Initial Alloy implementation.

This is a regression in functionality and performance, but a much better
foundation for the future of the project (I think). It can run basic
apps under an SSA interpreter but doesn't support some of the features
required to do real 360 apps yet.

src/alloy/runtime/module.h

@@ -0,0 +1,64 @@
+/**
+ ******************************************************************************
+ * 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. *
+ ******************************************************************************
+ */
+
+#ifndef ALLOY_RUNTIME_MODULE_H_
+#define ALLOY_RUNTIME_MODULE_H_
+
+#include <alloy/core.h>
+#include <alloy/memory.h>
+#include <alloy/runtime/symbol_info.h>
+
+
+namespace alloy {
+namespace runtime {
+
+class Function;
+
+
+class Module {
+public:
+  Module(Memory* memory);
+  virtual ~Module();
+
+  Memory* memory() const { return memory_; }
+
+  virtual const char* name() const = 0;
+
+  virtual bool ContainsAddress(uint64_t address);
+
+  SymbolInfo* LookupSymbol(uint64_t address, bool wait = true);
+  SymbolInfo::Status DeclareFunction(
+      uint64_t address, FunctionInfo** out_symbol_info);
+  SymbolInfo::Status DeclareVariable(
+      uint64_t address, VariableInfo** out_symbol_info);
+
+  SymbolInfo::Status DefineFunction(FunctionInfo* symbol_info);
+  SymbolInfo::Status DefineVariable(VariableInfo* symbol_info);
+
+private:
+  SymbolInfo::Status DeclareSymbol(
+      SymbolInfo::Type type, uint64_t address, SymbolInfo** out_symbol_info);
+  SymbolInfo::Status DefineSymbol(SymbolInfo* symbol_info);
+
+protected:
+  Memory* memory_;
+
+private:
+  // TODO(benvanik): replace with a better data structure.
+  Mutex* lock_;
+  typedef std::tr1::unordered_map<uint64_t, SymbolInfo*> SymbolMap;
+  SymbolMap map_;
+};
+
+
+}  // namespace runtime
+}  // namespace alloy
+
+
+#endif  // ALLOY_RUNTIME_MODULE_H_