Initial project skeleton.

This includes a working gyp-based build of an executable that uses LLVM.

src/core/something.cc

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+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <xenia/xenia.h>
+
+#include <llvm/IR/DerivedTypes.h>
+#include <llvm/IR/IRBuilder.h>
+#include <llvm/IR/LLVMContext.h>
+#include <llvm/IR/Module.h>
+
+using namespace llvm;
+
+int some_function(int xx) {
+  LLVMContext &context = getGlobalContext();
+  //IRBuilder<> builder(context);
+  Module *module = new Module("my cool jit", context);
+
+  Constant* c = module->getOrInsertFunction("mul_add",
+  /*ret type*/                           IntegerType::get(context, 32),
+  /*args*/                               IntegerType::get(context, 32),
+                                         IntegerType::get(context, 32),
+                                         IntegerType::get(context, 32),
+  /*varargs terminated with null*/       NULL);
+
+  Function* mul_add = cast<Function>(c);
+  mul_add->setCallingConv(CallingConv::C);
+
+  Function::arg_iterator args = mul_add->arg_begin();
+  Value* x = args++;
+  x->setName("x");
+  Value* y = args++;
+  y->setName("y");
+  Value* z = args++;
+  z->setName("z");
+
+  BasicBlock* block = BasicBlock::Create(getGlobalContext(), "entry", mul_add);
+  IRBuilder<> builder(block);
+
+  Value* tmp = builder.CreateBinOp(Instruction::Mul,
+                                   x, y, "tmp");
+  Value* tmp2 = builder.CreateBinOp(Instruction::Add,
+                                    tmp, z, "tmp2");
+
+  builder.CreateRet(tmp2);
+
+  module->dump();
+  delete module;
+  return xx + 4;
+}

src/core/sources.gypi

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+# Copyright 2013 Ben Vanik. All Rights Reserved.
+{
+  'sources': [
+    'something.cc',
+  ],
+}