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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 (
"android/soong/android"
"android/soong/cc"
"android/soong/rust/config"
)
func init() {
android.RegisterModuleType("rust_fuzz", RustFuzzFactory)
}
type fuzzDecorator struct {
*binaryDecorator
Properties cc.FuzzProperties
dictionary android.Path
corpus android.Paths
corpusIntermediateDir android.Path
config android.Path
data android.Paths
dataIntermediateDir android.Path
}
var _ compiler = (*binaryDecorator)(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`)
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.Properties)
}
func (fuzzer *fuzzDecorator) stdLinkage(ctx *depsContext) RustLinkage {
return RlibLinkage
}
func (fuzzer *fuzzDecorator) autoDep(ctx android.BottomUpMutatorContext) autoDep {
return rlibAutoDep
}
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