| To: | "H . J . Lu" <hjl@lucon.org> |
|---|---|
| Subject: | Re: thread-ready ABIs |
| From: | Ulrich Drepper <drepper@redhat.com> |
| Date: | 21 Jan 2002 13:07:13 -0800 |
| Cc: | "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>, "Kevin D. Kissell" <kevink@mips.com>, Machida Hiroyuki <machida@sm.sony.co.jp>, GNU C Library <libc-alpha@sources.redhat.com>, linux-mips@oss.sgi.com |
| In-reply-to: | <20020121105253.B28087@lucon.org> |
| 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@redhat.com (Ulrich Drepper) |
| Sender: | owner-linux-mips@oss.sgi.com |
| User-agent: | Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.5 (asparagus) |
"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. -- ---------------. ,-. 1325 Chesapeake Terrace Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA Red Hat `--' drepper at redhat.com `------------------------ |
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