d7586b6526
Refactors the vendor snapshot support to use the LinkableInterface so that support can be extended to Rust. This CL does not add vendor snapshot support for Rust; that is left for a follow-on CL. Bug: 184042776 Test: m nothing Change-Id: Id0c4970ca00053484a52677d182153cbc454c301
118 lines
3.8 KiB
Go
118 lines
3.8 KiB
Go
// Copyright 2020 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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package cc
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// This file contains utility types and functions for VNDK / vendor snapshot.
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import (
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"android/soong/android"
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)
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var (
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headerExts = []string{".h", ".hh", ".hpp", ".hxx", ".h++", ".inl", ".inc", ".ipp", ".h.generic"}
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)
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func (m *Module) IsSnapshotLibrary() bool {
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if _, ok := m.linker.(snapshotLibraryInterface); ok {
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return true
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}
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return false
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}
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func (m *Module) SnapshotHeaders() android.Paths {
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if m.IsSnapshotLibrary() {
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return m.linker.(snapshotLibraryInterface).snapshotHeaders()
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}
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return android.Paths{}
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}
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func (m *Module) Dylib() bool {
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return false
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}
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func (m *Module) Rlib() bool {
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return false
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}
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func (m *Module) SnapshotRuntimeLibs() []string {
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return m.Properties.SnapshotRuntimeLibs
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}
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func (m *Module) SnapshotSharedLibs() []string {
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return m.Properties.SnapshotSharedLibs
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}
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// snapshotLibraryInterface is an interface for libraries captured to VNDK / vendor snapshots.
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type snapshotLibraryInterface interface {
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libraryInterface
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// collectHeadersForSnapshot is called in GenerateAndroidBuildActions for snapshot aware
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// modules (See isSnapshotAware below).
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// This function should gather all headers needed for snapshot.
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collectHeadersForSnapshot(ctx android.ModuleContext)
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// snapshotHeaders should return collected headers by collectHeadersForSnapshot.
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// Calling snapshotHeaders before collectHeadersForSnapshot is an error.
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snapshotHeaders() android.Paths
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}
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var _ snapshotLibraryInterface = (*prebuiltLibraryLinker)(nil)
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var _ snapshotLibraryInterface = (*libraryDecorator)(nil)
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// snapshotMap is a helper wrapper to a map from base module name to snapshot module name.
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type snapshotMap struct {
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snapshots map[string]string
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}
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func newSnapshotMap() *snapshotMap {
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return &snapshotMap{
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snapshots: make(map[string]string),
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}
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}
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func snapshotMapKey(name string, arch android.ArchType) string {
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return name + ":" + arch.String()
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}
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// Adds a snapshot name for given module name and architecture.
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// e.g. add("libbase", X86, "libbase.vndk.29.x86")
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func (s *snapshotMap) add(name string, arch android.ArchType, snapshot string) {
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s.snapshots[snapshotMapKey(name, arch)] = snapshot
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}
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// Returns snapshot name for given module name and architecture, if found.
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// e.g. get("libcutils", X86) => "libcutils.vndk.29.x86", true
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func (s *snapshotMap) get(name string, arch android.ArchType) (snapshot string, found bool) {
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snapshot, found = s.snapshots[snapshotMapKey(name, arch)]
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return snapshot, found
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}
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// ShouldCollectHeadersForSnapshot determines if the module is a possible candidate for snapshot.
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// If it's true, collectHeadersForSnapshot will be called in GenerateAndroidBuildActions.
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func ShouldCollectHeadersForSnapshot(ctx android.ModuleContext, m LinkableInterface, apexInfo android.ApexInfo) bool {
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if ctx.DeviceConfig().VndkVersion() != "current" &&
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ctx.DeviceConfig().RecoverySnapshotVersion() != "current" {
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return false
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}
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if _, ok := isVndkSnapshotAware(ctx.DeviceConfig(), m, apexInfo); ok {
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return ctx.Config().VndkSnapshotBuildArtifacts()
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}
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for _, image := range []snapshotImage{vendorSnapshotImageSingleton, recoverySnapshotImageSingleton} {
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if isSnapshotAware(ctx.DeviceConfig(), m, image.isProprietaryPath(ctx.ModuleDir(), ctx.DeviceConfig()), apexInfo, image) {
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return true
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}
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}
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return false
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}
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