4 /* A small part of this API is split into its own header */
5 #include "qemu/log-for-trace.h"
8 typedef struct QemuLogFile
{
13 /* Private global variable, don't use */
14 extern QemuLogFile
*qemu_logfile
;
22 /* Log settings checking macros: */
24 /* Returns true if qemu_log() will really write somewhere
26 static inline bool qemu_log_enabled(void)
28 return qemu_logfile
!= NULL
;
31 /* Returns true if qemu_log() will write somewhere else than stderr
33 static inline bool qemu_log_separate(void)
39 logfile
= atomic_rcu_read(&qemu_logfile
);
40 if (logfile
&& logfile
->fd
!= stderr
) {
47 #define CPU_LOG_TB_OUT_ASM (1 << 0)
48 #define CPU_LOG_TB_IN_ASM (1 << 1)
49 #define CPU_LOG_TB_OP (1 << 2)
50 #define CPU_LOG_TB_OP_OPT (1 << 3)
51 #define CPU_LOG_INT (1 << 4)
52 #define CPU_LOG_EXEC (1 << 5)
53 #define CPU_LOG_PCALL (1 << 6)
54 #define CPU_LOG_TB_CPU (1 << 8)
55 #define CPU_LOG_RESET (1 << 9)
56 #define LOG_UNIMP (1 << 10)
57 #define LOG_GUEST_ERROR (1 << 11)
58 #define CPU_LOG_MMU (1 << 12)
59 #define CPU_LOG_TB_NOCHAIN (1 << 13)
60 #define CPU_LOG_PAGE (1 << 14)
61 /* LOG_TRACE (1 << 15) is defined in log-for-trace.h */
62 #define CPU_LOG_TB_OP_IND (1 << 16)
63 #define CPU_LOG_TB_FPU (1 << 17)
64 #define CPU_LOG_PLUGIN (1 << 18)
66 /* Lock output for a series of related logs. Since this is not needed
67 * for a single qemu_log / qemu_log_mask / qemu_log_mask_and_addr, we
68 * assume that qemu_loglevel_mask has already been tested, and that
69 * qemu_loglevel is never set when qemu_logfile is unset.
72 static inline FILE *qemu_log_lock(void)
76 logfile
= atomic_rcu_read(&qemu_logfile
);
78 qemu_flockfile(logfile
->fd
);
85 static inline void qemu_log_unlock(FILE *fd
)
93 /* Logging functions: */
95 /* vfprintf-like logging function
97 static inline void GCC_FMT_ATTR(1, 0)
98 qemu_log_vprintf(const char *fmt
, va_list va
)
100 QemuLogFile
*logfile
;
103 logfile
= atomic_rcu_read(&qemu_logfile
);
105 vfprintf(logfile
->fd
, fmt
, va
);
110 /* log only if a bit is set on the current loglevel mask:
111 * @mask: bit to check in the mask
112 * @fmt: printf-style format string
113 * @args: optional arguments for format string
115 #define qemu_log_mask(MASK, FMT, ...) \
117 if (unlikely(qemu_loglevel_mask(MASK))) { \
118 qemu_log(FMT, ## __VA_ARGS__); \
122 /* log only if a bit is set on the current loglevel mask
123 * and we are in the address range we care about:
124 * @mask: bit to check in the mask
125 * @addr: address to check in dfilter
126 * @fmt: printf-style format string
127 * @args: optional arguments for format string
129 #define qemu_log_mask_and_addr(MASK, ADDR, FMT, ...) \
131 if (unlikely(qemu_loglevel_mask(MASK)) && \
132 qemu_log_in_addr_range(ADDR)) { \
133 qemu_log(FMT, ## __VA_ARGS__); \
139 /* define log items */
140 typedef struct QEMULogItem
{
146 extern const QEMULogItem qemu_log_items
[];
148 void qemu_set_log(int log_flags
);
149 void qemu_log_needs_buffers(void);
150 void qemu_set_log_filename(const char *filename
, Error
**errp
);
151 void qemu_set_dfilter_ranges(const char *ranges
, Error
**errp
);
152 bool qemu_log_in_addr_range(uint64_t addr
);
153 int qemu_str_to_log_mask(const char *str
);
155 /* Print a usage message listing all the valid logging categories
156 * to the specified FILE*.
158 void qemu_print_log_usage(FILE *f
);
160 /* fflush() the log file */
161 void qemu_log_flush(void);
162 /* Close the log file */
163 void qemu_log_close(void);