[PATCH] arm64: LLVMLinux: Provide __aeabi_* symbols which are needed for clang

Mark Charlebois charlebm at gmail.com
Mon Sep 8 14:01:48 PDT 2014


On Sun, Sep 7, 2014 at 12:30 AM, Catalin Marinas
<catalin.marinas at arm.com> wrote:
> On 7 Sep 2014, at 03:30, Mark Charlebois <charlebm at gmail.com> wrote:
>> On Sat, Sep 6, 2014 at 7:16 AM, Arnd Bergmann <arnd at arndb.de> wrote:
>>>
>>> On Friday 05 September 2014 16:23:14 behanw at converseincode.com wrote:
>>>> + *  Copyright (C) 2012  Mark Charlebois
>>>> + */
>>>> +
>>>> +/*
>>>> + * EABI routines
>>>
>>> Does EABI specify these function names? I would think that they are
>>> just random libgcc (whatever that is called in clang) functions.
>>
>> http://infocenter.arm.com/help/topic/com.arm.doc.ihi0043d/IHI0043D_rtabi.pdf
>>
>> See section 4.3.4 Memory copying, clearing, and setting
>
> What does this document have to do with arm64 (AArch64, A64)? We don’t
> need such symbols on arm64. Also, the arm64 kernel links with libgcc (no
> immediate need AFAICT but the compiler does not guarantee the intrinsics
> would always be generated inline).

[reposting in plain text]

This patch was made early in the arm64 kernel support. I just retested
and you are correct, it is no longer needed.  My apologies to all.

-Mark

>
> Catalin



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