Author: nwhitehorn
Date: Wed Oct 2 20:40:21 2013
New Revision: 256007
URL: http://svnweb.freebsd.org/changeset/base/256007
Log:
Implement GET_STACK_USAGE() on PowerPC. This implementation is identical
to that on x86 and sparc64.
Approved by: re (kib)
Modified:
head/sys/powerpc/include/proc.h
Modified: head/sys/powerpc/include/proc.h
==============================================================================
--- head/sys/powerpc/include/proc.h Wed Oct 2 19:23:02 2013
(r256006)
+++ head/sys/powerpc/include/proc.h Wed Oct 2 20:40:21 2013
(r256007)
@@ -54,6 +54,18 @@ struct mdproc {
#endif
#ifdef _KERNEL
+
+#include <machine/pcb.h>
+
+/* Get the current kernel thread stack usage. */
+#define GET_STACK_USAGE(total, used) do {
\
+ struct thread *td = curthread; \
+ (total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb); \
+ (used) = (char *)td->td_kstack + \
+ td->td_kstack_pages * PAGE_SIZE - \
+ (char *)&td; \
+} while (0)
+
struct syscall_args {
u_int code;
struct sysent *callp;
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