vendor/golang.org/x/sys/unix/mkerrors.sh

   1 #!/usr/bin/env bash
   2 # Copyright 2009 The Go Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style
   4 # license that can be found in the LICENSE file.
   5
   6 # Generate Go code listing errors and other #defined constant
   7 # values (ENAMETOOLONG etc.), by asking the preprocessor
   8 # about the definitions.
   9
  10 unset LANG
  11 export LC_ALL=C
  12 export LC_CTYPE=C
  13
  14 if test -z "$GOARCH" -o -z "$GOOS"; then
  15         echo 1>&2 "GOARCH or GOOS not defined in environment"
  16         exit 1
  17 fi
  18
  19 # Check that we are using the new build system if we should
  20 if [[ "$GOOS" = "linux" ]] && [[ "$GOLANG_SYS_BUILD" != "docker" ]]; then
  21         echo 1>&2 "In the Docker based build system, mkerrors should not be called directly."
  22         echo 1>&2 "See README.md"
  23         exit 1
  24 fi
  25
  26 if [[ "$GOOS" = "aix" ]]; then
  27         CC=${CC:-gcc}
  28 else
  29         CC=${CC:-cc}
  30 fi
  31
  32 if [[ "$GOOS" = "solaris" ]]; then
  33         # Assumes GNU versions of utilities in PATH.
  34         export PATH=/usr/gnu/bin:$PATH
  35 fi
  36
  37 uname=$(uname)
  38
  39 includes_AIX='
  40 #include <net/if.h>
  41 #include <net/netopt.h>
  42 #include <netinet/ip_mroute.h>
  43 #include <sys/protosw.h>
  44 #include <sys/stropts.h>
  45 #include <sys/mman.h>
  46 #include <sys/poll.h>
  47 #include <sys/select.h>
  48 #include <sys/termio.h>
  49 #include <termios.h>
  50 #include <fcntl.h>
  51
  52 #define AF_LOCAL AF_UNIX
  53 '
  54
  55 includes_Darwin='
  56 #define _DARWIN_C_SOURCE
  57 #define KERNEL 1
  58 #define _DARWIN_USE_64_BIT_INODE
  59 #define __APPLE_USE_RFC_3542
  60 #include <stdint.h>
  61 #include <sys/attr.h>
  62 #include <sys/clonefile.h>
  63 #include <sys/kern_control.h>
  64 #include <sys/types.h>
  65 #include <sys/event.h>
  66 #include <sys/ptrace.h>
  67 #include <sys/select.h>
  68 #include <sys/socket.h>
  69 #include <sys/un.h>
  70 #include <sys/sockio.h>
  71 #include <sys/sys_domain.h>
  72 #include <sys/sysctl.h>
  73 #include <sys/mman.h>
  74 #include <sys/mount.h>
  75 #include <sys/utsname.h>
  76 #include <sys/wait.h>
  77 #include <sys/xattr.h>
  78 #include <sys/vsock.h>
  79 #include <net/bpf.h>
  80 #include <net/if.h>
  81 #include <net/if_types.h>
  82 #include <net/route.h>
  83 #include <netinet/in.h>
  84 #include <netinet/ip.h>
  85 #include <termios.h>
  86
  87 // for backwards compatibility because moved TIOCREMOTE to Kernel.framework after MacOSX12.0.sdk.
  88 #define TIOCREMOTE 0x80047469
  89 '
  90
  91 includes_DragonFly='
  92 #include <sys/types.h>
  93 #include <sys/event.h>
  94 #include <sys/select.h>
  95 #include <sys/socket.h>
  96 #include <sys/sockio.h>
  97 #include <sys/stat.h>
  98 #include <sys/sysctl.h>
  99 #include <sys/mman.h>
 100 #include <sys/mount.h>
 101 #include <sys/wait.h>
 102 #include <sys/ioctl.h>
 103 #include <net/bpf.h>
 104 #include <net/if.h>
 105 #include <net/if_clone.h>
 106 #include <net/if_types.h>
 107 #include <net/route.h>
 108 #include <netinet/in.h>
 109 #include <termios.h>
 110 #include <netinet/ip.h>
 111 #include <net/ip_mroute/ip_mroute.h>
 112 '
 113
 114 includes_FreeBSD='
 115 #include <sys/capsicum.h>
 116 #include <sys/param.h>
 117 #include <sys/types.h>
 118 #include <sys/disk.h>
 119 #include <sys/event.h>
 120 #include <sys/sched.h>
 121 #include <sys/select.h>
 122 #include <sys/socket.h>
 123 #include <sys/un.h>
 124 #include <sys/sockio.h>
 125 #include <sys/stat.h>
 126 #include <sys/sysctl.h>
 127 #include <sys/mman.h>
 128 #include <sys/mount.h>
 129 #include <sys/wait.h>
 130 #include <sys/ioctl.h>
 131 #include <sys/ptrace.h>
 132 #include <net/bpf.h>
 133 #include <net/if.h>
 134 #include <net/if_types.h>
 135 #include <net/route.h>
 136 #include <netinet/in.h>
 137 #include <termios.h>
 138 #include <netinet/ip.h>
 139 #include <netinet/ip_mroute.h>
 140 #include <sys/extattr.h>
 141
 142 #if __FreeBSD__ >= 10
 143 #define IFT_CARP        0xf8    // IFT_CARP is deprecated in FreeBSD 10
 144 #undef SIOCAIFADDR
 145 #define SIOCAIFADDR     _IOW(105, 26, struct oifaliasreq)       // ifaliasreq contains if_data
 146 #undef SIOCSIFPHYADDR
 147 #define SIOCSIFPHYADDR  _IOW(105, 70, struct oifaliasreq)       // ifaliasreq contains if_data
 148 #endif
 149 '
 150
 151 includes_Linux='
 152 #define _LARGEFILE_SOURCE
 153 #define _LARGEFILE64_SOURCE
 154 #ifndef __LP64__
 155 #define _FILE_OFFSET_BITS 64
 156 #endif
 157 #define _GNU_SOURCE
 158
 159 // <sys/ioctl.h> is broken on powerpc64, as it fails to include definitions of
 160 // these structures. We just include them copied from <bits/termios.h>.
 161 #if defined(__powerpc__)
 162 struct sgttyb {
 163         char    sg_ispeed;
 164         char    sg_ospeed;
 165         char    sg_erase;
 166         char    sg_kill;
 167         short   sg_flags;
 168 };
 169
 170 struct tchars {
 171         char    t_intrc;
 172         char    t_quitc;
 173         char    t_startc;
 174         char    t_stopc;
 175         char    t_eofc;
 176         char    t_brkc;
 177 };
 178
 179 struct ltchars {
 180         char    t_suspc;
 181         char    t_dsuspc;
 182         char    t_rprntc;
 183         char    t_flushc;
 184         char    t_werasc;
 185         char    t_lnextc;
 186 };
 187 #endif
 188
 189 #include <bits/sockaddr.h>
 190 #include <sys/epoll.h>
 191 #include <sys/eventfd.h>
 192 #include <sys/inotify.h>
 193 #include <sys/ioctl.h>
 194 #include <sys/mman.h>
 195 #include <sys/mount.h>
 196 #include <sys/prctl.h>
 197 #include <sys/stat.h>
 198 #include <sys/types.h>
 199 #include <sys/time.h>
 200 #include <sys/select.h>
 201 #include <sys/signalfd.h>
 202 #include <sys/socket.h>
 203 #include <sys/timerfd.h>
 204 #include <sys/uio.h>
 205 #include <sys/xattr.h>
 206 #include <linux/audit.h>
 207 #include <linux/bpf.h>
 208 #include <linux/can.h>
 209 #include <linux/can/error.h>
 210 #include <linux/can/netlink.h>
 211 #include <linux/can/raw.h>
 212 #include <linux/capability.h>
 213 #include <linux/cryptouser.h>
 214 #include <linux/devlink.h>
 215 #include <linux/dm-ioctl.h>
 216 #include <linux/errqueue.h>
 217 #include <linux/ethtool_netlink.h>
 218 #include <linux/falloc.h>
 219 #include <linux/fanotify.h>
 220 #include <linux/fib_rules.h>
 221 #include <linux/filter.h>
 222 #include <linux/fs.h>
 223 #include <linux/fscrypt.h>
 224 #include <linux/fsverity.h>
 225 #include <linux/genetlink.h>
 226 #include <linux/hdreg.h>
 227 #include <linux/hidraw.h>
 228 #include <linux/if.h>
 229 #include <linux/if_addr.h>
 230 #include <linux/if_alg.h>
 231 #include <linux/if_arp.h>
 232 #include <linux/if_ether.h>
 233 #include <linux/if_ppp.h>
 234 #include <linux/if_tun.h>
 235 #include <linux/if_packet.h>
 236 #include <linux/if_xdp.h>
 237 #include <linux/input.h>
 238 #include <linux/kcm.h>
 239 #include <linux/kexec.h>
 240 #include <linux/keyctl.h>
 241 #include <linux/landlock.h>
 242 #include <linux/loop.h>
 243 #include <linux/lwtunnel.h>
 244 #include <linux/magic.h>
 245 #include <linux/memfd.h>
 246 #include <linux/module.h>
 247 #include <linux/mount.h>
 248 #include <linux/netfilter/nfnetlink.h>
 249 #include <linux/netlink.h>
 250 #include <linux/net_namespace.h>
 251 #include <linux/nfc.h>
 252 #include <linux/nsfs.h>
 253 #include <linux/perf_event.h>
 254 #include <linux/pps.h>
 255 #include <linux/ptrace.h>
 256 #include <linux/random.h>
 257 #include <linux/reboot.h>
 258 #include <linux/rtc.h>
 259 #include <linux/rtnetlink.h>
 260 #include <linux/sched.h>
 261 #include <linux/seccomp.h>
 262 #include <linux/serial.h>
 263 #include <linux/sockios.h>
 264 #include <linux/taskstats.h>
 265 #include <linux/tipc.h>
 266 #include <linux/vm_sockets.h>
 267 #include <linux/wait.h>
 268 #include <linux/watchdog.h>
 269 #include <linux/wireguard.h>
 270
 271 #include <mtd/ubi-user.h>
 272 #include <mtd/mtd-user.h>
 273 #include <net/route.h>
 274
 275 #if defined(__sparc__)
 276 // On sparc{,64}, the kernel defines struct termios2 itself which clashes with the
 277 // definition in glibc. As only the error constants are needed here, include the
 278 // generic termibits.h (which is included by termbits.h on sparc).
 279 #include <asm-generic/termbits.h>
 280 #else
 281 #include <asm/termbits.h>
 282 #endif
 283
 284 #ifndef MSG_FASTOPEN
 285 #define MSG_FASTOPEN    0x20000000
 286 #endif
 287
 288 #ifndef PTRACE_GETREGS
 289 #define PTRACE_GETREGS  0xc
 290 #endif
 291
 292 #ifndef PTRACE_SETREGS
 293 #define PTRACE_SETREGS  0xd
 294 #endif
 295
 296 #ifndef SOL_NETLINK
 297 #define SOL_NETLINK     270
 298 #endif
 299
 300 #ifndef SOL_SMC
 301 #define SOL_SMC 286
 302 #endif
 303
 304 #ifdef SOL_BLUETOOTH
 305 // SPARC includes this in /usr/include/sparc64-linux-gnu/bits/socket.h
 306 // but it is already in bluetooth_linux.go
 307 #undef SOL_BLUETOOTH
 308 #endif
 309
 310 // Certain constants are missing from the fs/crypto UAPI
 311 #define FS_KEY_DESC_PREFIX              "fscrypt:"
 312 #define FS_KEY_DESC_PREFIX_SIZE         8
 313 #define FS_MAX_KEY_SIZE                 64
 314
 315 // The code generator produces -0x1 for (~0), but an unsigned value is necessary
 316 // for the tipc_subscr timeout __u32 field.
 317 #undef TIPC_WAIT_FOREVER
 318 #define TIPC_WAIT_FOREVER 0xffffffff
 319
 320 // Copied from linux/l2tp.h
 321 // Including linux/l2tp.h here causes conflicts between linux/in.h
 322 // and netinet/in.h included via net/route.h above.
 323 #define IPPROTO_L2TP            115
 324
 325 // Copied from linux/hid.h.
 326 // Keep in sync with the size of the referenced fields.
 327 #define _HIDIOCGRAWNAME_LEN     128 // sizeof_field(struct hid_device, name)
 328 #define _HIDIOCGRAWPHYS_LEN     64  // sizeof_field(struct hid_device, phys)
 329 #define _HIDIOCGRAWUNIQ_LEN     64  // sizeof_field(struct hid_device, uniq)
 330
 331 #define _HIDIOCGRAWNAME         HIDIOCGRAWNAME(_HIDIOCGRAWNAME_LEN)
 332 #define _HIDIOCGRAWPHYS         HIDIOCGRAWPHYS(_HIDIOCGRAWPHYS_LEN)
 333 #define _HIDIOCGRAWUNIQ         HIDIOCGRAWUNIQ(_HIDIOCGRAWUNIQ_LEN)
 334
 335 '
 336
 337 includes_NetBSD='
 338 #include <sys/types.h>
 339 #include <sys/param.h>
 340 #include <sys/event.h>
 341 #include <sys/extattr.h>
 342 #include <sys/mman.h>
 343 #include <sys/mount.h>
 344 #include <sys/sched.h>
 345 #include <sys/select.h>
 346 #include <sys/socket.h>
 347 #include <sys/sockio.h>
 348 #include <sys/sysctl.h>
 349 #include <sys/termios.h>
 350 #include <sys/ttycom.h>
 351 #include <sys/wait.h>
 352 #include <net/bpf.h>
 353 #include <net/if.h>
 354 #include <net/if_types.h>
 355 #include <net/route.h>
 356 #include <netinet/in.h>
 357 #include <netinet/in_systm.h>
 358 #include <netinet/ip.h>
 359 #include <netinet/ip_mroute.h>
 360 #include <netinet/if_ether.h>
 361
 362 // Needed since <sys/param.h> refers to it...
 363 #define schedppq 1
 364 '
 365
 366 includes_OpenBSD='
 367 #include <sys/types.h>
 368 #include <sys/param.h>
 369 #include <sys/event.h>
 370 #include <sys/mman.h>
 371 #include <sys/mount.h>
 372 #include <sys/select.h>
 373 #include <sys/sched.h>
 374 #include <sys/socket.h>
 375 #include <sys/sockio.h>
 376 #include <sys/stat.h>
 377 #include <sys/sysctl.h>
 378 #include <sys/termios.h>
 379 #include <sys/ttycom.h>
 380 #include <sys/unistd.h>
 381 #include <sys/wait.h>
 382 #include <net/bpf.h>
 383 #include <net/if.h>
 384 #include <net/if_types.h>
 385 #include <net/if_var.h>
 386 #include <net/route.h>
 387 #include <netinet/in.h>
 388 #include <netinet/in_systm.h>
 389 #include <netinet/ip.h>
 390 #include <netinet/ip_mroute.h>
 391 #include <netinet/if_ether.h>
 392 #include <net/if_bridge.h>
 393
 394 // We keep some constants not supported in OpenBSD 5.5 and beyond for
 395 // the promise of compatibility.
 396 #define EMUL_ENABLED            0x1
 397 #define EMUL_NATIVE             0x2
 398 #define IPV6_FAITH              0x1d
 399 #define IPV6_OPTIONS            0x1
 400 #define IPV6_RTHDR_STRICT       0x1
 401 #define IPV6_SOCKOPT_RESERVED1  0x3
 402 #define SIOCGIFGENERIC          0xc020693a
 403 #define SIOCSIFGENERIC          0x80206939
 404 #define WALTSIG                 0x4
 405 '
 406
 407 includes_SunOS='
 408 #include <limits.h>
 409 #include <sys/types.h>
 410 #include <sys/select.h>
 411 #include <sys/socket.h>
 412 #include <sys/sockio.h>
 413 #include <sys/stat.h>
 414 #include <sys/stream.h>
 415 #include <sys/mman.h>
 416 #include <sys/wait.h>
 417 #include <sys/ioctl.h>
 418 #include <sys/mkdev.h>
 419 #include <net/bpf.h>
 420 #include <net/if.h>
 421 #include <net/if_arp.h>
 422 #include <net/if_types.h>
 423 #include <net/route.h>
 424 #include <netinet/icmp6.h>
 425 #include <netinet/in.h>
 426 #include <netinet/ip.h>
 427 #include <netinet/ip_mroute.h>
 428 #include <termios.h>
 429 '
 430
 431
 432 includes='
 433 #include <sys/types.h>
 434 #include <sys/file.h>
 435 #include <fcntl.h>
 436 #include <dirent.h>
 437 #include <sys/socket.h>
 438 #include <netinet/in.h>
 439 #include <netinet/ip.h>
 440 #include <netinet/ip6.h>
 441 #include <netinet/tcp.h>
 442 #include <errno.h>
 443 #include <sys/signal.h>
 444 #include <signal.h>
 445 #include <sys/resource.h>
 446 #include <time.h>
 447 '
 448 ccflags="$@"
 449
 450 # Write go tool cgo -godefs input.
 451 (
 452         echo package unix
 453         echo
 454         echo '/*'
 455         indirect="includes_$(uname)"
 456         echo "${!indirect} $includes"
 457         echo '*/'
 458         echo 'import "C"'
 459         echo 'import "syscall"'
 460         echo
 461         echo 'const ('
 462
 463         # The gcc command line prints all the #defines
 464         # it encounters while processing the input
 465         echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags |
 466         awk '
 467                 $1 != "#define" || $2 ~ /\(/ || $3 == "" {next}
 468
 469                 $2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next}  # 386 registers
 470                 $2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next}
 471                 $2 ~ /^(SCM_SRCRT)$/ {next}
 472                 $2 ~ /^(MAP_FAILED)$/ {next}
 473                 $2 ~ /^ELF_.*$/ {next}# <asm/elf.h> contains ELF_ARCH, etc.
 474
 475                 $2 ~ /^EXTATTR_NAMESPACE_NAMES/ ||
 476                 $2 ~ /^EXTATTR_NAMESPACE_[A-Z]+_STRING/ {next}
 477
 478                 $2 !~ /^ECCAPBITS/ &&
 479                 $2 !~ /^ETH_/ &&
 480                 $2 !~ /^EPROC_/ &&
 481                 $2 !~ /^EQUIV_/ &&
 482                 $2 !~ /^EXPR_/ &&
 483                 $2 !~ /^EVIOC/ &&
 484                 $2 ~ /^E[A-Z0-9_]+$/ ||
 485                 $2 ~ /^B[0-9_]+$/ ||
 486                 $2 ~ /^(OLD|NEW)DEV$/ ||
 487                 $2 == "BOTHER" ||
 488                 $2 ~ /^CI?BAUD(EX)?$/ ||
 489                 $2 == "IBSHIFT" ||
 490                 $2 ~ /^V[A-Z0-9]+$/ ||
 491                 $2 ~ /^CS[A-Z0-9]/ ||
 492                 $2 ~ /^I(SIG|CANON|CRNL|UCLC|EXTEN|MAXBEL|STRIP|UTF8)$/ ||
 493                 $2 ~ /^IGN/ ||
 494                 $2 ~ /^IX(ON|ANY|OFF)$/ ||
 495                 $2 ~ /^IN(LCR|PCK)$/ ||
 496                 $2 !~ "X86_CR3_PCID_NOFLUSH" &&
 497                 $2 ~ /(^FLU?SH)|(FLU?SH$)/ ||
 498                 $2 ~ /^C(LOCAL|READ|MSPAR|RTSCTS)$/ ||
 499                 $2 == "BRKINT" ||
 500                 $2 == "HUPCL" ||
 501                 $2 == "PENDIN" ||
 502                 $2 == "TOSTOP" ||
 503                 $2 == "XCASE" ||
 504                 $2 == "ALTWERASE" ||
 505                 $2 == "NOKERNINFO" ||
 506                 $2 == "NFDBITS" ||
 507                 $2 ~ /^PAR/ ||
 508                 $2 ~ /^SIG[^_]/ ||
 509                 $2 ~ /^O[CNPFPL][A-Z]+[^_][A-Z]+$/ ||
 510                 $2 ~ /^(NL|CR|TAB|BS|VT|FF)DLY$/ ||
 511                 $2 ~ /^(NL|CR|TAB|BS|VT|FF)[0-9]$/ ||
 512                 $2 ~ /^O?XTABS$/ ||
 513                 $2 ~ /^TC[IO](ON|OFF)$/ ||
 514                 $2 ~ /^IN_/ ||
 515                 $2 ~ /^KCM/ ||
 516                 $2 ~ /^LANDLOCK_/ ||
 517                 $2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
 518                 $2 ~ /^LO_(KEY|NAME)_SIZE$/ ||
 519                 $2 ~ /^LOOP_(CLR|CTL|GET|SET)_/ ||
 520                 $2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|TCP|MCAST|EVFILT|NOTE|SHUT|PROT|MAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR|LOCAL|TCPOPT)_/ ||
 521                 $2 ~ /^NFC_(GENL|PROTO|COMM|RF|SE|DIRECTION|LLCP|SOCKPROTO)_/ ||
 522                 $2 ~ /^NFC_.*_(MAX)?SIZE$/ ||
 523                 $2 ~ /^RAW_PAYLOAD_/ ||
 524                 $2 ~ /^TP_STATUS_/ ||
 525                 $2 ~ /^FALLOC_/ ||
 526                 $2 ~ /^ICMPV?6?_(FILTER|SEC)/ ||
 527                 $2 == "SOMAXCONN" ||
 528                 $2 == "NAME_MAX" ||
 529                 $2 == "IFNAMSIZ" ||
 530                 $2 ~ /^CTL_(HW|KERN|MAXNAME|NET|QUERY)$/ ||
 531                 $2 ~ /^KERN_(HOSTNAME|OS(RELEASE|TYPE)|VERSION)$/ ||
 532                 $2 ~ /^HW_MACHINE$/ ||
 533                 $2 ~ /^SYSCTL_VERS/ ||
 534                 $2 !~ "MNT_BITS" &&
 535                 $2 ~ /^(MS|MNT|MOUNT|UMOUNT)_/ ||
 536                 $2 ~ /^NS_GET_/ ||
 537                 $2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
 538                 $2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT|PIOD|TFD)_/ ||
 539                 $2 ~ /^KEXEC_/ ||
 540                 $2 ~ /^LINUX_REBOOT_CMD_/ ||
 541                 $2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
 542                 $2 ~ /^MODULE_INIT_/ ||
 543                 $2 !~ "NLA_TYPE_MASK" &&
 544                 $2 !~ /^RTC_VL_(ACCURACY|BACKUP|DATA)/ &&
 545                 $2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTC|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P|NETNSA)_/ ||
 546                 $2 ~ /^FIORDCHK$/ ||
 547                 $2 ~ /^SIOC/ ||
 548                 $2 ~ /^TIOC/ ||
 549                 $2 ~ /^TCGET/ ||
 550                 $2 ~ /^TCSET/ ||
 551                 $2 ~ /^TC(FLSH|SBRKP?|XONC)$/ ||
 552                 $2 !~ "RTF_BITS" &&
 553                 $2 ~ /^(IFF|IFT|NET_RT|RTM(GRP)?|RTF|RTV|RTA|RTAX)_/ ||
 554                 $2 ~ /^BIOC/ ||
 555                 $2 ~ /^DIOC/ ||
 556                 $2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ ||
 557                 $2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|LOCKS|MEMLOCK|MSGQUEUE|NICE|NOFILE|NPROC|RSS|RTPRIO|RTTIME|SIGPENDING|STACK)|RLIM_INFINITY/ ||
 558                 $2 ~ /^PRIO_(PROCESS|PGRP|USER)/ ||
 559                 $2 ~ /^CLONE_[A-Z_]+/ ||
 560                 $2 !~ /^(BPF_TIMEVAL|BPF_FIB_LOOKUP_[A-Z]+)$/ &&
 561                 $2 ~ /^(BPF|DLT)_/ ||
 562                 $2 ~ /^AUDIT_/ ||
 563                 $2 ~ /^(CLOCK|TIMER)_/ ||
 564                 $2 ~ /^CAN_/ ||
 565                 $2 ~ /^CAP_/ ||
 566                 $2 ~ /^CP_/ ||
 567                 $2 ~ /^CPUSTATES$/ ||
 568                 $2 ~ /^CTLIOCGINFO$/ ||
 569                 $2 ~ /^ALG_/ ||
 570                 $2 ~ /^FI(CLONE|DEDUPERANGE)/ ||
 571                 $2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE)/ ||
 572                 $2 ~ /^FS_IOC_.*(ENCRYPTION|VERITY|[GS]ETFLAGS)/ ||
 573                 $2 ~ /^FS_VERITY_/ ||
 574                 $2 ~ /^FSCRYPT_/ ||
 575                 $2 ~ /^DM_/ ||
 576                 $2 ~ /^GRND_/ ||
 577                 $2 ~ /^RND/ ||
 578                 $2 ~ /^KEY_(SPEC|REQKEY_DEFL)_/ ||
 579                 $2 ~ /^KEYCTL_/ ||
 580                 $2 ~ /^PERF_/ ||
 581                 $2 ~ /^SECCOMP_MODE_/ ||
 582                 $2 ~ /^SEEK_/ ||
 583                 $2 ~ /^SPLICE_/ ||
 584                 $2 ~ /^SYNC_FILE_RANGE_/ ||
 585                 $2 !~ /IOC_MAGIC/ &&
 586                 $2 ~ /^[A-Z][A-Z0-9_]+_MAGIC2?$/ ||
 587                 $2 ~ /^(VM|VMADDR)_/ ||
 588                 $2 ~ /^IOCTL_VM_SOCKETS_/ ||
 589                 $2 ~ /^(TASKSTATS|TS)_/ ||
 590                 $2 ~ /^CGROUPSTATS_/ ||
 591                 $2 ~ /^GENL_/ ||
 592                 $2 ~ /^STATX_/ ||
 593                 $2 ~ /^RENAME/ ||
 594                 $2 ~ /^UBI_IOC[A-Z]/ ||
 595                 $2 ~ /^UTIME_/ ||
 596                 $2 ~ /^XATTR_(CREATE|REPLACE|NO(DEFAULT|FOLLOW|SECURITY)|SHOWCOMPRESSION)/ ||
 597                 $2 ~ /^ATTR_(BIT_MAP_COUNT|(CMN|VOL|FILE)_)/ ||
 598                 $2 ~ /^FSOPT_/ ||
 599                 $2 ~ /^WDIO[CFS]_/ ||
 600                 $2 ~ /^NFN/ ||
 601                 $2 ~ /^XDP_/ ||
 602                 $2 ~ /^RWF_/ ||
 603                 $2 ~ /^(HDIO|WIN|SMART)_/ ||
 604                 $2 ~ /^CRYPTO_/ ||
 605                 $2 ~ /^TIPC_/ ||
 606                 $2 !~  "DEVLINK_RELOAD_LIMITS_VALID_MASK" &&
 607                 $2 ~ /^DEVLINK_/ ||
 608                 $2 ~ /^ETHTOOL_/ ||
 609                 $2 ~ /^LWTUNNEL_IP/ ||
 610                 $2 ~ /^ITIMER_/ ||
 611                 $2 !~ "WMESGLEN" &&
 612                 $2 ~ /^W[A-Z0-9]+$/ ||
 613                 $2 ~ /^P_/ ||
 614                 $2 ~/^PPPIOC/ ||
 615                 $2 ~ /^FAN_|FANOTIFY_/ ||
 616                 $2 == "HID_MAX_DESCRIPTOR_SIZE" ||
 617                 $2 ~ /^_?HIDIOC/ ||
 618                 $2 ~ /^BUS_(USB|HIL|BLUETOOTH|VIRTUAL)$/ ||
 619                 $2 ~ /^MTD/ ||
 620                 $2 ~ /^OTP/ ||
 621                 $2 ~ /^MEM/ ||
 622                 $2 ~ /^WG/ ||
 623                 $2 ~ /^FIB_RULE_/ ||
 624                 $2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE)/ {printf("\t%s = C.%s\n", $2, $2)}
 625                 $2 ~ /^__WCOREFLAG$/ {next}
 626                 $2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)}
 627
 628                 {next}
 629         ' | sort
 630
 631         echo ')'
 632 ) >_const.go
 633
 634 # Pull out the error names for later.
 635 errors=$(
 636         echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
 637         awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' |
 638         sort
 639 )
 640
 641 # Pull out the signal names for later.
 642 signals=$(
 643         echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
 644         awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
 645         grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT\|SIGMAX64' |
 646         sort
 647 )
 648
 649 # Again, writing regexps to a file.
 650 echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
 651         awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' |
 652         sort >_error.grep
 653 echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
 654         awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' |
 655         grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT\|SIGMAX64' |
 656         sort >_signal.grep
 657
 658 echo '// mkerrors.sh' "$@"
 659 echo '// Code generated by the command above; see README.md. DO NOT EDIT.'
 660 echo
 661 echo "//go:build ${GOARCH} && ${GOOS}"
 662 echo "// +build ${GOARCH},${GOOS}"
 663 echo
 664 go tool cgo -godefs -- "$@" _const.go >_error.out
 665 cat _error.out | grep -vf _error.grep | grep -vf _signal.grep
 666 echo
 667 echo '// Errors'
 668 echo 'const ('
 669 cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= syscall.Errno(\1)/'
 670 echo ')'
 671
 672 echo
 673 echo '// Signals'
 674 echo 'const ('
 675 cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= syscall.Signal(\1)/'
 676 echo ')'
 677
 678 # Run C program to print error and syscall strings.
 679 (
 680         echo -E "
 681 #include <stdio.h>
 682 #include <stdlib.h>
 683 #include <errno.h>
 684 #include <ctype.h>
 685 #include <string.h>
 686 #include <signal.h>
 687
 688 #define nelem(x) (sizeof(x)/sizeof((x)[0]))
 689
 690 enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below
 691
 692 struct tuple {
 693         int num;
 694         const char *name;
 695 };
 696
 697 struct tuple errors[] = {
 698 "
 699         for i in $errors
 700         do
 701                 echo -E '       {'$i', "'$i'" },'
 702         done
 703
 704         echo -E "
 705 };
 706
 707 struct tuple signals[] = {
 708 "
 709         for i in $signals
 710         do
 711                 echo -E '       {'$i', "'$i'" },'
 712         done
 713
 714         # Use -E because on some systems bash builtin interprets \n itself.
 715         echo -E '
 716 };
 717
 718 static int
 719 tuplecmp(const void *a, const void *b)
 720 {
 721         return ((struct tuple *)a)->num - ((struct tuple *)b)->num;
 722 }
 723
 724 int
 725 main(void)
 726 {
 727         int i, e;
 728         char buf[1024], *p;
 729
 730         printf("\n\n// Error table\n");
 731         printf("var errorList = [...]struct {\n");
 732         printf("\tnum  syscall.Errno\n");
 733         printf("\tname string\n");
 734         printf("\tdesc string\n");
 735         printf("} {\n");
 736         qsort(errors, nelem(errors), sizeof errors[0], tuplecmp);
 737         for(i=0; i<nelem(errors); i++) {
 738                 e = errors[i].num;
 739                 if(i > 0 && errors[i-1].num == e)
 740                         continue;
 741                 strcpy(buf, strerror(e));
 742                 // lowercase first letter: Bad -> bad, but STREAM -> STREAM.
 743                 if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
 744                         buf[0] += a - A;
 745                 printf("\t{ %d, \"%s\", \"%s\" },\n", e, errors[i].name, buf);
 746         }
 747         printf("}\n\n");
 748
 749         printf("\n\n// Signal table\n");
 750         printf("var signalList = [...]struct {\n");
 751         printf("\tnum  syscall.Signal\n");
 752         printf("\tname string\n");
 753         printf("\tdesc string\n");
 754         printf("} {\n");
 755         qsort(signals, nelem(signals), sizeof signals[0], tuplecmp);
 756         for(i=0; i<nelem(signals); i++) {
 757                 e = signals[i].num;
 758                 if(i > 0 && signals[i-1].num == e)
 759                         continue;
 760                 strcpy(buf, strsignal(e));
 761                 // lowercase first letter: Bad -> bad, but STREAM -> STREAM.
 762                 if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
 763                         buf[0] += a - A;
 764                 // cut trailing : number.
 765                 p = strrchr(buf, ":"[0]);
 766                 if(p)
 767                         *p = '\0';
 768                 printf("\t{ %d, \"%s\", \"%s\" },\n", e, signals[i].name, buf);
 769         }
 770         printf("}\n\n");
 771
 772         return 0;
 773 }
 774
 775 '
 776 ) >_errors.c
 777
 778 $CC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.go _error.grep _signal.grep _error.out