Move libnative{bridge,loader} to art/

Bug: 137364733
Test: m
Change-Id: I8fc0796745f7310f477fe9f8b0821586742dd9c0

1 files changed, 0 insertions, 178 deletions

diff --git a/libnativeloader/native_loader_namespace.cpp b/libnativeloader/native_loader_namespace.cpp
deleted file mode 100644
index a81fddf0f..000000000
--- a/libnativeloader/native_loader_namespace.cpp
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "nativeloader"
-
-#include "native_loader_namespace.h"
-
-#include <dlfcn.h>
-
-#include <functional>
-
-#include <android-base/strings.h>
-#include <log/log.h>
-#include <nativebridge/native_bridge.h>
-
-#include "nativeloader/dlext_namespaces.h"
-
-using android::base::Error;
-using android::base::Errorf;
-
-namespace android {
-
-namespace {
-
-constexpr const char* kDefaultNamespaceName = "default";
-constexpr const char* kPlatformNamespaceName = "platform";
-
-std::string GetLinkerError(bool is_bridged) {
-  const char* msg = is_bridged ? NativeBridgeGetError() : dlerror();
-  if (msg == nullptr) {
-    return "no error";
-  }
-  return std::string(msg);
-}
-
-}  // namespace
-
-Result<NativeLoaderNamespace> NativeLoaderNamespace::GetExportedNamespace(const std::string& name,
-                                                                          bool is_bridged) {
-  if (!is_bridged) {
-    auto raw = android_get_exported_namespace(name.c_str());
-    if (raw != nullptr) {
-      return NativeLoaderNamespace(name, raw);
-    }
-  } else {
-    auto raw = NativeBridgeGetExportedNamespace(name.c_str());
-    if (raw != nullptr) {
-      return NativeLoaderNamespace(name, raw);
-    }
-  }
-  return Errorf("namespace {} does not exist or exported", name);
-}
-
-// The platform namespace is called "default" for binaries in /system and
-// "platform" for those in the Runtime APEX. Try "platform" first since
-// "default" always exists.
-Result<NativeLoaderNamespace> NativeLoaderNamespace::GetPlatformNamespace(bool is_bridged) {
-  auto ns = GetExportedNamespace(kPlatformNamespaceName, is_bridged);
-  if (ns) return ns;
-  ns = GetExportedNamespace(kDefaultNamespaceName, is_bridged);
-  if (ns) return ns;
-
-  // If nothing is found, return NativeLoaderNamespace constructed from nullptr.
-  // nullptr also means default namespace to the linker.
-  if (!is_bridged) {
-    return NativeLoaderNamespace(kDefaultNamespaceName, static_cast<android_namespace_t*>(nullptr));
-  } else {
-    return NativeLoaderNamespace(kDefaultNamespaceName,
-                                 static_cast<native_bridge_namespace_t*>(nullptr));
-  }
-}
-
-Result<NativeLoaderNamespace> NativeLoaderNamespace::Create(
-    const std::string& name, const std::string& search_paths, const std::string& permitted_paths,
-    const NativeLoaderNamespace* parent, bool is_shared, bool is_greylist_enabled,
-    bool also_used_as_anonymous) {
-  bool is_bridged = false;
-  if (parent != nullptr) {
-    is_bridged = parent->IsBridged();
-  } else if (!search_paths.empty()) {
-    is_bridged = NativeBridgeIsPathSupported(search_paths.c_str());
-  }
-
-  // Fall back to the platform namespace if no parent is set.
-  auto platform_ns = GetPlatformNamespace(is_bridged);
-  if (!platform_ns) {
-    return platform_ns.error();
-  }
-  const NativeLoaderNamespace& effective_parent = parent != nullptr ? *parent : *platform_ns;
-
-  // All namespaces for apps are isolated
-  uint64_t type = ANDROID_NAMESPACE_TYPE_ISOLATED;
-
-  // The namespace is also used as the anonymous namespace
-  // which is used when the linker fails to determine the caller address
-  if (also_used_as_anonymous) {
-    type |= ANDROID_NAMESPACE_TYPE_ALSO_USED_AS_ANONYMOUS;
-  }
-
-  // Bundled apps have access to all system libraries that are currently loaded
-  // in the default namespace
-  if (is_shared) {
-    type |= ANDROID_NAMESPACE_TYPE_SHARED;
-  }
-  if (is_greylist_enabled) {
-    type |= ANDROID_NAMESPACE_TYPE_GREYLIST_ENABLED;
-  }
-
-  if (!is_bridged) {
-    android_namespace_t* raw =
-        android_create_namespace(name.c_str(), nullptr, search_paths.c_str(), type,
-                                 permitted_paths.c_str(), effective_parent.ToRawAndroidNamespace());
-    if (raw != nullptr) {
-      return NativeLoaderNamespace(name, raw);
-    }
-  } else {
-    native_bridge_namespace_t* raw = NativeBridgeCreateNamespace(
-        name.c_str(), nullptr, search_paths.c_str(), type, permitted_paths.c_str(),
-        effective_parent.ToRawNativeBridgeNamespace());
-    if (raw != nullptr) {
-      return NativeLoaderNamespace(name, raw);
-    }
-  }
-  return Errorf("failed to create {} namespace name:{}, search_paths:{}, permitted_paths:{}",
-                is_bridged ? "bridged" : "native", name, search_paths, permitted_paths);
-}
-
-Result<void> NativeLoaderNamespace::Link(const NativeLoaderNamespace& target,
-                                         const std::string& shared_libs) const {
-  LOG_ALWAYS_FATAL_IF(shared_libs.empty(), "empty share lib when linking %s to %s",
-                      this->name().c_str(), target.name().c_str());
-  if (!IsBridged()) {
-    if (android_link_namespaces(this->ToRawAndroidNamespace(), target.ToRawAndroidNamespace(),
-                                shared_libs.c_str())) {
-      return {};
-    }
-  } else {
-    if (NativeBridgeLinkNamespaces(this->ToRawNativeBridgeNamespace(),
-                                   target.ToRawNativeBridgeNamespace(), shared_libs.c_str())) {
-      return {};
-    }
-  }
-  return Error() << GetLinkerError(IsBridged());
-}
-
-Result<void*> NativeLoaderNamespace::Load(const char* lib_name) const {
-  if (!IsBridged()) {
-    android_dlextinfo extinfo;
-    extinfo.flags = ANDROID_DLEXT_USE_NAMESPACE;
-    extinfo.library_namespace = this->ToRawAndroidNamespace();
-    void* handle = android_dlopen_ext(lib_name, RTLD_NOW, &extinfo);
-    if (handle != nullptr) {
-      return handle;
-    }
-  } else {
-    void* handle =
-        NativeBridgeLoadLibraryExt(lib_name, RTLD_NOW, this->ToRawNativeBridgeNamespace());
-    if (handle != nullptr) {
-      return handle;
-    }
-  }
-  return Error() << GetLinkerError(IsBridged());
-}
-
-}  // namespace android