Merge "Update linker.config.pb based on package dependency" into main
diff --git a/filesystem/system_image.go b/filesystem/system_image.go
index 78ce377..5028a49 100644
--- a/filesystem/system_image.go
+++ b/filesystem/system_image.go
@@ -56,19 +56,40 @@
output := root.Join(ctx, "system", "etc", "linker.config.pb")
// we need "Module"s for packaging items
- var otherModules []android.Module
+ modulesInPackageByModule := make(map[android.Module]bool)
+ modulesInPackageByName := make(map[string]bool)
+
deps := s.gatherFilteredPackagingSpecs(ctx)
ctx.WalkDeps(func(child, parent android.Module) bool {
for _, ps := range child.PackagingSpecs() {
if _, ok := deps[ps.RelPathInPackage()]; ok {
- otherModules = append(otherModules, child)
+ modulesInPackageByModule[child] = true
+ modulesInPackageByName[child.Name()] = true
+ return true
}
}
return true
})
+ provideModules := make([]android.Module, 0, len(modulesInPackageByModule))
+ for mod := range modulesInPackageByModule {
+ provideModules = append(provideModules, mod)
+ }
+
+ var requireModules []android.Module
+ ctx.WalkDeps(func(child, parent android.Module) bool {
+ _, parentInPackage := modulesInPackageByModule[parent]
+ _, childInPackageName := modulesInPackageByName[child.Name()]
+
+ // When parent is in the package, and child (or its variant) is not, this can be from an interface.
+ if parentInPackage && !childInPackageName {
+ requireModules = append(requireModules, child)
+ }
+ return true
+ })
+
builder := android.NewRuleBuilder(pctx, ctx)
- linkerconfig.BuildLinkerConfig(ctx, builder, input, otherModules, output)
+ linkerconfig.BuildLinkerConfig(ctx, builder, input, provideModules, requireModules, output)
builder.Build("conv_linker_config", "Generate linker config protobuf "+output.String())
return output
}
diff --git a/linkerconfig/linkerconfig.go b/linkerconfig/linkerconfig.go
index 78b62d9..98aa408 100644
--- a/linkerconfig/linkerconfig.go
+++ b/linkerconfig/linkerconfig.go
@@ -89,7 +89,7 @@
output := android.PathForModuleOut(ctx, "linker.config.pb").OutputPath
builder := android.NewRuleBuilder(pctx, ctx)
- BuildLinkerConfig(ctx, builder, input, nil, output)
+ BuildLinkerConfig(ctx, builder, input, nil, nil, output)
builder.Build("conv_linker_config", "Generate linker config protobuf "+output.String())
l.outputFilePath = output
@@ -101,7 +101,7 @@
}
func BuildLinkerConfig(ctx android.ModuleContext, builder *android.RuleBuilder,
- input android.Path, otherModules []android.Module, output android.OutputPath) {
+ input android.Path, provideModules []android.Module, requireModules []android.Module, output android.OutputPath) {
// First, convert the input json to protobuf format
interimOutput := android.PathForModuleOut(ctx, "temp.pb")
@@ -111,9 +111,9 @@
FlagWithInput("-s ", input).
FlagWithOutput("-o ", interimOutput)
- // Secondly, if there's provideLibs gathered from otherModules, append them
+ // Secondly, if there's provideLibs gathered from provideModules, append them
var provideLibs []string
- for _, m := range otherModules {
+ for _, m := range provideModules {
if c, ok := m.(*cc.Module); ok && cc.IsStubTarget(c) {
for _, ps := range c.PackagingSpecs() {
provideLibs = append(provideLibs, ps.FileName())
@@ -122,18 +122,45 @@
}
provideLibs = android.FirstUniqueStrings(provideLibs)
sort.Strings(provideLibs)
+
+ var requireLibs []string
+ for _, m := range requireModules {
+ if c, ok := m.(*cc.Module); ok && c.HasStubsVariants() && !c.Host() {
+ requireLibs = append(requireLibs, c.ImplementationModuleName(ctx)+".so")
+ }
+ }
+
+ requireLibs = android.FirstUniqueStrings(requireLibs)
+ sort.Strings(requireLibs)
+
if len(provideLibs) > 0 {
+ prevOutput := interimOutput
+ interimOutput = android.PathForModuleOut(ctx, "temp_provideLibs.pb")
builder.Command().
BuiltTool("conv_linker_config").
Flag("append").
- FlagWithInput("-s ", interimOutput).
- FlagWithOutput("-o ", output).
+ FlagWithInput("-s ", prevOutput).
+ FlagWithOutput("-o ", interimOutput).
FlagWithArg("--key ", "provideLibs").
FlagWithArg("--value ", proptools.ShellEscapeIncludingSpaces(strings.Join(provideLibs, " ")))
- } else {
- // If nothing to add, just cp to the final output
- builder.Command().Text("cp").Input(interimOutput).Output(output)
+ builder.Temporary(prevOutput)
}
+ if len(requireLibs) > 0 {
+ prevOutput := interimOutput
+ interimOutput = android.PathForModuleOut(ctx, "temp_requireLibs.pb")
+ builder.Command().
+ BuiltTool("conv_linker_config").
+ Flag("append").
+ FlagWithInput("-s ", prevOutput).
+ FlagWithOutput("-o ", interimOutput).
+ FlagWithArg("--key ", "requireLibs").
+ FlagWithArg("--value ", proptools.ShellEscapeIncludingSpaces(strings.Join(requireLibs, " ")))
+ builder.Temporary(prevOutput)
+ }
+
+ // cp to the final output
+ builder.Command().Text("cp").Input(interimOutput).Output(output)
+
builder.Temporary(interimOutput)
builder.DeleteTemporaryFiles()
}