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// Copyright 2017 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 (
"strings"
"android/soong/android"
)
var (
vndkSuffix = ".vndk."
)
// Creates vndk prebuilts that include the VNDK version.
//
// Example:
//
// vndk_prebuilt_shared {
// name: "libfoo",
// version: "27.1.0",
// vendor_available: true,
// vndk: {
// enabled: true,
// },
// export_include_dirs: ["include/external/libfoo/vndk_include"],
// arch: {
// arm64: {
// srcs: ["arm/lib64/libfoo.so"],
// },
// arm: {
// srcs: ["arm/lib/libfoo.so"],
// },
// },
// }
//
type vndkPrebuiltProperties struct {
// VNDK snapshot version.
Version *string
// Target arch name of the snapshot (e.g. 'arm64' for variant 'aosp_arm64_ab')
Target_arch *string
// Prebuilt files for each arch.
Srcs []string `android:"arch_variant"`
}
type vndkPrebuiltLibraryDecorator struct {
*libraryDecorator
properties vndkPrebuiltProperties
}
func (p *vndkPrebuiltLibraryDecorator) Name(name string) string {
return name + p.NameSuffix()
}
func (p *vndkPrebuiltLibraryDecorator) NameSuffix() string {
if p.arch() != "" {
return vndkSuffix + p.version() + "." + p.arch()
}
return vndkSuffix + p.version()
}
func (p *vndkPrebuiltLibraryDecorator) version() string {
return String(p.properties.Version)
}
func (p *vndkPrebuiltLibraryDecorator) arch() string {
return String(p.properties.Target_arch)
}
func (p *vndkPrebuiltLibraryDecorator) linkerFlags(ctx ModuleContext, flags Flags) Flags {
p.libraryDecorator.libName = strings.TrimSuffix(ctx.ModuleName(), p.NameSuffix())
return p.libraryDecorator.linkerFlags(ctx, flags)
}
func (p *vndkPrebuiltLibraryDecorator) singleSourcePath(ctx ModuleContext) android.Path {
if len(p.properties.Srcs) == 0 {
ctx.PropertyErrorf("srcs", "missing prebuilt source file")
return nil
}
if len(p.properties.Srcs) > 1 {
ctx.PropertyErrorf("srcs", "multiple prebuilt source files")
return nil
}
return android.PathForModuleSrc(ctx, p.properties.Srcs[0])
}
func (p *vndkPrebuiltLibraryDecorator) link(ctx ModuleContext,
flags Flags, deps PathDeps, objs Objects) android.Path {
if len(p.properties.Srcs) > 0 && p.shared() {
// current VNDK prebuilts are only shared libs.
return p.singleSourcePath(ctx)
}
return nil
}
func (p *vndkPrebuiltLibraryDecorator) install(ctx ModuleContext, file android.Path) {
arches := ctx.DeviceConfig().Arches()
if len(arches) == 0 || arches[0].ArchType.String() != p.arch() {
return
}
if p.shared() {
if ctx.isVndkSp() {
p.baseInstaller.subDir = "vndk-sp-" + p.version()
} else if ctx.isVndk() {
p.baseInstaller.subDir = "vndk-" + p.version()
}
p.baseInstaller.install(ctx, file)
}
}
func vndkPrebuiltSharedLibrary() *Module {
module, library := NewLibrary(android.DeviceSupported)
library.BuildOnlyShared()
module.stl = nil
module.sanitize = nil
library.StripProperties.Strip.None = BoolPtr(true)
prebuilt := &vndkPrebuiltLibraryDecorator{
libraryDecorator: library,
}
module.compiler = nil
module.linker = prebuilt
module.installer = prebuilt
module.AddProperties(
&prebuilt.properties,
)
return module
}
func vndkPrebuiltSharedFactory() android.Module {
module := vndkPrebuiltSharedLibrary()
return module.Init()
}
func init() {
android.RegisterModuleType("vndk_prebuilt_shared", vndkPrebuiltSharedFactory)
}
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