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Commit 5324cc84 authored by Jiakai Zhang's avatar Jiakai Zhang Committed by Gerrit Code Review
Browse files

Merge "Move CLC construction to Ninja phase."

parents 204beb18 a4496789
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+24 −55
Original line number Diff line number Diff line
@@ -17,11 +17,11 @@ package dexpreopt
import (
	"encoding/json"
	"fmt"
	"sort"
	"strconv"
	"strings"

	"android/soong/android"

	"github.com/google/blueprint/proptools"
)

// This comment describes the following:
@@ -310,8 +310,8 @@ func (clcMap ClassLoaderContextMap) addContext(ctx android.ModuleInstallPathCont
	// Nested class loader context shouldn't have conditional part (it is allowed only at the top level).
	for ver, _ := range nestedClcMap {
		if ver != AnySdkVersion {
			clcStr, _ := ComputeClassLoaderContext(nestedClcMap)
			return fmt.Errorf("nested class loader context shouldn't have conditional part: %s", clcStr)
			clcPaths := ComputeClassLoaderContextDependencies(nestedClcMap)
			return fmt.Errorf("nested class loader context shouldn't have conditional part: %+v", clcPaths)
		}
	}
	subcontexts := nestedClcMap[AnySdkVersion]
@@ -418,6 +418,15 @@ func (clcMap ClassLoaderContextMap) Dump() string {
	return string(bytes)
}

func (clcMap ClassLoaderContextMap) DumpForFlag() string {
	jsonCLC := toJsonClassLoaderContext(clcMap)
	bytes, err := json.Marshal(jsonCLC)
	if err != nil {
		panic(err)
	}
	return proptools.ShellEscapeIncludingSpaces(string(bytes))
}

// excludeLibsFromCLCList excludes the libraries from the ClassLoaderContext in this list.
//
// This treats the supplied list as being immutable (as it may come from a dependency). So, it
@@ -544,67 +553,27 @@ func validateClassLoaderContextRec(sdkVer int, clcs []*ClassLoaderContext) (bool
	return true, nil
}

// Return the class loader context as a string, and a slice of build paths for all dependencies.
// Returns a slice of build paths for all possible dependencies that the class loader context may
// refer to.
// Perform a depth-first preorder traversal of the class loader context tree for each SDK version.
// Return the resulting string and a slice of on-host build paths to all library dependencies.
func ComputeClassLoaderContext(clcMap ClassLoaderContextMap) (clcStr string, paths android.Paths) {
	// CLC for different SDK versions should come in specific order that agrees with PackageManager.
	// Since PackageManager processes SDK versions in ascending order and prepends compatibility
	// libraries at the front, the required order is descending, except for AnySdkVersion that has
	// numerically the largest order, but must be the last one. Example of correct order: [30, 29,
	// 28, AnySdkVersion]. There are Soong tests to ensure that someone doesn't change this by
	// accident, but there is no way to guard against changes in the PackageManager, except for
	// grepping logcat on the first boot for absence of the following messages:
	//
	//   `logcat | grep -E 'ClassLoaderContext [a-z ]+ mismatch`
	//
	versions := make([]int, 0, len(clcMap))
	for ver, _ := range clcMap {
		if ver != AnySdkVersion {
			versions = append(versions, ver)
		}
	}
	sort.Sort(sort.Reverse(sort.IntSlice(versions))) // descending order
	versions = append(versions, AnySdkVersion)

	for _, sdkVer := range versions {
		sdkVerStr := fmt.Sprintf("%d", sdkVer)
		if sdkVer == AnySdkVersion {
			sdkVerStr = "any" // a special keyword that means any SDK version
		}
		hostClc, targetClc, hostPaths := computeClassLoaderContextRec(clcMap[sdkVer])
		if hostPaths != nil {
			clcStr += fmt.Sprintf(" --host-context-for-sdk %s %s", sdkVerStr, hostClc)
			clcStr += fmt.Sprintf(" --target-context-for-sdk %s %s", sdkVerStr, targetClc)
		}
func ComputeClassLoaderContextDependencies(clcMap ClassLoaderContextMap) android.Paths {
	var paths android.Paths
	for _, clcs := range clcMap {
		hostPaths := ComputeClassLoaderContextDependenciesRec(clcs)
		paths = append(paths, hostPaths...)
	}
	return clcStr, android.FirstUniquePaths(paths)
	return android.FirstUniquePaths(paths)
}

// Helper function for ComputeClassLoaderContext() that handles recursion.
func computeClassLoaderContextRec(clcs []*ClassLoaderContext) (string, string, android.Paths) {
// Helper function for ComputeClassLoaderContextDependencies() that handles recursion.
func ComputeClassLoaderContextDependenciesRec(clcs []*ClassLoaderContext) android.Paths {
	var paths android.Paths
	var clcsHost, clcsTarget []string

	for _, clc := range clcs {
		subClcHost, subClcTarget, subPaths := computeClassLoaderContextRec(clc.Subcontexts)
		if subPaths != nil {
			subClcHost = "{" + subClcHost + "}"
			subClcTarget = "{" + subClcTarget + "}"
		}

		clcsHost = append(clcsHost, "PCL["+clc.Host.String()+"]"+subClcHost)
		clcsTarget = append(clcsTarget, "PCL["+clc.Device+"]"+subClcTarget)

		subPaths := ComputeClassLoaderContextDependenciesRec(clc.Subcontexts)
		paths = append(paths, clc.Host)
		paths = append(paths, subPaths...)
	}

	clcHost := strings.Join(clcsHost, "#")
	clcTarget := strings.Join(clcsTarget, "#")

	return clcHost, clcTarget, paths
	return paths
}

// Class loader contexts that come from Make via JSON dexpreopt.config. JSON CLC representation is
+22 −74
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ package dexpreopt
import (
	"fmt"
	"reflect"
	"sort"
	"strings"
	"testing"

@@ -34,7 +35,7 @@ func TestCLC(t *testing.T) {
	// │   └── android.hidl.base
	// │
	// └── any
	//     ├── a
	//     ├── a'  (a single quotation mark (') is there to test escaping)
	//     ├── b
	//     ├── c
	//     ├── d
@@ -53,7 +54,7 @@ func TestCLC(t *testing.T) {

	m := make(ClassLoaderContextMap)

	m.AddContext(ctx, AnySdkVersion, "a", optional, buildPath(ctx, "a"), installPath(ctx, "a"), nil)
	m.AddContext(ctx, AnySdkVersion, "a'", optional, buildPath(ctx, "a"), installPath(ctx, "a"), nil)
	m.AddContext(ctx, AnySdkVersion, "b", optional, buildPath(ctx, "b"), installPath(ctx, "b"), nil)
	m.AddContext(ctx, AnySdkVersion, "c", optional, buildPath(ctx, "c"), installPath(ctx, "c"), nil)

@@ -96,11 +97,10 @@ func TestCLC(t *testing.T) {

	fixClassLoaderContext(m)

	var haveStr string
	var havePaths android.Paths
	var haveUsesLibsReq, haveUsesLibsOpt []string
	if valid && validationError == nil {
		haveStr, havePaths = ComputeClassLoaderContext(m)
		havePaths = ComputeClassLoaderContextDependencies(m)
		haveUsesLibsReq, haveUsesLibsOpt = m.UsesLibs()
	}

@@ -111,29 +111,6 @@ func TestCLC(t *testing.T) {
		}
	})

	// Test that class loader context structure is correct.
	t.Run("string", func(t *testing.T) {
		wantStr := " --host-context-for-sdk 29 " +
			"PCL[out/soong/" + AndroidHidlManager + ".jar]#" +
			"PCL[out/soong/" + AndroidHidlBase + ".jar]" +
			" --target-context-for-sdk 29 " +
			"PCL[/system/framework/" + AndroidHidlManager + ".jar]#" +
			"PCL[/system/framework/" + AndroidHidlBase + ".jar]" +
			" --host-context-for-sdk any " +
			"PCL[out/soong/a.jar]#PCL[out/soong/b.jar]#PCL[out/soong/c.jar]#PCL[out/soong/d.jar]" +
			"{PCL[out/soong/a2.jar]#PCL[out/soong/b2.jar]#PCL[out/soong/c2.jar]" +
			"{PCL[out/soong/a1.jar]#PCL[out/soong/b1.jar]}}#" +
			"PCL[out/soong/f.jar]#PCL[out/soong/a3.jar]#PCL[out/soong/b3.jar]" +
			" --target-context-for-sdk any " +
			"PCL[/system/a.jar]#PCL[/system/b.jar]#PCL[/system/c.jar]#PCL[/system/d.jar]" +
			"{PCL[/system/a2.jar]#PCL[/system/b2.jar]#PCL[/system/c2.jar]" +
			"{PCL[/system/a1.jar]#PCL[/system/b1.jar]}}#" +
			"PCL[/system/f.jar]#PCL[/system/a3.jar]#PCL[/system/b3.jar]"
		if wantStr != haveStr {
			t.Errorf("\nwant class loader context: %s\nhave class loader context: %s", wantStr, haveStr)
		}
	})

	// Test that all expected build paths are gathered.
	t.Run("paths", func(t *testing.T) {
		wantPaths := []string{
@@ -143,14 +120,28 @@ func TestCLC(t *testing.T) {
			"out/soong/a1.jar", "out/soong/b1.jar",
			"out/soong/f.jar", "out/soong/a3.jar", "out/soong/b3.jar",
		}
		if !reflect.DeepEqual(wantPaths, havePaths.Strings()) {
			t.Errorf("\nwant paths: %s\nhave paths: %s", wantPaths, havePaths)
		}
		actual := havePaths.Strings()
		// The order does not matter.
		sort.Strings(wantPaths)
		sort.Strings(actual)
		android.AssertArrayString(t, "", wantPaths, actual)
	})

	// Test the JSON passed to construct_context.py.
	t.Run("json", func(t *testing.T) {
		// The tree structure within each SDK version should be kept exactly the same when serialized
		// to JSON. The order matters because the Python script keeps the order within each SDK version
		// as is.
		// The JSON is passed to the Python script as a commandline flag, so quotation ('') and escaping
		// must be performed.
		android.AssertStringEquals(t, "", strings.TrimSpace(`
'{"29":[{"Name":"android.hidl.manager-V1.0-java","Optional":false,"Host":"out/soong/android.hidl.manager-V1.0-java.jar","Device":"/system/framework/android.hidl.manager-V1.0-java.jar","Subcontexts":[]},{"Name":"android.hidl.base-V1.0-java","Optional":false,"Host":"out/soong/android.hidl.base-V1.0-java.jar","Device":"/system/framework/android.hidl.base-V1.0-java.jar","Subcontexts":[]}],"30":[],"42":[],"any":[{"Name":"a'\''","Optional":false,"Host":"out/soong/a.jar","Device":"/system/a.jar","Subcontexts":[]},{"Name":"b","Optional":false,"Host":"out/soong/b.jar","Device":"/system/b.jar","Subcontexts":[]},{"Name":"c","Optional":false,"Host":"out/soong/c.jar","Device":"/system/c.jar","Subcontexts":[]},{"Name":"d","Optional":false,"Host":"out/soong/d.jar","Device":"/system/d.jar","Subcontexts":[{"Name":"a2","Optional":false,"Host":"out/soong/a2.jar","Device":"/system/a2.jar","Subcontexts":[]},{"Name":"b2","Optional":false,"Host":"out/soong/b2.jar","Device":"/system/b2.jar","Subcontexts":[]},{"Name":"c2","Optional":false,"Host":"out/soong/c2.jar","Device":"/system/c2.jar","Subcontexts":[{"Name":"a1","Optional":false,"Host":"out/soong/a1.jar","Device":"/system/a1.jar","Subcontexts":[]},{"Name":"b1","Optional":false,"Host":"out/soong/b1.jar","Device":"/system/b1.jar","Subcontexts":[]}]}]},{"Name":"f","Optional":false,"Host":"out/soong/f.jar","Device":"/system/f.jar","Subcontexts":[]},{"Name":"a3","Optional":false,"Host":"out/soong/a3.jar","Device":"/system/a3.jar","Subcontexts":[]},{"Name":"b3","Optional":false,"Host":"out/soong/b3.jar","Device":"/system/b3.jar","Subcontexts":[]}]}'
`), m.DumpForFlag())
	})

	// Test for libraries that are added by the manifest_fixer.
	t.Run("uses libs", func(t *testing.T) {
		wantUsesLibsReq := []string{"a", "b", "c", "d", "f", "a3", "b3"}
		wantUsesLibsReq := []string{"a'", "b", "c", "d", "f", "a3", "b3"}
		wantUsesLibsOpt := []string{}
		if !reflect.DeepEqual(wantUsesLibsReq, haveUsesLibsReq) {
			t.Errorf("\nwant required uses libs: %s\nhave required uses libs: %s", wantUsesLibsReq, haveUsesLibsReq)
@@ -236,49 +227,6 @@ func TestCLCNestedConditional(t *testing.T) {
	checkError(t, err, "nested class loader context shouldn't have conditional part")
}

// Test for SDK version order in conditional CLC: no matter in what order the libraries are added,
// they end up in the order that agrees with PackageManager.
func TestCLCSdkVersionOrder(t *testing.T) {
	ctx := testContext()
	optional := false
	m := make(ClassLoaderContextMap)
	m.AddContext(ctx, 28, "a", optional, buildPath(ctx, "a"), installPath(ctx, "a"), nil)
	m.AddContext(ctx, 29, "b", optional, buildPath(ctx, "b"), installPath(ctx, "b"), nil)
	m.AddContext(ctx, 30, "c", optional, buildPath(ctx, "c"), installPath(ctx, "c"), nil)
	m.AddContext(ctx, AnySdkVersion, "d", optional, buildPath(ctx, "d"), installPath(ctx, "d"), nil)

	valid, validationError := validateClassLoaderContext(m)

	fixClassLoaderContext(m)

	var haveStr string
	if valid && validationError == nil {
		haveStr, _ = ComputeClassLoaderContext(m)
	}

	// Test that validation is successful (all paths are known).
	t.Run("validate", func(t *testing.T) {
		if !(valid && validationError == nil) {
			t.Errorf("invalid class loader context")
		}
	})

	// Test that class loader context structure is correct.
	t.Run("string", func(t *testing.T) {
		wantStr := " --host-context-for-sdk 30 PCL[out/soong/c.jar]" +
			" --target-context-for-sdk 30 PCL[/system/c.jar]" +
			" --host-context-for-sdk 29 PCL[out/soong/b.jar]" +
			" --target-context-for-sdk 29 PCL[/system/b.jar]" +
			" --host-context-for-sdk 28 PCL[out/soong/a.jar]" +
			" --target-context-for-sdk 28 PCL[/system/a.jar]" +
			" --host-context-for-sdk any PCL[out/soong/d.jar]" +
			" --target-context-for-sdk any PCL[/system/d.jar]"
		if wantStr != haveStr {
			t.Errorf("\nwant class loader context: %s\nhave class loader context: %s", wantStr, haveStr)
		}
	})
}

func TestCLCMExcludeLibs(t *testing.T) {
	ctx := testContext()
	const optional = false
+11 −7
Original line number Diff line number Diff line
@@ -52,7 +52,8 @@ var DexpreoptRunningInSoong = false
// GenerateDexpreoptRule generates a set of commands that will preopt a module based on a GlobalConfig and a
// ModuleConfig.  The produced files and their install locations will be available through rule.Installs().
func GenerateDexpreoptRule(ctx android.BuilderContext, globalSoong *GlobalSoongConfig,
	global *GlobalConfig, module *ModuleConfig) (rule *android.RuleBuilder, err error) {
	global *GlobalConfig, module *ModuleConfig, productPackages android.Path) (
	rule *android.RuleBuilder, err error) {

	defer func() {
		if r := recover(); r != nil {
@@ -92,7 +93,8 @@ func GenerateDexpreoptRule(ctx android.BuilderContext, globalSoong *GlobalSoongC
			generateDM := shouldGenerateDM(module, global)

			for archIdx, _ := range module.Archs {
				dexpreoptCommand(ctx, globalSoong, global, module, rule, archIdx, profile, appImage, generateDM)
				dexpreoptCommand(ctx, globalSoong, global, module, rule, archIdx, profile, appImage,
					generateDM, productPackages)
			}
		}
	}
@@ -232,9 +234,9 @@ func ToOdexPath(path string, arch android.ArchType) string {
		pathtools.ReplaceExtension(filepath.Base(path), "odex"))
}

func dexpreoptCommand(ctx android.PathContext, globalSoong *GlobalSoongConfig, global *GlobalConfig,
	module *ModuleConfig, rule *android.RuleBuilder, archIdx int, profile android.WritablePath,
	appImage bool, generateDM bool) {
func dexpreoptCommand(ctx android.BuilderContext, globalSoong *GlobalSoongConfig,
	global *GlobalConfig, module *ModuleConfig, rule *android.RuleBuilder, archIdx int,
	profile android.WritablePath, appImage bool, generateDM bool, productPackages android.Path) {

	arch := module.Archs[archIdx]

@@ -351,11 +353,13 @@ func dexpreoptCommand(ctx android.PathContext, globalSoong *GlobalSoongConfig, g
		}

		// Generate command that saves host and target class loader context in shell variables.
		clc, paths := ComputeClassLoaderContext(module.ClassLoaderContexts)
		paths := ComputeClassLoaderContextDependencies(module.ClassLoaderContexts)
		rule.Command().
			Text(`eval "$(`).Tool(globalSoong.ConstructContext).
			Text(` --target-sdk-version ${target_sdk_version}`).
			Text(clc).Implicits(paths).
			FlagWithArg("--context-json=", module.ClassLoaderContexts.DumpForFlag()).
			FlagWithInput("--product-packages=", productPackages).
			Implicits(paths).
			Text(`)"`)
	}

+11 −4
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ var (
	usesTargetFiles = flag.Bool("uses_target_files", false, "whether or not dexpreopt is running on target_files")
	// basePath indicates the path where target_files.zip is extracted.
	basePath            = flag.String("base_path", ".", "base path where images and tools are extracted")
	productPackagesPath = flag.String("product_packages", "", "path to product_packages.txt")
)

type builderContext struct {
@@ -87,6 +88,10 @@ func main() {
		usage("--module configuration file is required")
	}

	if *productPackagesPath == "" {
		usage("--product_packages configuration file is required")
	}

	// NOTE: duplicating --out_dir here is incorrect (one should be the another
	// plus "/soong" but doing so apparently breaks dexpreopt
	ctx := &builderContext{android.NullConfig(*outDir, *outDir)}
@@ -159,11 +164,12 @@ func main() {
			moduleConfig.DexPreoptImageLocationsOnHost[i] = *basePath + location
		}
	}
	writeScripts(ctx, globalSoongConfig, globalConfig, moduleConfig, *dexpreoptScriptPath)
	writeScripts(ctx, globalSoongConfig, globalConfig, moduleConfig, *dexpreoptScriptPath, *productPackagesPath)
}

func writeScripts(ctx android.BuilderContext, globalSoong *dexpreopt.GlobalSoongConfig,
	global *dexpreopt.GlobalConfig, module *dexpreopt.ModuleConfig, dexpreoptScriptPath string) {
	global *dexpreopt.GlobalConfig, module *dexpreopt.ModuleConfig, dexpreoptScriptPath string,
	productPackagesPath string) {
	write := func(rule *android.RuleBuilder, file string) {
		script := &bytes.Buffer{}
		script.WriteString(scriptHeader)
@@ -199,7 +205,8 @@ func writeScripts(ctx android.BuilderContext, globalSoong *dexpreopt.GlobalSoong
			panic(err)
		}
	}
	dexpreoptRule, err := dexpreopt.GenerateDexpreoptRule(ctx, globalSoong, global, module)
	dexpreoptRule, err := dexpreopt.GenerateDexpreoptRule(
		ctx, globalSoong, global, module, android.PathForTesting(productPackagesPath))
	if err != nil {
		panic(err)
	}
+14 −7
Original line number Diff line number Diff line
@@ -100,8 +100,9 @@ func TestDexPreopt(t *testing.T) {
	globalSoong := globalSoongConfigForTests()
	global := GlobalConfigForTests(ctx)
	module := testSystemModuleConfig(ctx, "test")
	productPackages := android.PathForTesting("product_packages.txt")

	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module)
	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module, productPackages)
	if err != nil {
		t.Fatal(err)
	}
@@ -124,6 +125,7 @@ func TestDexPreoptSystemOther(t *testing.T) {
	systemModule := testSystemModuleConfig(ctx, "Stest")
	systemProductModule := testSystemProductModuleConfig(ctx, "SPtest")
	productModule := testProductModuleConfig(ctx, "Ptest")
	productPackages := android.PathForTesting("product_packages.txt")

	global.HasSystemOther = true

@@ -157,7 +159,7 @@ func TestDexPreoptSystemOther(t *testing.T) {
	for _, test := range tests {
		global.PatternsOnSystemOther = test.patterns
		for _, mt := range test.moduleTests {
			rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, mt.module)
			rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, mt.module, productPackages)
			if err != nil {
				t.Fatal(err)
			}
@@ -182,11 +184,12 @@ func TestDexPreoptApexSystemServerJars(t *testing.T) {
	globalSoong := globalSoongConfigForTests()
	global := GlobalConfigForTests(ctx)
	module := testApexModuleConfig(ctx, "service-A", "com.android.apex1")
	productPackages := android.PathForTesting("product_packages.txt")

	global.ApexSystemServerJars = android.CreateTestConfiguredJarList(
		[]string{"com.android.apex1:service-A"})

	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module)
	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module, productPackages)
	if err != nil {
		t.Fatal(err)
	}
@@ -205,11 +208,12 @@ func TestDexPreoptStandaloneSystemServerJars(t *testing.T) {
	globalSoong := globalSoongConfigForTests()
	global := GlobalConfigForTests(ctx)
	module := testPlatformSystemServerModuleConfig(ctx, "service-A")
	productPackages := android.PathForTesting("product_packages.txt")

	global.StandaloneSystemServerJars = android.CreateTestConfiguredJarList(
		[]string{"platform:service-A"})

	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module)
	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module, productPackages)
	if err != nil {
		t.Fatal(err)
	}
@@ -228,11 +232,12 @@ func TestDexPreoptSystemExtSystemServerJars(t *testing.T) {
	globalSoong := globalSoongConfigForTests()
	global := GlobalConfigForTests(ctx)
	module := testSystemExtSystemServerModuleConfig(ctx, "service-A")
	productPackages := android.PathForTesting("product_packages.txt")

	global.StandaloneSystemServerJars = android.CreateTestConfiguredJarList(
		[]string{"system_ext:service-A"})

	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module)
	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module, productPackages)
	if err != nil {
		t.Fatal(err)
	}
@@ -251,11 +256,12 @@ func TestDexPreoptApexStandaloneSystemServerJars(t *testing.T) {
	globalSoong := globalSoongConfigForTests()
	global := GlobalConfigForTests(ctx)
	module := testApexModuleConfig(ctx, "service-A", "com.android.apex1")
	productPackages := android.PathForTesting("product_packages.txt")

	global.ApexStandaloneSystemServerJars = android.CreateTestConfiguredJarList(
		[]string{"com.android.apex1:service-A"})

	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module)
	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module, productPackages)
	if err != nil {
		t.Fatal(err)
	}
@@ -274,10 +280,11 @@ func TestDexPreoptProfile(t *testing.T) {
	globalSoong := globalSoongConfigForTests()
	global := GlobalConfigForTests(ctx)
	module := testSystemModuleConfig(ctx, "test")
	productPackages := android.PathForTesting("product_packages.txt")

	module.ProfileClassListing = android.OptionalPathForPath(android.PathForTesting("profile"))

	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module)
	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module, productPackages)
	if err != nil {
		t.Fatal(err)
	}
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