On 07/06/2011 08:45 AM, Eric Blake wrote:
>> #define _SDT_ARGARRAY(x) (__builtin_classify_type (x) == 14 \
>> || __builtin_classify_type (x) == 5)
>>
>
> Too bad gcc doesn't document this builtin.
It's documented in the Internals manual:
http://gcc.gnu.org/online
On 07/05/2011 09:03 PM, Josh Stone wrote:
> I'm sorry to discover that you're fighting old sdt.h bugs. If only we
> could put on our time-traveling cap and get it right the first time...
> We do hope that all the corner cases are dealt with correctly in the
> newest systemtap package. Please let
On 07/05/2011 10:03 AM, Eric Blake wrote:
> It is really annoying that gcc does not provide any counterpart to
> __typeof__ that would let you produce the decayed type of an input
> argument - life would be much simpler if there were a way to decay an
> expression of type 'char[100]' into an interm
On 07/04/2011 01:10 AM, Matthias Bolte wrote:
>> +/* The double cast is necessary to silence gcc warnings; any pointer
>> + * can safely go to intptr_t and back to void *, which collapses
>> + * arrays into pointers; while any integer can be widened to intptr_t
>> + * then cast to void *. */
>> +#
2011/7/1 Eric Blake :
> Systemtap 1.2 tried to expand STAP_PROBE3 into an
> initialization:
> volatile __typeof__(arg) foo = arg;
> but that fails if arg was declared as 'char arg[100]'.
> Rather than make all callers to PROBE deal with the stupidity
> of , we instead make PROBE cast away the pro
At 07/02/2011 05:43 AM, Eric Blake Write:
> Systemtap 1.2 tried to expand STAP_PROBE3 into an
> initialization:
> volatile __typeof__(arg) foo = arg;
> but that fails if arg was declared as 'char arg[100]'.
> Rather than make all callers to PROBE deal with the stupidity
> of , we instead make PR
Systemtap 1.2 tried to expand STAP_PROBE3 into an
initialization:
volatile __typeof__(arg) foo = arg;
but that fails if arg was declared as 'char arg[100]'.
Rather than make all callers to PROBE deal with the stupidity
of , we instead make PROBE cast away the problem.
Some of this preprocessor a
