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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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