1 files changed, 15 insertions, 0 deletions
diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c
index c9b7ca3..6b60840 100644
--- a/sys/kern/kern_proc.c
+++ b/sys/kern/kern_proc.c
@@ -139,6 +139,21 @@ struct sx proctree_lock;
 struct mtx ppeers_lock;
 uma_zone_t proc_zone;
 
+/*
+ * The offset of various fields in struct proc and struct thread.
+ * These are used by kernel debuggers to enumerate kernel threads and
+ * processes.
+ */
+const int proc_off_p_pid = offsetof(struct proc, p_pid);
+const int proc_off_p_comm = offsetof(struct proc, p_comm);
+const int proc_off_p_list = offsetof(struct proc, p_list);
+const int proc_off_p_threads = offsetof(struct proc, p_threads);
+const int thread_off_td_tid = offsetof(struct thread, td_tid);
+const int thread_off_td_name = offsetof(struct thread, td_name);
+const int thread_off_td_oncpu = offsetof(struct thread, td_oncpu);
+const int thread_off_td_pcb = offsetof(struct thread, td_pcb);
+const int thread_off_td_plist = offsetof(struct thread, td_plist);
+
 int kstack_pages = KSTACK_PAGES;
 SYSCTL_INT(_kern, OID_AUTO, kstack_pages, CTLFLAG_RD, &kstack_pages, 0,
     "Kernel stack size in pages");