// Copyright 2022 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 ( "fmt" "android/soong/android" "android/soong/cc" "github.com/google/blueprint" ) const afdoFlagFormat = "-Zprofile-sample-use=%s" type afdo struct { Properties cc.AfdoProperties } func (afdo *afdo) props() []interface{} { return []interface{}{&afdo.Properties} } func (afdo *afdo) addDep(ctx BaseModuleContext, actx android.BottomUpMutatorContext) { // afdo is not supported outside of Android if ctx.Host() { return } if mod, ok := ctx.Module().(*Module); ok && mod.Enabled() { fdoProfileName, err := actx.DeviceConfig().AfdoProfile(actx.ModuleName()) if err != nil { ctx.ModuleErrorf("%s", err.Error()) } if fdoProfileName != nil { actx.AddFarVariationDependencies( []blueprint.Variation{ {Mutator: "arch", Variation: actx.Target().ArchVariation()}, {Mutator: "os", Variation: "android"}, }, cc.FdoProfileTag, []string{*fdoProfileName}..., ) } } } func (afdo *afdo) flags(ctx android.ModuleContext, flags Flags, deps PathDeps) (Flags, PathDeps) { if ctx.Host() { return flags, deps } if !afdo.Properties.Afdo { return flags, deps } ctx.VisitDirectDepsWithTag(cc.FdoProfileTag, func(m android.Module) { if ctx.OtherModuleHasProvider(m, cc.FdoProfileProvider) { info := ctx.OtherModuleProvider(m, cc.FdoProfileProvider).(cc.FdoProfileInfo) path := info.Path profileUseFlag := fmt.Sprintf(afdoFlagFormat, path.String()) flags.RustFlags = append(flags.RustFlags, profileUseFlag) deps.AfdoProfiles = append(deps.AfdoProfiles, path) } }) return flags, deps }