util: Split out exec_dir from os_find_datadir

With this change, main() calls qemu_init_exec_dir and uses argv[0] to
init exec_dir. The saved value can be retrieved with
qemu_get_exec_dir later. It will be reused by module loading.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/vl.c b/vl.c
index 316de54101..c1df83d1b3 100644
--- a/vl.c
+++ b/vl.c
@@ -2827,6 +2827,7 @@ int main(int argc, char **argv, char **envp)
 
     atexit(qemu_run_exit_notifiers);
     error_set_progname(argv[0]);
+    qemu_init_exec_dir(argv[0]);
 
     g_mem_set_vtable(&mem_trace);
     if (!g_thread_supported()) {
@@ -3855,7 +3856,7 @@ int main(int argc, char **argv, char **envp)
     /* If no data_dir is specified then try to find it relative to the
        executable path.  */
     if (data_dir_idx < ARRAY_SIZE(data_dir)) {
-        data_dir[data_dir_idx] = os_find_datadir(argv[0]);
+        data_dir[data_dir_idx] = os_find_datadir();
         if (data_dir[data_dir_idx] != NULL) {
             data_dir_idx++;
         }