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gcc/libgo/sysinfo.c
Ian Lance Taylor 5302cd0250 runtime, reflect: rewrite Go to FFI type conversion in Go 
As we move toward the Go 1.7 garbage collector, it's essential that all
    allocation of values that can contain Go pointers be done using the
    correct type descriptor.  That is simplest if we do all such allocation
    in Go code.  This rewrites the code that converts from a Go type to a
    libffi CIF into Go.
    
    Reviewed-on: https://go-review.googlesource.com/33353

From-SVN: r242578
2016-11-18 00:15:38 +00:00

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/* sysinfo.c -- input for mksysinfo.sh
Copyright 2009 The Go Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file. */
/* This file is passed to GCC with the -fdump-go-spec option to
generate a Go version of the system information. */
#include "config.h"
#include <stddef.h>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <ucontext.h>
#include <netinet/in.h>
/* <netinet/tcp.h> needs u_char/u_short, but <sys/bsd_types> is only
included by <netinet/in.h> if _SGIAPI (i.e. _SGI_SOURCE
&& !_XOPEN_SOURCE.
<sys/termios.h> only defines TIOCNOTTY if !_XOPEN_SOURCE, while
<sys/ttold.h> does so unconditionally. */
#ifdef __sgi__
#include <sys/bsd_types.h>
#include <sys/ttold.h>
#endif
#include <netinet/tcp.h>
#if defined(HAVE_NETINET_IN_SYSTM_H)
#include <netinet/in_systm.h>
#endif
#if defined(HAVE_NETINET_IP_H)
#include <netinet/ip.h>
#endif
#if defined(HAVE_NETINET_IP_MROUTE_H)
#include <netinet/ip_mroute.h>
#endif
#if defined(HAVE_NETINET_IF_ETHER_H)
#include <netinet/if_ether.h>
#endif
#include <signal.h>
#include <sys/ioctl.h>
#include <termios.h>
#if defined(HAVE_SYSCALL_H)
#include <syscall.h>
#endif
#if defined(HAVE_SYS_SYSCALL_H)
#include <sys/syscall.h>
#endif
#if defined(HAVE_SYS_EPOLL_H)
#include <sys/epoll.h>
#endif
#if defined(HAVE_SYS_EVENT_H)
#include <sys/event.h>
#endif
#if defined(HAVE_SYS_FILE_H)
#include <sys/file.h>
#endif
#if defined(HAVE_SYS_MMAN_H)
#include <sys/mman.h>
#endif
#if defined(HAVE_SYS_PRCTL_H)
#include <sys/prctl.h>
#endif
#if defined(HAVE_SYS_PTRACE_H)
#include <sys/ptrace.h>
#endif
#include <sys/resource.h>
#include <sys/uio.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/times.h>
#include <sys/wait.h>
#include <sys/un.h>
#if defined(HAVE_SYS_USER_H)
#include <sys/user.h>
#endif
#if defined(HAVE_SYS_UTSNAME_H)
#include <sys/utsname.h>
#endif
#if defined(HAVE_SYS_SELECT_H)
#include <sys/select.h>
#endif
#include <time.h>
#include <unistd.h>
#include <netdb.h>
#include <pwd.h>
#include <grp.h>
#if defined(HAVE_LINUX_FILTER_H)
#include <linux/filter.h>
#endif
#if defined(HAVE_LINUX_IF_ADDR_H)
#include <linux/if_addr.h>
#endif
#if defined(HAVE_LINUX_IF_ETHER_H)
#include <linux/if_ether.h>
#endif
#if defined(HAVE_LINUX_IF_TUN_H)
#include <linux/if_tun.h>
#endif
#if defined(HAVE_LINUX_NETLINK_H)
#include <linux/netlink.h>
#endif
#if defined(HAVE_LINUX_RTNETLINK_H)
#include <linux/rtnetlink.h>
#endif
#if defined(HAVE_NET_IF_H)
#include <net/if.h>
#endif
#if defined(HAVE_NET_IF_ARP_H)
#include <net/if_arp.h>
#endif
#if defined(HAVE_NET_ROUTE_H)
#include <net/route.h>
#endif
#if defined (HAVE_NETPACKET_PACKET_H)
#include <netpacket/packet.h>
#endif
#if defined(HAVE_SYS_MOUNT_H)
#include <sys/mount.h>
#endif
#if defined(HAVE_SYS_VFS_H)
#include <sys/vfs.h>
#endif
#if defined(HAVE_STATFS_H)
#include <sys/statfs.h>
#endif
#if defined(HAVE_SYS_TIMEX_H)
#include <sys/timex.h>
#endif
#if defined(HAVE_SYS_SYSINFO_H)
#include <sys/sysinfo.h>
#endif
#if defined(HAVE_USTAT_H)
#include <ustat.h>
#endif
#if defined(HAVE_UTIME_H)
#include <utime.h>
#endif
#if defined(HAVE_LINUX_ETHER_H)
#include <linux/ether.h>
#endif
#if defined(HAVE_LINUX_FS_H)
#include <linux/fs.h>
#endif
#if defined(HAVE_LINUX_REBOOT_H)
#include <linux/reboot.h>
#endif
#if defined(HAVE_SYS_INOTIFY_H)
#include <sys/inotify.h>
#endif
#if defined(HAVE_NETINET_ICMP6_H)
#include <netinet/icmp6.h>
#endif
#if defined(HAVE_SCHED_H)
#include <sched.h>
#endif
#if defined(HAVE_SEMAPHORE_H)
#include <semaphore.h>
#endif
#if defined(HAVE_PORT_H)
#include <port.h>
#endif
#ifdef USE_LIBFFI
#include "ffi.h"
#endif
/* Constants that may only be defined as expressions on some systems,
expressions too complex for -fdump-go-spec to handle. These are
handled specially below. */
enum {
#ifdef TIOCGWINSZ
TIOCGWINSZ_val = TIOCGWINSZ,
#endif
#ifdef TIOCSWINSZ
TIOCSWINSZ_val = TIOCSWINSZ,
#endif
#ifdef TIOCNOTTY
TIOCNOTTY_val = TIOCNOTTY,
#endif
#ifdef TIOCSCTTY
TIOCSCTTY_val = TIOCSCTTY,
#endif
#ifdef TIOCGPGRP
TIOCGPGRP_val = TIOCGPGRP,
#endif
#ifdef TIOCSPGRP
TIOCSPGRP_val = TIOCSPGRP,
#endif
#ifdef TIOCGPTN
TIOCGPTN_val = TIOCGPTN,
#endif
#ifdef TIOCSPTLCK
TIOCSPTLCK_val = TIOCSPTLCK,
#endif
#ifdef TIOCGDEV
TIOCGDEV_val = TIOCGDEV,
#endif
#ifdef TIOCSIG
TIOCSIG_val = TIOCSIG,
#endif
#ifdef TCGETS
TCGETS_val = TCGETS,
#endif
#ifdef TCSETS
TCSETS_val = TCSETS,
#endif
#ifdef TUNSETIFF
TUNSETIFF_val = TUNSETIFF,
#endif
#ifdef TUNSETNOCSUM
TUNSETNOCSUM_val = TUNSETNOCSUM,
#endif
#ifdef TUNSETDEBUG
TUNSETDEBUG_val = TUNSETDEBUG,
#endif
#ifdef TUNSETPERSIST
TUNSETPERSIST_val = TUNSETPERSIST,
#endif
#ifdef TUNSETOWNER
TUNSETOWNER_val = TUNSETOWNER,
#endif
#ifdef TUNSETLINK
TUNSETLINK_val = TUNSETLINK,
#endif
#ifdef TUNSETGROUP
TUNSETGROUP_val = TUNSETGROUP,
#endif
#ifdef TUNGETFEATURES
TUNGETFEATURES_val = TUNGETFEATURES,
#endif
#ifdef TUNSETOFFLOAD
TUNSETOFFLOAD_val = TUNSETOFFLOAD,
#endif
#ifdef TUNSETTXFILTER
TUNSETTXFILTER_val = TUNSETTXFILTER,
#endif
#ifdef TUNGETIFF
TUNGETIFF_val = TUNGETIFF,
#endif
#ifdef TUNGETSNDBUF
TUNGETSNDBUF_val = TUNGETSNDBUF,
#endif
#ifdef TUNSETSNDBUF
TUNSETSNDBUF_val = TUNSETSNDBUF,
#endif
#ifdef TUNATTACHFILTER
TUNATTACHFILTER_val = TUNATTACHFILTER,
#endif
#ifdef TUNDETACHFILTER
TUNDETACHFILTER_val = TUNDETACHFILTER,
#endif
#ifdef TUNGETVNETHDRSZ
TUNGETVNETHDRSZ_val = TUNGETVNETHDRSZ,
#endif
#ifdef TUNSETVNETHDRSZ
TUNSETVNETHDRSZ_val = TUNSETVNETHDRSZ,
#endif
#ifdef TUNSETQUEUE
TUNSETQUEUE_val = TUNSETQUEUE,
#endif
#ifdef TUNSETIFINDEX
TUNSETIFINDEX_val = TUNSETIFINDEX,
#endif
#ifdef TUNGETFILTER
TUNGETFILTER_val = TUNGETFILTER,
#endif
#ifdef NLA_HDRLEN
NLA_HDRLEN_val = NLA_HDRLEN,
#endif
};
#if defined(HAVE_SYS_EPOLL_H)
enum {
epoll_data_offset = offsetof(struct epoll_event, data)
};
#endif
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