Original sources modified for use in kernel modules.

Bug in function 'memdebug_cleanup' corrected (access just freed struct)

git-svn-id: https://parma.zhaw.ch/svn/csnippets@5 bb4c1ae6-6eb5-4d93-a66e-2307d6765a9c

1 files changed, 82 insertions, 0 deletions

diff --git a/memdebug_kernel/memdebug.h b/memdebug_kernel/memdebug.h
new file mode 100644
index 0000000..ff9ab48
--- /dev/null
+++ b/memdebug_kernel/memdebug.h
@@ -0,0 +1,82 @@
+/*
+ * memdebug - A simple malloc/free debugger
+ *
+ * This can essentially be useful on embedded systems platforms where tools such
+ * as valgrind are not available.
+ *
+ * Copyright (c) 2010 Zurich University of Applied Sciences
+ * Copyright (c) 2010 Tobias Klauser <tklauser@distanz.ch>
+ *
+ * HISTORY
+ * 12.11.2010	gram	Original sources modified for use in kernel modules.
+ * 						Sections (comment blocks) added.
+ * 						Prototype for function 'memdebug_cleanup' added
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MEMDEBUG_H_
+#define MEMDEBUG_H_
+
+/*******************************************************************************
+   Includes
+*******************************************************************************/
+
+
+/*******************************************************************************
+   Definitions
+*******************************************************************************/
+
+
+/*******************************************************************************
+   Structs, Types and Enums
+*******************************************************************************/
+
+
+/*******************************************************************************
+   Macros
+*******************************************************************************/
+
+#ifdef MEMDEBUG_TRACE
+# define memdebug_trace(fmt, args...) \
+	({ \
+	 printk(KERN_DEBUG "*** " fmt " ***\n", ##args); \
+	 })
+#else
+# define memdebug_trace(fmt, args...)
+#endif
+
+#define memdebug_malloc(size, priority) \
+	__memdebug_malloc(size, priority, __func__, __FILE__, __LINE__)
+#define memdebug_free(ptr) \
+	__memdebug_free(ptr, __func__, __FILE__, __LINE__)
+
+/*******************************************************************************
+   Prototypes for external functions
+*******************************************************************************/
+
+void memdebug_cleanup(void);
+void *__memdebug_malloc(size_t size, int priority, const char *func,
+                        const char *file, const unsigned int line);
+void __memdebug_free(void *ptr, const char *func,
+                   const char *file, const unsigned int line);
+void memdebug_report(bool report_free);
+void memdebug_report_brief(void);
+
+#endif /* MEMDEBUG_H_ */