From: Lei Zhang <zhanglei.april@gmail.com>
To: Lei Zhang <zhanglei.april@gmail.com>,
llvm-commits <llvm-commits@lists.llvm.org>,
cfe-commits cfe <cfe-commits@lists.llvm.org>,
gentoo-musl@lists.gentoo.org, musl@lists.openwall.com
Subject: Re: [gentoo-musl] Re: Add support for musl-libc on Linux
Date: Mon, 13 Jun 2016 21:50:16 +0800 [thread overview]
Message-ID: <CAOYuCc0t_eyGoOm0oozYmj55eA3Jvb48h7tGOtiMBjGWtDT1RQ@mail.gmail.com> (raw)
In-Reply-To: <20160613132155.GA31934@nyan>
2016-06-13 21:21 GMT+08:00 Felix Janda <felix.janda@posteo.de>:
> [Added CC to the musl list]
>
> Lei Zhang wrote:
>> 2016-06-13 3:07 GMT+08:00 Joerg Sonnenberger <joerg@bec.de>:
>> > On Sun, Jun 12, 2016 at 10:51:11AM +0800, Lei Zhang via llvm-commits wrote:
>> >> Hi,
>> >>
>> >> I'm replying to this thread; sorry I wasn't subscribed to the list,
>> >> thus cannot reply to it directly.
>> >>
>> >> http://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20160606/161733.html
>> >>
>> >> Joerg, thanks for your reply. Could you please tell me what kind of
>> >> test cases I should prepare?
>> >
>> > The target/triple parser has a unit test in
>> > unittests/ADT/TripleTest.cpp. The rest should get output validation in
>> > clang's test/Driver directory. Not sure which one is the primary
>> > GNU/Linux test.
>>
>> Thanks for the pointer :)
>>
>> The patches are re-attached with test cases included. Do they look sane enough?
>
>> --- lib/Driver/ToolChains.cpp (revision 272546)
>> +++ lib/Driver/ToolChains.cpp (working copy)
>> @@ -4152,6 +4152,8 @@
>>
>> if (Triple.isAndroid())
>> return Triple.isArch64Bit() ? "/system/bin/linker64" : "/system/bin/linker";
>> + else if (Triple.getEnvironment() == llvm::Triple::Musl)
>> + return "/lib/ld-musl-" + Triple.getArchName().str() + ".so.1";
>
> It does not seem to me that the dynamic linker name detection will work
> on most archs not in the test cases. For example, the arm gentoo musl
> stage3's have the target triple
You're right. Frankly I've only had x86 platforms on my mind so far;
but I agree with Rafael that we could extend this to other archs in
the future.
> It seems difficult to get all cases right and some of them might not be
> very interesting, but it would be nice to have a more intelligent patch.
> See for example
>
> http://git.alpinelinux.org/cgit/aports/plain/main/clang/clang-0004-Add-musl-targets-and-dynamic-linker.patch
This looks neat :)
Lei
next prev parent reply other threads:[~2016-06-13 13:50 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAOYuCc1atr0QjQud-nxdj3rPN0Hj16u__kAs5LRmU+Ff6shtBA@mail.gmail.com>
[not found] ` <20160612190745.GA21691@britannica.bec.de>
[not found] ` <CAOYuCc1NZNxEPLonrHD++QPTYgq90Bwz0B16CLXiJrEAf-zNJQ@mail.gmail.com>
[not found] ` <CAOYuCc1NZNxEPLonrHD++QPTYgq90Bwz0B16CLXiJrEAf-zNJQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-13 13:21 ` Felix Janda via cfe-commits
2016-06-13 13:50 ` Lei Zhang [this message]
[not found] ` <CAOYuCc0t_eyGoOm0oozYmj55eA3Jvb48h7tGOtiMBjGWtDT1RQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-13 21:00 ` Rafael Espíndola via llvm-commits
[not found] ` <CAG3jReK_cUOGaOHwQT1gzTBWRVsFuArywZuoXD==m5n-_ZEXKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-14 1:07 ` Lei Zhang via llvm-commits
[not found] ` <CAOYuCc3gtPz8XhGyAsDcsCjvZPLDwSAGOXwXeu=urXmwck61mQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-14 12:55 ` Rafael Espíndola via cfe-commits
2016-06-15 8:28 ` Lei Zhang via cfe-commits
[not found] ` <CAOYuCc125C-5QjqWhK-QuU4zZvTqb+OsZhxQjowJidZaYBYY4g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-15 20:09 ` Rafael Espíndola via cfe-commits
2016-06-17 9:50 ` Lei Zhang via cfe-commits
[not found] ` <CAOYuCc3C27jqG8uyCOkDgcOAcgaFXEz7k9O8+Tqyjv9WYH2M1Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-18 0:52 ` Rafael Espíndola via cfe-commits
[not found] ` <CAG3jReKcdL3Hn5L0sOAAM34CKoUn=J-pusOV+CRyfYRLnvnp4Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-20 9:37 ` Peter Smith via llvm-commits
[not found] ` <CAEt-8LBteTKKdYDa2GUveGNbQu12c3gBgTEeiU5p1ONsTu_VaQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-20 10:59 ` Lei Zhang via cfe-commits
2016-06-20 11:28 ` Szabolcs Nagy
[not found] ` <CAOYuCc2yxgYFSzDjJP0SJho5Hs=zb635ysinwbg=SZ=CZJt9_Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-20 11:44 ` Peter Smith via cfe-commits
[not found] ` <CAEt-8LCQ5H2vE_PXPxs+Gr2=roBT9BuT487w2at3UAKhFqqYxA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-20 13:09 ` Lei Zhang via llvm-commits
2016-06-20 11:05 ` Lei Zhang via llvm-commits
[not found] ` <CAOYuCc1+_xKLK2FOvCKNpKO4BZO07hd2Cbft8p_YO3chSR41UA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-21 13:36 ` Lei Zhang via cfe-commits
[not found] ` <CAOYuCc1_5a15MZ4tEQZAn84rf3Y7dzugzX1TTpSgACQ+d_k3Aw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-21 15:07 ` Peter Smith via cfe-commits
[not found] ` <CAEt-8LCXdLMPyo+d9B5SjR5xQKbSNT_sjXvyffjeMH1V_22csw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-22 8:03 ` Lei Zhang via llvm-commits
[not found] ` <CAOYuCc3A-tf1LUVHtuUjAfjphRvrJfAbQUaC_bVPEyNTP=LQQg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-22 8:55 ` Peter Smith via llvm-commits
[not found] ` <CAEt-8LA2nA1XXgwiH1Z72vm903V8PH-fsitS_QVAgXkjkzThvQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-24 3:25 ` Lei Zhang via cfe-commits
[not found] ` <CAOYuCc3h1LvG4Ky8u8EqC6x12jg_c3XLUjo3BLuOQkQphVJUSQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-24 8:02 ` Peter Smith via cfe-commits
[not found] ` <CAEt-8LBNJ+hn_Ws086H_xZxSK+btFou_e02OCaJ-MxVsXV__wg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-25 2:18 ` Lei Zhang via cfe-commits
2016-06-14 8:47 ` Szabolcs Nagy
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