387 lines
11 KiB
Go
387 lines
11 KiB
Go
// Copyright 2016 Google Inc. All rights reserved.
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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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import (
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"android/soong/android"
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)
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func init() {
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RegisterPrebuiltBuildComponents(android.InitRegistrationContext)
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}
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func RegisterPrebuiltBuildComponents(ctx android.RegistrationContext) {
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ctx.RegisterModuleType("cc_prebuilt_library", PrebuiltLibraryFactory)
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ctx.RegisterModuleType("cc_prebuilt_library_shared", PrebuiltSharedLibraryFactory)
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ctx.RegisterModuleType("cc_prebuilt_library_static", PrebuiltStaticLibraryFactory)
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ctx.RegisterModuleType("cc_prebuilt_test_library_shared", PrebuiltSharedTestLibraryFactory)
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ctx.RegisterModuleType("cc_prebuilt_object", prebuiltObjectFactory)
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ctx.RegisterModuleType("cc_prebuilt_binary", prebuiltBinaryFactory)
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}
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type prebuiltLinkerInterface interface {
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Name(string) string
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prebuilt() *android.Prebuilt
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}
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type prebuiltLinkerProperties struct {
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// a prebuilt library or binary. Can reference a genrule module that generates an executable file.
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Srcs []string `android:"path,arch_variant"`
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// Check the prebuilt ELF files (e.g. DT_SONAME, DT_NEEDED, resolution of undefined
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// symbols, etc), default true.
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Check_elf_files *bool
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// Optionally provide an import library if this is a Windows PE DLL prebuilt.
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// This is needed only if this library is linked by other modules in build time.
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// Only makes sense for the Windows target.
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Windows_import_lib *string `android:"path,arch_variant"`
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}
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type prebuiltLinker struct {
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android.Prebuilt
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properties prebuiltLinkerProperties
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}
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func (p *prebuiltLinker) prebuilt() *android.Prebuilt {
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return &p.Prebuilt
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}
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func (p *prebuiltLinker) PrebuiltSrcs() []string {
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return p.properties.Srcs
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}
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type prebuiltLibraryInterface interface {
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libraryInterface
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prebuiltLinkerInterface
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disablePrebuilt()
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}
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type prebuiltLibraryLinker struct {
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*libraryDecorator
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prebuiltLinker
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}
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var _ prebuiltLinkerInterface = (*prebuiltLibraryLinker)(nil)
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var _ prebuiltLibraryInterface = (*prebuiltLibraryLinker)(nil)
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func (p *prebuiltLibraryLinker) linkerInit(ctx BaseModuleContext) {}
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func (p *prebuiltLibraryLinker) linkerDeps(ctx DepsContext, deps Deps) Deps {
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return p.libraryDecorator.linkerDeps(ctx, deps)
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}
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func (p *prebuiltLibraryLinker) linkerFlags(ctx ModuleContext, flags Flags) Flags {
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return flags
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}
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func (p *prebuiltLibraryLinker) linkerProps() []interface{} {
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return p.libraryDecorator.linkerProps()
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}
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func (p *prebuiltLibraryLinker) link(ctx ModuleContext,
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flags Flags, deps PathDeps, objs Objects) android.Path {
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p.libraryDecorator.exportIncludes(ctx)
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p.libraryDecorator.reexportDirs(deps.ReexportedDirs...)
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p.libraryDecorator.reexportSystemDirs(deps.ReexportedSystemDirs...)
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p.libraryDecorator.reexportFlags(deps.ReexportedFlags...)
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p.libraryDecorator.reexportDeps(deps.ReexportedDeps...)
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p.libraryDecorator.addExportedGeneratedHeaders(deps.ReexportedGeneratedHeaders...)
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// TODO(ccross): verify shared library dependencies
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srcs := p.prebuiltSrcs()
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if len(srcs) > 0 {
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builderFlags := flagsToBuilderFlags(flags)
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if len(srcs) > 1 {
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ctx.PropertyErrorf("srcs", "multiple prebuilt source files")
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return nil
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}
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in := android.PathForModuleSrc(ctx, srcs[0])
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if p.static() {
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return in
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}
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if p.shared() {
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p.unstrippedOutputFile = in
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libName := p.libraryDecorator.getLibName(ctx) + flags.Toolchain.ShlibSuffix()
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outputFile := android.PathForModuleOut(ctx, libName)
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var implicits android.Paths
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if p.needsStrip(ctx) {
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stripped := android.PathForModuleOut(ctx, "stripped", libName)
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p.stripExecutableOrSharedLib(ctx, in, stripped, builderFlags)
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in = stripped
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}
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// Optimize out relinking against shared libraries whose interface hasn't changed by
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// depending on a table of contents file instead of the library itself.
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tocFile := android.PathForModuleOut(ctx, libName+".toc")
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p.tocFile = android.OptionalPathForPath(tocFile)
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TransformSharedObjectToToc(ctx, outputFile, tocFile, builderFlags)
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if ctx.Windows() && p.properties.Windows_import_lib != nil {
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// Consumers of this library actually links to the import library in build
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// time and dynamically links to the DLL in run time. i.e.
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// a.exe <-- static link --> foo.lib <-- dynamic link --> foo.dll
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importLibSrc := android.PathForModuleSrc(ctx, String(p.properties.Windows_import_lib))
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importLibName := p.libraryDecorator.getLibName(ctx) + ".lib"
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importLibOutputFile := android.PathForModuleOut(ctx, importLibName)
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implicits = append(implicits, importLibOutputFile)
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ctx.Build(pctx, android.BuildParams{
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Rule: android.Cp,
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Description: "prebuilt import library",
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Input: importLibSrc,
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Output: importLibOutputFile,
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Args: map[string]string{
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"cpFlags": "-L",
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},
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})
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: android.Cp,
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Description: "prebuilt shared library",
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Implicits: implicits,
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Input: in,
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Output: outputFile,
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Args: map[string]string{
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"cpFlags": "-L",
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},
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})
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return outputFile
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}
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}
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return nil
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}
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func (p *prebuiltLibraryLinker) prebuiltSrcs() []string {
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srcs := p.properties.Srcs
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if p.static() {
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srcs = append(srcs, p.libraryDecorator.StaticProperties.Static.Srcs...)
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}
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if p.shared() {
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srcs = append(srcs, p.libraryDecorator.SharedProperties.Shared.Srcs...)
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}
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return srcs
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}
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func (p *prebuiltLibraryLinker) shared() bool {
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return p.libraryDecorator.shared()
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}
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func (p *prebuiltLibraryLinker) nativeCoverage() bool {
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return false
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}
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func (p *prebuiltLibraryLinker) disablePrebuilt() {
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p.properties.Srcs = nil
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}
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func NewPrebuiltLibrary(hod android.HostOrDeviceSupported) (*Module, *libraryDecorator) {
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module, library := NewLibrary(hod)
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module.compiler = nil
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prebuilt := &prebuiltLibraryLinker{
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libraryDecorator: library,
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}
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module.linker = prebuilt
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module.AddProperties(&prebuilt.properties)
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srcsSupplier := func() []string {
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return prebuilt.prebuiltSrcs()
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}
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android.InitPrebuiltModuleWithSrcSupplier(module, srcsSupplier, "srcs")
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// Prebuilt libraries can be used in SDKs.
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android.InitSdkAwareModule(module)
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return module, library
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}
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// cc_prebuilt_library installs a precompiled shared library that are
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// listed in the srcs property in the device's directory.
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func PrebuiltLibraryFactory() android.Module {
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module, _ := NewPrebuiltLibrary(android.HostAndDeviceSupported)
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// Prebuilt shared libraries can be included in APEXes
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android.InitApexModule(module)
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return module.Init()
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}
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// cc_prebuilt_library_shared installs a precompiled shared library that are
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// listed in the srcs property in the device's directory.
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func PrebuiltSharedLibraryFactory() android.Module {
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module, _ := NewPrebuiltSharedLibrary(android.HostAndDeviceSupported)
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return module.Init()
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}
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// cc_prebuilt_test_library_shared installs a precompiled shared library
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// to be used as a data dependency of a test-related module (such as cc_test, or
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// cc_test_library).
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func PrebuiltSharedTestLibraryFactory() android.Module {
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module, library := NewPrebuiltLibrary(android.HostAndDeviceSupported)
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library.BuildOnlyShared()
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library.baseInstaller = NewTestInstaller()
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return module.Init()
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}
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func NewPrebuiltSharedLibrary(hod android.HostOrDeviceSupported) (*Module, *libraryDecorator) {
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module, library := NewPrebuiltLibrary(hod)
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library.BuildOnlyShared()
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// Prebuilt shared libraries can be included in APEXes
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android.InitApexModule(module)
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return module, library
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}
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// cc_prebuilt_library_static installs a precompiled static library that are
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// listed in the srcs property in the device's directory.
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func PrebuiltStaticLibraryFactory() android.Module {
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module, _ := NewPrebuiltStaticLibrary(android.HostAndDeviceSupported)
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return module.Init()
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}
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func NewPrebuiltStaticLibrary(hod android.HostOrDeviceSupported) (*Module, *libraryDecorator) {
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module, library := NewPrebuiltLibrary(hod)
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library.BuildOnlyStatic()
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return module, library
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}
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type prebuiltObjectProperties struct {
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Srcs []string `android:"path,arch_variant"`
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}
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type prebuiltObjectLinker struct {
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android.Prebuilt
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objectLinker
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properties prebuiltObjectProperties
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}
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func (p *prebuiltObjectLinker) prebuilt() *android.Prebuilt {
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return &p.Prebuilt
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}
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var _ prebuiltLinkerInterface = (*prebuiltObjectLinker)(nil)
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func (p *prebuiltObjectLinker) link(ctx ModuleContext,
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flags Flags, deps PathDeps, objs Objects) android.Path {
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if len(p.properties.Srcs) > 0 {
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return p.Prebuilt.SingleSourcePath(ctx)
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}
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return nil
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}
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func (p *prebuiltObjectLinker) object() bool {
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return true
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}
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func newPrebuiltObject() *Module {
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module := newObject()
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prebuilt := &prebuiltObjectLinker{
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objectLinker: objectLinker{
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baseLinker: NewBaseLinker(nil),
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},
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}
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module.linker = prebuilt
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module.AddProperties(&prebuilt.properties)
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android.InitPrebuiltModule(module, &prebuilt.properties.Srcs)
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android.InitSdkAwareModule(module)
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return module
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}
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func prebuiltObjectFactory() android.Module {
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module := newPrebuiltObject()
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return module.Init()
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}
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type prebuiltBinaryLinker struct {
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*binaryDecorator
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prebuiltLinker
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}
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var _ prebuiltLinkerInterface = (*prebuiltBinaryLinker)(nil)
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func (p *prebuiltBinaryLinker) link(ctx ModuleContext,
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flags Flags, deps PathDeps, objs Objects) android.Path {
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// TODO(ccross): verify shared library dependencies
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if len(p.properties.Srcs) > 0 {
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builderFlags := flagsToBuilderFlags(flags)
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fileName := p.getStem(ctx) + flags.Toolchain.ExecutableSuffix()
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in := p.Prebuilt.SingleSourcePath(ctx)
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p.unstrippedOutputFile = in
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if p.needsStrip(ctx) {
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stripped := android.PathForModuleOut(ctx, "stripped", fileName)
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p.stripExecutableOrSharedLib(ctx, in, stripped, builderFlags)
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in = stripped
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}
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// Copy binaries to a name matching the final installed name
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outputFile := android.PathForModuleOut(ctx, fileName)
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ctx.Build(pctx, android.BuildParams{
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Rule: android.CpExecutable,
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Description: "prebuilt",
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Output: outputFile,
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Input: in,
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})
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return outputFile
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}
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return nil
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}
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func (p *prebuiltBinaryLinker) binary() bool {
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return true
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}
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// cc_prebuilt_binary installs a precompiled executable in srcs property in the
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// device's directory.
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func prebuiltBinaryFactory() android.Module {
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module, _ := NewPrebuiltBinary(android.HostAndDeviceSupported)
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return module.Init()
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}
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func NewPrebuiltBinary(hod android.HostOrDeviceSupported) (*Module, *binaryDecorator) {
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module, binary := NewBinary(hod)
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module.compiler = nil
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prebuilt := &prebuiltBinaryLinker{
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binaryDecorator: binary,
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}
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module.linker = prebuilt
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module.AddProperties(&prebuilt.properties)
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android.InitPrebuiltModule(module, &prebuilt.properties.Srcs)
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return module, binary
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}
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