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- // 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
- }
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