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-rw-r--r--libc/libc-test/build.rs521
1 files changed, 521 insertions, 0 deletions
diff --git a/libc/libc-test/build.rs b/libc/libc-test/build.rs
new file mode 100644
index 0000000..4ebba50
--- /dev/null
+++ b/libc/libc-test/build.rs
@@ -0,0 +1,521 @@
+#![deny(warnings)]
+
+extern crate ctest;
+
+use std::env;
+
+fn main() {
+ let target = env::var("TARGET").unwrap();
+ let aarch64 = target.contains("aarch64");
+ let x86_64 = target.contains("x86_64");
+ let windows = target.contains("windows");
+ let mingw = target.contains("windows-gnu");
+ let linux = target.contains("unknown-linux");
+ let android = target.contains("android");
+ let apple = target.contains("apple");
+ let musl = target.contains("musl");
+ let freebsd = target.contains("freebsd");
+ let dragonfly = target.contains("dragonfly");
+ let mips = target.contains("mips");
+ let netbsd = target.contains("netbsd");
+ let openbsd = target.contains("openbsd");
+ let rumprun = target.contains("rumprun");
+ let bsdlike = freebsd || apple || netbsd || openbsd || dragonfly;
+ let mut cfg = ctest::TestGenerator::new();
+
+ // Pull in extra goodies
+ if linux || android {
+ cfg.define("_GNU_SOURCE", None);
+ } else if netbsd {
+ cfg.define("_NETBSD_SOURCE", Some("1"));
+ } else if windows {
+ cfg.define("_WIN32_WINNT", Some("0x8000"));
+ }
+
+ // Android doesn't actually have in_port_t but it's much easier if we
+ // provide one for us to test against
+ if android {
+ cfg.define("in_port_t", Some("uint16_t"));
+ }
+
+ cfg.header("errno.h")
+ .header("fcntl.h")
+ .header("limits.h")
+ .header("locale.h")
+ .header("stddef.h")
+ .header("stdint.h")
+ .header("stdio.h")
+ .header("stdlib.h")
+ .header("sys/stat.h")
+ .header("sys/types.h")
+ .header("time.h")
+ .header("wchar.h");
+
+ if windows {
+ cfg.header("winsock2.h"); // must be before windows.h
+
+ cfg.header("direct.h");
+ cfg.header("io.h");
+ cfg.header("sys/utime.h");
+ cfg.header("windows.h");
+ cfg.header("process.h");
+ cfg.header("ws2ipdef.h");
+
+ if target.contains("gnu") {
+ cfg.header("ws2tcpip.h");
+ }
+ } else {
+ cfg.flag("-Wno-deprecated-declarations");
+
+ cfg.header("ctype.h");
+ cfg.header("dirent.h");
+ if openbsd {
+ cfg.header("sys/socket.h");
+ }
+ cfg.header("net/if.h");
+ cfg.header("netdb.h");
+ cfg.header("netinet/in.h");
+ cfg.header("netinet/ip.h");
+ cfg.header("netinet/tcp.h");
+ cfg.header("pthread.h");
+ cfg.header("dlfcn.h");
+ cfg.header("signal.h");
+ cfg.header("string.h");
+ cfg.header("sys/file.h");
+ cfg.header("sys/ioctl.h");
+ cfg.header("sys/mman.h");
+ cfg.header("sys/resource.h");
+ cfg.header("sys/socket.h");
+ cfg.header("sys/time.h");
+ cfg.header("sys/un.h");
+ cfg.header("sys/wait.h");
+ cfg.header("unistd.h");
+ cfg.header("utime.h");
+ cfg.header("pwd.h");
+ cfg.header("grp.h");
+ cfg.header("sys/utsname.h");
+ cfg.header("sys/ptrace.h");
+ cfg.header("sys/mount.h");
+ cfg.header("sys/uio.h");
+ cfg.header("sched.h");
+ cfg.header("termios.h");
+ cfg.header("poll.h");
+ cfg.header("syslog.h");
+ cfg.header("semaphore.h");
+ cfg.header("sys/statvfs.h");
+ }
+
+ if android {
+ if !aarch64 {
+ // time64_t is not define for aarch64
+ // If included it will generate the error 'Your time_t is already 64-bit'
+ cfg.header("time64.h");
+ }
+ cfg.header("arpa/inet.h");
+ cfg.header("xlocale.h");
+ cfg.header("utmp.h");
+ } else if !windows {
+ cfg.header("glob.h");
+ cfg.header("ifaddrs.h");
+ cfg.header("langinfo.h");
+
+ if !openbsd && !freebsd && !dragonfly {
+ cfg.header("sys/quota.h");
+ }
+
+ if !musl {
+ cfg.header("sys/sysctl.h");
+
+ if !netbsd && !openbsd {
+ cfg.header("execinfo.h");
+ cfg.header("xlocale.h");
+ }
+
+ if openbsd {
+ cfg.header("utmp.h");
+ } else {
+ cfg.header("utmpx.h");
+ }
+ }
+ }
+
+ if apple {
+ cfg.header("mach-o/dyld.h");
+ cfg.header("mach/mach_time.h");
+ cfg.header("malloc/malloc.h");
+ cfg.header("util.h");
+ if target.starts_with("x86") {
+ cfg.header("crt_externs.h");
+ }
+ }
+
+ if bsdlike {
+ cfg.header("sys/event.h");
+
+ if freebsd {
+ cfg.header("libutil.h");
+ } else {
+ cfg.header("util.h");
+ }
+ }
+
+ if linux {
+ cfg.header("mqueue.h");
+ cfg.header("ucontext.h");
+ cfg.header("sys/signalfd.h");
+ cfg.header("sys/xattr.h");
+ cfg.header("sys/ipc.h");
+ cfg.header("sys/msg.h");
+ cfg.header("sys/shm.h");
+ cfg.header("sys/fsuid.h");
+ cfg.header("pty.h");
+ cfg.header("shadow.h");
+ }
+
+ if linux || android {
+ cfg.header("malloc.h");
+ cfg.header("net/ethernet.h");
+ cfg.header("netpacket/packet.h");
+ cfg.header("sched.h");
+ cfg.header("sys/epoll.h");
+ cfg.header("sys/eventfd.h");
+ cfg.header("sys/prctl.h");
+ cfg.header("sys/sendfile.h");
+ cfg.header("sys/vfs.h");
+ cfg.header("sys/syscall.h");
+ cfg.header("sys/sysinfo.h");
+ cfg.header("sys/reboot.h");
+ if !musl {
+ cfg.header("linux/netlink.h");
+ cfg.header("linux/magic.h");
+ cfg.header("linux/reboot.h");
+
+ if !mips {
+ cfg.header("linux/quota.h");
+ }
+ }
+ }
+
+ if freebsd {
+ cfg.header("pthread_np.h");
+ cfg.header("sched.h");
+ cfg.header("ufs/ufs/quota.h");
+ cfg.header("sys/jail.h");
+ }
+
+ if netbsd {
+ cfg.header("ufs/ufs/quota.h");
+ cfg.header("ufs/ufs/quota1.h");
+ cfg.header("sys/ioctl_compat.h");
+ }
+
+ if openbsd {
+ cfg.header("ufs/ufs/quota.h");
+ cfg.header("pthread_np.h");
+ cfg.header("sys/syscall.h");
+ }
+
+ if dragonfly {
+ cfg.header("ufs/ufs/quota.h");
+ cfg.header("pthread_np.h");
+ cfg.header("sys/ioctl_compat.h");
+ }
+
+ if linux || freebsd || dragonfly || netbsd || apple {
+ cfg.header("aio.h");
+ }
+
+ cfg.type_name(move |ty, is_struct| {
+ match ty {
+ // Just pass all these through, no need for a "struct" prefix
+ "FILE" |
+ "fd_set" |
+ "Dl_info" |
+ "DIR" => ty.to_string(),
+
+ // Fixup a few types on windows that don't actually exist.
+ "time64_t" if windows => "__time64_t".to_string(),
+ "ssize_t" if windows => "SSIZE_T".to_string(),
+
+ // OSX calls this something else
+ "sighandler_t" if bsdlike => "sig_t".to_string(),
+
+ t if t.ends_with("_t") => t.to_string(),
+
+ // Windows uppercase structs don't have `struct` in front, there's a
+ // few special cases for windows, and then otherwise put `struct` in
+ // front of everything.
+ t if is_struct => {
+ if windows && ty.chars().next().unwrap().is_uppercase() {
+ t.to_string()
+ } else if windows && t == "stat" {
+ "struct __stat64".to_string()
+ } else if windows && t == "utimbuf" {
+ "struct __utimbuf64".to_string()
+ } else {
+ format!("struct {}", t)
+ }
+ }
+
+ t => t.to_string(),
+ }
+ });
+
+ let target2 = target.clone();
+ cfg.field_name(move |struct_, field| {
+ match field {
+ "st_birthtime" if openbsd && struct_ == "stat" => "__st_birthtime".to_string(),
+ "st_birthtime_nsec" if openbsd && struct_ == "stat" => "__st_birthtimensec".to_string(),
+ // Our stat *_nsec fields normally don't actually exist but are part
+ // of a timeval struct
+ s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
+ if target2.contains("apple") {
+ s.replace("_nsec", "spec.tv_nsec")
+ } else if target2.contains("android") {
+ s.to_string()
+ } else {
+ s.replace("e_nsec", ".tv_nsec")
+ }
+ }
+ "u64" if struct_ == "epoll_event" => "data.u64".to_string(),
+ s => s.to_string(),
+ }
+ });
+
+ cfg.skip_type(move |ty| {
+ match ty {
+ // sighandler_t is crazy across platforms
+ "sighandler_t" => true,
+
+ _ => false
+ }
+ });
+
+ cfg.skip_struct(move |ty| {
+ match ty {
+ "sockaddr_nl" => musl,
+
+ // On Linux, the type of `ut_tv` field of `struct utmpx`
+ // can be an anonymous struct, so an extra struct,
+ // which is absent in glibc, has to be defined.
+ "__timeval" if linux => true,
+
+ // The alignment of this is 4 on 64-bit OSX...
+ "kevent" if apple && x86_64 => true,
+
+ // This is actually a union, not a struct
+ "sigval" => true,
+
+ _ => false
+ }
+ });
+
+ cfg.skip_signededness(move |c| {
+ match c {
+ "LARGE_INTEGER" |
+ "mach_timebase_info_data_t" |
+ "float" |
+ "double" => true,
+ // uuid_t is a struct, not an integer.
+ "uuid_t" if dragonfly => true,
+ n if n.starts_with("pthread") => true,
+ // sem_t is a struct or pointer
+ "sem_t" if openbsd || freebsd || dragonfly || rumprun => true,
+
+ // windows-isms
+ n if n.starts_with("P") => true,
+ n if n.starts_with("H") => true,
+ n if n.starts_with("LP") => true,
+ _ => false,
+ }
+ });
+
+ cfg.skip_const(move |name| {
+ match name {
+ // Apparently these don't exist in mingw headers?
+ "MEM_RESET_UNDO" |
+ "FILE_ATTRIBUTE_NO_SCRUB_DATA" |
+ "FILE_ATTRIBUTE_INTEGRITY_STREAM" |
+ "ERROR_NOTHING_TO_TERMINATE" if mingw => true,
+
+ "SIG_IGN" => true, // sighandler_t weirdness
+
+ // types on musl are defined a little differently
+ n if musl && n.contains("__SIZEOF_PTHREAD") => true,
+
+ // Skip constants not defined in MUSL but just passed down to the
+ // kernel regardless
+ "RLIMIT_NLIMITS" |
+ "TCP_COOKIE_TRANSACTIONS" |
+ "RLIMIT_RTTIME" |
+ "MSG_COPY" if musl => true,
+ // work around super old mips toolchain
+ "SCHED_IDLE" | "SHM_NORESERVE" => mips,
+
+ // weird signed extension or something like that?
+ "MS_NOUSER" => true,
+ "MS_RMT_MASK" => true, // updated in glibc 2.22 and musl 1.1.13
+
+ // These OSX constants are flagged as deprecated
+ "NOTE_EXIT_REPARENTED" |
+ "NOTE_REAP" if apple => true,
+
+ // The linux/quota.h header file which defines these can't be
+ // included with sys/quota.h currently on MIPS, so we don't include
+ // it and just ignore these constants
+ "QFMT_VFS_OLD" |
+ "QFMT_VFS_V0" if mips && linux => true,
+
+ // These constants were removed in FreeBSD 11 (svn r273250) but will
+ // still be accepted and ignored at runtime.
+ "MAP_RENAME" |
+ "MAP_NORESERVE" if freebsd => true,
+
+ // These constants were removed in FreeBSD 11 (svn r262489),
+ // and they've never had any legitimate use outside of the
+ // base system anyway.
+ "CTL_MAXID" |
+ "KERN_MAXID" |
+ "HW_MAXID" |
+ "USER_MAXID" if freebsd => true,
+
+ // These OSX constants are removed in Sierra.
+ // https://developer.apple.com/library/content/releasenotes/General/APIDiffsMacOS10_12/Swift/Darwin.html
+ "KERN_KDENABLE_BG_TRACE" if apple => true,
+ "KERN_KDDISABLE_BG_TRACE" if apple => true,
+
+ _ => false,
+ }
+ });
+
+ cfg.skip_fn(move |name| {
+ // skip those that are manually verified
+ match name {
+ "execv" | // crazy stuff with const/mut
+ "execve" |
+ "execvp" |
+ "execvpe" => true,
+
+ "getrlimit" | "getrlimit64" | // non-int in 1st arg
+ "setrlimit" | "setrlimit64" | // non-int in 1st arg
+ "prlimit" | "prlimit64" | // non-int in 2nd arg
+ "strerror_r" if linux => true, // actually xpg-something-or-other
+
+ // typed 2nd arg on linux and android
+ "gettimeofday" if linux || android || freebsd || openbsd || dragonfly => true,
+
+ // not declared in newer android toolchains
+ "getdtablesize" if android => true,
+
+ "dlerror" if android => true, // const-ness is added
+ "dladdr" if musl => true, // const-ness only added recently
+
+ // OSX has 'struct tm *const' which we can't actually represent in
+ // Rust, but is close enough to *mut
+ "timegm" if apple => true,
+
+ // OSX's daemon is deprecated in 10.5 so we'll get a warning (which
+ // we turn into an error) so just ignore it.
+ "daemon" if apple => true,
+
+ // Deprecated on OSX
+ "sem_destroy" if apple => true,
+ "sem_init" if apple => true,
+
+ // These functions presumably exist on netbsd but don't look like
+ // they're implemented on rumprun yet, just let them slide for now.
+ // Some of them look like they have headers but then don't have
+ // corresponding actual definitions either...
+ "shm_open" |
+ "shm_unlink" |
+ "syscall" |
+ "ptrace" |
+ "sigaltstack" if rumprun => true,
+
+ // There seems to be a small error in EGLIBC's eventfd.h header. The
+ // [underlying system call][1] always takes its first `count`
+ // argument as an `unsigned int`, but [EGLIBC's <sys/eventfd.h>
+ // header][2] declares it to take an `int`. [GLIBC's header][3]
+ // matches the kernel.
+ //
+ // EGLIBC is no longer actively developed, and Debian, the largest
+ // distribution that had been using it, switched back to GLIBC in
+ // April 2015. So effectively all Linux <sys/eventfd.h> headers will
+ // be using `unsigned int` soon.
+ //
+ // [1]: https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/fs/eventfd.c?id=refs/tags/v3.12.51#n397
+ // [2]: http://bazaar.launchpad.net/~ubuntu-branches/ubuntu/trusty/eglibc/trusty/view/head:/sysdeps/unix/sysv/linux/sys/eventfd.h
+ // [3]: https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/sys/eventfd.h;h=6295f32e937e779e74318eb9d3bdbe76aef8a8f3;hb=4e42b5b8f89f0e288e68be7ad70f9525aebc2cff#l34
+ "eventfd" if linux => true,
+
+ // The `uname` function in freebsd is now an inline wrapper that
+ // delegates to another, but the symbol still exists, so don't check
+ // the symbol.
+ "uname" if freebsd => true,
+
+ // aio_waitcomplete's return type changed between FreeBSD 10 and 11.
+ "aio_waitcomplete" if freebsd => true,
+
+ // lio_listio confuses the checker, probably because one of its
+ // arguments is an array
+ "lio_listio" if freebsd => true,
+ "lio_listio" if musl => true,
+
+ // Apparently the NDK doesn't have this defined on android, but
+ // it's in a header file?
+ "endpwent" if android => true,
+
+ _ => false,
+ }
+ });
+
+ cfg.skip_fn_ptrcheck(move |name| {
+ match name {
+ // dllimport weirdness?
+ _ if windows => true,
+
+ _ => false,
+ }
+ });
+
+ cfg.skip_field_type(move |struct_, field| {
+ // This is a weird union, don't check the type.
+ (struct_ == "ifaddrs" && field == "ifa_ifu") ||
+ // sighandler_t type is super weird
+ (struct_ == "sigaction" && field == "sa_sigaction") ||
+ // __timeval type is a patch which doesn't exist in glibc
+ (linux && struct_ == "utmpx" && field == "ut_tv") ||
+ // sigval is actually a union, but we pretend it's a struct
+ (struct_ == "sigevent" && field == "sigev_value") ||
+ // aio_buf is "volatile void*" and Rust doesn't understand volatile
+ (struct_ == "aiocb" && field == "aio_buf") ||
+ // stack_t.ss_sp's type changed from FreeBSD 10 to 11 in svn r294930
+ (freebsd && struct_ == "stack_t" && field == "ss_sp")
+ });
+
+ cfg.skip_field(move |struct_, field| {
+ // this is actually a union on linux, so we can't represent it well and
+ // just insert some padding.
+ (struct_ == "siginfo_t" && field == "_pad") ||
+ // musl names this __dummy1 but it's still there
+ (musl && struct_ == "glob_t" && field == "gl_flags") ||
+ // musl seems to define this as an *anonymous* bitfield
+ (musl && struct_ == "statvfs" && field == "__f_unused") ||
+ // sigev_notify_thread_id is actually part of a sigev_un union
+ (struct_ == "sigevent" && field == "sigev_notify_thread_id")
+ });
+
+ cfg.fn_cname(move |name, cname| {
+ if windows {
+ cname.unwrap_or(name).to_string()
+ } else {
+ name.to_string()
+ }
+ });
+
+ if env::var("SKIP_COMPILE").is_ok() {
+ cfg.generate_files("../src/lib.rs", "all.rs");
+ } else {
+ cfg.generate("../src/lib.rs", "all.rs");
+ }
+}