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Diffstat (limited to 'dexpreopt/config.go')
-rw-r--r--dexpreopt/config.go143
1 files changed, 95 insertions, 48 deletions
diff --git a/dexpreopt/config.go b/dexpreopt/config.go
index 0cc3bd63b..fe6317cb2 100644
--- a/dexpreopt/config.go
+++ b/dexpreopt/config.go
@@ -32,7 +32,7 @@ type GlobalConfig struct {
DisablePreoptBootImages bool // disable prepot for boot images
DisablePreoptModules []string // modules with preopt disabled by product-specific config
- OnlyPreoptBootImageAndSystemServer bool // only preopt jars in the boot image or system server
+ OnlyPreoptArtBootImage bool // only preopt jars in the ART boot image
PreoptWithUpdatableBcp bool // If updatable boot jars are included in dexpreopt or not.
@@ -45,7 +45,8 @@ type GlobalConfig struct {
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
+ 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
@@ -97,7 +98,9 @@ type GlobalConfig struct {
// measure, as it masks real errors and affects performance.
RelaxUsesLibraryCheck bool
- EnableUffdGc bool // preopt with the assumption that userfaultfd GC will be used on device.
+ // "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")
@@ -153,6 +156,7 @@ type GlobalSoongConfig struct {
Zip2zip android.Path
ManifestCheck android.Path
ConstructContext android.Path
+ UffdGcFlag android.WritablePath
}
type ModuleConfig struct {
@@ -183,8 +187,6 @@ type ModuleConfig struct {
PreoptBootClassPathDexFiles android.Paths // file paths of boot class path files
PreoptBootClassPathDexLocations []string // virtual locations of boot class path files
- PreoptExtractedApk bool // Overrides OnlyPreoptModules
-
NoCreateAppImage bool
ForceCreateAppImage bool
@@ -197,7 +199,7 @@ var pctx = android.NewPackageContext("android/soong/dexpreopt")
func init() {
pctx.Import("android/soong/android")
- android.RegisterSingletonType("dexpreopt-soong-config", func() android.Singleton {
+ android.RegisterParallelSingletonType("dexpreopt-soong-config", func() android.Singleton {
return &globalSoongConfigSingleton{}
})
}
@@ -321,7 +323,7 @@ func getGlobalConfigRaw(ctx android.PathContext) globalConfigAndRaw {
missingDepsCtx.AddMissingDependencies([]string{err.Error()})
}
} else {
- android.ReportPathErrorf(ctx, "%w", err)
+ android.ReportPathErrorf(ctx, "%s", err)
}
}
@@ -538,6 +540,7 @@ func createGlobalSoongConfig(ctx android.ModuleContext) *GlobalSoongConfig {
Zip2zip: ctx.Config().HostToolPath(ctx, "zip2zip"),
ManifestCheck: ctx.Config().HostToolPath(ctx, "manifest_check"),
ConstructContext: ctx.Config().HostToolPath(ctx, "construct_context"),
+ UffdGcFlag: getUffdGcFlagPath(ctx),
}
}
@@ -589,6 +592,7 @@ type globalJsonSoongConfig struct {
Zip2zip string
ManifestCheck string
ConstructContext string
+ UffdGcFlag string
}
// ParseGlobalSoongConfig parses the given data assumed to be read from the
@@ -610,6 +614,7 @@ func ParseGlobalSoongConfig(ctx android.PathContext, data []byte) (*GlobalSoongC
Zip2zip: constructPath(ctx, jc.Zip2zip),
ManifestCheck: constructPath(ctx, jc.ManifestCheck),
ConstructContext: constructPath(ctx, jc.ConstructContext),
+ UffdGcFlag: constructWritablePath(ctx, jc.UffdGcFlag),
}
return config, nil
@@ -634,12 +639,15 @@ func checkBootJarsConfigConsistency(ctx android.SingletonContext, dexpreoptConfi
}
func (s *globalSoongConfigSingleton) GenerateBuildActions(ctx android.SingletonContext) {
- checkBootJarsConfigConsistency(ctx, GetGlobalConfig(ctx), ctx.Config())
+ global := GetGlobalConfig(ctx)
+ checkBootJarsConfigConsistency(ctx, global, ctx.Config())
- if GetGlobalConfig(ctx).DisablePreopt {
+ 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
@@ -655,6 +663,7 @@ func (s *globalSoongConfigSingleton) GenerateBuildActions(ctx android.SingletonC
Zip2zip: config.Zip2zip.String(),
ManifestCheck: config.ManifestCheck.String(),
ConstructContext: config.ConstructContext.String(),
+ UffdGcFlag: config.UffdGcFlag.String(),
}
data, err := json.Marshal(jc)
@@ -685,53 +694,77 @@ func (s *globalSoongConfigSingleton) MakeVars(ctx android.MakeVarsContext) {
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,
- OnlyPreoptBootImageAndSystemServer: false,
- HasSystemOther: false,
- PatternsOnSystemOther: nil,
- DisableGenerateProfile: false,
- ProfileDir: "",
- BootJars: android.EmptyConfiguredJarList(),
- ApexBootJars: android.EmptyConfiguredJarList(),
- ArtApexJars: 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: "",
+ 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() *GlobalSoongConfig {
+func globalSoongConfigForTests(ctx android.BuilderContext) *GlobalSoongConfig {
return &GlobalSoongConfig{
Profman: android.PathForTesting("profman"),
Dex2oat: android.PathForTesting("dex2oat"),
@@ -740,5 +773,19 @@ func globalSoongConfigForTests() *GlobalSoongConfig {
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")
}
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-11-03 18:42:19 +0000