wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/utils/trace.h b/src/utils/trace.h
new file mode 100644
index 0000000..22d3de0
--- /dev/null
+++ b/src/utils/trace.h
@@ -0,0 +1,74 @@
+/*
+ * Backtrace debugging
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef TRACE_H
+#define TRACE_H
+
+#define WPA_TRACE_LEN 16
+
+#ifdef WPA_TRACE
+#include <execinfo.h>
+
+#include "list.h"
+
+#define WPA_TRACE_INFO void *btrace[WPA_TRACE_LEN]; int btrace_num;
+
+struct wpa_trace_ref {
+ struct dl_list list;
+ const void *addr;
+ WPA_TRACE_INFO
+};
+#define WPA_TRACE_REF(name) struct wpa_trace_ref wpa_trace_ref_##name
+
+#define wpa_trace_dump(title, ptr) \
+ wpa_trace_dump_func((title), (ptr)->btrace, (ptr)->btrace_num)
+void wpa_trace_dump_func(const char *title, void **btrace, int btrace_num);
+#define wpa_trace_record(ptr) \
+ (ptr)->btrace_num = backtrace((ptr)->btrace, WPA_TRACE_LEN)
+void wpa_trace_show(const char *title);
+#define wpa_trace_add_ref(ptr, name, addr) \
+ wpa_trace_add_ref_func(&(ptr)->wpa_trace_ref_##name, (addr))
+void wpa_trace_add_ref_func(struct wpa_trace_ref *ref, const void *addr);
+#define wpa_trace_remove_ref(ptr, name, addr) \
+ do { \
+ if ((addr)) \
+ dl_list_del(&(ptr)->wpa_trace_ref_##name.list); \
+ } while (0)
+void wpa_trace_check_ref(const void *addr);
+
+#else /* WPA_TRACE */
+
+#define WPA_TRACE_INFO
+#define WPA_TRACE_REF(n)
+#define wpa_trace_dump(title, ptr) do { } while (0)
+#define wpa_trace_record(ptr) do { } while (0)
+#define wpa_trace_show(title) do { } while (0)
+#define wpa_trace_add_ref(ptr, name, addr) do { } while (0)
+#define wpa_trace_remove_ref(ptr, name, addr) do { } while (0)
+#define wpa_trace_check_ref(addr) do { } while (0)
+
+#endif /* WPA_TRACE */
+
+
+#ifdef WPA_TRACE_BFD
+
+void wpa_trace_dump_funcname(const char *title, void *pc);
+
+#else /* WPA_TRACE_BFD */
+
+#define wpa_trace_dump_funcname(title, pc) do { } while (0)
+
+#endif /* WPA_TRACE_BFD */
+
+#endif /* TRACE_H */