1 files changed, 69 insertions, 0 deletions
diff --git a/src/greenland/gbc_context.cc b/src/greenland/gbc_context.cc
new file mode 100644
index 0000000..ec86bfb
--- /dev/null
+++ b/src/greenland/gbc_context.cc
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "gbc_context.h"
+
+#include "atomic.h"
+
+namespace art {
+namespace greenland {
+
+GBCContext::GBCContext()
+    : context_(), module_(NULL), ref_count_(1), mem_usage_(0) {
+  module_ = new llvm::Module("art", context_);
+
+  // Initialize the contents of an empty module
+  // Type of "JavaObject"
+  llvm::StructType::create(context_, "JavaObject");
+  // Type of "Method"
+  llvm::StructType::create(context_, "Method");
+  // Type of "Thread"
+  llvm::StructType::create(context_, "Thread");
+
+  dex_lang_ctx_ = new DexLang::Context(*module_);
+  return;
+}
+
+GBCContext::~GBCContext() {
+  delete dex_lang_ctx_;
+  return;
+}
+
+GBCContext& GBCContext::IncRef() {
+  android_atomic_inc(&ref_count_);
+  return *this;
+}
+
+const GBCContext& GBCContext::IncRef() const {
+  android_atomic_inc(&ref_count_);
+  return *this;
+}
+
+void GBCContext::DecRef() const {
+  int32_t old_ref_count = android_atomic_dec(&ref_count_);
+  if (old_ref_count <= 1) {
+    delete this;
+  }
+  return;
+}
+
+void GBCContext::AddMemUsageApproximation(size_t usage) {
+  android_atomic_add(static_cast<int32_t>(usage), &mem_usage_);
+  return;
+}
+
+} // namespace greenland
+} // namespace art