From 36bc03ee9609a8cef067dd36a6a50455431ec4b5 Mon Sep 17 00:00:00 2001
From: Olivier Houchard <cognet@FreeBSD.org>
Date: Mon, 29 Jul 2013 08:07:35 +0000
Subject: [PATCH] Define KDB_STOPPEDPCB, so that we can access the backtraces
 of threads running on other cores.

---
 sys/arm/include/kdb.h | 2 ++
 sys/arm/include/smp.h | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/sys/arm/include/kdb.h b/sys/arm/include/kdb.h
index 3195945207f0..2f0b0877e28a 100644
--- a/sys/arm/include/kdb.h
+++ b/sys/arm/include/kdb.h
@@ -33,6 +33,8 @@
 #include <machine/psl.h>
 #include <machine/cpufunc.h>
 
+#define	KDB_STOPPEDPCB(pc)	&stoppcbs[pc->pc_cpuid]
+
 static __inline void
 kdb_cpu_clear_singlestep(void)
 {
diff --git a/sys/arm/include/smp.h b/sys/arm/include/smp.h
index 3cf3cc184255..a55a70b04c7c 100644
--- a/sys/arm/include/smp.h
+++ b/sys/arm/include/smp.h
@@ -32,4 +32,7 @@ void	platform_mp_init_secondary(void);
 
 void	platform_ipi_send(cpuset_t cpus, u_int ipi);
 
+/* global data in mp_machdep.c */
+extern struct pcb               stoppcbs[];
+
 #endif /* !_MACHINE_SMP_H_ */