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Subject: Re: [PATCH] ARM: fix vdsomunge depends on glibc specific byteswap.h
To: "H. Nikolaus Schaller" <hns@goldelico.com>
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CC: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
        Szabolcs Nagy <szabolcs.nagy@arm.com>,
        Russell King <rmk+kernel@arm.linux.org.uk>,
        Will Deacon <will.deacon@arm.com>, Marek Belisko <marek@goldelico.com>,
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From: Nathan Lynch <Nathan_Lynch@mentor.com>
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Date: Wed, 30 Sep 2015 13:17:02 -0500
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On 09/30/2015 12:47 PM, H. Nikolaus Schaller wrote:
> 
> Am 30.09.2015 um 19:37 schrieb Nathan Lynch <Nathan_Lynch@mentor.com>:
>>  Why not just use a generic
>> implementation like is found in mips' elf2ecoff?
> 
> Do you have a reference?
> I can't find byte swapping in
> 
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/arch/mips/boot/elf2ecoff.c?id=refs/tags/v4.3-rc3

See the swab16 and swab32 macros (yes, "swab" not "swap").

Or the __constant_swab* macros in include/linux/uapi/swab.h.