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Merge "Move generation of global hidden API flags to platform_bootclasspath"

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Paul Duffin 2021-04-12 18:43:31 +00:00 committed by Gerrit Code Review
commit 26bd783d0b
3 changed files with 147 additions and 109 deletions
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129
java/hiddenapi_modular.go
View file

@ -20,7 +20,7 @@ import (
// Contains support for processing hiddenAPI in a modular fashion.
// hiddenAPIAugmentationInfo contains paths to the files that can be used to augment the information
// HiddenAPIAugmentationProperties contains paths to the files that can be used to augment the information
// obtained from annotations within the source code in order to create the complete set of flags
// that should be applied to the dex implementation jars on the bootclasspath.
//
@ -31,31 +31,142 @@ import (
// The Unsupported_packages property contains a list of paths, each of which is a plain text file
// with one Java package per line. All members of all classes within that package (but not nested
// packages) will be updated in a property specific way.
type hiddenAPIAugmentationInfo struct {
type HiddenAPIAugmentationProperties struct {
// Marks each signature in the referenced files as being unsupported.
Unsupported android.Paths
Unsupported []string `android:"path"`
// Marks each signature in the referenced files as being unsupported because it has been removed.
// Any conflicts with other flags are ignored.
Removed android.Paths
Removed []string `android:"path"`
// Marks each signature in the referenced files as being supported only for targetSdkVersion <= R
// and low priority.
Max_target_r_low_priority android.Paths
Max_target_r_low_priority []string `android:"path"`
// Marks each signature in the referenced files as being supported only for targetSdkVersion <= Q.
Max_target_q android.Paths
Max_target_q []string `android:"path"`
// Marks each signature in the referenced files as being supported only for targetSdkVersion <= P.
Max_target_p android.Paths
Max_target_p []string `android:"path"`
// Marks each signature in the referenced files as being supported only for targetSdkVersion <= O
// and low priority. Any conflicts with other flags are ignored.
Max_target_o_low_priority android.Paths
Max_target_o_low_priority []string `android:"path"`
// Marks each signature in the referenced files as being blocked.
Blocked android.Paths
Blocked []string `android:"path"`
// Marks each signature in every package in the referenced files as being unsupported.
Unsupported_packages []string `android:"path"`
}
func (p *HiddenAPIAugmentationProperties) hiddenAPIAugmentationInfo(ctx android.ModuleContext) hiddenAPIAugmentationInfo {
paths := func(paths []string) android.Paths { return android.PathsForModuleSrc(ctx, paths) }
return hiddenAPIAugmentationInfo{
Unsupported: paths(p.Unsupported),
Removed: paths(p.Removed),
Max_target_r_low_priority: paths(p.Max_target_r_low_priority),
Max_target_q: paths(p.Max_target_q),
Max_target_p: paths(p.Max_target_p),
Max_target_o_low_priority: paths(p.Max_target_o_low_priority),
Blocked: paths(p.Blocked),
Unsupported_packages: paths(p.Unsupported_packages),
}
}
// hiddenAPIAugmentationInfo contains paths resolved from HiddenAPIAugmentationProperties
type hiddenAPIAugmentationInfo struct {
// See HiddenAPIAugmentationProperties.Unsupported
Unsupported android.Paths
// See HiddenAPIAugmentationProperties.Removed
Removed android.Paths
// See HiddenAPIAugmentationProperties.Max_target_r_low_priority
Max_target_r_low_priority android.Paths
// See HiddenAPIAugmentationProperties.Max_target_q
Max_target_q android.Paths
// See HiddenAPIAugmentationProperties.Max_target_p
Max_target_p android.Paths
// See HiddenAPIAugmentationProperties.Max_target_o_low_priority
Max_target_o_low_priority android.Paths
// See HiddenAPIAugmentationProperties.Blocked
Blocked android.Paths
// See HiddenAPIAugmentationProperties.Unsupported_packages
Unsupported_packages android.Paths
}
// ruleToGenerateHiddenApiFlags creates a rule to create the monolithic hidden API flags from the
// flags from all the modules, the stub flags, augmented with some additional configuration files.
//
// baseFlagsPath is the path to the flags file containing all the information from the stubs plus
// an entry for every single member in the dex implementation jars of the individual modules. Every
// signature in any of the other files MUST be included in this file.
//
// moduleSpecificFlagsPaths are the paths to the flags files generated by each module using
// information from the baseFlagsPath as well as from annotations within the source.
//
// augmentationInfo is a struct containing paths to files that augment the information provided by
// the moduleSpecificFlagsPaths.
// ruleToGenerateHiddenApiFlags creates a rule to create the monolithic hidden API flags from the
// flags from all the modules, the stub flags, augmented with some additional configuration files.
//
// baseFlagsPath is the path to the flags file containing all the information from the stubs plus
// an entry for every single member in the dex implementation jars of the individual modules. Every
// signature in any of the other files MUST be included in this file.
//
// moduleSpecificFlagsPaths are the paths to the flags files generated by each module using
// information from the baseFlagsPath as well as from annotations within the source.
//
// augmentationInfo is a struct containing paths to files that augment the information provided by
// the moduleSpecificFlagsPaths.
func ruleToGenerateHiddenApiFlags(ctx android.BuilderContext, outputPath android.WritablePath, baseFlagsPath android.Path, moduleSpecificFlagsPaths android.Paths, augmentationInfo hiddenAPIAugmentationInfo) {
tempPath := android.PathForOutput(ctx, outputPath.Rel()+".tmp")
rule := android.NewRuleBuilder(pctx, ctx)
command := rule.Command().
BuiltTool("generate_hiddenapi_lists").
FlagWithInput("--csv ", baseFlagsPath).
Inputs(moduleSpecificFlagsPaths).
FlagWithOutput("--output ", tempPath)
for _, path := range augmentationInfo.Unsupported {
command.FlagWithInput("--unsupported ", path)
}
for _, path := range augmentationInfo.Removed {
command.FlagWithInput("--unsupported ", path).Flag("--ignore-conflicts ").FlagWithArg("--tag ", "removed")
}
for _, path := range augmentationInfo.Max_target_r_low_priority {
command.FlagWithInput("--max-target-r ", path).FlagWithArg("--tag ", "lo-prio")
}
for _, path := range augmentationInfo.Max_target_q {
command.FlagWithInput("--max-target-q ", path)
}
for _, path := range augmentationInfo.Max_target_p {
command.FlagWithInput("--max-target-p ", path)
}
for _, path := range augmentationInfo.Max_target_o_low_priority {
command.FlagWithInput("--max-target-o ", path).Flag("--ignore-conflicts ").FlagWithArg("--tag ", "lo-prio")
}
for _, path := range augmentationInfo.Blocked {
command.FlagWithInput("--blocked ", path)
}
for _, path := range augmentationInfo.Unsupported_packages {
command.FlagWithInput("--unsupported ", path).Flag("--packages ")
}
commitChangeForRestat(rule, tempPath, outputPath)
rule.Build("hiddenAPIFlagsFile", "hiddenapi flags")
}

101
java/hiddenapi_singleton.go
View file

@ -18,7 +18,6 @@ import (
"fmt"
"android/soong/android"
"android/soong/genrule"
)
func init() {
@ -321,109 +320,13 @@ func prebuiltFlagsRule(ctx android.SingletonContext) android.Path {
return outputPath
}
// flagsRule creates a rule to build hiddenapi-flags.csv out of flags.csv files generated for boot image modules and
// the unsupported API.
// flagsRule is a placeholder that simply returns the location of the file, the generation of the
// ninja rules is done in generateHiddenAPIBuildActions.
func flagsRule(ctx android.SingletonContext) android.Path {
var flagsCSV android.Paths
var combinedRemovedApis android.Path
ctx.VisitAllModules(func(module android.Module) {
if h, ok := module.(hiddenAPIIntf); ok {
if csv := h.flagsCSV(); csv != nil {
flagsCSV = append(flagsCSV, csv)
}
} else if g, ok := module.(*genrule.Module); ok {
if ctx.ModuleName(module) == "combined-removed-dex" {
if len(g.GeneratedSourceFiles()) != 1 || combinedRemovedApis != nil {
ctx.Errorf("Expected 1 combined-removed-dex module that generates 1 output file.")
}
combinedRemovedApis = g.GeneratedSourceFiles()[0]
}
}
})
if combinedRemovedApis == nil {
ctx.Errorf("Failed to find combined-removed-dex.")
}
outputPath := hiddenAPISingletonPaths(ctx).flags
stubFlags := hiddenAPISingletonPaths(ctx).stubFlags
pathsForSource := func(paths ...string) android.Paths { return android.PathsForSource(ctx, paths) }
ruleToGenerateHiddenApiFlags(ctx, outputPath, stubFlags, flagsCSV, hiddenAPIAugmentationInfo{
Unsupported: pathsForSource("frameworks/base/boot/hiddenapi/hiddenapi-unsupported.txt"),
Removed: android.Paths{combinedRemovedApis},
Max_target_r_low_priority: pathsForSource("frameworks/base/boot/hiddenapi/hiddenapi-max-target-r-loprio.txt"),
Max_target_q: pathsForSource("frameworks/base/boot/hiddenapi/hiddenapi-max-target-q.txt"),
Max_target_p: pathsForSource("frameworks/base/boot/hiddenapi/hiddenapi-max-target-p.txt"),
Max_target_o_low_priority: pathsForSource("frameworks/base/boot/hiddenapi/hiddenapi-max-target-o.txt"),
Blocked: pathsForSource("frameworks/base/boot/hiddenapi/hiddenapi-force-blocked.txt"),
Unsupported_packages: pathsForSource("frameworks/base/boot/hiddenapi/hiddenapi-unsupported-packages.txt"),
})
return outputPath
}
// ruleToGenerateHiddenApiFlags creates a rule to create the monolithic hidden API flags from the
// flags from all the modules, the stub flags, augmented with some additional configuration files.
//
// baseFlagsPath is the path to the flags file containing all the information from the stubs plus
// an entry for every single member in the dex implementation jars of the individual modules. Every
// signature in any of the other files MUST be included in this file.
//
// moduleSpecificFlagsPaths are the paths to the flags files generated by each module using
// information from the baseFlagsPath as well as from annotations within the source.
//
// augmentationInfo is a struct containing paths to files that augment the information provided by
// the moduleSpecificFlagsPaths.
func ruleToGenerateHiddenApiFlags(ctx android.BuilderContext, outputPath android.WritablePath, baseFlagsPath android.Path, moduleSpecificFlagsPaths android.Paths, augmentationInfo hiddenAPIAugmentationInfo) {
tempPath := android.PathForOutput(ctx, outputPath.Rel()+".tmp")
rule := android.NewRuleBuilder(pctx, ctx)
command := rule.Command().
BuiltTool("generate_hiddenapi_lists").
FlagWithInput("--csv ", baseFlagsPath).
Inputs(moduleSpecificFlagsPaths).
FlagWithOutput("--output ", tempPath)
for _, path := range augmentationInfo.Unsupported {
command.FlagWithInput("--unsupported ", path)
}
for _, path := range augmentationInfo.Removed {
command.FlagWithInput("--unsupported ", path).Flag("--ignore-conflicts ").FlagWithArg("--tag ", "removed")
}
for _, path := range augmentationInfo.Max_target_r_low_priority {
command.FlagWithInput("--max-target-r ", path).FlagWithArg("--tag ", "lo-prio")
}
for _, path := range augmentationInfo.Max_target_q {
command.FlagWithInput("--max-target-q ", path)
}
for _, path := range augmentationInfo.Max_target_p {
command.FlagWithInput("--max-target-p ", path)
}
for _, path := range augmentationInfo.Max_target_o_low_priority {
command.FlagWithInput("--max-target-o ", path).Flag("--ignore-conflicts ").FlagWithArg("--tag ", "lo-prio")
}
for _, path := range augmentationInfo.Blocked {
command.FlagWithInput("--blocked ", path)
}
for _, path := range augmentationInfo.Unsupported_packages {
command.FlagWithInput("--unsupported ", path).Flag("--packages ")
}
commitChangeForRestat(rule, tempPath, outputPath)
rule.Build("hiddenAPIFlagsFile", "hiddenapi flags")
}
// emptyFlagsRule creates a rule to build an empty hiddenapi-flags.csv, which is needed by master-art-host builds that
// have a partial manifest without frameworks/base but still need to build a boot image.
func emptyFlagsRule(ctx android.SingletonContext) android.Path {

26
java/platform_bootclasspath.go
View file

@ -84,10 +84,11 @@ type ApexVariantReference struct {
}
type platformBootclasspathProperties struct {
// The names of the bootclasspath_fragment modules that form part of this
// platform_bootclasspath.
Fragments []ApexVariantReference
Hidden_api HiddenAPIAugmentationProperties
}
func platformBootclasspathFactory() android.Module {
@ -191,6 +192,8 @@ func (b *platformBootclasspathModule) GenerateAndroidBuildActions(ctx android.Mo
}
})
b.generateHiddenAPIBuildActions(ctx, b.configuredModules)
// Nothing to do if skipping the dexpreopt of boot image jars.
if SkipDexpreoptBootJars(ctx) {
return
@ -215,3 +218,24 @@ func (b *platformBootclasspathModule) GenerateAndroidBuildActions(ctx android.Mo
func (b *platformBootclasspathModule) getImageConfig(ctx android.EarlyModuleContext) *bootImageConfig {
return defaultBootImageConfig(ctx)
}
// generateHiddenAPIBuildActions generates all the hidden API related build rules.
func (b *platformBootclasspathModule) generateHiddenAPIBuildActions(ctx android.ModuleContext, modules []android.Module) {
moduleSpecificFlagsPaths := android.Paths{}
for _, module := range modules {
if h, ok := module.(hiddenAPIIntf); ok {
if csv := h.flagsCSV(); csv != nil {
moduleSpecificFlagsPaths = append(moduleSpecificFlagsPaths, csv)
}
} else {
ctx.ModuleErrorf("module %s of type %s does not implement hiddenAPIIntf", module, ctx.OtherModuleType(module))
}
}
augmentationInfo := b.properties.Hidden_api.hiddenAPIAugmentationInfo(ctx)
outputPath := hiddenAPISingletonPaths(ctx).flags
baseFlagsPath := hiddenAPISingletonPaths(ctx).stubFlags
ruleToGenerateHiddenApiFlags(ctx, outputPath, baseFlagsPath, moduleSpecificFlagsPaths, augmentationInfo)
}