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Date: Thu, 16 Apr 2020 11:58:00 +0200
From: Szabolcs Nagy <nsz@port70.net>
To: Nicholas Piggin via Libc-alpha <libc-alpha@sourceware.org>
Cc: Rich Felker <dalias@libc.org>, libc-dev@lists.llvm.org,
	linuxppc-dev@lists.ozlabs.org, musl@lists.openwall.com
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Subject: Re: [musl] Powerpc Linux 'scv' system call ABI proposal take 2

* Nicholas Piggin via Libc-alpha <libc-alpha@sourceware.org> [2020-04-16 10:16:54 +1000]:
> Well it would have to test HWCAP and patch in or branch to two 
> completely different sequences including register save/restores yes.
> You could have the same asm and matching clobbers to put the sequence
> inline and then you could patch the one sc/scv instruction I suppose.

how would that 'patch' work?

there are many reasons why you don't
want libc to write its .text