There is no particular reason to keep these functions in the header. Suggested by Paolo. Signed-off-by: Denis V. Lunev <den@openvz.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1458128212-4197-3-git-send-email-den@openvz.org CC: Stefan Hajnoczi <stefanha@redhat.com> CC: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
138 lines
3.6 KiB
C
138 lines
3.6 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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/* 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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/* Logging functions: */
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/* main logging function
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*/
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void 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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/* This is the function that actually does the work of
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* changing the log level; it should only be accessed via
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* the qemu_set_log() wrapper.
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*/
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void do_qemu_set_log(int log_flags, bool use_own_buffers);
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static inline void qemu_set_log(int log_flags)
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{
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#ifdef CONFIG_USER_ONLY
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do_qemu_set_log(log_flags, true);
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#else
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do_qemu_set_log(log_flags, false);
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#endif
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}
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void qemu_set_log_filename(const char *filename);
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void qemu_set_dfilter_ranges(const char *ranges);
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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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