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Commit 15ec0908 authored Aug 22, 2011 by Edgar E. Iglesias Committed by Michal Simek Oct 14, 2011

microblaze: Raise SIGFPE/FPE_INTDIV for div by zero



It fixes the signal nr raised for divizion by zero from
SIGILL to SIGFPE, in accordance to POSIX and other archs.

This came up due to a failed test in the GCC testsuite.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>

parent 69515f8b

arch/microblaze/kernel/exceptions.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -119,7 +119,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
		case MICROBLAZE_DIV_ZERO_EXCEPTION:
		if (user_mode(regs)) {
		pr_debug("Divide by zero exception in user mode\n");
		_exception(SIGILL, regs, FPE_INTDIV, addr);
		_exception(SIGFPE, regs, FPE_INTDIV, addr);
		return;
		}
		printk(KERN_WARNING "Divide by zero exception " \