projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 79383c9c BS |
1 | #ifndef QEMU_LOG_H |
| 2 | #define QEMU_LOG_H | |
| 3 | ||
| 6d2c5146 | 4 | /* The deprecated global variables: */ |
| 79383c9c BS |
5 | extern FILE *logfile; |
| 6 | extern int loglevel; | |
| 7 | ||
| 6d2c5146 AL |
8 | |
| 9 | /* | |
| 10 | * The new API: | |
| 11 | * | |
| 12 | */ | |
| 13 | ||
| 14 | /* Log settings checking macros: */ | |
| 15 | ||
| 16 | /* Returns true if qemu_log() will really write somewhere | |
| 17 | */ | |
| 18 | #define qemu_log_enabled() (logfile != NULL) | |
| 19 | ||
| 20 | /* Returns true if a bit is set in the current loglevel mask | |
| 21 | */ | |
| 22 | #define qemu_loglevel_mask(b) ((loglevel & (b)) != 0) | |
| 23 | ||
| 24 | ||
| 25 | /* Logging functions: */ | |
| 26 | ||
| 27 | /* main logging function | |
| 28 | */ | |
| 29 | #define qemu_log(...) do { \ | |
| 30 | if (logfile) \ | |
| 31 | fprintf(logfile, ## __VA_ARGS__); \ | |
| 32 | } while (0) | |
| 33 | ||
| 34 | /* vfprintf-like logging function | |
| 35 | */ | |
| 36 | #define qemu_log_vprintf(fmt, va) do { \ | |
| 37 | if (logfile) \ | |
| 38 | vfprintf(logfile, fmt, va); \ | |
| 39 | } while (0) | |
| 40 | ||
| 41 | /* log only if a bit is set on the current loglevel mask | |
| 42 | */ | |
| 43 | #define qemu_log_mask(b, ...) do { \ | |
| 44 | if (loglevel & (b)) \ | |
| 45 | fprintf(logfile, ## __VA_ARGS__); \ | |
| 46 | } while (0) | |
| 47 | ||
| 48 | ||
| 49 | ||
| 50 | ||
| 51 | /* Special cases: */ | |
| 52 | ||
| 53 | /* cpu_dump_state() logging functions: */ | |
| 54 | #define log_cpu_state(env, f) cpu_dump_state((env), logfile, fprintf, (f)); | |
| 55 | #define log_cpu_state_mask(b, env, f) do { \ | |
| 56 | if (loglevel & (b)) log_cpu_state((env), (f)); \ | |
| 57 | } while (0) | |
| 58 | ||
| 59 | /* disas() and target_disas() to logfile: */ | |
| 60 | #define log_target_disas(start, len, flags) \ | |
| 61 | target_disas(logfile, (start), (len), (flags)) | |
| 62 | #define log_disas(start, len) \ | |
| 63 | disas(logfile, (start), (len)) | |
| 64 | ||
| 65 | /* page_dump() output to the log file: */ | |
| 66 | #define log_page_dump() page_dump(logfile) | |
| 67 | ||
| 68 | ||
| 69 | ||
| 70 | /* Maintenance: */ | |
| 71 | ||
| 72 | /* fflush() the log file */ | |
| 73 | #define qemu_log_flush() fflush(logfile) | |
| 74 | ||
| 75 | /* Close the log file */ | |
| 76 | #define qemu_log_close() do { \ | |
| 77 | fclose(logfile); \ | |
| 78 | logfile = NULL; \ | |
| 79 | } while (0) | |
| 80 | ||
| 81 | /* Set up a new log file */ | |
| 82 | #define qemu_log_set_file(f) do { \ | |
| 83 | logfile = (f); \ | |
| 84 | } while (0) | |
| 85 | ||
| 86 | /* Set up a new log file, only if none is set */ | |
| 87 | #define qemu_log_try_set_file(f) do { \ | |
| 88 | if (!logfile) \ | |
| 89 | logfile = (f); \ | |
| 90 | } while (0) | |
| 91 | ||
| 92 | ||
| 79383c9c | 93 | #endif |