*
* -->
*
+ * \defgroup debug Debugging facilities and macros
+ * \ingroup core
+ * \{
+ *
* \brief Simple debug facilities for hosted and embedded C/C++ applications.
*
* Debug output goes to stderr in hosted applications.
* Freestanding (AKA embedded) applications use \c drv/kdebug.c to output
* diagnostic messages to a serial terminal or a JTAG debugger.
*
- * \version $Id$
* \author Bernie Innocenti <bernie@codewiz.org>
+ *
+ * $WIZ$ module_name = "debug"
+ * $WIZ$ module_configuration = "bertos/cfg/cfg_debug.h"
+ * $WIZ$ DEBUG = 1
+ * $WIZ$ module_depends = "formatwr"
+ * $WIZ$ module_supports = "not atmega103"
*/
#ifndef BERTOS_DEBUG_H
#include <cfg/os.h>
#include <cfg/compiler.h>
+#include "cfg/cfg_debug.h" /* CONFIG_KDEBUG_* */
/*
* Defaults for rarely used config stuff.
*/
-#ifndef CONFIG_KDEBUG_DISABLE_TRACE
-#define CONFIG_KDEBUG_DISABLE_TRACE 0
+#ifndef CONFIG_KDEBUG_TRACE
+#define CONFIG_KDEBUG_TRACE 1
+#endif
+
+#ifndef CONFIG_KDEBUG_VERBOSE_ASSERT
+#define CONFIG_KDEBUG_VERBOSE_ASSERT 1
#endif
-#ifndef CONFIG_KDEBUG_ASSERT_NO_TEXT
-#define CONFIG_KDEBUG_ASSERT_NO_TEXT 0
+#ifndef CONFIG_KDEBUG_WALLS
+#define CONFIG_KDEBUG_WALLS 1
#endif
#if defined(__doxygen__)
*/
#define DB(x) x
- #include "cfg/cfg_debug.h" /* CONFIG_KDEBUG_ASSERT_NO_TEXT */
#include <cpu/attr.h> /* CPU_HARVARD */
/* These are implemented in drv/kdebug.c */
void __init_wall(long *wall, int size);
#if CPU_HARVARD
- #include <mware/pgm.h>
+ #include <cpu/pgm.h>
void kputs_P(const char *PROGMEM str);
void kprintf_P(const char *PROGMEM fmt, ...) FORMAT(__printf__, 1, 2);
int __bassert_P(const char *PROGMEM cond, const char *PROGMEM file, int line);
int __check_wall(long *wall, int size, const char *name, const char *file, int line);
#endif /* !CPU_HARVARD */
- #if !CONFIG_KDEBUG_ASSERT_NO_TEXT
+ #if CONFIG_KDEBUG_VERBOSE_ASSERT
+ /**
+ * Assert a pre-condition on code.
+ */
#define ASSERT(x) ((void)(LIKELY(x) ? 0 : __bassert(#x, THIS_FILE, __LINE__)))
+ /**
+ * Assert a pre-condition and give explanation message when assert fails
+ */
#define ASSERT2(x, help) ((void)(LIKELY(x) ? 0 : __bassert(help " (" #x ")", THIS_FILE, __LINE__)))
#else
#define ASSERT(x) ((void)(LIKELY(x) ? 0 : __bassert("", THIS_FILE, __LINE__)))
#define ASSERT2(x, help) ((void)ASSERT(x))
#endif
+ #define IS_VALID_PTR(p) (LIKELY((void *)(p) >= (void *)CPU_RAM_START))
/**
* Check that the given pointer is either NULL or pointing to valid memory.
*
* The assumption here is that valid pointers never point to low
* memory regions. This helps catching pointers taken from
* struct/class memebers when the struct pointer was NULL.
+ *
+ * \see ASSERT_VALID_PTR_OR_NULL()
*/
- #define ASSERT_VALID_PTR(p) ((void)(LIKELY((p) >= (void *)CPU_RAM_START) \
- ? 0 : __invalid_ptr(p, #p, THIS_FILE, __LINE__)))
+ #define ASSERT_VALID_PTR(p) (IS_VALID_PTR(p) \
+ ? 0 : __invalid_ptr(p, #p, THIS_FILE, __LINE__))
/**
* Check that the given pointer is not pointing to invalid memory.
*
+ * \note The check for invalid memory is architecture specific and
+ * conservative. The current implementation only checks against
+ * a lower bound.
+ *
* \see ASSERT_VALID_PTR()
*/
- #define ASSERT_VALID_PTR_OR_NULL(p) ((void)(LIKELY((p == NULL) || ((p) >= (void *)CPU_RAM_START)) \
+ #define ASSERT_VALID_PTR_OR_NULL(p) ((void)(LIKELY((p == NULL) \
+ || ((void *)(p) >= (void *)CPU_RAM_START)) \
? 0 : __invalid_ptr((p), #p, THIS_FILE, __LINE__)))
- #if !CONFIG_KDEBUG_DISABLE_TRACE
+ #if CONFIG_KDEBUG_TRACE
#define TRACE __trace(__func__)
#define TRACEMSG(msg,...) __tracemsg(__func__, msg, ## __VA_ARGS__)
#else
#define TRACEMSG(...) do {} while(0)
#endif
-
- /**
- * \name Walls to detect data corruption
- * \{
- */
- #define WALL_SIZE 8
- #define WALL_VALUE (long)0xABADCAFEL
- #define DECLARE_WALL(name,size) long name[(size) / sizeof(long)];
- #define FWD_DECLARE_WALL(name,size) extern long name[(size) / sizeof(long)];
- #define INIT_WALL(name) __init_wall((name), countof(name))
- #define CHECK_WALL(name) __check_wall((name), countof(name), #name, THIS_FILE, __LINE__)
- /*\}*/
-
/**
* Check that the given pointer actually points to an object
* of the specified type.
#define ASSERT(x) ((void)0)
#endif /* ASSERT */
#define ASSERT2(x, help) ((void)0)
+ #define IS_VALID_PTR(p) (1)
#define ASSERT_VALID_PTR(p) ((void)0)
#define ASSERT_VALID_PTR_OR_NULL(p) ((void)0)
#define ASSERT_VALID_OBJ(_t, _o) ((void)0)
}
#endif
- #define DECLARE_WALL(name, size) /* nothing */
- #define FWD_DECLARE_WALL(name, size) /* nothing */
- #define INIT_WALL(name) do {} while (0)
- #define CHECK_WALL(name) do {} while (0)
-
#define NEW_INSTANCE(CLASS) do {} while (0)
#define DELETE_INSTANCE(CLASS) do {} while (0)
#define ASSERT_ZERO_INSTANCES(CLASS) do {} while (0)
#endif /* _DEBUG */
+#if CONFIG_KDEBUG_WALLS
+ /**
+ * \name Walls to detect data corruption
+ * \{
+ */
+ #define WALL_SIZE 8
+ #define WALL_VALUE (long)0xABADCAFEL
+ #define DECLARE_WALL(name,size) long name[(size) / sizeof(long)];
+ #define FWD_DECLARE_WALL(name,size) extern long name[(size) / sizeof(long)];
+ #define INIT_WALL(name) __init_wall((name), countof(name))
+ #define CHECK_WALL(name) __check_wall((name), countof(name), #name, THIS_FILE, __LINE__)
+ /*\}*/
+#else
+ #define DECLARE_WALL(name, size) /* nothing */
+ #define FWD_DECLARE_WALL(name, size) /* nothing */
+ #define INIT_WALL(name) do {} while (0)
+ #define CHECK_WALL(name) do {} while (0)
+#endif
+
+/** \} */ // defgroup debug
+
#endif /* BERTOS_DEBUG_H */
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