[ECOS] cyg_hal_gdb_interrupt

[John Newlin <jnewlin at rawbw dot com>]

In file:
packages/hal/common/current/src/hal_stub.c

There is this wonderful function: cyg_hal_gdb_interrupt

This function saves the current instruction, and installs a break
instruction.  Generally this is safe, but on the Xtensa architecture
instructions can be on any address alignment, which will cause the load of
the old instruction and store of the new instruction to generate an
exception.

Is there a general way to override this function, or if I made a change to
do a memcpy instead of load/store would you accept that back into the
tree?

Thanks,

-john


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