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- // Copyright 2020 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.
- package cc
- // This file contains utility types and functions for VNDK / vendor snapshot.
- import (
- "android/soong/android"
- )
- var (
- HeaderExts = []string{".h", ".hh", ".hpp", ".hxx", ".h++", ".inl", ".inc", ".ipp", ".h.generic"}
- )
- func (m *Module) IsSnapshotLibrary() bool {
- if _, ok := m.linker.(snapshotLibraryInterface); ok {
- return true
- }
- return false
- }
- func (m *Module) SnapshotHeaders() android.Paths {
- if m.IsSnapshotLibrary() {
- return m.linker.(snapshotLibraryInterface).snapshotHeaders()
- }
- return android.Paths{}
- }
- func (m *Module) Dylib() bool {
- return false
- }
- func (m *Module) Rlib() bool {
- return false
- }
- func (m *Module) SnapshotRuntimeLibs() []string {
- return m.Properties.SnapshotRuntimeLibs
- }
- func (m *Module) SnapshotSharedLibs() []string {
- return m.Properties.SnapshotSharedLibs
- }
- func (m *Module) SnapshotStaticLibs() []string {
- return m.Properties.SnapshotStaticLibs
- }
- // snapshotLibraryInterface is an interface for libraries captured to VNDK / vendor snapshots.
- type snapshotLibraryInterface interface {
- libraryInterface
- // collectHeadersForSnapshot is called in GenerateAndroidBuildActions for snapshot aware
- // modules (See isSnapshotAware below).
- // This function should gather all headers needed for snapshot.
- collectHeadersForSnapshot(ctx android.ModuleContext)
- // snapshotHeaders should return collected headers by collectHeadersForSnapshot.
- // Calling snapshotHeaders before collectHeadersForSnapshot is an error.
- snapshotHeaders() android.Paths
- }
- var _ snapshotLibraryInterface = (*prebuiltLibraryLinker)(nil)
- var _ snapshotLibraryInterface = (*libraryDecorator)(nil)
- // snapshotMap is a helper wrapper to a map from base module name to snapshot module name.
- type snapshotMap struct {
- snapshots map[string]string
- }
- func newSnapshotMap() *snapshotMap {
- return &snapshotMap{
- snapshots: make(map[string]string),
- }
- }
- func snapshotMapKey(name string, arch android.ArchType) string {
- return name + ":" + arch.String()
- }
- // Adds a snapshot name for given module name and architecture.
- // e.g. add("libbase", X86, "libbase.vndk.29.x86")
- func (s *snapshotMap) add(name string, arch android.ArchType, snapshot string) {
- s.snapshots[snapshotMapKey(name, arch)] = snapshot
- }
- // Returns snapshot name for given module name and architecture, if found.
- // e.g. get("libcutils", X86) => "libcutils.vndk.29.x86", true
- func (s *snapshotMap) get(name string, arch android.ArchType) (snapshot string, found bool) {
- snapshot, found = s.snapshots[snapshotMapKey(name, arch)]
- return snapshot, found
- }
- // ShouldCollectHeadersForSnapshot determines if the module is a possible candidate for snapshot.
- // If it's true, collectHeadersForSnapshot will be called in GenerateAndroidBuildActions.
- func ShouldCollectHeadersForSnapshot(ctx android.ModuleContext, m LinkableInterface, apexInfo android.ApexInfo) bool {
- if ctx.DeviceConfig().VndkVersion() != "current" &&
- ctx.DeviceConfig().RecoverySnapshotVersion() != "current" {
- return false
- }
- if _, ok := isVndkSnapshotAware(ctx.DeviceConfig(), m, apexInfo); ok {
- return ctx.Config().VndkSnapshotBuildArtifacts()
- }
- for _, image := range []SnapshotImage{VendorSnapshotImageSingleton, RecoverySnapshotImageSingleton} {
- if isSnapshotAware(ctx.DeviceConfig(), m, image.IsProprietaryPath(ctx.ModuleDir(), ctx.DeviceConfig()), apexInfo, image) {
- return true
- }
- }
- return false
- }
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