Merge "Diff source dump and previous version dump for Cross-Version ABI Check"

This commit is contained in:
Mu-Le Lee
2022-08-16 05:07:28 +00:00
committed by Gerrit Code Review
3 changed files with 77 additions and 12 deletions

View File

@@ -226,17 +226,27 @@ func (library *libraryDecorator) androidMkWriteExportedFlags(entries *android.An
}
}
func (library *libraryDecorator) androidMkEntriesWriteAdditionalDependenciesForSourceAbiDiff(entries *android.AndroidMkEntries) {
if library.sAbiDiff.Valid() && !library.static() {
entries.AddStrings("LOCAL_ADDITIONAL_DEPENDENCIES", library.sAbiDiff.String())
func (library *libraryDecorator) getAbiDiffsForAndroidMkDeps() []string {
if library.static() {
return nil
}
var abiDiffs []string
if library.sAbiDiff.Valid() {
abiDiffs = append(abiDiffs, library.sAbiDiff.String())
}
if library.prevSAbiDiff.Valid() {
abiDiffs = append(abiDiffs, library.prevSAbiDiff.String())
}
return abiDiffs
}
func (library *libraryDecorator) androidMkEntriesWriteAdditionalDependenciesForSourceAbiDiff(entries *android.AndroidMkEntries) {
entries.AddStrings("LOCAL_ADDITIONAL_DEPENDENCIES", library.getAbiDiffsForAndroidMkDeps()...)
}
// TODO(ccross): remove this once apex/androidmk.go is converted to AndroidMkEntries
func (library *libraryDecorator) androidMkWriteAdditionalDependenciesForSourceAbiDiff(w io.Writer) {
if library.sAbiDiff.Valid() && !library.static() {
fmt.Fprintln(w, "LOCAL_ADDITIONAL_DEPENDENCIES +=", library.sAbiDiff.String())
}
fmt.Fprintln(w, "LOCAL_ADDITIONAL_DEPENDENCIES +=", strings.Join(library.getAbiDiffsForAndroidMkDeps(), " "))
}
func (library *libraryDecorator) AndroidMkEntries(ctx AndroidMkContext, entries *android.AndroidMkEntries) {

View File

@@ -920,10 +920,15 @@ func unzipRefDump(ctx android.ModuleContext, zippedRefDump android.Path, baseNam
// sourceAbiDiff registers a build statement to compare linked sAbi dump files (.lsdump).
func sourceAbiDiff(ctx android.ModuleContext, inputDump android.Path, referenceDump android.Path,
baseName, exportedHeaderFlags string, diffFlags []string,
checkAllApis, isLlndk, isNdk, isVndkExt bool) android.OptionalPath {
baseName, prevVersion, exportedHeaderFlags string, diffFlags []string,
checkAllApis, isLlndk, isNdk, isVndkExt, previousVersionDiff bool) android.OptionalPath {
outputFile := android.PathForModuleOut(ctx, baseName+".abidiff")
var outputFile android.ModuleOutPath
if prevVersion == "" {
outputFile = android.PathForModuleOut(ctx, baseName+".abidiff")
} else {
outputFile = android.PathForModuleOut(ctx, baseName+"."+prevVersion+".abidiff")
}
libName := strings.TrimSuffix(baseName, filepath.Ext(baseName))
var extraFlags []string
@@ -935,10 +940,15 @@ func sourceAbiDiff(ctx android.ModuleContext, inputDump android.Path, referenceD
"-allow-unreferenced-elf-symbol-changes")
}
// TODO(b/241496591): Remove -advice-only after b/239792343 and b/239790286 are reolved.
if previousVersionDiff {
extraFlags = append(extraFlags, "-advice-only")
}
if isLlndk || isNdk {
extraFlags = append(extraFlags, "-consider-opaque-types-different")
}
if isVndkExt {
if isVndkExt || previousVersionDiff {
extraFlags = append(extraFlags, "-allow-extensions")
}
// TODO(b/232891473): Simplify the above logic with diffFlags.

View File

@@ -613,6 +613,9 @@ type libraryDecorator struct {
// Source Abi Diff
sAbiDiff android.OptionalPath
// Source Abi Diff against previous SDK version
prevSAbiDiff android.OptionalPath
// Location of the static library in the sysroot. Empty if the library is
// not included in the NDK.
ndkSysrootPath android.Path
@@ -1620,9 +1623,39 @@ func getRefAbiDumpFile(ctx ModuleContext, vndkVersion, fileName string) android.
return nil
}
func prevDumpRefVersion(ctx ModuleContext) string {
sdkVersionInt := ctx.Config().PlatformSdkVersion().FinalInt()
sdkVersionStr := ctx.Config().PlatformSdkVersion().String()
if ctx.Config().PlatformSdkFinal() {
return strconv.Itoa(sdkVersionInt - 1)
} else {
var dirName string
isNdk := ctx.isNdk(ctx.Config())
if isNdk {
dirName = "ndk"
} else {
dirName = "platform"
}
// The platform SDK version can be upgraded before finalization while the corresponding abi dumps hasn't
// been generated. Thus the Cross-Version Check chooses PLATFORM_SDK_VERION - 1 as previous version.
// This situation could be identified by checking the existence of the PLATFORM_SDK_VERION dump directory.
refDumpDir := android.ExistentPathForSource(ctx, "prebuilts", "abi-dumps", dirName, sdkVersionStr)
if refDumpDir.Valid() {
return sdkVersionStr
} else {
return strconv.Itoa(sdkVersionInt - 1)
}
}
}
func (library *libraryDecorator) linkSAbiDumpFiles(ctx ModuleContext, objs Objects, fileName string, soFile android.Path) {
if library.sabi.shouldCreateSourceAbiDump() {
var version string
var prevVersion string
if ctx.useVndk() {
// For modules linking against vndk, follow its vndk version
version = ctx.Module().(*Module).VndkVersion()
@@ -1634,6 +1667,7 @@ func (library *libraryDecorator) linkSAbiDumpFiles(ctx ModuleContext, objs Objec
} else {
version = "current"
}
prevVersion = prevDumpRefVersion(ctx)
}
exportIncludeDirs := library.flagExporter.exportedIncludes(ctx)
@@ -1652,13 +1686,24 @@ func (library *libraryDecorator) linkSAbiDumpFiles(ctx ModuleContext, objs Objec
addLsdumpPath(classifySourceAbiDump(ctx) + ":" + library.sAbiOutputFile.String())
if prevVersion != "" {
prevRefAbiDumpFile := getRefAbiDumpFile(ctx, prevVersion, fileName)
if prevRefAbiDumpFile != nil {
library.prevSAbiDiff = sourceAbiDiff(ctx, library.sAbiOutputFile.Path(),
prevRefAbiDumpFile, fileName, prevVersion, exportedHeaderFlags,
library.Properties.Header_abi_checker.Diff_flags,
Bool(library.Properties.Header_abi_checker.Check_all_apis),
ctx.IsLlndk(), ctx.isNdk(ctx.Config()), ctx.IsVndkExt(), true)
}
}
refAbiDumpFile := getRefAbiDumpFile(ctx, version, fileName)
if refAbiDumpFile != nil {
library.sAbiDiff = sourceAbiDiff(ctx, library.sAbiOutputFile.Path(),
refAbiDumpFile, fileName, exportedHeaderFlags,
refAbiDumpFile, fileName, "", exportedHeaderFlags,
library.Properties.Header_abi_checker.Diff_flags,
Bool(library.Properties.Header_abi_checker.Check_all_apis),
ctx.IsLlndk(), ctx.isNdk(ctx.Config()), ctx.IsVndkExt())
ctx.IsLlndk(), ctx.isNdk(ctx.Config()), ctx.IsVndkExt(), false)
}
}
}