Merge "release-config: disallow new duplicate flag declarations" into main
diff --git a/android/module.go b/android/module.go
index dd56031..98cd459 100644
--- a/android/module.go
+++ b/android/module.go
@@ -2504,8 +2504,9 @@
} else if cta, isCta := ctx.(*singletonContextAdaptor); isCta {
providerData, _ := cta.moduleProvider(module, OutputFilesProvider)
outputFiles, _ = providerData.(OutputFilesInfo)
+ } else {
+ return nil, fmt.Errorf("unsupported context %q in method outputFilesForModuleFromProvider", reflect.TypeOf(ctx))
}
- // TODO: Add a check for skipped context
if outputFiles.isEmpty() {
return nil, OutputFilesProviderNotSet
diff --git a/cc/ccdeps.go b/cc/ccdeps.go
index d30abba..469fe31 100644
--- a/cc/ccdeps.go
+++ b/cc/ccdeps.go
@@ -85,9 +85,8 @@
moduleDeps := ccDeps{}
moduleInfos := map[string]ccIdeInfo{}
- // Track which projects have already had CMakeLists.txt generated to keep the first
- // variant for each project.
- seenProjects := map[string]bool{}
+ // Track if best variant (device arch match) has been found.
+ bestVariantFound := map[string]bool{}
pathToCC, _ := evalVariable(ctx, "${config.ClangBin}/")
moduleDeps.C_clang = fmt.Sprintf("%s%s", buildCMakePath(pathToCC), cClang)
@@ -96,7 +95,7 @@
ctx.VisitAllModules(func(module android.Module) {
if ccModule, ok := module.(*Module); ok {
if compiledModule, ok := ccModule.compiler.(CompiledInterface); ok {
- generateCLionProjectData(ctx, compiledModule, ccModule, seenProjects, moduleInfos)
+ generateCLionProjectData(ctx, compiledModule, ccModule, bestVariantFound, moduleInfos)
}
}
})
@@ -180,26 +179,30 @@
}
func generateCLionProjectData(ctx android.SingletonContext, compiledModule CompiledInterface,
- ccModule *Module, seenProjects map[string]bool, moduleInfos map[string]ccIdeInfo) {
+ ccModule *Module, bestVariantFound map[string]bool, moduleInfos map[string]ccIdeInfo) {
+ moduleName := ccModule.ModuleBase.Name()
srcs := compiledModule.Srcs()
+
+ // Skip if best variant has already been found.
+ if bestVariantFound[moduleName] {
+ return
+ }
+
+ // Skip if sources are empty.
if len(srcs) == 0 {
return
}
- // Only keep the DeviceArch variant module.
- if ctx.DeviceConfig().DeviceArch() != ccModule.ModuleBase.Arch().ArchType.Name {
+ // Check if device arch matches, in which case this is the best variant and takes precedence.
+ if ccModule.Device() && ccModule.ModuleBase.Arch().ArchType.Name == ctx.DeviceConfig().DeviceArch() {
+ bestVariantFound[moduleName] = true
+ } else if _, ok := moduleInfos[moduleName]; ok {
+ // Skip because this isn't the best variant and a previous one has already been added.
+ // Heuristically, ones that appear first are likely to be more relevant.
return
}
- clionProjectLocation := getCMakeListsForModule(ccModule, ctx)
- if seenProjects[clionProjectLocation] {
- return
- }
-
- seenProjects[clionProjectLocation] = true
-
- name := ccModule.ModuleBase.Name()
- dpInfo := moduleInfos[name]
+ dpInfo := ccIdeInfo{}
dpInfo.Path = append(dpInfo.Path, path.Dir(ctx.BlueprintFile(ccModule)))
dpInfo.Srcs = append(dpInfo.Srcs, srcs.Strings()...)
@@ -216,9 +219,9 @@
dpInfo.Local_Cpp_flags = parseCompilerCCParameters(ctx, ccModule.flags.Local.CppFlags)
dpInfo.System_include_flags = parseCompilerCCParameters(ctx, ccModule.flags.SystemIncludeFlags)
- dpInfo.Module_name = name
+ dpInfo.Module_name = moduleName
- moduleInfos[name] = dpInfo
+ moduleInfos[moduleName] = dpInfo
}
type Deal struct {
diff --git a/elf/Android.bp b/elf/Android.bp
index 6450be1..6d3f4f0 100644
--- a/elf/Android.bp
+++ b/elf/Android.bp
@@ -20,6 +20,7 @@
name: "soong-elf",
pkgPath: "android/soong/elf",
srcs: [
+ "build_id_dir.go",
"elf.go",
],
testSrcs: [
diff --git a/elf/build_id_dir.go b/elf/build_id_dir.go
new file mode 100644
index 0000000..5fb7dda
--- /dev/null
+++ b/elf/build_id_dir.go
@@ -0,0 +1,172 @@
+// Copyright 2024 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package elf
+
+import (
+ "io/fs"
+ "os"
+ "path/filepath"
+ "strings"
+ "sync"
+ "time"
+)
+
+func UpdateBuildIdDir(path string) error {
+ path = filepath.Clean(path)
+ buildIdPath := path + "/.build-id"
+
+ // Collect the list of files and build-id symlinks. If the symlinks are
+ // up to date (newer than the symbol files), there is nothing to do.
+ var buildIdFiles, symbolFiles []string
+ var buildIdMtime, symbolsMtime time.Time
+ filepath.WalkDir(path, func(path string, entry fs.DirEntry, err error) error {
+ if entry == nil || entry.IsDir() {
+ return nil
+ }
+ info, err := entry.Info()
+ if err != nil {
+ return err
+ }
+ mtime := info.ModTime()
+ if strings.HasPrefix(path, buildIdPath) {
+ if buildIdMtime.Compare(mtime) < 0 {
+ buildIdMtime = mtime
+ }
+ buildIdFiles = append(buildIdFiles, path)
+ } else {
+ if symbolsMtime.Compare(mtime) < 0 {
+ symbolsMtime = mtime
+ }
+ symbolFiles = append(symbolFiles, path)
+ }
+ return nil
+ })
+ if symbolsMtime.Compare(buildIdMtime) < 0 {
+ return nil
+ }
+
+ // Collect build-id -> file mapping from ELF files in the symbols directory.
+ concurrency := 8
+ done := make(chan error)
+ buildIdToFile := make(map[string]string)
+ var mu sync.Mutex
+ for i := 0; i != concurrency; i++ {
+ go func(paths []string) {
+ for _, path := range paths {
+ id, err := Identifier(path, true)
+ if err != nil {
+ done <- err
+ return
+ }
+ if id == "" {
+ continue
+ }
+ mu.Lock()
+ oldPath := buildIdToFile[id]
+ if oldPath == "" || oldPath > path {
+ buildIdToFile[id] = path
+ }
+ mu.Unlock()
+ }
+ done <- nil
+ }(symbolFiles[len(symbolFiles)*i/concurrency : len(symbolFiles)*(i+1)/concurrency])
+ }
+
+ // Collect previously generated build-id -> file mapping from the .build-id directory.
+ // We will use this for incremental updates. If we see anything in the .build-id
+ // directory that we did not expect, we'll delete it and start over.
+ prevBuildIdToFile := make(map[string]string)
+out:
+ for _, buildIdFile := range buildIdFiles {
+ if !strings.HasSuffix(buildIdFile, ".debug") {
+ prevBuildIdToFile = nil
+ break
+ }
+ buildId := buildIdFile[len(buildIdPath)+1 : len(buildIdFile)-6]
+ for i, ch := range buildId {
+ if i == 2 {
+ if ch != '/' {
+ prevBuildIdToFile = nil
+ break out
+ }
+ } else {
+ if (ch < '0' || ch > '9') && (ch < 'a' || ch > 'f') {
+ prevBuildIdToFile = nil
+ break out
+ }
+ }
+ }
+ target, err := os.Readlink(buildIdFile)
+ if err != nil || !strings.HasPrefix(target, "../../") {
+ prevBuildIdToFile = nil
+ break
+ }
+ prevBuildIdToFile[buildId[0:2]+buildId[3:]] = path + target[5:]
+ }
+ if prevBuildIdToFile == nil {
+ err := os.RemoveAll(buildIdPath)
+ if err != nil {
+ return err
+ }
+ prevBuildIdToFile = make(map[string]string)
+ }
+
+ // Wait for build-id collection from ELF files to finish.
+ for i := 0; i != concurrency; i++ {
+ err := <-done
+ if err != nil {
+ return err
+ }
+ }
+
+ // Delete old symlinks.
+ for id, _ := range prevBuildIdToFile {
+ if buildIdToFile[id] == "" {
+ symlinkDir := buildIdPath + "/" + id[:2]
+ symlinkPath := symlinkDir + "/" + id[2:] + ".debug"
+ if err := os.Remove(symlinkPath); err != nil {
+ return err
+ }
+ }
+ }
+
+ // Add new symlinks and update changed symlinks.
+ for id, path := range buildIdToFile {
+ prevPath := prevBuildIdToFile[id]
+ if prevPath == path {
+ continue
+ }
+ symlinkDir := buildIdPath + "/" + id[:2]
+ symlinkPath := symlinkDir + "/" + id[2:] + ".debug"
+ if prevPath == "" {
+ if err := os.MkdirAll(symlinkDir, 0755); err != nil {
+ return err
+ }
+ } else {
+ if err := os.Remove(symlinkPath); err != nil {
+ return err
+ }
+ }
+
+ target, err := filepath.Rel(symlinkDir, path)
+ if err != nil {
+ return err
+ }
+ if err := os.Symlink(target, symlinkPath); err != nil {
+ return err
+ }
+ }
+ return nil
+}
diff --git a/ui/build/Android.bp b/ui/build/Android.bp
index ee286f6..fcf29c5 100644
--- a/ui/build/Android.bp
+++ b/ui/build/Android.bp
@@ -36,6 +36,7 @@
"blueprint-bootstrap",
"blueprint-microfactory",
"soong-android",
+ "soong-elf",
"soong-finder",
"soong-remoteexec",
"soong-shared",
diff --git a/ui/build/build.go b/ui/build/build.go
index 03d8392..c7319ed 100644
--- a/ui/build/build.go
+++ b/ui/build/build.go
@@ -22,6 +22,7 @@
"sync"
"text/template"
+ "android/soong/elf"
"android/soong/ui/metrics"
)
@@ -344,6 +345,7 @@
installCleanIfNecessary(ctx, config)
}
runNinjaForBuild(ctx, config)
+ updateBuildIdDir(ctx, config)
}
if what&RunDistActions != 0 {
@@ -351,6 +353,16 @@
}
}
+func updateBuildIdDir(ctx Context, config Config) {
+ ctx.BeginTrace(metrics.RunShutdownTool, "update_build_id_dir")
+ defer ctx.EndTrace()
+
+ symbolsDir := filepath.Join(config.ProductOut(), "symbols")
+ if err := elf.UpdateBuildIdDir(symbolsDir); err != nil {
+ ctx.Printf("failed to update %s/.build-id: %v", symbolsDir, err)
+ }
+}
+
func evaluateWhatToRun(config Config, verboseln func(v ...interface{})) int {
//evaluate what to run
what := 0