How do I set a software breakpoint on an ARM processor?

Question

How do I do the equivalent of an x86 software interrupt:

asm( \"int $3\" )

on an ARM processor (specifically a Cortex A8) to generate an event

Answer 1

For Windows on ARM, the instrinsic __debugbreak() still works which utilizes undefined opcode.

nt!DbgBreakPointWithStatus:
defe     __debugbreak