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pic32-newlib/TODO

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newlib/libgloss/pic32/exceptions.c
* Code the Stack Save/Restore in _general_exception_context()
* figure out why I can't have both a nomips16 and weak attribute on the
same function
newlib/libgloss/pic32/crt0.S
* either import Microchips version (after we get approval) or Write our own
newlib/libgloss/pic32/read.c, write.c
* output to USART2 as per the standard Microchip libc
Misc:
* Test atexit() function calls really do "run" when exit() is called
* Check what other "syscalls" are missing from the pic32mx libgloss
function (ie, libpic32.a - the Hardware Abrastraction Layer for newlib)