diff options
Diffstat (limited to 'pkg/sentry/syscalls/linux')
43 files changed, 264 insertions, 167 deletions
diff --git a/pkg/sentry/syscalls/linux/BUILD b/pkg/sentry/syscalls/linux/BUILD deleted file mode 100644 index 0d24fd3c4..000000000 --- a/pkg/sentry/syscalls/linux/BUILD +++ /dev/null @@ -1,104 +0,0 @@ -load("//tools:defs.bzl", "go_library") - -package(licenses = ["notice"]) - -go_library( - name = "linux", - srcs = [ - "error.go", - "flags.go", - "linux64.go", - "linux64_amd64.go", - "linux64_arm64.go", - "sigset.go", - "sys_aio.go", - "sys_capability.go", - "sys_clone_amd64.go", - "sys_clone_arm64.go", - "sys_epoll.go", - "sys_eventfd.go", - "sys_file.go", - "sys_futex.go", - "sys_getdents.go", - "sys_identity.go", - "sys_inotify.go", - "sys_lseek.go", - "sys_mempolicy.go", - "sys_mmap.go", - "sys_mount.go", - "sys_pipe.go", - "sys_poll.go", - "sys_prctl.go", - "sys_random.go", - "sys_read.go", - "sys_rlimit.go", - "sys_rseq.go", - "sys_rusage.go", - "sys_sched.go", - "sys_seccomp.go", - "sys_sem.go", - "sys_shm.go", - "sys_signal.go", - "sys_socket.go", - "sys_splice.go", - "sys_stat.go", - "sys_stat_amd64.go", - "sys_stat_arm64.go", - "sys_sync.go", - "sys_sysinfo.go", - "sys_syslog.go", - "sys_thread.go", - "sys_time.go", - "sys_timer.go", - "sys_timerfd.go", - "sys_tls.go", - "sys_utsname.go", - "sys_write.go", - "sys_xattr.go", - "timespec.go", - ], - visibility = ["//:sandbox"], - deps = [ - "//pkg/abi", - "//pkg/abi/linux", - "//pkg/binary", - "//pkg/bpf", - "//pkg/context", - "//pkg/log", - "//pkg/metric", - "//pkg/rand", - "//pkg/safemem", - "//pkg/sentry/arch", - "//pkg/sentry/fs", - "//pkg/sentry/fs/anon", - "//pkg/sentry/fs/lock", - "//pkg/sentry/fs/timerfd", - "//pkg/sentry/fs/tmpfs", - "//pkg/sentry/fsbridge", - "//pkg/sentry/kernel", - "//pkg/sentry/kernel/auth", - "//pkg/sentry/kernel/epoll", - "//pkg/sentry/kernel/eventfd", - "//pkg/sentry/kernel/fasync", - "//pkg/sentry/kernel/pipe", - "//pkg/sentry/kernel/sched", - "//pkg/sentry/kernel/shm", - "//pkg/sentry/kernel/signalfd", - "//pkg/sentry/kernel/time", - "//pkg/sentry/limits", - "//pkg/sentry/loader", - "//pkg/sentry/memmap", - "//pkg/sentry/mm", - "//pkg/sentry/socket", - "//pkg/sentry/socket/control", - "//pkg/sentry/socket/unix/transport", - "//pkg/sentry/syscalls", - "//pkg/sentry/usage", - "//pkg/sentry/vfs", - "//pkg/sync", - "//pkg/syserr", - "//pkg/syserror", - "//pkg/usermem", - "//pkg/waiter", - ], -) diff --git a/pkg/sentry/syscalls/linux/linux64_amd64.go b/pkg/sentry/syscalls/linux/linux64_amd64.go index 79066ad2a..79066ad2a 100644..100755 --- a/pkg/sentry/syscalls/linux/linux64_amd64.go +++ b/pkg/sentry/syscalls/linux/linux64_amd64.go diff --git a/pkg/sentry/syscalls/linux/linux64_arm64.go b/pkg/sentry/syscalls/linux/linux64_arm64.go index 7421619de..7421619de 100644..100755 --- a/pkg/sentry/syscalls/linux/linux64_arm64.go +++ b/pkg/sentry/syscalls/linux/linux64_arm64.go diff --git a/pkg/sentry/syscalls/linux/linux_amd64_state_autogen.go b/pkg/sentry/syscalls/linux/linux_amd64_state_autogen.go new file mode 100755 index 000000000..a98193a5b --- /dev/null +++ b/pkg/sentry/syscalls/linux/linux_amd64_state_autogen.go @@ -0,0 +1,6 @@ +// automatically generated by stateify. + +// +build amd64 +// +build amd64 + +package linux diff --git a/pkg/sentry/syscalls/linux/linux_arm64_state_autogen.go b/pkg/sentry/syscalls/linux/linux_arm64_state_autogen.go new file mode 100755 index 000000000..b144adbda --- /dev/null +++ b/pkg/sentry/syscalls/linux/linux_arm64_state_autogen.go @@ -0,0 +1,6 @@ +// automatically generated by stateify. + +// +build arm64 +// +build arm64 + +package linux diff --git a/pkg/sentry/syscalls/linux/linux_state_autogen.go b/pkg/sentry/syscalls/linux/linux_state_autogen.go new file mode 100755 index 000000000..5107dd246 --- /dev/null +++ b/pkg/sentry/syscalls/linux/linux_state_autogen.go @@ -0,0 +1,83 @@ +// automatically generated by stateify. + +// +build amd64 +// +build amd64 arm64 + +package linux + +import ( + "gvisor.dev/gvisor/pkg/state" +) + +func (x *ioEvent) beforeSave() {} +func (x *ioEvent) save(m state.Map) { + x.beforeSave() + m.Save("Data", &x.Data) + m.Save("Obj", &x.Obj) + m.Save("Result", &x.Result) + m.Save("Result2", &x.Result2) +} + +func (x *ioEvent) afterLoad() {} +func (x *ioEvent) load(m state.Map) { + m.Load("Data", &x.Data) + m.Load("Obj", &x.Obj) + m.Load("Result", &x.Result) + m.Load("Result2", &x.Result2) +} + +func (x *futexWaitRestartBlock) beforeSave() {} +func (x *futexWaitRestartBlock) save(m state.Map) { + x.beforeSave() + m.Save("duration", &x.duration) + m.Save("addr", &x.addr) + m.Save("private", &x.private) + m.Save("val", &x.val) + m.Save("mask", &x.mask) +} + +func (x *futexWaitRestartBlock) afterLoad() {} +func (x *futexWaitRestartBlock) load(m state.Map) { + m.Load("duration", &x.duration) + m.Load("addr", &x.addr) + m.Load("private", &x.private) + m.Load("val", &x.val) + m.Load("mask", &x.mask) +} + +func (x *pollRestartBlock) beforeSave() {} +func (x *pollRestartBlock) save(m state.Map) { + x.beforeSave() + m.Save("pfdAddr", &x.pfdAddr) + m.Save("nfds", &x.nfds) + m.Save("timeout", &x.timeout) +} + +func (x *pollRestartBlock) afterLoad() {} +func (x *pollRestartBlock) load(m state.Map) { + m.Load("pfdAddr", &x.pfdAddr) + m.Load("nfds", &x.nfds) + m.Load("timeout", &x.timeout) +} + +func (x *clockNanosleepRestartBlock) beforeSave() {} +func (x *clockNanosleepRestartBlock) save(m state.Map) { + x.beforeSave() + m.Save("c", &x.c) + m.Save("duration", &x.duration) + m.Save("rem", &x.rem) +} + +func (x *clockNanosleepRestartBlock) afterLoad() {} +func (x *clockNanosleepRestartBlock) load(m state.Map) { + m.Load("c", &x.c) + m.Load("duration", &x.duration) + m.Load("rem", &x.rem) +} + +func init() { + state.Register("pkg/sentry/syscalls/linux.ioEvent", (*ioEvent)(nil), state.Fns{Save: (*ioEvent).save, Load: (*ioEvent).load}) + state.Register("pkg/sentry/syscalls/linux.futexWaitRestartBlock", (*futexWaitRestartBlock)(nil), state.Fns{Save: (*futexWaitRestartBlock).save, Load: (*futexWaitRestartBlock).load}) + state.Register("pkg/sentry/syscalls/linux.pollRestartBlock", (*pollRestartBlock)(nil), state.Fns{Save: (*pollRestartBlock).save, Load: (*pollRestartBlock).load}) + state.Register("pkg/sentry/syscalls/linux.clockNanosleepRestartBlock", (*clockNanosleepRestartBlock)(nil), state.Fns{Save: (*clockNanosleepRestartBlock).save, Load: (*clockNanosleepRestartBlock).load}) +} diff --git a/pkg/sentry/syscalls/linux/sys_clone_amd64.go b/pkg/sentry/syscalls/linux/sys_clone_amd64.go index dd43cf18d..dd43cf18d 100644..100755 --- a/pkg/sentry/syscalls/linux/sys_clone_amd64.go +++ b/pkg/sentry/syscalls/linux/sys_clone_amd64.go diff --git a/pkg/sentry/syscalls/linux/sys_clone_arm64.go b/pkg/sentry/syscalls/linux/sys_clone_arm64.go index cf68a8949..cf68a8949 100644..100755 --- a/pkg/sentry/syscalls/linux/sys_clone_arm64.go +++ b/pkg/sentry/syscalls/linux/sys_clone_arm64.go diff --git a/pkg/sentry/syscalls/linux/sys_rseq.go b/pkg/sentry/syscalls/linux/sys_rseq.go index 90db10ea6..90db10ea6 100644..100755 --- a/pkg/sentry/syscalls/linux/sys_rseq.go +++ b/pkg/sentry/syscalls/linux/sys_rseq.go diff --git a/pkg/sentry/syscalls/linux/sys_stat_amd64.go b/pkg/sentry/syscalls/linux/sys_stat_amd64.go index 0a04a6113..0a04a6113 100644..100755 --- a/pkg/sentry/syscalls/linux/sys_stat_amd64.go +++ b/pkg/sentry/syscalls/linux/sys_stat_amd64.go diff --git a/pkg/sentry/syscalls/linux/sys_stat_arm64.go b/pkg/sentry/syscalls/linux/sys_stat_arm64.go index 5a3b1bfad..5a3b1bfad 100644..100755 --- a/pkg/sentry/syscalls/linux/sys_stat_arm64.go +++ b/pkg/sentry/syscalls/linux/sys_stat_arm64.go diff --git a/pkg/sentry/syscalls/linux/sys_xattr.go b/pkg/sentry/syscalls/linux/sys_xattr.go index 2de5e3422..2de5e3422 100644..100755 --- a/pkg/sentry/syscalls/linux/sys_xattr.go +++ b/pkg/sentry/syscalls/linux/sys_xattr.go diff --git a/pkg/sentry/syscalls/linux/vfs2/BUILD b/pkg/sentry/syscalls/linux/vfs2/BUILD deleted file mode 100644 index ffca627d4..000000000 --- a/pkg/sentry/syscalls/linux/vfs2/BUILD +++ /dev/null @@ -1,63 +0,0 @@ -load("//tools:defs.bzl", "go_library") - -package(licenses = ["notice"]) - -go_library( - name = "vfs2", - srcs = [ - "epoll.go", - "eventfd.go", - "execve.go", - "fd.go", - "filesystem.go", - "fscontext.go", - "getdents.go", - "ioctl.go", - "linux64.go", - "linux64_override_amd64.go", - "linux64_override_arm64.go", - "mmap.go", - "path.go", - "pipe.go", - "poll.go", - "read_write.go", - "setstat.go", - "socket.go", - "stat.go", - "stat_amd64.go", - "stat_arm64.go", - "sync.go", - "timerfd.go", - "xattr.go", - ], - marshal = True, - visibility = ["//:sandbox"], - deps = [ - "//pkg/abi/linux", - "//pkg/binary", - "//pkg/bits", - "//pkg/fspath", - "//pkg/gohacks", - "//pkg/sentry/arch", - "//pkg/sentry/fsbridge", - "//pkg/sentry/fsimpl/pipefs", - "//pkg/sentry/kernel", - "//pkg/sentry/kernel/auth", - "//pkg/sentry/kernel/pipe", - "//pkg/sentry/kernel/time", - "//pkg/sentry/limits", - "//pkg/sentry/loader", - "//pkg/sentry/memmap", - "//pkg/sentry/socket", - "//pkg/sentry/socket/control", - "//pkg/sentry/socket/unix/transport", - "//pkg/sentry/syscalls", - "//pkg/sentry/syscalls/linux", - "//pkg/sentry/vfs", - "//pkg/sync", - "//pkg/syserr", - "//pkg/syserror", - "//pkg/usermem", - "//pkg/waiter", - ], -) diff --git a/pkg/sentry/syscalls/linux/vfs2/epoll.go b/pkg/sentry/syscalls/linux/vfs2/epoll.go index 34c90ae3e..34c90ae3e 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/epoll.go +++ b/pkg/sentry/syscalls/linux/vfs2/epoll.go diff --git a/pkg/sentry/syscalls/linux/vfs2/eventfd.go b/pkg/sentry/syscalls/linux/vfs2/eventfd.go index bd2194972..bd2194972 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/eventfd.go +++ b/pkg/sentry/syscalls/linux/vfs2/eventfd.go diff --git a/pkg/sentry/syscalls/linux/vfs2/execve.go b/pkg/sentry/syscalls/linux/vfs2/execve.go index aef0078a8..aef0078a8 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/execve.go +++ b/pkg/sentry/syscalls/linux/vfs2/execve.go diff --git a/pkg/sentry/syscalls/linux/vfs2/fd.go b/pkg/sentry/syscalls/linux/vfs2/fd.go index 8181d80f4..8181d80f4 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/fd.go +++ b/pkg/sentry/syscalls/linux/vfs2/fd.go diff --git a/pkg/sentry/syscalls/linux/vfs2/filesystem.go b/pkg/sentry/syscalls/linux/vfs2/filesystem.go index 46d3e189c..46d3e189c 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/filesystem.go +++ b/pkg/sentry/syscalls/linux/vfs2/filesystem.go diff --git a/pkg/sentry/syscalls/linux/vfs2/fscontext.go b/pkg/sentry/syscalls/linux/vfs2/fscontext.go index 317409a18..317409a18 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/fscontext.go +++ b/pkg/sentry/syscalls/linux/vfs2/fscontext.go diff --git a/pkg/sentry/syscalls/linux/vfs2/getdents.go b/pkg/sentry/syscalls/linux/vfs2/getdents.go index c7c7bf7ce..c7c7bf7ce 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/getdents.go +++ b/pkg/sentry/syscalls/linux/vfs2/getdents.go diff --git a/pkg/sentry/syscalls/linux/vfs2/ioctl.go b/pkg/sentry/syscalls/linux/vfs2/ioctl.go index 5a2418da9..5a2418da9 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/ioctl.go +++ b/pkg/sentry/syscalls/linux/vfs2/ioctl.go diff --git a/pkg/sentry/syscalls/linux/vfs2/linux64.go b/pkg/sentry/syscalls/linux/vfs2/linux64.go index 19ee36081..19ee36081 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/linux64.go +++ b/pkg/sentry/syscalls/linux/vfs2/linux64.go diff --git a/pkg/sentry/syscalls/linux/vfs2/linux64_override_amd64.go b/pkg/sentry/syscalls/linux/vfs2/linux64_override_amd64.go index 47c5d18e7..47c5d18e7 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/linux64_override_amd64.go +++ b/pkg/sentry/syscalls/linux/vfs2/linux64_override_amd64.go diff --git a/pkg/sentry/syscalls/linux/vfs2/linux64_override_arm64.go b/pkg/sentry/syscalls/linux/vfs2/linux64_override_arm64.go index a6b367468..a6b367468 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/linux64_override_arm64.go +++ b/pkg/sentry/syscalls/linux/vfs2/linux64_override_arm64.go diff --git a/pkg/sentry/syscalls/linux/vfs2/mmap.go b/pkg/sentry/syscalls/linux/vfs2/mmap.go index 60a43f0a0..60a43f0a0 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/mmap.go +++ b/pkg/sentry/syscalls/linux/vfs2/mmap.go diff --git a/pkg/sentry/syscalls/linux/vfs2/path.go b/pkg/sentry/syscalls/linux/vfs2/path.go index 97da6c647..97da6c647 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/path.go +++ b/pkg/sentry/syscalls/linux/vfs2/path.go diff --git a/pkg/sentry/syscalls/linux/vfs2/pipe.go b/pkg/sentry/syscalls/linux/vfs2/pipe.go index 4a01e4209..4a01e4209 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/pipe.go +++ b/pkg/sentry/syscalls/linux/vfs2/pipe.go diff --git a/pkg/sentry/syscalls/linux/vfs2/poll.go b/pkg/sentry/syscalls/linux/vfs2/poll.go index ff1b25d7b..ff1b25d7b 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/poll.go +++ b/pkg/sentry/syscalls/linux/vfs2/poll.go diff --git a/pkg/sentry/syscalls/linux/vfs2/read_write.go b/pkg/sentry/syscalls/linux/vfs2/read_write.go index 3a7ef24f5..3a7ef24f5 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/read_write.go +++ b/pkg/sentry/syscalls/linux/vfs2/read_write.go diff --git a/pkg/sentry/syscalls/linux/vfs2/setstat.go b/pkg/sentry/syscalls/linux/vfs2/setstat.go index 4e61f1452..4e61f1452 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/setstat.go +++ b/pkg/sentry/syscalls/linux/vfs2/setstat.go diff --git a/pkg/sentry/syscalls/linux/vfs2/socket.go b/pkg/sentry/syscalls/linux/vfs2/socket.go index 10b668477..10b668477 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/socket.go +++ b/pkg/sentry/syscalls/linux/vfs2/socket.go diff --git a/pkg/sentry/syscalls/linux/vfs2/stat.go b/pkg/sentry/syscalls/linux/vfs2/stat.go index bb1d5cac4..bb1d5cac4 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/stat.go +++ b/pkg/sentry/syscalls/linux/vfs2/stat.go diff --git a/pkg/sentry/syscalls/linux/vfs2/stat_amd64.go b/pkg/sentry/syscalls/linux/vfs2/stat_amd64.go index 2da538fc6..2da538fc6 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/stat_amd64.go +++ b/pkg/sentry/syscalls/linux/vfs2/stat_amd64.go diff --git a/pkg/sentry/syscalls/linux/vfs2/stat_arm64.go b/pkg/sentry/syscalls/linux/vfs2/stat_arm64.go index 88b9c7627..88b9c7627 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/stat_arm64.go +++ b/pkg/sentry/syscalls/linux/vfs2/stat_arm64.go diff --git a/pkg/sentry/syscalls/linux/vfs2/sync.go b/pkg/sentry/syscalls/linux/vfs2/sync.go index 365250b0b..365250b0b 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/sync.go +++ b/pkg/sentry/syscalls/linux/vfs2/sync.go diff --git a/pkg/sentry/syscalls/linux/vfs2/timerfd.go b/pkg/sentry/syscalls/linux/vfs2/timerfd.go index 7938a5249..7938a5249 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/timerfd.go +++ b/pkg/sentry/syscalls/linux/vfs2/timerfd.go diff --git a/pkg/sentry/syscalls/linux/vfs2/vfs2_abi_autogen_unsafe.go b/pkg/sentry/syscalls/linux/vfs2/vfs2_abi_autogen_unsafe.go new file mode 100755 index 000000000..372fbcd8e --- /dev/null +++ b/pkg/sentry/syscalls/linux/vfs2/vfs2_abi_autogen_unsafe.go @@ -0,0 +1,111 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +package vfs2 + +import ( + "gvisor.dev/gvisor/pkg/gohacks" + "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 = (*sigSetWithSize)(nil) + +// SizeBytes implements marshal.Marshallable.SizeBytes. +func (s *sigSetWithSize) SizeBytes() int { + return 16 +} + +// MarshalBytes implements marshal.Marshallable.MarshalBytes. +func (s *sigSetWithSize) MarshalBytes(dst []byte) { + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.sigsetAddr)) + dst = dst[8:] + usermem.ByteOrder.PutUint64(dst[:8], uint64(s.sizeofSigset)) + dst = dst[8:] +} + +// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes. +func (s *sigSetWithSize) UnmarshalBytes(src []byte) { + s.sigsetAddr = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] + s.sizeofSigset = uint64(usermem.ByteOrder.Uint64(src[:8])) + src = src[8:] +} + +// Packed implements marshal.Marshallable.Packed. +//go:nosplit +func (s *sigSetWithSize) Packed() bool { + return true +} + +// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. +func (s *sigSetWithSize) MarshalUnsafe(dst []byte) { + safecopy.CopyIn(dst, unsafe.Pointer(s)) +} + +// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. +func (s *sigSetWithSize) UnmarshalUnsafe(src []byte) { + safecopy.CopyOut(unsafe.Pointer(s), src) +} + +// CopyOutN implements marshal.Marshallable.CopyOutN. +//go:nosplit +func (s *sigSetWithSize) CopyOutN(task marshal.Task, addr usermem.Addr, limit int) (int, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s))) + hdr.Len = s.SizeBytes() + hdr.Cap = s.SizeBytes() + + length, err := task.CopyOutBytes(addr, buf[:limit]) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that s + // must live until the use above. + runtime.KeepAlive(s) + return length, err +} + +// CopyOut implements marshal.Marshallable.CopyOut. +//go:nosplit +func (s *sigSetWithSize) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) { + return s.CopyOutN(task, addr, s.SizeBytes()) +} + +// CopyIn implements marshal.Marshallable.CopyIn. +//go:nosplit +func (s *sigSetWithSize) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s))) + hdr.Len = s.SizeBytes() + hdr.Cap = s.SizeBytes() + + length, err := task.CopyInBytes(addr, buf) // escapes: okay. + // Since we bypassed the compiler's escape analysis, indicate that s + // must live until the use above. + runtime.KeepAlive(s) + return length, err +} + +// WriteTo implements io.WriterTo.WriteTo. +func (s *sigSetWithSize) WriteTo(w io.Writer) (int64, error) { + // Construct a slice backed by dst's underlying memory. + var buf []byte + hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(s))) + hdr.Len = s.SizeBytes() + hdr.Cap = s.SizeBytes() + + length, err := w.Write(buf) + // Since we bypassed the compiler's escape analysis, indicate that s + // must live until the use above. + runtime.KeepAlive(s) + return int64(length), err +} + diff --git a/pkg/sentry/syscalls/linux/vfs2/vfs2_amd64_abi_autogen_unsafe.go b/pkg/sentry/syscalls/linux/vfs2/vfs2_amd64_abi_autogen_unsafe.go new file mode 100755 index 000000000..fc1b597de --- /dev/null +++ b/pkg/sentry/syscalls/linux/vfs2/vfs2_amd64_abi_autogen_unsafe.go @@ -0,0 +1,10 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +// +build amd64 +// +build amd64 + +package vfs2 + +import ( +) + diff --git a/pkg/sentry/syscalls/linux/vfs2/vfs2_amd64_state_autogen.go b/pkg/sentry/syscalls/linux/vfs2/vfs2_amd64_state_autogen.go new file mode 100755 index 000000000..b44f63872 --- /dev/null +++ b/pkg/sentry/syscalls/linux/vfs2/vfs2_amd64_state_autogen.go @@ -0,0 +1,6 @@ +// automatically generated by stateify. + +// +build amd64 +// +build amd64 + +package vfs2 diff --git a/pkg/sentry/syscalls/linux/vfs2/vfs2_arm64_abi_autogen_unsafe.go b/pkg/sentry/syscalls/linux/vfs2/vfs2_arm64_abi_autogen_unsafe.go new file mode 100755 index 000000000..c2958877a --- /dev/null +++ b/pkg/sentry/syscalls/linux/vfs2/vfs2_arm64_abi_autogen_unsafe.go @@ -0,0 +1,10 @@ +// Automatically generated marshal implementation. See tools/go_marshal. + +// +build arm64 +// +build arm64 + +package vfs2 + +import ( +) + diff --git a/pkg/sentry/syscalls/linux/vfs2/vfs2_arm64_state_autogen.go b/pkg/sentry/syscalls/linux/vfs2/vfs2_arm64_state_autogen.go new file mode 100755 index 000000000..b61fa85e9 --- /dev/null +++ b/pkg/sentry/syscalls/linux/vfs2/vfs2_arm64_state_autogen.go @@ -0,0 +1,6 @@ +// automatically generated by stateify. + +// +build arm64 +// +build arm64 + +package vfs2 diff --git a/pkg/sentry/syscalls/linux/vfs2/vfs2_state_autogen.go b/pkg/sentry/syscalls/linux/vfs2/vfs2_state_autogen.go new file mode 100755 index 000000000..570100331 --- /dev/null +++ b/pkg/sentry/syscalls/linux/vfs2/vfs2_state_autogen.go @@ -0,0 +1,26 @@ +// automatically generated by stateify. + +package vfs2 + +import ( + "gvisor.dev/gvisor/pkg/state" +) + +func (x *pollRestartBlock) beforeSave() {} +func (x *pollRestartBlock) save(m state.Map) { + x.beforeSave() + m.Save("pfdAddr", &x.pfdAddr) + m.Save("nfds", &x.nfds) + m.Save("timeout", &x.timeout) +} + +func (x *pollRestartBlock) afterLoad() {} +func (x *pollRestartBlock) load(m state.Map) { + m.Load("pfdAddr", &x.pfdAddr) + m.Load("nfds", &x.nfds) + m.Load("timeout", &x.timeout) +} + +func init() { + state.Register("pkg/sentry/syscalls/linux/vfs2.pollRestartBlock", (*pollRestartBlock)(nil), state.Fns{Save: (*pollRestartBlock).save, Load: (*pollRestartBlock).load}) +} diff --git a/pkg/sentry/syscalls/linux/vfs2/xattr.go b/pkg/sentry/syscalls/linux/vfs2/xattr.go index af455d5c1..af455d5c1 100644..100755 --- a/pkg/sentry/syscalls/linux/vfs2/xattr.go +++ b/pkg/sentry/syscalls/linux/vfs2/xattr.go |