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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"
)
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.VendorSnapshotImageSingleton.RegisterAdditionalModule(ctx,
"vendor_snapshot_dylib", VendorSnapshotDylibFactory)
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
} else if library.dylib() {
variant = cc.SnapshotDylibSuffix
}
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()
}
// vendor_snapshot_dylib is a special prebuilt dylib library which is auto-generated by
// development/vendor_snapshot/update.py. As a part of vendor snapshot, vendor_snapshot_dylib
// overrides the vendor variant of the rust dylib library with the same name, if BOARD_VNDK_VERSION
// is set.
func VendorSnapshotDylibFactory() android.Module {
module, prebuilt := snapshotLibraryFactory(cc.VendorSnapshotImageSingleton, cc.SnapshotDylibSuffix)
prebuilt.libraryDecorator.BuildOnlyDylib()
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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