tracing: add support for userspace stacktraces in tracing/iter_ctrl

[mv-sheeva.git] / include / linux / stacktrace.h

diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h
index b106fd8e0d5c4298d6495e1d48cefdd81d21910d..68de51468f5d980e9fd4e9865eafeba25eebf01d 100644 (file)
--- a/include/linux/stacktrace.h
+++ b/include/linux/stacktrace.h
@@ -15,9 +15,17 @@ extern void save_stack_trace_tsk(struct task_struct *tsk,
                                struct stack_trace *trace);
 
 extern void print_stack_trace(struct stack_trace *trace, int spaces);
+
+#ifdef CONFIG_X86
+extern void save_stack_trace_user(struct stack_trace *trace);
+#else
+# define save_stack_trace_user(trace)              do { } while (0)
+#endif
+
 #else
 # define save_stack_trace(trace)                       do { } while (0)
 # define save_stack_trace_tsk(tsk, trace)              do { } while (0)
+# define save_stack_trace_user(trace)              do { } while (0)
 # define print_stack_trace(trace, spaces)              do { } while (0)
 #endif