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diff --git a/lib/AsmJit/Platform.cpp b/lib/AsmJit/Platform.cpp
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+// AsmJit - Complete JIT Assembler for C++ Language.
+
+// Copyright (c) 2008-2010, Petr Kobalicek <kobalicek.petr@gmail.com>
+//
+// Permission is hereby granted, free of charge, to any person
+// obtaining a copy of this software and associated documentation
+// files (the "Software"), to deal in the Software without
+// restriction, including without limitation the rights to use,
+// copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following
+// conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+
+// [Dependencies]
+#include <stdio.h>
+
+#include "Platform.h"
+
+// [Api-Begin]
+#include "ApiBegin.h"
+
+// helpers
+namespace AsmJit {
+
+// ============================================================================
+// [AsmJit::Assert]
+// ============================================================================
+
+void assertionFailure(const char* file, int line, const char* exp)
+{
+  fprintf(stderr,
+    "*** ASSERTION FAILURE at %s (line %d)\n"
+    "*** %s\n", file, line, exp);
+
+  exit(1);
+}
+
+// ============================================================================
+// [AsmJit::Helpers]
+// ============================================================================
+
+static bool isAligned(sysuint_t base, sysuint_t alignment)
+{
+  return base % alignment == 0;
+}
+
+static sysuint_t roundUp(sysuint_t base, sysuint_t pageSize)
+{
+  sysuint_t over = base % pageSize;
+  return base + (over > 0 ? pageSize - over : 0);
+}
+
+// Implementation is from "Hacker's Delight" by Henry S. Warren, Jr.,
+// figure 3-3, page 48, where the function is called clp2.
+static sysuint_t roundUpToPowerOf2(sysuint_t base)
+{
+  base -= 1;
+
+  base = base | (base >> 1);
+  base = base | (base >> 2);
+  base = base | (base >> 4);
+  base = base | (base >> 8);
+  base = base | (base >> 16);
+
+  // I'm trying to make this portable and MSVC strikes me the warning C4293:
+  //   "Shift count negative or too big, undefined behavior"
+  // Fixing...
+#if _MSC_VER
+# pragma warning(disable: 4293)
+#endif // _MSC_VER
+
+  if (sizeof(sysuint_t) >= 8)
+    base = base | (base >> 32);
+
+  return base + 1;
+}
+
+} // AsmJit namespace
+
+// ============================================================================
+// [AsmJit::VirtualMemory::Windows]
+// ============================================================================
+
+#if defined(ASMJIT_WINDOWS)
+
+#include <windows.h>
+
+namespace AsmJit {
+
+struct ASMJIT_HIDDEN VirtualMemoryLocal
+{
+  VirtualMemoryLocal() ASMJIT_NOTHROW
+  {
+    SYSTEM_INFO info;
+    GetSystemInfo(&info);
+
+    alignment = info.dwAllocationGranularity;
+    pageSize = roundUpToPowerOf2(info.dwPageSize);
+  }
+
+  sysuint_t alignment;
+  sysuint_t pageSize;
+};
+
+static VirtualMemoryLocal& vm() ASMJIT_NOTHROW
+{
+  static VirtualMemoryLocal vm;
+  return vm;
+};
+
+void* VirtualMemory::alloc(sysuint_t length, sysuint_t* allocated, bool canExecute)
+  ASMJIT_NOTHROW
+{
+  return allocProcessMemory(GetCurrentProcess(), length, allocated, canExecute);
+}
+
+void VirtualMemory::free(void* addr, sysuint_t length)
+  ASMJIT_NOTHROW
+{
+  return freeProcessMemory(GetCurrentProcess(), addr, length);
+}
+
+void* VirtualMemory::allocProcessMemory(HANDLE hProcess, sysuint_t length, sysuint_t* allocated, bool canExecute) ASMJIT_NOTHROW
+{
+  // VirtualAlloc rounds allocated size to page size automatically.
+  sysuint_t msize = roundUp(length, vm().pageSize);
+
+  // Windows XP SP2 / Vista allow Data Excution Prevention (DEP).
+  WORD protect = canExecute ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
+  LPVOID mbase = VirtualAllocEx(hProcess, NULL, msize, MEM_COMMIT | MEM_RESERVE, protect);
+  if (mbase == NULL) return NULL;
+
+  ASMJIT_ASSERT(isAligned(reinterpret_cast<sysuint_t>(mbase), vm().alignment));
+
+  if (allocated) *allocated = msize;
+  return mbase;
+}
+
+void VirtualMemory::freeProcessMemory(HANDLE hProcess, void* addr, sysuint_t /* length */) ASMJIT_NOTHROW
+{
+  VirtualFreeEx(hProcess, addr, 0, MEM_RELEASE);
+}
+
+sysuint_t VirtualMemory::getAlignment()
+  ASMJIT_NOTHROW
+{
+  return vm().alignment;
+}
+
+sysuint_t VirtualMemory::getPageSize()
+  ASMJIT_NOTHROW
+{
+  return vm().pageSize;
+}
+
+} // AsmJit
+
+#endif // ASMJIT_WINDOWS
+
+// ============================================================================
+// [AsmJit::VirtualMemory::Posix]
+// ============================================================================
+
+#if defined(ASMJIT_POSIX)
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+// MacOS uses MAP_ANON instead of MAP_ANONYMOUS
+#ifndef MAP_ANONYMOUS
+# define MAP_ANONYMOUS MAP_ANON
+#endif
+
+namespace AsmJit {
+
+struct ASMJIT_HIDDEN VirtualMemoryLocal
+{
+  VirtualMemoryLocal() ASMJIT_NOTHROW
+  {
+    alignment = pageSize = getpagesize();
+  }
+
+  sysuint_t alignment;
+  sysuint_t pageSize;
+};
+
+static VirtualMemoryLocal& vm()
+  ASMJIT_NOTHROW
+{
+  static VirtualMemoryLocal vm;
+  return vm;
+}
+
+void* VirtualMemory::alloc(sysuint_t length, sysuint_t* allocated, bool canExecute)
+  ASMJIT_NOTHROW
+{
+  sysuint_t msize = roundUp(length, vm().pageSize);
+  int protection = PROT_READ | PROT_WRITE | (canExecute ? PROT_EXEC : 0);
+  void* mbase = mmap(NULL, msize, protection, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+  if (mbase == MAP_FAILED) return NULL;
+  if (allocated) *allocated = msize;
+  return mbase;
+}
+
+void VirtualMemory::free(void* addr, sysuint_t length)
+  ASMJIT_NOTHROW
+{
+  munmap(addr, length);
+}
+
+sysuint_t VirtualMemory::getAlignment()
+  ASMJIT_NOTHROW
+{
+  return vm().alignment;
+}
+
+sysuint_t VirtualMemory::getPageSize()
+  ASMJIT_NOTHROW
+{
+  return vm().pageSize;
+}
+
+} // AsmJit
+
+#endif // ASMJIT_POSIX
+
+// [Api-End]
+#include "ApiEnd.h"