ARM: 6945/1: Add unwinding support for division functions
The software division functions never had unwinding annotations added. Currently, when a division by zero occurs the backtrace shown will stop at Ldiv0 or some completely unrelated function. Add unwinding annotations in hopes of getting a more useful backtrace when a division by zero occurs. Signed-off-by: NLaura Abbott <lauraa@codeaurora.org> Acked-by: NDave Martin <dave.martin@linaro.org> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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