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