rt: Remove size_of and align_of functions. Now written in Rust

Author: brson

src/lib/sys.rs

@@ -16,8 +16,6 @@ native mod rustrt {
     // available outside this crate. Otherwise it's
     // visible-in-crate, but not re-exported.
     fn last_os_error() -> str;
-    fn size_of(td: *type_desc) -> uint;
-    fn align_of(td: *type_desc) -> uint;
     fn refcount<T>(t: @T) -> uint;
     fn do_gc();
     fn unsupervise();
@@ -52,17 +50,17 @@ Function: size_of
 
 Returns the size of a type
 */
-fn size_of<T>() -> uint {
-    ret rustrt::size_of(get_type_desc::<T>());
+fn size_of<T>() -> uint unsafe {
+    ret (*get_type_desc::<T>()).size;
 }
 
 /*
 Function: align_of
 
 Returns the alignment of a type
 */
-fn align_of<T>() -> uint {
-    ret rustrt::align_of(get_type_desc::<T>());
+fn align_of<T>() -> uint unsafe {
+    ret (*get_type_desc::<T>()).align;
 }
 
 /*

src/rt/rust_builtin.cpp

@@ -75,16 +75,6 @@ void squareroot(double *input, double *output) {
     *output = sqrt(*input);
 }
 
-extern "C" CDECL size_t
-size_of(type_desc *t) {
-  return t->size;
-}
-
-extern "C" CDECL size_t
-align_of(type_desc *t) {
-  return t->align;
-}
-
 extern "C" CDECL void
 leak(void *thing) {
     // Do nothing. Call this with move-mode in order to say "Don't worry rust,

src/rt/rustrt.def.in

@@ -1,5 +1,4 @@
 __morestack
-align_of
 chan_id_send
 check_claims
 debug_box
@@ -50,7 +49,6 @@ rust_task_sleep
 rust_get_task
 set_min_stack
 sched_threads
-size_of
 squareroot
 start_task
 vec_reserve_shared