Re: Update siginfo constants from Linux kernel (bug 21286)

["Dmitry V. Levin" <ldv at altlinux dot org>]

On Thu, Aug 30, 2018 at 03:58:28PM +0000, Joseph Myers wrote:
> As of Linux 4.17, siginfo headers in the Linux kernel have been
> largely unified across architectures (so various constants are defined
> with common values in include/uapi/asm-generic/siginfo.h even if not
> all architectures can generate those particular constants).
> 
> This patch makes glibc reflect that unification and the current set of
> constants in that header as of Linux 4.18.  Various constants are
> added to bits/siginfo-consts.h (under the same feature test macro
> conditions as the other constants with the same prefix), and removed
> from the ia64 bits/siginfo-consts-arch.h where they were previously
> there - this is not limited to constants added by the unification.
> Nothing is done about macros that are defined in
> include/uapi/asm-generic/siginfo.h with names with leading '__' (some
> of those are ia64-specific ones that remain in the ia64
> bits/siginfo-consts-arch.h without the leading '__' there).
> 
> A consequence of these changes is that TRAP_HWBKPT becomes available
> on AArch64 and all other architectures as requested in bug 21286.
> 
> Tested for x86_64; tested with build-many-glibcs.py for ia64.

I've verified that new constants match those defined in Linux kernel headers.


-- 
ldv

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