Fix the win64 build.

diff --git a/mono/metadata/threads.c b/mono/metadata/threads.c
index e0ba2fde306180a678a1de21bea22948517697ce..20820ba4fa9010d07d85944919e323f439c984a8 100644 (file)
--- a/mono/metadata/threads.c
+++ b/mono/metadata/threads.c
@@ -806,7 +806,7 @@ mono_thread_create (MonoDomain *domain, gpointer func, gpointer arg)
        mono_thread_create_internal (domain, func, arg, FALSE, FALSE, 0);
 }
 
-#if defined(HOST_WIN32) && defined(__GNUC__)
+#if defined(HOST_WIN32) && defined(__GNUC__) && defined(TARGET_X86)
 static __inline__ __attribute__((always_inline))
 /* This is not defined by gcc */
 unsigned long long
@@ -837,6 +837,7 @@ mono_thread_get_stack_bounds (guint8 **staddr, size_t *stsize)
        return;
        /* FIXME: simplify the mess below */
 #elif defined(HOST_WIN32)
+#ifdef TARGET_X86
        /* http://en.wikipedia.org/wiki/Win32_Thread_Information_Block */
        void* tib = (void*)__readfsdword(0x18);
        guint8 *stackTop = (guint8*)*(int*)((char*)tib + 4);
@@ -844,6 +845,10 @@ mono_thread_get_stack_bounds (guint8 **staddr, size_t *stsize)
 
        *staddr = stackBottom;
        *stsize = stackTop - stackBottom;
+#else
+       *staddr = NULL;
+       *stsize = (size_t)-1;
+#endif
        return;
 #else
        pthread_attr_t attr;