| // Copyright 2023 Google Inc. All rights reserved. |
| // |
| // 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 cc |
| |
| import ( |
| "android/soong/android" |
| "android/soong/bazel" |
| |
| "github.com/google/blueprint" |
| "github.com/google/blueprint/proptools" |
| ) |
| |
| func init() { |
| RegisterFdoProfileBuildComponents(android.InitRegistrationContext) |
| } |
| |
| func RegisterFdoProfileBuildComponents(ctx android.RegistrationContext) { |
| ctx.RegisterModuleType("fdo_profile", FdoProfileFactory) |
| } |
| |
| type fdoProfile struct { |
| android.ModuleBase |
| android.BazelModuleBase |
| |
| properties fdoProfileProperties |
| } |
| |
| type fdoProfileProperties struct { |
| Profile *string `android:"arch_variant"` |
| } |
| |
| type bazelFdoProfileAttributes struct { |
| Profile bazel.StringAttribute |
| } |
| |
| func (fp *fdoProfile) ConvertWithBp2build(ctx android.Bp2buildMutatorContext) { |
| var profileAttr bazel.StringAttribute |
| |
| archVariantProps := fp.GetArchVariantProperties(ctx, &fdoProfileProperties{}) |
| for axis, configToProps := range archVariantProps { |
| for config, _props := range configToProps { |
| if archProps, ok := _props.(*fdoProfileProperties); ok { |
| if axis.String() == "arch" || axis.String() == "no_config" { |
| if archProps.Profile != nil { |
| profileAttr.SetSelectValue(axis, config, archProps.Profile) |
| } |
| } |
| } |
| } |
| } |
| |
| // Ideally, cc_library_shared's fdo_profile attr can be a select statement so that we |
| // don't lift the restriction here. However, in cc_library_shared macro, fdo_profile |
| // is used as a string, we need to temporarily lift the host restriction until we can |
| // pass use fdo_profile attr with select statement |
| // https://cs.android.com/android/platform/superproject/+/master:build/bazel/rules/cc/cc_library_shared.bzl;l=127;drc=cc01bdfd39857eddbab04ef69ab6db22dcb1858a |
| // TODO(b/276287371): Drop the restriction override after fdo_profile path is handled properly |
| var noRestriction bazel.BoolAttribute |
| noRestriction.SetSelectValue(bazel.NoConfigAxis, "", proptools.BoolPtr(true)) |
| |
| ctx.CreateBazelTargetModuleWithRestrictions( |
| bazel.BazelTargetModuleProperties{ |
| Bzl_load_location: "//build/bazel/rules/fdo:fdo_profile.bzl", |
| Rule_class: "fdo_profile", |
| }, |
| android.CommonAttributes{ |
| Name: fp.Name(), |
| }, |
| &bazelFdoProfileAttributes{ |
| Profile: profileAttr, |
| }, |
| noRestriction, |
| ) |
| } |
| |
| // FdoProfileInfo is provided by FdoProfileProvider |
| type FdoProfileInfo struct { |
| Path android.Path |
| } |
| |
| // FdoProfileProvider is used to provide path to an fdo profile |
| var FdoProfileProvider = blueprint.NewMutatorProvider(FdoProfileInfo{}, "fdo_profile") |
| |
| // FdoProfileMutatorInterface is the interface implemented by fdo_profile module type |
| // module types that can depend on an fdo_profile module |
| type FdoProfileMutatorInterface interface { |
| // FdoProfileMutator eithers set or get FdoProfileProvider |
| fdoProfileMutator(ctx android.BottomUpMutatorContext) |
| } |
| |
| var _ FdoProfileMutatorInterface = (*fdoProfile)(nil) |
| |
| // GenerateAndroidBuildActions of fdo_profile does not have any build actions |
| func (fp *fdoProfile) GenerateAndroidBuildActions(ctx android.ModuleContext) {} |
| |
| // FdoProfileMutator sets FdoProfileProvider to fdo_profile module |
| // or sets afdo.Properties.FdoProfilePath to path in FdoProfileProvider of the depended fdo_profile |
| func (fp *fdoProfile) fdoProfileMutator(ctx android.BottomUpMutatorContext) { |
| if fp.properties.Profile != nil { |
| path := android.PathForModuleSrc(ctx, *fp.properties.Profile) |
| ctx.SetProvider(FdoProfileProvider, FdoProfileInfo{ |
| Path: path, |
| }) |
| } |
| } |
| |
| // fdoProfileMutator calls the generic fdoProfileMutator function of fdoProfileMutator |
| // which is implemented by cc and cc.FdoProfile |
| func fdoProfileMutator(ctx android.BottomUpMutatorContext) { |
| if f, ok := ctx.Module().(FdoProfileMutatorInterface); ok { |
| f.fdoProfileMutator(ctx) |
| } |
| } |
| |
| func FdoProfileFactory() android.Module { |
| m := &fdoProfile{} |
| m.AddProperties(&m.properties) |
| android.InitAndroidMultiTargetsArchModule(m, android.DeviceSupported, android.MultilibBoth) |
| android.InitBazelModule(m) |
| return m |
| } |