Initial prebuilt support
Support prebuilt shared libraries as an initial proof-of-concept of
prebuilts. Future changes will support binaries and static libraries,
and the ability to select which to use based on something besides
blueprint properties.
Test: TestPrebuilts run during m -j
Change-Id: I6e84da667e9005ae11844bad01d25cbe4ced1ce3
diff --git a/cc/prebuilt.go b/cc/prebuilt.go
new file mode 100644
index 0000000..55775b6
--- /dev/null
+++ b/cc/prebuilt.go
@@ -0,0 +1,72 @@
+// 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 (
+ "android/soong/android"
+
+ "github.com/google/blueprint"
+)
+
+func init() {
+ android.RegisterModuleType("cc_prebuilt_shared_library", prebuiltSharedLibraryFactory)
+}
+
+type prebuiltLinkerInterface interface {
+ Name(string) string
+ prebuilt() *android.Prebuilt
+}
+
+type prebuiltLibraryLinker struct {
+ *libraryDecorator
+ android.Prebuilt
+}
+
+var _ prebuiltLinkerInterface = (*prebuiltLibraryLinker)(nil)
+
+func (p *prebuiltLibraryLinker) prebuilt() *android.Prebuilt {
+ return &p.Prebuilt
+}
+
+func (p *prebuiltLibraryLinker) linkerProps() []interface{} {
+ props := p.libraryDecorator.linkerProps()
+ return append(props, &p.Prebuilt.Properties)
+}
+
+func (p *prebuiltLibraryLinker) link(ctx ModuleContext,
+ flags Flags, deps PathDeps, objFiles android.Paths) android.Path {
+ // TODO(ccross): verify shared library dependencies
+ if len(p.Prebuilt.Properties.Srcs) > 0 {
+ p.libraryDecorator.exportIncludes(ctx, "-I")
+ p.libraryDecorator.reexportFlags(deps.ReexportedFlags)
+ p.libraryDecorator.reexportDeps(deps.ReexportedFlagsDeps)
+ // TODO(ccross): .toc optimization, stripping, packing
+ return p.Prebuilt.Path(ctx)
+ }
+
+ return nil
+}
+
+func prebuiltSharedLibraryFactory() (blueprint.Module, []interface{}) {
+ module, library := NewLibrary(android.HostAndDeviceSupported, true, false)
+ module.compiler = nil
+
+ prebuilt := &prebuiltLibraryLinker{
+ libraryDecorator: library,
+ }
+ module.linker = prebuilt
+
+ return module.Init()
+}