Fix build on WinRT

Disable JIT and avoid unsupported functions under WinRT.
Also add MSVC's ARM flag to the double conversion white list.

Change-Id: I22ec340a20b113fdeefb802ac61812f78a527895
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

3 files changed, 75 insertions, 0 deletions

diff --git a/src/3rdparty/masm/wtf/OSAllocatorWinRT.cpp b/src/3rdparty/masm/wtf/OSAllocatorWinRT.cpp
new file mode 100644
index 0000000000..f851087eb2
--- /dev/null
+++ b/src/3rdparty/masm/wtf/OSAllocatorWinRT.cpp
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "OSAllocator.h"
+
+#if OS(WINRT)
+
+#include "windows.h"
+#include <wtf/Assertions.h>
+
+namespace WTF {
+
+void* OSAllocator::reserveUncommitted(size_t bytes, Usage, bool, bool, bool)
+{
+    void* result = _aligned_malloc(bytes, 16);
+    if (!result)
+        CRASH();
+    return result;
+}
+
+void* OSAllocator::reserveAndCommit(size_t bytes, Usage usage, bool writable, bool executable, bool)
+{
+    return reserveUncommitted(bytes, usage, writable, executable);
+}
+
+void OSAllocator::commit(void* address, size_t bytes, bool writable, bool executable)
+{
+    CRASH(); // Unimplemented
+}
+
+void OSAllocator::decommit(void* address, size_t)
+{
+    _aligned_free(address);
+}
+
+void OSAllocator::releaseDecommitted(void* address, size_t bytes)
+{
+    decommit(address, bytes);
+}
+
+} // namespace WTF
+
+#endif // OS(WINRT)
diff --git a/src/3rdparty/masm/wtf/PageBlock.cpp b/src/3rdparty/masm/wtf/PageBlock.cpp
index 8bbd7eb600..a6f5585925 100644
--- a/src/3rdparty/masm/wtf/PageBlock.cpp
+++ b/src/3rdparty/masm/wtf/PageBlock.cpp
@@ -53,7 +53,11 @@ inline size_t systemPageSize()
 {
     static size_t size = 0;
     SYSTEM_INFO system_info;
+#if OS(WINRT)
+    GetNativeSystemInfo(&system_info);
+#else
     GetSystemInfo(&system_info);
+#endif
     size = system_info.dwPageSize;
     return size;
 }
diff --git a/src/3rdparty/masm/wtf/Platform.h b/src/3rdparty/masm/wtf/Platform.h
index c81a9fe40f..c845f5e23c 100644
--- a/src/3rdparty/masm/wtf/Platform.h
+++ b/src/3rdparty/masm/wtf/Platform.h
@@ -404,6 +404,11 @@
 #define WTF_OS_WINCE 1
 #endif
 
+/* OS(WINCE) - Windows Runtime; note that for this platform OS(WINDOWS) is also defined */
+#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
+#define WTF_OS_WINRT 1
+#endif
+
 /* OS(WINDOWS) - Any version of Windows */
 #if defined(WIN32) || defined(_WIN32)
 #define WTF_OS_WINDOWS 1