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Merge "Generate boot zip file from prebuilt_bootclasspath_fragment"

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Paul Duffin 2021-07-05 12:01:46 +00:00 committed by Gerrit Code Review
commit 452decbd88
3 changed files with 61 additions and 50 deletions
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56
java/bootclasspath_fragment.go
View file

@ -162,11 +162,12 @@ type commonBootclasspathFragment interface {
// versioned sdk.
produceHiddenAPIOutput(ctx android.ModuleContext, contents []android.Module, input HiddenAPIFlagInput) *HiddenAPIOutput
// produceBootImageFiles produces the boot image (i.e. .art, .oat and .vdex) files for each of the
// required android.ArchType values in the returned map.
// produceBootImageFiles will attempt to produce rules to create the boot image files at the paths
// predefined in the bootImageConfig.
//
// It must return nil if the boot image files cannot be produced for whatever reason.
produceBootImageFiles(ctx android.ModuleContext, imageConfig *bootImageConfig, contents []android.Module) bootImageFilesByArch
// If it could not create the files then it will return nil. Otherwise, it will return a map from
// android.ArchType to the predefined paths of the boot image files.
produceBootImageFiles(ctx android.ModuleContext, imageConfig *bootImageConfig) bootImageFilesByArch
}
var _ commonBootclasspathFragment = (*BootclasspathFragmentModule)(nil)
@ -454,9 +455,13 @@ func (b *BootclasspathFragmentModule) GenerateAndroidBuildActions(ctx android.Mo
if imageConfig != nil {
// Delegate the production of the boot image files to a module type specific method.
common := ctx.Module().(commonBootclasspathFragment)
bootImageFilesByArch = common.produceBootImageFiles(ctx, imageConfig, contents)
bootImageFilesByArch = common.produceBootImageFiles(ctx, imageConfig)
if shouldCopyBootFilesToPredefinedLocations(ctx, imageConfig) {
// Zip the boot image files up, if available. This will generate the zip file in a
// predefined location.
buildBootImageZipInPredefinedLocation(ctx, imageConfig, bootImageFilesByArch)
// Copy the dex jars of this fragment's content modules to their predefined locations.
copyBootJarsToPredefinedLocations(ctx, hiddenAPIOutput.EncodedBootDexFilesByModule, imageConfig.dexPathsByModule)
}
@ -664,7 +669,7 @@ func (b *BootclasspathFragmentModule) produceHiddenAPIOutput(ctx android.ModuleC
}
// produceBootImageFiles builds the boot image files from the source if it is required.
func (b *BootclasspathFragmentModule) produceBootImageFiles(ctx android.ModuleContext, imageConfig *bootImageConfig, contents []android.Module) bootImageFilesByArch {
func (b *BootclasspathFragmentModule) produceBootImageFiles(ctx android.ModuleContext, imageConfig *bootImageConfig) bootImageFilesByArch {
if SkipDexpreoptBootJars(ctx) {
return nil
}
@ -674,45 +679,34 @@ func (b *BootclasspathFragmentModule) produceBootImageFiles(ctx android.ModuleCo
dexpreopt.GetGlobalSoongConfig(ctx)
// Only generate the boot image if the configuration does not skip it.
if !b.generateBootImageBuildActions(ctx, contents, imageConfig) {
return nil
}
// Only make the files available to an apex if they were actually generated.
files := bootImageFilesByArch{}
for _, variant := range imageConfig.apexVariants() {
files[variant.target.Arch.ArchType] = variant.imagesDeps.Paths()
}
return files
return b.generateBootImageBuildActions(ctx, imageConfig)
}
// generateBootImageBuildActions generates ninja rules to create the boot image if required for this
// module.
//
// Returns true if the boot image is created, false otherwise.
func (b *BootclasspathFragmentModule) generateBootImageBuildActions(ctx android.ModuleContext, contents []android.Module, imageConfig *bootImageConfig) bool {
// If it could not create the files then it will return nil. Otherwise, it will return a map from
// android.ArchType to the predefined paths of the boot image files.
func (b *BootclasspathFragmentModule) generateBootImageBuildActions(ctx android.ModuleContext, imageConfig *bootImageConfig) bootImageFilesByArch {
global := dexpreopt.GetGlobalConfig(ctx)
if !shouldBuildBootImages(ctx.Config(), global) {
return false
return nil
}
// Bootclasspath fragment modules that are for the platform do not produce a boot image.
apexInfo := ctx.Provider(android.ApexInfoProvider).(android.ApexInfo)
if apexInfo.IsForPlatform() {
return false
return nil
}
// Bootclasspath fragment modules that are versioned do not produce a boot image.
if android.IsModuleInVersionedSdk(ctx.Module()) {
return false
return nil
}
// Build a profile for the image config and then use that to build the boot image.
profile := bootImageProfileRule(ctx, imageConfig)
buildBootImage(ctx, imageConfig, profile)
return true
return buildBootImage(ctx, imageConfig, profile)
}
// Collect information for opening IDE project files in java/jdeps.go.
@ -940,7 +934,7 @@ func (module *prebuiltBootclasspathFragmentModule) produceHiddenAPIOutput(ctx an
}
// produceBootImageFiles extracts the boot image files from the APEX if available.
func (module *prebuiltBootclasspathFragmentModule) produceBootImageFiles(ctx android.ModuleContext, imageConfig *bootImageConfig, contents []android.Module) bootImageFilesByArch {
func (module *prebuiltBootclasspathFragmentModule) produceBootImageFiles(ctx android.ModuleContext, imageConfig *bootImageConfig) bootImageFilesByArch {
if !shouldCopyBootFilesToPredefinedLocations(ctx, imageConfig) {
return nil
}
@ -962,6 +956,7 @@ func (module *prebuiltBootclasspathFragmentModule) produceBootImageFiles(ctx and
}
di := ctx.OtherModuleProvider(deapexerModule, android.DeapexerProvider).(android.DeapexerInfo)
files := bootImageFilesByArch{}
for _, variant := range imageConfig.apexVariants() {
arch := variant.target.Arch.ArchType
for _, toPath := range variant.imagesDeps {
@ -969,6 +964,10 @@ func (module *prebuiltBootclasspathFragmentModule) produceBootImageFiles(ctx and
// Get the path to the file that the deapexer extracted from the prebuilt apex file.
fromPath := di.PrebuiltExportPath(apexRelativePath)
// Return the toPath as the calling code expects the paths in the returned map to be the
// paths predefined in the bootImageConfig.
files[arch] = append(files[arch], toPath)
// Copy the file to the predefined location.
ctx.Build(pctx, android.BuildParams{
Rule: android.Cp,
@ -978,10 +977,7 @@ func (module *prebuiltBootclasspathFragmentModule) produceBootImageFiles(ctx and
}
}
// The returned files will be made available to APEXes that include a bootclasspath_fragment.
// However, as a prebuilt_bootclasspath_fragment can never contribute to an APEX there is no point
// in returning any files.
return nil
return files
}
var _ commonBootclasspathFragment = (*prebuiltBootclasspathFragmentModule)(nil)

50
java/dexpreopt_bootjars.go
View file

@ -503,29 +503,47 @@ func copyBootJarsToPredefinedLocations(ctx android.ModuleContext, srcBootDexJars
}
// buildBootImage takes a bootImageConfig, and creates rules to build it.
func buildBootImage(ctx android.ModuleContext, image *bootImageConfig, profile android.WritablePath) {
var zipFiles android.Paths
//
// It returns a map from android.ArchType to the predefined paths of the boot image files.
func buildBootImage(ctx android.ModuleContext, image *bootImageConfig, profile android.WritablePath) bootImageFilesByArch {
filesByArch := bootImageFilesByArch{}
for _, variant := range image.variants {
files := buildBootImageVariant(ctx, variant, profile)
buildBootImageVariant(ctx, variant, profile)
if variant.target.Os == android.Android {
zipFiles = append(zipFiles, files.Paths()...)
filesByArch[variant.target.Arch.ArchType] = variant.imagesDeps.Paths()
}
}
if image.zip != nil {
rule := android.NewRuleBuilder(pctx, ctx)
rule.Command().
BuiltTool("soong_zip").
FlagWithOutput("-o ", image.zip).
FlagWithArg("-C ", image.dir.Join(ctx, android.Android.String()).String()).
FlagWithInputList("-f ", zipFiles, " -f ")
return filesByArch
}
rule.Build("zip_"+image.name, "zip "+image.name+" image")
// buildBootImageZipInPredefinedLocation generates a zip file containing all the boot image files.
//
// The supplied filesByArch is nil when the boot image files have not been generated. Otherwise, it
// is a map from android.ArchType to the predefined locations.
func buildBootImageZipInPredefinedLocation(ctx android.ModuleContext, image *bootImageConfig, filesByArch bootImageFilesByArch) {
if filesByArch == nil {
return
}
// Compute the list of files from all the architectures.
zipFiles := android.Paths{}
for _, archType := range android.ArchTypeList() {
zipFiles = append(zipFiles, filesByArch[archType]...)
}
rule := android.NewRuleBuilder(pctx, ctx)
rule.Command().
BuiltTool("soong_zip").
FlagWithOutput("-o ", image.zip).
FlagWithArg("-C ", image.dir.Join(ctx, android.Android.String()).String()).
FlagWithInputList("-f ", zipFiles, " -f ")
rule.Build("zip_"+image.name, "zip "+image.name+" image")
}
// Generate boot image build rules for a specific target.
func buildBootImageVariant(ctx android.ModuleContext, image *bootImageVariant, profile android.Path) android.WritablePaths {
func buildBootImageVariant(ctx android.ModuleContext, image *bootImageVariant, profile android.Path) {
globalSoong := dexpreopt.GetCachedGlobalSoongConfig(ctx)
global := dexpreopt.GetGlobalConfig(ctx)
@ -641,11 +659,8 @@ func buildBootImageVariant(ctx android.ModuleContext, image *bootImageVariant, p
var vdexInstalls android.RuleBuilderInstalls
var unstrippedInstalls android.RuleBuilderInstalls
var zipFiles android.WritablePaths
for _, artOrOat := range image.moduleFiles(ctx, outputDir, ".art", ".oat") {
cmd.ImplicitOutput(artOrOat)
zipFiles = append(zipFiles, artOrOat)
// Install the .oat and .art files
rule.Install(artOrOat, filepath.Join(installDir, artOrOat.Base()))
@ -653,7 +668,6 @@ func buildBootImageVariant(ctx android.ModuleContext, image *bootImageVariant, p
for _, vdex := range image.moduleFiles(ctx, outputDir, ".vdex") {
cmd.ImplicitOutput(vdex)
zipFiles = append(zipFiles, vdex)
// Note that the vdex files are identical between architectures.
// Make rules will create symlinks to share them between architectures.
@ -675,8 +689,6 @@ func buildBootImageVariant(ctx android.ModuleContext, image *bootImageVariant, p
image.installs = rule.Installs()
image.vdexInstalls = vdexInstalls
image.unstrippedInstalls = unstrippedInstalls
return zipFiles
}
const failureMessage = `ERROR: Dex2oat failed to compile a boot image.

5
java/platform_bootclasspath.go
View file

@ -437,7 +437,10 @@ func (b *platformBootclasspathModule) generateBootImageBuildActions(ctx android.
// Build a profile for the image config and then use that to build the boot image.
profile := bootImageProfileRule(ctx, imageConfig)
buildBootImage(ctx, imageConfig, profile)
bootImageFilesByArch := buildBootImage(ctx, imageConfig, profile)
// Zip the boot image files up.
buildBootImageZipInPredefinedLocation(ctx, imageConfig, bootImageFilesByArch)
dumpOatRules(ctx, imageConfig)
}