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125 lines
4.3 KiB
125 lines
4.3 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// This namespace is exclusively for vndk-sp libs.
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#include "linkerconfig/environment.h"
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#include "linkerconfig/namespacebuilder.h"
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using android::linkerconfig::modules::Namespace;
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namespace android {
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namespace linkerconfig {
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namespace contents {
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Namespace BuildVndkNamespace([[maybe_unused]] const Context& ctx,
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VndkUserPartition vndk_user) {
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bool is_system_or_unrestricted_section = ctx.IsSystemSection() ||
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ctx.IsUnrestrictedSection();
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if (ctx.IsApexBinaryConfig()) {
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is_system_or_unrestricted_section = ctx.GetCurrentApex().InSystem();
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}
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// In the system section, we need to have an additional vndk namespace for
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// product apps. We must have a different name "vndk_product" for this
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// namespace. "vndk_product" namespace is used only from the native_loader for
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// product apps.
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const char* name;
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if (is_system_or_unrestricted_section &&
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vndk_user == VndkUserPartition::Product) {
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name = "vndk_product";
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} else {
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name = "vndk";
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}
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// Isolated but visible when used in the [system] or [unrestricted] section to
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// allow links to be created at runtime, e.g. through android_link_namespaces
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// in libnativeloader. Otherwise it isn't isolated, so visibility doesn't
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// matter.
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Namespace ns(name,
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/*is_isolated=*/ctx.IsSystemSection() || ctx.IsApexBinaryConfig(),
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/*is_visible=*/is_system_or_unrestricted_section);
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std::vector<std::string> lib_paths;
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std::string vndk_version;
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if (vndk_user == VndkUserPartition::Product) {
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lib_paths = {Var("PRODUCT") + "/${LIB}"};
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vndk_version = Var("PRODUCT_VNDK_VERSION");
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} else {
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// default for vendor
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lib_paths = {"/odm/${LIB}", "/vendor/${LIB}"};
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vndk_version = Var("VENDOR_VNDK_VERSION");
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}
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// Search order:
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// 1. VNDK Extensions
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// 2. VNDK APEX
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// 3. vendor/lib or product/lib to allow extensions to use them
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// 1. VNDK Extensions
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for (const auto& lib_path : lib_paths) {
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ns.AddSearchPath(lib_path + "/vndk-sp");
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if (!is_system_or_unrestricted_section) {
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ns.AddSearchPath(lib_path + "/vndk");
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}
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}
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// 2. VNDK APEX
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ns.AddSearchPath("/apex/com.android.vndk.v" + vndk_version + "/${LIB}");
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if (is_system_or_unrestricted_section &&
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vndk_user == VndkUserPartition::Vendor) {
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// It is for vendor sp-hal
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ns.AddPermittedPath("/odm/${LIB}/hw");
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ns.AddPermittedPath("/odm/${LIB}/egl");
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ns.AddPermittedPath("/vendor/${LIB}/hw");
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ns.AddPermittedPath("/vendor/${LIB}/egl");
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ns.AddPermittedPath("/system/vendor/${LIB}/hw");
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ns.AddPermittedPath("/system/vendor/${LIB}/egl");
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// This is exceptionally required since android.hidl.memory@1.0-impl.so is here
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ns.AddPermittedPath("/apex/com.android.vndk.v" +
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Var("VENDOR_VNDK_VERSION") + "/${LIB}/hw");
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}
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// 3. vendor/lib or product/lib
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for (const auto& lib_path : lib_paths) {
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ns.AddSearchPath(lib_path);
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}
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// For the non-system section, the links should be identical to that of the
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// 'vndk_in_system' namespace, except the links to 'default' and 'vndk_in_system'.
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if (vndk_user == VndkUserPartition::Product) {
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ns.GetLink(ctx.GetSystemNamespaceName())
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.AddSharedLib({Var("LLNDK_LIBRARIES_PRODUCT")});
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} else {
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ns.GetLink(ctx.GetSystemNamespaceName())
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.AddSharedLib({Var("LLNDK_LIBRARIES_VENDOR")});
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}
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if (ctx.IsProductSection() || ctx.IsVendorSection()) {
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if (android::linkerconfig::modules::IsVndkInSystemNamespace()) {
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ns.GetLink("vndk_in_system")
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.AddSharedLib(Var("VNDK_USING_CORE_VARIANT_LIBRARIES"));
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}
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}
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ns.AddRequires(std::vector{"libneuralnetworks.so"});
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return ns;
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}
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} // namespace contents
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} // namespace linkerconfig
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} // namespace android
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