From 9a5de18784b77de82e5121861fac892c2d4d2630 Mon Sep 17 00:00:00 2001
From: hunt <hunt>
Date: Wed, 27 Feb 2008 19:45:45 +0000
Subject: 2008-02-27  Martin Hunt  <hunt@redhat.com>

	* sym.h (_stp_module): Add text_size, lock, and unwind data
	pointer.
	* sym.c (_stp_find_module_by_addr): New function.
	(_stp_kallsyms_lookup): Call _stp_find_module_by_addr().
	(_stp_get_unwind_info): New.

	* runtime.h: Move debug macros to debug.h. Include it.
	* debug.h: New file.
	* map.c: Update debug calls.
	* map-gen.c: Update debug calls.
	* pmap-gen.c: Update debug calls.

	* mempool.c: New file.

	* symbols.c: Use rwlocks. Use new dbug macros. Handle
	unwind info if present.

	* transport.c: Include mempool.c. Update dbug and kbug calls
	to new macros.
	* transport_msgs.h (_stp_command_name): Add
	struct containing message names for debugging.

	* control.c, procfs.c: Use new dbug macros. Use
	new mempool functions.
---
 runtime/debug.h | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 runtime/debug.h

(limited to 'runtime/debug.h')

diff --git a/runtime/debug.h b/runtime/debug.h
new file mode 100644
index 00000000..8f877ede
--- /dev/null
+++ b/runtime/debug.h
@@ -0,0 +1,66 @@
+/* Systemtap Debug Macros
+ * Copyright (C) 2008 Red Hat Inc.
+ *
+ * This file is part of systemtap, and is free software.  You can
+ * redistribute it and/or modify it under the terms of the GNU General
+ * Public License (GPL); either version 2, or (at your option) any
+ * later version.
+ */
+
+#ifndef _STP_DEBUG_H_
+#define _STP_DEBUG_H_
+
+/* These are always on.
+ * _dbug() writes to systemtap stderr.
+ * errk() writes to the system log.
+ */
+#define _dbug(args...) _stp_dbug(__FUNCTION__, __LINE__, args)
+
+#define errk(args...) do {						\
+		printk("Systemtap Error at %s:%d ",__FUNCTION__, __LINE__); \
+		printk(args);						\
+	} while (0)
+
+#ifdef DEBUG_TRANSPORT
+#undef DEBUG_TRANSPORT
+#define DEBUG_TRANSPORT 1
+#else
+#define DEBUG_TRANSPORT 0
+#endif
+
+#ifdef DEBUG_UNWIND
+#undef DEBUG_UNWIND
+#define DEBUG_UNWIND 2
+#else
+#define DEBUG_UNWIND 0
+#endif
+
+#ifdef DEBUG_SYMBOLS
+#undef DEBUG_SYMBOLS
+#define DEBUG_SYMBOLS 4
+#else
+#define DEBUG_SYMBOLS 0
+#endif
+
+#define DEBUG_TYPE (DEBUG_TRANSPORT|DEBUG_UNWIND|DEBUG_SYMBOLS)
+
+#if DEBUG_TYPE > 0
+
+#define dbug(type, args...) do {					\
+		if ((type) & DEBUG_TYPE)				\
+			_stp_dbug(__FUNCTION__, __LINE__, args);	\
+	} while (0)
+
+#define kbug(type, args...) do {					\
+		if ((type) & DEBUG_TYPE) {				\
+			printk("%s:%d ",__FUNCTION__, __LINE__);	\
+			printk(args);					\
+		}							\
+	} while (0)
+
+#else
+#define dbug(type, args...) ;
+#define kbug(type, args...) ;
+#endif /* DEBUG_TYPE > 0 */
+
+#endif /* _STP_DEBUG_H_ */
-- 
cgit