From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.4 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 22501 invoked from network); 4 Jun 2020 19:01:22 -0000 Received: from mother.openwall.net (195.42.179.200) by inbox.vuxu.org with ESMTPUTF8; 4 Jun 2020 19:01:22 -0000 Received: (qmail 16000 invoked by uid 550); 4 Jun 2020 19:01:15 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Reply-To: musl@lists.openwall.com Received: (qmail 15982 invoked from network); 4 Jun 2020 19:01:14 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=TAb2zqBpcbUaIxqO2cRqIQ8Nd9P8dVeR5qUMBkvA0ZM=; b=uUGjDal43dyrA26zYLLe6MHEFkmdu69YhdVSmtmTHwdRGoTYhuKz2NunjjjnC6VEPJ FiYZgohv2gN+b4ELnA4MHHD6SPUiDjH/0W1s8bld8Hr6uzo3GjECmexszkEB8oWOZeKc lFH0KC3sv7MbvSmgykShnOacknj1pqnyo/wQY7bIExzakJD74MrXUkXsSIwk2KfXm8OJ XZG4lh5mx6VONpORuhdImbfxK4GqUgTQcu2d4SyRyyGLCyEwZleW6WqnNzcPmNrBCW8a ajs9t78rtmtkm6NfBIAqxANV/xWO8Ki+nsxa/JcSbplwhWDmMVUYUe3qXPVh0CHmHfnV WqHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=TAb2zqBpcbUaIxqO2cRqIQ8Nd9P8dVeR5qUMBkvA0ZM=; b=o0bKfLPYAin6VxVnnLj21itHtWn+o5ihUycBRGyPmQ4uoAP0gPfKmHfbBGwyQcQgEa yut7DxRITe3eJfOrLmjc88MmDsDFFZjINI8yNOFmjHfmIXXP1FVq0b+CnT9IwddgFdLF L7MAdtszs8doEEngBwszQVhKylRDOayoW4M+JrJxyJUnoxMCmvccUJjumLYB+bk7TRH0 H0jnWuREY6KWzLKOyuOo7KD//U//Y8D97AUDH0IFHUix359P7DiSHXcXrGC6tPpAb+7s WJ0aC8RMxQZNMCTUmF2oF+ueiw8IYwD+jLGwh3p0NIaot2hGOsJLLhzGUJnZ3IRRXBCm T2gg== X-Gm-Message-State: AOAM532NIJSmjRryaxrGBNrJ2Q4oSU1MoOsvRiYR0xSimDfi0+HzyQ1C SVHKGxgKklnYMVXN4NDpmLTDQTGVyFF88Q1zUbWpvKSw X-Google-Smtp-Source: ABdhPJxSobRjBWVYP4ybjQ8tJ0/OsSfXgB1BTq2ITmnVFOU4tf/Vean/ZzTAWBtU1yczZ/kkf07zcqSCFyVoU0HetqA= X-Received: by 2002:a1c:9d96:: with SMTP id g144mr5143394wme.126.1591297263142; Thu, 04 Jun 2020 12:01:03 -0700 (PDT) MIME-Version: 1.0 References: <20200602142337.GS25173@kitsune.suse.cz> <3aeb6dfe-ae23-42f9-ac23-16be6b54a850@www.fastmail.com> <20200604171232.GG31009@gate.crashing.org> <20200604171844.GO1079@brightrain.aerifal.cx> <20200604173312.GI31009@gate.crashing.org> <20200604174613.GP1079@brightrain.aerifal.cx> In-Reply-To: <20200604174613.GP1079@brightrain.aerifal.cx> From: David Edelsohn Date: Thu, 4 Jun 2020 15:00:51 -0400 Message-ID: To: musl@lists.openwall.com Cc: Segher Boessenkool , Daniel Kolesa , =?UTF-8?Q?Michal_Such=C3=A1nek?= , Joseph Myers , GNU C Library , eery@paperfox.es, Will Springer , Palmer Dabbelt via binutils , via libc-dev , linuxppc-dev@lists.ozlabs.org Content-Type: text/plain; charset="UTF-8" Subject: Re: [musl] Re: ppc64le and 32-bit LE userland compatibility On Thu, Jun 4, 2020 at 1:46 PM Rich Felker 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