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Re: thread-ready ABIs

From: Ulrich Drepper <drepper at redhat dot com>
To: "H . J . Lu" <hjl at lucon dot org>
Cc: "Maciej W. Rozycki" <macro at ds2 dot pg dot gda dot pl>, "Kevin D. Kissell" <kevink at mips dot com>, Machida Hiroyuki <machida at sm dot sony dot co dot jp>, GNU C Library <libc-alpha at sources dot redhat dot com>, linux-mips at oss dot sgi dot com
Date: 21 Jan 2002 13:07:13 -0800
Subject: Re: thread-ready ABIs
References: <003701c1a25f$8abfc120$0deca8c0@Ulysses><Pine.GSO.3.96.1020121144413.22392C-100000@delta.ds2.pg.gda.pl><20020121102455.A27606@lucon.org> <m3zo37tutx.fsf@myware.mynet><20020121105253.B28087@lucon.org>
Reply-to: drepper at redhat dot com (Ulrich Drepper)

"H . J . Lu" <hjl@lucon.org> writes:

> Thq question is if we should reserve $23 outside of glibc. $23 is
> a saved register in the MIPS ABI. It doesn't change across function
> calls. If applications outside of glibc don't need to access the
> thread register directly, that means $23 can be used as a saved
> register.

It depends on the final decisions os the thrad ABI but it is best to
assume that compiler-generated code will access the register.

-- 
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Ulrich Drepper  \    ,-------------------'   \  Sunnyvale, CA 94089 USA
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References:
- Re: thread-ready ABIs
  - From: Kevin D. Kissell
- Re: thread-ready ABIs
  - From: Maciej W. Rozycki
- Re: thread-ready ABIs
  - From: H . J . Lu
- Re: thread-ready ABIs
  - From: Ulrich Drepper
- Re: thread-ready ABIs
  - From: H . J . Lu

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