[PATCH 1/4] [PPC64LE] Add a CALL_ELF macro to indicate use of the ELFv2 ABI.

[Chandler Carruth]

On Tue, Mar 11, 2014 at 12:54 PM, Will Schmidt <will_schmidt at vnet.ibm.com>wrote:

> Add a CALL_ELF macro to clang to indicate use of the ELFv2 ABI.
>
> In code, a (_CALL_ELF==2) check will indicate when the ELFv2 ABI is
> to be used.   This is the desired default for the PPC64 LE target.
>

This is... pretty magical. Even by the measure of random preprocessor
macros.

Can you add some link to a spec which documents this as the spec for how to
detect ELFv2 ABI (at least on PPC)?
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