[PATCH] xtensa: initialize call_abi in xtensa_tdep

[Joel Brobecker]

> The file include/xtensa-config.h is meant to be replaced by
> processor-specific version where XSHAL_ABI definition may be
> different. That's why I mention 'call0 configuration' in the
> description: when xtensa core is configured without
> windowed registers it will necessarily have call0 ABI.

This is the type of property that is normally dynamically determined.
Is there a way to determine that info from the executable? That would
be the proper way of fixing this issue.

-- 
Joel