#include <alloca.h>
#endif
+#ifdef __GNUC__
+#define PACKED __attribute__((packed))
+#else
+#define PACKED
+#endif
+
+unsigned int get_cs(void);
+#define get_cpl() ((int)(get_cs() & 3))
+
+void get_msr(uint32_t msr, uint32_t *low, uint32_t *high);
+void set_msr(uint32_t msr, uint32_t low, uint32_t high);
+
+
/* Non-failing versions of malloc/calloc/realloc. They never return 0, they call
* demo_abort on failure. Use the macros, don't call the *_impl functions.
*/