Inseob Kim | 5eb7ee9 | 2022-04-27 10:30:34 +0900 | [diff] [blame] | 1 | // Copyright 2021 Google Inc. All rights reserved. |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package cc |
| 16 | |
| 17 | import ( |
| 18 | "android/soong/android" |
| 19 | "android/soong/multitree" |
| 20 | ) |
| 21 | |
| 22 | func init() { |
| 23 | RegisterLibraryStubBuildComponents(android.InitRegistrationContext) |
| 24 | } |
| 25 | |
| 26 | func RegisterLibraryStubBuildComponents(ctx android.RegistrationContext) { |
Kiyoung Kim | 487689e | 2022-07-26 09:48:22 +0900 | [diff] [blame] | 27 | ctx.RegisterModuleType("cc_api_library", CcApiLibraryFactory) |
Kiyoung Kim | 51279d3 | 2022-08-24 14:10:46 +0900 | [diff] [blame] | 28 | ctx.RegisterModuleType("cc_api_headers", CcApiHeadersFactory) |
| 29 | |
| 30 | // cc_api_stub_library shares a lot of ndk_library, and this will be refactored later |
Inseob Kim | 5eb7ee9 | 2022-04-27 10:30:34 +0900 | [diff] [blame] | 31 | ctx.RegisterModuleType("cc_api_stub_library", CcApiStubLibraryFactory) |
| 32 | ctx.RegisterModuleType("cc_api_contribution", CcApiContributionFactory) |
| 33 | } |
| 34 | |
Kiyoung Kim | 487689e | 2022-07-26 09:48:22 +0900 | [diff] [blame] | 35 | // 'cc_api_library' is a module type which is from the exported API surface |
| 36 | // with C shared library type. The module will replace original module, and |
| 37 | // offer a link to the module that generates shared library object from the |
| 38 | // map file. |
| 39 | type apiLibraryProperties struct { |
| 40 | Src *string `android:"arch_variant"` |
| 41 | } |
| 42 | |
| 43 | type apiLibraryDecorator struct { |
| 44 | *libraryDecorator |
| 45 | properties apiLibraryProperties |
| 46 | } |
| 47 | |
| 48 | func CcApiLibraryFactory() android.Module { |
| 49 | module, decorator := NewLibrary(android.DeviceSupported) |
| 50 | apiLibraryDecorator := &apiLibraryDecorator{ |
| 51 | libraryDecorator: decorator, |
| 52 | } |
| 53 | apiLibraryDecorator.BuildOnlyShared() |
| 54 | |
| 55 | module.stl = nil |
| 56 | module.sanitize = nil |
| 57 | decorator.disableStripping() |
| 58 | |
| 59 | module.compiler = nil |
| 60 | module.linker = apiLibraryDecorator |
| 61 | module.installer = nil |
| 62 | module.AddProperties(&module.Properties, &apiLibraryDecorator.properties) |
| 63 | |
| 64 | // Mark module as stub, so APEX would not include this stub in the package. |
| 65 | module.library.setBuildStubs(true) |
| 66 | |
| 67 | // Prevent default system libs (libc, libm, and libdl) from being linked |
| 68 | if apiLibraryDecorator.baseLinker.Properties.System_shared_libs == nil { |
| 69 | apiLibraryDecorator.baseLinker.Properties.System_shared_libs = []string{} |
| 70 | } |
| 71 | |
Kiyoung Kim | 835c589 | 2022-08-17 16:40:16 +0900 | [diff] [blame] | 72 | apiLibraryDecorator.baseLinker.Properties.No_libcrt = BoolPtr(true) |
| 73 | apiLibraryDecorator.baseLinker.Properties.Nocrt = BoolPtr(true) |
| 74 | |
Kiyoung Kim | 487689e | 2022-07-26 09:48:22 +0900 | [diff] [blame] | 75 | module.Init() |
| 76 | |
| 77 | return module |
| 78 | } |
| 79 | |
| 80 | func (d *apiLibraryDecorator) Name(basename string) string { |
| 81 | return basename + multitree.GetApiImportSuffix() |
| 82 | } |
| 83 | |
Spandan Das | f0beebc | 2022-10-18 18:23:28 +0000 | [diff] [blame^] | 84 | // Export include dirs without checking for existence. |
| 85 | // The directories are not guaranteed to exist during Soong analysis. |
| 86 | func (d *apiLibraryDecorator) exportIncludes(ctx ModuleContext) { |
| 87 | exporterProps := d.flagExporter.Properties |
| 88 | for _, dir := range exporterProps.Export_include_dirs { |
| 89 | d.dirs = append(d.dirs, android.PathForSource(ctx, ctx.ModuleDir(), dir)) |
| 90 | } |
| 91 | // system headers |
| 92 | for _, dir := range exporterProps.Export_system_include_dirs { |
| 93 | d.systemDirs = append(d.systemDirs, android.PathForSource(ctx, ctx.ModuleDir(), dir)) |
| 94 | } |
| 95 | } |
| 96 | |
Kiyoung Kim | 487689e | 2022-07-26 09:48:22 +0900 | [diff] [blame] | 97 | func (d *apiLibraryDecorator) link(ctx ModuleContext, flags Flags, deps PathDeps, objects Objects) android.Path { |
Kiyoung Kim | 51279d3 | 2022-08-24 14:10:46 +0900 | [diff] [blame] | 98 | // Export headers as system include dirs if specified. Mostly for libc |
| 99 | if Bool(d.libraryDecorator.Properties.Llndk.Export_headers_as_system) { |
| 100 | d.libraryDecorator.flagExporter.Properties.Export_system_include_dirs = append( |
| 101 | d.libraryDecorator.flagExporter.Properties.Export_system_include_dirs, |
| 102 | d.libraryDecorator.flagExporter.Properties.Export_include_dirs...) |
| 103 | d.libraryDecorator.flagExporter.Properties.Export_include_dirs = nil |
| 104 | } |
| 105 | |
Kiyoung Kim | 487689e | 2022-07-26 09:48:22 +0900 | [diff] [blame] | 106 | // Flags reexported from dependencies. (e.g. vndk_prebuilt_shared) |
Spandan Das | f0beebc | 2022-10-18 18:23:28 +0000 | [diff] [blame^] | 107 | d.exportIncludes(ctx) |
Kiyoung Kim | 487689e | 2022-07-26 09:48:22 +0900 | [diff] [blame] | 108 | d.libraryDecorator.reexportDirs(deps.ReexportedDirs...) |
| 109 | d.libraryDecorator.reexportSystemDirs(deps.ReexportedSystemDirs...) |
| 110 | d.libraryDecorator.reexportFlags(deps.ReexportedFlags...) |
| 111 | d.libraryDecorator.reexportDeps(deps.ReexportedDeps...) |
| 112 | d.libraryDecorator.addExportedGeneratedHeaders(deps.ReexportedGeneratedHeaders...) |
| 113 | d.libraryDecorator.flagExporter.setProvider(ctx) |
| 114 | |
Spandan Das | f0beebc | 2022-10-18 18:23:28 +0000 | [diff] [blame^] | 115 | if d.properties.Src == nil { |
| 116 | ctx.PropertyErrorf("src", "src is a required property") |
| 117 | } |
| 118 | // Skip the existence check of the stub prebuilt file. |
| 119 | // The file is not guaranteed to exist during Soong analysis. |
| 120 | // Build orchestrator will be responsible for creating a connected ninja graph. |
| 121 | in := android.PathForSource(ctx, ctx.ModuleDir(), *d.properties.Src) |
Kiyoung Kim | 487689e | 2022-07-26 09:48:22 +0900 | [diff] [blame] | 122 | |
| 123 | d.unstrippedOutputFile = in |
| 124 | libName := d.libraryDecorator.getLibName(ctx) + flags.Toolchain.ShlibSuffix() |
| 125 | |
| 126 | tocFile := android.PathForModuleOut(ctx, libName+".toc") |
| 127 | d.tocFile = android.OptionalPathForPath(tocFile) |
| 128 | TransformSharedObjectToToc(ctx, in, tocFile) |
| 129 | |
| 130 | ctx.SetProvider(SharedLibraryInfoProvider, SharedLibraryInfo{ |
| 131 | SharedLibrary: in, |
| 132 | Target: ctx.Target(), |
| 133 | |
| 134 | TableOfContents: d.tocFile, |
| 135 | }) |
| 136 | |
| 137 | return in |
| 138 | } |
| 139 | |
| 140 | func (d *apiLibraryDecorator) availableFor(what string) bool { |
| 141 | // Stub from API surface should be available for any APEX. |
| 142 | return true |
| 143 | } |
| 144 | |
Kiyoung Kim | 51279d3 | 2022-08-24 14:10:46 +0900 | [diff] [blame] | 145 | // 'cc_api_headers' is similar with 'cc_api_library', but which replaces |
| 146 | // header libraries. The module will replace any dependencies to existing |
| 147 | // original header libraries. |
| 148 | type apiHeadersDecorator struct { |
| 149 | *libraryDecorator |
| 150 | } |
| 151 | |
| 152 | func CcApiHeadersFactory() android.Module { |
| 153 | module, decorator := NewLibrary(android.DeviceSupported) |
| 154 | apiHeadersDecorator := &apiHeadersDecorator{ |
| 155 | libraryDecorator: decorator, |
| 156 | } |
| 157 | apiHeadersDecorator.HeaderOnly() |
| 158 | |
| 159 | module.stl = nil |
| 160 | module.sanitize = nil |
| 161 | decorator.disableStripping() |
| 162 | |
| 163 | module.compiler = nil |
| 164 | module.linker = apiHeadersDecorator |
| 165 | module.installer = nil |
| 166 | |
| 167 | // Mark module as stub, so APEX would not include this stub in the package. |
| 168 | module.library.setBuildStubs(true) |
| 169 | |
| 170 | // Prevent default system libs (libc, libm, and libdl) from being linked |
| 171 | if apiHeadersDecorator.baseLinker.Properties.System_shared_libs == nil { |
| 172 | apiHeadersDecorator.baseLinker.Properties.System_shared_libs = []string{} |
| 173 | } |
| 174 | |
| 175 | apiHeadersDecorator.baseLinker.Properties.No_libcrt = BoolPtr(true) |
| 176 | apiHeadersDecorator.baseLinker.Properties.Nocrt = BoolPtr(true) |
| 177 | |
| 178 | module.Init() |
| 179 | |
| 180 | return module |
| 181 | } |
| 182 | |
| 183 | func (d *apiHeadersDecorator) Name(basename string) string { |
| 184 | return basename + multitree.GetApiImportSuffix() |
| 185 | } |
| 186 | |
| 187 | func (d *apiHeadersDecorator) availableFor(what string) bool { |
| 188 | // Stub from API surface should be available for any APEX. |
| 189 | return true |
Kiyoung Kim | 487689e | 2022-07-26 09:48:22 +0900 | [diff] [blame] | 190 | } |
| 191 | |
Inseob Kim | 5eb7ee9 | 2022-04-27 10:30:34 +0900 | [diff] [blame] | 192 | func CcApiStubLibraryFactory() android.Module { |
| 193 | module, decorator := NewLibrary(android.DeviceSupported) |
| 194 | apiStubDecorator := &apiStubDecorator{ |
| 195 | libraryDecorator: decorator, |
| 196 | } |
| 197 | apiStubDecorator.BuildOnlyShared() |
| 198 | |
| 199 | module.compiler = apiStubDecorator |
| 200 | module.linker = apiStubDecorator |
| 201 | module.installer = nil |
| 202 | module.library = apiStubDecorator |
| 203 | module.Properties.HideFromMake = true // TODO: remove |
| 204 | |
| 205 | android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibBoth) |
| 206 | module.AddProperties(&module.Properties, |
| 207 | &apiStubDecorator.properties, |
| 208 | &apiStubDecorator.MutatedProperties, |
| 209 | &apiStubDecorator.apiStubLibraryProperties) |
| 210 | return module |
| 211 | } |
| 212 | |
| 213 | type apiStubLiraryProperties struct { |
| 214 | Imported_includes []string `android:"path"` |
| 215 | } |
| 216 | |
| 217 | type apiStubDecorator struct { |
| 218 | *libraryDecorator |
| 219 | properties libraryProperties |
| 220 | apiStubLibraryProperties apiStubLiraryProperties |
| 221 | } |
| 222 | |
| 223 | func (compiler *apiStubDecorator) stubsVersions(ctx android.BaseMutatorContext) []string { |
| 224 | firstVersion := String(compiler.properties.First_version) |
| 225 | return ndkLibraryVersions(ctx, android.ApiLevelOrPanic(ctx, firstVersion)) |
| 226 | } |
| 227 | |
| 228 | func (decorator *apiStubDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) Objects { |
| 229 | if decorator.stubsVersion() == "" { |
| 230 | decorator.setStubsVersion("current") |
| 231 | } // TODO: fix |
| 232 | symbolFile := String(decorator.properties.Symbol_file) |
| 233 | nativeAbiResult := parseNativeAbiDefinition(ctx, symbolFile, |
| 234 | android.ApiLevelOrPanic(ctx, decorator.stubsVersion()), |
| 235 | "") |
| 236 | return compileStubLibrary(ctx, flags, nativeAbiResult.stubSrc) |
| 237 | } |
| 238 | |
| 239 | func (decorator *apiStubDecorator) link(ctx ModuleContext, flags Flags, deps PathDeps, objects Objects) android.Path { |
| 240 | decorator.reexportDirs(android.PathsForModuleSrc(ctx, decorator.apiStubLibraryProperties.Imported_includes)...) |
| 241 | return decorator.libraryDecorator.link(ctx, flags, deps, objects) |
| 242 | } |
| 243 | |
| 244 | func init() { |
| 245 | pctx.HostBinToolVariable("gen_api_surface_build_files", "gen_api_surface_build_files") |
| 246 | } |
| 247 | |
| 248 | type CcApiContribution struct { |
| 249 | android.ModuleBase |
| 250 | properties ccApiContributionProperties |
| 251 | } |
| 252 | |
| 253 | type ccApiContributionProperties struct { |
| 254 | Symbol_file *string `android:"path"` |
| 255 | First_version *string |
| 256 | Export_include_dir *string |
| 257 | } |
| 258 | |
| 259 | func CcApiContributionFactory() android.Module { |
| 260 | module := &CcApiContribution{} |
| 261 | module.AddProperties(&module.properties) |
| 262 | android.InitAndroidModule(module) |
| 263 | return module |
| 264 | } |
| 265 | |
| 266 | // Do some simple validations |
| 267 | // Majority of the build rules will be created in the ctx of the api surface this module contributes to |
| 268 | func (contrib *CcApiContribution) GenerateAndroidBuildActions(ctx android.ModuleContext) { |
| 269 | if contrib.properties.Symbol_file == nil { |
| 270 | ctx.PropertyErrorf("symbol_file", "%v does not have symbol file", ctx.ModuleName()) |
| 271 | } |
| 272 | if contrib.properties.First_version == nil { |
| 273 | ctx.PropertyErrorf("first_version", "%v does not have first_version for stub variants", ctx.ModuleName()) |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | // Path is out/soong/.export/ but will be different in final multi-tree layout |
| 278 | func outPathApiSurface(ctx android.ModuleContext, myModuleName string, pathComponent string) android.OutputPath { |
| 279 | return android.PathForOutput(ctx, ".export", ctx.ModuleName(), myModuleName, pathComponent) |
| 280 | } |
| 281 | |
| 282 | func (contrib *CcApiContribution) CopyFilesWithTag(apiSurfaceContext android.ModuleContext) map[string]android.Paths { |
| 283 | // copy map.txt for now |
| 284 | // hardlinks cannot be created since nsjail creates a different mountpoint for out/ |
| 285 | myDir := apiSurfaceContext.OtherModuleDir(contrib) |
| 286 | genMapTxt := outPathApiSurface(apiSurfaceContext, contrib.Name(), String(contrib.properties.Symbol_file)) |
| 287 | apiSurfaceContext.Build(pctx, android.BuildParams{ |
| 288 | Rule: android.Cp, |
| 289 | Description: "import map.txt file", |
| 290 | Input: android.PathForSource(apiSurfaceContext, myDir, String(contrib.properties.Symbol_file)), |
| 291 | Output: genMapTxt, |
| 292 | }) |
| 293 | |
| 294 | outputs := make(map[string]android.Paths) |
| 295 | outputs["map"] = []android.Path{genMapTxt} |
| 296 | |
| 297 | if contrib.properties.Export_include_dir != nil { |
| 298 | includeDir := android.PathForSource(apiSurfaceContext, myDir, String(contrib.properties.Export_include_dir)) |
| 299 | outputs["export_include_dir"] = []android.Path{includeDir} |
| 300 | } |
| 301 | return outputs |
| 302 | } |
| 303 | |
| 304 | var _ multitree.ApiContribution = (*CcApiContribution)(nil) |
| 305 | |
| 306 | /* |
| 307 | func (contrib *CcApiContribution) GenerateBuildFiles(apiSurfaceContext android.ModuleContext) android.Paths { |
| 308 | genAndroidBp := outPathApiSurface(apiSurfaceContext, contrib.Name(), "Android.bp") |
| 309 | |
| 310 | // generate Android.bp |
| 311 | apiSurfaceContext.Build(pctx, android.BuildParams{ |
| 312 | Rule: genApiSurfaceBuildFiles, |
| 313 | Description: "generate API surface build files", |
| 314 | Outputs: []android.WritablePath{genAndroidBp}, |
| 315 | Args: map[string]string{ |
| 316 | "name": contrib.Name() + "." + apiSurfaceContext.ModuleName(), //e.g. liblog.ndk |
| 317 | "symbol_file": String(contrib.properties.Symbol_file), |
| 318 | "first_version": String(contrib.properties.First_version), |
| 319 | }, |
| 320 | }) |
| 321 | return []android.Path{genAndroidBp} |
| 322 | } |
| 323 | */ |