platform_build_soong/apex/apex.go

2097 lines
74 KiB
Go

// Copyright (C) 2018 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 apex
import (
"fmt"
"io"
"path/filepath"
"runtime"
"sort"
"strings"
"sync"
"android/soong/android"
"android/soong/cc"
"android/soong/java"
"android/soong/python"
"github.com/google/blueprint"
"github.com/google/blueprint/bootstrap"
"github.com/google/blueprint/proptools"
)
var (
pctx = android.NewPackageContext("android/apex")
// Create a canned fs config file where all files and directories are
// by default set to (uid/gid/mode) = (1000/1000/0644)
// TODO(b/113082813) make this configurable using config.fs syntax
generateFsConfig = pctx.StaticRule("generateFsConfig", blueprint.RuleParams{
Command: `echo '/ 1000 1000 0755' > ${out} && ` +
`echo '/apex_manifest.json 1000 1000 0644' >> ${out} && ` +
`echo ${ro_paths} | tr ' ' '\n' | awk '{print "/"$$1 " 1000 1000 0644"}' >> ${out} && ` +
`echo ${exec_paths} | tr ' ' '\n' | awk '{print "/"$$1 " 0 2000 0755"}' >> ${out}`,
Description: "fs_config ${out}",
}, "ro_paths", "exec_paths")
apexManifestRule = pctx.StaticRule("apexManifestRule", blueprint.RuleParams{
Command: `rm -f $out && ${jsonmodify} $in ` +
`-a provideNativeLibs ${provideNativeLibs} ` +
`-a requireNativeLibs ${requireNativeLibs} ` +
`${opt} ` +
`-o $out`,
CommandDeps: []string{"${jsonmodify}"},
Description: "prepare ${out}",
}, "provideNativeLibs", "requireNativeLibs", "opt")
// TODO(b/113233103): make sure that file_contexts is sane, i.e., validate
// against the binary policy using sefcontext_compiler -p <policy>.
// TODO(b/114327326): automate the generation of file_contexts
apexRule = pctx.StaticRule("apexRule", blueprint.RuleParams{
Command: `rm -rf ${image_dir} && mkdir -p ${image_dir} && ` +
`(. ${out}.copy_commands) && ` +
`APEXER_TOOL_PATH=${tool_path} ` +
`${apexer} --force --manifest ${manifest} ` +
`--file_contexts ${file_contexts} ` +
`--canned_fs_config ${canned_fs_config} ` +
`--payload_type image ` +
`--key ${key} ${opt_flags} ${image_dir} ${out} `,
CommandDeps: []string{"${apexer}", "${avbtool}", "${e2fsdroid}", "${merge_zips}",
"${mke2fs}", "${resize2fs}", "${sefcontext_compile}",
"${soong_zip}", "${zipalign}", "${aapt2}", "prebuilts/sdk/current/public/android.jar"},
Rspfile: "${out}.copy_commands",
RspfileContent: "${copy_commands}",
Description: "APEX ${image_dir} => ${out}",
}, "tool_path", "image_dir", "copy_commands", "manifest", "file_contexts", "canned_fs_config", "key", "opt_flags")
zipApexRule = pctx.StaticRule("zipApexRule", blueprint.RuleParams{
Command: `rm -rf ${image_dir} && mkdir -p ${image_dir} && ` +
`(. ${out}.copy_commands) && ` +
`APEXER_TOOL_PATH=${tool_path} ` +
`${apexer} --force --manifest ${manifest} ` +
`--payload_type zip ` +
`${image_dir} ${out} `,
CommandDeps: []string{"${apexer}", "${merge_zips}", "${soong_zip}", "${zipalign}", "${aapt2}"},
Rspfile: "${out}.copy_commands",
RspfileContent: "${copy_commands}",
Description: "ZipAPEX ${image_dir} => ${out}",
}, "tool_path", "image_dir", "copy_commands", "manifest")
apexProtoConvertRule = pctx.AndroidStaticRule("apexProtoConvertRule",
blueprint.RuleParams{
Command: `${aapt2} convert --output-format proto $in -o $out`,
CommandDeps: []string{"${aapt2}"},
})
apexBundleRule = pctx.StaticRule("apexBundleRule", blueprint.RuleParams{
Command: `${zip2zip} -i $in -o $out ` +
`apex_payload.img:apex/${abi}.img ` +
`apex_manifest.json:root/apex_manifest.json ` +
`AndroidManifest.xml:manifest/AndroidManifest.xml ` +
`assets/NOTICE.html.gz:assets/NOTICE.html.gz`,
CommandDeps: []string{"${zip2zip}"},
Description: "app bundle",
}, "abi")
emitApexContentRule = pctx.StaticRule("emitApexContentRule", blueprint.RuleParams{
Command: `rm -f ${out} && touch ${out} && (. ${out}.emit_commands)`,
Rspfile: "${out}.emit_commands",
RspfileContent: "${emit_commands}",
Description: "Emit APEX image content",
}, "emit_commands")
diffApexContentRule = pctx.StaticRule("diffApexContentRule", blueprint.RuleParams{
Command: `diff --unchanged-group-format='' \` +
`--changed-group-format='%<' \` +
`${image_content_file} ${whitelisted_files_file} || (` +
`echo -e "New unexpected files were added to ${apex_module_name}." ` +
` "To fix the build run following command:" && ` +
`echo "system/apex/tools/update_whitelist.sh ${whitelisted_files_file} ${image_content_file}" && ` +
`exit 1)`,
Description: "Diff ${image_content_file} and ${whitelisted_files_file}",
}, "image_content_file", "whitelisted_files_file", "apex_module_name")
)
const (
imageApexSuffix = ".apex"
zipApexSuffix = ".zipapex"
imageApexType = "image"
zipApexType = "zip"
vndkApexNamePrefix = "com.android.vndk.v"
)
type dependencyTag struct {
blueprint.BaseDependencyTag
name string
}
var (
sharedLibTag = dependencyTag{name: "sharedLib"}
executableTag = dependencyTag{name: "executable"}
javaLibTag = dependencyTag{name: "javaLib"}
prebuiltTag = dependencyTag{name: "prebuilt"}
testTag = dependencyTag{name: "test"}
keyTag = dependencyTag{name: "key"}
certificateTag = dependencyTag{name: "certificate"}
usesTag = dependencyTag{name: "uses"}
androidAppTag = dependencyTag{name: "androidApp"}
)
func init() {
pctx.Import("android/soong/android")
pctx.Import("android/soong/java")
pctx.HostBinToolVariable("apexer", "apexer")
// ART minimal builds (using the master-art manifest) do not have the "frameworks/base"
// projects, and hence cannot built 'aapt2'. Use the SDK prebuilt instead.
hostBinToolVariableWithPrebuilt := func(name, prebuiltDir, tool string) {
pctx.VariableFunc(name, func(ctx android.PackageVarContext) string {
if !ctx.Config().FrameworksBaseDirExists(ctx) {
return filepath.Join(prebuiltDir, runtime.GOOS, "bin", tool)
} else {
return pctx.HostBinToolPath(ctx, tool).String()
}
})
}
hostBinToolVariableWithPrebuilt("aapt2", "prebuilts/sdk/tools", "aapt2")
pctx.HostBinToolVariable("avbtool", "avbtool")
pctx.HostBinToolVariable("e2fsdroid", "e2fsdroid")
pctx.HostBinToolVariable("merge_zips", "merge_zips")
pctx.HostBinToolVariable("mke2fs", "mke2fs")
pctx.HostBinToolVariable("resize2fs", "resize2fs")
pctx.HostBinToolVariable("sefcontext_compile", "sefcontext_compile")
pctx.HostBinToolVariable("soong_zip", "soong_zip")
pctx.HostBinToolVariable("zip2zip", "zip2zip")
pctx.HostBinToolVariable("zipalign", "zipalign")
pctx.HostBinToolVariable("jsonmodify", "jsonmodify")
android.RegisterModuleType("apex", BundleFactory)
android.RegisterModuleType("apex_test", testApexBundleFactory)
android.RegisterModuleType("apex_vndk", vndkApexBundleFactory)
android.RegisterModuleType("apex_defaults", defaultsFactory)
android.RegisterModuleType("prebuilt_apex", PrebuiltFactory)
android.PreDepsMutators(RegisterPreDepsMutators)
android.PostDepsMutators(RegisterPostDepsMutators)
android.RegisterMakeVarsProvider(pctx, func(ctx android.MakeVarsContext) {
apexFileContextsInfos := apexFileContextsInfos(ctx.Config())
sort.Strings(*apexFileContextsInfos)
ctx.Strict("APEX_FILE_CONTEXTS_INFOS", strings.Join(*apexFileContextsInfos, " "))
})
}
func RegisterPreDepsMutators(ctx android.RegisterMutatorsContext) {
ctx.TopDown("apex_vndk", apexVndkMutator).Parallel()
ctx.BottomUp("apex_vndk_deps", apexVndkDepsMutator).Parallel()
}
func RegisterPostDepsMutators(ctx android.RegisterMutatorsContext) {
ctx.TopDown("apex_deps", apexDepsMutator)
ctx.BottomUp("apex", apexMutator).Parallel()
ctx.BottomUp("apex_flattened", apexFlattenedMutator).Parallel()
ctx.BottomUp("apex_uses", apexUsesMutator).Parallel()
}
var (
vndkApexListKey = android.NewOnceKey("vndkApexList")
vndkApexListMutex sync.Mutex
)
func vndkApexList(config android.Config) map[string]string {
return config.Once(vndkApexListKey, func() interface{} {
return map[string]string{}
}).(map[string]string)
}
func apexVndkMutator(mctx android.TopDownMutatorContext) {
if ab, ok := mctx.Module().(*apexBundle); ok && ab.vndkApex {
if ab.IsNativeBridgeSupported() {
mctx.PropertyErrorf("native_bridge_supported", "%q doesn't support native bridge binary.", mctx.ModuleType())
}
vndkVersion := ab.vndkVersion(mctx.DeviceConfig())
// Ensure VNDK APEX mount point is formatted as com.android.vndk.v###
ab.properties.Apex_name = proptools.StringPtr(vndkApexNamePrefix + vndkVersion)
// vndk_version should be unique
vndkApexListMutex.Lock()
defer vndkApexListMutex.Unlock()
vndkApexList := vndkApexList(mctx.Config())
if other, ok := vndkApexList[vndkVersion]; ok {
mctx.PropertyErrorf("vndk_version", "%v is already defined in %q", vndkVersion, other)
}
vndkApexList[vndkVersion] = mctx.ModuleName()
}
}
func apexVndkDepsMutator(mctx android.BottomUpMutatorContext) {
if m, ok := mctx.Module().(*cc.Module); ok && cc.IsForVndkApex(mctx, m) {
vndkVersion := m.VndkVersion()
vndkApexList := vndkApexList(mctx.Config())
if vndkApex, ok := vndkApexList[vndkVersion]; ok {
mctx.AddReverseDependency(mctx.Module(), sharedLibTag, vndkApex)
}
}
}
// Mark the direct and transitive dependencies of apex bundles so that they
// can be built for the apex bundles.
func apexDepsMutator(mctx android.TopDownMutatorContext) {
if a, ok := mctx.Module().(*apexBundle); ok {
apexBundleName := mctx.ModuleName()
mctx.WalkDeps(func(child, parent android.Module) bool {
depName := mctx.OtherModuleName(child)
// If the parent is apexBundle, this child is directly depended.
_, directDep := parent.(*apexBundle)
if a.installable() && !a.testApex {
// TODO(b/123892969): Workaround for not having any way to annotate test-apexs
// non-installable apex's cannot be installed and so should not prevent libraries from being
// installed to the system.
android.UpdateApexDependency(apexBundleName, depName, directDep)
}
if am, ok := child.(android.ApexModule); ok && am.CanHaveApexVariants() {
am.BuildForApex(apexBundleName)
return true
} else {
return false
}
})
}
}
// Create apex variations if a module is included in APEX(s).
func apexMutator(mctx android.BottomUpMutatorContext) {
if am, ok := mctx.Module().(android.ApexModule); ok && am.CanHaveApexVariants() {
am.CreateApexVariations(mctx)
} else if a, ok := mctx.Module().(*apexBundle); ok {
// apex bundle itself is mutated so that it and its modules have same
// apex variant.
apexBundleName := mctx.ModuleName()
mctx.CreateVariations(apexBundleName)
// collects APEX list
if mctx.Device() && a.installable() {
addApexFileContextsInfos(mctx, a)
}
}
}
var (
apexFileContextsInfosKey = android.NewOnceKey("apexFileContextsInfosKey")
apexFileContextsInfosMutex sync.Mutex
)
func apexFileContextsInfos(config android.Config) *[]string {
return config.Once(apexFileContextsInfosKey, func() interface{} {
return &[]string{}
}).(*[]string)
}
func addApexFileContextsInfos(ctx android.BaseModuleContext, a *apexBundle) {
apexName := proptools.StringDefault(a.properties.Apex_name, ctx.ModuleName())
fileContextsName := proptools.StringDefault(a.properties.File_contexts, ctx.ModuleName())
apexFileContextsInfosMutex.Lock()
defer apexFileContextsInfosMutex.Unlock()
apexFileContextsInfos := apexFileContextsInfos(ctx.Config())
*apexFileContextsInfos = append(*apexFileContextsInfos, apexName+":"+fileContextsName)
}
func apexFlattenedMutator(mctx android.BottomUpMutatorContext) {
if ab, ok := mctx.Module().(*apexBundle); ok {
if !mctx.Config().FlattenApex() || mctx.Config().UnbundledBuild() {
modules := mctx.CreateLocalVariations("", "flattened")
modules[0].(*apexBundle).SetFlattened(false)
modules[1].(*apexBundle).SetFlattened(true)
} else {
ab.SetFlattened(true)
ab.SetFlattenedConfigValue()
}
}
}
func apexUsesMutator(mctx android.BottomUpMutatorContext) {
if ab, ok := mctx.Module().(*apexBundle); ok {
mctx.AddFarVariationDependencies(nil, usesTag, ab.properties.Uses...)
}
}
type apexNativeDependencies struct {
// List of native libraries
Native_shared_libs []string
// List of native executables
Binaries []string
// List of native tests
Tests []string
}
type apexMultilibProperties struct {
// Native dependencies whose compile_multilib is "first"
First apexNativeDependencies
// Native dependencies whose compile_multilib is "both"
Both apexNativeDependencies
// Native dependencies whose compile_multilib is "prefer32"
Prefer32 apexNativeDependencies
// Native dependencies whose compile_multilib is "32"
Lib32 apexNativeDependencies
// Native dependencies whose compile_multilib is "64"
Lib64 apexNativeDependencies
}
type apexBundleProperties struct {
// Json manifest file describing meta info of this APEX bundle. Default:
// "apex_manifest.json"
Manifest *string `android:"path"`
// AndroidManifest.xml file used for the zip container of this APEX bundle.
// If unspecified, a default one is automatically generated.
AndroidManifest *string `android:"path"`
// Canonical name of the APEX bundle. Used to determine the path to the activated APEX on
// device (/apex/<apex_name>).
// If unspecified, defaults to the value of name.
Apex_name *string
// Determines the file contexts file for setting security context to each file in this APEX bundle.
// Specifically, when this is set to <value>, /system/sepolicy/apex/<value>_file_contexts file is
// used.
// Default: <name_of_this_module>
File_contexts *string
// List of native shared libs that are embedded inside this APEX bundle
Native_shared_libs []string
// List of executables that are embedded inside this APEX bundle
Binaries []string
// List of java libraries that are embedded inside this APEX bundle
Java_libs []string
// List of prebuilt files that are embedded inside this APEX bundle
Prebuilts []string
// List of tests that are embedded inside this APEX bundle
Tests []string
// Name of the apex_key module that provides the private key to sign APEX
Key *string
// The type of APEX to build. Controls what the APEX payload is. Either
// 'image', 'zip' or 'both'. Default: 'image'.
Payload_type *string
// The name of a certificate in the default certificate directory, blank to use the default product certificate,
// or an android_app_certificate module name in the form ":module".
Certificate *string
// Whether this APEX is installable to one of the partitions. Default: true.
Installable *bool
// For native libraries and binaries, use the vendor variant instead of the core (platform) variant.
// Default is false.
Use_vendor *bool
// For telling the apex to ignore special handling for system libraries such as bionic. Default is false.
Ignore_system_library_special_case *bool
Multilib apexMultilibProperties
// List of sanitizer names that this APEX is enabled for
SanitizerNames []string `blueprint:"mutated"`
PreventInstall bool `blueprint:"mutated"`
HideFromMake bool `blueprint:"mutated"`
// Indicates this APEX provides C++ shared libaries to other APEXes. Default: false.
Provide_cpp_shared_libs *bool
// List of providing APEXes' names so that this APEX can depend on provided shared libraries.
Uses []string
// A txt file containing list of files that are whitelisted to be included in this APEX.
Whitelisted_files *string
// List of APKs to package inside APEX
Apps []string
// To distinguish between flattened and non-flattened apex.
// if set true, then output files are flattened.
Flattened bool `blueprint:"mutated"`
// if true, it means that TARGET_FLATTEN_APEX is true and
// TARGET_BUILD_APPS is false
FlattenedConfigValue bool `blueprint:"mutated"`
// List of SDKs that are used to build this APEX. A reference to an SDK should be either
// `name#version` or `name` which is an alias for `name#current`. If left empty, `platform#current`
// is implied. This value affects all modules included in this APEX. In other words, they are
// also built with the SDKs specified here.
Uses_sdks []string
}
type apexTargetBundleProperties struct {
Target struct {
// Multilib properties only for android.
Android struct {
Multilib apexMultilibProperties
}
// Multilib properties only for host.
Host struct {
Multilib apexMultilibProperties
}
// Multilib properties only for host linux_bionic.
Linux_bionic struct {
Multilib apexMultilibProperties
}
// Multilib properties only for host linux_glibc.
Linux_glibc struct {
Multilib apexMultilibProperties
}
}
}
type apexVndkProperties struct {
// Indicates VNDK version of which this VNDK APEX bundles VNDK libs. Default is Platform VNDK Version.
Vndk_version *string
}
type apexFileClass int
const (
etc apexFileClass = iota
nativeSharedLib
nativeExecutable
shBinary
pyBinary
goBinary
javaSharedLib
nativeTest
app
)
type apexPackaging int
const (
imageApex apexPackaging = iota
zipApex
both
)
func (a apexPackaging) image() bool {
switch a {
case imageApex, both:
return true
}
return false
}
func (a apexPackaging) zip() bool {
switch a {
case zipApex, both:
return true
}
return false
}
func (a apexPackaging) suffix() string {
switch a {
case imageApex:
return imageApexSuffix
case zipApex:
return zipApexSuffix
case both:
panic(fmt.Errorf("must be either zip or image"))
default:
panic(fmt.Errorf("unknown APEX type %d", a))
}
}
func (a apexPackaging) name() string {
switch a {
case imageApex:
return imageApexType
case zipApex:
return zipApexType
case both:
panic(fmt.Errorf("must be either zip or image"))
default:
panic(fmt.Errorf("unknown APEX type %d", a))
}
}
func (class apexFileClass) NameInMake() string {
switch class {
case etc:
return "ETC"
case nativeSharedLib:
return "SHARED_LIBRARIES"
case nativeExecutable, shBinary, pyBinary, goBinary:
return "EXECUTABLES"
case javaSharedLib:
return "JAVA_LIBRARIES"
case nativeTest:
return "NATIVE_TESTS"
case app:
// b/142537672 Why isn't this APP? We want to have full control over
// the paths and file names of the apk file under the flattend APEX.
// If this is set to APP, then the paths and file names are modified
// by the Make build system. For example, it is installed to
// /system/apex/<apexname>/app/<Appname>/<apexname>.<Appname>/ instead of
// /system/apex/<apexname>/app/<Appname> because the build system automatically
// appends module name (which is <apexname>.<Appname> to the path.
return "ETC"
default:
panic(fmt.Errorf("unknown class %d", class))
}
}
type apexFile struct {
builtFile android.Path
moduleName string
installDir string
class apexFileClass
module android.Module
symlinks []string
}
type apexBundle struct {
android.ModuleBase
android.DefaultableModuleBase
android.SdkBase
properties apexBundleProperties
targetProperties apexTargetBundleProperties
vndkProperties apexVndkProperties
apexTypes apexPackaging
bundleModuleFile android.WritablePath
outputFiles map[apexPackaging]android.WritablePath
flattenedOutput android.InstallPath
installDir android.InstallPath
prebuiltFileToDelete string
public_key_file android.Path
private_key_file android.Path
container_certificate_file android.Path
container_private_key_file android.Path
// list of files to be included in this apex
filesInfo []apexFile
// list of module names that this APEX is depending on
externalDeps []string
testApex bool
vndkApex bool
// intermediate path for apex_manifest.json
manifestOut android.WritablePath
// list of commands to create symlinks for backward compatibility
// these commands will be attached as LOCAL_POST_INSTALL_CMD to
// apex package itself(for unflattened build) or apex_manifest.json(for flattened build)
// so that compat symlinks are always installed regardless of TARGET_FLATTEN_APEX setting.
compatSymlinks []string
}
func addDependenciesForNativeModules(ctx android.BottomUpMutatorContext,
native_shared_libs []string, binaries []string, tests []string,
target android.Target, imageVariation string) {
// Use *FarVariation* to be able to depend on modules having
// conflicting variations with this module. This is required since
// arch variant of an APEX bundle is 'common' but it is 'arm' or 'arm64'
// for native shared libs.
ctx.AddFarVariationDependencies(append(target.Variations(), []blueprint.Variation{
{Mutator: "image", Variation: imageVariation},
{Mutator: "link", Variation: "shared"},
{Mutator: "version", Variation: ""}, // "" is the non-stub variant
}...), sharedLibTag, native_shared_libs...)
ctx.AddFarVariationDependencies(append(target.Variations(),
blueprint.Variation{Mutator: "image", Variation: imageVariation}),
executableTag, binaries...)
ctx.AddFarVariationDependencies(append(target.Variations(), []blueprint.Variation{
{Mutator: "image", Variation: imageVariation},
{Mutator: "test_per_src", Variation: ""}, // "" is the all-tests variant
}...), testTag, tests...)
}
func (a *apexBundle) combineProperties(ctx android.BottomUpMutatorContext) {
if ctx.Os().Class == android.Device {
proptools.AppendProperties(&a.properties.Multilib, &a.targetProperties.Target.Android.Multilib, nil)
} else {
proptools.AppendProperties(&a.properties.Multilib, &a.targetProperties.Target.Host.Multilib, nil)
if ctx.Os().Bionic() {
proptools.AppendProperties(&a.properties.Multilib, &a.targetProperties.Target.Linux_bionic.Multilib, nil)
} else {
proptools.AppendProperties(&a.properties.Multilib, &a.targetProperties.Target.Linux_glibc.Multilib, nil)
}
}
}
func (a *apexBundle) DepsMutator(ctx android.BottomUpMutatorContext) {
targets := ctx.MultiTargets()
config := ctx.DeviceConfig()
a.combineProperties(ctx)
has32BitTarget := false
for _, target := range targets {
if target.Arch.ArchType.Multilib == "lib32" {
has32BitTarget = true
}
}
for i, target := range targets {
// When multilib.* is omitted for native_shared_libs, it implies
// multilib.both.
ctx.AddFarVariationDependencies(append(target.Variations(), []blueprint.Variation{
{Mutator: "image", Variation: a.getImageVariation(config)},
{Mutator: "link", Variation: "shared"},
}...), sharedLibTag, a.properties.Native_shared_libs...)
// When multilib.* is omitted for tests, it implies
// multilib.both.
ctx.AddFarVariationDependencies(append(target.Variations(), []blueprint.Variation{
{Mutator: "image", Variation: a.getImageVariation(config)},
{Mutator: "test_per_src", Variation: ""}, // "" is the all-tests variant
}...), testTag, a.properties.Tests...)
// Add native modules targetting both ABIs
addDependenciesForNativeModules(ctx,
a.properties.Multilib.Both.Native_shared_libs,
a.properties.Multilib.Both.Binaries,
a.properties.Multilib.Both.Tests,
target,
a.getImageVariation(config))
isPrimaryAbi := i == 0
if isPrimaryAbi {
// When multilib.* is omitted for binaries, it implies
// multilib.first.
ctx.AddFarVariationDependencies(append(target.Variations(),
blueprint.Variation{Mutator: "image", Variation: a.getImageVariation(config)}),
executableTag, a.properties.Binaries...)
// Add native modules targetting the first ABI
addDependenciesForNativeModules(ctx,
a.properties.Multilib.First.Native_shared_libs,
a.properties.Multilib.First.Binaries,
a.properties.Multilib.First.Tests,
target,
a.getImageVariation(config))
// When multilib.* is omitted for prebuilts, it implies multilib.first.
ctx.AddFarVariationDependencies(target.Variations(),
prebuiltTag, a.properties.Prebuilts...)
}
switch target.Arch.ArchType.Multilib {
case "lib32":
// Add native modules targetting 32-bit ABI
addDependenciesForNativeModules(ctx,
a.properties.Multilib.Lib32.Native_shared_libs,
a.properties.Multilib.Lib32.Binaries,
a.properties.Multilib.Lib32.Tests,
target,
a.getImageVariation(config))
addDependenciesForNativeModules(ctx,
a.properties.Multilib.Prefer32.Native_shared_libs,
a.properties.Multilib.Prefer32.Binaries,
a.properties.Multilib.Prefer32.Tests,
target,
a.getImageVariation(config))
case "lib64":
// Add native modules targetting 64-bit ABI
addDependenciesForNativeModules(ctx,
a.properties.Multilib.Lib64.Native_shared_libs,
a.properties.Multilib.Lib64.Binaries,
a.properties.Multilib.Lib64.Tests,
target,
a.getImageVariation(config))
if !has32BitTarget {
addDependenciesForNativeModules(ctx,
a.properties.Multilib.Prefer32.Native_shared_libs,
a.properties.Multilib.Prefer32.Binaries,
a.properties.Multilib.Prefer32.Tests,
target,
a.getImageVariation(config))
}
if strings.HasPrefix(ctx.ModuleName(), "com.android.runtime") && target.Os.Class == android.Device {
for _, sanitizer := range ctx.Config().SanitizeDevice() {
if sanitizer == "hwaddress" {
addDependenciesForNativeModules(ctx,
[]string{"libclang_rt.hwasan-aarch64-android"},
nil, nil, target, a.getImageVariation(config))
break
}
}
}
}
}
ctx.AddFarVariationDependencies(ctx.Config().AndroidCommonTarget.Variations(),
javaLibTag, a.properties.Java_libs...)
ctx.AddFarVariationDependencies(ctx.Config().AndroidCommonTarget.Variations(),
androidAppTag, a.properties.Apps...)
if String(a.properties.Key) == "" {
ctx.ModuleErrorf("key is missing")
return
}
ctx.AddDependency(ctx.Module(), keyTag, String(a.properties.Key))
cert := android.SrcIsModule(a.getCertString(ctx))
if cert != "" {
ctx.AddDependency(ctx.Module(), certificateTag, cert)
}
// TODO(jiyong): ensure that all apexes are with non-empty uses_sdks
if len(a.properties.Uses_sdks) > 0 {
sdkRefs := []android.SdkRef{}
for _, str := range a.properties.Uses_sdks {
parsed := android.ParseSdkRef(ctx, str, "uses_sdks")
sdkRefs = append(sdkRefs, parsed)
}
a.BuildWithSdks(sdkRefs)
}
}
func (a *apexBundle) DepIsInSameApex(ctx android.BaseModuleContext, dep android.Module) bool {
// direct deps of an APEX bundle are all part of the APEX bundle
return true
}
func (a *apexBundle) getCertString(ctx android.BaseModuleContext) string {
certificate, overridden := ctx.DeviceConfig().OverrideCertificateFor(ctx.ModuleName())
if overridden {
return ":" + certificate
}
return String(a.properties.Certificate)
}
func (a *apexBundle) OutputFiles(tag string) (android.Paths, error) {
switch tag {
case "":
if file, ok := a.outputFiles[imageApex]; ok {
return android.Paths{file}, nil
} else {
return nil, nil
}
case ".flattened":
if a.properties.Flattened {
flattenedApexPath := a.flattenedOutput
return android.Paths{flattenedApexPath}, nil
} else {
return nil, nil
}
default:
return nil, fmt.Errorf("unsupported module reference tag %q", tag)
}
}
func (a *apexBundle) installable() bool {
return !a.properties.PreventInstall && (a.properties.Installable == nil || proptools.Bool(a.properties.Installable))
}
func (a *apexBundle) getImageVariation(config android.DeviceConfig) string {
if a.vndkApex {
return "vendor." + a.vndkVersion(config)
}
if config.VndkVersion() != "" && proptools.Bool(a.properties.Use_vendor) {
return "vendor." + config.PlatformVndkVersion()
} else {
return "core"
}
}
func (a *apexBundle) EnableSanitizer(sanitizerName string) {
if !android.InList(sanitizerName, a.properties.SanitizerNames) {
a.properties.SanitizerNames = append(a.properties.SanitizerNames, sanitizerName)
}
}
func (a *apexBundle) IsSanitizerEnabled(ctx android.BaseModuleContext, sanitizerName string) bool {
if android.InList(sanitizerName, a.properties.SanitizerNames) {
return true
}
// Then follow the global setting
globalSanitizerNames := []string{}
if a.Host() {
globalSanitizerNames = ctx.Config().SanitizeHost()
} else {
arches := ctx.Config().SanitizeDeviceArch()
if len(arches) == 0 || android.InList(a.Arch().ArchType.Name, arches) {
globalSanitizerNames = ctx.Config().SanitizeDevice()
}
}
return android.InList(sanitizerName, globalSanitizerNames)
}
func (a *apexBundle) IsNativeCoverageNeeded(ctx android.BaseModuleContext) bool {
return ctx.Device() && ctx.DeviceConfig().NativeCoverageEnabled()
}
func (a *apexBundle) PreventInstall() {
a.properties.PreventInstall = true
}
func (a *apexBundle) HideFromMake() {
a.properties.HideFromMake = true
}
func (a *apexBundle) SetFlattened(flattened bool) {
a.properties.Flattened = flattened
}
func (a *apexBundle) SetFlattenedConfigValue() {
a.properties.FlattenedConfigValue = true
}
// isFlattenedVariant returns true when the current module is the flattened
// variant of an apex that has both a flattened and an unflattened variant.
// It returns false when the current module is flattened but there is no
// unflattened variant, which occurs when ctx.Config().FlattenedApex() returns
// true. It can be used to avoid collisions between the install paths of the
// flattened and unflattened variants.
func (a *apexBundle) isFlattenedVariant() bool {
return a.properties.Flattened && !a.properties.FlattenedConfigValue
}
func getCopyManifestForNativeLibrary(ccMod *cc.Module, config android.Config, handleSpecialLibs bool) (fileToCopy android.Path, dirInApex string) {
// Decide the APEX-local directory by the multilib of the library
// In the future, we may query this to the module.
switch ccMod.Arch().ArchType.Multilib {
case "lib32":
dirInApex = "lib"
case "lib64":
dirInApex = "lib64"
}
dirInApex = filepath.Join(dirInApex, ccMod.RelativeInstallPath())
if ccMod.Target().NativeBridge == android.NativeBridgeEnabled {
dirInApex = filepath.Join(dirInApex, ccMod.Target().NativeBridgeRelativePath)
}
if handleSpecialLibs && cc.InstallToBootstrap(ccMod.BaseModuleName(), config) {
// Special case for Bionic libs and other libs installed with them. This is
// to prevent those libs from being included in the search path
// /apex/com.android.runtime/${LIB}. This exclusion is required because
// those libs in the Runtime APEX are available via the legacy paths in
// /system/lib/. By the init process, the libs in the APEX are bind-mounted
// to the legacy paths and thus will be loaded into the default linker
// namespace (aka "platform" namespace). If the libs are directly in
// /apex/com.android.runtime/${LIB} then the same libs will be loaded again
// into the runtime linker namespace, which will result in double loading of
// them, which isn't supported.
dirInApex = filepath.Join(dirInApex, "bionic")
}
fileToCopy = ccMod.OutputFile().Path()
return
}
func getCopyManifestForExecutable(cc *cc.Module) (fileToCopy android.Path, dirInApex string) {
dirInApex = filepath.Join("bin", cc.RelativeInstallPath())
if cc.Target().NativeBridge == android.NativeBridgeEnabled {
dirInApex = filepath.Join(dirInApex, cc.Target().NativeBridgeRelativePath)
}
fileToCopy = cc.OutputFile().Path()
return
}
func getCopyManifestForPyBinary(py *python.Module) (fileToCopy android.Path, dirInApex string) {
dirInApex = "bin"
fileToCopy = py.HostToolPath().Path()
return
}
func getCopyManifestForGoBinary(ctx android.ModuleContext, gb bootstrap.GoBinaryTool) (fileToCopy android.Path, dirInApex string) {
dirInApex = "bin"
s, err := filepath.Rel(android.PathForOutput(ctx).String(), gb.InstallPath())
if err != nil {
ctx.ModuleErrorf("Unable to use compiled binary at %s", gb.InstallPath())
return
}
fileToCopy = android.PathForOutput(ctx, s)
return
}
func getCopyManifestForShBinary(sh *android.ShBinary) (fileToCopy android.Path, dirInApex string) {
dirInApex = filepath.Join("bin", sh.SubDir())
fileToCopy = sh.OutputFile()
return
}
func getCopyManifestForJavaLibrary(java *java.Library) (fileToCopy android.Path, dirInApex string) {
dirInApex = "javalib"
fileToCopy = java.DexJarFile()
return
}
func getCopyManifestForPrebuiltJavaLibrary(java *java.Import) (fileToCopy android.Path, dirInApex string) {
dirInApex = "javalib"
// The output is only one, but for some reason, ImplementationJars returns Paths, not Path
implJars := java.ImplementationJars()
if len(implJars) != 1 {
panic(fmt.Errorf("java.ImplementationJars() must return single Path, but got: %s",
strings.Join(implJars.Strings(), ", ")))
}
fileToCopy = implJars[0]
return
}
func getCopyManifestForPrebuiltEtc(prebuilt *android.PrebuiltEtc) (fileToCopy android.Path, dirInApex string) {
dirInApex = filepath.Join("etc", prebuilt.SubDir())
fileToCopy = prebuilt.OutputFile()
return
}
func getCopyManifestForAndroidApp(app *java.AndroidApp, pkgName string) (fileToCopy android.Path, dirInApex string) {
appDir := "app"
if app.Privileged() {
appDir = "priv-app"
}
dirInApex = filepath.Join(appDir, pkgName)
fileToCopy = app.OutputFile()
return
}
func getCopyManifestForAndroidAppImport(app *java.AndroidAppImport, pkgName string) (fileToCopy android.Path, dirInApex string) {
appDir := "app"
if app.Privileged() {
appDir = "priv-app"
}
dirInApex = filepath.Join(appDir, pkgName)
fileToCopy = app.OutputFile()
return
}
// Context "decorator", overriding the InstallBypassMake method to always reply `true`.
type flattenedApexContext struct {
android.ModuleContext
}
func (c *flattenedApexContext) InstallBypassMake() bool {
return true
}
func (a *apexBundle) GenerateAndroidBuildActions(ctx android.ModuleContext) {
filesInfo := []apexFile{}
if a.properties.Payload_type == nil || *a.properties.Payload_type == "image" {
a.apexTypes = imageApex
} else if *a.properties.Payload_type == "zip" {
a.apexTypes = zipApex
} else if *a.properties.Payload_type == "both" {
a.apexTypes = both
} else {
ctx.PropertyErrorf("type", "%q is not one of \"image\", \"zip\", or \"both\".", *a.properties.Payload_type)
return
}
if len(a.properties.Tests) > 0 && !a.testApex {
ctx.PropertyErrorf("tests", "property not allowed in apex module type")
return
}
handleSpecialLibs := !android.Bool(a.properties.Ignore_system_library_special_case)
// native lib dependencies
var provideNativeLibs []string
var requireNativeLibs []string
// Check if "uses" requirements are met with dependent apexBundles
var providedNativeSharedLibs []string
useVendor := proptools.Bool(a.properties.Use_vendor)
ctx.VisitDirectDepsBlueprint(func(m blueprint.Module) {
if ctx.OtherModuleDependencyTag(m) != usesTag {
return
}
otherName := ctx.OtherModuleName(m)
other, ok := m.(*apexBundle)
if !ok {
ctx.PropertyErrorf("uses", "%q is not a provider", otherName)
return
}
if proptools.Bool(other.properties.Use_vendor) != useVendor {
ctx.PropertyErrorf("use_vendor", "%q has different value of use_vendor", otherName)
return
}
if !proptools.Bool(other.properties.Provide_cpp_shared_libs) {
ctx.PropertyErrorf("uses", "%q does not provide native_shared_libs", otherName)
return
}
providedNativeSharedLibs = append(providedNativeSharedLibs, other.properties.Native_shared_libs...)
})
ctx.WalkDepsBlueprint(func(child, parent blueprint.Module) bool {
depTag := ctx.OtherModuleDependencyTag(child)
depName := ctx.OtherModuleName(child)
if _, ok := parent.(*apexBundle); ok {
// direct dependencies
switch depTag {
case sharedLibTag:
if cc, ok := child.(*cc.Module); ok {
if cc.HasStubsVariants() {
provideNativeLibs = append(provideNativeLibs, cc.OutputFile().Path().Base())
}
fileToCopy, dirInApex := getCopyManifestForNativeLibrary(cc, ctx.Config(), handleSpecialLibs)
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, nativeSharedLib, cc, nil})
return true
} else {
ctx.PropertyErrorf("native_shared_libs", "%q is not a cc_library or cc_library_shared module", depName)
}
case executableTag:
if cc, ok := child.(*cc.Module); ok {
fileToCopy, dirInApex := getCopyManifestForExecutable(cc)
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, nativeExecutable, cc, cc.Symlinks()})
return true
} else if sh, ok := child.(*android.ShBinary); ok {
fileToCopy, dirInApex := getCopyManifestForShBinary(sh)
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, shBinary, sh, sh.Symlinks()})
} else if py, ok := child.(*python.Module); ok && py.HostToolPath().Valid() {
fileToCopy, dirInApex := getCopyManifestForPyBinary(py)
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, pyBinary, py, nil})
} else if gb, ok := child.(bootstrap.GoBinaryTool); ok && a.Host() {
fileToCopy, dirInApex := getCopyManifestForGoBinary(ctx, gb)
// NB: Since go binaries are static we don't need the module for anything here, which is
// good since the go tool is a blueprint.Module not an android.Module like we would
// normally use.
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, goBinary, nil, nil})
} else {
ctx.PropertyErrorf("binaries", "%q is neither cc_binary, (embedded) py_binary, (host) blueprint_go_binary, (host) bootstrap_go_binary, nor sh_binary", depName)
}
case javaLibTag:
if javaLib, ok := child.(*java.Library); ok {
fileToCopy, dirInApex := getCopyManifestForJavaLibrary(javaLib)
if fileToCopy == nil {
ctx.PropertyErrorf("java_libs", "%q is not configured to be compiled into dex", depName)
} else {
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, javaSharedLib, javaLib, nil})
}
return true
} else if javaLib, ok := child.(*java.Import); ok {
fileToCopy, dirInApex := getCopyManifestForPrebuiltJavaLibrary(javaLib)
if fileToCopy == nil {
ctx.PropertyErrorf("java_libs", "%q does not have a jar output", depName)
} else {
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, javaSharedLib, javaLib, nil})
}
return true
} else {
ctx.PropertyErrorf("java_libs", "%q of type %q is not supported", depName, ctx.OtherModuleType(child))
}
case prebuiltTag:
if prebuilt, ok := child.(*android.PrebuiltEtc); ok {
fileToCopy, dirInApex := getCopyManifestForPrebuiltEtc(prebuilt)
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, etc, prebuilt, nil})
return true
} else {
ctx.PropertyErrorf("prebuilts", "%q is not a prebuilt_etc module", depName)
}
case testTag:
if ccTest, ok := child.(*cc.Module); ok {
if ccTest.IsTestPerSrcAllTestsVariation() {
// Multiple-output test module (where `test_per_src: true`).
//
// `ccTest` is the "" ("all tests") variation of a `test_per_src` module.
// We do not add this variation to `filesInfo`, as it has no output;
// however, we do add the other variations of this module as indirect
// dependencies (see below).
return true
} else {
// Single-output test module (where `test_per_src: false`).
fileToCopy, dirInApex := getCopyManifestForExecutable(ccTest)
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, nativeTest, ccTest, nil})
}
return true
} else {
ctx.PropertyErrorf("tests", "%q is not a cc module", depName)
}
case keyTag:
if key, ok := child.(*apexKey); ok {
a.private_key_file = key.private_key_file
a.public_key_file = key.public_key_file
return false
} else {
ctx.PropertyErrorf("key", "%q is not an apex_key module", depName)
}
case certificateTag:
if dep, ok := child.(*java.AndroidAppCertificate); ok {
a.container_certificate_file = dep.Certificate.Pem
a.container_private_key_file = dep.Certificate.Key
return false
} else {
ctx.ModuleErrorf("certificate dependency %q must be an android_app_certificate module", depName)
}
case android.PrebuiltDepTag:
// If the prebuilt is force disabled, remember to delete the prebuilt file
// that might have been installed in the previous builds
if prebuilt, ok := child.(*Prebuilt); ok && prebuilt.isForceDisabled() {
a.prebuiltFileToDelete = prebuilt.InstallFilename()
}
case androidAppTag:
if ap, ok := child.(*java.AndroidApp); ok {
fileToCopy, dirInApex := getCopyManifestForAndroidApp(ap, ctx.DeviceConfig().OverridePackageNameFor(depName))
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, app, ap, nil})
return true
} else if ap, ok := child.(*java.AndroidAppImport); ok {
fileToCopy, dirInApex := getCopyManifestForAndroidAppImport(ap, ctx.DeviceConfig().OverridePackageNameFor(depName))
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, app, ap, nil})
} else {
ctx.PropertyErrorf("apps", "%q is not an android_app module", depName)
}
}
} else {
// indirect dependencies
if am, ok := child.(android.ApexModule); ok {
// We cannot use a switch statement on `depTag` here as the checked
// tags used below are private (e.g. `cc.sharedDepTag`).
if cc.IsSharedDepTag(depTag) || cc.IsRuntimeDepTag(depTag) {
if cc, ok := child.(*cc.Module); ok {
if android.InList(cc.Name(), providedNativeSharedLibs) {
// If we're using a shared library which is provided from other APEX,
// don't include it in this APEX
return false
}
if !a.Host() && (cc.IsStubs() || cc.HasStubsVariants()) {
// If the dependency is a stubs lib, don't include it in this APEX,
// but make sure that the lib is installed on the device.
// In case no APEX is having the lib, the lib is installed to the system
// partition.
//
// Always include if we are a host-apex however since those won't have any
// system libraries.
if !android.DirectlyInAnyApex(ctx, cc.Name()) && !android.InList(cc.Name(), a.externalDeps) {
a.externalDeps = append(a.externalDeps, cc.Name())
}
requireNativeLibs = append(requireNativeLibs, cc.OutputFile().Path().Base())
// Don't track further
return false
}
fileToCopy, dirInApex := getCopyManifestForNativeLibrary(cc, ctx.Config(), handleSpecialLibs)
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, nativeSharedLib, cc, nil})
return true
}
} else if cc.IsTestPerSrcDepTag(depTag) {
if cc, ok := child.(*cc.Module); ok {
fileToCopy, dirInApex := getCopyManifestForExecutable(cc)
// Handle modules created as `test_per_src` variations of a single test module:
// use the name of the generated test binary (`fileToCopy`) instead of the name
// of the original test module (`depName`, shared by all `test_per_src`
// variations of that module).
moduleName := filepath.Base(fileToCopy.String())
filesInfo = append(filesInfo, apexFile{fileToCopy, moduleName, dirInApex, nativeTest, cc, nil})
return true
}
} else if am.CanHaveApexVariants() && am.IsInstallableToApex() {
ctx.ModuleErrorf("unexpected tag %q for indirect dependency %q", depTag, depName)
}
}
}
return false
})
if a.private_key_file == nil {
ctx.PropertyErrorf("key", "private_key for %q could not be found", String(a.properties.Key))
return
}
// remove duplicates in filesInfo
removeDup := func(filesInfo []apexFile) []apexFile {
encountered := make(map[string]bool)
result := []apexFile{}
for _, f := range filesInfo {
dest := filepath.Join(f.installDir, f.builtFile.Base())
if !encountered[dest] {
encountered[dest] = true
result = append(result, f)
}
}
return result
}
filesInfo = removeDup(filesInfo)
// to have consistent build rules
sort.Slice(filesInfo, func(i, j int) bool {
return filesInfo[i].builtFile.String() < filesInfo[j].builtFile.String()
})
// check apex_available requirements
if !ctx.Host() {
for _, fi := range filesInfo {
if am, ok := fi.module.(android.ApexModule); ok {
if !am.AvailableFor(ctx.ModuleName()) {
ctx.ModuleErrorf("requires %q that is not available for the APEX", fi.module.Name())
return
}
}
}
}
// prepend the name of this APEX to the module names. These names will be the names of
// modules that will be defined if the APEX is flattened.
for i := range filesInfo {
filesInfo[i].moduleName = filesInfo[i].moduleName + "." + ctx.ModuleName()
}
a.installDir = android.PathForModuleInstall(ctx, "apex")
a.filesInfo = filesInfo
// prepare apex_manifest.json
a.manifestOut = android.PathForModuleOut(ctx, "apex_manifest.json")
manifestSrc := android.PathForModuleSrc(ctx, proptools.StringDefault(a.properties.Manifest, "apex_manifest.json"))
// put dependency({provide|require}NativeLibs) in apex_manifest.json
provideNativeLibs = android.SortedUniqueStrings(provideNativeLibs)
requireNativeLibs = android.SortedUniqueStrings(android.RemoveListFromList(requireNativeLibs, provideNativeLibs))
// apex name can be overridden
optCommands := []string{}
if a.properties.Apex_name != nil {
optCommands = append(optCommands, "-v name "+*a.properties.Apex_name)
}
ctx.Build(pctx, android.BuildParams{
Rule: apexManifestRule,
Input: manifestSrc,
Output: a.manifestOut,
Args: map[string]string{
"provideNativeLibs": strings.Join(provideNativeLibs, " "),
"requireNativeLibs": strings.Join(requireNativeLibs, " "),
"opt": strings.Join(optCommands, " "),
},
})
// Temporarily wrap the original `ctx` into a `flattenedApexContext` to have it
// reply true to `InstallBypassMake()` (thus making the call
// `android.PathForModuleInstall` below use `android.pathForInstallInMakeDir`
// instead of `android.PathForOutput`) to return the correct path to the flattened
// APEX (as its contents is installed by Make, not Soong).
factx := flattenedApexContext{ctx}
apexName := proptools.StringDefault(a.properties.Apex_name, ctx.ModuleName())
a.flattenedOutput = android.PathForModuleInstall(&factx, "apex", apexName)
if a.apexTypes.zip() {
a.buildUnflattenedApex(ctx, zipApex)
}
if a.apexTypes.image() {
// Build rule for unflattened APEX is created even when ctx.Config().FlattenApex()
// is true. This is to support referencing APEX via ":<module_name>" syntax
// in other modules. It is in AndroidMk where the selection of flattened
// or unflattened APEX is made.
a.buildUnflattenedApex(ctx, imageApex)
a.buildFlattenedApex(ctx)
}
a.compatSymlinks = makeCompatSymlinks(apexName, ctx)
}
func (a *apexBundle) buildNoticeFile(ctx android.ModuleContext, apexFileName string) android.OptionalPath {
noticeFiles := []android.Path{}
for _, f := range a.filesInfo {
if f.module != nil {
notice := f.module.NoticeFile()
if notice.Valid() {
noticeFiles = append(noticeFiles, notice.Path())
}
}
}
// append the notice file specified in the apex module itself
if a.NoticeFile().Valid() {
noticeFiles = append(noticeFiles, a.NoticeFile().Path())
}
if len(noticeFiles) == 0 {
return android.OptionalPath{}
}
return android.BuildNoticeOutput(ctx, a.installDir, apexFileName, android.FirstUniquePaths(noticeFiles)).HtmlGzOutput
}
func (a *apexBundle) buildUnflattenedApex(ctx android.ModuleContext, apexType apexPackaging) {
cert := String(a.properties.Certificate)
if cert != "" && android.SrcIsModule(cert) == "" {
defaultDir := ctx.Config().DefaultAppCertificateDir(ctx)
a.container_certificate_file = defaultDir.Join(ctx, cert+".x509.pem")
a.container_private_key_file = defaultDir.Join(ctx, cert+".pk8")
} else if cert == "" {
pem, key := ctx.Config().DefaultAppCertificate(ctx)
a.container_certificate_file = pem
a.container_private_key_file = key
}
var abis []string
for _, target := range ctx.MultiTargets() {
if len(target.Arch.Abi) > 0 {
abis = append(abis, target.Arch.Abi[0])
}
}
abis = android.FirstUniqueStrings(abis)
suffix := apexType.suffix()
unsignedOutputFile := android.PathForModuleOut(ctx, ctx.ModuleName()+suffix+".unsigned")
filesToCopy := []android.Path{}
for _, f := range a.filesInfo {
filesToCopy = append(filesToCopy, f.builtFile)
}
copyCommands := []string{}
emitCommands := []string{}
imageContentFile := android.PathForModuleOut(ctx, ctx.ModuleName()+"-content.txt")
emitCommands = append(emitCommands, "echo ./apex_manifest.json >> "+imageContentFile.String())
for i, src := range filesToCopy {
dest := filepath.Join(a.filesInfo[i].installDir, src.Base())
emitCommands = append(emitCommands, "echo './"+dest+"' >> "+imageContentFile.String())
dest_path := filepath.Join(android.PathForModuleOut(ctx, "image"+suffix).String(), dest)
copyCommands = append(copyCommands, "mkdir -p "+filepath.Dir(dest_path))
copyCommands = append(copyCommands, "cp "+src.String()+" "+dest_path)
for _, sym := range a.filesInfo[i].symlinks {
symlinkDest := filepath.Join(filepath.Dir(dest_path), sym)
copyCommands = append(copyCommands, "ln -s "+filepath.Base(dest)+" "+symlinkDest)
}
}
emitCommands = append(emitCommands, "sort -o "+imageContentFile.String()+" "+imageContentFile.String())
implicitInputs := append(android.Paths(nil), filesToCopy...)
implicitInputs = append(implicitInputs, a.manifestOut)
if a.properties.Whitelisted_files != nil {
ctx.Build(pctx, android.BuildParams{
Rule: emitApexContentRule,
Implicits: implicitInputs,
Output: imageContentFile,
Description: "emit apex image content",
Args: map[string]string{
"emit_commands": strings.Join(emitCommands, " && "),
},
})
implicitInputs = append(implicitInputs, imageContentFile)
whitelistedFilesFile := android.PathForModuleSrc(ctx, proptools.String(a.properties.Whitelisted_files))
phonyOutput := android.PathForModuleOut(ctx, ctx.ModuleName()+"-diff-phony-output")
ctx.Build(pctx, android.BuildParams{
Rule: diffApexContentRule,
Implicits: implicitInputs,
Output: phonyOutput,
Description: "diff apex image content",
Args: map[string]string{
"whitelisted_files_file": whitelistedFilesFile.String(),
"image_content_file": imageContentFile.String(),
"apex_module_name": ctx.ModuleName(),
},
})
implicitInputs = append(implicitInputs, phonyOutput)
}
outHostBinDir := android.PathForOutput(ctx, "host", ctx.Config().PrebuiltOS(), "bin").String()
prebuiltSdkToolsBinDir := filepath.Join("prebuilts", "sdk", "tools", runtime.GOOS, "bin")
if apexType.image() {
// files and dirs that will be created in APEX
var readOnlyPaths []string
var executablePaths []string // this also includes dirs
for _, f := range a.filesInfo {
pathInApex := filepath.Join(f.installDir, f.builtFile.Base())
if f.installDir == "bin" || strings.HasPrefix(f.installDir, "bin/") {
executablePaths = append(executablePaths, pathInApex)
for _, s := range f.symlinks {
executablePaths = append(executablePaths, filepath.Join(f.installDir, s))
}
} else {
readOnlyPaths = append(readOnlyPaths, pathInApex)
}
dir := f.installDir
for !android.InList(dir, executablePaths) && dir != "" {
executablePaths = append(executablePaths, dir)
dir, _ = filepath.Split(dir) // move up to the parent
if len(dir) > 0 {
// remove trailing slash
dir = dir[:len(dir)-1]
}
}
}
sort.Strings(readOnlyPaths)
sort.Strings(executablePaths)
cannedFsConfig := android.PathForModuleOut(ctx, "canned_fs_config")
ctx.Build(pctx, android.BuildParams{
Rule: generateFsConfig,
Output: cannedFsConfig,
Description: "generate fs config",
Args: map[string]string{
"ro_paths": strings.Join(readOnlyPaths, " "),
"exec_paths": strings.Join(executablePaths, " "),
},
})
fcName := proptools.StringDefault(a.properties.File_contexts, ctx.ModuleName())
fileContextsPath := "system/sepolicy/apex/" + fcName + "-file_contexts"
fileContextsOptionalPath := android.ExistentPathForSource(ctx, fileContextsPath)
if !fileContextsOptionalPath.Valid() {
ctx.ModuleErrorf("Cannot find file_contexts file: %q", fileContextsPath)
return
}
fileContexts := fileContextsOptionalPath.Path()
optFlags := []string{}
// Additional implicit inputs.
implicitInputs = append(implicitInputs, cannedFsConfig, fileContexts, a.private_key_file, a.public_key_file)
optFlags = append(optFlags, "--pubkey "+a.public_key_file.String())
manifestPackageName, overridden := ctx.DeviceConfig().OverrideManifestPackageNameFor(ctx.ModuleName())
if overridden {
optFlags = append(optFlags, "--override_apk_package_name "+manifestPackageName)
}
if a.properties.AndroidManifest != nil {
androidManifestFile := android.PathForModuleSrc(ctx, proptools.String(a.properties.AndroidManifest))
implicitInputs = append(implicitInputs, androidManifestFile)
optFlags = append(optFlags, "--android_manifest "+androidManifestFile.String())
}
targetSdkVersion := ctx.Config().DefaultAppTargetSdk()
if targetSdkVersion == ctx.Config().PlatformSdkCodename() &&
ctx.Config().UnbundledBuild() &&
!ctx.Config().UnbundledBuildUsePrebuiltSdks() &&
ctx.Config().IsEnvTrue("UNBUNDLED_BUILD_TARGET_SDK_WITH_API_FINGERPRINT") {
apiFingerprint := java.ApiFingerprintPath(ctx)
targetSdkVersion += fmt.Sprintf(".$$(cat %s)", apiFingerprint.String())
implicitInputs = append(implicitInputs, apiFingerprint)
}
optFlags = append(optFlags, "--target_sdk_version "+targetSdkVersion)
noticeFile := a.buildNoticeFile(ctx, ctx.ModuleName()+suffix)
if noticeFile.Valid() {
// If there's a NOTICE file, embed it as an asset file in the APEX.
implicitInputs = append(implicitInputs, noticeFile.Path())
optFlags = append(optFlags, "--assets_dir "+filepath.Dir(noticeFile.String()))
}
if !ctx.Config().UnbundledBuild() && a.installable() {
// Apexes which are supposed to be installed in builtin dirs(/system, etc)
// don't need hashtree for activation. Therefore, by removing hashtree from
// apex bundle (filesystem image in it, to be specific), we can save storage.
optFlags = append(optFlags, "--no_hashtree")
}
if a.properties.Apex_name != nil {
// If apex_name is set, apexer can skip checking if key name matches with apex name.
// Note that apex_manifest is also mended.
optFlags = append(optFlags, "--do_not_check_keyname")
}
ctx.Build(pctx, android.BuildParams{
Rule: apexRule,
Implicits: implicitInputs,
Output: unsignedOutputFile,
Description: "apex (" + apexType.name() + ")",
Args: map[string]string{
"tool_path": outHostBinDir + ":" + prebuiltSdkToolsBinDir,
"image_dir": android.PathForModuleOut(ctx, "image"+suffix).String(),
"copy_commands": strings.Join(copyCommands, " && "),
"manifest": a.manifestOut.String(),
"file_contexts": fileContexts.String(),
"canned_fs_config": cannedFsConfig.String(),
"key": a.private_key_file.String(),
"opt_flags": strings.Join(optFlags, " "),
},
})
apexProtoFile := android.PathForModuleOut(ctx, ctx.ModuleName()+".pb"+suffix)
bundleModuleFile := android.PathForModuleOut(ctx, ctx.ModuleName()+suffix+"-base.zip")
a.bundleModuleFile = bundleModuleFile
ctx.Build(pctx, android.BuildParams{
Rule: apexProtoConvertRule,
Input: unsignedOutputFile,
Output: apexProtoFile,
Description: "apex proto convert",
})
ctx.Build(pctx, android.BuildParams{
Rule: apexBundleRule,
Input: apexProtoFile,
Output: a.bundleModuleFile,
Description: "apex bundle module",
Args: map[string]string{
"abi": strings.Join(abis, "."),
},
})
} else {
ctx.Build(pctx, android.BuildParams{
Rule: zipApexRule,
Implicits: implicitInputs,
Output: unsignedOutputFile,
Description: "apex (" + apexType.name() + ")",
Args: map[string]string{
"tool_path": outHostBinDir + ":" + prebuiltSdkToolsBinDir,
"image_dir": android.PathForModuleOut(ctx, "image"+suffix).String(),
"copy_commands": strings.Join(copyCommands, " && "),
"manifest": a.manifestOut.String(),
},
})
}
a.outputFiles[apexType] = android.PathForModuleOut(ctx, ctx.ModuleName()+suffix)
ctx.Build(pctx, android.BuildParams{
Rule: java.Signapk,
Description: "signapk",
Output: a.outputFiles[apexType],
Input: unsignedOutputFile,
Implicits: []android.Path{
a.container_certificate_file,
a.container_private_key_file,
},
Args: map[string]string{
"certificates": a.container_certificate_file.String() + " " + a.container_private_key_file.String(),
"flags": "-a 4096", //alignment
},
})
// Install to $OUT/soong/{target,host}/.../apex
if a.installable() && (!ctx.Config().FlattenApex() || apexType.zip()) && !a.isFlattenedVariant() {
ctx.InstallFile(a.installDir, ctx.ModuleName()+suffix, a.outputFiles[apexType])
}
}
func (a *apexBundle) buildFlattenedApex(ctx android.ModuleContext) {
if a.installable() {
// For flattened APEX, do nothing but make sure that apex_manifest.json and apex_pubkey are also copied along
// with other ordinary files.
a.filesInfo = append(a.filesInfo, apexFile{a.manifestOut, "apex_manifest.json." + ctx.ModuleName(), ".", etc, nil, nil})
// rename to apex_pubkey
copiedPubkey := android.PathForModuleOut(ctx, "apex_pubkey")
ctx.Build(pctx, android.BuildParams{
Rule: android.Cp,
Input: a.public_key_file,
Output: copiedPubkey,
})
a.filesInfo = append(a.filesInfo, apexFile{copiedPubkey, "apex_pubkey." + ctx.ModuleName(), ".", etc, nil, nil})
if ctx.Config().FlattenApex() {
apexName := proptools.StringDefault(a.properties.Apex_name, ctx.ModuleName())
for _, fi := range a.filesInfo {
dir := filepath.Join("apex", apexName, fi.installDir)
target := ctx.InstallFile(android.PathForModuleInstall(ctx, dir), fi.builtFile.Base(), fi.builtFile)
for _, sym := range fi.symlinks {
ctx.InstallSymlink(android.PathForModuleInstall(ctx, dir), sym, target)
}
}
}
}
}
func (a *apexBundle) AndroidMk() android.AndroidMkData {
if a.properties.HideFromMake {
return android.AndroidMkData{
Disabled: true,
}
}
writers := []android.AndroidMkData{}
if a.apexTypes.image() {
writers = append(writers, a.androidMkForType(imageApex))
}
if a.apexTypes.zip() {
writers = append(writers, a.androidMkForType(zipApex))
}
return android.AndroidMkData{
Custom: func(w io.Writer, name, prefix, moduleDir string, data android.AndroidMkData) {
for _, data := range writers {
data.Custom(w, name, prefix, moduleDir, data)
}
}}
}
func (a *apexBundle) androidMkForFiles(w io.Writer, apexName, moduleDir string, apexType apexPackaging) []string {
moduleNames := []string{}
for _, fi := range a.filesInfo {
if cc, ok := fi.module.(*cc.Module); ok && cc.Properties.HideFromMake {
continue
}
if a.properties.Flattened && !apexType.image() {
continue
}
var suffix string
if a.isFlattenedVariant() {
suffix = ".flattened"
}
if !android.InList(fi.moduleName, moduleNames) {
moduleNames = append(moduleNames, fi.moduleName+suffix)
}
fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)")
fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
fmt.Fprintln(w, "LOCAL_MODULE :=", fi.moduleName+suffix)
// /apex/<apex_name>/{lib|framework|...}
pathWhenActivated := filepath.Join("$(PRODUCT_OUT)", "apex", apexName, fi.installDir)
if a.properties.Flattened && apexType.image() {
// /system/apex/<name>/{lib|framework|...}
fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", filepath.Join(a.installDir.ToMakePath().String(),
apexName, fi.installDir))
if !a.isFlattenedVariant() {
fmt.Fprintln(w, "LOCAL_SOONG_SYMBOL_PATH :=", pathWhenActivated)
}
if len(fi.symlinks) > 0 {
fmt.Fprintln(w, "LOCAL_MODULE_SYMLINKS :=", strings.Join(fi.symlinks, " "))
}
if fi.module != nil && fi.module.NoticeFile().Valid() {
fmt.Fprintln(w, "LOCAL_NOTICE_FILE :=", fi.module.NoticeFile().Path().String())
}
} else {
fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", pathWhenActivated)
}
fmt.Fprintln(w, "LOCAL_PREBUILT_MODULE_FILE :=", fi.builtFile.String())
fmt.Fprintln(w, "LOCAL_MODULE_CLASS :=", fi.class.NameInMake())
if fi.module != nil {
archStr := fi.module.Target().Arch.ArchType.String()
host := false
switch fi.module.Target().Os.Class {
case android.Host:
if fi.module.Target().Arch.ArchType != android.Common {
fmt.Fprintln(w, "LOCAL_MODULE_HOST_ARCH :=", archStr)
}
host = true
case android.HostCross:
if fi.module.Target().Arch.ArchType != android.Common {
fmt.Fprintln(w, "LOCAL_MODULE_HOST_CROSS_ARCH :=", archStr)
}
host = true
case android.Device:
if fi.module.Target().Arch.ArchType != android.Common {
fmt.Fprintln(w, "LOCAL_MODULE_TARGET_ARCH :=", archStr)
}
}
if host {
makeOs := fi.module.Target().Os.String()
if fi.module.Target().Os == android.Linux || fi.module.Target().Os == android.LinuxBionic {
makeOs = "linux"
}
fmt.Fprintln(w, "LOCAL_MODULE_HOST_OS :=", makeOs)
fmt.Fprintln(w, "LOCAL_IS_HOST_MODULE := true")
}
}
if fi.class == javaSharedLib {
javaModule := fi.module.(*java.Library)
// soong_java_prebuilt.mk sets LOCAL_MODULE_SUFFIX := .jar Therefore
// we need to remove the suffix from LOCAL_MODULE_STEM, otherwise
// we will have foo.jar.jar
fmt.Fprintln(w, "LOCAL_MODULE_STEM :=", strings.TrimSuffix(fi.builtFile.Base(), ".jar"))
fmt.Fprintln(w, "LOCAL_SOONG_CLASSES_JAR :=", javaModule.ImplementationAndResourcesJars()[0].String())
fmt.Fprintln(w, "LOCAL_SOONG_HEADER_JAR :=", javaModule.HeaderJars()[0].String())
fmt.Fprintln(w, "LOCAL_SOONG_DEX_JAR :=", fi.builtFile.String())
fmt.Fprintln(w, "LOCAL_DEX_PREOPT := false")
fmt.Fprintln(w, "include $(BUILD_SYSTEM)/soong_java_prebuilt.mk")
} else if fi.class == nativeSharedLib || fi.class == nativeExecutable || fi.class == nativeTest {
fmt.Fprintln(w, "LOCAL_MODULE_STEM :=", fi.builtFile.Base())
if cc, ok := fi.module.(*cc.Module); ok {
if cc.UnstrippedOutputFile() != nil {
fmt.Fprintln(w, "LOCAL_SOONG_UNSTRIPPED_BINARY :=", cc.UnstrippedOutputFile().String())
}
cc.AndroidMkWriteAdditionalDependenciesForSourceAbiDiff(w)
if cc.CoverageOutputFile().Valid() {
fmt.Fprintln(w, "LOCAL_PREBUILT_COVERAGE_ARCHIVE :=", cc.CoverageOutputFile().String())
}
}
fmt.Fprintln(w, "include $(BUILD_SYSTEM)/soong_cc_prebuilt.mk")
} else {
fmt.Fprintln(w, "LOCAL_MODULE_STEM :=", fi.builtFile.Base())
// For flattened apexes, compat symlinks are attached to apex_manifest.json which is guaranteed for every apex
if !a.isFlattenedVariant() && fi.builtFile.Base() == "apex_manifest.json" && len(a.compatSymlinks) > 0 {
fmt.Fprintln(w, "LOCAL_POST_INSTALL_CMD :=", strings.Join(a.compatSymlinks, " && "))
}
fmt.Fprintln(w, "include $(BUILD_PREBUILT)")
}
}
return moduleNames
}
func (a *apexBundle) androidMkForType(apexType apexPackaging) android.AndroidMkData {
return android.AndroidMkData{
Custom: func(w io.Writer, name, prefix, moduleDir string, data android.AndroidMkData) {
moduleNames := []string{}
if a.installable() {
apexName := proptools.StringDefault(a.properties.Apex_name, name)
moduleNames = a.androidMkForFiles(w, apexName, moduleDir, apexType)
}
if a.isFlattenedVariant() {
name = name + ".flattened"
}
if a.properties.Flattened && apexType.image() {
// Only image APEXes can be flattened.
fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)")
fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
fmt.Fprintln(w, "LOCAL_MODULE :=", name)
if len(moduleNames) > 0 {
fmt.Fprintln(w, "LOCAL_REQUIRED_MODULES :=", strings.Join(moduleNames, " "))
}
fmt.Fprintln(w, "include $(BUILD_PHONY_PACKAGE)")
fmt.Fprintln(w, "$(LOCAL_INSTALLED_MODULE): .KATI_IMPLICIT_OUTPUTS :=", a.flattenedOutput.String())
} else if !a.isFlattenedVariant() {
// zip-apex is the less common type so have the name refer to the image-apex
// only and use {name}.zip if you want the zip-apex
if apexType == zipApex && a.apexTypes == both {
name = name + ".zip"
}
fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)")
fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
fmt.Fprintln(w, "LOCAL_MODULE :=", name)
fmt.Fprintln(w, "LOCAL_MODULE_CLASS := ETC") // do we need a new class?
fmt.Fprintln(w, "LOCAL_PREBUILT_MODULE_FILE :=", a.outputFiles[apexType].String())
fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", a.installDir.ToMakePath().String())
fmt.Fprintln(w, "LOCAL_MODULE_STEM :=", name+apexType.suffix())
fmt.Fprintln(w, "LOCAL_UNINSTALLABLE_MODULE :=", !a.installable())
if len(moduleNames) > 0 {
fmt.Fprintln(w, "LOCAL_REQUIRED_MODULES +=", strings.Join(moduleNames, " "))
}
if len(a.externalDeps) > 0 {
fmt.Fprintln(w, "LOCAL_REQUIRED_MODULES +=", strings.Join(a.externalDeps, " "))
}
var postInstallCommands []string
if a.prebuiltFileToDelete != "" {
postInstallCommands = append(postInstallCommands, "rm -rf "+
filepath.Join(a.installDir.ToMakePath().String(), a.prebuiltFileToDelete))
}
// For unflattened apexes, compat symlinks are attached to apex package itself as LOCAL_POST_INSTALL_CMD
postInstallCommands = append(postInstallCommands, a.compatSymlinks...)
if len(postInstallCommands) > 0 {
fmt.Fprintln(w, "LOCAL_POST_INSTALL_CMD :=", strings.Join(postInstallCommands, " && "))
}
fmt.Fprintln(w, "include $(BUILD_PREBUILT)")
if apexType == imageApex {
fmt.Fprintln(w, "ALL_MODULES.$(LOCAL_MODULE).BUNDLE :=", a.bundleModuleFile.String())
}
}
}}
}
func newApexBundle() *apexBundle {
module := &apexBundle{
outputFiles: map[apexPackaging]android.WritablePath{},
}
module.AddProperties(&module.properties)
module.AddProperties(&module.targetProperties)
module.Prefer32(func(ctx android.BaseModuleContext, base *android.ModuleBase, class android.OsClass) bool {
return class == android.Device && ctx.Config().DevicePrefer32BitExecutables()
})
android.InitAndroidMultiTargetsArchModule(module, android.HostAndDeviceSupported, android.MultilibCommon)
android.InitDefaultableModule(module)
android.InitSdkAwareModule(module)
return module
}
func ApexBundleFactory(testApex bool) android.Module {
bundle := newApexBundle()
bundle.testApex = testApex
return bundle
}
func testApexBundleFactory() android.Module {
bundle := newApexBundle()
bundle.testApex = true
return bundle
}
func BundleFactory() android.Module {
return newApexBundle()
}
// apex_vndk creates a special variant of apex modules which contains only VNDK libraries.
// If `vndk_version` is specified, the VNDK libraries of the specified VNDK version are gathered automatically.
// If not specified, then the "current" versions are gathered.
func vndkApexBundleFactory() android.Module {
bundle := newApexBundle()
bundle.vndkApex = true
bundle.AddProperties(&bundle.vndkProperties)
android.AddLoadHook(bundle, func(ctx android.LoadHookContext) {
ctx.AppendProperties(&struct {
Compile_multilib *string
}{
proptools.StringPtr("both"),
})
})
return bundle
}
func (a *apexBundle) vndkVersion(config android.DeviceConfig) string {
vndkVersion := proptools.StringDefault(a.vndkProperties.Vndk_version, "current")
if vndkVersion == "current" {
vndkVersion = config.PlatformVndkVersion()
}
return vndkVersion
}
//
// Defaults
//
type Defaults struct {
android.ModuleBase
android.DefaultsModuleBase
}
func defaultsFactory() android.Module {
return DefaultsFactory()
}
func DefaultsFactory(props ...interface{}) android.Module {
module := &Defaults{}
module.AddProperties(props...)
module.AddProperties(
&apexBundleProperties{},
&apexTargetBundleProperties{},
)
android.InitDefaultsModule(module)
return module
}
//
// Prebuilt APEX
//
type Prebuilt struct {
android.ModuleBase
prebuilt android.Prebuilt
properties PrebuiltProperties
inputApex android.Path
installDir android.InstallPath
installFilename string
outputApex android.WritablePath
}
type PrebuiltProperties struct {
// the path to the prebuilt .apex file to import.
Source string `blueprint:"mutated"`
ForceDisable bool `blueprint:"mutated"`
Src *string
Arch struct {
Arm struct {
Src *string
}
Arm64 struct {
Src *string
}
X86 struct {
Src *string
}
X86_64 struct {
Src *string
}
}
Installable *bool
// Optional name for the installed apex. If unspecified, name of the
// module is used as the file name
Filename *string
// Names of modules to be overridden. Listed modules can only be other binaries
// (in Make or Soong).
// This does not completely prevent installation of the overridden binaries, but if both
// binaries would be installed by default (in PRODUCT_PACKAGES) the other binary will be removed
// from PRODUCT_PACKAGES.
Overrides []string
}
func (p *Prebuilt) installable() bool {
return p.properties.Installable == nil || proptools.Bool(p.properties.Installable)
}
func (p *Prebuilt) DepsMutator(ctx android.BottomUpMutatorContext) {
// If the device is configured to use flattened APEX, force disable the prebuilt because
// the prebuilt is a non-flattened one.
forceDisable := ctx.Config().FlattenApex()
// Force disable the prebuilts when we are doing unbundled build. We do unbundled build
// to build the prebuilts themselves.
forceDisable = forceDisable || ctx.Config().UnbundledBuild()
// Force disable the prebuilts when coverage is enabled.
forceDisable = forceDisable || ctx.DeviceConfig().NativeCoverageEnabled()
forceDisable = forceDisable || ctx.Config().IsEnvTrue("EMMA_INSTRUMENT")
// b/137216042 don't use prebuilts when address sanitizer is on
forceDisable = forceDisable || android.InList("address", ctx.Config().SanitizeDevice()) ||
android.InList("hwaddress", ctx.Config().SanitizeDevice())
if forceDisable && p.prebuilt.SourceExists() {
p.properties.ForceDisable = true
return
}
// This is called before prebuilt_select and prebuilt_postdeps mutators
// The mutators requires that src to be set correctly for each arch so that
// arch variants are disabled when src is not provided for the arch.
if len(ctx.MultiTargets()) != 1 {
ctx.ModuleErrorf("compile_multilib shouldn't be \"both\" for prebuilt_apex")
return
}
var src string
switch ctx.MultiTargets()[0].Arch.ArchType {
case android.Arm:
src = String(p.properties.Arch.Arm.Src)
case android.Arm64:
src = String(p.properties.Arch.Arm64.Src)
case android.X86:
src = String(p.properties.Arch.X86.Src)
case android.X86_64:
src = String(p.properties.Arch.X86_64.Src)
default:
ctx.ModuleErrorf("prebuilt_apex does not support %q", ctx.MultiTargets()[0].Arch.String())
return
}
if src == "" {
src = String(p.properties.Src)
}
p.properties.Source = src
}
func (p *Prebuilt) isForceDisabled() bool {
return p.properties.ForceDisable
}
func (p *Prebuilt) OutputFiles(tag string) (android.Paths, error) {
switch tag {
case "":
return android.Paths{p.outputApex}, nil
default:
return nil, fmt.Errorf("unsupported module reference tag %q", tag)
}
}
func (p *Prebuilt) InstallFilename() string {
return proptools.StringDefault(p.properties.Filename, p.BaseModuleName()+imageApexSuffix)
}
func (p *Prebuilt) GenerateAndroidBuildActions(ctx android.ModuleContext) {
if p.properties.ForceDisable {
return
}
// TODO(jungjw): Check the key validity.
p.inputApex = p.Prebuilt().SingleSourcePath(ctx)
p.installDir = android.PathForModuleInstall(ctx, "apex")
p.installFilename = p.InstallFilename()
if !strings.HasSuffix(p.installFilename, imageApexSuffix) {
ctx.ModuleErrorf("filename should end in %s for prebuilt_apex", imageApexSuffix)
}
p.outputApex = android.PathForModuleOut(ctx, p.installFilename)
ctx.Build(pctx, android.BuildParams{
Rule: android.Cp,
Input: p.inputApex,
Output: p.outputApex,
})
if p.installable() {
ctx.InstallFile(p.installDir, p.installFilename, p.inputApex)
}
// TODO(b/143192278): Add compat symlinks for prebuilt_apex
}
func (p *Prebuilt) Prebuilt() *android.Prebuilt {
return &p.prebuilt
}
func (p *Prebuilt) Name() string {
return p.prebuilt.Name(p.ModuleBase.Name())
}
func (p *Prebuilt) AndroidMkEntries() android.AndroidMkEntries {
return android.AndroidMkEntries{
Class: "ETC",
OutputFile: android.OptionalPathForPath(p.inputApex),
Include: "$(BUILD_PREBUILT)",
ExtraEntries: []android.AndroidMkExtraEntriesFunc{
func(entries *android.AndroidMkEntries) {
entries.SetString("LOCAL_MODULE_PATH", p.installDir.ToMakePath().String())
entries.SetString("LOCAL_MODULE_STEM", p.installFilename)
entries.SetBoolIfTrue("LOCAL_UNINSTALLABLE_MODULE", !p.installable())
entries.AddStrings("LOCAL_OVERRIDES_PACKAGES", p.properties.Overrides...)
},
},
}
}
// prebuilt_apex imports an `.apex` file into the build graph as if it was built with apex.
func PrebuiltFactory() android.Module {
module := &Prebuilt{}
module.AddProperties(&module.properties)
android.InitSingleSourcePrebuiltModule(module, &module.properties, "Source")
android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon)
return module
}
func makeCompatSymlinks(apexName string, ctx android.ModuleContext) (symlinks []string) {
// small helper to add symlink commands
addSymlink := func(target, dir, linkName string) {
outDir := filepath.Join("$(PRODUCT_OUT)", dir)
link := filepath.Join(outDir, linkName)
symlinks = append(symlinks, "mkdir -p "+outDir+" && rm -rf "+link+" && ln -sf "+target+" "+link)
}
// TODO(b/142911355): [VNDK APEX] Fix hard-coded references to /system/lib/vndk
// When all hard-coded references are fixed, remove symbolic links
// Note that we should keep following symlinks for older VNDKs (<=29)
// Since prebuilt vndk libs still depend on system/lib/vndk path
if strings.HasPrefix(apexName, vndkApexNamePrefix) {
// the name of vndk apex is formatted "com.android.vndk.v" + version
vndkVersion := strings.TrimPrefix(apexName, vndkApexNamePrefix)
if ctx.Config().Android64() {
addSymlink("/apex/"+apexName+"/lib64", "/system/lib64", "vndk-sp-"+vndkVersion)
addSymlink("/apex/"+apexName+"/lib64", "/system/lib64", "vndk-"+vndkVersion)
}
if !ctx.Config().Android64() || ctx.DeviceConfig().DeviceSecondaryArch() != "" {
addSymlink("/apex/"+apexName+"/lib", "/system/lib", "vndk-sp-"+vndkVersion)
addSymlink("/apex/"+apexName+"/lib", "/system/lib", "vndk-"+vndkVersion)
}
}
return
}