Auto merge of #1221 - MikaelUrankar:powerpc64-unknown-freebsd, r=gnzlbg

Add powerpc64-unknown-freebsd

FreeBSD review: https://reviews.freebsd.org/D18367

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

+pub type c_char = i8;
 pub type clock_t = u64;
 pub type ino_t = u64;
 pub type lwpid_t = i32;

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

 use dox::mem;
 
+pub type c_char = u8;
 pub type c_long = i64;
 pub type c_ulong = u64;
 pub type time_t = i64;

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

@@ -1222,6 +1222,9 @@ cfg_if! {
     } else if #[cfg(target_arch = "arm")] {
         mod arm;
         pub use self::arm::*;
+    } else if #[cfg(target_arch = "powerpc64")] {
+        mod powerpc64;
+        pub use self::powerpc64::*;
     } else {
         // Unknown target_arch
     }

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

+pub type c_char = u8;
+pub type c_long = i64;
+pub type c_ulong = u64;
+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: ::uint32_t,
+        pub st_lspare: ::int32_t,
+        pub st_birthtime: ::time_t,
+        pub st_birthtime_nsec: ::c_long,
+    }
+}
+
+// should be pub(crate), but that requires Rust 1.18.0
+#[doc(hidden)]
+pub const _ALIGNBYTES: usize = mem::size_of::<::c_long>() - 1;
+pub const MAP_32BIT: ::c_int = 0x00080000;

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

 use dox::mem;
 
+pub type c_char = i8;
 pub type c_long = i32;
 pub type c_ulong = u32;
 pub type time_t = i32;

src/unix/bsd/freebsdlike/freebsd/x86_64.rs

 use dox::mem;
 
+pub type c_char = i8;
 pub type c_long = i64;
 pub type c_ulong = u64;
 pub type time_t = i64;

src/unix/bsd/freebsdlike/mod.rs

-pub type c_char = i8;
 pub type dev_t = u32;
 pub type mode_t = u16;
 pub type pthread_attr_t = *mut ::c_void;