Generating DWARF CIE info

[Michael Eager]

Eric Botcazou wrote:
>> Not by GDB.
> 
> Then an approach could be to patch the GDB unwinder to make it follow the GCC 
> conventions.

The correct approach would be to have gcc generate correct DWARF data.

Indeed, I have patch gdb to work around the inaccurate CIE.

>> 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.

No, they don't.  Apparently, EH frame unwinding doesn't need
correct CIE data.  Debugging does.

My question was whether there was a good reason for ignoring
the offset in a RA expression.


-- 
Michael Eager	 eager@eagercon.com
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