---

yaml
---
r: 81663
b: refs/heads/master
c: 133200a
h: refs/heads/master
i:
  81661: a59e8d9
  81659: d888a6c
  81655: 4583071
  81647: ab3836b
  81631: fdc760d
  81599: c5d02f1
  81535: e477cbc
  81407: 67f0ced
v: v3

Author: luqmana

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: cb7756a81d3cbc48e79ffaa1a1f9d4934b581166
+refs/heads/master: 133200a6e293f6e74b14ddb6334fab11b13e0f46
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 6c08cc2db4f98e9f07ae7d50338396c4123c2f0a
 refs/heads/try: 70152ff55722878cde684ee6462c14c65f2c4729

trunk/src/librustc/middle/trans/base.rs

@@ -2442,11 +2442,6 @@ pub fn create_entry_wrapper(ccx: @mut CrateContext,
         unsafe {
             llvm::LLVMPositionBuilderAtEnd(bld, llbb);
 
-            let crate_map = ccx.crate_map;
-            let opaque_crate_map = do "crate_map".with_c_str |buf| {
-                llvm::LLVMBuildPointerCast(bld, crate_map, Type::i8p().to_ref(), buf)
-            };
-
             let (start_fn, args) = if use_start_lang_item {
                 let start_def_id = match ccx.tcx.lang_items.require(StartFnLangItem) {
                     Ok(id) => id,
@@ -2469,8 +2464,7 @@ pub fn create_entry_wrapper(ccx: @mut CrateContext,
                         C_null(Type::opaque_box(ccx).ptr_to()),
                         opaque_rust_main,
                         llvm::LLVMGetParam(llfn, 0),
-                        llvm::LLVMGetParam(llfn, 1),
-                        opaque_crate_map
+                        llvm::LLVMGetParam(llfn, 1)
                      ]
                 };
                 (start_fn, args)
@@ -2479,8 +2473,7 @@ pub fn create_entry_wrapper(ccx: @mut CrateContext,
                 let args = ~[
                     C_null(Type::opaque_box(ccx).ptr_to()),
                     llvm::LLVMGetParam(llfn, 0 as c_uint),
-                    llvm::LLVMGetParam(llfn, 1 as c_uint),
-                    opaque_crate_map
+                    llvm::LLVMGetParam(llfn, 1 as c_uint)
                 ];
 
                 (rust_main, args)
@@ -2661,13 +2654,16 @@ pub fn get_item_val(ccx: @mut CrateContext, id: ast::NodeId) -> ValueRef {
                         }
                         ast::foreign_item_static(*) => {
                             let ident = foreign::link_name(ccx, ni);
-                            let g = do ident.with_c_str |buf| {
-                                unsafe {
+                            unsafe {
+                                let g = do ident.with_c_str |buf| {
                                     let ty = type_of(ccx, ty);
                                     llvm::LLVMAddGlobal(ccx.llmod, ty.to_ref(), buf)
+                                };
+                                if attr::contains_name(ni.attrs, "weak_linkage") {
+                                    lib::llvm::SetLinkage(g, lib::llvm::ExternalWeakLinkage);
                                 }
-                            };
-                            g
+                                g
+                            }
                         }
                     }
                 }

trunk/src/librustc/middle/typeck/mod.rs

@@ -402,8 +402,7 @@ fn check_start_fn_ty(ccx: &CrateCtxt,
                     bound_lifetime_names: opt_vec::Empty,
                     inputs: ~[
                         ty::mk_int(),
-                        ty::mk_imm_ptr(tcx, ty::mk_imm_ptr(tcx, ty::mk_u8())),
-                        ty::mk_imm_ptr(tcx, ty::mk_u8())
+                        ty::mk_imm_ptr(tcx, ty::mk_imm_ptr(tcx, ty::mk_u8()))
                     ],
                     output: ty::mk_int()
                 }

trunk/src/libstd/rt/crate_map.rs

@@ -16,7 +16,14 @@ use vec;
 use hashmap::HashSet;
 use container::MutableSet;
 
-pub struct ModEntry{
+extern {
+    #[cfg(not(stage0))]
+    #[weak_linkage]
+    #[link_name = "_rust_crate_map_toplevel"]
+    static CRATE_MAP: CrateMap;
+}
+
+pub struct ModEntry {
     name: *c_char,
     log_level: *mut u32
 }
@@ -34,6 +41,11 @@ struct CrateMap {
     children: [*CrateMap, ..1]
 }
 
+#[cfg(not(stage0))]
+pub fn get_crate_map() -> *CrateMap {
+    &'static CRATE_MAP as *CrateMap
+}
+
 unsafe fn version(crate_map: *CrateMap) -> i32 {
     match (*crate_map).version {
         1 => return 1,

trunk/src/libstd/rt/io/mod.rs

@@ -260,9 +260,6 @@ pub use self::net::ip::IpAddr;
 pub use self::net::tcp::TcpListener;
 pub use self::net::tcp::TcpStream;
 pub use self::net::udp::UdpStream;
-pub use self::pipe::PipeStream;
-pub use self::pipe::UnboundPipeStream;
-pub use self::process::Process;
 
 // Some extension traits that all Readers and Writers get.
 pub use self::extensions::ReaderUtil;
@@ -272,12 +269,6 @@ pub use self::extensions::WriterByteConversions;
 /// Synchronous, non-blocking file I/O.
 pub mod file;
 
-/// Synchronous, in-memory I/O.
-pub mod pipe;
-
-/// Child process management.
-pub mod process;
-
 /// Synchronous, non-blocking network I/O.
 pub mod net;