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- // 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 rust
- import (
- "path/filepath"
- "android/soong/android"
- "android/soong/cc"
- "android/soong/fuzz"
- "android/soong/rust/config"
- )
- func init() {
- android.RegisterModuleType("rust_fuzz", RustFuzzFactory)
- }
- type fuzzDecorator struct {
- *binaryDecorator
- fuzzPackagedModule fuzz.FuzzPackagedModule
- sharedLibraries android.RuleBuilderInstalls
- installedSharedDeps []string
- }
- var _ compiler = (*fuzzDecorator)(nil)
- // rust_binary produces a binary that is runnable on a device.
- func RustFuzzFactory() android.Module {
- module, _ := NewRustFuzz(android.HostAndDeviceSupported)
- return module.Init()
- }
- func NewRustFuzz(hod android.HostOrDeviceSupported) (*Module, *fuzzDecorator) {
- module, binary := NewRustBinary(hod)
- fuzz := &fuzzDecorator{
- binaryDecorator: binary,
- }
- // Change the defaults for the binaryDecorator's baseCompiler
- fuzz.binaryDecorator.baseCompiler.dir = "fuzz"
- fuzz.binaryDecorator.baseCompiler.dir64 = "fuzz"
- fuzz.binaryDecorator.baseCompiler.location = InstallInData
- module.sanitize.SetSanitizer(cc.Fuzzer, true)
- module.compiler = fuzz
- return module, fuzz
- }
- func (fuzzer *fuzzDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {
- flags = fuzzer.binaryDecorator.compilerFlags(ctx, flags)
- // `../lib` for installed fuzz targets (both host and device), and `./lib` for fuzz target packages.
- flags.LinkFlags = append(flags.LinkFlags, `-Wl,-rpath,\$$ORIGIN/lib`)
- if ctx.InstallInVendor() {
- flags.LinkFlags = append(flags.LinkFlags, `-Wl,-rpath,\$$ORIGIN/../../lib`)
- } else {
- flags.LinkFlags = append(flags.LinkFlags, `-Wl,-rpath,\$$ORIGIN/../lib`)
- }
- return flags
- }
- func (fuzzer *fuzzDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps {
- if libFuzzerRuntimeLibrary := config.LibFuzzerRuntimeLibrary(ctx.toolchain()); libFuzzerRuntimeLibrary != "" {
- deps.StaticLibs = append(deps.StaticLibs, libFuzzerRuntimeLibrary)
- }
- deps.SharedLibs = append(deps.SharedLibs, "libc++")
- deps.Rlibs = append(deps.Rlibs, "liblibfuzzer_sys")
- deps = fuzzer.binaryDecorator.compilerDeps(ctx, deps)
- return deps
- }
- func (fuzzer *fuzzDecorator) compilerProps() []interface{} {
- return append(fuzzer.binaryDecorator.compilerProps(),
- &fuzzer.fuzzPackagedModule.FuzzProperties)
- }
- func (fuzzer *fuzzDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) buildOutput {
- out := fuzzer.binaryDecorator.compile(ctx, flags, deps)
- return out
- }
- func (fuzzer *fuzzDecorator) stdLinkage(ctx *depsContext) RustLinkage {
- return RlibLinkage
- }
- func (fuzzer *fuzzDecorator) autoDep(ctx android.BottomUpMutatorContext) autoDep {
- return rlibAutoDep
- }
- func (fuzz *fuzzDecorator) install(ctx ModuleContext) {
- fuzz.binaryDecorator.baseCompiler.dir = filepath.Join(
- "fuzz", ctx.Target().Arch.ArchType.String(), ctx.ModuleName())
- fuzz.binaryDecorator.baseCompiler.dir64 = filepath.Join(
- "fuzz", ctx.Target().Arch.ArchType.String(), ctx.ModuleName())
- fuzz.binaryDecorator.baseCompiler.install(ctx)
- fuzz.fuzzPackagedModule = cc.PackageFuzzModule(ctx, fuzz.fuzzPackagedModule, pctx)
- installBase := "fuzz"
- // Grab the list of required shared libraries.
- fuzz.sharedLibraries, _ = cc.CollectAllSharedDependencies(ctx)
- for _, ruleBuilderInstall := range fuzz.sharedLibraries {
- install := ruleBuilderInstall.To
- fuzz.installedSharedDeps = append(fuzz.installedSharedDeps,
- cc.SharedLibraryInstallLocation(
- install, ctx.Host(), installBase, ctx.Arch().ArchType.String()))
- // Also add the dependency on the shared library symbols dir.
- if !ctx.Host() {
- fuzz.installedSharedDeps = append(fuzz.installedSharedDeps,
- cc.SharedLibrarySymbolsInstallLocation(install, installBase, ctx.Arch().ArchType.String()))
- }
- }
- }
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