qemu-log.h

   1 #ifndef QEMU_LOG_H
   2 #define QEMU_LOG_H
   3
   4 /* The deprecated global variables: */
   5 extern FILE *logfile;
   6 extern int loglevel;
   7
   8 /*
   9  * The new API:
  10  *
  11  */
  12
  13 /* Log settings checking macros: */
  14
  15 /* Returns true if qemu_log() will really write somewhere
  16  */
  17 #define qemu_log_enabled() (logfile != NULL)
  18
  19 #define CPU_LOG_TB_OUT_ASM (1 << 0)
  20 #define CPU_LOG_TB_IN_ASM  (1 << 1)
  21 #define CPU_LOG_TB_OP      (1 << 2)
  22 #define CPU_LOG_TB_OP_OPT  (1 << 3)
  23 #define CPU_LOG_INT        (1 << 4)
  24 #define CPU_LOG_EXEC       (1 << 5)
  25 #define CPU_LOG_PCALL      (1 << 6)
  26 #define CPU_LOG_IOPORT     (1 << 7)
  27 #define CPU_LOG_TB_CPU     (1 << 8)
  28 #define CPU_LOG_RESET      (1 << 9)
  29
  30 /* Returns true if a bit is set in the current loglevel mask
  31  */
  32 #define qemu_loglevel_mask(b) ((loglevel & (b)) != 0)
  33
  34 /* Logging functions: */
  35
  36 /* main logging function
  37  */
  38 #define qemu_log(...) do {                 \
  39         if (logfile)                       \
  40             fprintf(logfile, ## __VA_ARGS__); \
  41     } while (0)
  42
  43 /* vfprintf-like logging function
  44  */
  45 #define qemu_log_vprintf(fmt, va) do {     \
  46         if (logfile)                       \
  47             vfprintf(logfile, fmt, va);    \
  48     } while (0)
  49
  50 /* log only if a bit is set on the current loglevel mask
  51  */
  52 #define qemu_log_mask(b, ...) do {         \
  53         if (loglevel & (b))                \
  54             fprintf(logfile, ## __VA_ARGS__); \
  55     } while (0)
  56
  57
  58 /* Special cases: */
  59
  60 #ifdef NEED_CPU_H
  61 /* cpu_dump_state() logging functions: */
  62 #define log_cpu_state(env, f) cpu_dump_state((env), logfile, fprintf, (f));
  63 #define log_cpu_state_mask(b, env, f) do {           \
  64       if (loglevel & (b)) log_cpu_state((env), (f)); \
  65   } while (0)
  66
  67 /* disas() and target_disas() to logfile: */
  68 #define log_target_disas(start, len, flags) \
  69         target_disas(logfile, (start), (len), (flags))
  70 #define log_disas(start, len) \
  71         disas(logfile, (start), (len))
  72
  73 /* page_dump() output to the log file: */
  74 #define log_page_dump() page_dump(logfile)
  75 #endif
  76
  77
  78 /* Maintenance: */
  79
  80 /* fflush() the log file */
  81 #define qemu_log_flush() fflush(logfile)
  82
  83 /* Close the log file */
  84 #define qemu_log_close() do { \
  85         fclose(logfile);      \
  86         logfile = NULL;       \
  87     } while (0)
  88
  89 /* Set up a new log file */
  90 #define qemu_log_set_file(f) do { \
  91         logfile = (f);            \
  92     } while (0)
  93
  94 /* Set up a new log file, only if none is set */
  95 #define qemu_log_try_set_file(f) do { \
  96         if (!logfile)                 \
  97             logfile = (f);            \
  98     } while (0)
  99
 100 /* define log items */
 101 typedef struct CPULogItem {
 102     int mask;
 103     const char *name;
 104     const char *help;
 105 } CPULogItem;
 106
 107 extern const CPULogItem cpu_log_items[];
 108
 109 void cpu_set_log(int log_flags);
 110 void cpu_set_log_filename(const char *filename);
 111 int cpu_str_to_log_mask(const char *str);
 112
 113 #endif