add122a828
Adds dylib support for vendor and recovery images. This changes the default linkage for vendor and recovery images to dylib, which matches the platform default linkage. This also means that by default, dylib-std variants are used for rlib dependencies. Bug: 204303985 Test: Soong tests. Test: m dist vendor-snapshot Test: RECOVERY_SNAPSHOT_VERSION=current m dist recovery-snapshot Change-Id: If84074b8615a70c45e7e162abeb853dc8c34d49a
130 lines
4 KiB
Go
130 lines
4 KiB
Go
// Copyright 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cc
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// This file contains utility types and functions for VNDK / vendor snapshot.
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import (
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"android/soong/android"
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)
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var (
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HeaderExts = []string{".h", ".hh", ".hpp", ".hxx", ".h++", ".inl", ".inc", ".ipp", ".h.generic"}
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)
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func (m *Module) IsSnapshotLibrary() bool {
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if _, ok := m.linker.(snapshotLibraryInterface); ok {
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return true
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}
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return false
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}
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func (m *Module) SnapshotHeaders() android.Paths {
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if m.IsSnapshotLibrary() {
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return m.linker.(snapshotLibraryInterface).snapshotHeaders()
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}
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return android.Paths{}
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}
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func (m *Module) Dylib() bool {
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return false
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}
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func (m *Module) Rlib() bool {
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return false
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}
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func (m *Module) SnapshotRuntimeLibs() []string {
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return m.Properties.SnapshotRuntimeLibs
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}
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func (m *Module) SnapshotSharedLibs() []string {
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return m.Properties.SnapshotSharedLibs
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}
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func (m *Module) SnapshotStaticLibs() []string {
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return m.Properties.SnapshotStaticLibs
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}
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func (m *Module) SnapshotRlibs() []string {
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return []string{}
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}
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func (m *Module) SnapshotDylibs() []string {
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return []string{}
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}
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// snapshotLibraryInterface is an interface for libraries captured to VNDK / vendor snapshots.
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type snapshotLibraryInterface interface {
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libraryInterface
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// collectHeadersForSnapshot is called in GenerateAndroidBuildActions for snapshot aware
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// modules (See isSnapshotAware below).
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// This function should gather all headers needed for snapshot.
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collectHeadersForSnapshot(ctx android.ModuleContext)
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// snapshotHeaders should return collected headers by collectHeadersForSnapshot.
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// Calling snapshotHeaders before collectHeadersForSnapshot is an error.
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snapshotHeaders() android.Paths
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}
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var _ snapshotLibraryInterface = (*prebuiltLibraryLinker)(nil)
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var _ snapshotLibraryInterface = (*libraryDecorator)(nil)
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// snapshotMap is a helper wrapper to a map from base module name to snapshot module name.
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type snapshotMap struct {
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snapshots map[string]string
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}
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func newSnapshotMap() *snapshotMap {
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return &snapshotMap{
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snapshots: make(map[string]string),
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}
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}
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func snapshotMapKey(name string, arch android.ArchType) string {
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return name + ":" + arch.String()
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}
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// Adds a snapshot name for given module name and architecture.
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// e.g. add("libbase", X86, "libbase.vndk.29.x86")
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func (s *snapshotMap) add(name string, arch android.ArchType, snapshot string) {
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s.snapshots[snapshotMapKey(name, arch)] = snapshot
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}
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// Returns snapshot name for given module name and architecture, if found.
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// e.g. get("libcutils", X86) => "libcutils.vndk.29.x86", true
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func (s *snapshotMap) get(name string, arch android.ArchType) (snapshot string, found bool) {
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snapshot, found = s.snapshots[snapshotMapKey(name, arch)]
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return snapshot, found
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}
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// ShouldCollectHeadersForSnapshot determines if the module is a possible candidate for snapshot.
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// If it's true, collectHeadersForSnapshot will be called in GenerateAndroidBuildActions.
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func ShouldCollectHeadersForSnapshot(ctx android.ModuleContext, m LinkableInterface, apexInfo android.ApexInfo) bool {
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if ctx.DeviceConfig().VndkVersion() != "current" &&
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ctx.DeviceConfig().RecoverySnapshotVersion() != "current" {
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return false
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}
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if _, ok := isVndkSnapshotAware(ctx.DeviceConfig(), m, apexInfo); ok {
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return ctx.Config().VndkSnapshotBuildArtifacts()
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}
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for _, image := range []SnapshotImage{VendorSnapshotImageSingleton, RecoverySnapshotImageSingleton} {
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if isSnapshotAware(ctx.DeviceConfig(), m, image.IsProprietaryPath(ctx.ModuleDir(), ctx.DeviceConfig()), apexInfo, image) {
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return true
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}
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}
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return false
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}
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