On Thu, Jan 27, 2011 at 10:27 PM, mindentropy <[email protected]> wrote: > On Thursday 27 Jan 2011 12:15:47 pm Mulyadi Santosa wrote: >> On Thu, Jan 27, 2011 at 13:40, prabhu <[email protected]> wrote: >> > No, because 32bit code will tell the datatype size and i think pointer >> > variable depends on architecture. >> > So 64 bit processor needs 64 address line to point the data location. So >> > pointer variable needs to be 8 byte. >> >> Please don't top post and please use the new list address, ok? :) >> >> IMO, I second your opinion. And as addition, I think it's worth to >> check /proc/cpuinfo too in "address sizes" field >> >> NB: I was thinking, if in x64, it is operating in full 32 bit mode >> (not hybrid one), it is supposed to yield 32 bit address too, right? > Why not simply use CPUID ?
In this case solution is not portable and uses arch specific methods. I think most 64-bit systems today use LP64 data model. > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > -- Regards, Denis _______________________________________________ Kernelnewbies mailing list [email protected] http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
