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// Copyright 2018 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package dexpreopt
import (
"encoding/json"
"fmt"
"reflect"
"strings"
"github.com/google/blueprint"
"android/soong/android"
)
// GlobalConfig stores the configuration for dex preopting. The fields are set
// from product variables via dex_preopt_config.mk.
type GlobalConfig struct {
DisablePreopt bool // disable preopt for all modules (excluding boot images)
DisablePreoptBootImages bool // disable prepot for boot images
DisablePreoptModules []string // modules with preopt disabled by product-specific config
OnlyPreoptArtBootImage bool // only preopt jars in the ART boot image
PreoptWithUpdatableBcp bool // If updatable boot jars are included in dexpreopt or not.
HasSystemOther bool // store odex files that match PatternsOnSystemOther on the system_other partition
PatternsOnSystemOther []string // patterns (using '%' to denote a prefix match) to put odex on the system_other partition
DisableGenerateProfile bool // don't generate profiles
ProfileDir string // directory to find profiles in
BootJars android.ConfiguredJarList // modules for jars that form the boot class path
ApexBootJars android.ConfiguredJarList // jars within apex that form the boot class path
ArtApexJars android.ConfiguredJarList // modules for jars that are in the ART APEX
TestOnlyArtBootImageJars android.ConfiguredJarList // modules for jars to be included in the ART boot image for testing
SystemServerJars android.ConfiguredJarList // system_server classpath jars on the platform
SystemServerApps []string // apps that are loaded into system server
ApexSystemServerJars android.ConfiguredJarList // system_server classpath jars delivered via apex
StandaloneSystemServerJars android.ConfiguredJarList // jars on the platform that system_server loads dynamically using separate classloaders
ApexStandaloneSystemServerJars android.ConfiguredJarList // jars delivered via apex that system_server loads dynamically using separate classloaders
SpeedApps []string // apps that should be speed optimized
BrokenSuboptimalOrderOfSystemServerJars bool // if true, sub-optimal order does not cause a build error
PreoptFlags []string // global dex2oat flags that should be used if no module-specific dex2oat flags are specified
DefaultCompilerFilter string // default compiler filter to pass to dex2oat, overridden by --compiler-filter= in module-specific dex2oat flags
SystemServerCompilerFilter string // default compiler filter to pass to dex2oat for system server jars
GenerateDMFiles bool // generate Dex Metadata files
NoDebugInfo bool // don't generate debug info by default
DontResolveStartupStrings bool // don't resolve string literals loaded during application startup.
AlwaysSystemServerDebugInfo bool // always generate mini debug info for system server modules (overrides NoDebugInfo=true)
NeverSystemServerDebugInfo bool // never generate mini debug info for system server modules (overrides NoDebugInfo=false)
AlwaysOtherDebugInfo bool // always generate mini debug info for non-system server modules (overrides NoDebugInfo=true)
NeverOtherDebugInfo bool // never generate mini debug info for non-system server modules (overrides NoDebugInfo=true)
IsEng bool // build is a eng variant
SanitizeLite bool // build is the second phase of a SANITIZE_LITE build
DefaultAppImages bool // build app images (TODO: .art files?) by default
Dex2oatXmx string // max heap size for dex2oat
Dex2oatXms string // initial heap size for dex2oat
EmptyDirectory string // path to an empty directory
CpuVariant map[android.ArchType]string // cpu variant for each architecture
InstructionSetFeatures map[android.ArchType]string // instruction set for each architecture
BootImageProfiles android.Paths // path to a boot-image-profile.txt file
BootFlags string // extra flags to pass to dex2oat for the boot image
Dex2oatImageXmx string // max heap size for dex2oat for the boot image
Dex2oatImageXms string // initial heap size for dex2oat for the boot image
// If true, downgrade the compiler filter of dexpreopt to "verify" when verify_uses_libraries
// check fails, instead of failing the build. This will disable any AOT-compilation.
//
// The intended use case for this flag is to have a smoother migration path for the Java
// modules that need to add <uses-library> information in their build files. The flag allows to
// quickly silence build errors. This flag should be used with caution and only as a temporary
// measure, as it masks real errors and affects performance.
RelaxUsesLibraryCheck bool
// "true" to force preopt with CMC GC (a.k.a., UFFD GC); "false" to force preopt with CC GC;
// "default" to determine the GC type based on the kernel version file.
EnableUffdGc string
}
var allPlatformSystemServerJarsKey = android.NewOnceKey("allPlatformSystemServerJars")
// Returns all jars on the platform that system_server loads, including those on classpath and those
// loaded dynamically.
func (g *GlobalConfig) AllPlatformSystemServerJars(ctx android.PathContext) *android.ConfiguredJarList {
return ctx.Config().Once(allPlatformSystemServerJarsKey, func() interface{} {
res := g.SystemServerJars.AppendList(&g.StandaloneSystemServerJars)
return &res
}).(*android.ConfiguredJarList)
}
var allApexSystemServerJarsKey = android.NewOnceKey("allApexSystemServerJars")
// Returns all jars delivered via apex that system_server loads, including those on classpath and
// those loaded dynamically.
func (g *GlobalConfig) AllApexSystemServerJars(ctx android.PathContext) *android.ConfiguredJarList {
return ctx.Config().Once(allApexSystemServerJarsKey, func() interface{} {
res := g.ApexSystemServerJars.AppendList(&g.ApexStandaloneSystemServerJars)
return &res
}).(*android.ConfiguredJarList)
}
var allSystemServerClasspathJarsKey = android.NewOnceKey("allSystemServerClasspathJars")
// Returns all system_server classpath jars.
func (g *GlobalConfig) AllSystemServerClasspathJars(ctx android.PathContext) *android.ConfiguredJarList {
return ctx.Config().Once(allSystemServerClasspathJarsKey, func() interface{} {
res := g.SystemServerJars.AppendList(&g.ApexSystemServerJars)
return &res
}).(*android.ConfiguredJarList)
}
var allSystemServerJarsKey = android.NewOnceKey("allSystemServerJars")
// Returns all jars that system_server loads.
func (g *GlobalConfig) AllSystemServerJars(ctx android.PathContext) *android.ConfiguredJarList {
return ctx.Config().Once(allSystemServerJarsKey, func() interface{} {
res := g.AllPlatformSystemServerJars(ctx).AppendList(g.AllApexSystemServerJars(ctx))
return &res
}).(*android.ConfiguredJarList)
}
// GlobalSoongConfig contains the global config that is generated from Soong,
// stored in dexpreopt_soong.config.
type GlobalSoongConfig struct {
// Paths to tools possibly used by the generated commands.
Profman android.Path
Dex2oat android.Path
Aapt android.Path
SoongZip android.Path
Zip2zip android.Path
ManifestCheck android.Path
ConstructContext android.Path
UffdGcFlag android.WritablePath
}
type ModuleConfig struct {
Name string
DexLocation string // dex location on device
BuildPath android.OutputPath
DexPath android.Path
ManifestPath android.OptionalPath
UncompressedDex bool
HasApkLibraries bool
PreoptFlags []string
ProfileClassListing android.OptionalPath
ProfileIsTextListing bool
ProfileBootListing android.OptionalPath
EnforceUsesLibraries bool // turn on build-time verify_uses_libraries check
EnforceUsesLibrariesStatusFile android.Path // a file with verify_uses_libraries errors (if any)
ProvidesUsesLibrary string // library name (usually the same as module name)
ClassLoaderContexts ClassLoaderContextMap
Archs []android.ArchType
DexPreoptImagesDeps []android.OutputPaths
DexPreoptImageLocationsOnHost []string // boot image location on host (file path without the arch subdirectory)
DexPreoptImageLocationsOnDevice []string // boot image location on device (file path without the arch subdirectory)
PreoptBootClassPathDexFiles android.Paths // file paths of boot class path files
PreoptBootClassPathDexLocations []string // virtual locations of boot class path files
NoCreateAppImage bool
ForceCreateAppImage bool
PresignedPrebuilt bool
}
type globalSoongConfigSingleton struct{}
var pctx = android.NewPackageContext("android/soong/dexpreopt")
func init() {
pctx.Import("android/soong/android")
android.RegisterParallelSingletonType("dexpreopt-soong-config", func() android.Singleton {
return &globalSoongConfigSingleton{}
})
}
func constructPath(ctx android.PathContext, path string) android.Path {
buildDirPrefix := ctx.Config().SoongOutDir() + "/"
if path == "" {
return nil
} else if strings.HasPrefix(path, buildDirPrefix) {
return android.PathForOutput(ctx, strings.TrimPrefix(path, buildDirPrefix))
} else {
return android.PathForSource(ctx, path)
}
}
func constructPaths(ctx android.PathContext, paths []string) android.Paths {
var ret android.Paths
for _, path := range paths {
ret = append(ret, constructPath(ctx, path))
}
return ret
}
func constructWritablePath(ctx android.PathContext, path string) android.WritablePath {
if path == "" {
return nil
}
return constructPath(ctx, path).(android.WritablePath)
}
// ParseGlobalConfig parses the given data assumed to be read from the global
// dexpreopt.config file into a GlobalConfig struct.
func ParseGlobalConfig(ctx android.PathContext, data []byte) (*GlobalConfig, error) {
type GlobalJSONConfig struct {
*GlobalConfig
// Copies of entries in GlobalConfig that are not constructable without extra parameters. They will be
// used to construct the real value manually below.
BootImageProfiles []string
}
config := GlobalJSONConfig{}
err := json.Unmarshal(data, &config)
if err != nil {
return config.GlobalConfig, err
}
// Construct paths that require a PathContext.
config.GlobalConfig.BootImageProfiles = constructPaths(ctx, config.BootImageProfiles)
return config.GlobalConfig, nil
}
type globalConfigAndRaw struct {
global *GlobalConfig
data []byte
pathErrors []error
}
// GetGlobalConfig returns the global dexpreopt.config that's created in the
// make config phase. It is loaded once the first time it is called for any
// ctx.Config(), and returns the same data for all future calls with the same
// ctx.Config(). A value can be inserted for tests using
// setDexpreoptTestGlobalConfig.
func GetGlobalConfig(ctx android.PathContext) *GlobalConfig {
return getGlobalConfigRaw(ctx).global
}
// GetGlobalConfigRawData is the same as GetGlobalConfig, except that it returns
// the literal content of dexpreopt.config.
func GetGlobalConfigRawData(ctx android.PathContext) []byte {
return getGlobalConfigRaw(ctx).data
}
var globalConfigOnceKey = android.NewOnceKey("DexpreoptGlobalConfig")
var testGlobalConfigOnceKey = android.NewOnceKey("TestDexpreoptGlobalConfig")
type pathContextErrorCollector struct {
android.PathContext
errors []error
}
func (p *pathContextErrorCollector) Errorf(format string, args ...interface{}) {
p.errors = append(p.errors, fmt.Errorf(format, args...))
}
func getGlobalConfigRaw(ctx android.PathContext) globalConfigAndRaw {
config := ctx.Config().Once(globalConfigOnceKey, func() interface{} {
if data, err := ctx.Config().DexpreoptGlobalConfig(ctx); err != nil {
panic(err)
} else if data != nil {
pathErrorCollectorCtx := &pathContextErrorCollector{PathContext: ctx}
globalConfig, err := ParseGlobalConfig(pathErrorCollectorCtx, data)
if err != nil {
panic(err)
}
return globalConfigAndRaw{globalConfig, data, pathErrorCollectorCtx.errors}
}
// No global config filename set, see if there is a test config set
return ctx.Config().Once(testGlobalConfigOnceKey, func() interface{} {
// Nope, return a config with preopting disabled
return globalConfigAndRaw{&GlobalConfig{
DisablePreopt: true,
DisablePreoptBootImages: true,
DisableGenerateProfile: true,
}, nil, nil}
})
}).(globalConfigAndRaw)
// Avoid non-deterministic errors by reporting cached path errors on all callers.
for _, err := range config.pathErrors {
if ctx.Config().AllowMissingDependencies() {
// When AllowMissingDependencies it set, report errors through AddMissingDependencies.
// If AddMissingDependencies doesn't exist on the current context (for example when
// called with a SingletonContext), just swallow the errors since there is no way to
// report them.
if missingDepsCtx, ok := ctx.(interface {
AddMissingDependencies(missingDeps []string)
}); ok {
missingDepsCtx.AddMissingDependencies([]string{err.Error()})
}
} else {
android.ReportPathErrorf(ctx, "%s", err)
}
}
return config
}
// SetTestGlobalConfig sets a GlobalConfig that future calls to GetGlobalConfig
// will return. It must be called before the first call to GetGlobalConfig for
// the config.
func SetTestGlobalConfig(config android.Config, globalConfig *GlobalConfig) {
config.Once(testGlobalConfigOnceKey, func() interface{} { return globalConfigAndRaw{globalConfig, nil, nil} })
}
// This struct is required to convert ModuleConfig from/to JSON.
// The types of fields in ModuleConfig are not convertible,
// so moduleJSONConfig has those fields as a convertible type.
type moduleJSONConfig struct {
*ModuleConfig
BuildPath string
DexPath string
ManifestPath string
ProfileClassListing string
ProfileBootListing string
EnforceUsesLibrariesStatusFile string
ClassLoaderContexts jsonClassLoaderContextMap
DexPreoptImagesDeps [][]string
PreoptBootClassPathDexFiles []string
}
// ParseModuleConfig parses a per-module dexpreopt.config file into a
// ModuleConfig struct. It is not used in Soong, which receives a ModuleConfig
// struct directly from java/dexpreopt.go. It is used in dexpreopt_gen called
// from Make to read the module dexpreopt.config written in the Make config
// stage.
func ParseModuleConfig(ctx android.PathContext, data []byte) (*ModuleConfig, error) {
config := moduleJSONConfig{}
err := json.Unmarshal(data, &config)
if err != nil {
return config.ModuleConfig, err
}
// Construct paths that require a PathContext.
config.ModuleConfig.BuildPath = constructPath(ctx, config.BuildPath).(android.OutputPath)
config.ModuleConfig.DexPath = constructPath(ctx, config.DexPath)
config.ModuleConfig.ManifestPath = android.OptionalPathForPath(constructPath(ctx, config.ManifestPath))
config.ModuleConfig.ProfileClassListing = android.OptionalPathForPath(constructPath(ctx, config.ProfileClassListing))
config.ModuleConfig.EnforceUsesLibrariesStatusFile = constructPath(ctx, config.EnforceUsesLibrariesStatusFile)
config.ModuleConfig.ClassLoaderContexts = fromJsonClassLoaderContext(ctx, config.ClassLoaderContexts)
config.ModuleConfig.PreoptBootClassPathDexFiles = constructPaths(ctx, config.PreoptBootClassPathDexFiles)
// This needs to exist, but dependencies are already handled in Make, so we don't need to pass them through JSON.
config.ModuleConfig.DexPreoptImagesDeps = make([]android.OutputPaths, len(config.ModuleConfig.Archs))
return config.ModuleConfig, nil
}
func pathsListToStringLists(pathsList []android.OutputPaths) [][]string {
ret := make([][]string, 0, len(pathsList))
for _, paths := range pathsList {
ret = append(ret, paths.Strings())
}
return ret
}
func moduleConfigToJSON(config *ModuleConfig) ([]byte, error) {
return json.MarshalIndent(&moduleJSONConfig{
BuildPath: config.BuildPath.String(),
DexPath: config.DexPath.String(),
ManifestPath: config.ManifestPath.String(),
ProfileClassListing: config.ProfileClassListing.String(),
ProfileBootListing: config.ProfileBootListing.String(),
EnforceUsesLibrariesStatusFile: config.EnforceUsesLibrariesStatusFile.String(),
ClassLoaderContexts: toJsonClassLoaderContext(config.ClassLoaderContexts),
DexPreoptImagesDeps: pathsListToStringLists(config.DexPreoptImagesDeps),
PreoptBootClassPathDexFiles: config.PreoptBootClassPathDexFiles.Strings(),
ModuleConfig: config,
}, "", " ")
}
// WriteModuleConfig serializes a ModuleConfig into a per-module dexpreopt.config JSON file.
// These config files are used for post-processing.
func WriteModuleConfig(ctx android.ModuleContext, config *ModuleConfig, path android.WritablePath) {
if path == nil {
return
}
data, err := moduleConfigToJSON(config)
if err != nil {
ctx.ModuleErrorf("failed to JSON marshal module dexpreopt.config: %v", err)
return
}
android.WriteFileRule(ctx, path, string(data))
}
// dex2oatModuleName returns the name of the module to use for the dex2oat host
// tool. It should be a binary module with public visibility that is compiled
// and installed for host.
func dex2oatModuleName(config android.Config) string {
// Default to the debug variant of dex2oat to help find bugs.
// Set USE_DEX2OAT_DEBUG to false for only building non-debug versions.
if config.Getenv("USE_DEX2OAT_DEBUG") == "false" {
return "dex2oat"
} else {
return "dex2oatd"
}
}
type dex2oatDependencyTag struct {
blueprint.BaseDependencyTag
android.LicenseAnnotationToolchainDependencyTag
}
func (d dex2oatDependencyTag) ExcludeFromVisibilityEnforcement() {
}
func (d dex2oatDependencyTag) ExcludeFromApexContents() {
}
func (d dex2oatDependencyTag) AllowDisabledModuleDependency(target android.Module) bool {
// RegisterToolDeps may run after the prebuilt mutators and hence register a
// dependency on the source module even when the prebuilt is to be used.
// dex2oatPathFromDep takes that into account when it retrieves the path to
// the binary, but we also need to disable the check for dependencies on
// disabled modules.
return target.IsReplacedByPrebuilt()
}
// Dex2oatDepTag represents the dependency onto the dex2oatd module. It is added to any module that
// needs dexpreopting and so it makes no sense for it to be checked for visibility or included in
// the apex.
var Dex2oatDepTag = dex2oatDependencyTag{}
var _ android.ExcludeFromVisibilityEnforcementTag = Dex2oatDepTag
var _ android.ExcludeFromApexContentsTag = Dex2oatDepTag
var _ android.AllowDisabledModuleDependency = Dex2oatDepTag
// RegisterToolDeps adds the necessary dependencies to binary modules for tools
// that are required later when Get(Cached)GlobalSoongConfig is called. It
// should be called from a mutator that's registered with
// android.RegistrationContext.FinalDepsMutators.
func RegisterToolDeps(ctx android.BottomUpMutatorContext) {
dex2oatBin := dex2oatModuleName(ctx.Config())
v := ctx.Config().BuildOSTarget.Variations()
ctx.AddFarVariationDependencies(v, Dex2oatDepTag, dex2oatBin)
}
func IsDex2oatNeeded(ctx android.PathContext) bool {
global := GetGlobalConfig(ctx)
return !global.DisablePreopt || !global.DisablePreoptBootImages
}
func dex2oatPathFromDep(ctx android.ModuleContext) android.Path {
if !IsDex2oatNeeded(ctx) {
return nil
}
dex2oatBin := dex2oatModuleName(ctx.Config())
// Find the right dex2oat module, trying to follow PrebuiltDepTag from source
// to prebuilt if there is one. We wouldn't have to do this if the
// prebuilt_postdeps mutator that replaces source deps with prebuilt deps was
// run after RegisterToolDeps above, but changing that leads to ordering
// problems between mutators (RegisterToolDeps needs to run late to act on
// final variants, while prebuilt_postdeps needs to run before many of the
// PostDeps mutators, like the APEX mutators). Hence we need to dig out the
// prebuilt explicitly here instead.
var dex2oatModule android.Module
ctx.WalkDeps(func(child, parent android.Module) bool {
if parent == ctx.Module() && ctx.OtherModuleDependencyTag(child) == Dex2oatDepTag {
// Found the source module, or prebuilt module that has replaced the source.
dex2oatModule = child
if android.IsModulePrebuilt(child) {
return false // If it's the prebuilt we're done.
} else {
return true // Recurse to check if the source has a prebuilt dependency.
}
}
if parent == dex2oatModule && ctx.OtherModuleDependencyTag(child) == android.PrebuiltDepTag {
if p := android.GetEmbeddedPrebuilt(child); p != nil && p.UsePrebuilt() {
dex2oatModule = child // Found a prebuilt that should be used.
}
}
return false
})
if dex2oatModule == nil {
// If this happens there's probably a missing call to AddToolDeps in DepsMutator.
panic(fmt.Sprintf("Failed to lookup %s dependency", dex2oatBin))
}
dex2oatPath := dex2oatModule.(android.HostToolProvider).HostToolPath()
if !dex2oatPath.Valid() {
panic(fmt.Sprintf("Failed to find host tool path in %s", dex2oatModule))
}
return dex2oatPath.Path()
}
// createGlobalSoongConfig creates a GlobalSoongConfig from the current context.
// Should not be used in dexpreopt_gen.
func createGlobalSoongConfig(ctx android.ModuleContext) *GlobalSoongConfig {
return &GlobalSoongConfig{
Profman: ctx.Config().HostToolPath(ctx, "profman"),
Dex2oat: dex2oatPathFromDep(ctx),
Aapt: ctx.Config().HostToolPath(ctx, "aapt2"),
SoongZip: ctx.Config().HostToolPath(ctx, "soong_zip"),
Zip2zip: ctx.Config().HostToolPath(ctx, "zip2zip"),
ManifestCheck: ctx.Config().HostToolPath(ctx, "manifest_check"),
ConstructContext: ctx.Config().HostToolPath(ctx, "construct_context"),
UffdGcFlag: getUffdGcFlagPath(ctx),
}
}
// The main reason for this Once cache for GlobalSoongConfig is to make the
// dex2oat path available to singletons. In ordinary modules we get it through a
// Dex2oatDepTag dependency, but in singletons there's no simple way to do the
// same thing and ensure the right variant is selected, hence this cache to make
// the resolved path available to singletons. This means we depend on there
// being at least one ordinary module with a Dex2oatDepTag dependency.
//
// TODO(b/147613152): Implement a way to deal with dependencies from singletons,
// and then possibly remove this cache altogether.
var globalSoongConfigOnceKey = android.NewOnceKey("DexpreoptGlobalSoongConfig")
// GetGlobalSoongConfig creates a GlobalSoongConfig the first time it's called,
// and later returns the same cached instance.
func GetGlobalSoongConfig(ctx android.ModuleContext) *GlobalSoongConfig {
globalSoong := ctx.Config().Once(globalSoongConfigOnceKey, func() interface{} {
return createGlobalSoongConfig(ctx)
}).(*GlobalSoongConfig)
// Always resolve the tool path from the dependency, to ensure that every
// module has the dependency added properly.
myDex2oat := dex2oatPathFromDep(ctx)
if myDex2oat != globalSoong.Dex2oat {
panic(fmt.Sprintf("Inconsistent dex2oat path in cached config: expected %s, got %s", globalSoong.Dex2oat, myDex2oat))
}
return globalSoong
}
// GetCachedGlobalSoongConfig returns a cached GlobalSoongConfig created by an
// earlier GetGlobalSoongConfig call. This function works with any context
// compatible with a basic PathContext, since it doesn't try to create a
// GlobalSoongConfig with the proper paths (which requires a full
// ModuleContext). If there has been no prior call to GetGlobalSoongConfig, nil
// is returned.
func GetCachedGlobalSoongConfig(ctx android.PathContext) *GlobalSoongConfig {
return ctx.Config().Once(globalSoongConfigOnceKey, func() interface{} {
return (*GlobalSoongConfig)(nil)
}).(*GlobalSoongConfig)
}
type globalJsonSoongConfig struct {
Profman string
Dex2oat string
Aapt string
SoongZip string
Zip2zip string
ManifestCheck string
ConstructContext string
UffdGcFlag string
}
// ParseGlobalSoongConfig parses the given data assumed to be read from the
// global dexpreopt_soong.config file into a GlobalSoongConfig struct. It is
// only used in dexpreopt_gen.
func ParseGlobalSoongConfig(ctx android.PathContext, data []byte) (*GlobalSoongConfig, error) {
var jc globalJsonSoongConfig
err := json.Unmarshal(data, &jc)
if err != nil {
return &GlobalSoongConfig{}, err
}
config := &GlobalSoongConfig{
Profman: constructPath(ctx, jc.Profman),
Dex2oat: constructPath(ctx, jc.Dex2oat),
Aapt: constructPath(ctx, jc.Aapt),
SoongZip: constructPath(ctx, jc.SoongZip),
Zip2zip: constructPath(ctx, jc.Zip2zip),
ManifestCheck: constructPath(ctx, jc.ManifestCheck),
ConstructContext: constructPath(ctx, jc.ConstructContext),
UffdGcFlag: constructWritablePath(ctx, jc.UffdGcFlag),
}
return config, nil
}
// checkBootJarsConfigConsistency checks the consistency of BootJars and ApexBootJars fields in
// DexpreoptGlobalConfig and Config.productVariables.
func checkBootJarsConfigConsistency(ctx android.SingletonContext, dexpreoptConfig *GlobalConfig, config android.Config) {
compareBootJars := func(property string, dexpreoptJars, variableJars android.ConfiguredJarList) {
dexpreoptPairs := dexpreoptJars.CopyOfApexJarPairs()
variablePairs := variableJars.CopyOfApexJarPairs()
if !reflect.DeepEqual(dexpreoptPairs, variablePairs) {
ctx.Errorf("Inconsistent configuration of %[1]s\n"+
" dexpreopt.GlobalConfig.%[1]s = %[2]s\n"+
" productVariables.%[1]s = %[3]s",
property, dexpreoptPairs, variablePairs)
}
}
compareBootJars("BootJars", dexpreoptConfig.BootJars, config.NonApexBootJars())
compareBootJars("ApexBootJars", dexpreoptConfig.ApexBootJars, config.ApexBootJars())
}
func (s *globalSoongConfigSingleton) GenerateBuildActions(ctx android.SingletonContext) {
global := GetGlobalConfig(ctx)
checkBootJarsConfigConsistency(ctx, global, ctx.Config())
if global.DisablePreopt {
return
}
buildUffdGcFlag(ctx, global)
config := GetCachedGlobalSoongConfig(ctx)
if config == nil {
// No module has enabled dexpreopting, so we assume there will be no calls
// to dexpreopt_gen.
return
}
jc := globalJsonSoongConfig{
Profman: config.Profman.String(),
Dex2oat: config.Dex2oat.String(),
Aapt: config.Aapt.String(),
SoongZip: config.SoongZip.String(),
Zip2zip: config.Zip2zip.String(),
ManifestCheck: config.ManifestCheck.String(),
ConstructContext: config.ConstructContext.String(),
UffdGcFlag: config.UffdGcFlag.String(),
}
data, err := json.Marshal(jc)
if err != nil {
ctx.Errorf("failed to JSON marshal GlobalSoongConfig: %v", err)
return
}
android.WriteFileRule(ctx, android.PathForOutput(ctx, "dexpreopt_soong.config"), string(data))
}
func (s *globalSoongConfigSingleton) MakeVars(ctx android.MakeVarsContext) {
if GetGlobalConfig(ctx).DisablePreopt {
return
}
config := GetCachedGlobalSoongConfig(ctx)
if config == nil {
return
}
ctx.Strict("DEX2OAT", config.Dex2oat.String())
ctx.Strict("DEXPREOPT_GEN_DEPS", strings.Join([]string{
config.Profman.String(),
config.Dex2oat.String(),
config.Aapt.String(),
config.SoongZip.String(),
config.Zip2zip.String(),
config.ManifestCheck.String(),
config.ConstructContext.String(),
config.UffdGcFlag.String(),
}, " "))
}
func buildUffdGcFlag(ctx android.BuilderContext, global *GlobalConfig) {
uffdGcFlag := getUffdGcFlagPath(ctx)
if global.EnableUffdGc == "true" {
android.WriteFileRuleVerbatim(ctx, uffdGcFlag, "--runtime-arg -Xgc:CMC")
} else if global.EnableUffdGc == "false" {
android.WriteFileRuleVerbatim(ctx, uffdGcFlag, "")
} else if global.EnableUffdGc == "default" {
// Generated by `build/make/core/Makefile`.
kernelVersionFile := android.PathForOutput(ctx, "dexpreopt/kernel_version_for_uffd_gc.txt")
// Determine the UFFD GC flag by the kernel version file.
rule := android.NewRuleBuilder(pctx, ctx)
rule.Command().
Tool(ctx.Config().HostToolPath(ctx, "construct_uffd_gc_flag")).
Input(kernelVersionFile).
Output(uffdGcFlag)
rule.Restat().Build("dexpreopt_uffd_gc_flag", "dexpreopt_uffd_gc_flag")
} else {
panic(fmt.Sprintf("Unknown value of PRODUCT_ENABLE_UFFD_GC: %s", global.EnableUffdGc))
}
}
func GlobalConfigForTests(ctx android.PathContext) *GlobalConfig {
return &GlobalConfig{
DisablePreopt: false,
DisablePreoptModules: nil,
OnlyPreoptArtBootImage: false,
HasSystemOther: false,
PatternsOnSystemOther: nil,
DisableGenerateProfile: false,
ProfileDir: "",
BootJars: android.EmptyConfiguredJarList(),
ApexBootJars: android.EmptyConfiguredJarList(),
ArtApexJars: android.EmptyConfiguredJarList(),
TestOnlyArtBootImageJars: android.EmptyConfiguredJarList(),
SystemServerJars: android.EmptyConfiguredJarList(),
SystemServerApps: nil,
ApexSystemServerJars: android.EmptyConfiguredJarList(),
StandaloneSystemServerJars: android.EmptyConfiguredJarList(),
ApexStandaloneSystemServerJars: android.EmptyConfiguredJarList(),
SpeedApps: nil,
PreoptFlags: nil,
DefaultCompilerFilter: "",
SystemServerCompilerFilter: "",
GenerateDMFiles: false,
NoDebugInfo: false,
DontResolveStartupStrings: false,
AlwaysSystemServerDebugInfo: false,
NeverSystemServerDebugInfo: false,
AlwaysOtherDebugInfo: false,
NeverOtherDebugInfo: false,
IsEng: false,
SanitizeLite: false,
DefaultAppImages: false,
Dex2oatXmx: "",
Dex2oatXms: "",
EmptyDirectory: "empty_dir",
CpuVariant: nil,
InstructionSetFeatures: nil,
BootImageProfiles: nil,
BootFlags: "",
Dex2oatImageXmx: "",
Dex2oatImageXms: "",
}
}
func globalSoongConfigForTests(ctx android.BuilderContext) *GlobalSoongConfig {
return &GlobalSoongConfig{
Profman: android.PathForTesting("profman"),
Dex2oat: android.PathForTesting("dex2oat"),
Aapt: android.PathForTesting("aapt2"),
SoongZip: android.PathForTesting("soong_zip"),
Zip2zip: android.PathForTesting("zip2zip"),
ManifestCheck: android.PathForTesting("manifest_check"),
ConstructContext: android.PathForTesting("construct_context"),
UffdGcFlag: android.PathForOutput(ctx, "dexpreopt_test", "uffd_gc_flag.txt"),
}
}
func GetDexpreoptDirName(ctx android.PathContext) string {
prefix := "dexpreopt_"
targets := ctx.Config().Targets[android.Android]
if len(targets) > 0 {
return prefix + targets[0].Arch.ArchType.String()
}
return prefix + "unknown_target"
}
func getUffdGcFlagPath(ctx android.PathContext) android.WritablePath {
return android.PathForOutput(ctx, "dexpreopt/uffd_gc_flag.txt")
}