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74 lines
2.8 KiB
74 lines
2.8 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 where no-vendor-variant VNDK libraries are loaded for a
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// vendor process. Note that we do not simply export these libraries from the
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// "system" namespace, because in some cases both the core variant and the
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// vendor variant of a VNDK library may be loaded. In such cases, we do not
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// want to eliminate double-loading because doing so means the global states
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// of the library would be shared.
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//
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// Only the no-vendor-variant VNDK libraries are allowed in this namespace.
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// This is to ensure that we do not load libraries needed by no-vendor-variant
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// VNDK libraries into vndk_in_system namespace.
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#include "linkerconfig/namespacebuilder.h"
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#include "linkerconfig/environment.h"
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using android::linkerconfig::modules::IsProductVndkVersionDefined;
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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 BuildVndkInSystemNamespace([[maybe_unused]] const Context& ctx) {
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Namespace ns("vndk_in_system",
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/*is_isolated=*/true,
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/*is_visible=*/false);
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// The search paths here should be kept the same as that of the 'system' namespace.
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ns.AddSearchPath("/system/${LIB}");
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ns.AddSearchPath(Var("SYSTEM_EXT") + "/${LIB}");
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if (!IsProductVndkVersionDefined()) {
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ns.AddSearchPath(Var("PRODUCT") + "/${LIB}");
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}
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if (android::linkerconfig::modules::IsVndkInSystemNamespace()) {
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ns.AddAllowedLib(Var("VNDK_USING_CORE_VARIANT_LIBRARIES"));
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}
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// The links here should be identical to that of the 'vndk' namespace for the
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// [vendor] section, with the following exceptions:
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// 1. 'vndk_in_system' needs to be freely linked back to 'vndk'.
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// 2. 'vndk_in_system' does not need to link to 'default', as any library that
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// requires anything vendor would not be a vndk_in_system library.
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if (ctx.IsProductSection()) {
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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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ns.GetLink("vndk").AllowAllSharedLibs();
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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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