Add SwiftShader source to repo

Oct 6 code drop from Transgaming
Review URL: https://chromereviews.googleplex.com/3846015
diff --git a/src/Reactor/MemoryManager.cpp b/src/Reactor/MemoryManager.cpp
new file mode 100644
index 0000000..aaa85ae
--- /dev/null
+++ b/src/Reactor/MemoryManager.cpp
@@ -0,0 +1,126 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2011 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+#include "MemoryManager.hpp"
+
+#include "Nucleus.hpp"
+
+namespace sw
+{
+	using namespace llvm;
+
+	MemoryManager::MemoryManager()
+	{
+		routine = 0;
+	}
+
+	MemoryManager::~MemoryManager()
+	{
+		delete routine;
+	}
+
+	void MemoryManager::AllocateGOT()
+	{
+		// FIXME: ASSERT(false);
+	}
+
+	unsigned char *MemoryManager::allocateStub(const GlobalValue *function, unsigned stubSize, unsigned alignment)
+	{
+		// FIXME: ASSERT(false);
+
+		return 0;
+	}
+
+	unsigned char *MemoryManager::startFunctionBody(const llvm::Function *function, uintptr_t &actualSize)
+	{
+		if(actualSize == 0)
+		{
+			actualSize = 4096;
+		}
+
+		actualSize = (actualSize + 15) & -16;
+
+		delete routine;
+		routine = new Routine(actualSize);
+
+		return (unsigned char*)routine->getBuffer();
+	}
+
+	void MemoryManager::endFunctionBody(const llvm::Function *function, unsigned char *functionStart, unsigned char *functionEnd)
+	{
+		routine->setFunctionSize(functionEnd - functionStart);
+	}
+
+	unsigned char *MemoryManager::startExceptionTable(const llvm::Function* F, uintptr_t &ActualSize)
+	{
+		// FIXME: ASSERT(false);
+
+		return 0;
+	}
+
+	void MemoryManager::endExceptionTable(const llvm::Function *F, unsigned char *TableStart, unsigned char *TableEnd, unsigned char* FrameRegister) 
+	{
+		// FIXME: ASSERT(false);
+	}
+    
+	unsigned char *MemoryManager::getGOTBase() const
+	{
+		return 0;
+	}
+
+	unsigned char *MemoryManager::allocateSpace(intptr_t Size, unsigned Alignment)
+	{
+		return 0;
+	}
+
+	unsigned char *MemoryManager::allocateGlobal(uintptr_t Size, unsigned Alignment)
+	{
+		return 0;
+	}
+
+	void MemoryManager::deallocateFunctionBody(void *Body)
+	{
+	}
+
+	void MemoryManager::deallocateExceptionTable(void *ET)
+	{
+	}
+
+	void MemoryManager::setMemoryWritable()
+	{
+	}
+
+	void MemoryManager::setMemoryExecutable()
+	{
+	}
+
+	void MemoryManager::setPoisonMemory(bool poison)
+	{
+	}
+
+	Routine *MemoryManager::acquireRoutine()
+	{
+		Routine *result = routine;
+
+		routine = 0;
+
+		return result;
+	}
+
+	void MemoryManager::SetDlsymTable(void *pointer)
+	{
+	}
+
+	void *MemoryManager::getDlsymTable() const
+	{
+		return 0;
+	}
+}