Avoid tlb_set_page in userspace emulation

[qemu.git] / osdep.h

diff --git a/osdep.h b/osdep.h
index 87f024b127ce2a75c1d315dff89c69ca0206cb81..75b581630f2a26e7c374884f7b8b700232d5eca3 100644 (file)
--- a/osdep.h
+++ b/osdep.h
@@ -2,11 +2,16 @@
 #define QEMU_OSDEP_H
 
 #include <stdarg.h>
+#include <stddef.h>
 #ifdef __OpenBSD__
 #include <sys/types.h>
 #include <sys/signal.h>
 #endif
 
+#ifndef _WIN32
+#include <sys/time.h>
+#endif
+
 #ifndef glue
 #define xglue(x, y) x ## y
 #define glue(x, y) xglue(x, y)
@@ -23,7 +28,7 @@
 #define unlikely(x)   __builtin_expect(!!(x), 0)
 #endif
 
-#ifndef offsetof
+#ifdef CONFIG_NEED_OFFSETOF
 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
 #endif
 #ifndef container_of
@@ -32,6 +37,19 @@
         (type *) ((char *) __mptr - offsetof(type, member));})
 #endif
 
+/* Convert from a base type to a parent type, with compile time checking.  */
+#ifdef __GNUC__
+#define DO_UPCAST(type, field, dev) ( __extension__ ( { \
+    char __attribute__((unused)) offset_must_be_zero[ \
+        -offsetof(type, field)]; \
+    container_of(dev, type, field);}))
+#else
+#define DO_UPCAST(type, field, dev) container_of(dev, type, field)
+#endif
+
+#define typeof_field(type, field) typeof(((type *)0)->field)
+#define type_check(t1,t2) ((t1*)0 - (t2*)0)
+
 #ifndef MIN
 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
 #endif
@@ -44,11 +62,10 @@
 #endif
 
 #ifndef always_inline
-#if (__GNUC__ < 3) || defined(__APPLE__)
-#define always_inline inline
-#else
-#define always_inline __attribute__ (( always_inline )) __inline__
-#define inline always_inline
+#if !((__GNUC__ < 3) || defined(__APPLE__))
+#ifdef __OPTIMIZE__
+#define inline __attribute__ (( always_inline )) __inline__
+#endif
 #endif
 #else
 #define inline always_inline
@@ -62,7 +79,7 @@
 
 #define qemu_printf printf
 
-#if defined (__GNUC__) && defined (__GNUC_MINOR_)
+#if defined (__GNUC__) && defined (__GNUC_MINOR__)
 # define QEMU_GNUC_PREREQ(maj, min) \
          ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
 #else