github.com/alexanius/gollvm12@v0.0.0-20230419200121-b152358b84f3/gofrontend/libgo/sysinfo.c (about) 1 /* sysinfo.c -- input for mksysinfo.sh 2 3 Copyright 2009 The Go Authors. All rights reserved. 4 Use of this source code is governed by a BSD-style 5 license that can be found in the LICENSE file. */ 6 7 /* This file is passed to GCC with the -fdump-go-spec option to 8 generate a Go version of the system information. */ 9 10 #include "config.h" 11 12 #include <stddef.h> 13 #include <stdlib.h> 14 #include <stdio.h> 15 #include <sys/types.h> 16 #include <dirent.h> 17 #include <errno.h> 18 #include <fcntl.h> 19 #include <ucontext.h> 20 #include <netinet/in.h> 21 /* <netinet/tcp.h> needs u_char/u_short, but <sys/bsd_types> is only 22 included by <netinet/in.h> if _SGIAPI (i.e. _SGI_SOURCE 23 && !_XOPEN_SOURCE. 24 <sys/termios.h> only defines TIOCNOTTY if !_XOPEN_SOURCE, while 25 <sys/ttold.h> does so unconditionally. */ 26 #ifdef __sgi__ 27 #include <sys/bsd_types.h> 28 #include <sys/ttold.h> 29 #endif 30 #include <netinet/tcp.h> 31 #if defined(HAVE_NETINET_IN_SYSTM_H) 32 #include <netinet/in_systm.h> 33 #endif 34 #if defined(HAVE_NETINET_IP_H) 35 #include <netinet/ip.h> 36 #endif 37 #if defined(HAVE_NETINET_IP_MROUTE_H) 38 #include <netinet/ip_mroute.h> 39 #endif 40 #if defined(HAVE_NETINET_IF_ETHER_H) 41 #include <netinet/if_ether.h> 42 #endif 43 #include <signal.h> 44 #include <sys/ioctl.h> 45 #include <termios.h> 46 #if defined(HAVE_SYSCALL_H) 47 #include <syscall.h> 48 #endif 49 #if defined(HAVE_SYS_SYSCALL_H) 50 #include <sys/syscall.h> 51 #endif 52 #if defined(HAVE_SYS_SYSCTL_H) 53 #include <sys/sysctl.h> 54 #endif 55 #if defined(HAVE_SYS_EPOLL_H) 56 #include <sys/epoll.h> 57 #endif 58 #if defined(HAVE_SYS_EVENT_H) 59 #include <sys/event.h> 60 #endif 61 #if defined(HAVE_SYS_FILE_H) 62 #include <sys/file.h> 63 #endif 64 #if defined(HAVE_SYS_MMAN_H) 65 #include <sys/mman.h> 66 #endif 67 #if defined(HAVE_SYS_PRCTL_H) 68 #include <sys/prctl.h> 69 #endif 70 #if defined(HAVE_SYS_PTRACE_H) 71 #include <sys/ptrace.h> 72 #endif 73 #include <sys/resource.h> 74 #include <sys/uio.h> 75 #include <sys/socket.h> 76 #include <sys/stat.h> 77 #include <sys/time.h> 78 #include <sys/times.h> 79 #include <sys/wait.h> 80 #include <sys/un.h> 81 #if defined(HAVE_SYS_USER_H) 82 #include <sys/user.h> 83 #endif 84 #if defined(HAVE_SYS_UTSNAME_H) 85 #include <sys/utsname.h> 86 #endif 87 #if defined(HAVE_SYS_SELECT_H) 88 #include <sys/select.h> 89 #endif 90 #include <time.h> 91 #include <unistd.h> 92 #include <netdb.h> 93 #include <pwd.h> 94 #include <grp.h> 95 #if defined(HAVE_LINUX_FILTER_H) 96 #include <linux/filter.h> 97 #endif 98 #if defined(HAVE_LINUX_IF_ADDR_H) 99 #include <linux/if_addr.h> 100 #endif 101 #if defined(HAVE_LINUX_IF_ETHER_H) 102 #include <linux/if_ether.h> 103 #endif 104 #if defined(HAVE_LINUX_IF_TUN_H) 105 #include <linux/if_tun.h> 106 #endif 107 #if defined(HAVE_LINUX_NETLINK_H) 108 #include <linux/netlink.h> 109 #endif 110 #if defined(HAVE_LINUX_PTRACE_H) 111 /* Avoid https://sourceware.org/bugzilla/show_bug.cgi?id=762 . */ 112 #define ia64_fpreg pt_ia64_fpreg 113 #define pt_all_user_regs pt_ia64_all_user_regs 114 /* Avoid redefinition of ptrace_peeksiginfo from <sys/ptrace.h>. 115 https://gcc.gnu.org/PR81324 . */ 116 #define ptrace_peeksiginfo_args ignore_ptrace_peeksiginfo_args 117 #include <linux/ptrace.h> 118 #undef ia64_fpreg 119 #undef pt_all_user_regs 120 #undef ptrace_peeksiginfo_args 121 #endif 122 #if defined(HAVE_LINUX_RTNETLINK_H) 123 #include <linux/rtnetlink.h> 124 #endif 125 #if defined(HAVE_NET_BPF_H) 126 #include <net/bpf.h> 127 #endif 128 #if defined(HAVE_NET_IF_H) 129 #include <net/if.h> 130 #endif 131 #if defined(HAVE_NET_IF_ARP_H) 132 #include <net/if_arp.h> 133 #endif 134 #if defined(HAVE_NET_ROUTE_H) 135 #include <net/route.h> 136 #endif 137 #if defined (HAVE_NETPACKET_PACKET_H) 138 #include <netpacket/packet.h> 139 #endif 140 #if defined(HAVE_SYS_MOUNT_H) 141 #include <sys/mount.h> 142 #endif 143 #if defined(HAVE_SYS_VFS_H) 144 #include <sys/vfs.h> 145 #endif 146 #if defined(HAVE_STATFS_H) 147 #include <sys/statfs.h> 148 #endif 149 #if defined(HAVE_SYS_TIMEX_H) 150 #include <sys/timex.h> 151 #endif 152 #if defined(HAVE_SYS_SYSINFO_H) 153 #include <sys/sysinfo.h> 154 #endif 155 #if defined(HAVE_UTIME_H) 156 #include <utime.h> 157 #endif 158 #if defined(HAVE_LINUX_ETHER_H) 159 #include <linux/ether.h> 160 #endif 161 #if defined(HAVE_LINUX_REBOOT_H) 162 #include <linux/reboot.h> 163 #endif 164 #if defined(HAVE_SYS_INOTIFY_H) 165 #include <sys/inotify.h> 166 #endif 167 #if defined(HAVE_NETINET_ICMP6_H) 168 #include <netinet/icmp6.h> 169 #endif 170 #if defined(HAVE_SCHED_H) 171 #include <sched.h> 172 #endif 173 #if defined(HAVE_SEMAPHORE_H) 174 #include <semaphore.h> 175 #endif 176 #if defined(HAVE_PORT_H) 177 #include <port.h> 178 #endif 179 #if defined(HAVE_LWP_H) 180 #include <lwp.h> 181 #endif 182 183 #ifdef USE_LIBFFI 184 #include "ffi.h" 185 #endif 186 187 /* Constants that may only be defined as expressions on some systems, 188 expressions too complex for -fdump-go-spec to handle. These are 189 handled specially below. */ 190 enum { 191 #ifdef TIOCGWINSZ 192 TIOCGWINSZ_val = TIOCGWINSZ, 193 #endif 194 #ifdef TIOCSWINSZ 195 TIOCSWINSZ_val = TIOCSWINSZ, 196 #endif 197 #ifdef TIOCNOTTY 198 TIOCNOTTY_val = TIOCNOTTY, 199 #endif 200 #ifdef TIOCSCTTY 201 TIOCSCTTY_val = TIOCSCTTY, 202 #endif 203 #ifdef TIOCGPGRP 204 TIOCGPGRP_val = TIOCGPGRP, 205 #endif 206 #ifdef TIOCSPGRP 207 TIOCSPGRP_val = TIOCSPGRP, 208 #endif 209 #ifdef TIOCGPTN 210 TIOCGPTN_val = TIOCGPTN, 211 #endif 212 #ifdef TIOCSPTLCK 213 TIOCSPTLCK_val = TIOCSPTLCK, 214 #endif 215 #ifdef TIOCGDEV 216 TIOCGDEV_val = TIOCGDEV, 217 #endif 218 #ifdef TIOCSIG 219 TIOCSIG_val = TIOCSIG, 220 #endif 221 #ifdef TCGETS 222 TCGETS_val = TCGETS, 223 #endif 224 #ifdef TCSETS 225 TCSETS_val = TCSETS, 226 #endif 227 #ifdef TUNSETIFF 228 TUNSETIFF_val = TUNSETIFF, 229 #endif 230 #ifdef TUNSETNOCSUM 231 TUNSETNOCSUM_val = TUNSETNOCSUM, 232 #endif 233 #ifdef TUNSETDEBUG 234 TUNSETDEBUG_val = TUNSETDEBUG, 235 #endif 236 #ifdef TUNSETPERSIST 237 TUNSETPERSIST_val = TUNSETPERSIST, 238 #endif 239 #ifdef TUNSETOWNER 240 TUNSETOWNER_val = TUNSETOWNER, 241 #endif 242 #ifdef TUNSETLINK 243 TUNSETLINK_val = TUNSETLINK, 244 #endif 245 #ifdef TUNSETGROUP 246 TUNSETGROUP_val = TUNSETGROUP, 247 #endif 248 #ifdef TUNGETFEATURES 249 TUNGETFEATURES_val = TUNGETFEATURES, 250 #endif 251 #ifdef TUNSETOFFLOAD 252 TUNSETOFFLOAD_val = TUNSETOFFLOAD, 253 #endif 254 #ifdef TUNSETTXFILTER 255 TUNSETTXFILTER_val = TUNSETTXFILTER, 256 #endif 257 #ifdef TUNGETIFF 258 TUNGETIFF_val = TUNGETIFF, 259 #endif 260 #ifdef TUNGETSNDBUF 261 TUNGETSNDBUF_val = TUNGETSNDBUF, 262 #endif 263 #ifdef TUNSETSNDBUF 264 TUNSETSNDBUF_val = TUNSETSNDBUF, 265 #endif 266 #ifdef TUNATTACHFILTER 267 TUNATTACHFILTER_val = TUNATTACHFILTER, 268 #endif 269 #ifdef TUNDETACHFILTER 270 TUNDETACHFILTER_val = TUNDETACHFILTER, 271 #endif 272 #ifdef TUNGETVNETHDRSZ 273 TUNGETVNETHDRSZ_val = TUNGETVNETHDRSZ, 274 #endif 275 #ifdef TUNSETVNETHDRSZ 276 TUNSETVNETHDRSZ_val = TUNSETVNETHDRSZ, 277 #endif 278 #ifdef TUNSETQUEUE 279 TUNSETQUEUE_val = TUNSETQUEUE, 280 #endif 281 #ifdef TUNSETIFINDEX 282 TUNSETIFINDEX_val = TUNSETIFINDEX, 283 #endif 284 #ifdef TUNGETFILTER 285 TUNGETFILTER_val = TUNGETFILTER, 286 #endif 287 #ifdef NLA_HDRLEN 288 NLA_HDRLEN_val = NLA_HDRLEN, 289 #endif 290 #ifdef BIOCFLUSH 291 BIOCFLUSH_val = BIOCFLUSH, 292 #endif 293 #ifdef BIOCGBLEN 294 BIOCGBLEN_val = BIOCGBLEN, 295 #endif 296 #ifdef BIOCGDLT 297 BIOCGDLT_val = BIOCGDLT, 298 #endif 299 #ifdef BIOCGETIF 300 BIOCGETIF_val = BIOCGETIF, 301 #endif 302 #ifdef BIOCGHDRCMPLT 303 BIOCGHDRCMPLT_val = BIOCGHDRCMPLT, 304 #endif 305 #ifdef BIOCGRTIMEOUT 306 BIOCGRTIMEOUT_val = BIOCGRTIMEOUT, 307 #endif 308 #ifdef BIOCGSTATS 309 BIOCGSTATS_val = BIOCGSTATS, 310 #endif 311 #ifdef BIOCIMMEDIATE 312 BIOCIMMEDIATE_val = BIOCIMMEDIATE, 313 #endif 314 #ifdef BIOCPROMISC 315 BIOCPROMISC_val = BIOCPROMISC, 316 #endif 317 #ifdef BIOCSBLEN 318 BIOCSBLEN_val = BIOCSBLEN, 319 #endif 320 #ifdef BIOCSDLT 321 BIOCSDLT_val = BIOCSDLT, 322 #endif 323 #ifdef BIOCSETF 324 BIOCSETF_val = BIOCSETF, 325 #endif 326 #ifdef BIOCSETIF 327 BIOCSETIF_val = BIOCSETIF, 328 #endif 329 #ifdef BIOCSHDRCMPLT 330 BIOCSHDRCMPLT_val = BIOCSHDRCMPLT, 331 #endif 332 #ifdef BIOCSRTIMEOUT 333 BIOCSRTIMEOUT_val = BIOCSRTIMEOUT, 334 #endif 335 #ifdef BIOCVERSION 336 BIOCVERSION_val = BIOCVERSION, 337 #endif 338 #ifdef SO_RCVTIMEO 339 SO_RCVTIMEO_val = SO_RCVTIMEO, 340 #endif 341 }; 342 343 // SIOCGIFMTU can't be added in the above enum as it might 344 // be signed in some OSes. 345 #ifdef SIOCGIFMTU 346 enum { 347 SIOCGIFMTU_val = SIOCGIFMTU, 348 }; 349 #endif 350 351 #if defined(HAVE_SYS_EPOLL_H) 352 enum { 353 epoll_data_offset = offsetof(struct epoll_event, data) 354 }; 355 #endif 356 357 #if !defined(SYS_timer_settime) && defined(SYS_timer_settime32) 358 // musl defines SYS_timer_settim32 on 32-bit systems. 359 #define SYS_timer_settime SYS_timer_settime32 360 #endif 361 362 #if defined(HAVE_LOFF_T) 363 // loff_t can be defined as a macro; for -fgo-dump-spec make sure we 364 // see a typedef. 365 typedef loff_t libgo_loff_t_type; 366 #endif 367 368 #if defined(HAVE_OFF64_T) 369 typedef off64_t libgo_off_t_type; 370 #else 371 typedef off_t libgo_off_t_type; 372 #endif 373 374 // The following section introduces explicit references to types and 375 // constants of interest to support bootstrapping libgo using a 376 // compiler that doesn't support -fdump-go-spec (e.g., clang), via 377 // DWARF-based tools. This process is made more difficult due to the 378 // fact that clang tries hard to omit types/constants from DWARF if it 379 // can't find explicit references to them, so here we make sure that 380 // key items are mentioned in ways that will force them into the 381 // generated DWARF. 382 383 #if defined(__clang__) 384 385 // Make a reference to a type 386 #define TREF(typ) typ typ ## ref 387 388 // Make a reference to an opaque type 389 #define OTREF(typ) typ *typ ## ref 390 391 // Make a reference to a struct tag 392 #define SREF(stag) struct stag stag ## ref 393 394 // Make a reference to an enum literal 395 #define EREF(elit) unsigned elit ## fn(unsigned x) { return x == elit ? 1 : 0; } 396 397 //...................................................................... 398 399 // From dirent.h 400 SREF(dirent); 401 SREF(dirent64); 402 OTREF(DIR); 403 EREF(DT_UNKNOWN); 404 405 // From fcntl.h 406 SREF(flock); 407 SREF(flock64); 408 409 // From ffi headers 410 SREF(_ffi_type); 411 TREF(ffi_cif); 412 TREF(ffi_abi); 413 TREF(ffi_status); 414 EREF(FFI_OK); 415 416 // From grp.h 417 SREF(group); 418 419 #if defined(HAVE_LINUX_FILTER_H) 420 // From linux/filter.h 421 SREF(sock_filter); 422 SREF(sock_fprog); 423 #endif 424 425 // From linux/if.h 426 EREF(IFF_UP); 427 428 #if defined(HAVE_LINUX_IF_ADDR_H) 429 // From linux/if_addr.h 430 SREF(ifaddrmsg); 431 EREF(IFA_ADDRESS); 432 #endif 433 434 #if defined(HAVE_LINUX_RTNETLINK_H) 435 // From linux/if_link.h 436 EREF(IFLA_ADDRESS); 437 #endif 438 439 // From in.h, in6.h, icmp6.h 440 SREF(ip_mreq); 441 SREF(ip_mreqn); 442 SREF(ipv6_mreq); 443 SREF(ip6_mtuinfo); 444 SREF(icmp6_filter); 445 SREF(in_pktinfo); 446 EREF(IPPROTO_TCP); 447 448 #if defined(HAVE_LINUX_RTNETLINK_H) 449 // From linux/rtnetlink.h 450 SREF(rtgenmsg); 451 SREF(rtmsg); 452 SREF(ifinfomsg); 453 SREF(rtattr); 454 SREF(rtnexthop); 455 EREF(RTM_BASE); 456 EREF(RTN_UNSPEC); 457 #endif 458 459 // From netdb.h 460 SREF(addrinfo); 461 462 // From netlink.h 463 SREF(nlattr); 464 SREF(nlmsgerr); 465 466 // From pthread.h and related 467 TREF(pthread_attr_t); 468 TREF(pthread_t); 469 TREF(pthread_mutex_t); 470 TREF(pthread_mutexattr_t); 471 472 // From pwd.h 473 SREF(passwd); 474 475 // From signal.h and related 476 TREF(sigset_t); 477 TREF(siginfo_t); 478 TREF(stack_t); 479 SREF(sigaction); 480 SREF(sigstack); 481 EREF(SI_USER); 482 EREF(FPE_INTOVF); 483 EREF(BUS_ADRALN); 484 EREF(SS_ONSTACK); 485 EREF(SEGV_MAPERR); 486 487 // From stat.h 488 SREF(stat64); 489 490 // From statfs.h 491 SREF(statfs); 492 SREF(statfs64); 493 494 // From sysinfo.h 495 SREF(sysinfo); 496 497 // From <sys/epoll.h> 498 #if defined(HAVE_SYS_EPOLL_H) 499 SREF(epoll_event); 500 EREF(EPOLLIN); 501 EREF(epoll_data_offset); 502 #endif 503 504 #if defined(HAVE_SYS_MOUNT_H) 505 // From sys/mount.h 506 EREF(MS_PRIVATE); 507 EREF(MNT_FORCE); 508 #endif 509 510 #if defined(HAVE_SYS_PTRACE_H) 511 // From <sys/ptrace.h> 512 #if defined (__aarch64__) 513 SREF(user_pt_regs); 514 #else 515 SREF(pt_regs); 516 #endif 517 EREF(PTRACE_PEEKTEXT); 518 #endif 519 520 // From sys/resource.h 521 SREF(rusage); 522 SREF(rlimit64); 523 EREF(RLIMIT_NOFILE); 524 EREF(PRIO_USER); 525 EREF(RUSAGE_SELF); 526 527 // From sys/select.h 528 TREF(fd_set); 529 530 // From sys/socket.h 531 SREF(msghdr); 532 SREF(cmsghdr); 533 SREF(ucred); 534 EREF(MSG_OOB); 535 EREF(SCM_RIGHTS); 536 EREF(SOCK_RAW); 537 EREF(SHUT_RD); 538 539 // From sys/time.h and sys/times.h 540 SREF(timespec); 541 SREF(timeval); 542 SREF(itimerval); 543 SREF(tms); 544 EREF(ITIMER_PROF); 545 546 #if defined(HAVE_SYS_TIMEX_H) 547 // From sys/timex.h 548 SREF(timex); 549 #endif 550 551 // From sys/types.h 552 TREF(pid_t); 553 TREF(off_t); 554 TREF(libgo_loff_t_type); 555 TREF(libgo_off_t_type); 556 TREF(size_t); 557 TREF(ssize_t); 558 TREF(mode_t); 559 TREF(dev_t); 560 TREF(time_t); 561 562 // From sys/ucontext.h 563 TREF(ucontext_t); 564 565 #if defined(HAVE_SYS_USER_H) 566 // From sys/user.h 567 SREF(user_regs_struct); 568 #endif 569 570 #if defined(HAVE_SYS_UTSNAME_H) 571 // From sys/utsname.h 572 SREF(utsname); 573 #endif 574 575 // From termios.h 576 SREF(termios); 577 578 // From uio.h 579 SREF(iovec); 580 581 // From utime.h 582 SREF(utimbuf); 583 584 // From unistd.h 585 EREF(_PC_NAME_MAX); 586 EREF(_SC_GETPW_R_SIZE_MAX); 587 588 #endif // clang