[PATCH][ARM] Change arm_return_in_memory() to static hook

[Chung-Lin Tang]

Hi there,

This patch changes arm_return_in_memory() to a static
TARGET_RETURN_IN_MEMORY hook.
The current definition of TARGET_RETURN_IN_MEMORY in arm.h gets
overwritten by the default hook definition.
In other words, the struct returning part of the ARM ABI should be
broken for a while by now.
This was probably missed when upgrading from the original
RETURN_IN_MEMORY macro.

Chung-Lin

--

2008-06-16  Chung-Lin Tang  <ctang@marvell.com>

        * arm-protos.h (arm_return_in_memory): Remove public
        arm_return_in_memory() prototype.
        * arm.c (arm_return_in_memory): Add static prototype, add target
hook
        macro, change definition and comments.
        * arm.h (TARGET_RETURN_IN_MEMORY): Remove.

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