Function kdb_enter

freebsd/kern/subr_kdb.c:497–508

* Enter the currently selected debugger. If a message has been provided, * it is printed first. If the debugger does not support the enter method, * it is entered by using breakpoint(), which enters the debugger through * kdb_trap(). The 'why' argument will contain a more mechanically usable * string than 'msg', and is relied upon by DDB scripting to identify the * reason for entering the de

 * reason for entering the debugger so that the right script can be run.
 */
void
kdb_enter(const char *why, const char *msg)
{

	if (kdb_dbbe != NULL && kdb_active == 0) {
		if (msg != NULL)
			printf("KDB: enter: %s\n", msg);
		kdb_why = why;
		breakpoint();
		kdb_why = KDB_WHY_UNSET;
	}
}

/*
 * Initialize the kernel debugger interface.