void fpu_fpe()

in abiv2/fpu.c [92:123]

• 28 lines of code
• 9 McCabe index (conditional complexity)

void fpu_fpe(struct pt_regs *regs)
{
	int sig, code;
	unsigned int fesr;

	fesr = mfcr("cr<2, 2>");

	sig = SIGFPE;
	code = FPE_FLTUNK;

	if (fesr & FPE_ILLE) {
		sig = SIGILL;
		code = ILL_ILLOPC;
	} else if (fesr & FPE_IDC) {
		sig = SIGILL;
		code = ILL_ILLOPN;
	} else if (fesr & FPE_FEC) {
		sig = SIGFPE;
		if (fesr & FPE_IOC)
			code = FPE_FLTINV;
		else if (fesr & FPE_DZC)
			code = FPE_FLTDIV;
		else if (fesr & FPE_UFC)
			code = FPE_FLTUND;
		else if (fesr & FPE_OFC)
			code = FPE_FLTOVF;
		else if (fesr & FPE_IXC)
			code = FPE_FLTRES;
	}

	force_sig_fault(sig, code, (void __user *)regs->pc);
}