X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/b5422865f473faf3977f31b96a635c4c8c4ede09..9dae56ea45a0f5f8136a5c93d6f3a7f99399ca73:/jit/ExecutableAllocatorWin.cpp

diff --git a/jit/ExecutableAllocatorWin.cpp b/jit/ExecutableAllocatorWin.cpp
new file mode 100644
index 0000000..7467f81
--- /dev/null
+++ b/jit/ExecutableAllocatorWin.cpp
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2008 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. ``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
+ * 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 "ExecutableAllocator.h"
+
+#if ENABLE(ASSEMBLER)
+
+#include "windows.h"
+
+namespace JSC {
+
+void ExecutableAllocator::intializePageSize()
+{
+    SYSTEM_INFO system_info;
+    GetSystemInfo(&system_info);
+    ExecutableAllocator::pageSize = system_info.dwPageSize;
+}
+
+ExecutablePool::Allocation ExecutablePool::systemAlloc(size_t n)
+{
+    ExecutablePool::Allocation alloc = {reinterpret_cast<char*>(VirtualAlloc(0, n, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE)), n};
+    return alloc;
+}
+
+void ExecutablePool::systemRelease(const ExecutablePool::Allocation& alloc)
+{ 
+    VirtualFree(alloc.pages, 0, MEM_RELEASE); 
+}
+
+}
+
+#endif // HAVE(ASSEMBLER)