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15c0b25d AP |
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 | |
107c1cdb ND |
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 | |
15c0b25d AP |
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/termio.h> | |
48 | #include <termios.h> | |
49 | #include <fcntl.h> | |
50 | ||
51 | #define AF_LOCAL AF_UNIX | |
52 | ' | |
53 | ||
54 | includes_Darwin=' | |
55 | #define _DARWIN_C_SOURCE | |
56 | #define KERNEL | |
57 | #define _DARWIN_USE_64_BIT_INODE | |
58 | #include <stdint.h> | |
59 | #include <sys/attr.h> | |
60 | #include <sys/types.h> | |
61 | #include <sys/event.h> | |
62 | #include <sys/ptrace.h> | |
63 | #include <sys/socket.h> | |
64 | #include <sys/sockio.h> | |
65 | #include <sys/sysctl.h> | |
66 | #include <sys/mman.h> | |
67 | #include <sys/mount.h> | |
68 | #include <sys/utsname.h> | |
69 | #include <sys/wait.h> | |
70 | #include <sys/xattr.h> | |
71 | #include <net/bpf.h> | |
72 | #include <net/if.h> | |
73 | #include <net/if_types.h> | |
74 | #include <net/route.h> | |
75 | #include <netinet/in.h> | |
76 | #include <netinet/ip.h> | |
77 | #include <termios.h> | |
78 | ' | |
79 | ||
80 | includes_DragonFly=' | |
81 | #include <sys/types.h> | |
82 | #include <sys/event.h> | |
83 | #include <sys/socket.h> | |
84 | #include <sys/sockio.h> | |
85 | #include <sys/stat.h> | |
86 | #include <sys/sysctl.h> | |
87 | #include <sys/mman.h> | |
88 | #include <sys/mount.h> | |
89 | #include <sys/wait.h> | |
90 | #include <sys/ioctl.h> | |
91 | #include <net/bpf.h> | |
92 | #include <net/if.h> | |
93 | #include <net/if_types.h> | |
94 | #include <net/route.h> | |
95 | #include <netinet/in.h> | |
96 | #include <termios.h> | |
97 | #include <netinet/ip.h> | |
98 | #include <net/ip_mroute/ip_mroute.h> | |
99 | ' | |
100 | ||
101 | includes_FreeBSD=' | |
107c1cdb | 102 | #include <sys/capsicum.h> |
15c0b25d AP |
103 | #include <sys/param.h> |
104 | #include <sys/types.h> | |
105 | #include <sys/event.h> | |
106 | #include <sys/socket.h> | |
107 | #include <sys/sockio.h> | |
108 | #include <sys/stat.h> | |
109 | #include <sys/sysctl.h> | |
110 | #include <sys/mman.h> | |
111 | #include <sys/mount.h> | |
112 | #include <sys/wait.h> | |
113 | #include <sys/ioctl.h> | |
114 | #include <net/bpf.h> | |
115 | #include <net/if.h> | |
116 | #include <net/if_types.h> | |
117 | #include <net/route.h> | |
118 | #include <netinet/in.h> | |
119 | #include <termios.h> | |
120 | #include <netinet/ip.h> | |
121 | #include <netinet/ip_mroute.h> | |
122 | #include <sys/extattr.h> | |
123 | ||
124 | #if __FreeBSD__ >= 10 | |
125 | #define IFT_CARP 0xf8 // IFT_CARP is deprecated in FreeBSD 10 | |
126 | #undef SIOCAIFADDR | |
127 | #define SIOCAIFADDR _IOW(105, 26, struct oifaliasreq) // ifaliasreq contains if_data | |
128 | #undef SIOCSIFPHYADDR | |
129 | #define SIOCSIFPHYADDR _IOW(105, 70, struct oifaliasreq) // ifaliasreq contains if_data | |
130 | #endif | |
131 | ' | |
132 | ||
133 | includes_Linux=' | |
134 | #define _LARGEFILE_SOURCE | |
135 | #define _LARGEFILE64_SOURCE | |
136 | #ifndef __LP64__ | |
137 | #define _FILE_OFFSET_BITS 64 | |
138 | #endif | |
139 | #define _GNU_SOURCE | |
140 | ||
141 | // <sys/ioctl.h> is broken on powerpc64, as it fails to include definitions of | |
142 | // these structures. We just include them copied from <bits/termios.h>. | |
143 | #if defined(__powerpc__) | |
144 | struct sgttyb { | |
145 | char sg_ispeed; | |
146 | char sg_ospeed; | |
147 | char sg_erase; | |
148 | char sg_kill; | |
149 | short sg_flags; | |
150 | }; | |
151 | ||
152 | struct tchars { | |
153 | char t_intrc; | |
154 | char t_quitc; | |
155 | char t_startc; | |
156 | char t_stopc; | |
157 | char t_eofc; | |
158 | char t_brkc; | |
159 | }; | |
160 | ||
161 | struct ltchars { | |
162 | char t_suspc; | |
163 | char t_dsuspc; | |
164 | char t_rprntc; | |
165 | char t_flushc; | |
166 | char t_werasc; | |
167 | char t_lnextc; | |
168 | }; | |
169 | #endif | |
170 | ||
171 | #include <bits/sockaddr.h> | |
172 | #include <sys/epoll.h> | |
173 | #include <sys/eventfd.h> | |
174 | #include <sys/inotify.h> | |
175 | #include <sys/ioctl.h> | |
176 | #include <sys/mman.h> | |
177 | #include <sys/mount.h> | |
178 | #include <sys/prctl.h> | |
179 | #include <sys/stat.h> | |
180 | #include <sys/types.h> | |
181 | #include <sys/time.h> | |
107c1cdb | 182 | #include <sys/signalfd.h> |
15c0b25d AP |
183 | #include <sys/socket.h> |
184 | #include <sys/xattr.h> | |
107c1cdb | 185 | #include <linux/errqueue.h> |
15c0b25d AP |
186 | #include <linux/if.h> |
187 | #include <linux/if_alg.h> | |
188 | #include <linux/if_arp.h> | |
189 | #include <linux/if_ether.h> | |
107c1cdb | 190 | #include <linux/if_ppp.h> |
15c0b25d AP |
191 | #include <linux/if_tun.h> |
192 | #include <linux/if_packet.h> | |
193 | #include <linux/if_addr.h> | |
194 | #include <linux/falloc.h> | |
107c1cdb | 195 | #include <linux/fanotify.h> |
15c0b25d AP |
196 | #include <linux/filter.h> |
197 | #include <linux/fs.h> | |
198 | #include <linux/kexec.h> | |
199 | #include <linux/keyctl.h> | |
200 | #include <linux/magic.h> | |
201 | #include <linux/memfd.h> | |
202 | #include <linux/module.h> | |
203 | #include <linux/netfilter/nfnetlink.h> | |
204 | #include <linux/netlink.h> | |
205 | #include <linux/net_namespace.h> | |
206 | #include <linux/perf_event.h> | |
207 | #include <linux/random.h> | |
208 | #include <linux/reboot.h> | |
209 | #include <linux/rtnetlink.h> | |
210 | #include <linux/ptrace.h> | |
211 | #include <linux/sched.h> | |
212 | #include <linux/seccomp.h> | |
213 | #include <linux/sockios.h> | |
214 | #include <linux/wait.h> | |
215 | #include <linux/icmpv6.h> | |
216 | #include <linux/serial.h> | |
217 | #include <linux/can.h> | |
218 | #include <linux/vm_sockets.h> | |
219 | #include <linux/taskstats.h> | |
220 | #include <linux/genetlink.h> | |
221 | #include <linux/watchdog.h> | |
222 | #include <linux/hdreg.h> | |
223 | #include <linux/rtc.h> | |
224 | #include <linux/if_xdp.h> | |
107c1cdb | 225 | #include <linux/cryptouser.h> |
15c0b25d AP |
226 | #include <mtd/ubi-user.h> |
227 | #include <net/route.h> | |
107c1cdb ND |
228 | |
229 | #if defined(__sparc__) | |
230 | // On sparc{,64}, the kernel defines struct termios2 itself which clashes with the | |
231 | // definition in glibc. As only the error constants are needed here, include the | |
232 | // generic termibits.h (which is included by termbits.h on sparc). | |
233 | #include <asm-generic/termbits.h> | |
234 | #else | |
15c0b25d | 235 | #include <asm/termbits.h> |
107c1cdb | 236 | #endif |
15c0b25d AP |
237 | |
238 | #ifndef MSG_FASTOPEN | |
239 | #define MSG_FASTOPEN 0x20000000 | |
240 | #endif | |
241 | ||
242 | #ifndef PTRACE_GETREGS | |
243 | #define PTRACE_GETREGS 0xc | |
244 | #endif | |
245 | ||
246 | #ifndef PTRACE_SETREGS | |
247 | #define PTRACE_SETREGS 0xd | |
248 | #endif | |
249 | ||
250 | #ifndef SOL_NETLINK | |
251 | #define SOL_NETLINK 270 | |
252 | #endif | |
253 | ||
254 | #ifdef SOL_BLUETOOTH | |
255 | // SPARC includes this in /usr/include/sparc64-linux-gnu/bits/socket.h | |
256 | // but it is already in bluetooth_linux.go | |
257 | #undef SOL_BLUETOOTH | |
258 | #endif | |
259 | ||
260 | // Certain constants are missing from the fs/crypto UAPI | |
261 | #define FS_KEY_DESC_PREFIX "fscrypt:" | |
262 | #define FS_KEY_DESC_PREFIX_SIZE 8 | |
263 | #define FS_MAX_KEY_SIZE 64 | |
15c0b25d AP |
264 | ' |
265 | ||
266 | includes_NetBSD=' | |
267 | #include <sys/types.h> | |
268 | #include <sys/param.h> | |
269 | #include <sys/event.h> | |
270 | #include <sys/extattr.h> | |
271 | #include <sys/mman.h> | |
272 | #include <sys/mount.h> | |
273 | #include <sys/socket.h> | |
274 | #include <sys/sockio.h> | |
275 | #include <sys/sysctl.h> | |
276 | #include <sys/termios.h> | |
277 | #include <sys/ttycom.h> | |
278 | #include <sys/wait.h> | |
279 | #include <net/bpf.h> | |
280 | #include <net/if.h> | |
281 | #include <net/if_types.h> | |
282 | #include <net/route.h> | |
283 | #include <netinet/in.h> | |
284 | #include <netinet/in_systm.h> | |
285 | #include <netinet/ip.h> | |
286 | #include <netinet/ip_mroute.h> | |
287 | #include <netinet/if_ether.h> | |
288 | ||
289 | // Needed since <sys/param.h> refers to it... | |
290 | #define schedppq 1 | |
291 | ' | |
292 | ||
293 | includes_OpenBSD=' | |
294 | #include <sys/types.h> | |
295 | #include <sys/param.h> | |
296 | #include <sys/event.h> | |
297 | #include <sys/mman.h> | |
298 | #include <sys/mount.h> | |
299 | #include <sys/socket.h> | |
300 | #include <sys/sockio.h> | |
301 | #include <sys/stat.h> | |
302 | #include <sys/sysctl.h> | |
303 | #include <sys/termios.h> | |
304 | #include <sys/ttycom.h> | |
305 | #include <sys/unistd.h> | |
306 | #include <sys/wait.h> | |
307 | #include <net/bpf.h> | |
308 | #include <net/if.h> | |
309 | #include <net/if_types.h> | |
310 | #include <net/if_var.h> | |
311 | #include <net/route.h> | |
312 | #include <netinet/in.h> | |
313 | #include <netinet/in_systm.h> | |
314 | #include <netinet/ip.h> | |
315 | #include <netinet/ip_mroute.h> | |
316 | #include <netinet/if_ether.h> | |
317 | #include <net/if_bridge.h> | |
318 | ||
319 | // We keep some constants not supported in OpenBSD 5.5 and beyond for | |
320 | // the promise of compatibility. | |
321 | #define EMUL_ENABLED 0x1 | |
322 | #define EMUL_NATIVE 0x2 | |
323 | #define IPV6_FAITH 0x1d | |
324 | #define IPV6_OPTIONS 0x1 | |
325 | #define IPV6_RTHDR_STRICT 0x1 | |
326 | #define IPV6_SOCKOPT_RESERVED1 0x3 | |
327 | #define SIOCGIFGENERIC 0xc020693a | |
328 | #define SIOCSIFGENERIC 0x80206939 | |
329 | #define WALTSIG 0x4 | |
330 | ' | |
331 | ||
332 | includes_SunOS=' | |
333 | #include <limits.h> | |
334 | #include <sys/types.h> | |
335 | #include <sys/socket.h> | |
336 | #include <sys/sockio.h> | |
337 | #include <sys/stat.h> | |
338 | #include <sys/mman.h> | |
339 | #include <sys/wait.h> | |
340 | #include <sys/ioctl.h> | |
341 | #include <sys/mkdev.h> | |
342 | #include <net/bpf.h> | |
343 | #include <net/if.h> | |
344 | #include <net/if_arp.h> | |
345 | #include <net/if_types.h> | |
346 | #include <net/route.h> | |
347 | #include <netinet/in.h> | |
348 | #include <termios.h> | |
349 | #include <netinet/ip.h> | |
350 | #include <netinet/ip_mroute.h> | |
351 | ' | |
352 | ||
353 | ||
354 | includes=' | |
355 | #include <sys/types.h> | |
356 | #include <sys/file.h> | |
357 | #include <fcntl.h> | |
358 | #include <dirent.h> | |
359 | #include <sys/socket.h> | |
360 | #include <netinet/in.h> | |
361 | #include <netinet/ip.h> | |
362 | #include <netinet/ip6.h> | |
363 | #include <netinet/tcp.h> | |
364 | #include <errno.h> | |
365 | #include <sys/signal.h> | |
366 | #include <signal.h> | |
367 | #include <sys/resource.h> | |
368 | #include <time.h> | |
369 | ' | |
370 | ccflags="$@" | |
371 | ||
372 | # Write go tool cgo -godefs input. | |
373 | ( | |
374 | echo package unix | |
375 | echo | |
376 | echo '/*' | |
377 | indirect="includes_$(uname)" | |
378 | echo "${!indirect} $includes" | |
379 | echo '*/' | |
380 | echo 'import "C"' | |
381 | echo 'import "syscall"' | |
382 | echo | |
383 | echo 'const (' | |
384 | ||
385 | # The gcc command line prints all the #defines | |
386 | # it encounters while processing the input | |
387 | echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags | | |
388 | awk ' | |
389 | $1 != "#define" || $2 ~ /\(/ || $3 == "" {next} | |
390 | ||
391 | $2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next} # 386 registers | |
392 | $2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next} | |
393 | $2 ~ /^(SCM_SRCRT)$/ {next} | |
394 | $2 ~ /^(MAP_FAILED)$/ {next} | |
395 | $2 ~ /^ELF_.*$/ {next}# <asm/elf.h> contains ELF_ARCH, etc. | |
396 | ||
397 | $2 ~ /^EXTATTR_NAMESPACE_NAMES/ || | |
398 | $2 ~ /^EXTATTR_NAMESPACE_[A-Z]+_STRING/ {next} | |
399 | ||
400 | $2 !~ /^ECCAPBITS/ && | |
401 | $2 !~ /^ETH_/ && | |
402 | $2 !~ /^EPROC_/ && | |
403 | $2 !~ /^EQUIV_/ && | |
404 | $2 !~ /^EXPR_/ && | |
405 | $2 ~ /^E[A-Z0-9_]+$/ || | |
406 | $2 ~ /^B[0-9_]+$/ || | |
407 | $2 ~ /^(OLD|NEW)DEV$/ || | |
408 | $2 == "BOTHER" || | |
409 | $2 ~ /^CI?BAUD(EX)?$/ || | |
410 | $2 == "IBSHIFT" || | |
411 | $2 ~ /^V[A-Z0-9]+$/ || | |
412 | $2 ~ /^CS[A-Z0-9]/ || | |
413 | $2 ~ /^I(SIG|CANON|CRNL|UCLC|EXTEN|MAXBEL|STRIP|UTF8)$/ || | |
414 | $2 ~ /^IGN/ || | |
415 | $2 ~ /^IX(ON|ANY|OFF)$/ || | |
416 | $2 ~ /^IN(LCR|PCK)$/ || | |
417 | $2 !~ "X86_CR3_PCID_NOFLUSH" && | |
418 | $2 ~ /(^FLU?SH)|(FLU?SH$)/ || | |
419 | $2 ~ /^C(LOCAL|READ|MSPAR|RTSCTS)$/ || | |
420 | $2 == "BRKINT" || | |
421 | $2 == "HUPCL" || | |
422 | $2 == "PENDIN" || | |
423 | $2 == "TOSTOP" || | |
424 | $2 == "XCASE" || | |
425 | $2 == "ALTWERASE" || | |
426 | $2 == "NOKERNINFO" || | |
427 | $2 ~ /^PAR/ || | |
428 | $2 ~ /^SIG[^_]/ || | |
429 | $2 ~ /^O[CNPFPL][A-Z]+[^_][A-Z]+$/ || | |
430 | $2 ~ /^(NL|CR|TAB|BS|VT|FF)DLY$/ || | |
431 | $2 ~ /^(NL|CR|TAB|BS|VT|FF)[0-9]$/ || | |
432 | $2 ~ /^O?XTABS$/ || | |
433 | $2 ~ /^TC[IO](ON|OFF)$/ || | |
434 | $2 ~ /^IN_/ || | |
435 | $2 ~ /^LOCK_(SH|EX|NB|UN)$/ || | |
436 | $2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|EVFILT|NOTE|EV|SHUT|PROT|MAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ || | |
437 | $2 ~ /^TP_STATUS_/ || | |
438 | $2 ~ /^FALLOC_/ || | |
439 | $2 == "ICMPV6_FILTER" || | |
440 | $2 == "SOMAXCONN" || | |
441 | $2 == "NAME_MAX" || | |
442 | $2 == "IFNAMSIZ" || | |
443 | $2 ~ /^CTL_(HW|KERN|MAXNAME|NET|QUERY)$/ || | |
444 | $2 ~ /^KERN_(HOSTNAME|OS(RELEASE|TYPE)|VERSION)$/ || | |
445 | $2 ~ /^HW_MACHINE$/ || | |
446 | $2 ~ /^SYSCTL_VERS/ || | |
447 | $2 !~ "MNT_BITS" && | |
448 | $2 ~ /^(MS|MNT|UMOUNT)_/ || | |
449 | $2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ || | |
107c1cdb | 450 | $2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT)_/ || |
15c0b25d AP |
451 | $2 ~ /^KEXEC_/ || |
452 | $2 ~ /^LINUX_REBOOT_CMD_/ || | |
453 | $2 ~ /^LINUX_REBOOT_MAGIC[12]$/ || | |
454 | $2 ~ /^MODULE_INIT_/ || | |
455 | $2 !~ "NLA_TYPE_MASK" && | |
456 | $2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTC|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P|NETNSA)_/ || | |
457 | $2 ~ /^SIOC/ || | |
458 | $2 ~ /^TIOC/ || | |
459 | $2 ~ /^TCGET/ || | |
460 | $2 ~ /^TCSET/ || | |
461 | $2 ~ /^TC(FLSH|SBRKP?|XONC)$/ || | |
462 | $2 !~ "RTF_BITS" && | |
463 | $2 ~ /^(IFF|IFT|NET_RT|RTM|RTF|RTV|RTA|RTAX)_/ || | |
464 | $2 ~ /^BIOC/ || | |
465 | $2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ || | |
466 | $2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|LOCKS|MEMLOCK|MSGQUEUE|NICE|NOFILE|NPROC|RSS|RTPRIO|RTTIME|SIGPENDING|STACK)|RLIM_INFINITY/ || | |
467 | $2 ~ /^PRIO_(PROCESS|PGRP|USER)/ || | |
468 | $2 ~ /^CLONE_[A-Z_]+/ || | |
469 | $2 !~ /^(BPF_TIMEVAL)$/ && | |
470 | $2 ~ /^(BPF|DLT)_/ || | |
107c1cdb | 471 | $2 ~ /^(CLOCK|TIMER)_/ || |
15c0b25d AP |
472 | $2 ~ /^CAN_/ || |
473 | $2 ~ /^CAP_/ || | |
474 | $2 ~ /^ALG_/ || | |
475 | $2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE|IOC_(GET|SET)_ENCRYPTION)/ || | |
476 | $2 ~ /^GRND_/ || | |
107c1cdb | 477 | $2 ~ /^RND/ || |
15c0b25d AP |
478 | $2 ~ /^KEY_(SPEC|REQKEY_DEFL)_/ || |
479 | $2 ~ /^KEYCTL_/ || | |
480 | $2 ~ /^PERF_EVENT_IOC_/ || | |
481 | $2 ~ /^SECCOMP_MODE_/ || | |
482 | $2 ~ /^SPLICE_/ || | |
483 | $2 ~ /^SYNC_FILE_RANGE_/ || | |
484 | $2 !~ /^AUDIT_RECORD_MAGIC/ && | |
485 | $2 !~ /IOC_MAGIC/ && | |
486 | $2 ~ /^[A-Z][A-Z0-9_]+_MAGIC2?$/ || | |
487 | $2 ~ /^(VM|VMADDR)_/ || | |
488 | $2 ~ /^IOCTL_VM_SOCKETS_/ || | |
489 | $2 ~ /^(TASKSTATS|TS)_/ || | |
490 | $2 ~ /^CGROUPSTATS_/ || | |
491 | $2 ~ /^GENL_/ || | |
492 | $2 ~ /^STATX_/ || | |
493 | $2 ~ /^RENAME/ || | |
494 | $2 ~ /^UBI_IOC[A-Z]/ || | |
495 | $2 ~ /^UTIME_/ || | |
496 | $2 ~ /^XATTR_(CREATE|REPLACE|NO(DEFAULT|FOLLOW|SECURITY)|SHOWCOMPRESSION)/ || | |
497 | $2 ~ /^ATTR_(BIT_MAP_COUNT|(CMN|VOL|FILE)_)/ || | |
498 | $2 ~ /^FSOPT_/ || | |
499 | $2 ~ /^WDIOC_/ || | |
500 | $2 ~ /^NFN/ || | |
501 | $2 ~ /^XDP_/ || | |
502 | $2 ~ /^(HDIO|WIN|SMART)_/ || | |
107c1cdb | 503 | $2 ~ /^CRYPTO_/ || |
15c0b25d AP |
504 | $2 !~ "WMESGLEN" && |
505 | $2 ~ /^W[A-Z0-9]+$/ || | |
107c1cdb ND |
506 | $2 ~/^PPPIOC/ || |
507 | $2 ~ /^FAN_|FANOTIFY_/ || | |
15c0b25d AP |
508 | $2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE)/ {printf("\t%s = C.%s\n", $2, $2)} |
509 | $2 ~ /^__WCOREFLAG$/ {next} | |
510 | $2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)} | |
511 | ||
512 | {next} | |
513 | ' | sort | |
514 | ||
515 | echo ')' | |
516 | ) >_const.go | |
517 | ||
518 | # Pull out the error names for later. | |
519 | errors=$( | |
520 | echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags | | |
521 | awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' | | |
522 | sort | |
523 | ) | |
524 | ||
525 | # Pull out the signal names for later. | |
526 | signals=$( | |
527 | echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags | | |
528 | awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' | | |
529 | egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64)' | | |
530 | sort | |
531 | ) | |
532 | ||
533 | # Again, writing regexps to a file. | |
534 | echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags | | |
535 | awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' | | |
536 | sort >_error.grep | |
537 | echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags | | |
538 | awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' | | |
539 | egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64)' | | |
540 | sort >_signal.grep | |
541 | ||
542 | echo '// mkerrors.sh' "$@" | |
543 | echo '// Code generated by the command above; see README.md. DO NOT EDIT.' | |
544 | echo | |
545 | echo "// +build ${GOARCH},${GOOS}" | |
546 | echo | |
547 | go tool cgo -godefs -- "$@" _const.go >_error.out | |
548 | cat _error.out | grep -vf _error.grep | grep -vf _signal.grep | |
549 | echo | |
550 | echo '// Errors' | |
551 | echo 'const (' | |
552 | cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= syscall.Errno(\1)/' | |
553 | echo ')' | |
554 | ||
555 | echo | |
556 | echo '// Signals' | |
557 | echo 'const (' | |
558 | cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= syscall.Signal(\1)/' | |
559 | echo ')' | |
560 | ||
561 | # Run C program to print error and syscall strings. | |
562 | ( | |
563 | echo -E " | |
564 | #include <stdio.h> | |
565 | #include <stdlib.h> | |
566 | #include <errno.h> | |
567 | #include <ctype.h> | |
568 | #include <string.h> | |
569 | #include <signal.h> | |
570 | ||
571 | #define nelem(x) (sizeof(x)/sizeof((x)[0])) | |
572 | ||
573 | enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below | |
574 | ||
575 | struct tuple { | |
576 | int num; | |
577 | const char *name; | |
578 | }; | |
579 | ||
580 | struct tuple errors[] = { | |
581 | " | |
582 | for i in $errors | |
583 | do | |
584 | echo -E ' {'$i', "'$i'" },' | |
585 | done | |
586 | ||
587 | echo -E " | |
588 | }; | |
589 | ||
590 | struct tuple signals[] = { | |
591 | " | |
592 | for i in $signals | |
593 | do | |
594 | echo -E ' {'$i', "'$i'" },' | |
595 | done | |
596 | ||
597 | # Use -E because on some systems bash builtin interprets \n itself. | |
598 | echo -E ' | |
599 | }; | |
600 | ||
601 | static int | |
602 | tuplecmp(const void *a, const void *b) | |
603 | { | |
604 | return ((struct tuple *)a)->num - ((struct tuple *)b)->num; | |
605 | } | |
606 | ||
607 | int | |
608 | main(void) | |
609 | { | |
610 | int i, e; | |
611 | char buf[1024], *p; | |
612 | ||
613 | printf("\n\n// Error table\n"); | |
614 | printf("var errorList = [...]struct {\n"); | |
615 | printf("\tnum syscall.Errno\n"); | |
616 | printf("\tname string\n"); | |
617 | printf("\tdesc string\n"); | |
618 | printf("} {\n"); | |
619 | qsort(errors, nelem(errors), sizeof errors[0], tuplecmp); | |
620 | for(i=0; i<nelem(errors); i++) { | |
621 | e = errors[i].num; | |
622 | if(i > 0 && errors[i-1].num == e) | |
623 | continue; | |
624 | strcpy(buf, strerror(e)); | |
625 | // lowercase first letter: Bad -> bad, but STREAM -> STREAM. | |
626 | if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z) | |
627 | buf[0] += a - A; | |
628 | printf("\t{ %d, \"%s\", \"%s\" },\n", e, errors[i].name, buf); | |
629 | } | |
630 | printf("}\n\n"); | |
631 | ||
632 | printf("\n\n// Signal table\n"); | |
633 | printf("var signalList = [...]struct {\n"); | |
634 | printf("\tnum syscall.Signal\n"); | |
635 | printf("\tname string\n"); | |
636 | printf("\tdesc string\n"); | |
637 | printf("} {\n"); | |
638 | qsort(signals, nelem(signals), sizeof signals[0], tuplecmp); | |
639 | for(i=0; i<nelem(signals); i++) { | |
640 | e = signals[i].num; | |
641 | if(i > 0 && signals[i-1].num == e) | |
642 | continue; | |
643 | strcpy(buf, strsignal(e)); | |
644 | // lowercase first letter: Bad -> bad, but STREAM -> STREAM. | |
645 | if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z) | |
646 | buf[0] += a - A; | |
647 | // cut trailing : number. | |
648 | p = strrchr(buf, ":"[0]); | |
649 | if(p) | |
650 | *p = '\0'; | |
651 | printf("\t{ %d, \"%s\", \"%s\" },\n", e, signals[i].name, buf); | |
652 | } | |
653 | printf("}\n\n"); | |
654 | ||
655 | return 0; | |
656 | } | |
657 | ||
658 | ' | |
659 | ) >_errors.c | |
660 | ||
661 | $CC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.go _error.grep _signal.grep _error.out |