mirror of git://gcc.gnu.org/git/gcc.git
498 lines
9.7 KiB
C
498 lines
9.7 KiB
C
/* sysinfo.c -- input for mksysinfo.sh
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Copyright 2009 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file. */
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/* This file is passed to GCC with the -fdump-go-spec option to
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generate a Go version of the system information. */
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#include "config.h"
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#include <stddef.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <ucontext.h>
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#include <netinet/in.h>
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/* <netinet/tcp.h> needs u_char/u_short, but <sys/bsd_types> is only
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included by <netinet/in.h> if _SGIAPI (i.e. _SGI_SOURCE
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&& !_XOPEN_SOURCE.
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<sys/termios.h> only defines TIOCNOTTY if !_XOPEN_SOURCE, while
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<sys/ttold.h> does so unconditionally. */
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#ifdef __sgi__
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#include <sys/bsd_types.h>
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#include <sys/ttold.h>
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#endif
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#include <netinet/tcp.h>
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#if defined(HAVE_NETINET_IN_SYSTM_H)
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#include <netinet/in_systm.h>
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#endif
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#if defined(HAVE_NETINET_IP_H)
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#include <netinet/ip.h>
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#endif
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#if defined(HAVE_NETINET_IP_MROUTE_H)
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#include <netinet/ip_mroute.h>
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#endif
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#if defined(HAVE_NETINET_IF_ETHER_H)
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#include <netinet/if_ether.h>
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#endif
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#include <signal.h>
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#include <sys/ioctl.h>
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#include <termios.h>
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#if defined(HAVE_SYSCALL_H)
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#include <syscall.h>
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#endif
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#if defined(HAVE_SYS_SYSCALL_H)
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#include <sys/syscall.h>
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#endif
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#if defined(HAVE_SYS_EPOLL_H)
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#include <sys/epoll.h>
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#endif
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#if defined(HAVE_SYS_EVENT_H)
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#include <sys/event.h>
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#endif
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#if defined(HAVE_SYS_FILE_H)
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#include <sys/file.h>
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#endif
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#if defined(HAVE_SYS_MMAN_H)
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#include <sys/mman.h>
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#endif
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#if defined(HAVE_SYS_PRCTL_H)
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#include <sys/prctl.h>
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#endif
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#if defined(HAVE_SYS_PTRACE_H)
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#include <sys/ptrace.h>
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#endif
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#include <sys/resource.h>
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#include <sys/uio.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/times.h>
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#include <sys/wait.h>
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#include <sys/un.h>
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#if defined(HAVE_SYS_USER_H)
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#include <sys/user.h>
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#endif
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#if defined(HAVE_SYS_UTSNAME_H)
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#include <sys/utsname.h>
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#endif
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#if defined(HAVE_SYS_SELECT_H)
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#include <sys/select.h>
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#endif
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#include <time.h>
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#include <unistd.h>
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#include <netdb.h>
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#include <pwd.h>
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#include <grp.h>
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#if defined(HAVE_LINUX_FILTER_H)
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#include <linux/filter.h>
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#endif
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#if defined(HAVE_LINUX_IF_ADDR_H)
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#include <linux/if_addr.h>
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#endif
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#if defined(HAVE_LINUX_IF_ETHER_H)
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#include <linux/if_ether.h>
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#endif
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#if defined(HAVE_LINUX_IF_TUN_H)
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#include <linux/if_tun.h>
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#endif
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#if defined(HAVE_LINUX_NETLINK_H)
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#include <linux/netlink.h>
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#endif
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#if defined(HAVE_LINUX_PTRACE_H)
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/* Avoid https://sourceware.org/bugzilla/show_bug.cgi?id=762 . */
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#define ia64_fpreg pt_ia64_fpreg
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#define pt_all_user_regs pt_ia64_all_user_regs
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/* Avoid redefinition of ptrace_peeksiginfo from <sys/ptrace.h>.
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https://gcc.gnu.org/PR81324 . */
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#define ptrace_peeksiginfo_args ignore_ptrace_peeksiginfo_args
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#include <linux/ptrace.h>
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#undef ia64_fpreg
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#undef pt_all_user_regs
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#undef ptrace_peeksiginfo_args
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#endif
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#if defined(HAVE_LINUX_RTNETLINK_H)
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#include <linux/rtnetlink.h>
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#endif
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#if defined(HAVE_NET_IF_H)
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#include <net/if.h>
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#endif
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#if defined(HAVE_NET_IF_ARP_H)
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#include <net/if_arp.h>
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#endif
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#if defined(HAVE_NET_ROUTE_H)
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#include <net/route.h>
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#endif
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#if defined (HAVE_NETPACKET_PACKET_H)
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#include <netpacket/packet.h>
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#endif
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#if defined(HAVE_SYS_MOUNT_H)
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#include <sys/mount.h>
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#endif
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#if defined(HAVE_SYS_VFS_H)
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#include <sys/vfs.h>
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#endif
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#if defined(HAVE_STATFS_H)
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#include <sys/statfs.h>
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#endif
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#if defined(HAVE_SYS_TIMEX_H)
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#include <sys/timex.h>
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#endif
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#if defined(HAVE_SYS_SYSINFO_H)
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#include <sys/sysinfo.h>
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#endif
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#if defined(HAVE_UTIME_H)
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#include <utime.h>
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#endif
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#if defined(HAVE_LINUX_ETHER_H)
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#include <linux/ether.h>
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#endif
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#if defined(HAVE_LINUX_FS_H)
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#include <linux/fs.h>
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#endif
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#if defined(HAVE_LINUX_REBOOT_H)
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#include <linux/reboot.h>
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#endif
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#if defined(HAVE_SYS_INOTIFY_H)
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#include <sys/inotify.h>
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#endif
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#if defined(HAVE_NETINET_ICMP6_H)
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#include <netinet/icmp6.h>
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#endif
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#if defined(HAVE_SCHED_H)
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#include <sched.h>
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#endif
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#if defined(HAVE_SEMAPHORE_H)
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#include <semaphore.h>
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#endif
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#if defined(HAVE_PORT_H)
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#include <port.h>
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#endif
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#ifdef USE_LIBFFI
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#include "ffi.h"
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#endif
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/* Constants that may only be defined as expressions on some systems,
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expressions too complex for -fdump-go-spec to handle. These are
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handled specially below. */
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enum {
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#ifdef TIOCGWINSZ
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TIOCGWINSZ_val = TIOCGWINSZ,
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#endif
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#ifdef TIOCSWINSZ
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TIOCSWINSZ_val = TIOCSWINSZ,
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#endif
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#ifdef TIOCNOTTY
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TIOCNOTTY_val = TIOCNOTTY,
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#endif
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#ifdef TIOCSCTTY
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TIOCSCTTY_val = TIOCSCTTY,
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#endif
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#ifdef TIOCGPGRP
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TIOCGPGRP_val = TIOCGPGRP,
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#endif
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#ifdef TIOCSPGRP
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TIOCSPGRP_val = TIOCSPGRP,
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#endif
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#ifdef TIOCGPTN
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TIOCGPTN_val = TIOCGPTN,
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#endif
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#ifdef TIOCSPTLCK
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TIOCSPTLCK_val = TIOCSPTLCK,
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#endif
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#ifdef TIOCGDEV
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TIOCGDEV_val = TIOCGDEV,
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#endif
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#ifdef TIOCSIG
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TIOCSIG_val = TIOCSIG,
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#endif
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#ifdef TCGETS
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TCGETS_val = TCGETS,
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#endif
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#ifdef TCSETS
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TCSETS_val = TCSETS,
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#endif
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#ifdef TUNSETIFF
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TUNSETIFF_val = TUNSETIFF,
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#endif
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#ifdef TUNSETNOCSUM
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TUNSETNOCSUM_val = TUNSETNOCSUM,
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#endif
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#ifdef TUNSETDEBUG
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TUNSETDEBUG_val = TUNSETDEBUG,
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#endif
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#ifdef TUNSETPERSIST
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TUNSETPERSIST_val = TUNSETPERSIST,
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#endif
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#ifdef TUNSETOWNER
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TUNSETOWNER_val = TUNSETOWNER,
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#endif
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#ifdef TUNSETLINK
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TUNSETLINK_val = TUNSETLINK,
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#endif
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#ifdef TUNSETGROUP
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TUNSETGROUP_val = TUNSETGROUP,
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#endif
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#ifdef TUNGETFEATURES
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TUNGETFEATURES_val = TUNGETFEATURES,
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#endif
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#ifdef TUNSETOFFLOAD
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TUNSETOFFLOAD_val = TUNSETOFFLOAD,
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#endif
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#ifdef TUNSETTXFILTER
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TUNSETTXFILTER_val = TUNSETTXFILTER,
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#endif
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#ifdef TUNGETIFF
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TUNGETIFF_val = TUNGETIFF,
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#endif
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#ifdef TUNGETSNDBUF
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TUNGETSNDBUF_val = TUNGETSNDBUF,
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#endif
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#ifdef TUNSETSNDBUF
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TUNSETSNDBUF_val = TUNSETSNDBUF,
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#endif
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#ifdef TUNATTACHFILTER
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TUNATTACHFILTER_val = TUNATTACHFILTER,
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#endif
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#ifdef TUNDETACHFILTER
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TUNDETACHFILTER_val = TUNDETACHFILTER,
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#endif
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#ifdef TUNGETVNETHDRSZ
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TUNGETVNETHDRSZ_val = TUNGETVNETHDRSZ,
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#endif
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#ifdef TUNSETVNETHDRSZ
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TUNSETVNETHDRSZ_val = TUNSETVNETHDRSZ,
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#endif
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#ifdef TUNSETQUEUE
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TUNSETQUEUE_val = TUNSETQUEUE,
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#endif
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#ifdef TUNSETIFINDEX
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TUNSETIFINDEX_val = TUNSETIFINDEX,
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#endif
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#ifdef TUNGETFILTER
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TUNGETFILTER_val = TUNGETFILTER,
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#endif
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#ifdef NLA_HDRLEN
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NLA_HDRLEN_val = NLA_HDRLEN,
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#endif
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};
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#if defined(HAVE_SYS_EPOLL_H)
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enum {
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epoll_data_offset = offsetof(struct epoll_event, data)
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};
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#endif
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// The following section introduces explicit references to types and
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// constants of interest to support bootstrapping libgo using a
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// compiler that doesn't support -fdump-go-spec (e.g., clang), via
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// DWARF-based tools. This process is made more difficult due to the
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// fact that clang tries hard to omit types/constants from DWARF if it
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// can't find explicit references to them, so here we make sure that
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// key items are mentioned in ways that will force them into the
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// generated DWARF.
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#if defined(__clang__)
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// Make a reference to a type
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#define TREF(typ) typ typ ## ref
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// Make a reference to an opaque type
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#define OTREF(typ) typ *typ ## ref
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// Make a reference to a struct tag
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#define SREF(stag) struct stag stag ## ref
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// Make a reference to an enum literal
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#define EREF(elit) unsigned elit ## fn(unsigned x) { return x == elit ? 1 : 0; }
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//......................................................................
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// From dirent.h
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SREF(dirent);
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SREF(dirent64);
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OTREF(DIR);
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// From fcntl.h
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SREF(flock);
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SREF(flock64);
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// From ffi headers
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SREF(_ffi_type);
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TREF(ffi_cif);
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TREF(ffi_abi);
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TREF(ffi_status);
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EREF(FFI_OK);
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// From grp.h
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SREF(group);
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#if defined(HAVE_LINUX_FILTER_H)
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// From linux/filter.h
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SREF(sock_filter);
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SREF(sock_fprog);
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#endif
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// From linux/if.h
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EREF(IFF_UP);
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#if defined(HAVE_LINUX_IF_ADDR_H)
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// From linux/if_addr.h
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SREF(ifaddrmsg);
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EREF(IFA_ADDRESS);
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#endif
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#if defined(HAVE_LINUX_RTNETLINK_H)
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// From linux/if_link.h
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EREF(IFLA_ADDRESS);
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#endif
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// From in.h, in6.h, icmp6.h
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SREF(ip_mreq);
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SREF(ip_mreqn);
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SREF(ipv6_mreq);
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SREF(ip6_mtuinfo);
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SREF(icmp6_filter);
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SREF(in_pktinfo);
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EREF(IPPROTO_TCP);
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#if defined(HAVE_LINUX_RTNETLINK_H)
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// From linux/rtnetlink.h
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SREF(rtgenmsg);
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SREF(rtmsg);
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SREF(ifinfomsg);
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SREF(rtattr);
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SREF(rtnexthop);
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EREF(RTM_BASE);
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EREF(RTN_UNSPEC);
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#endif
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// From netdb.h
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SREF(addrinfo);
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// From netlink.h
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SREF(nlattr);
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SREF(nlmsgerr);
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// From pthread.h and related
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TREF(pthread_attr_t);
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TREF(pthread_t);
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TREF(pthread_mutex_t);
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TREF(pthread_mutexattr_t);
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// From pwd.h
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SREF(passwd);
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// From signal.h and related
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TREF(sigset_t);
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TREF(siginfo_t);
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TREF(stack_t);
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SREF(sigaction);
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SREF(sigstack);
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EREF(SI_USER);
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EREF(FPE_INTOVF);
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EREF(BUS_ADRALN);
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EREF(SS_ONSTACK);
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EREF(SEGV_MAPERR);
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// From stat.h
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SREF(stat64);
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// From statfs.h
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SREF(statfs);
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SREF(statfs64);
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// From sysinfo.h
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SREF(sysinfo);
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// From <sys/epoll.h>
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#if defined(HAVE_SYS_EPOLL_H)
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SREF(epoll_event);
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EREF(EPOLLIN);
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EREF(epoll_data_offset);
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#endif
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#if defined(HAVE_SYS_MOUNT_H)
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// From sys/mount.h
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EREF(MS_PRIVATE);
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EREF(MNT_FORCE);
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#endif
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#if defined(HAVE_SYS_PTRACE_H)
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// From <sys/ptrace.h>
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SREF(pt_regs);
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EREF(PTRACE_PEEKTEXT);
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#endif
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// From sys/resource.h
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SREF(rusage);
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SREF(rlimit64);
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EREF(RLIMIT_NOFILE);
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EREF(PRIO_USER);
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// From sys/select.h
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TREF(fd_set);
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// From sys/socket.h
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SREF(msghdr);
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SREF(cmsghdr);
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SREF(ucred);
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EREF(MSG_OOB);
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EREF(SCM_RIGHTS);
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EREF(SOCK_RAW);
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EREF(SHUT_RD);
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// From sys/time.h and sys/times.h
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SREF(timespec);
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SREF(timeval);
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SREF(itimerval);
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SREF(tms);
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EREF(ITIMER_PROF);
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#if defined(HAVE_SYS_TIMEX_H)
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// From sys/timex.h
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SREF(timex);
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#endif
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// From sys/types.h
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TREF(pid_t);
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TREF(off_t);
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TREF(loff_t);
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TREF(size_t);
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TREF(ssize_t);
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TREF(mode_t);
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TREF(dev_t);
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TREF(time_t);
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// From sys/ucontext.h
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TREF(ucontext_t);
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#if defined(HAVE_SYS_USER_H)
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// From sys/user.h
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SREF(user_regs_struct);
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#endif
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#if defined(HAVE_SYS_UTSNAME_H)
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// From sys/utsname.h
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SREF(utsname);
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#endif
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// From termios.h
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SREF(termios);
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// From uio.h
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SREF(iovec);
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// From utime.h
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SREF(utimbuf);
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// From unistd.h
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EREF(_PC_NAME_MAX);
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EREF(_SC_GETPW_R_SIZE_MAX);
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#endif // clang
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