On 08/11/2014 08:08 AM, Jan Beulich wrote:
>>
>> No, in *human language*. What does the DW_CFA_def_cfa_expression
>> actually aim to accomplish? If you don't know the innards of the DWARF
>> spec, the whole thing might as well be Hungarian.
>
> Just like the other DW_CFA_def_cfa_* ones it sets the current
> frame address (CFA), just not via one of the pre-canned shortcuts,
> but via an expression (in the case here de-referencing the stack
> pointer to read the top of stack, and then adding the necessary
> offset). So it indeed is similar enough to other .cfi_* annotations we
> use without further comments.
>
Actually, what you had inside the parenteses there is actually a
half-decent comment. I'm going to pretend the rest of this wasn't posted.
-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
