Re: [PATCH] libsanitizer: cherry-pick commit 05551c658269 from upstream

["H.J. Lu" <hjl.tools@gmail.com>]

On Thu, Apr 27, 2023 at 12:03 AM Martin Liška <mliska@suse.cz> wrote:
>
> On 4/27/23 04:32, H.J. Lu via Gcc-patches wrote:
> > cherry-pick:
>
> Can you please wait a few days before it? I'm going to merge again
> in the near future after https://reviews.llvm.org/D144073 got handled.

Sure.

> Martin
>
> >
> > 05551c658269 [sanitizer] Correct alignment of x32 __sanitizer_siginfo
> >
> >       * sanitizer_common/sanitizer_platform_limits_posix.h
> >       (__sanitizer_siginfo_pad): Use u64 to align x32
> >       __sanitizer_siginfo to 8 bytes.
> > ---
> >  .../sanitizer_common/sanitizer_platform_limits_posix.h       | 5 +++++
> >  1 file changed, 5 insertions(+)
> >
> > diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
> > index cfca7bdedbe..e6f298c26e1 100644
> > --- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
> > +++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
> > @@ -578,8 +578,13 @@ struct __sanitizer_sigset_t {
> >  #endif
> >
> >  struct __sanitizer_siginfo_pad {
> > +#if SANITIZER_X32
> > +  // x32 siginfo_t is aligned to 8 bytes.
> > +  u64 pad[128 / sizeof(u64)];
> > +#else
> >    // Require uptr, because siginfo_t is always pointer-size aligned on Linux.
> >    uptr pad[128 / sizeof(uptr)];
> > +#endif
> >  };
> >
> >  #if SANITIZER_LINUX
>


-- 
H.J.