Date: Wed, 15 Jun 2016 11:31:06 +0200 From: Luca Barbato <lu_zero@...too.org> To: Lei Zhang <zhanglei.april@...il.com>, musl@...ts.openwall.com, Khem Raj <raj.khem@...il.com> Subject: Re: Dynamic linker name On 15/06/16 10:16, Lei Zhang wrote: > 2016-06-15 15:10 GMT+08:00 Felix Janda <felix.janda@...teo.de>: >> Lei Zhang wrote: >>> 2016-06-14 23:56 GMT+08:00 Lei Zhang <zhanglei.april@...il.com>: >>>> 2016-06-14 23:11 GMT+08:00 Rafael Espíndola <rafael.espindola@...il.com>: >>>>> Sorry, but my understanding is that r272662 is correct for x86, no? >>>>> >>>>> We can definitely add support for more arches with musl if someone sends a >>>>> patch to the list. >>>> >>>> If no one intends to do this, I can prepare further patches and >>>> relevant test cases for other archs. >>> >>> Now I'm determining the $ARCH field in musl's dynamic linker name for >>> non-x86 archs. After reading these two patches (thanks to their >>> authors): >>> >>> http://git.alpinelinux.org/cgit/aports/plain/main/clang/clang-0004-Add-musl-targets-and-dynamic-linker.patch >>> https://github.com/kraj/meta-clang/blob/master/recipes-devtools/clang/clang/0001-clang-driver-Add-musl-ldso-support.patch >> >> You should really take a look at musl's configure script. > > I should've done that. Sorry for my laziness... > >> For mips* and powerpc* there are also "-sf" variants. There are also >> "mipsr6*" and "mipsn32*" which might or might not be supported by llvm. > > From LLVM's code, it seems these variants aren't supported. > >>> BTW, I leaved out x32 on purpose, since musl's support for it is >>> experimental (right?), and it requires yet another environment type >>> "muslx32" in LLVM. >> >> x32 support has been in musl for many releases, whereas mips64 has >> not landed in a released version of musl, yet... > > So now I have this list: > > i386 > x86_64 > powerpc > powerpc64 > mips > mipsel > mips64 > mips64el > > which should just work out the box with my previous patch. I'll take > care of x32 and ARM (subarchs and ABIs) with further patches. Powerpc can be little endian as well but it can wait the arm patch as well. lu
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