1 files changed, 11 insertions, 0 deletions
diff --git a/JavaScriptCore/runtime/MarkStackWin.cpp b/JavaScriptCore/runtime/MarkStackWin.cpp
index 2d2a1b3..a171c78 100644
--- a/JavaScriptCore/runtime/MarkStackWin.cpp
+++ b/JavaScriptCore/runtime/MarkStackWin.cpp
@@ -39,6 +39,17 @@ void MarkStack::initializePagesize()
     MarkStack::s_pageSize = system_info.dwPageSize;
 }
 
+void* MarkStack::allocateStack(size_t size)
+{
+    return VirtualAlloc(0, size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
+}
+void MarkStack::releaseStack(void* addr, size_t)
+{
+    // According to http://msdn.microsoft.com/en-us/library/aa366892(VS.85).aspx,
+    // dwSize must be 0 if dwFreeType is MEM_RELEASE.
+    VirtualFree(addr, 0, MEM_RELEASE);
+}
+
 }
 
 #endif