Initial version of AArch64 support.

Adds AArch64 knowledge to:
* configure,
* make files,
* sources,
* tests, and
* documentation.

4 files changed, 27 insertions, 8 deletions

diff --git a/src/libstd/sys/common/stack.rs b/src/libstd/sys/common/stack.rs
index 2a88e20c8fa..ce5ab67ae61 100644
--- a/src/libstd/sys/common/stack.rs
+++ b/src/libstd/sys/common/stack.rs
@@ -1,4 +1,4 @@
-// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -226,6 +226,11 @@ pub unsafe fn record_sp_limit(limit: uint) {
         }
     }
 
+    // aarch64 - FIXME(AARCH64): missing...
+    #[cfg(target_arch = "aarch64")]
+    unsafe fn target_record_sp_limit(_: uint) {
+    }
+
     // iOS segmented stack is disabled for now, see related notes
     #[cfg(all(target_arch = "arm", target_os = "ios"))] #[inline(always)]
     unsafe fn target_record_sp_limit(_: uint) {
@@ -315,6 +320,12 @@ pub unsafe fn get_sp_limit() -> uint {
         }
     }
 
+    // aarch64 - FIXME(AARCH64): missing...
+    #[cfg(target_arch = "aarch64")]
+    unsafe fn target_get_sp_limit() -> uint {
+        1024
+    }
+
     // iOS doesn't support segmented stacks yet. This function might
     // be called by runtime though so it is unsafe to mark it as
     // unreachable, let's return a fixed constant.
diff --git a/src/libstd/sys/unix/c.rs b/src/libstd/sys/unix/c.rs
index 1bb8ed78177..ca419d1c7f4 100644
--- a/src/libstd/sys/unix/c.rs
+++ b/src/libstd/sys/unix/c.rs
@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -28,7 +28,8 @@ pub const FIONBIO: libc::c_ulong = 0x8004667e;
 #[cfg(any(all(target_os = "linux",
               any(target_arch = "x86",
                   target_arch = "x86_64",
-                  target_arch = "arm")),
+                  target_arch = "arm",
+                  target_arch = "aarch64")),
           target_os = "android"))]
 pub const FIONBIO: libc::c_ulong = 0x5421;
 #[cfg(all(target_os = "linux",
@@ -43,7 +44,8 @@ pub const FIOCLEX: libc::c_ulong = 0x20006601;
 #[cfg(any(all(target_os = "linux",
               any(target_arch = "x86",
                   target_arch = "x86_64",
-                  target_arch = "arm")),
+                  target_arch = "arm",
+                  target_arch = "aarch64")),
           target_os = "android"))]
 pub const FIOCLEX: libc::c_ulong = 0x5451;
 #[cfg(all(target_os = "linux",
@@ -127,7 +129,8 @@ mod select {
 #[cfg(any(all(target_os = "linux",
               any(target_arch = "x86",
                   target_arch = "x86_64",
-                  target_arch = "arm")),
+                  target_arch = "arm",
+                  target_arch = "aarch64")),
           target_os = "android"))]
 mod signal {
     use libc;
diff --git a/src/libstd/sys/unix/stack_overflow.rs b/src/libstd/sys/unix/stack_overflow.rs
index 95ab9b459d6..1fd619a28db 100644
--- a/src/libstd/sys/unix/stack_overflow.rs
+++ b/src/libstd/sys/unix/stack_overflow.rs
@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -147,6 +147,7 @@ mod imp {
     #[cfg(any(all(target_os = "linux", target_arch = "x86"), // may not match
               all(target_os = "linux", target_arch = "x86_64"),
               all(target_os = "linux", target_arch = "arm"), // may not match
+              all(target_os = "linux", target_arch = "aarch64"),
               all(target_os = "linux", target_arch = "mips"), // may not match
               all(target_os = "linux", target_arch = "mipsel"), // may not match
               target_os = "android"))] // may not match
diff --git a/src/libstd/sys/unix/sync.rs b/src/libstd/sys/unix/sync.rs
index 77c5582d8a4..1d8a59dbbb3 100644
--- a/src/libstd/sys/unix/sync.rs
+++ b/src/libstd/sys/unix/sync.rs
@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -125,15 +125,19 @@ mod os {
               target_arch = "mips",
               target_arch = "mipsel"))]
     const __SIZEOF_PTHREAD_MUTEX_T: uint = 24 - 8;
+    #[cfg(target_arch = "aarch64")]
+    const __SIZEOF_PTHREAD_MUTEX_T: uint = 48 - 8;
 
     #[cfg(any(target_arch = "x86_64",
               target_arch = "x86",
               target_arch = "arm",
+              target_arch = "aarch64",
               target_arch = "mips",
               target_arch = "mipsel"))]
     const __SIZEOF_PTHREAD_COND_T: uint = 48 - 8;
 
-    #[cfg(target_arch = "x86_64")]
+    #[cfg(any(target_arch = "x86_64",
+              target_arch = "aarch64"))]
     const __SIZEOF_PTHREAD_RWLOCK_T: uint = 56 - 8;
 
     #[cfg(any(target_arch = "x86",