]> git.ipfire.org Git - thirdparty/gcc.git/blame - libgo/sysinfo.c
Fix tests for std::variant to match original intention
[thirdparty/gcc.git] / libgo / sysinfo.c
CommitLineData
bfac90c5 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
6f5938e5 12#include <stddef.h>
bfac90c5 13#include <sys/types.h>
14#include <dirent.h>
15#include <errno.h>
16#include <fcntl.h>
17#include <ucontext.h>
18#include <netinet/in.h>
19/* <netinet/tcp.h> needs u_char/u_short, but <sys/bsd_types> is only
20 included by <netinet/in.h> if _SGIAPI (i.e. _SGI_SOURCE
21 && !_XOPEN_SOURCE.
22 <sys/termios.h> only defines TIOCNOTTY if !_XOPEN_SOURCE, while
23 <sys/ttold.h> does so unconditionally. */
24#ifdef __sgi__
25#include <sys/bsd_types.h>
26#include <sys/ttold.h>
27#endif
28#include <netinet/tcp.h>
29#if defined(HAVE_NETINET_IN_SYSTM_H)
30#include <netinet/in_systm.h>
31#endif
32#if defined(HAVE_NETINET_IP_H)
33#include <netinet/ip.h>
34#endif
35#if defined(HAVE_NETINET_IP_MROUTE_H)
36#include <netinet/ip_mroute.h>
37#endif
38#if defined(HAVE_NETINET_IF_ETHER_H)
39#include <netinet/if_ether.h>
40#endif
41#include <signal.h>
42#include <sys/ioctl.h>
43#include <termios.h>
44#if defined(HAVE_SYSCALL_H)
45#include <syscall.h>
46#endif
47#if defined(HAVE_SYS_SYSCALL_H)
48#include <sys/syscall.h>
49#endif
50#if defined(HAVE_SYS_EPOLL_H)
51#include <sys/epoll.h>
52#endif
6f5938e5 53#if defined(HAVE_SYS_EVENT_H)
54#include <sys/event.h>
55#endif
bfac90c5 56#if defined(HAVE_SYS_FILE_H)
57#include <sys/file.h>
58#endif
59#if defined(HAVE_SYS_MMAN_H)
60#include <sys/mman.h>
61#endif
62#if defined(HAVE_SYS_PRCTL_H)
63#include <sys/prctl.h>
64#endif
65#if defined(HAVE_SYS_PTRACE_H)
66#include <sys/ptrace.h>
67#endif
68#include <sys/resource.h>
69#include <sys/uio.h>
70#include <sys/socket.h>
71#include <sys/stat.h>
72#include <sys/time.h>
73#include <sys/times.h>
74#include <sys/wait.h>
75#include <sys/un.h>
76#if defined(HAVE_SYS_USER_H)
77#include <sys/user.h>
78#endif
79#if defined(HAVE_SYS_UTSNAME_H)
80#include <sys/utsname.h>
81#endif
82#if defined(HAVE_SYS_SELECT_H)
83#include <sys/select.h>
84#endif
85#include <time.h>
86#include <unistd.h>
87#include <netdb.h>
88#include <pwd.h>
89#include <grp.h>
90#if defined(HAVE_LINUX_FILTER_H)
91#include <linux/filter.h>
92#endif
93#if defined(HAVE_LINUX_IF_ADDR_H)
94#include <linux/if_addr.h>
95#endif
96#if defined(HAVE_LINUX_IF_ETHER_H)
97#include <linux/if_ether.h>
98#endif
99#if defined(HAVE_LINUX_IF_TUN_H)
100#include <linux/if_tun.h>
101#endif
102#if defined(HAVE_LINUX_NETLINK_H)
103#include <linux/netlink.h>
104#endif
6b49e67f 105#if defined(HAVE_LINUX_PTRACE_H)
3e8d2bb2 106/* Avoid https://sourceware.org/bugzilla/show_bug.cgi?id=762 . */
107#define ia64_fpreg pt_ia64_fpreg
108#define pt_all_user_regs pt_ia64_all_user_regs
a6802331 109/* Avoid redefinition of ptrace_peeksiginfo from <sys/ptrace.h>.
110 https://gcc.gnu.org/PR81324 . */
111#define ptrace_peeksiginfo_args ignore_ptrace_peeksiginfo_args
6b49e67f 112#include <linux/ptrace.h>
3e8d2bb2 113#undef ia64_fpreg
114#undef pt_all_user_regs
a6802331 115#undef ptrace_peeksiginfo_args
6b49e67f 116#endif
bfac90c5 117#if defined(HAVE_LINUX_RTNETLINK_H)
118#include <linux/rtnetlink.h>
119#endif
120#if defined(HAVE_NET_IF_H)
121#include <net/if.h>
122#endif
123#if defined(HAVE_NET_IF_ARP_H)
124#include <net/if_arp.h>
125#endif
126#if defined(HAVE_NET_ROUTE_H)
127#include <net/route.h>
128#endif
129#if defined (HAVE_NETPACKET_PACKET_H)
130#include <netpacket/packet.h>
131#endif
132#if defined(HAVE_SYS_MOUNT_H)
133#include <sys/mount.h>
134#endif
135#if defined(HAVE_SYS_VFS_H)
136#include <sys/vfs.h>
137#endif
138#if defined(HAVE_STATFS_H)
139#include <sys/statfs.h>
140#endif
141#if defined(HAVE_SYS_TIMEX_H)
142#include <sys/timex.h>
143#endif
144#if defined(HAVE_SYS_SYSINFO_H)
145#include <sys/sysinfo.h>
146#endif
bfac90c5 147#if defined(HAVE_UTIME_H)
148#include <utime.h>
149#endif
150#if defined(HAVE_LINUX_ETHER_H)
151#include <linux/ether.h>
152#endif
153#if defined(HAVE_LINUX_FS_H)
154#include <linux/fs.h>
155#endif
156#if defined(HAVE_LINUX_REBOOT_H)
157#include <linux/reboot.h>
158#endif
159#if defined(HAVE_SYS_INOTIFY_H)
160#include <sys/inotify.h>
161#endif
162#if defined(HAVE_NETINET_ICMP6_H)
163#include <netinet/icmp6.h>
164#endif
165#if defined(HAVE_SCHED_H)
166#include <sched.h>
167#endif
0dad6de4 168#if defined(HAVE_SEMAPHORE_H)
169#include <semaphore.h>
170#endif
6f5938e5 171#if defined(HAVE_PORT_H)
172#include <port.h>
173#endif
bfac90c5 174
63e457ad 175#ifdef USE_LIBFFI
176#include "ffi.h"
177#endif
178
bfac90c5 179/* Constants that may only be defined as expressions on some systems,
180 expressions too complex for -fdump-go-spec to handle. These are
181 handled specially below. */
182enum {
183#ifdef TIOCGWINSZ
184 TIOCGWINSZ_val = TIOCGWINSZ,
185#endif
186#ifdef TIOCSWINSZ
187 TIOCSWINSZ_val = TIOCSWINSZ,
188#endif
189#ifdef TIOCNOTTY
190 TIOCNOTTY_val = TIOCNOTTY,
191#endif
192#ifdef TIOCSCTTY
193 TIOCSCTTY_val = TIOCSCTTY,
194#endif
195#ifdef TIOCGPGRP
196 TIOCGPGRP_val = TIOCGPGRP,
197#endif
198#ifdef TIOCSPGRP
199 TIOCSPGRP_val = TIOCSPGRP,
200#endif
201#ifdef TIOCGPTN
202 TIOCGPTN_val = TIOCGPTN,
203#endif
204#ifdef TIOCSPTLCK
205 TIOCSPTLCK_val = TIOCSPTLCK,
206#endif
207#ifdef TIOCGDEV
208 TIOCGDEV_val = TIOCGDEV,
209#endif
210#ifdef TIOCSIG
211 TIOCSIG_val = TIOCSIG,
212#endif
213#ifdef TCGETS
214 TCGETS_val = TCGETS,
215#endif
216#ifdef TCSETS
217 TCSETS_val = TCSETS,
218#endif
219#ifdef TUNSETIFF
220 TUNSETIFF_val = TUNSETIFF,
221#endif
222#ifdef TUNSETNOCSUM
223 TUNSETNOCSUM_val = TUNSETNOCSUM,
224#endif
225#ifdef TUNSETDEBUG
226 TUNSETDEBUG_val = TUNSETDEBUG,
227#endif
228#ifdef TUNSETPERSIST
229 TUNSETPERSIST_val = TUNSETPERSIST,
230#endif
231#ifdef TUNSETOWNER
232 TUNSETOWNER_val = TUNSETOWNER,
233#endif
234#ifdef TUNSETLINK
235 TUNSETLINK_val = TUNSETLINK,
236#endif
237#ifdef TUNSETGROUP
238 TUNSETGROUP_val = TUNSETGROUP,
239#endif
240#ifdef TUNGETFEATURES
241 TUNGETFEATURES_val = TUNGETFEATURES,
242#endif
243#ifdef TUNSETOFFLOAD
244 TUNSETOFFLOAD_val = TUNSETOFFLOAD,
245#endif
246#ifdef TUNSETTXFILTER
247 TUNSETTXFILTER_val = TUNSETTXFILTER,
248#endif
249#ifdef TUNGETIFF
250 TUNGETIFF_val = TUNGETIFF,
251#endif
252#ifdef TUNGETSNDBUF
253 TUNGETSNDBUF_val = TUNGETSNDBUF,
254#endif
255#ifdef TUNSETSNDBUF
256 TUNSETSNDBUF_val = TUNSETSNDBUF,
257#endif
258#ifdef TUNATTACHFILTER
259 TUNATTACHFILTER_val = TUNATTACHFILTER,
260#endif
261#ifdef TUNDETACHFILTER
262 TUNDETACHFILTER_val = TUNDETACHFILTER,
263#endif
264#ifdef TUNGETVNETHDRSZ
265 TUNGETVNETHDRSZ_val = TUNGETVNETHDRSZ,
266#endif
267#ifdef TUNSETVNETHDRSZ
268 TUNSETVNETHDRSZ_val = TUNSETVNETHDRSZ,
269#endif
270#ifdef TUNSETQUEUE
271 TUNSETQUEUE_val = TUNSETQUEUE,
272#endif
273#ifdef TUNSETIFINDEX
274 TUNSETIFINDEX_val = TUNSETIFINDEX,
275#endif
276#ifdef TUNGETFILTER
277 TUNGETFILTER_val = TUNGETFILTER,
278#endif
279#ifdef NLA_HDRLEN
280 NLA_HDRLEN_val = NLA_HDRLEN,
281#endif
282};
6f5938e5 283
284#if defined(HAVE_SYS_EPOLL_H)
285enum {
286 epoll_data_offset = offsetof(struct epoll_event, data)
287};
288#endif
5657a3c3 289
290// The following section introduces explicit references to types and
291// constants of interest to support bootstrapping libgo using a
292// compiler that doesn't support -fdump-go-spec (e.g., clang), via
293// DWARF-based tools. This process is made more difficult due to the
294// fact that clang tries hard to omit types/constants from DWARF if it
295// can't find explicit references to them, so here we make sure that
296// key items are mentioned in ways that will force them into the
297// generated DWARF.
298
299#if defined(__clang__)
300
301// Make a reference to a type
302#define TREF(typ) typ typ ## ref
303
304// Make a reference to an opaque type
305#define OTREF(typ) typ *typ ## ref
306
307// Make a reference to a struct tag
308#define SREF(stag) struct stag stag ## ref
309
310// Make a reference to an enum literal
311#define EREF(elit) unsigned elit ## fn(unsigned x) { return x == elit ? 1 : 0; }
312
313//......................................................................
314
315// From dirent.h
316SREF(dirent);
317SREF(dirent64);
318OTREF(DIR);
319
320// From fcntl.h
321SREF(flock);
322SREF(flock64);
323
324// From ffi headers
325SREF(_ffi_type);
326TREF(ffi_cif);
327TREF(ffi_abi);
328TREF(ffi_status);
329EREF(FFI_OK);
330
331// From grp.h
332SREF(group);
333
334#if defined(HAVE_LINUX_FILTER_H)
335// From linux/filter.h
336SREF(sock_filter);
337SREF(sock_fprog);
338#endif
339
340// From linux/if.h
341EREF(IFF_UP);
342
343#if defined(HAVE_LINUX_IF_ADDR_H)
344// From linux/if_addr.h
345SREF(ifaddrmsg);
346EREF(IFA_ADDRESS);
347#endif
348
349#if defined(HAVE_LINUX_RTNETLINK_H)
350// From linux/if_link.h
351EREF(IFLA_ADDRESS);
352#endif
353
354// From in.h, in6.h, icmp6.h
355SREF(ip_mreq);
356SREF(ip_mreqn);
357SREF(ipv6_mreq);
358SREF(ip6_mtuinfo);
359SREF(icmp6_filter);
360SREF(in_pktinfo);
361EREF(IPPROTO_TCP);
362
363#if defined(HAVE_LINUX_RTNETLINK_H)
364// From linux/rtnetlink.h
365SREF(rtgenmsg);
366SREF(rtmsg);
367SREF(ifinfomsg);
368SREF(rtattr);
369SREF(rtnexthop);
370EREF(RTM_BASE);
371EREF(RTN_UNSPEC);
372#endif
373
374// From netdb.h
375SREF(addrinfo);
376
377// From netlink.h
378SREF(nlattr);
379SREF(nlmsgerr);
380
381// From pthread.h and related
382TREF(pthread_attr_t);
383TREF(pthread_t);
384TREF(pthread_mutex_t);
385TREF(pthread_mutexattr_t);
386
387// From pwd.h
388SREF(passwd);
389
390// From signal.h and related
391TREF(sigset_t);
392TREF(siginfo_t);
393TREF(stack_t);
394SREF(sigaction);
395SREF(sigstack);
396EREF(SI_USER);
397EREF(FPE_INTOVF);
398EREF(BUS_ADRALN);
399EREF(SS_ONSTACK);
400EREF(SEGV_MAPERR);
401
402// From stat.h
403SREF(stat64);
404
405// From statfs.h
406SREF(statfs);
407SREF(statfs64);
408
409// From sysinfo.h
410SREF(sysinfo);
411
412// From <sys/epoll.h>
413#if defined(HAVE_SYS_EPOLL_H)
414SREF(epoll_event);
415EREF(EPOLLIN);
416EREF(epoll_data_offset);
417#endif
418
419#if defined(HAVE_SYS_MOUNT_H)
420// From sys/mount.h
421EREF(MS_PRIVATE);
422EREF(MNT_FORCE);
423#endif
424
425#if defined(HAVE_SYS_PTRACE_H)
426// From <sys/ptrace.h>
427SREF(pt_regs);
428EREF(PTRACE_PEEKTEXT);
429#endif
430
431// From sys/resource.h
432SREF(rusage);
433SREF(rlimit64);
434EREF(RLIMIT_NOFILE);
435EREF(PRIO_USER);
436
437// From sys/select.h
438TREF(fd_set);
439
440// From sys/socket.h
441SREF(msghdr);
442SREF(cmsghdr);
443SREF(ucred);
444EREF(MSG_OOB);
445EREF(SCM_RIGHTS);
446EREF(SOCK_RAW);
447EREF(SHUT_RD);
448
449// From sys/time.h and sys/times.h
450SREF(timespec);
451SREF(timeval);
452SREF(itimerval);
453SREF(tms);
454EREF(ITIMER_PROF);
455
456#if defined(HAVE_SYS_TIMEX_H)
457// From sys/timex.h
458SREF(timex);
459#endif
460
461// From sys/types.h
462TREF(pid_t);
463TREF(off_t);
464TREF(loff_t);
465TREF(size_t);
466TREF(ssize_t);
467TREF(mode_t);
468TREF(dev_t);
469TREF(time_t);
470
471// From sys/ucontext.h
472TREF(ucontext_t);
473
474#if defined(HAVE_SYS_USER_H)
475// From sys/user.h
476SREF(user_regs_struct);
477#endif
478
479#if defined(HAVE_SYS_UTSNAME_H)
480// From sys/utsname.h
481SREF(utsname);
482#endif
483
484// From termios.h
485SREF(termios);
486
487// From uio.h
488SREF(iovec);
489
490// From utime.h
491SREF(utimbuf);
492
493// From unistd.h
494EREF(_PC_NAME_MAX);
495EREF(_SC_GETPW_R_SIZE_MAX);
496
497#endif // clang