C++ (Cpp) uprobe_pre_sstep_notifier Examples

Example #1

File: uprobes.c Project: AllenWeb/linux

/* callback routine for handling exceptions. */
int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data)
{
	struct die_args *args = data;
	struct pt_regs *regs = args->regs;
	int ret = NOTIFY_DONE;

	/* We are only interested in userspace traps */
	if (regs && !user_mode_vm(regs))
		return NOTIFY_DONE;

	switch (val) {
	case DIE_INT3:
		if (uprobe_pre_sstep_notifier(regs))
			ret = NOTIFY_STOP;

		break;

	case DIE_DEBUG:
		if (uprobe_post_sstep_notifier(regs))
			ret = NOTIFY_STOP;

	default:
		break;
	}

	return ret;
}

Example #2

File: uprobes.c Project: TheDarkCode/linux

int arch_uprobe_exception_notify(struct notifier_block *self,
	unsigned long val, void *data)
{
	struct die_args *args = data;
	struct pt_regs *regs = args->regs;

	/* regs == NULL is a kernel bug */
	if (WARN_ON(!regs))
		return NOTIFY_DONE;

	/* We are only interested in userspace traps */
	if (!user_mode(regs))
		return NOTIFY_DONE;

	switch (val) {
	case DIE_UPROBE:
		if (uprobe_pre_sstep_notifier(regs))
			return NOTIFY_STOP;
		break;
	case DIE_UPROBE_XOL:
		if (uprobe_post_sstep_notifier(regs))
			return NOTIFY_STOP;
	default:
		break;
	}

	return 0;
}

Example #3

File: uprobes.c Project: 01org/thunderbolt-software-kernel-tree

static int uprobe_breakpoint_handler(struct pt_regs *regs,
		unsigned int esr)
{
	if (user_mode(regs) && uprobe_pre_sstep_notifier(regs))
		return DBG_HOOK_HANDLED;

	return DBG_HOOK_ERROR;
}