840 lines
24 KiB
Go
840 lines
24 KiB
Go
// Copyright 2020 The Android Open Source Project
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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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"encoding/json"
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"path/filepath"
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"sort"
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"strings"
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"sync"
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"github.com/google/blueprint/proptools"
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"android/soong/android"
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)
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const (
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vendorSnapshotHeaderSuffix = ".vendor_header."
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vendorSnapshotSharedSuffix = ".vendor_shared."
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vendorSnapshotStaticSuffix = ".vendor_static."
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vendorSnapshotBinarySuffix = ".vendor_binary."
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)
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var (
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vendorSnapshotsLock sync.Mutex
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vendorSuffixModulesKey = android.NewOnceKey("vendorSuffixModules")
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vendorSnapshotHeaderLibsKey = android.NewOnceKey("vendorSnapshotHeaderLibs")
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vendorSnapshotStaticLibsKey = android.NewOnceKey("vendorSnapshotStaticLibs")
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vendorSnapshotSharedLibsKey = android.NewOnceKey("vendorSnapshotSharedLibs")
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vendorSnapshotBinariesKey = android.NewOnceKey("vendorSnapshotBinaries")
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)
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// vendor snapshot maps hold names of vendor snapshot modules per arch
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func vendorSuffixModules(config android.Config) map[string]bool {
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return config.Once(vendorSuffixModulesKey, func() interface{} {
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return make(map[string]bool)
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}).(map[string]bool)
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}
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func vendorSnapshotHeaderLibs(config android.Config) *snapshotMap {
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return config.Once(vendorSnapshotHeaderLibsKey, func() interface{} {
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return newSnapshotMap()
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}).(*snapshotMap)
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}
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func vendorSnapshotSharedLibs(config android.Config) *snapshotMap {
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return config.Once(vendorSnapshotSharedLibsKey, func() interface{} {
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return newSnapshotMap()
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}).(*snapshotMap)
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}
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func vendorSnapshotStaticLibs(config android.Config) *snapshotMap {
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return config.Once(vendorSnapshotStaticLibsKey, func() interface{} {
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return newSnapshotMap()
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}).(*snapshotMap)
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}
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func vendorSnapshotBinaries(config android.Config) *snapshotMap {
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return config.Once(vendorSnapshotBinariesKey, func() interface{} {
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return newSnapshotMap()
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}).(*snapshotMap)
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}
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type vendorSnapshotLibraryProperties struct {
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// snapshot version.
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Version string
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// Target arch name of the snapshot (e.g. 'arm64' for variant 'aosp_arm64')
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Target_arch string
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// Prebuilt file for each arch.
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Src *string `android:"arch_variant"`
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// list of flags that will be used for any module that links against this module.
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Export_flags []string `android:"arch_variant"`
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// Check the prebuilt ELF files (e.g. DT_SONAME, DT_NEEDED, resolution of undefined symbols,
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// etc).
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Check_elf_files *bool
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// Whether this prebuilt needs to depend on sanitize ubsan runtime or not.
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Sanitize_ubsan_dep *bool `android:"arch_variant"`
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// Whether this prebuilt needs to depend on sanitize minimal runtime or not.
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Sanitize_minimal_dep *bool `android:"arch_variant"`
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}
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type vendorSnapshotLibraryDecorator struct {
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*libraryDecorator
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properties vendorSnapshotLibraryProperties
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androidMkVendorSuffix bool
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}
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func (p *vendorSnapshotLibraryDecorator) Name(name string) string {
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return name + p.NameSuffix()
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}
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func (p *vendorSnapshotLibraryDecorator) NameSuffix() string {
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versionSuffix := p.version()
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if p.arch() != "" {
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versionSuffix += "." + p.arch()
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}
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var linkageSuffix string
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if p.buildShared() {
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linkageSuffix = vendorSnapshotSharedSuffix
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} else if p.buildStatic() {
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linkageSuffix = vendorSnapshotStaticSuffix
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} else {
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linkageSuffix = vendorSnapshotHeaderSuffix
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}
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return linkageSuffix + versionSuffix
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}
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func (p *vendorSnapshotLibraryDecorator) version() string {
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return p.properties.Version
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}
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func (p *vendorSnapshotLibraryDecorator) arch() string {
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return p.properties.Target_arch
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}
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func (p *vendorSnapshotLibraryDecorator) linkerFlags(ctx ModuleContext, flags Flags) Flags {
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p.libraryDecorator.libName = strings.TrimSuffix(ctx.ModuleName(), p.NameSuffix())
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return p.libraryDecorator.linkerFlags(ctx, flags)
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}
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func (p *vendorSnapshotLibraryDecorator) matchesWithDevice(config android.DeviceConfig) bool {
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arches := config.Arches()
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if len(arches) == 0 || arches[0].ArchType.String() != p.arch() {
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return false
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}
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if !p.header() && p.properties.Src == nil {
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return false
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}
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return true
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}
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func (p *vendorSnapshotLibraryDecorator) link(ctx ModuleContext,
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flags Flags, deps PathDeps, objs Objects) android.Path {
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m := ctx.Module().(*Module)
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p.androidMkVendorSuffix = vendorSuffixModules(ctx.Config())[m.BaseModuleName()]
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if p.header() {
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return p.libraryDecorator.link(ctx, flags, deps, objs)
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}
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if !p.matchesWithDevice(ctx.DeviceConfig()) {
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return nil
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}
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p.libraryDecorator.exportIncludes(ctx)
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p.libraryDecorator.reexportFlags(p.properties.Export_flags...)
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in := android.PathForModuleSrc(ctx, *p.properties.Src)
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p.unstrippedOutputFile = in
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if p.shared() {
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libName := in.Base()
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builderFlags := flagsToBuilderFlags(flags)
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// Optimize out relinking against shared libraries whose interface hasn't changed by
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// depending on a table of contents file instead of the library itself.
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tocFile := android.PathForModuleOut(ctx, libName+".toc")
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p.tocFile = android.OptionalPathForPath(tocFile)
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TransformSharedObjectToToc(ctx, in, tocFile, builderFlags)
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}
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return in
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}
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func (p *vendorSnapshotLibraryDecorator) nativeCoverage() bool {
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return false
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}
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func (p *vendorSnapshotLibraryDecorator) install(ctx ModuleContext, file android.Path) {
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if p.matchesWithDevice(ctx.DeviceConfig()) && (p.shared() || p.static()) {
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p.baseInstaller.install(ctx, file)
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}
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}
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type vendorSnapshotInterface interface {
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version() string
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}
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func vendorSnapshotLoadHook(ctx android.LoadHookContext, p vendorSnapshotInterface) {
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if p.version() != ctx.DeviceConfig().VndkVersion() {
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ctx.Module().Disable()
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return
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}
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}
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func vendorSnapshotLibrary() (*Module, *vendorSnapshotLibraryDecorator) {
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module, library := NewLibrary(android.DeviceSupported)
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module.stl = nil
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module.sanitize = nil
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library.StripProperties.Strip.None = BoolPtr(true)
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prebuilt := &vendorSnapshotLibraryDecorator{
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libraryDecorator: library,
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}
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prebuilt.baseLinker.Properties.No_libcrt = BoolPtr(true)
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prebuilt.baseLinker.Properties.Nocrt = BoolPtr(true)
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// Prevent default system libs (libc, libm, and libdl) from being linked
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if prebuilt.baseLinker.Properties.System_shared_libs == nil {
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prebuilt.baseLinker.Properties.System_shared_libs = []string{}
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}
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module.compiler = nil
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module.linker = prebuilt
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module.installer = prebuilt
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module.AddProperties(
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&prebuilt.properties,
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)
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return module, prebuilt
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}
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func VendorSnapshotSharedFactory() android.Module {
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module, prebuilt := vendorSnapshotLibrary()
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prebuilt.libraryDecorator.BuildOnlyShared()
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android.AddLoadHook(module, func(ctx android.LoadHookContext) {
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vendorSnapshotLoadHook(ctx, prebuilt)
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})
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return module.Init()
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}
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func VendorSnapshotStaticFactory() android.Module {
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module, prebuilt := vendorSnapshotLibrary()
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prebuilt.libraryDecorator.BuildOnlyStatic()
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android.AddLoadHook(module, func(ctx android.LoadHookContext) {
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vendorSnapshotLoadHook(ctx, prebuilt)
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})
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return module.Init()
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}
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func VendorSnapshotHeaderFactory() android.Module {
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module, prebuilt := vendorSnapshotLibrary()
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prebuilt.libraryDecorator.HeaderOnly()
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android.AddLoadHook(module, func(ctx android.LoadHookContext) {
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vendorSnapshotLoadHook(ctx, prebuilt)
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})
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return module.Init()
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}
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type vendorSnapshotBinaryProperties struct {
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// snapshot version.
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Version string
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// Target arch name of the snapshot (e.g. 'arm64' for variant 'aosp_arm64_ab')
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Target_arch string
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// Prebuilt file for each arch.
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Src *string `android:"arch_variant"`
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}
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type vendorSnapshotBinaryDecorator struct {
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*binaryDecorator
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properties vendorSnapshotBinaryProperties
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androidMkVendorSuffix bool
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}
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func (p *vendorSnapshotBinaryDecorator) Name(name string) string {
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return name + p.NameSuffix()
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}
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func (p *vendorSnapshotBinaryDecorator) NameSuffix() string {
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versionSuffix := p.version()
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if p.arch() != "" {
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versionSuffix += "." + p.arch()
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}
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return vendorSnapshotBinarySuffix + versionSuffix
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}
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func (p *vendorSnapshotBinaryDecorator) version() string {
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return p.properties.Version
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}
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func (p *vendorSnapshotBinaryDecorator) arch() string {
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return p.properties.Target_arch
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}
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func (p *vendorSnapshotBinaryDecorator) matchesWithDevice(config android.DeviceConfig) bool {
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if config.DeviceArch() != p.arch() {
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return false
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}
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if p.properties.Src == nil {
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return false
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}
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return true
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}
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func (p *vendorSnapshotBinaryDecorator) link(ctx ModuleContext,
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flags Flags, deps PathDeps, objs Objects) android.Path {
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if !p.matchesWithDevice(ctx.DeviceConfig()) {
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return nil
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}
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in := android.PathForModuleSrc(ctx, *p.properties.Src)
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builderFlags := flagsToBuilderFlags(flags)
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p.unstrippedOutputFile = in
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binName := in.Base()
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if p.needsStrip(ctx) {
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stripped := android.PathForModuleOut(ctx, "stripped", binName)
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p.stripExecutableOrSharedLib(ctx, in, stripped, builderFlags)
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in = stripped
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}
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m := ctx.Module().(*Module)
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p.androidMkVendorSuffix = vendorSuffixModules(ctx.Config())[m.BaseModuleName()]
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// use cpExecutable to make it executable
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outputFile := android.PathForModuleOut(ctx, binName)
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ctx.Build(pctx, android.BuildParams{
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Rule: android.CpExecutable,
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Description: "prebuilt",
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Output: outputFile,
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Input: in,
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})
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return outputFile
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}
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func VendorSnapshotBinaryFactory() android.Module {
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module, binary := NewBinary(android.DeviceSupported)
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binary.baseLinker.Properties.No_libcrt = BoolPtr(true)
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binary.baseLinker.Properties.Nocrt = BoolPtr(true)
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// Prevent default system libs (libc, libm, and libdl) from being linked
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if binary.baseLinker.Properties.System_shared_libs == nil {
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binary.baseLinker.Properties.System_shared_libs = []string{}
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}
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prebuilt := &vendorSnapshotBinaryDecorator{
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binaryDecorator: binary,
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}
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module.compiler = nil
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module.sanitize = nil
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module.stl = nil
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module.linker = prebuilt
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android.AddLoadHook(module, func(ctx android.LoadHookContext) {
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vendorSnapshotLoadHook(ctx, prebuilt)
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})
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module.AddProperties(&prebuilt.properties)
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return module.Init()
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}
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func init() {
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android.RegisterSingletonType("vendor-snapshot", VendorSnapshotSingleton)
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android.RegisterModuleType("vendor_snapshot_shared", VendorSnapshotSharedFactory)
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android.RegisterModuleType("vendor_snapshot_static", VendorSnapshotStaticFactory)
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android.RegisterModuleType("vendor_snapshot_header", VendorSnapshotHeaderFactory)
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android.RegisterModuleType("vendor_snapshot_binary", VendorSnapshotBinaryFactory)
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}
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func VendorSnapshotSingleton() android.Singleton {
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return &vendorSnapshotSingleton{}
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}
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type vendorSnapshotSingleton struct {
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vendorSnapshotZipFile android.OptionalPath
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}
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var (
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// Modules under following directories are ignored. They are OEM's and vendor's
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// proprietary modules(device/, vendor/, and hardware/).
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// TODO(b/65377115): Clean up these with more maintainable way
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vendorProprietaryDirs = []string{
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"device",
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"vendor",
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"hardware",
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}
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// Modules under following directories are included as they are in AOSP,
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// although hardware/ is normally for vendor's own.
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// TODO(b/65377115): Clean up these with more maintainable way
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aospDirsUnderProprietary = []string{
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"hardware/interfaces",
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"hardware/libhardware",
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"hardware/libhardware_legacy",
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"hardware/ril",
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}
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)
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// Determine if a dir under source tree is an SoC-owned proprietary directory, such as
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// device/, vendor/, etc.
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func isVendorProprietaryPath(dir string) bool {
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for _, p := range vendorProprietaryDirs {
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if strings.HasPrefix(dir, p) {
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// filter out AOSP defined directories, e.g. hardware/interfaces/
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aosp := false
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for _, p := range aospDirsUnderProprietary {
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if strings.HasPrefix(dir, p) {
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aosp = true
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break
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}
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}
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if !aosp {
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return true
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}
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}
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}
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return false
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}
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// Determine if a module is going to be included in vendor snapshot or not.
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//
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// Targets of vendor snapshot are "vendor: true" or "vendor_available: true" modules in
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// AOSP. They are not guaranteed to be compatible with older vendor images. (e.g. might
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// depend on newer VNDK) So they are captured as vendor snapshot To build older vendor
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// image and newer system image altogether.
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func isVendorSnapshotModule(m *Module, moduleDir string) bool {
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if !m.Enabled() {
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return false
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}
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// skip proprietary modules, but include all VNDK (static)
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if isVendorProprietaryPath(moduleDir) && !m.IsVndk() {
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return false
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}
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if m.Target().Os.Class != android.Device {
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return false
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}
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if m.Target().NativeBridge == android.NativeBridgeEnabled {
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return false
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}
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// the module must be installed in /vendor
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if !m.installable() || m.isSnapshotPrebuilt() || !m.inVendor() {
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return false
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}
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// exclude test modules
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if _, ok := m.linker.(interface{ gtest() bool }); ok {
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return false
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}
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// TODO(b/65377115): add full support for sanitizer
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if m.sanitize != nil && !m.sanitize.isUnsanitizedVariant() {
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return false
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}
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// Libraries
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if l, ok := m.linker.(snapshotLibraryInterface); ok {
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if l.static() {
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return proptools.BoolDefault(m.VendorProperties.Vendor_available, true)
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}
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if l.shared() {
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return !m.IsVndk()
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}
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return true
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}
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// Binaries
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_, ok := m.linker.(*binaryDecorator)
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if !ok {
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if _, ok := m.linker.(*prebuiltBinaryLinker); !ok {
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return false
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}
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}
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return proptools.BoolDefault(m.VendorProperties.Vendor_available, true)
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}
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func (c *vendorSnapshotSingleton) GenerateBuildActions(ctx android.SingletonContext) {
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// BOARD_VNDK_VERSION must be set to 'current' in order to generate a vendor snapshot.
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if ctx.DeviceConfig().VndkVersion() != "current" {
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return
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}
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|
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var snapshotOutputs android.Paths
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/*
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Vendor snapshot zipped artifacts directory structure:
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{SNAPSHOT_ARCH}/
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arch-{TARGET_ARCH}-{TARGET_ARCH_VARIANT}/
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shared/
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(.so shared libraries)
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static/
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(.a static libraries)
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header/
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(header only libraries)
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binary/
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(executable binaries)
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arch-{TARGET_2ND_ARCH}-{TARGET_2ND_ARCH_VARIANT}/
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shared/
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(.so shared libraries)
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static/
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(.a static libraries)
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header/
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(header only libraries)
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binary/
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(executable binaries)
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NOTICE_FILES/
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(notice files, e.g. libbase.txt)
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configs/
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(config files, e.g. init.rc files, vintf_fragments.xml files, etc.)
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include/
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(header files of same directory structure with source tree)
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*/
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snapshotDir := "vendor-snapshot"
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snapshotArchDir := filepath.Join(snapshotDir, ctx.DeviceConfig().DeviceArch())
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includeDir := filepath.Join(snapshotArchDir, "include")
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configsDir := filepath.Join(snapshotArchDir, "configs")
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noticeDir := filepath.Join(snapshotArchDir, "NOTICE_FILES")
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installedNotices := make(map[string]bool)
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installedConfigs := make(map[string]bool)
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var headers android.Paths
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installSnapshot := func(m *Module) android.Paths {
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targetArch := "arch-" + m.Target().Arch.ArchType.String()
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if m.Target().Arch.ArchVariant != "" {
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targetArch += "-" + m.Target().Arch.ArchVariant
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}
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|
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var ret android.Paths
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prop := struct {
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ModuleName string `json:",omitempty"`
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RelativeInstallPath string `json:",omitempty"`
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|
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// library flags
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ExportedDirs []string `json:",omitempty"`
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ExportedSystemDirs []string `json:",omitempty"`
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ExportedFlags []string `json:",omitempty"`
|
|
SanitizeMinimalDep bool `json:",omitempty"`
|
|
SanitizeUbsanDep bool `json:",omitempty"`
|
|
|
|
// binary flags
|
|
Symlinks []string `json:",omitempty"`
|
|
|
|
// dependencies
|
|
SharedLibs []string `json:",omitempty"`
|
|
RuntimeLibs []string `json:",omitempty"`
|
|
Required []string `json:",omitempty"`
|
|
|
|
// extra config files
|
|
InitRc []string `json:",omitempty"`
|
|
VintfFragments []string `json:",omitempty"`
|
|
}{}
|
|
|
|
// Common properties among snapshots.
|
|
prop.ModuleName = ctx.ModuleName(m)
|
|
prop.RelativeInstallPath = m.RelativeInstallPath()
|
|
prop.RuntimeLibs = m.Properties.SnapshotRuntimeLibs
|
|
prop.Required = m.RequiredModuleNames()
|
|
for _, path := range m.InitRc() {
|
|
prop.InitRc = append(prop.InitRc, filepath.Join("configs", path.Base()))
|
|
}
|
|
for _, path := range m.VintfFragments() {
|
|
prop.VintfFragments = append(prop.VintfFragments, filepath.Join("configs", path.Base()))
|
|
}
|
|
|
|
// install config files. ignores any duplicates.
|
|
for _, path := range append(m.InitRc(), m.VintfFragments()...) {
|
|
out := filepath.Join(configsDir, path.Base())
|
|
if !installedConfigs[out] {
|
|
installedConfigs[out] = true
|
|
ret = append(ret, copyFile(ctx, path, out))
|
|
}
|
|
}
|
|
|
|
var propOut string
|
|
|
|
if l, ok := m.linker.(snapshotLibraryInterface); ok {
|
|
// library flags
|
|
prop.ExportedFlags = l.exportedFlags()
|
|
for _, dir := range l.exportedDirs() {
|
|
prop.ExportedDirs = append(prop.ExportedDirs, filepath.Join("include", dir.String()))
|
|
}
|
|
for _, dir := range l.exportedSystemDirs() {
|
|
prop.ExportedSystemDirs = append(prop.ExportedSystemDirs, filepath.Join("include", dir.String()))
|
|
}
|
|
// shared libs dependencies aren't meaningful on static or header libs
|
|
if l.shared() {
|
|
prop.SharedLibs = m.Properties.SnapshotSharedLibs
|
|
}
|
|
if l.static() && m.sanitize != nil {
|
|
prop.SanitizeMinimalDep = m.sanitize.Properties.MinimalRuntimeDep || enableMinimalRuntime(m.sanitize)
|
|
prop.SanitizeUbsanDep = m.sanitize.Properties.UbsanRuntimeDep || enableUbsanRuntime(m.sanitize)
|
|
}
|
|
|
|
var libType string
|
|
if l.static() {
|
|
libType = "static"
|
|
} else if l.shared() {
|
|
libType = "shared"
|
|
} else {
|
|
libType = "header"
|
|
}
|
|
|
|
var stem string
|
|
|
|
// install .a or .so
|
|
if libType != "header" {
|
|
libPath := m.outputFile.Path()
|
|
stem = libPath.Base()
|
|
snapshotLibOut := filepath.Join(snapshotArchDir, targetArch, libType, stem)
|
|
ret = append(ret, copyFile(ctx, libPath, snapshotLibOut))
|
|
} else {
|
|
stem = ctx.ModuleName(m)
|
|
}
|
|
|
|
propOut = filepath.Join(snapshotArchDir, targetArch, libType, stem+".json")
|
|
} else {
|
|
// binary flags
|
|
prop.Symlinks = m.Symlinks()
|
|
prop.SharedLibs = m.Properties.SnapshotSharedLibs
|
|
|
|
// install bin
|
|
binPath := m.outputFile.Path()
|
|
snapshotBinOut := filepath.Join(snapshotArchDir, targetArch, "binary", binPath.Base())
|
|
ret = append(ret, copyFile(ctx, binPath, snapshotBinOut))
|
|
propOut = snapshotBinOut + ".json"
|
|
}
|
|
|
|
j, err := json.Marshal(prop)
|
|
if err != nil {
|
|
ctx.Errorf("json marshal to %q failed: %#v", propOut, err)
|
|
return nil
|
|
}
|
|
ret = append(ret, writeStringToFile(ctx, string(j), propOut))
|
|
|
|
return ret
|
|
}
|
|
|
|
ctx.VisitAllModules(func(module android.Module) {
|
|
m, ok := module.(*Module)
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
moduleDir := ctx.ModuleDir(module)
|
|
if !isVendorSnapshotModule(m, moduleDir) {
|
|
return
|
|
}
|
|
|
|
snapshotOutputs = append(snapshotOutputs, installSnapshot(m)...)
|
|
if l, ok := m.linker.(snapshotLibraryInterface); ok {
|
|
headers = append(headers, l.snapshotHeaders()...)
|
|
}
|
|
|
|
if len(m.NoticeFiles()) > 0 {
|
|
noticeName := ctx.ModuleName(m) + ".txt"
|
|
noticeOut := filepath.Join(noticeDir, noticeName)
|
|
// skip already copied notice file
|
|
if !installedNotices[noticeOut] {
|
|
installedNotices[noticeOut] = true
|
|
snapshotOutputs = append(snapshotOutputs, combineNotices(
|
|
ctx, m.NoticeFiles(), noticeOut))
|
|
}
|
|
}
|
|
})
|
|
|
|
// install all headers after removing duplicates
|
|
for _, header := range android.FirstUniquePaths(headers) {
|
|
snapshotOutputs = append(snapshotOutputs, copyFile(
|
|
ctx, header, filepath.Join(includeDir, header.String())))
|
|
}
|
|
|
|
// All artifacts are ready. Sort them to normalize ninja and then zip.
|
|
sort.Slice(snapshotOutputs, func(i, j int) bool {
|
|
return snapshotOutputs[i].String() < snapshotOutputs[j].String()
|
|
})
|
|
|
|
zipPath := android.PathForOutput(ctx, snapshotDir, "vendor-"+ctx.Config().DeviceName()+".zip")
|
|
zipRule := android.NewRuleBuilder()
|
|
|
|
// filenames in rspfile from FlagWithRspFileInputList might be single-quoted. Remove it with tr
|
|
snapshotOutputList := android.PathForOutput(ctx, snapshotDir, "vendor-"+ctx.Config().DeviceName()+"_list")
|
|
zipRule.Command().
|
|
Text("tr").
|
|
FlagWithArg("-d ", "\\'").
|
|
FlagWithRspFileInputList("< ", snapshotOutputs).
|
|
FlagWithOutput("> ", snapshotOutputList)
|
|
|
|
zipRule.Temporary(snapshotOutputList)
|
|
|
|
zipRule.Command().
|
|
BuiltTool(ctx, "soong_zip").
|
|
FlagWithOutput("-o ", zipPath).
|
|
FlagWithArg("-C ", android.PathForOutput(ctx, snapshotDir).String()).
|
|
FlagWithInput("-l ", snapshotOutputList)
|
|
|
|
zipRule.Build(pctx, ctx, zipPath.String(), "vendor snapshot "+zipPath.String())
|
|
zipRule.DeleteTemporaryFiles()
|
|
c.vendorSnapshotZipFile = android.OptionalPathForPath(zipPath)
|
|
}
|
|
|
|
func (c *vendorSnapshotSingleton) MakeVars(ctx android.MakeVarsContext) {
|
|
ctx.Strict("SOONG_VENDOR_SNAPSHOT_ZIP", c.vendorSnapshotZipFile.String())
|
|
}
|
|
|
|
type snapshotInterface interface {
|
|
matchesWithDevice(config android.DeviceConfig) bool
|
|
}
|
|
|
|
var _ snapshotInterface = (*vndkPrebuiltLibraryDecorator)(nil)
|
|
var _ snapshotInterface = (*vendorSnapshotLibraryDecorator)(nil)
|
|
var _ snapshotInterface = (*vendorSnapshotBinaryDecorator)(nil)
|
|
|
|
// gathers all snapshot modules for vendor, and disable unnecessary snapshots
|
|
// TODO(b/145966707): remove mutator and utilize android.Prebuilt to override source modules
|
|
func VendorSnapshotMutator(ctx android.BottomUpMutatorContext) {
|
|
vndkVersion := ctx.DeviceConfig().VndkVersion()
|
|
// don't need snapshot if current
|
|
if vndkVersion == "current" || vndkVersion == "" {
|
|
return
|
|
}
|
|
|
|
module, ok := ctx.Module().(*Module)
|
|
if !ok || !module.Enabled() || module.VndkVersion() != vndkVersion {
|
|
return
|
|
}
|
|
|
|
snapshot, ok := module.linker.(snapshotInterface)
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
if !snapshot.matchesWithDevice(ctx.DeviceConfig()) {
|
|
// Disable unnecessary snapshot module, but do not disable
|
|
// vndk_prebuilt_shared because they might be packed into vndk APEX
|
|
if !module.IsVndk() {
|
|
module.Disable()
|
|
}
|
|
return
|
|
}
|
|
|
|
var snapshotMap *snapshotMap
|
|
|
|
if lib, ok := module.linker.(libraryInterface); ok {
|
|
if lib.static() {
|
|
snapshotMap = vendorSnapshotStaticLibs(ctx.Config())
|
|
} else if lib.shared() {
|
|
snapshotMap = vendorSnapshotSharedLibs(ctx.Config())
|
|
} else {
|
|
// header
|
|
snapshotMap = vendorSnapshotHeaderLibs(ctx.Config())
|
|
}
|
|
} else if _, ok := module.linker.(*vendorSnapshotBinaryDecorator); ok {
|
|
snapshotMap = vendorSnapshotBinaries(ctx.Config())
|
|
} else {
|
|
return
|
|
}
|
|
|
|
vendorSnapshotsLock.Lock()
|
|
defer vendorSnapshotsLock.Unlock()
|
|
snapshotMap.add(module.BaseModuleName(), ctx.Arch().ArchType, ctx.ModuleName())
|
|
}
|
|
|
|
// Disables source modules which have snapshots
|
|
func VendorSnapshotSourceMutator(ctx android.BottomUpMutatorContext) {
|
|
if !ctx.Device() {
|
|
return
|
|
}
|
|
|
|
vndkVersion := ctx.DeviceConfig().VndkVersion()
|
|
// don't need snapshot if current
|
|
if vndkVersion == "current" || vndkVersion == "" {
|
|
return
|
|
}
|
|
|
|
module, ok := ctx.Module().(*Module)
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
// vendor suffix should be added to snapshots if the source module isn't vendor: true.
|
|
if !module.SocSpecific() {
|
|
// But we can't just check SocSpecific() since we already passed the image mutator.
|
|
// Check ramdisk and recovery to see if we are real "vendor: true" module.
|
|
ramdisk_available := module.InRamdisk() && !module.OnlyInRamdisk()
|
|
recovery_available := module.InRecovery() && !module.OnlyInRecovery()
|
|
|
|
if !ramdisk_available && !recovery_available {
|
|
vendorSnapshotsLock.Lock()
|
|
defer vendorSnapshotsLock.Unlock()
|
|
|
|
vendorSuffixModules(ctx.Config())[ctx.ModuleName()] = true
|
|
}
|
|
}
|
|
|
|
if module.isSnapshotPrebuilt() || module.VndkVersion() != ctx.DeviceConfig().VndkVersion() {
|
|
// only non-snapshot modules with BOARD_VNDK_VERSION
|
|
return
|
|
}
|
|
|
|
var snapshotMap *snapshotMap
|
|
|
|
if lib, ok := module.linker.(libraryInterface); ok {
|
|
if lib.static() {
|
|
snapshotMap = vendorSnapshotStaticLibs(ctx.Config())
|
|
} else if lib.shared() {
|
|
snapshotMap = vendorSnapshotSharedLibs(ctx.Config())
|
|
} else {
|
|
// header
|
|
snapshotMap = vendorSnapshotHeaderLibs(ctx.Config())
|
|
}
|
|
} else if _, ok := module.linker.(*binaryDecorator); ok {
|
|
snapshotMap = vendorSnapshotBinaries(ctx.Config())
|
|
} else if _, ok := module.linker.(*prebuiltBinaryLinker); ok {
|
|
snapshotMap = vendorSnapshotBinaries(ctx.Config())
|
|
} else {
|
|
return
|
|
}
|
|
|
|
if _, ok := snapshotMap.get(ctx.ModuleName(), ctx.Arch().ArchType); !ok {
|
|
// Corresponding snapshot doesn't exist
|
|
return
|
|
}
|
|
|
|
// Disables source modules if corresponding snapshot exists.
|
|
if lib, ok := module.linker.(libraryInterface); ok && lib.buildStatic() && lib.buildShared() {
|
|
// But do not disable because the shared variant depends on the static variant.
|
|
module.SkipInstall()
|
|
module.Properties.HideFromMake = true
|
|
} else {
|
|
module.Disable()
|
|
}
|
|
}
|