Merge "Add public libs from an environment variable" (c6160d2a) · Commits · e / os / android_system_core

libnativeloader/Android.mk

+9 −7

Original line number	Diff line number	Diff line
		LOCAL_PATH:= $(call my-dir)

		NATIVE_LOADER_COMMON_SRC_FILES := \
		native_loader_common_src_files := \
		native_loader.cpp

		native_loader_common_cflags := -Werror -Wall

		# Shared library for target
		# ========================================================
		include $(CLEAR_VARS)

		LOCAL_MODULE:= libnativeloader

		LOCAL_SRC_FILES:= $(NATIVE_LOADER_COMMON_SRC_FILES)
		LOCAL_SRC_FILES:= $(native_loader_common_src_files)
		LOCAL_SHARED_LIBRARIES := libnativehelper liblog libcutils
		LOCAL_STATIC_LIBRARIES := libbase
		LOCAL_CLANG := true
		LOCAL_CFLAGS += -Werror -Wall
		LOCAL_CFLAGS := $(native_loader_common_cflags)
		LOCAL_CPPFLAGS := -std=gnu++14 -fvisibility=hidden
		LOCAL_LDFLAGS := -ldl
		LOCAL_MULTILIB := both
		@@ -27,11 +29,11 @@ include $(CLEAR_VARS)

		LOCAL_MODULE:= libnativeloader

		LOCAL_SRC_FILES:= $(NATIVE_LOADER_COMMON_SRC_FILES)
		LOCAL_SRC_FILES:= $(native_loader_common_src_files)
		LOCAL_SHARED_LIBRARIES := libnativehelper liblog libcutils
		LOCAL_STATIC_LIBRARIES := libbase
		LOCAL_CLANG := true
		LOCAL_CFLAGS += -Werror -Wall
		LOCAL_CFLAGS := $(native_loader_common_cflags)
		LOCAL_CPPFLAGS := -std=gnu++14 -fvisibility=hidden
		LOCAL_LDFLAGS := -ldl
		LOCAL_MULTILIB := both
		@@ -45,10 +47,10 @@ include $(CLEAR_VARS)

		LOCAL_MODULE:= libnativeloader

		LOCAL_SRC_FILES:= $(NATIVE_LOADER_COMMON_SRC_FILES)
		LOCAL_SRC_FILES:= $(native_loader_common_src_files)
		LOCAL_STATIC_LIBRARIES := libnativehelper libcutils liblog libbase
		LOCAL_CLANG := true
		LOCAL_CFLAGS += -Werror -Wall
		LOCAL_CFLAGS := $(native_loader_common_cflags)
		LOCAL_CPPFLAGS := -std=gnu++14 -fvisibility=hidden
		LOCAL_LDFLAGS := -ldl
		LOCAL_MULTILIB := both

libnativeloader/native_loader.cpp

+19 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,12 @@ namespace android {
		static constexpr const char* kPublicNativeLibrariesSystemConfigPathFromRoot = "/etc/public.libraries.txt";
		static constexpr const char* kPublicNativeLibrariesVendorConfig = "/vendor/etc/public.libraries.txt";

		static bool is_debuggable() {
		char debuggable[PROP_VALUE_MAX];
		property_get("ro.debuggable", debuggable, "0");
		return std::string(debuggable) == "1";
		}

		class LibraryNamespaces {
		public:
		LibraryNamespaces() : initialized_(false) { }
		@@ -103,6 +109,19 @@ class LibraryNamespaces {
		LOG_ALWAYS_FATAL_IF(!ReadConfig(public_native_libraries_system_config, &sonames),
		"Error reading public native library list from \"%s\": %s",
		public_native_libraries_system_config.c_str(), strerror(errno));

		// For debuggable platform builds use ANDROID_ADDITIONAL_PUBLIC_LIBRARIES environment
		// variable to add libraries to the list. This is intended for platform tests only.
		if (is_debuggable()) {
		const char* additional_libs = getenv("ANDROID_ADDITIONAL_PUBLIC_LIBRARIES");
		if (additional_libs != nullptr && additional_libs[0] != '\0') {
		std::vector<std::string> additional_libs_vector = base::Split(additional_libs, ":");
		std::copy(additional_libs_vector.begin(),
		additional_libs_vector.end(),
		std::back_inserter(sonames));
		}
		}

		// This file is optional, quietly ignore if the file does not exist.
		ReadConfig(kPublicNativeLibrariesVendorConfig, &sonames);