// Copyright 2018 Google LLC
//
// 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.

// This program will take a single golang source file, or a directory containing
// many source files and produce a JSON output which represent any comments
// containing compatibility metadata.

// Command parse-syscall-annotations parses syscall annotations from Godoc and
// generates a JSON file with the parsed syscall info.

package main

// ReverseSyscallMap is a map of syscall name (lowercase) to number
var ReverseSyscallMap map[string]int

// SyscallMap is a map of syscall number to syscall name (lowercase)
var SyscallMap = map[int]string{
	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",
	30:  "shmat",
	31:  "shmctl",
	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",
	68:  "msgget",
	69:  "msgsnd",
	70:  "msgrcv",
	71:  "msgctl",
	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",
	123: "setfsgid",
	124: "getsid",
	125: "capget",
	126: "capset",
	127: "rtsigpending",
	128: "rtsigtimedwait",
	129: "rtsigqueueinfo",
	130: "rtsigsuspend",
	131: "sigaltstack",
	132: "utime",
	133: "mknod",
	134: "uselib",
	135: "setpersonality",
	136: "ustat",
	137: "statfs",
	138: "fstatfs",
	139: "sysfs",
	140: "getpriority",
	141: "setpriority",
	142: "schedsetparam",
	143: "schedgetparam",
	144: "schedsetscheduler",
	145: "schedgetscheduler",
	146: "schedgetprioritymax",
	147: "schedgetprioritymin",
	148: "schedrrgetinterval",
	149: "mlock",
	150: "munlock",
	151: "mlockall",
	152: "munlockall",
	153: "vhangup",
	154: "modifyldt",
	155: "pivotroot",
	156: "sysctl",
	157: "prctl",
	158: "archprctl",
	159: "adjtimex",
	160: "setrlimit",
	161: "chroot",
	162: "sync",
	163: "acct",
	164: "settimeofday",
	165: "mount",
	166: "umount2",
	167: "swapon",
	168: "swapoff",
	169: "reboot",
	170: "sethostname",
	171: "setdomainname",
	172: "iopl",
	173: "ioperm",
	174: "createmodule",
	175: "initmodule",
	176: "deletemodule",
	177: "getkernelsyms",
	178: "querymodule",
	179: "quotactl",
	180: "nfsservctl",
	181: "getpmsg",
	182: "putpmsg",
	183: "afssyscall",
	184: "tuxcall",
	185: "security",
	186: "gettid",
	187: "readahead",
	188: "setxattr",
	189: "lsetxattr",
	190: "fsetxattr",
	191: "getxattr",
	192: "lgetxattr",
	193: "fgetxattr",
	194: "listxattr",
	195: "llistxattr",
	196: "flistxattr",
	197: "removexattr",
	198: "lremovexattr",
	199: "fremovexattr",
	200: "tkill",
	201: "time",
	202: "futex",
	203: "schedsetaffinity",
	204: "schedgetaffinity",
	205: "setthreadarea",
	206: "iosetup",
	207: "iodestroy",
	208: "iogetevents",
	209: "iosubmit",
	210: "iocancel",
	211: "getthreadarea",
	212: "lookupdcookie",
	213: "epollcreate",
	214: "epollctlold",
	215: "epollwaitold",
	216: "remapfilepages",
	217: "getdents64",
	218: "settidaddress",
	219: "restartsyscall",
	220: "semtimedop",
	221: "fadvise64",
	222: "timercreate",
	223: "timersettime",
	224: "timergettime",
	225: "timergetoverrun",
	226: "timerdelete",
	227: "clocksettime",
	228: "clockgettime",
	229: "clockgetres",
	230: "clocknanosleep",
	231: "exitgroup",
	232: "epollwait",
	233: "epollctl",
	234: "tgkill",
	235: "utimes",
	236: "vserver",
	237: "mbind",
	238: "setmempolicy",
	239: "getmempolicy",
	240: "mqopen",
	241: "mqunlink",
	242: "mqtimedsend",
	243: "mqtimedreceive",
	244: "mqnotify",
	245: "mqgetsetattr",
	246: "kexec_load",
	247: "waitid",
	248: "addkey",
	249: "requestkey",
	250: "keyctl",
	251: "ioprioset",
	252: "ioprioget",
	253: "inotifyinit",
	254: "inotifyaddwatch",
	255: "inotifyrmwatch",
	256: "migratepages",
	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: "setrobustlist",
	274: "getrobustlist",
	275: "splice",
	276: "tee",
	277: "syncfilerange",
	278: "vmsplice",
	279: "movepages",
	280: "utimensat",
	281: "epollpwait",
	282: "signalfd",
	283: "timerfdcreate",
	284: "eventfd",
	285: "fallocate",
	286: "timerfdsettime",
	287: "timerfdgettime",
	288: "accept4",
	289: "signalfd4",
	290: "eventfd2",
	291: "epollcreate1",
	292: "dup3",
	293: "pipe2",
	294: "inotifyinit1",
	295: "preadv",
	296: "pwritev",
	297: "rttgsigqueueinfo",
	298: "perfeventopen",
	299: "recvmmsg",
	300: "fanotifyinit",
	301: "fanotifymark",
	302: "prlimit64",
	303: "nametohandleat",
	304: "openbyhandleat",
	305: "clockadjtime",
	306: "syncfs",
	307: "sendmmsg",
	308: "setns",
	309: "getcpu",
	310: "processvmreadv",
	311: "processvmwritev",
	312: "kcmp",
	313: "finitmodule",
	314: "schedsetattr",
	315: "schedgetattr",
	316: "renameat2",
	317: "seccomp",
	318: "getrandom",
	319: "memfdcreate",
	320: "kexecfileload",
	321: "bpf",
	322: "execveat",
	323: "userfaultfd",
	324: "membarrier",
	325: "mlock2",
	// syscalls after 325 are "backports" from versions of linux after 4.4.
	326: "copyfilerange",
	327: "preadv2",
	328: "pwritev2",
}