platform_build_soong/cc/snapshot_utils.go

96 lines
2.8 KiB
Go

// Copyright 2020 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 cc
import (
"android/soong/android"
)
var (
headerExts = []string{".h", ".hh", ".hpp", ".hxx", ".h++", ".inl", ".inc", ".ipp", ".h.generic"}
)
type snapshotLibraryInterface interface {
exportedFlagsProducer
libraryInterface
collectHeadersForSnapshot(ctx android.ModuleContext)
snapshotHeaders() android.Paths
}
var _ snapshotLibraryInterface = (*prebuiltLibraryLinker)(nil)
var _ snapshotLibraryInterface = (*libraryDecorator)(nil)
type snapshotMap struct {
snapshots map[string]string
}
func newSnapshotMap() *snapshotMap {
return &snapshotMap{
snapshots: make(map[string]string),
}
}
func snapshotMapKey(name string, arch android.ArchType) string {
return name + ":" + arch.String()
}
// Adds a snapshot name for given module name and architecture.
// e.g. add("libbase", X86, "libbase.vndk.29.x86")
func (s *snapshotMap) add(name string, arch android.ArchType, snapshot string) {
s.snapshots[snapshotMapKey(name, arch)] = snapshot
}
// Returns snapshot name for given module name and architecture, if found.
// e.g. get("libcutils", X86) => "libcutils.vndk.29.x86", true
func (s *snapshotMap) get(name string, arch android.ArchType) (snapshot string, found bool) {
snapshot, found = s.snapshots[snapshotMapKey(name, arch)]
return snapshot, found
}
func isSnapshotAware(ctx android.ModuleContext, m *Module) bool {
if _, _, ok := isVndkSnapshotLibrary(ctx.DeviceConfig(), m); ok {
return ctx.Config().VndkSnapshotBuildArtifacts()
} else if isVendorSnapshotModule(m, ctx.ModuleDir()) {
return true
}
return false
}
func copyFile(ctx android.SingletonContext, path android.Path, out string) android.OutputPath {
outPath := android.PathForOutput(ctx, out)
ctx.Build(pctx, android.BuildParams{
Rule: android.Cp,
Input: path,
Output: outPath,
Description: "Cp " + out,
Args: map[string]string{
"cpFlags": "-f -L",
},
})
return outPath
}
func writeStringToFile(ctx android.SingletonContext, content, out string) android.OutputPath {
outPath := android.PathForOutput(ctx, out)
ctx.Build(pctx, android.BuildParams{
Rule: android.WriteFile,
Output: outPath,
Description: "WriteFile " + out,
Args: map[string]string{
"content": content,
},
})
return outPath
}