Add runtime namespace am: 72410b5474
am: 0fd4cc0afb

Change-Id: Ib5f13b8682a6e5b20b5c74a05a4caee4edd5b5dc
diff --git a/contents/include/linkerconfig/namespacebuilder.h b/contents/include/linkerconfig/namespacebuilder.h
index 107d3b7..f582063 100644
--- a/contents/include/linkerconfig/namespacebuilder.h
+++ b/contents/include/linkerconfig/namespacebuilder.h
@@ -38,6 +38,7 @@
 NamespaceBuilder BuildUnrestrictedDefaultNamespace;
 NamespaceBuilder BuildPostInstallNamespace;
 NamespaceBuilder BuildNeuralNetworksNamespace;
+NamespaceBuilder BuildRuntimeNamespace;
 }  // namespace contents
 }  // namespace linkerconfig
 }  // namespace android
diff --git a/contents/namespace/runtime.cc b/contents/namespace/runtime.cc
new file mode 100644
index 0000000..564cb17
--- /dev/null
+++ b/contents/namespace/runtime.cc
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2019 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 "linkerconfig/namespacebuilder.h"
+
+using android::linkerconfig::modules::AsanPath;
+using android::linkerconfig::modules::Namespace;
+
+namespace android {
+namespace linkerconfig {
+namespace contents {
+
+Namespace BuildRuntimeNamespace([[maybe_unused]] const Context& ctx) {
+  // Currently, the runtime namespace is only to isolate
+  // libc_malloc_hooks/debug.so. libc/l/d are loaded in the default namespace.
+  Namespace ns("runtime",
+               /*is_isolated=*/true,
+               /*is_visible=*/true);
+
+  ns.AddSearchPath("/apex/com.android.runtime/${LIB}", AsanPath::SAME_PATH);
+
+  ns.GetLink(ctx.GetSystemNamespaceName())
+      .AddSharedLib("libc.so", "libdl.so", "libm.so", "liblog.so");
+
+  return ns;
+}
+
+}  // namespace contents
+}  // namespace linkerconfig
+}  // namespace android
diff --git a/contents/section/legacy.cc b/contents/section/legacy.cc
index cd448f6..c3d0940 100644
--- a/contents/section/legacy.cc
+++ b/contents/section/legacy.cc
@@ -37,6 +37,7 @@
   namespaces.emplace_back(BuildConscryptNamespace(ctx));
   namespaces.emplace_back(BuildResolvNamespace(ctx));
   namespaces.emplace_back(BuildNeuralNetworksNamespace(ctx));
+  namespaces.emplace_back(BuildRuntimeNamespace(ctx));
 
   Section section("legacy", std::move(namespaces));
   AddStandardSystemLinks(ctx, &section);
diff --git a/contents/section/system.cc b/contents/section/system.cc
index da002de..d944f5f 100644
--- a/contents/section/system.cc
+++ b/contents/section/system.cc
@@ -41,6 +41,7 @@
   namespaces.emplace_back(BuildRsNamespace(ctx));
   namespaces.emplace_back(BuildVndkNamespace(ctx));
   namespaces.emplace_back(BuildNeuralNetworksNamespace(ctx));
+  namespaces.emplace_back(BuildRuntimeNamespace(ctx));
 
   Section section("system", std::move(namespaces));
   AddStandardSystemLinks(ctx, &section);
diff --git a/contents/section/vendor.cc b/contents/section/vendor.cc
index 7674433..f872be3 100644
--- a/contents/section/vendor.cc
+++ b/contents/section/vendor.cc
@@ -49,6 +49,8 @@
     namespaces.emplace_back(BuildVndkInSystemNamespace(ctx));
   }
 
+  namespaces.emplace_back(BuildRuntimeNamespace(ctx));
+
   Section section("vendor", std::move(namespaces));
   AddStandardSystemLinks(ctx, &section);
   return section;