all: remove akaros support

Akaros support is unused, it was shutdown on syzbot for a while,
the akaros development seems to be frozen for years as well.
We have a bunch of hacks for Akaros since it supported
only super old gcc and haven't supported Go. Remove it.

2 files changed, 0 insertions, 46 deletions

diff --git a/sys/syz-extract/akaros.go b/sys/syz-extract/akaros.go
deleted file mode 100644
index 2c6bee2d1..000000000
--- a/sys/syz-extract/akaros.go
+++ /dev/null
@@ -1,45 +0,0 @@
-// 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 (
-	"path/filepath"
-	"strings"
-
-	"github.com/google/syzkaller/pkg/compiler"
-)
-
-type akaros struct{}
-
-func (*akaros) prepare(sourcedir string, build bool, arches []*Arch) error {
-	return nil
-}
-
-func (*akaros) prepareArch(arch *Arch) error {
-	return nil
-}
-
-func (*akaros) processFile(arch *Arch, info *compiler.ConstInfo) (map[string]uint64, map[string]bool, error) {
-	dir := arch.sourceDir
-	args := []string{
-		"-fmessage-length=0",
-		"-D__KERNEL__",
-		"-DROS_KERNEL",
-		"-I", filepath.Join(dir, "kern", "include"),
-		"-I", filepath.Join(dir, "user", "parlib", "include"),
-	}
-	for _, incdir := range info.Incdirs {
-		args = append(args, "-I"+filepath.Join(dir, incdir))
-	}
-	if arch.includeDirs != "" {
-		for _, dir := range strings.Split(arch.includeDirs, ",") {
-			args = append(args, "-I"+dir)
-		}
-	}
-	params := &extractParams{
-		DeclarePrintf: true,
-		TargetEndian:  arch.target.HostEndian,
-	}
-	return extract(info, "gcc", args, params)
-}
diff --git a/sys/syz-extract/extract.go b/sys/syz-extract/extract.go
index e391a6654..c0f61c793 100644
--- a/sys/syz-extract/extract.go
+++ b/sys/syz-extract/extract.go
@@ -57,7 +57,6 @@ type Extractor interface {
 }
 
 var extractors = map[string]Extractor{
-	targets.Akaros:  new(akaros),
 	targets.Linux:   new(linux),
 	targets.FreeBSD: new(freebsd),
 	targets.Darwin:  new(darwin),