mirror of
https://github.com/qemu/qemu.git
synced 2024-11-25 11:53:39 +08:00
6d2c51466e
These macros are NOT a proposal for a definitive new logging API. They are just a step for it: a way to mark all usage patterns of the logfile/loglevel variables on a single place. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6333 c046a42c-6fe2-441c-8c8c-71466251a162
94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
#ifndef QEMU_LOG_H
|
|
#define QEMU_LOG_H
|
|
|
|
/* The deprecated global variables: */
|
|
extern FILE *logfile;
|
|
extern int loglevel;
|
|
|
|
|
|
/*
|
|
* The new API:
|
|
*
|
|
*/
|
|
|
|
/* Log settings checking macros: */
|
|
|
|
/* Returns true if qemu_log() will really write somewhere
|
|
*/
|
|
#define qemu_log_enabled() (logfile != NULL)
|
|
|
|
/* Returns true if a bit is set in the current loglevel mask
|
|
*/
|
|
#define qemu_loglevel_mask(b) ((loglevel & (b)) != 0)
|
|
|
|
|
|
/* Logging functions: */
|
|
|
|
/* main logging function
|
|
*/
|
|
#define qemu_log(...) do { \
|
|
if (logfile) \
|
|
fprintf(logfile, ## __VA_ARGS__); \
|
|
} while (0)
|
|
|
|
/* vfprintf-like logging function
|
|
*/
|
|
#define qemu_log_vprintf(fmt, va) do { \
|
|
if (logfile) \
|
|
vfprintf(logfile, fmt, va); \
|
|
} while (0)
|
|
|
|
/* log only if a bit is set on the current loglevel mask
|
|
*/
|
|
#define qemu_log_mask(b, ...) do { \
|
|
if (loglevel & (b)) \
|
|
fprintf(logfile, ## __VA_ARGS__); \
|
|
} while (0)
|
|
|
|
|
|
|
|
|
|
/* Special cases: */
|
|
|
|
/* cpu_dump_state() logging functions: */
|
|
#define log_cpu_state(env, f) cpu_dump_state((env), logfile, fprintf, (f));
|
|
#define log_cpu_state_mask(b, env, f) do { \
|
|
if (loglevel & (b)) log_cpu_state((env), (f)); \
|
|
} while (0)
|
|
|
|
/* disas() and target_disas() to logfile: */
|
|
#define log_target_disas(start, len, flags) \
|
|
target_disas(logfile, (start), (len), (flags))
|
|
#define log_disas(start, len) \
|
|
disas(logfile, (start), (len))
|
|
|
|
/* page_dump() output to the log file: */
|
|
#define log_page_dump() page_dump(logfile)
|
|
|
|
|
|
|
|
/* Maintenance: */
|
|
|
|
/* fflush() the log file */
|
|
#define qemu_log_flush() fflush(logfile)
|
|
|
|
/* Close the log file */
|
|
#define qemu_log_close() do { \
|
|
fclose(logfile); \
|
|
logfile = NULL; \
|
|
} while (0)
|
|
|
|
/* Set up a new log file */
|
|
#define qemu_log_set_file(f) do { \
|
|
logfile = (f); \
|
|
} while (0)
|
|
|
|
/* Set up a new log file, only if none is set */
|
|
#define qemu_log_try_set_file(f) do { \
|
|
if (!logfile) \
|
|
logfile = (f); \
|
|
} while (0)
|
|
|
|
|
|
#endif
|