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Re: [RFC v2][PATCH 15/27] Add Infinity THREAD_SELF macros to sysdeps/sparc/nptl/tls.h
- From: Andreas Schwab <schwab at suse dot de>
- To: Gary Benson <gbenson at redhat dot com>
- Cc: libc-alpha at sourceware dot org
- Date: Mon, 13 Jun 2016 17:08:23 +0200
- Subject: Re: [RFC v2][PATCH 15/27] Add Infinity THREAD_SELF macros to sysdeps/sparc/nptl/tls.h
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- References: <1465814311-31470-1-git-send-email-gbenson at redhat dot com> <1465814311-31470-16-git-send-email-gbenson at redhat dot com> <mvm37oh489i dot fsf at hawking dot suse dot de> <20160613140530 dot GA3443 at blade dot nx>
Gary Benson <gbenson@redhat.com> writes:
> I was trying to make sense of what sparc is doing for libthread_db
> too. It has:
>
> # define DB_THREAD_SELF \
> REGISTER (32, 32, 10 * 4, 0) \
> REGISTER (64, __WORDSIZE, (6 * 8) + (__WORDSIZE==64?0:4), 0)
>
> Similarly s390 has:
>
> # define DB_THREAD_SELF REGISTER (32, 32, 18 * 4, 0) \
> REGISTER (64, __WORDSIZE, 18 * 8, 0)
>
> Could the __WORDSIZE in both of those be replaced with 64?
No, of course not. It is 32 in a 32-bit process.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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