Re: [PATCH v10 16/38] x86/ptrace: Add FRED additional information to the pt_regs structure

[Nikolay Borisov]

On 20.09.23 г. 20:23 ч., Li, Xin3 wrote:
> > > +struct fred_ss {
> > > +	u64	ss	: 16,	// SS selector
> >
> > Is this structure conformant to the return state as described in FRED 5.0?
> >
> > — The stack segment of the interrupted context, 64 bits formatted as follows:
> >
> > • Bits 15:0 contain the SS selector. < - WE HAVE THIS
> >
> > • Bits 31:16 are not currently defined and will be zero until they are.
>
> Where did you download the FRED 5.0 spec from?
>
> Mine says bit 16 is sti, bit 17 for sw initiated events and bit 18 is NMI.
>
> I guess you have FRED 3.0 spec, no?
Doh you are right, I was looking at the wrong version of the document 
.... sorry for the noise.
> >   < - MISSING > hole?
> >
> > > +		sti	:  1,	// STI state < -
> > > +		swevent	:  1,	// Set if syscall, sysenter or INT n
> > > +		nmi	:  1,	// Event is NMI type
> > > +			: 13,
>