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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/* 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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 * The new API:
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 *
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 */
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/* Log settings checking macros: */
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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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/* 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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#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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/* 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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/* 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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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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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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/* Logging functions: */
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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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/* 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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/* 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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/* 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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/* Maintenance: */
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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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extern const QEMULogItem qemu_log_items[];
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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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/* 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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/* 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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#endif
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