syzkaller/sys/syz-extract/fuchsia.go
Matthew Dempsky 57a83e9453 sys/fuchsia: update "make extract" support code
FIDL fuzzing hasn't been working for a while, and it's further
bit-rotted as upstream FIDL functionality has continued to evolve.
This commit updates enough FIDL functionality to get a minimal FIDL
test case to work again.
2020-06-05 15:08:57 -03:00

50 lines
1.4 KiB
Go

// Copyright 2017 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package main
import (
"fmt"
"path/filepath"
"github.com/google/syzkaller/pkg/compiler"
"github.com/google/syzkaller/sys/fuchsia/layout"
)
type fuchsia struct{}
func (*fuchsia) prepare(sourcedir string, build bool, arches []*Arch) error {
if sourcedir == "" {
return fmt.Errorf("provide path to kernel checkout via -sourcedir flag (or make extract SOURCEDIR)")
}
return nil
}
func (*fuchsia) prepareArch(arch *Arch) error {
return nil
}
func (*fuchsia) processFile(arch *Arch, info *compiler.ConstInfo) (map[string]uint64, map[string]bool, error) {
srcDir := arch.sourceDir
outDir := filepath.Join(srcDir, "out", arch.target.KernelHeaderArch)
cc := filepath.Join(srcDir, "prebuilt/third_party/clang/linux-x64/bin/clang")
args := []string{
"-fmessage-length=0",
"-I", filepath.Join(outDir, "zircon_toolchain/obj/zircon/public/sysroot/sysroot/include"),
"-I", filepath.Join(outDir, "fidling/gen/zircon/vdso/zx"),
}
for _, fidlLib := range layout.AllFidlLibraries {
args = append(args, "-I", filepath.Join(outDir, fidlLib.PathToCompiledDir()))
}
for _, incdir := range info.Incdirs {
args = append(args, "-I", filepath.Join(srcDir, incdir))
}
params := &extractParams{
DeclarePrintf: true,
DefineGlibcUse: true,
}
return extract(info, cc, args, params)
}