143 lines
4.5 KiB
Go
143 lines
4.5 KiB
Go
// Copyright 2020 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 (
|
|
"path/filepath"
|
|
|
|
"android/soong/android"
|
|
"github.com/google/blueprint"
|
|
)
|
|
|
|
func init() {
|
|
android.RegisterSdkMemberType(ccBinarySdkMemberType)
|
|
}
|
|
|
|
var ccBinarySdkMemberType = &binarySdkMemberType{
|
|
SdkMemberTypeBase: android.SdkMemberTypeBase{
|
|
PropertyName: "native_binaries",
|
|
},
|
|
}
|
|
|
|
type binarySdkMemberType struct {
|
|
android.SdkMemberTypeBase
|
|
}
|
|
|
|
func (mt *binarySdkMemberType) AddDependencies(mctx android.BottomUpMutatorContext, dependencyTag blueprint.DependencyTag, names []string) {
|
|
targets := mctx.MultiTargets()
|
|
for _, lib := range names {
|
|
for _, target := range targets {
|
|
name, version := StubsLibNameAndVersion(lib)
|
|
if version == "" {
|
|
version = LatestStubsVersionFor(mctx.Config(), name)
|
|
}
|
|
mctx.AddFarVariationDependencies(append(target.Variations(), []blueprint.Variation{
|
|
{Mutator: "version", Variation: version},
|
|
}...), dependencyTag, name)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (mt *binarySdkMemberType) IsInstance(module android.Module) bool {
|
|
// Check the module to see if it can be used with this module type.
|
|
if m, ok := module.(*Module); ok {
|
|
for _, allowableMemberType := range m.sdkMemberTypes {
|
|
if allowableMemberType == mt {
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func (mt *binarySdkMemberType) BuildSnapshot(sdkModuleContext android.ModuleContext, builder android.SnapshotBuilder, member android.SdkMember) {
|
|
info := mt.organizeVariants(member)
|
|
buildSharedNativeBinarySnapshot(info, builder, member)
|
|
}
|
|
|
|
// Organize the variants by architecture.
|
|
func (mt *binarySdkMemberType) organizeVariants(member android.SdkMember) *nativeBinaryInfo {
|
|
memberName := member.Name()
|
|
info := &nativeBinaryInfo{
|
|
name: memberName,
|
|
memberType: mt,
|
|
}
|
|
|
|
for _, variant := range member.Variants() {
|
|
ccModule := variant.(*Module)
|
|
|
|
info.archVariantProperties = append(info.archVariantProperties, nativeBinaryInfoProperties{
|
|
name: memberName,
|
|
archType: ccModule.Target().Arch.ArchType.String(),
|
|
outputFile: ccModule.OutputFile().Path(),
|
|
})
|
|
}
|
|
|
|
// Initialize the unexported properties that will not be set during the
|
|
// extraction process.
|
|
info.commonProperties.name = memberName
|
|
|
|
// Extract common properties from the arch specific properties.
|
|
extractCommonProperties(&info.commonProperties, info.archVariantProperties)
|
|
|
|
return info
|
|
}
|
|
|
|
func buildSharedNativeBinarySnapshot(info *nativeBinaryInfo, builder android.SnapshotBuilder, member android.SdkMember) {
|
|
pbm := builder.AddPrebuiltModule(member, "cc_prebuilt_binary")
|
|
pbm.AddProperty("compile_multilib", "both")
|
|
archProperties := pbm.AddPropertySet("arch")
|
|
for _, av := range info.archVariantProperties {
|
|
archTypeProperties := archProperties.AddPropertySet(av.archType)
|
|
archTypeProperties.AddProperty("srcs", []string{nativeBinaryPathFor(av)})
|
|
|
|
builder.CopyToSnapshot(av.outputFile, nativeBinaryPathFor(av))
|
|
}
|
|
}
|
|
|
|
const (
|
|
nativeBinaryDir = "bin"
|
|
)
|
|
|
|
// path to the native binary. Relative to <sdk_root>/<api_dir>
|
|
func nativeBinaryPathFor(lib nativeBinaryInfoProperties) string {
|
|
return filepath.Join(lib.archType,
|
|
nativeBinaryDir, lib.outputFile.Base())
|
|
}
|
|
|
|
// nativeBinaryInfoProperties represents properties of a native binary
|
|
//
|
|
// The exported (capitalized) fields will be examined and may be changed during common value extraction.
|
|
// The unexported fields will be left untouched.
|
|
type nativeBinaryInfoProperties struct {
|
|
// The name of the library, is not exported as this must not be changed during optimization.
|
|
name string
|
|
|
|
// archType is not exported as if set (to a non default value) it is always arch specific.
|
|
// This is "" for common properties.
|
|
archType string
|
|
|
|
// outputFile is not exported as it is always arch specific.
|
|
outputFile android.Path
|
|
}
|
|
|
|
// nativeBinaryInfo represents a collection of arch-specific modules having the same name
|
|
type nativeBinaryInfo struct {
|
|
name string
|
|
memberType *binarySdkMemberType
|
|
archVariantProperties []nativeBinaryInfoProperties
|
|
commonProperties nativeBinaryInfoProperties
|
|
}
|