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.clone().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 _ => false, 1885 } 1886 }); 1887 1888 cfg.skip_field_type(move |struct_, field| { 1889 // This is a weird union, don't check the type. 1890 (struct_ == "ifaddrs" && field == "ifa_ifu") || 1891 // sigval is actually a union, but we pretend it's a struct 1892 (struct_ == "sigevent" && field == "sigev_value") || 1893 // this one is an anonymous union 1894 (struct_ == "ff_effect" && field == "u") || 1895 // FIXME: `sa_sigaction` has type `sighandler_t` but that type is 1896 // incorrect, see: https://github.com/rust-lang/libc/issues/1359 1897 (struct_ == "sigaction" && field == "sa_sigaction") || 1898 // signalfd had SIGSYS fields added in Android 4.19, but CI does not have that version yet. 1899 (struct_ == "signalfd_siginfo" && field == "ssi_call_addr") 1900 }); 1901 1902 cfg.skip_field(move |struct_, field| { 1903 // this is actually a union on linux, so we can't represent it well and 1904 // just insert some padding. 1905 (struct_ == "siginfo_t" && field == "_pad") || 1906 // FIXME: `sa_sigaction` has type `sighandler_t` but that type is 1907 // incorrect, see: https://github.com/rust-lang/libc/issues/1359 1908 (struct_ == "sigaction" && field == "sa_sigaction") || 1909 // sigev_notify_thread_id is actually part of a sigev_un union 1910 (struct_ == "sigevent" && field == "sigev_notify_thread_id") || 1911 // signalfd had SIGSYS fields added in Android 4.19, but CI does not have that version yet. 1912 (struct_ == "signalfd_siginfo" && (field == "ssi_syscall" || 1913 field == "ssi_call_addr" || 1914 field == "ssi_arch")) 1915 }); 1916 1917 cfg.skip_field(|struct_, field| { 1918 match (struct_, field) { 1919 // conflicting with `p_type` macro from <resolve.h>. 1920 ("Elf32_Phdr", "p_type") => true, 1921 ("Elf64_Phdr", "p_type") => true, 1922 1923 // this is actually a union on linux, so we can't represent it well and 1924 // just insert some padding. 1925 ("siginfo_t", "_pad") => true, 1926 1927 _ => false, 1928 } 1929 }); 1930 1931 cfg.generate("../src/lib.rs", "main.rs"); 1932 1933 test_linux_like_apis(target); 1934 } 1935 1936 fn test_freebsd(target: &str) { 1937 assert!(target.contains("freebsd")); 1938 let mut cfg = ctest_cfg(); 1939 1940 let freebsd_ver = which_freebsd(); 1941 1942 match freebsd_ver { 1943 Some(12) => cfg.cfg("freebsd12", None), 1944 Some(13) => cfg.cfg("freebsd13", None), 1945 Some(14) => cfg.cfg("freebsd14", None), 1946 _ => &mut cfg, 1947 }; 1948 1949 // For sched linux compat fn 1950 cfg.define("_WITH_CPU_SET_T", None); 1951 // Required for `getline`: 1952 cfg.define("_WITH_GETLINE", None); 1953 // Required for making freebsd11_stat available in the headers 1954 cfg.define("_WANT_FREEBSD11_STAT", None); 1955 1956 let freebsd13 = match freebsd_ver { 1957 Some(n) if n >= 13 => true, 1958 _ => false, 1959 }; 1960 1961 headers! { cfg: 1962 "aio.h", 1963 "arpa/inet.h", 1964 "bsm/audit.h", 1965 "ctype.h", 1966 "dirent.h", 1967 "dlfcn.h", 1968 "elf.h", 1969 "errno.h", 1970 "execinfo.h", 1971 "fcntl.h", 1972 "getopt.h", 1973 "glob.h", 1974 "grp.h", 1975 "iconv.h", 1976 "ifaddrs.h", 1977 "kenv.h", 1978 "langinfo.h", 1979 "libgen.h", 1980 "libutil.h", 1981 "limits.h", 1982 "link.h", 1983 "locale.h", 1984 "machine/elf.h", 1985 "machine/reg.h", 1986 "malloc_np.h", 1987 "memstat.h", 1988 "mqueue.h", 1989 "net/bpf.h", 1990 "net/if.h", 1991 "net/if_arp.h", 1992 "net/if_dl.h", 1993 "net/if_mib.h", 1994 "net/route.h", 1995 "netdb.h", 1996 "netinet/ip.h", 1997 "netinet/in.h", 1998 "netinet/sctp.h", 1999 "netinet/tcp.h", 2000 "netinet/udp.h", 2001 "poll.h", 2002 "pthread.h", 2003 "pthread_np.h", 2004 "pwd.h", 2005 "regex.h", 2006 "resolv.h", 2007 "sched.h", 2008 "semaphore.h", 2009 "signal.h", 2010 "spawn.h", 2011 "stddef.h", 2012 "stdint.h", 2013 "stdio.h", 2014 "stdlib.h", 2015 "string.h", 2016 "sys/capsicum.h", 2017 "sys/auxv.h", 2018 "sys/cpuset.h", 2019 "sys/domainset.h", 2020 "sys/eui64.h", 2021 "sys/event.h", 2022 [freebsd13]:"sys/eventfd.h", 2023 "sys/extattr.h", 2024 "sys/file.h", 2025 "sys/ioctl.h", 2026 "sys/ipc.h", 2027 "sys/jail.h", 2028 "sys/mman.h", 2029 "sys/mount.h", 2030 "sys/msg.h", 2031 "sys/procctl.h", 2032 "sys/procdesc.h", 2033 "sys/ptrace.h", 2034 "sys/queue.h", 2035 "sys/random.h", 2036 "sys/reboot.h", 2037 "sys/resource.h", 2038 "sys/rtprio.h", 2039 "sys/sem.h", 2040 "sys/shm.h", 2041 "sys/socket.h", 2042 "sys/stat.h", 2043 "sys/statvfs.h", 2044 "sys/sysctl.h", 2045 "sys/thr.h", 2046 "sys/time.h", 2047 "sys/times.h", 2048 "sys/timex.h", 2049 "sys/types.h", 2050 "sys/proc.h", 2051 "kvm.h", // must be after "sys/types.h" 2052 "sys/ucontext.h", 2053 "sys/uio.h", 2054 "sys/ktrace.h", 2055 "sys/umtx.h", 2056 "sys/un.h", 2057 "sys/user.h", 2058 "sys/utsname.h", 2059 "sys/uuid.h", 2060 "sys/vmmeter.h", 2061 "sys/wait.h", 2062 "libprocstat.h", 2063 "devstat.h", 2064 "syslog.h", 2065 "termios.h", 2066 "time.h", 2067 "ufs/ufs/quota.h", 2068 "unistd.h", 2069 "utime.h", 2070 "utmpx.h", 2071 "wchar.h", 2072 } 2073 2074 cfg.type_name(move |ty, is_struct, is_union| { 2075 match ty { 2076 // Just pass all these through, no need for a "struct" prefix 2077 "FILE" 2078 | "fd_set" 2079 | "Dl_info" 2080 | "DIR" 2081 | "Elf32_Phdr" 2082 | "Elf64_Phdr" 2083 | "Elf32_Auxinfo" 2084 | "Elf64_Auxinfo" 2085 | "devstat_select_mode" 2086 | "devstat_support_flags" 2087 | "devstat_type_flags" 2088 | "devstat_match_flags" 2089 | "devstat_priority" => ty.to_string(), 2090 2091 // FIXME: https://github.com/rust-lang/libc/issues/1273 2092 "sighandler_t" => "sig_t".to_string(), 2093 2094 t if is_union => format!("union {}", t), 2095 2096 t if t.ends_with("_t") => t.to_string(), 2097 2098 // sigval is a struct in Rust, but a union in C: 2099 "sigval" => format!("union sigval"), 2100 2101 // put `struct` in front of all structs:. 2102 t if is_struct => format!("struct {}", t), 2103 2104 t => t.to_string(), 2105 } 2106 }); 2107 2108 cfg.field_name(move |struct_, field| { 2109 match field { 2110 // Our stat *_nsec fields normally don't actually exist but are part 2111 // of a timeval struct 2112 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 2113 s.replace("e_nsec", ".tv_nsec") 2114 } 2115 // Field is named `type` in C but that is a Rust keyword, 2116 // so these fields are translated to `type_` in the bindings. 2117 "type_" if struct_ == "rtprio" => "type".to_string(), 2118 "type_" if struct_ == "sockstat" => "type".to_string(), 2119 "type_" if struct_ == "devstat_match_table" => "type".to_string(), 2120 s => s.to_string(), 2121 } 2122 }); 2123 2124 cfg.skip_const(move |name| { 2125 match name { 2126 // These constants were introduced in FreeBSD 13: 2127 "F_ADD_SEALS" | "F_GET_SEALS" | "F_SEAL_SEAL" | "F_SEAL_SHRINK" | "F_SEAL_GROW" 2128 | "F_SEAL_WRITE" 2129 if Some(13) > freebsd_ver => 2130 { 2131 true 2132 } 2133 2134 // These constants were introduced in FreeBSD 13: 2135 "EFD_CLOEXEC" | "EFD_NONBLOCK" | "EFD_SEMAPHORE" if Some(13) > freebsd_ver => true, 2136 2137 // These constants were introduced in FreeBSD 12: 2138 "AT_RESOLVE_BENEATH" | "O_RESOLVE_BENEATH" if Some(12) > freebsd_ver => true, 2139 2140 // These constants were introduced in FreeBSD 13: 2141 "O_DSYNC" | "O_PATH" | "O_EMPTY_PATH" | "AT_EMPTY_PATH" if Some(13) > freebsd_ver => { 2142 true 2143 } 2144 2145 // These aliases were introduced in FreeBSD 13: 2146 // (note however that the constants themselves work on any version) 2147 "CLOCK_BOOTTIME" | "CLOCK_REALTIME_COARSE" | "CLOCK_MONOTONIC_COARSE" 2148 if Some(13) > freebsd_ver => 2149 { 2150 true 2151 } 2152 2153 // FIXME: These are deprecated - remove in a couple of releases. 2154 // These constants were removed in FreeBSD 11 (svn r273250) but will 2155 // still be accepted and ignored at runtime. 2156 "MAP_RENAME" | "MAP_NORESERVE" => true, 2157 2158 // FIXME: These are deprecated - remove in a couple of releases. 2159 // These constants were removed in FreeBSD 11 (svn r262489), 2160 // and they've never had any legitimate use outside of the 2161 // base system anyway. 2162 "CTL_MAXID" | "KERN_MAXID" | "HW_MAXID" | "USER_MAXID" => true, 2163 2164 // FIXME: This is deprecated - remove in a couple of releases. 2165 // This was removed in FreeBSD 14 (git 1b4701fe1e8) and never 2166 // should've been used anywhere anyway. 2167 "TDF_UNUSED23" => true, 2168 2169 // FIXME: These are deprecated - remove in a couple of releases. 2170 // These symbols are not stable across OS-versions. They were 2171 // changed for FreeBSD 14 in git revisions b62848b0c3f and 2172 // 2cf7870864e. 2173 "PRI_MAX_ITHD" | "PRI_MIN_REALTIME" | "PRI_MAX_REALTIME" | "PRI_MIN_KERN" 2174 | "PRI_MAX_KERN" | "PSWP" | "PVM" | "PINOD" | "PRIBIO" | "PVFS" | "PZERO" | "PSOCK" 2175 | "PWAIT" | "PLOCK" | "PPAUSE" | "PRI_MIN_TIMESHARE" | "PUSER" | "PI_AV" | "PI_NET" 2176 | "PI_DISK" | "PI_TTY" | "PI_DULL" | "PI_SOFT" => true, 2177 2178 // This symbol changed in FreeBSD 14 (git 051e7d78b03), but the new 2179 // version should be safe to use on older releases. 2180 "IFCAP_CANTCHANGE" => true, 2181 2182 // These were removed in FreeBSD 14 (git c6d31b8306e) 2183 "TDF_ASTPENDING" | "TDF_NEEDSUSPCHK" | "TDF_NEEDRESCHED" | "TDF_NEEDSIGCHK" 2184 | "TDF_ALRMPEND" | "TDF_PROFPEND" | "TDF_MACPEND" => true, 2185 2186 // This constant was removed in FreeBSD 13 (svn r363622), and never 2187 // had any legitimate use outside of the base system anyway. 2188 "CTL_P1003_1B_MAXID" => true, 2189 2190 // This was renamed in FreeBSD 12.2 and 13 (r352486). 2191 "CTL_UNSPEC" | "CTL_SYSCTL" => true, 2192 2193 // This was renamed in FreeBSD 12.2 and 13 (r350749). 2194 "IPPROTO_SEP" | "IPPROTO_DCCP" => true, 2195 2196 // This was changed to 96(0x60) in FreeBSD 13: 2197 // https://github.com/freebsd/freebsd/ 2198 // commit/06b00ceaa914a3907e4e27bad924f44612bae1d7 2199 "MINCORE_SUPER" if Some(13) <= freebsd_ver => true, 2200 2201 // Added in FreeBSD 13.0 (r356667) 2202 "GRND_INSECURE" if Some(13) > freebsd_ver => true, 2203 2204 // Added in FreeBSD 13.0 (r349609) 2205 "PROC_PROTMAX_CTL" 2206 | "PROC_PROTMAX_STATUS" 2207 | "PROC_PROTMAX_FORCE_ENABLE" 2208 | "PROC_PROTMAX_FORCE_DISABLE" 2209 | "PROC_PROTMAX_NOFORCE" 2210 | "PROC_PROTMAX_ACTIVE" 2211 | "PROC_NO_NEW_PRIVS_CTL" 2212 | "PROC_NO_NEW_PRIVS_STATUS" 2213 | "PROC_NO_NEW_PRIVS_ENABLE" 2214 | "PROC_NO_NEW_PRIVS_DISABLE" 2215 | "PROC_WXMAP_CTL" 2216 | "PROC_WXMAP_STATUS" 2217 | "PROC_WX_MAPPINGS_PERMIT" 2218 | "PROC_WX_MAPPINGS_DISALLOW_EXEC" 2219 | "PROC_WXORX_ENFORCE" 2220 if Some(13) > freebsd_ver => 2221 { 2222 true 2223 } 2224 2225 // Added in in FreeBSD 13.0 (r367776 and r367287) 2226 "SCM_CREDS2" | "LOCAL_CREDS_PERSISTENT" if Some(13) > freebsd_ver => true, 2227 2228 // Added in FreeBSD 14 2229 "SPACECTL_DEALLOC" if Some(14) > freebsd_ver => true, 2230 2231 // Added in FreeBSD 13. 2232 "KERN_PROC_SIGFASTBLK" 2233 | "USER_LOCALBASE" 2234 | "TDP_SIGFASTBLOCK" 2235 | "TDP_UIOHELD" 2236 | "TDP_SIGFASTPENDING" 2237 | "TDP2_COMPAT32RB" 2238 | "P2_PROTMAX_ENABLE" 2239 | "P2_PROTMAX_DISABLE" 2240 | "CTLFLAG_NEEDGIANT" 2241 | "CTL_SYSCTL_NEXTNOSKIP" 2242 if Some(13) > freebsd_ver => 2243 { 2244 true 2245 } 2246 2247 // Added in freebsd 14. 2248 "IFCAP_MEXTPG" if Some(14) > freebsd_ver => true, 2249 // Added in freebsd 13. 2250 "IFF_KNOWSEPOCH" | "IFCAP_TXTLS4" | "IFCAP_TXTLS6" | "IFCAP_VXLAN_HWCSUM" 2251 | "IFCAP_VXLAN_HWTSO" | "IFCAP_TXTLS_RTLMT" | "IFCAP_TXTLS" 2252 if Some(13) > freebsd_ver => 2253 { 2254 true 2255 } 2256 // Added in FreeBSD 13. 2257 "PS_FST_TYPE_EVENTFD" if Some(13) > freebsd_ver => true, 2258 2259 // Added in FreeBSD 14. 2260 "MNT_RECURSE" | "MNT_DEFERRED" if Some(14) > freebsd_ver => true, 2261 2262 // Added in FreeBSD 13. 2263 "MNT_EXTLS" | "MNT_EXTLSCERT" | "MNT_EXTLSCERTUSER" | "MNT_NOCOVER" 2264 | "MNT_EMPTYDIR" 2265 if Some(13) > freebsd_ver => 2266 { 2267 true 2268 } 2269 2270 // Added in FreeBSD 14. 2271 "PT_COREDUMP" | "PC_ALL" | "PC_COMPRESS" | "PT_GETREGSET" | "PT_SETREGSET" 2272 | "PT_SC_REMOTE" 2273 if Some(14) > freebsd_ver => 2274 { 2275 true 2276 } 2277 2278 // Added in FreeBSD 14. 2279 "F_KINFO" => true, // FIXME: depends how frequent freebsd 14 is updated on CI, this addition went this week only. 2280 "SHM_RENAME_NOREPLACE" 2281 | "SHM_RENAME_EXCHANGE" 2282 | "SHM_LARGEPAGE_ALLOC_DEFAULT" 2283 | "SHM_LARGEPAGE_ALLOC_NOWAIT" 2284 | "SHM_LARGEPAGE_ALLOC_HARD" 2285 | "MFD_CLOEXEC" 2286 | "MFD_ALLOW_SEALING" 2287 | "MFD_HUGETLB" 2288 | "MFD_HUGE_MASK" 2289 | "MFD_HUGE_64KB" 2290 | "MFD_HUGE_512KB" 2291 | "MFD_HUGE_1MB" 2292 | "MFD_HUGE_2MB" 2293 | "MFD_HUGE_8MB" 2294 | "MFD_HUGE_16MB" 2295 | "MFD_HUGE_32MB" 2296 | "MFD_HUGE_256MB" 2297 | "MFD_HUGE_512MB" 2298 | "MFD_HUGE_1GB" 2299 | "MFD_HUGE_2GB" 2300 | "MFD_HUGE_16GB" 2301 if Some(13) > freebsd_ver => 2302 { 2303 true 2304 } 2305 2306 // Flags introduced in FreeBSD 14. 2307 "TCP_MAXUNACKTIME" 2308 | "TCP_MAXPEAKRATE" 2309 | "TCP_IDLE_REDUCE" 2310 | "TCP_REMOTE_UDP_ENCAPS_PORT" 2311 | "TCP_DELACK" 2312 | "TCP_FIN_IS_RST" 2313 | "TCP_LOG_LIMIT" 2314 | "TCP_SHARED_CWND_ALLOWED" 2315 | "TCP_PROC_ACCOUNTING" 2316 | "TCP_USE_CMP_ACKS" 2317 | "TCP_PERF_INFO" 2318 | "TCP_LRD" 2319 if Some(14) > freebsd_ver => 2320 { 2321 true 2322 } 2323 2324 // Added in FreeBSD 14 2325 "LIO_READV" | "LIO_WRITEV" | "LIO_VECTORED" if Some(14) > freebsd_ver => true, 2326 2327 // Added in FreeBSD 13 2328 "FIOSSHMLPGCNF" if Some(13) > freebsd_ver => true, 2329 2330 // Added in FreeBSD 14 2331 "IFCAP_NV" if Some(14) > freebsd_ver => true, 2332 2333 // FIXME: Removed in https://reviews.freebsd.org/D38574 and https://reviews.freebsd.org/D38822 2334 // We maybe should deprecate them once a stable release ships them. 2335 "IP_BINDMULTI" | "IP_RSS_LISTEN_BUCKET" => true, 2336 2337 // FIXME: Removed in https://reviews.freebsd.org/D39127. 2338 "KERN_VNODE" => true, 2339 2340 // Added in FreeBSD 14 2341 "EV_KEEPUDATA" if Some(14) > freebsd_ver => true, 2342 2343 // Added in FreeBSD 13.2 2344 "AT_USRSTACKBASE" | "AT_USRSTACKLIM" if Some(13) > freebsd_ver => true, 2345 2346 _ => false, 2347 } 2348 }); 2349 2350 cfg.skip_type(move |ty| { 2351 match ty { 2352 // the struct "__kvm" is quite tricky to bind so since we only use a pointer to it 2353 // for now, it doesn't matter too much... 2354 "kvm_t" => true, 2355 2356 _ => false, 2357 } 2358 }); 2359 2360 cfg.skip_struct(move |ty| { 2361 if ty.starts_with("__c_anonymous_") { 2362 return true; 2363 } 2364 match ty { 2365 // `procstat` is a private struct 2366 "procstat" => true, 2367 2368 // `spacectl_range` was introduced in FreeBSD 14 2369 "spacectl_range" if Some(14) > freebsd_ver => true, 2370 2371 // `ptrace_coredump` introduced in FreeBSD 14. 2372 "ptrace_coredump" if Some(14) > freebsd_ver => true, 2373 // `ptrace_sc_remote` introduced in FreeBSD 14. 2374 "ptrace_sc_remote" if Some(14) > freebsd_ver => true, 2375 2376 // `sockcred2` is not available in FreeBSD 12. 2377 "sockcred2" if Some(13) > freebsd_ver => true, 2378 // `shm_largepage_conf` was introduced in FreeBSD 13. 2379 "shm_largepage_conf" if Some(13) > freebsd_ver => true, 2380 2381 // Those are private types 2382 "memory_type" => true, 2383 "memory_type_list" => true, 2384 "pidfh" => true, 2385 "sctp_gen_error_cause" 2386 | "sctp_error_missing_param" 2387 | "sctp_remote_error" 2388 | "sctp_assoc_change" 2389 | "sctp_send_failed_event" 2390 | "sctp_stream_reset_event" => true, 2391 2392 _ => false, 2393 } 2394 }); 2395 2396 cfg.skip_fn(move |name| { 2397 // skip those that are manually verified 2398 match name { 2399 // FIXME: https://github.com/rust-lang/libc/issues/1272 2400 "execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true, 2401 2402 // The `uname` function in the `utsname.h` FreeBSD header is a C 2403 // inline function (has no symbol) that calls the `__xuname` symbol. 2404 // Therefore the function pointer comparison does not make sense for it. 2405 "uname" => true, 2406 2407 // FIXME: Our API is unsound. The Rust API allows aliasing 2408 // pointers, but the C API requires pointers not to alias. 2409 // We should probably be at least using `&`/`&mut` here, see: 2410 // https://github.com/gnzlbg/ctest/issues/68 2411 "lio_listio" => true, 2412 2413 // Those are introduced in FreeBSD 12. 2414 "clock_nanosleep" | "getrandom" | "elf_aux_info" | "setproctitle_fast" 2415 | "timingsafe_bcmp" | "timingsafe_memcmp" 2416 if Some(12) > freebsd_ver => 2417 { 2418 true 2419 } 2420 2421 // Those are introduced in FreeBSD 13. 2422 "memfd_create" 2423 | "shm_create_largepage" 2424 | "shm_rename" 2425 | "getentropy" 2426 | "eventfd" 2427 | "SOCKCRED2SIZE" 2428 | "getlocalbase" 2429 | "aio_readv" 2430 | "aio_writev" 2431 | "copy_file_range" 2432 if Some(13) > freebsd_ver => 2433 { 2434 true 2435 } 2436 2437 // Those are introduced in FreeBSD 14. 2438 "sched_getaffinity" | "sched_setaffinity" | "sched_getcpu" | "fspacectl" 2439 if Some(14) > freebsd_ver => 2440 { 2441 true 2442 } 2443 2444 _ => false, 2445 } 2446 }); 2447 2448 cfg.volatile_item(|i| { 2449 use ctest::VolatileItemKind::*; 2450 match i { 2451 // aio_buf is a volatile void** but since we cannot express that in 2452 // Rust types, we have to explicitly tell the checker about it here: 2453 StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => true, 2454 _ => false, 2455 } 2456 }); 2457 2458 cfg.skip_field(move |struct_, field| { 2459 match (struct_, field) { 2460 // FIXME: `sa_sigaction` has type `sighandler_t` but that type is 2461 // incorrect, see: https://github.com/rust-lang/libc/issues/1359 2462 ("sigaction", "sa_sigaction") => true, 2463 2464 // conflicting with `p_type` macro from <resolve.h>. 2465 ("Elf32_Phdr", "p_type") => true, 2466 ("Elf64_Phdr", "p_type") => true, 2467 2468 // not available until FreeBSD 12, and is an anonymous union there. 2469 ("xucred", "cr_pid__c_anonymous_union") => true, 2470 2471 // m_owner field is a volatile __lwpid_t 2472 ("umutex", "m_owner") => true, 2473 // c_has_waiters field is a volatile int32_t 2474 ("ucond", "c_has_waiters") => true, 2475 // is PATH_MAX long but tests can't accept multi array as equivalent. 2476 ("kinfo_vmentry", "kve_path") => true, 2477 2478 // a_un field is a union 2479 ("Elf32_Auxinfo", "a_un") => true, 2480 ("Elf64_Auxinfo", "a_un") => true, 2481 2482 // union fields 2483 ("if_data", "__ifi_epoch") => true, 2484 ("if_data", "__ifi_lastchange") => true, 2485 ("ifreq", "ifr_ifru") => true, 2486 ("ifconf", "ifc_ifcu") => true, 2487 2488 // anonymous struct 2489 ("devstat", "dev_links") => true, 2490 2491 // FIXME: structs too complicated to bind for now... 2492 ("kinfo_proc", "ki_paddr") => true, 2493 ("kinfo_proc", "ki_addr") => true, 2494 ("kinfo_proc", "ki_tracep") => true, 2495 ("kinfo_proc", "ki_textvp") => true, 2496 ("kinfo_proc", "ki_fd") => true, 2497 ("kinfo_proc", "ki_vmspace") => true, 2498 ("kinfo_proc", "ki_pcb") => true, 2499 ("kinfo_proc", "ki_tdaddr") => true, 2500 ("kinfo_proc", "ki_pd") => true, 2501 2502 // Anonymous type. 2503 ("filestat", "next") => true, 2504 2505 // We ignore this field because we needed to use a hack in order to make rust 1.19 2506 // happy... 2507 ("kinfo_proc", "ki_sparestrings") => true, 2508 2509 // `__sem_base` is a private struct field 2510 ("semid_ds", "__sem_base") => true, 2511 2512 // `snap_time` is a `long double`, but it's a nightmare to bind correctly in rust 2513 // for the moment, so it's a best effort thing... 2514 ("statinfo", "snap_time") => true, 2515 ("sctp_sndrcvinfo", "__reserve_pad") => true, 2516 ("sctp_extrcvinfo", "__reserve_pad") => true, 2517 // `tcp_snd_wscale` and `tcp_rcv_wscale` are bitfields 2518 ("tcp_info", "tcp_snd_wscale") => true, 2519 ("tcp_info", "tcp_rcv_wscale") => true, 2520 2521 _ => false, 2522 } 2523 }); 2524 2525 cfg.generate("../src/lib.rs", "main.rs"); 2526 } 2527 2528 fn test_emscripten(target: &str) { 2529 assert!(target.contains("emscripten")); 2530 2531 let mut cfg = ctest_cfg(); 2532 cfg.define("_GNU_SOURCE", None); // FIXME: ?? 2533 2534 headers! { cfg: 2535 "aio.h", 2536 "ctype.h", 2537 "dirent.h", 2538 "dlfcn.h", 2539 "errno.h", 2540 "fcntl.h", 2541 "glob.h", 2542 "grp.h", 2543 "ifaddrs.h", 2544 "langinfo.h", 2545 "limits.h", 2546 "locale.h", 2547 "malloc.h", 2548 "mntent.h", 2549 "mqueue.h", 2550 "net/ethernet.h", 2551 "net/if.h", 2552 "net/if_arp.h", 2553 "net/route.h", 2554 "netdb.h", 2555 "netinet/in.h", 2556 "netinet/ip.h", 2557 "netinet/tcp.h", 2558 "netinet/udp.h", 2559 "netpacket/packet.h", 2560 "poll.h", 2561 "pthread.h", 2562 "pty.h", 2563 "pwd.h", 2564 "resolv.h", 2565 "sched.h", 2566 "sched.h", 2567 "semaphore.h", 2568 "shadow.h", 2569 "signal.h", 2570 "stddef.h", 2571 "stdint.h", 2572 "stdio.h", 2573 "stdlib.h", 2574 "string.h", 2575 "sys/epoll.h", 2576 "sys/eventfd.h", 2577 "sys/file.h", 2578 "sys/ioctl.h", 2579 "sys/ipc.h", 2580 "sys/mman.h", 2581 "sys/mount.h", 2582 "sys/msg.h", 2583 "sys/personality.h", 2584 "sys/prctl.h", 2585 "sys/ptrace.h", 2586 "sys/quota.h", 2587 "sys/reboot.h", 2588 "sys/resource.h", 2589 "sys/sem.h", 2590 "sys/shm.h", 2591 "sys/signalfd.h", 2592 "sys/socket.h", 2593 "sys/stat.h", 2594 "sys/statvfs.h", 2595 "sys/swap.h", 2596 "sys/syscall.h", 2597 "sys/sysctl.h", 2598 "sys/sysinfo.h", 2599 "sys/time.h", 2600 "sys/timerfd.h", 2601 "sys/times.h", 2602 "sys/types.h", 2603 "sys/uio.h", 2604 "sys/un.h", 2605 "sys/user.h", 2606 "sys/utsname.h", 2607 "sys/vfs.h", 2608 "sys/wait.h", 2609 "sys/xattr.h", 2610 "syslog.h", 2611 "termios.h", 2612 "time.h", 2613 "ucontext.h", 2614 "unistd.h", 2615 "utime.h", 2616 "utmp.h", 2617 "utmpx.h", 2618 "wchar.h", 2619 } 2620 2621 cfg.type_name(move |ty, is_struct, is_union| { 2622 match ty { 2623 // Just pass all these through, no need for a "struct" prefix 2624 "FILE" | "fd_set" | "Dl_info" | "DIR" => ty.to_string(), 2625 2626 "os_unfair_lock" => "struct os_unfair_lock_s".to_string(), 2627 2628 t if is_union => format!("union {}", t), 2629 2630 t if t.ends_with("_t") => t.to_string(), 2631 2632 // put `struct` in front of all structs:. 2633 t if is_struct => format!("struct {}", t), 2634 2635 t => t.to_string(), 2636 } 2637 }); 2638 2639 cfg.field_name(move |struct_, field| { 2640 match field { 2641 // Our stat *_nsec fields normally don't actually exist but are part 2642 // of a timeval struct 2643 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 2644 s.replace("e_nsec", ".tv_nsec") 2645 } 2646 // FIXME: appears that `epoll_event.data` is an union 2647 "u64" if struct_ == "epoll_event" => "data.u64".to_string(), 2648 s => s.to_string(), 2649 } 2650 }); 2651 2652 cfg.skip_type(move |ty| { 2653 match ty { 2654 // sighandler_t is crazy across platforms 2655 // FIXME: is this necessary? 2656 "sighandler_t" => true, 2657 2658 // FIXME: The size has been changed due to musl's time64 2659 "time_t" => true, 2660 2661 _ => false, 2662 } 2663 }); 2664 2665 cfg.skip_struct(move |ty| { 2666 match ty { 2667 // This is actually a union, not a struct 2668 // FIXME: is this necessary? 2669 "sigval" => true, 2670 2671 // FIXME: It was removed in 2672 // emscripten-core/emscripten@953e414 2673 "pthread_mutexattr_t" => true, 2674 2675 // FIXME: Investigate why the test fails. 2676 // Skip for now to unblock CI. 2677 "pthread_condattr_t" => true, 2678 2679 // FIXME: The size has been changed when upgraded to musl 1.2.2 2680 "pthread_mutex_t" => true, 2681 2682 // FIXME: Lowered from 16 to 8 bytes in 2683 // llvm/llvm-project@d1a96e9 2684 "max_align_t" => true, 2685 2686 // FIXME: The size has been changed due to time64 2687 "utimbuf" | "timeval" | "timespec" | "rusage" | "itimerval" | "sched_param" 2688 | "stat" | "stat64" | "shmid_ds" | "msqid_ds" => true, 2689 2690 _ => false, 2691 } 2692 }); 2693 2694 cfg.skip_fn(move |name| { 2695 match name { 2696 // Emscripten does not support fork/exec/wait or any kind of multi-process support 2697 // https://github.com/emscripten-core/emscripten/blob/3.1.30/tools/system_libs.py#L973 2698 "execv" | "execve" | "execvp" | "execvpe" | "fexecve" | "wait4" => true, 2699 2700 // FIXME: Remove after emscripten-core/emscripten#18492 is released (> 3.1.30). 2701 "clearenv" => true, 2702 2703 _ => false, 2704 } 2705 }); 2706 2707 cfg.skip_const(move |name| { 2708 match name { 2709 // FIXME: deprecated - SIGNUNUSED was removed in glibc 2.26 2710 // users should use SIGSYS instead 2711 "SIGUNUSED" => true, 2712 2713 // FIXME: emscripten uses different constants to constructs these 2714 n if n.contains("__SIZEOF_PTHREAD") => true, 2715 2716 // FIXME: `SYS_gettid` was removed in 2717 // emscripten-core/emscripten@6d6474e 2718 "SYS_gettid" => true, 2719 2720 // FIXME: These values have been changed 2721 | "POSIX_MADV_DONTNEED" // to 4 2722 | "RLIMIT_NLIMITS" // to 16 2723 | "RLIM_NLIMITS" // to 16 2724 | "IPPROTO_MAX" // to 263 2725 | "F_GETLK" // to 5 2726 | "F_SETLK" // to 6 2727 | "F_SETLKW" // to 7 2728 | "O_TMPFILE" // to 65 2729 | "SIG_IGN" // -1 2730 => true, 2731 2732 _ => false, 2733 } 2734 }); 2735 2736 cfg.skip_field_type(move |struct_, field| { 2737 // This is a weird union, don't check the type. 2738 // FIXME: is this necessary? 2739 (struct_ == "ifaddrs" && field == "ifa_ifu") || 2740 // sighandler_t type is super weird 2741 // FIXME: is this necessary? 2742 (struct_ == "sigaction" && field == "sa_sigaction") || 2743 // sigval is actually a union, but we pretend it's a struct 2744 // FIXME: is this necessary? 2745 (struct_ == "sigevent" && field == "sigev_value") || 2746 // aio_buf is "volatile void*" and Rust doesn't understand volatile 2747 // FIXME: is this necessary? 2748 (struct_ == "aiocb" && field == "aio_buf") 2749 }); 2750 2751 cfg.skip_field(move |struct_, field| { 2752 // this is actually a union on linux, so we can't represent it well and 2753 // just insert some padding. 2754 // FIXME: is this necessary? 2755 (struct_ == "siginfo_t" && field == "_pad") || 2756 // musl names this __dummy1 but it's still there 2757 // FIXME: is this necessary? 2758 (struct_ == "glob_t" && field == "gl_flags") || 2759 // musl seems to define this as an *anonymous* bitfield 2760 // FIXME: is this necessary? 2761 (struct_ == "statvfs" && field == "__f_unused") || 2762 // sigev_notify_thread_id is actually part of a sigev_un union 2763 (struct_ == "sigevent" && field == "sigev_notify_thread_id") || 2764 // signalfd had SIGSYS fields added in Linux 4.18, but no libc release has them yet. 2765 (struct_ == "signalfd_siginfo" && (field == "ssi_addr_lsb" || 2766 field == "_pad2" || 2767 field == "ssi_syscall" || 2768 field == "ssi_call_addr" || 2769 field == "ssi_arch")) || 2770 // FIXME: After musl 1.1.24, it have only one field `sched_priority`, 2771 // while other fields become reserved. 2772 (struct_ == "sched_param" && [ 2773 "sched_ss_low_priority", 2774 "sched_ss_repl_period", 2775 "sched_ss_init_budget", 2776 "sched_ss_max_repl", 2777 ].contains(&field)) 2778 }); 2779 2780 // FIXME: test linux like 2781 cfg.generate("../src/lib.rs", "main.rs"); 2782 } 2783 2784 fn test_neutrino(target: &str) { 2785 assert!(target.contains("nto-qnx")); 2786 2787 let mut cfg = ctest_cfg(); 2788 2789 headers! { cfg: 2790 "ctype.h", 2791 "dirent.h", 2792 "dlfcn.h", 2793 "sys/elf.h", 2794 "fcntl.h", 2795 "glob.h", 2796 "grp.h", 2797 "iconv.h", 2798 "ifaddrs.h", 2799 "limits.h", 2800 "sys/link.h", 2801 "locale.h", 2802 "sys/malloc.h", 2803 "rcheck/malloc.h", 2804 "malloc.h", 2805 "mqueue.h", 2806 "net/if.h", 2807 "net/if_arp.h", 2808 "net/route.h", 2809 "netdb.h", 2810 "netinet/in.h", 2811 "netinet/ip.h", 2812 "netinet/tcp.h", 2813 "netinet/udp.h", 2814 "netinet/ip_var.h", 2815 "sys/poll.h", 2816 "pthread.h", 2817 "pwd.h", 2818 "regex.h", 2819 "resolv.h", 2820 "sys/sched.h", 2821 "sched.h", 2822 "semaphore.h", 2823 "shadow.h", 2824 "signal.h", 2825 "spawn.h", 2826 "stddef.h", 2827 "stdint.h", 2828 "stdio.h", 2829 "stdlib.h", 2830 "string.h", 2831 "sys/sysctl.h", 2832 "sys/file.h", 2833 "sys/inotify.h", 2834 "sys/ioctl.h", 2835 "sys/ipc.h", 2836 "sys/mman.h", 2837 "sys/mount.h", 2838 "sys/msg.h", 2839 "sys/resource.h", 2840 "sys/sem.h", 2841 "sys/socket.h", 2842 "sys/stat.h", 2843 "sys/statvfs.h", 2844 "sys/swap.h", 2845 "sys/termio.h", 2846 "sys/time.h", 2847 "sys/times.h", 2848 "sys/types.h", 2849 "sys/uio.h", 2850 "sys/un.h", 2851 "sys/utsname.h", 2852 "sys/wait.h", 2853 "syslog.h", 2854 "termios.h", 2855 "time.h", 2856 "sys/time.h", 2857 "ucontext.h", 2858 "unistd.h", 2859 "utime.h", 2860 "utmp.h", 2861 "wchar.h", 2862 "aio.h", 2863 "nl_types.h", 2864 "langinfo.h", 2865 "unix.h", 2866 "nbutil.h", 2867 "aio.h", 2868 "net/bpf.h", 2869 "net/if_dl.h", 2870 "sys/syspage.h", 2871 2872 // TODO: The following header file doesn't appear as part of the default headers 2873 // found in a standard installation of Neutrino 7.1 SDP. The structures/ 2874 // functions dependent on it are currently commented out. 2875 //"sys/asyncmsg.h", 2876 } 2877 2878 // Create and include a header file containing 2879 // items which are not included in any official 2880 // header file. 2881 let internal_header = "internal.h"; 2882 let out_dir = env::var("OUT_DIR").unwrap(); 2883 cfg.header(internal_header); 2884 cfg.include(&out_dir); 2885 std::fs::write( 2886 out_dir.to_owned() + "/" + internal_header, 2887 "#ifndef __internal_h__ 2888 #define __internal_h__ 2889 void __my_thread_exit(const void **); 2890 #endif", 2891 ) 2892 .unwrap(); 2893 2894 cfg.type_name(move |ty, is_struct, is_union| { 2895 match ty { 2896 // Just pass all these through, no need for a "struct" prefix 2897 "FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr" | "Elf64_Phdr" | "Elf32_Shdr" 2898 | "Elf64_Shdr" | "Elf32_Sym" | "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr" 2899 | "Elf32_Chdr" | "Elf64_Chdr" | "aarch64_qreg_t" | "syspage_entry_info" 2900 | "syspage_array_info" => ty.to_string(), 2901 2902 "Ioctl" => "int".to_string(), 2903 2904 t if is_union => format!("union {}", t), 2905 2906 t if t.ends_with("_t") => t.to_string(), 2907 2908 // put `struct` in front of all structs:. 2909 t if is_struct => format!("struct {}", t), 2910 2911 t => t.to_string(), 2912 } 2913 }); 2914 2915 cfg.field_name(move |_struct_, field| match field { 2916 "type_" => "type".to_string(), 2917 2918 s => s.to_string(), 2919 }); 2920 2921 cfg.volatile_item(|i| { 2922 use ctest::VolatileItemKind::*; 2923 match i { 2924 // The following fields are volatie but since we cannot express that in 2925 // Rust types, we have to explicitly tell the checker about it here: 2926 StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => true, 2927 StructField(ref n, ref f) if n == "qtime_entry" && f == "nsec_tod_adjust" => true, 2928 StructField(ref n, ref f) if n == "qtime_entry" && f == "nsec" => true, 2929 StructField(ref n, ref f) if n == "qtime_entry" && f == "nsec_stable" => true, 2930 StructField(ref n, ref f) if n == "intrspin" && f == "value" => true, 2931 _ => false, 2932 } 2933 }); 2934 2935 cfg.skip_type(move |ty| { 2936 match ty { 2937 // FIXME: `sighandler_t` type is incorrect, see: 2938 // https://github.com/rust-lang/libc/issues/1359 2939 "sighandler_t" => true, 2940 2941 // Does not exist in Neutrino 2942 "locale_t" => true, 2943 2944 _ => false, 2945 } 2946 }); 2947 2948 cfg.skip_struct(move |ty| { 2949 if ty.starts_with("__c_anonymous_") { 2950 return true; 2951 } 2952 match ty { 2953 "Elf64_Phdr" | "Elf32_Phdr" => true, 2954 2955 // FIXME: This is actually a union, not a struct 2956 "sigval" => true, 2957 2958 // union 2959 "_channel_connect_attr" => true, 2960 2961 _ => false, 2962 } 2963 }); 2964 2965 cfg.skip_const(move |name| { 2966 match name { 2967 // These signal "functions" are actually integer values that are casted to a fn ptr 2968 // This causes the compiler to err because of "illegal cast of int to ptr". 2969 "SIG_DFL" => true, 2970 "SIG_IGN" => true, 2971 "SIG_ERR" => true, 2972 2973 _ => false, 2974 } 2975 }); 2976 2977 cfg.skip_fn(move |name| { 2978 // skip those that are manually verified 2979 match name { 2980 // FIXME: https://github.com/rust-lang/libc/issues/1272 2981 "execv" | "execve" | "execvp" | "execvpe" => true, 2982 2983 // wrong signature 2984 "signal" => true, 2985 2986 // wrong signature of callback ptr 2987 "__cxa_atexit" => true, 2988 2989 // FIXME: Our API is unsound. The Rust API allows aliasing 2990 // pointers, but the C API requires pointers not to alias. 2991 // We should probably be at least using `&`/`&mut` here, see: 2992 // https://github.com/gnzlbg/ctest/issues/68 2993 "lio_listio" => true, 2994 2995 // 2 fields are actually unions which we're simply representing 2996 // as structures. 2997 "ChannelConnectAttr" => true, 2998 2999 // fields contains unions 3000 "SignalKillSigval" => true, 3001 "SignalKillSigval_r" => true, 3002 3003 // Not defined in any headers. Defined to work around a 3004 // stack unwinding bug. 3005 "__my_thread_exit" => true, 3006 3007 _ => false, 3008 } 3009 }); 3010 3011 cfg.skip_field_type(move |struct_, field| { 3012 // sigval is actually a union, but we pretend it's a struct 3013 struct_ == "sigevent" && field == "sigev_value" || 3014 // Anonymous structures 3015 struct_ == "_idle_hook" && field == "time" 3016 }); 3017 3018 cfg.skip_field(move |struct_, field| { 3019 (struct_ == "__sched_param" && field == "reserved") || 3020 (struct_ == "sched_param" && field == "reserved") || 3021 (struct_ == "sigevent" && field == "__padding1") || // ensure alignment 3022 (struct_ == "sigevent" && field == "__padding2") || // union 3023 (struct_ == "sigevent" && field == "__sigev_un2") || // union 3024 // sighandler_t type is super weird 3025 (struct_ == "sigaction" && field == "sa_sigaction") || 3026 // does not exist 3027 (struct_ == "syspage_entry" && field == "__reserved") || 3028 false // keep me for smaller diffs when something is added above 3029 }); 3030 3031 cfg.skip_static(move |name| (name == "__dso_handle")); 3032 3033 cfg.generate("../src/lib.rs", "main.rs"); 3034 } 3035 3036 fn test_vxworks(target: &str) { 3037 assert!(target.contains("vxworks")); 3038 3039 let mut cfg = ctest::TestGenerator::new(); 3040 headers! { cfg: 3041 "vxWorks.h", 3042 "yvals.h", 3043 "nfs/nfsCommon.h", 3044 "rtpLibCommon.h", 3045 "randomNumGen.h", 3046 "taskLib.h", 3047 "sysLib.h", 3048 "ioLib.h", 3049 "inetLib.h", 3050 "socket.h", 3051 "errnoLib.h", 3052 "ctype.h", 3053 "dirent.h", 3054 "dlfcn.h", 3055 "elf.h", 3056 "fcntl.h", 3057 "grp.h", 3058 "sys/poll.h", 3059 "ifaddrs.h", 3060 "langinfo.h", 3061 "limits.h", 3062 "link.h", 3063 "locale.h", 3064 "sys/stat.h", 3065 "netdb.h", 3066 "pthread.h", 3067 "pwd.h", 3068 "sched.h", 3069 "semaphore.h", 3070 "signal.h", 3071 "stddef.h", 3072 "stdint.h", 3073 "stdio.h", 3074 "stdlib.h", 3075 "string.h", 3076 "sys/file.h", 3077 "sys/ioctl.h", 3078 "sys/socket.h", 3079 "sys/time.h", 3080 "sys/times.h", 3081 "sys/types.h", 3082 "sys/uio.h", 3083 "sys/un.h", 3084 "sys/utsname.h", 3085 "sys/wait.h", 3086 "netinet/tcp.h", 3087 "syslog.h", 3088 "termios.h", 3089 "time.h", 3090 "ucontext.h", 3091 "unistd.h", 3092 "utime.h", 3093 "wchar.h", 3094 "errno.h", 3095 "sys/mman.h", 3096 "pathLib.h", 3097 "mqueue.h", 3098 } 3099 // FIXME 3100 cfg.skip_const(move |name| match name { 3101 // sighandler_t weirdness 3102 "SIG_DFL" | "SIG_ERR" | "SIG_IGN" 3103 // This is not defined in vxWorks 3104 | "RTLD_DEFAULT" => true, 3105 _ => false, 3106 }); 3107 // FIXME 3108 cfg.skip_type(move |ty| match ty { 3109 "stat64" | "sighandler_t" | "off64_t" => true, 3110 _ => false, 3111 }); 3112 3113 cfg.skip_field_type(move |struct_, field| match (struct_, field) { 3114 ("siginfo_t", "si_value") | ("stat", "st_size") | ("sigaction", "sa_u") => true, 3115 _ => false, 3116 }); 3117 3118 cfg.skip_roundtrip(move |s| match s { 3119 _ => false, 3120 }); 3121 3122 cfg.type_name(move |ty, is_struct, is_union| match ty { 3123 "DIR" | "FILE" | "Dl_info" | "RTP_DESC" => ty.to_string(), 3124 t if is_union => format!("union {}", t), 3125 t if t.ends_with("_t") => t.to_string(), 3126 t if is_struct => format!("struct {}", t), 3127 t => t.to_string(), 3128 }); 3129 3130 // FIXME 3131 cfg.skip_fn(move |name| match name { 3132 // sigval 3133 "sigqueue" | "_sigqueue" 3134 // sighandler_t 3135 | "signal" 3136 // not used in static linking by default 3137 | "dlerror" => true, 3138 _ => false, 3139 }); 3140 3141 cfg.generate("../src/lib.rs", "main.rs"); 3142 } 3143 3144 fn test_linux(target: &str) { 3145 assert!(target.contains("linux")); 3146 3147 // target_env 3148 let gnu = target.contains("gnu"); 3149 let musl = target.contains("musl") || target.contains("ohos"); 3150 let uclibc = target.contains("uclibc"); 3151 3152 match (gnu, musl, uclibc) { 3153 (true, false, false) => (), 3154 (false, true, false) => (), 3155 (false, false, true) => (), 3156 (_, _, _) => panic!( 3157 "linux target lib is gnu: {}, musl: {}, uclibc: {}", 3158 gnu, musl, uclibc 3159 ), 3160 } 3161 3162 let arm = target.contains("arm"); 3163 let i686 = target.contains("i686"); 3164 let mips = target.contains("mips"); 3165 let mips32 = mips && !target.contains("64"); 3166 let mips64 = mips && target.contains("64"); 3167 let ppc = target.contains("powerpc"); 3168 let ppc64 = target.contains("powerpc64"); 3169 let s390x = target.contains("s390x"); 3170 let sparc64 = target.contains("sparc64"); 3171 let x32 = target.contains("x32"); 3172 let x86_32 = target.contains("i686"); 3173 let x86_64 = target.contains("x86_64"); 3174 let aarch64_musl = target.contains("aarch64") && musl; 3175 let gnueabihf = target.contains("gnueabihf"); 3176 let x86_64_gnux32 = target.contains("gnux32") && x86_64; 3177 let riscv64 = target.contains("riscv64"); 3178 let uclibc = target.contains("uclibc"); 3179 3180 let mut cfg = ctest_cfg(); 3181 cfg.define("_GNU_SOURCE", None); 3182 // This macro re-deifnes fscanf,scanf,sscanf to link to the symbols that are 3183 // deprecated since glibc >= 2.29. This allows Rust binaries to link against 3184 // glibc versions older than 2.29. 3185 cfg.define("__GLIBC_USE_DEPRECATED_SCANF", None); 3186 3187 headers! { cfg: 3188 "ctype.h", 3189 "dirent.h", 3190 "dlfcn.h", 3191 "elf.h", 3192 "fcntl.h", 3193 "getopt.h", 3194 "glob.h", 3195 [gnu]: "gnu/libc-version.h", 3196 "grp.h", 3197 "iconv.h", 3198 "ifaddrs.h", 3199 "langinfo.h", 3200 "libgen.h", 3201 "limits.h", 3202 "link.h", 3203 "locale.h", 3204 "malloc.h", 3205 "mntent.h", 3206 "mqueue.h", 3207 "net/ethernet.h", 3208 "net/if.h", 3209 "net/if_arp.h", 3210 "net/route.h", 3211 "netdb.h", 3212 "netinet/in.h", 3213 "netinet/ip.h", 3214 "netinet/tcp.h", 3215 "netinet/udp.h", 3216 "netpacket/packet.h", 3217 "poll.h", 3218 "pthread.h", 3219 "pty.h", 3220 "pwd.h", 3221 "regex.h", 3222 "resolv.h", 3223 "sched.h", 3224 "semaphore.h", 3225 "shadow.h", 3226 "signal.h", 3227 "spawn.h", 3228 "stddef.h", 3229 "stdint.h", 3230 "stdio.h", 3231 "stdlib.h", 3232 "string.h", 3233 "sys/epoll.h", 3234 "sys/eventfd.h", 3235 "sys/file.h", 3236 "sys/fsuid.h", 3237 "sys/inotify.h", 3238 "sys/ioctl.h", 3239 "sys/ipc.h", 3240 "sys/mman.h", 3241 "sys/mount.h", 3242 "sys/msg.h", 3243 "sys/personality.h", 3244 "sys/prctl.h", 3245 "sys/ptrace.h", 3246 "sys/quota.h", 3247 "sys/random.h", 3248 "sys/reboot.h", 3249 "sys/resource.h", 3250 "sys/sem.h", 3251 "sys/sendfile.h", 3252 "sys/shm.h", 3253 "sys/signalfd.h", 3254 "sys/socket.h", 3255 "sys/stat.h", 3256 "sys/statvfs.h", 3257 "sys/swap.h", 3258 "sys/syscall.h", 3259 "sys/time.h", 3260 "sys/timerfd.h", 3261 "sys/times.h", 3262 "sys/timex.h", 3263 "sys/types.h", 3264 "sys/uio.h", 3265 "sys/un.h", 3266 "sys/user.h", 3267 "sys/utsname.h", 3268 "sys/vfs.h", 3269 "sys/wait.h", 3270 "syslog.h", 3271 "termios.h", 3272 "time.h", 3273 "ucontext.h", 3274 "unistd.h", 3275 "utime.h", 3276 "utmp.h", 3277 "utmpx.h", 3278 "wchar.h", 3279 "errno.h", 3280 // `sys/io.h` is only available on x86*, Alpha, IA64, and 32-bit 3281 // ARM: https://bugzilla.redhat.com/show_bug.cgi?id=1116162 3282 // Also unavailable on gnueabihf with glibc 2.30. 3283 // https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=6b33f373c7b9199e00ba5fbafd94ac9bfb4337b1 3284 [(x86_64 || x86_32 || arm) && !gnueabihf]: "sys/io.h", 3285 // `sys/reg.h` is only available on x86 and x86_64 3286 [x86_64 || x86_32]: "sys/reg.h", 3287 // sysctl system call is deprecated and not available on musl 3288 // It is also unsupported in x32, deprecated since glibc 2.30: 3289 [!(x32 || musl || gnu)]: "sys/sysctl.h", 3290 // <execinfo.h> is not supported by musl: 3291 // https://www.openwall.com/lists/musl/2015/04/09/3 3292 // <execinfo.h> is not present on uclibc. 3293 [!(musl || uclibc)]: "execinfo.h", 3294 } 3295 3296 // Include linux headers at the end: 3297 headers! { 3298 cfg: 3299 "asm/mman.h", 3300 "linux/can.h", 3301 "linux/can/raw.h", 3302 // FIXME: requires kernel headers >= 5.4.1. 3303 [!musl]: "linux/can/j1939.h", 3304 "linux/dccp.h", 3305 "linux/errqueue.h", 3306 "linux/falloc.h", 3307 "linux/filter.h", 3308 "linux/fs.h", 3309 "linux/futex.h", 3310 "linux/genetlink.h", 3311 "linux/if.h", 3312 "linux/if_addr.h", 3313 "linux/if_alg.h", 3314 "linux/if_ether.h", 3315 "linux/if_tun.h", 3316 "linux/input.h", 3317 "linux/ipv6.h", 3318 "linux/kexec.h", 3319 "linux/keyctl.h", 3320 "linux/magic.h", 3321 "linux/memfd.h", 3322 "linux/membarrier.h", 3323 "linux/mempolicy.h", 3324 "linux/mman.h", 3325 "linux/module.h", 3326 // FIXME: requires kernel headers >= 5.1. 3327 [!musl]: "linux/mount.h", 3328 "linux/net_tstamp.h", 3329 "linux/netfilter/nfnetlink.h", 3330 "linux/netfilter/nfnetlink_log.h", 3331 "linux/netfilter/nfnetlink_queue.h", 3332 "linux/netfilter/nf_tables.h", 3333 "linux/netfilter_ipv4.h", 3334 "linux/netfilter_ipv6.h", 3335 "linux/netfilter_ipv6/ip6_tables.h", 3336 "linux/netlink.h", 3337 // FIXME: requires Linux >= 5.6: 3338 [!musl]: "linux/openat2.h", 3339 [!musl]: "linux/ptrace.h", 3340 "linux/quota.h", 3341 "linux/random.h", 3342 "linux/reboot.h", 3343 "linux/rtnetlink.h", 3344 "linux/sched.h", 3345 "linux/sctp.h", 3346 "linux/seccomp.h", 3347 "linux/sock_diag.h", 3348 "linux/sockios.h", 3349 "linux/tls.h", 3350 "linux/uinput.h", 3351 "linux/vm_sockets.h", 3352 "linux/wait.h", 3353 "sys/fanotify.h", 3354 // <sys/auxv.h> is not present on uclibc 3355 [!uclibc]: "sys/auxv.h", 3356 } 3357 3358 // note: aio.h must be included before sys/mount.h 3359 headers! { 3360 cfg: 3361 "sys/xattr.h", 3362 "sys/sysinfo.h", 3363 // AIO is not supported by uclibc: 3364 [!uclibc]: "aio.h", 3365 } 3366 3367 cfg.type_name(move |ty, is_struct, is_union| { 3368 match ty { 3369 // Just pass all these through, no need for a "struct" prefix 3370 "FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr" | "Elf64_Phdr" | "Elf32_Shdr" 3371 | "Elf64_Shdr" | "Elf32_Sym" | "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr" 3372 | "Elf32_Chdr" | "Elf64_Chdr" => ty.to_string(), 3373 3374 "Ioctl" if gnu => "unsigned long".to_string(), 3375 "Ioctl" => "int".to_string(), 3376 3377 // LFS64 types have been removed in musl 1.2.4+ 3378 "off64_t" if musl => "off_t".to_string(), 3379 3380 // typedefs don't need any keywords 3381 t if t.ends_with("_t") => t.to_string(), 3382 // put `struct` in front of all structs:. 3383 t if is_struct => format!("struct {}", t), 3384 // put `union` in front of all unions: 3385 t if is_union => format!("union {}", t), 3386 3387 t => t.to_string(), 3388 } 3389 }); 3390 3391 cfg.field_name(move |struct_, field| { 3392 match field { 3393 // Our stat *_nsec fields normally don't actually exist but are part 3394 // of a timeval struct 3395 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 3396 s.replace("e_nsec", ".tv_nsec") 3397 } 3398 // FIXME: epoll_event.data is actually a union in C, but in Rust 3399 // it is only a u64 because we only expose one field 3400 // http://man7.org/linux/man-pages/man2/epoll_wait.2.html 3401 "u64" if struct_ == "epoll_event" => "data.u64".to_string(), 3402 // The following structs have a field called `type` in C, 3403 // but `type` is a Rust keyword, so these fields are translated 3404 // to `type_` in Rust. 3405 "type_" 3406 if struct_ == "input_event" 3407 || struct_ == "input_mask" 3408 || struct_ == "ff_effect" => 3409 { 3410 "type".to_string() 3411 } 3412 3413 s => s.to_string(), 3414 } 3415 }); 3416 3417 cfg.skip_type(move |ty| { 3418 match ty { 3419 // FIXME: `sighandler_t` type is incorrect, see: 3420 // https://github.com/rust-lang/libc/issues/1359 3421 "sighandler_t" => true, 3422 3423 // These cannot be tested when "resolv.h" is included and are tested 3424 // in the `linux_elf.rs` file. 3425 "Elf64_Phdr" | "Elf32_Phdr" => true, 3426 3427 // This type is private on Linux. It is implemented as a C `enum` 3428 // (`c_uint`) and this clashes with the type of the `rlimit` APIs 3429 // which expect a `c_int` even though both are ABI compatible. 3430 "__rlimit_resource_t" => true, 3431 // on Linux, this is a volatile int 3432 "pthread_spinlock_t" => true, 3433 3434 // For internal use only, to define architecture specific ioctl constants with a libc 3435 // specific type. 3436 "Ioctl" => true, 3437 3438 // FIXME: requires >= 5.4.1 kernel headers 3439 "pgn_t" if musl => true, 3440 "priority_t" if musl => true, 3441 "name_t" if musl => true, 3442 3443 t => { 3444 if musl { 3445 // LFS64 types have been removed in musl 1.2.4+ 3446 t.ends_with("64") || t.ends_with("64_t") 3447 } else { 3448 false 3449 } 3450 } 3451 } 3452 }); 3453 3454 cfg.skip_struct(move |ty| { 3455 if ty.starts_with("__c_anonymous_") { 3456 return true; 3457 } 3458 // FIXME: musl CI has old headers 3459 if musl && ty.starts_with("uinput_") { 3460 return true; 3461 } 3462 // LFS64 types have been removed in musl 1.2.4+ 3463 if musl && (ty.ends_with("64") || ty.ends_with("64_t")) { 3464 return true; 3465 } 3466 // FIXME: sparc64 CI has old headers 3467 if sparc64 && (ty == "uinput_ff_erase" || ty == "uinput_abs_setup") { 3468 return true; 3469 } 3470 // FIXME(https://github.com/rust-lang/libc/issues/1558): passing by 3471 // value corrupts the value for reasons not understood. 3472 if (gnu && sparc64) && (ty == "ip_mreqn" || ty == "hwtstamp_config") { 3473 return true; 3474 } 3475 match ty { 3476 // These cannot be tested when "resolv.h" is included and are tested 3477 // in the `linux_elf.rs` file. 3478 "Elf64_Phdr" | "Elf32_Phdr" => true, 3479 3480 // On Linux, the type of `ut_tv` field of `struct utmpx` 3481 // can be an anonymous struct, so an extra struct, 3482 // which is absent in glibc, has to be defined. 3483 "__timeval" => true, 3484 3485 // FIXME: This is actually a union, not a struct 3486 "sigval" => true, 3487 3488 // This type is tested in the `linux_termios.rs` file since there 3489 // are header conflicts when including them with all the other 3490 // structs. 3491 "termios2" => true, 3492 3493 // FIXME: remove once we set minimum supported glibc version. 3494 // ucontext_t added a new field as of glibc 2.28; our struct definition is 3495 // conservative and omits the field, but that means the size doesn't match for newer 3496 // glibcs (see https://github.com/rust-lang/libc/issues/1410) 3497 "ucontext_t" if gnu => true, 3498 3499 // FIXME: Somehow we cannot include headers correctly in glibc 2.30. 3500 // So let's ignore for now and re-visit later. 3501 // Probably related: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91085 3502 "statx" => true, 3503 "statx_timestamp" => true, 3504 3505 // On Linux, the type of `ut_exit` field of struct `utmpx` 3506 // can be an anonymous struct, so an extra struct, 3507 // which is absent in musl, has to be defined. 3508 "__exit_status" if musl => true, 3509 3510 // clone_args might differ b/w libc versions 3511 "clone_args" => true, 3512 3513 // Might differ between kernel versions 3514 "open_how" => true, 3515 3516 // FIXME: requires >= 5.4.1 kernel headers 3517 "j1939_filter" if musl => true, 3518 3519 // FIXME: requires >= 5.4 kernel headers 3520 "sockaddr_can" if musl => true, 3521 3522 "sctp_initmsg" | "sctp_sndrcvinfo" | "sctp_sndinfo" | "sctp_rcvinfo" 3523 | "sctp_nxtinfo" | "sctp_prinfo" | "sctp_authinfo" => true, 3524 3525 // FIXME: requires >= 6.1 kernel headers 3526 "canxl_frame" => true, 3527 _ => false, 3528 } 3529 }); 3530 3531 cfg.skip_const(move |name| { 3532 if !gnu { 3533 // Skip definitions from the kernel on non-glibc Linux targets. 3534 // They're libc-independent, so we only need to check them on one 3535 // libc. We don't want to break CI if musl or another libc doesn't 3536 // have the definitions yet. (We do still want to check them on 3537 // every glibc target, though, as some of them can vary by 3538 // architecture.) 3539 // 3540 // This is not an exhaustive list of kernel constants, just a list 3541 // of prefixes of all those that have appeared here or that get 3542 // updated regularly and seem likely to cause breakage. 3543 if name.starts_with("AF_") 3544 || name.starts_with("ARPHRD_") 3545 || name.starts_with("EPOLL") 3546 || name.starts_with("F_") 3547 || name.starts_with("FALLOC_FL_") 3548 || name.starts_with("IFLA_") 3549 || name.starts_with("KEXEC_") 3550 || name.starts_with("MS_") 3551 || name.starts_with("MSG_") 3552 || name.starts_with("OPEN_TREE_") 3553 || name.starts_with("P_") 3554 || name.starts_with("PF_") 3555 || name.starts_with("RLIMIT_") 3556 || name.starts_with("RTEXT_FILTER_") 3557 || name.starts_with("SOL_") 3558 || name.starts_with("STATX_") 3559 || name.starts_with("SW_") 3560 || name.starts_with("SYS_") 3561 || name.starts_with("TCP_") 3562 || name.starts_with("UINPUT_") 3563 || name.starts_with("VMADDR_") 3564 { 3565 return true; 3566 } 3567 } 3568 if musl { 3569 // FIXME: Requires >= 5.4.1 kernel headers 3570 if name.starts_with("J1939") 3571 || name.starts_with("RTEXT_FILTER_") 3572 || name.starts_with("SO_J1939") 3573 || name.starts_with("SCM_J1939") 3574 { 3575 return true; 3576 } 3577 // FIXME: Requires >= 5.10 kernel headers 3578 if name.starts_with("MEMBARRIER_CMD_REGISTER") 3579 || name.starts_with("MEMBARRIER_CMD_PRIVATE") 3580 { 3581 return true; 3582 } 3583 // LFS64 types have been removed in musl 1.2.4+ 3584 if name.starts_with("RLIM64") { 3585 return true; 3586 } 3587 } 3588 match name { 3589 // These constants are not available if gnu headers have been included 3590 // and can therefore not be tested here 3591 // 3592 // The IPV6 constants are tested in the `linux_ipv6.rs` tests: 3593 | "IPV6_FLOWINFO" 3594 | "IPV6_FLOWLABEL_MGR" 3595 | "IPV6_FLOWINFO_SEND" 3596 | "IPV6_FLOWINFO_FLOWLABEL" 3597 | "IPV6_FLOWINFO_PRIORITY" 3598 // The F_ fnctl constants are tested in the `linux_fnctl.rs` tests: 3599 | "F_CANCELLK" 3600 | "F_ADD_SEALS" 3601 | "F_GET_SEALS" 3602 | "F_SEAL_SEAL" 3603 | "F_SEAL_SHRINK" 3604 | "F_SEAL_GROW" 3605 | "F_SEAL_WRITE" => true, 3606 // The `ARPHRD_CAN` is tested in the `linux_if_arp.rs` tests 3607 // because including `linux/if_arp.h` causes some conflicts: 3608 "ARPHRD_CAN" => true, 3609 3610 // FIXME: deprecated: not available in any header 3611 // See: https://github.com/rust-lang/libc/issues/1356 3612 "ENOATTR" => true, 3613 3614 // FIXME: SIGUNUSED was removed in glibc 2.26 3615 // Users should use SIGSYS instead. 3616 "SIGUNUSED" => true, 3617 3618 // FIXME: conflicts with glibc headers and is tested in 3619 // `linux_termios.rs` below: 3620 | "BOTHER" 3621 | "IBSHIFT" 3622 | "TCGETS2" 3623 | "TCSETS2" 3624 | "TCSETSW2" 3625 | "TCSETSF2" => true, 3626 3627 // FIXME: on musl the pthread types are defined a little differently 3628 // - these constants are used by the glibc implementation. 3629 n if musl && n.contains("__SIZEOF_PTHREAD") => true, 3630 3631 // FIXME: It was extended to 4096 since glibc 2.31 (Linux 5.4). 3632 // We should do so after a while. 3633 "SOMAXCONN" if gnu => true, 3634 3635 // deprecated: not available from Linux kernel 5.6: 3636 "VMADDR_CID_RESERVED" => true, 3637 3638 // IPPROTO_MAX was increased in 5.6 for IPPROTO_MPTCP: 3639 | "IPPROTO_MAX" 3640 | "IPPROTO_ETHERNET" 3641 | "IPPROTO_MPTCP" => true, 3642 3643 // FIXME: Not currently available in headers 3644 "P_PIDFD" if mips => true, 3645 "SYS_pidfd_open" if mips => true, 3646 3647 // FIXME: Not currently available in headers on MIPS 3648 // Not yet implemented on sparc64 3649 "SYS_clone3" if mips | sparc64 => true, 3650 3651 // FIXME: Not defined on ARM, gnueabihf, MIPS, musl, PowerPC, riscv64, s390x, and sparc64. 3652 "SYS_memfd_secret" if arm | gnueabihf | mips | musl | ppc | riscv64 | s390x | sparc64 => true, 3653 3654 // FIXME: Added in Linux 5.16 3655 // https://github.com/torvalds/linux/commit/039c0ec9bb77446d7ada7f55f90af9299b28ca49 3656 "SYS_futex_waitv" => true, 3657 3658 // FIXME: Added in Linux 5.17 3659 // https://github.com/torvalds/linux/commit/c6018b4b254971863bd0ad36bb5e7d0fa0f0ddb0 3660 "SYS_set_mempolicy_home_node" => true, 3661 3662 // FIXME: Added in Linux 5.18 3663 // https://github.com/torvalds/linux/commit/8b5413647262dda8d8d0e07e14ea1de9ac7cf0b2 3664 "NFQA_PRIORITY" => true, 3665 3666 // FIXME: requires more recent kernel headers on CI 3667 | "UINPUT_VERSION" 3668 | "SW_MAX" 3669 | "SW_CNT" 3670 if mips || ppc64 || riscv64 => true, 3671 3672 // FIXME: Not currently available in headers on ARM, MIPS and musl. 3673 "NETLINK_GET_STRICT_CHK" if arm || mips || musl => true, 3674 3675 // kernel constants not available in uclibc 1.0.34 3676 | "EXTPROC" 3677 | "FAN_MARK_FILESYSTEM" 3678 | "FAN_MARK_INODE" 3679 | "IPPROTO_BEETPH" 3680 | "IPPROTO_MPLS" 3681 | "IPV6_HDRINCL" 3682 | "IPV6_MULTICAST_ALL" 3683 | "IPV6_PMTUDISC_INTERFACE" 3684 | "IPV6_PMTUDISC_OMIT" 3685 | "IPV6_ROUTER_ALERT_ISOLATE" 3686 | "PACKET_MR_UNICAST" 3687 | "RUSAGE_THREAD" 3688 | "SHM_EXEC" 3689 | "UDP_GRO" 3690 | "UDP_SEGMENT" 3691 if uclibc => true, 3692 3693 // headers conflicts with linux/pidfd.h 3694 "PIDFD_NONBLOCK" => true, 3695 3696 // is a private value for kernel usage normally 3697 "FUSE_SUPER_MAGIC" => true, 3698 3699 // linux 5.17 min 3700 "PR_SET_VMA" | "PR_SET_VMA_ANON_NAME" => true, 3701 3702 // present in recent kernels only 3703 "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, 3704 3705 // present in recent kernels only >= 5.13 3706 "PR_PAC_SET_ENABLED_KEYS" | "PR_PAC_GET_ENABLED_KEYS" => true, 3707 // present in recent kernels only >= 5.19 3708 "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, 3709 3710 // Added in Linux 5.14 3711 "FUTEX_LOCK_PI2" => true, 3712 3713 // Added in linux 6.1 3714 "STATX_DIOALIGN" 3715 | "CAN_RAW_XL_FRAMES" 3716 | "CANXL_HDR_SIZE" 3717 | "CANXL_MAX_DLC" 3718 | "CANXL_MAX_DLC_MASK" 3719 | "CANXL_MAX_DLEN" 3720 | "CANXL_MAX_MTU" 3721 | "CANXL_MIN_DLC" 3722 | "CANXL_MIN_DLEN" 3723 | "CANXL_MIN_MTU" 3724 | "CANXL_MTU" 3725 | "CANXL_PRIO_BITS" 3726 | "CANXL_PRIO_MASK" 3727 | "CANXL_SEC" 3728 | "CANXL_XLF" 3729 => true, 3730 3731 // FIXME: Parts of netfilter/nfnetlink*.h require more recent kernel headers: 3732 | "RTNLGRP_MCTP_IFADDR" // linux v5.17+ 3733 | "RTNLGRP_TUNNEL" // linux v5.18+ 3734 | "RTNLGRP_STATS" // linux v5.18+ 3735 => true, 3736 3737 // FIXME: The below is no longer const in glibc 2.34: 3738 // https://github.com/bminor/glibc/commit/5d98a7dae955bafa6740c26eaba9c86060ae0344 3739 | "PTHREAD_STACK_MIN" 3740 | "SIGSTKSZ" 3741 | "MINSIGSTKSZ" 3742 if gnu => true, 3743 3744 // FIXME: Linux >= 5.16 changed its value: 3745 // https://github.com/torvalds/linux/commit/42df6e1d221dddc0f2acf2be37e68d553ad65f96 3746 "NF_NETDEV_NUMHOOKS" => true, 3747 3748 // FIXME: requires Linux >= 5.6: 3749 | "RESOLVE_BENEATH" 3750 | "RESOLVE_CACHED" 3751 | "RESOLVE_IN_ROOT" 3752 | "RESOLVE_NO_MAGICLINKS" 3753 | "RESOLVE_NO_SYMLINKS" 3754 | "RESOLVE_NO_XDEV" if musl => true, 3755 3756 // FIXME: requires Linux >= 5.4: 3757 | "CAN_J1939" 3758 | "CAN_NPROTO" if musl => true, 3759 3760 // FIXME: requires Linux >= 5.6 3761 "GRND_INSECURE" if musl => true, 3762 3763 // FIXME: requires Linux >= 5.7: 3764 "MREMAP_DONTUNMAP" if musl => true, 3765 3766 // FIXME: requires Linux >= v5.8 3767 "IF_LINK_MODE_TESTING" if musl || sparc64 => true, 3768 3769 // FIXME: Requires more recent kernel headers (5.9 / 5.11): 3770 | "CLOSE_RANGE_UNSHARE" 3771 | "CLOSE_RANGE_CLOEXEC" if musl => true, 3772 3773 // FIXME: requires Linux >= 5.12: 3774 "MPOL_F_NUMA_BALANCING" if musl => true, 3775 3776 // FIXME: Requires more recent kernel headers 3777 | "NFNL_SUBSYS_COUNT" // bumped in v5.14 3778 | "NFNL_SUBSYS_HOOK" // v5.14+ 3779 | "NFULA_VLAN" // v5.4+ 3780 | "NFULA_L2HDR" // v5.4+ 3781 | "NFULA_VLAN_PROTO" // v5.4+ 3782 | "NFULA_VLAN_TCI" // v5.4+ 3783 | "NFULA_VLAN_UNSPEC" // v5.4+ 3784 | "RTNLGRP_NEXTHOP" // linux v5.3+ 3785 | "RTNLGRP_BRVLAN" // linux v5.6+ 3786 if musl => true, 3787 3788 | "MADV_COLD" 3789 | "MADV_PAGEOUT" 3790 | "MADV_POPULATE_READ" 3791 | "MADV_POPULATE_WRITE" 3792 if musl => true, 3793 3794 // FIXME: Requires more recent kernel headers 3795 | "IFLA_PARENT_DEV_NAME" // linux v5.13+ 3796 | "IFLA_PARENT_DEV_BUS_NAME" // linux v5.13+ 3797 | "IFLA_GRO_MAX_SIZE" // linux v5.16+ 3798 | "IFLA_TSO_MAX_SIZE" // linux v5.18+ 3799 | "IFLA_TSO_MAX_SEGS" // linux v5.18+ 3800 | "IFLA_ALLMULTI" // linux v6.0+ 3801 | "MADV_DONTNEED_LOCKED" // linux v5.18+ 3802 => true, 3803 "SCTP_FUTURE_ASSOC" | "SCTP_CURRENT_ASSOC" | "SCTP_ALL_ASSOC" | "SCTP_PEER_ADDR_THLDS_V2" => true, // linux 5.5+ 3804 3805 // FIXME: Requires more recent kernel headers 3806 "HWTSTAMP_TX_ONESTEP_P2P" if musl => true, // linux v5.6+ 3807 3808 _ => false, 3809 } 3810 }); 3811 3812 cfg.skip_fn(move |name| { 3813 // skip those that are manually verified 3814 match name { 3815 // FIXME: https://github.com/rust-lang/libc/issues/1272 3816 "execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true, 3817 3818 // There are two versions of the sterror_r function, see 3819 // 3820 // https://linux.die.net/man/3/strerror_r 3821 // 3822 // An XSI-compliant version provided if: 3823 // 3824 // (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) 3825 // && ! _GNU_SOURCE 3826 // 3827 // and a GNU specific version provided if _GNU_SOURCE is defined. 3828 // 3829 // libc provides bindings for the XSI-compliant version, which is 3830 // preferred for portable applications. 3831 // 3832 // We skip the test here since here _GNU_SOURCE is defined, and 3833 // test the XSI version below. 3834 "strerror_r" => true, 3835 3836 // FIXME: Our API is unsound. The Rust API allows aliasing 3837 // pointers, but the C API requires pointers not to alias. 3838 // We should probably be at least using `&`/`&mut` here, see: 3839 // https://github.com/gnzlbg/ctest/issues/68 3840 "lio_listio" if musl => true, 3841 3842 // Needs glibc 2.34 or later. 3843 "posix_spawn_file_actions_addclosefrom_np" if gnu && sparc64 => true, 3844 // Needs glibc 2.35 or later. 3845 "posix_spawn_file_actions_addtcsetpgrp_np" if gnu && sparc64 => true, 3846 3847 // FIXME: Deprecated since glibc 2.30. Remove fn once upstream does. 3848 "sysctl" if gnu => true, 3849 3850 // FIXME: It now takes c_void instead of timezone since glibc 2.31. 3851 "gettimeofday" if gnu => true, 3852 3853 // These are all implemented as static inline functions in uclibc, so 3854 // they cannot be linked against. 3855 // If implementations are required, they might need to be implemented 3856 // in this crate. 3857 "posix_spawnattr_init" if uclibc => true, 3858 "posix_spawnattr_destroy" if uclibc => true, 3859 "posix_spawnattr_getsigdefault" if uclibc => true, 3860 "posix_spawnattr_setsigdefault" if uclibc => true, 3861 "posix_spawnattr_getsigmask" if uclibc => true, 3862 "posix_spawnattr_setsigmask" if uclibc => true, 3863 "posix_spawnattr_getflags" if uclibc => true, 3864 "posix_spawnattr_setflags" if uclibc => true, 3865 "posix_spawnattr_getpgroup" if uclibc => true, 3866 "posix_spawnattr_setpgroup" if uclibc => true, 3867 "posix_spawnattr_getschedpolicy" if uclibc => true, 3868 "posix_spawnattr_setschedpolicy" if uclibc => true, 3869 "posix_spawnattr_getschedparam" if uclibc => true, 3870 "posix_spawnattr_setschedparam" if uclibc => true, 3871 "posix_spawn_file_actions_init" if uclibc => true, 3872 "posix_spawn_file_actions_destroy" if uclibc => true, 3873 3874 // uclibc defines the flags type as a uint, but dependent crates 3875 // assume it's a int instead. 3876 "getnameinfo" if uclibc => true, 3877 3878 // FIXME: This needs musl 1.2.2 or later. 3879 "gettid" if musl => true, 3880 3881 // Needs glibc 2.33 or later. 3882 "mallinfo2" => true, 3883 3884 "reallocarray" if musl => true, 3885 3886 // Not defined in uclibc as of 1.0.34 3887 "gettid" if uclibc => true, 3888 3889 // Needs musl 1.2.3 or later. 3890 "pthread_getname_np" if musl => true, 3891 3892 // pthread_sigqueue uses sigval, which was initially declared 3893 // as a struct but should be defined as a union. However due 3894 // to the issues described here: https://github.com/rust-lang/libc/issues/2816 3895 // it can't be changed from struct. 3896 "pthread_sigqueue" => true, 3897 3898 // There are two versions of basename(3) on Linux with glibc, see 3899 // 3900 // https://man7.org/linux/man-pages/man3/basename.3.html 3901 // 3902 // If libgen.h is included, then the POSIX version will be available; 3903 // If _GNU_SOURCE is defined and string.h is included, then the GNU one 3904 // will be used. 3905 // 3906 // libc exposes both of them, providing a prefix to differentiate between 3907 // them. 3908 // 3909 // Because the name with prefix is not a valid symbol in C, we have to 3910 // skip the tests. 3911 "posix_basename" if gnu => true, 3912 "gnu_basename" if gnu => true, 3913 3914 _ => false, 3915 } 3916 }); 3917 3918 cfg.skip_field_type(move |struct_, field| { 3919 // This is a weird union, don't check the type. 3920 (struct_ == "ifaddrs" && field == "ifa_ifu") || 3921 // sighandler_t type is super weird 3922 (struct_ == "sigaction" && field == "sa_sigaction") || 3923 // __timeval type is a patch which doesn't exist in glibc 3924 (struct_ == "utmpx" && field == "ut_tv") || 3925 // sigval is actually a union, but we pretend it's a struct 3926 (struct_ == "sigevent" && field == "sigev_value") || 3927 // this one is an anonymous union 3928 (struct_ == "ff_effect" && field == "u") || 3929 // `__exit_status` type is a patch which is absent in musl 3930 (struct_ == "utmpx" && field == "ut_exit" && musl) || 3931 // `can_addr` is an anonymous union 3932 (struct_ == "sockaddr_can" && field == "can_addr") 3933 }); 3934 3935 cfg.volatile_item(|i| { 3936 use ctest::VolatileItemKind::*; 3937 match i { 3938 // aio_buf is a volatile void** but since we cannot express that in 3939 // Rust types, we have to explicitly tell the checker about it here: 3940 StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => true, 3941 _ => false, 3942 } 3943 }); 3944 3945 cfg.skip_field(move |struct_, field| { 3946 // this is actually a union on linux, so we can't represent it well and 3947 // just insert some padding. 3948 (struct_ == "siginfo_t" && field == "_pad") || 3949 // musl names this __dummy1 but it's still there 3950 (musl && struct_ == "glob_t" && field == "gl_flags") || 3951 // musl seems to define this as an *anonymous* bitfield 3952 (musl && struct_ == "statvfs" && field == "__f_unused") || 3953 // sigev_notify_thread_id is actually part of a sigev_un union 3954 (struct_ == "sigevent" && field == "sigev_notify_thread_id") || 3955 // signalfd had SIGSYS fields added in Linux 4.18, but no libc release 3956 // has them yet. 3957 (struct_ == "signalfd_siginfo" && (field == "ssi_addr_lsb" || 3958 field == "_pad2" || 3959 field == "ssi_syscall" || 3960 field == "ssi_call_addr" || 3961 field == "ssi_arch")) || 3962 // FIXME: After musl 1.1.24, it have only one field `sched_priority`, 3963 // while other fields become reserved. 3964 (struct_ == "sched_param" && [ 3965 "sched_ss_low_priority", 3966 "sched_ss_repl_period", 3967 "sched_ss_init_budget", 3968 "sched_ss_max_repl", 3969 ].contains(&field) && musl) || 3970 // FIXME: After musl 1.1.24, the type becomes `int` instead of `unsigned short`. 3971 (struct_ == "ipc_perm" && field == "__seq" && aarch64_musl) || 3972 // glibc uses unnamed fields here and Rust doesn't support that yet 3973 (struct_ == "timex" && field.starts_with("__unused")) || 3974 // FIXME: It now takes mode_t since glibc 2.31 on some targets. 3975 (struct_ == "ipc_perm" && field == "mode" 3976 && ((x86_64 || i686 || arm || riscv64) && gnu || x86_64_gnux32) 3977 ) || 3978 // the `u` field is in fact an anonymous union 3979 (gnu && struct_ == "ptrace_syscall_info" && (field == "u" || field == "pad")) || 3980 // the vregs field is a `__uint128_t` C's type. 3981 (struct_ == "user_fpsimd_struct" && field == "vregs") || 3982 // Linux >= 5.11 tweaked the `svm_zero` field of the `sockaddr_vm` struct. 3983 // https://github.com/torvalds/linux/commit/dc8eeef73b63ed8988224ba6b5ed19a615163a7f 3984 (struct_ == "sockaddr_vm" && field == "svm_zero") || 3985 // the `ifr_ifru` field is an anonymous union 3986 (struct_ == "ifreq" && field == "ifr_ifru") || 3987 // glibc uses a single array `uregs` instead of individual fields. 3988 (struct_ == "user_regs" && arm) 3989 }); 3990 3991 cfg.skip_roundtrip(move |s| match s { 3992 // FIXME: 3993 "utsname" if mips32 || mips64 => true, 3994 // FIXME: 3995 "mcontext_t" if s390x => true, 3996 // FIXME: This is actually a union. 3997 "fpreg_t" if s390x => true, 3998 3999 "sockaddr_un" | "sembuf" | "ff_constant_effect" if mips32 && (gnu || musl) => true, 4000 4001 // The test doesn't work on some env: 4002 "ipv6_mreq" 4003 | "ip_mreq_source" 4004 | "sockaddr_in6" 4005 | "sockaddr_ll" 4006 | "in_pktinfo" 4007 | "arpreq" 4008 | "arpreq_old" 4009 | "sockaddr_un" 4010 | "ff_constant_effect" 4011 | "ff_ramp_effect" 4012 | "ff_condition_effect" 4013 | "Elf32_Ehdr" 4014 | "Elf32_Chdr" 4015 | "ucred" 4016 | "in6_pktinfo" 4017 | "sockaddr_nl" 4018 | "termios" 4019 | "nlmsgerr" 4020 if (mips64 || sparc64) && gnu => 4021 { 4022 true 4023 } 4024 4025 // The `inotify_event` and `cmsghdr` types contain Flexible Array Member fields (the 4026 // `name` and `data` fields respectively) which have unspecified calling convention. 4027 // The roundtripping tests deliberately pass the structs by value to check "by value" 4028 // layout consistency, but this would be UB for the these types. 4029 "inotify_event" => true, 4030 "cmsghdr" => true, 4031 4032 // FIXME: the call ABI of max_align_t is incorrect on these platforms: 4033 "max_align_t" if i686 || mips64 || ppc64 => true, 4034 4035 _ => false, 4036 }); 4037 4038 cfg.generate("../src/lib.rs", "main.rs"); 4039 4040 test_linux_like_apis(target); 4041 } 4042 4043 // This function tests APIs that are incompatible to test when other APIs 4044 // are included (e.g. because including both sets of headers clashes) 4045 fn test_linux_like_apis(target: &str) { 4046 let gnu = target.contains("gnu"); 4047 let musl = target.contains("musl") || target.contains("ohos"); 4048 let linux = target.contains("linux"); 4049 let emscripten = target.contains("emscripten"); 4050 let android = target.contains("android"); 4051 assert!(linux || android || emscripten); 4052 4053 if linux || android || emscripten { 4054 // test strerror_r from the `string.h` header 4055 let mut cfg = ctest_cfg(); 4056 cfg.skip_type(|_| true).skip_static(|_| true); 4057 4058 headers! { cfg: "string.h" } 4059 cfg.skip_fn(|f| match f { 4060 "strerror_r" => false, 4061 _ => true, 4062 }) 4063 .skip_const(|_| true) 4064 .skip_struct(|_| true); 4065 cfg.generate("../src/lib.rs", "linux_strerror_r.rs"); 4066 } 4067 4068 if linux || android || emscripten { 4069 // test fcntl - see: 4070 // http://man7.org/linux/man-pages/man2/fcntl.2.html 4071 let mut cfg = ctest_cfg(); 4072 4073 if musl { 4074 cfg.header("fcntl.h"); 4075 } else { 4076 cfg.header("linux/fcntl.h"); 4077 } 4078 4079 cfg.skip_type(|_| true) 4080 .skip_static(|_| true) 4081 .skip_struct(|_| true) 4082 .skip_fn(|_| true) 4083 .skip_const(move |name| match name { 4084 // test fcntl constants: 4085 "F_CANCELLK" | "F_ADD_SEALS" | "F_GET_SEALS" | "F_SEAL_SEAL" | "F_SEAL_SHRINK" 4086 | "F_SEAL_GROW" | "F_SEAL_WRITE" => false, 4087 _ => true, 4088 }) 4089 .type_name(move |ty, is_struct, is_union| match ty { 4090 t if is_struct => format!("struct {}", t), 4091 t if is_union => format!("union {}", t), 4092 t => t.to_string(), 4093 }); 4094 4095 cfg.generate("../src/lib.rs", "linux_fcntl.rs"); 4096 } 4097 4098 if linux || android { 4099 // test termios 4100 let mut cfg = ctest_cfg(); 4101 cfg.header("asm/termbits.h"); 4102 cfg.header("linux/termios.h"); 4103 cfg.skip_type(|_| true) 4104 .skip_static(|_| true) 4105 .skip_fn(|_| true) 4106 .skip_const(|c| match c { 4107 "BOTHER" | "IBSHIFT" => false, 4108 "TCGETS2" | "TCSETS2" | "TCSETSW2" | "TCSETSF2" => false, 4109 _ => true, 4110 }) 4111 .skip_struct(|s| s != "termios2") 4112 .type_name(move |ty, is_struct, is_union| match ty { 4113 "Ioctl" if gnu => "unsigned long".to_string(), 4114 "Ioctl" => "int".to_string(), 4115 t if is_struct => format!("struct {}", t), 4116 t if is_union => format!("union {}", t), 4117 t => t.to_string(), 4118 }); 4119 cfg.generate("../src/lib.rs", "linux_termios.rs"); 4120 } 4121 4122 if linux || android { 4123 // test IPV6_ constants: 4124 let mut cfg = ctest_cfg(); 4125 headers! { 4126 cfg: 4127 "linux/in6.h" 4128 } 4129 cfg.skip_type(|_| true) 4130 .skip_static(|_| true) 4131 .skip_fn(|_| true) 4132 .skip_const(|_| true) 4133 .skip_struct(|_| true) 4134 .skip_const(move |name| match name { 4135 "IPV6_FLOWINFO" 4136 | "IPV6_FLOWLABEL_MGR" 4137 | "IPV6_FLOWINFO_SEND" 4138 | "IPV6_FLOWINFO_FLOWLABEL" 4139 | "IPV6_FLOWINFO_PRIORITY" => false, 4140 _ => true, 4141 }) 4142 .type_name(move |ty, is_struct, is_union| match ty { 4143 t if is_struct => format!("struct {}", t), 4144 t if is_union => format!("union {}", t), 4145 t => t.to_string(), 4146 }); 4147 cfg.generate("../src/lib.rs", "linux_ipv6.rs"); 4148 } 4149 4150 if linux || android { 4151 // Test Elf64_Phdr and Elf32_Phdr 4152 // These types have a field called `p_type`, but including 4153 // "resolve.h" defines a `p_type` macro that expands to `__p_type` 4154 // making the tests for these fails when both are included. 4155 let mut cfg = ctest_cfg(); 4156 cfg.header("elf.h"); 4157 cfg.skip_fn(|_| true) 4158 .skip_static(|_| true) 4159 .skip_const(|_| true) 4160 .type_name(move |ty, _is_struct, _is_union| ty.to_string()) 4161 .skip_struct(move |ty| match ty { 4162 "Elf64_Phdr" | "Elf32_Phdr" => false, 4163 _ => true, 4164 }) 4165 .skip_type(move |ty| match ty { 4166 "Elf64_Phdr" | "Elf32_Phdr" => false, 4167 _ => true, 4168 }); 4169 cfg.generate("../src/lib.rs", "linux_elf.rs"); 4170 } 4171 4172 if linux || android { 4173 // Test `ARPHRD_CAN`. 4174 let mut cfg = ctest_cfg(); 4175 cfg.header("linux/if_arp.h"); 4176 cfg.skip_fn(|_| true) 4177 .skip_static(|_| true) 4178 .skip_const(move |name| match name { 4179 "ARPHRD_CAN" => false, 4180 _ => true, 4181 }) 4182 .skip_struct(|_| true) 4183 .skip_type(|_| true); 4184 cfg.generate("../src/lib.rs", "linux_if_arp.rs"); 4185 } 4186 } 4187 4188 fn which_freebsd() -> Option<i32> { 4189 let output = std::process::Command::new("freebsd-version") 4190 .output() 4191 .ok()?; 4192 if !output.status.success() { 4193 return None; 4194 } 4195 4196 let stdout = String::from_utf8(output.stdout).ok()?; 4197 4198 match &stdout { 4199 s if s.starts_with("10") => Some(10), 4200 s if s.starts_with("11") => Some(11), 4201 s if s.starts_with("12") => Some(12), 4202 s if s.starts_with("13") => Some(13), 4203 s if s.starts_with("14") => Some(14), 4204 _ => None, 4205 } 4206 } 4207 4208 fn test_haiku(target: &str) { 4209 assert!(target.contains("haiku")); 4210 4211 let mut cfg = ctest_cfg(); 4212 cfg.flag("-Wno-deprecated-declarations"); 4213 cfg.define("__USE_GNU", Some("1")); 4214 cfg.define("_GNU_SOURCE", None); 4215 cfg.language(ctest::Lang::CXX); 4216 4217 // POSIX API 4218 headers! { cfg: 4219 "alloca.h", 4220 "arpa/inet.h", 4221 "arpa/nameser.h", 4222 "arpa/nameser_compat.h", 4223 "assert.h", 4224 "complex.h", 4225 "ctype.h", 4226 "dirent.h", 4227 "div_t.h", 4228 "dlfcn.h", 4229 "endian.h", 4230 "errno.h", 4231 "fcntl.h", 4232 "fenv.h", 4233 "fnmatch.h", 4234 "fts.h", 4235 "ftw.h", 4236 "getopt.h", 4237 "glob.h", 4238 "grp.h", 4239 "inttypes.h", 4240 "iovec.h", 4241 "langinfo.h", 4242 "libgen.h", 4243 "libio.h", 4244 "limits.h", 4245 "locale.h", 4246 "malloc.h", 4247 "malloc_debug.h", 4248 "math.h", 4249 "memory.h", 4250 "monetary.h", 4251 "net/if.h", 4252 "net/if_dl.h", 4253 "net/if_media.h", 4254 "net/if_tun.h", 4255 "net/if_types.h", 4256 "net/route.h", 4257 "netdb.h", 4258 "netinet/in.h", 4259 "netinet/ip.h", 4260 "netinet/ip6.h", 4261 "netinet/ip_icmp.h", 4262 "netinet/ip_var.h", 4263 "netinet/tcp.h", 4264 "netinet/udp.h", 4265 "netinet6/in6.h", 4266 "nl_types.h", 4267 "null.h", 4268 "poll.h", 4269 "pthread.h", 4270 "pwd.h", 4271 "regex.h", 4272 "resolv.h", 4273 "sched.h", 4274 "search.h", 4275 "semaphore.h", 4276 "setjmp.h", 4277 "shadow.h", 4278 "signal.h", 4279 "size_t.h", 4280 "spawn.h", 4281 "stdint.h", 4282 "stdio.h", 4283 "stdlib.h", 4284 "string.h", 4285 "strings.h", 4286 "sys/cdefs.h", 4287 "sys/file.h", 4288 "sys/ioctl.h", 4289 "sys/ipc.h", 4290 "sys/mman.h", 4291 "sys/msg.h", 4292 "sys/param.h", 4293 "sys/poll.h", 4294 "sys/resource.h", 4295 "sys/select.h", 4296 "sys/sem.h", 4297 "sys/socket.h", 4298 "sys/sockio.h", 4299 "sys/stat.h", 4300 "sys/statvfs.h", 4301 "sys/time.h", 4302 "sys/timeb.h", 4303 "sys/times.h", 4304 "sys/types.h", 4305 "sys/uio.h", 4306 "sys/un.h", 4307 "sys/utsname.h", 4308 "sys/wait.h", 4309 "syslog.h", 4310 "tar.h", 4311 "termios.h", 4312 "time.h", 4313 "uchar.h", 4314 "unistd.h", 4315 "utime.h", 4316 "utmpx.h", 4317 "wchar.h", 4318 "wchar_t.h", 4319 "wctype.h" 4320 } 4321 4322 // BSD Extensions 4323 headers! { cfg: 4324 "ifaddrs.h", 4325 "libutil.h", 4326 "link.h", 4327 "pty.h", 4328 "stringlist.h", 4329 "sys/link_elf.h", 4330 } 4331 4332 // Native API 4333 headers! { cfg: 4334 "kernel/OS.h", 4335 "kernel/fs_attr.h", 4336 "kernel/fs_index.h", 4337 "kernel/fs_info.h", 4338 "kernel/fs_query.h", 4339 "kernel/fs_volume.h", 4340 "kernel/image.h", 4341 "kernel/scheduler.h", 4342 "storage/FindDirectory.h", 4343 "storage/StorageDefs.h", 4344 "support/Errors.h", 4345 "support/SupportDefs.h", 4346 "support/TypeConstants.h" 4347 } 4348 4349 cfg.skip_struct(move |ty| { 4350 if ty.starts_with("__c_anonymous_") { 4351 return true; 4352 } 4353 match ty { 4354 // FIXME: actually a union 4355 "sigval" => true, 4356 // FIXME: locale_t does not exist on Haiku 4357 "locale_t" => true, 4358 // FIXME: rusage has a different layout on Haiku 4359 "rusage" => true, 4360 // FIXME?: complains that rust aligns on 4 byte boundary, but 4361 // Haiku does not align it at all. 4362 "in6_addr" => true, 4363 // The d_name attribute is an array of 1 on Haiku, with the 4364 // intention that the developer allocates a larger or smaller 4365 // piece of memory depending on the expected/actual size of the name. 4366 // Other platforms have sensible defaults. In Rust, the d_name field 4367 // is sized as the _POSIX_MAX_PATH, so that path names will fit in 4368 // newly allocated dirent objects. This breaks the automated tests. 4369 "dirent" => true, 4370 // The following structs contain function pointers, which cannot be initialized 4371 // with mem::zeroed(), so skip the automated test 4372 "image_info" | "thread_info" => true, 4373 4374 "Elf64_Phdr" => true, 4375 4376 // is an union 4377 "cpuid_info" => true, 4378 4379 _ => false, 4380 } 4381 }); 4382 4383 cfg.skip_type(move |ty| { 4384 match ty { 4385 // FIXME: locale_t does not exist on Haiku 4386 "locale_t" => true, 4387 // These cause errors, to be reviewed in the future 4388 "sighandler_t" => true, 4389 "pthread_t" => true, 4390 "pthread_condattr_t" => true, 4391 "pthread_mutexattr_t" => true, 4392 "pthread_rwlockattr_t" => true, 4393 _ => false, 4394 } 4395 }); 4396 4397 cfg.skip_fn(move |name| { 4398 // skip those that are manually verified 4399 match name { 4400 // FIXME: https://github.com/rust-lang/libc/issues/1272 4401 "execv" | "execve" | "execvp" | "execvpe" => true, 4402 // FIXME: does not exist on haiku 4403 "open_wmemstream" => true, 4404 "mlockall" | "munlockall" => true, 4405 "tcgetsid" => true, 4406 "cfsetspeed" => true, 4407 // ignore for now, will be part of Haiku R1 beta 3 4408 "mlock" | "munlock" => true, 4409 // returns const char * on Haiku 4410 "strsignal" => true, 4411 // uses an enum as a parameter argument, which is incorrectly 4412 // translated into a struct argument 4413 "find_path" => true, 4414 4415 "get_cpuid" => true, 4416 4417 // uses varargs parameter 4418 "ioctl" => true, 4419 4420 _ => false, 4421 } 4422 }); 4423 4424 cfg.skip_const(move |name| { 4425 match name { 4426 // FIXME: these constants do not exist on Haiku 4427 "DT_UNKNOWN" | "DT_FIFO" | "DT_CHR" | "DT_DIR" | "DT_BLK" | "DT_REG" | "DT_LNK" 4428 | "DT_SOCK" => true, 4429 "USRQUOTA" | "GRPQUOTA" => true, 4430 "SIGIOT" => true, 4431 "ARPOP_REQUEST" | "ARPOP_REPLY" | "ATF_COM" | "ATF_PERM" | "ATF_PUBL" 4432 | "ATF_USETRAILERS" => true, 4433 // Haiku does not have MAP_FILE, but rustc requires it 4434 "MAP_FILE" => true, 4435 // The following does not exist on Haiku but is required by 4436 // several crates 4437 "FIOCLEX" => true, 4438 // just skip this one, it is not defined on Haiku beta 2 but 4439 // since it is meant as a mask and not a parameter it can exist 4440 // here 4441 "LOG_PRIMASK" => true, 4442 // not defined on Haiku, but [get|set]priority is, so they are 4443 // useful 4444 "PRIO_MIN" | "PRIO_MAX" => true, 4445 // 4446 _ => false, 4447 } 4448 }); 4449 4450 cfg.skip_field(move |struct_, field| { 4451 match (struct_, field) { 4452 // FIXME: the stat struct actually has timespec members, whereas 4453 // the current representation has these unpacked. 4454 ("stat", "st_atime") => true, 4455 ("stat", "st_atime_nsec") => true, 4456 ("stat", "st_mtime") => true, 4457 ("stat", "st_mtime_nsec") => true, 4458 ("stat", "st_ctime") => true, 4459 ("stat", "st_ctime_nsec") => true, 4460 ("stat", "st_crtime") => true, 4461 ("stat", "st_crtime_nsec") => true, 4462 4463 // these are actually unions, but we cannot represent it well 4464 ("siginfo_t", "sigval") => true, 4465 ("sem_t", "named_sem_id") => true, 4466 ("sigaction", "sa_sigaction") => true, 4467 ("sigevent", "sigev_value") => true, 4468 ("fpu_state", "_fpreg") => true, 4469 // these fields have a simplified data definition in libc 4470 ("fpu_state", "_xmm") => true, 4471 ("savefpu", "_fp_ymm") => true, 4472 4473 // skip these enum-type fields 4474 ("thread_info", "state") => true, 4475 ("image_info", "image_type") => true, 4476 _ => false, 4477 } 4478 }); 4479 4480 cfg.skip_roundtrip(move |s| match s { 4481 // FIXME: for some reason the roundtrip check fails for cpu_info 4482 "cpu_info" => true, 4483 _ => false, 4484 }); 4485 4486 cfg.type_name(move |ty, is_struct, is_union| { 4487 match ty { 4488 // Just pass all these through, no need for a "struct" prefix 4489 "area_info" | "port_info" | "port_message_info" | "team_info" | "sem_info" 4490 | "team_usage_info" | "thread_info" | "cpu_info" | "system_info" 4491 | "object_wait_info" | "image_info" | "attr_info" | "index_info" | "fs_info" 4492 | "FILE" | "DIR" | "Dl_info" => ty.to_string(), 4493 4494 // enums don't need a prefix 4495 "directory_which" | "path_base_directory" => ty.to_string(), 4496 4497 // is actually a union 4498 "sigval" => format!("union sigval"), 4499 t if is_union => format!("union {}", t), 4500 t if t.ends_with("_t") => t.to_string(), 4501 t if is_struct => format!("struct {}", t), 4502 t => t.to_string(), 4503 } 4504 }); 4505 4506 cfg.field_name(move |struct_, field| { 4507 match field { 4508 // Field is named `type` in C but that is a Rust keyword, 4509 // so these fields are translated to `type_` in the bindings. 4510 "type_" if struct_ == "object_wait_info" => "type".to_string(), 4511 "type_" if struct_ == "sem_t" => "type".to_string(), 4512 "type_" if struct_ == "attr_info" => "type".to_string(), 4513 "type_" if struct_ == "index_info" => "type".to_string(), 4514 "image_type" if struct_ == "image_info" => "type".to_string(), 4515 s => s.to_string(), 4516 } 4517 }); 4518 cfg.generate("../src/lib.rs", "main.rs"); 4519 } 4520