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Re: primitive type size
On 6 October 2017 at 12:20, Jonathan Wakely wrote:
> On 6 October 2017 at 11:45, Onorato Vaticone wrote:
>> that is a relevant piece of information! Thanks a lot.
>> Based on what you've said gcc doesn't care if Linux is 32 or 64 bit (i.e.:
>> using ILP32 or LP64) as it just refers to the psABI. Is this correct? Do you
>
> It certainly _cares_, because it needs to know whether it's generating
> 32-bit or 64-bit code, but it supports both. And it doesn't make up
> its own rules, it follows the psABI for the processor.
>
>
>> guys have more info on this? white paper, post, code to look, etc ?
>
> More info on what? The psABI or the fact that GCC uses it?
>
> What exactly are you trying to find out? And why are you asking on the
> libstdc++ list?
http://wiki.osdev.org/System_V_ABI might give you some useful links.