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/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 #define LOG_GUEST_ERROR    (1 << 11)
  39
  40 /* Returns true if a bit is set in the current loglevel mask
  41  */
  42 static inline bool qemu_loglevel_mask(int mask)
  43 {
  44     return (qemu_loglevel & mask) != 0;
  45 }
  46
  47 /* Logging functions: */
  48
  49 /* main logging function
  50  */
  51 void GCC_FMT_ATTR(1, 2) qemu_log(const char *fmt, ...);
  52
  53 /* vfprintf-like logging function
  54  */
  55 static inline void GCC_FMT_ATTR(1, 0)
  56 qemu_log_vprintf(const char *fmt, va_list va)
  57 {
  58     if (qemu_logfile) {
  59         vfprintf(qemu_logfile, fmt, va);
  60     }
  61 }
  62
  63 /* log only if a bit is set on the current loglevel mask
  64  */
  65 void GCC_FMT_ATTR(2, 3) qemu_log_mask(int mask, const char *fmt, ...);
  66
  67
  68 /* Special cases: */
  69
  70 #ifdef NEED_CPU_H
  71 /* cpu_dump_state() logging functions: */
  72 static inline void log_cpu_state(CPUArchState *env1, int flags)
  73 {
  74     if (qemu_log_enabled()) {
  75         cpu_dump_state(env1, qemu_logfile, fprintf, flags);
  76     }
  77 }
  78
  79 static inline void log_cpu_state_mask(int mask, CPUArchState *env1, int flags)
  80 {
  81     if (qemu_loglevel & mask) {
  82         log_cpu_state(env1, flags);
  83     }
  84 }
  85
  86 /* disas() and target_disas() to qemu_logfile: */
  87 static inline void log_target_disas(CPUArchState *env, target_ulong start,
  88                                     target_ulong len, int flags)
  89 {
  90     target_disas(qemu_logfile, env, start, len, flags);
  91 }
  92
  93 static inline void log_disas(void *code, unsigned long size)
  94 {
  95     disas(qemu_logfile, code, size);
  96 }
  97
  98 #if defined(CONFIG_USER_ONLY)
  99 /* page_dump() output to the log file: */
 100 static inline void log_page_dump(void)
 101 {
 102     page_dump(qemu_logfile);
 103 }
 104 #endif
 105 #endif
 106
 107
 108 /* Maintenance: */
 109
 110 /* fflush() the log file */
 111 static inline void qemu_log_flush(void)
 112 {
 113     fflush(qemu_logfile);
 114 }
 115
 116 /* Close the log file */
 117 static inline void qemu_log_close(void)
 118 {
 119     fclose(qemu_logfile);
 120     qemu_logfile = NULL;
 121 }
 122
 123 /* Set up a new log file */
 124 static inline void qemu_log_set_file(FILE *f)
 125 {
 126     qemu_logfile = f;
 127 }
 128
 129 /* Set up a new log file, only if none is set */
 130 static inline void qemu_log_try_set_file(FILE *f)
 131 {
 132     if (!qemu_logfile) {
 133         qemu_logfile = f;
 134     }
 135 }
 136
 137 /* define log items */
 138 typedef struct CPULogItem {
 139     int mask;
 140     const char *name;
 141     const char *help;
 142 } CPULogItem;
 143
 144 extern const CPULogItem cpu_log_items[];
 145
 146 void qemu_set_log(int log_flags, bool use_own_buffers);
 147
 148 static inline void cpu_set_log(int log_flags)
 149 {
 150 #ifdef CONFIG_USER_ONLY
 151     qemu_set_log(log_flags, true);
 152 #else
 153     qemu_set_log(log_flags, false);
 154 #endif
 155 }
 156
 157 void cpu_set_log_filename(const char *filename);
 158 int cpu_str_to_log_mask(const char *str);
 159
 160 #endif