platform_build_soong/apex/apex.go

1286 lines
44 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"
"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")
// 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 ${image_dir} && ` +
`(${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}"},
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 ${image_dir} && ` +
`(${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}"},
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`,
CommandDeps: []string{"${zip2zip}"},
Description: "app bundle",
}, "abi")
apexMergeNoticeRule = pctx.StaticRule("apexMergeNoticeRule", blueprint.RuleParams{
Command: `${mergenotice} --output $out $inputs`,
CommandDeps: []string{"${mergenotice}"},
Description: "merge notice files into $out",
}, "inputs")
)
var imageApexSuffix = ".apex"
var zipApexSuffix = ".zipapex"
var imageApexType = "image"
var zipApexType = "zip"
type dependencyTag struct {
blueprint.BaseDependencyTag
name string
}
var (
sharedLibTag = dependencyTag{name: "sharedLib"}
executableTag = dependencyTag{name: "executable"}
javaLibTag = dependencyTag{name: "javaLib"}
prebuiltTag = dependencyTag{name: "prebuilt"}
keyTag = dependencyTag{name: "key"}
certificateTag = dependencyTag{name: "certificate"}
)
func init() {
pctx.Import("android/soong/common")
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.SourcePathVariable("mergenotice", "build/soong/scripts/mergenotice.py")
android.RegisterModuleType("apex", apexBundleFactory)
android.RegisterModuleType("apex_test", testApexBundleFactory)
android.RegisterModuleType("apex_defaults", defaultsFactory)
android.PostDepsMutators(func(ctx android.RegisterMutatorsContext) {
ctx.TopDown("apex_deps", apexDepsMutator)
ctx.BottomUp("apex", apexMutator)
})
}
// 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 _, 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)
}
}
type apexNativeDependencies struct {
// List of native libraries
Native_shared_libs []string
// List of native executables
Binaries []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 in the manifest file.
// 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 native 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
// 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"`
}
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 apexFileClass int
const (
etc apexFileClass = iota
nativeSharedLib
nativeExecutable
shBinary
pyBinary
goBinary
javaSharedLib
)
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("unkonwn 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("unkonwn 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"
default:
panic(fmt.Errorf("unkonwn 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
properties apexBundleProperties
targetProperties apexTargetBundleProperties
apexTypes apexPackaging
bundleModuleFile android.WritablePath
outputFiles map[apexPackaging]android.WritablePath
installDir android.OutputPath
public_key_file android.Path
private_key_file android.Path
bundle_public_key bool
container_certificate_file android.Path
container_private_key_file android.Path
mergedNoticeFile android.WritablePath
// list of files to be included in this apex
filesInfo []apexFile
// list of module names that this APEX is depending on
externalDeps []string
flattened bool
testApex bool
}
func addDependenciesForNativeModules(ctx android.BottomUpMutatorContext,
native_shared_libs []string, binaries []string, arch string, 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([]blueprint.Variation{
{Mutator: "arch", Variation: arch},
{Mutator: "image", Variation: imageVariation},
{Mutator: "link", Variation: "shared"},
{Mutator: "version", Variation: ""}, // "" is the non-stub variant
}, sharedLibTag, native_shared_libs...)
ctx.AddFarVariationDependencies([]blueprint.Variation{
{Mutator: "arch", Variation: arch},
{Mutator: "image", Variation: imageVariation},
}, executableTag, binaries...)
}
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([]blueprint.Variation{
{Mutator: "arch", Variation: target.String()},
{Mutator: "image", Variation: a.getImageVariation(config)},
{Mutator: "link", Variation: "shared"},
}, sharedLibTag, a.properties.Native_shared_libs...)
// Add native modules targetting both ABIs
addDependenciesForNativeModules(ctx,
a.properties.Multilib.Both.Native_shared_libs,
a.properties.Multilib.Both.Binaries, target.String(),
a.getImageVariation(config))
isPrimaryAbi := i == 0
if isPrimaryAbi {
// When multilib.* is omitted for binaries, it implies
// multilib.first.
ctx.AddFarVariationDependencies([]blueprint.Variation{
{Mutator: "arch", Variation: target.String()},
{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, target.String(),
a.getImageVariation(config))
// When multilib.* is omitted for prebuilts, it implies multilib.first.
ctx.AddFarVariationDependencies([]blueprint.Variation{
{Mutator: "arch", Variation: target.String()},
}, 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, target.String(),
a.getImageVariation(config))
addDependenciesForNativeModules(ctx,
a.properties.Multilib.Prefer32.Native_shared_libs,
a.properties.Multilib.Prefer32.Binaries, target.String(),
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, target.String(),
a.getImageVariation(config))
if !has32BitTarget {
addDependenciesForNativeModules(ctx,
a.properties.Multilib.Prefer32.Native_shared_libs,
a.properties.Multilib.Prefer32.Binaries, target.String(),
a.getImageVariation(config))
}
}
}
ctx.AddFarVariationDependencies([]blueprint.Variation{
{Mutator: "arch", Variation: "android_common"},
}, javaLibTag, a.properties.Java_libs...)
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)
}
}
func (a *apexBundle) getCertString(ctx android.BaseContext) string {
certificate, overridden := ctx.DeviceConfig().OverrideCertificateFor(ctx.ModuleName())
if overridden {
return ":" + certificate
}
return String(a.properties.Certificate)
}
func (a *apexBundle) Srcs() android.Paths {
if file, ok := a.outputFiles[imageApex]; ok {
return android.Paths{file}
} else {
return nil
}
}
func (a *apexBundle) installable() bool {
return a.properties.Installable == nil || proptools.Bool(a.properties.Installable)
}
func (a *apexBundle) getImageVariation(config android.DeviceConfig) string {
if config.VndkVersion() != "" && proptools.Bool(a.properties.Use_vendor) {
return "vendor"
} 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 getCopyManifestForNativeLibrary(cc *cc.Module, 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 cc.Arch().ArchType.Multilib {
case "lib32":
dirInApex = "lib"
case "lib64":
dirInApex = "lib64"
}
dirInApex = filepath.Join(dirInApex, cc.RelativeInstallPath())
if !cc.Arch().Native {
dirInApex = filepath.Join(dirInApex, cc.Arch().ArchType.String())
}
if handleSpecialLibs {
switch cc.Name() {
case "libc", "libm", "libdl":
// Special case for bionic libs. This is to prevent the bionic libs
// from being included in the search path /apex/com.android.apex/lib.
// This exclusion is required because bionic libs in the runtime APEX
// are available via the legacy paths /system/lib/libc.so, etc. By the
// init process, the bionic libs in the APEX are bind-mounted to the
// legacy paths and thus will be loaded into the default linker namespace.
// If the bionic libs are directly in /apex/com.android.apex/lib then
// the same libs will be again loaded to the runtime linker namespace,
// which will result double loading of bionic libs that isn't supported.
dirInApex = filepath.Join(dirInApex, "bionic")
}
}
fileToCopy = cc.OutputFile().Path()
return
}
func getCopyManifestForExecutable(cc *cc.Module) (fileToCopy android.Path, dirInApex string) {
dirInApex = filepath.Join("bin", cc.RelativeInstallPath())
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 getCopyManifestForPrebuiltEtc(prebuilt *android.PrebuiltEtc) (fileToCopy android.Path, dirInApex string) {
dirInApex = filepath.Join("etc", prebuilt.SubDir())
fileToCopy = prebuilt.OutputFile()
return
}
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
}
handleSpecialLibs := !android.Bool(a.properties.Ignore_system_library_special_case)
ctx.WalkDepsBlueprint(func(child, parent blueprint.Module) bool {
if _, ok := parent.(*apexBundle); ok {
// direct dependencies
depTag := ctx.OtherModuleDependencyTag(child)
depName := ctx.OtherModuleName(child)
switch depTag {
case sharedLibTag:
if cc, ok := child.(*cc.Module); ok {
fileToCopy, dirInApex := getCopyManifestForNativeLibrary(cc, 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 {
if !cc.Arch().Native {
// There is only one 'bin' directory so we shouldn't bother copying in
// native-bridge'd binaries and only use main ones.
return true
}
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, nil})
} 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 java, ok := child.(*java.Library); ok {
fileToCopy, dirInApex := getCopyManifestForJavaLibrary(java)
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, java, nil})
}
return true
} else {
ctx.PropertyErrorf("java_libs", "%q is not a java_library module", depName)
}
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 keyTag:
if key, ok := child.(*apexKey); ok {
a.private_key_file = key.private_key_file
a.public_key_file = key.public_key_file
// If the key is not installed, bundled it with the APEX.
// Note: this bundled key is valid only for non-production builds
// (eng/userdebug).
a.bundle_public_key = !key.installable() && ctx.Config().Debuggable()
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)
}
}
} else {
// indirect dependencies
if am, ok := child.(android.ApexModule); ok && am.CanHaveApexVariants() && am.IsInstallableToApex() {
if cc, ok := child.(*cc.Module); ok {
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())
}
// Don't track further
return false
}
depName := ctx.OtherModuleName(child)
fileToCopy, dirInApex := getCopyManifestForNativeLibrary(cc, handleSpecialLibs)
filesInfo = append(filesInfo, apexFile{fileToCopy, depName, dirInApex, nativeSharedLib, cc, nil})
return true
}
}
}
return false
})
a.flattened = ctx.Config().FlattenApex() && !ctx.Config().UnbundledBuild()
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[android.Path]bool)
result := []apexFile{}
for _, f := range filesInfo {
if !encountered[f.builtFile] {
encountered[f.builtFile] = 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()
})
// 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 = ctx.ModuleName() + "." + filesInfo[i].moduleName
}
a.installDir = android.PathForModuleInstall(ctx, "apex")
a.filesInfo = filesInfo
a.buildNoticeFile(ctx)
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)
}
}
func (a *apexBundle) buildNoticeFile(ctx android.ModuleContext) {
noticeFiles := []android.Path{}
noticeFilesString := []string{}
for _, f := range a.filesInfo {
if f.module != nil {
notice := f.module.NoticeFile()
if notice.Valid() {
noticeFiles = append(noticeFiles, notice.Path())
noticeFilesString = append(noticeFilesString, notice.Path().String())
}
}
}
// append the notice file specified in the apex module itself
if a.NoticeFile().Valid() {
noticeFiles = append(noticeFiles, a.NoticeFile().Path())
noticeFilesString = append(noticeFilesString, a.NoticeFile().Path().String())
}
if len(noticeFiles) > 0 {
a.mergedNoticeFile = android.PathForModuleOut(ctx, "NOTICE")
ctx.Build(pctx, android.BuildParams{
Rule: apexMergeNoticeRule,
Inputs: noticeFiles,
Output: a.mergedNoticeFile,
Args: map[string]string{
"inputs": strings.Join(noticeFilesString, " "),
},
})
}
}
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
}
manifest := android.PathForModuleSrc(ctx, proptools.StringDefault(a.properties.Manifest, "apex_manifest.json"))
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{}
for i, src := range filesToCopy {
dest := filepath.Join(a.filesInfo[i].installDir, src.Base())
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)
}
}
implicitInputs := append(android.Paths(nil), filesToCopy...)
implicitInputs = append(implicitInputs, manifest)
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" {
executablePaths = append(executablePaths, pathInApex)
for _, s := range f.symlinks {
executablePaths = append(executablePaths, filepath.Join("bin", 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)
if a.bundle_public_key {
implicitInputs = append(implicitInputs, 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())
}
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": manifest.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": manifest.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,
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()) {
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 file is also copied along
// with other ordinary files.
manifest := android.PathForModuleSrc(ctx, proptools.StringDefault(a.properties.Manifest, "apex_manifest.json"))
// rename to apex_manifest.json
copiedManifest := android.PathForModuleOut(ctx, "apex_manifest.json")
ctx.Build(pctx, android.BuildParams{
Rule: android.Cp,
Input: manifest,
Output: copiedManifest,
})
a.filesInfo = append(a.filesInfo, apexFile{copiedManifest, ctx.ModuleName() + ".apex_manifest.json", ".", etc, nil, nil})
if ctx.Config().FlattenApex() {
for _, fi := range a.filesInfo {
dir := filepath.Join("apex", ctx.ModuleName(), 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 {
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, name, 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 !android.InList(fi.moduleName, moduleNames) {
moduleNames = append(moduleNames, fi.moduleName)
}
fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)")
fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
fmt.Fprintln(w, "LOCAL_MODULE :=", fi.moduleName)
// /apex/<name>/{lib|framework|...}
pathWhenActivated := filepath.Join("$(PRODUCT_OUT)", "apex",
proptools.StringDefault(a.properties.Apex_name, name), fi.installDir)
if a.flattened && apexType.image() {
// /system/apex/<name>/{lib|framework|...}
fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", filepath.Join("$(OUT_DIR)",
a.installDir.RelPathString(), name, fi.installDir))
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 archStr != "common" {
fmt.Fprintln(w, "LOCAL_MODULE_HOST_ARCH :=", archStr)
}
host = true
case android.HostCross:
if archStr != "common" {
fmt.Fprintln(w, "LOCAL_MODULE_HOST_CROSS_ARCH :=", archStr)
}
host = true
case android.Device:
if archStr != "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 {
fmt.Fprintln(w, "LOCAL_MODULE_STEM :=", fi.builtFile.Base())
if cc, ok := fi.module.(*cc.Module); ok && cc.UnstrippedOutputFile() != nil {
fmt.Fprintln(w, "LOCAL_SOONG_UNSTRIPPED_BINARY :=", cc.UnstrippedOutputFile().String())
}
fmt.Fprintln(w, "include $(BUILD_SYSTEM)/soong_cc_prebuilt.mk")
} else {
fmt.Fprintln(w, "LOCAL_MODULE_STEM :=", fi.builtFile.Base())
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() {
moduleNames = a.androidMkForFiles(w, name, moduleDir, apexType)
}
if a.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)")
} else {
// 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 $(CLEAR_VARS)")
fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
fmt.Fprintln(w, "LOCAL_MODULE :=", name)
fmt.Fprintln(w, "LOCAL_MODULE_CLASS := ETC") // do we need a new class?
fmt.Fprintln(w, "LOCAL_PREBUILT_MODULE_FILE :=", a.outputFiles[apexType].String())
fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", filepath.Join("$(OUT_DIR)", a.installDir.RelPathString()))
fmt.Fprintln(w, "LOCAL_MODULE_STEM :=", name+apexType.suffix())
fmt.Fprintln(w, "LOCAL_UNINSTALLABLE_MODULE :=", !a.installable())
fmt.Fprintln(w, "LOCAL_REQUIRED_MODULES :=", String(a.properties.Key))
if a.installable() && a.mergedNoticeFile != nil {
fmt.Fprintln(w, "LOCAL_NOTICE_FILE :=", a.mergedNoticeFile.String())
}
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, " "))
}
fmt.Fprintln(w, "include $(BUILD_PREBUILT)")
if apexType == imageApex {
fmt.Fprintln(w, "ALL_MODULES.$(LOCAL_MODULE).BUNDLE :=", a.bundleModuleFile.String())
}
}
}}
}
func testApexBundleFactory() android.Module {
return ApexBundleFactory( /*testApex*/ true)
}
func apexBundleFactory() android.Module {
return ApexBundleFactory( /*testApex*/ false)
}
func ApexBundleFactory(testApex bool) android.Module {
module := &apexBundle{
outputFiles: map[apexPackaging]android.WritablePath{},
testApex: testApex,
}
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)
return module
}
//
// Defaults
//
type Defaults struct {
android.ModuleBase
android.DefaultsModuleBase
}
func (*Defaults) GenerateAndroidBuildActions(ctx android.ModuleContext) {
}
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
}