blob: d0f4f207aa10895b207701624b335ea58e1551c3 [file] [log] [blame]
// 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"
"android/soong/android"
)
//
// Objects (for crt*.o)
//
func init() {
android.RegisterModuleType("cc_object", objectFactory)
}
type objectLinker struct {
*baseLinker
Properties ObjectLinkerProperties
}
func objectFactory() android.Module {
module := newBaseModule(android.HostAndDeviceSupported, android.MultilibBoth)
module.linker = &objectLinker{
baseLinker: NewBaseLinker(),
}
module.compiler = NewBaseCompiler()
return module.Init()
}
func (object *objectLinker) appendLdflags(flags []string) {
panic(fmt.Errorf("appendLdflags on objectLinker not supported"))
}
func (object *objectLinker) linkerProps() []interface{} {
return []interface{}{&object.Properties}
}
func (*objectLinker) linkerInit(ctx BaseModuleContext) {}
func (object *objectLinker) linkerDeps(ctx DepsContext, deps Deps) Deps {
if ctx.useVndk() && ctx.toolchain().Bionic() {
// Needed for VNDK builds where bionic headers aren't automatically added.
deps.LateSharedLibs = append(deps.LateSharedLibs, "libc")
}
deps.ObjFiles = append(deps.ObjFiles, object.Properties.Objs...)
return deps
}
func (*objectLinker) linkerFlags(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, objs Objects) android.Path {
objs = objs.Append(deps.Objs)
var outputFile android.Path
builderFlags := flagsToBuilderFlags(flags)
if len(objs.objFiles) == 1 {
outputFile = objs.objFiles[0]
if String(object.Properties.Prefix_symbols) != "" {
output := android.PathForModuleOut(ctx, ctx.ModuleName()+objectExtension)
TransformBinaryPrefixSymbols(ctx, String(object.Properties.Prefix_symbols), outputFile,
builderFlags, output)
outputFile = output
}
} else {
output := android.PathForModuleOut(ctx, ctx.ModuleName()+objectExtension)
outputFile = output
if String(object.Properties.Prefix_symbols) != "" {
input := android.PathForModuleOut(ctx, "unprefixed", ctx.ModuleName()+objectExtension)
TransformBinaryPrefixSymbols(ctx, String(object.Properties.Prefix_symbols), input,
builderFlags, output)
output = input
}
TransformObjsToObj(ctx, objs.objFiles, builderFlags, output)
}
ctx.CheckbuildFile(outputFile)
return outputFile
}