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Re: Cannot unwind through MIPS signal frames with ICACHE_REFILLS_WORKARO

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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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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