1062 lines
32 KiB
Go
1062 lines
32 KiB
Go
// Copyright 2020 The Android Open Source Project
|
|
//
|
|
// 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 (
|
|
"encoding/json"
|
|
"path/filepath"
|
|
"sort"
|
|
"strings"
|
|
"sync"
|
|
|
|
"github.com/google/blueprint/proptools"
|
|
|
|
"android/soong/android"
|
|
)
|
|
|
|
const (
|
|
vendorSnapshotHeaderSuffix = ".vendor_header."
|
|
vendorSnapshotSharedSuffix = ".vendor_shared."
|
|
vendorSnapshotStaticSuffix = ".vendor_static."
|
|
vendorSnapshotBinarySuffix = ".vendor_binary."
|
|
vendorSnapshotObjectSuffix = ".vendor_object."
|
|
)
|
|
|
|
var (
|
|
vendorSnapshotsLock sync.Mutex
|
|
vendorSuffixModulesKey = android.NewOnceKey("vendorSuffixModules")
|
|
vendorSnapshotHeaderLibsKey = android.NewOnceKey("vendorSnapshotHeaderLibs")
|
|
vendorSnapshotStaticLibsKey = android.NewOnceKey("vendorSnapshotStaticLibs")
|
|
vendorSnapshotSharedLibsKey = android.NewOnceKey("vendorSnapshotSharedLibs")
|
|
vendorSnapshotBinariesKey = android.NewOnceKey("vendorSnapshotBinaries")
|
|
vendorSnapshotObjectsKey = android.NewOnceKey("vendorSnapshotObjects")
|
|
)
|
|
|
|
// vendor snapshot maps hold names of vendor snapshot modules per arch
|
|
func vendorSuffixModules(config android.Config) map[string]bool {
|
|
return config.Once(vendorSuffixModulesKey, func() interface{} {
|
|
return make(map[string]bool)
|
|
}).(map[string]bool)
|
|
}
|
|
|
|
func vendorSnapshotHeaderLibs(config android.Config) *snapshotMap {
|
|
return config.Once(vendorSnapshotHeaderLibsKey, func() interface{} {
|
|
return newSnapshotMap()
|
|
}).(*snapshotMap)
|
|
}
|
|
|
|
func vendorSnapshotSharedLibs(config android.Config) *snapshotMap {
|
|
return config.Once(vendorSnapshotSharedLibsKey, func() interface{} {
|
|
return newSnapshotMap()
|
|
}).(*snapshotMap)
|
|
}
|
|
|
|
func vendorSnapshotStaticLibs(config android.Config) *snapshotMap {
|
|
return config.Once(vendorSnapshotStaticLibsKey, func() interface{} {
|
|
return newSnapshotMap()
|
|
}).(*snapshotMap)
|
|
}
|
|
|
|
func vendorSnapshotBinaries(config android.Config) *snapshotMap {
|
|
return config.Once(vendorSnapshotBinariesKey, func() interface{} {
|
|
return newSnapshotMap()
|
|
}).(*snapshotMap)
|
|
}
|
|
|
|
func vendorSnapshotObjects(config android.Config) *snapshotMap {
|
|
return config.Once(vendorSnapshotObjectsKey, func() interface{} {
|
|
return newSnapshotMap()
|
|
}).(*snapshotMap)
|
|
}
|
|
|
|
type vendorSnapshotBaseProperties struct {
|
|
// snapshot version.
|
|
Version string
|
|
|
|
// Target arch name of the snapshot (e.g. 'arm64' for variant 'aosp_arm64')
|
|
Target_arch string
|
|
}
|
|
|
|
// vendorSnapshotModuleBase provides common basic functions for all snapshot modules.
|
|
type vendorSnapshotModuleBase struct {
|
|
baseProperties vendorSnapshotBaseProperties
|
|
moduleSuffix string
|
|
}
|
|
|
|
func (p *vendorSnapshotModuleBase) Name(name string) string {
|
|
return name + p.NameSuffix()
|
|
}
|
|
|
|
func (p *vendorSnapshotModuleBase) NameSuffix() string {
|
|
versionSuffix := p.version()
|
|
if p.arch() != "" {
|
|
versionSuffix += "." + p.arch()
|
|
}
|
|
|
|
return p.moduleSuffix + versionSuffix
|
|
}
|
|
|
|
func (p *vendorSnapshotModuleBase) version() string {
|
|
return p.baseProperties.Version
|
|
}
|
|
|
|
func (p *vendorSnapshotModuleBase) arch() string {
|
|
return p.baseProperties.Target_arch
|
|
}
|
|
|
|
func (p *vendorSnapshotModuleBase) isSnapshotPrebuilt() bool {
|
|
return true
|
|
}
|
|
|
|
// Call this after creating a snapshot module with module suffix
|
|
// such as vendorSnapshotSharedSuffix
|
|
func (p *vendorSnapshotModuleBase) init(m *Module, suffix string) {
|
|
p.moduleSuffix = suffix
|
|
m.AddProperties(&p.baseProperties)
|
|
android.AddLoadHook(m, func(ctx android.LoadHookContext) {
|
|
vendorSnapshotLoadHook(ctx, p)
|
|
})
|
|
}
|
|
|
|
func vendorSnapshotLoadHook(ctx android.LoadHookContext, p *vendorSnapshotModuleBase) {
|
|
if p.version() != ctx.DeviceConfig().VndkVersion() {
|
|
ctx.Module().Disable()
|
|
return
|
|
}
|
|
}
|
|
|
|
type vendorSnapshotLibraryProperties struct {
|
|
// Prebuilt file for each arch.
|
|
Src *string `android:"arch_variant"`
|
|
|
|
// list of directories that will be added to the include path (using -I).
|
|
Export_include_dirs []string `android:"arch_variant"`
|
|
|
|
// list of directories that will be added to the system path (using -isystem).
|
|
Export_system_include_dirs []string `android:"arch_variant"`
|
|
|
|
// list of flags that will be used for any module that links against this module.
|
|
Export_flags []string `android:"arch_variant"`
|
|
|
|
// Whether this prebuilt needs to depend on sanitize ubsan runtime or not.
|
|
Sanitize_ubsan_dep *bool `android:"arch_variant"`
|
|
|
|
// Whether this prebuilt needs to depend on sanitize minimal runtime or not.
|
|
Sanitize_minimal_dep *bool `android:"arch_variant"`
|
|
}
|
|
|
|
type snapshotSanitizer interface {
|
|
isSanitizerEnabled(t sanitizerType) bool
|
|
setSanitizerVariation(t sanitizerType, enabled bool)
|
|
}
|
|
|
|
type vendorSnapshotLibraryDecorator struct {
|
|
vendorSnapshotModuleBase
|
|
*libraryDecorator
|
|
properties vendorSnapshotLibraryProperties
|
|
sanitizerProperties struct {
|
|
CfiEnabled bool `blueprint:"mutated"`
|
|
|
|
// Library flags for cfi variant.
|
|
Cfi vendorSnapshotLibraryProperties `android:"arch_variant"`
|
|
}
|
|
androidMkVendorSuffix bool
|
|
}
|
|
|
|
func (p *vendorSnapshotLibraryDecorator) linkerFlags(ctx ModuleContext, flags Flags) Flags {
|
|
p.libraryDecorator.libName = strings.TrimSuffix(ctx.ModuleName(), p.NameSuffix())
|
|
return p.libraryDecorator.linkerFlags(ctx, flags)
|
|
}
|
|
|
|
func (p *vendorSnapshotLibraryDecorator) matchesWithDevice(config android.DeviceConfig) bool {
|
|
arches := config.Arches()
|
|
if len(arches) == 0 || arches[0].ArchType.String() != p.arch() {
|
|
return false
|
|
}
|
|
if !p.header() && p.properties.Src == nil {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func (p *vendorSnapshotLibraryDecorator) link(ctx ModuleContext,
|
|
flags Flags, deps PathDeps, objs Objects) android.Path {
|
|
m := ctx.Module().(*Module)
|
|
p.androidMkVendorSuffix = vendorSuffixModules(ctx.Config())[m.BaseModuleName()]
|
|
|
|
if p.header() {
|
|
return p.libraryDecorator.link(ctx, flags, deps, objs)
|
|
}
|
|
|
|
if p.sanitizerProperties.CfiEnabled {
|
|
p.properties = p.sanitizerProperties.Cfi
|
|
}
|
|
|
|
if !p.matchesWithDevice(ctx.DeviceConfig()) {
|
|
return nil
|
|
}
|
|
|
|
p.libraryDecorator.reexportDirs(android.PathsForModuleSrc(ctx, p.properties.Export_include_dirs)...)
|
|
p.libraryDecorator.reexportSystemDirs(android.PathsForModuleSrc(ctx, p.properties.Export_system_include_dirs)...)
|
|
p.libraryDecorator.reexportFlags(p.properties.Export_flags...)
|
|
|
|
in := android.PathForModuleSrc(ctx, *p.properties.Src)
|
|
p.unstrippedOutputFile = in
|
|
|
|
if p.shared() {
|
|
libName := in.Base()
|
|
builderFlags := flagsToBuilderFlags(flags)
|
|
|
|
// Optimize out relinking against shared libraries whose interface hasn't changed by
|
|
// depending on a table of contents file instead of the library itself.
|
|
tocFile := android.PathForModuleOut(ctx, libName+".toc")
|
|
p.tocFile = android.OptionalPathForPath(tocFile)
|
|
TransformSharedObjectToToc(ctx, in, tocFile, builderFlags)
|
|
|
|
ctx.SetProvider(SharedLibraryInfoProvider, SharedLibraryInfo{
|
|
SharedLibrary: in,
|
|
UnstrippedSharedLibrary: p.unstrippedOutputFile,
|
|
|
|
TableOfContents: p.tocFile,
|
|
})
|
|
}
|
|
|
|
if p.static() {
|
|
depSet := android.NewDepSetBuilder(android.TOPOLOGICAL).Direct(in).Build()
|
|
ctx.SetProvider(StaticLibraryInfoProvider, StaticLibraryInfo{
|
|
StaticLibrary: in,
|
|
|
|
TransitiveStaticLibrariesForOrdering: depSet,
|
|
})
|
|
}
|
|
|
|
p.libraryDecorator.flagExporter.setProvider(ctx)
|
|
|
|
return in
|
|
}
|
|
|
|
func (p *vendorSnapshotLibraryDecorator) install(ctx ModuleContext, file android.Path) {
|
|
if p.matchesWithDevice(ctx.DeviceConfig()) && (p.shared() || p.static()) {
|
|
p.baseInstaller.install(ctx, file)
|
|
}
|
|
}
|
|
|
|
func (p *vendorSnapshotLibraryDecorator) nativeCoverage() bool {
|
|
return false
|
|
}
|
|
|
|
func (p *vendorSnapshotLibraryDecorator) isSanitizerEnabled(t sanitizerType) bool {
|
|
switch t {
|
|
case cfi:
|
|
return p.sanitizerProperties.Cfi.Src != nil
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
func (p *vendorSnapshotLibraryDecorator) setSanitizerVariation(t sanitizerType, enabled bool) {
|
|
if !enabled {
|
|
return
|
|
}
|
|
switch t {
|
|
case cfi:
|
|
p.sanitizerProperties.CfiEnabled = true
|
|
default:
|
|
return
|
|
}
|
|
}
|
|
|
|
func vendorSnapshotLibrary(suffix string) (*Module, *vendorSnapshotLibraryDecorator) {
|
|
module, library := NewLibrary(android.DeviceSupported)
|
|
|
|
module.stl = nil
|
|
module.sanitize = nil
|
|
library.disableStripping()
|
|
|
|
prebuilt := &vendorSnapshotLibraryDecorator{
|
|
libraryDecorator: library,
|
|
}
|
|
|
|
prebuilt.baseLinker.Properties.No_libcrt = BoolPtr(true)
|
|
prebuilt.baseLinker.Properties.Nocrt = BoolPtr(true)
|
|
|
|
// Prevent default system libs (libc, libm, and libdl) from being linked
|
|
if prebuilt.baseLinker.Properties.System_shared_libs == nil {
|
|
prebuilt.baseLinker.Properties.System_shared_libs = []string{}
|
|
}
|
|
|
|
module.compiler = nil
|
|
module.linker = prebuilt
|
|
module.installer = prebuilt
|
|
|
|
prebuilt.init(module, suffix)
|
|
module.AddProperties(
|
|
&prebuilt.properties,
|
|
&prebuilt.sanitizerProperties,
|
|
)
|
|
|
|
return module, prebuilt
|
|
}
|
|
|
|
func VendorSnapshotSharedFactory() android.Module {
|
|
module, prebuilt := vendorSnapshotLibrary(vendorSnapshotSharedSuffix)
|
|
prebuilt.libraryDecorator.BuildOnlyShared()
|
|
return module.Init()
|
|
}
|
|
|
|
func VendorSnapshotStaticFactory() android.Module {
|
|
module, prebuilt := vendorSnapshotLibrary(vendorSnapshotStaticSuffix)
|
|
prebuilt.libraryDecorator.BuildOnlyStatic()
|
|
return module.Init()
|
|
}
|
|
|
|
func VendorSnapshotHeaderFactory() android.Module {
|
|
module, prebuilt := vendorSnapshotLibrary(vendorSnapshotHeaderSuffix)
|
|
prebuilt.libraryDecorator.HeaderOnly()
|
|
return module.Init()
|
|
}
|
|
|
|
var _ snapshotSanitizer = (*vendorSnapshotLibraryDecorator)(nil)
|
|
|
|
type vendorSnapshotBinaryProperties struct {
|
|
// Prebuilt file for each arch.
|
|
Src *string `android:"arch_variant"`
|
|
}
|
|
|
|
type vendorSnapshotBinaryDecorator struct {
|
|
vendorSnapshotModuleBase
|
|
*binaryDecorator
|
|
properties vendorSnapshotBinaryProperties
|
|
androidMkVendorSuffix bool
|
|
}
|
|
|
|
func (p *vendorSnapshotBinaryDecorator) matchesWithDevice(config android.DeviceConfig) bool {
|
|
if config.DeviceArch() != p.arch() {
|
|
return false
|
|
}
|
|
if p.properties.Src == nil {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func (p *vendorSnapshotBinaryDecorator) link(ctx ModuleContext,
|
|
flags Flags, deps PathDeps, objs Objects) android.Path {
|
|
if !p.matchesWithDevice(ctx.DeviceConfig()) {
|
|
return nil
|
|
}
|
|
|
|
in := android.PathForModuleSrc(ctx, *p.properties.Src)
|
|
stripFlags := flagsToStripFlags(flags)
|
|
p.unstrippedOutputFile = in
|
|
binName := in.Base()
|
|
if p.stripper.NeedsStrip(ctx) {
|
|
stripped := android.PathForModuleOut(ctx, "stripped", binName)
|
|
p.stripper.StripExecutableOrSharedLib(ctx, in, stripped, stripFlags)
|
|
in = stripped
|
|
}
|
|
|
|
m := ctx.Module().(*Module)
|
|
p.androidMkVendorSuffix = vendorSuffixModules(ctx.Config())[m.BaseModuleName()]
|
|
|
|
// use cpExecutable to make it executable
|
|
outputFile := android.PathForModuleOut(ctx, binName)
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: android.CpExecutable,
|
|
Description: "prebuilt",
|
|
Output: outputFile,
|
|
Input: in,
|
|
})
|
|
|
|
return outputFile
|
|
}
|
|
|
|
func (p *vendorSnapshotBinaryDecorator) nativeCoverage() bool {
|
|
return false
|
|
}
|
|
|
|
func VendorSnapshotBinaryFactory() android.Module {
|
|
module, binary := NewBinary(android.DeviceSupported)
|
|
binary.baseLinker.Properties.No_libcrt = BoolPtr(true)
|
|
binary.baseLinker.Properties.Nocrt = BoolPtr(true)
|
|
|
|
// Prevent default system libs (libc, libm, and libdl) from being linked
|
|
if binary.baseLinker.Properties.System_shared_libs == nil {
|
|
binary.baseLinker.Properties.System_shared_libs = []string{}
|
|
}
|
|
|
|
prebuilt := &vendorSnapshotBinaryDecorator{
|
|
binaryDecorator: binary,
|
|
}
|
|
|
|
module.compiler = nil
|
|
module.sanitize = nil
|
|
module.stl = nil
|
|
module.linker = prebuilt
|
|
|
|
prebuilt.init(module, vendorSnapshotBinarySuffix)
|
|
module.AddProperties(&prebuilt.properties)
|
|
return module.Init()
|
|
}
|
|
|
|
type vendorSnapshotObjectProperties struct {
|
|
// Prebuilt file for each arch.
|
|
Src *string `android:"arch_variant"`
|
|
}
|
|
|
|
type vendorSnapshotObjectLinker struct {
|
|
vendorSnapshotModuleBase
|
|
objectLinker
|
|
properties vendorSnapshotObjectProperties
|
|
androidMkVendorSuffix bool
|
|
}
|
|
|
|
func (p *vendorSnapshotObjectLinker) matchesWithDevice(config android.DeviceConfig) bool {
|
|
if config.DeviceArch() != p.arch() {
|
|
return false
|
|
}
|
|
if p.properties.Src == nil {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func (p *vendorSnapshotObjectLinker) link(ctx ModuleContext,
|
|
flags Flags, deps PathDeps, objs Objects) android.Path {
|
|
if !p.matchesWithDevice(ctx.DeviceConfig()) {
|
|
return nil
|
|
}
|
|
|
|
m := ctx.Module().(*Module)
|
|
p.androidMkVendorSuffix = vendorSuffixModules(ctx.Config())[m.BaseModuleName()]
|
|
|
|
return android.PathForModuleSrc(ctx, *p.properties.Src)
|
|
}
|
|
|
|
func (p *vendorSnapshotObjectLinker) nativeCoverage() bool {
|
|
return false
|
|
}
|
|
|
|
func VendorSnapshotObjectFactory() android.Module {
|
|
module := newObject()
|
|
|
|
prebuilt := &vendorSnapshotObjectLinker{
|
|
objectLinker: objectLinker{
|
|
baseLinker: NewBaseLinker(nil),
|
|
},
|
|
}
|
|
module.linker = prebuilt
|
|
|
|
prebuilt.init(module, vendorSnapshotObjectSuffix)
|
|
module.AddProperties(&prebuilt.properties)
|
|
return module.Init()
|
|
}
|
|
|
|
func init() {
|
|
android.RegisterSingletonType("vendor-snapshot", VendorSnapshotSingleton)
|
|
android.RegisterModuleType("vendor_snapshot_shared", VendorSnapshotSharedFactory)
|
|
android.RegisterModuleType("vendor_snapshot_static", VendorSnapshotStaticFactory)
|
|
android.RegisterModuleType("vendor_snapshot_header", VendorSnapshotHeaderFactory)
|
|
android.RegisterModuleType("vendor_snapshot_binary", VendorSnapshotBinaryFactory)
|
|
android.RegisterModuleType("vendor_snapshot_object", VendorSnapshotObjectFactory)
|
|
}
|
|
|
|
func VendorSnapshotSingleton() android.Singleton {
|
|
return &vendorSnapshotSingleton{}
|
|
}
|
|
|
|
type vendorSnapshotSingleton struct {
|
|
vendorSnapshotZipFile android.OptionalPath
|
|
}
|
|
|
|
var (
|
|
// Modules under following directories are ignored. They are OEM's and vendor's
|
|
// proprietary modules(device/, kernel/, vendor/, and hardware/).
|
|
// TODO(b/65377115): Clean up these with more maintainable way
|
|
vendorProprietaryDirs = []string{
|
|
"device",
|
|
"kernel",
|
|
"vendor",
|
|
"hardware",
|
|
}
|
|
|
|
// Modules under following directories are included as they are in AOSP,
|
|
// although hardware/ and kernel/ are normally for vendor's own.
|
|
// TODO(b/65377115): Clean up these with more maintainable way
|
|
aospDirsUnderProprietary = []string{
|
|
"kernel/configs",
|
|
"kernel/prebuilts",
|
|
"kernel/tests",
|
|
"hardware/interfaces",
|
|
"hardware/libhardware",
|
|
"hardware/libhardware_legacy",
|
|
"hardware/ril",
|
|
}
|
|
)
|
|
|
|
// Determine if a dir under source tree is an SoC-owned proprietary directory, such as
|
|
// device/, vendor/, etc.
|
|
func isVendorProprietaryPath(dir string) bool {
|
|
for _, p := range vendorProprietaryDirs {
|
|
if strings.HasPrefix(dir, p) {
|
|
// filter out AOSP defined directories, e.g. hardware/interfaces/
|
|
aosp := false
|
|
for _, p := range aospDirsUnderProprietary {
|
|
if strings.HasPrefix(dir, p) {
|
|
aosp = true
|
|
break
|
|
}
|
|
}
|
|
if !aosp {
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func isVendorProprietaryModule(ctx android.BaseModuleContext) bool {
|
|
|
|
// Any module in a vendor proprietary path is a vendor proprietary
|
|
// module.
|
|
|
|
if isVendorProprietaryPath(ctx.ModuleDir()) {
|
|
return true
|
|
}
|
|
|
|
// However if the module is not in a vendor proprietary path, it may
|
|
// still be a vendor proprietary module. This happens for cc modules
|
|
// that are excluded from the vendor snapshot, and it means that the
|
|
// vendor has assumed control of the framework-provided module.
|
|
|
|
if c, ok := ctx.Module().(*Module); ok {
|
|
if c.ExcludeFromVendorSnapshot() {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
// Determine if a module is going to be included in vendor snapshot or not.
|
|
//
|
|
// Targets of vendor snapshot are "vendor: true" or "vendor_available: true" modules in
|
|
// AOSP. They are not guaranteed to be compatible with older vendor images. (e.g. might
|
|
// depend on newer VNDK) So they are captured as vendor snapshot To build older vendor
|
|
// image and newer system image altogether.
|
|
func isVendorSnapshotModule(m *Module, inVendorProprietaryPath bool, apexInfo android.ApexInfo) bool {
|
|
if !m.Enabled() || m.Properties.HideFromMake {
|
|
return false
|
|
}
|
|
// When android/prebuilt.go selects between source and prebuilt, it sets
|
|
// SkipInstall on the other one to avoid duplicate install rules in make.
|
|
if m.IsSkipInstall() {
|
|
return false
|
|
}
|
|
// skip proprietary modules, but include all VNDK (static)
|
|
if inVendorProprietaryPath && !m.IsVndk() {
|
|
return false
|
|
}
|
|
// If the module would be included based on its path, check to see if
|
|
// the module is marked to be excluded. If so, skip it.
|
|
if m.ExcludeFromVendorSnapshot() {
|
|
return false
|
|
}
|
|
if m.Target().Os.Class != android.Device {
|
|
return false
|
|
}
|
|
if m.Target().NativeBridge == android.NativeBridgeEnabled {
|
|
return false
|
|
}
|
|
// the module must be installed in /vendor
|
|
if !apexInfo.IsForPlatform() || m.isSnapshotPrebuilt() || !m.inVendor() {
|
|
return false
|
|
}
|
|
// skip kernel_headers which always depend on vendor
|
|
if _, ok := m.linker.(*kernelHeadersDecorator); ok {
|
|
return false
|
|
}
|
|
// skip llndk_library and llndk_headers which are backward compatible
|
|
if _, ok := m.linker.(*llndkStubDecorator); ok {
|
|
return false
|
|
}
|
|
if _, ok := m.linker.(*llndkHeadersDecorator); ok {
|
|
return false
|
|
}
|
|
|
|
// Libraries
|
|
if l, ok := m.linker.(snapshotLibraryInterface); ok {
|
|
// TODO(b/65377115): add full support for sanitizer
|
|
if m.sanitize != nil {
|
|
// scs and hwasan export both sanitized and unsanitized variants for static and header
|
|
// Always use unsanitized variants of them.
|
|
for _, t := range []sanitizerType{scs, hwasan} {
|
|
if !l.shared() && m.sanitize.isSanitizerEnabled(t) {
|
|
return false
|
|
}
|
|
}
|
|
// cfi also exports both variants. But for static, we capture both.
|
|
if !l.static() && !l.shared() && m.sanitize.isSanitizerEnabled(cfi) {
|
|
return false
|
|
}
|
|
}
|
|
if l.static() {
|
|
return m.outputFile.Valid() && proptools.BoolDefault(m.VendorProperties.Vendor_available, true)
|
|
}
|
|
if l.shared() {
|
|
if !m.outputFile.Valid() {
|
|
return false
|
|
}
|
|
if !m.IsVndk() {
|
|
return true
|
|
}
|
|
return m.isVndkExt()
|
|
}
|
|
return true
|
|
}
|
|
|
|
// Binaries and Objects
|
|
if m.binary() || m.object() {
|
|
return m.outputFile.Valid() && proptools.BoolDefault(m.VendorProperties.Vendor_available, true)
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func (c *vendorSnapshotSingleton) GenerateBuildActions(ctx android.SingletonContext) {
|
|
// BOARD_VNDK_VERSION must be set to 'current' in order to generate a vendor snapshot.
|
|
if ctx.DeviceConfig().VndkVersion() != "current" {
|
|
return
|
|
}
|
|
|
|
var snapshotOutputs android.Paths
|
|
|
|
/*
|
|
Vendor snapshot zipped artifacts directory structure:
|
|
{SNAPSHOT_ARCH}/
|
|
arch-{TARGET_ARCH}-{TARGET_ARCH_VARIANT}/
|
|
shared/
|
|
(.so shared libraries)
|
|
static/
|
|
(.a static libraries)
|
|
header/
|
|
(header only libraries)
|
|
binary/
|
|
(executable binaries)
|
|
object/
|
|
(.o object files)
|
|
arch-{TARGET_2ND_ARCH}-{TARGET_2ND_ARCH_VARIANT}/
|
|
shared/
|
|
(.so shared libraries)
|
|
static/
|
|
(.a static libraries)
|
|
header/
|
|
(header only libraries)
|
|
binary/
|
|
(executable binaries)
|
|
object/
|
|
(.o object files)
|
|
NOTICE_FILES/
|
|
(notice files, e.g. libbase.txt)
|
|
configs/
|
|
(config files, e.g. init.rc files, vintf_fragments.xml files, etc.)
|
|
include/
|
|
(header files of same directory structure with source tree)
|
|
*/
|
|
|
|
snapshotDir := "vendor-snapshot"
|
|
snapshotArchDir := filepath.Join(snapshotDir, ctx.DeviceConfig().DeviceArch())
|
|
|
|
includeDir := filepath.Join(snapshotArchDir, "include")
|
|
configsDir := filepath.Join(snapshotArchDir, "configs")
|
|
noticeDir := filepath.Join(snapshotArchDir, "NOTICE_FILES")
|
|
|
|
installedNotices := make(map[string]bool)
|
|
installedConfigs := make(map[string]bool)
|
|
|
|
var headers android.Paths
|
|
|
|
installSnapshot := func(m *Module) android.Paths {
|
|
targetArch := "arch-" + m.Target().Arch.ArchType.String()
|
|
if m.Target().Arch.ArchVariant != "" {
|
|
targetArch += "-" + m.Target().Arch.ArchVariant
|
|
}
|
|
|
|
var ret android.Paths
|
|
|
|
prop := struct {
|
|
ModuleName string `json:",omitempty"`
|
|
RelativeInstallPath string `json:",omitempty"`
|
|
|
|
// library flags
|
|
ExportedDirs []string `json:",omitempty"`
|
|
ExportedSystemDirs []string `json:",omitempty"`
|
|
ExportedFlags []string `json:",omitempty"`
|
|
Sanitize 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)
|
|
if m.isVndkExt() {
|
|
// vndk exts are installed to /vendor/lib(64)?/vndk(-sp)?
|
|
if m.isVndkSp() {
|
|
prop.RelativeInstallPath = "vndk-sp"
|
|
} else {
|
|
prop.RelativeInstallPath = "vndk"
|
|
}
|
|
} else {
|
|
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 {
|
|
exporterInfo := ctx.ModuleProvider(m, FlagExporterInfoProvider).(FlagExporterInfo)
|
|
|
|
// library flags
|
|
prop.ExportedFlags = exporterInfo.Flags
|
|
for _, dir := range exporterInfo.IncludeDirs {
|
|
prop.ExportedDirs = append(prop.ExportedDirs, filepath.Join("include", dir.String()))
|
|
}
|
|
for _, dir := range exporterInfo.SystemIncludeDirs {
|
|
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()
|
|
if l.static() && m.sanitize != nil && m.sanitize.isSanitizerEnabled(cfi) {
|
|
// both cfi and non-cfi variant for static libraries can exist.
|
|
// attach .cfi to distinguish between cfi and non-cfi.
|
|
// e.g. libbase.a -> libbase.cfi.a
|
|
ext := filepath.Ext(stem)
|
|
stem = strings.TrimSuffix(stem, ext) + ".cfi" + ext
|
|
prop.Sanitize = "cfi"
|
|
prop.ModuleName += ".cfi"
|
|
}
|
|
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 if m.binary() {
|
|
// 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"
|
|
} else if m.object() {
|
|
// object files aren't installed to the device, so their names can conflict.
|
|
// Use module name as stem.
|
|
objPath := m.outputFile.Path()
|
|
snapshotObjOut := filepath.Join(snapshotArchDir, targetArch, "object",
|
|
ctx.ModuleName(m)+filepath.Ext(objPath.Base()))
|
|
ret = append(ret, copyFile(ctx, objPath, snapshotObjOut))
|
|
propOut = snapshotObjOut + ".json"
|
|
} else {
|
|
ctx.Errorf("unknown module %q in vendor snapshot", m.String())
|
|
return nil
|
|
}
|
|
|
|
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)
|
|
inVendorProprietaryPath := isVendorProprietaryPath(moduleDir)
|
|
apexInfo := ctx.ModuleProvider(module, android.ApexInfoProvider).(android.ApexInfo)
|
|
|
|
if m.ExcludeFromVendorSnapshot() {
|
|
if inVendorProprietaryPath {
|
|
// Error: exclude_from_vendor_snapshot applies
|
|
// to framework-path modules only.
|
|
ctx.Errorf("module %q in vendor proprietary path %q may not use \"exclude_from_vendor_snapshot: true\"", m.String(), moduleDir)
|
|
return
|
|
}
|
|
if Bool(m.VendorProperties.Vendor_available) {
|
|
// Error: may not combine "vendor_available:
|
|
// true" with "exclude_from_vendor_snapshot:
|
|
// true".
|
|
ctx.Errorf("module %q may not use both \"vendor_available: true\" and \"exclude_from_vendor_snapshot: true\"", m.String())
|
|
return
|
|
}
|
|
}
|
|
|
|
if !isVendorSnapshotModule(m, inVendorProprietaryPath, apexInfo) {
|
|
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)
|
|
var _ snapshotInterface = (*vendorSnapshotObjectLinker)(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
|
|
}
|
|
|
|
if !module.isSnapshotPrebuilt() {
|
|
return
|
|
}
|
|
|
|
// isSnapshotPrebuilt ensures snapshotInterface
|
|
if !module.linker.(snapshotInterface).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 if _, ok := module.linker.(*vendorSnapshotObjectLinker); ok {
|
|
snapshotMap = vendorSnapshotObjects(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()
|
|
vendor_ramdisk_available := module.InVendorRamdisk() && !module.OnlyInVendorRamdisk()
|
|
recovery_available := module.InRecovery() && !module.OnlyInRecovery()
|
|
|
|
if !ramdisk_available && !recovery_available && !vendor_ramdisk_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
|
|
}
|
|
|
|
// .. and also filter out llndk library
|
|
if module.isLlndk(ctx.Config()) {
|
|
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 module.binary() {
|
|
snapshotMap = vendorSnapshotBinaries(ctx.Config())
|
|
} else if module.object() {
|
|
snapshotMap = vendorSnapshotObjects(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()
|
|
}
|
|
}
|