3 files changed, 206 insertions, 103 deletions
diff --git a/pkg/sentry/fs/tty/BUILD b/pkg/sentry/fs/tty/BUILD
deleted file mode 100644
index 291164986..000000000
--- a/pkg/sentry/fs/tty/BUILD
+++ /dev/null
@@ -1,47 +0,0 @@
-package(licenses = ["notice"])
-
-load("//tools/go_stateify:defs.bzl", "go_library", "go_test")
-
-go_library(
-    name = "tty",
-    srcs = [
-        "dir.go",
-        "fs.go",
-        "line_discipline.go",
-        "master.go",
-        "queue.go",
-        "slave.go",
-        "terminal.go",
-    ],
-    importpath = "gvisor.dev/gvisor/pkg/sentry/fs/tty",
-    visibility = ["//pkg/sentry:internal"],
-    deps = [
-        "//pkg/abi/linux",
-        "//pkg/refs",
-        "//pkg/sentry/arch",
-        "//pkg/sentry/context",
-        "//pkg/sentry/device",
-        "//pkg/sentry/fs",
-        "//pkg/sentry/fs/fsutil",
-        "//pkg/sentry/kernel",
-        "//pkg/sentry/kernel/auth",
-        "//pkg/sentry/safemem",
-        "//pkg/sentry/socket/unix/transport",
-        "//pkg/sentry/unimpl",
-        "//pkg/sentry/usermem",
-        "//pkg/syserror",
-        "//pkg/waiter",
-    ],
-)
-
-go_test(
-    name = "tty_test",
-    size = "small",
-    srcs = ["tty_test.go"],
-    embed = [":tty"],
-    deps = [
-        "//pkg/abi/linux",
-        "//pkg/sentry/context/contexttest",
-        "//pkg/sentry/usermem",
-    ],
-)
diff --git a/pkg/sentry/fs/tty/tty_state_autogen.go b/pkg/sentry/fs/tty/tty_state_autogen.go
new file mode 100755
index 000000000..c54600104
--- /dev/null
+++ b/pkg/sentry/fs/tty/tty_state_autogen.go
@@ -0,0 +1,206 @@
+// automatically generated by stateify.
+
+package tty
+
+import (
+	"gvisor.dev/gvisor/pkg/state"
+)
+
+func (x *dirInodeOperations) beforeSave() {}
+func (x *dirInodeOperations) save(m state.Map) {
+	x.beforeSave()
+	m.Save("InodeSimpleAttributes", &x.InodeSimpleAttributes)
+	m.Save("msrc", &x.msrc)
+	m.Save("master", &x.master)
+	m.Save("slaves", &x.slaves)
+	m.Save("dentryMap", &x.dentryMap)
+	m.Save("next", &x.next)
+}
+
+func (x *dirInodeOperations) afterLoad() {}
+func (x *dirInodeOperations) load(m state.Map) {
+	m.Load("InodeSimpleAttributes", &x.InodeSimpleAttributes)
+	m.Load("msrc", &x.msrc)
+	m.Load("master", &x.master)
+	m.Load("slaves", &x.slaves)
+	m.Load("dentryMap", &x.dentryMap)
+	m.Load("next", &x.next)
+}
+
+func (x *dirFileOperations) beforeSave() {}
+func (x *dirFileOperations) save(m state.Map) {
+	x.beforeSave()
+	m.Save("di", &x.di)
+	m.Save("dirCursor", &x.dirCursor)
+}
+
+func (x *dirFileOperations) afterLoad() {}
+func (x *dirFileOperations) load(m state.Map) {
+	m.Load("di", &x.di)
+	m.Load("dirCursor", &x.dirCursor)
+}
+
+func (x *filesystem) beforeSave() {}
+func (x *filesystem) save(m state.Map) {
+	x.beforeSave()
+}
+
+func (x *filesystem) afterLoad() {}
+func (x *filesystem) load(m state.Map) {
+}
+
+func (x *superOperations) beforeSave() {}
+func (x *superOperations) save(m state.Map) {
+	x.beforeSave()
+}
+
+func (x *superOperations) afterLoad() {}
+func (x *superOperations) load(m state.Map) {
+}
+
+func (x *lineDiscipline) beforeSave() {}
+func (x *lineDiscipline) save(m state.Map) {
+	x.beforeSave()
+	if !state.IsZeroValue(x.masterWaiter) { m.Failf("masterWaiter is %v, expected zero", x.masterWaiter) }
+	if !state.IsZeroValue(x.slaveWaiter) { m.Failf("slaveWaiter is %v, expected zero", x.slaveWaiter) }
+	m.Save("size", &x.size)
+	m.Save("inQueue", &x.inQueue)
+	m.Save("outQueue", &x.outQueue)
+	m.Save("termios", &x.termios)
+	m.Save("column", &x.column)
+}
+
+func (x *lineDiscipline) afterLoad() {}
+func (x *lineDiscipline) load(m state.Map) {
+	m.Load("size", &x.size)
+	m.Load("inQueue", &x.inQueue)
+	m.Load("outQueue", &x.outQueue)
+	m.Load("termios", &x.termios)
+	m.Load("column", &x.column)
+}
+
+func (x *outputQueueTransformer) beforeSave() {}
+func (x *outputQueueTransformer) save(m state.Map) {
+	x.beforeSave()
+}
+
+func (x *outputQueueTransformer) afterLoad() {}
+func (x *outputQueueTransformer) load(m state.Map) {
+}
+
+func (x *inputQueueTransformer) beforeSave() {}
+func (x *inputQueueTransformer) save(m state.Map) {
+	x.beforeSave()
+}
+
+func (x *inputQueueTransformer) afterLoad() {}
+func (x *inputQueueTransformer) load(m state.Map) {
+}
+
+func (x *masterInodeOperations) beforeSave() {}
+func (x *masterInodeOperations) save(m state.Map) {
+	x.beforeSave()
+	m.Save("SimpleFileInode", &x.SimpleFileInode)
+	m.Save("d", &x.d)
+}
+
+func (x *masterInodeOperations) afterLoad() {}
+func (x *masterInodeOperations) load(m state.Map) {
+	m.Load("SimpleFileInode", &x.SimpleFileInode)
+	m.Load("d", &x.d)
+}
+
+func (x *masterFileOperations) beforeSave() {}
+func (x *masterFileOperations) save(m state.Map) {
+	x.beforeSave()
+	m.Save("d", &x.d)
+	m.Save("t", &x.t)
+}
+
+func (x *masterFileOperations) afterLoad() {}
+func (x *masterFileOperations) load(m state.Map) {
+	m.Load("d", &x.d)
+	m.Load("t", &x.t)
+}
+
+func (x *queue) beforeSave() {}
+func (x *queue) save(m state.Map) {
+	x.beforeSave()
+	m.Save("readBuf", &x.readBuf)
+	m.Save("waitBuf", &x.waitBuf)
+	m.Save("waitBufLen", &x.waitBufLen)
+	m.Save("readable", &x.readable)
+	m.Save("transformer", &x.transformer)
+}
+
+func (x *queue) afterLoad() {}
+func (x *queue) load(m state.Map) {
+	m.Load("readBuf", &x.readBuf)
+	m.Load("waitBuf", &x.waitBuf)
+	m.Load("waitBufLen", &x.waitBufLen)
+	m.Load("readable", &x.readable)
+	m.Load("transformer", &x.transformer)
+}
+
+func (x *slaveInodeOperations) beforeSave() {}
+func (x *slaveInodeOperations) save(m state.Map) {
+	x.beforeSave()
+	m.Save("SimpleFileInode", &x.SimpleFileInode)
+	m.Save("d", &x.d)
+	m.Save("t", &x.t)
+}
+
+func (x *slaveInodeOperations) afterLoad() {}
+func (x *slaveInodeOperations) load(m state.Map) {
+	m.Load("SimpleFileInode", &x.SimpleFileInode)
+	m.Load("d", &x.d)
+	m.Load("t", &x.t)
+}
+
+func (x *slaveFileOperations) beforeSave() {}
+func (x *slaveFileOperations) save(m state.Map) {
+	x.beforeSave()
+	m.Save("si", &x.si)
+}
+
+func (x *slaveFileOperations) afterLoad() {}
+func (x *slaveFileOperations) load(m state.Map) {
+	m.Load("si", &x.si)
+}
+
+func (x *Terminal) beforeSave() {}
+func (x *Terminal) save(m state.Map) {
+	x.beforeSave()
+	m.Save("AtomicRefCount", &x.AtomicRefCount)
+	m.Save("n", &x.n)
+	m.Save("d", &x.d)
+	m.Save("ld", &x.ld)
+	m.Save("masterKTTY", &x.masterKTTY)
+	m.Save("slaveKTTY", &x.slaveKTTY)
+}
+
+func (x *Terminal) afterLoad() {}
+func (x *Terminal) load(m state.Map) {
+	m.Load("AtomicRefCount", &x.AtomicRefCount)
+	m.Load("n", &x.n)
+	m.Load("d", &x.d)
+	m.Load("ld", &x.ld)
+	m.Load("masterKTTY", &x.masterKTTY)
+	m.Load("slaveKTTY", &x.slaveKTTY)
+}
+
+func init() {
+	state.Register("tty.dirInodeOperations", (*dirInodeOperations)(nil), state.Fns{Save: (*dirInodeOperations).save, Load: (*dirInodeOperations).load})
+	state.Register("tty.dirFileOperations", (*dirFileOperations)(nil), state.Fns{Save: (*dirFileOperations).save, Load: (*dirFileOperations).load})
+	state.Register("tty.filesystem", (*filesystem)(nil), state.Fns{Save: (*filesystem).save, Load: (*filesystem).load})
+	state.Register("tty.superOperations", (*superOperations)(nil), state.Fns{Save: (*superOperations).save, Load: (*superOperations).load})
+	state.Register("tty.lineDiscipline", (*lineDiscipline)(nil), state.Fns{Save: (*lineDiscipline).save, Load: (*lineDiscipline).load})
+	state.Register("tty.outputQueueTransformer", (*outputQueueTransformer)(nil), state.Fns{Save: (*outputQueueTransformer).save, Load: (*outputQueueTransformer).load})
+	state.Register("tty.inputQueueTransformer", (*inputQueueTransformer)(nil), state.Fns{Save: (*inputQueueTransformer).save, Load: (*inputQueueTransformer).load})
+	state.Register("tty.masterInodeOperations", (*masterInodeOperations)(nil), state.Fns{Save: (*masterInodeOperations).save, Load: (*masterInodeOperations).load})
+	state.Register("tty.masterFileOperations", (*masterFileOperations)(nil), state.Fns{Save: (*masterFileOperations).save, Load: (*masterFileOperations).load})
+	state.Register("tty.queue", (*queue)(nil), state.Fns{Save: (*queue).save, Load: (*queue).load})
+	state.Register("tty.slaveInodeOperations", (*slaveInodeOperations)(nil), state.Fns{Save: (*slaveInodeOperations).save, Load: (*slaveInodeOperations).load})
+	state.Register("tty.slaveFileOperations", (*slaveFileOperations)(nil), state.Fns{Save: (*slaveFileOperations).save, Load: (*slaveFileOperations).load})
+	state.Register("tty.Terminal", (*Terminal)(nil), state.Fns{Save: (*Terminal).save, Load: (*Terminal).load})
+}
diff --git a/pkg/sentry/fs/tty/tty_test.go b/pkg/sentry/fs/tty/tty_test.go
deleted file mode 100644
index 59f07ff8e..000000000
--- a/pkg/sentry/fs/tty/tty_test.go
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// 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 tty
-
-import (
-	"testing"
-
-	"gvisor.dev/gvisor/pkg/abi/linux"
-	"gvisor.dev/gvisor/pkg/sentry/context/contexttest"
-	"gvisor.dev/gvisor/pkg/sentry/usermem"
-)
-
-func TestSimpleMasterToSlave(t *testing.T) {
-	ld := newLineDiscipline(linux.DefaultSlaveTermios)
-	ctx := contexttest.Context(t)
-	inBytes := []byte("hello, tty\n")
-	src := usermem.BytesIOSequence(inBytes)
-	outBytes := make([]byte, 32)
-	dst := usermem.BytesIOSequence(outBytes)
-
-	// Write to the input queue.
-	nw, err := ld.inputQueueWrite(ctx, src)
-	if err != nil {
-		t.Fatalf("error writing to input queue: %v", err)
-	}
-	if nw != int64(len(inBytes)) {
-		t.Fatalf("wrote wrong length: got %d, want %d", nw, len(inBytes))
-	}
-
-	// Read from the input queue.
-	nr, err := ld.inputQueueRead(ctx, dst)
-	if err != nil {
-		t.Fatalf("error reading from input queue: %v", err)
-	}
-	if nr != int64(len(inBytes)) {
-		t.Fatalf("read wrong length: got %d, want %d", nr, len(inBytes))
-	}
-
-	outStr := string(outBytes[:nr])
-	inStr := string(inBytes)
-	if outStr != inStr {
-		t.Fatalf("written and read strings do not match: got %q, want %q", outStr, inStr)
-	}
-}