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-rw-r--r--vl.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/vl.c b/vl.c
index c1cc614666..7b83c43e73 100644
--- a/vl.c
+++ b/vl.c
@@ -2067,6 +2067,8 @@ int main(int argc, char **argv, char **envp)
#endif
int defconfig = 1;
const char *trace_file = NULL;
+ const char *log_mask = NULL;
+ const char *log_file = NULL;
atexit(qemu_run_exit_notifiers);
error_set_progname(argv[0]);
@@ -2441,7 +2443,10 @@ int main(int argc, char **argv, char **envp)
break;
#endif
case QEMU_OPTION_d:
- set_cpu_log(optarg);
+ log_mask = optarg;
+ break;
+ case QEMU_OPTION_D:
+ log_file = optarg;
break;
case QEMU_OPTION_s:
gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
@@ -2907,6 +2912,18 @@ int main(int argc, char **argv, char **envp)
}
loc_set_none();
+ /* Open the logfile at this point, if necessary. We can't open the logfile
+ * when encountering either of the logging options (-d or -D) because the
+ * other one may be encountered later on the command line, changing the
+ * location or level of logging.
+ */
+ if (log_mask) {
+ if (log_file) {
+ set_cpu_log_filename(log_file);
+ }
+ set_cpu_log(log_mask);
+ }
+
if (!st_init(trace_file)) {
fprintf(stderr, "warning: unable to initialize simple trace backend\n");
}