---

yaml
---
r: 144343
b: refs/heads/try2
c: c96b1d8
h: refs/heads/master
i:
  144341: 4001619
  144339: 6dd10e3
  144335: ad4732f
v: v3

Author: bors

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: 347943640e9ea1db18d5a7401c0b50a44544599d
+refs/heads/try2: c96b1d89c490807b7ecdc9929a445dd82987275c
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/mk/rt.mk

@@ -63,7 +63,6 @@ endif
 endif
 
 RUNTIME_CXXS_$(1)_$(2) := \
-              rt/sync/timer.cpp \
               rt/sync/lock_and_signal.cpp \
               rt/sync/rust_thread.cpp \
               rt/rust_builtin.cpp \
@@ -72,13 +71,9 @@ RUNTIME_CXXS_$(1)_$(2) := \
               rt/rust_upcall.cpp \
               rt/rust_uv.cpp \
               rt/rust_crate_map.cpp \
-              rt/rust_gc_metadata.cpp \
-              rt/rust_util.cpp \
               rt/rust_log.cpp \
-              rt/rust_exchange_alloc.cpp \
               rt/isaac/randport.cpp \
               rt/miniz.cpp \
-              rt/rust_abi.cpp \
               rt/memory_region.cpp \
               rt/boxed_region.cpp \
               rt/arch/$$(HOST_$(1))/context.cpp \

branches/try2/src/libextra/time.rs

@@ -121,6 +121,9 @@ pub struct Tm {
 }
 
 pub fn empty_tm() -> Tm {
+    // 64 is the max size of the timezone buffer allocated on windows
+    // in rust_localtime. In glibc the max timezone size is supposedly 3.
+    let zone = str::with_capacity(64);
     Tm {
         tm_sec: 0_i32,
         tm_min: 0_i32,
@@ -132,7 +135,7 @@ pub fn empty_tm() -> Tm {
         tm_yday: 0_i32,
         tm_isdst: 0_i32,
         tm_gmtoff: 0_i32,
-        tm_zone: ~"",
+        tm_zone: zone,
         tm_nsec: 0_i32,
     }
 }

branches/try2/src/librustc/middle/trans/monomorphize.rs

@@ -26,16 +26,13 @@ use middle::trans::type_of;
 use middle::trans::type_use;
 use middle::trans::intrinsic;
 use middle::ty;
-use middle::ty::{FnSig};
 use middle::typeck;
 use util::ppaux::{Repr,ty_to_str};
 
 use syntax::ast;
 use syntax::ast_map;
 use syntax::ast_map::path_name;
 use syntax::ast_util::local_def;
-use syntax::opt_vec;
-use syntax::abi::AbiSet;
 
 pub fn monomorphic_fn(ccx: @mut CrateContext,
                       fn_id: ast::def_id,
@@ -61,17 +58,10 @@ pub fn monomorphic_fn(ccx: @mut CrateContext,
     let _icx = push_ctxt("monomorphic_fn");
     let mut must_cast = false;
 
-    let do_normalize = |t: &ty::t| {
-        match normalize_for_monomorphization(ccx.tcx, *t) {
-          Some(t) => { must_cast = true; t }
-          None => *t
-        }
-    };
-
     let psubsts = @param_substs {
-        tys: real_substs.tps.map(|x| do_normalize(x)),
+        tys: real_substs.tps.to_owned(),
         vtables: vtables,
-        self_ty: real_substs.self_ty.map(|x| do_normalize(x)),
+        self_ty: real_substs.self_ty.clone(),
         self_vtables: self_vtables
     };
 
@@ -305,61 +295,6 @@ pub fn monomorphic_fn(ccx: @mut CrateContext,
     (lldecl, must_cast)
 }
 
-pub fn normalize_for_monomorphization(tcx: ty::ctxt,
-                                      ty: ty::t) -> Option<ty::t> {
-    // FIXME[mono] could do this recursively. is that worthwhile? (#2529)
-    return match ty::get(ty).sty {
-        ty::ty_box(*) => {
-            Some(ty::mk_opaque_box(tcx))
-        }
-        ty::ty_bare_fn(_) => {
-            Some(ty::mk_bare_fn(
-                tcx,
-                ty::BareFnTy {
-                    purity: ast::impure_fn,
-                    abis: AbiSet::Rust(),
-                    sig: FnSig {bound_lifetime_names: opt_vec::Empty,
-                                inputs: ~[],
-                                output: ty::mk_nil()}}))
-        }
-        ty::ty_closure(ref fty) => {
-            Some(normalized_closure_ty(tcx, fty.sigil))
-        }
-        ty::ty_trait(_, _, ref store, _, _) => {
-            let sigil = match *store {
-                ty::UniqTraitStore => ast::OwnedSigil,
-                ty::BoxTraitStore => ast::ManagedSigil,
-                ty::RegionTraitStore(_) => ast::BorrowedSigil,
-            };
-
-            // Traits have the same runtime representation as closures.
-            Some(normalized_closure_ty(tcx, sigil))
-        }
-        ty::ty_ptr(_) => {
-            Some(ty::mk_uint())
-        }
-        _ => {
-            None
-        }
-    };
-
-    fn normalized_closure_ty(tcx: ty::ctxt,
-                             sigil: ast::Sigil) -> ty::t
-    {
-        ty::mk_closure(
-            tcx,
-            ty::ClosureTy {
-                purity: ast::impure_fn,
-                sigil: sigil,
-                onceness: ast::Many,
-                region: ty::re_static,
-                bounds: ty::EmptyBuiltinBounds(),
-                sig: ty::FnSig {bound_lifetime_names: opt_vec::Empty,
-                                inputs: ~[],
-                                output: ty::mk_nil()}})
-    }
-}
-
 pub fn make_mono_id(ccx: @mut CrateContext,
                     item: ast::def_id,
                     substs: &param_substs,

branches/try2/src/libstd/repr.rs

@@ -590,7 +590,7 @@ fn test_repr() {
     exact_test(&(~"he\u10f3llo"), "~\"he\\u10f3llo\"");
 
     exact_test(&(@10), "@10");
-    exact_test(&(@mut 10), "@10"); // FIXME: #4210: incorrect
+    exact_test(&(@mut 10), "@mut 10");
     exact_test(&((@mut 10, 2)), "(@mut 10, 2)");
     exact_test(&(~10), "~10");
     exact_test(&(&10), "&10");

branches/try2/src/libstd/rt/local_heap.rs

@@ -40,12 +40,10 @@ impl LocalHeap {
     #[fixed_stack_segment] #[inline(never)]
     pub fn new() -> LocalHeap {
         unsafe {
-            // Don't need synchronization for the single-threaded local heap
-            let synchronized = false as uintptr_t;
             // XXX: These usually come from the environment
             let detailed_leaks = false as uintptr_t;
             let poison_on_free = false as uintptr_t;
-            let region = rust_new_memory_region(synchronized, detailed_leaks, poison_on_free);
+            let region = rust_new_memory_region(detailed_leaks, poison_on_free);
             assert!(region.is_not_null());
             let boxed = rust_new_boxed_region(region, poison_on_free);
             assert!(boxed.is_not_null());
@@ -109,8 +107,7 @@ pub fn live_allocs() -> *raw::Box<()> {
 
 extern {
     #[fast_ffi]
-    fn rust_new_memory_region(synchronized: uintptr_t,
-                               detailed_leaks: uintptr_t,
+    fn rust_new_memory_region(detailed_leaks: uintptr_t,
                                poison_on_free: uintptr_t) -> *MemoryRegion;
     #[fast_ffi]
     fn rust_delete_memory_region(region: *MemoryRegion);

branches/try2/src/libstd/rt/mod.rs

@@ -224,10 +224,7 @@ pub fn init(argc: int, argv: **u8, crate_map: *u8) {
         args::init(argc, argv);
         env::init();
         logging::init(crate_map);
-        rust_update_gc_metadata(crate_map);
     }
-
-    externfn!(fn rust_update_gc_metadata(crate_map: *u8));
 }
 
 /// One-time runtime cleanup.

branches/try2/src/libstd/rt/util.rs

@@ -14,6 +14,7 @@ use libc;
 use option::{Some, None};
 use os;
 use str::StrSlice;
+use unstable::atomics::{AtomicInt, INIT_ATOMIC_INT, SeqCst};
 
 #[cfg(target_os="macos")]
 use unstable::running_on_valgrind;
@@ -129,24 +130,12 @@ memory and partly incapable of presentation to others.",
     }
 }
 
-pub fn set_exit_status(code: int) {
-    #[fixed_stack_segment]; #[inline(never)];
-    unsafe {
-        return rust_set_exit_status_newrt(code as libc::uintptr_t);
-    }
+static mut EXIT_STATUS: AtomicInt = INIT_ATOMIC_INT;
 
-    extern {
-        fn rust_set_exit_status_newrt(code: libc::uintptr_t);
-    }
+pub fn set_exit_status(code: int) {
+    unsafe { EXIT_STATUS.store(code, SeqCst) }
 }
 
 pub fn get_exit_status() -> int {
-    #[fixed_stack_segment]; #[inline(never)];
-    unsafe {
-        return rust_get_exit_status_newrt() as int;
-    }
-
-    extern {
-        fn rust_get_exit_status_newrt() -> libc::uintptr_t;
-    }
+    unsafe { EXIT_STATUS.load(SeqCst) }
 }

branches/try2/src/rt/memory_region.cpp

@@ -9,7 +9,6 @@
 // except according to those terms.
 
 
-#include "sync/sync.h"
 #include "memory_region.h"
 
 #if RUSTRT_TRACK_ALLOCATIONS >= 3
@@ -42,30 +41,25 @@ inline void memory_region::maybe_print_backtrace(const alloc_header *header) con
 #   endif
 }
 
-memory_region::memory_region(bool synchronized,
-                             bool detailed_leaks,
+memory_region::memory_region(bool detailed_leaks,
                              bool poison_on_free) :
     _parent(NULL), _live_allocations(0),
     _detailed_leaks(detailed_leaks),
-    _poison_on_free(poison_on_free),
-    _synchronized(synchronized) {
+    _poison_on_free(poison_on_free) {
 }
 
 memory_region::memory_region(memory_region *parent) :
     _parent(parent), _live_allocations(0),
     _detailed_leaks(parent->_detailed_leaks),
-    _poison_on_free(parent->_poison_on_free),
-    _synchronized(parent->_synchronized) {
+    _poison_on_free(parent->_poison_on_free) {
 }
 
 void memory_region::add_alloc() {
-    //_live_allocations++;
-    sync::increment(_live_allocations);
+    _live_allocations++;
 }
 
 void memory_region::dec_alloc() {
-    //_live_allocations--;
-    sync::decrement(_live_allocations);
+    _live_allocations--;
 }
 
 void memory_region::free(void *mem) {
@@ -112,7 +106,6 @@ memory_region::realloc(void *mem, size_t orig_size) {
 #   endif
 
 #   if RUSTRT_TRACK_ALLOCATIONS >= 2
-    if (_synchronized) { _lock.lock(); }
     if (_allocation_list[newMem->index] != alloc) {
         printf("at index %d, found %p, expected %p\n",
                alloc->index, _allocation_list[alloc->index], alloc);
@@ -125,7 +118,6 @@ memory_region::realloc(void *mem, size_t orig_size) {
         // printf("realloc: stored %p at index %d, replacing %p\n",
         //        newMem, index, mem);
     }
-    if (_synchronized) { _lock.unlock(); }
 #   endif
 
     return get_data(newMem);
@@ -160,9 +152,7 @@ memory_region::malloc(size_t size, const char *tag) {
 }
 
 memory_region::~memory_region() {
-    if (_synchronized) { _lock.lock(); }
     if (_live_allocations == 0 && !_detailed_leaks) {
-        if (_synchronized) { _lock.unlock(); }
         return;
     }
     char msg[128];
@@ -193,7 +183,6 @@ memory_region::~memory_region() {
         fprintf(stderr, "%s\n", msg);
         assert(false);
     }
-    if (_synchronized) { _lock.unlock(); }
 }
 
 void
@@ -204,7 +193,6 @@ memory_region::release_alloc(void *mem) {
 #   endif
 
 #   if RUSTRT_TRACK_ALLOCATIONS >= 2
-    if (_synchronized) { _lock.lock(); }
     if (((size_t) alloc->index) >= _allocation_list.size()) {
         printf("free: ptr 0x%" PRIxPTR " (%s) index %d is beyond allocation_list of size %zu\n",
                (uintptr_t) get_data(alloc), alloc->tag, alloc->index, _allocation_list.size());
@@ -222,7 +210,6 @@ memory_region::release_alloc(void *mem) {
         _allocation_list[alloc->index] = NULL;
         alloc->index = -1;
     }
-    if (_synchronized) { _lock.unlock(); }
 #   endif
 
     dec_alloc();
@@ -236,9 +223,7 @@ memory_region::claim_alloc(void *mem) {
 #   endif
 
 #   if RUSTRT_TRACK_ALLOCATIONS >= 2
-    if (_synchronized) { _lock.lock(); }
     alloc->index = _allocation_list.append(alloc);
-    if (_synchronized) { _lock.unlock(); }
 #   endif
 
 #   if RUSTRT_TRACK_ALLOCATIONS >= 3

branches/try2/src/rt/memory_region.h

@@ -59,7 +59,6 @@ class memory_region {
     array_list<alloc_header *> _allocation_list;
     const bool _detailed_leaks;
     const bool _poison_on_free;
-    const bool _synchronized;
     lock_and_signal _lock;
 
     void add_alloc();
@@ -77,8 +76,7 @@ class memory_region {
     memory_region& operator=(const memory_region& rhs);
 
 public:
-    memory_region(bool synchronized,
-                  bool detailed_leaks, bool poison_on_free);
+    memory_region(bool detailed_leaks, bool poison_on_free);
     memory_region(memory_region *parent);
     void *malloc(size_t size, const char *tag);
     void *realloc(void *mem, size_t size);