Manual Pages  — KSTACK_CONTAINS

kstack_contains – determine if an address range lies within the kernel stack for a thread

SYNOPSIS DESCRIPTION RETURN VALUES ERRORS SEE ALSO

#include <machine/stack.h>

bool
kstack_contains(struct thread *td, vm_offset_t va, size_t len);

This function can be used to determine whether a given address range falls within the kernel stack for the thread pointed to by td.

The function kstack_contains() returns true if the range of addresses [ va, Ns, .., Ns, ( va, Ns, +, Ns len, Ns, -, Ns, 1) ] (both addresses inclusive) lies within the kernel stack for the thread pointed to by argument td, or returns false otherwise.

This function does not return an error.