libc-rs/libc-test/build.rs
2019-07-05 18:24:16 +02:00

2479 lines
74 KiB
Rust

#![deny(warnings)]
extern crate cc;
extern crate ctest;
use std::env;
fn do_cc() {
let target = env::var("TARGET").unwrap();
if cfg!(unix) && !target.contains("wasi") {
cc::Build::new().file("src/cmsg.c").compile("cmsg");
}
}
fn do_ctest() {
match &env::var("TARGET").unwrap() {
t if t.contains("android") => return test_android(t),
t if t.contains("apple") => return test_apple(t),
t if t.contains("cloudabi") => return test_cloudabi(t),
t if t.contains("dragonfly") => return test_dragonflybsd(t),
t if t.contains("emscripten") => return test_emscripten(t),
t if t.contains("freebsd") => return test_freebsd(t),
t if t.contains("linux") => return test_linux(t),
t if t.contains("netbsd") => return test_netbsd(t),
t if t.contains("openbsd") => return test_openbsd(t),
t if t.contains("redox") => return test_redox(t),
t if t.contains("solaris") => return test_solaris(t),
t if t.contains("wasi") => return test_wasi(t),
t if t.contains("windows") => return test_windows(t),
t => panic!("unknown target {}", t),
}
}
fn main() {
do_cc();
do_ctest();
}
macro_rules! headers {
($cfg:ident: [$m:expr]: $header:literal) => {
if $m {
$cfg.header($header);
}
};
($cfg:ident: $header:literal) => {
$cfg.header($header);
};
($($cfg:ident: $([$c:expr]:)* $header:literal,)*) => {
$(headers!($cfg: $([$c]:)* $header);)*
};
($cfg:ident: $( $([$c:expr]:)* $header:literal,)*) => {
headers!($($cfg: $([$c]:)* $header,)*);
};
($cfg:ident: $( $([$c:expr]:)* $header:literal),*) => {
headers!($($cfg: $([$c]:)* $header,)*);
};
}
fn test_apple(target: &str) {
assert!(target.contains("apple"));
let x86_64 = target.contains("x86_64");
let mut cfg = ctest::TestGenerator::new();
cfg.flag("-Wno-deprecated-declarations");
cfg.define("__APPLE_USE_RFC_3542", None);
headers! { cfg:
"aio.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"execinfo.h",
"fcntl.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"locale.h",
"mach-o/dyld.h",
"mach/mach_time.h",
"malloc/malloc.h",
"net/bpf.h",
"net/if.h",
"net/if_arp.h",
"net/if_dl.h",
"net/if_utun.h",
"net/route.h",
"net/route.h",
"netdb.h",
"netinet/if_ether.h",
"netinet/in.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"pthread.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"spawn.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/event.h",
"sys/file.h",
"sys/ioctl.h",
"sys/ipc.h",
"sys/kern_control.h",
"sys/mman.h",
"sys/mount.h",
"sys/proc_info.h",
"sys/ptrace.h",
"sys/quota.h",
"sys/resource.h",
"sys/sem.h",
"sys/shm.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/sys_domain.h",
"sys/sysctl.h",
"sys/time.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"sys/xattr.h",
"syslog.h",
"termios.h",
"time.h",
"unistd.h",
"util.h",
"utime.h",
"utmpx.h",
"wchar.h",
"xlocale.h",
[x86_64]: "crt_externs.h",
}
cfg.skip_struct(move |ty| {
match ty {
// FIXME: actually a union
"sigval" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// These OSX constants are removed in Sierra.
// https://developer.apple.com/library/content/releasenotes/General/APIDiffsMacOS10_12/Swift/Darwin.html
"KERN_KDENABLE_BG_TRACE" | "KERN_KDDISABLE_BG_TRACE" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" => true,
// close calls the close_nocancel system call
"close" => true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
match (struct_, field) {
// FIXME: actually a union
("sigevent", "sigev_value") => true,
_ => false,
}
});
cfg.volatile_item(|i| {
use ctest::VolatileItemKind::*;
match i {
StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => {
true
}
_ => false,
}
});
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "DIR" | "Dl_info" => ty.to_string(),
// OSX calls this something else
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
s.replace("e_nsec", "espec.tv_nsec")
}
// FIXME: sigaction actually contains a union with two variants:
// a sa_sigaction with type: (*)(int, struct __siginfo *, void *)
// a sa_handler with type sig_t
"sa_sigaction" if struct_ == "sigaction" => {
"sa_handler".to_string()
}
s => s.to_string(),
}
});
cfg.skip_roundtrip(move |s| match s {
// FIXME: TODO
"utsname" | "statfs" | "dirent" | "utmpx" => true,
_ => false,
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_openbsd(target: &str) {
assert!(target.contains("openbsd"));
let mut cfg = ctest::TestGenerator::new();
cfg.flag("-Wno-deprecated-declarations");
headers! { cfg:
"errno.h",
"fcntl.h",
"limits.h",
"locale.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"sys/stat.h",
"sys/types.h",
"time.h",
"wchar.h",
"ctype.h",
"dirent.h",
"sys/socket.h",
"net/if.h",
"net/route.h",
"net/if_arp.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"resolv.h",
"pthread.h",
"dlfcn.h",
"signal.h",
"string.h",
"sys/file.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/resource.h",
"sys/socket.h",
"sys/time.h",
"sys/un.h",
"sys/wait.h",
"unistd.h",
"utime.h",
"pwd.h",
"grp.h",
"sys/utsname.h",
"sys/ptrace.h",
"sys/mount.h",
"sys/uio.h",
"sched.h",
"termios.h",
"poll.h",
"syslog.h",
"semaphore.h",
"sys/statvfs.h",
"sys/times.h",
"glob.h",
"ifaddrs.h",
"langinfo.h",
"sys/sysctl.h",
"utmp.h",
"sys/event.h",
"net/if_dl.h",
"util.h",
"ufs/ufs/quota.h",
"pthread_np.h",
"sys/syscall.h",
}
cfg.skip_struct(move |ty| {
match ty {
// FIXME: actually a union
"sigval" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// Removed in OpenBSD 6.0
"KERN_USERMOUNT" | "KERN_ARND" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" => true,
// Removed in OpenBSD 6.5
// https://marc.info/?l=openbsd-cvs&m=154723400730318
"mincore" => true,
_ => false,
}
});
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "DIR" | "Dl_info" => ty.to_string(),
// OSX calls this something else
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| match field {
"st_birthtime" if struct_.starts_with("stat") => {
"__st_birthtime".to_string()
}
"st_birthtime_nsec" if struct_.starts_with("stat") => {
"__st_birthtimensec".to_string()
}
s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
s.replace("e_nsec", ".tv_nsec")
}
"sa_sigaction" if struct_ == "sigaction" => "sa_handler".to_string(),
s => s.to_string(),
});
cfg.skip_field_type(move |struct_, field| {
// type siginfo_t.si_addr changed from OpenBSD 6.0 to 6.1
(struct_ == "siginfo_t" && field == "si_addr")
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_windows(target: &str) {
assert!(target.contains("windows"));
let gnu = target.contains("gnu");
let mut cfg = ctest::TestGenerator::new();
cfg.define("_WIN32_WINNT", Some("0x8000"));
headers! { cfg:
"direct.h",
"errno.h",
"fcntl.h",
"io.h",
"limits.h",
"locale.h",
"process.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"sys/stat.h",
"sys/types.h",
"sys/utime.h",
"time.h",
"wchar.h",
[gnu]: "ws2tcpip.h",
[!gnu]: "Winsock2.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "DIR" | "Dl_info" => ty.to_string(),
// FIXME: these don't exist:
"time64_t" => "__time64_t".to_string(),
"ssize_t" => "SSIZE_T".to_string(),
"sighandler_t" if !gnu => "_crt_signal_t".to_string(),
"sighandler_t" if gnu => "__p_sig_fn_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// Windows uppercase structs don't have `struct` in front:
t if is_struct => {
if ty.clone().chars().next().unwrap().is_uppercase() {
t.to_string()
} else if t == "stat" {
"struct __stat64".to_string()
} else if t == "utimbuf" {
"struct __utimbuf64".to_string()
} else {
// put `struct` in front of all structs:
format!("struct {}", t)
}
}
t => t.to_string(),
}
});
cfg.fn_cname(move |name, cname| cname.unwrap_or(name).to_string());
cfg.skip_type(move |name| match name {
"SSIZE_T" if !gnu => true,
"ssize_t" if !gnu => true,
_ => false,
});
cfg.skip_const(move |name| {
match name {
// FIXME: API error:
// SIG_ERR type is "void (*)(int)", not "int"
"SIG_ERR" => true,
_ => false,
}
});
// FIXME: All functions point to the wrong addresses?
cfg.skip_fn_ptrcheck(|_| true);
cfg.skip_signededness(move |c| {
match c {
// windows-isms
n if n.starts_with("P") => true,
n if n.starts_with("H") => true,
n if n.starts_with("LP") => true,
"sighandler_t" if gnu => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" => true,
_ => false,
}
});
cfg.skip_roundtrip(move |s| match s {
"dirent" | "statfs" | "utsname" | "utmpx" => true,
_ => false,
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_redox(target: &str) {
assert!(target.contains("redox"));
let mut cfg = ctest::TestGenerator::new();
cfg.flag("-Wno-deprecated-declarations");
headers! {
cfg:
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"execinfo.h",
"fcntl.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"locale.h",
"net/if.h",
"net/if_arp.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"pthread.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"string.h",
"strings.h",
"sys/file.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/mount.h",
"sys/ptrace.h",
"sys/quota.h",
"sys/resource.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/sysctl.h",
"sys/time.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"unistd.h",
"utime.h",
"utmpx.h",
"wchar.h",
}
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_cloudabi(target: &str) {
assert!(target.contains("cloudabi"));
let mut cfg = ctest::TestGenerator::new();
cfg.flag("-Wno-deprecated-declarations");
headers! {
cfg:
"execinfo.h",
"glob.h",
"ifaddrs.h",
"langinfo.h",
"sys/ptrace.h",
"sys/quota.h",
"sys/sysctl.h",
"utmpx.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"fcntl.h",
"grp.h",
"limits.h",
"locale.h",
"net/if.h",
"net/if_arp.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"pthread.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"strings.h",
"sys/file.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/mount.h",
"sys/resource.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/time.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"unistd.h",
"utime.h",
"wchar.h",
}
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_solaris(target: &str) {
assert!(target.contains("solaris"));
let mut cfg = ctest::TestGenerator::new();
cfg.flag("-Wno-deprecated-declarations");
cfg.define("_XOPEN_SOURCE", Some("700"));
cfg.define("__EXTENSIONS__", None);
cfg.define("_LCONV_C99", None);
headers! {
cfg:
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"execinfo.h",
"fcntl.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"locale.h",
"net/if.h",
"net/if_arp.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"port.h",
"pthread.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/epoll.h",
"sys/file.h",
"sys/filio.h",
"sys/ioctl.h",
"sys/loadavg.h",
"sys/mman.h",
"sys/mount.h",
"sys/resource.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/time.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"ucontext.h",
"unistd.h",
"utime.h",
"utmpx.h",
"wchar.h",
}
cfg.skip_const(move |name| match name {
"DT_FIFO" | "DT_CHR" | "DT_DIR" | "DT_BLK" | "DT_REG" | "DT_LNK"
| "DT_SOCK" | "USRQUOTA" | "GRPQUOTA" | "PRIO_MIN" | "PRIO_MAX" => {
true
}
_ => false,
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// const-ness only added recently
"dladdr" => true,
// Definition of those functions as changed since unified headers
// from NDK r14b These changes imply some API breaking changes but
// are still ABI compatible. We can wait for the next major release
// to be compliant with the new API.
//
// FIXME: unskip these for next major release
"setpriority" | "personality" => true,
// signal is defined with sighandler_t, so ignore
"signal" => true,
"cfmakeraw" | "cfsetspeed" => true,
// FIXME: mincore is defined with caddr_t on Solaris.
"mincore" => true,
_ => false,
}
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_netbsd(target: &str) {
assert!(target.contains("netbsd"));
let rumprun = target.contains("rumprun");
let mut cfg = ctest::TestGenerator::new();
cfg.flag("-Wno-deprecated-declarations");
cfg.define("_NETBSD_SOURCE", Some("1"));
headers! {
cfg:
"errno.h",
"fcntl.h",
"limits.h",
"locale.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"sys/stat.h",
"sys/types.h",
"time.h",
"wchar.h",
"aio.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"net/if.h",
"net/if_arp.h",
"net/if_dl.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"pthread.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"string.h",
"sys/extattr.h",
"sys/file.h",
"sys/ioctl.h",
"sys/ioctl_compat.h",
"sys/mman.h",
"sys/mount.h",
"sys/ptrace.h",
"sys/resource.h",
"sys/socket.h",
"sys/statvfs.h",
"sys/sysctl.h",
"sys/time.h",
"sys/times.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"ufs/ufs/quota.h",
"ufs/ufs/quota1.h",
"unistd.h",
"util.h",
"utime.h",
"mqueue.h",
"netinet/dccp.h",
"sys/event.h",
"sys/quota.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr"
| "Elf64_Phdr" | "Elf32_Shdr" | "Elf64_Shdr" | "Elf32_Sym"
| "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr" | "Elf32_Chdr"
| "Elf64_Chdr" => ty.to_string(),
// OSX calls this something else
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// 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") => {
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 {
// FIXME: sighandler_t is crazy across platforms
"sighandler_t" => true,
_ => false,
}
});
cfg.skip_struct(move |ty| {
match ty {
// This is actually a union, not a struct
"sigval" => true,
// These are tested as part of the linux_fcntl tests since there are
// header conflicts when including them with all the other structs.
"termios2" => true,
_ => false,
}
});
cfg.skip_signededness(move |c| {
match c {
"LARGE_INTEGER" | "float" | "double" => true,
n if n.starts_with("pthread") => true,
// sem_t is a struct or pointer
"sem_t" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
"SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, // sighandler_t weirdness
"SIGUNUSED" => true, // removed in glibc 2.26
// weird signed extension or something like that?
"MS_NOUSER" => true,
"MS_RMT_MASK" => true, // updated in glibc 2.22 and musl 1.1.13
"BOTHER" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" => true,
"getrlimit" | "getrlimit64" | // non-int in 1st arg
"setrlimit" | "setrlimit64" | // non-int in 1st arg
"prlimit" | "prlimit64" | // non-int in 2nd arg
// 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" |
"mq_open" |
"mq_close" |
"mq_getattr" |
"mq_notify" |
"mq_receive" |
"mq_send" |
"mq_setattr" |
"mq_timedreceive" |
"mq_timedsend" |
"mq_unlink" |
"ptrace" |
"sigaltstack" if rumprun => 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") ||
// 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")
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_dragonflybsd(target: &str) {
assert!(target.contains("dragonfly"));
let mut cfg = ctest::TestGenerator::new();
cfg.flag("-Wno-deprecated-declarations");
headers! {
cfg:
"aio.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"execinfo.h",
"fcntl.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"locale.h",
"mqueue.h",
"net/if.h",
"net/if_arp.h",
"net/if_dl.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"pthread.h",
"pthread_np.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/event.h",
"sys/file.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/mount.h",
"sys/ptrace.h",
"sys/resource.h",
"sys/rtprio.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/sysctl.h",
"sys/time.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"ufs/ufs/quota.h",
"unistd.h",
"util.h",
"utime.h",
"utmpx.h",
"wchar.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr"
| "Elf64_Phdr" | "Elf32_Shdr" | "Elf64_Shdr" | "Elf32_Sym"
| "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr" | "Elf32_Chdr"
| "Elf64_Chdr" => ty.to_string(),
// FIXME: OSX calls this something else
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// 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") => {
s.replace("e_nsec", ".tv_nsec")
}
"u64" if struct_ == "epoll_event" => "data.u64".to_string(),
// Field is named `type` in C but that is a Rust keyword,
// so these fields are translated to `type_` in the bindings.
"type_" if struct_ == "rtprio" => "type".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 {
// This is actually a union, not a struct
"sigval" => true,
// FIXME: These are tested as part of the linux_fcntl tests since
// there are header conflicts when including them with all the other
// structs.
"termios2" => true,
_ => false,
}
});
cfg.skip_signededness(move |c| {
match c {
"LARGE_INTEGER" | "float" | "double" => true,
// uuid_t is a struct, not an integer.
"uuid_t" => true,
n if n.starts_with("pthread") => true,
// sem_t is a struct or pointer
"sem_t" => true,
// mqd_t is a pointer on DragonFly
"mqd_t" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
"SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, // sighandler_t weirdness
// 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 are defined for Solaris 11, but the crate is tested on
// illumos, where they are currently not defined
"EADI"
| "PORT_SOURCE_POSTWAIT"
| "PORT_SOURCE_SIGNAL"
| "PTHREAD_STACK_MIN" => true,
// These change all the time from release to release of linux
// distros, let's just not bother trying to verify them. They
// shouldn't be used in code anyway...
"AF_MAX" | "PF_MAX" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" => true,
"getrlimit" | "getrlimit64" | // non-int in 1st arg
"setrlimit" | "setrlimit64" | // non-int in 1st arg
"prlimit" | "prlimit64" // non-int in 2nd arg
=> 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") ||
// 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")
});
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") ||
// sigev_notify_thread_id is actually part of a sigev_un union
(struct_ == "sigevent" && field == "sigev_notify_thread_id")
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_wasi(target: &str) {
assert!(target.contains("wasi"));
let mut cfg = ctest::TestGenerator::new();
cfg.define("_GNU_SOURCE", None);
headers! { cfg:
"ctype.h",
"dirent.h",
"errno.h",
"fcntl.h",
"limits.h",
"locale.h",
"malloc.h",
"poll.h",
"sched.h",
"stdbool.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/resource.h",
"sys/select.h",
"sys/socket.h",
"sys/stat.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/utsname.h",
"time.h",
"unistd.h",
"wasi/core.h",
"wasi/libc.h",
"wasi/libc-find-relpath.h",
"wchar.h",
}
cfg.type_name(move |ty, is_struct, is_union| match ty {
"FILE" | "fd_set" | "DIR" => ty.to_string(),
t if is_union => format!("union {}", t),
t if t.starts_with("__wasi") && t.ends_with("_u") => {
format!("union {}", t)
}
t if t.starts_with("__wasi") && is_struct => format!("struct {}", t),
t if t.ends_with("_t") => t.to_string(),
t if is_struct => format!("struct {}", t),
t => t.to_string(),
});
cfg.field_name(move |_struct, field| {
match field {
// deal with fields as rust keywords
"type_" => "type".to_string(),
s => s.to_string(),
}
});
// Looks like LLD doesn't merge duplicate imports, so if the Rust
// code imports from a module and the C code also imports from a
// module we end up with two imports of function pointers which
// import the same thing but have different function pointers
cfg.skip_fn_ptrcheck(|f| f.starts_with("__wasi"));
// d_name is declared as a flexible array in WASI libc, so it
// doesn't support sizeof.
cfg.skip_field(|s, field| s == "dirent" && field == "d_name");
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_android(target: &str) {
assert!(target.contains("android"));
let target_pointer_width = match target {
t if t.contains("aarch64") || t.contains("x86_64") => 64,
t if t.contains("i686") || t.contains("arm") => 32,
t => panic!("unsupported target: {}", t),
};
let x86 = target.contains("i686") || target.contains("x86_64");
let mut cfg = ctest::TestGenerator::new();
cfg.define("_GNU_SOURCE", None);
headers! { cfg:
"arpa/inet.h",
"asm/mman.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"fcntl.h",
"grp.h",
"ifaddrs.h",
"limits.h",
"linux/dccp.h",
"linux/futex.h",
"linux/fs.h",
"linux/genetlink.h",
"linux/if_alg.h",
"linux/if_ether.h",
"linux/if_tun.h",
"linux/magic.h",
"linux/memfd.h",
"linux/module.h",
"linux/net_tstamp.h",
"linux/netfilter/nf_tables.h",
"linux/netfilter_ipv4.h",
"linux/netfilter_ipv6.h",
"linux/netlink.h",
"linux/quota.h",
"linux/reboot.h",
"linux/seccomp.h",
"linux/sockios.h",
"locale.h",
"malloc.h",
"net/ethernet.h",
"net/if.h",
"net/if_arp.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"netpacket/packet.h",
"poll.h",
"pthread.h",
"pty.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/epoll.h",
"sys/eventfd.h",
"sys/file.h",
"sys/fsuid.h",
"sys/inotify.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/mount.h",
"sys/personality.h",
"sys/prctl.h",
"sys/ptrace.h",
"sys/random.h",
"sys/reboot.h",
"sys/resource.h",
"sys/sendfile.h",
"sys/signalfd.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/swap.h",
"sys/syscall.h",
"sys/sysinfo.h",
"sys/time.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/vfs.h",
"sys/xattr.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"unistd.h",
"utime.h",
"utmp.h",
"wchar.h",
"xlocale.h",
// time64_t is not defined for 64-bit targets If included it will
// generate the error 'Your time_t is already 64-bit'
[target_pointer_width == 32]: "time64.h",
[x86]: "sys/reg.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" => ty.to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// sigval is a struct in Rust, but a union in C:
"sigval" => format!("union sigval"),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// 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") => {
s.to_string()
}
// FIXME: appears that `epoll_event.data` is an union
"u64" if struct_ == "epoll_event" => "data.u64".to_string(),
s => s.to_string(),
}
});
cfg.skip_type(move |ty| {
match ty {
// FIXME: `sighandler_t` type is incorrect, see:
// https://github.com/rust-lang/libc/issues/1359
"sighandler_t" => true,
_ => false,
}
});
cfg.skip_struct(move |ty| {
match ty {
// These are tested as part of the linux_fcntl tests since there are
// header conflicts when including them with all the other structs.
"termios2" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// FIXME: deprecated: not available in any header
// See: https://github.com/rust-lang/libc/issues/1356
"ENOATTR" => true,
// FIXME: still necessary?
"SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, // sighandler_t weirdness
// FIXME: deprecated - removed in glibc 2.26
"SIGUNUSED" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true,
// There are two versions of the sterror_r function, see
//
// https://linux.die.net/man/3/strerror_r
//
// An XSI-compliant version provided if:
//
// (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && ! _GNU_SOURCE
//
// and a GNU specific version provided if _GNU_SOURCE is defined.
//
// libc provides bindings for the XSI-compliant version, which is
// preferred for portable applications.
//
// We skip the test here since here _GNU_SOURCE is defined, and
// test the XSI version below.
"strerror_r" => true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
// This is a weird union, don't check the type.
(struct_ == "ifaddrs" && field == "ifa_ifu") ||
// sigval is actually a union, but we pretend it's a struct
(struct_ == "sigevent" && field == "sigev_value")
});
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") ||
// FIXME: `sa_sigaction` has type `sighandler_t` but that type is
// incorrect, see: https://github.com/rust-lang/libc/issues/1359
(struct_ == "sigaction" && field == "sa_sigaction") ||
// sigev_notify_thread_id is actually part of a sigev_un union
(struct_ == "sigevent" && field == "sigev_notify_thread_id") ||
// signalfd had SIGSYS fields added in Android 4.19, but CI does not have that version yet.
(struct_ == "signalfd_siginfo" && (field == "ssi_syscall" ||
field == "ssi_call_addr" ||
field == "ssi_arch"))
});
let bit64 = target.contains("64");
cfg.skip_roundtrip(move |s| match s {
"utsname" | "dirent" | "dirent64" => true,
"utmp" if bit64 => true,
_ => false,
});
cfg.generate("../src/lib.rs", "main.rs");
test_linux_like_apis(target);
}
fn test_freebsd(target: &str) {
assert!(target.contains("freebsd"));
let mut cfg = ctest::TestGenerator::new();
let freebsd_ver = which_freebsd();
if let Some(12) = freebsd_ver {
// If the host is FreeBSD 12, run FreeBSD 12 tests
cfg.cfg("freebsd12", None);
}
// Required for `getline`:
cfg.define("_WITH_GETLINE", None);
// Required for making freebsd11_stat available in the headers
cfg.define("_WANT_FREEBSD11_STAT", None);
headers! { cfg:
"aio.h",
"arpa/inet.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"fcntl.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"libutil.h",
"limits.h",
"locale.h",
"mqueue.h",
"net/bpf.h",
"net/if.h",
"net/if_arp.h",
"net/if_dl.h",
"net/route.h",
"netdb.h",
"netinet/ip.h",
"netinet/in.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"pthread.h",
"pthread_np.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"spawn.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/event.h",
"sys/extattr.h",
"sys/file.h",
"sys/ioctl.h",
"sys/ipc.h",
"sys/jail.h",
"sys/mman.h",
"sys/mount.h",
"sys/msg.h",
"sys/procdesc.h",
"sys/ptrace.h",
"sys/resource.h",
"sys/rtprio.h",
"sys/shm.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/sysctl.h",
"sys/time.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"ufs/ufs/quota.h",
"unistd.h",
"utime.h",
"utmpx.h",
"wchar.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "DIR" => ty.to_string(),
// FIXME: https://github.com/rust-lang/libc/issues/1273
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// sigval is a struct in Rust, but a union in C:
"sigval" => format!("union sigval"),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// 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") => {
s.replace("e_nsec", ".tv_nsec")
}
// Field is named `type` in C but that is a Rust keyword,
// so these fields are translated to `type_` in the bindings.
"type_" if struct_ == "rtprio" => "type".to_string(),
s => s.to_string(),
}
});
cfg.skip_const(move |name| {
match name {
// These constants were introduced in FreeBSD 12:
"SF_USER_READAHEAD"
| "EVFILT_EMPTY"
| "SO_REUSEPORT_LB"
| "IP_ORIGDSTADDR"
| "IP_RECVORIGDSTADDR"
| "IPV6_ORIGDSTADDR"
| "IPV6_RECVORIGDSTADDR"
if Some(12) != freebsd_ver =>
{
true
}
// FIXME: There are deprecated - remove in a couple of releases.
// These constants were removed in FreeBSD 11 (svn r273250) but will
// still be accepted and ignored at runtime.
"MAP_RENAME" | "MAP_NORESERVE" if Some(10) != freebsd_ver => true,
// FIXME: There are deprecated - remove in a couple of releases.
// 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" | "NET_MAXID"
| "USER_MAXID" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true,
// The `uname` function in the `utsname.h` FreeBSD header is a C
// inline function (has no symbol) that calls the `__xuname` symbol.
// Therefore the function pointer comparison does not make sense for it.
"uname" => true,
// FIXME: Our API is unsound. The Rust API allows aliasing
// pointers, but the C API requires pointers not to alias.
// We should probably be at least using `&`/`&mut` here, see:
// https://github.com/gnzlbg/ctest/issues/68
"lio_listio" => true,
_ => false,
}
});
cfg.volatile_item(|i| {
use ctest::VolatileItemKind::*;
match i {
// aio_buf is a volatile void** but since we cannot express that in
// Rust types, we have to explicitly tell the checker about it here:
StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => {
true
}
_ => false,
}
});
cfg.skip_field(move |struct_, field| {
// FIXME: `sa_sigaction` has type `sighandler_t` but that type is
// incorrect, see: https://github.com/rust-lang/libc/issues/1359
(struct_ == "sigaction" && field == "sa_sigaction")
});
cfg.skip_roundtrip(move |s| match s {
"dirent" | "statfs" | "utsname" | "utmpx" => true,
_ => false,
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_emscripten(target: &str) {
assert!(target.contains("emscripten"));
let mut cfg = ctest::TestGenerator::new();
cfg.define("_GNU_SOURCE", None); // FIXME: ??
headers! { cfg:
"aio.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"fcntl.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"locale.h",
"malloc.h",
"mntent.h",
"mqueue.h",
"net/ethernet.h",
"net/if.h",
"net/if_arp.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"netpacket/packet.h",
"poll.h",
"pthread.h",
"pty.h",
"pwd.h",
"resolv.h",
"sched.h",
"sched.h",
"semaphore.h",
"shadow.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/epoll.h",
"sys/eventfd.h",
"sys/file.h",
"sys/ioctl.h",
"sys/ipc.h",
"sys/mman.h",
"sys/mount.h",
"sys/msg.h",
"sys/personality.h",
"sys/prctl.h",
"sys/ptrace.h",
"sys/quota.h",
"sys/reboot.h",
"sys/resource.h",
"sys/sem.h",
"sys/sendfile.h",
"sys/shm.h",
"sys/signalfd.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/swap.h",
"sys/syscall.h",
"sys/sysctl.h",
"sys/sysinfo.h",
"sys/time.h",
"sys/timerfd.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/user.h",
"sys/utsname.h",
"sys/vfs.h",
"sys/wait.h",
"sys/xattr.h",
"syslog.h",
"termios.h",
"time.h",
"ucontext.h",
"unistd.h",
"utime.h",
"utmp.h",
"utmpx.h",
"wchar.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "DIR" => ty.to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// 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") => {
s.replace("e_nsec", ".tv_nsec")
}
// FIXME: appears that `epoll_event.data` is an union
"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
// FIXME: is this necessary?
"sighandler_t" => true,
_ => false,
}
});
cfg.skip_struct(move |ty| {
match ty {
// This is actually a union, not a struct
// FIXME: is this necessary?
"sigval" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// FIXME: deprecated - SIGNUNUSED was removed in glibc 2.26
// users should use SIGSYS instead
"SIGUNUSED" => true,
// FIXME: emscripten uses different constants to constructs these
n if n.contains("__SIZEOF_PTHREAD") => true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
// This is a weird union, don't check the type.
// FIXME: is this necessary?
(struct_ == "ifaddrs" && field == "ifa_ifu") ||
// sighandler_t type is super weird
// FIXME: is this necessary?
(struct_ == "sigaction" && field == "sa_sigaction") ||
// sigval is actually a union, but we pretend it's a struct
// FIXME: is this necessary?
(struct_ == "sigevent" && field == "sigev_value") ||
// aio_buf is "volatile void*" and Rust doesn't understand volatile
// FIXME: is this necessary?
(struct_ == "aiocb" && field == "aio_buf")
});
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.
// FIXME: is this necessary?
(struct_ == "siginfo_t" && field == "_pad") ||
// musl names this __dummy1 but it's still there
// FIXME: is this necessary?
(struct_ == "glob_t" && field == "gl_flags") ||
// musl seems to define this as an *anonymous* bitfield
// FIXME: is this necessary?
(struct_ == "statvfs" && field == "__f_unused") ||
// sigev_notify_thread_id is actually part of a sigev_un union
(struct_ == "sigevent" && field == "sigev_notify_thread_id") ||
// signalfd had SIGSYS fields added in Linux 4.18, but no libc release has them yet.
(struct_ == "signalfd_siginfo" && (field == "ssi_addr_lsb" ||
field == "_pad2" ||
field == "ssi_syscall" ||
field == "ssi_call_addr" ||
field == "ssi_arch"))
});
cfg.skip_roundtrip(move |s| match s {
"pthread_mutexattr_t"
| "utsname"
| "dirent"
| "dirent64"
| "sysinfo" => true,
_ => false,
});
// FIXME: test linux like
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_linux(target: &str) {
assert!(target.contains("linux"));
// target_env
let gnu = target.contains("gnu");
let musl = target.contains("musl");
let uclibc = target.contains("uclibc");
match (gnu, musl, uclibc) {
(true, false, false) => (),
(false, true, false) => (),
(false, false, true) => (),
(_, _, _) => panic!(
"linux target lib is gnu: {}, musl: {}, uclibc: {}",
gnu, musl, uclibc
),
}
let arm = target.contains("arm");
let x86_64 = target.contains("x86_64");
let x86_32 = target.contains("i686");
let x32 = target.contains("x32");
let mips = target.contains("mips");
let mips32 = mips && !target.contains("64");
let mips64 = mips && target.contains("64");
let mips32_musl = mips32 && musl;
let sparc64 = target.contains("sparc64");
let s390x = target.contains("s390x");
let mut cfg = ctest::TestGenerator::new();
cfg.define("_GNU_SOURCE", None);
// This macro re-deifnes fscanf,scanf,sscanf to link to the symbols that are
// deprecated since glibc >= 2.29. This allows Rust binaries to link against
// glibc versions older than 2.29.
cfg.define("__GLIBC_USE_DEPRECATED_SCANF", None);
headers! { cfg:
"ctype.h",
"dirent.h",
"dlfcn.h",
"elf.h",
"fcntl.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"link.h",
"locale.h",
"malloc.h",
"mntent.h",
"mqueue.h",
"net/ethernet.h",
"net/if.h",
"net/if_arp.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"netpacket/packet.h",
"poll.h",
"pthread.h",
"pty.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"shadow.h",
"signal.h",
"spawn.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/epoll.h",
"sys/eventfd.h",
"sys/file.h",
"sys/fsuid.h",
"sys/inotify.h",
"sys/ioctl.h",
"sys/ipc.h",
"sys/mman.h",
"sys/mount.h",
"sys/msg.h",
"sys/personality.h",
"sys/prctl.h",
"sys/ptrace.h",
"sys/quota.h",
// FIXME: the mips-musl CI build jobs use ancient musl 1.0.15:
[!mips32_musl]: "sys/random.h",
"sys/reboot.h",
"sys/resource.h",
"sys/sem.h",
"sys/sendfile.h",
"sys/shm.h",
"sys/signalfd.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/swap.h",
"sys/syscall.h",
"sys/time.h",
"sys/timerfd.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/user.h",
"sys/utsname.h",
"sys/vfs.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"ucontext.h",
"unistd.h",
"utime.h",
"utmp.h",
"utmpx.h",
"wchar.h",
"errno.h",
// `sys/io.h` is only available on x86*, Alpha, IA64, and 32-bit
// ARM: https://bugzilla.redhat.com/show_bug.cgi?id=1116162
[x86_64 || x86_32 || arm]: "sys/io.h",
// `sys/reg.h` is only available on x86 and x86_64
[x86_64 || x86_32]: "sys/reg.h",
// sysctl system call is deprecated and not available on musl
// It is also unsupported in x32:
[!(x32 || musl)]: "sys/sysctl.h",
// <execinfo.h> is not supported by musl:
// https://www.openwall.com/lists/musl/2015/04/09/3
[!musl]: "execinfo.h",
}
// Include linux headers at the end:
headers! {
cfg:
"asm/mman.h",
"linux/dccp.h",
"linux/falloc.h",
"linux/fs.h",
"linux/futex.h",
"linux/genetlink.h",
// FIXME: musl version 1.0.15 used by mips build jobs is ancient
[!mips32_musl]: "linux/if.h",
"linux/if_addr.h",
"linux/if_alg.h",
"linux/if_ether.h",
"linux/if_tun.h",
"linux/input.h",
"linux/magic.h",
"linux/memfd.h",
"linux/module.h",
"linux/net_tstamp.h",
"linux/netfilter/nf_tables.h",
"linux/netfilter_ipv4.h",
"linux/netfilter_ipv6.h",
"linux/netlink.h",
"linux/quota.h",
"linux/random.h",
"linux/reboot.h",
"linux/rtnetlink.h",
"linux/seccomp.h",
"linux/sockios.h",
"linux/vm_sockets.h",
"sys/auxv.h",
}
// note: aio.h must be included before sys/mount.h
headers! {
cfg:
"sys/xattr.h",
"sys/sysinfo.h",
"aio.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr"
| "Elf64_Phdr" | "Elf32_Shdr" | "Elf64_Shdr" | "Elf32_Sym"
| "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr" | "Elf32_Chdr"
| "Elf64_Chdr" => ty.to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// 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") => {
s.replace("e_nsec", ".tv_nsec")
}
// FIXME: epoll_event.data is actuall a union in C, but in Rust
// it is only a u64 because we only expose one field
// http://man7.org/linux/man-pages/man2/epoll_wait.2.html
"u64" if struct_ == "epoll_event" => "data.u64".to_string(),
// The following structs have a field called `type` in C,
// but `type` is a Rust keyword, so these fields are translated
// to `type_` in Rust.
"type_"
if struct_ == "input_event"
|| struct_ == "input_mask"
|| struct_ == "ff_effect" =>
{
"type".to_string()
}
s => s.to_string(),
}
});
cfg.skip_type(move |ty| {
match ty {
// FIXME: `sighandler_t` type is incorrect, see:
// https://github.com/rust-lang/libc/issues/1359
"sighandler_t" => true,
// These cannot be tested when "resolv.h" is included and are tested
// in the `linux_elf.rs` file.
"Elf64_Phdr" | "Elf32_Phdr" => true,
// This type is private on Linux. It is implemented as a C `enum`
// (`c_uint`) and this clashes with the type of the `rlimit` APIs
// which expect a `c_int` even though both are ABI compatible.
"__rlimit_resource_t" => true,
_ => false,
}
});
cfg.skip_struct(move |ty| {
match ty {
// These cannot be tested when "resolv.h" is included and are tested
// in the `linux_elf.rs` file.
"Elf64_Phdr" | "Elf32_Phdr" => true,
// 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" => true,
// FIXME: This is actually a union, not a struct
"sigval" => true,
// This type is tested in the `linux_termios.rs` file since there
// are header conflicts when including them with all the other
// structs.
"termios2" => true,
// FIXME: musl version using by mips build jobs 1.0.15 is ancient:
"ifmap" | "ifreq" | "ifconf" if mips32_musl => true,
// FIXME: remove once Ubuntu 20.04 LTS is released, somewhere in 2020.
// ucontext_t added a new field as of glibc 2.28; our struct definition is
// conservative and omits the field, but that means the size doesn't match for newer
// glibcs (see https://github.com/rust-lang/libc/issues/1410)
"ucontext_t" if gnu => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// These constants are not available if gnu headers have been included
// and can therefore not be tested here
//
// The IPV6 constants are tested in the `linux_ipv6.rs` tests:
| "IPV6_FLOWINFO"
| "IPV6_FLOWLABEL_MGR"
| "IPV6_FLOWINFO_SEND"
| "IPV6_FLOWINFO_FLOWLABEL"
| "IPV6_FLOWINFO_PRIORITY"
// The F_ fnctl constants are tested in the `linux_fnctl.rs` tests:
| "F_CANCELLK"
| "F_ADD_SEALS"
| "F_GET_SEALS"
| "F_SEAL_SEAL"
| "F_SEAL_SHRINK"
| "F_SEAL_GROW"
| "F_SEAL_WRITE" => true,
// The musl-sanitized kernel headers used in CI
// target the Linux kernel 4.4 and do not contain the
// following constants:
//
// Requires Linux kernel 4.9
| "FALLOC_FL_UNSHARE_RANGE"
//
// Require Linux kernel 5.x:
| "MSG_COPY"
if musl => true,
// Require Linux kernel 5.1:
"F_SEAL_FUTURE_WRITE" => true,
// The musl version 1.0.22 used in CI does not
// contain these glibc constants yet:
| "RLIMIT_RTTIME" // should be in `resource.h`
| "TCP_COOKIE_TRANSACTIONS" // should be in the `netinet/tcp.h` header
if musl => true,
// FIXME: deprecated: not available in any header
// See: https://github.com/rust-lang/libc/issues/1356
"ENOATTR" => true,
// FIXME: SIGUNUSED was removed in glibc 2.26
// Users should use SIGSYS instead.
"SIGUNUSED" => true,
// FIXME: conflicts with glibc headers and is tested in
// `linux_termios.rs` below:
"BOTHER" => true,
// FIXME: on musl the pthread types are defined a little differently
// - these constants are used by the glibc implementation.
n if musl && n.contains("__SIZEOF_PTHREAD") => true,
// FIXME: musl version 1.0.15 used by mips build jobs is ancient
t if mips32_musl && t.starts_with("IFF") => true,
"MFD_HUGETLB" | "AF_XDP" | "PF_XDP" if mips32_musl => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true,
// There are two versions of the sterror_r function, see
//
// https://linux.die.net/man/3/strerror_r
//
// An XSI-compliant version provided if:
//
// (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600)
// && ! _GNU_SOURCE
//
// and a GNU specific version provided if _GNU_SOURCE is defined.
//
// libc provides bindings for the XSI-compliant version, which is
// preferred for portable applications.
//
// We skip the test here since here _GNU_SOURCE is defined, and
// test the XSI version below.
"strerror_r" => true,
// FIXME: Our API is unsound. The Rust API allows aliasing
// pointers, but the C API requires pointers not to alias.
// We should probably be at least using `&`/`&mut` here, see:
// https://github.com/gnzlbg/ctest/issues/68
"lio_listio" if musl => true,
// FIXME: the glibc version used by the Sparc64 build jobs
// which use Debian 10.0 is too old.
"statx" if sparc64 => 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
(struct_ == "utmpx" && field == "ut_tv") ||
// sigval is actually a union, but we pretend it's a struct
(struct_ == "sigevent" && field == "sigev_value") ||
// this one is an anonymous union
(struct_ == "ff_effect" && field == "u")
});
cfg.volatile_item(|i| {
use ctest::VolatileItemKind::*;
match i {
// aio_buf is a volatile void** but since we cannot express that in
// Rust types, we have to explicitly tell the checker about it here:
StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => {
true
}
_ => false,
}
});
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") ||
// signalfd had SIGSYS fields added in Linux 4.18, but no libc release
// has them yet.
(struct_ == "signalfd_siginfo" && (field == "ssi_addr_lsb" ||
field == "_pad2" ||
field == "ssi_syscall" ||
field == "ssi_call_addr" ||
field == "ssi_arch"))
});
cfg.skip_roundtrip(move |s| match s {
// FIXME: TODO
"_libc_fpstate" | "user_fpregs_struct" if x86_64 => true,
"utsname"
| "statx"
| "dirent"
| "dirent64"
| "utmpx"
| "user"
| "user_fpxregs_struct" => true,
"sysinfo" if musl => true,
"ucontext_t" if x86_64 && musl => true,
"sockaddr_un" | "sembuf" | "ff_constant_effect"
if mips32 && (gnu || musl) =>
{
true
}
"ipv6_mreq"
| "sockaddr_in6"
| "sockaddr_ll"
| "in_pktinfo"
| "arpreq"
| "arpreq_old"
| "sockaddr_un"
| "ff_constant_effect"
| "ff_ramp_effect"
| "ff_condition_effect"
| "Elf32_Ehdr"
| "Elf32_Chdr"
| "ucred"
| "in6_pktinfo"
| "sockaddr_nl"
| "termios"
| "nlmsgerr"
if (mips64 || sparc64) && gnu =>
{
true
}
"mcontext_t" if s390x => true,
_ => false,
});
cfg.generate("../src/lib.rs", "main.rs");
test_linux_like_apis(target);
}
// This function tests APIs that are incompatible to test when other APIs
// are included (e.g. because including both sets of headers clashes)
fn test_linux_like_apis(target: &str) {
let musl = target.contains("musl");
let linux = target.contains("linux");
let emscripten = target.contains("emscripten");
let android = target.contains("android");
assert!(linux || android || emscripten);
if linux || android || emscripten {
// test strerror_r from the `string.h` header
let mut cfg = ctest::TestGenerator::new();
cfg.skip_type(|_| true).skip_static(|_| true);
headers! { cfg: "string.h" }
cfg.skip_fn(|f| match f {
"strerror_r" => false,
_ => true,
})
.skip_const(|_| true)
.skip_struct(|_| true);
cfg.generate("../src/lib.rs", "linux_strerror_r.rs");
}
if linux || android || emscripten {
// test fcntl - see:
// http://man7.org/linux/man-pages/man2/fcntl.2.html
let mut cfg = ctest::TestGenerator::new();
if musl {
cfg.header("fcntl.h");
} else {
cfg.header("linux/fcntl.h");
}
cfg.skip_type(|_| true)
.skip_static(|_| true)
.skip_struct(|_| true)
.skip_fn(|_| true)
.skip_const(move |name| match name {
// test fcntl constants:
"F_CANCELLK" | "F_ADD_SEALS" | "F_GET_SEALS"
| "F_SEAL_SEAL" | "F_SEAL_SHRINK" | "F_SEAL_GROW"
| "F_SEAL_WRITE" => false,
_ => true,
})
.type_name(move |ty, is_struct, is_union| match ty {
t if is_struct => format!("struct {}", t),
t if is_union => format!("union {}", t),
t => t.to_string(),
});
cfg.generate("../src/lib.rs", "linux_fcntl.rs");
}
if linux || android {
// test termios
let mut cfg = ctest::TestGenerator::new();
cfg.header("asm/termbits.h");
cfg.skip_type(|_| true)
.skip_static(|_| true)
.skip_fn(|_| true)
.skip_const(|c| c != "BOTHER")
.skip_struct(|s| s != "termios2")
.type_name(move |ty, is_struct, is_union| match ty {
t if is_struct => format!("struct {}", t),
t if is_union => format!("union {}", t),
t => t.to_string(),
});
cfg.generate("../src/lib.rs", "linux_termios.rs");
}
if linux || android {
// test IPV6_ constants:
let mut cfg = ctest::TestGenerator::new();
headers! {
cfg:
"linux/in6.h"
}
cfg.skip_type(|_| true)
.skip_static(|_| true)
.skip_fn(|_| true)
.skip_const(|_| true)
.skip_struct(|_| true)
.skip_const(move |name| match name {
"IPV6_FLOWINFO"
| "IPV6_FLOWLABEL_MGR"
| "IPV6_FLOWINFO_SEND"
| "IPV6_FLOWINFO_FLOWLABEL"
| "IPV6_FLOWINFO_PRIORITY" => false,
_ => true,
})
.type_name(move |ty, is_struct, is_union| match ty {
t if is_struct => format!("struct {}", t),
t if is_union => format!("union {}", t),
t => t.to_string(),
});
cfg.generate("../src/lib.rs", "linux_ipv6.rs");
}
if linux || android {
// Test Elf64_Phdr and Elf32_Phdr
// These types have a field called `p_type`, but including
// "resolve.h" defines a `p_type` macro that expands to `__p_type`
// making the tests for these fails when both are included.
let mut cfg = ctest::TestGenerator::new();
cfg.header("elf.h");
cfg.skip_fn(|_| true)
.skip_static(|_| true)
.skip_fn(|_| true)
.skip_const(|_| true)
.type_name(move |ty, _is_struct, _is_union| ty.to_string())
.skip_struct(move |ty| match ty {
"Elf64_Phdr" | "Elf32_Phdr" => false,
_ => true,
})
.skip_type(move |ty| match ty {
"Elf64_Phdr" | "Elf32_Phdr" => false,
_ => true,
});
cfg.generate("../src/lib.rs", "linux_elf.rs");
}
}
fn which_freebsd() -> Option<i32> {
let output = std::process::Command::new("freebsd-version")
.output()
.ok()?;
if !output.status.success() {
return None;
}
let stdout = String::from_utf8(output.stdout).ok()?;
match &stdout {
s if s.starts_with("11") => Some(11),
s if s.starts_with("12") => Some(12),
_ => None,
}
}