Merge "Revert^2 "Update clang version to clang-r510928"" into main
diff --git a/android/deapexer.go b/android/deapexer.go
index 2704b3e..61ae64e 100644
--- a/android/deapexer.go
+++ b/android/deapexer.go
@@ -83,6 +83,10 @@
// name of the java libraries exported from the apex
// e.g. core-libart
exportedModuleNames []string
+
+ // name of the java libraries exported from the apex that should be dexpreopt'd with the .prof
+ // file embedded in the apex
+ dexpreoptProfileGuidedExportedModuleNames []string
}
// ApexModuleName returns the name of the APEX module that provided the info.
@@ -121,6 +125,14 @@
}
}
+func (i *DeapexerInfo) GetDexpreoptProfileGuidedExportedModuleNames() []string {
+ return i.dexpreoptProfileGuidedExportedModuleNames
+}
+
+func (i *DeapexerInfo) AddDexpreoptProfileGuidedExportedModuleNames(names ...string) {
+ i.dexpreoptProfileGuidedExportedModuleNames = append(i.dexpreoptProfileGuidedExportedModuleNames, names...)
+}
+
type deapexerTagStruct struct {
blueprint.BaseDependencyTag
}
@@ -143,6 +155,9 @@
// the path to the extracted file will be stored in the DeapexerInfo using the APEX relative file
// path as the key, The path can then be retrieved using the PrebuiltExportPath(key) method.
RequiredFilesFromPrebuiltApex(ctx BaseModuleContext) []string
+
+ // Returns true if a transitive dependency of an apex should use a .prof file to guide dexpreopt
+ UseProfileGuidedDexpreopt() bool
}
// Marker interface that identifies dependencies on modules that may require files from a prebuilt
diff --git a/android/util.go b/android/util.go
index 51313ce..363b31c 100644
--- a/android/util.go
+++ b/android/util.go
@@ -15,6 +15,7 @@
package android
import (
+ "cmp"
"fmt"
"path/filepath"
"reflect"
@@ -106,15 +107,8 @@
return SortedKeys(m)
}
-type Ordered interface {
- ~string |
- ~float32 | ~float64 |
- ~int | ~int8 | ~int16 | ~int32 | ~int64 |
- ~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr
-}
-
// SortedKeys returns the keys of the given map in the ascending order.
-func SortedKeys[T Ordered, V any](m map[T]V) []T {
+func SortedKeys[T cmp.Ordered, V any](m map[T]V) []T {
if len(m) == 0 {
return nil
}
diff --git a/android/util_test.go b/android/util_test.go
index 699135b..8e73d83 100644
--- a/android/util_test.go
+++ b/android/util_test.go
@@ -15,6 +15,7 @@
package android
import (
+ "cmp"
"fmt"
"reflect"
"strconv"
@@ -650,7 +651,7 @@
}
}
-func testSortedKeysHelper[K Ordered, V any](t *testing.T, name string, input map[K]V, expected []K) {
+func testSortedKeysHelper[K cmp.Ordered, V any](t *testing.T, name string, input map[K]V, expected []K) {
t.Helper()
t.Run(name, func(t *testing.T) {
actual := SortedKeys(input)
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 7e67c0f..d3959ec 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -1455,6 +1455,7 @@
name: "libc",
no_libcrt: true,
nocrt: true,
+ no_crt_pad_segment: true,
stl: "none",
system_shared_libs: [],
stubs: { versions: ["1"] },
@@ -1469,6 +1470,7 @@
name: "libclang_rt.hwasan",
no_libcrt: true,
nocrt: true,
+ no_crt_pad_segment: true,
stl: "none",
system_shared_libs: [],
srcs: [""],
@@ -1511,6 +1513,7 @@
name: "libc",
no_libcrt: true,
nocrt: true,
+ no_crt_pad_segment: true,
stl: "none",
system_shared_libs: [],
stubs: { versions: ["1"] },
@@ -1521,6 +1524,7 @@
name: "libclang_rt.hwasan",
no_libcrt: true,
nocrt: true,
+ no_crt_pad_segment: true,
stl: "none",
system_shared_libs: [],
srcs: [""],
@@ -3768,13 +3772,6 @@
"lib64/libvndk.so",
"lib64/libvndksp.so"),
},
- {
- vndkVersion: "",
- expectedFiles: append(commonFiles,
- // Legacy VNDK APEX contains only VNDK-SP files (of core variant)
- "lib/libvndksp.so",
- "lib64/libvndksp.so"),
- },
}
for _, tc := range testCases {
t.Run("VNDK.current with DeviceVndkVersion="+tc.vndkVersion, func(t *testing.T) {
diff --git a/apex/deapexer.go b/apex/deapexer.go
index 5ff622c..a673108 100644
--- a/apex/deapexer.go
+++ b/apex/deapexer.go
@@ -53,6 +53,10 @@
// all architectures, e.g. java.
CommonModules []string
+ // List of modules that use an embedded .prof to guide optimization of the equivalent dexpreopt artifact
+ // This is a subset of CommonModules
+ DexpreoptProfileGuidedModules []string
+
// List of files exported from the .apex file by this module
//
// Each entry is a path from the apex root, e.g. javalib/core-libart.jar.
@@ -128,6 +132,7 @@
if len(exports) > 0 {
// Make the information available for other modules.
di := android.NewDeapexerInfo(apexModuleName(ctx.ModuleName()), exports, p.properties.CommonModules)
+ di.AddDexpreoptProfileGuidedExportedModuleNames(p.properties.DexpreoptProfileGuidedModules...)
android.SetProvider(ctx, android.DeapexerProvider, di)
// Create a sorted list of the files that this exports.
diff --git a/apex/dexpreopt_bootjars_test.go b/apex/dexpreopt_bootjars_test.go
index d9ab8fa..7a17f50 100644
--- a/apex/dexpreopt_bootjars_test.go
+++ b/apex/dexpreopt_bootjars_test.go
@@ -164,6 +164,7 @@
"out/soong/dexpreopt_arm64/dex_bootjars_input/baz.jar",
"out/soong/.intermediates/art-bootclasspath-fragment/android_common_apex10000/art-bootclasspath-fragment/boot.prof",
"out/soong/.intermediates/default/java/dex_bootjars/android_common/boot/boot.prof",
+ "out/soong/dexpreopt/uffd_gc_flag.txt",
}
expectedOutputs := []string{
@@ -201,6 +202,7 @@
"out/soong/dexpreopt_arm64/dex_bootjars_input/baz.jar",
"out/soong/.intermediates/prebuilt_com.android.art.deapexer/android_common/deapexer/etc/boot-image.prof",
"out/soong/.intermediates/default/java/dex_bootjars/android_common/boot/boot.prof",
+ "out/soong/dexpreopt/uffd_gc_flag.txt",
}
expectedOutputs := []string{
diff --git a/apex/prebuilt.go b/apex/prebuilt.go
index 551942d..399d9b9 100644
--- a/apex/prebuilt.go
+++ b/apex/prebuilt.go
@@ -629,6 +629,7 @@
// Compute the deapexer properties from the transitive dependencies of this module.
commonModules := []string{}
+ dexpreoptProfileGuidedModules := []string{}
exportedFiles := []string{}
ctx.WalkDeps(func(child, parent android.Module) bool {
tag := ctx.OtherModuleDependencyTag(child)
@@ -642,9 +643,14 @@
if _, ok := tag.(android.RequiresFilesFromPrebuiltApexTag); ok {
commonModules = append(commonModules, name)
- requiredFiles := child.(android.RequiredFilesFromPrebuiltApex).RequiredFilesFromPrebuiltApex(ctx)
+ extract := child.(android.RequiredFilesFromPrebuiltApex)
+ requiredFiles := extract.RequiredFilesFromPrebuiltApex(ctx)
exportedFiles = append(exportedFiles, requiredFiles...)
+ if extract.UseProfileGuidedDexpreopt() {
+ dexpreoptProfileGuidedModules = append(dexpreoptProfileGuidedModules, name)
+ }
+
// Visit the dependencies of this module just in case they also require files from the
// prebuilt apex.
return true
@@ -657,7 +663,8 @@
deapexerProperties := &DeapexerProperties{
// Remove any duplicates from the common modules lists as a module may be included via a direct
// dependency as well as transitive ones.
- CommonModules: android.SortedUniqueStrings(commonModules),
+ CommonModules: android.SortedUniqueStrings(commonModules),
+ DexpreoptProfileGuidedModules: android.SortedUniqueStrings(dexpreoptProfileGuidedModules),
}
// Populate the exported files property in a fixed order.
diff --git a/apex/systemserver_classpath_fragment_test.go b/apex/systemserver_classpath_fragment_test.go
index 6b2c397..f6c53b2 100644
--- a/apex/systemserver_classpath_fragment_test.go
+++ b/apex/systemserver_classpath_fragment_test.go
@@ -221,8 +221,6 @@
}
func TestPrebuiltSystemserverclasspathFragmentContents(t *testing.T) {
- // TODO(spandandas): Fix the rules for profile guided dexpreopt of deapexed prebuilt jars
- t.Skip()
result := android.GroupFixturePreparers(
prepareForTestWithSystemserverclasspathFragment,
prepareForTestWithMyapex,
@@ -294,8 +292,8 @@
"javalib/bar.jar.prof",
})
- assertProfileGuided(t, ctx, "foo", "android_common_myapex", false)
- assertProfileGuided(t, ctx, "bar", "android_common_myapex", true)
+ assertProfileGuidedPrebuilt(t, ctx, "myapex", "foo", false)
+ assertProfileGuidedPrebuilt(t, ctx, "myapex", "bar", true)
}
func TestSystemserverclasspathFragmentStandaloneContents(t *testing.T) {
@@ -381,8 +379,6 @@
}
func TestPrebuiltStandaloneSystemserverclasspathFragmentContents(t *testing.T) {
- // TODO(spandandas): Fix the rules for profile guided dexpreopt of deapexed prebuilt jars
- t.Skip()
result := android.GroupFixturePreparers(
prepareForTestWithSystemserverclasspathFragment,
prepareForTestWithMyapex,
@@ -447,8 +443,8 @@
"javalib/bar.jar.prof",
})
- assertProfileGuided(t, ctx, "foo", "android_common_myapex", false)
- assertProfileGuided(t, ctx, "bar", "android_common_myapex", true)
+ assertProfileGuidedPrebuilt(t, ctx, "myapex", "foo", false)
+ assertProfileGuidedPrebuilt(t, ctx, "myapex", "bar", true)
}
func assertProfileGuided(t *testing.T, ctx *android.TestContext, moduleName string, variant string, expected bool) {
@@ -458,3 +454,11 @@
t.Fatalf("Expected profile-guided to be %v, got %v", expected, actual)
}
}
+
+func assertProfileGuidedPrebuilt(t *testing.T, ctx *android.TestContext, apexName string, moduleName string, expected bool) {
+ dexpreopt := ctx.ModuleForTests(apexName, "android_common_"+apexName).Rule("dexpreopt." + moduleName)
+ actual := strings.Contains(dexpreopt.RuleParams.Command, "--profile-file=")
+ if expected != actual {
+ t.Fatalf("Expected profile-guided to be %v, got %v", expected, actual)
+ }
+}
diff --git a/apex/vndk_test.go b/apex/vndk_test.go
index e2aee96..894aece 100644
--- a/apex/vndk_test.go
+++ b/apex/vndk_test.go
@@ -8,66 +8,6 @@
"android/soong/android"
)
-func TestVndkApexForVndkLite(t *testing.T) {
- ctx := testApex(t, `
- apex_vndk {
- name: "com.android.vndk.current",
- key: "com.android.vndk.current.key",
- updatable: false,
- }
-
- apex_key {
- name: "com.android.vndk.current.key",
- public_key: "testkey.avbpubkey",
- private_key: "testkey.pem",
- }
-
- cc_library {
- name: "libvndk",
- srcs: ["mylib.cpp"],
- vendor_available: true,
- product_available: true,
- vndk: {
- enabled: true,
- },
- system_shared_libs: [],
- stl: "none",
- apex_available: [ "com.android.vndk.current" ],
- }
-
- cc_library {
- name: "libvndksp",
- srcs: ["mylib.cpp"],
- vendor_available: true,
- product_available: true,
- vndk: {
- enabled: true,
- support_system_process: true,
- },
- system_shared_libs: [],
- stl: "none",
- apex_available: [ "com.android.vndk.current" ],
- }
- `+vndkLibrariesTxtFiles("current"),
- android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
- variables.DeviceVndkVersion = proptools.StringPtr("")
- variables.KeepVndk = proptools.BoolPtr(true)
- }),
- )
- // VNDK-Lite contains only core variants of VNDK-Sp libraries
- ensureExactContents(t, ctx, "com.android.vndk.current", "android_common", []string{
- "lib/libvndksp.so",
- "lib/libc++.so",
- "lib64/libvndksp.so",
- "lib64/libc++.so",
- "etc/llndk.libraries.29.txt",
- "etc/vndkcore.libraries.29.txt",
- "etc/vndksp.libraries.29.txt",
- "etc/vndkprivate.libraries.29.txt",
- "etc/vndkproduct.libraries.29.txt",
- })
-}
-
func TestVndkApexUsesVendorVariant(t *testing.T) {
bp := `
apex_vndk {
diff --git a/cc/compiler.go b/cc/compiler.go
index c57b72c..de1ae71 100644
--- a/cc/compiler.go
+++ b/cc/compiler.go
@@ -116,6 +116,10 @@
// if set to false, use -std=c++* instead of -std=gnu++*
Gnu_extensions *bool
+ // cc Build rules targeting BPF must set this to true. The correct fix is to
+ // ban targeting bpf in cc rules instead use bpf_rules. (b/323415017)
+ Bpf_target *bool
+
Yacc *YaccProperties
Lex *LexProperties
@@ -483,6 +487,11 @@
}
}
+ // bpf targets don't need the default target triple. b/308826679
+ if proptools.Bool(compiler.Properties.Bpf_target) {
+ target = "--target=bpf"
+ }
+
flags.Global.CFlags = append(flags.Global.CFlags, target)
flags.Global.AsFlags = append(flags.Global.AsFlags, target)
flags.Global.LdFlags = append(flags.Global.LdFlags, target)
@@ -498,8 +507,12 @@
flags.Global.AsFlags = append(flags.Global.AsFlags, tc.Asflags())
flags.Global.CppFlags = append([]string{"${config.CommonGlobalCppflags}"}, flags.Global.CppFlags...)
+
+ // bpf targets don't need the target specific toolchain cflags. b/308826679
+ if !proptools.Bool(compiler.Properties.Bpf_target) {
+ flags.Global.CommonFlags = append(flags.Global.CommonFlags, tc.Cflags())
+ }
flags.Global.CommonFlags = append(flags.Global.CommonFlags,
- tc.Cflags(),
"${config.CommonGlobalCflags}",
fmt.Sprintf("${config.%sGlobalCflags}", hod))
@@ -521,7 +534,11 @@
flags.Global.YasmFlags = append(flags.Global.YasmFlags, tc.YasmFlags())
- flags.Global.CommonFlags = append(flags.Global.CommonFlags, tc.ToolchainCflags())
+ // bpf targets don't need the target specific toolchain cflags. b/308826679
+ if !proptools.Bool(compiler.Properties.Bpf_target) {
+ flags.Global.CommonFlags = append(flags.Global.CommonFlags, tc.ToolchainCflags())
+ }
+
cStd := parseCStd(compiler.Properties.C_std)
cppStd := parseCppStd(compiler.Properties.Cpp_std)
diff --git a/cc/config/bionic.go b/cc/config/bionic.go
index a1e3851..ed724f5 100644
--- a/cc/config/bionic.go
+++ b/cc/config/bionic.go
@@ -24,6 +24,7 @@
bionicCrtBeginStaticBinary, bionicCrtEndStaticBinary = []string{"crtbegin_static"}, []string{"crtend_android"}
bionicCrtBeginSharedBinary, bionicCrtEndSharedBinary = []string{"crtbegin_dynamic"}, []string{"crtend_android"}
bionicCrtBeginSharedLibrary, bionicCrtEndSharedLibrary = []string{"crtbegin_so"}, []string{"crtend_so"}
+ bionicCrtPadSegmentSharedLibrary = []string{"crt_pad_segment"}
)
func (toolchainBionic) Bionic() bool { return true }
@@ -36,9 +37,10 @@
func (toolchainBionic) AvailableLibraries() []string { return nil }
-func (toolchainBionic) CrtBeginStaticBinary() []string { return bionicCrtBeginStaticBinary }
-func (toolchainBionic) CrtBeginSharedBinary() []string { return bionicCrtBeginSharedBinary }
-func (toolchainBionic) CrtBeginSharedLibrary() []string { return bionicCrtBeginSharedLibrary }
-func (toolchainBionic) CrtEndStaticBinary() []string { return bionicCrtEndStaticBinary }
-func (toolchainBionic) CrtEndSharedBinary() []string { return bionicCrtEndSharedBinary }
-func (toolchainBionic) CrtEndSharedLibrary() []string { return bionicCrtEndSharedLibrary }
+func (toolchainBionic) CrtBeginStaticBinary() []string { return bionicCrtBeginStaticBinary }
+func (toolchainBionic) CrtBeginSharedBinary() []string { return bionicCrtBeginSharedBinary }
+func (toolchainBionic) CrtBeginSharedLibrary() []string { return bionicCrtBeginSharedLibrary }
+func (toolchainBionic) CrtEndStaticBinary() []string { return bionicCrtEndStaticBinary }
+func (toolchainBionic) CrtEndSharedBinary() []string { return bionicCrtEndSharedBinary }
+func (toolchainBionic) CrtEndSharedLibrary() []string { return bionicCrtEndSharedLibrary }
+func (toolchainBionic) CrtPadSegmentSharedLibrary() []string { return bionicCrtPadSegmentSharedLibrary }
diff --git a/cc/config/global.go b/cc/config/global.go
index 548b196..c562614 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -359,7 +359,8 @@
// enabling since it's a cosmetic issue.
"-Wno-bitwise-instead-of-logical",
- "-Wno-unused-but-set-variable",
+ "-Wno-unused",
+ "-Wno-unused-parameter",
"-Wno-unused-but-set-parameter",
"-Wno-unqualified-std-cast-call",
"-Wno-array-parameter",
diff --git a/cc/config/toolchain.go b/cc/config/toolchain.go
index 62f75d1..71e98fe 100644
--- a/cc/config/toolchain.go
+++ b/cc/config/toolchain.go
@@ -100,6 +100,7 @@
CrtEndStaticBinary() []string
CrtEndSharedBinary() []string
CrtEndSharedLibrary() []string
+ CrtPadSegmentSharedLibrary() []string
// DefaultSharedLibraries returns the list of shared libraries that will be added to all
// targets unless they explicitly specify system_shared_libs.
@@ -155,12 +156,13 @@
type toolchainNoCrt struct{}
-func (toolchainNoCrt) CrtBeginStaticBinary() []string { return nil }
-func (toolchainNoCrt) CrtBeginSharedBinary() []string { return nil }
-func (toolchainNoCrt) CrtBeginSharedLibrary() []string { return nil }
-func (toolchainNoCrt) CrtEndStaticBinary() []string { return nil }
-func (toolchainNoCrt) CrtEndSharedBinary() []string { return nil }
-func (toolchainNoCrt) CrtEndSharedLibrary() []string { return nil }
+func (toolchainNoCrt) CrtBeginStaticBinary() []string { return nil }
+func (toolchainNoCrt) CrtBeginSharedBinary() []string { return nil }
+func (toolchainNoCrt) CrtBeginSharedLibrary() []string { return nil }
+func (toolchainNoCrt) CrtEndStaticBinary() []string { return nil }
+func (toolchainNoCrt) CrtEndSharedBinary() []string { return nil }
+func (toolchainNoCrt) CrtEndSharedLibrary() []string { return nil }
+func (toolchainNoCrt) CrtPadSegmentSharedLibrary() []string { return nil }
func (toolchainBase) DefaultSharedLibraries() []string {
return nil
diff --git a/cc/config/x86_linux_host.go b/cc/config/x86_linux_host.go
index f95da0b..f497bf9 100644
--- a/cc/config/x86_linux_host.go
+++ b/cc/config/x86_linux_host.go
@@ -328,12 +328,13 @@
func (toolchainMusl) Musl() bool { return true }
-func (toolchainMusl) CrtBeginStaticBinary() []string { return muslCrtBeginStaticBinary }
-func (toolchainMusl) CrtBeginSharedBinary() []string { return muslCrtBeginSharedBinary }
-func (toolchainMusl) CrtBeginSharedLibrary() []string { return muslCrtBeginSharedLibrary }
-func (toolchainMusl) CrtEndStaticBinary() []string { return muslCrtEndStaticBinary }
-func (toolchainMusl) CrtEndSharedBinary() []string { return muslCrtEndSharedBinary }
-func (toolchainMusl) CrtEndSharedLibrary() []string { return muslCrtEndSharedLibrary }
+func (toolchainMusl) CrtBeginStaticBinary() []string { return muslCrtBeginStaticBinary }
+func (toolchainMusl) CrtBeginSharedBinary() []string { return muslCrtBeginSharedBinary }
+func (toolchainMusl) CrtBeginSharedLibrary() []string { return muslCrtBeginSharedLibrary }
+func (toolchainMusl) CrtEndStaticBinary() []string { return muslCrtEndStaticBinary }
+func (toolchainMusl) CrtEndSharedBinary() []string { return muslCrtEndSharedBinary }
+func (toolchainMusl) CrtEndSharedLibrary() []string { return muslCrtEndSharedLibrary }
+func (toolchainMusl) CrtPadSegmentSharedLibrary() []string { return nil }
func (toolchainMusl) DefaultSharedLibraries() []string { return MuslDefaultSharedLibraries }
diff --git a/cc/library.go b/cc/library.go
index 4b6ac59..4684d32 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -974,6 +974,10 @@
if library.baseLinker.Properties.crt() {
deps.CrtBegin = append(deps.CrtBegin, ctx.toolchain().CrtBeginSharedLibrary()...)
deps.CrtEnd = append(deps.CrtEnd, ctx.toolchain().CrtEndSharedLibrary()...)
+
+ }
+ if library.baseLinker.Properties.crtPadSegment() {
+ deps.CrtEnd = append(deps.CrtEnd, ctx.toolchain().CrtPadSegmentSharedLibrary()...)
}
deps.WholeStaticLibs = append(deps.WholeStaticLibs, library.SharedProperties.Shared.Whole_static_libs...)
deps.StaticLibs = append(deps.StaticLibs, library.SharedProperties.Shared.Static_libs...)
@@ -1476,7 +1480,9 @@
headerAbiChecker.Exclude_symbol_tags,
currVersion)
- addLsdumpPath(classifySourceAbiDump(ctx) + ":" + library.sAbiOutputFile.String())
+ for _, tag := range classifySourceAbiDump(ctx) {
+ addLsdumpPath(tag + ":" + library.sAbiOutputFile.String())
+ }
dumpDir := getRefAbiDumpDir(isNdk, isLlndk)
binderBitness := ctx.DeviceConfig().BinderBitness()
diff --git a/cc/linker.go b/cc/linker.go
index 85c128e..2c50db2 100644
--- a/cc/linker.go
+++ b/cc/linker.go
@@ -91,6 +91,10 @@
// compiling crt or libc.
Nocrt *bool `android:"arch_variant"`
+ // don't link in crt_pad_segment. This flag is currently only used internal to
+ // soong for testing and for vndk prebuilt shared libraries.
+ No_crt_pad_segment *bool `android:"arch_variant"`
+
// deprecated and ignored because lld makes it unnecessary. See b/189475744.
Group_static_libs *bool `android:"arch_variant"`
@@ -253,6 +257,10 @@
return blp.No_libcrt == nil || !*blp.No_libcrt
}
+func (blp *BaseLinkerProperties) crtPadSegment() bool {
+ return blp.No_crt_pad_segment == nil || !*blp.No_crt_pad_segment
+}
+
func NewBaseLinker(sanitize *sanitize) *baseLinker {
return &baseLinker{sanitize: sanitize}
}
diff --git a/cc/sabi.go b/cc/sabi.go
index 9f5781f..4ca9f5c 100644
--- a/cc/sabi.go
+++ b/cc/sabi.go
@@ -97,36 +97,34 @@
return sabi != nil && sabi.Properties.ShouldCreateSourceAbiDump
}
-// Returns a string that represents the class of the ABI dump.
-// Returns an empty string if ABI check is disabled for this library.
-func classifySourceAbiDump(ctx android.BaseModuleContext) string {
+// Returns a slice of strings that represent the ABI dumps generated for this module.
+func classifySourceAbiDump(ctx android.BaseModuleContext) []string {
+ result := []string{}
m := ctx.Module().(*Module)
headerAbiChecker := m.library.getHeaderAbiCheckerProperties(ctx)
if headerAbiChecker.explicitlyDisabled() {
- return ""
+ return result
}
if !m.InProduct() && !m.InVendor() {
- // Return NDK if the library is both NDK and LLNDK.
- if m.IsNdk(ctx.Config()) {
- return "NDK"
- }
if m.isImplementationForLLNDKPublic() {
- return "LLNDK"
+ result = append(result, "LLNDK")
}
- if m.library.hasStubsVariants() {
- return "PLATFORM"
+ // Return NDK if the library is both NDK and APEX.
+ // TODO(b/309880485): Split NDK and APEX ABI.
+ if m.IsNdk(ctx.Config()) {
+ result = append(result, "NDK")
+ } else if m.library.hasStubsVariants() || headerAbiChecker.enabled() {
+ result = append(result, "PLATFORM")
}
- }
- if headerAbiChecker.enabled() {
+ } else if headerAbiChecker.enabled() {
if m.InProduct() {
- return "PRODUCT"
+ result = append(result, "PRODUCT")
}
if m.InVendor() {
- return "VENDOR"
+ result = append(result, "VENDOR")
}
- return "PLATFORM"
}
- return ""
+ return result
}
// Called from sabiDepsMutator to check whether ABI dumps should be created for this module.
@@ -195,7 +193,7 @@
return false
}
}
- return classifySourceAbiDump(ctx) != ""
+ return len(classifySourceAbiDump(ctx)) > 0
}
// Mark the direct and transitive dependencies of libraries that need ABI check, so that ABI dumps
diff --git a/cc/testing.go b/cc/testing.go
index bac41e7..9c2900c 100644
--- a/cc/testing.go
+++ b/cc/testing.go
@@ -77,6 +77,7 @@
no_libcrt: true,
sdk_version: "minimum",
nocrt: true,
+ no_crt_pad_segment: true,
system_shared_libs: [],
stl: "none",
check_elf_files: false,
@@ -385,6 +386,11 @@
}
cc_object {
+ name: "crt_pad_segment",
+ defaults: ["crt_defaults"],
+ }
+
+ cc_object {
name: "crtbrand",
defaults: ["crt_defaults"],
srcs: ["crtbrand.c"],
diff --git a/cc/vendor_snapshot_test.go b/cc/vendor_snapshot_test.go
index 890a533..0a55431 100644
--- a/cc/vendor_snapshot_test.go
+++ b/cc/vendor_snapshot_test.go
@@ -341,6 +341,7 @@
vendor: true,
nocrt: true,
no_libcrt: true,
+ no_crt_pad_segment: true,
stl: "none",
system_shared_libs: [],
compile_multilib: "64",
@@ -458,6 +459,7 @@
vendor: true,
nocrt: true,
no_libcrt: true,
+ no_crt_pad_segment: true,
stl: "none",
system_shared_libs: [],
}
@@ -467,6 +469,7 @@
vendor: true,
nocrt: true,
no_libcrt: true,
+ no_crt_pad_segment: true,
stl: "none",
system_shared_libs: [],
shared_libs: ["libvndk", "libvendor_available", "libllndk"],
@@ -487,6 +490,7 @@
vendor: true,
nocrt: true,
no_libcrt: true,
+ no_crt_pad_segment: true,
stl: "none",
system_shared_libs: [],
static_libs: ["libvendor"],
@@ -501,6 +505,7 @@
vendor: true,
nocrt: true,
no_libcrt: true,
+ no_crt_pad_segment: true,
stl: "none",
system_shared_libs: [],
vndk: {
@@ -597,6 +602,7 @@
target_arch: "arm64",
compile_multilib: "both",
vendor: true,
+ no_crt_pad_segment: true,
shared_libs: [
"libvendor_without_snapshot",
"libvendor_available",
@@ -620,6 +626,7 @@
target_arch: "arm64",
compile_multilib: "both",
vendor: true,
+ no_crt_pad_segment: true,
overrides: ["libvendor"],
shared_libs: [
"libvendor_without_snapshot",
@@ -657,6 +664,7 @@
target_arch: "arm64",
compile_multilib: "32",
vendor: true,
+ no_crt_pad_segment: true,
arch: {
arm: {
src: "lib32.so",
@@ -683,6 +691,7 @@
target_arch: "arm64",
compile_multilib: "64",
vendor: true,
+ no_crt_pad_segment: true,
arch: {
arm64: {
src: "lib64.so",
@@ -722,6 +731,7 @@
target_arch: "arm64",
compile_multilib: "both",
vendor: true,
+ no_crt_pad_segment: true,
arch: {
arm64: {
src: "libvendor_available.so",
diff --git a/cc/vndk.go b/cc/vndk.go
index 0e0dba9..2b2ea64 100644
--- a/cc/vndk.go
+++ b/cc/vndk.go
@@ -377,22 +377,17 @@
return false
}
- // ignore prebuilt vndk modules that are newer than or equal to the platform vndk version
- platformVndkApiLevel := android.ApiLevelOrPanic(mctx, mctx.DeviceConfig().PlatformVndkVersion())
- if platformVndkApiLevel.LessThanOrEqualTo(android.ApiLevelOrPanic(mctx, p.Version())) {
- return false
+ platformVndkVersion := mctx.DeviceConfig().PlatformVndkVersion()
+ if platformVndkVersion != "" {
+ // ignore prebuilt vndk modules that are newer than or equal to the platform vndk version
+ platformVndkApiLevel := android.ApiLevelOrPanic(mctx, platformVndkVersion)
+ if platformVndkApiLevel.LessThanOrEqualTo(android.ApiLevelOrPanic(mctx, p.Version())) {
+ return false
+ }
}
}
if lib, ok := m.linker.(libraryInterface); ok {
- // VNDK APEX for VNDK-Lite devices will have VNDK-SP libraries from core variants
- if mctx.DeviceConfig().VndkVersion() == "" {
- // b/73296261: filter out libz.so because it is considered as LLNDK for VNDK-lite devices
- if mctx.ModuleName() == "libz" {
- return false
- }
- return m.ImageVariation().Variation == android.CoreVariation && lib.shared() && m.IsVndkSp() && !m.IsVndkExt()
- }
// VNDK APEX doesn't need stub variants
if lib.buildStubs() {
return false
diff --git a/cc/vndk_prebuilt.go b/cc/vndk_prebuilt.go
index eb1790f..43030b8 100644
--- a/cc/vndk_prebuilt.go
+++ b/cc/vndk_prebuilt.go
@@ -131,11 +131,14 @@
func (p *vndkPrebuiltLibraryDecorator) link(ctx ModuleContext,
flags Flags, deps PathDeps, objs Objects) android.Path {
- platformVndkApiLevel := android.ApiLevelOrPanic(ctx, ctx.DeviceConfig().PlatformVndkVersion())
- if platformVndkApiLevel.LessThanOrEqualTo(android.ApiLevelOrPanic(ctx, p.Version())) {
- // This prebuilt VNDK module is not required for the current build
- ctx.Module().HideFromMake()
- return nil
+ platformVndkVersion := ctx.DeviceConfig().PlatformVndkVersion()
+ if platformVndkVersion != "" {
+ platformVndkApiLevel := android.ApiLevelOrPanic(ctx, platformVndkVersion)
+ if platformVndkApiLevel.LessThanOrEqualTo(android.ApiLevelOrPanic(ctx, p.Version())) {
+ // This prebuilt VNDK module is not required for the current build
+ ctx.Module().HideFromMake()
+ return nil
+ }
}
if !p.MatchesWithDevice(ctx.DeviceConfig()) {
@@ -232,6 +235,7 @@
prebuilt.properties.Check_elf_files = BoolPtr(false)
prebuilt.baseLinker.Properties.No_libcrt = BoolPtr(true)
prebuilt.baseLinker.Properties.Nocrt = BoolPtr(true)
+ prebuilt.baseLinker.Properties.No_crt_pad_segment = BoolPtr(true)
// Prevent default system libs (libc, libm, and libdl) from being linked
if prebuilt.baseLinker.Properties.System_shared_libs == nil {
@@ -246,14 +250,6 @@
&prebuilt.properties,
)
- android.AddLoadHook(module, func(ctx android.LoadHookContext) {
- // empty BOARD_VNDK_VERSION implies that the device won't support
- // system only OTA. In this case, VNDK snapshots aren't needed.
- if ctx.DeviceConfig().VndkVersion() == "" {
- ctx.Module().Disable()
- }
- })
-
return module
}
diff --git a/dexpreopt/config.go b/dexpreopt/config.go
index 6163952..fe6317c 100644
--- a/dexpreopt/config.go
+++ b/dexpreopt/config.go
@@ -98,7 +98,9 @@
// measure, as it masks real errors and affects performance.
RelaxUsesLibraryCheck bool
- EnableUffdGc bool // preopt with the assumption that userfaultfd GC will be used on device.
+ // "true" to force preopt with CMC GC (a.k.a., UFFD GC); "false" to force preopt with CC GC;
+ // "default" to determine the GC type based on the kernel version file.
+ EnableUffdGc string
}
var allPlatformSystemServerJarsKey = android.NewOnceKey("allPlatformSystemServerJars")
@@ -154,6 +156,7 @@
Zip2zip android.Path
ManifestCheck android.Path
ConstructContext android.Path
+ UffdGcFlag android.WritablePath
}
type ModuleConfig struct {
@@ -537,6 +540,7 @@
Zip2zip: ctx.Config().HostToolPath(ctx, "zip2zip"),
ManifestCheck: ctx.Config().HostToolPath(ctx, "manifest_check"),
ConstructContext: ctx.Config().HostToolPath(ctx, "construct_context"),
+ UffdGcFlag: getUffdGcFlagPath(ctx),
}
}
@@ -588,6 +592,7 @@
Zip2zip string
ManifestCheck string
ConstructContext string
+ UffdGcFlag string
}
// ParseGlobalSoongConfig parses the given data assumed to be read from the
@@ -609,6 +614,7 @@
Zip2zip: constructPath(ctx, jc.Zip2zip),
ManifestCheck: constructPath(ctx, jc.ManifestCheck),
ConstructContext: constructPath(ctx, jc.ConstructContext),
+ UffdGcFlag: constructWritablePath(ctx, jc.UffdGcFlag),
}
return config, nil
@@ -633,12 +639,15 @@
}
func (s *globalSoongConfigSingleton) GenerateBuildActions(ctx android.SingletonContext) {
- checkBootJarsConfigConsistency(ctx, GetGlobalConfig(ctx), ctx.Config())
+ global := GetGlobalConfig(ctx)
+ checkBootJarsConfigConsistency(ctx, global, ctx.Config())
- if GetGlobalConfig(ctx).DisablePreopt {
+ if global.DisablePreopt {
return
}
+ buildUffdGcFlag(ctx, global)
+
config := GetCachedGlobalSoongConfig(ctx)
if config == nil {
// No module has enabled dexpreopting, so we assume there will be no calls
@@ -654,6 +663,7 @@
Zip2zip: config.Zip2zip.String(),
ManifestCheck: config.ManifestCheck.String(),
ConstructContext: config.ConstructContext.String(),
+ UffdGcFlag: config.UffdGcFlag.String(),
}
data, err := json.Marshal(jc)
@@ -684,9 +694,32 @@
config.Zip2zip.String(),
config.ManifestCheck.String(),
config.ConstructContext.String(),
+ config.UffdGcFlag.String(),
}, " "))
}
+func buildUffdGcFlag(ctx android.BuilderContext, global *GlobalConfig) {
+ uffdGcFlag := getUffdGcFlagPath(ctx)
+
+ if global.EnableUffdGc == "true" {
+ android.WriteFileRuleVerbatim(ctx, uffdGcFlag, "--runtime-arg -Xgc:CMC")
+ } else if global.EnableUffdGc == "false" {
+ android.WriteFileRuleVerbatim(ctx, uffdGcFlag, "")
+ } else if global.EnableUffdGc == "default" {
+ // Generated by `build/make/core/Makefile`.
+ kernelVersionFile := android.PathForOutput(ctx, "dexpreopt/kernel_version_for_uffd_gc.txt")
+ // Determine the UFFD GC flag by the kernel version file.
+ rule := android.NewRuleBuilder(pctx, ctx)
+ rule.Command().
+ Tool(ctx.Config().HostToolPath(ctx, "construct_uffd_gc_flag")).
+ Input(kernelVersionFile).
+ Output(uffdGcFlag)
+ rule.Restat().Build("dexpreopt_uffd_gc_flag", "dexpreopt_uffd_gc_flag")
+ } else {
+ panic(fmt.Sprintf("Unknown value of PRODUCT_ENABLE_UFFD_GC: %s", global.EnableUffdGc))
+ }
+}
+
func GlobalConfigForTests(ctx android.PathContext) *GlobalConfig {
return &GlobalConfig{
DisablePreopt: false,
@@ -731,7 +764,7 @@
}
}
-func globalSoongConfigForTests() *GlobalSoongConfig {
+func globalSoongConfigForTests(ctx android.BuilderContext) *GlobalSoongConfig {
return &GlobalSoongConfig{
Profman: android.PathForTesting("profman"),
Dex2oat: android.PathForTesting("dex2oat"),
@@ -740,5 +773,19 @@
Zip2zip: android.PathForTesting("zip2zip"),
ManifestCheck: android.PathForTesting("manifest_check"),
ConstructContext: android.PathForTesting("construct_context"),
+ UffdGcFlag: android.PathForOutput(ctx, "dexpreopt_test", "uffd_gc_flag.txt"),
}
}
+
+func GetDexpreoptDirName(ctx android.PathContext) string {
+ prefix := "dexpreopt_"
+ targets := ctx.Config().Targets[android.Android]
+ if len(targets) > 0 {
+ return prefix + targets[0].Arch.ArchType.String()
+ }
+ return prefix + "unknown_target"
+}
+
+func getUffdGcFlagPath(ctx android.PathContext) android.WritablePath {
+ return android.PathForOutput(ctx, "dexpreopt/uffd_gc_flag.txt")
+}
diff --git a/dexpreopt/dexpreopt.go b/dexpreopt/dexpreopt.go
index 94707ba..04bc61d 100644
--- a/dexpreopt/dexpreopt.go
+++ b/dexpreopt/dexpreopt.go
@@ -390,7 +390,8 @@
Flag("--generate-build-id").
Flag("--abort-on-hard-verifier-error").
Flag("--force-determinism").
- FlagWithArg("--no-inline-from=", "core-oj.jar")
+ FlagWithArg("--no-inline-from=", "core-oj.jar").
+ Text("$(cat").Input(globalSoong.UffdGcFlag).Text(")")
var preoptFlags []string
if len(module.PreoptFlags) > 0 {
@@ -506,10 +507,6 @@
cmd.FlagWithInput("--profile-file=", profile)
}
- if global.EnableUffdGc {
- cmd.Flag("--runtime-arg").Flag("-Xgc:CMC")
- }
-
rule.Install(odexPath, odexInstallPath)
rule.Install(vdexPath, vdexInstallPath)
}
diff --git a/dexpreopt/dexpreopt_test.go b/dexpreopt/dexpreopt_test.go
index 230fbb4..7071f3e 100644
--- a/dexpreopt/dexpreopt_test.go
+++ b/dexpreopt/dexpreopt_test.go
@@ -96,7 +96,7 @@
func TestDexPreopt(t *testing.T) {
config := android.TestConfig("out", nil, "", nil)
ctx := android.BuilderContextForTesting(config)
- globalSoong := globalSoongConfigForTests()
+ globalSoong := globalSoongConfigForTests(ctx)
global := GlobalConfigForTests(ctx)
module := testSystemModuleConfig(ctx, "test")
productPackages := android.PathForTesting("product_packages.txt")
@@ -114,12 +114,15 @@
if rule.Installs().String() != wantInstalls.String() {
t.Errorf("\nwant installs:\n %v\ngot:\n %v", wantInstalls, rule.Installs())
}
+
+ android.AssertStringListContains(t, "", rule.Inputs().RelativeToTop().Strings(),
+ "out/soong/dexpreopt_test/uffd_gc_flag.txt")
}
func TestDexPreoptSystemOther(t *testing.T) {
config := android.TestConfig("out", nil, "", nil)
ctx := android.BuilderContextForTesting(config)
- globalSoong := globalSoongConfigForTests()
+ globalSoong := globalSoongConfigForTests(ctx)
global := GlobalConfigForTests(ctx)
systemModule := testSystemModuleConfig(ctx, "Stest")
systemProductModule := testSystemProductModuleConfig(ctx, "SPtest")
@@ -180,7 +183,7 @@
func TestDexPreoptApexSystemServerJars(t *testing.T) {
config := android.TestConfig("out", nil, "", nil)
ctx := android.BuilderContextForTesting(config)
- globalSoong := globalSoongConfigForTests()
+ globalSoong := globalSoongConfigForTests(ctx)
global := GlobalConfigForTests(ctx)
module := testApexModuleConfig(ctx, "service-A", "com.android.apex1")
productPackages := android.PathForTesting("product_packages.txt")
@@ -204,7 +207,7 @@
func TestDexPreoptStandaloneSystemServerJars(t *testing.T) {
config := android.TestConfig("out", nil, "", nil)
ctx := android.BuilderContextForTesting(config)
- globalSoong := globalSoongConfigForTests()
+ globalSoong := globalSoongConfigForTests(ctx)
global := GlobalConfigForTests(ctx)
module := testPlatformSystemServerModuleConfig(ctx, "service-A")
productPackages := android.PathForTesting("product_packages.txt")
@@ -228,7 +231,7 @@
func TestDexPreoptSystemExtSystemServerJars(t *testing.T) {
config := android.TestConfig("out", nil, "", nil)
ctx := android.BuilderContextForTesting(config)
- globalSoong := globalSoongConfigForTests()
+ globalSoong := globalSoongConfigForTests(ctx)
global := GlobalConfigForTests(ctx)
module := testSystemExtSystemServerModuleConfig(ctx, "service-A")
productPackages := android.PathForTesting("product_packages.txt")
@@ -252,7 +255,7 @@
func TestDexPreoptApexStandaloneSystemServerJars(t *testing.T) {
config := android.TestConfig("out", nil, "", nil)
ctx := android.BuilderContextForTesting(config)
- globalSoong := globalSoongConfigForTests()
+ globalSoong := globalSoongConfigForTests(ctx)
global := GlobalConfigForTests(ctx)
module := testApexModuleConfig(ctx, "service-A", "com.android.apex1")
productPackages := android.PathForTesting("product_packages.txt")
@@ -276,7 +279,7 @@
func TestDexPreoptProfile(t *testing.T) {
config := android.TestConfig("out", nil, "", nil)
ctx := android.BuilderContextForTesting(config)
- globalSoong := globalSoongConfigForTests()
+ globalSoong := globalSoongConfigForTests(ctx)
global := GlobalConfigForTests(ctx)
module := testSystemModuleConfig(ctx, "test")
productPackages := android.PathForTesting("product_packages.txt")
@@ -316,3 +319,55 @@
after := fmt.Sprintf("%v", parsed)
android.AssertStringEquals(t, "The result must be the same as the original after marshalling and unmarshalling it.", before, after)
}
+
+func TestUffdGcFlagForce(t *testing.T) {
+ for _, enableUffdGc := range []string{"true", "false"} {
+ t.Run(enableUffdGc, func(t *testing.T) {
+ preparers := android.GroupFixturePreparers(
+ PrepareForTestWithFakeDex2oatd,
+ PrepareForTestWithDexpreoptConfig,
+ FixtureSetEnableUffdGc(enableUffdGc),
+ )
+
+ result := preparers.RunTest(t)
+ ctx := result.TestContext
+
+ ctx.SingletonForTests("dexpreopt-soong-config").Output("out/soong/dexpreopt/uffd_gc_flag.txt")
+ })
+ }
+}
+
+func TestUffdGcFlagDefault(t *testing.T) {
+ preparers := android.GroupFixturePreparers(
+ PrepareForTestWithFakeDex2oatd,
+ PrepareForTestWithDexpreoptConfig,
+ FixtureSetEnableUffdGc("default"),
+ )
+
+ result := preparers.RunTest(t)
+ ctx := result.TestContext
+ config := ctx.Config()
+
+ rule := ctx.SingletonForTests("dexpreopt-soong-config").Rule("dexpreopt_uffd_gc_flag")
+
+ android.AssertStringDoesContain(t, "", rule.RuleParams.Command, "construct_uffd_gc_flag")
+ android.AssertStringPathsRelativeToTopEquals(t, "", config, []string{
+ "out/soong/dexpreopt/uffd_gc_flag.txt",
+ }, rule.AllOutputs())
+ android.AssertPathsRelativeToTopEquals(t, "", []string{
+ "out/soong/dexpreopt/kernel_version_for_uffd_gc.txt",
+ }, rule.Implicits)
+}
+
+func TestUffdGcFlagBogus(t *testing.T) {
+ preparers := android.GroupFixturePreparers(
+ PrepareForTestWithFakeDex2oatd,
+ PrepareForTestWithDexpreoptConfig,
+ FixtureSetEnableUffdGc("bogus"),
+ )
+
+ preparers.
+ ExtendWithErrorHandler(android.FixtureExpectsAtLeastOneErrorMatchingPattern(
+ "Unknown value of PRODUCT_ENABLE_UFFD_GC: bogus")).
+ RunTest(t)
+}
diff --git a/dexpreopt/testing.go b/dexpreopt/testing.go
index 147a562..b1fbef5 100644
--- a/dexpreopt/testing.go
+++ b/dexpreopt/testing.go
@@ -88,6 +88,15 @@
FixtureModifyGlobalConfig(func(android.PathContext, *GlobalConfig) {}),
)
+var PrepareForTestWithDexpreoptConfig = android.GroupFixturePreparers(
+ android.PrepareForTestWithAndroidBuildComponents,
+ android.FixtureModifyContext(func(ctx *android.TestContext) {
+ ctx.RegisterParallelSingletonType("dexpreopt-soong-config", func() android.Singleton {
+ return &globalSoongConfigSingleton{}
+ })
+ }),
+)
+
// FixtureModifyGlobalConfig enables dexpreopt (unless modified by the mutator) and modifies the
// configuration.
func FixtureModifyGlobalConfig(configModifier func(ctx android.PathContext, dexpreoptConfig *GlobalConfig)) android.FixturePreparer {
@@ -195,3 +204,10 @@
dexpreoptConfig.DisablePreopt = disable
})
}
+
+// FixtureSetEnableUffdGc sets the EnableUffdGc property in the global config.
+func FixtureSetEnableUffdGc(value string) android.FixturePreparer {
+ return FixtureModifyGlobalConfig(func(_ android.PathContext, dexpreoptConfig *GlobalConfig) {
+ dexpreoptConfig.EnableUffdGc = value
+ })
+}
diff --git a/java/androidmk.go b/java/androidmk.go
index c86dcf4..b7df9bf 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -209,9 +209,10 @@
return []android.AndroidMkEntries{}
}
return []android.AndroidMkEntries{android.AndroidMkEntries{
- Class: "JAVA_LIBRARIES",
- OutputFile: android.OptionalPathForPath(prebuilt.combinedClasspathFile),
- Include: "$(BUILD_SYSTEM)/soong_java_prebuilt.mk",
+ Class: "JAVA_LIBRARIES",
+ OverrideName: prebuilt.BaseModuleName(),
+ OutputFile: android.OptionalPathForPath(prebuilt.combinedClasspathFile),
+ Include: "$(BUILD_SYSTEM)/soong_java_prebuilt.mk",
ExtraEntries: []android.AndroidMkExtraEntriesFunc{
func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
entries.SetBool("LOCAL_UNINSTALLABLE_MODULE", !Bool(prebuilt.properties.Installable))
@@ -548,8 +549,8 @@
if BoolDefault(jd.properties.Installable, true) {
entries.SetPath("LOCAL_DROIDDOC_DOC_ZIP", jd.docZip)
}
- if jd.stubsSrcJar != nil {
- entries.SetPath("LOCAL_DROIDDOC_STUBS_SRCJAR", jd.stubsSrcJar)
+ if jd.exportableStubsSrcJar != nil {
+ entries.SetPath("LOCAL_DROIDDOC_STUBS_SRCJAR", jd.exportableStubsSrcJar)
}
},
},
@@ -595,17 +596,17 @@
Include: "$(BUILD_SYSTEM)/soong_droiddoc_prebuilt.mk",
ExtraEntries: []android.AndroidMkExtraEntriesFunc{
func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
- if dstubs.Javadoc.stubsSrcJar != nil {
- entries.SetPath("LOCAL_DROIDDOC_STUBS_SRCJAR", dstubs.Javadoc.stubsSrcJar)
+ if dstubs.Javadoc.exportableStubsSrcJar != nil {
+ entries.SetPath("LOCAL_DROIDDOC_STUBS_SRCJAR", dstubs.Javadoc.exportableStubsSrcJar)
}
if dstubs.everythingArtifacts.apiVersionsXml != nil {
- entries.SetPath("LOCAL_DROIDDOC_API_VERSIONS_XML", dstubs.everythingArtifacts.apiVersionsXml)
+ entries.SetPath("LOCAL_DROIDDOC_API_VERSIONS_XML", dstubs.exportableArtifacts.apiVersionsXml)
}
if dstubs.everythingArtifacts.annotationsZip != nil {
- entries.SetPath("LOCAL_DROIDDOC_ANNOTATIONS_ZIP", dstubs.everythingArtifacts.annotationsZip)
+ entries.SetPath("LOCAL_DROIDDOC_ANNOTATIONS_ZIP", dstubs.exportableArtifacts.annotationsZip)
}
if dstubs.everythingArtifacts.metadataZip != nil {
- entries.SetPath("LOCAL_DROIDDOC_METADATA_ZIP", dstubs.everythingArtifacts.metadataZip)
+ entries.SetPath("LOCAL_DROIDDOC_METADATA_ZIP", dstubs.exportableArtifacts.metadataZip)
}
},
},
diff --git a/java/bootclasspath_fragment.go b/java/bootclasspath_fragment.go
index 2c13d99..7c45d30 100644
--- a/java/bootclasspath_fragment.go
+++ b/java/bootclasspath_fragment.go
@@ -1105,6 +1105,10 @@
return nil
}
+func (module *PrebuiltBootclasspathFragmentModule) UseProfileGuidedDexpreopt() bool {
+ return false
+}
+
var _ android.RequiredFilesFromPrebuiltApex = (*PrebuiltBootclasspathFragmentModule)(nil)
func prebuiltBootclasspathFragmentFactory() android.Module {
diff --git a/java/dexpreopt.go b/java/dexpreopt.go
index 4c0a0a1..9db9b1b 100644
--- a/java/dexpreopt.go
+++ b/java/dexpreopt.go
@@ -282,6 +282,17 @@
d.installPath = android.PathForModuleInPartitionInstall(ctx, "", strings.TrimPrefix(dexpreopt.GetSystemServerDexLocation(ctx, dc, libraryName), "/"))
// generate the rules for creating the .odex and .vdex files for this system server jar
dexJarFile := di.PrebuiltExportPath(ApexRootRelativePathToJavaLib(libraryName))
+
+ d.inputProfilePathOnHost = nil // reset: TODO(spandandas): Make dexpreopter stateless
+ if android.InList(libraryName, di.GetDexpreoptProfileGuidedExportedModuleNames()) {
+ // Set the profile path to guide optimization
+ prof := di.PrebuiltExportPath(ApexRootRelativePathToJavaLib(libraryName) + ".prof")
+ if prof == nil {
+ ctx.ModuleErrorf("Could not find a .prof file in this prebuilt apex")
+ }
+ d.inputProfilePathOnHost = prof
+ }
+
d.dexpreopt(ctx, libraryName, dexJarFile)
}
@@ -354,6 +365,7 @@
var profileClassListing android.OptionalPath
var profileBootListing android.OptionalPath
profileIsTextListing := false
+
if d.inputProfilePathOnHost != nil {
profileClassListing = android.OptionalPathForPath(d.inputProfilePathOnHost)
} else if BoolDefault(d.dexpreoptProperties.Dex_preopt.Profile_guided, true) && !forPrebuiltApex(ctx) {
diff --git a/java/dexpreopt_bootjars.go b/java/dexpreopt_bootjars.go
index ec8b4c8..01f60d4 100644
--- a/java/dexpreopt_bootjars.go
+++ b/java/dexpreopt_bootjars.go
@@ -617,7 +617,8 @@
// GenerateSingletonBuildActions generates build rules for the dexpreopt config for Make.
func (d *dexpreoptBootJars) GenerateSingletonBuildActions(ctx android.SingletonContext) {
- d.dexpreoptConfigForMake = android.PathForOutput(ctx, getDexpreoptDirName(ctx), "dexpreopt.config")
+ d.dexpreoptConfigForMake =
+ android.PathForOutput(ctx, dexpreopt.GetDexpreoptDirName(ctx), "dexpreopt.config")
writeGlobalConfigForMake(ctx, d.dexpreoptConfigForMake)
}
@@ -1066,8 +1067,8 @@
cmd.FlagWithArg("--instruction-set-features=", global.InstructionSetFeatures[arch])
}
- if global.EnableUffdGc && image.target.Os == android.Android {
- cmd.Flag("--runtime-arg").Flag("-Xgc:CMC")
+ if image.target.Os == android.Android {
+ cmd.Text("$(cat").Input(globalSoong.UffdGcFlag).Text(")")
}
if global.BootFlags != "" {
@@ -1235,7 +1236,7 @@
func dumpOatRules(ctx android.ModuleContext, image *bootImageConfig) {
var allPhonies android.Paths
name := image.name
- global := dexpreopt.GetGlobalConfig(ctx)
+ globalSoong := dexpreopt.GetGlobalSoongConfig(ctx)
for _, image := range image.variants {
arch := image.target.Arch.ArchType
suffix := arch.String()
@@ -1247,6 +1248,7 @@
output := android.PathForOutput(ctx, name+"."+suffix+".oatdump.txt")
rule := android.NewRuleBuilder(pctx, ctx)
imageLocationsOnHost, _ := image.imageLocations()
+
cmd := rule.Command().
BuiltTool("oatdump").
FlagWithInputList("--runtime-arg -Xbootclasspath:", image.dexPathsDeps.Paths(), ":").
@@ -1254,8 +1256,8 @@
FlagWithArg("--image=", strings.Join(imageLocationsOnHost, ":")).Implicits(image.imagesDeps.Paths()).
FlagWithOutput("--output=", output).
FlagWithArg("--instruction-set=", arch.String())
- if global.EnableUffdGc && image.target.Os == android.Android {
- cmd.Flag("--runtime-arg").Flag("-Xgc:CMC")
+ if image.target.Os == android.Android {
+ cmd.Text("$(cat").Input(globalSoong.UffdGcFlag).Text(")")
}
rule.Build("dump-oat-"+name+"-"+suffix, "dump oat "+name+" "+arch.String())
diff --git a/java/dexpreopt_config.go b/java/dexpreopt_config.go
index 254b2c1..dc0973c 100644
--- a/java/dexpreopt_config.go
+++ b/java/dexpreopt_config.go
@@ -115,7 +115,7 @@
func genBootImageConfigs(ctx android.PathContext) map[string]*bootImageConfig {
return ctx.Config().Once(bootImageConfigKey, func() interface{} {
targets := dexpreoptTargets(ctx)
- deviceDir := android.PathForOutput(ctx, getDexpreoptDirName(ctx))
+ deviceDir := android.PathForOutput(ctx, dexpreopt.GetDexpreoptDirName(ctx))
configs := genBootImageConfigRaw(ctx)
@@ -234,12 +234,3 @@
func dexpreoptConfigMakevars(ctx android.MakeVarsContext) {
ctx.Strict("DEXPREOPT_BOOT_JARS_MODULES", strings.Join(defaultBootImageConfig(ctx).modules.CopyOfApexJarPairs(), ":"))
}
-
-func getDexpreoptDirName(ctx android.PathContext) string {
- prefix := "dexpreopt_"
- targets := ctx.Config().Targets[android.Android]
- if len(targets) > 0 {
- return prefix + targets[0].Arch.ArchType.String()
- }
- return prefix + "unknown_target"
-}
diff --git a/java/droidstubs.go b/java/droidstubs.go
index 6ef2afe..4267545 100644
--- a/java/droidstubs.go
+++ b/java/droidstubs.go
@@ -333,66 +333,89 @@
}
}
-func (d *Droidstubs) AnnotationsZip(stubsType StubsType) (android.Path, error) {
+func (d *Droidstubs) AnnotationsZip(stubsType StubsType) (ret android.Path, err error) {
switch stubsType {
case Everything:
- return d.everythingArtifacts.annotationsZip, nil
+ ret, err = d.everythingArtifacts.annotationsZip, nil
case Exportable:
- return d.exportableArtifacts.annotationsZip, nil
+ ret, err = d.exportableArtifacts.annotationsZip, nil
default:
- return nil, fmt.Errorf("annotations zip not supported for the stub type %s", stubsType.String())
+ ret, err = nil, fmt.Errorf("annotations zip not supported for the stub type %s", stubsType.String())
}
+ return ret, err
}
-func (d *Droidstubs) ApiFilePath(stubsType StubsType) (android.Path, error) {
+func (d *Droidstubs) ApiFilePath(stubsType StubsType) (ret android.Path, err error) {
switch stubsType {
case Everything:
- return d.apiFile, nil
+ ret, err = d.apiFile, nil
case Exportable:
- return d.exportableApiFile, nil
+ ret, err = d.exportableApiFile, nil
default:
- return nil, fmt.Errorf("api file path not supported for the stub type %s", stubsType.String())
+ ret, err = nil, fmt.Errorf("api file path not supported for the stub type %s", stubsType.String())
}
+ if ret == nil && err == nil {
+ err = fmt.Errorf("stubs srcjar is null for the stub type %s", stubsType.String())
+ }
+ return ret, err
}
-func (d *Droidstubs) ApiVersionsXmlFilePath(stubsType StubsType) (android.Path, error) {
+func (d *Droidstubs) ApiVersionsXmlFilePath(stubsType StubsType) (ret android.Path, err error) {
switch stubsType {
case Everything:
- return d.everythingArtifacts.apiVersionsXml, nil
- default:
- return nil, fmt.Errorf("api versions xml file path not supported for the stub type %s", stubsType.String())
- }
-}
-
-func (d *Droidstubs) DocZip(stubsType StubsType) (android.Path, error) {
- switch stubsType {
- case Everything:
- return d.docZip, nil
- default:
- return nil, fmt.Errorf("docs zip not supported for the stub type %s", stubsType.String())
- }
-}
-
-func (d *Droidstubs) RemovedApiFilePath(stubsType StubsType) (android.Path, error) {
- switch stubsType {
- case Everything:
- return d.removedApiFile, nil
+ ret, err = d.everythingArtifacts.apiVersionsXml, nil
case Exportable:
- return d.exportableRemovedApiFile, nil
+ ret, err = d.exportableArtifacts.apiVersionsXml, nil
default:
- return nil, fmt.Errorf("removed api file path not supported for the stub type %s", stubsType.String())
+ ret, err = nil, fmt.Errorf("api versions xml file path not supported for the stub type %s", stubsType.String())
}
+ if ret == nil && err == nil {
+ err = fmt.Errorf("api versions xml file is null for the stub type %s", stubsType.String())
+ }
+ return ret, err
}
-func (d *Droidstubs) StubsSrcJar(stubsType StubsType) (android.Path, error) {
+func (d *Droidstubs) DocZip(stubsType StubsType) (ret android.Path, err error) {
switch stubsType {
case Everything:
- return d.stubsSrcJar, nil
- case Exportable:
- return d.exportableStubsSrcJar, nil
+ ret, err = d.docZip, nil
default:
- return nil, fmt.Errorf("stubs srcjar not supported for the stub type %s", stubsType.String())
+ ret, err = nil, fmt.Errorf("docs zip not supported for the stub type %s", stubsType.String())
}
+ if ret == nil && err == nil {
+ err = fmt.Errorf("docs zip is null for the stub type %s", stubsType.String())
+ }
+ return ret, err
+}
+
+func (d *Droidstubs) RemovedApiFilePath(stubsType StubsType) (ret android.Path, err error) {
+ switch stubsType {
+ case Everything:
+ ret, err = d.removedApiFile, nil
+ case Exportable:
+ ret, err = d.exportableRemovedApiFile, nil
+ default:
+ ret, err = nil, fmt.Errorf("removed api file path not supported for the stub type %s", stubsType.String())
+ }
+ if ret == nil && err == nil {
+ err = fmt.Errorf("removed api file is null for the stub type %s", stubsType.String())
+ }
+ return ret, err
+}
+
+func (d *Droidstubs) StubsSrcJar(stubsType StubsType) (ret android.Path, err error) {
+ switch stubsType {
+ case Everything:
+ ret, err = d.stubsSrcJar, nil
+ case Exportable:
+ ret, err = d.exportableStubsSrcJar, nil
+ default:
+ ret, err = nil, fmt.Errorf("stubs srcjar not supported for the stub type %s", stubsType.String())
+ }
+ if ret == nil && err == nil {
+ err = fmt.Errorf("stubs srcjar is null for the stub type %s", stubsType.String())
+ }
+ return ret, err
}
func (d *Droidstubs) CurrentApiTimestamp() android.Path {
@@ -537,11 +560,17 @@
var apiVersions android.Path
if proptools.Bool(d.properties.Api_levels_annotations_enabled) {
d.apiLevelsGenerationFlags(ctx, cmd, stubsType, apiVersionsXml)
- apiVersions = d.everythingArtifacts.apiVersionsXml
+ apiVersions = apiVersionsXml
} else {
ctx.VisitDirectDepsWithTag(metalavaAPILevelsModuleTag, func(m android.Module) {
if s, ok := m.(*Droidstubs); ok {
- apiVersions = s.everythingArtifacts.apiVersionsXml
+ if stubsType == Everything {
+ apiVersions = s.everythingArtifacts.apiVersionsXml
+ } else if stubsType == Exportable {
+ apiVersions = s.exportableArtifacts.apiVersionsXml
+ } else {
+ ctx.ModuleErrorf("%s stubs type does not generate api-versions.xml file", stubsType.String())
+ }
} else {
ctx.PropertyErrorf("api_levels_module",
"module %q is not a droidstubs module", ctx.OtherModuleName(m))
@@ -976,8 +1005,11 @@
stubConfig: params,
}
- d.Javadoc.exportableStubsSrcJar = android.PathForModuleOut(ctx, params.stubsType.String(), ctx.ModuleName()+"-"+"stubs.srcjar")
- optionalCmdParams.stubsSrcJar = d.Javadoc.exportableStubsSrcJar
+ if params.generateStubs {
+ d.Javadoc.exportableStubsSrcJar = android.PathForModuleOut(ctx, params.stubsType.String(), ctx.ModuleName()+"-"+"stubs.srcjar")
+ optionalCmdParams.stubsSrcJar = d.Javadoc.exportableStubsSrcJar
+ }
+
if params.writeSdkValues {
d.exportableArtifacts.metadataZip = android.PathForModuleOut(ctx, params.stubsType.String(), ctx.ModuleName()+"-metadata.zip")
d.exportableArtifacts.metadataDir = android.PathForModuleOut(ctx, params.stubsType.String(), "metadata")
diff --git a/java/java.go b/java/java.go
index d536ca1..cd249ed 100644
--- a/java/java.go
+++ b/java/java.go
@@ -1837,6 +1837,7 @@
func (al *ApiLibrary) DepsMutator(ctx android.BottomUpMutatorContext) {
apiContributions := al.properties.Api_contributions
addValidations := !ctx.Config().IsEnvTrue("DISABLE_STUB_VALIDATION") &&
+ !ctx.Config().IsEnvTrue("WITHOUT_CHECK_API") &&
proptools.BoolDefault(al.properties.Enable_validation, true)
for _, apiContributionName := range apiContributions {
ctx.AddDependency(ctx.Module(), javaApiContributionTag, apiContributionName)
@@ -2089,6 +2090,11 @@
// that depend on this module, as well as to aidl for this module.
Export_include_dirs []string
}
+
+ // Name of the source soong module that gets shadowed by this prebuilt
+ // If unspecified, follows the naming convention that the source module of
+ // the prebuilt is Name() without "prebuilt_" prefix
+ Source_module_name *string
}
type Import struct {
@@ -2162,12 +2168,16 @@
return j.properties.Jars
}
+func (j *Import) BaseModuleName() string {
+ return proptools.StringDefault(j.properties.Source_module_name, j.ModuleBase.Name())
+}
+
func (j *Import) Name() string {
return j.prebuilt.Name(j.ModuleBase.Name())
}
func (j *Import) Stem() string {
- return proptools.StringDefault(j.properties.Stem, j.ModuleBase.Name())
+ return proptools.StringDefault(j.properties.Stem, j.BaseModuleName())
}
func (a *Import) JacocoReportClassesFile() android.Path {
@@ -2453,6 +2463,10 @@
return requiredFilesFromPrebuiltApexForImport(name, &j.dexpreopter)
}
+func (j *Import) UseProfileGuidedDexpreopt() bool {
+ return proptools.Bool(j.importDexpreoptProperties.Dex_preopt.Profile_guided)
+}
+
// Add compile time check for interface implementation
var _ android.IDEInfo = (*Import)(nil)
var _ android.IDECustomizedModuleName = (*Import)(nil)
diff --git a/java/java_test.go b/java/java_test.go
index 0891ab6..42301d8 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -24,6 +24,7 @@
"strings"
"testing"
+ "github.com/google/blueprint"
"github.com/google/blueprint/proptools"
"android/soong/aconfig"
@@ -2521,3 +2522,105 @@
apiScopePublic.stubsLibraryModuleName("foo"), "android_common",
apiScopePublic.apiLibraryModuleName("foo")))
}
+
+func TestMultiplePrebuilts(t *testing.T) {
+ bp := `
+ // an rdep
+ java_library {
+ name: "foo",
+ libs: ["bar"],
+ }
+
+ // multiple variations of dep
+ // source
+ java_library {
+ name: "bar",
+ srcs: ["bar.java"],
+ }
+ // prebuilt "v1"
+ java_import {
+ name: "bar",
+ jars: ["bar.jar"],
+ }
+ // prebuilt "v2"
+ java_import {
+ name: "bar.v2",
+ source_module_name: "bar",
+ jars: ["bar.v1.jar"],
+ }
+
+ // selectors
+ apex_contributions {
+ name: "myapex_contributions",
+ contents: ["%v"],
+ }
+ `
+ hasDep := func(ctx *android.TestResult, m android.Module, wantDep android.Module) bool {
+ t.Helper()
+ var found bool
+ ctx.VisitDirectDeps(m, func(dep blueprint.Module) {
+ if dep == wantDep {
+ found = true
+ }
+ })
+ return found
+ }
+
+ hasFileWithStem := func(m android.TestingModule, stem string) bool {
+ t.Helper()
+ for _, o := range m.AllOutputs() {
+ _, file := filepath.Split(o)
+ if file == stem+".jar" {
+ return true
+ }
+ }
+ return false
+ }
+
+ testCases := []struct {
+ desc string
+ selectedDependencyName string
+ expectedDependencyName string
+ }{
+ {
+ desc: "Source library is selected using apex_contributions",
+ selectedDependencyName: "bar",
+ expectedDependencyName: "bar",
+ },
+ {
+ desc: "Prebuilt library v1 is selected using apex_contributions",
+ selectedDependencyName: "prebuilt_bar",
+ expectedDependencyName: "prebuilt_bar",
+ },
+ {
+ desc: "Prebuilt library v2 is selected using apex_contributions",
+ selectedDependencyName: "prebuilt_bar.v2",
+ expectedDependencyName: "prebuilt_bar.v2",
+ },
+ }
+
+ for _, tc := range testCases {
+ ctx := android.GroupFixturePreparers(
+ prepareForJavaTest,
+ android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+ variables.BuildFlags = map[string]string{
+ "RELEASE_APEX_CONTRIBUTIONS_ADSERVICES": "myapex_contributions",
+ }
+ }),
+ ).RunTestWithBp(t, fmt.Sprintf(bp, tc.selectedDependencyName))
+
+ // check that rdep gets the correct variation of dep
+ foo := ctx.ModuleForTests("foo", "android_common")
+ expectedDependency := ctx.ModuleForTests(tc.expectedDependencyName, "android_common")
+ android.AssertBoolEquals(t, fmt.Sprintf("expected dependency from %s to %s\n", foo.Module().Name(), tc.expectedDependencyName), true, hasDep(ctx, foo.Module(), expectedDependency.Module()))
+
+ // check that output file of dep is always bar.jar
+ // The filename should be agnostic to source/prebuilt/prebuilt_version
+ android.AssertBoolEquals(t, fmt.Sprintf("could not find bar.jar in outputs of %s. All Outputs %v\n", tc.expectedDependencyName, expectedDependency.AllOutputs()), true, hasFileWithStem(expectedDependency, "bar"))
+
+ // check LOCAL_MODULE of the selected module name
+ // the prebuilt should have the same LOCAL_MODULE when exported to make
+ entries := android.AndroidMkEntriesForTest(t, ctx.TestContext, expectedDependency.Module())[0]
+ android.AssertStringEquals(t, "unexpected LOCAL_MODULE", "bar", entries.EntryMap["LOCAL_MODULE"][0])
+ }
+}
diff --git a/java/sdk_library.go b/java/sdk_library.go
index 2bf6644..49e6727 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -3019,6 +3019,10 @@
return requiredFilesFromPrebuiltApexForImport(name, &module.dexpreopter)
}
+func (j *SdkLibraryImport) UseProfileGuidedDexpreopt() bool {
+ return proptools.Bool(j.importDexpreoptProperties.Dex_preopt.Profile_guided)
+}
+
// java_sdk_library_xml
type sdkLibraryXml struct {
android.ModuleBase
diff --git a/java/systemserver_classpath_fragment.go b/java/systemserver_classpath_fragment.go
index 30dd55f..59c5466 100644
--- a/java/systemserver_classpath_fragment.go
+++ b/java/systemserver_classpath_fragment.go
@@ -313,6 +313,10 @@
return nil
}
+func (module *prebuiltSystemServerClasspathModule) UseProfileGuidedDexpreopt() bool {
+ return false
+}
+
var _ android.RequiredFilesFromPrebuiltApex = (*prebuiltSystemServerClasspathModule)(nil)
func prebuiltSystemServerClasspathModuleFactory() android.Module {
diff --git a/python/scripts/precompile_python.py b/python/scripts/precompile_python.py
index e12e7d2..80e7c76 100644
--- a/python/scripts/precompile_python.py
+++ b/python/scripts/precompile_python.py
@@ -16,6 +16,7 @@
import argparse
import py_compile
import os
+import sys
import shutil
import tempfile
import zipfile
@@ -23,22 +24,31 @@
# This file needs to support both python 2 and 3.
-def process_one_file(name, inf, outzip):
- if not name.endswith('.py'):
- outzip.writestr(name, inf.read())
+def process_one_file(info, infile, outzip):
+ if not info.filename.endswith('.py'):
+ outzip.writestr(info, infile.read())
return
# Unfortunately py_compile requires the input/output files to be written
# out to disk.
with tempfile.NamedTemporaryFile(prefix="Soong_precompile_", delete=False) as tmp:
- shutil.copyfileobj(inf, tmp)
+ shutil.copyfileobj(infile, tmp)
in_name = tmp.name
with tempfile.NamedTemporaryFile(prefix="Soong_precompile_", delete=False) as tmp:
out_name = tmp.name
try:
- py_compile.compile(in_name, out_name, name, doraise=True)
+ # Ensure deterministic pyc by using the hash rather than timestamp.
+ # This is required to improve caching in accelerated builds.
+ # Only works on Python 3.7+ (see https://docs.python.org/3/library/py_compile.html#py_compile.PycInvalidationMode)
+ # which should cover most updated branches and developer machines.
+ if sys.version_info >= (3, 7):
+ py_compile.compile(in_name, out_name, info.filename, doraise=True, invalidation_mode=py_compile.PycInvalidationMode.CHECKED_HASH)
+ else:
+ py_compile.compile(in_name, out_name, info.filename, doraise=True)
with open(out_name, 'rb') as f:
- outzip.writestr(name + 'c', f.read())
+ info.filename = info.filename + 'c'
+ # Use ZipInfo rather than str to reuse timestamps for deterministic zip files.
+ outzip.writestr(info, f.read())
finally:
os.remove(in_name)
os.remove(out_name)
@@ -52,9 +62,9 @@
with open(args.dst_zip, 'wb') as outf, open(args.src_zip, 'rb') as inf:
with zipfile.ZipFile(outf, mode='w') as outzip, zipfile.ZipFile(inf, mode='r') as inzip:
- for name in inzip.namelist():
- with inzip.open(name, mode='r') as inzipf:
- process_one_file(name, inzipf, outzip)
+ for info in inzip.infolist():
+ with inzip.open(info.filename, mode='r') as inzipf:
+ process_one_file(info, inzipf, outzip)
if __name__ == "__main__":
diff --git a/rust/vendor_snapshot_test.go b/rust/vendor_snapshot_test.go
index 4f45799..7ebe66b 100644
--- a/rust/vendor_snapshot_test.go
+++ b/rust/vendor_snapshot_test.go
@@ -553,6 +553,7 @@
vendor: true,
nocrt: true,
no_libcrt: true,
+ no_crt_pad_segment: true,
stl: "none",
system_shared_libs: [],
}
@@ -857,6 +858,7 @@
target_arch: "arm64",
compile_multilib: "32",
vendor: true,
+ no_crt_pad_segment: true,
arch: {
arm: {
src: "lib32.so",
@@ -870,6 +872,7 @@
target_arch: "arm64",
compile_multilib: "64",
vendor: true,
+ no_crt_pad_segment: true,
arch: {
arm64: {
src: "lib64.so",
@@ -882,6 +885,7 @@
target_arch: "arm64",
compile_multilib: "64",
vendor: true,
+ no_crt_pad_segment: true,
arch: {
arm64: {
src: "liblog.so",
@@ -913,6 +917,7 @@
target_arch: "arm64",
compile_multilib: "both",
vendor: true,
+ no_crt_pad_segment: true,
arch: {
arm64: {
src: "libvendor_available.so",
diff --git a/scripts/Android.bp b/scripts/Android.bp
index 7baaadb..e2fd59f 100644
--- a/scripts/Android.bp
+++ b/scripts/Android.bp
@@ -143,6 +143,39 @@
}
python_library_host {
+ name: "uffd_gc_utils",
+ srcs: [
+ "uffd_gc_utils.py",
+ ],
+ visibility: [
+ "//build/make/tools:__subpackages__",
+ ],
+}
+
+python_test_host {
+ name: "uffd_gc_utils_test",
+ main: "uffd_gc_utils_test.py",
+ srcs: [
+ "uffd_gc_utils_test.py",
+ ],
+ libs: [
+ "uffd_gc_utils",
+ ],
+ test_suites: ["general-tests"],
+}
+
+python_binary_host {
+ name: "construct_uffd_gc_flag",
+ main: "construct_uffd_gc_flag.py",
+ srcs: [
+ "construct_uffd_gc_flag.py",
+ ],
+ libs: [
+ "uffd_gc_utils",
+ ],
+}
+
+python_library_host {
name: "ninja_rsp",
srcs: ["ninja_rsp.py"],
}
diff --git a/scripts/construct_uffd_gc_flag.py b/scripts/construct_uffd_gc_flag.py
new file mode 100644
index 0000000..f437961
--- /dev/null
+++ b/scripts/construct_uffd_gc_flag.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2024 The Android Open Source Project
+#
+# 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.
+#
+"""A tool for constructing UFFD GC flag."""
+
+import argparse
+import os
+
+from uffd_gc_utils import should_enable_uffd_gc
+
+
+def parse_args():
+ parser = argparse.ArgumentParser()
+ parser.add_argument('kernel_version_file')
+ parser.add_argument('output')
+ return parser.parse_args()
+
+def main():
+ args = parse_args()
+ enable_uffd_gc = should_enable_uffd_gc(args.kernel_version_file)
+ flag = '--runtime-arg -Xgc:CMC' if enable_uffd_gc else ''
+ # Prevent the file's mtime from being changed if the contents don't change.
+ # This avoids unnecessary dexpreopt reruns.
+ if os.path.isfile(args.output):
+ with open(args.output, 'r') as f:
+ if f.read() == flag:
+ return
+ with open(args.output, 'w') as f:
+ f.write(flag)
+
+
+if __name__ == '__main__':
+ main()
diff --git a/scripts/uffd_gc_utils.py b/scripts/uffd_gc_utils.py
new file mode 100644
index 0000000..2d35494
--- /dev/null
+++ b/scripts/uffd_gc_utils.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2024 The Android Open Source Project
+#
+# 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.
+#
+"""Utils to determine whether to enable UFFD GC."""
+
+import re
+import sys
+
+
+def should_enable_uffd_gc(kernel_version_file):
+ with open(kernel_version_file, 'r') as f:
+ kernel_version = f.read().strip()
+ return should_enable_uffd_gc_impl(kernel_version)
+
+def should_enable_uffd_gc_impl(kernel_version):
+ # See https://source.android.com/docs/core/architecture/kernel/gki-versioning#determine-release
+ p = r"^(?P<w>\d+)[.](?P<x>\d+)[.](?P<y>\d+)(-android(?P<z>\d+)-(?P<k>\d+).*$)?"
+ m = re.match(p, kernel_version)
+ if m is not None:
+ if m.group('z') is not None:
+ android_release = int(m.group('z'))
+ # No need to check w, x, y because all Android 12 kernels have backports.
+ return android_release >= 12
+ else:
+ # Old kernel or non-GKI kernel.
+ version = int(m.group('w'))
+ patch_level = int(m.group('x'))
+ if version < 5:
+ # Old kernel.
+ return False
+ elif (version == 5 and patch_level >= 7) or version >= 6:
+ # New non-GKI kernel. 5.7 supports MREMAP_DONTUNMAP without the need for
+ # backports.
+ return True
+ else:
+ # Non-GKI kernel between 5 and 5.6. It may have backports.
+ raise exit_with_error(kernel_version)
+ elif kernel_version == '<unknown-kernel>':
+ # The kernel information isn't available to the build system, probably
+ # because PRODUCT_OTA_ENFORCE_VINTF_KERNEL_REQUIREMENTS is set to false. We
+ # assume that the kernel supports UFFD GC because it is the case for most of
+ # the products today and it is the future.
+ return True
+ else:
+ # Unrecognizable non-GKI kernel.
+ raise exit_with_error(kernel_version)
+
+def exit_with_error(kernel_version):
+ sys.exit(f"""
+Unable to determine UFFD GC flag for kernel version "{kernel_version}".
+You can fix this by explicitly setting PRODUCT_ENABLE_UFFD_GC to "true" or
+"false" based on the kernel version.
+1. Set PRODUCT_ENABLE_UFFD_GC to "true" if the kernel supports userfaultfd(2)
+ and MREMAP_DONTUNMAP.
+2. Set PRODUCT_ENABLE_UFFD_GC to "false" otherwise.""")
diff --git a/scripts/uffd_gc_utils_test.py b/scripts/uffd_gc_utils_test.py
new file mode 100644
index 0000000..c86ab4b
--- /dev/null
+++ b/scripts/uffd_gc_utils_test.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2024 The Android Open Source Project
+#
+# 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.
+#
+"""Unit tests for uffd_gc_utils.py."""
+
+import unittest
+
+from uffd_gc_utils import should_enable_uffd_gc_impl
+
+
+class UffdGcUtilsTest(unittest.TestCase):
+ def test_should_enable_uffd_gc_impl(self):
+ # GKI kernels in new format.
+ self.assertTrue(should_enable_uffd_gc_impl(
+ "6.1.25-android14-11-g34fde9ec08a3-ab10675345"))
+ self.assertTrue(should_enable_uffd_gc_impl(
+ "5.4.42-android12-0-something"))
+ self.assertFalse(should_enable_uffd_gc_impl(
+ "5.4.42-android11-0-something"))
+ # GKI kernels in old format.
+ self.assertFalse(should_enable_uffd_gc_impl(
+ "4.19.282-g4b749a433956-ab10893502"))
+ # Non GKI kernels.
+ self.assertTrue(should_enable_uffd_gc_impl(
+ "6.1.25-foo"))
+ self.assertTrue(should_enable_uffd_gc_impl(
+ "6.1.25"))
+ self.assertTrue(should_enable_uffd_gc_impl(
+ "5.10.19-foo"))
+ self.assertTrue(should_enable_uffd_gc_impl(
+ "5.10.19"))
+ with self.assertRaises(SystemExit):
+ should_enable_uffd_gc_impl("5.4.42-foo")
+ with self.assertRaises(SystemExit):
+ should_enable_uffd_gc_impl("5.4.42")
+ self.assertFalse(should_enable_uffd_gc_impl(
+ "4.19.282-foo"))
+ self.assertFalse(should_enable_uffd_gc_impl(
+ "4.19.282"))
+ with self.assertRaises(SystemExit):
+ should_enable_uffd_gc_impl("foo")
+ # No kernel.
+ self.assertTrue(should_enable_uffd_gc_impl(
+ "<unknown-kernel>"))
+
+
+if __name__ == '__main__':
+ unittest.main(verbosity=2)