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, 52 insertions, 0 deletions

diff --git a/extras/mini-os/include/sys/lock.h b/extras/mini-os/include/sys/lock.h
new file mode 100644
index 0000000000..0757a749dd
--- /dev/null
+++ b/extras/mini-os/include/sys/lock.h
@@ -0,0 +1,52 @@
+#ifndef _MINIOS_SYS_LOCK_H_
+#define _MINIOS_SYS_LOCK_H_
+
+#ifdef HAVE_LIBC
+
+/* Due to inclusion loop, we can not include sched.h, so have to hide things */
+
+#include <waittypes.h>
+
+
+typedef struct {
+        int busy;
+        struct wait_queue_head wait;
+} _LOCK_T;
+
+#define __LOCK_INIT(class,lock) \
+    class _LOCK_T lock = { .wait = __WAIT_QUEUE_HEAD_INITIALIZER(lock.wait) }
+int ___lock_init(_LOCK_T *lock);
+int ___lock_acquire(_LOCK_T *lock);
+int ___lock_try_acquire(_LOCK_T *lock);
+int ___lock_release(_LOCK_T *lock);
+int ___lock_close(_LOCK_T *lock);
+#define __lock_init(__lock) ___lock_init(&__lock)
+#define __lock_acquire(__lock) ___lock_acquire(&__lock)
+#define __lock_release(__lock) ___lock_release(&__lock)
+#define __lock_try_acquire(__lock) ___lock_try_acquire(&__lock)
+#define __lock_close(__lock) 0
+
+
+typedef struct {
+    struct thread *owner;
+    int count;
+    struct wait_queue_head wait;
+} _LOCK_RECURSIVE_T;
+
+#define __LOCK_INIT_RECURSIVE(class, lock) \
+    class _LOCK_RECURSIVE_T lock = { .wait = __WAIT_QUEUE_HEAD_INITIALIZER((lock).wait) }
+
+int ___lock_init_recursive(_LOCK_RECURSIVE_T *lock);
+int ___lock_acquire_recursive(_LOCK_RECURSIVE_T *lock);
+int ___lock_try_acquire_recursive(_LOCK_RECURSIVE_T *lock);
+int ___lock_release_recursive(_LOCK_RECURSIVE_T *lock);
+int ___lock_close_recursive(_LOCK_RECURSIVE_T *lock);
+#define __lock_init_recursive(__lock) ___lock_init_recursive(&__lock)
+#define __lock_acquire_recursive(__lock) ___lock_acquire_recursive(&__lock)
+#define __lock_release_recursive(__lock) ___lock_release_recursive(&__lock)
+#define __lock_try_acquire_recursive(__lock) ___lock_try_acquire_recursive(&__lock)
+#define __lock_close_recursive(__lock) 0
+
+#endif
+
+#endif /* _MINIOS_SYS_LOCK_H_ */