Basic ContextPromotionPass and some opcode info rearranging.

src/alloy/frontend/context_info.cc

@@ -0,0 +1,21 @@
+/**
+ ******************************************************************************
+ * 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 <alloy/frontend/context_info.h>
+
+using namespace alloy;
+using namespace alloy::frontend;
+
+
+ContextInfo::ContextInfo(size_t size) :
+    size_(size) {
+}
+
+ContextInfo::~ContextInfo() {
+}

src/alloy/frontend/context_info.h

@@ -0,0 +1,36 @@
+/**
+ ******************************************************************************
+ * 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_FRONTEND_CONTEXT_INFO_H_
+#define ALLOY_FRONTEND_CONTEXT_INFO_H_
+
+#include <alloy/core.h>
+
+
+namespace alloy {
+namespace frontend {
+
+
+class ContextInfo {
+public:
+  ContextInfo(size_t size);
+  ~ContextInfo();
+
+  size_t size() const { return size_; }
+
+private:
+  size_t size_;
+};
+
+
+}  // namespace frontend
+}  // namespace alloy
+
+
+#endif  // ALLOY_FRONTEND_CONTEXT_INFO_H_

src/alloy/frontend/frontend.cc

@@ -18,10 +18,11 @@ using namespace alloy::runtime;
 
 
 Frontend::Frontend(Runtime* runtime) :
-    runtime_(runtime) {
+    runtime_(runtime), context_info_(0) {
 }
 
 Frontend::~Frontend() {
+  delete context_info_;
 }
 
 Memory* Frontend::memory() const {

src/alloy/frontend/frontend.h

@@ -12,6 +12,7 @@
 
 #include <alloy/core.h>
 #include <alloy/memory.h>
+#include <alloy/frontend/context_info.h>
 #include <alloy/runtime/function.h>
 #include <alloy/runtime/symbol_info.h>
 
@@ -31,6 +32,7 @@ public:
 
   runtime::Runtime* runtime() const { return runtime_; }
   Memory* memory() const;
+  ContextInfo* context_info() const { return context_info_; }
 
   virtual int Initialize();
 
@@ -42,6 +44,7 @@ public:
 
 protected:
   runtime::Runtime* runtime_;
+  ContextInfo* context_info_;
 };
 
 

src/alloy/frontend/ppc/ppc_frontend.cc

@@ -10,6 +10,7 @@
 #include <alloy/frontend/ppc/ppc_frontend.h>
 
 #include <alloy/frontend/tracing.h>
+#include <alloy/frontend/ppc/ppc_context.h>
 #include <alloy/frontend/ppc/ppc_disasm.h>
 #include <alloy/frontend/ppc/ppc_emit.h>
 #include <alloy/frontend/ppc/ppc_translator.h>
@@ -54,6 +55,10 @@ namespace {
 PPCFrontend::PPCFrontend(Runtime* runtime) :
     Frontend(runtime) {
   InitializeIfNeeded();
+
+  ContextInfo* info = new ContextInfo(sizeof(PPCContext));
+  // Add fields/etc.
+  context_info_ = info;
 }
 
 PPCFrontend::~PPCFrontend() {

src/alloy/frontend/ppc/ppc_translator.cc

@@ -30,9 +30,9 @@ PPCTranslator::PPCTranslator(PPCFrontend* frontend) :
   scanner_ = new PPCScanner(frontend);
   builder_ = new PPCFunctionBuilder(frontend);
 
-  compiler_ = new Compiler();
+  compiler_ = new Compiler(frontend->runtime());
 
-  //compiler_->AddPass(new passes::ContextPromotionPass());
+  compiler_->AddPass(new passes::ContextPromotionPass());
   //compiler_->AddPass(new passes::ConstantPropagationPass());
   //compiler_->AddPass(new passes::TypePropagationPass());
   //compiler_->AddPass(new passes::ByteSwapEliminationPass());

src/alloy/frontend/sources.gypi

@@ -1,6 +1,8 @@
 # Copyright 2013 Ben Vanik. All Rights Reserved.
 {
   'sources': [
+    'context_info.cc',
+    'context_info.h',
     'frontend.cc',
     'frontend.h',
     'tracing.h',