1 #ifndef QEMU_LOG_H 2 #define QEMU_LOG_H 3 4 5 /* Private global variables, don't use */ 6 extern FILE *qemu_logfile; 7 extern int qemu_loglevel; 8 9 /* 10 * The new API: 11 * 12 */ 13 14 /* Log settings checking macros: */ 15 16 /* Returns true if qemu_log() will really write somewhere 17 */ 18 static inline bool qemu_log_enabled(void) 19 { 20 return qemu_logfile != NULL; 21 } 22 23 /* Returns true if qemu_log() will write somewhere else than stderr 24 */ 25 static inline bool qemu_log_separate(void) 26 { 27 return qemu_logfile != NULL && qemu_logfile != stderr; 28 } 29 30 #define CPU_LOG_TB_OUT_ASM (1 << 0) 31 #define CPU_LOG_TB_IN_ASM (1 << 1) 32 #define CPU_LOG_TB_OP (1 << 2) 33 #define CPU_LOG_TB_OP_OPT (1 << 3) 34 #define CPU_LOG_INT (1 << 4) 35 #define CPU_LOG_EXEC (1 << 5) 36 #define CPU_LOG_PCALL (1 << 6) 37 #define CPU_LOG_TB_CPU (1 << 8) 38 #define CPU_LOG_RESET (1 << 9) 39 #define LOG_UNIMP (1 << 10) 40 #define LOG_GUEST_ERROR (1 << 11) 41 #define CPU_LOG_MMU (1 << 12) 42 #define CPU_LOG_TB_NOCHAIN (1 << 13) 43 #define CPU_LOG_PAGE (1 << 14) 44 #define LOG_TRACE (1 << 15) 45 46 /* Returns true if a bit is set in the current loglevel mask 47 */ 48 static inline bool qemu_loglevel_mask(int mask) 49 { 50 return (qemu_loglevel & mask) != 0; 51 } 52 53 /* Logging functions: */ 54 55 /* main logging function 56 */ 57 void GCC_FMT_ATTR(1, 2) qemu_log(const char *fmt, ...); 58 59 /* vfprintf-like logging function 60 */ 61 static inline void GCC_FMT_ATTR(1, 0) 62 qemu_log_vprintf(const char *fmt, va_list va) 63 { 64 if (qemu_logfile) { 65 vfprintf(qemu_logfile, fmt, va); 66 } 67 } 68 69 /* log only if a bit is set on the current loglevel mask 70 */ 71 void GCC_FMT_ATTR(2, 3) qemu_log_mask(int mask, const char *fmt, ...); 72 73 74 /* Maintenance: */ 75 76 /* fflush() the log file */ 77 static inline void qemu_log_flush(void) 78 { 79 fflush(qemu_logfile); 80 } 81 82 /* Close the log file */ 83 static inline void qemu_log_close(void) 84 { 85 if (qemu_logfile) { 86 if (qemu_logfile != stderr) { 87 fclose(qemu_logfile); 88 } 89 qemu_logfile = NULL; 90 } 91 } 92 93 /* define log items */ 94 typedef struct QEMULogItem { 95 int mask; 96 const char *name; 97 const char *help; 98 } QEMULogItem; 99 100 extern const QEMULogItem qemu_log_items[]; 101 102 /* This is the function that actually does the work of 103 * changing the log level; it should only be accessed via 104 * the qemu_set_log() wrapper. 105 */ 106 void do_qemu_set_log(int log_flags, bool use_own_buffers); 107 108 static inline void qemu_set_log(int log_flags) 109 { 110 #ifdef CONFIG_USER_ONLY 111 do_qemu_set_log(log_flags, true); 112 #else 113 do_qemu_set_log(log_flags, false); 114 #endif 115 } 116 117 void qemu_set_log_filename(const char *filename); 118 int qemu_str_to_log_mask(const char *str); 119 120 /* Print a usage message listing all the valid logging categories 121 * to the specified FILE*. 122 */ 123 void qemu_print_log_usage(FILE *f); 124 125 #endif 126