On Wed, 2011-03-30 at 12:53 +0200, Mark Wielaard wrote:
I came across a strange combination of new attribute with old form
gcc. When gcc isn't using -gstrict-dwarf, it allows attributes from
newer versions, but doesn't use new forms, even if such an attribute
would need that. So this patch allows that (in particular for
DW_AT_ranges for dwarf2), but only in gnu mode. Does this look like a
On irc Petr told me he didn't like the creeping of the version as state
into dwarf_gnu. So this simpler version, just allows it as gnu extension
in general. Petr, does this new patch look better?
The reason I would really like this to get resolved is because upstream
gcc defaults to non-strict dwarf-2 + gnu extensions, which will output
this form for the ranges attribute. Which results in low-level check
failure, so you cannot run any high-level check against such binaries.