diff options
author | Jiyong Park <jiyong@google.com> | 2019-11-18 11:16:27 +0900 |
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committer | Jiyong Park <jiyong@google.com> | 2019-11-18 16:37:06 +0900 |
commit | 09d77522fec392b5b94e5819438315447d70012a (patch) | |
tree | d1aa081355d287ca666ae82eec15c5585ff871c8 /apex/vndk.go | |
parent | a3ab1a927e69395f46594254792132fd018db322 (diff) | |
download | soong-09d77522fec392b5b94e5819438315447d70012a.tar.gz |
split apex.go
apex.go is too big. Separate the build rule and android.mk generation
logic into builder.go and androidmk.go, respectively. prebuilt_apex is
moved to prebuilt.go as well.
No refactoring has been made other than the splitting.
Test: m
Change-Id: I839ab0a1ba2b70ce82d98ac1fa8e3534808b5fd3
Diffstat (limited to 'apex/vndk.go')
-rw-r--r-- | apex/vndk.go | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/apex/vndk.go b/apex/vndk.go new file mode 100644 index 000000000..15f7f87fe --- /dev/null +++ b/apex/vndk.go @@ -0,0 +1,132 @@ +// Copyright (C) 2019 The Android Open Source Project +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package apex + +import ( + "path/filepath" + "strings" + "sync" + + "android/soong/android" + "android/soong/cc" + + "github.com/google/blueprint/proptools" +) + +const ( + vndkApexNamePrefix = "com.android.vndk.v" +) + +// apex_vndk creates a special variant of apex modules which contains only VNDK libraries. +// If `vndk_version` is specified, the VNDK libraries of the specified VNDK version are gathered automatically. +// If not specified, then the "current" versions are gathered. +func vndkApexBundleFactory() android.Module { + bundle := newApexBundle() + bundle.vndkApex = true + bundle.AddProperties(&bundle.vndkProperties) + android.AddLoadHook(bundle, func(ctx android.LoadHookContext) { + ctx.AppendProperties(&struct { + Compile_multilib *string + }{ + proptools.StringPtr("both"), + }) + }) + return bundle +} + +func (a *apexBundle) vndkVersion(config android.DeviceConfig) string { + vndkVersion := proptools.StringDefault(a.vndkProperties.Vndk_version, "current") + if vndkVersion == "current" { + vndkVersion = config.PlatformVndkVersion() + } + return vndkVersion +} + +type apexVndkProperties struct { + // Indicates VNDK version of which this VNDK APEX bundles VNDK libs. Default is Platform VNDK Version. + Vndk_version *string +} + +var ( + vndkApexListKey = android.NewOnceKey("vndkApexList") + vndkApexListMutex sync.Mutex +) + +func vndkApexList(config android.Config) map[string]string { + return config.Once(vndkApexListKey, func() interface{} { + return map[string]string{} + }).(map[string]string) +} + +func apexVndkMutator(mctx android.TopDownMutatorContext) { + if ab, ok := mctx.Module().(*apexBundle); ok && ab.vndkApex { + if ab.IsNativeBridgeSupported() { + mctx.PropertyErrorf("native_bridge_supported", "%q doesn't support native bridge binary.", mctx.ModuleType()) + } + + vndkVersion := ab.vndkVersion(mctx.DeviceConfig()) + // Ensure VNDK APEX mount point is formatted as com.android.vndk.v### + ab.properties.Apex_name = proptools.StringPtr(vndkApexNamePrefix + vndkVersion) + + // vndk_version should be unique + vndkApexListMutex.Lock() + defer vndkApexListMutex.Unlock() + vndkApexList := vndkApexList(mctx.Config()) + if other, ok := vndkApexList[vndkVersion]; ok { + mctx.PropertyErrorf("vndk_version", "%v is already defined in %q", vndkVersion, other) + } + vndkApexList[vndkVersion] = mctx.ModuleName() + } +} + +func apexVndkDepsMutator(mctx android.BottomUpMutatorContext) { + if m, ok := mctx.Module().(*cc.Module); ok && cc.IsForVndkApex(mctx, m) { + vndkVersion := m.VndkVersion() + vndkApexList := vndkApexList(mctx.Config()) + if vndkApex, ok := vndkApexList[vndkVersion]; ok { + mctx.AddReverseDependency(mctx.Module(), sharedLibTag, vndkApex) + } + } else if a, ok := mctx.Module().(*apexBundle); ok && a.vndkApex { + vndkVersion := proptools.StringDefault(a.vndkProperties.Vndk_version, "current") + mctx.AddDependency(mctx.Module(), prebuiltTag, cc.VndkLibrariesTxtModules(vndkVersion)...) + } +} + +func makeCompatSymlinks(apexName string, ctx android.ModuleContext) (symlinks []string) { + // small helper to add symlink commands + addSymlink := func(target, dir, linkName string) { + outDir := filepath.Join("$(PRODUCT_OUT)", dir) + link := filepath.Join(outDir, linkName) + symlinks = append(symlinks, "mkdir -p "+outDir+" && rm -rf "+link+" && ln -sf "+target+" "+link) + } + + // TODO(b/142911355): [VNDK APEX] Fix hard-coded references to /system/lib/vndk + // When all hard-coded references are fixed, remove symbolic links + // Note that we should keep following symlinks for older VNDKs (<=29) + // Since prebuilt vndk libs still depend on system/lib/vndk path + if strings.HasPrefix(apexName, vndkApexNamePrefix) { + // the name of vndk apex is formatted "com.android.vndk.v" + version + vndkVersion := strings.TrimPrefix(apexName, vndkApexNamePrefix) + if ctx.Config().Android64() { + addSymlink("/apex/"+apexName+"/lib64", "/system/lib64", "vndk-sp-"+vndkVersion) + addSymlink("/apex/"+apexName+"/lib64", "/system/lib64", "vndk-"+vndkVersion) + } + if !ctx.Config().Android64() || ctx.DeviceConfig().DeviceSecondaryArch() != "" { + addSymlink("/apex/"+apexName+"/lib", "/system/lib", "vndk-sp-"+vndkVersion) + addSymlink("/apex/"+apexName+"/lib", "/system/lib", "vndk-"+vndkVersion) + } + } + return +} |