diff options
| -rw-r--r-- | libnativeloader/Android.bp | 14 | ||||
| -rw-r--r-- | libnativeloader/open_system_library.cpp | 55 |
2 files changed, 68 insertions, 1 deletions
diff --git a/libnativeloader/Android.bp b/libnativeloader/Android.bp index e14aea2e4c..0e6389267a 100644 --- a/libnativeloader/Android.bp +++ b/libnativeloader/Android.bp @@ -159,10 +159,22 @@ art_cc_test { srcs: [ "native_loader_api_test.c", "native_loader_test.cpp", + "open_system_library.cpp", ], - shared_libs: [ + static_libs: [ + "libbase", "libnativeloader", ], + shared_libs: [ + "liblog", + ], + target: { + android: { + static_libs: [ + "libPlatformProperties", + ], + }, + }, // Support multilib variants (using different suffix per sub-architecture), which is needed on // build targets with secondary architectures, as the CTS test suite packaging logic flattens diff --git a/libnativeloader/open_system_library.cpp b/libnativeloader/open_system_library.cpp new file mode 100644 index 0000000000..63175aa91f --- /dev/null +++ b/libnativeloader/open_system_library.cpp @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2014 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_test" + +#include <dlfcn.h> +#include <log/log.h> + +#ifdef ART_TARGET_ANDROID +#include "nativeloader/dlext_namespaces.h" +#endif + +namespace android { + +extern "C" { + +// TODO(b/268440756): Find a way to reuse it from libnativebridge. +void* OpenSystemLibrary(const char* path, int flags) { +#ifdef ART_TARGET_ANDROID + // The system namespace is called "default" for binaries in /system and + // "system" for those in the Runtime APEX. Try "system" first since + // "default" always exists. + // TODO(b/185587109): Get rid of this error prone logic. + android_namespace_t* system_ns = android_get_exported_namespace("system"); + if (system_ns == nullptr) { + system_ns = android_get_exported_namespace("default"); + const char* message = "Failed to get system namespace for loading %s"; + LOG_ALWAYS_FATAL_IF(system_ns == nullptr, message, path); + } + const android_dlextinfo dlextinfo = { + .flags = ANDROID_DLEXT_USE_NAMESPACE, + .library_namespace = system_ns, + }; + return android_dlopen_ext(path, flags, &dlextinfo); +#else + return dlopen(path, flags); +#endif +} + +} // extern "C" + +} // namespace android |