syzkaller/sys/syz-extract/freebsd.go
Dmitry Vyukov 8742a2b9db sys/syz-extract: run mrproper for all linux arches
We only run for the current arch, but it's not enough
to clean a build for another arch.
Run mrproper for all non-clean arches.
2020-05-09 16:08:22 +02:00

65 lines
1.8 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"
"os"
"path/filepath"
"strings"
"github.com/google/syzkaller/pkg/compiler"
)
type freebsd struct{}
func (*freebsd) 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)")
}
if !build {
return fmt.Errorf("freebsd requires -build flag")
}
return nil
}
func (*freebsd) prepareArch(arch *Arch) error {
if err := os.Symlink(filepath.Join(arch.sourceDir, "sys", "amd64", "include"),
filepath.Join(arch.buildDir, "machine")); err != nil {
return fmt.Errorf("failed to create link: %v", err)
}
if err := os.Symlink(filepath.Join(arch.sourceDir, "sys", "x86", "include"),
filepath.Join(arch.buildDir, "x86")); err != nil {
return fmt.Errorf("failed to create link: %v", err)
}
return nil
}
func (*freebsd) processFile(arch *Arch, info *compiler.ConstInfo) (map[string]uint64, map[string]bool, error) {
args := []string{
"-fmessage-length=0",
"-nostdinc",
"-DGENOFFSET",
"-D_KERNEL",
"-D__BSD_VISIBLE=1",
"-I", filepath.Join(arch.sourceDir, "sys"),
"-I", filepath.Join(arch.sourceDir, "sys", "sys"),
"-I", filepath.Join(arch.sourceDir, "sys", "amd64"),
"-I", arch.buildDir,
}
for _, incdir := range info.Incdirs {
args = append(args, "-I"+filepath.Join(arch.sourceDir, incdir))
}
if arch.includeDirs != "" {
for _, dir := range strings.Split(arch.includeDirs, ",") {
args = append(args, "-I"+dir)
}
}
params := &extractParams{
AddSource: "#include <sys/syscall.h>",
DeclarePrintf: true,
}
return extract(info, "gcc", args, params)
}