| // Copyright 2016 Google Inc. All rights reserved. | |
| // | |
| // Licensed under the Apache License, Version 2.0 (the "License"); | |
| // you may not use this file except in compliance with the License. | |
| // You may obtain a copy of the License at | |
| // | |
| // http://www.apache.org/licenses/LICENSE-2.0 | |
| // | |
| // Unless required by applicable law or agreed to in writing, software | |
| // distributed under the License is distributed on an "AS IS" BASIS, | |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| // See the License for the specific language governing permissions and | |
| // limitations under the License. | |
| package cc | |
| import ( | |
| "fmt" | |
| "io" | |
| "path/filepath" | |
| "regexp" | |
| "strconv" | |
| "strings" | |
| "sync" | |
| "android/soong/android" | |
| "android/soong/bazel" | |
| "android/soong/bazel/cquery" | |
| "github.com/google/blueprint" | |
| "github.com/google/blueprint/pathtools" | |
| "github.com/google/blueprint/proptools" | |
| ) | |
| // LibraryProperties is a collection of properties shared by cc library rules/cc. | |
| type LibraryProperties struct { | |
| // local file name to pass to the linker as -unexported_symbols_list | |
| Unexported_symbols_list *string `android:"path,arch_variant"` | |
| // local file name to pass to the linker as -force_symbols_not_weak_list | |
| Force_symbols_not_weak_list *string `android:"path,arch_variant"` | |
| // local file name to pass to the linker as -force_symbols_weak_list | |
| Force_symbols_weak_list *string `android:"path,arch_variant"` | |
| // rename host libraries to prevent overlap with system installed libraries | |
| Unique_host_soname *bool | |
| Aidl struct { | |
| // export headers generated from .aidl sources | |
| Export_aidl_headers *bool | |
| } | |
| Proto struct { | |
| // export headers generated from .proto sources | |
| Export_proto_headers *bool | |
| } | |
| Sysprop struct { | |
| // Whether platform owns this sysprop library. | |
| Platform *bool | |
| } `blueprint:"mutated"` | |
| Static_ndk_lib *bool | |
| // Generate stubs to make this library accessible to APEXes. | |
| Stubs struct { | |
| // Relative path to the symbol map. The symbol map provides the list of | |
| // symbols that are exported for stubs variant of this library. | |
| Symbol_file *string `android:"path"` | |
| // List versions to generate stubs libs for. The version name "current" is always | |
| // implicitly added. | |
| Versions []string | |
| // Whether to not require the implementation of the library to be installed if a | |
| // client of the stubs is installed. Defaults to true; set to false if the | |
| // implementation is made available by some other means, e.g. in a Microdroid | |
| // virtual machine. | |
| Implementation_installable *bool | |
| } | |
| // set the name of the output | |
| Stem *string `android:"arch_variant"` | |
| // set suffix of the name of the output | |
| Suffix *string `android:"arch_variant"` | |
| // Properties for ABI compatibility checker. | |
| Header_abi_checker headerAbiCheckerProperties | |
| Target struct { | |
| Vendor, Product struct { | |
| // set suffix of the name of the output | |
| Suffix *string `android:"arch_variant"` | |
| Header_abi_checker headerAbiCheckerProperties | |
| } | |
| Platform struct { | |
| Header_abi_checker headerAbiCheckerProperties | |
| } | |
| } | |
| // Names of modules to be overridden. Listed modules can only be other shared libraries | |
| // (in Make or Soong). | |
| // This does not completely prevent installation of the overridden libraries, but if both | |
| // binaries would be installed by default (in PRODUCT_PACKAGES) the other library will be removed | |
| // from PRODUCT_PACKAGES. | |
| Overrides []string | |
| // Inject boringssl hash into the shared library. This is only intended for use by external/boringssl. | |
| Inject_bssl_hash *bool `android:"arch_variant"` | |
| // If this is an LLNDK library, properties to describe the LLNDK stubs. Will be copied from | |
| // the module pointed to by llndk_stubs if it is set. | |
| Llndk llndkLibraryProperties | |
| // If this is a vendor public library, properties to describe the vendor public library stubs. | |
| Vendor_public_library vendorPublicLibraryProperties | |
| } | |
| // StaticProperties is a properties stanza to affect only attributes of the "static" variants of a | |
| // library module. | |
| type StaticProperties struct { | |
| Static StaticOrSharedProperties `android:"arch_variant"` | |
| } | |
| // SharedProperties is a properties stanza to affect only attributes of the "shared" variants of a | |
| // library module. | |
| type SharedProperties struct { | |
| Shared StaticOrSharedProperties `android:"arch_variant"` | |
| } | |
| // StaticOrSharedProperties is an embedded struct representing properties to affect attributes of | |
| // either only the "static" variants or only the "shared" variants of a library module. These override | |
| // the base properties of the same name. | |
| // Use `StaticProperties` or `SharedProperties`, depending on which variant is needed. | |
| // `StaticOrSharedProperties` exists only to avoid duplication. | |
| type StaticOrSharedProperties struct { | |
| Srcs []string `android:"path,arch_variant"` | |
| Tidy_disabled_srcs []string `android:"path,arch_variant"` | |
| Tidy_timeout_srcs []string `android:"path,arch_variant"` | |
| Sanitized Sanitized `android:"arch_variant"` | |
| Cflags []string `android:"arch_variant"` | |
| Enabled *bool `android:"arch_variant"` | |
| Whole_static_libs []string `android:"arch_variant"` | |
| Static_libs []string `android:"arch_variant"` | |
| Shared_libs []string `android:"arch_variant"` | |
| System_shared_libs []string `android:"arch_variant"` | |
| Export_shared_lib_headers []string `android:"arch_variant"` | |
| Export_static_lib_headers []string `android:"arch_variant"` | |
| Apex_available []string `android:"arch_variant"` | |
| Installable *bool `android:"arch_variant"` | |
| } | |
| type LibraryMutatedProperties struct { | |
| // Build a static variant | |
| BuildStatic bool `blueprint:"mutated"` | |
| // Build a shared variant | |
| BuildShared bool `blueprint:"mutated"` | |
| // This variant is shared | |
| VariantIsShared bool `blueprint:"mutated"` | |
| // This variant is static | |
| VariantIsStatic bool `blueprint:"mutated"` | |
| // This variant is a stubs lib | |
| BuildStubs bool `blueprint:"mutated"` | |
| // This variant is the latest version | |
| IsLatestVersion bool `blueprint:"mutated"` | |
| // Version of the stubs lib | |
| StubsVersion string `blueprint:"mutated"` | |
| // List of all stubs versions associated with an implementation lib | |
| AllStubsVersions []string `blueprint:"mutated"` | |
| } | |
| type FlagExporterProperties struct { | |
| // list of directories relative to the Blueprints file that will | |
| // be added to the include path (using -I) for this module and any module that links | |
| // against this module. Directories listed in export_include_dirs do not need to be | |
| // listed in local_include_dirs. | |
| Export_include_dirs []string `android:"arch_variant,variant_prepend"` | |
| // list of directories that will be added to the system include path | |
| // using -isystem for this module and any module that links against this module. | |
| Export_system_include_dirs []string `android:"arch_variant,variant_prepend"` | |
| Target struct { | |
| Vendor, Product struct { | |
| // list of exported include directories, like | |
| // export_include_dirs, that will be applied to | |
| // vendor or product variant of this library. | |
| // This will overwrite any other declarations. | |
| Override_export_include_dirs []string | |
| } | |
| } | |
| } | |
| func init() { | |
| RegisterLibraryBuildComponents(android.InitRegistrationContext) | |
| } | |
| func RegisterLibraryBuildComponents(ctx android.RegistrationContext) { | |
| ctx.RegisterModuleType("cc_library_static", LibraryStaticFactory) | |
| ctx.RegisterModuleType("cc_library_shared", LibrarySharedFactory) | |
| ctx.RegisterModuleType("cc_library", LibraryFactory) | |
| ctx.RegisterModuleType("cc_library_host_static", LibraryHostStaticFactory) | |
| ctx.RegisterModuleType("cc_library_host_shared", LibraryHostSharedFactory) | |
| } | |
| // TODO(b/199902614): Can this be factored to share with the other Attributes? | |
| // For bp2build conversion. | |
| type bazelCcLibraryAttributes struct { | |
| // Attributes pertaining to both static and shared variants. | |
| Srcs bazel.LabelListAttribute | |
| Srcs_c bazel.LabelListAttribute | |
| Srcs_as bazel.LabelListAttribute | |
| Copts bazel.StringListAttribute | |
| Cppflags bazel.StringListAttribute | |
| Conlyflags bazel.StringListAttribute | |
| Asflags bazel.StringListAttribute | |
| Hdrs bazel.LabelListAttribute | |
| Deps bazel.LabelListAttribute | |
| Implementation_deps bazel.LabelListAttribute | |
| Dynamic_deps bazel.LabelListAttribute | |
| Implementation_dynamic_deps bazel.LabelListAttribute | |
| Whole_archive_deps bazel.LabelListAttribute | |
| Implementation_whole_archive_deps bazel.LabelListAttribute | |
| System_dynamic_deps bazel.LabelListAttribute | |
| Export_includes bazel.StringListAttribute | |
| Export_system_includes bazel.StringListAttribute | |
| Local_includes bazel.StringListAttribute | |
| Absolute_includes bazel.StringListAttribute | |
| Linkopts bazel.StringListAttribute | |
| Rtti bazel.BoolAttribute | |
| Stl *string | |
| Cpp_std *string | |
| C_std *string | |
| // This is shared only. | |
| Additional_linker_inputs bazel.LabelListAttribute | |
| // Common properties shared between both shared and static variants. | |
| Shared staticOrSharedAttributes | |
| Static staticOrSharedAttributes | |
| Strip stripAttributes | |
| Features bazel.StringListAttribute | |
| } | |
| type aidlLibraryAttributes struct { | |
| Srcs bazel.LabelListAttribute | |
| Include_dir *string | |
| Tags bazel.StringListAttribute | |
| } | |
| type ccAidlLibraryAttributes struct { | |
| Deps bazel.LabelListAttribute | |
| Implementation_deps bazel.LabelListAttribute | |
| Implementation_dynamic_deps bazel.LabelListAttribute | |
| Tags bazel.StringListAttribute | |
| sdkAttributes | |
| includesAttributes | |
| } | |
| type stripAttributes struct { | |
| Keep_symbols bazel.BoolAttribute | |
| Keep_symbols_and_debug_frame bazel.BoolAttribute | |
| Keep_symbols_list bazel.StringListAttribute | |
| All bazel.BoolAttribute | |
| None bazel.BoolAttribute | |
| } | |
| func stripAttrsFromLinkerAttrs(la *linkerAttributes) stripAttributes { | |
| return stripAttributes{ | |
| Keep_symbols: la.stripKeepSymbols, | |
| Keep_symbols_and_debug_frame: la.stripKeepSymbolsAndDebugFrame, | |
| Keep_symbols_list: la.stripKeepSymbolsList, | |
| All: la.stripAll, | |
| None: la.stripNone, | |
| } | |
| } | |
| func libraryBp2Build(ctx android.TopDownMutatorContext, m *Module) { | |
| sharedAttrs := bp2BuildParseSharedProps(ctx, m) | |
| staticAttrs := bp2BuildParseStaticProps(ctx, m) | |
| baseAttributes := bp2BuildParseBaseProps(ctx, m) | |
| compilerAttrs := baseAttributes.compilerAttributes | |
| linkerAttrs := baseAttributes.linkerAttributes | |
| exportedIncludes := bp2BuildParseExportedIncludes(ctx, m, &compilerAttrs.includes) | |
| srcs := compilerAttrs.srcs | |
| sharedAttrs.Dynamic_deps.Add(baseAttributes.protoDependency) | |
| staticAttrs.Deps.Add(baseAttributes.protoDependency) | |
| asFlags := compilerAttrs.asFlags | |
| if compilerAttrs.asSrcs.IsEmpty() && sharedAttrs.Srcs_as.IsEmpty() && staticAttrs.Srcs_as.IsEmpty() { | |
| // Skip asflags for BUILD file simplicity if there are no assembly sources. | |
| asFlags = bazel.MakeStringListAttribute(nil) | |
| } | |
| sharedFeatures := baseAttributes.features.Clone().Append(sharedAttrs.Features) | |
| sharedFeatures.DeduplicateAxesFromBase() | |
| staticFeatures := baseAttributes.features.Clone().Append(staticAttrs.Features) | |
| staticFeatures.DeduplicateAxesFromBase() | |
| staticCommonAttrs := staticOrSharedAttributes{ | |
| Srcs: *srcs.Clone().Append(staticAttrs.Srcs), | |
| Srcs_c: *compilerAttrs.cSrcs.Clone().Append(staticAttrs.Srcs_c), | |
| Srcs_as: *compilerAttrs.asSrcs.Clone().Append(staticAttrs.Srcs_as), | |
| Copts: *compilerAttrs.copts.Clone().Append(staticAttrs.Copts), | |
| Hdrs: *compilerAttrs.hdrs.Clone().Append(staticAttrs.Hdrs), | |
| Deps: *linkerAttrs.deps.Clone().Append(staticAttrs.Deps), | |
| Implementation_deps: *linkerAttrs.implementationDeps.Clone().Append(staticAttrs.Implementation_deps), | |
| Dynamic_deps: *linkerAttrs.dynamicDeps.Clone().Append(staticAttrs.Dynamic_deps), | |
| Implementation_dynamic_deps: *linkerAttrs.implementationDynamicDeps.Clone().Append(staticAttrs.Implementation_dynamic_deps), | |
| Implementation_whole_archive_deps: linkerAttrs.implementationWholeArchiveDeps, | |
| Whole_archive_deps: *linkerAttrs.wholeArchiveDeps.Clone().Append(staticAttrs.Whole_archive_deps), | |
| System_dynamic_deps: *linkerAttrs.systemDynamicDeps.Clone().Append(staticAttrs.System_dynamic_deps), | |
| Runtime_deps: linkerAttrs.runtimeDeps, | |
| sdkAttributes: bp2BuildParseSdkAttributes(m), | |
| Native_coverage: baseAttributes.Native_coverage, | |
| } | |
| includeAttrs := includesAttributes{ | |
| Export_includes: exportedIncludes.Includes, | |
| Export_absolute_includes: exportedIncludes.AbsoluteIncludes, | |
| Export_system_includes: exportedIncludes.SystemIncludes, | |
| Local_includes: compilerAttrs.localIncludes, | |
| Absolute_includes: compilerAttrs.absoluteIncludes, | |
| } | |
| sharedCommonAttrs := staticOrSharedAttributes{ | |
| Srcs: *srcs.Clone().Append(sharedAttrs.Srcs), | |
| Srcs_c: *compilerAttrs.cSrcs.Clone().Append(sharedAttrs.Srcs_c), | |
| Srcs_as: *compilerAttrs.asSrcs.Clone().Append(sharedAttrs.Srcs_as), | |
| Copts: *compilerAttrs.copts.Clone().Append(sharedAttrs.Copts), | |
| Hdrs: *compilerAttrs.hdrs.Clone().Append(sharedAttrs.Hdrs), | |
| Deps: *linkerAttrs.deps.Clone().Append(sharedAttrs.Deps), | |
| Implementation_deps: *linkerAttrs.implementationDeps.Clone().Append(sharedAttrs.Implementation_deps), | |
| Dynamic_deps: *linkerAttrs.dynamicDeps.Clone().Append(sharedAttrs.Dynamic_deps), | |
| Implementation_dynamic_deps: *linkerAttrs.implementationDynamicDeps.Clone().Append(sharedAttrs.Implementation_dynamic_deps), | |
| Whole_archive_deps: *linkerAttrs.wholeArchiveDeps.Clone().Append(sharedAttrs.Whole_archive_deps), | |
| Implementation_whole_archive_deps: linkerAttrs.implementationWholeArchiveDeps, | |
| System_dynamic_deps: *linkerAttrs.systemDynamicDeps.Clone().Append(sharedAttrs.System_dynamic_deps), | |
| Runtime_deps: linkerAttrs.runtimeDeps, | |
| sdkAttributes: bp2BuildParseSdkAttributes(m), | |
| Native_coverage: baseAttributes.Native_coverage, | |
| } | |
| staticTargetAttrs := &bazelCcLibraryStaticAttributes{ | |
| staticOrSharedAttributes: staticCommonAttrs, | |
| includesAttributes: includeAttrs, | |
| Cppflags: compilerAttrs.cppFlags, | |
| Conlyflags: compilerAttrs.conlyFlags, | |
| Asflags: asFlags, | |
| Rtti: compilerAttrs.rtti, | |
| Stl: compilerAttrs.stl, | |
| Cpp_std: compilerAttrs.cppStd, | |
| C_std: compilerAttrs.cStd, | |
| Features: *staticFeatures, | |
| } | |
| sharedTargetAttrs := &bazelCcLibrarySharedAttributes{ | |
| staticOrSharedAttributes: sharedCommonAttrs, | |
| includesAttributes: includeAttrs, | |
| Cppflags: compilerAttrs.cppFlags, | |
| Conlyflags: compilerAttrs.conlyFlags, | |
| Asflags: asFlags, | |
| Linkopts: linkerAttrs.linkopts, | |
| Rtti: compilerAttrs.rtti, | |
| Stl: compilerAttrs.stl, | |
| Cpp_std: compilerAttrs.cppStd, | |
| C_std: compilerAttrs.cStd, | |
| Use_version_lib: linkerAttrs.useVersionLib, | |
| Additional_linker_inputs: linkerAttrs.additionalLinkerInputs, | |
| Strip: stripAttrsFromLinkerAttrs(&linkerAttrs), | |
| Features: *sharedFeatures, | |
| bazelCcHeaderAbiCheckerAttributes: bp2buildParseAbiCheckerProps(ctx, m), | |
| Fdo_profile: compilerAttrs.fdoProfile, | |
| } | |
| if compilerAttrs.stubsSymbolFile != nil && len(compilerAttrs.stubsVersions.Value) > 0 { | |
| sharedTargetAttrs.Stubs_symbol_file = compilerAttrs.stubsSymbolFile | |
| } | |
| sharedTargetAttrs.Stem = compilerAttrs.stem | |
| sharedTargetAttrs.Suffix = compilerAttrs.suffix | |
| for axis, configToProps := range m.GetArchVariantProperties(ctx, &LibraryProperties{}) { | |
| for cfg, props := range configToProps { | |
| if props, ok := props.(*LibraryProperties); ok { | |
| if props.Inject_bssl_hash != nil { | |
| // This is an edge case applies only to libcrypto | |
| if m.Name() == "libcrypto" || m.Name() == "libcrypto_for_testing" { | |
| sharedTargetAttrs.Inject_bssl_hash.SetSelectValue(axis, cfg, props.Inject_bssl_hash) | |
| } else { | |
| ctx.PropertyErrorf("inject_bssl_hash", "only applies to libcrypto") | |
| } | |
| } | |
| } | |
| } | |
| } | |
| staticProps := bazel.BazelTargetModuleProperties{ | |
| Rule_class: "cc_library_static", | |
| Bzl_load_location: "//build/bazel/rules/cc:cc_library_static.bzl", | |
| } | |
| sharedProps := bazel.BazelTargetModuleProperties{ | |
| Rule_class: "cc_library_shared", | |
| Bzl_load_location: "//build/bazel/rules/cc:cc_library_shared.bzl", | |
| } | |
| var tagsForStaticVariant bazel.StringListAttribute | |
| if compilerAttrs.stubsSymbolFile == nil && len(compilerAttrs.stubsVersions.Value) == 0 { | |
| tagsForStaticVariant = android.ApexAvailableTagsWithoutTestApexes(ctx, m) | |
| } | |
| tagsForStaticVariant.Append(bazel.StringListAttribute{Value: staticAttrs.Apex_available}) | |
| tagsForSharedVariant := android.ApexAvailableTagsWithoutTestApexes(ctx, m) | |
| tagsForSharedVariant.Append(bazel.StringListAttribute{Value: sharedAttrs.Apex_available}) | |
| ctx.CreateBazelTargetModuleWithRestrictions(staticProps, | |
| android.CommonAttributes{ | |
| Name: m.Name() + "_bp2build_cc_library_static", | |
| Tags: tagsForStaticVariant, | |
| }, | |
| staticTargetAttrs, staticAttrs.Enabled) | |
| ctx.CreateBazelTargetModuleWithRestrictions(sharedProps, | |
| android.CommonAttributes{ | |
| Name: m.Name(), | |
| Tags: tagsForSharedVariant, | |
| }, | |
| sharedTargetAttrs, sharedAttrs.Enabled) | |
| createStubsBazelTargetIfNeeded(ctx, m, compilerAttrs, exportedIncludes, baseAttributes) | |
| } | |
| func createStubsBazelTargetIfNeeded(ctx android.TopDownMutatorContext, m *Module, compilerAttrs compilerAttributes, exportedIncludes BazelIncludes, baseAttributes baseAttributes) { | |
| if compilerAttrs.stubsSymbolFile != nil && len(compilerAttrs.stubsVersions.Value) > 0 { | |
| stubSuitesProps := bazel.BazelTargetModuleProperties{ | |
| Rule_class: "cc_stub_suite", | |
| Bzl_load_location: "//build/bazel/rules/cc:cc_stub_library.bzl", | |
| } | |
| soname := m.Name() + ".so" | |
| stubSuitesAttrs := &bazelCcStubSuiteAttributes{ | |
| Symbol_file: compilerAttrs.stubsSymbolFile, | |
| Versions: compilerAttrs.stubsVersions, | |
| Export_includes: exportedIncludes.Includes, | |
| Soname: &soname, | |
| Source_library_label: proptools.StringPtr(m.GetBazelLabel(ctx, m)), | |
| Deps: baseAttributes.deps, | |
| } | |
| ctx.CreateBazelTargetModule(stubSuitesProps, | |
| android.CommonAttributes{Name: m.Name() + "_stub_libs"}, | |
| stubSuitesAttrs) | |
| // Add alias for the stub shared_library in @api_surfaces repository | |
| currentModuleLibApiDir := ctx.Config().ApiSurfacesDir(android.ModuleLibApi, "current") | |
| actualLabelInMainWorkspace := bazel.Label{ | |
| Label: fmt.Sprintf("@//%s:%s%s", ctx.ModuleDir(), m.Name(), stubsSuffix), | |
| } | |
| ctx.CreateBazelTargetAliasInDir(currentModuleLibApiDir, m.Name(), actualLabelInMainWorkspace) | |
| // Add alias for headers exported by the stub library | |
| headerLabelInMainWorkspace := bazel.Label{ | |
| // This label is generated from cc_stub_suite macro | |
| Label: fmt.Sprintf("@//%s:%s_stub_libs_%s_headers", ctx.ModuleDir(), m.Name(), android.ModuleLibApi.String()), | |
| } | |
| headerAlias := m.Name() + "_headers" | |
| ctx.CreateBazelTargetAliasInDir(currentModuleLibApiDir, headerAlias, headerLabelInMainWorkspace) | |
| } | |
| } | |
| func apiContributionBp2Build(ctx android.TopDownMutatorContext, module *Module) { | |
| apiSurfaces := make([]string, 0) | |
| apiHeaders := make([]string, 0) | |
| // module-libapi for apexes (non-null `stubs` property) | |
| if module.HasStubsVariants() { | |
| apiSurfaces = append(apiSurfaces, android.ModuleLibApi.String()) | |
| apiIncludes := getModuleLibApiIncludes(ctx, module) | |
| if !apiIncludes.isEmpty() { | |
| createApiHeaderTarget(ctx, apiIncludes) | |
| apiHeaders = append(apiHeaders, apiIncludes.name) | |
| } | |
| } | |
| // vendorapi (non-null `llndk` property) | |
| if module.HasLlndkStubs() { | |
| apiSurfaces = append(apiSurfaces, android.VendorApi.String()) | |
| apiIncludes := getVendorApiIncludes(ctx, module) | |
| if !apiIncludes.isEmpty() { | |
| createApiHeaderTarget(ctx, apiIncludes) | |
| apiHeaders = append(apiHeaders, apiIncludes.name) | |
| } | |
| } | |
| // create a target only if this module contributes to an api surface | |
| // TODO: Currently this does not distinguish modulelibapi-only headers and vendrorapi-only headers | |
| // TODO: Update so that modulelibapi-only headers do not get exported to vendorapi (and vice-versa) | |
| if len(apiSurfaces) > 0 { | |
| props := bazel.BazelTargetModuleProperties{ | |
| Rule_class: "cc_api_contribution", | |
| Bzl_load_location: "//build/bazel/rules/apis:cc_api_contribution.bzl", | |
| } | |
| attrs := &bazelCcApiContributionAttributes{ | |
| Library_name: module.Name(), | |
| Api_surfaces: bazel.MakeStringListAttribute(apiSurfaces), | |
| Api: apiLabelAttribute(ctx, module), | |
| Hdrs: bazel.MakeLabelListAttribute( | |
| bazel.MakeLabelListFromTargetNames(apiHeaders), | |
| ), | |
| } | |
| ctx.CreateBazelTargetModule( | |
| props, | |
| android.CommonAttributes{ | |
| Name: android.ApiContributionTargetName(module.Name()), | |
| SkipData: proptools.BoolPtr(true), | |
| }, | |
| attrs, | |
| ) | |
| } | |
| } | |
| // Native apis are versioned in a single .map.txt for all api surfaces | |
| // Pick any one of the .map.txt files | |
| func apiLabelAttribute(ctx android.TopDownMutatorContext, module *Module) bazel.LabelAttribute { | |
| var apiFile *string | |
| linker := module.linker.(*libraryDecorator) | |
| if llndkApi := linker.Properties.Llndk.Symbol_file; llndkApi != nil { | |
| apiFile = llndkApi | |
| } else if moduleLibApi := linker.Properties.Stubs.Symbol_file; moduleLibApi != nil { | |
| apiFile = moduleLibApi | |
| } else { | |
| ctx.ModuleErrorf("API surface library does not have any API file") | |
| } | |
| apiLabel := android.BazelLabelForModuleSrcSingle(ctx, proptools.String(apiFile)).Label | |
| return *bazel.MakeLabelAttribute(apiLabel) | |
| } | |
| // wrapper struct to flatten the arch and os specific export_include_dirs | |
| // flattening is necessary since we want to export apis of all arches even when we build for x86 (e.g.) | |
| type bazelCcApiLibraryHeadersAttributes struct { | |
| bazelCcLibraryHeadersAttributes | |
| Arch *string | |
| } | |
| func (a *bazelCcApiLibraryHeadersAttributes) isEmpty() bool { | |
| return a.Export_includes.IsEmpty() && | |
| a.Export_system_includes.IsEmpty() && | |
| a.Deps.IsEmpty() | |
| } | |
| type apiIncludes struct { | |
| name string // name of the Bazel target in the generated bp2build workspace | |
| attrs bazelCcApiLibraryHeadersAttributes | |
| } | |
| func (includes *apiIncludes) isEmpty() bool { | |
| return includes.attrs.isEmpty() | |
| } | |
| func (includes *apiIncludes) addDep(name string) { | |
| l := bazel.Label{Label: ":" + name} | |
| ll := bazel.MakeLabelList([]bazel.Label{l}) | |
| lla := bazel.MakeLabelListAttribute(ll) | |
| includes.attrs.Deps.Append(lla) | |
| } | |
| // includes provided to the module-lib API surface. This API surface is used by apexes. | |
| func getModuleLibApiIncludes(ctx android.TopDownMutatorContext, c *Module) apiIncludes { | |
| flagProps := c.library.(*libraryDecorator).flagExporter.Properties | |
| linkProps := c.library.(*libraryDecorator).baseLinker.Properties | |
| includes := android.FirstUniqueStrings(flagProps.Export_include_dirs) | |
| systemIncludes := android.FirstUniqueStrings(flagProps.Export_system_include_dirs) | |
| headerLibs := android.FirstUniqueStrings(linkProps.Export_header_lib_headers) | |
| attrs := bazelCcLibraryHeadersAttributes{ | |
| Export_includes: bazel.MakeStringListAttribute(includes), | |
| Export_system_includes: bazel.MakeStringListAttribute(systemIncludes), | |
| Deps: bazel.MakeLabelListAttribute(apiHeaderLabels(ctx, headerLibs)), | |
| } | |
| return apiIncludes{ | |
| name: c.Name() + ".module-libapi.headers", | |
| attrs: bazelCcApiLibraryHeadersAttributes{ | |
| bazelCcLibraryHeadersAttributes: attrs, | |
| }, | |
| } | |
| } | |
| func getVendorApiIncludes(ctx android.TopDownMutatorContext, c *Module) apiIncludes { | |
| baseProps := c.library.(*libraryDecorator).flagExporter.Properties | |
| llndkProps := c.library.(*libraryDecorator).Properties.Llndk | |
| includes := baseProps.Export_include_dirs | |
| systemIncludes := baseProps.Export_system_include_dirs | |
| // LLNDK can override the base includes | |
| if llndkIncludes := llndkProps.Override_export_include_dirs; llndkIncludes != nil { | |
| includes = llndkIncludes | |
| } | |
| if proptools.Bool(llndkProps.Export_headers_as_system) { | |
| systemIncludes = append(systemIncludes, includes...) | |
| includes = nil | |
| } | |
| attrs := bazelCcLibraryHeadersAttributes{ | |
| Export_includes: bazel.MakeStringListAttribute(includes), | |
| Export_system_includes: bazel.MakeStringListAttribute(systemIncludes), | |
| Deps: bazel.MakeLabelListAttribute(apiHeaderLabels(ctx, llndkProps.Export_llndk_headers)), | |
| } | |
| return apiIncludes{ | |
| name: c.Name() + ".vendorapi.headers", | |
| attrs: bazelCcApiLibraryHeadersAttributes{ | |
| bazelCcLibraryHeadersAttributes: attrs, | |
| }, | |
| } | |
| } | |
| // cc_library creates both static and/or shared libraries for a device and/or | |
| // host. By default, a cc_library has a single variant that targets the device. | |
| // Specifying `host_supported: true` also creates a library that targets the | |
| // host. | |
| func LibraryFactory() android.Module { | |
| module, _ := NewLibrary(android.HostAndDeviceSupported) | |
| // Can be used as both a static and a shared library. | |
| module.sdkMemberTypes = []android.SdkMemberType{ | |
| sharedLibrarySdkMemberType, | |
| staticLibrarySdkMemberType, | |
| staticAndSharedLibrarySdkMemberType, | |
| } | |
| module.bazelable = true | |
| module.bazelHandler = &ccLibraryBazelHandler{module: module} | |
| return module.Init() | |
| } | |
| // cc_library_static creates a static library for a device and/or host binary. | |
| func LibraryStaticFactory() android.Module { | |
| module, library := NewLibrary(android.HostAndDeviceSupported) | |
| library.BuildOnlyStatic() | |
| module.sdkMemberTypes = []android.SdkMemberType{staticLibrarySdkMemberType} | |
| module.bazelable = true | |
| module.bazelHandler = &ccLibraryBazelHandler{module: module} | |
| return module.Init() | |
| } | |
| // cc_library_shared creates a shared library for a device and/or host. | |
| func LibrarySharedFactory() android.Module { | |
| module, library := NewLibrary(android.HostAndDeviceSupported) | |
| library.BuildOnlyShared() | |
| module.sdkMemberTypes = []android.SdkMemberType{sharedLibrarySdkMemberType} | |
| module.bazelable = true | |
| module.bazelHandler = &ccLibraryBazelHandler{module: module} | |
| return module.Init() | |
| } | |
| // cc_library_host_static creates a static library that is linkable to a host | |
| // binary. | |
| func LibraryHostStaticFactory() android.Module { | |
| module, library := NewLibrary(android.HostSupported) | |
| library.BuildOnlyStatic() | |
| module.sdkMemberTypes = []android.SdkMemberType{staticLibrarySdkMemberType} | |
| module.bazelable = true | |
| module.bazelHandler = &ccLibraryBazelHandler{module: module} | |
| return module.Init() | |
| } | |
| // cc_library_host_shared creates a shared library that is usable on a host. | |
| func LibraryHostSharedFactory() android.Module { | |
| module, library := NewLibrary(android.HostSupported) | |
| library.BuildOnlyShared() | |
| module.sdkMemberTypes = []android.SdkMemberType{sharedLibrarySdkMemberType} | |
| module.bazelable = true | |
| module.bazelHandler = &ccLibraryBazelHandler{module: module} | |
| return module.Init() | |
| } | |
| // flagExporter is a separated portion of libraryDecorator pertaining to exported | |
| // include paths and flags. Keeping this dependency-related information separate | |
| // from the rest of library information is helpful in keeping data more structured | |
| // and explicit. | |
| type flagExporter struct { | |
| Properties FlagExporterProperties | |
| dirs android.Paths // Include directories to be included with -I | |
| systemDirs android.Paths // System include directories to be included with -isystem | |
| flags []string // Exported raw flags. | |
| deps android.Paths | |
| headers android.Paths | |
| } | |
| // exportedIncludes returns the effective include paths for this module and | |
| // any module that links against this module. This is obtained from | |
| // the export_include_dirs property in the appropriate target stanza. | |
| func (f *flagExporter) exportedIncludes(ctx ModuleContext) android.Paths { | |
| if ctx.inVendor() && f.Properties.Target.Vendor.Override_export_include_dirs != nil { | |
| return android.PathsForModuleSrc(ctx, f.Properties.Target.Vendor.Override_export_include_dirs) | |
| } | |
| if ctx.inProduct() && f.Properties.Target.Product.Override_export_include_dirs != nil { | |
| return android.PathsForModuleSrc(ctx, f.Properties.Target.Product.Override_export_include_dirs) | |
| } | |
| return android.PathsForModuleSrc(ctx, f.Properties.Export_include_dirs) | |
| } | |
| // exportIncludes registers the include directories and system include directories to be exported | |
| // transitively to modules depending on this module. | |
| func (f *flagExporter) exportIncludes(ctx ModuleContext) { | |
| f.dirs = append(f.dirs, f.exportedIncludes(ctx)...) | |
| f.systemDirs = append(f.systemDirs, android.PathsForModuleSrc(ctx, f.Properties.Export_system_include_dirs)...) | |
| } | |
| // exportIncludesAsSystem registers the include directories and system include directories to be | |
| // exported transitively both as system include directories to modules depending on this module. | |
| func (f *flagExporter) exportIncludesAsSystem(ctx ModuleContext) { | |
| // all dirs are force exported as system | |
| f.systemDirs = append(f.systemDirs, f.exportedIncludes(ctx)...) | |
| f.systemDirs = append(f.systemDirs, android.PathsForModuleSrc(ctx, f.Properties.Export_system_include_dirs)...) | |
| } | |
| // reexportDirs registers the given directories as include directories to be exported transitively | |
| // to modules depending on this module. | |
| func (f *flagExporter) reexportDirs(dirs ...android.Path) { | |
| f.dirs = append(f.dirs, dirs...) | |
| } | |
| // reexportSystemDirs registers the given directories as system include directories | |
| // to be exported transitively to modules depending on this module. | |
| func (f *flagExporter) reexportSystemDirs(dirs ...android.Path) { | |
| f.systemDirs = append(f.systemDirs, dirs...) | |
| } | |
| // reexportFlags registers the flags to be exported transitively to modules depending on this | |
| // module. | |
| func (f *flagExporter) reexportFlags(flags ...string) { | |
| if android.PrefixInList(flags, "-I") || android.PrefixInList(flags, "-isystem") { | |
| panic(fmt.Errorf("Exporting invalid flag %q: "+ | |
| "use reexportDirs or reexportSystemDirs to export directories", flag)) | |
| } | |
| f.flags = append(f.flags, flags...) | |
| } | |
| func (f *flagExporter) reexportDeps(deps ...android.Path) { | |
| f.deps = append(f.deps, deps...) | |
| } | |
| // addExportedGeneratedHeaders does nothing but collects generated header files. | |
| // This can be differ to exportedDeps which may contain phony files to minimize ninja. | |
| func (f *flagExporter) addExportedGeneratedHeaders(headers ...android.Path) { | |
| f.headers = append(f.headers, headers...) | |
| } | |
| func (f *flagExporter) setProvider(ctx android.ModuleContext) { | |
| ctx.SetProvider(FlagExporterInfoProvider, FlagExporterInfo{ | |
| // Comes from Export_include_dirs property, and those of exported transitive deps | |
| IncludeDirs: android.FirstUniquePaths(f.dirs), | |
| // Comes from Export_system_include_dirs property, and those of exported transitive deps | |
| SystemIncludeDirs: android.FirstUniquePaths(f.systemDirs), | |
| // Used in very few places as a one-off way of adding extra defines. | |
| Flags: f.flags, | |
| // Used sparingly, for extra files that need to be explicitly exported to dependers, | |
| // or for phony files to minimize ninja. | |
| Deps: f.deps, | |
| // For exported generated headers, such as exported aidl headers, proto headers, or | |
| // sysprop headers. | |
| GeneratedHeaders: f.headers, | |
| }) | |
| } | |
| // libraryDecorator wraps baseCompiler, baseLinker and baseInstaller to provide library-specific | |
| // functionality: static vs. shared linkage, reusing object files for shared libraries | |
| type libraryDecorator struct { | |
| Properties LibraryProperties | |
| StaticProperties StaticProperties | |
| SharedProperties SharedProperties | |
| MutatedProperties LibraryMutatedProperties | |
| // For reusing static library objects for shared library | |
| reuseObjects Objects | |
| // table-of-contents file to optimize out relinking when possible | |
| tocFile android.OptionalPath | |
| flagExporter | |
| flagExporterInfo *FlagExporterInfo | |
| stripper Stripper | |
| // For whole_static_libs | |
| objects Objects | |
| wholeStaticLibsFromPrebuilts android.Paths | |
| // Uses the module's name if empty, but can be overridden. Does not include | |
| // shlib suffix. | |
| libName string | |
| sabi *sabi | |
| // Output archive of gcno coverage information files | |
| coverageOutputFile android.OptionalPath | |
| // linked Source Abi Dump | |
| sAbiOutputFile android.OptionalPath | |
| // Source Abi Diff | |
| sAbiDiff android.Paths | |
| // Location of the static library in the sysroot. Empty if the library is | |
| // not included in the NDK. | |
| ndkSysrootPath android.Path | |
| // Location of the linked, unstripped library for shared libraries | |
| unstrippedOutputFile android.Path | |
| // Location of the file that should be copied to dist dir when requested | |
| distFile android.Path | |
| versionScriptPath android.OptionalPath | |
| postInstallCmds []string | |
| // If useCoreVariant is true, the vendor variant of a VNDK library is | |
| // not installed. | |
| useCoreVariant bool | |
| checkSameCoreVariant bool | |
| skipAPIDefine bool | |
| // Decorated interfaces | |
| *baseCompiler | |
| *baseLinker | |
| *baseInstaller | |
| collectedSnapshotHeaders android.Paths | |
| apiListCoverageXmlPath android.ModuleOutPath | |
| } | |
| type ccLibraryBazelHandler struct { | |
| module *Module | |
| } | |
| var _ BazelHandler = (*ccLibraryBazelHandler)(nil) | |
| // generateStaticBazelBuildActions constructs the StaticLibraryInfo Soong | |
| // provider from a Bazel shared library's CcInfo provider. | |
| func (handler *ccLibraryBazelHandler) generateStaticBazelBuildActions(ctx android.ModuleContext, label string, ccInfo cquery.CcInfo) { | |
| rootStaticArchives := ccInfo.RootStaticArchives | |
| if len(rootStaticArchives) != 1 { | |
| ctx.ModuleErrorf("expected exactly one root archive file for '%s', but got %s", label, rootStaticArchives) | |
| return | |
| } | |
| var outputFilePath android.Path = android.PathForBazelOut(ctx, rootStaticArchives[0]) | |
| if len(ccInfo.TidyFiles) > 0 { | |
| handler.module.tidyFiles = android.PathsForBazelOut(ctx, ccInfo.TidyFiles) | |
| outputFilePath = android.AttachValidationActions(ctx, outputFilePath, handler.module.tidyFiles) | |
| } | |
| handler.module.outputFile = android.OptionalPathForPath(outputFilePath) | |
| objPaths := ccInfo.CcObjectFiles | |
| objFiles := make(android.Paths, len(objPaths)) | |
| for i, objPath := range objPaths { | |
| objFiles[i] = android.PathForBazelOut(ctx, objPath) | |
| } | |
| objects := Objects{ | |
| objFiles: objFiles, | |
| } | |
| ctx.SetProvider(StaticLibraryInfoProvider, StaticLibraryInfo{ | |
| StaticLibrary: outputFilePath, | |
| ReuseObjects: objects, | |
| Objects: objects, | |
| // TODO(b/190524881): Include transitive static libraries in this provider to support | |
| // static libraries with deps. | |
| TransitiveStaticLibrariesForOrdering: android.NewDepSetBuilder[android.Path](android.TOPOLOGICAL). | |
| Direct(outputFilePath). | |
| Build(), | |
| }) | |
| return | |
| } | |
| // generateSharedBazelBuildActions constructs the SharedLibraryInfo Soong | |
| // provider from a Bazel shared library's CcInfo provider. | |
| func (handler *ccLibraryBazelHandler) generateSharedBazelBuildActions(ctx android.ModuleContext, label string, ccInfo cquery.CcInfo) { | |
| rootDynamicLibraries := ccInfo.RootDynamicLibraries | |
| if len(rootDynamicLibraries) != 1 { | |
| ctx.ModuleErrorf("expected exactly one root dynamic library file for '%s', but got %s", label, rootDynamicLibraries) | |
| return | |
| } | |
| var outputFilePath android.Path = android.PathForBazelOut(ctx, rootDynamicLibraries[0]) | |
| if len(ccInfo.TidyFiles) > 0 { | |
| handler.module.tidyFiles = android.PathsForBazelOut(ctx, ccInfo.TidyFiles) | |
| outputFilePath = android.AttachValidationActions(ctx, outputFilePath, handler.module.tidyFiles) | |
| } | |
| handler.module.outputFile = android.OptionalPathForPath(outputFilePath) | |
| handler.module.linker.(*libraryDecorator).unstrippedOutputFile = android.PathForBazelOut(ctx, ccInfo.UnstrippedOutput) | |
| var tocFile android.OptionalPath | |
| if len(ccInfo.TocFile) > 0 { | |
| tocFile = android.OptionalPathForPath(android.PathForBazelOut(ctx, ccInfo.TocFile)) | |
| } | |
| handler.module.linker.(*libraryDecorator).tocFile = tocFile | |
| if len(ccInfo.AbiDiffFiles) > 0 { | |
| handler.module.linker.(*libraryDecorator).sAbiDiff = android.PathsForBazelOut(ctx, ccInfo.AbiDiffFiles) | |
| } | |
| ctx.SetProvider(SharedLibraryInfoProvider, SharedLibraryInfo{ | |
| TableOfContents: tocFile, | |
| SharedLibrary: outputFilePath, | |
| Target: ctx.Target(), | |
| // TODO(b/190524881): Include transitive static libraries in this provider to support | |
| // static libraries with deps. The provider key for this is TransitiveStaticLibrariesForOrdering. | |
| }) | |
| } | |
| func (handler *ccLibraryBazelHandler) QueueBazelCall(ctx android.BaseModuleContext, label string) { | |
| bazelCtx := ctx.Config().BazelContext | |
| bazelCtx.QueueBazelRequest(label, cquery.GetCcInfo, android.GetConfigKeyApexVariant(ctx, GetApexConfigKey(ctx))) | |
| if v := handler.module.library.stubsVersion(); v != "" { | |
| stubsLabel := label + "_stub_libs-" + v | |
| bazelCtx.QueueBazelRequest(stubsLabel, cquery.GetCcInfo, android.GetConfigKeyApexVariant(ctx, GetApexConfigKey(ctx))) | |
| } | |
| } | |
| func (handler *ccLibraryBazelHandler) ProcessBazelQueryResponse(ctx android.ModuleContext, label string) { | |
| if v := handler.module.library.stubsVersion(); v != "" { | |
| // if we are a stubs variant, just use the Bazel stubs target | |
| label = label + "_stub_libs-" + v | |
| } | |
| bazelCtx := ctx.Config().BazelContext | |
| ccInfo, err := bazelCtx.GetCcInfo(label, android.GetConfigKeyApexVariant(ctx, GetApexConfigKey(ctx))) | |
| if err != nil { | |
| ctx.ModuleErrorf("Error getting Bazel CcInfo: %s", err) | |
| return | |
| } | |
| if handler.module.static() { | |
| handler.generateStaticBazelBuildActions(ctx, label, ccInfo) | |
| } else if handler.module.Shared() { | |
| handler.generateSharedBazelBuildActions(ctx, label, ccInfo) | |
| } else { | |
| ctx.ModuleErrorf("Unhandled bazel case for %s (neither shared nor static!)", ctx.ModuleName()) | |
| } | |
| handler.module.linker.(*libraryDecorator).setFlagExporterInfoFromCcInfo(ctx, ccInfo) | |
| handler.module.maybeUnhideFromMake() | |
| if i, ok := handler.module.linker.(snapshotLibraryInterface); ok { | |
| // Dependencies on this library will expect collectedSnapshotHeaders to | |
| // be set, otherwise validation will fail. For now, set this to an empty | |
| // list. | |
| // TODO(b/190533363): More closely mirror the collectHeadersForSnapshot | |
| // implementation. | |
| i.(*libraryDecorator).collectedSnapshotHeaders = android.Paths{} | |
| } | |
| handler.module.setAndroidMkVariablesFromCquery(ccInfo.CcAndroidMkInfo) | |
| cctx := moduleContextFromAndroidModuleContext(ctx, handler.module) | |
| addStubDependencyProviders(cctx) | |
| } | |
| func (library *libraryDecorator) setFlagExporterInfoFromCcInfo(ctx android.ModuleContext, ccInfo cquery.CcInfo) { | |
| flagExporterInfo := flagExporterInfoFromCcInfo(ctx, ccInfo) | |
| // flag exporters consolidates properties like includes, flags, dependencies that should be | |
| // exported from this module to other modules | |
| ctx.SetProvider(FlagExporterInfoProvider, flagExporterInfo) | |
| // Store flag info to be passed along to androidmk | |
| // TODO(b/184387147): Androidmk should be done in Bazel, not Soong. | |
| library.flagExporterInfo = &flagExporterInfo | |
| } | |
| func GlobHeadersForSnapshot(ctx android.ModuleContext, paths android.Paths) android.Paths { | |
| ret := android.Paths{} | |
| // Headers in the source tree should be globbed. On the contrast, generated headers | |
| // can't be globbed, and they should be manually collected. | |
| // So, we first filter out intermediate directories (which contains generated headers) | |
| // from exported directories, and then glob headers under remaining directories. | |
| for _, path := range paths { | |
| dir := path.String() | |
| // Skip if dir is for generated headers | |
| if strings.HasPrefix(dir, ctx.Config().OutDir()) { | |
| continue | |
| } | |
| // Filter out the generated headers from bazel. | |
| if strings.HasPrefix(dir, android.PathForBazelOut(ctx, "bazel-out").String()) { | |
| continue | |
| } | |
| // libeigen wrongly exports the root directory "external/eigen". But only two | |
| // subdirectories "Eigen" and "unsupported" contain exported header files. Even worse | |
| // some of them have no extension. So we need special treatment for libeigen in order | |
| // to glob correctly. | |
| if dir == "external/eigen" { | |
| // Only these two directories contains exported headers. | |
| for _, subdir := range []string{"Eigen", "unsupported/Eigen"} { | |
| globDir := "external/eigen/" + subdir + "/**/*" | |
| glob, err := ctx.GlobWithDeps(globDir, nil) | |
| if err != nil { | |
| ctx.ModuleErrorf("glob of %q failed: %s", globDir, err) | |
| return nil | |
| } | |
| for _, header := range glob { | |
| if strings.HasSuffix(header, "/") { | |
| continue | |
| } | |
| ext := filepath.Ext(header) | |
| if ext != "" && ext != ".h" { | |
| continue | |
| } | |
| ret = append(ret, android.PathForSource(ctx, header)) | |
| } | |
| } | |
| continue | |
| } | |
| globDir := dir + "/**/*" | |
| glob, err := ctx.GlobWithDeps(globDir, nil) | |
| if err != nil { | |
| ctx.ModuleErrorf("glob of %q failed: %s", globDir, err) | |
| return nil | |
| } | |
| isLibcxx := strings.HasPrefix(dir, "external/libcxx/include") | |
| for _, header := range glob { | |
| if isLibcxx { | |
| // Glob all files under this special directory, because of C++ headers with no | |
| // extension. | |
| if strings.HasSuffix(header, "/") { | |
| continue | |
| } | |
| } else { | |
| // Filter out only the files with extensions that are headers. | |
| found := false | |
| for _, ext := range HeaderExts { | |
| if strings.HasSuffix(header, ext) { | |
| found = true | |
| break | |
| } | |
| } | |
| if !found { | |
| continue | |
| } | |
| } | |
| ret = append(ret, android.PathForSource(ctx, header)) | |
| } | |
| } | |
| return ret | |
| } | |
| func GlobGeneratedHeadersForSnapshot(_ android.ModuleContext, paths android.Paths) android.Paths { | |
| ret := android.Paths{} | |
| for _, header := range paths { | |
| // TODO(b/148123511): remove exportedDeps after cleaning up genrule | |
| if strings.HasSuffix(header.Base(), "-phony") { | |
| continue | |
| } | |
| ret = append(ret, header) | |
| } | |
| return ret | |
| } | |
| // collectHeadersForSnapshot collects all exported headers from library. | |
| // It globs header files in the source tree for exported include directories, | |
| // and tracks generated header files separately. | |
| // | |
| // This is to be called from GenerateAndroidBuildActions, and then collected | |
| // header files can be retrieved by snapshotHeaders(). | |
| func (l *libraryDecorator) collectHeadersForSnapshot(ctx android.ModuleContext) { | |
| ret := android.Paths{} | |
| // Headers in the source tree should be globbed. On the contrast, generated headers | |
| // can't be globbed, and they should be manually collected. | |
| // So, we first filter out intermediate directories (which contains generated headers) | |
| // from exported directories, and then glob headers under remaining directories. | |
| ret = append(ret, GlobHeadersForSnapshot(ctx, append(android.CopyOfPaths(l.flagExporter.dirs), l.flagExporter.systemDirs...))...) | |
| // Collect generated headers | |
| ret = append(ret, GlobGeneratedHeadersForSnapshot(ctx, append(android.CopyOfPaths(l.flagExporter.headers), l.flagExporter.deps...))...) | |
| l.collectedSnapshotHeaders = ret | |
| } | |
| // This returns all exported header files, both generated ones and headers from source tree. | |
| // collectHeadersForSnapshot() must be called before calling this. | |
| func (l *libraryDecorator) snapshotHeaders() android.Paths { | |
| if l.collectedSnapshotHeaders == nil { | |
| panic("snapshotHeaders() must be called after collectHeadersForSnapshot()") | |
| } | |
| return l.collectedSnapshotHeaders | |
| } | |
| // linkerProps returns the list of properties structs relevant for this library. (For example, if | |
| // the library is cc_shared_library, then static-library properties are omitted.) | |
| func (library *libraryDecorator) linkerProps() []interface{} { | |
| var props []interface{} | |
| props = append(props, library.baseLinker.linkerProps()...) | |
| props = append(props, | |
| &library.Properties, | |
| &library.MutatedProperties, | |
| &library.flagExporter.Properties, | |
| &library.stripper.StripProperties) | |
| if library.MutatedProperties.BuildShared { | |
| props = append(props, &library.SharedProperties) | |
| } | |
| if library.MutatedProperties.BuildStatic { | |
| props = append(props, &library.StaticProperties) | |
| } | |
| return props | |
| } | |
| // linkerFlags takes a Flags struct and augments it to contain linker flags that are defined by this | |
| // library, or that are implied by attributes of this library (such as whether this library is a | |
| // shared library). | |
| func (library *libraryDecorator) linkerFlags(ctx ModuleContext, flags Flags) Flags { | |
| flags = library.baseLinker.linkerFlags(ctx, flags) | |
| // MinGW spits out warnings about -fPIC even for -fpie?!) being ignored because | |
| // all code is position independent, and then those warnings get promoted to | |
| // errors. | |
| if !ctx.Windows() { | |
| flags.Global.CFlags = append(flags.Global.CFlags, "-fPIC") | |
| } | |
| if library.static() { | |
| flags.Local.CFlags = append(flags.Local.CFlags, library.StaticProperties.Static.Cflags...) | |
| } else if library.shared() { | |
| flags.Local.CFlags = append(flags.Local.CFlags, library.SharedProperties.Shared.Cflags...) | |
| } | |
| if library.shared() { | |
| libName := library.getLibName(ctx) | |
| var f []string | |
| if ctx.toolchain().Bionic() { | |
| f = append(f, | |
| "-nostdlib", | |
| "-Wl,--gc-sections", | |
| ) | |
| } | |
| if ctx.Darwin() { | |
| f = append(f, | |
| "-dynamiclib", | |
| "-install_name @rpath/"+libName+flags.Toolchain.ShlibSuffix(), | |
| ) | |
| if ctx.Arch().ArchType == android.X86 { | |
| f = append(f, | |
| "-read_only_relocs suppress", | |
| ) | |
| } | |
| } else { | |
| f = append(f, "-shared") | |
| if !ctx.Windows() { | |
| f = append(f, "-Wl,-soname,"+libName+flags.Toolchain.ShlibSuffix()) | |
| } | |
| } | |
| flags.Global.LdFlags = append(flags.Global.LdFlags, f...) | |
| } | |
| return flags | |
| } | |
| // compilerFlags takes a Flags and augments it to contain compile flags from global values, | |
| // per-target values, module type values, per-module Blueprints properties, extra flags from | |
| // `flags`, and generated sources from `deps`. | |
| func (library *libraryDecorator) compilerFlags(ctx ModuleContext, flags Flags, deps PathDeps) Flags { | |
| exportIncludeDirs := library.flagExporter.exportedIncludes(ctx) | |
| if len(exportIncludeDirs) > 0 { | |
| f := includeDirsToFlags(exportIncludeDirs) | |
| flags.Local.CommonFlags = append(flags.Local.CommonFlags, f) | |
| flags.Local.YasmFlags = append(flags.Local.YasmFlags, f) | |
| } | |
| flags = library.baseCompiler.compilerFlags(ctx, flags, deps) | |
| if ctx.IsLlndk() { | |
| // LLNDK libraries ignore most of the properties on the cc_library and use the | |
| // LLNDK-specific properties instead. | |
| // Wipe all the module-local properties, leaving only the global properties. | |
| flags.Local = LocalOrGlobalFlags{} | |
| } | |
| if library.buildStubs() { | |
| // Remove -include <file> when compiling stubs. Otherwise, the force included | |
| // headers might cause conflicting types error with the symbols in the | |
| // generated stubs source code. e.g. | |
| // double acos(double); // in header | |
| // void acos() {} // in the generated source code | |
| removeInclude := func(flags []string) []string { | |
| ret := flags[:0] | |
| for _, f := range flags { | |
| if strings.HasPrefix(f, "-include ") { | |
| continue | |
| } | |
| ret = append(ret, f) | |
| } | |
| return ret | |
| } | |
| flags.Local.CommonFlags = removeInclude(flags.Local.CommonFlags) | |
| flags.Local.CFlags = removeInclude(flags.Local.CFlags) | |
| flags = addStubLibraryCompilerFlags(flags) | |
| } | |
| return flags | |
| } | |
| func (library *libraryDecorator) getHeaderAbiCheckerProperties(ctx android.BaseModuleContext) headerAbiCheckerProperties { | |
| m := ctx.Module().(*Module) | |
| variantProps := &library.Properties.Target.Platform.Header_abi_checker | |
| if m.InVendor() { | |
| variantProps = &library.Properties.Target.Vendor.Header_abi_checker | |
| } else if m.InProduct() { | |
| variantProps = &library.Properties.Target.Product.Header_abi_checker | |
| } | |
| props := library.Properties.Header_abi_checker | |
| err := proptools.AppendProperties(&props, variantProps, nil) | |
| if err != nil { | |
| ctx.ModuleErrorf("Cannot merge headerAbiCheckerProperties: %s", err.Error()) | |
| } | |
| return props | |
| } | |
| func (library *libraryDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) Objects { | |
| if ctx.IsLlndk() { | |
| // This is the vendor variant of an LLNDK library, build the LLNDK stubs. | |
| vndkVer := ctx.Module().(*Module).VndkVersion() | |
| if !inList(vndkVer, ctx.Config().PlatformVersionActiveCodenames()) || vndkVer == "" { | |
| // For non-enforcing devices, vndkVer is empty. Use "current" in that case, too. | |
| vndkVer = "current" | |
| } | |
| if library.stubsVersion() != "" { | |
| vndkVer = library.stubsVersion() | |
| } | |
| nativeAbiResult := parseNativeAbiDefinition(ctx, | |
| String(library.Properties.Llndk.Symbol_file), | |
| android.ApiLevelOrPanic(ctx, vndkVer), "--llndk") | |
| objs := compileStubLibrary(ctx, flags, nativeAbiResult.stubSrc) | |
| if !Bool(library.Properties.Llndk.Unversioned) { | |
| library.versionScriptPath = android.OptionalPathForPath( | |
| nativeAbiResult.versionScript) | |
| } | |
| return objs | |
| } | |
| if ctx.IsVendorPublicLibrary() { | |
| nativeAbiResult := parseNativeAbiDefinition(ctx, | |
| String(library.Properties.Vendor_public_library.Symbol_file), | |
| android.FutureApiLevel, "") | |
| objs := compileStubLibrary(ctx, flags, nativeAbiResult.stubSrc) | |
| if !Bool(library.Properties.Vendor_public_library.Unversioned) { | |
| library.versionScriptPath = android.OptionalPathForPath(nativeAbiResult.versionScript) | |
| } | |
| return objs | |
| } | |
| if library.buildStubs() { | |
| symbolFile := String(library.Properties.Stubs.Symbol_file) | |
| if symbolFile != "" && !strings.HasSuffix(symbolFile, ".map.txt") { | |
| ctx.PropertyErrorf("symbol_file", "%q doesn't have .map.txt suffix", symbolFile) | |
| return Objects{} | |
| } | |
| // b/239274367 --apex and --systemapi filters symbols tagged with # apex and # | |
| // systemapi, respectively. The former is for symbols defined in platform libraries | |
| // and the latter is for symbols defined in APEXes. | |
| // A single library can contain either # apex or # systemapi, but not both. | |
| // The stub generator (ndkstubgen) is additive, so passing _both_ of these to it should be a no-op. | |
| // However, having this distinction helps guard accidental | |
| // promotion or demotion of API and also helps the API review process b/191371676 | |
| var flag string | |
| if ctx.Module().(android.ApexModule).NotInPlatform() { | |
| flag = "--apex" | |
| } else { | |
| flag = "--systemapi" | |
| } | |
| // b/184712170, unless the lib is an NDK library, exclude all public symbols from | |
| // the stub so that it is mandated that all symbols are explicitly marked with | |
| // either apex or systemapi. | |
| if !ctx.Module().(*Module).IsNdk(ctx.Config()) { | |
| flag = flag + " --no-ndk" | |
| } | |
| nativeAbiResult := parseNativeAbiDefinition(ctx, symbolFile, | |
| android.ApiLevelOrPanic(ctx, library.MutatedProperties.StubsVersion), flag) | |
| objs := compileStubLibrary(ctx, flags, nativeAbiResult.stubSrc) | |
| library.versionScriptPath = android.OptionalPathForPath( | |
| nativeAbiResult.versionScript) | |
| // Parse symbol file to get API list for coverage | |
| if library.stubsVersion() == "current" && ctx.PrimaryArch() && !ctx.inRecovery() && !ctx.inProduct() && !ctx.inVendor() { | |
| library.apiListCoverageXmlPath = parseSymbolFileForAPICoverage(ctx, symbolFile) | |
| } | |
| return objs | |
| } | |
| if !library.buildShared() && !library.buildStatic() { | |
| if len(library.baseCompiler.Properties.Srcs) > 0 { | |
| ctx.PropertyErrorf("srcs", "cc_library_headers must not have any srcs") | |
| } | |
| if len(library.StaticProperties.Static.Srcs) > 0 { | |
| ctx.PropertyErrorf("static.srcs", "cc_library_headers must not have any srcs") | |
| } | |
| if len(library.SharedProperties.Shared.Srcs) > 0 { | |
| ctx.PropertyErrorf("shared.srcs", "cc_library_headers must not have any srcs") | |
| } | |
| return Objects{} | |
| } | |
| if library.sabi.shouldCreateSourceAbiDump() { | |
| exportIncludeDirs := library.flagExporter.exportedIncludes(ctx) | |
| var SourceAbiFlags []string | |
| for _, dir := range exportIncludeDirs.Strings() { | |
| SourceAbiFlags = append(SourceAbiFlags, "-I"+dir) | |
| } | |
| for _, reexportedInclude := range library.sabi.Properties.ReexportedIncludes { | |
| SourceAbiFlags = append(SourceAbiFlags, "-I"+reexportedInclude) | |
| } | |
| flags.SAbiFlags = SourceAbiFlags | |
| totalLength := len(library.baseCompiler.Properties.Srcs) + len(deps.GeneratedSources) + | |
| len(library.SharedProperties.Shared.Srcs) + len(library.StaticProperties.Static.Srcs) | |
| if totalLength > 0 { | |
| flags.SAbiDump = true | |
| } | |
| } | |
| objs := library.baseCompiler.compile(ctx, flags, deps) | |
| library.reuseObjects = objs | |
| buildFlags := flagsToBuilderFlags(flags) | |
| if library.static() { | |
| srcs := android.PathsForModuleSrc(ctx, library.StaticProperties.Static.Srcs) | |
| objs = objs.Append(compileObjs(ctx, buildFlags, android.DeviceStaticLibrary, srcs, | |
| android.PathsForModuleSrc(ctx, library.StaticProperties.Static.Tidy_disabled_srcs), | |
| android.PathsForModuleSrc(ctx, library.StaticProperties.Static.Tidy_timeout_srcs), | |
| library.baseCompiler.pathDeps, library.baseCompiler.cFlagsDeps)) | |
| } else if library.shared() { | |
| srcs := android.PathsForModuleSrc(ctx, library.SharedProperties.Shared.Srcs) | |
| objs = objs.Append(compileObjs(ctx, buildFlags, android.DeviceSharedLibrary, srcs, | |
| android.PathsForModuleSrc(ctx, library.SharedProperties.Shared.Tidy_disabled_srcs), | |
| android.PathsForModuleSrc(ctx, library.SharedProperties.Shared.Tidy_timeout_srcs), | |
| library.baseCompiler.pathDeps, library.baseCompiler.cFlagsDeps)) | |
| } | |
| return objs | |
| } | |
| type libraryInterface interface { | |
| versionedInterface | |
| static() bool | |
| shared() bool | |
| objs() Objects | |
| reuseObjs() Objects | |
| toc() android.OptionalPath | |
| // Returns true if the build options for the module have selected a static or shared build | |
| buildStatic() bool | |
| buildShared() bool | |
| // Sets whether a specific variant is static or shared | |
| setStatic() | |
| setShared() | |
| // Gets the ABI properties for vendor, product, or platform variant | |
| getHeaderAbiCheckerProperties(ctx android.BaseModuleContext) headerAbiCheckerProperties | |
| // Write LOCAL_ADDITIONAL_DEPENDENCIES for ABI diff | |
| androidMkWriteAdditionalDependenciesForSourceAbiDiff(w io.Writer) | |
| availableFor(string) bool | |
| getAPIListCoverageXMLPath() android.ModuleOutPath | |
| installable() *bool | |
| } | |
| type versionedInterface interface { | |
| buildStubs() bool | |
| setBuildStubs(isLatest bool) | |
| hasStubsVariants() bool | |
| isStubsImplementationRequired() bool | |
| setStubsVersion(string) | |
| stubsVersion() string | |
| stubsVersions(ctx android.BaseMutatorContext) []string | |
| setAllStubsVersions([]string) | |
| allStubsVersions() []string | |
| implementationModuleName(name string) string | |
| hasLLNDKStubs() bool | |
| hasLLNDKHeaders() bool | |
| hasVendorPublicLibrary() bool | |
| } | |
| var _ libraryInterface = (*libraryDecorator)(nil) | |
| var _ versionedInterface = (*libraryDecorator)(nil) | |
| func (library *libraryDecorator) getLibNameHelper(baseModuleName string, inVendor bool, inProduct bool) string { | |
| name := library.libName | |
| if name == "" { | |
| name = String(library.Properties.Stem) | |
| if name == "" { | |
| name = baseModuleName | |
| } | |
| } | |
| suffix := "" | |
| if inVendor { | |
| suffix = String(library.Properties.Target.Vendor.Suffix) | |
| } else if inProduct { | |
| suffix = String(library.Properties.Target.Product.Suffix) | |
| } | |
| if suffix == "" { | |
| suffix = String(library.Properties.Suffix) | |
| } | |
| return name + suffix | |
| } | |
| // getLibName returns the actual canonical name of the library (the name which | |
| // should be passed to the linker via linker flags). | |
| func (library *libraryDecorator) getLibName(ctx BaseModuleContext) string { | |
| name := library.getLibNameHelper(ctx.baseModuleName(), ctx.inVendor(), ctx.inProduct()) | |
| if ctx.IsVndkExt() { | |
| // vndk-ext lib should have the same name with original lib | |
| ctx.VisitDirectDepsWithTag(vndkExtDepTag, func(module android.Module) { | |
| originalName := module.(*Module).outputFile.Path() | |
| name = strings.TrimSuffix(originalName.Base(), originalName.Ext()) | |
| }) | |
| } | |
| if ctx.Host() && Bool(library.Properties.Unique_host_soname) { | |
| if !strings.HasSuffix(name, "-host") { | |
| name = name + "-host" | |
| } | |
| } | |
| return name | |
| } | |
| var versioningMacroNamesListMutex sync.Mutex | |
| func (library *libraryDecorator) linkerInit(ctx BaseModuleContext) { | |
| location := InstallInSystem | |
| if library.baseLinker.sanitize.inSanitizerDir() { | |
| location = InstallInSanitizerDir | |
| } | |
| library.baseInstaller.location = location | |
| library.baseLinker.linkerInit(ctx) | |
| // Let baseLinker know whether this variant is for stubs or not, so that | |
| // it can omit things that are not required for linking stubs. | |
| library.baseLinker.dynamicProperties.BuildStubs = library.buildStubs() | |
| if library.buildStubs() { | |
| macroNames := versioningMacroNamesList(ctx.Config()) | |
| myName := versioningMacroName(ctx.ModuleName()) | |
| versioningMacroNamesListMutex.Lock() | |
| defer versioningMacroNamesListMutex.Unlock() | |
| if (*macroNames)[myName] == "" { | |
| (*macroNames)[myName] = ctx.ModuleName() | |
| } else if (*macroNames)[myName] != ctx.ModuleName() { | |
| ctx.ModuleErrorf("Macro name %q for versioning conflicts with macro name from module %q ", myName, (*macroNames)[myName]) | |
| } | |
| } | |
| } | |
| func (library *libraryDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps { | |
| if ctx.IsLlndk() { | |
| // LLNDK libraries ignore most of the properties on the cc_library and use the | |
| // LLNDK-specific properties instead. | |
| return deps | |
| } | |
| deps = library.baseCompiler.compilerDeps(ctx, deps) | |
| return deps | |
| } | |
| func (library *libraryDecorator) linkerDeps(ctx DepsContext, deps Deps) Deps { | |
| if ctx.IsLlndk() { | |
| // LLNDK libraries ignore most of the properties on the cc_library and use the | |
| // LLNDK-specific properties instead. | |
| deps.HeaderLibs = append([]string(nil), library.Properties.Llndk.Export_llndk_headers...) | |
| deps.ReexportHeaderLibHeaders = append([]string(nil), library.Properties.Llndk.Export_llndk_headers...) | |
| return deps | |
| } | |
| if ctx.IsVendorPublicLibrary() { | |
| headers := library.Properties.Vendor_public_library.Export_public_headers | |
| deps.HeaderLibs = append([]string(nil), headers...) | |
| deps.ReexportHeaderLibHeaders = append([]string(nil), headers...) | |
| return deps | |
| } | |
| if library.static() { | |
| // Compare with nil because an empty list needs to be propagated. | |
| if library.StaticProperties.Static.System_shared_libs != nil { | |
| library.baseLinker.Properties.System_shared_libs = library.StaticProperties.Static.System_shared_libs | |
| } | |
| } else if library.shared() { | |
| // Compare with nil because an empty list needs to be propagated. | |
| if library.SharedProperties.Shared.System_shared_libs != nil { | |
| library.baseLinker.Properties.System_shared_libs = library.SharedProperties.Shared.System_shared_libs | |
| } | |
| } | |
| deps = library.baseLinker.linkerDeps(ctx, deps) | |
| if library.static() { | |
| deps.WholeStaticLibs = append(deps.WholeStaticLibs, | |
| library.StaticProperties.Static.Whole_static_libs...) | |
| deps.StaticLibs = append(deps.StaticLibs, library.StaticProperties.Static.Static_libs...) | |
| deps.SharedLibs = append(deps.SharedLibs, library.StaticProperties.Static.Shared_libs...) | |
| deps.ReexportSharedLibHeaders = append(deps.ReexportSharedLibHeaders, library.StaticProperties.Static.Export_shared_lib_headers...) | |
| deps.ReexportStaticLibHeaders = append(deps.ReexportStaticLibHeaders, library.StaticProperties.Static.Export_static_lib_headers...) | |
| } else if library.shared() { | |
| if library.baseLinker.Properties.crt() { | |
| deps.CrtBegin = append(deps.CrtBegin, ctx.toolchain().CrtBeginSharedLibrary()...) | |
| deps.CrtEnd = append(deps.CrtEnd, ctx.toolchain().CrtEndSharedLibrary()...) | |
| } | |
| deps.WholeStaticLibs = append(deps.WholeStaticLibs, library.SharedProperties.Shared.Whole_static_libs...) | |
| deps.StaticLibs = append(deps.StaticLibs, library.SharedProperties.Shared.Static_libs...) | |
| deps.SharedLibs = append(deps.SharedLibs, library.SharedProperties.Shared.Shared_libs...) | |
| deps.ReexportSharedLibHeaders = append(deps.ReexportSharedLibHeaders, library.SharedProperties.Shared.Export_shared_lib_headers...) | |
| deps.ReexportStaticLibHeaders = append(deps.ReexportStaticLibHeaders, library.SharedProperties.Shared.Export_static_lib_headers...) | |
| } | |
| if ctx.inVendor() { | |
| deps.WholeStaticLibs = removeListFromList(deps.WholeStaticLibs, library.baseLinker.Properties.Target.Vendor.Exclude_static_libs) | |
| deps.SharedLibs = removeListFromList(deps.SharedLibs, library.baseLinker.Properties.Target.Vendor.Exclude_shared_libs) | |
| deps.StaticLibs = removeListFromList(deps.StaticLibs, library.baseLinker.Properties.Target.Vendor.Exclude_static_libs) | |
| deps.ReexportSharedLibHeaders = removeListFromList(deps.ReexportSharedLibHeaders, library.baseLinker.Properties.Target.Vendor.Exclude_shared_libs) | |
| deps.ReexportStaticLibHeaders = removeListFromList(deps.ReexportStaticLibHeaders, library.baseLinker.Properties.Target.Vendor.Exclude_static_libs) | |
| } | |
| if ctx.inProduct() { | |
| deps.WholeStaticLibs = removeListFromList(deps.WholeStaticLibs, library.baseLinker.Properties.Target.Product.Exclude_static_libs) | |
| deps.SharedLibs = removeListFromList(deps.SharedLibs, library.baseLinker.Properties.Target.Product.Exclude_shared_libs) | |
| deps.StaticLibs = removeListFromList(deps.StaticLibs, library.baseLinker.Properties.Target.Product.Exclude_static_libs) | |
| deps.ReexportSharedLibHeaders = removeListFromList(deps.ReexportSharedLibHeaders, library.baseLinker.Properties.Target.Product.Exclude_shared_libs) | |
| deps.ReexportStaticLibHeaders = removeListFromList(deps.ReexportStaticLibHeaders, library.baseLinker.Properties.Target.Product.Exclude_static_libs) | |
| } | |
| if ctx.inRecovery() { | |
| deps.WholeStaticLibs = removeListFromList(deps.WholeStaticLibs, library.baseLinker.Properties.Target.Recovery.Exclude_static_libs) | |
| deps.SharedLibs = removeListFromList(deps.SharedLibs, library.baseLinker.Properties.Target.Recovery.Exclude_shared_libs) | |
| deps.StaticLibs = removeListFromList(deps.StaticLibs, library.baseLinker.Properties.Target.Recovery.Exclude_static_libs) | |
| deps.ReexportSharedLibHeaders = removeListFromList(deps.ReexportSharedLibHeaders, library.baseLinker.Properties.Target.Recovery.Exclude_shared_libs) | |
| deps.ReexportStaticLibHeaders = removeListFromList(deps.ReexportStaticLibHeaders, library.baseLinker.Properties.Target.Recovery.Exclude_static_libs) | |
| } | |
| if ctx.inRamdisk() { | |
| deps.WholeStaticLibs = removeListFromList(deps.WholeStaticLibs, library.baseLinker.Properties.Target.Ramdisk.Exclude_static_libs) | |
| deps.SharedLibs = removeListFromList(deps.SharedLibs, library.baseLinker.Properties.Target.Ramdisk.Exclude_shared_libs) | |
| deps.StaticLibs = removeListFromList(deps.StaticLibs, library.baseLinker.Properties.Target.Ramdisk.Exclude_static_libs) | |
| deps.ReexportSharedLibHeaders = removeListFromList(deps.ReexportSharedLibHeaders, library.baseLinker.Properties.Target.Ramdisk.Exclude_shared_libs) | |
| deps.ReexportStaticLibHeaders = removeListFromList(deps.ReexportStaticLibHeaders, library.baseLinker.Properties.Target.Ramdisk.Exclude_static_libs) | |
| } | |
| if ctx.inVendorRamdisk() { | |
| deps.WholeStaticLibs = removeListFromList(deps.WholeStaticLibs, library.baseLinker.Properties.Target.Vendor_ramdisk.Exclude_static_libs) | |
| deps.SharedLibs = removeListFromList(deps.SharedLibs, library.baseLinker.Properties.Target.Vendor_ramdisk.Exclude_shared_libs) | |
| deps.StaticLibs = removeListFromList(deps.StaticLibs, library.baseLinker.Properties.Target.Vendor_ramdisk.Exclude_static_libs) | |
| deps.ReexportSharedLibHeaders = removeListFromList(deps.ReexportSharedLibHeaders, library.baseLinker.Properties.Target.Vendor_ramdisk.Exclude_shared_libs) | |
| deps.ReexportStaticLibHeaders = removeListFromList(deps.ReexportStaticLibHeaders, library.baseLinker.Properties.Target.Vendor_ramdisk.Exclude_static_libs) | |
| } | |
| return deps | |
| } | |
| func (library *libraryDecorator) linkerSpecifiedDeps(specifiedDeps specifiedDeps) specifiedDeps { | |
| specifiedDeps = library.baseLinker.linkerSpecifiedDeps(specifiedDeps) | |
| var properties StaticOrSharedProperties | |
| if library.static() { | |
| properties = library.StaticProperties.Static | |
| } else if library.shared() { | |
| properties = library.SharedProperties.Shared | |
| } | |
| specifiedDeps.sharedLibs = append(specifiedDeps.sharedLibs, properties.Shared_libs...) | |
| // Must distinguish nil and [] in system_shared_libs - ensure that [] in | |
| // either input list doesn't come out as nil. | |
| if specifiedDeps.systemSharedLibs == nil { | |
| specifiedDeps.systemSharedLibs = properties.System_shared_libs | |
| } else { | |
| specifiedDeps.systemSharedLibs = append(specifiedDeps.systemSharedLibs, properties.System_shared_libs...) | |
| } | |
| specifiedDeps.sharedLibs = android.FirstUniqueStrings(specifiedDeps.sharedLibs) | |
| if len(specifiedDeps.systemSharedLibs) > 0 { | |
| // Skip this if systemSharedLibs is either nil or [], to ensure they are | |
| // retained. | |
| specifiedDeps.systemSharedLibs = android.FirstUniqueStrings(specifiedDeps.systemSharedLibs) | |
| } | |
| return specifiedDeps | |
| } | |
| func (library *libraryDecorator) linkStatic(ctx ModuleContext, | |
| flags Flags, deps PathDeps, objs Objects) android.Path { | |
| library.objects = deps.WholeStaticLibObjs.Copy() | |
| library.objects = library.objects.Append(objs) | |
| library.wholeStaticLibsFromPrebuilts = android.CopyOfPaths(deps.WholeStaticLibsFromPrebuilts) | |
| fileName := ctx.ModuleName() + staticLibraryExtension | |
| outputFile := android.PathForModuleOut(ctx, fileName) | |
| builderFlags := flagsToBuilderFlags(flags) | |
| if Bool(library.baseLinker.Properties.Use_version_lib) { | |
| if ctx.Host() { | |
| versionedOutputFile := outputFile | |
| outputFile = android.PathForModuleOut(ctx, "unversioned", fileName) | |
| library.injectVersionSymbol(ctx, outputFile, versionedOutputFile) | |
| } else { | |
| versionedOutputFile := android.PathForModuleOut(ctx, "versioned", fileName) | |
| library.distFile = versionedOutputFile | |
| library.injectVersionSymbol(ctx, outputFile, versionedOutputFile) | |
| } | |
| } | |
| transformObjToStaticLib(ctx, library.objects.objFiles, deps.WholeStaticLibsFromPrebuilts, builderFlags, outputFile, nil, objs.tidyDepFiles) | |
| library.coverageOutputFile = transformCoverageFilesToZip(ctx, library.objects, ctx.ModuleName()) | |
| ctx.CheckbuildFile(outputFile) | |
| if library.static() { | |
| ctx.SetProvider(StaticLibraryInfoProvider, StaticLibraryInfo{ | |
| StaticLibrary: outputFile, | |
| ReuseObjects: library.reuseObjects, | |
| Objects: library.objects, | |
| WholeStaticLibsFromPrebuilts: library.wholeStaticLibsFromPrebuilts, | |
| TransitiveStaticLibrariesForOrdering: android.NewDepSetBuilder[android.Path](android.TOPOLOGICAL). | |
| Direct(outputFile). | |
| Transitive(deps.TranstiveStaticLibrariesForOrdering). | |
| Build(), | |
| }) | |
| } | |
| if library.header() { | |
| ctx.SetProvider(HeaderLibraryInfoProvider, HeaderLibraryInfo{}) | |
| } | |
| return outputFile | |
| } | |
| func ndkSharedLibDeps(ctx ModuleContext) android.Paths { | |
| if ctx.Module().(*Module).IsSdkVariant() { | |
| // The NDK sysroot timestamp file depends on all the NDK | |
| // sysroot header and shared library files. | |
| return android.Paths{getNdkBaseTimestampFile(ctx)} | |
| } | |
| return nil | |
| } | |
| func (library *libraryDecorator) linkShared(ctx ModuleContext, | |
| flags Flags, deps PathDeps, objs Objects) android.Path { | |
| var linkerDeps android.Paths | |
| linkerDeps = append(linkerDeps, flags.LdFlagsDeps...) | |
| linkerDeps = append(linkerDeps, ndkSharedLibDeps(ctx)...) | |
| unexportedSymbols := ctx.ExpandOptionalSource(library.Properties.Unexported_symbols_list, "unexported_symbols_list") | |
| forceNotWeakSymbols := ctx.ExpandOptionalSource(library.Properties.Force_symbols_not_weak_list, "force_symbols_not_weak_list") | |
| forceWeakSymbols := ctx.ExpandOptionalSource(library.Properties.Force_symbols_weak_list, "force_symbols_weak_list") | |
| if !ctx.Darwin() { | |
| if unexportedSymbols.Valid() { | |
| ctx.PropertyErrorf("unexported_symbols_list", "Only supported on Darwin") | |
| } | |
| if forceNotWeakSymbols.Valid() { | |
| ctx.PropertyErrorf("force_symbols_not_weak_list", "Only supported on Darwin") | |
| } | |
| if forceWeakSymbols.Valid() { | |
| ctx.PropertyErrorf("force_symbols_weak_list", "Only supported on Darwin") | |
| } | |
| } else { | |
| if unexportedSymbols.Valid() { | |
| flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-unexported_symbols_list,"+unexportedSymbols.String()) | |
| linkerDeps = append(linkerDeps, unexportedSymbols.Path()) | |
| } | |
| if forceNotWeakSymbols.Valid() { | |
| flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-force_symbols_not_weak_list,"+forceNotWeakSymbols.String()) | |
| linkerDeps = append(linkerDeps, forceNotWeakSymbols.Path()) | |
| } | |
| if forceWeakSymbols.Valid() { | |
| flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-force_symbols_weak_list,"+forceWeakSymbols.String()) | |
| linkerDeps = append(linkerDeps, forceWeakSymbols.Path()) | |
| } | |
| } | |
| if library.versionScriptPath.Valid() { | |
| linkerScriptFlags := "-Wl,--version-script," + library.versionScriptPath.String() | |
| flags.Local.LdFlags = append(flags.Local.LdFlags, linkerScriptFlags) | |
| linkerDeps = append(linkerDeps, library.versionScriptPath.Path()) | |
| } | |
| fileName := library.getLibName(ctx) + flags.Toolchain.ShlibSuffix() | |
| outputFile := android.PathForModuleOut(ctx, fileName) | |
| unstrippedOutputFile := outputFile | |
| var implicitOutputs android.WritablePaths | |
| if ctx.Windows() { | |
| importLibraryPath := android.PathForModuleOut(ctx, pathtools.ReplaceExtension(fileName, "lib")) | |
| flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--out-implib="+importLibraryPath.String()) | |
| implicitOutputs = append(implicitOutputs, importLibraryPath) | |
| } | |
| builderFlags := flagsToBuilderFlags(flags) | |
| if ctx.Darwin() && deps.DarwinSecondArchOutput.Valid() { | |
| fatOutputFile := outputFile | |
| outputFile = android.PathForModuleOut(ctx, "pre-fat", fileName) | |
| transformDarwinUniversalBinary(ctx, fatOutputFile, outputFile, deps.DarwinSecondArchOutput.Path()) | |
| } | |
| // Optimize out relinking against shared libraries whose interface hasn't changed by | |
| // depending on a table of contents file instead of the library itself. | |
| tocFile := outputFile.ReplaceExtension(ctx, flags.Toolchain.ShlibSuffix()[1:]+".toc") | |
| library.tocFile = android.OptionalPathForPath(tocFile) | |
| TransformSharedObjectToToc(ctx, outputFile, tocFile) | |
| stripFlags := flagsToStripFlags(flags) | |
| needsStrip := library.stripper.NeedsStrip(ctx) | |
| if library.buildStubs() { | |
| // No need to strip stubs libraries | |
| needsStrip = false | |
| } | |
| if needsStrip { | |
| if ctx.Darwin() { | |
| stripFlags.StripUseGnuStrip = true | |
| } | |
| strippedOutputFile := outputFile | |
| outputFile = android.PathForModuleOut(ctx, "unstripped", fileName) | |
| library.stripper.StripExecutableOrSharedLib(ctx, outputFile, strippedOutputFile, stripFlags) | |
| } | |
| library.unstrippedOutputFile = outputFile | |
| outputFile = maybeInjectBoringSSLHash(ctx, outputFile, library.Properties.Inject_bssl_hash, fileName) | |
| if Bool(library.baseLinker.Properties.Use_version_lib) { | |
| if ctx.Host() { | |
| versionedOutputFile := outputFile | |
| outputFile = android.PathForModuleOut(ctx, "unversioned", fileName) | |
| library.injectVersionSymbol(ctx, outputFile, versionedOutputFile) | |
| } else { | |
| versionedOutputFile := android.PathForModuleOut(ctx, "versioned", fileName) | |
| library.distFile = versionedOutputFile | |
| if library.stripper.NeedsStrip(ctx) { | |
| out := android.PathForModuleOut(ctx, "versioned-stripped", fileName) | |
| library.distFile = out | |
| library.stripper.StripExecutableOrSharedLib(ctx, versionedOutputFile, out, stripFlags) | |
| } | |
| library.injectVersionSymbol(ctx, outputFile, versionedOutputFile) | |
| } | |
| } | |
| sharedLibs := deps.EarlySharedLibs | |
| sharedLibs = append(sharedLibs, deps.SharedLibs...) | |
| sharedLibs = append(sharedLibs, deps.LateSharedLibs...) | |
| linkerDeps = append(linkerDeps, deps.EarlySharedLibsDeps...) | |
| linkerDeps = append(linkerDeps, deps.SharedLibsDeps...) | |
| linkerDeps = append(linkerDeps, deps.LateSharedLibsDeps...) | |
| transformObjToDynamicBinary(ctx, objs.objFiles, sharedLibs, | |
| deps.StaticLibs, deps.LateStaticLibs, deps.WholeStaticLibs, | |
| linkerDeps, deps.CrtBegin, deps.CrtEnd, false, builderFlags, outputFile, implicitOutputs, objs.tidyDepFiles) | |
| objs.coverageFiles = append(objs.coverageFiles, deps.StaticLibObjs.coverageFiles...) | |
| objs.coverageFiles = append(objs.coverageFiles, deps.WholeStaticLibObjs.coverageFiles...) | |
| objs.sAbiDumpFiles = append(objs.sAbiDumpFiles, deps.StaticLibObjs.sAbiDumpFiles...) | |
| objs.sAbiDumpFiles = append(objs.sAbiDumpFiles, deps.WholeStaticLibObjs.sAbiDumpFiles...) | |
| library.coverageOutputFile = transformCoverageFilesToZip(ctx, objs, library.getLibName(ctx)) | |
| library.linkSAbiDumpFiles(ctx, objs, fileName, unstrippedOutputFile) | |
| var transitiveStaticLibrariesForOrdering *android.DepSet[android.Path] | |
| if static := ctx.GetDirectDepsWithTag(staticVariantTag); len(static) > 0 { | |
| s := ctx.OtherModuleProvider(static[0], StaticLibraryInfoProvider).(StaticLibraryInfo) | |
| transitiveStaticLibrariesForOrdering = s.TransitiveStaticLibrariesForOrdering | |
| } | |
| ctx.SetProvider(SharedLibraryInfoProvider, SharedLibraryInfo{ | |
| TableOfContents: android.OptionalPathForPath(tocFile), | |
| SharedLibrary: unstrippedOutputFile, | |
| TransitiveStaticLibrariesForOrdering: transitiveStaticLibrariesForOrdering, | |
| Target: ctx.Target(), | |
| }) | |
| addStubDependencyProviders(ctx) | |
| return unstrippedOutputFile | |
| } | |
| func addStubDependencyProviders(ctx ModuleContext) { | |
| stubs := ctx.GetDirectDepsWithTag(stubImplDepTag) | |
| if len(stubs) > 0 { | |
| var stubsInfo []SharedStubLibrary | |
| for _, stub := range stubs { | |
| stubInfo := ctx.OtherModuleProvider(stub, SharedLibraryInfoProvider).(SharedLibraryInfo) | |
| flagInfo := ctx.OtherModuleProvider(stub, FlagExporterInfoProvider).(FlagExporterInfo) | |
| stubsInfo = append(stubsInfo, SharedStubLibrary{ | |
| Version: moduleLibraryInterface(stub).stubsVersion(), | |
| SharedLibraryInfo: stubInfo, | |
| FlagExporterInfo: flagInfo, | |
| }) | |
| } | |
| ctx.SetProvider(SharedLibraryStubsProvider, SharedLibraryStubsInfo{ | |
| SharedStubLibraries: stubsInfo, | |
| IsLLNDK: ctx.IsLlndk(), | |
| }) | |
| } | |
| } | |
| func (library *libraryDecorator) unstrippedOutputFilePath() android.Path { | |
| return library.unstrippedOutputFile | |
| } | |
| func (library *libraryDecorator) disableStripping() { | |
| library.stripper.StripProperties.Strip.None = BoolPtr(true) | |
| } | |
| func (library *libraryDecorator) nativeCoverage() bool { | |
| if library.header() || library.buildStubs() { | |
| return false | |
| } | |
| return true | |
| } | |
| func (library *libraryDecorator) coverageOutputFilePath() android.OptionalPath { | |
| return library.coverageOutputFile | |
| } | |
| func getRefAbiDumpFile(ctx android.ModuleInstallPathContext, | |
| versionedDumpDir, fileName string) android.OptionalPath { | |
| currentArchType := ctx.Arch().ArchType | |
| primaryArchType := ctx.Config().DevicePrimaryArchType() | |
| archName := currentArchType.String() | |
| if currentArchType != primaryArchType { | |
| archName += "_" + primaryArchType.String() | |
| } | |
| return android.ExistentPathForSource(ctx, versionedDumpDir, archName, "source-based", | |
| fileName+".lsdump") | |
| } | |
| func getRefAbiDumpDir(isNdk, isVndk bool) string { | |
| var dirName string | |
| if isNdk { | |
| dirName = "ndk" | |
| } else if isVndk { | |
| dirName = "vndk" | |
| } else { | |
| dirName = "platform" | |
| } | |
| return filepath.Join("prebuilts", "abi-dumps", dirName) | |
| } | |
| func prevRefAbiDumpVersion(ctx ModuleContext, dumpDir string) int { | |
| sdkVersionInt := ctx.Config().PlatformSdkVersion().FinalInt() | |
| sdkVersionStr := ctx.Config().PlatformSdkVersion().String() | |
| if ctx.Config().PlatformSdkFinal() { | |
| return sdkVersionInt - 1 | |
| } else { | |
| // 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. | |
| versionedDumpDir := android.ExistentPathForSource(ctx, dumpDir, sdkVersionStr) | |
| if versionedDumpDir.Valid() { | |
| return sdkVersionInt | |
| } else { | |
| return sdkVersionInt - 1 | |
| } | |
| } | |
| } | |
| func currRefAbiDumpVersion(ctx ModuleContext, isVndk bool) string { | |
| if isVndk { | |
| // Each version of VNDK is independent, so follow the VNDK version which is the codename or PLATFORM_SDK_VERSION. | |
| return ctx.Module().(*Module).VndkVersion() | |
| } else if ctx.Config().PlatformSdkFinal() { | |
| // After sdk finalization, the ABI of the latest API level must be consistent with the source code, | |
| // so choose PLATFORM_SDK_VERSION as the current version. | |
| return ctx.Config().PlatformSdkVersion().String() | |
| } else { | |
| return "current" | |
| } | |
| } | |
| // sourceAbiDiff registers a build statement to compare linked sAbi dump files (.lsdump). | |
| func (library *libraryDecorator) sourceAbiDiff(ctx android.ModuleContext, referenceDump android.Path, | |
| baseName, nameExt string, isLlndkOrNdk, allowExtensions bool, | |
| sourceVersion, errorMessage string) { | |
| sourceDump := library.sAbiOutputFile.Path() | |
| extraFlags := []string{"-target-version", sourceVersion} | |
| headerAbiChecker := library.getHeaderAbiCheckerProperties(ctx) | |
| if Bool(headerAbiChecker.Check_all_apis) { | |
| extraFlags = append(extraFlags, "-check-all-apis") | |
| } else { | |
| extraFlags = append(extraFlags, | |
| "-allow-unreferenced-changes", | |
| "-allow-unreferenced-elf-symbol-changes") | |
| } | |
| if isLlndkOrNdk { | |
| extraFlags = append(extraFlags, "-consider-opaque-types-different") | |
| } | |
| if allowExtensions { | |
| extraFlags = append(extraFlags, "-allow-extensions") | |
| } | |
| extraFlags = append(extraFlags, headerAbiChecker.Diff_flags...) | |
| library.sAbiDiff = append( | |
| library.sAbiDiff, | |
| transformAbiDumpToAbiDiff(ctx, sourceDump, referenceDump, | |
| baseName, nameExt, extraFlags, errorMessage)) | |
| } | |
| func (library *libraryDecorator) crossVersionAbiDiff(ctx android.ModuleContext, referenceDump android.Path, | |
| baseName string, isLlndkOrNdk bool, sourceVersion, prevVersion string) { | |
| errorMessage := "error: Please follow https://android.googlesource.com/platform/development/+/master/vndk/tools/header-checker/README.md#configure-cross_version-abi-check to resolve the ABI difference between your source code and version " + prevVersion + "." | |
| library.sourceAbiDiff(ctx, referenceDump, baseName, prevVersion, | |
| isLlndkOrNdk, true /* allowExtensions */, sourceVersion, errorMessage) | |
| } | |
| func (library *libraryDecorator) sameVersionAbiDiff(ctx android.ModuleContext, referenceDump android.Path, | |
| baseName string, isLlndkOrNdk, allowExtensions bool) { | |
| libName := strings.TrimSuffix(baseName, filepath.Ext(baseName)) | |
| errorMessage := "error: Please update ABI references with: $$ANDROID_BUILD_TOP/development/vndk/tools/header-checker/utils/create_reference_dumps.py -l " + libName | |
| library.sourceAbiDiff(ctx, referenceDump, baseName, "", | |
| isLlndkOrNdk, allowExtensions, "current", errorMessage) | |
| } | |
| func (library *libraryDecorator) optInAbiDiff(ctx android.ModuleContext, referenceDump android.Path, | |
| baseName, nameExt string, isLlndkOrNdk bool, refDumpDir string) { | |
| libName := strings.TrimSuffix(baseName, filepath.Ext(baseName)) | |
| errorMessage := "error: Please update ABI references with: $$ANDROID_BUILD_TOP/development/vndk/tools/header-checker/utils/create_reference_dumps.py -l " + libName + " -ref-dump-dir $$ANDROID_BUILD_TOP/" + refDumpDir | |
| // Most opt-in libraries do not have dumps for all default architectures. | |
| if ctx.Config().HasDeviceProduct() { | |
| errorMessage += " -products " + ctx.Config().DeviceProduct() | |
| } | |
| library.sourceAbiDiff(ctx, referenceDump, baseName, nameExt, | |
| isLlndkOrNdk, false /* allowExtensions */, "current", errorMessage) | |
| } | |
| func (library *libraryDecorator) linkSAbiDumpFiles(ctx ModuleContext, objs Objects, fileName string, soFile android.Path) { | |
| if library.sabi.shouldCreateSourceAbiDump() { | |
| exportIncludeDirs := library.flagExporter.exportedIncludes(ctx) | |
| var SourceAbiFlags []string | |
| for _, dir := range exportIncludeDirs.Strings() { | |
| SourceAbiFlags = append(SourceAbiFlags, "-I"+dir) | |
| } | |
| for _, reexportedInclude := range library.sabi.Properties.ReexportedIncludes { | |
| SourceAbiFlags = append(SourceAbiFlags, "-I"+reexportedInclude) | |
| } | |
| exportedHeaderFlags := strings.Join(SourceAbiFlags, " ") | |
| headerAbiChecker := library.getHeaderAbiCheckerProperties(ctx) | |
| library.sAbiOutputFile = transformDumpToLinkedDump(ctx, objs.sAbiDumpFiles, soFile, fileName, exportedHeaderFlags, | |
| android.OptionalPathForModuleSrc(ctx, library.symbolFileForAbiCheck(ctx)), | |
| headerAbiChecker.Exclude_symbol_versions, | |
| headerAbiChecker.Exclude_symbol_tags) | |
| addLsdumpPath(classifySourceAbiDump(ctx) + ":" + library.sAbiOutputFile.String()) | |
| // The logic must be consistent with classifySourceAbiDump. | |
| isVndk := ctx.useVndk() && ctx.isVndk() | |
| isNdk := ctx.isNdk(ctx.Config()) | |
| isLlndk := ctx.isImplementationForLLNDKPublic() | |
| dumpDir := getRefAbiDumpDir(isNdk, isVndk) | |
| binderBitness := ctx.DeviceConfig().BinderBitness() | |
| // If NDK or PLATFORM library, check against previous version ABI. | |
| if !isVndk { | |
| prevVersionInt := prevRefAbiDumpVersion(ctx, dumpDir) | |
| prevVersion := strconv.Itoa(prevVersionInt) | |
| prevDumpDir := filepath.Join(dumpDir, prevVersion, binderBitness) | |
| prevDumpFile := getRefAbiDumpFile(ctx, prevDumpDir, fileName) | |
| if prevDumpFile.Valid() { | |
| library.crossVersionAbiDiff(ctx, prevDumpFile.Path(), | |
| fileName, isLlndk || isNdk, | |
| strconv.Itoa(prevVersionInt+1), prevVersion) | |
| } | |
| } | |
| // Check against the current version. | |
| currVersion := currRefAbiDumpVersion(ctx, isVndk) | |
| currDumpDir := filepath.Join(dumpDir, currVersion, binderBitness) | |
| currDumpFile := getRefAbiDumpFile(ctx, currDumpDir, fileName) | |
| if currDumpFile.Valid() { | |
| library.sameVersionAbiDiff(ctx, currDumpFile.Path(), | |
| fileName, isLlndk || isNdk, ctx.IsVndkExt()) | |
| } | |
| // Check against the opt-in reference dumps. | |
| for i, optInDumpDir := range headerAbiChecker.Ref_dump_dirs { | |
| optInDumpDirPath := android.PathForModuleSrc(ctx, optInDumpDir) | |
| // Ref_dump_dirs are not versioned. | |
| // They do not contain subdir for binder bitness because 64-bit binder has been mandatory. | |
| optInDumpFile := getRefAbiDumpFile(ctx, optInDumpDirPath.String(), fileName) | |
| if !optInDumpFile.Valid() { | |
| continue | |
| } | |
| library.optInAbiDiff(ctx, optInDumpFile.Path(), | |
| fileName, "opt"+strconv.Itoa(i), isLlndk || isNdk, | |
| optInDumpDirPath.String()) | |
| } | |
| } | |
| } | |
| func processLLNDKHeaders(ctx ModuleContext, srcHeaderDir string, outDir android.ModuleGenPath) (timestamp android.Path, installPaths android.WritablePaths) { | |
| srcDir := android.PathForModuleSrc(ctx, srcHeaderDir) | |
| srcFiles := ctx.GlobFiles(filepath.Join(srcDir.String(), "**/*.h"), nil) | |
| for _, header := range srcFiles { | |
| headerDir := filepath.Dir(header.String()) | |
| relHeaderDir, err := filepath.Rel(srcDir.String(), headerDir) | |
| if err != nil { | |
| ctx.ModuleErrorf("filepath.Rel(%q, %q) failed: %s", | |
| srcDir.String(), headerDir, err) | |
| continue | |
| } | |
| installPaths = append(installPaths, outDir.Join(ctx, relHeaderDir, header.Base())) | |
| } | |
| return processHeadersWithVersioner(ctx, srcDir, outDir, srcFiles, installPaths), installPaths | |
| } | |
| // link registers actions to link this library, and sets various fields | |
| // on this library to reflect information that should be exported up the build | |
| // tree (for example, exported flags and include paths). | |
| func (library *libraryDecorator) link(ctx ModuleContext, | |
| flags Flags, deps PathDeps, objs Objects) android.Path { | |
| if ctx.IsLlndk() { | |
| if len(library.Properties.Llndk.Export_preprocessed_headers) > 0 { | |
| // This is the vendor variant of an LLNDK library with preprocessed headers. | |
| genHeaderOutDir := android.PathForModuleGen(ctx, "include") | |
| var timestampFiles android.Paths | |
| for _, dir := range library.Properties.Llndk.Export_preprocessed_headers { | |
| timestampFile, installPaths := processLLNDKHeaders(ctx, dir, genHeaderOutDir) | |
| timestampFiles = append(timestampFiles, timestampFile) | |
| library.addExportedGeneratedHeaders(installPaths.Paths()...) | |
| } | |
| if Bool(library.Properties.Llndk.Export_headers_as_system) { | |
| library.reexportSystemDirs(genHeaderOutDir) | |
| } else { | |
| library.reexportDirs(genHeaderOutDir) | |
| } | |
| library.reexportDeps(timestampFiles...) | |
| } | |
| // override the module's export_include_dirs with llndk.override_export_include_dirs | |
| // if it is set. | |
| if override := library.Properties.Llndk.Override_export_include_dirs; override != nil { | |
| library.flagExporter.Properties.Export_include_dirs = override | |
| } | |
| if Bool(library.Properties.Llndk.Export_headers_as_system) { | |
| library.flagExporter.Properties.Export_system_include_dirs = append( | |
| library.flagExporter.Properties.Export_system_include_dirs, | |
| library.flagExporter.Properties.Export_include_dirs...) | |
| library.flagExporter.Properties.Export_include_dirs = nil | |
| } | |
| } | |
| if ctx.IsVendorPublicLibrary() { | |
| // override the module's export_include_dirs with vendor_public_library.override_export_include_dirs | |
| // if it is set. | |
| if override := library.Properties.Vendor_public_library.Override_export_include_dirs; override != nil { | |
| library.flagExporter.Properties.Export_include_dirs = override | |
| } | |
| } | |
| // Linking this library consists of linking `deps.Objs` (.o files in dependencies | |
| // of this library), together with `objs` (.o files created by compiling this | |
| // library). | |
| objs = deps.Objs.Copy().Append(objs) | |
| var out android.Path | |
| if library.static() || library.header() { | |
| out = library.linkStatic(ctx, flags, deps, objs) | |
| } else { | |
| out = library.linkShared(ctx, flags, deps, objs) | |
| } | |
| // Export include paths and flags to be propagated up the tree. | |
| library.exportIncludes(ctx) | |
| library.reexportDirs(deps.ReexportedDirs...) | |
| library.reexportSystemDirs(deps.ReexportedSystemDirs...) | |
| library.reexportFlags(deps.ReexportedFlags...) | |
| library.reexportDeps(deps.ReexportedDeps...) | |
| library.addExportedGeneratedHeaders(deps.ReexportedGeneratedHeaders...) | |
| // Optionally export aidl headers. | |
| if Bool(library.Properties.Aidl.Export_aidl_headers) { | |
| if library.baseCompiler.hasAidl(deps) { | |
| if library.baseCompiler.hasSrcExt(".aidl") { | |
| dir := android.PathForModuleGen(ctx, "aidl") | |
| library.reexportDirs(dir) | |
| } | |
| if len(deps.AidlLibraryInfos) > 0 { | |
| dir := android.PathForModuleGen(ctx, "aidl_library") | |
| library.reexportDirs(dir) | |
| } | |
| library.reexportDeps(library.baseCompiler.aidlOrderOnlyDeps...) | |
| library.addExportedGeneratedHeaders(library.baseCompiler.aidlHeaders...) | |
| } | |
| } | |
| // Optionally export proto headers. | |
| if Bool(library.Properties.Proto.Export_proto_headers) { | |
| if library.baseCompiler.hasSrcExt(".proto") { | |
| var includes android.Paths | |
| if flags.proto.CanonicalPathFromRoot { | |
| includes = append(includes, flags.proto.SubDir) | |
| } | |
| includes = append(includes, flags.proto.Dir) | |
| library.reexportDirs(includes...) | |
| library.reexportDeps(library.baseCompiler.protoOrderOnlyDeps...) | |
| library.addExportedGeneratedHeaders(library.baseCompiler.protoHeaders...) | |
| } | |
| } | |
| // If the library is sysprop_library, expose either public or internal header selectively. | |
| if library.baseCompiler.hasSrcExt(".sysprop") { | |
| dir := android.PathForModuleGen(ctx, "sysprop", "include") | |
| if library.Properties.Sysprop.Platform != nil { | |
| isOwnerPlatform := Bool(library.Properties.Sysprop.Platform) | |
| // If the owner is different from the user, expose public header. That is, | |
| // 1) if the user is product (as owner can only be platform / vendor) | |
| // 2) if the owner is platform and the client is vendor | |
| // We don't care Platform -> Vendor dependency as it's already forbidden. | |
| if ctx.Device() && (ctx.ProductSpecific() || (isOwnerPlatform && ctx.inVendor())) { | |
| dir = android.PathForModuleGen(ctx, "sysprop/public", "include") | |
| } | |
| } | |
| // Make sure to only export headers which are within the include directory. | |
| _, headers := android.FilterPathListPredicate(library.baseCompiler.syspropHeaders, func(path android.Path) bool { | |
| _, isRel := android.MaybeRel(ctx, dir.String(), path.String()) | |
| return isRel | |
| }) | |
| // Add sysprop-related directories to the exported directories of this library. | |
| library.reexportDirs(dir) | |
| library.reexportDeps(library.baseCompiler.syspropOrderOnlyDeps...) | |
| library.addExportedGeneratedHeaders(headers...) | |
| } | |
| // Add stub-related flags if this library is a stub library. | |
| library.exportVersioningMacroIfNeeded(ctx) | |
| // Propagate a Provider containing information about exported flags, deps, and include paths. | |
| library.flagExporter.setProvider(ctx) | |
| return out | |
| } | |
| func (library *libraryDecorator) exportVersioningMacroIfNeeded(ctx android.BaseModuleContext) { | |
| if library.buildStubs() && library.stubsVersion() != "" && !library.skipAPIDefine { | |
| name := versioningMacroName(ctx.Module().(*Module).ImplementationModuleName(ctx)) | |
| apiLevel, err := android.ApiLevelFromUser(ctx, library.stubsVersion()) | |
| if err != nil { | |
| ctx.ModuleErrorf("Can't export version macro: %s", err.Error()) | |
| } | |
| library.reexportFlags("-D" + name + "=" + strconv.Itoa(apiLevel.FinalOrPreviewInt())) | |
| } | |
| } | |
| // buildStatic returns true if this library should be built as a static library. | |
| func (library *libraryDecorator) buildStatic() bool { | |
| return library.MutatedProperties.BuildStatic && | |
| BoolDefault(library.StaticProperties.Static.Enabled, true) | |
| } | |
| // buildShared returns true if this library should be built as a shared library. | |
| func (library *libraryDecorator) buildShared() bool { | |
| return library.MutatedProperties.BuildShared && | |
| BoolDefault(library.SharedProperties.Shared.Enabled, true) | |
| } | |
| func (library *libraryDecorator) objs() Objects { | |
| return library.objects | |
| } | |
| func (library *libraryDecorator) reuseObjs() Objects { | |
| return library.reuseObjects | |
| } | |
| func (library *libraryDecorator) toc() android.OptionalPath { | |
| return library.tocFile | |
| } | |
| func (library *libraryDecorator) installSymlinkToRuntimeApex(ctx ModuleContext, file android.Path) { | |
| dir := library.baseInstaller.installDir(ctx) | |
| dirOnDevice := android.InstallPathToOnDevicePath(ctx, dir) | |
| // libc_hwasan has relative_install_dir set, which would mess up the dir.Base() logic. | |
| // hardcode here because it's the only target, if we have other targets that use this | |
| // we can generalise this. | |
| var target string | |
| if ctx.baseModuleName() == "libc_hwasan" { | |
| target = "/" + filepath.Join("apex", "com.android.runtime", "lib64", "bionic", "hwasan", file.Base()) | |
| } else { | |
| base := dir.Base() | |
| target = "/" + filepath.Join("apex", "com.android.runtime", base, "bionic", file.Base()) | |
| } | |
| ctx.InstallAbsoluteSymlink(dir, file.Base(), target) | |
| library.postInstallCmds = append(library.postInstallCmds, makeSymlinkCmd(dirOnDevice, file.Base(), target)) | |
| } | |
| func (library *libraryDecorator) install(ctx ModuleContext, file android.Path) { | |
| if library.shared() { | |
| if ctx.Device() && ctx.useVndk() { | |
| // set subDir for VNDK extensions | |
| if ctx.IsVndkExt() { | |
| if ctx.isVndkSp() { | |
| library.baseInstaller.subDir = "vndk-sp" | |
| } else { | |
| library.baseInstaller.subDir = "vndk" | |
| } | |
| } | |
| // In some cases we want to use core variant for VNDK-Core libs. | |
| // Skip product variant since VNDKs use only the vendor variant. | |
| if ctx.isVndk() && !ctx.isVndkSp() && !ctx.IsVndkExt() && !ctx.inProduct() { | |
| mayUseCoreVariant := true | |
| if ctx.mustUseVendorVariant() { | |
| mayUseCoreVariant = false | |
| } | |
| if ctx.Config().CFIEnabledForPath(ctx.ModuleDir()) { | |
| mayUseCoreVariant = false | |
| } | |
| if mayUseCoreVariant { | |
| library.checkSameCoreVariant = true | |
| if ctx.DeviceConfig().VndkUseCoreVariant() { | |
| library.useCoreVariant = true | |
| } | |
| } | |
| } | |
| // do not install vndk libs | |
| // vndk libs are packaged into VNDK APEX | |
| if ctx.isVndk() && !ctx.IsVndkExt() && !ctx.Config().IsVndkDeprecated() { | |
| return | |
| } | |
| } else if library.hasStubsVariants() && !ctx.Host() && ctx.directlyInAnyApex() { | |
| // Bionic libraries (e.g. libc.so) is installed to the bootstrap subdirectory. | |
| // The original path becomes a symlink to the corresponding file in the | |
| // runtime APEX. | |
| translatedArch := ctx.Target().NativeBridge == android.NativeBridgeEnabled | |
| if InstallToBootstrap(ctx.baseModuleName(), ctx.Config()) && !library.buildStubs() && | |
| !translatedArch && !ctx.inRamdisk() && !ctx.inVendorRamdisk() && !ctx.inRecovery() { | |
| if ctx.Device() { | |
| library.installSymlinkToRuntimeApex(ctx, file) | |
| } | |
| library.baseInstaller.subDir = "bootstrap" | |
| } | |
| } else if ctx.directlyInAnyApex() && ctx.IsLlndk() && !isBionic(ctx.baseModuleName()) { | |
| // Skip installing LLNDK (non-bionic) libraries moved to APEX. | |
| ctx.Module().HideFromMake() | |
| } | |
| library.baseInstaller.install(ctx, file) | |
| } | |
| if Bool(library.Properties.Static_ndk_lib) && library.static() && | |
| !ctx.useVndk() && !ctx.inRamdisk() && !ctx.inVendorRamdisk() && !ctx.inRecovery() && ctx.Device() && | |
| library.baseLinker.sanitize.isUnsanitizedVariant() && | |
| ctx.isForPlatform() && !ctx.isPreventInstall() { | |
| installPath := getUnversionedLibraryInstallPath(ctx).Join(ctx, file.Base()) | |
| ctx.ModuleBuild(pctx, android.ModuleBuildParams{ | |
| Rule: android.Cp, | |
| Description: "install " + installPath.Base(), | |
| Output: installPath, | |
| Input: file, | |
| }) | |
| library.ndkSysrootPath = installPath | |
| } | |
| } | |
| func (library *libraryDecorator) everInstallable() bool { | |
| // Only shared and static libraries are installed. Header libraries (which are | |
| // neither static or shared) are not installed. | |
| return library.shared() || library.static() | |
| } | |
| // static returns true if this library is for a "static' variant. | |
| func (library *libraryDecorator) static() bool { | |
| return library.MutatedProperties.VariantIsStatic | |
| } | |
| // shared returns true if this library is for a "shared' variant. | |
| func (library *libraryDecorator) shared() bool { | |
| return library.MutatedProperties.VariantIsShared | |
| } | |
| // header returns true if this library is for a header-only variant. | |
| func (library *libraryDecorator) header() bool { | |
| // Neither "static" nor "shared" implies this library is header-only. | |
| return !library.static() && !library.shared() | |
| } | |
| // setStatic marks the library variant as "static". | |
| func (library *libraryDecorator) setStatic() { | |
| library.MutatedProperties.VariantIsStatic = true | |
| library.MutatedProperties.VariantIsShared = false | |
| } | |
| // setShared marks the library variant as "shared". | |
| func (library *libraryDecorator) setShared() { | |
| library.MutatedProperties.VariantIsStatic = false | |
| library.MutatedProperties.VariantIsShared = true | |
| } | |
| // BuildOnlyStatic disables building this library as a shared library. | |
| func (library *libraryDecorator) BuildOnlyStatic() { | |
| library.MutatedProperties.BuildShared = false | |
| } | |
| // BuildOnlyShared disables building this library as a static library. | |
| func (library *libraryDecorator) BuildOnlyShared() { | |
| library.MutatedProperties.BuildStatic = false | |
| } | |
| // HeaderOnly disables building this library as a shared or static library; | |
| // the library only exists to propagate header file dependencies up the build graph. | |
| func (library *libraryDecorator) HeaderOnly() { | |
| library.MutatedProperties.BuildShared = false | |
| library.MutatedProperties.BuildStatic = false | |
| } | |
| // hasLLNDKStubs returns true if this cc_library module has a variant that will build LLNDK stubs. | |
| func (library *libraryDecorator) hasLLNDKStubs() bool { | |
| return String(library.Properties.Llndk.Symbol_file) != "" | |
| } | |
| // hasLLNDKStubs returns true if this cc_library module has a variant that will build LLNDK stubs. | |
| func (library *libraryDecorator) hasLLNDKHeaders() bool { | |
| return Bool(library.Properties.Llndk.Llndk_headers) | |
| } | |
| // hasVendorPublicLibrary returns true if this cc_library module has a variant that will build | |
| // vendor public library stubs. | |
| func (library *libraryDecorator) hasVendorPublicLibrary() bool { | |
| return String(library.Properties.Vendor_public_library.Symbol_file) != "" | |
| } | |
| func (library *libraryDecorator) implementationModuleName(name string) string { | |
| return name | |
| } | |
| func (library *libraryDecorator) buildStubs() bool { | |
| return library.MutatedProperties.BuildStubs | |
| } | |
| func (library *libraryDecorator) symbolFileForAbiCheck(ctx ModuleContext) *string { | |
| if props := library.getHeaderAbiCheckerProperties(ctx); props.Symbol_file != nil { | |
| return props.Symbol_file | |
| } | |
| if ctx.Module().(*Module).IsLlndk() { | |
| return library.Properties.Llndk.Symbol_file | |
| } | |
| if library.hasStubsVariants() && library.Properties.Stubs.Symbol_file != nil { | |
| return library.Properties.Stubs.Symbol_file | |
| } | |
| return nil | |
| } | |
| func (library *libraryDecorator) hasStubsVariants() bool { | |
| // Just having stubs.symbol_file is enough to create a stub variant. In that case | |
| // the stub for the future API level is created. | |
| return library.Properties.Stubs.Symbol_file != nil || | |
| len(library.Properties.Stubs.Versions) > 0 | |
| } | |
| func (library *libraryDecorator) isStubsImplementationRequired() bool { | |
| return BoolDefault(library.Properties.Stubs.Implementation_installable, true) | |
| } | |
| func (library *libraryDecorator) stubsVersions(ctx android.BaseMutatorContext) []string { | |
| if !library.hasStubsVariants() { | |
| return nil | |
| } | |
| if library.hasLLNDKStubs() && ctx.Module().(*Module).UseVndk() { | |
| // LLNDK libraries only need a single stubs variant. | |
| return []string{android.FutureApiLevel.String()} | |
| } | |
| // Future API level is implicitly added if there isn't | |
| return addCurrentVersionIfNotPresent(library.Properties.Stubs.Versions) | |
| } | |
| func addCurrentVersionIfNotPresent(vers []string) []string { | |
| if inList(android.FutureApiLevel.String(), vers) { | |
| return vers | |
| } | |
| // In some cases, people use the raw value "10000" in the versions property. | |
| // We shouldn't add the future API level in that case, otherwise there will | |
| // be two identical versions. | |
| if inList(strconv.Itoa(android.FutureApiLevel.FinalOrFutureInt()), vers) { | |
| return vers | |
| } | |
| return append(vers, android.FutureApiLevel.String()) | |
| } | |
| func (library *libraryDecorator) setStubsVersion(version string) { | |
| library.MutatedProperties.StubsVersion = version | |
| } | |
| func (library *libraryDecorator) stubsVersion() string { | |
| return library.MutatedProperties.StubsVersion | |
| } | |
| func (library *libraryDecorator) setBuildStubs(isLatest bool) { | |
| library.MutatedProperties.BuildStubs = true | |
| library.MutatedProperties.IsLatestVersion = isLatest | |
| } | |
| func (library *libraryDecorator) setAllStubsVersions(versions []string) { | |
| library.MutatedProperties.AllStubsVersions = versions | |
| } | |
| func (library *libraryDecorator) allStubsVersions() []string { | |
| return library.MutatedProperties.AllStubsVersions | |
| } | |
| func (library *libraryDecorator) isLatestStubVersion() bool { | |
| return library.MutatedProperties.IsLatestVersion | |
| } | |
| func (library *libraryDecorator) availableFor(what string) bool { | |
| var list []string | |
| if library.static() { | |
| list = library.StaticProperties.Static.Apex_available | |
| } else if library.shared() { | |
| list = library.SharedProperties.Shared.Apex_available | |
| } | |
| if len(list) == 0 { | |
| return false | |
| } | |
| return android.CheckAvailableForApex(what, list) | |
| } | |
| func (library *libraryDecorator) installable() *bool { | |
| if library.static() { | |
| return library.StaticProperties.Static.Installable | |
| } else if library.shared() { | |
| return library.SharedProperties.Shared.Installable | |
| } | |
| return nil | |
| } | |
| func (library *libraryDecorator) makeUninstallable(mod *Module) { | |
| if library.static() && library.buildStatic() && !library.buildStubs() { | |
| // If we're asked to make a static library uninstallable we don't do | |
| // anything since AndroidMkEntries always sets LOCAL_UNINSTALLABLE_MODULE | |
| // for these entries. This is done to still get the make targets for NOTICE | |
| // files from notice_files.mk, which other libraries might depend on. | |
| return | |
| } | |
| mod.ModuleBase.MakeUninstallable() | |
| } | |
| func (library *libraryDecorator) getPartition() string { | |
| return library.path.Partition() | |
| } | |
| func (library *libraryDecorator) getAPIListCoverageXMLPath() android.ModuleOutPath { | |
| return library.apiListCoverageXmlPath | |
| } | |
| func (library *libraryDecorator) overriddenModules() []string { | |
| return library.Properties.Overrides | |
| } | |
| var _ overridable = (*libraryDecorator)(nil) | |
| var versioningMacroNamesListKey = android.NewOnceKey("versioningMacroNamesList") | |
| // versioningMacroNamesList returns a singleton map, where keys are "version macro names", | |
| // and values are the module name responsible for registering the version macro name. | |
| // | |
| // Version macros are used when building against stubs, to provide version information about | |
| // the stub. Only stub libraries should have an entry in this list. | |
| // | |
| // For example, when building against libFoo#ver, __LIBFOO_API__ macro is set to ver so | |
| // that headers from libFoo can be conditionally compiled (this may hide APIs | |
| // that are not available for the version). | |
| // | |
| // This map is used to ensure that there aren't conflicts between these version macro names. | |
| func versioningMacroNamesList(config android.Config) *map[string]string { | |
| return config.Once(versioningMacroNamesListKey, func() interface{} { | |
| m := make(map[string]string) | |
| return &m | |
| }).(*map[string]string) | |
| } | |
| // alphanumeric and _ characters are preserved. | |
| // other characters are all converted to _ | |
| var charsNotForMacro = regexp.MustCompile("[^a-zA-Z0-9_]+") | |
| // versioningMacroName returns the canonical version macro name for the given module. | |
| func versioningMacroName(moduleName string) string { | |
| macroName := charsNotForMacro.ReplaceAllString(moduleName, "_") | |
| macroName = strings.ToUpper(macroName) | |
| return "__" + macroName + "_API__" | |
| } | |
| // NewLibrary builds and returns a new Module corresponding to a C++ library. | |
| // Individual module implementations which comprise a C++ library (or something like | |
| // a C++ library) should call this function, set some fields on the result, and | |
| // then call the Init function. | |
| func NewLibrary(hod android.HostOrDeviceSupported) (*Module, *libraryDecorator) { | |
| module := newModule(hod, android.MultilibBoth) | |
| library := &libraryDecorator{ | |
| MutatedProperties: LibraryMutatedProperties{ | |
| BuildShared: true, | |
| BuildStatic: true, | |
| }, | |
| baseCompiler: NewBaseCompiler(), | |
| baseLinker: NewBaseLinker(module.sanitize), | |
| baseInstaller: NewBaseInstaller("lib", "lib64", InstallInSystem), | |
| sabi: module.sabi, | |
| } | |
| module.compiler = library | |
| module.linker = library | |
| module.installer = library | |
| module.library = library | |
| return module, library | |
| } | |
| // connects a shared library to a static library in order to reuse its .o files to avoid | |
| // compiling source files twice. | |
| func reuseStaticLibrary(mctx android.BottomUpMutatorContext, static, shared *Module) { | |
| if staticCompiler, ok := static.compiler.(*libraryDecorator); ok { | |
| sharedCompiler := shared.compiler.(*libraryDecorator) | |
| // Check libraries in addition to cflags, since libraries may be exporting different | |
| // include directories. | |
| if len(staticCompiler.StaticProperties.Static.Cflags) == 0 && | |
| len(sharedCompiler.SharedProperties.Shared.Cflags) == 0 && | |
| len(staticCompiler.StaticProperties.Static.Whole_static_libs) == 0 && | |
| len(sharedCompiler.SharedProperties.Shared.Whole_static_libs) == 0 && | |
| len(staticCompiler.StaticProperties.Static.Static_libs) == 0 && | |
| len(sharedCompiler.SharedProperties.Shared.Static_libs) == 0 && | |
| len(staticCompiler.StaticProperties.Static.Shared_libs) == 0 && | |
| len(sharedCompiler.SharedProperties.Shared.Shared_libs) == 0 && | |
| // Compare System_shared_libs properties with nil because empty lists are | |
| // semantically significant for them. | |
| staticCompiler.StaticProperties.Static.System_shared_libs == nil && | |
| sharedCompiler.SharedProperties.Shared.System_shared_libs == nil { | |
| mctx.AddInterVariantDependency(reuseObjTag, shared, static) | |
| sharedCompiler.baseCompiler.Properties.OriginalSrcs = | |
| sharedCompiler.baseCompiler.Properties.Srcs | |
| sharedCompiler.baseCompiler.Properties.Srcs = nil | |
| sharedCompiler.baseCompiler.Properties.Generated_sources = nil | |
| } | |
| // This dep is just to reference static variant from shared variant | |
| mctx.AddInterVariantDependency(staticVariantTag, shared, static) | |
| } | |
| } | |
| // LinkageMutator adds "static" or "shared" variants for modules depending | |
| // on whether the module can be built as a static library or a shared library. | |
| func LinkageMutator(mctx android.BottomUpMutatorContext) { | |
| ccPrebuilt := false | |
| if m, ok := mctx.Module().(*Module); ok && m.linker != nil { | |
| _, ccPrebuilt = m.linker.(prebuiltLibraryInterface) | |
| } | |
| if ccPrebuilt { | |
| library := mctx.Module().(*Module).linker.(prebuiltLibraryInterface) | |
| // Differentiate between header only and building an actual static/shared library | |
| buildStatic := library.buildStatic() | |
| buildShared := library.buildShared() | |
| if buildStatic || buildShared { | |
| // Always create both the static and shared variants for prebuilt libraries, and then disable the one | |
| // that is not being used. This allows them to share the name of a cc_library module, which requires that | |
| // all the variants of the cc_library also exist on the prebuilt. | |
| modules := mctx.CreateLocalVariations("static", "shared") | |
| static := modules[0].(*Module) | |
| shared := modules[1].(*Module) | |
| static.linker.(prebuiltLibraryInterface).setStatic() | |
| shared.linker.(prebuiltLibraryInterface).setShared() | |
| if buildShared { | |
| mctx.AliasVariation("shared") | |
| } else if buildStatic { | |
| mctx.AliasVariation("static") | |
| } | |
| if !buildStatic { | |
| static.linker.(prebuiltLibraryInterface).disablePrebuilt() | |
| } | |
| if !buildShared { | |
| shared.linker.(prebuiltLibraryInterface).disablePrebuilt() | |
| } | |
| } else { | |
| // Header only | |
| } | |
| } else if library, ok := mctx.Module().(LinkableInterface); ok && library.CcLibraryInterface() { | |
| // Non-cc.Modules may need an empty variant for their mutators. | |
| variations := []string{} | |
| if library.NonCcVariants() { | |
| variations = append(variations, "") | |
| } | |
| isLLNDK := false | |
| if m, ok := mctx.Module().(*Module); ok { | |
| isLLNDK = m.IsLlndk() | |
| } | |
| buildStatic := library.BuildStaticVariant() && !isLLNDK | |
| buildShared := library.BuildSharedVariant() | |
| if buildStatic && buildShared { | |
| variations := append([]string{"static", "shared"}, variations...) | |
| modules := mctx.CreateLocalVariations(variations...) | |
| static := modules[0].(LinkableInterface) | |
| shared := modules[1].(LinkableInterface) | |
| static.SetStatic() | |
| shared.SetShared() | |
| if _, ok := library.(*Module); ok { | |
| reuseStaticLibrary(mctx, static.(*Module), shared.(*Module)) | |
| } | |
| mctx.AliasVariation("shared") | |
| } else if buildStatic { | |
| variations := append([]string{"static"}, variations...) | |
| modules := mctx.CreateLocalVariations(variations...) | |
| modules[0].(LinkableInterface).SetStatic() | |
| mctx.AliasVariation("static") | |
| } else if buildShared { | |
| variations := append([]string{"shared"}, variations...) | |
| modules := mctx.CreateLocalVariations(variations...) | |
| modules[0].(LinkableInterface).SetShared() | |
| mctx.AliasVariation("shared") | |
| } else if len(variations) > 0 { | |
| mctx.CreateLocalVariations(variations...) | |
| mctx.AliasVariation(variations[0]) | |
| } | |
| } | |
| } | |
| // normalizeVersions modifies `versions` in place, so that each raw version | |
| // string becomes its normalized canonical form. | |
| // Validates that the versions in `versions` are specified in least to greatest order. | |
| func normalizeVersions(ctx android.BazelConversionPathContext, versions []string) { | |
| var previous android.ApiLevel | |
| for i, v := range versions { | |
| ver, err := android.ApiLevelFromUser(ctx, v) | |
| if err != nil { | |
| ctx.PropertyErrorf("versions", "%s", err.Error()) | |
| return | |
| } | |
| if i > 0 && ver.LessThanOrEqualTo(previous) { | |
| ctx.PropertyErrorf("versions", "not sorted: %v", versions) | |
| } | |
| versions[i] = ver.String() | |
| previous = ver | |
| } | |
| } | |
| func createVersionVariations(mctx android.BottomUpMutatorContext, versions []string) { | |
| // "" is for the non-stubs (implementation) variant for system modules, or the LLNDK variant | |
| // for LLNDK modules. | |
| variants := append(android.CopyOf(versions), "") | |
| m := mctx.Module().(*Module) | |
| isLLNDK := m.IsLlndk() | |
| isVendorPublicLibrary := m.IsVendorPublicLibrary() | |
| isImportedApiLibrary := m.isImportedApiLibrary() | |
| modules := mctx.CreateLocalVariations(variants...) | |
| for i, m := range modules { | |
| if variants[i] != "" || isLLNDK || isVendorPublicLibrary || isImportedApiLibrary { | |
| // A stubs or LLNDK stubs variant. | |
| c := m.(*Module) | |
| c.sanitize = nil | |
| c.stl = nil | |
| c.Properties.PreventInstall = true | |
| lib := moduleLibraryInterface(m) | |
| isLatest := i == (len(versions) - 1) | |
| lib.setBuildStubs(isLatest) | |
| if variants[i] != "" { | |
| // A non-LLNDK stubs module is hidden from make and has a dependency from the | |
| // implementation module to the stubs module. | |
| c.Properties.HideFromMake = true | |
| lib.setStubsVersion(variants[i]) | |
| mctx.AddInterVariantDependency(stubImplDepTag, modules[len(modules)-1], modules[i]) | |
| } | |
| } | |
| } | |
| mctx.AliasVariation("") | |
| latestVersion := "" | |
| if len(versions) > 0 { | |
| latestVersion = versions[len(versions)-1] | |
| } | |
| mctx.CreateAliasVariation("latest", latestVersion) | |
| } | |
| func createPerApiVersionVariations(mctx android.BottomUpMutatorContext, minSdkVersion string) { | |
| from, err := nativeApiLevelFromUser(mctx, minSdkVersion) | |
| if err != nil { | |
| mctx.PropertyErrorf("min_sdk_version", err.Error()) | |
| return | |
| } | |
| versionStrs := ndkLibraryVersions(mctx, from) | |
| modules := mctx.CreateLocalVariations(versionStrs...) | |
| for i, module := range modules { | |
| module.(*Module).Properties.Sdk_version = StringPtr(versionStrs[i]) | |
| module.(*Module).Properties.Min_sdk_version = StringPtr(versionStrs[i]) | |
| } | |
| } | |
| func canBeOrLinkAgainstVersionVariants(module interface { | |
| Host() bool | |
| InRamdisk() bool | |
| InVendorRamdisk() bool | |
| }) bool { | |
| return !module.Host() && !module.InRamdisk() && !module.InVendorRamdisk() | |
| } | |
| func canBeVersionVariant(module interface { | |
| Host() bool | |
| InRamdisk() bool | |
| InVendorRamdisk() bool | |
| CcLibraryInterface() bool | |
| Shared() bool | |
| }) bool { | |
| return canBeOrLinkAgainstVersionVariants(module) && | |
| module.CcLibraryInterface() && module.Shared() | |
| } | |
| func moduleLibraryInterface(module blueprint.Module) libraryInterface { | |
| if m, ok := module.(*Module); ok { | |
| return m.library | |
| } | |
| return nil | |
| } | |
| // setStubsVersions normalizes the versions in the Stubs.Versions property into MutatedProperties.AllStubsVersions. | |
| func setStubsVersions(mctx android.BottomUpMutatorContext, library libraryInterface, module *Module) { | |
| if !library.buildShared() || !canBeVersionVariant(module) { | |
| return | |
| } | |
| versions := library.stubsVersions(mctx) | |
| if len(versions) <= 0 { | |
| return | |
| } | |
| normalizeVersions(mctx, versions) | |
| if mctx.Failed() { | |
| return | |
| } | |
| // Set the versions on the pre-mutated module so they can be read by any llndk modules that | |
| // depend on the implementation library and haven't been mutated yet. | |
| library.setAllStubsVersions(versions) | |
| } | |
| // versionMutator splits a module into the mandatory non-stubs variant | |
| // (which is unnamed) and zero or more stubs variants. | |
| func versionMutator(mctx android.BottomUpMutatorContext) { | |
| if mctx.Os() != android.Android { | |
| return | |
| } | |
| m, ok := mctx.Module().(*Module) | |
| if library := moduleLibraryInterface(mctx.Module()); library != nil && canBeVersionVariant(m) { | |
| setStubsVersions(mctx, library, m) | |
| createVersionVariations(mctx, library.allStubsVersions()) | |
| return | |
| } | |
| if ok { | |
| if m.SplitPerApiLevel() && m.IsSdkVariant() { | |
| createPerApiVersionVariations(mctx, m.MinSdkVersion()) | |
| } | |
| } | |
| } | |
| // maybeInjectBoringSSLHash adds a rule to run bssl_inject_hash on the output file if the module has the | |
| // inject_bssl_hash or if any static library dependencies have inject_bssl_hash set. It returns the output path | |
| // that the linked output file should be written to. | |
| // TODO(b/137267623): Remove this in favor of a cc_genrule when they support operating on shared libraries. | |
| func maybeInjectBoringSSLHash(ctx android.ModuleContext, outputFile android.ModuleOutPath, | |
| inject *bool, fileName string) android.ModuleOutPath { | |
| // TODO(b/137267623): Remove this in favor of a cc_genrule when they support operating on shared libraries. | |
| injectBoringSSLHash := Bool(inject) | |
| ctx.VisitDirectDeps(func(dep android.Module) { | |
| if tag, ok := ctx.OtherModuleDependencyTag(dep).(libraryDependencyTag); ok && tag.static() { | |
| if cc, ok := dep.(*Module); ok { | |
| if library, ok := cc.linker.(*libraryDecorator); ok { | |
| if Bool(library.Properties.Inject_bssl_hash) { | |
| injectBoringSSLHash = true | |
| } | |
| } | |
| } | |
| } | |
| }) | |
| if injectBoringSSLHash { | |
| hashedOutputfile := outputFile | |
| outputFile = android.PathForModuleOut(ctx, "unhashed", fileName) | |
| rule := android.NewRuleBuilder(pctx, ctx) | |
| rule.Command(). | |
| BuiltTool("bssl_inject_hash"). | |
| FlagWithInput("-in-object ", outputFile). | |
| FlagWithOutput("-o ", hashedOutputfile) | |
| rule.Build("injectCryptoHash", "inject crypto hash") | |
| } | |
| return outputFile | |
| } | |
| func bp2buildParseAbiCheckerProps(ctx android.TopDownMutatorContext, module *Module) bazelCcHeaderAbiCheckerAttributes { | |
| lib, ok := module.linker.(*libraryDecorator) | |
| if !ok { | |
| return bazelCcHeaderAbiCheckerAttributes{} | |
| } | |
| abiChecker := lib.getHeaderAbiCheckerProperties(ctx) | |
| abiCheckerAttrs := bazelCcHeaderAbiCheckerAttributes{ | |
| Abi_checker_enabled: abiChecker.Enabled, | |
| Abi_checker_exclude_symbol_versions: abiChecker.Exclude_symbol_versions, | |
| Abi_checker_exclude_symbol_tags: abiChecker.Exclude_symbol_tags, | |
| Abi_checker_check_all_apis: abiChecker.Check_all_apis, | |
| Abi_checker_diff_flags: abiChecker.Diff_flags, | |
| } | |
| if abiChecker.Symbol_file != nil { | |
| symbolFile := android.BazelLabelForModuleSrcSingle(ctx, *abiChecker.Symbol_file) | |
| abiCheckerAttrs.Abi_checker_symbol_file = &symbolFile | |
| } | |
| return abiCheckerAttrs | |
| } | |
| func sharedOrStaticLibraryBp2Build(ctx android.TopDownMutatorContext, module *Module, isStatic bool) { | |
| baseAttributes := bp2BuildParseBaseProps(ctx, module) | |
| compilerAttrs := baseAttributes.compilerAttributes | |
| linkerAttrs := baseAttributes.linkerAttributes | |
| exportedIncludes := bp2BuildParseExportedIncludes(ctx, module, &compilerAttrs.includes) | |
| includeAttrs := includesAttributes{ | |
| Export_includes: exportedIncludes.Includes, | |
| Export_absolute_includes: exportedIncludes.AbsoluteIncludes, | |
| Export_system_includes: exportedIncludes.SystemIncludes, | |
| Local_includes: compilerAttrs.localIncludes, | |
| Absolute_includes: compilerAttrs.absoluteIncludes, | |
| } | |
| // Append shared/static{} stanza properties. These won't be specified on | |
| // cc_library_* itself, but may be specified in cc_defaults that this module | |
| // depends on. | |
| libSharedOrStaticAttrs := bp2BuildParseLibProps(ctx, module, isStatic) | |
| compilerAttrs.srcs.Append(libSharedOrStaticAttrs.Srcs) | |
| compilerAttrs.cSrcs.Append(libSharedOrStaticAttrs.Srcs_c) | |
| compilerAttrs.asSrcs.Append(libSharedOrStaticAttrs.Srcs_as) | |
| compilerAttrs.copts.Append(libSharedOrStaticAttrs.Copts) | |
| linkerAttrs.deps.Append(libSharedOrStaticAttrs.Deps) | |
| linkerAttrs.implementationDeps.Append(libSharedOrStaticAttrs.Implementation_deps) | |
| linkerAttrs.dynamicDeps.Append(libSharedOrStaticAttrs.Dynamic_deps) | |
| linkerAttrs.implementationDynamicDeps.Append(libSharedOrStaticAttrs.Implementation_dynamic_deps) | |
| linkerAttrs.systemDynamicDeps.Append(libSharedOrStaticAttrs.System_dynamic_deps) | |
| asFlags := compilerAttrs.asFlags | |
| if compilerAttrs.asSrcs.IsEmpty() { | |
| // Skip asflags for BUILD file simplicity if there are no assembly sources. | |
| asFlags = bazel.MakeStringListAttribute(nil) | |
| } | |
| features := baseAttributes.features.Clone().Append(libSharedOrStaticAttrs.Features) | |
| features.DeduplicateAxesFromBase() | |
| commonAttrs := staticOrSharedAttributes{ | |
| Srcs: compilerAttrs.srcs, | |
| Srcs_c: compilerAttrs.cSrcs, | |
| Srcs_as: compilerAttrs.asSrcs, | |
| Copts: compilerAttrs.copts, | |
| Hdrs: compilerAttrs.hdrs, | |
| Deps: linkerAttrs.deps, | |
| Implementation_deps: linkerAttrs.implementationDeps, | |
| Dynamic_deps: linkerAttrs.dynamicDeps, | |
| Implementation_dynamic_deps: linkerAttrs.implementationDynamicDeps, | |
| Whole_archive_deps: linkerAttrs.wholeArchiveDeps, | |
| Implementation_whole_archive_deps: linkerAttrs.implementationWholeArchiveDeps, | |
| System_dynamic_deps: linkerAttrs.systemDynamicDeps, | |
| sdkAttributes: bp2BuildParseSdkAttributes(module), | |
| Runtime_deps: linkerAttrs.runtimeDeps, | |
| Native_coverage: baseAttributes.Native_coverage, | |
| } | |
| module.convertTidyAttributes(ctx, &commonAttrs.tidyAttributes) | |
| var attrs interface{} | |
| if isStatic { | |
| commonAttrs.Deps.Add(baseAttributes.protoDependency) | |
| attrs = &bazelCcLibraryStaticAttributes{ | |
| staticOrSharedAttributes: commonAttrs, | |
| Rtti: compilerAttrs.rtti, | |
| Stl: compilerAttrs.stl, | |
| Cpp_std: compilerAttrs.cppStd, | |
| C_std: compilerAttrs.cStd, | |
| includesAttributes: includeAttrs, | |
| Cppflags: compilerAttrs.cppFlags, | |
| Conlyflags: compilerAttrs.conlyFlags, | |
| Asflags: asFlags, | |
| Features: *features, | |
| } | |
| } else { | |
| commonAttrs.Dynamic_deps.Add(baseAttributes.protoDependency) | |
| sharedLibAttrs := &bazelCcLibrarySharedAttributes{ | |
| staticOrSharedAttributes: commonAttrs, | |
| Cppflags: compilerAttrs.cppFlags, | |
| Conlyflags: compilerAttrs.conlyFlags, | |
| Asflags: asFlags, | |
| Linkopts: linkerAttrs.linkopts, | |
| Use_version_lib: linkerAttrs.useVersionLib, | |
| Rtti: compilerAttrs.rtti, | |
| Stl: compilerAttrs.stl, | |
| Cpp_std: compilerAttrs.cppStd, | |
| C_std: compilerAttrs.cStd, | |
| includesAttributes: includeAttrs, | |
| Additional_linker_inputs: linkerAttrs.additionalLinkerInputs, | |
| Strip: stripAttrsFromLinkerAttrs(&linkerAttrs), | |
| Features: *features, | |
| Stem: compilerAttrs.stem, | |
| Suffix: compilerAttrs.suffix, | |
| bazelCcHeaderAbiCheckerAttributes: bp2buildParseAbiCheckerProps(ctx, module), | |
| Fdo_profile: compilerAttrs.fdoProfile, | |
| } | |
| if compilerAttrs.stubsSymbolFile != nil && len(compilerAttrs.stubsVersions.Value) > 0 { | |
| sharedLibAttrs.Stubs_symbol_file = compilerAttrs.stubsSymbolFile | |
| } | |
| attrs = sharedLibAttrs | |
| } | |
| var modType string | |
| if isStatic { | |
| modType = "cc_library_static" | |
| } else { | |
| modType = "cc_library_shared" | |
| createStubsBazelTargetIfNeeded(ctx, module, compilerAttrs, exportedIncludes, baseAttributes) | |
| } | |
| props := bazel.BazelTargetModuleProperties{ | |
| Rule_class: modType, | |
| Bzl_load_location: fmt.Sprintf("//build/bazel/rules/cc:%s.bzl", modType), | |
| } | |
| tags := android.ApexAvailableTagsWithoutTestApexes(ctx, module) | |
| ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: module.Name(), Tags: tags}, attrs) | |
| } | |
| type includesAttributes struct { | |
| Export_includes bazel.StringListAttribute | |
| Export_absolute_includes bazel.StringListAttribute | |
| Export_system_includes bazel.StringListAttribute | |
| Local_includes bazel.StringListAttribute | |
| Absolute_includes bazel.StringListAttribute | |
| } | |
| // TODO(b/199902614): Can this be factored to share with the other Attributes? | |
| type bazelCcLibraryStaticAttributes struct { | |
| staticOrSharedAttributes | |
| includesAttributes | |
| Use_version_lib bazel.BoolAttribute | |
| Rtti bazel.BoolAttribute | |
| Stl *string | |
| Cpp_std *string | |
| C_std *string | |
| Hdrs bazel.LabelListAttribute | |
| Cppflags bazel.StringListAttribute | |
| Conlyflags bazel.StringListAttribute | |
| Asflags bazel.StringListAttribute | |
| Features bazel.StringListAttribute | |
| } | |
| // TODO(b/199902614): Can this be factored to share with the other Attributes? | |
| type bazelCcLibrarySharedAttributes struct { | |
| staticOrSharedAttributes | |
| includesAttributes | |
| Linkopts bazel.StringListAttribute | |
| Use_version_lib bazel.BoolAttribute | |
| Rtti bazel.BoolAttribute | |
| Stl *string | |
| Cpp_std *string | |
| C_std *string | |
| Hdrs bazel.LabelListAttribute | |
| Strip stripAttributes | |
| Additional_linker_inputs bazel.LabelListAttribute | |
| Cppflags bazel.StringListAttribute | |
| Conlyflags bazel.StringListAttribute | |
| Asflags bazel.StringListAttribute | |
| Features bazel.StringListAttribute | |
| Stubs_symbol_file *string | |
| Inject_bssl_hash bazel.BoolAttribute | |
| Stem bazel.StringAttribute | |
| Suffix bazel.StringAttribute | |
| bazelCcHeaderAbiCheckerAttributes | |
| Fdo_profile bazel.LabelAttribute | |
| } | |
| type bazelCcStubSuiteAttributes struct { | |
| Symbol_file *string | |
| Versions bazel.StringListAttribute | |
| Export_includes bazel.StringListAttribute | |
| Source_library_label *string | |
| Soname *string | |
| Deps bazel.LabelListAttribute | |
| } | |
| type bazelCcHeaderAbiCheckerAttributes struct { | |
| Abi_checker_enabled *bool | |
| Abi_checker_symbol_file *bazel.Label | |
| Abi_checker_exclude_symbol_versions []string | |
| Abi_checker_exclude_symbol_tags []string | |
| Abi_checker_check_all_apis *bool | |
| Abi_checker_diff_flags []string | |
| } |