From: David Edelsohn <dje.gcc@gmail.com>
To: musl@lists.openwall.com
Cc: "Segher Boessenkool" <segher@kernel.crashing.org>,
"Daniel Kolesa" <daniel@octaforge.org>,
"Michal Suchánek" <msuchanek@suse.de>,
"Joseph Myers" <joseph@codesourcery.com>,
"GNU C Library" <libc-alpha@sourceware.org>,
eery@paperfox.es, "Will Springer" <skirmisher@protonmail.com>,
"Palmer Dabbelt via binutils" <binutils@sourceware.org>,
"via libc-dev" <libc-dev@lists.llvm.org>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [musl] Re: ppc64le and 32-bit LE userland compatibility
Date: Thu, 4 Jun 2020 15:00:51 -0400 [thread overview]
Message-ID: <CAGWvnymiNUWSMeGNDvJk_uc=8OdS1Y_8uE=cd0s2BKCFFe7Dkg@mail.gmail.com> (raw)
In-Reply-To: <20200604174613.GP1079@brightrain.aerifal.cx>
On Thu, Jun 4, 2020 at 1:46 PM Rich Felker <dalias@libc.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.
Thanks, David
next prev parent reply other threads:[~2020-06-04 19:01 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-29 19:03 [musl] " Will Springer
2020-05-29 19:24 ` Rich Felker
2020-05-30 22:56 ` Will Springer
2020-05-30 15:37 ` [musl] " Christophe Leroy
2020-05-30 22:17 ` Will Springer
2020-06-05 23:54 ` Will Springer
2020-06-12 5:13 ` Christophe Leroy
2020-05-30 19:22 ` Segher Boessenkool
2020-05-31 0:57 ` Will Springer
2020-05-31 20:42 ` Segher Boessenkool
2020-05-31 22:29 ` Daniel Kolesa
2020-06-02 1:36 ` Segher Boessenkool
2020-06-01 21:28 ` Joseph Myers
2020-06-01 21:36 ` Rich Felker
2020-06-01 23:26 ` Daniel Kolesa
2020-06-01 23:45 ` Joseph Myers
2020-06-01 23:55 ` Joseph Myers
2020-06-02 0:13 ` Daniel Kolesa
2020-06-02 0:11 ` Daniel Kolesa
2020-06-02 13:40 ` Joseph Myers
2020-06-02 14:23 ` Michal Suchánek
2020-06-02 15:13 ` Daniel Kolesa
2020-06-02 15:27 ` Michal Suchánek
2020-06-02 15:40 ` Daniel Kolesa
2020-06-02 15:56 ` Michal Suchánek
2020-06-04 17:20 ` Segher Boessenkool
2020-06-04 17:12 ` Segher Boessenkool
2020-06-04 17:18 ` Rich Felker
2020-06-04 17:33 ` Segher Boessenkool
2020-06-04 17:46 ` Rich Felker
2020-06-04 19:00 ` David Edelsohn [this message]
2020-06-04 19:37 ` Rich Felker
2020-06-04 20:39 ` Daniel Kolesa
2020-06-04 21:10 ` Segher Boessenkool
2020-06-04 21:43 ` Daniel Kolesa
2020-06-04 22:08 ` Joseph Myers
2020-06-04 22:26 ` Daniel Kolesa
2020-06-05 0:02 ` Segher Boessenkool
2020-06-04 23:42 ` Segher Boessenkool
2020-06-04 23:35 ` Segher Boessenkool
2020-06-05 2:18 ` Daniel Kolesa
2020-06-05 17:27 ` Segher Boessenkool
2020-06-05 17:50 ` Rich Felker
2020-06-05 23:45 ` Segher Boessenkool
2020-06-05 21:59 ` Daniel Kolesa
2020-06-06 0:12 ` Segher Boessenkool
2020-06-06 2:13 ` Daniel Kolesa
2020-06-02 14:52 ` Daniel Kolesa
2020-06-02 2:12 ` Segher Boessenkool
2020-06-02 2:17 ` Daniel Kolesa
2020-06-02 13:50 ` Joseph Myers
2020-06-02 17:47 ` Segher Boessenkool
2020-06-02 1:58 ` Segher Boessenkool
2020-06-02 2:09 ` Jeffrey Walton
2020-06-02 2:12 ` Daniel Kolesa
2020-06-02 2:36 ` Segher Boessenkool
2020-06-02 2:55 ` Daniel Kolesa
2020-06-02 1:42 ` Segher Boessenkool
2020-06-02 2:03 ` Daniel Kolesa
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