1 #![deny(warnings)] 2 3 extern crate cc; 4 extern crate ctest2 as ctest; 5 6 use std::fs::File; 7 use std::io::{BufRead, BufReader, BufWriter, Write}; 8 use std::path::{Path, PathBuf}; 9 use std::{env, io}; 10 11 fn do_cc() { 12 let target = env::var("TARGET").unwrap(); 13 if cfg!(unix) { 14 let exclude = ["redox", "wasi"]; 15 if !exclude.iter().any(|x| target.contains(x)) { 16 let mut cmsg = cc::Build::new(); 17 18 cmsg.file("src/cmsg.c"); 19 20 if target.contains("solaris") || target.contains("illumos") { 21 cmsg.define("_XOPEN_SOURCE", "700"); 22 } 23 cmsg.compile("cmsg"); 24 } 25 26 if target.contains("linux") 27 || target.contains("android") 28 || target.contains("emscripten") 29 || target.contains("fuchsia") 30 || target.contains("bsd") 31 { 32 cc::Build::new().file("src/makedev.c").compile("makedev"); 33 } 34 } 35 if target.contains("android") || target.contains("linux") { 36 cc::Build::new().file("src/errqueue.c").compile("errqueue"); 37 } 38 if target.contains("linux") 39 || target.contains("l4re") 40 || target.contains("android") 41 || target.contains("emscripten") 42 { 43 cc::Build::new().file("src/sigrt.c").compile("sigrt"); 44 } 45 } 46 47 fn do_ctest() { 48 match &env::var("TARGET").unwrap() { 49 t if t.contains("android") => return test_android(t), 50 t if t.contains("apple") => return test_apple(t), 51 t if t.contains("dragonfly") => return test_dragonflybsd(t), 52 t if t.contains("emscripten") => return test_emscripten(t), 53 t if t.contains("freebsd") => return test_freebsd(t), 54 t if t.contains("haiku") => return test_haiku(t), 55 t if t.contains("linux") => return test_linux(t), 56 t if t.contains("netbsd") => return test_netbsd(t), 57 t if t.contains("openbsd") => return test_openbsd(t), 58 t if t.contains("redox") => return test_redox(t), 59 t if t.contains("solaris") => return test_solarish(t), 60 t if t.contains("illumos") => return test_solarish(t), 61 t if t.contains("wasi") => return test_wasi(t), 62 t if t.contains("windows") => return test_windows(t), 63 t if t.contains("vxworks") => return test_vxworks(t), 64 t if t.contains("nto-qnx") => return test_neutrino(t), 65 t => panic!("unknown target {}", t), 66 } 67 } 68 69 fn ctest_cfg() -> ctest::TestGenerator { 70 let mut cfg = ctest::TestGenerator::new(); 71 let libc_cfgs = [ 72 "libc_priv_mod_use", 73 "libc_union", 74 "libc_const_size_of", 75 "libc_align", 76 "libc_core_cvoid", 77 "libc_packedN", 78 "libc_thread_local", 79 ]; 80 for f in &libc_cfgs { 81 cfg.cfg(f, None); 82 } 83 cfg 84 } 85 86 fn do_semver() { 87 let mut out = PathBuf::from(env::var("OUT_DIR").unwrap()); 88 out.push("semver.rs"); 89 let mut output = BufWriter::new(File::create(&out).unwrap()); 90 91 let family = env::var("CARGO_CFG_TARGET_FAMILY").unwrap(); 92 let vendor = env::var("CARGO_CFG_TARGET_VENDOR").unwrap(); 93 let os = env::var("CARGO_CFG_TARGET_OS").unwrap(); 94 let arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap(); 95 let target_env = env::var("CARGO_CFG_TARGET_ENV").unwrap(); 96 97 // `libc-test/semver` dir. 98 let mut semver_root = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap()); 99 semver_root.push("semver"); 100 101 // NOTE: Windows has the same `family` as `os`, no point in including it 102 // twice. 103 // NOTE: Android doesn't include the unix file (or the Linux file) because 104 // there are some many definitions missing it's actually easier just to 105 // maintain a file for Android. 106 if family != os && os != "android" { 107 process_semver_file(&mut output, &mut semver_root, &family); 108 } 109 process_semver_file(&mut output, &mut semver_root, &vendor); 110 process_semver_file(&mut output, &mut semver_root, &os); 111 let os_arch = format!("{}-{}", os, arch); 112 process_semver_file(&mut output, &mut semver_root, &os_arch); 113 if target_env != "" { 114 let os_env = format!("{}-{}", os, target_env); 115 process_semver_file(&mut output, &mut semver_root, &os_env); 116 117 let os_env_arch = format!("{}-{}-{}", os, target_env, arch); 118 process_semver_file(&mut output, &mut semver_root, &os_env_arch); 119 } 120 } 121 122 fn process_semver_file<W: Write, P: AsRef<Path>>(output: &mut W, path: &mut PathBuf, file: P) { 123 // NOTE: `path` is reused between calls, so always remove the file again. 124 path.push(file); 125 path.set_extension("txt"); 126 127 println!("cargo:rerun-if-changed={}", path.display()); 128 let input_file = match File::open(&*path) { 129 Ok(file) => file, 130 Err(ref err) if err.kind() == io::ErrorKind::NotFound => { 131 path.pop(); 132 return; 133 } 134 Err(err) => panic!("unexpected error opening file: {}", err), 135 }; 136 let input = BufReader::new(input_file); 137 138 write!(output, "// Source: {}.\n", path.display()).unwrap(); 139 output.write(b"use libc::{\n").unwrap(); 140 for line in input.lines() { 141 let line = line.unwrap().into_bytes(); 142 match line.first() { 143 // Ignore comments and empty lines. 144 Some(b'#') | None => continue, 145 _ => { 146 output.write(b" ").unwrap(); 147 output.write(&line).unwrap(); 148 output.write(b",\n").unwrap(); 149 } 150 } 151 } 152 output.write(b"};\n\n").unwrap(); 153 path.pop(); 154 } 155 156 fn main() { 157 do_cc(); 158 do_ctest(); 159 do_semver(); 160 } 161 162 macro_rules! headers { 163 ($cfg:ident: [$m:expr]: $header:literal) => { 164 if $m { 165 $cfg.header($header); 166 } 167 }; 168 ($cfg:ident: $header:literal) => { 169 $cfg.header($header); 170 }; 171 ($($cfg:ident: $([$c:expr]:)* $header:literal,)*) => { 172 $(headers!($cfg: $([$c]:)* $header);)* 173 }; 174 ($cfg:ident: $( $([$c:expr]:)* $header:literal,)*) => { 175 headers!($($cfg: $([$c]:)* $header,)*); 176 }; 177 ($cfg:ident: $( $([$c:expr]:)* $header:literal),*) => { 178 headers!($($cfg: $([$c]:)* $header,)*); 179 }; 180 } 181 182 fn test_apple(target: &str) { 183 assert!(target.contains("apple")); 184 let x86_64 = target.contains("x86_64"); 185 let i686 = target.contains("i686"); 186 187 let mut cfg = ctest_cfg(); 188 cfg.flag("-Wno-deprecated-declarations"); 189 cfg.define("__APPLE_USE_RFC_3542", None); 190 191 headers! { cfg: 192 "aio.h", 193 "CommonCrypto/CommonCrypto.h", 194 "CommonCrypto/CommonRandom.h", 195 "copyfile.h", 196 "crt_externs.h", 197 "ctype.h", 198 "dirent.h", 199 "dlfcn.h", 200 "errno.h", 201 "execinfo.h", 202 "fcntl.h", 203 "getopt.h", 204 "glob.h", 205 "grp.h", 206 "iconv.h", 207 "ifaddrs.h", 208 "langinfo.h", 209 "libgen.h", 210 "libproc.h", 211 "limits.h", 212 "locale.h", 213 "mach-o/dyld.h", 214 "mach/mach_init.h", 215 "mach/mach.h", 216 "mach/mach_time.h", 217 "mach/mach_types.h", 218 "mach/mach_vm.h", 219 "mach/thread_act.h", 220 "mach/thread_policy.h", 221 "malloc/malloc.h", 222 "net/bpf.h", 223 "net/dlil.h", 224 "net/if.h", 225 "net/if_arp.h", 226 "net/if_dl.h", 227 "net/if_utun.h", 228 "net/if_var.h", 229 "net/ndrv.h", 230 "net/route.h", 231 "netdb.h", 232 "netinet/if_ether.h", 233 "netinet/in.h", 234 "netinet/ip.h", 235 "netinet/tcp.h", 236 "netinet/udp.h", 237 "os/lock.h", 238 "os/signpost.h", 239 "poll.h", 240 "pthread.h", 241 "pthread_spis.h", 242 "pthread/introspection.h", 243 "pthread/spawn.h", 244 "pthread/stack_np.h", 245 "pwd.h", 246 "regex.h", 247 "resolv.h", 248 "sched.h", 249 "semaphore.h", 250 "signal.h", 251 "spawn.h", 252 "stddef.h", 253 "stdint.h", 254 "stdio.h", 255 "stdlib.h", 256 "string.h", 257 "sysdir.h", 258 "sys/appleapiopts.h", 259 "sys/attr.h", 260 "sys/clonefile.h", 261 "sys/event.h", 262 "sys/file.h", 263 "sys/ioctl.h", 264 "sys/ipc.h", 265 "sys/kern_control.h", 266 "sys/mman.h", 267 "sys/mount.h", 268 "sys/proc_info.h", 269 "sys/ptrace.h", 270 "sys/quota.h", 271 "sys/resource.h", 272 "sys/sem.h", 273 "sys/shm.h", 274 "sys/socket.h", 275 "sys/stat.h", 276 "sys/statvfs.h", 277 "sys/sys_domain.h", 278 "sys/sysctl.h", 279 "sys/time.h", 280 "sys/times.h", 281 "sys/timex.h", 282 "sys/types.h", 283 "sys/uio.h", 284 "sys/un.h", 285 "sys/utsname.h", 286 "sys/vsock.h", 287 "sys/wait.h", 288 "sys/xattr.h", 289 "syslog.h", 290 "termios.h", 291 "time.h", 292 "unistd.h", 293 "util.h", 294 "utime.h", 295 "utmpx.h", 296 "wchar.h", 297 "xlocale.h", 298 [x86_64]: "crt_externs.h", 299 } 300 301 cfg.skip_struct(move |ty| { 302 match ty { 303 // FIXME: actually a union 304 "sigval" => true, 305 306 // FIXME: The size is changed in recent macOSes. 307 "malloc_zone_t" => true, 308 309 _ => false, 310 } 311 }); 312 313 cfg.skip_type(move |ty| match ty { 314 _ => false, 315 }); 316 317 cfg.skip_const(move |name| { 318 // They're declared via `deprecated_mach` and we don't support it anymore. 319 if name.starts_with("VM_FLAGS_") { 320 return true; 321 } 322 match name { 323 // These OSX constants are removed in Sierra. 324 // https://developer.apple.com/library/content/releasenotes/General/APIDiffsMacOS10_12/Swift/Darwin.html 325 "KERN_KDENABLE_BG_TRACE" | "KERN_KDDISABLE_BG_TRACE" => true, 326 // FIXME: the value has been changed since Catalina (0xffff0000 -> 0x3fff0000). 327 "SF_SETTABLE" => true, 328 329 // FIXME: XCode 13.1 doesn't have it. 330 "TIOCREMOTE" => true, 331 _ => false, 332 } 333 }); 334 335 cfg.skip_fn(move |name| { 336 // skip those that are manually verified 337 match name { 338 // FIXME: https://github.com/rust-lang/libc/issues/1272 339 "execv" | "execve" | "execvp" => true, 340 341 // close calls the close_nocancel system call 342 "close" => true, 343 344 // FIXME: libstd removed libresolv support: https://github.com/rust-lang/rust/pull/102766 345 "res_init" => true, 346 347 // FIXME: remove once the target in CI is updated 348 "pthread_jit_write_freeze_callbacks_np" => true, 349 350 // FIXME: ABI has been changed on recent macOSes. 351 "os_unfair_lock_assert_owner" | "os_unfair_lock_assert_not_owner" => true, 352 353 // FIXME: Once the SDK get updated to Ventura's level 354 "freadlink" | "mknodat" | "mkfifoat" => true, 355 356 _ => false, 357 } 358 }); 359 360 cfg.skip_field(move |struct_, field| { 361 match (struct_, field) { 362 // FIXME: the array size has been changed since macOS 10.15 ([8] -> [7]). 363 ("statfs", "f_reserved") => true, 364 ("__darwin_arm_neon_state64", "__v") => true, 365 // MAXPATHLEN is too big for auto-derive traits on arrays. 366 ("vnode_info_path", "vip_path") => true, 367 _ => false, 368 } 369 }); 370 371 cfg.skip_field_type(move |struct_, field| { 372 match (struct_, field) { 373 // FIXME: actually a union 374 ("sigevent", "sigev_value") => true, 375 _ => false, 376 } 377 }); 378 379 cfg.volatile_item(|i| { 380 use ctest::VolatileItemKind::*; 381 match i { 382 StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => true, 383 _ => false, 384 } 385 }); 386 387 cfg.type_name(move |ty, is_struct, is_union| { 388 match ty { 389 // Just pass all these through, no need for a "struct" prefix 390 "FILE" | "DIR" | "Dl_info" => ty.to_string(), 391 392 // OSX calls this something else 393 "sighandler_t" => "sig_t".to_string(), 394 395 t if is_union => format!("union {}", t), 396 t if t.ends_with("_t") => t.to_string(), 397 t if is_struct => format!("struct {}", t), 398 t => t.to_string(), 399 } 400 }); 401 402 cfg.field_name(move |struct_, field| { 403 match field { 404 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 405 s.replace("e_nsec", "espec.tv_nsec") 406 } 407 // FIXME: sigaction actually contains a union with two variants: 408 // a sa_sigaction with type: (*)(int, struct __siginfo *, void *) 409 // a sa_handler with type sig_t 410 "sa_sigaction" if struct_ == "sigaction" => "sa_handler".to_string(), 411 s => s.to_string(), 412 } 413 }); 414 415 cfg.skip_roundtrip(move |s| match s { 416 // FIXME: this type has the wrong ABI 417 "max_align_t" if i686 => true, 418 // Can't return an array from a C function. 419 "uuid_t" | "vol_capabilities_set_t" => true, 420 _ => false, 421 }); 422 cfg.generate("../src/lib.rs", "main.rs"); 423 } 424 425 fn test_openbsd(target: &str) { 426 assert!(target.contains("openbsd")); 427 428 let mut cfg = ctest_cfg(); 429 cfg.flag("-Wno-deprecated-declarations"); 430 431 let x86_64 = target.contains("x86_64"); 432 433 headers! { cfg: 434 "elf.h", 435 "errno.h", 436 "execinfo.h", 437 "fcntl.h", 438 "getopt.h", 439 "libgen.h", 440 "limits.h", 441 "link.h", 442 "locale.h", 443 "stddef.h", 444 "stdint.h", 445 "stdio.h", 446 "stdlib.h", 447 "sys/stat.h", 448 "sys/types.h", 449 "time.h", 450 "wchar.h", 451 "ctype.h", 452 "dirent.h", 453 "sys/socket.h", 454 [x86_64]:"machine/fpu.h", 455 "net/if.h", 456 "net/route.h", 457 "net/if_arp.h", 458 "netdb.h", 459 "netinet/in.h", 460 "netinet/ip.h", 461 "netinet/tcp.h", 462 "netinet/udp.h", 463 "net/bpf.h", 464 "regex.h", 465 "resolv.h", 466 "pthread.h", 467 "dlfcn.h", 468 "search.h", 469 "signal.h", 470 "string.h", 471 "sys/file.h", 472 "sys/futex.h", 473 "sys/ioctl.h", 474 "sys/ipc.h", 475 "sys/mman.h", 476 "sys/param.h", 477 "sys/resource.h", 478 "sys/shm.h", 479 "sys/socket.h", 480 "sys/time.h", 481 "sys/uio.h", 482 "sys/ktrace.h", 483 "sys/un.h", 484 "sys/wait.h", 485 "unistd.h", 486 "utime.h", 487 "pwd.h", 488 "grp.h", 489 "sys/utsname.h", 490 "sys/ptrace.h", 491 "sys/mount.h", 492 "sys/uio.h", 493 "sched.h", 494 "termios.h", 495 "poll.h", 496 "syslog.h", 497 "semaphore.h", 498 "sys/statvfs.h", 499 "sys/times.h", 500 "glob.h", 501 "ifaddrs.h", 502 "langinfo.h", 503 "sys/sysctl.h", 504 "utmp.h", 505 "sys/event.h", 506 "net/if_dl.h", 507 "util.h", 508 "ufs/ufs/quota.h", 509 "pthread_np.h", 510 "sys/syscall.h", 511 "sys/shm.h", 512 "sys/param.h", 513 } 514 515 cfg.skip_struct(move |ty| { 516 match ty { 517 // FIXME: actually a union 518 "sigval" => true, 519 520 _ => false, 521 } 522 }); 523 524 cfg.skip_const(move |name| { 525 match name { 526 // Removed in OpenBSD 6.0 527 "KERN_USERMOUNT" | "KERN_ARND" => true, 528 // Removed in OpenBSD 7.2 529 "KERN_NSELCOLL" => true, 530 // Good chance it's going to be wrong depending on the host release 531 "KERN_MAXID" | "NET_RT_MAXID" => true, 532 "EV_SYSFLAGS" => true, 533 _ => false, 534 } 535 }); 536 537 cfg.skip_fn(move |name| { 538 match name { 539 // FIXME: https://github.com/rust-lang/libc/issues/1272 540 "execv" | "execve" | "execvp" | "execvpe" => true, 541 542 // Removed in OpenBSD 6.5 543 // https://marc.info/?l=openbsd-cvs&m=154723400730318 544 "mincore" => true, 545 546 // futex() has volatile arguments, but that doesn't exist in Rust. 547 "futex" => true, 548 549 // Available for openBSD 7.3 550 "mimmutable" => true, 551 552 _ => false, 553 } 554 }); 555 556 cfg.type_name(move |ty, is_struct, is_union| { 557 match ty { 558 // Just pass all these through, no need for a "struct" prefix 559 "FILE" | "DIR" | "Dl_info" | "Elf32_Phdr" | "Elf64_Phdr" => ty.to_string(), 560 561 // OSX calls this something else 562 "sighandler_t" => "sig_t".to_string(), 563 564 t if is_union => format!("union {}", t), 565 t if t.ends_with("_t") => t.to_string(), 566 t if is_struct => format!("struct {}", t), 567 t => t.to_string(), 568 } 569 }); 570 571 cfg.field_name(move |struct_, field| match field { 572 "st_birthtime" if struct_.starts_with("stat") => "__st_birthtime".to_string(), 573 "st_birthtime_nsec" if struct_.starts_with("stat") => "__st_birthtimensec".to_string(), 574 s if s.ends_with("_nsec") && struct_.starts_with("stat") => s.replace("e_nsec", ".tv_nsec"), 575 "sa_sigaction" if struct_ == "sigaction" => "sa_handler".to_string(), 576 s => s.to_string(), 577 }); 578 579 cfg.skip_field_type(move |struct_, field| { 580 // type siginfo_t.si_addr changed from OpenBSD 6.0 to 6.1 581 struct_ == "siginfo_t" && field == "si_addr" 582 }); 583 584 cfg.skip_field(|struct_, field| { 585 match (struct_, field) { 586 // conflicting with `p_type` macro from <resolve.h>. 587 ("Elf32_Phdr", "p_type") => true, 588 ("Elf64_Phdr", "p_type") => true, 589 _ => false, 590 } 591 }); 592 593 cfg.generate("../src/lib.rs", "main.rs"); 594 } 595 596 fn test_windows(target: &str) { 597 assert!(target.contains("windows")); 598 let gnu = target.contains("gnu"); 599 600 let mut cfg = ctest_cfg(); 601 if target.contains("msvc") { 602 cfg.flag("/wd4324"); 603 } 604 cfg.define("_WIN32_WINNT", Some("0x8000")); 605 606 headers! { cfg: 607 "direct.h", 608 "errno.h", 609 "fcntl.h", 610 "io.h", 611 "limits.h", 612 "locale.h", 613 "process.h", 614 "signal.h", 615 "stddef.h", 616 "stdint.h", 617 "stdio.h", 618 "stdlib.h", 619 "sys/stat.h", 620 "sys/types.h", 621 "sys/utime.h", 622 "time.h", 623 "wchar.h", 624 [gnu]: "ws2tcpip.h", 625 [!gnu]: "Winsock2.h", 626 } 627 628 cfg.type_name(move |ty, is_struct, is_union| { 629 match ty { 630 // Just pass all these through, no need for a "struct" prefix 631 "FILE" | "DIR" | "Dl_info" => ty.to_string(), 632 633 // FIXME: these don't exist: 634 "time64_t" => "__time64_t".to_string(), 635 "ssize_t" => "SSIZE_T".to_string(), 636 637 "sighandler_t" if !gnu => "_crt_signal_t".to_string(), 638 "sighandler_t" if gnu => "__p_sig_fn_t".to_string(), 639 640 t if is_union => format!("union {}", t), 641 t if t.ends_with("_t") => t.to_string(), 642 643 // Windows uppercase structs don't have `struct` in front: 644 t if is_struct => { 645 if ty.chars().next().unwrap().is_uppercase() { 646 t.to_string() 647 } else if t == "stat" { 648 "struct __stat64".to_string() 649 } else if t == "utimbuf" { 650 "struct __utimbuf64".to_string() 651 } else { 652 // put `struct` in front of all structs: 653 format!("struct {}", t) 654 } 655 } 656 t => t.to_string(), 657 } 658 }); 659 660 cfg.fn_cname(move |name, cname| cname.unwrap_or(name).to_string()); 661 662 cfg.skip_type(move |name| match name { 663 "SSIZE_T" if !gnu => true, 664 "ssize_t" if !gnu => true, 665 _ => false, 666 }); 667 668 cfg.skip_struct(move |ty| { 669 if ty.starts_with("__c_anonymous_") { 670 return true; 671 } 672 return false; 673 }); 674 675 cfg.skip_const(move |name| { 676 match name { 677 // FIXME: API error: 678 // SIG_ERR type is "void (*)(int)", not "int" 679 "SIG_ERR" | 680 // Similar for SIG_DFL/IGN/GET/SGE/ACK 681 "SIG_DFL" | "SIG_IGN" | "SIG_GET" | "SIG_SGE" | "SIG_ACK" => true, 682 // FIXME: newer windows-gnu environment on CI? 683 "_O_OBTAIN_DIR" if gnu => true, 684 _ => false, 685 } 686 }); 687 688 cfg.skip_field(move |s, field| match s { 689 "CONTEXT" if field == "Fp" => true, 690 _ => false, 691 }); 692 // FIXME: All functions point to the wrong addresses? 693 cfg.skip_fn_ptrcheck(|_| true); 694 695 cfg.skip_signededness(move |c| { 696 match c { 697 // windows-isms 698 n if n.starts_with("P") => true, 699 n if n.starts_with("H") => true, 700 n if n.starts_with("LP") => true, 701 "sighandler_t" if gnu => true, 702 _ => false, 703 } 704 }); 705 706 cfg.skip_fn(move |name| { 707 match name { 708 // FIXME: https://github.com/rust-lang/libc/issues/1272 709 "execv" | "execve" | "execvp" | "execvpe" => true, 710 711 _ => false, 712 } 713 }); 714 715 cfg.generate("../src/lib.rs", "main.rs"); 716 } 717 718 fn test_redox(target: &str) { 719 assert!(target.contains("redox")); 720 721 let mut cfg = ctest_cfg(); 722 cfg.flag("-Wno-deprecated-declarations"); 723 724 headers! { 725 cfg: 726 "ctype.h", 727 "dirent.h", 728 "dlfcn.h", 729 "errno.h", 730 "fcntl.h", 731 "grp.h", 732 "limits.h", 733 "locale.h", 734 "netdb.h", 735 "netinet/in.h", 736 "netinet/ip.h", 737 "netinet/tcp.h", 738 "poll.h", 739 "pwd.h", 740 "semaphore.h", 741 "string.h", 742 "strings.h", 743 "sys/file.h", 744 "sys/ioctl.h", 745 "sys/mman.h", 746 "sys/ptrace.h", 747 "sys/resource.h", 748 "sys/socket.h", 749 "sys/stat.h", 750 "sys/statvfs.h", 751 "sys/time.h", 752 "sys/types.h", 753 "sys/uio.h", 754 "sys/un.h", 755 "sys/utsname.h", 756 "sys/wait.h", 757 "termios.h", 758 "time.h", 759 "unistd.h", 760 "utime.h", 761 "wchar.h", 762 } 763 764 cfg.generate("../src/lib.rs", "main.rs"); 765 } 766 767 fn test_solarish(target: &str) { 768 let is_solaris = target.contains("solaris"); 769 let is_illumos = target.contains("illumos"); 770 assert!(is_solaris || is_illumos); 771 772 // ctest generates arguments supported only by clang, so make sure to run with CC=clang. 773 // While debugging, "CFLAGS=-ferror-limit=<large num>" is useful to get more error output. 774 let mut cfg = ctest_cfg(); 775 cfg.flag("-Wno-deprecated-declarations"); 776 777 cfg.define("_XOPEN_SOURCE", Some("700")); 778 cfg.define("__EXTENSIONS__", None); 779 cfg.define("_LCONV_C99", None); 780 781 headers! { 782 cfg: 783 "ctype.h", 784 "dirent.h", 785 "dlfcn.h", 786 "door.h", 787 "errno.h", 788 "execinfo.h", 789 "fcntl.h", 790 "getopt.h", 791 "glob.h", 792 "grp.h", 793 "ifaddrs.h", 794 "langinfo.h", 795 "limits.h", 796 "link.h", 797 "locale.h", 798 "mqueue.h", 799 "net/if.h", 800 "net/if_arp.h", 801 "net/route.h", 802 "netdb.h", 803 "netinet/in.h", 804 "netinet/ip.h", 805 "netinet/tcp.h", 806 "netinet/udp.h", 807 "poll.h", 808 "port.h", 809 "pthread.h", 810 "pwd.h", 811 "resolv.h", 812 "sched.h", 813 "semaphore.h", 814 "signal.h", 815 "stddef.h", 816 "stdint.h", 817 "stdio.h", 818 "stdlib.h", 819 "string.h", 820 "sys/auxv.h", 821 "sys/epoll.h", 822 "sys/eventfd.h", 823 "sys/file.h", 824 "sys/filio.h", 825 "sys/ioctl.h", 826 "sys/lgrp_user.h", 827 "sys/loadavg.h", 828 "sys/mkdev.h", 829 "sys/mman.h", 830 "sys/mount.h", 831 "sys/priv.h", 832 "sys/pset.h", 833 "sys/random.h", 834 "sys/resource.h", 835 "sys/sendfile.h", 836 "sys/socket.h", 837 "sys/stat.h", 838 "sys/statvfs.h", 839 "sys/stropts.h", 840 "sys/shm.h", 841 "sys/systeminfo.h", 842 "sys/time.h", 843 "sys/times.h", 844 "sys/timex.h", 845 "sys/types.h", 846 "sys/uio.h", 847 "sys/un.h", 848 "sys/utsname.h", 849 "sys/wait.h", 850 "syslog.h", 851 "termios.h", 852 "thread.h", 853 "time.h", 854 "priv.h", 855 "ucontext.h", 856 "unistd.h", 857 "utime.h", 858 "utmpx.h", 859 "wchar.h", 860 } 861 862 cfg.skip_type(move |ty| match ty { 863 "sighandler_t" => true, 864 _ => false, 865 }); 866 867 cfg.type_name(move |ty, is_struct, is_union| match ty { 868 "FILE" => "__FILE".to_string(), 869 "DIR" | "Dl_info" => ty.to_string(), 870 t if t.ends_with("_t") => t.to_string(), 871 t if is_struct => format!("struct {}", t), 872 t if is_union => format!("union {}", t), 873 t => t.to_string(), 874 }); 875 876 cfg.field_name(move |struct_, field| { 877 match struct_ { 878 // rust struct uses raw u64, rather than union 879 "epoll_event" if field == "u64" => "data.u64".to_string(), 880 // rust struct was committed with typo for Solaris 881 "door_arg_t" if field == "dec_num" => "desc_num".to_string(), 882 "stat" if field.ends_with("_nsec") => { 883 // expose stat.Xtim.tv_nsec fields 884 field.trim_end_matches("e_nsec").to_string() + ".tv_nsec" 885 } 886 _ => field.to_string(), 887 } 888 }); 889 890 cfg.skip_const(move |name| match name { 891 "DT_FIFO" | "DT_CHR" | "DT_DIR" | "DT_BLK" | "DT_REG" | "DT_LNK" | "DT_SOCK" 892 | "USRQUOTA" | "GRPQUOTA" | "PRIO_MIN" | "PRIO_MAX" => true, 893 894 // skip sighandler_t assignments 895 "SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, 896 897 "DT_UNKNOWN" => true, 898 899 "_UTX_LINESIZE" | "_UTX_USERSIZE" | "_UTX_PADSIZE" | "_UTX_IDSIZE" | "_UTX_HOSTSIZE" => { 900 true 901 } 902 903 "EADI" | "EXTPROC" | "IPC_SEAT" => true, 904 905 // This evaluates to a sysconf() call rather than a constant 906 "PTHREAD_STACK_MIN" => true, 907 908 // EPOLLEXCLUSIVE is a relatively recent addition to the epoll interface and may not be 909 // defined on older systems. It is, however, safe to use on systems which do not 910 // explicitly support it. (A no-op is an acceptable implementation of EPOLLEXCLUSIVE.) 911 "EPOLLEXCLUSIVE" => true, 912 913 _ => false, 914 }); 915 916 cfg.skip_struct(move |ty| { 917 if ty.starts_with("__c_anonymous_") { 918 return true; 919 } 920 // the union handling is a mess 921 if ty.contains("door_desc_t_") { 922 return true; 923 } 924 match ty { 925 // union, not a struct 926 "sigval" => true, 927 // a bunch of solaris-only fields 928 "utmpx" if is_illumos => true, 929 _ => false, 930 } 931 }); 932 933 cfg.skip_field(move |s, field| { 934 match s { 935 // C99 sizing on this is tough 936 "dirent" if field == "d_name" => true, 937 // the union/macro makes this rough 938 "sigaction" if field == "sa_sigaction" => true, 939 // Missing in illumos 940 "sigevent" if field == "ss_sp" => true, 941 // Avoid sigval union issues 942 "sigevent" if field == "sigev_value" => true, 943 // const issues 944 "sigevent" if field == "sigev_notify_attributes" => true, 945 946 // Avoid const and union issues 947 "door_arg" if field == "desc_ptr" => true, 948 "door_desc_t" if field == "d_data" => true, 949 "door_arg_t" if field.ends_with("_ptr") => true, 950 "door_arg_t" if field.ends_with("rbuf") => true, 951 952 // anonymous union challenges 953 "fpregset_t" if field == "fp_reg_set" => true, 954 955 // The LX brand (integrated into some illumos distros) commandeered several of the 956 // `uc_filler` fields to use for brand-specific state. 957 "ucontext_t" if is_illumos && (field == "uc_filler" || field == "uc_brand_data") => { 958 true 959 } 960 961 _ => false, 962 } 963 }); 964 965 cfg.skip_fn(move |name| { 966 // skip those that are manually verified 967 match name { 968 // const-ness only added recently 969 "dladdr" => true, 970 971 // Definition of those functions as changed since unified headers 972 // from NDK r14b These changes imply some API breaking changes but 973 // are still ABI compatible. We can wait for the next major release 974 // to be compliant with the new API. 975 // 976 // FIXME: unskip these for next major release 977 "setpriority" | "personality" => true, 978 979 // signal is defined in terms of sighandler_t, so ignore 980 "signal" => true, 981 982 // Currently missing 983 "cfmakeraw" | "cfsetspeed" => true, 984 985 // const-ness issues 986 "execv" | "execve" | "execvp" | "settimeofday" | "sethostname" => true, 987 988 // Solaris-different 989 "getpwent_r" | "getgrent_r" | "updwtmpx" if is_illumos => true, 990 "madvise" | "mprotect" if is_illumos => true, 991 "door_call" | "door_return" | "door_create" if is_illumos => true, 992 993 // Not visible when build with _XOPEN_SOURCE=700 994 "mmapobj" | "mmap64" | "meminfo" | "getpagesizes" | "getpagesizes2" => true, 995 996 // These functions may return int or void depending on the exact 997 // configuration of the compilation environment, but the return 998 // value is not useful (always 0) so we can ignore it: 999 "setservent" | "endservent" if is_illumos => true, 1000 1001 _ => false, 1002 } 1003 }); 1004 1005 cfg.generate("../src/lib.rs", "main.rs"); 1006 } 1007 1008 fn test_netbsd(target: &str) { 1009 assert!(target.contains("netbsd")); 1010 let mut cfg = ctest_cfg(); 1011 1012 cfg.flag("-Wno-deprecated-declarations"); 1013 cfg.define("_NETBSD_SOURCE", Some("1")); 1014 1015 headers! { 1016 cfg: 1017 "elf.h", 1018 "errno.h", 1019 "fcntl.h", 1020 "getopt.h", 1021 "libgen.h", 1022 "limits.h", 1023 "link.h", 1024 "locale.h", 1025 "stddef.h", 1026 "stdint.h", 1027 "stdio.h", 1028 "stdlib.h", 1029 "sys/stat.h", 1030 "sys/types.h", 1031 "time.h", 1032 "wchar.h", 1033 "aio.h", 1034 "ctype.h", 1035 "dirent.h", 1036 "dlfcn.h", 1037 "glob.h", 1038 "grp.h", 1039 "ifaddrs.h", 1040 "langinfo.h", 1041 "net/bpf.h", 1042 "net/if.h", 1043 "net/if_arp.h", 1044 "net/if_dl.h", 1045 "net/route.h", 1046 "netdb.h", 1047 "netinet/in.h", 1048 "netinet/ip.h", 1049 "netinet/tcp.h", 1050 "netinet/udp.h", 1051 "poll.h", 1052 "pthread.h", 1053 "pwd.h", 1054 "regex.h", 1055 "resolv.h", 1056 "sched.h", 1057 "semaphore.h", 1058 "signal.h", 1059 "string.h", 1060 "sys/endian.h", 1061 "sys/exec_elf.h", 1062 "sys/xattr.h", 1063 "sys/extattr.h", 1064 "sys/file.h", 1065 "sys/ioctl.h", 1066 "sys/ioctl_compat.h", 1067 "sys/ipc.h", 1068 "sys/ktrace.h", 1069 "sys/mman.h", 1070 "sys/mount.h", 1071 "sys/ptrace.h", 1072 "sys/resource.h", 1073 "sys/shm.h", 1074 "sys/socket.h", 1075 "sys/statvfs.h", 1076 "sys/sysctl.h", 1077 "sys/time.h", 1078 "sys/times.h", 1079 "sys/timex.h", 1080 "sys/ucontext.h", 1081 "sys/ucred.h", 1082 "sys/uio.h", 1083 "sys/un.h", 1084 "sys/utsname.h", 1085 "sys/wait.h", 1086 "syslog.h", 1087 "termios.h", 1088 "ufs/ufs/quota.h", 1089 "ufs/ufs/quota1.h", 1090 "unistd.h", 1091 "util.h", 1092 "utime.h", 1093 "mqueue.h", 1094 "netinet/dccp.h", 1095 "sys/event.h", 1096 "sys/quota.h", 1097 "sys/shm.h", 1098 "iconv.h", 1099 } 1100 1101 cfg.type_name(move |ty, is_struct, is_union| { 1102 match ty { 1103 // Just pass all these through, no need for a "struct" prefix 1104 "FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr" | "Elf64_Phdr" | "Elf32_Shdr" 1105 | "Elf64_Shdr" | "Elf32_Sym" | "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr" 1106 | "Elf32_Chdr" | "Elf64_Chdr" => ty.to_string(), 1107 1108 // OSX calls this something else 1109 "sighandler_t" => "sig_t".to_string(), 1110 1111 t if is_union => format!("union {}", t), 1112 1113 t if t.ends_with("_t") => t.to_string(), 1114 1115 // put `struct` in front of all structs:. 1116 t if is_struct => format!("struct {}", t), 1117 1118 t => t.to_string(), 1119 } 1120 }); 1121 1122 cfg.field_name(move |struct_, field| { 1123 match field { 1124 // Our stat *_nsec fields normally don't actually exist but are part 1125 // of a timeval struct 1126 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 1127 s.replace("e_nsec", ".tv_nsec") 1128 } 1129 "u64" if struct_ == "epoll_event" => "data.u64".to_string(), 1130 s => s.to_string(), 1131 } 1132 }); 1133 1134 cfg.skip_type(move |ty| { 1135 if ty.starts_with("__c_anonymous_") { 1136 return true; 1137 } 1138 match ty { 1139 // FIXME: sighandler_t is crazy across platforms 1140 "sighandler_t" => true, 1141 _ => false, 1142 } 1143 }); 1144 1145 cfg.skip_struct(move |ty| { 1146 match ty { 1147 // This is actually a union, not a struct 1148 "sigval" => true, 1149 // These are tested as part of the linux_fcntl tests since there are 1150 // header conflicts when including them with all the other structs. 1151 "termios2" => true, 1152 _ => false, 1153 } 1154 }); 1155 1156 cfg.skip_signededness(move |c| { 1157 match c { 1158 "LARGE_INTEGER" | "float" | "double" => true, 1159 n if n.starts_with("pthread") => true, 1160 // sem_t is a struct or pointer 1161 "sem_t" => true, 1162 _ => false, 1163 } 1164 }); 1165 1166 cfg.skip_const(move |name| { 1167 match name { 1168 "SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, // sighandler_t weirdness 1169 "SIGUNUSED" => true, // removed in glibc 2.26 1170 1171 // weird signed extension or something like that? 1172 "MS_NOUSER" => true, 1173 "MS_RMT_MASK" => true, // updated in glibc 2.22 and musl 1.1.13 1174 "BOTHER" => true, 1175 "GRND_RANDOM" | "GRND_INSECURE" | "GRND_NONBLOCK" => true, // netbsd 10 minimum 1176 1177 _ => false, 1178 } 1179 }); 1180 1181 cfg.skip_fn(move |name| { 1182 match name { 1183 // FIXME: https://github.com/rust-lang/libc/issues/1272 1184 "execv" | "execve" | "execvp" => true, 1185 // FIXME: netbsd 10 minimum 1186 "getentropy" | "getrandom" => true, 1187 1188 "getrlimit" | "getrlimit64" | // non-int in 1st arg 1189 "setrlimit" | "setrlimit64" | // non-int in 1st arg 1190 "prlimit" | "prlimit64" | // non-int in 2nd arg 1191 1192 _ => false, 1193 } 1194 }); 1195 1196 cfg.skip_field_type(move |struct_, field| { 1197 // This is a weird union, don't check the type. 1198 (struct_ == "ifaddrs" && field == "ifa_ifu") || 1199 // sighandler_t type is super weird 1200 (struct_ == "sigaction" && field == "sa_sigaction") || 1201 // sigval is actually a union, but we pretend it's a struct 1202 (struct_ == "sigevent" && field == "sigev_value") || 1203 // aio_buf is "volatile void*" and Rust doesn't understand volatile 1204 (struct_ == "aiocb" && field == "aio_buf") 1205 }); 1206 1207 cfg.skip_field(|struct_, field| { 1208 match (struct_, field) { 1209 // conflicting with `p_type` macro from <resolve.h>. 1210 ("Elf32_Phdr", "p_type") => true, 1211 ("Elf64_Phdr", "p_type") => true, 1212 // pthread_spin_t is a volatile uchar 1213 ("pthread_spinlock_t", "pts_spin") => true, 1214 _ => false, 1215 } 1216 }); 1217 1218 cfg.generate("../src/lib.rs", "main.rs"); 1219 } 1220 1221 fn test_dragonflybsd(target: &str) { 1222 assert!(target.contains("dragonfly")); 1223 let mut cfg = ctest_cfg(); 1224 cfg.flag("-Wno-deprecated-declarations"); 1225 1226 headers! { 1227 cfg: 1228 "aio.h", 1229 "ctype.h", 1230 "dirent.h", 1231 "dlfcn.h", 1232 "errno.h", 1233 "execinfo.h", 1234 "fcntl.h", 1235 "getopt.h", 1236 "glob.h", 1237 "grp.h", 1238 "ifaddrs.h", 1239 "kenv.h", 1240 "kvm.h", 1241 "langinfo.h", 1242 "libgen.h", 1243 "limits.h", 1244 "link.h", 1245 "locale.h", 1246 "mqueue.h", 1247 "net/bpf.h", 1248 "net/if.h", 1249 "net/if_arp.h", 1250 "net/if_dl.h", 1251 "net/route.h", 1252 "netdb.h", 1253 "netinet/in.h", 1254 "netinet/ip.h", 1255 "netinet/tcp.h", 1256 "netinet/udp.h", 1257 "poll.h", 1258 "pthread.h", 1259 "pthread_np.h", 1260 "pwd.h", 1261 "regex.h", 1262 "resolv.h", 1263 "sched.h", 1264 "semaphore.h", 1265 "signal.h", 1266 "stddef.h", 1267 "stdint.h", 1268 "stdio.h", 1269 "stdlib.h", 1270 "string.h", 1271 "sys/event.h", 1272 "sys/file.h", 1273 "sys/ioctl.h", 1274 "sys/cpuctl.h", 1275 "sys/eui64.h", 1276 "sys/ipc.h", 1277 "sys/kinfo.h", 1278 "sys/ktrace.h", 1279 "sys/malloc.h", 1280 "sys/mman.h", 1281 "sys/mount.h", 1282 "sys/procctl.h", 1283 "sys/ptrace.h", 1284 "sys/reboot.h", 1285 "sys/resource.h", 1286 "sys/rtprio.h", 1287 "sys/sched.h", 1288 "sys/shm.h", 1289 "sys/socket.h", 1290 "sys/stat.h", 1291 "sys/statvfs.h", 1292 "sys/sysctl.h", 1293 "sys/time.h", 1294 "sys/times.h", 1295 "sys/timex.h", 1296 "sys/types.h", 1297 "sys/checkpoint.h", 1298 "sys/uio.h", 1299 "sys/un.h", 1300 "sys/utsname.h", 1301 "sys/wait.h", 1302 "syslog.h", 1303 "termios.h", 1304 "time.h", 1305 "ucontext.h", 1306 "unistd.h", 1307 "util.h", 1308 "utime.h", 1309 "utmpx.h", 1310 "vfs/ufs/quota.h", 1311 "vm/vm_map.h", 1312 "wchar.h", 1313 "iconv.h", 1314 } 1315 1316 cfg.type_name(move |ty, is_struct, is_union| { 1317 match ty { 1318 // Just pass all these through, no need for a "struct" prefix 1319 "FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr" | "Elf64_Phdr" | "Elf32_Shdr" 1320 | "Elf64_Shdr" | "Elf32_Sym" | "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr" 1321 | "Elf32_Chdr" | "Elf64_Chdr" => ty.to_string(), 1322 1323 // FIXME: OSX calls this something else 1324 "sighandler_t" => "sig_t".to_string(), 1325 1326 t if is_union => format!("union {}", t), 1327 1328 t if t.ends_with("_t") => t.to_string(), 1329 1330 // sigval is a struct in Rust, but a union in C: 1331 "sigval" => format!("union sigval"), 1332 1333 // put `struct` in front of all structs:. 1334 t if is_struct => format!("struct {}", t), 1335 1336 t => t.to_string(), 1337 } 1338 }); 1339 1340 cfg.field_name(move |struct_, field| { 1341 match field { 1342 // Our stat *_nsec fields normally don't actually exist but are part 1343 // of a timeval struct 1344 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 1345 s.replace("e_nsec", ".tv_nsec") 1346 } 1347 "u64" if struct_ == "epoll_event" => "data.u64".to_string(), 1348 // Field is named `type` in C but that is a Rust keyword, 1349 // so these fields are translated to `type_` in the bindings. 1350 "type_" if struct_ == "rtprio" => "type".to_string(), 1351 s => s.to_string(), 1352 } 1353 }); 1354 1355 cfg.skip_type(move |ty| { 1356 match ty { 1357 // sighandler_t is crazy across platforms 1358 "sighandler_t" => true, 1359 1360 _ => false, 1361 } 1362 }); 1363 1364 cfg.skip_struct(move |ty| { 1365 if ty.starts_with("__c_anonymous_") { 1366 return true; 1367 } 1368 match ty { 1369 // FIXME: These are tested as part of the linux_fcntl tests since 1370 // there are header conflicts when including them with all the other 1371 // structs. 1372 "termios2" => true, 1373 1374 _ => false, 1375 } 1376 }); 1377 1378 cfg.skip_signededness(move |c| { 1379 match c { 1380 "LARGE_INTEGER" | "float" | "double" => true, 1381 // uuid_t is a struct, not an integer. 1382 "uuid_t" => true, 1383 n if n.starts_with("pthread") => true, 1384 // sem_t is a struct or pointer 1385 "sem_t" => true, 1386 // mqd_t is a pointer on DragonFly 1387 "mqd_t" => true, 1388 1389 _ => false, 1390 } 1391 }); 1392 1393 cfg.skip_const(move |name| { 1394 match name { 1395 "SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, // sighandler_t weirdness 1396 1397 // weird signed extension or something like that? 1398 "MS_NOUSER" => true, 1399 "MS_RMT_MASK" => true, // updated in glibc 2.22 and musl 1.1.13 1400 1401 // These are defined for Solaris 11, but the crate is tested on 1402 // illumos, where they are currently not defined 1403 "EADI" | "PORT_SOURCE_POSTWAIT" | "PORT_SOURCE_SIGNAL" | "PTHREAD_STACK_MIN" => true, 1404 1405 _ => false, 1406 } 1407 }); 1408 1409 cfg.skip_fn(move |name| { 1410 // skip those that are manually verified 1411 match name { 1412 // FIXME: https://github.com/rust-lang/libc/issues/1272 1413 "execv" | "execve" | "execvp" | "fexecve" => true, 1414 1415 "getrlimit" | "getrlimit64" | // non-int in 1st arg 1416 "setrlimit" | "setrlimit64" | // non-int in 1st arg 1417 "prlimit" | "prlimit64" // non-int in 2nd arg 1418 => true, 1419 1420 _ => false, 1421 } 1422 }); 1423 1424 cfg.skip_field_type(move |struct_, field| { 1425 // This is a weird union, don't check the type. 1426 (struct_ == "ifaddrs" && field == "ifa_ifu") || 1427 // sighandler_t type is super weird 1428 (struct_ == "sigaction" && field == "sa_sigaction") || 1429 // sigval is actually a union, but we pretend it's a struct 1430 (struct_ == "sigevent" && field == "sigev_value") || 1431 // aio_buf is "volatile void*" and Rust doesn't understand volatile 1432 (struct_ == "aiocb" && field == "aio_buf") 1433 }); 1434 1435 cfg.skip_field(move |struct_, field| { 1436 // this is actually a union on linux, so we can't represent it well and 1437 // just insert some padding. 1438 (struct_ == "siginfo_t" && field == "_pad") || 1439 // sigev_notify_thread_id is actually part of a sigev_un union 1440 (struct_ == "sigevent" && field == "sigev_notify_thread_id") 1441 }); 1442 1443 cfg.generate("../src/lib.rs", "main.rs"); 1444 } 1445 1446 fn test_wasi(target: &str) { 1447 assert!(target.contains("wasi")); 1448 1449 let mut cfg = ctest_cfg(); 1450 cfg.define("_GNU_SOURCE", None); 1451 1452 headers! { cfg: 1453 "ctype.h", 1454 "dirent.h", 1455 "errno.h", 1456 "fcntl.h", 1457 "limits.h", 1458 "locale.h", 1459 "malloc.h", 1460 "poll.h", 1461 "sched.h", 1462 "stdbool.h", 1463 "stddef.h", 1464 "stdint.h", 1465 "stdio.h", 1466 "stdlib.h", 1467 "string.h", 1468 "sys/resource.h", 1469 "sys/select.h", 1470 "sys/socket.h", 1471 "sys/stat.h", 1472 "sys/times.h", 1473 "sys/types.h", 1474 "sys/uio.h", 1475 "sys/utsname.h", 1476 "sys/ioctl.h", 1477 "time.h", 1478 "unistd.h", 1479 "wasi/api.h", 1480 "wasi/libc.h", 1481 "wasi/libc-find-relpath.h", 1482 "wasi/libc-nocwd.h", 1483 "wchar.h", 1484 } 1485 1486 cfg.type_name(move |ty, is_struct, is_union| match ty { 1487 "FILE" | "fd_set" | "DIR" => ty.to_string(), 1488 t if is_union => format!("union {}", t), 1489 t if t.starts_with("__wasi") && t.ends_with("_u") => format!("union {}", t), 1490 t if t.starts_with("__wasi") && is_struct => format!("struct {}", t), 1491 t if t.ends_with("_t") => t.to_string(), 1492 t if is_struct => format!("struct {}", t), 1493 t => t.to_string(), 1494 }); 1495 1496 cfg.field_name(move |_struct, field| { 1497 match field { 1498 // deal with fields as rust keywords 1499 "type_" => "type".to_string(), 1500 s => s.to_string(), 1501 } 1502 }); 1503 1504 // Looks like LLD doesn't merge duplicate imports, so if the Rust 1505 // code imports from a module and the C code also imports from a 1506 // module we end up with two imports of function pointers which 1507 // import the same thing but have different function pointers 1508 cfg.skip_fn_ptrcheck(|f| f.starts_with("__wasi")); 1509 1510 // d_name is declared as a flexible array in WASI libc, so it 1511 // doesn't support sizeof. 1512 cfg.skip_field(|s, field| s == "dirent" && field == "d_name"); 1513 1514 // Currently Rust/clang disagree on function argument ABI, so skip these 1515 // tests. For more info see WebAssembly/tool-conventions#88 1516 cfg.skip_roundtrip(|_| true); 1517 1518 cfg.generate("../src/lib.rs", "main.rs"); 1519 } 1520 1521 fn test_android(target: &str) { 1522 assert!(target.contains("android")); 1523 let target_pointer_width = match target { 1524 t if t.contains("aarch64") || t.contains("x86_64") => 64, 1525 t if t.contains("i686") || t.contains("arm") => 32, 1526 t => panic!("unsupported target: {}", t), 1527 }; 1528 let x86 = target.contains("i686") || target.contains("x86_64"); 1529 1530 let mut cfg = ctest_cfg(); 1531 cfg.define("_GNU_SOURCE", None); 1532 1533 headers! { cfg: 1534 "arpa/inet.h", 1535 "ctype.h", 1536 "dirent.h", 1537 "dlfcn.h", 1538 "elf.h", 1539 "errno.h", 1540 "fcntl.h", 1541 "getopt.h", 1542 "grp.h", 1543 "ifaddrs.h", 1544 "libgen.h", 1545 "limits.h", 1546 "link.h", 1547 "locale.h", 1548 "malloc.h", 1549 "net/ethernet.h", 1550 "net/if.h", 1551 "net/if_arp.h", 1552 "net/route.h", 1553 "netdb.h", 1554 "netinet/in.h", 1555 "netinet/ip.h", 1556 "netinet/tcp.h", 1557 "netinet/udp.h", 1558 "netpacket/packet.h", 1559 "poll.h", 1560 "pthread.h", 1561 "pty.h", 1562 "pwd.h", 1563 "regex.h", 1564 "resolv.h", 1565 "sched.h", 1566 "semaphore.h", 1567 "signal.h", 1568 "stddef.h", 1569 "stdint.h", 1570 "stdio.h", 1571 "stdlib.h", 1572 "string.h", 1573 "sys/auxv.h", 1574 "sys/epoll.h", 1575 "sys/eventfd.h", 1576 "sys/file.h", 1577 "sys/fsuid.h", 1578 "sys/inotify.h", 1579 "sys/ioctl.h", 1580 "sys/mman.h", 1581 "sys/mount.h", 1582 "sys/personality.h", 1583 "sys/prctl.h", 1584 "sys/ptrace.h", 1585 "sys/random.h", 1586 "sys/reboot.h", 1587 "sys/resource.h", 1588 "sys/sendfile.h", 1589 "sys/signalfd.h", 1590 "sys/socket.h", 1591 "sys/stat.h", 1592 "sys/statvfs.h", 1593 "sys/swap.h", 1594 "sys/syscall.h", 1595 "sys/sysinfo.h", 1596 "sys/system_properties.h", 1597 "sys/time.h", 1598 "sys/timerfd.h", 1599 "sys/times.h", 1600 "sys/types.h", 1601 "sys/ucontext.h", 1602 "sys/uio.h", 1603 "sys/un.h", 1604 "sys/user.h", 1605 "sys/utsname.h", 1606 "sys/vfs.h", 1607 "sys/xattr.h", 1608 "sys/wait.h", 1609 "syslog.h", 1610 "termios.h", 1611 "time.h", 1612 "unistd.h", 1613 "utime.h", 1614 "utmp.h", 1615 "wchar.h", 1616 "xlocale.h", 1617 // time64_t is not defined for 64-bit targets If included it will 1618 // generate the error 'Your time_t is already 64-bit' 1619 [target_pointer_width == 32]: "time64.h", 1620 [x86]: "sys/reg.h", 1621 } 1622 1623 // Include linux headers at the end: 1624 headers! { cfg: 1625 "asm/mman.h", 1626 "linux/auxvec.h", 1627 "linux/dccp.h", 1628 "linux/elf.h", 1629 "linux/errqueue.h", 1630 "linux/falloc.h", 1631 "linux/filter.h", 1632 "linux/futex.h", 1633 "linux/fs.h", 1634 "linux/genetlink.h", 1635 "linux/if_alg.h", 1636 "linux/if_addr.h", 1637 "linux/if_ether.h", 1638 "linux/if_link.h", 1639 "linux/rtnetlink.h", 1640 "linux/if_tun.h", 1641 "linux/kexec.h", 1642 "linux/magic.h", 1643 "linux/membarrier.h", 1644 "linux/memfd.h", 1645 "linux/mempolicy.h", 1646 "linux/module.h", 1647 "linux/mount.h", 1648 "linux/net_tstamp.h", 1649 "linux/netfilter/nfnetlink.h", 1650 "linux/netfilter/nfnetlink_log.h", 1651 "linux/netfilter/nfnetlink_queue.h", 1652 "linux/netfilter/nf_tables.h", 1653 "linux/netfilter_ipv4.h", 1654 "linux/netfilter_ipv6.h", 1655 "linux/netfilter_ipv6/ip6_tables.h", 1656 "linux/netlink.h", 1657 "linux/quota.h", 1658 "linux/reboot.h", 1659 "linux/seccomp.h", 1660 "linux/sched.h", 1661 "linux/sockios.h", 1662 "linux/uinput.h", 1663 "linux/vm_sockets.h", 1664 "linux/wait.h", 1665 1666 } 1667 1668 // Include Android-specific headers: 1669 headers! { cfg: 1670 "android/set_abort_message.h" 1671 } 1672 1673 cfg.type_name(move |ty, is_struct, is_union| { 1674 match ty { 1675 // Just pass all these through, no need for a "struct" prefix 1676 "FILE" | "fd_set" | "Dl_info" | "Elf32_Phdr" | "Elf64_Phdr" => ty.to_string(), 1677 1678 t if is_union => format!("union {}", t), 1679 1680 t if t.ends_with("_t") => t.to_string(), 1681 1682 // sigval is a struct in Rust, but a union in C: 1683 "sigval" => format!("union sigval"), 1684 1685 // put `struct` in front of all structs:. 1686 t if is_struct => format!("struct {}", t), 1687 1688 t => t.to_string(), 1689 } 1690 }); 1691 1692 cfg.field_name(move |struct_, field| { 1693 match field { 1694 // Our stat *_nsec fields normally don't actually exist but are part 1695 // of a timeval struct 1696 s if s.ends_with("_nsec") && struct_.starts_with("stat") => s.to_string(), 1697 // FIXME: appears that `epoll_event.data` is an union 1698 "u64" if struct_ == "epoll_event" => "data.u64".to_string(), 1699 // The following structs have a field called `type` in C, 1700 // but `type` is a Rust keyword, so these fields are translated 1701 // to `type_` in Rust. 1702 "type_" 1703 if struct_ == "input_event" 1704 || struct_ == "input_mask" 1705 || struct_ == "ff_effect" => 1706 { 1707 "type".to_string() 1708 } 1709 1710 s => s.to_string(), 1711 } 1712 }); 1713 1714 cfg.skip_type(move |ty| { 1715 match ty { 1716 // FIXME: `sighandler_t` type is incorrect, see: 1717 // https://github.com/rust-lang/libc/issues/1359 1718 "sighandler_t" => true, 1719 1720 // These are tested in the `linux_elf.rs` file. 1721 "Elf64_Phdr" | "Elf32_Phdr" => true, 1722 _ => false, 1723 } 1724 }); 1725 1726 cfg.skip_struct(move |ty| { 1727 if ty.starts_with("__c_anonymous_") { 1728 return true; 1729 } 1730 match ty { 1731 // These are tested as part of the linux_fcntl tests since there are 1732 // header conflicts when including them with all the other structs. 1733 "termios2" => true, 1734 // uc_sigmask and uc_sigmask64 of ucontext_t are an anonymous union 1735 "ucontext_t" => true, 1736 // 'private' type 1737 "prop_info" => true, 1738 1739 // These are tested in the `linux_elf.rs` file. 1740 "Elf64_Phdr" | "Elf32_Phdr" => true, 1741 1742 _ => false, 1743 } 1744 }); 1745 1746 cfg.skip_const(move |name| { 1747 match name { 1748 // The IPV6 constants are tested in the `linux_ipv6.rs` tests: 1749 | "IPV6_FLOWINFO" 1750 | "IPV6_FLOWLABEL_MGR" 1751 | "IPV6_FLOWINFO_SEND" 1752 | "IPV6_FLOWINFO_FLOWLABEL" 1753 | "IPV6_FLOWINFO_PRIORITY" 1754 // The F_ fnctl constants are tested in the `linux_fnctl.rs` tests: 1755 | "F_CANCELLK" 1756 | "F_ADD_SEALS" 1757 | "F_GET_SEALS" 1758 | "F_SEAL_SEAL" 1759 | "F_SEAL_SHRINK" 1760 | "F_SEAL_GROW" 1761 | "F_SEAL_WRITE" => true, 1762 1763 // The `ARPHRD_CAN` is tested in the `linux_if_arp.rs` tests: 1764 "ARPHRD_CAN" => true, 1765 1766 // FIXME: deprecated: not available in any header 1767 // See: https://github.com/rust-lang/libc/issues/1356 1768 "ENOATTR" => true, 1769 1770 // FIXME: still necessary? 1771 "SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, // sighandler_t weirdness 1772 // FIXME: deprecated - removed in glibc 2.26 1773 "SIGUNUSED" => true, 1774 1775 // Needs a newer Android SDK for the definition 1776 "P_PIDFD" => true, 1777 1778 // Requires Linux kernel 5.6 1779 "VMADDR_CID_LOCAL" => true, 1780 1781 // FIXME: conflicts with standard C headers and is tested in 1782 // `linux_termios.rs` below: 1783 "BOTHER" => true, 1784 "IBSHIFT" => true, 1785 "TCGETS2" | "TCSETS2" | "TCSETSW2" | "TCSETSF2" => true, 1786 1787 // is a private value for kernel usage normally 1788 "FUSE_SUPER_MAGIC" => true, 1789 // linux 5.12 min 1790 "MPOL_F_NUMA_BALANCING" => true, 1791 1792 // GRND_INSECURE was added in platform-tools-30.0.0 1793 "GRND_INSECURE" => true, 1794 1795 // kernel 5.10 minimum required 1796 "MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ" | "MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ" => true, 1797 1798 // kernel 5.18 minimum 1799 | "MADV_COLD" 1800 | "MADV_DONTNEED_LOCKED" 1801 | "MADV_PAGEOUT" 1802 | "MADV_POPULATE_READ" 1803 | "MADV_POPULATE_WRITE" => true, 1804 1805 // kernel 5.6 minimum required 1806 "IPPROTO_MPTCP" | "IPPROTO_ETHERNET" => true, 1807 1808 // FIXME: NDK r22 minimum required 1809 | "FDB_NOTIFY_BIT" 1810 | "FDB_NOTIFY_INACTIVE_BIT" 1811 | "IFLA_ALT_IFNAME" 1812 | "IFLA_PERM_ADDRESS" 1813 | "IFLA_PROP_LIST" 1814 | "IFLA_PROTO_DOWN_REASON" 1815 | "NDA_FDB_EXT_ATTRS" 1816 | "NDA_NH_ID" 1817 | "NFEA_ACTIVITY_NOTIFY" 1818 | "NFEA_DONT_REFRESH" 1819 | "NFEA_UNSPEC" => true, 1820 1821 // FIXME: NDK r23 minimum required 1822 | "IFLA_PARENT_DEV_BUS_NAME" 1823 | "IFLA_PARENT_DEV_NAME" => true, 1824 1825 // FIXME: NDK r25 minimum required 1826 | "IFLA_GRO_MAX_SIZE" 1827 | "NDA_FLAGS_EXT" 1828 | "NTF_EXT_MANAGED" => true, 1829 1830 // FIXME: NDK above r25 required 1831 | "IFLA_ALLMULTI" 1832 | "IFLA_DEVLINK_PORT" 1833 | "IFLA_GRO_IPV4_MAX_SIZE" 1834 | "IFLA_GSO_IPV4_MAX_SIZE" 1835 | "IFLA_TSO_MAX_SEGS" 1836 | "IFLA_TSO_MAX_SIZE" 1837 | "NDA_NDM_STATE_MASK" 1838 | "NDA_NDM_FLAGS_MASK" 1839 | "NDTPA_INTERVAL_PROBE_TIME_MS" 1840 | "NFQA_UNSPEC" 1841 | "NTF_EXT_LOCKED" => true, 1842 1843 _ => false, 1844 } 1845 }); 1846 1847 cfg.skip_fn(move |name| { 1848 // skip those that are manually verified 1849 match name { 1850 // FIXME: https://github.com/rust-lang/libc/issues/1272 1851 "execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true, 1852 1853 // There are two versions of the sterror_r function, see 1854 // 1855 // https://linux.die.net/man/3/strerror_r 1856 // 1857 // An XSI-compliant version provided if: 1858 // 1859 // (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && ! _GNU_SOURCE 1860 // 1861 // and a GNU specific version provided if _GNU_SOURCE is defined. 1862 // 1863 // libc provides bindings for the XSI-compliant version, which is 1864 // preferred for portable applications. 1865 // 1866 // We skip the test here since here _GNU_SOURCE is defined, and 1867 // test the XSI version below. 1868 "strerror_r" => true, 1869 "reallocarray" => true, 1870 "__system_property_wait" => true, 1871 1872 // Added in API level 30, but tests use level 28. 1873 "mlock2" => true, 1874 1875 // Added in glibc 2.25. 1876 "getentropy" => true, 1877 1878 // Added in API level 28, but some tests use level 24. 1879 "getrandom" => true, 1880 1881 // Added in API level 28, but some tests use level 24. 1882 "syncfs" => true, 1883 1884 // Added in API level 28, but some tests use level 24. 1885 "pthread_attr_getinheritsched" | "pthread_attr_setinheritsched" => true, 1886 1887 _ => false, 1888 } 1889 }); 1890 1891 cfg.skip_field_type(move |struct_, field| { 1892 // This is a weird union, don't check the type. 1893 (struct_ == "ifaddrs" && field == "ifa_ifu") || 1894 // sigval is actually a union, but we pretend it's a struct 1895 (struct_ == "sigevent" && field == "sigev_value") || 1896 // this one is an anonymous union 1897 (struct_ == "ff_effect" && field == "u") || 1898 // FIXME: `sa_sigaction` has type `sighandler_t` but that type is 1899 // incorrect, see: https://github.com/rust-lang/libc/issues/1359 1900 (struct_ == "sigaction" && field == "sa_sigaction") || 1901 // signalfd had SIGSYS fields added in Android 4.19, but CI does not have that version yet. 1902 (struct_ == "signalfd_siginfo" && field == "ssi_call_addr") 1903 }); 1904 1905 cfg.skip_field(move |struct_, field| { 1906 // this is actually a union on linux, so we can't represent it well and 1907 // just insert some padding. 1908 (struct_ == "siginfo_t" && field == "_pad") || 1909 // FIXME: `sa_sigaction` has type `sighandler_t` but that type is 1910 // incorrect, see: https://github.com/rust-lang/libc/issues/1359 1911 (struct_ == "sigaction" && field == "sa_sigaction") || 1912 // sigev_notify_thread_id is actually part of a sigev_un union 1913 (struct_ == "sigevent" && field == "sigev_notify_thread_id") || 1914 // signalfd had SIGSYS fields added in Android 4.19, but CI does not have that version yet. 1915 (struct_ == "signalfd_siginfo" && (field == "ssi_syscall" || 1916 field == "ssi_call_addr" || 1917 field == "ssi_arch")) 1918 }); 1919 1920 cfg.skip_field(|struct_, field| { 1921 match (struct_, field) { 1922 // conflicting with `p_type` macro from <resolve.h>. 1923 ("Elf32_Phdr", "p_type") => true, 1924 ("Elf64_Phdr", "p_type") => true, 1925 1926 // this is actually a union on linux, so we can't represent it well and 1927 // just insert some padding. 1928 ("siginfo_t", "_pad") => true, 1929 1930 _ => false, 1931 } 1932 }); 1933 1934 cfg.generate("../src/lib.rs", "main.rs"); 1935 1936 test_linux_like_apis(target); 1937 } 1938 1939 fn test_freebsd(target: &str) { 1940 assert!(target.contains("freebsd")); 1941 let mut cfg = ctest_cfg(); 1942 1943 let freebsd_ver = which_freebsd(); 1944 1945 match freebsd_ver { 1946 Some(12) => cfg.cfg("freebsd12", None), 1947 Some(13) => cfg.cfg("freebsd13", None), 1948 Some(14) => cfg.cfg("freebsd14", None), 1949 _ => &mut cfg, 1950 }; 1951 1952 // For sched linux compat fn 1953 cfg.define("_WITH_CPU_SET_T", None); 1954 // Required for `getline`: 1955 cfg.define("_WITH_GETLINE", None); 1956 // Required for making freebsd11_stat available in the headers 1957 cfg.define("_WANT_FREEBSD11_STAT", None); 1958 1959 let freebsd13 = match freebsd_ver { 1960 Some(n) if n >= 13 => true, 1961 _ => false, 1962 }; 1963 1964 headers! { cfg: 1965 "aio.h", 1966 "arpa/inet.h", 1967 "bsm/audit.h", 1968 "ctype.h", 1969 "dirent.h", 1970 "dlfcn.h", 1971 "elf.h", 1972 "errno.h", 1973 "execinfo.h", 1974 "fcntl.h", 1975 "getopt.h", 1976 "glob.h", 1977 "grp.h", 1978 "iconv.h", 1979 "ifaddrs.h", 1980 "kenv.h", 1981 "langinfo.h", 1982 "libgen.h", 1983 "libutil.h", 1984 "limits.h", 1985 "link.h", 1986 "locale.h", 1987 "machine/elf.h", 1988 "machine/reg.h", 1989 "malloc_np.h", 1990 "memstat.h", 1991 "mqueue.h", 1992 "net/bpf.h", 1993 "net/if.h", 1994 "net/if_arp.h", 1995 "net/if_dl.h", 1996 "net/if_mib.h", 1997 "net/route.h", 1998 "netdb.h", 1999 "netinet/ip.h", 2000 "netinet/in.h", 2001 "netinet/sctp.h", 2002 "netinet/tcp.h", 2003 "netinet/udp.h", 2004 "poll.h", 2005 "pthread.h", 2006 "pthread_np.h", 2007 "pwd.h", 2008 "regex.h", 2009 "resolv.h", 2010 "sched.h", 2011 "semaphore.h", 2012 "signal.h", 2013 "spawn.h", 2014 "stddef.h", 2015 "stdint.h", 2016 "stdio.h", 2017 "stdlib.h", 2018 "string.h", 2019 "sys/capsicum.h", 2020 "sys/auxv.h", 2021 "sys/cpuset.h", 2022 "sys/domainset.h", 2023 "sys/eui64.h", 2024 "sys/event.h", 2025 [freebsd13]:"sys/eventfd.h", 2026 "sys/extattr.h", 2027 "sys/file.h", 2028 "sys/ioctl.h", 2029 "sys/ipc.h", 2030 "sys/jail.h", 2031 "sys/mman.h", 2032 "sys/mount.h", 2033 "sys/msg.h", 2034 "sys/procctl.h", 2035 "sys/procdesc.h", 2036 "sys/ptrace.h", 2037 "sys/queue.h", 2038 "sys/random.h", 2039 "sys/reboot.h", 2040 "sys/resource.h", 2041 "sys/rtprio.h", 2042 "sys/sem.h", 2043 "sys/shm.h", 2044 "sys/socket.h", 2045 "sys/stat.h", 2046 "sys/statvfs.h", 2047 "sys/sysctl.h", 2048 "sys/thr.h", 2049 "sys/time.h", 2050 "sys/times.h", 2051 "sys/timex.h", 2052 "sys/types.h", 2053 "sys/proc.h", 2054 "kvm.h", // must be after "sys/types.h" 2055 "sys/ucontext.h", 2056 "sys/uio.h", 2057 "sys/ktrace.h", 2058 "sys/umtx.h", 2059 "sys/un.h", 2060 "sys/user.h", 2061 "sys/utsname.h", 2062 "sys/uuid.h", 2063 "sys/vmmeter.h", 2064 "sys/wait.h", 2065 "libprocstat.h", 2066 "devstat.h", 2067 "syslog.h", 2068 "termios.h", 2069 "time.h", 2070 "ufs/ufs/quota.h", 2071 "unistd.h", 2072 "utime.h", 2073 "utmpx.h", 2074 "wchar.h", 2075 } 2076 2077 cfg.type_name(move |ty, is_struct, is_union| { 2078 match ty { 2079 // Just pass all these through, no need for a "struct" prefix 2080 "FILE" 2081 | "fd_set" 2082 | "Dl_info" 2083 | "DIR" 2084 | "Elf32_Phdr" 2085 | "Elf64_Phdr" 2086 | "Elf32_Auxinfo" 2087 | "Elf64_Auxinfo" 2088 | "devstat_select_mode" 2089 | "devstat_support_flags" 2090 | "devstat_type_flags" 2091 | "devstat_match_flags" 2092 | "devstat_priority" => ty.to_string(), 2093 2094 // FIXME: https://github.com/rust-lang/libc/issues/1273 2095 "sighandler_t" => "sig_t".to_string(), 2096 2097 t if is_union => format!("union {}", t), 2098 2099 t if t.ends_with("_t") => t.to_string(), 2100 2101 // sigval is a struct in Rust, but a union in C: 2102 "sigval" => format!("union sigval"), 2103 2104 // put `struct` in front of all structs:. 2105 t if is_struct => format!("struct {}", t), 2106 2107 t => t.to_string(), 2108 } 2109 }); 2110 2111 cfg.field_name(move |struct_, field| { 2112 match field { 2113 // Our stat *_nsec fields normally don't actually exist but are part 2114 // of a timeval struct 2115 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 2116 s.replace("e_nsec", ".tv_nsec") 2117 } 2118 // Field is named `type` in C but that is a Rust keyword, 2119 // so these fields are translated to `type_` in the bindings. 2120 "type_" if struct_ == "rtprio" => "type".to_string(), 2121 "type_" if struct_ == "sockstat" => "type".to_string(), 2122 "type_" if struct_ == "devstat_match_table" => "type".to_string(), 2123 s => s.to_string(), 2124 } 2125 }); 2126 2127 cfg.skip_const(move |name| { 2128 match name { 2129 // These constants were introduced in FreeBSD 13: 2130 "F_ADD_SEALS" | "F_GET_SEALS" | "F_SEAL_SEAL" | "F_SEAL_SHRINK" | "F_SEAL_GROW" 2131 | "F_SEAL_WRITE" 2132 if Some(13) > freebsd_ver => 2133 { 2134 true 2135 } 2136 2137 // These constants were introduced in FreeBSD 13: 2138 "EFD_CLOEXEC" | "EFD_NONBLOCK" | "EFD_SEMAPHORE" if Some(13) > freebsd_ver => true, 2139 2140 // These constants were introduced in FreeBSD 12: 2141 "AT_RESOLVE_BENEATH" | "O_RESOLVE_BENEATH" if Some(12) > freebsd_ver => true, 2142 2143 // These constants were introduced in FreeBSD 13: 2144 "O_DSYNC" | "O_PATH" | "O_EMPTY_PATH" | "AT_EMPTY_PATH" if Some(13) > freebsd_ver => { 2145 true 2146 } 2147 2148 // These aliases were introduced in FreeBSD 13: 2149 // (note however that the constants themselves work on any version) 2150 "CLOCK_BOOTTIME" | "CLOCK_REALTIME_COARSE" | "CLOCK_MONOTONIC_COARSE" 2151 if Some(13) > freebsd_ver => 2152 { 2153 true 2154 } 2155 2156 // FIXME: These are deprecated - remove in a couple of releases. 2157 // These constants were removed in FreeBSD 11 (svn r273250) but will 2158 // still be accepted and ignored at runtime. 2159 "MAP_RENAME" | "MAP_NORESERVE" => true, 2160 2161 // FIXME: These are deprecated - remove in a couple of releases. 2162 // These constants were removed in FreeBSD 11 (svn r262489), 2163 // and they've never had any legitimate use outside of the 2164 // base system anyway. 2165 "CTL_MAXID" | "KERN_MAXID" | "HW_MAXID" | "USER_MAXID" => true, 2166 2167 // FIXME: This is deprecated - remove in a couple of releases. 2168 // This was removed in FreeBSD 14 (git 1b4701fe1e8) and never 2169 // should've been used anywhere anyway. 2170 "TDF_UNUSED23" => true, 2171 2172 // FIXME: These are deprecated - remove in a couple of releases. 2173 // These symbols are not stable across OS-versions. They were 2174 // changed for FreeBSD 14 in git revisions b62848b0c3f and 2175 // 2cf7870864e. 2176 "PRI_MAX_ITHD" | "PRI_MIN_REALTIME" | "PRI_MAX_REALTIME" | "PRI_MIN_KERN" 2177 | "PRI_MAX_KERN" | "PSWP" | "PVM" | "PINOD" | "PRIBIO" | "PVFS" | "PZERO" | "PSOCK" 2178 | "PWAIT" | "PLOCK" | "PPAUSE" | "PRI_MIN_TIMESHARE" | "PUSER" | "PI_AV" | "PI_NET" 2179 | "PI_DISK" | "PI_TTY" | "PI_DULL" | "PI_SOFT" => true, 2180 2181 // This symbol changed in FreeBSD 14 (git 051e7d78b03), but the new 2182 // version should be safe to use on older releases. 2183 "IFCAP_CANTCHANGE" => true, 2184 2185 // These were removed in FreeBSD 14 (git c6d31b8306e) 2186 "TDF_ASTPENDING" | "TDF_NEEDSUSPCHK" | "TDF_NEEDRESCHED" | "TDF_NEEDSIGCHK" 2187 | "TDF_ALRMPEND" | "TDF_PROFPEND" | "TDF_MACPEND" => true, 2188 2189 // This constant was removed in FreeBSD 13 (svn r363622), and never 2190 // had any legitimate use outside of the base system anyway. 2191 "CTL_P1003_1B_MAXID" => true, 2192 2193 // This was renamed in FreeBSD 12.2 and 13 (r352486). 2194 "CTL_UNSPEC" | "CTL_SYSCTL" => true, 2195 2196 // This was renamed in FreeBSD 12.2 and 13 (r350749). 2197 "IPPROTO_SEP" | "IPPROTO_DCCP" => true, 2198 2199 // This was changed to 96(0x60) in FreeBSD 13: 2200 // https://github.com/freebsd/freebsd/ 2201 // commit/06b00ceaa914a3907e4e27bad924f44612bae1d7 2202 "MINCORE_SUPER" if Some(13) <= freebsd_ver => true, 2203 2204 // Added in FreeBSD 13.0 (r356667) 2205 "GRND_INSECURE" if Some(13) > freebsd_ver => true, 2206 2207 // Added in FreeBSD 13.0 (r349609) 2208 "PROC_PROTMAX_CTL" 2209 | "PROC_PROTMAX_STATUS" 2210 | "PROC_PROTMAX_FORCE_ENABLE" 2211 | "PROC_PROTMAX_FORCE_DISABLE" 2212 | "PROC_PROTMAX_NOFORCE" 2213 | "PROC_PROTMAX_ACTIVE" 2214 | "PROC_NO_NEW_PRIVS_CTL" 2215 | "PROC_NO_NEW_PRIVS_STATUS" 2216 | "PROC_NO_NEW_PRIVS_ENABLE" 2217 | "PROC_NO_NEW_PRIVS_DISABLE" 2218 | "PROC_WXMAP_CTL" 2219 | "PROC_WXMAP_STATUS" 2220 | "PROC_WX_MAPPINGS_PERMIT" 2221 | "PROC_WX_MAPPINGS_DISALLOW_EXEC" 2222 | "PROC_WXORX_ENFORCE" 2223 if Some(13) > freebsd_ver => 2224 { 2225 true 2226 } 2227 2228 // Added in in FreeBSD 13.0 (r367776 and r367287) 2229 "SCM_CREDS2" | "LOCAL_CREDS_PERSISTENT" if Some(13) > freebsd_ver => true, 2230 2231 // Added in FreeBSD 14 2232 "SPACECTL_DEALLOC" if Some(14) > freebsd_ver => true, 2233 2234 // Added in FreeBSD 13. 2235 "KERN_PROC_SIGFASTBLK" 2236 | "USER_LOCALBASE" 2237 | "TDP_SIGFASTBLOCK" 2238 | "TDP_UIOHELD" 2239 | "TDP_SIGFASTPENDING" 2240 | "TDP2_COMPAT32RB" 2241 | "P2_PROTMAX_ENABLE" 2242 | "P2_PROTMAX_DISABLE" 2243 | "CTLFLAG_NEEDGIANT" 2244 | "CTL_SYSCTL_NEXTNOSKIP" 2245 if Some(13) > freebsd_ver => 2246 { 2247 true 2248 } 2249 2250 // Added in freebsd 14. 2251 "IFCAP_MEXTPG" if Some(14) > freebsd_ver => true, 2252 // Added in freebsd 13. 2253 "IFF_KNOWSEPOCH" | "IFCAP_TXTLS4" | "IFCAP_TXTLS6" | "IFCAP_VXLAN_HWCSUM" 2254 | "IFCAP_VXLAN_HWTSO" | "IFCAP_TXTLS_RTLMT" | "IFCAP_TXTLS" 2255 if Some(13) > freebsd_ver => 2256 { 2257 true 2258 } 2259 // Added in FreeBSD 13. 2260 "PS_FST_TYPE_EVENTFD" if Some(13) > freebsd_ver => true, 2261 2262 // Added in FreeBSD 14. 2263 "MNT_RECURSE" | "MNT_DEFERRED" if Some(14) > freebsd_ver => true, 2264 2265 // Added in FreeBSD 13. 2266 "MNT_EXTLS" | "MNT_EXTLSCERT" | "MNT_EXTLSCERTUSER" | "MNT_NOCOVER" 2267 | "MNT_EMPTYDIR" 2268 if Some(13) > freebsd_ver => 2269 { 2270 true 2271 } 2272 2273 // Added in FreeBSD 14. 2274 "PT_COREDUMP" | "PC_ALL" | "PC_COMPRESS" | "PT_GETREGSET" | "PT_SETREGSET" 2275 | "PT_SC_REMOTE" 2276 if Some(14) > freebsd_ver => 2277 { 2278 true 2279 } 2280 2281 // Added in FreeBSD 14. 2282 "F_KINFO" => true, // FIXME: depends how frequent freebsd 14 is updated on CI, this addition went this week only. 2283 "SHM_RENAME_NOREPLACE" 2284 | "SHM_RENAME_EXCHANGE" 2285 | "SHM_LARGEPAGE_ALLOC_DEFAULT" 2286 | "SHM_LARGEPAGE_ALLOC_NOWAIT" 2287 | "SHM_LARGEPAGE_ALLOC_HARD" 2288 | "MFD_CLOEXEC" 2289 | "MFD_ALLOW_SEALING" 2290 | "MFD_HUGETLB" 2291 | "MFD_HUGE_MASK" 2292 | "MFD_HUGE_64KB" 2293 | "MFD_HUGE_512KB" 2294 | "MFD_HUGE_1MB" 2295 | "MFD_HUGE_2MB" 2296 | "MFD_HUGE_8MB" 2297 | "MFD_HUGE_16MB" 2298 | "MFD_HUGE_32MB" 2299 | "MFD_HUGE_256MB" 2300 | "MFD_HUGE_512MB" 2301 | "MFD_HUGE_1GB" 2302 | "MFD_HUGE_2GB" 2303 | "MFD_HUGE_16GB" 2304 if Some(13) > freebsd_ver => 2305 { 2306 true 2307 } 2308 2309 // Flags introduced in FreeBSD 14. 2310 "TCP_MAXUNACKTIME" 2311 | "TCP_MAXPEAKRATE" 2312 | "TCP_IDLE_REDUCE" 2313 | "TCP_REMOTE_UDP_ENCAPS_PORT" 2314 | "TCP_DELACK" 2315 | "TCP_FIN_IS_RST" 2316 | "TCP_LOG_LIMIT" 2317 | "TCP_SHARED_CWND_ALLOWED" 2318 | "TCP_PROC_ACCOUNTING" 2319 | "TCP_USE_CMP_ACKS" 2320 | "TCP_PERF_INFO" 2321 | "TCP_LRD" 2322 if Some(14) > freebsd_ver => 2323 { 2324 true 2325 } 2326 2327 // Added in FreeBSD 14 2328 "LIO_READV" | "LIO_WRITEV" | "LIO_VECTORED" if Some(14) > freebsd_ver => true, 2329 2330 // Added in FreeBSD 13 2331 "FIOSSHMLPGCNF" if Some(13) > freebsd_ver => true, 2332 2333 // Added in FreeBSD 14 2334 "IFCAP_NV" if Some(14) > freebsd_ver => true, 2335 2336 // FIXME: Removed in https://reviews.freebsd.org/D38574 and https://reviews.freebsd.org/D38822 2337 // We maybe should deprecate them once a stable release ships them. 2338 "IP_BINDMULTI" | "IP_RSS_LISTEN_BUCKET" => true, 2339 2340 // FIXME: Removed in https://reviews.freebsd.org/D39127. 2341 "KERN_VNODE" => true, 2342 2343 // Added in FreeBSD 14 2344 "EV_KEEPUDATA" if Some(14) > freebsd_ver => true, 2345 2346 // Added in FreeBSD 13.2 2347 "AT_USRSTACKBASE" | "AT_USRSTACKLIM" if Some(13) > freebsd_ver => true, 2348 2349 _ => false, 2350 } 2351 }); 2352 2353 cfg.skip_type(move |ty| { 2354 match ty { 2355 // the struct "__kvm" is quite tricky to bind so since we only use a pointer to it 2356 // for now, it doesn't matter too much... 2357 "kvm_t" => true, 2358 2359 _ => false, 2360 } 2361 }); 2362 2363 cfg.skip_struct(move |ty| { 2364 if ty.starts_with("__c_anonymous_") { 2365 return true; 2366 } 2367 match ty { 2368 // `procstat` is a private struct 2369 "procstat" => true, 2370 2371 // `spacectl_range` was introduced in FreeBSD 14 2372 "spacectl_range" if Some(14) > freebsd_ver => true, 2373 2374 // `ptrace_coredump` introduced in FreeBSD 14. 2375 "ptrace_coredump" if Some(14) > freebsd_ver => true, 2376 // `ptrace_sc_remote` introduced in FreeBSD 14. 2377 "ptrace_sc_remote" if Some(14) > freebsd_ver => true, 2378 2379 // `sockcred2` is not available in FreeBSD 12. 2380 "sockcred2" if Some(13) > freebsd_ver => true, 2381 // `shm_largepage_conf` was introduced in FreeBSD 13. 2382 "shm_largepage_conf" if Some(13) > freebsd_ver => true, 2383 2384 // Those are private types 2385 "memory_type" => true, 2386 "memory_type_list" => true, 2387 "pidfh" => true, 2388 "sctp_gen_error_cause" 2389 | "sctp_error_missing_param" 2390 | "sctp_remote_error" 2391 | "sctp_assoc_change" 2392 | "sctp_send_failed_event" 2393 | "sctp_stream_reset_event" => true, 2394 2395 _ => false, 2396 } 2397 }); 2398 2399 cfg.skip_fn(move |name| { 2400 // skip those that are manually verified 2401 match name { 2402 // FIXME: https://github.com/rust-lang/libc/issues/1272 2403 "execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true, 2404 2405 // The `uname` function in the `utsname.h` FreeBSD header is a C 2406 // inline function (has no symbol) that calls the `__xuname` symbol. 2407 // Therefore the function pointer comparison does not make sense for it. 2408 "uname" => true, 2409 2410 // FIXME: Our API is unsound. The Rust API allows aliasing 2411 // pointers, but the C API requires pointers not to alias. 2412 // We should probably be at least using `&`/`&mut` here, see: 2413 // https://github.com/gnzlbg/ctest/issues/68 2414 "lio_listio" => true, 2415 2416 // Those are introduced in FreeBSD 12. 2417 "clock_nanosleep" | "getrandom" | "elf_aux_info" | "setproctitle_fast" 2418 | "timingsafe_bcmp" | "timingsafe_memcmp" 2419 if Some(12) > freebsd_ver => 2420 { 2421 true 2422 } 2423 2424 // Those are introduced in FreeBSD 13. 2425 "memfd_create" 2426 | "shm_create_largepage" 2427 | "shm_rename" 2428 | "getentropy" 2429 | "eventfd" 2430 | "SOCKCRED2SIZE" 2431 | "getlocalbase" 2432 | "aio_readv" 2433 | "aio_writev" 2434 | "copy_file_range" 2435 if Some(13) > freebsd_ver => 2436 { 2437 true 2438 } 2439 2440 // Those are introduced in FreeBSD 14. 2441 "sched_getaffinity" | "sched_setaffinity" | "sched_getcpu" | "fspacectl" 2442 if Some(14) > freebsd_ver => 2443 { 2444 true 2445 } 2446 2447 _ => false, 2448 } 2449 }); 2450 2451 cfg.volatile_item(|i| { 2452 use ctest::VolatileItemKind::*; 2453 match i { 2454 // aio_buf is a volatile void** but since we cannot express that in 2455 // Rust types, we have to explicitly tell the checker about it here: 2456 StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => true, 2457 _ => false, 2458 } 2459 }); 2460 2461 cfg.skip_field(move |struct_, field| { 2462 match (struct_, field) { 2463 // FIXME: `sa_sigaction` has type `sighandler_t` but that type is 2464 // incorrect, see: https://github.com/rust-lang/libc/issues/1359 2465 ("sigaction", "sa_sigaction") => true, 2466 2467 // conflicting with `p_type` macro from <resolve.h>. 2468 ("Elf32_Phdr", "p_type") => true, 2469 ("Elf64_Phdr", "p_type") => true, 2470 2471 // not available until FreeBSD 12, and is an anonymous union there. 2472 ("xucred", "cr_pid__c_anonymous_union") => true, 2473 2474 // m_owner field is a volatile __lwpid_t 2475 ("umutex", "m_owner") => true, 2476 // c_has_waiters field is a volatile int32_t 2477 ("ucond", "c_has_waiters") => true, 2478 // is PATH_MAX long but tests can't accept multi array as equivalent. 2479 ("kinfo_vmentry", "kve_path") => true, 2480 2481 // a_un field is a union 2482 ("Elf32_Auxinfo", "a_un") => true, 2483 ("Elf64_Auxinfo", "a_un") => true, 2484 2485 // union fields 2486 ("if_data", "__ifi_epoch") => true, 2487 ("if_data", "__ifi_lastchange") => true, 2488 ("ifreq", "ifr_ifru") => true, 2489 ("ifconf", "ifc_ifcu") => true, 2490 2491 // anonymous struct 2492 ("devstat", "dev_links") => true, 2493 2494 // FIXME: structs too complicated to bind for now... 2495 ("kinfo_proc", "ki_paddr") => true, 2496 ("kinfo_proc", "ki_addr") => true, 2497 ("kinfo_proc", "ki_tracep") => true, 2498 ("kinfo_proc", "ki_textvp") => true, 2499 ("kinfo_proc", "ki_fd") => true, 2500 ("kinfo_proc", "ki_vmspace") => true, 2501 ("kinfo_proc", "ki_pcb") => true, 2502 ("kinfo_proc", "ki_tdaddr") => true, 2503 ("kinfo_proc", "ki_pd") => true, 2504 2505 // Anonymous type. 2506 ("filestat", "next") => true, 2507 2508 // We ignore this field because we needed to use a hack in order to make rust 1.19 2509 // happy... 2510 ("kinfo_proc", "ki_sparestrings") => true, 2511 2512 // `__sem_base` is a private struct field 2513 ("semid_ds", "__sem_base") => true, 2514 2515 // `snap_time` is a `long double`, but it's a nightmare to bind correctly in rust 2516 // for the moment, so it's a best effort thing... 2517 ("statinfo", "snap_time") => true, 2518 ("sctp_sndrcvinfo", "__reserve_pad") => true, 2519 ("sctp_extrcvinfo", "__reserve_pad") => true, 2520 // `tcp_snd_wscale` and `tcp_rcv_wscale` are bitfields 2521 ("tcp_info", "tcp_snd_wscale") => true, 2522 ("tcp_info", "tcp_rcv_wscale") => true, 2523 2524 _ => false, 2525 } 2526 }); 2527 2528 cfg.generate("../src/lib.rs", "main.rs"); 2529 } 2530 2531 fn test_emscripten(target: &str) { 2532 assert!(target.contains("emscripten")); 2533 2534 let mut cfg = ctest_cfg(); 2535 cfg.define("_GNU_SOURCE", None); // FIXME: ?? 2536 2537 headers! { cfg: 2538 "aio.h", 2539 "ctype.h", 2540 "dirent.h", 2541 "dlfcn.h", 2542 "errno.h", 2543 "fcntl.h", 2544 "glob.h", 2545 "grp.h", 2546 "ifaddrs.h", 2547 "langinfo.h", 2548 "limits.h", 2549 "locale.h", 2550 "malloc.h", 2551 "mntent.h", 2552 "mqueue.h", 2553 "net/ethernet.h", 2554 "net/if.h", 2555 "net/if_arp.h", 2556 "net/route.h", 2557 "netdb.h", 2558 "netinet/in.h", 2559 "netinet/ip.h", 2560 "netinet/tcp.h", 2561 "netinet/udp.h", 2562 "netpacket/packet.h", 2563 "poll.h", 2564 "pthread.h", 2565 "pty.h", 2566 "pwd.h", 2567 "resolv.h", 2568 "sched.h", 2569 "sched.h", 2570 "semaphore.h", 2571 "shadow.h", 2572 "signal.h", 2573 "stddef.h", 2574 "stdint.h", 2575 "stdio.h", 2576 "stdlib.h", 2577 "string.h", 2578 "sys/epoll.h", 2579 "sys/eventfd.h", 2580 "sys/file.h", 2581 "sys/ioctl.h", 2582 "sys/ipc.h", 2583 "sys/mman.h", 2584 "sys/mount.h", 2585 "sys/msg.h", 2586 "sys/personality.h", 2587 "sys/prctl.h", 2588 "sys/ptrace.h", 2589 "sys/quota.h", 2590 "sys/reboot.h", 2591 "sys/resource.h", 2592 "sys/sem.h", 2593 "sys/shm.h", 2594 "sys/signalfd.h", 2595 "sys/socket.h", 2596 "sys/stat.h", 2597 "sys/statvfs.h", 2598 "sys/swap.h", 2599 "sys/syscall.h", 2600 "sys/sysctl.h", 2601 "sys/sysinfo.h", 2602 "sys/time.h", 2603 "sys/timerfd.h", 2604 "sys/times.h", 2605 "sys/types.h", 2606 "sys/uio.h", 2607 "sys/un.h", 2608 "sys/user.h", 2609 "sys/utsname.h", 2610 "sys/vfs.h", 2611 "sys/wait.h", 2612 "sys/xattr.h", 2613 "syslog.h", 2614 "termios.h", 2615 "time.h", 2616 "ucontext.h", 2617 "unistd.h", 2618 "utime.h", 2619 "utmp.h", 2620 "utmpx.h", 2621 "wchar.h", 2622 } 2623 2624 cfg.type_name(move |ty, is_struct, is_union| { 2625 match ty { 2626 // Just pass all these through, no need for a "struct" prefix 2627 "FILE" | "fd_set" | "Dl_info" | "DIR" => ty.to_string(), 2628 2629 "os_unfair_lock" => "struct os_unfair_lock_s".to_string(), 2630 2631 // LFS64 types have been removed in Emscripten 3.1.44+ 2632 // https://github.com/emscripten-core/emscripten/pull/19812 2633 "off64_t" => "off_t".to_string(), 2634 2635 // typedefs don't need any keywords 2636 t if t.ends_with("_t") => t.to_string(), 2637 2638 // put `struct` in front of all structs:. 2639 t if is_struct => format!("struct {}", t), 2640 2641 // put `union` in front of all unions: 2642 t if is_union => format!("union {}", t), 2643 2644 t => t.to_string(), 2645 } 2646 }); 2647 2648 cfg.field_name(move |struct_, field| { 2649 match field { 2650 // Our stat *_nsec fields normally don't actually exist but are part 2651 // of a timeval struct 2652 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 2653 s.replace("e_nsec", ".tv_nsec") 2654 } 2655 // FIXME: appears that `epoll_event.data` is an union 2656 "u64" if struct_ == "epoll_event" => "data.u64".to_string(), 2657 s => s.to_string(), 2658 } 2659 }); 2660 2661 cfg.skip_type(move |ty| { 2662 match ty { 2663 // sighandler_t is crazy across platforms 2664 // FIXME: is this necessary? 2665 "sighandler_t" => true, 2666 2667 // FIXME: The size has been changed due to musl's time64 2668 "time_t" => true, 2669 2670 // LFS64 types have been removed in Emscripten 3.1.44+ 2671 // https://github.com/emscripten-core/emscripten/pull/19812 2672 t => t.ends_with("64") || t.ends_with("64_t"), 2673 } 2674 }); 2675 2676 cfg.skip_struct(move |ty| { 2677 match ty { 2678 // This is actually a union, not a struct 2679 // FIXME: is this necessary? 2680 "sigval" => true, 2681 2682 // FIXME: It was removed in 2683 // emscripten-core/emscripten@953e414 2684 "pthread_mutexattr_t" => true, 2685 2686 // FIXME: Investigate why the test fails. 2687 // Skip for now to unblock CI. 2688 "pthread_condattr_t" => true, 2689 2690 // FIXME: The size has been changed when upgraded to musl 1.2.2 2691 "pthread_mutex_t" => true, 2692 2693 // FIXME: Lowered from 16 to 8 bytes in 2694 // llvm/llvm-project@d1a96e9 2695 "max_align_t" => true, 2696 2697 // FIXME: The size has been changed due to time64 2698 "utimbuf" | "timeval" | "timespec" | "rusage" | "itimerval" | "sched_param" 2699 | "stat" | "stat64" | "shmid_ds" | "msqid_ds" => true, 2700 2701 // LFS64 types have been removed in Emscripten 3.1.44+ 2702 // https://github.com/emscripten-core/emscripten/pull/19812 2703 ty => ty.ends_with("64") || ty.ends_with("64_t"), 2704 } 2705 }); 2706 2707 cfg.skip_fn(move |name| { 2708 match name { 2709 // Emscripten does not support fork/exec/wait or any kind of multi-process support 2710 // https://github.com/emscripten-core/emscripten/blob/3.1.30/tools/system_libs.py#L973 2711 "execv" | "execve" | "execvp" | "execvpe" | "fexecve" | "wait4" => true, 2712 2713 // FIXME: Remove after emscripten-core/emscripten#18492 is released (> 3.1.30). 2714 "clearenv" => true, 2715 2716 _ => false, 2717 } 2718 }); 2719 2720 cfg.skip_const(move |name| { 2721 match name { 2722 // FIXME: deprecated - SIGNUNUSED was removed in glibc 2.26 2723 // users should use SIGSYS instead 2724 "SIGUNUSED" => true, 2725 2726 // FIXME: emscripten uses different constants to constructs these 2727 n if n.contains("__SIZEOF_PTHREAD") => true, 2728 2729 // FIXME: `SYS_gettid` was removed in 2730 // emscripten-core/emscripten@6d6474e 2731 "SYS_gettid" => true, 2732 2733 // FIXME: These values have been changed 2734 | "POSIX_MADV_DONTNEED" // to 4 2735 | "RLIMIT_NLIMITS" // to 16 2736 | "RLIM_NLIMITS" // to 16 2737 | "IPPROTO_MAX" // to 263 2738 | "F_GETLK" // to 5 2739 | "F_SETLK" // to 6 2740 | "F_SETLKW" // to 7 2741 | "O_TMPFILE" // to 65 2742 | "SIG_IGN" // -1 2743 => true, 2744 2745 // LFS64 types have been removed in Emscripten 3.1.44+ 2746 // https://github.com/emscripten-core/emscripten/pull/19812 2747 n if n.starts_with("RLIM64") => true, 2748 2749 _ => false, 2750 } 2751 }); 2752 2753 cfg.skip_field_type(move |struct_, field| { 2754 // This is a weird union, don't check the type. 2755 // FIXME: is this necessary? 2756 (struct_ == "ifaddrs" && field == "ifa_ifu") || 2757 // sighandler_t type is super weird 2758 // FIXME: is this necessary? 2759 (struct_ == "sigaction" && field == "sa_sigaction") || 2760 // sigval is actually a union, but we pretend it's a struct 2761 // FIXME: is this necessary? 2762 (struct_ == "sigevent" && field == "sigev_value") || 2763 // aio_buf is "volatile void*" and Rust doesn't understand volatile 2764 // FIXME: is this necessary? 2765 (struct_ == "aiocb" && field == "aio_buf") 2766 }); 2767 2768 cfg.skip_field(move |struct_, field| { 2769 // this is actually a union on linux, so we can't represent it well and 2770 // just insert some padding. 2771 // FIXME: is this necessary? 2772 (struct_ == "siginfo_t" && field == "_pad") || 2773 // musl names this __dummy1 but it's still there 2774 // FIXME: is this necessary? 2775 (struct_ == "glob_t" && field == "gl_flags") || 2776 // musl seems to define this as an *anonymous* bitfield 2777 // FIXME: is this necessary? 2778 (struct_ == "statvfs" && field == "__f_unused") || 2779 // sigev_notify_thread_id is actually part of a sigev_un union 2780 (struct_ == "sigevent" && field == "sigev_notify_thread_id") || 2781 // signalfd had SIGSYS fields added in Linux 4.18, but no libc release has them yet. 2782 (struct_ == "signalfd_siginfo" && (field == "ssi_addr_lsb" || 2783 field == "_pad2" || 2784 field == "ssi_syscall" || 2785 field == "ssi_call_addr" || 2786 field == "ssi_arch")) || 2787 // FIXME: After musl 1.1.24, it have only one field `sched_priority`, 2788 // while other fields become reserved. 2789 (struct_ == "sched_param" && [ 2790 "sched_ss_low_priority", 2791 "sched_ss_repl_period", 2792 "sched_ss_init_budget", 2793 "sched_ss_max_repl", 2794 ].contains(&field)) 2795 }); 2796 2797 // FIXME: test linux like 2798 cfg.generate("../src/lib.rs", "main.rs"); 2799 } 2800 2801 fn test_neutrino(target: &str) { 2802 assert!(target.contains("nto-qnx")); 2803 2804 let mut cfg = ctest_cfg(); 2805 2806 headers! { cfg: 2807 "ctype.h", 2808 "dirent.h", 2809 "dlfcn.h", 2810 "sys/elf.h", 2811 "fcntl.h", 2812 "glob.h", 2813 "grp.h", 2814 "iconv.h", 2815 "ifaddrs.h", 2816 "limits.h", 2817 "sys/link.h", 2818 "locale.h", 2819 "sys/malloc.h", 2820 "rcheck/malloc.h", 2821 "malloc.h", 2822 "mqueue.h", 2823 "net/if.h", 2824 "net/if_arp.h", 2825 "net/route.h", 2826 "netdb.h", 2827 "netinet/in.h", 2828 "netinet/ip.h", 2829 "netinet/tcp.h", 2830 "netinet/udp.h", 2831 "netinet/ip_var.h", 2832 "sys/poll.h", 2833 "pthread.h", 2834 "pwd.h", 2835 "regex.h", 2836 "resolv.h", 2837 "sys/sched.h", 2838 "sched.h", 2839 "semaphore.h", 2840 "shadow.h", 2841 "signal.h", 2842 "spawn.h", 2843 "stddef.h", 2844 "stdint.h", 2845 "stdio.h", 2846 "stdlib.h", 2847 "string.h", 2848 "sys/sysctl.h", 2849 "sys/file.h", 2850 "sys/inotify.h", 2851 "sys/ioctl.h", 2852 "sys/ipc.h", 2853 "sys/mman.h", 2854 "sys/mount.h", 2855 "sys/msg.h", 2856 "sys/resource.h", 2857 "sys/sem.h", 2858 "sys/socket.h", 2859 "sys/stat.h", 2860 "sys/statvfs.h", 2861 "sys/swap.h", 2862 "sys/termio.h", 2863 "sys/time.h", 2864 "sys/times.h", 2865 "sys/types.h", 2866 "sys/uio.h", 2867 "sys/un.h", 2868 "sys/utsname.h", 2869 "sys/wait.h", 2870 "syslog.h", 2871 "termios.h", 2872 "time.h", 2873 "sys/time.h", 2874 "ucontext.h", 2875 "unistd.h", 2876 "utime.h", 2877 "utmp.h", 2878 "wchar.h", 2879 "aio.h", 2880 "nl_types.h", 2881 "langinfo.h", 2882 "unix.h", 2883 "nbutil.h", 2884 "aio.h", 2885 "net/bpf.h", 2886 "net/if_dl.h", 2887 "sys/syspage.h", 2888 2889 // TODO: The following header file doesn't appear as part of the default headers 2890 // found in a standard installation of Neutrino 7.1 SDP. The structures/ 2891 // functions dependent on it are currently commented out. 2892 //"sys/asyncmsg.h", 2893 } 2894 2895 // Create and include a header file containing 2896 // items which are not included in any official 2897 // header file. 2898 let internal_header = "internal.h"; 2899 let out_dir = env::var("OUT_DIR").unwrap(); 2900 cfg.header(internal_header); 2901 cfg.include(&out_dir); 2902 std::fs::write( 2903 out_dir.to_owned() + "/" + internal_header, 2904 "#ifndef __internal_h__ 2905 #define __internal_h__ 2906 void __my_thread_exit(const void **); 2907 #endif", 2908 ) 2909 .unwrap(); 2910 2911 cfg.type_name(move |ty, is_struct, is_union| { 2912 match ty { 2913 // Just pass all these through, no need for a "struct" prefix 2914 "FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr" | "Elf64_Phdr" | "Elf32_Shdr" 2915 | "Elf64_Shdr" | "Elf32_Sym" | "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr" 2916 | "Elf32_Chdr" | "Elf64_Chdr" | "aarch64_qreg_t" | "syspage_entry_info" 2917 | "syspage_array_info" => ty.to_string(), 2918 2919 "Ioctl" => "int".to_string(), 2920 2921 t if is_union => format!("union {}", t), 2922 2923 t if t.ends_with("_t") => t.to_string(), 2924 2925 // put `struct` in front of all structs:. 2926 t if is_struct => format!("struct {}", t), 2927 2928 t => t.to_string(), 2929 } 2930 }); 2931 2932 cfg.field_name(move |_struct_, field| match field { 2933 "type_" => "type".to_string(), 2934 2935 s => s.to_string(), 2936 }); 2937 2938 cfg.volatile_item(|i| { 2939 use ctest::VolatileItemKind::*; 2940 match i { 2941 // The following fields are volatie but since we cannot express that in 2942 // Rust types, we have to explicitly tell the checker about it here: 2943 StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => true, 2944 StructField(ref n, ref f) if n == "qtime_entry" && f == "nsec_tod_adjust" => true, 2945 StructField(ref n, ref f) if n == "qtime_entry" && f == "nsec" => true, 2946 StructField(ref n, ref f) if n == "qtime_entry" && f == "nsec_stable" => true, 2947 StructField(ref n, ref f) if n == "intrspin" && f == "value" => true, 2948 _ => false, 2949 } 2950 }); 2951 2952 cfg.skip_type(move |ty| { 2953 match ty { 2954 // FIXME: `sighandler_t` type is incorrect, see: 2955 // https://github.com/rust-lang/libc/issues/1359 2956 "sighandler_t" => true, 2957 2958 // Does not exist in Neutrino 2959 "locale_t" => true, 2960 2961 _ => false, 2962 } 2963 }); 2964 2965 cfg.skip_struct(move |ty| { 2966 if ty.starts_with("__c_anonymous_") { 2967 return true; 2968 } 2969 match ty { 2970 "Elf64_Phdr" | "Elf32_Phdr" => true, 2971 2972 // FIXME: This is actually a union, not a struct 2973 "sigval" => true, 2974 2975 // union 2976 "_channel_connect_attr" => true, 2977 2978 _ => false, 2979 } 2980 }); 2981 2982 cfg.skip_const(move |name| { 2983 match name { 2984 // These signal "functions" are actually integer values that are casted to a fn ptr 2985 // This causes the compiler to err because of "illegal cast of int to ptr". 2986 "SIG_DFL" => true, 2987 "SIG_IGN" => true, 2988 "SIG_ERR" => true, 2989 2990 _ => false, 2991 } 2992 }); 2993 2994 cfg.skip_fn(move |name| { 2995 // skip those that are manually verified 2996 match name { 2997 // FIXME: https://github.com/rust-lang/libc/issues/1272 2998 "execv" | "execve" | "execvp" | "execvpe" => true, 2999 3000 // wrong signature 3001 "signal" => true, 3002 3003 // wrong signature of callback ptr 3004 "__cxa_atexit" => true, 3005 3006 // FIXME: Our API is unsound. The Rust API allows aliasing 3007 // pointers, but the C API requires pointers not to alias. 3008 // We should probably be at least using `&`/`&mut` here, see: 3009 // https://github.com/gnzlbg/ctest/issues/68 3010 "lio_listio" => true, 3011 3012 // 2 fields are actually unions which we're simply representing 3013 // as structures. 3014 "ChannelConnectAttr" => true, 3015 3016 // fields contains unions 3017 "SignalKillSigval" => true, 3018 "SignalKillSigval_r" => true, 3019 3020 // Not defined in any headers. Defined to work around a 3021 // stack unwinding bug. 3022 "__my_thread_exit" => true, 3023 3024 _ => false, 3025 } 3026 }); 3027 3028 cfg.skip_field_type(move |struct_, field| { 3029 // sigval is actually a union, but we pretend it's a struct 3030 struct_ == "sigevent" && field == "sigev_value" || 3031 // Anonymous structures 3032 struct_ == "_idle_hook" && field == "time" 3033 }); 3034 3035 cfg.skip_field(move |struct_, field| { 3036 (struct_ == "__sched_param" && field == "reserved") || 3037 (struct_ == "sched_param" && field == "reserved") || 3038 (struct_ == "sigevent" && field == "__padding1") || // ensure alignment 3039 (struct_ == "sigevent" && field == "__padding2") || // union 3040 (struct_ == "sigevent" && field == "__sigev_un2") || // union 3041 // sighandler_t type is super weird 3042 (struct_ == "sigaction" && field == "sa_sigaction") || 3043 // does not exist 3044 (struct_ == "syspage_entry" && field == "__reserved") || 3045 false // keep me for smaller diffs when something is added above 3046 }); 3047 3048 cfg.skip_static(move |name| (name == "__dso_handle")); 3049 3050 cfg.generate("../src/lib.rs", "main.rs"); 3051 } 3052 3053 fn test_vxworks(target: &str) { 3054 assert!(target.contains("vxworks")); 3055 3056 let mut cfg = ctest::TestGenerator::new(); 3057 headers! { cfg: 3058 "vxWorks.h", 3059 "yvals.h", 3060 "nfs/nfsCommon.h", 3061 "rtpLibCommon.h", 3062 "randomNumGen.h", 3063 "taskLib.h", 3064 "sysLib.h", 3065 "ioLib.h", 3066 "inetLib.h", 3067 "socket.h", 3068 "errnoLib.h", 3069 "ctype.h", 3070 "dirent.h", 3071 "dlfcn.h", 3072 "elf.h", 3073 "fcntl.h", 3074 "grp.h", 3075 "sys/poll.h", 3076 "ifaddrs.h", 3077 "langinfo.h", 3078 "limits.h", 3079 "link.h", 3080 "locale.h", 3081 "sys/stat.h", 3082 "netdb.h", 3083 "pthread.h", 3084 "pwd.h", 3085 "sched.h", 3086 "semaphore.h", 3087 "signal.h", 3088 "stddef.h", 3089 "stdint.h", 3090 "stdio.h", 3091 "stdlib.h", 3092 "string.h", 3093 "sys/file.h", 3094 "sys/ioctl.h", 3095 "sys/socket.h", 3096 "sys/time.h", 3097 "sys/times.h", 3098 "sys/types.h", 3099 "sys/uio.h", 3100 "sys/un.h", 3101 "sys/utsname.h", 3102 "sys/wait.h", 3103 "netinet/tcp.h", 3104 "syslog.h", 3105 "termios.h", 3106 "time.h", 3107 "ucontext.h", 3108 "unistd.h", 3109 "utime.h", 3110 "wchar.h", 3111 "errno.h", 3112 "sys/mman.h", 3113 "pathLib.h", 3114 "mqueue.h", 3115 } 3116 // FIXME 3117 cfg.skip_const(move |name| match name { 3118 // sighandler_t weirdness 3119 "SIG_DFL" | "SIG_ERR" | "SIG_IGN" 3120 // This is not defined in vxWorks 3121 | "RTLD_DEFAULT" => true, 3122 _ => false, 3123 }); 3124 // FIXME 3125 cfg.skip_type(move |ty| match ty { 3126 "stat64" | "sighandler_t" | "off64_t" => true, 3127 _ => false, 3128 }); 3129 3130 cfg.skip_field_type(move |struct_, field| match (struct_, field) { 3131 ("siginfo_t", "si_value") | ("stat", "st_size") | ("sigaction", "sa_u") => true, 3132 _ => false, 3133 }); 3134 3135 cfg.skip_roundtrip(move |s| match s { 3136 _ => false, 3137 }); 3138 3139 cfg.type_name(move |ty, is_struct, is_union| match ty { 3140 "DIR" | "FILE" | "Dl_info" | "RTP_DESC" => ty.to_string(), 3141 t if is_union => format!("union {}", t), 3142 t if t.ends_with("_t") => t.to_string(), 3143 t if is_struct => format!("struct {}", t), 3144 t => t.to_string(), 3145 }); 3146 3147 // FIXME 3148 cfg.skip_fn(move |name| match name { 3149 // sigval 3150 "sigqueue" | "_sigqueue" 3151 // sighandler_t 3152 | "signal" 3153 // not used in static linking by default 3154 | "dlerror" => true, 3155 _ => false, 3156 }); 3157 3158 cfg.generate("../src/lib.rs", "main.rs"); 3159 } 3160 3161 fn test_linux(target: &str) { 3162 assert!(target.contains("linux")); 3163 3164 // target_env 3165 let gnu = target.contains("gnu"); 3166 let musl = target.contains("musl") || target.contains("ohos"); 3167 let uclibc = target.contains("uclibc"); 3168 3169 match (gnu, musl, uclibc) { 3170 (true, false, false) => (), 3171 (false, true, false) => (), 3172 (false, false, true) => (), 3173 (_, _, _) => panic!( 3174 "linux target lib is gnu: {}, musl: {}, uclibc: {}", 3175 gnu, musl, uclibc 3176 ), 3177 } 3178 3179 let arm = target.contains("arm"); 3180 let i686 = target.contains("i686"); 3181 let mips = target.contains("mips"); 3182 let mips32 = mips && !target.contains("64"); 3183 let mips64 = mips && target.contains("64"); 3184 let ppc = target.contains("powerpc"); 3185 let ppc64 = target.contains("powerpc64"); 3186 let s390x = target.contains("s390x"); 3187 let sparc64 = target.contains("sparc64"); 3188 let x32 = target.contains("x32"); 3189 let x86_32 = target.contains("i686"); 3190 let x86_64 = target.contains("x86_64"); 3191 let aarch64_musl = target.contains("aarch64") && musl; 3192 let gnueabihf = target.contains("gnueabihf"); 3193 let x86_64_gnux32 = target.contains("gnux32") && x86_64; 3194 let riscv64 = target.contains("riscv64"); 3195 let uclibc = target.contains("uclibc"); 3196 3197 let mut cfg = ctest_cfg(); 3198 cfg.define("_GNU_SOURCE", None); 3199 // This macro re-deifnes fscanf,scanf,sscanf to link to the symbols that are 3200 // deprecated since glibc >= 2.29. This allows Rust binaries to link against 3201 // glibc versions older than 2.29. 3202 cfg.define("__GLIBC_USE_DEPRECATED_SCANF", None); 3203 3204 headers! { cfg: 3205 "ctype.h", 3206 "dirent.h", 3207 "dlfcn.h", 3208 "elf.h", 3209 "fcntl.h", 3210 "getopt.h", 3211 "glob.h", 3212 [gnu]: "gnu/libc-version.h", 3213 "grp.h", 3214 "iconv.h", 3215 "ifaddrs.h", 3216 "langinfo.h", 3217 "libgen.h", 3218 "limits.h", 3219 "link.h", 3220 "locale.h", 3221 "malloc.h", 3222 "mntent.h", 3223 "mqueue.h", 3224 "net/ethernet.h", 3225 "net/if.h", 3226 "net/if_arp.h", 3227 "net/route.h", 3228 "netdb.h", 3229 "netinet/in.h", 3230 "netinet/ip.h", 3231 "netinet/tcp.h", 3232 "netinet/udp.h", 3233 "netpacket/packet.h", 3234 "poll.h", 3235 "pthread.h", 3236 "pty.h", 3237 "pwd.h", 3238 "regex.h", 3239 "resolv.h", 3240 "sched.h", 3241 "semaphore.h", 3242 "shadow.h", 3243 "signal.h", 3244 "spawn.h", 3245 "stddef.h", 3246 "stdint.h", 3247 "stdio.h", 3248 "stdlib.h", 3249 "string.h", 3250 "sys/epoll.h", 3251 "sys/eventfd.h", 3252 "sys/file.h", 3253 "sys/fsuid.h", 3254 "sys/inotify.h", 3255 "sys/ioctl.h", 3256 "sys/ipc.h", 3257 "sys/mman.h", 3258 "sys/mount.h", 3259 "sys/msg.h", 3260 "sys/personality.h", 3261 "sys/prctl.h", 3262 "sys/ptrace.h", 3263 "sys/quota.h", 3264 "sys/random.h", 3265 "sys/reboot.h", 3266 "sys/resource.h", 3267 "sys/sem.h", 3268 "sys/sendfile.h", 3269 "sys/shm.h", 3270 "sys/signalfd.h", 3271 "sys/socket.h", 3272 "sys/stat.h", 3273 "sys/statvfs.h", 3274 "sys/swap.h", 3275 "sys/syscall.h", 3276 "sys/time.h", 3277 "sys/timerfd.h", 3278 "sys/times.h", 3279 "sys/timex.h", 3280 "sys/types.h", 3281 "sys/uio.h", 3282 "sys/un.h", 3283 "sys/user.h", 3284 "sys/utsname.h", 3285 "sys/vfs.h", 3286 "sys/wait.h", 3287 "syslog.h", 3288 "termios.h", 3289 "time.h", 3290 "ucontext.h", 3291 "unistd.h", 3292 "utime.h", 3293 "utmp.h", 3294 "utmpx.h", 3295 "wchar.h", 3296 "errno.h", 3297 // `sys/io.h` is only available on x86*, Alpha, IA64, and 32-bit 3298 // ARM: https://bugzilla.redhat.com/show_bug.cgi?id=1116162 3299 // Also unavailable on gnueabihf with glibc 2.30. 3300 // https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=6b33f373c7b9199e00ba5fbafd94ac9bfb4337b1 3301 [(x86_64 || x86_32 || arm) && !gnueabihf]: "sys/io.h", 3302 // `sys/reg.h` is only available on x86 and x86_64 3303 [x86_64 || x86_32]: "sys/reg.h", 3304 // sysctl system call is deprecated and not available on musl 3305 // It is also unsupported in x32, deprecated since glibc 2.30: 3306 [!(x32 || musl || gnu)]: "sys/sysctl.h", 3307 // <execinfo.h> is not supported by musl: 3308 // https://www.openwall.com/lists/musl/2015/04/09/3 3309 // <execinfo.h> is not present on uclibc. 3310 [!(musl || uclibc)]: "execinfo.h", 3311 } 3312 3313 // Include linux headers at the end: 3314 headers! { 3315 cfg: 3316 "asm/mman.h", 3317 "linux/can.h", 3318 "linux/can/raw.h", 3319 // FIXME: requires kernel headers >= 5.4.1. 3320 [!musl]: "linux/can/j1939.h", 3321 "linux/dccp.h", 3322 "linux/errqueue.h", 3323 "linux/falloc.h", 3324 "linux/filter.h", 3325 "linux/fs.h", 3326 "linux/futex.h", 3327 "linux/genetlink.h", 3328 "linux/if.h", 3329 "linux/if_addr.h", 3330 "linux/if_alg.h", 3331 "linux/if_ether.h", 3332 "linux/if_tun.h", 3333 "linux/input.h", 3334 "linux/ipv6.h", 3335 "linux/kexec.h", 3336 "linux/keyctl.h", 3337 "linux/magic.h", 3338 "linux/memfd.h", 3339 "linux/membarrier.h", 3340 "linux/mempolicy.h", 3341 "linux/mman.h", 3342 "linux/module.h", 3343 // FIXME: requires kernel headers >= 5.1. 3344 [!musl]: "linux/mount.h", 3345 "linux/net_tstamp.h", 3346 "linux/netfilter/nfnetlink.h", 3347 "linux/netfilter/nfnetlink_log.h", 3348 "linux/netfilter/nfnetlink_queue.h", 3349 "linux/netfilter/nf_tables.h", 3350 "linux/netfilter_ipv4.h", 3351 "linux/netfilter_ipv6.h", 3352 "linux/netfilter_ipv6/ip6_tables.h", 3353 "linux/netlink.h", 3354 // FIXME: requires Linux >= 5.6: 3355 [!musl]: "linux/openat2.h", 3356 [!musl]: "linux/ptrace.h", 3357 "linux/quota.h", 3358 "linux/random.h", 3359 "linux/reboot.h", 3360 "linux/rtnetlink.h", 3361 "linux/sched.h", 3362 "linux/sctp.h", 3363 "linux/seccomp.h", 3364 "linux/sock_diag.h", 3365 "linux/sockios.h", 3366 "linux/tls.h", 3367 "linux/uinput.h", 3368 "linux/vm_sockets.h", 3369 "linux/wait.h", 3370 "sys/fanotify.h", 3371 // <sys/auxv.h> is not present on uclibc 3372 [!uclibc]: "sys/auxv.h", 3373 } 3374 3375 // note: aio.h must be included before sys/mount.h 3376 headers! { 3377 cfg: 3378 "sys/xattr.h", 3379 "sys/sysinfo.h", 3380 // AIO is not supported by uclibc: 3381 [!uclibc]: "aio.h", 3382 } 3383 3384 cfg.type_name(move |ty, is_struct, is_union| { 3385 match ty { 3386 // Just pass all these through, no need for a "struct" prefix 3387 "FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr" | "Elf64_Phdr" | "Elf32_Shdr" 3388 | "Elf64_Shdr" | "Elf32_Sym" | "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr" 3389 | "Elf32_Chdr" | "Elf64_Chdr" => ty.to_string(), 3390 3391 "Ioctl" if gnu => "unsigned long".to_string(), 3392 "Ioctl" => "int".to_string(), 3393 3394 // LFS64 types have been removed in musl 1.2.4+ 3395 "off64_t" if musl => "off_t".to_string(), 3396 3397 // typedefs don't need any keywords 3398 t if t.ends_with("_t") => t.to_string(), 3399 // put `struct` in front of all structs:. 3400 t if is_struct => format!("struct {}", t), 3401 // put `union` in front of all unions: 3402 t if is_union => format!("union {}", t), 3403 3404 t => t.to_string(), 3405 } 3406 }); 3407 3408 cfg.field_name(move |struct_, field| { 3409 match field { 3410 // Our stat *_nsec fields normally don't actually exist but are part 3411 // of a timeval struct 3412 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 3413 s.replace("e_nsec", ".tv_nsec") 3414 } 3415 // FIXME: epoll_event.data is actually a union in C, but in Rust 3416 // it is only a u64 because we only expose one field 3417 // http://man7.org/linux/man-pages/man2/epoll_wait.2.html 3418 "u64" if struct_ == "epoll_event" => "data.u64".to_string(), 3419 // The following structs have a field called `type` in C, 3420 // but `type` is a Rust keyword, so these fields are translated 3421 // to `type_` in Rust. 3422 "type_" 3423 if struct_ == "input_event" 3424 || struct_ == "input_mask" 3425 || struct_ == "ff_effect" => 3426 { 3427 "type".to_string() 3428 } 3429 3430 s => s.to_string(), 3431 } 3432 }); 3433 3434 cfg.skip_type(move |ty| { 3435 match ty { 3436 // FIXME: `sighandler_t` type is incorrect, see: 3437 // https://github.com/rust-lang/libc/issues/1359 3438 "sighandler_t" => true, 3439 3440 // These cannot be tested when "resolv.h" is included and are tested 3441 // in the `linux_elf.rs` file. 3442 "Elf64_Phdr" | "Elf32_Phdr" => true, 3443 3444 // This type is private on Linux. It is implemented as a C `enum` 3445 // (`c_uint`) and this clashes with the type of the `rlimit` APIs 3446 // which expect a `c_int` even though both are ABI compatible. 3447 "__rlimit_resource_t" => true, 3448 // on Linux, this is a volatile int 3449 "pthread_spinlock_t" => true, 3450 3451 // For internal use only, to define architecture specific ioctl constants with a libc 3452 // specific type. 3453 "Ioctl" => true, 3454 3455 // FIXME: requires >= 5.4.1 kernel headers 3456 "pgn_t" if musl => true, 3457 "priority_t" if musl => true, 3458 "name_t" if musl => true, 3459 3460 t => { 3461 if musl { 3462 // LFS64 types have been removed in musl 1.2.4+ 3463 t.ends_with("64") || t.ends_with("64_t") 3464 } else { 3465 false 3466 } 3467 } 3468 } 3469 }); 3470 3471 cfg.skip_struct(move |ty| { 3472 if ty.starts_with("__c_anonymous_") { 3473 return true; 3474 } 3475 // FIXME: musl CI has old headers 3476 if musl && ty.starts_with("uinput_") { 3477 return true; 3478 } 3479 // LFS64 types have been removed in musl 1.2.4+ 3480 if musl && (ty.ends_with("64") || ty.ends_with("64_t")) { 3481 return true; 3482 } 3483 // FIXME: sparc64 CI has old headers 3484 if sparc64 && (ty == "uinput_ff_erase" || ty == "uinput_abs_setup") { 3485 return true; 3486 } 3487 // FIXME(https://github.com/rust-lang/libc/issues/1558): passing by 3488 // value corrupts the value for reasons not understood. 3489 if (gnu && sparc64) && (ty == "ip_mreqn" || ty == "hwtstamp_config") { 3490 return true; 3491 } 3492 match ty { 3493 // These cannot be tested when "resolv.h" is included and are tested 3494 // in the `linux_elf.rs` file. 3495 "Elf64_Phdr" | "Elf32_Phdr" => true, 3496 3497 // On Linux, the type of `ut_tv` field of `struct utmpx` 3498 // can be an anonymous struct, so an extra struct, 3499 // which is absent in glibc, has to be defined. 3500 "__timeval" => true, 3501 3502 // FIXME: This is actually a union, not a struct 3503 "sigval" => true, 3504 3505 // This type is tested in the `linux_termios.rs` file since there 3506 // are header conflicts when including them with all the other 3507 // structs. 3508 "termios2" => true, 3509 3510 // FIXME: remove once we set minimum supported glibc version. 3511 // ucontext_t added a new field as of glibc 2.28; our struct definition is 3512 // conservative and omits the field, but that means the size doesn't match for newer 3513 // glibcs (see https://github.com/rust-lang/libc/issues/1410) 3514 "ucontext_t" if gnu => true, 3515 3516 // FIXME: Somehow we cannot include headers correctly in glibc 2.30. 3517 // So let's ignore for now and re-visit later. 3518 // Probably related: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91085 3519 "statx" => true, 3520 "statx_timestamp" => true, 3521 3522 // On Linux, the type of `ut_exit` field of struct `utmpx` 3523 // can be an anonymous struct, so an extra struct, 3524 // which is absent in musl, has to be defined. 3525 "__exit_status" if musl => true, 3526 3527 // clone_args might differ b/w libc versions 3528 "clone_args" => true, 3529 3530 // Might differ between kernel versions 3531 "open_how" => true, 3532 3533 // FIXME: requires >= 5.4.1 kernel headers 3534 "j1939_filter" if musl => true, 3535 3536 // FIXME: requires >= 5.4 kernel headers 3537 "sockaddr_can" if musl => true, 3538 3539 "sctp_initmsg" | "sctp_sndrcvinfo" | "sctp_sndinfo" | "sctp_rcvinfo" 3540 | "sctp_nxtinfo" | "sctp_prinfo" | "sctp_authinfo" => true, 3541 3542 // FIXME: requires >= 6.1 kernel headers 3543 "canxl_frame" => true, 3544 _ => false, 3545 } 3546 }); 3547 3548 cfg.skip_const(move |name| { 3549 if !gnu { 3550 // Skip definitions from the kernel on non-glibc Linux targets. 3551 // They're libc-independent, so we only need to check them on one 3552 // libc. We don't want to break CI if musl or another libc doesn't 3553 // have the definitions yet. (We do still want to check them on 3554 // every glibc target, though, as some of them can vary by 3555 // architecture.) 3556 // 3557 // This is not an exhaustive list of kernel constants, just a list 3558 // of prefixes of all those that have appeared here or that get 3559 // updated regularly and seem likely to cause breakage. 3560 if name.starts_with("AF_") 3561 || name.starts_with("ARPHRD_") 3562 || name.starts_with("EPOLL") 3563 || name.starts_with("F_") 3564 || name.starts_with("FALLOC_FL_") 3565 || name.starts_with("IFLA_") 3566 || name.starts_with("KEXEC_") 3567 || name.starts_with("MS_") 3568 || name.starts_with("MSG_") 3569 || name.starts_with("OPEN_TREE_") 3570 || name.starts_with("P_") 3571 || name.starts_with("PF_") 3572 || name.starts_with("RLIMIT_") 3573 || name.starts_with("RTEXT_FILTER_") 3574 || name.starts_with("SOL_") 3575 || name.starts_with("STATX_") 3576 || name.starts_with("SW_") 3577 || name.starts_with("SYS_") 3578 || name.starts_with("TCP_") 3579 || name.starts_with("UINPUT_") 3580 || name.starts_with("VMADDR_") 3581 { 3582 return true; 3583 } 3584 } 3585 if musl { 3586 // FIXME: Requires >= 5.4.1 kernel headers 3587 if name.starts_with("J1939") 3588 || name.starts_with("RTEXT_FILTER_") 3589 || name.starts_with("SO_J1939") 3590 || name.starts_with("SCM_J1939") 3591 { 3592 return true; 3593 } 3594 // FIXME: Requires >= 5.10 kernel headers 3595 if name.starts_with("MEMBARRIER_CMD_REGISTER") 3596 || name.starts_with("MEMBARRIER_CMD_PRIVATE") 3597 { 3598 return true; 3599 } 3600 // LFS64 types have been removed in musl 1.2.4+ 3601 if name.starts_with("RLIM64") { 3602 return true; 3603 } 3604 } 3605 match name { 3606 // These constants are not available if gnu headers have been included 3607 // and can therefore not be tested here 3608 // 3609 // The IPV6 constants are tested in the `linux_ipv6.rs` tests: 3610 | "IPV6_FLOWINFO" 3611 | "IPV6_FLOWLABEL_MGR" 3612 | "IPV6_FLOWINFO_SEND" 3613 | "IPV6_FLOWINFO_FLOWLABEL" 3614 | "IPV6_FLOWINFO_PRIORITY" 3615 // The F_ fnctl constants are tested in the `linux_fnctl.rs` tests: 3616 | "F_CANCELLK" 3617 | "F_ADD_SEALS" 3618 | "F_GET_SEALS" 3619 | "F_SEAL_SEAL" 3620 | "F_SEAL_SHRINK" 3621 | "F_SEAL_GROW" 3622 | "F_SEAL_WRITE" => true, 3623 // The `ARPHRD_CAN` is tested in the `linux_if_arp.rs` tests 3624 // because including `linux/if_arp.h` causes some conflicts: 3625 "ARPHRD_CAN" => true, 3626 3627 // FIXME: deprecated: not available in any header 3628 // See: https://github.com/rust-lang/libc/issues/1356 3629 "ENOATTR" => true, 3630 3631 // FIXME: SIGUNUSED was removed in glibc 2.26 3632 // Users should use SIGSYS instead. 3633 "SIGUNUSED" => true, 3634 3635 // FIXME: conflicts with glibc headers and is tested in 3636 // `linux_termios.rs` below: 3637 | "BOTHER" 3638 | "IBSHIFT" 3639 | "TCGETS2" 3640 | "TCSETS2" 3641 | "TCSETSW2" 3642 | "TCSETSF2" => true, 3643 3644 // FIXME: on musl the pthread types are defined a little differently 3645 // - these constants are used by the glibc implementation. 3646 n if musl && n.contains("__SIZEOF_PTHREAD") => true, 3647 3648 // FIXME: It was extended to 4096 since glibc 2.31 (Linux 5.4). 3649 // We should do so after a while. 3650 "SOMAXCONN" if gnu => true, 3651 3652 // deprecated: not available from Linux kernel 5.6: 3653 "VMADDR_CID_RESERVED" => true, 3654 3655 // IPPROTO_MAX was increased in 5.6 for IPPROTO_MPTCP: 3656 | "IPPROTO_MAX" 3657 | "IPPROTO_ETHERNET" 3658 | "IPPROTO_MPTCP" => true, 3659 3660 // FIXME: Not currently available in headers 3661 "P_PIDFD" if mips => true, 3662 "SYS_pidfd_open" if mips => true, 3663 3664 // FIXME: Not currently available in headers on MIPS 3665 // Not yet implemented on sparc64 3666 "SYS_clone3" if mips | sparc64 => true, 3667 3668 // FIXME: Not defined on ARM, gnueabihf, MIPS, musl, PowerPC, riscv64, s390x, and sparc64. 3669 "SYS_memfd_secret" if arm | gnueabihf | mips | musl | ppc | riscv64 | s390x | sparc64 => true, 3670 3671 // FIXME: Added in Linux 5.16 3672 // https://github.com/torvalds/linux/commit/039c0ec9bb77446d7ada7f55f90af9299b28ca49 3673 "SYS_futex_waitv" => true, 3674 3675 // FIXME: Added in Linux 5.17 3676 // https://github.com/torvalds/linux/commit/c6018b4b254971863bd0ad36bb5e7d0fa0f0ddb0 3677 "SYS_set_mempolicy_home_node" => true, 3678 3679 // FIXME: Added in Linux 5.18 3680 // https://github.com/torvalds/linux/commit/8b5413647262dda8d8d0e07e14ea1de9ac7cf0b2 3681 "NFQA_PRIORITY" => true, 3682 3683 // FIXME: requires more recent kernel headers on CI 3684 | "UINPUT_VERSION" 3685 | "SW_MAX" 3686 | "SW_CNT" 3687 if mips || ppc64 || riscv64 => true, 3688 3689 // FIXME: Not currently available in headers on ARM, MIPS and musl. 3690 "NETLINK_GET_STRICT_CHK" if arm || mips || musl => true, 3691 3692 // kernel constants not available in uclibc 1.0.34 3693 | "EXTPROC" 3694 | "FAN_MARK_FILESYSTEM" 3695 | "FAN_MARK_INODE" 3696 | "IPPROTO_BEETPH" 3697 | "IPPROTO_MPLS" 3698 | "IPV6_HDRINCL" 3699 | "IPV6_MULTICAST_ALL" 3700 | "IPV6_PMTUDISC_INTERFACE" 3701 | "IPV6_PMTUDISC_OMIT" 3702 | "IPV6_ROUTER_ALERT_ISOLATE" 3703 | "PACKET_MR_UNICAST" 3704 | "RUSAGE_THREAD" 3705 | "SHM_EXEC" 3706 | "UDP_GRO" 3707 | "UDP_SEGMENT" 3708 if uclibc => true, 3709 3710 // headers conflicts with linux/pidfd.h 3711 "PIDFD_NONBLOCK" => true, 3712 3713 // is a private value for kernel usage normally 3714 "FUSE_SUPER_MAGIC" => true, 3715 3716 // linux 5.17 min 3717 "PR_SET_VMA" | "PR_SET_VMA_ANON_NAME" => true, 3718 3719 // present in recent kernels only 3720 "PR_SCHED_CORE" | "PR_SCHED_CORE_CREATE" | "PR_SCHED_CORE_GET" | "PR_SCHED_CORE_MAX" | "PR_SCHED_CORE_SCOPE_PROCESS_GROUP" | "PR_SCHED_CORE_SCOPE_THREAD" | "PR_SCHED_CORE_SCOPE_THREAD_GROUP" | "PR_SCHED_CORE_SHARE_FROM" | "PR_SCHED_CORE_SHARE_TO" => true, 3721 3722 // present in recent kernels only >= 5.13 3723 "PR_PAC_SET_ENABLED_KEYS" | "PR_PAC_GET_ENABLED_KEYS" => true, 3724 // present in recent kernels only >= 5.19 3725 "PR_SME_SET_VL" | "PR_SME_GET_VL" | "PR_SME_VL_LEN_MAX" | "PR_SME_SET_VL_INHERIT" | "PR_SME_SET_VL_ONE_EXEC" => true, 3726 3727 // Added in Linux 5.14 3728 "FUTEX_LOCK_PI2" => true, 3729 3730 // Added in linux 6.1 3731 "STATX_DIOALIGN" 3732 | "CAN_RAW_XL_FRAMES" 3733 | "CANXL_HDR_SIZE" 3734 | "CANXL_MAX_DLC" 3735 | "CANXL_MAX_DLC_MASK" 3736 | "CANXL_MAX_DLEN" 3737 | "CANXL_MAX_MTU" 3738 | "CANXL_MIN_DLC" 3739 | "CANXL_MIN_DLEN" 3740 | "CANXL_MIN_MTU" 3741 | "CANXL_MTU" 3742 | "CANXL_PRIO_BITS" 3743 | "CANXL_PRIO_MASK" 3744 | "CANXL_SEC" 3745 | "CANXL_XLF" 3746 => true, 3747 3748 // FIXME: Parts of netfilter/nfnetlink*.h require more recent kernel headers: 3749 | "RTNLGRP_MCTP_IFADDR" // linux v5.17+ 3750 | "RTNLGRP_TUNNEL" // linux v5.18+ 3751 | "RTNLGRP_STATS" // linux v5.18+ 3752 => true, 3753 3754 // FIXME: The below is no longer const in glibc 2.34: 3755 // https://github.com/bminor/glibc/commit/5d98a7dae955bafa6740c26eaba9c86060ae0344 3756 | "PTHREAD_STACK_MIN" 3757 | "SIGSTKSZ" 3758 | "MINSIGSTKSZ" 3759 if gnu => true, 3760 3761 // FIXME: Linux >= 5.16 changed its value: 3762 // https://github.com/torvalds/linux/commit/42df6e1d221dddc0f2acf2be37e68d553ad65f96 3763 "NF_NETDEV_NUMHOOKS" => true, 3764 3765 // FIXME: requires Linux >= 5.6: 3766 | "RESOLVE_BENEATH" 3767 | "RESOLVE_CACHED" 3768 | "RESOLVE_IN_ROOT" 3769 | "RESOLVE_NO_MAGICLINKS" 3770 | "RESOLVE_NO_SYMLINKS" 3771 | "RESOLVE_NO_XDEV" if musl => true, 3772 3773 // FIXME: requires Linux >= 5.4: 3774 | "CAN_J1939" 3775 | "CAN_NPROTO" if musl => true, 3776 3777 // FIXME: requires Linux >= 5.6 3778 "GRND_INSECURE" if musl => true, 3779 3780 // FIXME: requires Linux >= 5.7: 3781 "MREMAP_DONTUNMAP" if musl => true, 3782 3783 // FIXME: requires Linux >= v5.8 3784 "IF_LINK_MODE_TESTING" if musl || sparc64 => true, 3785 3786 // FIXME: Requires more recent kernel headers (5.9 / 5.11): 3787 | "CLOSE_RANGE_UNSHARE" 3788 | "CLOSE_RANGE_CLOEXEC" if musl => true, 3789 3790 // FIXME: requires Linux >= 5.12: 3791 "MPOL_F_NUMA_BALANCING" if musl => true, 3792 3793 // FIXME: Requires more recent kernel headers 3794 | "NFNL_SUBSYS_COUNT" // bumped in v5.14 3795 | "NFNL_SUBSYS_HOOK" // v5.14+ 3796 | "NFULA_VLAN" // v5.4+ 3797 | "NFULA_L2HDR" // v5.4+ 3798 | "NFULA_VLAN_PROTO" // v5.4+ 3799 | "NFULA_VLAN_TCI" // v5.4+ 3800 | "NFULA_VLAN_UNSPEC" // v5.4+ 3801 | "RTNLGRP_NEXTHOP" // linux v5.3+ 3802 | "RTNLGRP_BRVLAN" // linux v5.6+ 3803 if musl => true, 3804 3805 | "MADV_COLD" 3806 | "MADV_PAGEOUT" 3807 | "MADV_POPULATE_READ" 3808 | "MADV_POPULATE_WRITE" 3809 if musl => true, 3810 3811 // kernel 6.1 minimum 3812 "MADV_COLLAPSE" => true, 3813 3814 // FIXME: Requires more recent kernel headers 3815 | "IFLA_PARENT_DEV_NAME" // linux v5.13+ 3816 | "IFLA_PARENT_DEV_BUS_NAME" // linux v5.13+ 3817 | "IFLA_GRO_MAX_SIZE" // linux v5.16+ 3818 | "IFLA_TSO_MAX_SIZE" // linux v5.18+ 3819 | "IFLA_TSO_MAX_SEGS" // linux v5.18+ 3820 | "IFLA_ALLMULTI" // linux v6.0+ 3821 | "MADV_DONTNEED_LOCKED" // linux v5.18+ 3822 => true, 3823 "SCTP_FUTURE_ASSOC" | "SCTP_CURRENT_ASSOC" | "SCTP_ALL_ASSOC" | "SCTP_PEER_ADDR_THLDS_V2" => true, // linux 5.5+ 3824 3825 // FIXME: Requires more recent kernel headers 3826 "HWTSTAMP_TX_ONESTEP_P2P" if musl => true, // linux v5.6+ 3827 3828 _ => false, 3829 } 3830 }); 3831 3832 cfg.skip_fn(move |name| { 3833 // skip those that are manually verified 3834 match name { 3835 // FIXME: https://github.com/rust-lang/libc/issues/1272 3836 "execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true, 3837 3838 // There are two versions of the sterror_r function, see 3839 // 3840 // https://linux.die.net/man/3/strerror_r 3841 // 3842 // An XSI-compliant version provided if: 3843 // 3844 // (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) 3845 // && ! _GNU_SOURCE 3846 // 3847 // and a GNU specific version provided if _GNU_SOURCE is defined. 3848 // 3849 // libc provides bindings for the XSI-compliant version, which is 3850 // preferred for portable applications. 3851 // 3852 // We skip the test here since here _GNU_SOURCE is defined, and 3853 // test the XSI version below. 3854 "strerror_r" => true, 3855 3856 // FIXME: Our API is unsound. The Rust API allows aliasing 3857 // pointers, but the C API requires pointers not to alias. 3858 // We should probably be at least using `&`/`&mut` here, see: 3859 // https://github.com/gnzlbg/ctest/issues/68 3860 "lio_listio" if musl => true, 3861 3862 // Needs glibc 2.34 or later. 3863 "posix_spawn_file_actions_addclosefrom_np" if gnu && sparc64 => true, 3864 // Needs glibc 2.35 or later. 3865 "posix_spawn_file_actions_addtcsetpgrp_np" if gnu && sparc64 => true, 3866 3867 // FIXME: Deprecated since glibc 2.30. Remove fn once upstream does. 3868 "sysctl" if gnu => true, 3869 3870 // FIXME: It now takes c_void instead of timezone since glibc 2.31. 3871 "gettimeofday" if gnu => true, 3872 3873 // These are all implemented as static inline functions in uclibc, so 3874 // they cannot be linked against. 3875 // If implementations are required, they might need to be implemented 3876 // in this crate. 3877 "posix_spawnattr_init" if uclibc => true, 3878 "posix_spawnattr_destroy" if uclibc => true, 3879 "posix_spawnattr_getsigdefault" if uclibc => true, 3880 "posix_spawnattr_setsigdefault" if uclibc => true, 3881 "posix_spawnattr_getsigmask" if uclibc => true, 3882 "posix_spawnattr_setsigmask" if uclibc => true, 3883 "posix_spawnattr_getflags" if uclibc => true, 3884 "posix_spawnattr_setflags" if uclibc => true, 3885 "posix_spawnattr_getpgroup" if uclibc => true, 3886 "posix_spawnattr_setpgroup" if uclibc => true, 3887 "posix_spawnattr_getschedpolicy" if uclibc => true, 3888 "posix_spawnattr_setschedpolicy" if uclibc => true, 3889 "posix_spawnattr_getschedparam" if uclibc => true, 3890 "posix_spawnattr_setschedparam" if uclibc => true, 3891 "posix_spawn_file_actions_init" if uclibc => true, 3892 "posix_spawn_file_actions_destroy" if uclibc => true, 3893 3894 // uclibc defines the flags type as a uint, but dependent crates 3895 // assume it's a int instead. 3896 "getnameinfo" if uclibc => true, 3897 3898 // FIXME: This needs musl 1.2.2 or later. 3899 "gettid" if musl => true, 3900 3901 // Needs glibc 2.33 or later. 3902 "mallinfo2" => true, 3903 3904 "reallocarray" if musl => true, 3905 3906 // Not defined in uclibc as of 1.0.34 3907 "gettid" if uclibc => true, 3908 3909 // Needs musl 1.2.3 or later. 3910 "pthread_getname_np" if musl => true, 3911 3912 // pthread_sigqueue uses sigval, which was initially declared 3913 // as a struct but should be defined as a union. However due 3914 // to the issues described here: https://github.com/rust-lang/libc/issues/2816 3915 // it can't be changed from struct. 3916 "pthread_sigqueue" => true, 3917 3918 // There are two versions of basename(3) on Linux with glibc, see 3919 // 3920 // https://man7.org/linux/man-pages/man3/basename.3.html 3921 // 3922 // If libgen.h is included, then the POSIX version will be available; 3923 // If _GNU_SOURCE is defined and string.h is included, then the GNU one 3924 // will be used. 3925 // 3926 // libc exposes both of them, providing a prefix to differentiate between 3927 // them. 3928 // 3929 // Because the name with prefix is not a valid symbol in C, we have to 3930 // skip the tests. 3931 "posix_basename" if gnu => true, 3932 "gnu_basename" if gnu => true, 3933 3934 _ => false, 3935 } 3936 }); 3937 3938 cfg.skip_field_type(move |struct_, field| { 3939 // This is a weird union, don't check the type. 3940 (struct_ == "ifaddrs" && field == "ifa_ifu") || 3941 // sighandler_t type is super weird 3942 (struct_ == "sigaction" && field == "sa_sigaction") || 3943 // __timeval type is a patch which doesn't exist in glibc 3944 (struct_ == "utmpx" && field == "ut_tv") || 3945 // sigval is actually a union, but we pretend it's a struct 3946 (struct_ == "sigevent" && field == "sigev_value") || 3947 // this one is an anonymous union 3948 (struct_ == "ff_effect" && field == "u") || 3949 // `__exit_status` type is a patch which is absent in musl 3950 (struct_ == "utmpx" && field == "ut_exit" && musl) || 3951 // `can_addr` is an anonymous union 3952 (struct_ == "sockaddr_can" && field == "can_addr") 3953 }); 3954 3955 cfg.volatile_item(|i| { 3956 use ctest::VolatileItemKind::*; 3957 match i { 3958 // aio_buf is a volatile void** but since we cannot express that in 3959 // Rust types, we have to explicitly tell the checker about it here: 3960 StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => true, 3961 _ => false, 3962 } 3963 }); 3964 3965 cfg.skip_field(move |struct_, field| { 3966 // this is actually a union on linux, so we can't represent it well and 3967 // just insert some padding. 3968 (struct_ == "siginfo_t" && field == "_pad") || 3969 // musl names this __dummy1 but it's still there 3970 (musl && struct_ == "glob_t" && field == "gl_flags") || 3971 // musl seems to define this as an *anonymous* bitfield 3972 (musl && struct_ == "statvfs" && field == "__f_unused") || 3973 // sigev_notify_thread_id is actually part of a sigev_un union 3974 (struct_ == "sigevent" && field == "sigev_notify_thread_id") || 3975 // signalfd had SIGSYS fields added in Linux 4.18, but no libc release 3976 // has them yet. 3977 (struct_ == "signalfd_siginfo" && (field == "ssi_addr_lsb" || 3978 field == "_pad2" || 3979 field == "ssi_syscall" || 3980 field == "ssi_call_addr" || 3981 field == "ssi_arch")) || 3982 // FIXME: After musl 1.1.24, it have only one field `sched_priority`, 3983 // while other fields become reserved. 3984 (struct_ == "sched_param" && [ 3985 "sched_ss_low_priority", 3986 "sched_ss_repl_period", 3987 "sched_ss_init_budget", 3988 "sched_ss_max_repl", 3989 ].contains(&field) && musl) || 3990 // FIXME: After musl 1.1.24, the type becomes `int` instead of `unsigned short`. 3991 (struct_ == "ipc_perm" && field == "__seq" && aarch64_musl) || 3992 // glibc uses unnamed fields here and Rust doesn't support that yet 3993 (struct_ == "timex" && field.starts_with("__unused")) || 3994 // FIXME: It now takes mode_t since glibc 2.31 on some targets. 3995 (struct_ == "ipc_perm" && field == "mode" 3996 && ((x86_64 || i686 || arm || riscv64) && gnu || x86_64_gnux32) 3997 ) || 3998 // the `u` field is in fact an anonymous union 3999 (gnu && struct_ == "ptrace_syscall_info" && (field == "u" || field == "pad")) || 4000 // the vregs field is a `__uint128_t` C's type. 4001 (struct_ == "user_fpsimd_struct" && field == "vregs") || 4002 // Linux >= 5.11 tweaked the `svm_zero` field of the `sockaddr_vm` struct. 4003 // https://github.com/torvalds/linux/commit/dc8eeef73b63ed8988224ba6b5ed19a615163a7f 4004 (struct_ == "sockaddr_vm" && field == "svm_zero") || 4005 // the `ifr_ifru` field is an anonymous union 4006 (struct_ == "ifreq" && field == "ifr_ifru") || 4007 // glibc uses a single array `uregs` instead of individual fields. 4008 (struct_ == "user_regs" && arm) 4009 }); 4010 4011 cfg.skip_roundtrip(move |s| match s { 4012 // FIXME: 4013 "utsname" if mips32 || mips64 => true, 4014 // FIXME: 4015 "mcontext_t" if s390x => true, 4016 // FIXME: This is actually a union. 4017 "fpreg_t" if s390x => true, 4018 4019 "sockaddr_un" | "sembuf" | "ff_constant_effect" if mips32 && (gnu || musl) => true, 4020 4021 // The test doesn't work on some env: 4022 "ipv6_mreq" 4023 | "ip_mreq_source" 4024 | "sockaddr_in6" 4025 | "sockaddr_ll" 4026 | "in_pktinfo" 4027 | "arpreq" 4028 | "arpreq_old" 4029 | "sockaddr_un" 4030 | "ff_constant_effect" 4031 | "ff_ramp_effect" 4032 | "ff_condition_effect" 4033 | "Elf32_Ehdr" 4034 | "Elf32_Chdr" 4035 | "ucred" 4036 | "in6_pktinfo" 4037 | "sockaddr_nl" 4038 | "termios" 4039 | "nlmsgerr" 4040 if (mips64 || sparc64) && gnu => 4041 { 4042 true 4043 } 4044 4045 // The `inotify_event` and `cmsghdr` types contain Flexible Array Member fields (the 4046 // `name` and `data` fields respectively) which have unspecified calling convention. 4047 // The roundtripping tests deliberately pass the structs by value to check "by value" 4048 // layout consistency, but this would be UB for the these types. 4049 "inotify_event" => true, 4050 "cmsghdr" => true, 4051 4052 // FIXME: the call ABI of max_align_t is incorrect on these platforms: 4053 "max_align_t" if i686 || mips64 || ppc64 => true, 4054 4055 _ => false, 4056 }); 4057 4058 cfg.generate("../src/lib.rs", "main.rs"); 4059 4060 test_linux_like_apis(target); 4061 } 4062 4063 // This function tests APIs that are incompatible to test when other APIs 4064 // are included (e.g. because including both sets of headers clashes) 4065 fn test_linux_like_apis(target: &str) { 4066 let gnu = target.contains("gnu"); 4067 let musl = target.contains("musl") || target.contains("ohos"); 4068 let linux = target.contains("linux"); 4069 let emscripten = target.contains("emscripten"); 4070 let android = target.contains("android"); 4071 assert!(linux || android || emscripten); 4072 4073 if linux || android || emscripten { 4074 // test strerror_r from the `string.h` header 4075 let mut cfg = ctest_cfg(); 4076 cfg.skip_type(|_| true).skip_static(|_| true); 4077 4078 headers! { cfg: "string.h" } 4079 cfg.skip_fn(|f| match f { 4080 "strerror_r" => false, 4081 _ => true, 4082 }) 4083 .skip_const(|_| true) 4084 .skip_struct(|_| true); 4085 cfg.generate("../src/lib.rs", "linux_strerror_r.rs"); 4086 } 4087 4088 if linux || android || emscripten { 4089 // test fcntl - see: 4090 // http://man7.org/linux/man-pages/man2/fcntl.2.html 4091 let mut cfg = ctest_cfg(); 4092 4093 if musl { 4094 cfg.header("fcntl.h"); 4095 } else { 4096 cfg.header("linux/fcntl.h"); 4097 } 4098 4099 cfg.skip_type(|_| true) 4100 .skip_static(|_| true) 4101 .skip_struct(|_| true) 4102 .skip_fn(|_| true) 4103 .skip_const(move |name| match name { 4104 // test fcntl constants: 4105 "F_CANCELLK" | "F_ADD_SEALS" | "F_GET_SEALS" | "F_SEAL_SEAL" | "F_SEAL_SHRINK" 4106 | "F_SEAL_GROW" | "F_SEAL_WRITE" => false, 4107 _ => true, 4108 }) 4109 .type_name(move |ty, is_struct, is_union| match ty { 4110 t if is_struct => format!("struct {}", t), 4111 t if is_union => format!("union {}", t), 4112 t => t.to_string(), 4113 }); 4114 4115 cfg.generate("../src/lib.rs", "linux_fcntl.rs"); 4116 } 4117 4118 if linux || android { 4119 // test termios 4120 let mut cfg = ctest_cfg(); 4121 cfg.header("asm/termbits.h"); 4122 cfg.header("linux/termios.h"); 4123 cfg.skip_type(|_| true) 4124 .skip_static(|_| true) 4125 .skip_fn(|_| true) 4126 .skip_const(|c| match c { 4127 "BOTHER" | "IBSHIFT" => false, 4128 "TCGETS2" | "TCSETS2" | "TCSETSW2" | "TCSETSF2" => false, 4129 _ => true, 4130 }) 4131 .skip_struct(|s| s != "termios2") 4132 .type_name(move |ty, is_struct, is_union| match ty { 4133 "Ioctl" if gnu => "unsigned long".to_string(), 4134 "Ioctl" => "int".to_string(), 4135 t if is_struct => format!("struct {}", t), 4136 t if is_union => format!("union {}", t), 4137 t => t.to_string(), 4138 }); 4139 cfg.generate("../src/lib.rs", "linux_termios.rs"); 4140 } 4141 4142 if linux || android { 4143 // test IPV6_ constants: 4144 let mut cfg = ctest_cfg(); 4145 headers! { 4146 cfg: 4147 "linux/in6.h" 4148 } 4149 cfg.skip_type(|_| true) 4150 .skip_static(|_| true) 4151 .skip_fn(|_| true) 4152 .skip_const(|_| true) 4153 .skip_struct(|_| true) 4154 .skip_const(move |name| match name { 4155 "IPV6_FLOWINFO" 4156 | "IPV6_FLOWLABEL_MGR" 4157 | "IPV6_FLOWINFO_SEND" 4158 | "IPV6_FLOWINFO_FLOWLABEL" 4159 | "IPV6_FLOWINFO_PRIORITY" => false, 4160 _ => true, 4161 }) 4162 .type_name(move |ty, is_struct, is_union| match ty { 4163 t if is_struct => format!("struct {}", t), 4164 t if is_union => format!("union {}", t), 4165 t => t.to_string(), 4166 }); 4167 cfg.generate("../src/lib.rs", "linux_ipv6.rs"); 4168 } 4169 4170 if linux || android { 4171 // Test Elf64_Phdr and Elf32_Phdr 4172 // These types have a field called `p_type`, but including 4173 // "resolve.h" defines a `p_type` macro that expands to `__p_type` 4174 // making the tests for these fails when both are included. 4175 let mut cfg = ctest_cfg(); 4176 cfg.header("elf.h"); 4177 cfg.skip_fn(|_| true) 4178 .skip_static(|_| true) 4179 .skip_const(|_| true) 4180 .type_name(move |ty, _is_struct, _is_union| ty.to_string()) 4181 .skip_struct(move |ty| match ty { 4182 "Elf64_Phdr" | "Elf32_Phdr" => false, 4183 _ => true, 4184 }) 4185 .skip_type(move |ty| match ty { 4186 "Elf64_Phdr" | "Elf32_Phdr" => false, 4187 _ => true, 4188 }); 4189 cfg.generate("../src/lib.rs", "linux_elf.rs"); 4190 } 4191 4192 if linux || android { 4193 // Test `ARPHRD_CAN`. 4194 let mut cfg = ctest_cfg(); 4195 cfg.header("linux/if_arp.h"); 4196 cfg.skip_fn(|_| true) 4197 .skip_static(|_| true) 4198 .skip_const(move |name| match name { 4199 "ARPHRD_CAN" => false, 4200 _ => true, 4201 }) 4202 .skip_struct(|_| true) 4203 .skip_type(|_| true); 4204 cfg.generate("../src/lib.rs", "linux_if_arp.rs"); 4205 } 4206 } 4207 4208 fn which_freebsd() -> Option<i32> { 4209 let output = std::process::Command::new("freebsd-version") 4210 .output() 4211 .ok()?; 4212 if !output.status.success() { 4213 return None; 4214 } 4215 4216 let stdout = String::from_utf8(output.stdout).ok()?; 4217 4218 match &stdout { 4219 s if s.starts_with("10") => Some(10), 4220 s if s.starts_with("11") => Some(11), 4221 s if s.starts_with("12") => Some(12), 4222 s if s.starts_with("13") => Some(13), 4223 s if s.starts_with("14") => Some(14), 4224 _ => None, 4225 } 4226 } 4227 4228 fn test_haiku(target: &str) { 4229 assert!(target.contains("haiku")); 4230 4231 let mut cfg = ctest_cfg(); 4232 cfg.flag("-Wno-deprecated-declarations"); 4233 cfg.define("__USE_GNU", Some("1")); 4234 cfg.define("_GNU_SOURCE", None); 4235 cfg.language(ctest::Lang::CXX); 4236 4237 // POSIX API 4238 headers! { cfg: 4239 "alloca.h", 4240 "arpa/inet.h", 4241 "arpa/nameser.h", 4242 "arpa/nameser_compat.h", 4243 "assert.h", 4244 "complex.h", 4245 "ctype.h", 4246 "dirent.h", 4247 "div_t.h", 4248 "dlfcn.h", 4249 "endian.h", 4250 "errno.h", 4251 "fcntl.h", 4252 "fenv.h", 4253 "fnmatch.h", 4254 "fts.h", 4255 "ftw.h", 4256 "getopt.h", 4257 "glob.h", 4258 "grp.h", 4259 "inttypes.h", 4260 "iovec.h", 4261 "langinfo.h", 4262 "libgen.h", 4263 "libio.h", 4264 "limits.h", 4265 "locale.h", 4266 "malloc.h", 4267 "malloc_debug.h", 4268 "math.h", 4269 "memory.h", 4270 "monetary.h", 4271 "net/if.h", 4272 "net/if_dl.h", 4273 "net/if_media.h", 4274 "net/if_tun.h", 4275 "net/if_types.h", 4276 "net/route.h", 4277 "netdb.h", 4278 "netinet/in.h", 4279 "netinet/ip.h", 4280 "netinet/ip6.h", 4281 "netinet/ip_icmp.h", 4282 "netinet/ip_var.h", 4283 "netinet/tcp.h", 4284 "netinet/udp.h", 4285 "netinet6/in6.h", 4286 "nl_types.h", 4287 "null.h", 4288 "poll.h", 4289 "pthread.h", 4290 "pwd.h", 4291 "regex.h", 4292 "resolv.h", 4293 "sched.h", 4294 "search.h", 4295 "semaphore.h", 4296 "setjmp.h", 4297 "shadow.h", 4298 "signal.h", 4299 "size_t.h", 4300 "spawn.h", 4301 "stdint.h", 4302 "stdio.h", 4303 "stdlib.h", 4304 "string.h", 4305 "strings.h", 4306 "sys/cdefs.h", 4307 "sys/file.h", 4308 "sys/ioctl.h", 4309 "sys/ipc.h", 4310 "sys/mman.h", 4311 "sys/msg.h", 4312 "sys/param.h", 4313 "sys/poll.h", 4314 "sys/resource.h", 4315 "sys/select.h", 4316 "sys/sem.h", 4317 "sys/socket.h", 4318 "sys/sockio.h", 4319 "sys/stat.h", 4320 "sys/statvfs.h", 4321 "sys/time.h", 4322 "sys/timeb.h", 4323 "sys/times.h", 4324 "sys/types.h", 4325 "sys/uio.h", 4326 "sys/un.h", 4327 "sys/utsname.h", 4328 "sys/wait.h", 4329 "syslog.h", 4330 "tar.h", 4331 "termios.h", 4332 "time.h", 4333 "uchar.h", 4334 "unistd.h", 4335 "utime.h", 4336 "utmpx.h", 4337 "wchar.h", 4338 "wchar_t.h", 4339 "wctype.h" 4340 } 4341 4342 // BSD Extensions 4343 headers! { cfg: 4344 "ifaddrs.h", 4345 "libutil.h", 4346 "link.h", 4347 "pty.h", 4348 "stringlist.h", 4349 "sys/link_elf.h", 4350 } 4351 4352 // Native API 4353 headers! { cfg: 4354 "kernel/OS.h", 4355 "kernel/fs_attr.h", 4356 "kernel/fs_index.h", 4357 "kernel/fs_info.h", 4358 "kernel/fs_query.h", 4359 "kernel/fs_volume.h", 4360 "kernel/image.h", 4361 "kernel/scheduler.h", 4362 "storage/FindDirectory.h", 4363 "storage/StorageDefs.h", 4364 "support/Errors.h", 4365 "support/SupportDefs.h", 4366 "support/TypeConstants.h" 4367 } 4368 4369 cfg.skip_struct(move |ty| { 4370 if ty.starts_with("__c_anonymous_") { 4371 return true; 4372 } 4373 match ty { 4374 // FIXME: actually a union 4375 "sigval" => true, 4376 // FIXME: locale_t does not exist on Haiku 4377 "locale_t" => true, 4378 // FIXME: rusage has a different layout on Haiku 4379 "rusage" => true, 4380 // FIXME?: complains that rust aligns on 4 byte boundary, but 4381 // Haiku does not align it at all. 4382 "in6_addr" => true, 4383 // The d_name attribute is an array of 1 on Haiku, with the 4384 // intention that the developer allocates a larger or smaller 4385 // piece of memory depending on the expected/actual size of the name. 4386 // Other platforms have sensible defaults. In Rust, the d_name field 4387 // is sized as the _POSIX_MAX_PATH, so that path names will fit in 4388 // newly allocated dirent objects. This breaks the automated tests. 4389 "dirent" => true, 4390 // The following structs contain function pointers, which cannot be initialized 4391 // with mem::zeroed(), so skip the automated test 4392 "image_info" | "thread_info" => true, 4393 4394 "Elf64_Phdr" => true, 4395 4396 // is an union 4397 "cpuid_info" => true, 4398 4399 _ => false, 4400 } 4401 }); 4402 4403 cfg.skip_type(move |ty| { 4404 match ty { 4405 // FIXME: locale_t does not exist on Haiku 4406 "locale_t" => true, 4407 // These cause errors, to be reviewed in the future 4408 "sighandler_t" => true, 4409 "pthread_t" => true, 4410 "pthread_condattr_t" => true, 4411 "pthread_mutexattr_t" => true, 4412 "pthread_rwlockattr_t" => true, 4413 _ => false, 4414 } 4415 }); 4416 4417 cfg.skip_fn(move |name| { 4418 // skip those that are manually verified 4419 match name { 4420 // FIXME: https://github.com/rust-lang/libc/issues/1272 4421 "execv" | "execve" | "execvp" | "execvpe" => true, 4422 // FIXME: does not exist on haiku 4423 "open_wmemstream" => true, 4424 "mlockall" | "munlockall" => true, 4425 "tcgetsid" => true, 4426 "cfsetspeed" => true, 4427 // ignore for now, will be part of Haiku R1 beta 3 4428 "mlock" | "munlock" => true, 4429 // returns const char * on Haiku 4430 "strsignal" => true, 4431 // uses an enum as a parameter argument, which is incorrectly 4432 // translated into a struct argument 4433 "find_path" => true, 4434 4435 "get_cpuid" => true, 4436 4437 // uses varargs parameter 4438 "ioctl" => true, 4439 4440 _ => false, 4441 } 4442 }); 4443 4444 cfg.skip_const(move |name| { 4445 match name { 4446 // FIXME: these constants do not exist on Haiku 4447 "DT_UNKNOWN" | "DT_FIFO" | "DT_CHR" | "DT_DIR" | "DT_BLK" | "DT_REG" | "DT_LNK" 4448 | "DT_SOCK" => true, 4449 "USRQUOTA" | "GRPQUOTA" => true, 4450 "SIGIOT" => true, 4451 "ARPOP_REQUEST" | "ARPOP_REPLY" | "ATF_COM" | "ATF_PERM" | "ATF_PUBL" 4452 | "ATF_USETRAILERS" => true, 4453 // Haiku does not have MAP_FILE, but rustc requires it 4454 "MAP_FILE" => true, 4455 // The following does not exist on Haiku but is required by 4456 // several crates 4457 "FIOCLEX" => true, 4458 // just skip this one, it is not defined on Haiku beta 2 but 4459 // since it is meant as a mask and not a parameter it can exist 4460 // here 4461 "LOG_PRIMASK" => true, 4462 // not defined on Haiku, but [get|set]priority is, so they are 4463 // useful 4464 "PRIO_MIN" | "PRIO_MAX" => true, 4465 // 4466 _ => false, 4467 } 4468 }); 4469 4470 cfg.skip_field(move |struct_, field| { 4471 match (struct_, field) { 4472 // FIXME: the stat struct actually has timespec members, whereas 4473 // the current representation has these unpacked. 4474 ("stat", "st_atime") => true, 4475 ("stat", "st_atime_nsec") => true, 4476 ("stat", "st_mtime") => true, 4477 ("stat", "st_mtime_nsec") => true, 4478 ("stat", "st_ctime") => true, 4479 ("stat", "st_ctime_nsec") => true, 4480 ("stat", "st_crtime") => true, 4481 ("stat", "st_crtime_nsec") => true, 4482 4483 // these are actually unions, but we cannot represent it well 4484 ("siginfo_t", "sigval") => true, 4485 ("sem_t", "named_sem_id") => true, 4486 ("sigaction", "sa_sigaction") => true, 4487 ("sigevent", "sigev_value") => true, 4488 ("fpu_state", "_fpreg") => true, 4489 // these fields have a simplified data definition in libc 4490 ("fpu_state", "_xmm") => true, 4491 ("savefpu", "_fp_ymm") => true, 4492 4493 // skip these enum-type fields 4494 ("thread_info", "state") => true, 4495 ("image_info", "image_type") => true, 4496 _ => false, 4497 } 4498 }); 4499 4500 cfg.skip_roundtrip(move |s| match s { 4501 // FIXME: for some reason the roundtrip check fails for cpu_info 4502 "cpu_info" => true, 4503 _ => false, 4504 }); 4505 4506 cfg.type_name(move |ty, is_struct, is_union| { 4507 match ty { 4508 // Just pass all these through, no need for a "struct" prefix 4509 "area_info" | "port_info" | "port_message_info" | "team_info" | "sem_info" 4510 | "team_usage_info" | "thread_info" | "cpu_info" | "system_info" 4511 | "object_wait_info" | "image_info" | "attr_info" | "index_info" | "fs_info" 4512 | "FILE" | "DIR" | "Dl_info" => ty.to_string(), 4513 4514 // enums don't need a prefix 4515 "directory_which" | "path_base_directory" => ty.to_string(), 4516 4517 // is actually a union 4518 "sigval" => format!("union sigval"), 4519 t if is_union => format!("union {}", t), 4520 t if t.ends_with("_t") => t.to_string(), 4521 t if is_struct => format!("struct {}", t), 4522 t => t.to_string(), 4523 } 4524 }); 4525 4526 cfg.field_name(move |struct_, field| { 4527 match field { 4528 // Field is named `type` in C but that is a Rust keyword, 4529 // so these fields are translated to `type_` in the bindings. 4530 "type_" if struct_ == "object_wait_info" => "type".to_string(), 4531 "type_" if struct_ == "sem_t" => "type".to_string(), 4532 "type_" if struct_ == "attr_info" => "type".to_string(), 4533 "type_" if struct_ == "index_info" => "type".to_string(), 4534 "image_type" if struct_ == "image_info" => "type".to_string(), 4535 s => s.to_string(), 4536 } 4537 }); 4538 cfg.generate("../src/lib.rs", "main.rs"); 4539 } 4540