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authorThomas Huth <thuth@redhat.com>2017-04-26 06:11:47 +0200
committerDr. David Alan Gilbert <dgilbert@redhat.com>2017-04-26 14:42:31 +0100
commitb7da97eef74bf834be244de0796ccb01db3985c9 (patch)
treed2dce19498700abae9b4e6d860e5201c68641a9e
parente9628441df3a7aa0ee83601a0cc9111b91e2319a (diff)
downloadfocaccia-qemu-b7da97eef74bf834be244de0796ccb01db3985c9.tar.gz
focaccia-qemu-b7da97eef74bf834be244de0796ccb01db3985c9.zip
monitor: Check whether TCG is enabled before running the "info jit" code
The "info jit" command currently aborts on Mac OS X with the message
"qemu_mutex_lock: Invalid argument" when running with "-M accel=qtest".
We should only call into the TCG code here if TCG has really been
enabled and initialized.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1493179907-22516-1-git-send-email-thuth@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Tested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-rw-r--r--monitor.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/monitor.c b/monitor.c
index a27dc8003f..6289e5256c 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1086,6 +1086,11 @@ static void hmp_info_registers(Monitor *mon, const QDict *qdict)
 
 static void hmp_info_jit(Monitor *mon, const QDict *qdict)
 {
+    if (!tcg_enabled()) {
+        error_report("JIT information is only available with accel=tcg");
+        return;
+    }
+
     dump_exec_info((FILE *)mon, monitor_fprintf);
     dump_drift_info((FILE *)mon, monitor_fprintf);
 }