Check in gVisor.

PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463

1 files changed, 376 insertions, 0 deletions

diff --git a/pkg/sentry/syscalls/linux/linux64.go b/pkg/sentry/syscalls/linux/linux64.go
new file mode 100644
index 000000000..44db2d582
--- /dev/null
+++ b/pkg/sentry/syscalls/linux/linux64.go
@@ -0,0 +1,376 @@
+// Copyright 2018 Google Inc.
+//
+// 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 provides syscall tables for amd64 Linux.
+//
+// NOTE: Linux i386 support has been removed.
+package linux
+
+import (
+	"syscall"
+
+	"gvisor.googlesource.com/gvisor/pkg/abi"
+	"gvisor.googlesource.com/gvisor/pkg/abi/linux"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/arch"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/kernel"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/syscalls"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
+	"gvisor.googlesource.com/gvisor/pkg/syserror"
+)
+
+// AUDIT_ARCH_X86_64 identifies the Linux syscall API on AMD64, and is taken
+// from <linux/audit.h>.
+const _AUDIT_ARCH_X86_64 = 0xc000003e
+
+// AMD64 is a table of Linux amd64 syscall API with the corresponding syscall
+// numbers from Linux 3.11. The entries commented out are those syscalls we
+// don't currently support.
+var AMD64 = &kernel.SyscallTable{
+	OS:   abi.Linux,
+	Arch: arch.AMD64,
+	Version: kernel.Version{
+		Sysname: "Linux",
+		Release: "3.11.10",
+		Version: "#1 SMP Fri Nov 29 10:47:50 PST 2013",
+	},
+	AuditNumber: _AUDIT_ARCH_X86_64,
+	Table: map[uintptr]kernel.SyscallFn{
+		0:  Read,
+		1:  Write,
+		2:  Open,
+		3:  Close,
+		4:  Stat,
+		5:  Fstat,
+		6:  Lstat,
+		7:  Poll,
+		8:  Lseek,
+		9:  Mmap,
+		10: Mprotect,
+		11: Munmap,
+		12: Brk,
+		13: RtSigaction,
+		14: RtSigprocmask,
+		15: RtSigreturn,
+		16: Ioctl,
+		17: Pread64,
+		18: Pwrite64,
+		19: Readv,
+		20: Writev,
+		21: Access,
+		22: Pipe,
+		23: Select,
+		24: SchedYield,
+		25: Mremap,
+		26: Msync,
+		27: Mincore,
+		28: Madvise,
+		//     29: Shmget, TODO
+		//     30: Shmat, TODO
+		//     31: Shmctl, TODO
+		32: Dup,
+		33: Dup2,
+		34: Pause,
+		35: Nanosleep,
+		36: Getitimer,
+		37: Alarm,
+		38: Setitimer,
+		39: Getpid,
+		40: Sendfile,
+		41: Socket,
+		42: Connect,
+		43: Accept,
+		44: SendTo,
+		45: RecvFrom,
+		46: SendMsg,
+		47: RecvMsg,
+		48: Shutdown,
+		49: Bind,
+		50: Listen,
+		51: GetSockName,
+		52: GetPeerName,
+		53: SocketPair,
+		54: SetSockOpt,
+		55: GetSockOpt,
+		56: Clone,
+		57: Fork,
+		58: Vfork,
+		59: Execve,
+		60: Exit,
+		61: Wait4,
+		62: Kill,
+		63: Uname,
+		64: Semget,
+		65: Semop,
+		66: Semctl,
+		//     67: Shmdt, TODO
+		//     68: Msgget, TODO
+		//     69: Msgsnd, TODO
+		//     70: Msgrcv, TODO
+		//     71: Msgctl, TODO
+		72:  Fcntl,
+		73:  Flock,
+		74:  Fsync,
+		75:  Fdatasync,
+		76:  Truncate,
+		77:  Ftruncate,
+		78:  Getdents,
+		79:  Getcwd,
+		80:  Chdir,
+		81:  Fchdir,
+		82:  Rename,
+		83:  Mkdir,
+		84:  Rmdir,
+		85:  Creat,
+		86:  Link,
+		87:  Unlink,
+		88:  Symlink,
+		89:  Readlink,
+		90:  Chmod,
+		91:  Fchmod,
+		92:  Chown,
+		93:  Fchown,
+		94:  Lchown,
+		95:  Umask,
+		96:  Gettimeofday,
+		97:  Getrlimit,
+		98:  Getrusage,
+		99:  Sysinfo,
+		100: Times,
+		101: Ptrace,
+		102: Getuid,
+		103: Syslog,
+		104: Getgid,
+		105: Setuid,
+		106: Setgid,
+		107: Geteuid,
+		108: Getegid,
+		109: Setpgid,
+		110: Getppid,
+		111: Getpgrp,
+		112: Setsid,
+		113: Setreuid,
+		114: Setregid,
+		115: Getgroups,
+		116: Setgroups,
+		117: Setresuid,
+		118: Getresuid,
+		119: Setresgid,
+		120: Getresgid,
+		121: Getpgid,
+		//     122: Setfsuid, TODO
+		//     123: Setfsgid, TODO
+		124: Getsid,
+		125: Capget,
+		126: Capset,
+		127: RtSigpending,
+		128: RtSigtimedwait,
+		129: RtSigqueueinfo,
+		130: RtSigsuspend,
+		131: Sigaltstack,
+		132: Utime,
+		133: Mknod,
+		134: syscalls.Error(syscall.ENOSYS),          // Uselib, obsolete
+		135: syscalls.ErrorWithEvent(syscall.EINVAL), // SetPersonality, unable to change personality
+		136: syscalls.ErrorWithEvent(syscall.ENOSYS), // Ustat, needs filesystem support
+		137: Statfs,
+		138: Fstatfs,
+		//     139: Sysfs, TODO
+		140: Getpriority,
+		141: Setpriority,
+		142: syscalls.CapError(linux.CAP_SYS_NICE), // SchedSetparam, requires cap_sys_nice
+		143: SchedGetparam,
+		144: SchedSetscheduler,
+		145: SchedGetscheduler,
+		146: SchedGetPriorityMax,
+		147: SchedGetPriorityMin,
+		148: syscalls.ErrorWithEvent(syscall.EPERM),      // SchedRrGetInterval,
+		149: syscalls.Error(nil),                         // Mlock, TODO
+		150: syscalls.Error(nil),                         // Munlock, TODO
+		151: syscalls.Error(nil),                         // Mlockall, TODO
+		152: syscalls.Error(nil),                         // Munlockall, TODO
+		153: syscalls.CapError(linux.CAP_SYS_TTY_CONFIG), // Vhangup,
+		154: syscalls.Error(syscall.EPERM),               // ModifyLdt,
+		155: syscalls.Error(syscall.EPERM),               // PivotRoot,
+		156: syscalls.Error(syscall.EPERM),               // Sysctl, syscall is "worthless"
+		157: Prctl,
+		158: ArchPrctl,
+		159: syscalls.CapError(linux.CAP_SYS_TIME), // Adjtimex, requires cap_sys_time
+		160: Setrlimit,
+		161: Chroot,
+		162: Sync,
+		163: syscalls.CapError(linux.CAP_SYS_PACCT), // Acct, requires cap_sys_pacct
+		164: syscalls.CapError(linux.CAP_SYS_TIME),  // Settimeofday, requires cap_sys_time
+		165: Mount,
+		166: Umount2,
+		167: syscalls.CapError(linux.CAP_SYS_ADMIN), // Swapon, requires cap_sys_admin
+		168: syscalls.CapError(linux.CAP_SYS_ADMIN), // Swapoff, requires cap_sys_admin
+		169: syscalls.CapError(linux.CAP_SYS_BOOT),  // Reboot, requires cap_sys_boot
+		170: Sethostname,
+		171: Setdomainname,
+		172: syscalls.CapError(linux.CAP_SYS_RAWIO),  // Iopl, requires cap_sys_rawio
+		173: syscalls.CapError(linux.CAP_SYS_RAWIO),  // Ioperm, requires cap_sys_rawio
+		174: syscalls.CapError(linux.CAP_SYS_MODULE), // CreateModule, requires cap_sys_module
+		175: syscalls.CapError(linux.CAP_SYS_MODULE), // InitModule, requires cap_sys_module
+		176: syscalls.CapError(linux.CAP_SYS_MODULE), // DeleteModule, requires cap_sys_module
+		177: syscalls.Error(syscall.ENOSYS),          // GetKernelSyms, not supported in > 2.6
+		178: syscalls.Error(syscall.ENOSYS),          // QueryModule, not supported in > 2.6
+		179: syscalls.CapError(linux.CAP_SYS_ADMIN),  // Quotactl, requires cap_sys_admin (most operations)
+		180: syscalls.Error(syscall.ENOSYS),          // Nfsservctl, does not exist > 3.1
+		181: syscalls.Error(syscall.ENOSYS),          // Getpmsg, not implemented in Linux
+		182: syscalls.Error(syscall.ENOSYS),          // Putpmsg, not implemented in Linux
+		183: syscalls.Error(syscall.ENOSYS),          // AfsSyscall, not implemented in Linux
+		184: syscalls.Error(syscall.ENOSYS),          // Tuxcall, not implemented in Linux
+		185: syscalls.Error(syscall.ENOSYS),          // Security, not implemented in Linux
+		186: Gettid,
+		187: nil,                                      // Readahead, TODO
+		188: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Setxattr, requires filesystem support
+		189: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Lsetxattr, requires filesystem support
+		190: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Fsetxattr, requires filesystem support
+		191: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Getxattr, requires filesystem support
+		192: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Lgetxattr, requires filesystem support
+		193: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Fgetxattr, requires filesystem support
+		194: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Listxattr, requires filesystem support
+		195: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Llistxattr, requires filesystem support
+		196: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Flistxattr, requires filesystem support
+		197: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Removexattr, requires filesystem support
+		198: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Lremovexattr, requires filesystem support
+		199: syscalls.ErrorWithEvent(syscall.ENOTSUP), // Fremovexattr, requires filesystem support
+		200: Tkill,
+		201: Time,
+		202: Futex,
+		203: SchedSetaffinity,
+		204: SchedGetaffinity,
+		205: syscalls.Error(syscall.ENOSYS), // SetThreadArea, expected to return ENOSYS on 64-bit
+		206: IoSetup,
+		207: IoDestroy,
+		208: IoGetevents,
+		209: IoSubmit,
+		210: IoCancel,
+		211: syscalls.Error(syscall.ENOSYS),         // GetThreadArea, expected to return ENOSYS on 64-bit
+		212: syscalls.CapError(linux.CAP_SYS_ADMIN), // LookupDcookie, requires cap_sys_admin
+		213: EpollCreate,
+		214: syscalls.ErrorWithEvent(syscall.ENOSYS), // EpollCtlOld, deprecated (afaik, unused)
+		215: syscalls.ErrorWithEvent(syscall.ENOSYS), // EpollWaitOld, deprecated (afaik, unused)
+		216: syscalls.ErrorWithEvent(syscall.ENOSYS), // RemapFilePages, deprecated since 3.16
+		217: Getdents64,
+		218: SetTidAddress,
+		219: RestartSyscall,
+		//     220: Semtimedop, TODO
+		221: Fadvise64,
+		//     222: TimerCreate, TODO
+		//     223: TimerSettime, TODO
+		//     224: TimerGettime, TODO
+		//     225: TimerGetoverrun, TODO
+		//     226: TimerDelete, TODO
+		227: ClockSettime,
+		228: ClockGettime,
+		229: ClockGetres,
+		230: ClockNanosleep,
+		231: ExitGroup,
+		232: EpollWait,
+		233: EpollCtl,
+		234: Tgkill,
+		235: Utimes,
+		236: syscalls.Error(syscall.ENOSYS),        // Vserver, not implemented by Linux
+		237: syscalls.CapError(linux.CAP_SYS_NICE), // Mbind, may require cap_sys_nice TODO
+		238: SetMempolicy,
+		239: GetMempolicy,
+		//     240: MqOpen, TODO
+		//     241: MqUnlink, TODO
+		//     242: MqTimedsend, TODO
+		//     243: MqTimedreceive, TODO
+		//     244: MqNotify, TODO
+		//     245: MqGetsetattr, TODO
+		246: syscalls.CapError(linux.CAP_SYS_BOOT), // kexec_load, requires cap_sys_boot
+		247: Waitid,
+		248: syscalls.Error(syscall.EACCES),         // AddKey, not available to user
+		249: syscalls.Error(syscall.EACCES),         // RequestKey, not available to user
+		250: syscalls.Error(syscall.EACCES),         // Keyctl, not available to user
+		251: syscalls.CapError(linux.CAP_SYS_ADMIN), // IoprioSet, requires cap_sys_nice or cap_sys_admin (depending)
+		252: syscalls.CapError(linux.CAP_SYS_ADMIN), // IoprioGet, requires cap_sys_nice or cap_sys_admin (depending)
+		253: InotifyInit,
+		254: InotifyAddWatch,
+		255: InotifyRmWatch,
+		256: syscalls.CapError(linux.CAP_SYS_NICE), // MigratePages, requires cap_sys_nice
+		257: Openat,
+		258: Mkdirat,
+		259: Mknodat,
+		260: Fchownat,
+		261: Futimesat,
+		262: Fstatat,
+		263: Unlinkat,
+		264: Renameat,
+		265: Linkat,
+		266: Symlinkat,
+		267: Readlinkat,
+		268: Fchmodat,
+		269: Faccessat,
+		270: Pselect,
+		271: Ppoll,
+		272: Unshare,
+		273: syscalls.Error(syscall.ENOSYS), // SetRobustList, obsolete
+		274: syscalls.Error(syscall.ENOSYS), // GetRobustList, obsolete
+		//     275: Splice, TODO
+		//     276: Tee, TODO
+		//     277: SyncFileRange, TODO
+		//     278: Vmsplice, TODO
+		279: syscalls.CapError(linux.CAP_SYS_NICE), // MovePages, requires cap_sys_nice (mostly)
+		280: Utimensat,
+		281: EpollPwait,
+		//     282: Signalfd, TODO
+		283: TimerfdCreate,
+		284: Eventfd,
+		285: Fallocate,
+		286: TimerfdSettime,
+		287: TimerfdGettime,
+		288: Accept4,
+		//     289: Signalfd4, TODO
+		290: Eventfd2,
+		291: EpollCreate1,
+		292: Dup3,
+		293: Pipe2,
+		294: InotifyInit1,
+		295: Preadv,
+		296: Pwritev,
+		297: RtTgsigqueueinfo,
+		298: syscalls.ErrorWithEvent(syscall.ENODEV), // PerfEventOpen, no support for perf counters
+		299: RecvMMsg,
+		300: syscalls.ErrorWithEvent(syscall.ENOSYS), // FanotifyInit, needs CONFIG_FANOTIFY
+		301: syscalls.ErrorWithEvent(syscall.ENOSYS), // FanotifyMark, needs CONFIG_FANOTIFY
+		302: Prlimit64,
+		303: syscalls.ErrorWithEvent(syscall.EOPNOTSUPP), // NameToHandleAt, needs filesystem support
+		304: syscalls.ErrorWithEvent(syscall.EOPNOTSUPP), // OpenByHandleAt, needs filesystem support
+		305: syscalls.CapError(linux.CAP_SYS_TIME),       // ClockAdjtime, requires cap_sys_time
+		306: Syncfs,
+		307: SendMMsg,
+		//     308: Setns, TODO
+		309: Getcpu,
+		//     310: ProcessVmReadv, TODO may require cap_sys_ptrace
+		//     311: ProcessVmWritev, TODO may require cap_sys_ptrace
+		312: syscalls.CapError(linux.CAP_SYS_PTRACE), // Kcmp, requires cap_sys_ptrace
+		313: syscalls.CapError(linux.CAP_SYS_MODULE), // FinitModule, requires cap_sys_module
+		// "Backports."
+		318: GetRandom,
+	},
+
+	Emulate: map[usermem.Addr]uintptr{
+		0xffffffffff600000: 96,  // vsyscall gettimeofday(2)
+		0xffffffffff600400: 201, // vsyscall time(2)
+		0xffffffffff600800: 309, // vsyscall getcpu(2)
+	},
+	Missing: func(t *kernel.Task, sysno uintptr, args arch.SyscallArguments) (uintptr, error) {
+		syscalls.UnimplementedEvent(t)
+		return 0, syserror.ENOSYS
+	},
+}