-#ifdef KERNEL
-#include "threads/interrupt.h"
-#else
-#include <syscall.h>
-#endif
-
-#define MAX_CLASSES 16
-static bool all_enabled;
-static const char *enabled_classes[MAX_CLASSES];
-static size_t enabled_cnt;
-
-static bool class_is_enabled (const char *class);
-
-/* Enables the debug message classes specified in CLASSES. The
- string CLASSES is modified by and becomes owned by this
- function. */
-void
-debug_enable (char *classes)
-{
- char *class, *save;
-
- for (class = strtok_r (classes, ",", &save); class != NULL;
- class = strtok_r (NULL, ",", &save))
- {
- if (strcmp (class, "all") && enabled_cnt < MAX_CLASSES)
- enabled_classes[enabled_cnt++] = class;
- else
- all_enabled = true;
- }
-}
-
-/* Prints a debug message along with the source file name, line
- number, and function name of where it was emitted. CLASS is
- used to filter out unwanted messages. */
-void
-debug_message (const char *file, int line, const char *function,
- const char *class, const char *message, ...)
-{
- if (class_is_enabled (class))
- {
- va_list args;
-
-#ifdef KERNEL
- enum intr_level old_level = intr_disable ();
-#endif
- printf ("%s:%d: %s(): ", file, line, function);
- va_start (args, message);
- vprintf (message, args);
- printf ("\n");
- va_end (args);
-#ifdef KERNEL
- intr_set_level (old_level);
-#endif
- }
-}
-
-/* Halts the OS, printing the source file name, line number, and
- function name, plus a user-specific message. */
-void
-debug_panic (const char *file, int line, const char *function,
- const char *message, ...)
-{
- va_list args;
-
-#ifdef KERNEL
- intr_disable ();
-#endif
-
- printf ("PANIC at %s:%d in %s(): ", file, line, function);
- va_start (args, message);
- vprintf (message, args);
- printf ("\n");
- va_end (args);
-
- debug_backtrace ();
-
-#ifdef KERNEL
- for (;;);
-#else
- exit (1);
-#endif
-}