platform_build_soong/rust/afdo.go
Yi Kong 46c6e59415 AFDO for Rust
Bug: 195134194
Bug: 165018530
Test: build
Change-Id: I30932a22dc0b22716cdc925a3fcc5f9a169fcec4
2022-01-21 18:13:18 +08:00

48 lines
1.4 KiB
Go

// 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/cc"
)
const afdoFlagFormat = "-Zprofile-sample-use=%s"
type afdo struct {
Properties cc.AfdoProperties
}
func (afdo *afdo) props() []interface{} {
return []interface{}{&afdo.Properties}
}
func (afdo *afdo) flags(ctx ModuleContext, flags Flags, deps PathDeps) (Flags, PathDeps) {
if ctx.Host() {
return flags, deps
}
if afdo != nil && afdo.Properties.Afdo {
if profileFile := afdo.Properties.GetAfdoProfileFile(ctx, ctx.ModuleName()); profileFile.Valid() {
profileUseFlag := fmt.Sprintf(afdoFlagFormat, profileFile)
flags.RustFlags = append(flags.RustFlags, profileUseFlag)
profileFilePath := profileFile.Path()
deps.AfdoProfiles = append(deps.AfdoProfiles, profileFilePath)
}
}
return flags, deps
}