tests: Fix linker failure for fdc-test

[qemu.git] / qemu-os-win32.h

diff --git a/qemu-os-win32.h b/qemu-os-win32.h
index 8eda4bdc20dafa69f72b71b5c8aa8fd41dbf93b3..753679b194642ca544a378f68dabea2b663b9605 100644 (file)
--- a/qemu-os-win32.h
+++ b/qemu-os-win32.h
@@ -30,6 +30,41 @@
 #include <winsock2.h>
 #include "main-loop.h"
 
+/* Workaround for older versions of MinGW. */
+#ifndef ECONNREFUSED
+# define ECONNREFUSED WSAECONNREFUSED
+#endif
+#ifndef EINPROGRESS
+# define EINPROGRESS  WSAEINPROGRESS
+#endif
+#ifndef EHOSTUNREACH
+# define EHOSTUNREACH WSAEHOSTUNREACH
+#endif
+#ifndef EINTR
+# define EINTR        WSAEINTR
+#endif
+#ifndef EINPROGRESS
+# define EINPROGRESS  WSAEINPROGRESS
+#endif
+#ifndef ENETUNREACH
+# define ENETUNREACH  WSAENETUNREACH
+#endif
+#ifndef ENOTCONN
+# define ENOTCONN     WSAENOTCONN
+#endif
+#ifndef EWOULDBLOCK
+# define EWOULDBLOCK  WSAEWOULDBLOCK
+#endif
+
+#if defined(_WIN64)
+/* On w64, setjmp is implemented by _setjmp which needs a second parameter.
+ * If this parameter is NULL, longjump does no stack unwinding.
+ * That is what we need for QEMU. Passing the value of register rsp (default)
+ * lets longjmp try a stack unwinding which will crash with generated code. */
+# undef setjmp
+# define setjmp(env) _setjmp(env, NULL)
+#endif
+
 /* Declaration of ffs() is missing in MinGW's strings.h. */
 int ffs(int i);