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 qemu_log_vprintf(const char *fmt, va_list va)
  55 {
  56     if (qemu_logfile) {
  57         vfprintf(qemu_logfile, fmt, va);
  58     }
  59 }
  60
  61 /* log only if a bit is set on the current loglevel mask
  62  */
  63 void GCC_FMT_ATTR(2, 3) qemu_log_mask(int mask, const char *fmt, ...);
  64
  65
  66 /* Special cases: */
  67
  68 #ifdef NEED_CPU_H
  69 /* cpu_dump_state() logging functions: */
  70 static inline void log_cpu_state(CPUArchState *env1, int flags)
  71 {
  72     cpu_dump_state(env1, qemu_logfile, fprintf, flags);
  73 }
  74
  75 static inline void log_cpu_state_mask(int mask, CPUArchState *env1, int flags)
  76 {
  77     if (qemu_loglevel & mask) {
  78         log_cpu_state(env1, flags);
  79     }
  80 }
  81
  82 /* disas() and target_disas() to qemu_logfile: */
  83 static inline void log_target_disas(target_ulong start, target_ulong len,
  84                                     int flags)
  85 {
  86     target_disas(qemu_logfile, start, len, flags);
  87 }
  88
  89 static inline void log_disas(void *code, unsigned long size)
  90 {
  91     disas(qemu_logfile, code, size);
  92 }
  93
  94 #if defined(CONFIG_USER_ONLY)
  95 /* page_dump() output to the log file: */
  96 static inline void log_page_dump(void)
  97 {
  98     page_dump(qemu_logfile);
  99 }
 100 #endif
 101 #endif
 102
 103
 104 /* Maintenance: */
 105
 106 /* fflush() the log file */
 107 static inline void qemu_log_flush(void)
 108 {
 109     fflush(qemu_logfile);
 110 }
 111
 112 /* Close the log file */
 113 static inline void qemu_log_close(void)
 114 {
 115     fclose(qemu_logfile);
 116     qemu_logfile = NULL;
 117 }
 118
 119 /* Set up a new log file */
 120 static inline void qemu_log_set_file(FILE *f)
 121 {
 122     qemu_logfile = f;
 123 }
 124
 125 /* Set up a new log file, only if none is set */
 126 static inline void qemu_log_try_set_file(FILE *f)
 127 {
 128     if (!qemu_logfile) {
 129         qemu_logfile = f;
 130     }
 131 }
 132
 133 /* define log items */
 134 typedef struct CPULogItem {
 135     int mask;
 136     const char *name;
 137     const char *help;
 138 } CPULogItem;
 139
 140 extern const CPULogItem cpu_log_items[];
 141
 142 void cpu_set_log(int log_flags);
 143 void cpu_set_log_filename(const char *filename);
 144 int cpu_str_to_log_mask(const char *str);
 145
 146 #endif