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-rw-r--r--pkg/abi/linux/BUILD81
-rwxr-xr-x[-rw-r--r--]pkg/abi/linux/epoll_amd64.go0
-rwxr-xr-x[-rw-r--r--]pkg/abi/linux/epoll_arm64.go0
-rwxr-xr-x[-rw-r--r--]pkg/abi/linux/file_amd64.go0
-rwxr-xr-x[-rw-r--r--]pkg/abi/linux/file_arm64.go0
-rwxr-xr-xpkg/abi/linux/linux_abi_autogen_unsafe.go240
-rwxr-xr-xpkg/abi/linux/linux_amd64_abi_autogen_unsafe.go215
-rwxr-xr-xpkg/abi/linux/linux_amd64_state_autogen.go5
-rwxr-xr-xpkg/abi/linux/linux_arm64_abi_autogen_unsafe.go219
-rwxr-xr-xpkg/abi/linux/linux_arm64_state_autogen.go5
-rwxr-xr-xpkg/abi/linux/linux_state_autogen.go68
-rw-r--r--pkg/abi/linux/netfilter_test.go45
-rwxr-xr-x[-rw-r--r--]pkg/abi/linux/rseq.go0
-rwxr-xr-x[-rw-r--r--]pkg/abi/linux/signalfd.go0
-rwxr-xr-x[-rw-r--r--]pkg/abi/linux/xattr.go0
15 files changed, 752 insertions, 126 deletions
diff --git a/pkg/abi/linux/BUILD b/pkg/abi/linux/BUILD
deleted file mode 100644
index a89f34d4b..000000000
--- a/pkg/abi/linux/BUILD
+++ /dev/null
@@ -1,81 +0,0 @@
-load("//tools:defs.bzl", "go_library", "go_test")
-
-# Package linux contains the constants and types needed to interface with a
-# Linux kernel. It should be used instead of syscall or golang.org/x/sys/unix
-# when the host OS may not be Linux.
-
-package(licenses = ["notice"])
-
-go_library(
- name = "linux",
- srcs = [
- "aio.go",
- "audit.go",
- "bpf.go",
- "capability.go",
- "clone.go",
- "dev.go",
- "elf.go",
- "epoll.go",
- "epoll_amd64.go",
- "epoll_arm64.go",
- "errors.go",
- "eventfd.go",
- "exec.go",
- "fcntl.go",
- "file.go",
- "file_amd64.go",
- "file_arm64.go",
- "fs.go",
- "futex.go",
- "inotify.go",
- "ioctl.go",
- "ip.go",
- "ipc.go",
- "limits.go",
- "linux.go",
- "mm.go",
- "netdevice.go",
- "netfilter.go",
- "netlink.go",
- "netlink_route.go",
- "poll.go",
- "prctl.go",
- "ptrace.go",
- "rseq.go",
- "rusage.go",
- "sched.go",
- "seccomp.go",
- "sem.go",
- "shm.go",
- "signal.go",
- "signalfd.go",
- "socket.go",
- "splice.go",
- "tcp.go",
- "time.go",
- "timer.go",
- "tty.go",
- "uio.go",
- "utsname.go",
- "wait.go",
- "xattr.go",
- ],
- marshal = True,
- visibility = ["//visibility:public"],
- deps = [
- "//pkg/abi",
- "//pkg/binary",
- "//pkg/bits",
- ],
-)
-
-go_test(
- name = "linux_test",
- size = "small",
- srcs = ["netfilter_test.go"],
- library = ":linux",
- deps = [
- "//pkg/binary",
- ],
-)
diff --git a/pkg/abi/linux/epoll_amd64.go b/pkg/abi/linux/epoll_amd64.go
index 57041491c..57041491c 100644..100755
--- a/pkg/abi/linux/epoll_amd64.go
+++ b/pkg/abi/linux/epoll_amd64.go
diff --git a/pkg/abi/linux/epoll_arm64.go b/pkg/abi/linux/epoll_arm64.go
index 62ef5821e..62ef5821e 100644..100755
--- a/pkg/abi/linux/epoll_arm64.go
+++ b/pkg/abi/linux/epoll_arm64.go
diff --git a/pkg/abi/linux/file_amd64.go b/pkg/abi/linux/file_amd64.go
index 6b72364ea..6b72364ea 100644..100755
--- a/pkg/abi/linux/file_amd64.go
+++ b/pkg/abi/linux/file_amd64.go
diff --git a/pkg/abi/linux/file_arm64.go b/pkg/abi/linux/file_arm64.go
index 6492c9038..6492c9038 100644..100755
--- a/pkg/abi/linux/file_arm64.go
+++ b/pkg/abi/linux/file_arm64.go
diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go
new file mode 100755
index 000000000..59290f5a0
--- /dev/null
+++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go
@@ -0,0 +1,240 @@
+// Automatically generated marshal implementation. See tools/go_marshal.
+
+package linux
+
+import (
+ "gvisor.dev/gvisor/pkg/safecopy"
+ "gvisor.dev/gvisor/pkg/usermem"
+ "gvisor.dev/gvisor/tools/go_marshal/marshal"
+ "io"
+ "reflect"
+ "runtime"
+ "unsafe"
+)
+
+// Marshallable types used by this file.
+var _ marshal.Marshallable = (*RSeqCriticalSection)(nil)
+var _ marshal.Marshallable = (*Timespec)(nil)
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (r *RSeqCriticalSection) SizeBytes() int {
+ return 32
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (r *RSeqCriticalSection) MarshalBytes(dst []byte) {
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(r.Version))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(r.Flags))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(r.Start))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(r.PostCommitOffset))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(r.Abort))
+ dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (r *RSeqCriticalSection) UnmarshalBytes(src []byte) {
+ r.Version = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ r.Flags = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ r.Start = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ r.PostCommitOffset = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ r.Abort = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+func (r *RSeqCriticalSection) Packed() bool {
+ return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (r *RSeqCriticalSection) MarshalUnsafe(dst []byte) {
+ safecopy.CopyIn(dst, unsafe.Pointer(r))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (r *RSeqCriticalSection) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(r), src)
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+func (r *RSeqCriticalSection) CopyOut(task marshal.Task, addr usermem.Addr) error {
+ // Bypass escape analysis on r. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on r.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(r)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by r's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = r.SizeBytes()
+ hdr.Cap = r.SizeBytes()
+
+ _, err := task.CopyOutBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that r
+ // must live until after the CopyOutBytes.
+ runtime.KeepAlive(r)
+ return err
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+func (r *RSeqCriticalSection) CopyIn(task marshal.Task, addr usermem.Addr) error {
+ // Bypass escape analysis on r. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on r.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(r)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by r's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = r.SizeBytes()
+ hdr.Cap = r.SizeBytes()
+
+ _, err := task.CopyInBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that r
+ // must live until after the CopyInBytes.
+ runtime.KeepAlive(r)
+ return err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (r *RSeqCriticalSection) WriteTo(w io.Writer) (int64, error) {
+ // Bypass escape analysis on r. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on r.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(r)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by r's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = r.SizeBytes()
+ hdr.Cap = r.SizeBytes()
+
+ len, err := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that r
+ // must live until after the Write.
+ runtime.KeepAlive(r)
+ return int64(len), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (t *Timespec) SizeBytes() int {
+ return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (t *Timespec) MarshalBytes(dst []byte) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(t.Sec))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(t.Nsec))
+ dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (t *Timespec) UnmarshalBytes(src []byte) {
+ t.Sec = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ t.Nsec = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+func (t *Timespec) Packed() bool {
+ return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (t *Timespec) MarshalUnsafe(dst []byte) {
+ safecopy.CopyIn(dst, unsafe.Pointer(t))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (t *Timespec) UnmarshalUnsafe(src []byte) {
+ safecopy.CopyOut(unsafe.Pointer(t), src)
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+func (t *Timespec) CopyOut(task marshal.Task, addr usermem.Addr) error {
+ // Bypass escape analysis on t. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on t.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(t)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by t's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = t.SizeBytes()
+ hdr.Cap = t.SizeBytes()
+
+ _, err := task.CopyOutBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that t
+ // must live until after the CopyOutBytes.
+ runtime.KeepAlive(t)
+ return err
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+func (t *Timespec) CopyIn(task marshal.Task, addr usermem.Addr) error {
+ // Bypass escape analysis on t. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on t.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(t)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by t's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = t.SizeBytes()
+ hdr.Cap = t.SizeBytes()
+
+ _, err := task.CopyInBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that t
+ // must live until after the CopyInBytes.
+ runtime.KeepAlive(t)
+ return err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (t *Timespec) WriteTo(w io.Writer) (int64, error) {
+ // Bypass escape analysis on t. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on t.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(t)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by t's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = t.SizeBytes()
+ hdr.Cap = t.SizeBytes()
+
+ len, err := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that t
+ // must live until after the Write.
+ runtime.KeepAlive(t)
+ return int64(len), err
+}
+
diff --git a/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go b/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go
new file mode 100755
index 000000000..6abfea58c
--- /dev/null
+++ b/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go
@@ -0,0 +1,215 @@
+// Automatically generated marshal implementation. See tools/go_marshal.
+
+// +build amd64
+
+package linux
+
+import (
+ "gvisor.dev/gvisor/pkg/safecopy"
+ "gvisor.dev/gvisor/pkg/usermem"
+ "gvisor.dev/gvisor/tools/go_marshal/marshal"
+ "io"
+ "reflect"
+ "runtime"
+ "unsafe"
+)
+
+// Marshallable types used by this file.
+var _ marshal.Marshallable = (*Stat)(nil)
+var _ marshal.Marshallable = (*Timespec)(nil)
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *Stat) SizeBytes() int {
+ return 96 +
+ (*Timespec)(nil).SizeBytes() +
+ (*Timespec)(nil).SizeBytes() +
+ (*Timespec)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *Stat) MarshalBytes(dst []byte) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Dev))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Ino))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Nlink))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Mode))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.UID))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.GID))
+ dst = dst[4:]
+ // Padding: dst[:sizeof(int32)] ~= int32(0)
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rdev))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Size))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Blksize))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Blocks))
+ dst = dst[8:]
+ s.ATime.MarshalBytes(dst[:s.ATime.SizeBytes()])
+ dst = dst[s.ATime.SizeBytes():]
+ s.MTime.MarshalBytes(dst[:s.MTime.SizeBytes()])
+ dst = dst[s.MTime.SizeBytes():]
+ s.CTime.MarshalBytes(dst[:s.CTime.SizeBytes()])
+ dst = dst[s.CTime.SizeBytes():]
+ // Padding: dst[:sizeof(int64)*3] ~= [3]int64{0}
+ dst = dst[24:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *Stat) UnmarshalBytes(src []byte) {
+ s.Dev = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Ino = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Nlink = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Mode = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.UID = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.GID = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ // Padding: var _ int32 ~= src[:sizeof(int32)]
+ src = src[4:]
+ s.Rdev = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Size = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Blksize = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Blocks = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.ATime.UnmarshalBytes(src[:s.ATime.SizeBytes()])
+ src = src[s.ATime.SizeBytes():]
+ s.MTime.UnmarshalBytes(src[:s.MTime.SizeBytes()])
+ src = src[s.MTime.SizeBytes():]
+ s.CTime.UnmarshalBytes(src[:s.CTime.SizeBytes()])
+ src = src[s.CTime.SizeBytes():]
+ // Padding: ~ copy([3]int64(s._), src[:sizeof(int64)*3])
+ src = src[24:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+func (s *Stat) Packed() bool {
+ return s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *Stat) MarshalUnsafe(dst []byte) {
+ if s.MTime.Packed() && s.CTime.Packed() && s.ATime.Packed() {
+ safecopy.CopyIn(dst, unsafe.Pointer(s))
+ } else {
+ s.MarshalBytes(dst)
+ }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Stat) UnmarshalUnsafe(src []byte) {
+ if s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ safecopy.CopyOut(unsafe.Pointer(s), src)
+ } else {
+ s.UnmarshalBytes(src)
+ }
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+func (s *Stat) CopyOut(task marshal.Task, addr usermem.Addr) error {
+ if !s.CTime.Packed() && s.ATime.Packed() && s.MTime.Packed() {
+ // Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
+ buf := task.CopyScratchBuffer(s.SizeBytes())
+ s.MarshalBytes(buf)
+ _, err := task.CopyOutBytes(addr, buf)
+ return err
+ }
+
+ // Bypass escape analysis on s. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on s.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(s)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by s's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = s.SizeBytes()
+ hdr.Cap = s.SizeBytes()
+
+ _, err := task.CopyOutBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that s
+ // must live until after the CopyOutBytes.
+ runtime.KeepAlive(s)
+ return err
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+func (s *Stat) CopyIn(task marshal.Task, addr usermem.Addr) error {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ // Type Stat doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+ buf := task.CopyScratchBuffer(s.SizeBytes())
+ _, err := task.CopyInBytes(addr, buf)
+ if err != nil {
+ return err
+ }
+ s.UnmarshalBytes(buf)
+ return nil
+ }
+
+ // Bypass escape analysis on s. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on s.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(s)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by s's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = s.SizeBytes()
+ hdr.Cap = s.SizeBytes()
+
+ _, err := task.CopyInBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that s
+ // must live until after the CopyInBytes.
+ runtime.KeepAlive(s)
+ return err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Stat) WriteTo(w io.Writer) (int64, error) {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ // Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
+ buf := make([]byte, s.SizeBytes())
+ s.MarshalBytes(buf)
+ n, err := w.Write(buf)
+ return int64(n), err
+ }
+
+ // Bypass escape analysis on s. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on s.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(s)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by s's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = s.SizeBytes()
+ hdr.Cap = s.SizeBytes()
+
+ len, err := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that s
+ // must live until after the Write.
+ runtime.KeepAlive(s)
+ return int64(len), err
+}
+
diff --git a/pkg/abi/linux/linux_amd64_state_autogen.go b/pkg/abi/linux/linux_amd64_state_autogen.go
new file mode 100755
index 000000000..a5f55a80b
--- /dev/null
+++ b/pkg/abi/linux/linux_amd64_state_autogen.go
@@ -0,0 +1,5 @@
+// automatically generated by stateify.
+
+// +build amd64
+
+package linux
diff --git a/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go b/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go
new file mode 100755
index 000000000..d57e8e48d
--- /dev/null
+++ b/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go
@@ -0,0 +1,219 @@
+// Automatically generated marshal implementation. See tools/go_marshal.
+
+// +build arm64
+
+package linux
+
+import (
+ "gvisor.dev/gvisor/pkg/safecopy"
+ "gvisor.dev/gvisor/pkg/usermem"
+ "gvisor.dev/gvisor/tools/go_marshal/marshal"
+ "io"
+ "reflect"
+ "runtime"
+ "unsafe"
+)
+
+// Marshallable types used by this file.
+var _ marshal.Marshallable = (*Stat)(nil)
+var _ marshal.Marshallable = (*Timespec)(nil)
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (s *Stat) SizeBytes() int {
+ return 80 +
+ (*Timespec)(nil).SizeBytes() +
+ (*Timespec)(nil).SizeBytes() +
+ (*Timespec)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (s *Stat) MarshalBytes(dst []byte) {
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Dev))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Ino))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Mode))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Nlink))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.UID))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.GID))
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Rdev))
+ dst = dst[8:]
+ // Padding: dst[:sizeof(uint64)] ~= uint64(0)
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Size))
+ dst = dst[8:]
+ usermem.ByteOrder.PutUint32(dst[:4], uint32(s.Blksize))
+ dst = dst[4:]
+ // Padding: dst[:sizeof(int32)] ~= int32(0)
+ dst = dst[4:]
+ usermem.ByteOrder.PutUint64(dst[:8], uint64(s.Blocks))
+ dst = dst[8:]
+ s.ATime.MarshalBytes(dst[:s.ATime.SizeBytes()])
+ dst = dst[s.ATime.SizeBytes():]
+ s.MTime.MarshalBytes(dst[:s.MTime.SizeBytes()])
+ dst = dst[s.MTime.SizeBytes():]
+ s.CTime.MarshalBytes(dst[:s.CTime.SizeBytes()])
+ dst = dst[s.CTime.SizeBytes():]
+ // Padding: dst[:sizeof(int32)*2] ~= [2]int32{0}
+ dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (s *Stat) UnmarshalBytes(src []byte) {
+ s.Dev = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Ino = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Mode = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.Nlink = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.UID = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.GID = uint32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ s.Rdev = uint64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ // Padding: var _ uint64 ~= src[:sizeof(uint64)]
+ src = src[8:]
+ s.Size = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.Blksize = int32(usermem.ByteOrder.Uint32(src[:4]))
+ src = src[4:]
+ // Padding: var _ int32 ~= src[:sizeof(int32)]
+ src = src[4:]
+ s.Blocks = int64(usermem.ByteOrder.Uint64(src[:8]))
+ src = src[8:]
+ s.ATime.UnmarshalBytes(src[:s.ATime.SizeBytes()])
+ src = src[s.ATime.SizeBytes():]
+ s.MTime.UnmarshalBytes(src[:s.MTime.SizeBytes()])
+ src = src[s.MTime.SizeBytes():]
+ s.CTime.UnmarshalBytes(src[:s.CTime.SizeBytes()])
+ src = src[s.CTime.SizeBytes():]
+ // Padding: ~ copy([2]int32(s._), src[:sizeof(int32)*2])
+ src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+func (s *Stat) Packed() bool {
+ return s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (s *Stat) MarshalUnsafe(dst []byte) {
+ if s.MTime.Packed() && s.CTime.Packed() && s.ATime.Packed() {
+ safecopy.CopyIn(dst, unsafe.Pointer(s))
+ } else {
+ s.MarshalBytes(dst)
+ }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (s *Stat) UnmarshalUnsafe(src []byte) {
+ if s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ safecopy.CopyOut(unsafe.Pointer(s), src)
+ } else {
+ s.UnmarshalBytes(src)
+ }
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+func (s *Stat) CopyOut(task marshal.Task, addr usermem.Addr) error {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ // Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
+ buf := task.CopyScratchBuffer(s.SizeBytes())
+ s.MarshalBytes(buf)
+ _, err := task.CopyOutBytes(addr, buf)
+ return err
+ }
+
+ // Bypass escape analysis on s. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on s.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(s)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by s's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = s.SizeBytes()
+ hdr.Cap = s.SizeBytes()
+
+ _, err := task.CopyOutBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that s
+ // must live until after the CopyOutBytes.
+ runtime.KeepAlive(s)
+ return err
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+func (s *Stat) CopyIn(task marshal.Task, addr usermem.Addr) error {
+ if !s.MTime.Packed() && s.CTime.Packed() && s.ATime.Packed() {
+ // Type Stat doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+ buf := task.CopyScratchBuffer(s.SizeBytes())
+ _, err := task.CopyInBytes(addr, buf)
+ if err != nil {
+ return err
+ }
+ s.UnmarshalBytes(buf)
+ return nil
+ }
+
+ // Bypass escape analysis on s. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on s.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(s)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by s's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = s.SizeBytes()
+ hdr.Cap = s.SizeBytes()
+
+ _, err := task.CopyInBytes(addr, buf)
+ // Since we bypassed the compiler's escape analysis, indicate that s
+ // must live until after the CopyInBytes.
+ runtime.KeepAlive(s)
+ return err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (s *Stat) WriteTo(w io.Writer) (int64, error) {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ // Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
+ buf := make([]byte, s.SizeBytes())
+ s.MarshalBytes(buf)
+ n, err := w.Write(buf)
+ return int64(n), err
+ }
+
+ // Bypass escape analysis on s. The no-op arithmetic operation on the
+ // pointer makes the compiler think val doesn't depend on s.
+ // See src/runtime/stubs.go:noescape() in the golang toolchain.
+ ptr := unsafe.Pointer(s)
+ val := uintptr(ptr)
+ val = val^0
+
+ // Construct a slice backed by s's underlying memory.
+ var buf []byte
+ hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+ hdr.Data = val
+ hdr.Len = s.SizeBytes()
+ hdr.Cap = s.SizeBytes()
+
+ len, err := w.Write(buf)
+ // Since we bypassed the compiler's escape analysis, indicate that s
+ // must live until after the Write.
+ runtime.KeepAlive(s)
+ return int64(len), err
+}
+
diff --git a/pkg/abi/linux/linux_arm64_state_autogen.go b/pkg/abi/linux/linux_arm64_state_autogen.go
new file mode 100755
index 000000000..7b31374fe
--- /dev/null
+++ b/pkg/abi/linux/linux_arm64_state_autogen.go
@@ -0,0 +1,5 @@
+// automatically generated by stateify.
+
+// +build arm64
+
+package linux
diff --git a/pkg/abi/linux/linux_state_autogen.go b/pkg/abi/linux/linux_state_autogen.go
new file mode 100755
index 000000000..b8e488a11
--- /dev/null
+++ b/pkg/abi/linux/linux_state_autogen.go
@@ -0,0 +1,68 @@
+// automatically generated by stateify.
+
+package linux
+
+import (
+ "gvisor.dev/gvisor/pkg/state"
+)
+
+func (x *BPFInstruction) beforeSave() {}
+func (x *BPFInstruction) save(m state.Map) {
+ x.beforeSave()
+ m.Save("OpCode", &x.OpCode)
+ m.Save("JumpIfTrue", &x.JumpIfTrue)
+ m.Save("JumpIfFalse", &x.JumpIfFalse)
+ m.Save("K", &x.K)
+}
+
+func (x *BPFInstruction) afterLoad() {}
+func (x *BPFInstruction) load(m state.Map) {
+ m.Load("OpCode", &x.OpCode)
+ m.Load("JumpIfTrue", &x.JumpIfTrue)
+ m.Load("JumpIfFalse", &x.JumpIfFalse)
+ m.Load("K", &x.K)
+}
+
+func (x *KernelTermios) beforeSave() {}
+func (x *KernelTermios) save(m state.Map) {
+ x.beforeSave()
+ m.Save("InputFlags", &x.InputFlags)
+ m.Save("OutputFlags", &x.OutputFlags)
+ m.Save("ControlFlags", &x.ControlFlags)
+ m.Save("LocalFlags", &x.LocalFlags)
+ m.Save("LineDiscipline", &x.LineDiscipline)
+ m.Save("ControlCharacters", &x.ControlCharacters)
+ m.Save("InputSpeed", &x.InputSpeed)
+ m.Save("OutputSpeed", &x.OutputSpeed)
+}
+
+func (x *KernelTermios) afterLoad() {}
+func (x *KernelTermios) load(m state.Map) {
+ m.Load("InputFlags", &x.InputFlags)
+ m.Load("OutputFlags", &x.OutputFlags)
+ m.Load("ControlFlags", &x.ControlFlags)
+ m.Load("LocalFlags", &x.LocalFlags)
+ m.Load("LineDiscipline", &x.LineDiscipline)
+ m.Load("ControlCharacters", &x.ControlCharacters)
+ m.Load("InputSpeed", &x.InputSpeed)
+ m.Load("OutputSpeed", &x.OutputSpeed)
+}
+
+func (x *WindowSize) beforeSave() {}
+func (x *WindowSize) save(m state.Map) {
+ x.beforeSave()
+ m.Save("Rows", &x.Rows)
+ m.Save("Cols", &x.Cols)
+}
+
+func (x *WindowSize) afterLoad() {}
+func (x *WindowSize) load(m state.Map) {
+ m.Load("Rows", &x.Rows)
+ m.Load("Cols", &x.Cols)
+}
+
+func init() {
+ state.Register("pkg/abi/linux.BPFInstruction", (*BPFInstruction)(nil), state.Fns{Save: (*BPFInstruction).save, Load: (*BPFInstruction).load})
+ state.Register("pkg/abi/linux.KernelTermios", (*KernelTermios)(nil), state.Fns{Save: (*KernelTermios).save, Load: (*KernelTermios).load})
+ state.Register("pkg/abi/linux.WindowSize", (*WindowSize)(nil), state.Fns{Save: (*WindowSize).save, Load: (*WindowSize).load})
+}
diff --git a/pkg/abi/linux/netfilter_test.go b/pkg/abi/linux/netfilter_test.go
deleted file mode 100644
index 21e237f92..000000000
--- a/pkg/abi/linux/netfilter_test.go
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright 2019 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 linux
-
-import (
- "testing"
-
- "gvisor.dev/gvisor/pkg/binary"
-)
-
-func TestSizes(t *testing.T) {
- testCases := []struct {
- typ interface{}
- defined uintptr
- }{
- {IPTEntry{}, SizeOfIPTEntry},
- {IPTGetEntries{}, SizeOfIPTGetEntries},
- {IPTGetinfo{}, SizeOfIPTGetinfo},
- {IPTIP{}, SizeOfIPTIP},
- {IPTReplace{}, SizeOfIPTReplace},
- {XTCounters{}, SizeOfXTCounters},
- {XTEntryMatch{}, SizeOfXTEntryMatch},
- {XTEntryTarget{}, SizeOfXTEntryTarget},
- {XTErrorTarget{}, SizeOfXTErrorTarget},
- {XTStandardTarget{}, SizeOfXTStandardTarget},
- }
-
- for _, tc := range testCases {
- if calculated := binary.Size(tc.typ); calculated != tc.defined {
- t.Errorf("%T has a defined size of %d and calculated size of %d", tc.typ, tc.defined, calculated)
- }
- }
-}
diff --git a/pkg/abi/linux/rseq.go b/pkg/abi/linux/rseq.go
index 76253ba30..76253ba30 100644..100755
--- a/pkg/abi/linux/rseq.go
+++ b/pkg/abi/linux/rseq.go
diff --git a/pkg/abi/linux/signalfd.go b/pkg/abi/linux/signalfd.go
index 85fad9956..85fad9956 100644..100755
--- a/pkg/abi/linux/signalfd.go
+++ b/pkg/abi/linux/signalfd.go
diff --git a/pkg/abi/linux/xattr.go b/pkg/abi/linux/xattr.go
index a3b6406fa..a3b6406fa 100644..100755
--- a/pkg/abi/linux/xattr.go
+++ b/pkg/abi/linux/xattr.go
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 13:17:38 +0000