133 lines
4.4 KiB
Go
133 lines
4.4 KiB
Go
// Copyright 2023 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cc
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import (
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"android/soong/android"
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"android/soong/bazel"
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"github.com/google/blueprint"
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"github.com/google/blueprint/proptools"
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)
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func init() {
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RegisterFdoProfileBuildComponents(android.InitRegistrationContext)
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}
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func RegisterFdoProfileBuildComponents(ctx android.RegistrationContext) {
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ctx.RegisterModuleType("fdo_profile", FdoProfileFactory)
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}
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type fdoProfile struct {
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android.ModuleBase
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android.BazelModuleBase
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properties fdoProfileProperties
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}
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type fdoProfileProperties struct {
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Profile *string `android:"arch_variant"`
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}
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type bazelFdoProfileAttributes struct {
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Profile bazel.StringAttribute
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}
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func (fp *fdoProfile) ConvertWithBp2build(ctx android.Bp2buildMutatorContext) {
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var profileAttr bazel.StringAttribute
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archVariantProps := fp.GetArchVariantProperties(ctx, &fdoProfileProperties{})
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for axis, configToProps := range archVariantProps {
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for config, _props := range configToProps {
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if archProps, ok := _props.(*fdoProfileProperties); ok {
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if axis.String() == "arch" || axis.String() == "no_config" {
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if archProps.Profile != nil {
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profileAttr.SetSelectValue(axis, config, archProps.Profile)
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}
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}
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}
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}
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}
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// Ideally, cc_library_shared's fdo_profile attr can be a select statement so that we
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// don't lift the restriction here. However, in cc_library_shared macro, fdo_profile
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// is used as a string, we need to temporarily lift the host restriction until we can
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// pass use fdo_profile attr with select statement
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// https://cs.android.com/android/platform/superproject/+/master:build/bazel/rules/cc/cc_library_shared.bzl;l=127;drc=cc01bdfd39857eddbab04ef69ab6db22dcb1858a
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// TODO(b/276287371): Drop the restriction override after fdo_profile path is handled properly
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var noRestriction bazel.BoolAttribute
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noRestriction.SetSelectValue(bazel.NoConfigAxis, "", proptools.BoolPtr(true))
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ctx.CreateBazelTargetModuleWithRestrictions(
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bazel.BazelTargetModuleProperties{
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Bzl_load_location: "//build/bazel/rules/fdo:fdo_profile.bzl",
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Rule_class: "fdo_profile",
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},
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android.CommonAttributes{
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Name: fp.Name(),
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},
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&bazelFdoProfileAttributes{
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Profile: profileAttr,
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},
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noRestriction,
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)
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}
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// FdoProfileInfo is provided by FdoProfileProvider
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type FdoProfileInfo struct {
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Path android.Path
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}
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// FdoProfileProvider is used to provide path to an fdo profile
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var FdoProfileProvider = blueprint.NewMutatorProvider(FdoProfileInfo{}, "fdo_profile")
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// FdoProfileMutatorInterface is the interface implemented by fdo_profile module type
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// module types that can depend on an fdo_profile module
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type FdoProfileMutatorInterface interface {
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// FdoProfileMutator eithers set or get FdoProfileProvider
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fdoProfileMutator(ctx android.BottomUpMutatorContext)
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}
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var _ FdoProfileMutatorInterface = (*fdoProfile)(nil)
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// GenerateAndroidBuildActions of fdo_profile does not have any build actions
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func (fp *fdoProfile) GenerateAndroidBuildActions(ctx android.ModuleContext) {}
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// FdoProfileMutator sets FdoProfileProvider to fdo_profile module
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// or sets afdo.Properties.FdoProfilePath to path in FdoProfileProvider of the depended fdo_profile
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func (fp *fdoProfile) fdoProfileMutator(ctx android.BottomUpMutatorContext) {
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if fp.properties.Profile != nil {
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path := android.PathForModuleSrc(ctx, *fp.properties.Profile)
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ctx.SetProvider(FdoProfileProvider, FdoProfileInfo{
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Path: path,
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})
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}
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}
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// fdoProfileMutator calls the generic fdoProfileMutator function of fdoProfileMutator
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// which is implemented by cc and cc.FdoProfile
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func fdoProfileMutator(ctx android.BottomUpMutatorContext) {
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if f, ok := ctx.Module().(FdoProfileMutatorInterface); ok {
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f.fdoProfileMutator(ctx)
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}
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}
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func FdoProfileFactory() android.Module {
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m := &fdoProfile{}
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m.AddProperties(&m.properties)
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android.InitAndroidMultiTargetsArchModule(m, android.DeviceSupported, android.MultilibBoth)
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android.InitBazelModule(m)
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return m
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}
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