C++ (Cpp) kgdb_nmicallback Examples

Example #1

File: kgdb.c Project: Aircell/asp-kernel

static int __kgdb_notify(struct die_args *args, unsigned long cmd)
{
	struct pt_regs *regs = args->regs;

	switch (cmd) {
	case DIE_NMI:
		if (atomic_read(&kgdb_active) != -1) {
			/* KGDB CPU roundup */
			kgdb_nmicallback(raw_smp_processor_id(), regs);
			was_in_debug_nmi[raw_smp_processor_id()] = 1;
			touch_nmi_watchdog();
			return NOTIFY_STOP;
		}
		return NOTIFY_DONE;

	case DIE_NMI_IPI:
		/* Just ignore, we will handle the roundup on DIE_NMI. */
		return NOTIFY_DONE;

	case DIE_NMIUNKNOWN:
		if (was_in_debug_nmi[raw_smp_processor_id()]) {
			was_in_debug_nmi[raw_smp_processor_id()] = 0;
			return NOTIFY_STOP;
		}
		return NOTIFY_DONE;

	case DIE_NMIWATCHDOG:
		if (atomic_read(&kgdb_active) != -1) {
			/* KGDB CPU roundup: */
			kgdb_nmicallback(raw_smp_processor_id(), regs);
			return NOTIFY_STOP;
		}
		/* Enter debugger: */
		break;

	case DIE_DEBUG:
		if (atomic_read(&kgdb_cpu_doing_single_step) ==
		    raw_smp_processor_id()) {
			if (user_mode(regs))
				return single_step_cont(regs, args);
			break;
		} else if (test_thread_flag(TIF_SINGLESTEP))
			/* This means a user thread is single stepping
			 * a system call which should be ignored
			 */
			return NOTIFY_DONE;
		/* fall through */
	default:
		if (user_mode(regs))
			return NOTIFY_DONE;
	}

	if (kgdb_handle_exception(args->trapnr, args->signr, args->err, regs))
		return NOTIFY_DONE;

	/* Must touch watchdog before return to normal operation */
	touch_nmi_watchdog();
	return NOTIFY_STOP;
}

Example #2

File: kgdb.c Project: ClarkChen633/rtl819x-toolchain

/*
 * Calls linux_debug_hook before the kernel dies. If KGDB is enabled,
 * then try to fall into the debugger
 */
static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd,
			    void *ptr)
{
	struct die_args *args = (struct die_args *)ptr;
	struct pt_regs *regs = args->regs;
	int trap = (regs->cp0_cause & 0x7c) >> 2;

	/* Userpace events, ignore. */
	if (user_mode(regs))
		return NOTIFY_DONE;

	if (atomic_read(&kgdb_active) != -1)
		kgdb_nmicallback(smp_processor_id(), regs);

	if (kgdb_handle_exception(trap, compute_signal(trap), 0, regs))
		return NOTIFY_DONE;

	if (atomic_read(&kgdb_setting_breakpoint))
		if ((trap == 9) && (regs->cp0_epc == (unsigned long)breakinst))
			regs->cp0_epc += 4;

	/* In SMP mode, __flush_cache_all does IPI */
	local_irq_enable();
	__flush_cache_all();

	return NOTIFY_STOP;
}

Example #3

File: kgdb.c Project: romanbb/android_kernel_lge_d851

static int __kgdb_notify(struct die_args *args, unsigned long cmd)
{
	/*             */
	if (atomic_read(&kgdb_active) != -1) {
		kgdb_nmicallback(smp_processor_id(), args->regs);
		return NOTIFY_STOP;
	}

	if (user_mode(args->regs))
		return NOTIFY_DONE;

	if (kgdb_handle_exception(args->trapnr & 0xff, args->signr, args->err,
				    args->regs))
		return NOTIFY_DONE;

	return NOTIFY_STOP;
}

Example #4

File: kgdb.c Project: Siosm/PIGA-Linux

static void kgdb_call_nmi_hook(void *ignored)
{
       kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
}

Example #5

File: kgdb.c Project: ClarkChen633/rtl819x-toolchain

static void kgdb_call_nmi_hook(void *ignored)
{
	kgdb_nmicallback(raw_smp_processor_id(), NULL);
}

Example #6

File: kgdb.c Project: vikaspot/lisa-kernel

void kgdb_passive_cpu_callback(void *info)
{
	kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
}

Example #7

File: kgdb.c Project: millken/zhuxianB30

void nlm_kgdb_call_nmi_hook(void)
{
    kgdb_nmicallback(raw_smp_processor_id(), NULL);
}

Example #8

File: kgdb.c Project: kozmikkick/eternityprj-kernel-endeavoru-128

static int kgdb_call_nmi_hook(struct pt_regs *regs)
{
	kgdb_nmicallback(raw_smp_processor_id(), regs);
	return 0;
}

Example #9

File: kgdb.c Project: ChineseDr/linux

void debugger_nmi_interrupt(struct pt_regs *regs, enum exception_code code)
{
    kgdb_nmicallback(arch_smp_processor_id(), regs);
    debugger_local_cache_flushinv();
}