Use OutputFilesProvider on bpf
This changes makes bpf module type uses OutputFilesProvider,
instead of current OutputFileProducer for inter-module-
communication.
Test: CI
Bug: 339477385
Bug: 342406930
Change-Id: I85d1141e9f6583cc5427756107da99f56b0c7ea1
diff --git a/android/module.go b/android/module.go
index fed1d0e..dc585d2 100644
--- a/android/module.go
+++ b/android/module.go
@@ -915,6 +915,10 @@
// moduleInfoJSON can be filled out by GenerateAndroidBuildActions to write a JSON file that will
// be included in the final module-info.json produced by Make.
moduleInfoJSON *ModuleInfoJSON
+
+ // outputFiles stores the output of a module by tag and is used to set
+ // the OutputFilesProvider in GenerateBuildActions
+ outputFiles OutputFilesInfo
}
func (m *ModuleBase) AddJSONData(d *map[string]interface{}) {
@@ -1996,6 +2000,10 @@
m.buildParams = ctx.buildParams
m.ruleParams = ctx.ruleParams
m.variables = ctx.variables
+
+ if m.outputFiles.DefaultOutputFiles != nil || m.outputFiles.TaggedOutputFiles != nil {
+ SetProvider(ctx, OutputFilesProvider, m.outputFiles)
+ }
}
func SetJarJarPrefixHandler(handler func(ModuleContext)) {
@@ -2445,11 +2453,15 @@
}
func outputFilesForModule(ctx PathContext, module blueprint.Module, tag string) (Paths, error) {
+ outputFilesFromProvider, err := outputFilesForModuleFromProvider(ctx, module, tag)
+ if outputFilesFromProvider != nil || err != nil {
+ return outputFilesFromProvider, err
+ }
if outputFileProducer, ok := module.(OutputFileProducer); ok {
paths, err := outputFileProducer.OutputFiles(tag)
if err != nil {
- return nil, fmt.Errorf("failed to get output file from module %q: %s",
- pathContextName(ctx, module), err.Error())
+ return nil, fmt.Errorf("failed to get output file from module %q at tag %q: %s",
+ pathContextName(ctx, module), tag, err.Error())
}
return paths, nil
} else if sourceFileProducer, ok := module.(SourceFileProducer); ok {
@@ -2459,10 +2471,54 @@
paths := sourceFileProducer.Srcs()
return paths, nil
} else {
- return nil, fmt.Errorf("module %q is not an OutputFileProducer", pathContextName(ctx, module))
+ return nil, fmt.Errorf("module %q is not an OutputFileProducer or SourceFileProducer", pathContextName(ctx, module))
}
}
+// This method uses OutputFilesProvider for output files
+// *inter-module-communication*.
+// If mctx module is the same as the param module the output files are obtained
+// from outputFiles property of module base, to avoid both setting and
+// reading OutputFilesProvider before GenerateBuildActions is finished. Also
+// only empty-string-tag is supported in this case.
+// If a module doesn't have the OutputFilesProvider, nil is returned.
+func outputFilesForModuleFromProvider(ctx PathContext, module blueprint.Module, tag string) (Paths, error) {
+ // TODO: support OutputFilesProvider for singletons
+ mctx, ok := ctx.(ModuleContext)
+ if !ok {
+ return nil, nil
+ }
+ if mctx.Module() != module {
+ if outputFilesProvider, ok := OtherModuleProvider(mctx, module, OutputFilesProvider); ok {
+ if tag == "" {
+ return outputFilesProvider.DefaultOutputFiles, nil
+ } else if taggedOutputFiles, hasTag := outputFilesProvider.TaggedOutputFiles[tag]; hasTag {
+ return taggedOutputFiles, nil
+ } else {
+ return nil, fmt.Errorf("unsupported module reference tag %q", tag)
+ }
+ }
+ } else {
+ if tag == "" {
+ return mctx.Module().base().outputFiles.DefaultOutputFiles, nil
+ } else {
+ return nil, fmt.Errorf("unsupported tag %q for module getting its own output files", tag)
+ }
+ }
+ // TODO: Add a check for param module not having OutputFilesProvider set
+ return nil, nil
+}
+
+type OutputFilesInfo struct {
+ // default output files when tag is an empty string ""
+ DefaultOutputFiles Paths
+
+ // the corresponding output files for given tags
+ TaggedOutputFiles map[string]Paths
+}
+
+var OutputFilesProvider = blueprint.NewProvider[OutputFilesInfo]()
+
// Modules can implement HostToolProvider and return a valid OptionalPath from HostToolPath() to
// specify that they can be used as a tool by a genrule module.
type HostToolProvider interface {