Separate cc.go

Split cc.go into files per module type, plus files for the compiler,
linker, and installer stages.

Change-Id: Id44c03f42fcd180950ccd008d4de0c144ea3597b
diff --git a/cc/object.go b/cc/object.go
new file mode 100644
index 0000000..456e1bb
--- /dev/null
+++ b/cc/object.go
@@ -0,0 +1,90 @@
+// 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 (
+	"fmt"
+
+	"github.com/google/blueprint"
+
+	"android/soong"
+	"android/soong/android"
+)
+
+//
+// Objects (for crt*.o)
+//
+
+func init() {
+	soong.RegisterModuleType("cc_object", objectFactory)
+}
+
+type objectLinker struct {
+	Properties ObjectLinkerProperties
+}
+
+func objectFactory() (blueprint.Module, []interface{}) {
+	module := newBaseModule(android.DeviceSupported, android.MultilibBoth)
+	module.compiler = &baseCompiler{}
+	module.linker = &objectLinker{}
+	return module.Init()
+}
+
+func (object *objectLinker) appendLdflags(flags []string) {
+	panic(fmt.Errorf("appendLdflags on object Linker not supported"))
+}
+
+func (object *objectLinker) props() []interface{} {
+	return []interface{}{&object.Properties}
+}
+
+func (*objectLinker) begin(ctx BaseModuleContext) {}
+
+func (object *objectLinker) deps(ctx BaseModuleContext, deps Deps) Deps {
+	deps.ObjFiles = append(deps.ObjFiles, object.Properties.Objs...)
+	return deps
+}
+
+func (*objectLinker) flags(ctx ModuleContext, flags Flags) Flags {
+	if flags.Clang {
+		flags.LdFlags = append(flags.LdFlags, ctx.toolchain().ToolchainClangLdflags())
+	} else {
+		flags.LdFlags = append(flags.LdFlags, ctx.toolchain().ToolchainLdflags())
+	}
+
+	return flags
+}
+
+func (object *objectLinker) link(ctx ModuleContext,
+	flags Flags, deps PathDeps, objFiles android.Paths) android.Path {
+
+	objFiles = append(objFiles, deps.ObjFiles...)
+
+	var outputFile android.Path
+	if len(objFiles) == 1 {
+		outputFile = objFiles[0]
+	} else {
+		output := android.PathForModuleOut(ctx, ctx.ModuleName()+objectExtension)
+		TransformObjsToObj(ctx, objFiles, flagsToBuilderFlags(flags), output)
+		outputFile = output
+	}
+
+	ctx.CheckbuildFile(outputFile)
+	return outputFile
+}
+
+func (*objectLinker) installable() bool {
+	return false
+}