Generating DWARF CIE info

[Eric Botcazou]

> Not by GDB.

Then an approach could be to patch the GDB unwinder to make it follow the GCC 
conventions.

> You seem to be under the misapprehension that I'm talking about exception
> handling in gcc.  I'm not.

Well, GCC doesn't generate 2 flavor of CIEs (on SPARC) so considerations that 
apply to CIEs in .debug_frame apply to CIEs in .eh_frame as well.

-- 
Eric Botcazou