look good. run-varlocs.sh seems good, which seems to > > confirm DW_SECT_LOCLISTS is handled correctly (but why doesn't it need > > a hack similar to ranges in __libdw_formptr?). > > I think it's because ranges have the uniquely weird behavior in DWARF 4 > GNU Debug Fission that DW_AT_GNU_ranges_base is in the skeleton file but > used to interpret the split file. This was cleaned up for DWARF 5 (as I > documented in commit c9c9ffae725009b192b40e2d89035f353ae7055f), and > there was no base attribute for location lists in DWARF 4, so it's not > applicable.
Thanks. I forgot about commit c9c9ffae7 "libdw: Handle DW_AT_ranges in split DWARF 5 skeleton in dwarf_ranges". That documents it nicely. Cheers, Mark
