stubdom: use host's gcc

This makes stubdom use the host's gcc instead of downloading/compiling
binutils+gcc.  That requires a bunch of changes and even uncovered a
few bugs, but saves a lot of time.

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

1 files changed, 6 insertions, 3 deletions

diff --git a/extras/mini-os/events.c b/extras/mini-os/events.c
index e89d7478fa..95ad4e4ed5 100644
--- a/extras/mini-os/events.c
+++ b/extras/mini-os/events.c
@@ -207,10 +207,11 @@ void default_handler(evtchn_port_t port, struct pt_regs *regs, void *ignore)
 int evtchn_alloc_unbound(domid_t pal, evtchn_handler_t handler,
 						 void *data, evtchn_port_t *port)
 {
+    int err;
     evtchn_alloc_unbound_t op;
     op.dom = DOMID_SELF;
     op.remote_dom = pal;
-    int err = HYPERVISOR_event_channel_op(EVTCHNOP_alloc_unbound, &op);
+    err = HYPERVISOR_event_channel_op(EVTCHNOP_alloc_unbound, &op);
     if (err)
 		return err;
     *port = bind_evtchn(op.port, handler, data);
@@ -224,13 +225,15 @@ int evtchn_bind_interdomain(domid_t pal, evtchn_port_t remote_port,
 			    evtchn_handler_t handler, void *data,
 			    evtchn_port_t *local_port)
 {
+    int err;
+    evtchn_port_t port;
     evtchn_bind_interdomain_t op;
     op.remote_dom = pal;
     op.remote_port = remote_port;
-    int err = HYPERVISOR_event_channel_op(EVTCHNOP_bind_interdomain, &op);
+    err = HYPERVISOR_event_channel_op(EVTCHNOP_bind_interdomain, &op);
     if (err)
 		return err;
-    evtchn_port_t port = op.local_port;
+    port = op.local_port;
     *local_port = bind_evtchn(port, handler, data);
     return err;
 }