add supporting for vxWorks

Author: BaoshanPang

libc-test/build.rs

@@ -27,6 +27,7 @@ fn do_ctest() {
         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 if t.contains("vxworks") => return test_vxworks(t),
         t => panic!("unknown target {}", t),
     }
 }
@@ -1927,6 +1928,114 @@ fn test_emscripten(target: &str) {
     cfg.generate("../src/lib.rs", "main.rs");
 }
 
+fn test_vxworks(target: &str) {
+    assert!(target.contains("vxworks"));
+
+    let mut cfg = ctest::TestGenerator::new();
+    headers! { cfg:
+               "vxWorks.h",
+               "yvals.h",
+               "nfs/nfsCommon.h",
+               "rtpLibCommon.h",
+               "randomNumGen.h",
+               "taskLib.h",
+               "sysLib.h",
+               "ioLib.h",
+               "inetLib.h",
+               "socket.h",
+               "errnoLib.h",
+               "ctype.h",
+               "dirent.h",
+               "dlfcn.h",
+               "elf.h",
+               "fcntl.h",
+               "grp.h",
+               "sys/poll.h",
+               "ifaddrs.h",
+               "langinfo.h",
+               "limits.h",
+               "link.h",
+               "locale.h",
+               "sys/stat.h",
+               "netdb.h",
+               "pthread.h",
+               "pwd.h",
+               "sched.h",
+               "semaphore.h",
+               "signal.h",
+               "stddef.h",
+               "stdint.h",
+               "stdio.h",
+               "stdlib.h",
+               "string.h",
+               "sys/file.h",
+               "sys/ioctl.h",
+               "sys/socket.h",
+               "sys/time.h",
+               "sys/times.h",
+               "sys/types.h",
+               "sys/uio.h",
+               "sys/un.h",
+               "sys/utsname.h",
+               "sys/wait.h",
+               "netinet/tcp.h",
+               "syslog.h",
+               "termios.h",
+               "time.h",
+               "ucontext.h",
+               "unistd.h",
+               "utime.h",
+               "wchar.h",
+               "errno.h",
+               "sys/mman.h",
+               "pathLib.h",
+    }
+    cfg.skip_const(move |name| match name {
+        // sighandler_t weirdness
+        "SIG_DFL" | "SIG_ERR" | "SIG_IGN"
+        // This is not defined in vxWorks
+        | "RTLD_DEFAULT"   => true,
+        _ => false,
+    });
+    /* Fix me */
+    cfg.skip_type(move |ty| match ty {
+        "stat64" | "sighandler_t" | "off64_t" => true,
+        _ => false,
+    });
+
+    cfg.skip_field_type(move |struct_, field| match (struct_, field) {
+        ("siginfo_t", "si_value")
+        | ("stat", "st_size")
+        | ("sigaction", "sa_u") => true,
+        _ => false,
+    });
+
+    cfg.skip_roundtrip(move |s| match s {
+        _ => false,
+    });
+
+    cfg.type_name(move |ty, is_struct, is_union| match ty {
+        "DIR" | "FILE" | "Dl_info" | "RTP_DESC" => ty.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(),
+    });
+
+    /* Fix me */
+    cfg.skip_fn(move |name| match name {
+        /* sigval */
+        "sigqueue" | "_sigqueue"
+        /* sighandler_t*/
+        | "signal"
+        /* not used in static linking by default */
+        | "dlerror" => true,
+        _ => false,
+    });
+
+    cfg.generate("../src/lib.rs", "main.rs");
+}
+
 fn test_linux(target: &str) {
     assert!(target.contains("linux"));