qemu-log.h

   1 #ifndef QEMU_LOG_H
   2 #define QEMU_LOG_H
   3
   4 #include <stdarg.h>
   5 #ifdef NEED_CPU_H
   6 #include "disas.h"
   7 #endif
   8
   9 /* Private global variables, don't use */
  10 extern FILE *qemu_logfile;
  11 extern int qemu_loglevel;
  12
  13 /*
  14  * The new API:
  15  *
  16  */
  17
  18 /* Log settings checking macros: */
  19
  20 /* Returns true if qemu_log() will really write somewhere
  21  */
  22 static inline bool qemu_log_enabled(void)
  23 {
  24     return qemu_logfile != NULL;
  25 }
  26
  27 #define CPU_LOG_TB_OUT_ASM (1 << 0)
  28 #define CPU_LOG_TB_IN_ASM  (1 << 1)
  29 #define CPU_LOG_TB_OP      (1 << 2)
  30 #define CPU_LOG_TB_OP_OPT  (1 << 3)
  31 #define CPU_LOG_INT        (1 << 4)
  32 #define CPU_LOG_EXEC       (1 << 5)
  33 #define CPU_LOG_PCALL      (1 << 6)
  34 #define CPU_LOG_IOPORT     (1 << 7)
  35 #define CPU_LOG_TB_CPU     (1 << 8)
  36 #define CPU_LOG_RESET      (1 << 9)
  37 #define LOG_UNIMP          (1 << 10)
  38
  39 /* Returns true if a bit is set in the current loglevel mask
  40  */
  41 static inline bool qemu_loglevel_mask(int mask)
  42 {
  43     return (qemu_loglevel & mask) != 0;
  44 }
  45
  46 /* Logging functions: */
  47
  48 /* main logging function
  49  */
  50 void GCC_FMT_ATTR(1, 2) qemu_log(const char *fmt, ...);
  51
  52 /* vfprintf-like logging function
  53  */
  54 static inline void GCC_FMT_ATTR(1, 0)
  55 qemu_log_vprintf(const char *fmt, va_list va)
  56 {
  57     if (qemu_logfile) {
  58         vfprintf(qemu_logfile, fmt, va);
  59     }
  60 }
  61
  62 /* log only if a bit is set on the current loglevel mask
  63  */
  64 void GCC_FMT_ATTR(2, 3) qemu_log_mask(int mask, const char *fmt, ...);
  65
  66
  67 /* Special cases: */
  68
  69 #ifdef NEED_CPU_H
  70 /* cpu_dump_state() logging functions: */
  71 static inline void log_cpu_state(CPUArchState *env1, int flags)
  72 {
  73     if (qemu_log_enabled()) {
  74         cpu_dump_state(env1, qemu_logfile, fprintf, flags);
  75     }
  76 }
  77
  78 static inline void log_cpu_state_mask(int mask, CPUArchState *env1, int flags)
  79 {
  80     if (qemu_loglevel & mask) {
  81         log_cpu_state(env1, flags);
  82     }
  83 }
  84
  85 /* disas() and target_disas() to qemu_logfile: */
  86 static inline void log_target_disas(target_ulong start, target_ulong len,
  87                                     int flags)
  88 {
  89     target_disas(qemu_logfile, start, len, flags);
  90 }
  91
  92 static inline void log_disas(void *code, unsigned long size)
  93 {
  94     disas(qemu_logfile, code, size);
  95 }
  96
  97 #if defined(CONFIG_USER_ONLY)
  98 /* page_dump() output to the log file: */
  99 static inline void log_page_dump(void)
 100 {
 101     page_dump(qemu_logfile);
 102 }
 103 #endif
 104 #endif
 105
 106
 107 /* Maintenance: */
 108
 109 /* fflush() the log file */
 110 static inline void qemu_log_flush(void)
 111 {
 112     fflush(qemu_logfile);
 113 }
 114
 115 /* Close the log file */
 116 static inline void qemu_log_close(void)
 117 {
 118     fclose(qemu_logfile);
 119     qemu_logfile = NULL;
 120 }
 121
 122 /* Set up a new log file */
 123 static inline void qemu_log_set_file(FILE *f)
 124 {
 125     qemu_logfile = f;
 126 }
 127
 128 /* Set up a new log file, only if none is set */
 129 static inline void qemu_log_try_set_file(FILE *f)
 130 {
 131     if (!qemu_logfile) {
 132         qemu_logfile = f;
 133     }
 134 }
 135
 136 /* define log items */
 137 typedef struct CPULogItem {
 138     int mask;
 139     const char *name;
 140     const char *help;
 141 } CPULogItem;
 142
 143 extern const CPULogItem cpu_log_items[];
 144
 145 void cpu_set_log(int log_flags);
 146 void cpu_set_log_filename(const char *filename);
 147 int cpu_str_to_log_mask(const char *str);
 148
 149 #endif