blob: ab730355c0f87fe8d49a69871dc3ae827a060806 [file] [log] [blame]
// 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 (
"encoding/json"
"errors"
"fmt"
"path/filepath"
"sort"
"strings"
"sync"
"android/soong/android"
"android/soong/cc/config"
)
const (
llndkLibrariesTxt = "llndk.libraries.txt"
vndkCoreLibrariesTxt = "vndkcore.libraries.txt"
vndkSpLibrariesTxt = "vndksp.libraries.txt"
vndkPrivateLibrariesTxt = "vndkprivate.libraries.txt"
vndkUsingCoreVariantLibrariesTxt = "vndkcorevariant.libraries.txt"
)
func VndkLibrariesTxtModules(vndkVersion string) []string {
if vndkVersion == "current" {
return []string{
llndkLibrariesTxt,
vndkCoreLibrariesTxt,
vndkSpLibrariesTxt,
vndkPrivateLibrariesTxt,
}
}
// Snapshot vndks have their own *.libraries.VER.txt files.
// Note that snapshots don't have "vndkcorevariant.libraries.VER.txt"
return []string{
insertVndkVersion(llndkLibrariesTxt, vndkVersion),
insertVndkVersion(vndkCoreLibrariesTxt, vndkVersion),
insertVndkVersion(vndkSpLibrariesTxt, vndkVersion),
insertVndkVersion(vndkPrivateLibrariesTxt, vndkVersion),
}
}
type VndkProperties struct {
Vndk struct {
// declared as a VNDK or VNDK-SP module. The vendor variant
// will be installed in /system instead of /vendor partition.
//
// `vendor_available` must be explicitly set to either true or
// false together with `vndk: {enabled: true}`.
Enabled *bool
// declared as a VNDK-SP module, which is a subset of VNDK.
//
// `vndk: { enabled: true }` must set together.
//
// All these modules are allowed to link to VNDK-SP or LL-NDK
// modules only. Other dependency will cause link-type errors.
//
// If `support_system_process` is not set or set to false,
// the module is VNDK-core and can link to other VNDK-core,
// VNDK-SP or LL-NDK modules only.
Support_system_process *bool
// Extending another module
Extends *string
}
}
type vndkdep struct {
Properties VndkProperties
}
func (vndk *vndkdep) props() []interface{} {
return []interface{}{&vndk.Properties}
}
func (vndk *vndkdep) begin(ctx BaseModuleContext) {}
func (vndk *vndkdep) deps(ctx BaseModuleContext, deps Deps) Deps {
return deps
}
func (vndk *vndkdep) isVndk() bool {
return Bool(vndk.Properties.Vndk.Enabled)
}
func (vndk *vndkdep) isVndkSp() bool {
return Bool(vndk.Properties.Vndk.Support_system_process)
}
func (vndk *vndkdep) isVndkExt() bool {
return vndk.Properties.Vndk.Extends != nil
}
func (vndk *vndkdep) getVndkExtendsModuleName() string {
return String(vndk.Properties.Vndk.Extends)
}
func (vndk *vndkdep) typeName() string {
if !vndk.isVndk() {
return "native:vendor"
}
if !vndk.isVndkExt() {
if !vndk.isVndkSp() {
return "native:vendor:vndk"
}
return "native:vendor:vndksp"
}
if !vndk.isVndkSp() {
return "native:vendor:vndkext"
}
return "native:vendor:vndkspext"
}
func (vndk *vndkdep) vndkCheckLinkType(ctx android.ModuleContext, to *Module, tag DependencyTag) {
if to.linker == nil {
return
}
if !vndk.isVndk() {
// Non-VNDK modules (those installed to /vendor, /product, or /system/product) can't depend
// on modules marked with vendor_available: false.
violation := false
if lib, ok := to.linker.(*llndkStubDecorator); ok && !Bool(lib.Properties.Vendor_available) {
violation = true
} else {
if _, ok := to.linker.(libraryInterface); ok && to.VendorProperties.Vendor_available != nil && !Bool(to.VendorProperties.Vendor_available) {
// Vendor_available == nil && !Bool(Vendor_available) should be okay since
// it means a vendor-only, or product-only library which is a valid dependency
// for non-VNDK modules.
violation = true
}
}
if violation {
ctx.ModuleErrorf("Vendor module that is not VNDK should not link to %q which is marked as `vendor_available: false`", to.Name())
}
}
if lib, ok := to.linker.(*libraryDecorator); !ok || !lib.shared() {
// Check only shared libraries.
// Other (static and LL-NDK) libraries are allowed to link.
return
}
if !to.UseVndk() {
ctx.ModuleErrorf("(%s) should not link to %q which is not a vendor-available library",
vndk.typeName(), to.Name())
return
}
if tag == vndkExtDepTag {
// Ensure `extends: "name"` property refers a vndk module that has vendor_available
// and has identical vndk properties.
if to.vndkdep == nil || !to.vndkdep.isVndk() {
ctx.ModuleErrorf("`extends` refers a non-vndk module %q", to.Name())
return
}
if vndk.isVndkSp() != to.vndkdep.isVndkSp() {
ctx.ModuleErrorf(
"`extends` refers a module %q with mismatched support_system_process",
to.Name())
return
}
if !Bool(to.VendorProperties.Vendor_available) {
ctx.ModuleErrorf(
"`extends` refers module %q which does not have `vendor_available: true`",
to.Name())
return
}
}
if to.vndkdep == nil {
return
}
// Check the dependencies of VNDK shared libraries.
if err := vndkIsVndkDepAllowed(vndk, to.vndkdep); err != nil {
ctx.ModuleErrorf("(%s) should not link to %q (%s): %v",
vndk.typeName(), to.Name(), to.vndkdep.typeName(), err)
return
}
}
func vndkIsVndkDepAllowed(from *vndkdep, to *vndkdep) error {
// Check the dependencies of VNDK, VNDK-Ext, VNDK-SP, VNDK-SP-Ext and vendor modules.
if from.isVndkExt() {
if from.isVndkSp() {
if to.isVndk() && !to.isVndkSp() {
return errors.New("VNDK-SP extensions must not depend on VNDK or VNDK extensions")
}
return nil
}
// VNDK-Ext may depend on VNDK, VNDK-Ext, VNDK-SP, VNDK-SP-Ext, or vendor libs.
return nil
}
if from.isVndk() {
if to.isVndkExt() {
return errors.New("VNDK-core and VNDK-SP must not depend on VNDK extensions")
}
if from.isVndkSp() {
if !to.isVndkSp() {
return errors.New("VNDK-SP must only depend on VNDK-SP")
}
return nil
}
if !to.isVndk() {
return errors.New("VNDK-core must only depend on VNDK-core or VNDK-SP")
}
return nil
}
// Vendor modules may depend on VNDK, VNDK-Ext, VNDK-SP, VNDK-SP-Ext, or vendor libs.
return nil
}
var (
vndkCoreLibrariesKey = android.NewOnceKey("vndkCoreLibrarires")
vndkSpLibrariesKey = android.NewOnceKey("vndkSpLibrarires")
llndkLibrariesKey = android.NewOnceKey("llndkLibrarires")
vndkPrivateLibrariesKey = android.NewOnceKey("vndkPrivateLibrarires")
vndkUsingCoreVariantLibrariesKey = android.NewOnceKey("vndkUsingCoreVariantLibraries")
vndkMustUseVendorVariantListKey = android.NewOnceKey("vndkMustUseVendorVariantListKey")
vndkLibrariesLock sync.Mutex
headerExts = []string{".h", ".hh", ".hpp", ".hxx", ".h++", ".inl", ".inc", ".ipp", ".h.generic"}
)
func vndkCoreLibraries(config android.Config) map[string]string {
return config.Once(vndkCoreLibrariesKey, func() interface{} {
return make(map[string]string)
}).(map[string]string)
}
func vndkSpLibraries(config android.Config) map[string]string {
return config.Once(vndkSpLibrariesKey, func() interface{} {
return make(map[string]string)
}).(map[string]string)
}
func isLlndkLibrary(baseModuleName string, config android.Config) bool {
_, ok := llndkLibraries(config)[baseModuleName]
return ok
}
func llndkLibraries(config android.Config) map[string]string {
return config.Once(llndkLibrariesKey, func() interface{} {
return make(map[string]string)
}).(map[string]string)
}
func isVndkPrivateLibrary(baseModuleName string, config android.Config) bool {
_, ok := vndkPrivateLibraries(config)[baseModuleName]
return ok
}
func vndkPrivateLibraries(config android.Config) map[string]string {
return config.Once(vndkPrivateLibrariesKey, func() interface{} {
return make(map[string]string)
}).(map[string]string)
}
func vndkUsingCoreVariantLibraries(config android.Config) map[string]string {
return config.Once(vndkUsingCoreVariantLibrariesKey, func() interface{} {
return make(map[string]string)
}).(map[string]string)
}
func vndkMustUseVendorVariantList(cfg android.Config) []string {
return cfg.Once(vndkMustUseVendorVariantListKey, func() interface{} {
return config.VndkMustUseVendorVariantList
}).([]string)
}
// test may call this to override global configuration(config.VndkMustUseVendorVariantList)
// when it is called, it must be before the first call to vndkMustUseVendorVariantList()
func setVndkMustUseVendorVariantListForTest(config android.Config, mustUseVendorVariantList []string) {
config.Once(vndkMustUseVendorVariantListKey, func() interface{} {
return mustUseVendorVariantList
})
}
func processLlndkLibrary(mctx android.BottomUpMutatorContext, m *Module) {
lib := m.linker.(*llndkStubDecorator)
name := m.BaseModuleName()
filename := m.BaseModuleName() + ".so"
vndkLibrariesLock.Lock()
defer vndkLibrariesLock.Unlock()
llndkLibraries(mctx.Config())[name] = filename
if !Bool(lib.Properties.Vendor_available) {
vndkPrivateLibraries(mctx.Config())[name] = filename
}
}
func processVndkLibrary(mctx android.BottomUpMutatorContext, m *Module) {
name := m.BaseModuleName()
filename, err := getVndkFileName(m)
if err != nil {
panic(err)
}
vndkLibrariesLock.Lock()
defer vndkLibrariesLock.Unlock()
if inList(name, vndkMustUseVendorVariantList(mctx.Config())) {
m.Properties.MustUseVendorVariant = true
}
if mctx.DeviceConfig().VndkUseCoreVariant() && !m.Properties.MustUseVendorVariant {
vndkUsingCoreVariantLibraries(mctx.Config())[name] = filename
}
if m.vndkdep.isVndkSp() {
vndkSpLibraries(mctx.Config())[name] = filename
} else {
vndkCoreLibraries(mctx.Config())[name] = filename
}
if !Bool(m.VendorProperties.Vendor_available) {
vndkPrivateLibraries(mctx.Config())[name] = filename
}
}
func IsForVndkApex(mctx android.BottomUpMutatorContext, m *Module) bool {
if !m.Enabled() {
return false
}
if !mctx.Device() {
return false
}
if m.Target().NativeBridge == android.NativeBridgeEnabled {
return false
}
// prebuilt vndk modules should match with device
// TODO(b/142675459): Use enabled: to select target device in vndk_prebuilt_shared
// When b/142675459 is landed, remove following check
if p, ok := m.linker.(*vndkPrebuiltLibraryDecorator); ok && !p.matchesWithDevice(mctx.DeviceConfig()) {
return false
}
if lib, ok := m.linker.(libraryInterface); ok {
useCoreVariant := m.VndkVersion() == mctx.DeviceConfig().PlatformVndkVersion() &&
mctx.DeviceConfig().VndkUseCoreVariant() && !m.MustUseVendorVariant()
return lib.shared() && m.inVendor() && m.IsVndk() && !m.isVndkExt() && !useCoreVariant
}
return false
}
// gather list of vndk-core, vndk-sp, and ll-ndk libs
func VndkMutator(mctx android.BottomUpMutatorContext) {
m, ok := mctx.Module().(*Module)
if !ok {
return
}
if !m.Enabled() {
return
}
if m.Target().NativeBridge == android.NativeBridgeEnabled {
// Skip native_bridge modules
return
}
if _, ok := m.linker.(*llndkStubDecorator); ok {
processLlndkLibrary(mctx, m)
return
}
lib, is_lib := m.linker.(*libraryDecorator)
prebuilt_lib, is_prebuilt_lib := m.linker.(*prebuiltLibraryLinker)
if (is_lib && lib.buildShared()) || (is_prebuilt_lib && prebuilt_lib.buildShared()) {
if m.vndkdep != nil && m.vndkdep.isVndk() && !m.vndkdep.isVndkExt() {
processVndkLibrary(mctx, m)
return
}
}
}
func init() {
android.RegisterModuleType("vndk_libraries_txt", VndkLibrariesTxtFactory)
android.RegisterSingletonType("vndk-snapshot", VndkSnapshotSingleton)
}
type vndkLibrariesTxt struct {
android.ModuleBase
outputFile android.OutputPath
}
var _ android.PrebuiltEtcModule = &vndkLibrariesTxt{}
var _ android.OutputFileProducer = &vndkLibrariesTxt{}
// vndk_libraries_txt is a special kind of module type in that it name is one of
// - llndk.libraries.txt
// - vndkcore.libraries.txt
// - vndksp.libraries.txt
// - vndkprivate.libraries.txt
// - vndkcorevariant.libraries.txt
// A module behaves like a prebuilt_etc but its content is generated by soong.
// By being a soong module, these files can be referenced by other soong modules.
// For example, apex_vndk can depend on these files as prebuilt.
func VndkLibrariesTxtFactory() android.Module {
m := &vndkLibrariesTxt{}
android.InitAndroidModule(m)
return m
}
func insertVndkVersion(filename string, vndkVersion string) string {
if index := strings.LastIndex(filename, "."); index != -1 {
return filename[:index] + "." + vndkVersion + filename[index:]
}
return filename
}
func (txt *vndkLibrariesTxt) GenerateAndroidBuildActions(ctx android.ModuleContext) {
var list []string
switch txt.Name() {
case llndkLibrariesTxt:
for _, filename := range android.SortedStringMapValues(llndkLibraries(ctx.Config())) {
if strings.HasPrefix(filename, "libclang_rt.hwasan-") {
continue
}
list = append(list, filename)
}
case vndkCoreLibrariesTxt:
list = android.SortedStringMapValues(vndkCoreLibraries(ctx.Config()))
case vndkSpLibrariesTxt:
list = android.SortedStringMapValues(vndkSpLibraries(ctx.Config()))
case vndkPrivateLibrariesTxt:
list = android.SortedStringMapValues(vndkPrivateLibraries(ctx.Config()))
case vndkUsingCoreVariantLibrariesTxt:
list = android.SortedStringMapValues(vndkUsingCoreVariantLibraries(ctx.Config()))
default:
ctx.ModuleErrorf("name(%s) is unknown.", txt.Name())
return
}
var filename string
if txt.Name() != vndkUsingCoreVariantLibrariesTxt {
filename = insertVndkVersion(txt.Name(), ctx.DeviceConfig().PlatformVndkVersion())
} else {
filename = txt.Name()
}
txt.outputFile = android.PathForModuleOut(ctx, filename).OutputPath
ctx.Build(pctx, android.BuildParams{
Rule: android.WriteFile,
Output: txt.outputFile,
Description: "Writing " + txt.outputFile.String(),
Args: map[string]string{
"content": strings.Join(list, "\\n"),
},
})
installPath := android.PathForModuleInstall(ctx, "etc")
ctx.InstallFile(installPath, filename, txt.outputFile)
}
func (txt *vndkLibrariesTxt) AndroidMkEntries() []android.AndroidMkEntries {
return []android.AndroidMkEntries{android.AndroidMkEntries{
Class: "ETC",
OutputFile: android.OptionalPathForPath(txt.outputFile),
ExtraEntries: []android.AndroidMkExtraEntriesFunc{
func(entries *android.AndroidMkEntries) {
entries.SetString("LOCAL_MODULE_STEM", txt.outputFile.Base())
},
},
}}
}
func (txt *vndkLibrariesTxt) OutputFile() android.OutputPath {
return txt.outputFile
}
func (txt *vndkLibrariesTxt) OutputFiles(tag string) (android.Paths, error) {
return android.Paths{txt.outputFile}, nil
}
func (txt *vndkLibrariesTxt) SubDir() string {
return ""
}
func VndkSnapshotSingleton() android.Singleton {
return &vndkSnapshotSingleton{}
}
type vndkSnapshotSingleton struct {
vndkLibrariesFile android.OutputPath
vndkSnapshotZipFile android.OptionalPath
}
func (c *vndkSnapshotSingleton) GenerateBuildActions(ctx android.SingletonContext) {
// build these files even if PlatformVndkVersion or BoardVndkVersion is not set
c.buildVndkLibrariesTxtFiles(ctx)
// BOARD_VNDK_VERSION must be set to 'current' in order to generate a VNDK snapshot.
if ctx.DeviceConfig().VndkVersion() != "current" {
return
}
if ctx.DeviceConfig().PlatformVndkVersion() == "" {
return
}
if ctx.DeviceConfig().BoardVndkRuntimeDisable() {
return
}
var snapshotOutputs android.Paths
/*
VNDK snapshot zipped artifacts directory structure:
{SNAPSHOT_ARCH}/
arch-{TARGET_ARCH}-{TARGET_ARCH_VARIANT}/
shared/
vndk-core/
(VNDK-core libraries, e.g. libbinder.so)
vndk-sp/
(VNDK-SP libraries, e.g. libc++.so)
arch-{TARGET_2ND_ARCH}-{TARGET_2ND_ARCH_VARIANT}/
shared/
vndk-core/
(VNDK-core libraries, e.g. libbinder.so)
vndk-sp/
(VNDK-SP libraries, e.g. libc++.so)
binder32/
(This directory is newly introduced in v28 (Android P) to hold
prebuilts built for 32-bit binder interface.)
arch-{TARGET_ARCH}-{TARGE_ARCH_VARIANT}/
...
configs/
(various *.txt configuration files)
include/
(header files of same directory structure with source tree)
NOTICE_FILES/
(notice files of libraries, e.g. libcutils.so.txt)
*/
snapshotDir := "vndk-snapshot"
snapshotArchDir := filepath.Join(snapshotDir, ctx.DeviceConfig().DeviceArch())
targetArchDirMap := make(map[android.ArchType]string)
for _, target := range ctx.Config().Targets[android.Android] {
dir := snapshotArchDir
if ctx.DeviceConfig().BinderBitness() == "32" {
dir = filepath.Join(dir, "binder32")
}
arch := "arch-" + target.Arch.ArchType.String()
if target.Arch.ArchVariant != "" {
arch += "-" + target.Arch.ArchVariant
}
dir = filepath.Join(dir, arch)
targetArchDirMap[target.Arch.ArchType] = dir
}
configsDir := filepath.Join(snapshotArchDir, "configs")
noticeDir := filepath.Join(snapshotArchDir, "NOTICE_FILES")
includeDir := filepath.Join(snapshotArchDir, "include")
// set of include paths exported by VNDK libraries
exportedIncludes := make(map[string]bool)
// generated header files among exported headers.
var generatedHeaders android.Paths
// set of notice files copied.
noticeBuilt := make(map[string]bool)
// paths of VNDK modules for GPL license checking
modulePaths := make(map[string]string)
// actual module names of .so files
// e.g. moduleNames["libprotobuf-cpp-full-3.9.1.so"] = "libprotobuf-cpp-full"
moduleNames := make(map[string]string)
installSnapshotFileFromPath := func(path android.Path, out string) android.OutputPath {
outPath := android.PathForOutput(ctx, out)
ctx.Build(pctx, android.BuildParams{
Rule: android.Cp,
Input: path,
Output: outPath,
Description: "vndk snapshot " + out,
Args: map[string]string{
"cpFlags": "-f -L",
},
})
return outPath
}
installSnapshotFileFromContent := func(content, out string) android.OutputPath {
outPath := android.PathForOutput(ctx, out)
ctx.Build(pctx, android.BuildParams{
Rule: android.WriteFile,
Output: outPath,
Description: "vndk snapshot " + out,
Args: map[string]string{
"content": content,
},
})
return outPath
}
type vndkSnapshotLibraryInterface interface {
exportedFlagsProducer
libraryInterface
}
var _ vndkSnapshotLibraryInterface = (*prebuiltLibraryLinker)(nil)
var _ vndkSnapshotLibraryInterface = (*libraryDecorator)(nil)
installVndkSnapshotLib := func(m *Module, l vndkSnapshotLibraryInterface, vndkType string) (android.Paths, bool) {
targetArchDir, ok := targetArchDirMap[m.Target().Arch.ArchType]
if !ok {
return nil, false
}
var ret android.Paths
libPath := m.outputFile.Path()
stem := libPath.Base()
snapshotLibOut := filepath.Join(targetArchDir, "shared", vndkType, stem)
ret = append(ret, installSnapshotFileFromPath(libPath, snapshotLibOut))
moduleNames[stem] = ctx.ModuleName(m)
modulePaths[stem] = ctx.ModuleDir(m)
if m.NoticeFile().Valid() {
noticeName := stem + ".txt"
// skip already copied notice file
if _, ok := noticeBuilt[noticeName]; !ok {
noticeBuilt[noticeName] = true
ret = append(ret, installSnapshotFileFromPath(
m.NoticeFile().Path(), filepath.Join(noticeDir, noticeName)))
}
}
if ctx.Config().VndkSnapshotBuildArtifacts() {
prop := struct {
ExportedDirs []string `json:",omitempty"`
ExportedSystemDirs []string `json:",omitempty"`
ExportedFlags []string `json:",omitempty"`
RelativeInstallPath string `json:",omitempty"`
}{}
prop.ExportedFlags = l.exportedFlags()
prop.ExportedDirs = l.exportedDirs().Strings()
prop.ExportedSystemDirs = l.exportedSystemDirs().Strings()
prop.RelativeInstallPath = m.RelativeInstallPath()
propOut := snapshotLibOut + ".json"
j, err := json.Marshal(prop)
if err != nil {
ctx.Errorf("json marshal to %q failed: %#v", propOut, err)
return nil, false
}
ret = append(ret, installSnapshotFileFromContent(string(j), propOut))
}
return ret, true
}
isVndkSnapshotLibrary := func(m *Module) (i vndkSnapshotLibraryInterface, vndkType string, isVndkSnapshotLib bool) {
if m.Target().NativeBridge == android.NativeBridgeEnabled {
return nil, "", false
}
if !m.UseVndk() || !m.installable() || !m.inVendor() {
return nil, "", false
}
l, ok := m.linker.(vndkSnapshotLibraryInterface)
if !ok || !l.shared() {
return nil, "", false
}
if m.VndkVersion() == ctx.DeviceConfig().PlatformVndkVersion() && m.IsVndk() && !m.isVndkExt() {
if m.isVndkSp() {
return l, "vndk-sp", true
} else {
return l, "vndk-core", true
}
}
return nil, "", false
}
ctx.VisitAllModules(func(module android.Module) {
m, ok := module.(*Module)
if !ok || !m.Enabled() {
return
}
l, vndkType, ok := isVndkSnapshotLibrary(m)
if !ok {
return
}
libs, ok := installVndkSnapshotLib(m, l, vndkType)
if !ok {
return
}
snapshotOutputs = append(snapshotOutputs, libs...)
// We glob headers from include directories inside source tree. So we first gather
// all include directories inside our source tree. On the contrast, we manually
// collect generated headers from dependencies as they can't globbed.
generatedHeaders = append(generatedHeaders, l.exportedGeneratedHeaders()...)
for _, dir := range append(l.exportedDirs(), l.exportedSystemDirs()...) {
exportedIncludes[dir.String()] = true
}
})
if ctx.Config().VndkSnapshotBuildArtifacts() {
globbedHeaders := make(map[string]bool)
for _, dir := range android.SortedStringKeys(exportedIncludes) {
// Skip if dir is for generated headers
if strings.HasPrefix(dir, android.PathForOutput(ctx).String()) {
continue
}
exts := headerExts
// Glob all files under this special directory, because of C++ headers.
if strings.HasPrefix(dir, "external/libcxx/include") {
exts = []string{""}
}
for _, ext := range exts {
glob, err := ctx.GlobWithDeps(dir+"/**/*"+ext, nil)
if err != nil {
ctx.Errorf("%#v\n", err)
return
}
for _, header := range glob {
if strings.HasSuffix(header, "/") {
continue
}
globbedHeaders[header] = true
}
}
}
for _, header := range android.SortedStringKeys(globbedHeaders) {
snapshotOutputs = append(snapshotOutputs, installSnapshotFileFromPath(
android.PathForSource(ctx, header), filepath.Join(includeDir, header)))
}
isHeader := func(path string) bool {
for _, ext := range headerExts {
if strings.HasSuffix(path, ext) {
return true
}
}
return false
}
// For generated headers, manually install one by one, rather than glob
for _, path := range android.PathsToDirectorySortedPaths(android.FirstUniquePaths(generatedHeaders)) {
header := path.String()
if !isHeader(header) {
continue
}
snapshotOutputs = append(snapshotOutputs, installSnapshotFileFromPath(
path, filepath.Join(includeDir, header)))
}
}
// install *.libraries.txt except vndkcorevariant.libraries.txt
ctx.VisitAllModules(func(module android.Module) {
m, ok := module.(*vndkLibrariesTxt)
if !ok || !m.Enabled() || m.Name() == vndkUsingCoreVariantLibrariesTxt {
return
}
snapshotOutputs = append(snapshotOutputs, installSnapshotFileFromPath(m.OutputFile(), filepath.Join(configsDir, m.Name())))
})
/*
Dump a map to a list file as:
{key1} {value1}
{key2} {value2}
...
*/
installMapListFile := func(m map[string]string, path string) android.OutputPath {
var txtBuilder strings.Builder
for idx, k := range android.SortedStringKeys(m) {
if idx > 0 {
txtBuilder.WriteString("\\n")
}
txtBuilder.WriteString(k)
txtBuilder.WriteString(" ")
txtBuilder.WriteString(m[k])
}
return installSnapshotFileFromContent(txtBuilder.String(), path)
}
/*
module_paths.txt contains paths on which VNDK modules are defined.
e.g.,
libbase.so system/core/base
libc.so bionic/libc
...
*/
snapshotOutputs = append(snapshotOutputs, installMapListFile(modulePaths, filepath.Join(configsDir, "module_paths.txt")))
/*
module_names.txt contains names as which VNDK modules are defined,
because output filename and module name can be different with stem and suffix properties.
e.g.,
libcutils.so libcutils
libprotobuf-cpp-full-3.9.2.so libprotobuf-cpp-full
...
*/
snapshotOutputs = append(snapshotOutputs, installMapListFile(moduleNames, filepath.Join(configsDir, "module_names.txt")))
// 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, "android-vndk-"+ctx.DeviceConfig().DeviceArch()+".zip")
zipRule := android.NewRuleBuilder()
// If output files are too many, soong_zip command can exceed ARG_MAX.
// So first dump file lists into a single list file, and then feed it to Soong
snapshotOutputList := android.PathForOutput(ctx, snapshotDir, "android-vndk-"+ctx.DeviceConfig().DeviceArch()+"_list")
zipRule.Command().
Text("( xargs").
FlagWithRspFileInputList("-n1 echo < ", snapshotOutputs).
FlagWithOutput("| tr -d \\' > ", snapshotOutputList).
Text(")")
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(), "vndk snapshot "+zipPath.String())
c.vndkSnapshotZipFile = android.OptionalPathForPath(zipPath)
}
func getVndkFileName(m *Module) (string, error) {
if library, ok := m.linker.(*libraryDecorator); ok {
return library.getLibNameHelper(m.BaseModuleName(), true) + ".so", nil
}
if prebuilt, ok := m.linker.(*prebuiltLibraryLinker); ok {
return prebuilt.libraryDecorator.getLibNameHelper(m.BaseModuleName(), true) + ".so", nil
}
return "", fmt.Errorf("VNDK library should have libraryDecorator or prebuiltLibraryLinker as linker: %T", m.linker)
}
func (c *vndkSnapshotSingleton) buildVndkLibrariesTxtFiles(ctx android.SingletonContext) {
llndk := android.SortedStringMapValues(llndkLibraries(ctx.Config()))
vndkcore := android.SortedStringMapValues(vndkCoreLibraries(ctx.Config()))
vndksp := android.SortedStringMapValues(vndkSpLibraries(ctx.Config()))
vndkprivate := android.SortedStringMapValues(vndkPrivateLibraries(ctx.Config()))
// Build list of vndk libs as merged & tagged & filter-out(libclang_rt):
// Since each target have different set of libclang_rt.* files,
// keep the common set of files in vndk.libraries.txt
var merged []string
filterOutLibClangRt := func(libList []string) (filtered []string) {
for _, lib := range libList {
if !strings.HasPrefix(lib, "libclang_rt.") {
filtered = append(filtered, lib)
}
}
return
}
merged = append(merged, addPrefix(filterOutLibClangRt(llndk), "LLNDK: ")...)
merged = append(merged, addPrefix(vndksp, "VNDK-SP: ")...)
merged = append(merged, addPrefix(filterOutLibClangRt(vndkcore), "VNDK-core: ")...)
merged = append(merged, addPrefix(vndkprivate, "VNDK-private: ")...)
c.vndkLibrariesFile = android.PathForOutput(ctx, "vndk", "vndk.libraries.txt")
ctx.Build(pctx, android.BuildParams{
Rule: android.WriteFile,
Output: c.vndkLibrariesFile,
Description: "Writing " + c.vndkLibrariesFile.String(),
Args: map[string]string{
"content": strings.Join(merged, "\\n"),
},
})
}
func (c *vndkSnapshotSingleton) MakeVars(ctx android.MakeVarsContext) {
// Make uses LLNDK_MOVED_TO_APEX_LIBRARIES to avoid installing libraries on /system if
// they been moved to an apex.
movedToApexLlndkLibraries := []string{}
for lib := range llndkLibraries(ctx.Config()) {
// Skip bionic libs, they are handled in different manner
if android.DirectlyInAnyApex(&notOnHostContext{}, lib) && !isBionic(lib) {
movedToApexLlndkLibraries = append(movedToApexLlndkLibraries, lib)
}
}
ctx.Strict("LLNDK_MOVED_TO_APEX_LIBRARIES", strings.Join(movedToApexLlndkLibraries, " "))
// Make uses LLNDK_LIBRARIES to determine which libraries to install.
// HWASAN is only part of the LL-NDK in builds in which libc depends on HWASAN.
// Therefore, by removing the library here, we cause it to only be installed if libc
// depends on it.
installedLlndkLibraries := []string{}
for lib := range llndkLibraries(ctx.Config()) {
if strings.HasPrefix(lib, "libclang_rt.hwasan-") {
continue
}
installedLlndkLibraries = append(installedLlndkLibraries, lib)
}
sort.Strings(installedLlndkLibraries)
ctx.Strict("LLNDK_LIBRARIES", strings.Join(installedLlndkLibraries, " "))
ctx.Strict("VNDK_CORE_LIBRARIES", strings.Join(android.SortedStringKeys(vndkCoreLibraries(ctx.Config())), " "))
ctx.Strict("VNDK_SAMEPROCESS_LIBRARIES", strings.Join(android.SortedStringKeys(vndkSpLibraries(ctx.Config())), " "))
ctx.Strict("VNDK_PRIVATE_LIBRARIES", strings.Join(android.SortedStringKeys(vndkPrivateLibraries(ctx.Config())), " "))
ctx.Strict("VNDK_USING_CORE_VARIANT_LIBRARIES", strings.Join(android.SortedStringKeys(vndkUsingCoreVariantLibraries(ctx.Config())), " "))
ctx.Strict("VNDK_LIBRARIES_FILE", c.vndkLibrariesFile.String())
ctx.Strict("SOONG_VNDK_SNAPSHOT_ZIP", c.vndkSnapshotZipFile.String())
}