| To: | "Ralf Baechle" <ralf@linux-mips.org> |
|---|---|
| Subject: | Re: Cannot unwind through MIPS signal frames with ICACHE_REFILLS_WORKAROUND_WAR |
| From: | "Andrew Pinski" <pinskia@gmail.com> |
| Date: | Tue, 13 Nov 2007 14:11:52 -0800 |
| Cc: | "Franck Bui-Huu" <vagabon.xyz@gmail.com>, "Andrew Haley" <aph-gcc@littlepinkcloud.com>, "David Daney" <ddaney@avtrex.com>, linux-mips@linux-mips.org, "Richard Sandiford" <rsandifo@nildram.co.uk>, gcc@gcc.gnu.org |
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| In-reply-to: | <20071113150146.GC7650@linux-mips.org> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <473957B6.3030202@avtrex.com> <18233.36645.232058.964652@zebedee.pink> <20071113121036.GA6582@linux-mips.org> <cda58cb80711130514x16356ea3x4069616c9ee3caac@mail.gmail.com> <20071113140036.GA7650@linux-mips.org> <cda58cb80711130622u7ef77870iae407f7c8054e9da@mail.gmail.com> <20071113150146.GC7650@linux-mips.org> |
| Sender: | linux-mips-bounce@linux-mips.org |
On 11/13/07, Ralf Baechle <ralf@linux-mips.org> wrote: > Old versions of glibc were probable the most notorious users of trampolines. > Objective C also generates them. Since a cacheflush that is a syscall is > required performance is less than great. No Objective-C does not generate them. Objective-C returns the exact function pointer back. Now libffi generates trampolines. -- Pinski |
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