The function cast is not portable ISO C.
As of this writing (April 2001),
setting verbosity level is not yet implemented, and is always returned
as zero. So calling ui_out_message with a verbosity
argument more than zero will cause the message to never be printed.
Some D10V instructions are actually pairs of 16-bit sub-instructions. However, since you can't jump into the middle of such a pair, code addresses can only refer to full 32 bit instructions, which is what matters in this explanation.
The above is from the original example and uses K&R C. GDB has since converted to ISO C but lets ignore that.
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