142 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			142 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
| #ifndef QEMU_LOG_H
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| #define QEMU_LOG_H
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| 
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| 
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| /* Private global variables, don't use */
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| extern FILE *qemu_logfile;
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| extern int qemu_loglevel;
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| 
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| /* 
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|  * The new API:
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|  *
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|  */
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| 
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| /* Log settings checking macros: */
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| 
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| /* Returns true if qemu_log() will really write somewhere
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|  */
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| static inline bool qemu_log_enabled(void)
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| {
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|     return qemu_logfile != NULL;
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| }
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| 
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| /* Returns true if qemu_log() will write somewhere else than stderr
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|  */
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| static inline bool qemu_log_separate(void)
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| {
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|     return qemu_logfile != NULL && qemu_logfile != stderr;
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| }
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| 
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| #define CPU_LOG_TB_OUT_ASM (1 << 0)
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| #define CPU_LOG_TB_IN_ASM  (1 << 1)
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| #define CPU_LOG_TB_OP      (1 << 2)
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| #define CPU_LOG_TB_OP_OPT  (1 << 3)
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| #define CPU_LOG_INT        (1 << 4)
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| #define CPU_LOG_EXEC       (1 << 5)
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| #define CPU_LOG_PCALL      (1 << 6)
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| #define CPU_LOG_TB_CPU     (1 << 8)
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| #define CPU_LOG_RESET      (1 << 9)
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| #define LOG_UNIMP          (1 << 10)
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| #define LOG_GUEST_ERROR    (1 << 11)
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| #define CPU_LOG_MMU        (1 << 12)
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| #define CPU_LOG_TB_NOCHAIN (1 << 13)
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| #define CPU_LOG_PAGE       (1 << 14)
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| #define LOG_TRACE          (1 << 15)
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| #define CPU_LOG_TB_OP_IND  (1 << 16)
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| 
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| /* Returns true if a bit is set in the current loglevel mask
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|  */
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| static inline bool qemu_loglevel_mask(int mask)
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| {
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|     return (qemu_loglevel & mask) != 0;
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| }
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| 
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| /* Lock output for a series of related logs.  Since this is not needed
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|  * for a single qemu_log / qemu_log_mask / qemu_log_mask_and_addr, we
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|  * assume that qemu_loglevel_mask has already been tested, and that
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|  * qemu_loglevel is never set when qemu_logfile is unset.
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|  */
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| 
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| static inline void qemu_log_lock(void)
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| {
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|     qemu_flockfile(qemu_logfile);
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| }
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| 
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| static inline void qemu_log_unlock(void)
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| {
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|     qemu_funlockfile(qemu_logfile);
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| }
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| 
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| /* Logging functions: */
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| 
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| /* main logging function
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|  */
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| int GCC_FMT_ATTR(1, 2) qemu_log(const char *fmt, ...);
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| 
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| /* vfprintf-like logging function
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|  */
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| static inline void GCC_FMT_ATTR(1, 0)
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| qemu_log_vprintf(const char *fmt, va_list va)
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| {
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|     if (qemu_logfile) {
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|         vfprintf(qemu_logfile, fmt, va);
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|     }
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| }
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| 
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| /* log only if a bit is set on the current loglevel mask:
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|  * @mask: bit to check in the mask
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|  * @fmt: printf-style format string
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|  * @args: optional arguments for format string
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|  */
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| #define qemu_log_mask(MASK, FMT, ...)                   \
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|     do {                                                \
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|         if (unlikely(qemu_loglevel_mask(MASK))) {       \
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|             qemu_log(FMT, ## __VA_ARGS__);              \
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|         }                                               \
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|     } while (0)
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| 
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| /* log only if a bit is set on the current loglevel mask
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|  * and we are in the address range we care about:
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|  * @mask: bit to check in the mask
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|  * @addr: address to check in dfilter
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|  * @fmt: printf-style format string
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|  * @args: optional arguments for format string
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|  */
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| #define qemu_log_mask_and_addr(MASK, ADDR, FMT, ...)    \
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|     do {                                                \
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|         if (unlikely(qemu_loglevel_mask(MASK)) &&       \
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|                      qemu_log_in_addr_range(ADDR)) {    \
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|             qemu_log(FMT, ## __VA_ARGS__);              \
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|         }                                               \
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|     } while (0)
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| 
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| /* Maintenance: */
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| 
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| /* define log items */
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| typedef struct QEMULogItem {
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|     int mask;
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|     const char *name;
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|     const char *help;
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| } QEMULogItem;
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| 
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| extern const QEMULogItem qemu_log_items[];
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| 
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| void qemu_set_log(int log_flags);
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| void qemu_log_needs_buffers(void);
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| void qemu_set_log_filename(const char *filename, Error **errp);
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| void qemu_set_dfilter_ranges(const char *ranges, Error **errp);
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| bool qemu_log_in_addr_range(uint64_t addr);
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| int qemu_str_to_log_mask(const char *str);
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| 
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| /* Print a usage message listing all the valid logging categories
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|  * to the specified FILE*.
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|  */
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| void qemu_print_log_usage(FILE *f);
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| 
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| /* fflush() the log file */
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| void qemu_log_flush(void);
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| /* Close the log file */
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| void qemu_log_close(void);
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| 
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| #endif
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