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// 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"
"github.com/google/blueprint/proptools"
)
func init() {
android.RegisterSdkMemberType(ccBinarySdkMemberType)
}
var ccBinarySdkMemberType = &binarySdkMemberType{
SdkMemberTypeBase: android.SdkMemberTypeBase{
PropertyName: "native_binaries",
HostOsDependent: true,
},
}
type binarySdkMemberType struct {
android.SdkMemberTypeBase
}
func (mt *binarySdkMemberType) AddDependencies(ctx android.SdkDependencyContext, dependencyTag blueprint.DependencyTag, names []string) {
targets := ctx.MultiTargets()
for _, bin := range names {
for _, target := range targets {
variations := target.Variations()
if ctx.Device() {
variations = append(variations,
blueprint.Variation{Mutator: "image", Variation: android.CoreVariation})
}
ctx.AddFarVariationDependencies(variations, dependencyTag, bin)
}
}
}
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) AddPrebuiltModule(ctx android.SdkMemberContext, member android.SdkMember) android.BpModule {
pbm := ctx.SnapshotBuilder().AddPrebuiltModule(member, "cc_prebuilt_binary")
ccModule := member.Variants()[0].(*Module)
if stl := ccModule.stl.Properties.Stl; stl != nil {
pbm.AddProperty("stl", proptools.String(stl))
}
return pbm
}
func (mt *binarySdkMemberType) CreateVariantPropertiesStruct() android.SdkMemberProperties {
return &nativeBinaryInfoProperties{}
}
const (
nativeBinaryDir = "bin"
)
// path to the native binary. Relative to <sdk_root>/<api_dir>
func nativeBinaryPathFor(lib nativeBinaryInfoProperties) string {
return filepath.Join(lib.OsPrefix(), 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 {
android.SdkMemberPropertiesBase
// 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
// The set of shared libraries
//
// This field is exported as its contents may not be arch specific.
SharedLibs []string
// The set of system shared libraries
//
// This field is exported as its contents may not be arch specific.
SystemSharedLibs []string
// Arch specific flags.
StaticExecutable bool
Nocrt bool
}
func (p *nativeBinaryInfoProperties) PopulateFromVariant(ctx android.SdkMemberContext, variant android.Module) {
ccModule := variant.(*Module)
p.archType = ccModule.Target().Arch.ArchType.String()
p.outputFile = getRequiredMemberOutputFile(ctx, ccModule)
binaryLinker := ccModule.linker.(*binaryDecorator)
p.StaticExecutable = binaryLinker.static()
p.Nocrt = Bool(binaryLinker.baseLinker.Properties.Nocrt)
if ccModule.linker != nil {
specifiedDeps := specifiedDeps{}
specifiedDeps = ccModule.linker.linkerSpecifiedDeps(specifiedDeps)
p.SharedLibs = specifiedDeps.sharedLibs
p.SystemSharedLibs = specifiedDeps.systemSharedLibs
}
}
func (p *nativeBinaryInfoProperties) AddToPropertySet(ctx android.SdkMemberContext, propertySet android.BpPropertySet) {
builder := ctx.SnapshotBuilder()
if p.outputFile != nil {
propertySet.AddProperty("srcs", []string{nativeBinaryPathFor(*p)})
builder.CopyToSnapshot(p.outputFile, nativeBinaryPathFor(*p))
}
if len(p.SharedLibs) > 0 {
propertySet.AddPropertyWithTag("shared_libs", p.SharedLibs, builder.SdkMemberReferencePropertyTag(false))
}
// SystemSharedLibs needs to be propagated if it's a list, even if it's empty,
// so check for non-nil instead of nonzero length.
if p.SystemSharedLibs != nil {
propertySet.AddPropertyWithTag("system_shared_libs", p.SystemSharedLibs, builder.SdkMemberReferencePropertyTag(false))
}
if p.StaticExecutable {
propertySet.AddProperty("static_executable", p.StaticExecutable)
}
if p.Nocrt {
propertySet.AddProperty("nocrt", p.Nocrt)
}
}
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