Date: Thu, 4 Jun 2020 15:37:27 -0400 From: Rich Felker <dalias@...c.org> To: David Edelsohn <dje.gcc@...il.com> Cc: musl@...ts.openwall.com, Segher Boessenkool <segher@...nel.crashing.org>, Daniel Kolesa <daniel@...aforge.org>, Michal Suchánek <msuchanek@...e.de>, Joseph Myers <joseph@...esourcery.com>, GNU C Library <libc-alpha@...rceware.org>, eery@...erfox.es, Will Springer <skirmisher@...tonmail.com>, Palmer Dabbelt via binutils <binutils@...rceware.org>, via libc-dev <libc-dev@...ts.llvm.org>, linuxppc-dev@...ts.ozlabs.org Subject: Re: Re: ppc64le and 32-bit LE userland compatibility On Thu, Jun 04, 2020 at 03:00:51PM -0400, David Edelsohn wrote: > On Thu, Jun 4, 2020 at 1:46 PM Rich Felker <dalias@...c.org> wrote: > > > > On Thu, Jun 04, 2020 at 12:33:12PM -0500, Segher Boessenkool wrote: > > > On Thu, Jun 04, 2020 at 01:18:44PM -0400, Rich Felker wrote: > > > > On Thu, Jun 04, 2020 at 12:12:32PM -0500, Segher Boessenkool wrote: > > > > > On Tue, Jun 02, 2020 at 05:13:25PM +0200, Daniel Kolesa wrote: > > > > > > well, ppc64le already cannot be run on those, as far as I know (I > > > > > > don't think it's possible to build ppc64le userland without VSX in > > > > > > any configuration) > > > > > > > > > > VSX is required by the ELFv2 ABI: > > > > > > > > > > """ > > > > > Specifically, to use this ABI and ABI-compliant programs, OpenPOWER- > > > > > compliant processors must implement the following categories: > > > > > > > > This is not actually ABI but IBM policy laundered into an ABI > > > > document, which musl does not honor. > > > > > > It is the ABI. If you think it should be different, make your own ABI, > > > don't pretend the existing ABI is different than what it is. Thank you. > > > > Our ABI is as specified in the ELFv2 document, but with ld as ld64, > > and minus gratuitous requirements on ISA level that are not part of > > implementing linkage. > > Rich, > > If you are changing the Power ELFv2 ABI then it is not the Power ELFv2 > ABI. You can't cherry-pick what you like and claim that it is > compatible. You are not conforming to the ABI. You are aware of this and you are aware that I don't care about your opinion on the matter, and that I don't appreciate your ongoing harassment of users of musl who run on pre-POWER8 hardware that IBM does not approve them using. Rich
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