[PATCH] Add ABI variant infrastructure to Alpha target

[Andrew Cagney]

> Cloned from arm-tdep.c, committed per the mult-arch rule.
> 
>         * alpha-tdep.c (alpha_abi_handler): New structure to describe
>         an Alpha ABI variant. 
>         (alpha_abi_handler_list): Declare. 
>         (alpha_gdbarch_register_os_abi): New function.
>         (alpha_gdbarch_init): Give registered ABI variant handlers a
>         chance to tweak the gdbarch once we have set up defaults.
>         * alpha-tdep.h: Prototype alpha_gdbarch_register_os_abi.
> 

Hmm,

It might be time to think about pushing this upstream into gdbarch.[shc].

Want to create a bug report for the task?

Andrew