As we don't always take the normal exit path when running a guest we
can skip the normal exit destructors where gcov normally dumps it's
info. The GCC manual suggests long running programs use __gcov_dump()
to flush out the coverage state periodically so we use that here.
Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
diff --git a/linux-user/exit.c b/linux-user/exit.c
index aed8713fae..14e94e28fa 100644
--- a/linux-user/exit.c
+++ b/linux-user/exit.c
@@ -19,10 +19,17 @@
#include "qemu/osdep.h"
#include "qemu.h"
+#ifdef CONFIG_GCOV
+extern void __gcov_dump(void);
+#endif
+
void preexit_cleanup(CPUArchState *env, int code)
{
#ifdef TARGET_GPROF
_mcleanup();
+#endif
+#ifdef CONFIG_GCOV
+ __gcov_dump();
#endif
gdb_exit(env, code);
}
--
2.17.1
