[cfe-dev] [libunwind] __ELF__ macro for arm-none-eabi

[Silviu Baranga via cfe-dev]

> -----Original Message-----
> From: Renato Golin [mailto:renato.golin at linaro.org]
> Sent: 18 April 2016 16:23
> To: Silviu Baranga
> Cc: Zhao, Weiming; cfe-dev at lists.llvm.org Developers; LLVM Dev; Bradley
> Smith
> Subject: Re: [cfe-dev] [libunwind] __ELF__ macro for arm-none-eabi
>
> On 18 April 2016 at 16:18, Silviu Baranga <Silviu.Baranga at arm.com> wrote:
> > This doesn't look like something ACLE specific (I can't find it in the ACLE
> doc).
>
> Sorry, I didn't mean it was ACLE, only that you guys were fiddling with
> macros. :)

Sure :)
>
>
> > This seems to be a generic macro. I think it would make sense to
> > define it if we know we're emitting ELF.
>
> Since the EABI only mentions ELF format, and we even have an ELF EABI,
> wouldn't it make sense to assume the format is ELF when we select EABI? I
> mean, we emit ELF on EABI anyway...
>
> GCC does the same, if that's any argument. :)

Doing a grep "eabi" * -R | grep darwin in llvm I found the test divmod-eabi.ll
which uses the triple armv7-apple-darwin-eabi. What format does that have?

We can find an thumbv7-apple-darwin-eabi target in compiler-rt as well (not in the tests).

Cheers,
Silviu

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