asmlinkage void handle_unaligned_c()

in kernel/traps.c [122:143]

• 18 lines of code
• 3 McCabe index (conditional complexity)

asmlinkage void handle_unaligned_c(struct pt_regs *fp, int cause)
{
	unsigned long addr = RDCTL(CTL_BADADDR);

	cause >>= 2;
	fp->ea -= 4;

	if (fixup_exception(fp))
		return;

	if (!user_mode(fp)) {
		pr_alert("Unaligned access from kernel mode, this might be a hardware\n");
		pr_alert("problem, dump registers and restart the instruction\n");
		pr_alert("  BADADDR 0x%08lx\n", addr);
		pr_alert("  cause   %d\n", cause);
		pr_alert("  op-code 0x%08lx\n", *(unsigned long *)(fp->ea));
		show_regs(fp);
		return;
	}

	_exception(SIGBUS, fp, BUS_ADRALN, addr);
}