V850 breakpoint support

Gary Thomas gthomas@redhat.com
Mon May 8 07:13:00 GMT 2000

The attached patches are required in order to support breakpoint
on the NEC/V850 (not V850e).  The major complication is that this
processor has variable length instructions (16, 32 bits) and the
"official" illegal instruction [normally used for breakpoints] is
32 bits.  Since GDB doesn't handle this very well, an alternate 
solution involving a useless instruction "br *" was chosen.

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