FreeBSD: ucontext/mcontext, aarch64 fixes, librt linking, etc

libc-test/build.rs

@@ -1703,6 +1703,7 @@ fn test_freebsd(target: &str) {
                 "sys/times.h",
                 "sys/timex.h",
                 "sys/types.h",
+                "sys/ucontext.h",
                 "sys/uio.h",
                 "sys/un.h",
                 "sys/utsname.h",
@@ -1809,6 +1810,22 @@ fn test_freebsd(target: &str) {
             // base system anyway.
             "CTL_MAXID" | "KERN_MAXID" | "HW_MAXID" | "USER_MAXID" => true,
 
+            // This was renamed in FreeBSD 12.2 and 13 (r352486).
+            "CTL_UNSPEC" | "CTL_SYSCTL" => true,
+
+            // These were added in FreeBSD 12.2 and 13 (r352486),
+            // but they are just names for magic numbers that existed for ages.
+            "CTL_SYSCTL_DEBUG"
+            | "CTL_SYSCTL_NAME"
+            | "CTL_SYSCTL_NEXT"
+            | "CTL_SYSCTL_NAME2OID"
+            | "CTL_SYSCTL_OIDFMT"
+            | "CTL_SYSCTL_OIDDESCR"
+            | "CTL_SYSCTL_OIDLABEL" => true,
+
+            // This was renamed in FreeBSD 12.2 and 13 (r350749).
+            "IPPROTO_SEP" | "IPPROTO_DCCP" => true,
+
             _ => false,
         }
     });

src/unix/bsd/apple/mod.rs

@@ -2,6 +2,7 @@
 //!
 //! This covers *-apple-* triples currently
 pub type c_char = i8;
+pub type wchar_t = i32;
 pub type clock_t = c_ulong;
 pub type time_t = c_long;
 pub type suseconds_t = i32;

src/unix/bsd/freebsdlike/dragonfly/mod.rs

@@ -1,5 +1,6 @@
 pub type dev_t = u32;
 pub type c_char = i8;
+pub type wchar_t = i32;
 pub type clock_t = u64;
 pub type ino_t = u64;
 pub type lwpid_t = i32;

src/unix/bsd/freebsdlike/freebsd/aarch64.rs

@@ -1,34 +1,10 @@
 pub type c_char = u8;
 pub type c_long = i64;
 pub type c_ulong = u64;
+pub type wchar_t = u32;
 pub type time_t = i64;
 pub type suseconds_t = i64;
-
-s! {
-    pub struct stat {
-        pub st_dev: ::dev_t,
-        pub st_ino: ::ino_t,
-        pub st_mode: ::mode_t,
-        pub st_nlink: ::nlink_t,
-        pub st_uid: ::uid_t,
-        pub st_gid: ::gid_t,
-        pub st_rdev: ::dev_t,
-        pub st_atime: ::time_t,
-        pub st_atime_nsec: ::c_long,
-        pub st_mtime: ::time_t,
-        pub st_mtime_nsec: ::c_long,
-        pub st_ctime: ::time_t,
-        pub st_ctime_nsec: ::c_long,
-        pub st_size: ::off_t,
-        pub st_blocks: ::blkcnt_t,
-        pub st_blksize: ::blksize_t,
-        pub st_flags: ::fflags_t,
-        pub st_gen: u32,
-        pub st_lspare: i32,
-        pub st_birthtime: ::time_t,
-        pub st_birthtime_nsec: ::c_long,
-    }
-}
+pub type register_t = i64;
 
 // should be pub(crate), but that requires Rust 1.18.0
 cfg_if! {
@@ -42,3 +18,4 @@ cfg_if! {
 }
 
 pub const MAP_32BIT: ::c_int = 0x00080000;
+pub const MINSIGSTKSZ: ::size_t = 4096; // 1024 * 4

src/unix/bsd/freebsdlike/freebsd/arm.rs

@@ -1,8 +1,10 @@
 pub type c_char = u8;
 pub type c_long = i32;
 pub type c_ulong = u32;
+pub type wchar_t = u32;
 pub type time_t = i64;
 pub type suseconds_t = i32;
+pub type register_t = i32;
 
 s! {
     pub struct stat {
@@ -45,3 +47,4 @@ cfg_if! {
     }
 }
 pub const MAP_32BIT: ::c_int = 0x00080000;
+pub const MINSIGSTKSZ: ::size_t = 4096; // 1024 * 4

src/unix/bsd/freebsdlike/freebsd/freebsd11/mod.rs

@@ -217,8 +217,9 @@ extern "C" {
 }
 
 cfg_if! {
-    if #[cfg(target_arch = "x86_64")] {
-        mod x86_64;
-        pub use self::x86_64::*;
+    if #[cfg(any(target_arch = "x86_64",
+                 target_arch = "aarch64"))] {
+        mod b64;
+        pub use self::b64::*;
     }
 }

src/unix/bsd/freebsdlike/freebsd/freebsd12/mod.rs

@@ -217,8 +217,9 @@ extern "C" {
 }
 
 cfg_if! {
-    if #[cfg(target_arch = "x86_64")] {
-        mod x86_64;
-        pub use self::x86_64::*;
+    if #[cfg(any(target_arch = "x86_64",
+                 target_arch = "aarch64"))] {
+        mod b64;
+        pub use self::b64::*;
     }
 }

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -322,10 +322,17 @@ pub const EXTATTR_NAMESPACE_EMPTY: ::c_int = 0;
 pub const EXTATTR_NAMESPACE_USER: ::c_int = 1;
 pub const EXTATTR_NAMESPACE_SYSTEM: ::c_int = 2;
 
-pub const RAND_MAX: ::c_int = 0x7fff_fffd;
-pub const PTHREAD_STACK_MIN: ::size_t = 2048;
+cfg_if! {
+    if #[cfg(any(freebsd10, freebsd11, freebsd12))] {
+        pub const RAND_MAX: ::c_int = 0x7fff_fffd;
+    } else {
+        pub const RAND_MAX: ::c_int = 0x7fff_ffff;
+    }
+}
+
+pub const PTHREAD_STACK_MIN: ::size_t = MINSIGSTKSZ;
 pub const PTHREAD_MUTEX_ADAPTIVE_NP: ::c_int = 4;
-pub const SIGSTKSZ: ::size_t = 34816;
+pub const SIGSTKSZ: ::size_t = MINSIGSTKSZ + 32768;
 pub const SF_NODISKIO: ::c_int = 0x00000001;
 pub const SF_MNOWAIT: ::c_int = 0x00000002;
 pub const SF_SYNC: ::c_int = 0x00000004;
@@ -442,7 +449,13 @@ pub const CLOCK_SECOND: ::clockid_t = 13;
 pub const CLOCK_THREAD_CPUTIME_ID: ::clockid_t = 14;
 pub const CLOCK_PROCESS_CPUTIME_ID: ::clockid_t = 15;
 
+#[doc(hidden)]
+#[deprecated(
+    since = "0.2.72",
+    note = "CTL_UNSPEC is deprecated. Use CTL_SYSCTL instead"
+)]
 pub const CTL_UNSPEC: ::c_int = 0;
+pub const CTL_SYSCTL: ::c_int = 0;
 pub const CTL_KERN: ::c_int = 1;
 pub const CTL_VM: ::c_int = 2;
 pub const CTL_VFS: ::c_int = 3;
@@ -452,6 +465,13 @@ pub const CTL_HW: ::c_int = 6;
 pub const CTL_MACHDEP: ::c_int = 7;
 pub const CTL_USER: ::c_int = 8;
 pub const CTL_P1003_1B: ::c_int = 9;
+pub const CTL_SYSCTL_DEBUG: ::c_int = 0;
+pub const CTL_SYSCTL_NAME: ::c_int = 1;
+pub const CTL_SYSCTL_NEXT: ::c_int = 2;
+pub const CTL_SYSCTL_NAME2OID: ::c_int = 3;
+pub const CTL_SYSCTL_OIDFMT: ::c_int = 4;
+pub const CTL_SYSCTL_OIDDESCR: ::c_int = 5;
+pub const CTL_SYSCTL_OIDLABEL: ::c_int = 6;
 pub const KERN_OSTYPE: ::c_int = 1;
 pub const KERN_OSRELEASE: ::c_int = 2;
 pub const KERN_OSREV: ::c_int = 3;
@@ -769,8 +789,14 @@ pub const IPPROTO_BLT: ::c_int = 30;
 pub const IPPROTO_NSP: ::c_int = 31;
 /// Merit Internodal
 pub const IPPROTO_INP: ::c_int = 32;
-/// Sequential Exchange
+#[doc(hidden)]
+#[deprecated(
+    since = "0.2.72",
+    note = "IPPROTO_SEP is deprecated. Use IPPROTO_DCCP instead"
+)]
 pub const IPPROTO_SEP: ::c_int = 33;
+/// Datagram Congestion Control Protocol
+pub const IPPROTO_DCCP: ::c_int = 33;
 /// Third Party Connect
 pub const IPPROTO_3PC: ::c_int = 34;
 /// InterDomain Policy Routing

src/unix/bsd/freebsdlike/freebsd/powerpc64.rs

@@ -1,8 +1,10 @@
 pub type c_char = u8;
 pub type c_long = i64;
 pub type c_ulong = u64;
+pub type wchar_t = i32;
 pub type time_t = i64;
 pub type suseconds_t = i64;
+pub type register_t = i64;
 
 s! {
     pub struct stat {
@@ -42,3 +44,4 @@ cfg_if! {
 }
 
 pub const MAP_32BIT: ::c_int = 0x00080000;
+pub const MINSIGSTKSZ: ::size_t = 2048; // 512 * 4

src/unix/bsd/freebsdlike/freebsd/x86.rs

@@ -1,8 +1,10 @@
 pub type c_char = i8;
 pub type c_long = i32;
 pub type c_ulong = u32;
+pub type wchar_t = i32;
 pub type time_t = i32;
 pub type suseconds_t = i32;
+pub type register_t = i32;
 
 s! {
     pub struct stat {
@@ -41,3 +43,4 @@ cfg_if! {
         pub const _ALIGNBYTES: usize = 8 - 1;
     }
 }
+pub const MINSIGSTKSZ: ::size_t = 2048; // 512 * 4