/
freebsd.go
78 lines (69 loc) · 2.08 KB
/
freebsd.go
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// 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 !build {
return fmt.Errorf("freebsd requires -build flag")
}
return nil
}
func (*freebsd) prepareArch(arch *Arch) error {
archName := arch.target.Arch
// Use the the correct name for FreeBSD/i386
if archName == "386" {
archName = "i386"
}
if archName == "riscv64" {
archName = "riscv"
}
if err := os.Symlink(filepath.Join(arch.sourceDir, "sys", archName, "include"),
filepath.Join(arch.buildDir, "machine")); err != nil {
return fmt.Errorf("failed to create link: %w", 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: %w", 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",
"-DCOMPAT_FREEBSD13",
"-DCOMPAT_FREEBSD14",
"-I", filepath.Join(arch.sourceDir, "sys"),
"-I", filepath.Join(arch.sourceDir, "sys", "sys"),
"-I", filepath.Join(arch.sourceDir, "sys", "contrib", "ck", "include"),
"-I", filepath.Join(arch.sourceDir, "include"),
"-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)
}
}
args = append(args, arch.target.CFlags...)
params := &extractParams{
AddSource: "#include <sys/syscall.h>",
DeclarePrintf: true,
ExtractFromELF: true,
TargetEndian: arch.target.HostEndian,
}
cc := arch.target.CCompiler
return extract(info, cc, args, params)
}