stubdom: sparse application's BSS by linking it separately first, put

markers at its beginning and end, and then link with mini-os.
That permits to stick a bit more to upstream qemu.

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/extras/mini-os/main.c b/extras/mini-os/main.c
index a8b68ac902..6e67b01138 100644
--- a/extras/mini-os/main.c
+++ b/extras/mini-os/main.c
@@ -39,6 +39,7 @@ void _fini(void)
 {
 }
 
+extern char __app_bss_start, __app_bss_end;
 static void call_main(void *p)
 {
     char *args, /**path,*/ *msg, *c;
@@ -56,6 +57,7 @@ static void call_main(void *p)
      * crashing. */
     //sleep(1);
 
+    sparse((unsigned long) &__app_bss_start, &__app_bss_end - &__app_bss_start);
     start_networking();
     init_fs_frontend();