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Message-ID: <79f3fcbc-3a44-8584-c766-9f83f76632ba@flatglobe.org>
Date: Wed, 15 Feb 2017 16:14:25 -0500
From: "Tuan M. Hoang" <tmhoang@...tglobe.org>
To: musl@...ts.openwall.com
Subject: Re: musl s390x bug
I applied both the patches from Bobby and fabled. Been testing for a
while, no problem till now. And I was about to confirm it in a couple of
days.
Thanks,
On 02/15/2017 02:57 PM, Rich Felker wrote:
> On Sun, Feb 05, 2017 at 09:45:53PM -0600, Bobby Bingham wrote:
>> On Sun, Feb 05, 2017 at 01:08:36AM +0100, Shiz wrote:
>>>
>>>> Then I applied Shiz's patch to src/ldso/s390x/dlsym.s :
>>>> http://txt.shiz.me/M2Y5NGI3Ym
>>>>
>>>> and I got a segfault when running gcc on Alpine s390x chroot (built using a cross-compiler).
>>>
>>> Note that I know absolutely nothing about S/390 assembly, and this was just an outline of
>>> how such a file would look like from my very quick skimming of the S/390 ABI and assembly
>>> manuals. :P Someone with more knowledge of S/390 stuff should take a proper look at it.
>>>
>>> - Shiz
>>
>> Can you try the attached patch?
>
>> >From c61422be9eb3b5a4867feca5b0caf0da9c1f1a98 Mon Sep 17 00:00:00 2001
>> From: Bobby Bingham <koorogi@...rogi.info>
>> Date: Sun, 5 Feb 2017 21:29:52 -0600
>> Subject: [PATCH] s390x: implement dlsym
>>
>> This was missed when writing the port initially.
>> ---
>> src/ldso/s390x/dlsym.s | 6 ++++++
>> 1 file changed, 6 insertions(+)
>> create mode 100644 src/ldso/s390x/dlsym.s
>>
>> diff --git a/src/ldso/s390x/dlsym.s b/src/ldso/s390x/dlsym.s
>> new file mode 100644
>> index 00000000..2e9fa8fb
>> --- /dev/null
>> +++ b/src/ldso/s390x/dlsym.s
>> @@ -0,0 +1,6 @@
>> + .global dlsym
>> + .hidden __dlsym
>> + .type dlsym,@function
>> +dlsym:
>> + lgr %r4, %r14
>> + jg __dlsym
>> --
>> 2.11.0
>>
>
> Can anyone confirm whether this works? If so I'll commit it.
>
> Rich
>
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