Re: [PATCH v6 33/33] kselftest/riscv: kselftest for user mode cfi

[Zong Li]

On Fri, Oct 11, 2024 at 6:18 PM Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> On Fri, Oct 11, 2024 at 01:44:55PM +0800, Zong Li wrote:
> > On Wed, Oct 9, 2024 at 7:46 AM Deepak Gupta <debug@xxxxxxxxxxxx> wrote:
>
> > > +       if (si->si_code == SEGV_CPERR) {
>
> > Hi Deepak,
> > I got some errors when building this test, I suppose they should be
> > fixed in the next version.
>
> > riscv_cfi_test.c: In function 'sigsegv_handler':
> > riscv_cfi_test.c:17:28: error: 'SEGV_CPERR' undeclared (first use in
> > this function); did you mean 'SEGV_ACCERR'?
> >    17 |         if (si->si_code == SEGV_CPERR) {
> >       |                            ^~~~~~~~~~
> >       |                            SEGV_ACCERR
> >
>
> Did you run "make headers_install" prior to building kselftest to get
> the current kernel's headers available for userspace builds?

Yes, I have run "make header" and "make header_install" before
building the kselftest. This error happens when I cross compiled it,
perhaps I can help to check if it is missing some header files or
header search path.