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- // Copyright 2021 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 rust
- import (
- "android/soong/android"
- "android/soong/cc"
- "github.com/google/blueprint/proptools"
- )
- const (
- snapshotRlibSuffix = "_rlib."
- )
- type snapshotLibraryDecorator struct {
- cc.BaseSnapshotDecorator
- *libraryDecorator
- properties cc.SnapshotLibraryProperties
- sanitizerProperties struct {
- CfiEnabled bool `blueprint:"mutated"`
- // Library flags for cfi variant.
- Cfi cc.SnapshotLibraryProperties `android:"arch_variant"`
- }
- }
- func init() {
- registerRustSnapshotModules(android.InitRegistrationContext)
- }
- func registerRustSnapshotModules(ctx android.RegistrationContext) {
- cc.VendorSnapshotImageSingleton.RegisterAdditionalModule(ctx,
- "vendor_snapshot_rlib", VendorSnapshotRlibFactory)
- cc.RecoverySnapshotImageSingleton.RegisterAdditionalModule(ctx,
- "recovery_snapshot_rlib", RecoverySnapshotRlibFactory)
- }
- func snapshotLibraryFactory(image cc.SnapshotImage, moduleSuffix string) (*Module, *snapshotLibraryDecorator) {
- module, library := NewRustLibrary(android.DeviceSupported)
- module.sanitize = nil
- library.stripper.StripProperties.Strip.None = proptools.BoolPtr(true)
- prebuilt := &snapshotLibraryDecorator{
- libraryDecorator: library,
- }
- module.compiler = prebuilt
- prebuilt.Init(module, image, moduleSuffix)
- module.AddProperties(
- &prebuilt.properties,
- &prebuilt.sanitizerProperties,
- )
- return module, prebuilt
- }
- func (library *snapshotLibraryDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) buildOutput {
- var variant string
- if library.static() {
- variant = cc.SnapshotStaticSuffix
- } else if library.shared() {
- variant = cc.SnapshotSharedSuffix
- } else if library.rlib() {
- variant = cc.SnapshotRlibSuffix
- }
- if !library.dylib() {
- // TODO(184042776): Remove this check when dylibs are supported in snapshots.
- library.SetSnapshotAndroidMkSuffix(ctx, variant)
- }
- if !library.MatchesWithDevice(ctx.DeviceConfig()) {
- return buildOutput{}
- }
- outputFile := android.PathForModuleSrc(ctx, *library.properties.Src)
- library.unstrippedOutputFile = outputFile
- return buildOutput{outputFile: outputFile}
- }
- func (library *snapshotLibraryDecorator) rustdoc(ctx ModuleContext, flags Flags, deps PathDeps) android.OptionalPath {
- return android.OptionalPath{}
- }
- // vendor_snapshot_rlib is a special prebuilt rlib library which is auto-generated by
- // development/vendor_snapshot/update.py. As a part of vendor snapshot, vendor_snapshot_rlib
- // overrides the vendor variant of the rust rlib library with the same name, if BOARD_VNDK_VERSION
- // is set.
- func VendorSnapshotRlibFactory() android.Module {
- module, prebuilt := snapshotLibraryFactory(cc.VendorSnapshotImageSingleton, cc.SnapshotRlibSuffix)
- prebuilt.libraryDecorator.BuildOnlyRlib()
- prebuilt.libraryDecorator.setNoStdlibs()
- return module.Init()
- }
- func RecoverySnapshotRlibFactory() android.Module {
- module, prebuilt := snapshotLibraryFactory(cc.RecoverySnapshotImageSingleton, cc.SnapshotRlibSuffix)
- prebuilt.libraryDecorator.BuildOnlyRlib()
- prebuilt.libraryDecorator.setNoStdlibs()
- return module.Init()
- }
- func (library *snapshotLibraryDecorator) MatchesWithDevice(config android.DeviceConfig) bool {
- arches := config.Arches()
- if len(arches) == 0 || arches[0].ArchType.String() != library.Arch() {
- return false
- }
- if library.properties.Src == nil {
- return false
- }
- return true
- }
- func (library *snapshotLibraryDecorator) IsSnapshotPrebuilt() bool {
- return true
- }
- var _ cc.SnapshotInterface = (*snapshotLibraryDecorator)(nil)
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