---

yaml
---
r: 227502
b: refs/heads/try
c: 328df8e
h: refs/heads/master
v: v3

Author: michaelsproul

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: aca2057ed5fb7af3f8905b2bc01f72fa001c35c8
 refs/heads/snap-stage3: 1af31d4974e33027a68126fa5a5a3c2c6491824f
-refs/heads/try: 8937ec10041e7cb9edaeb87f0d5a721a8be6c8df
+refs/heads/try: 328df8ebf9dc35d48c7aa829425413af3fc3a08c
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try/configure

@@ -521,7 +521,6 @@ fi
 DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
 
 CFG_SRC_DIR="$(abs_path $(dirname $0))/"
-CFG_SRC_DIR_RELATIVE="$(dirname $0)/"
 CFG_BUILD_DIR="$(pwd)/"
 CFG_SELF="$0"
 CFG_CONFIGURE_ARGS="$@"
@@ -1559,7 +1558,6 @@ done
 step_msg "writing configuration"
 
 putvar CFG_SRC_DIR
-putvar CFG_SRC_DIR_RELATIVE
 putvar CFG_BUILD_DIR
 putvar CFG_OSTYPE
 putvar CFG_CPUTYPE

branches/try/mk/cfg/x86_64-unknown-linux-musl.mk

@@ -3,7 +3,6 @@ CC_x86_64-unknown-linux-musl=$(CFG_MUSL_ROOT)/bin/musl-gcc
 CXX_x86_64-unknown-linux-musl=notaprogram
 CPP_x86_64-unknown-linux-musl=$(CFG_MUSL_ROOT)/bin/musl-gcc -E
 AR_x86_64-unknown-linux-musl=$(AR)
-CFG_INSTALL_ONLY_RLIB_x86_64-unknown-linux-musl = 1
 CFG_LIB_NAME_x86_64-unknown-linux-musl=lib$(1).so
 CFG_STATIC_LIB_NAME_x86_64-unknown-linux-musl=lib$(1).a
 CFG_LIB_GLOB_x86_64-unknown-linux-musl=lib$(1)-*.so

branches/try/mk/crates.mk

@@ -134,7 +134,7 @@ DOC_CRATES := std alloc collections core libc rustc_unicode
 #
 # $(1) is the crate to generate variables for
 define RUST_CRATE
-CRATEFILE_$(1) := $$(SREL)src/lib$(1)/lib.rs
+CRATEFILE_$(1) := $$(S)src/lib$(1)/lib.rs
 RSINPUTS_$(1) := $$(call rwildcard,$(S)src/lib$(1)/,*.rs)
 RUST_DEPS_$(1) := $$(filter-out native:%,$$(DEPS_$(1)))
 NATIVE_DEPS_$(1) := $$(patsubst native:%,%,$$(filter native:%,$$(DEPS_$(1))))

branches/try/mk/main.mk

@@ -322,7 +322,6 @@ $(foreach host,$(CFG_HOST), \
 # exported
 
 export CFG_SRC_DIR
-export CFG_SRC_DIR_RELATIVE
 export CFG_BUILD_DIR
 ifdef CFG_VER_DATE
 export CFG_VER_DATE

branches/try/mk/reconfig.mk

@@ -34,4 +34,4 @@ Makefile config.mk: config.stamp
 
 config.stamp: $(S)configure $(S)Makefile.in $(S)src/snapshots.txt
 	@$(call E, cfg: reconfiguring)
-	$(SREL)configure $(CFG_CONFIGURE_ARGS)
+	$(S)configure $(CFG_CONFIGURE_ARGS)

branches/try/mk/util.mk

@@ -20,4 +20,3 @@ print-%:
 	@echo $*=$($*)
 
 S := $(CFG_SRC_DIR)
-SREL := $(CFG_SRC_DIR_RELATIVE)

branches/try/src/liballoc/heap.rs

@@ -345,94 +345,47 @@ mod imp {
           not(jemalloc),
           windows))]
 mod imp {
-    use core::mem::size_of;
-    use libc::{BOOL, DWORD, HANDLE, LPVOID, SIZE_T, INVALID_HANDLE_VALUE};
-    use libc::{WriteFile};
+    use libc::{c_void, size_t};
+    use libc;
     use super::MIN_ALIGN;
 
-    extern "system" {
-        fn GetProcessHeap() -> HANDLE;
-        fn GetStdHandle(nStdHandle: DWORD) -> HANDLE;
-        fn HeapAlloc(hHeap: HANDLE, dwFlags: DWORD, dwBytes: SIZE_T) -> LPVOID;
-        fn HeapReAlloc(hHeap: HANDLE, dwFlags: DWORD, lpMem: LPVOID, dwBytes: SIZE_T) -> LPVOID;
-        fn HeapFree(hHeap: HANDLE, dwFlags: DWORD, lpMem: LPVOID) -> BOOL;
-        fn HeapSummary(hHeap: HANDLE, dwFlags: DWORD, lpSummary: LPHEAP_SUMMARY) -> BOOL;
-    }
-
-    #[repr(C)] #[allow(non_snake_case)]
-    struct HEAP_SUMMARY {
-        cb: DWORD,
-        cbAllocated: SIZE_T,
-        cbCommitted: SIZE_T,
-        cbReserved: SIZE_T,
-        cbMaxReserve: SIZE_T,
-    }
-    #[allow(non_camel_case_types)]
-    type LPHEAP_SUMMARY = *mut HEAP_SUMMARY;
-
-    #[repr(C)]
-    struct Header(*mut u8);
-
-    const HEAP_REALLOC_IN_PLACE_ONLY: DWORD = 0x00000010;
-    const STD_OUTPUT_HANDLE: DWORD = -11i32 as u32;
-
-    #[inline]
-    unsafe fn get_header<'a>(ptr: *mut u8) -> &'a mut Header {
-        &mut *(ptr as *mut Header).offset(-1)
-    }
-
-    #[inline]
-    unsafe fn align_ptr(ptr: *mut u8, align: usize) -> *mut u8 {
-        let aligned = ptr.offset((align - (ptr as usize & (align - 1))) as isize);
-        *get_header(aligned) = Header(ptr);
-        aligned
+    extern {
+        fn _aligned_malloc(size: size_t, align: size_t) -> *mut c_void;
+        fn _aligned_realloc(block: *mut c_void, size: size_t,
+                            align: size_t) -> *mut c_void;
+        fn _aligned_free(ptr: *mut c_void);
     }
 
     #[inline]
     pub unsafe fn allocate(size: usize, align: usize) -> *mut u8 {
         if align <= MIN_ALIGN {
-            HeapAlloc(GetProcessHeap(), 0, size as SIZE_T) as *mut u8
+            libc::malloc(size as size_t) as *mut u8
         } else {
-            let ptr = HeapAlloc(GetProcessHeap(), 0, (size + align) as SIZE_T) as *mut u8;
-            if ptr.is_null() { return ptr }
-            align_ptr(ptr, align)
+            _aligned_malloc(size as size_t, align as size_t) as *mut u8
         }
     }
 
     #[inline]
     pub unsafe fn reallocate(ptr: *mut u8, _old_size: usize, size: usize, align: usize) -> *mut u8 {
         if align <= MIN_ALIGN {
-            HeapReAlloc(GetProcessHeap(), 0, ptr as LPVOID, size as SIZE_T) as *mut u8
+            libc::realloc(ptr as *mut c_void, size as size_t) as *mut u8
         } else {
-            let header = get_header(ptr);
-            let new = HeapReAlloc(GetProcessHeap(), 0, header.0 as LPVOID,
-                                  (size + align) as SIZE_T) as *mut u8;
-            if new.is_null() { return new }
-            align_ptr(new, align)
+            _aligned_realloc(ptr as *mut c_void, size as size_t, align as size_t) as *mut u8
         }
     }
 
     #[inline]
-    pub unsafe fn reallocate_inplace(ptr: *mut u8, old_size: usize, size: usize,
-                                     align: usize) -> usize {
-        if align <= MIN_ALIGN {
-            let new = HeapReAlloc(GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, ptr as LPVOID,
-                                  size as SIZE_T) as *mut u8;
-            if new.is_null() { old_size } else { size }
-        } else {
-            old_size
-        }
+    pub unsafe fn reallocate_inplace(_ptr: *mut u8, old_size: usize, _size: usize,
+                                     _align: usize) -> usize {
+        old_size
     }
 
     #[inline]
     pub unsafe fn deallocate(ptr: *mut u8, _old_size: usize, align: usize) {
         if align <= MIN_ALIGN {
-            let err = HeapFree(GetProcessHeap(), 0, ptr as LPVOID);
-            debug_assert!(err != 0);
+            libc::free(ptr as *mut libc::c_void)
         } else {
-            let header = get_header(ptr);
-            let err = HeapFree(GetProcessHeap(), 0, header.0 as LPVOID);
-            debug_assert!(err != 0);
+            _aligned_free(ptr as *mut c_void)
         }
     }
 
@@ -441,45 +394,7 @@ mod imp {
         size
     }
 
-    pub fn stats_print() {
-        use core::fmt::{Error, Result, Write};
-        use core::ptr::null_mut;
-        use core::raw::Repr;
-        use core::result::Result::{Ok, Err};
-        struct Console(HANDLE);
-        impl Write for Console {
-            fn write_str(&mut self, s: &str) -> Result {
-                let repr = s.repr();
-                let mut written = 0;
-                let err = unsafe { WriteFile(self.0, repr.data as LPVOID, repr.len as DWORD,
-                                             &mut written, null_mut()) };
-                if written as usize != repr.len { return Err(Error) }
-                if err == 0 { return Err(Error) }
-                Ok(())
-            }
-        }
-        let mut hs = HEAP_SUMMARY {
-            cb: size_of::<HEAP_SUMMARY>() as DWORD,
-            cbAllocated: 0,
-            cbCommitted: 0,
-            cbReserved: 0,
-            cbMaxReserve: 0,
-        };
-        let err = unsafe { HeapSummary(GetProcessHeap(), 0, &mut hs) };
-        assert!(err != 0);
-        let handle = unsafe { GetStdHandle(STD_OUTPUT_HANDLE) };
-        if handle.is_null() || handle == INVALID_HANDLE_VALUE { panic!("Failed to open stdout") }
-        let mut out = Console(handle);
-        writeln!(&mut out, "Allocated: {}", hs.cbAllocated).unwrap();
-        writeln!(&mut out, "Committed: {}", hs.cbCommitted).unwrap();
-        writeln!(&mut out, "Reserved: {}", hs.cbReserved).unwrap();
-        writeln!(&mut out, "MaxReserve: {}", hs.cbMaxReserve).unwrap();
-    }
-
-    #[test]
-    fn alignment_header_size() {
-        assert!(size_of::<Header>() <= MIN_ALIGN);
-    }
+    pub fn stats_print() {}
 }
 
 #[cfg(test)]

branches/try/src/libcore/fmt/mod.rs

@@ -72,7 +72,7 @@ pub trait Write {
     ///
     /// # Errors
     ///
-    /// This function will return an instance of `Error` on error.
+    /// This function will return an instance of `FormatError` on error.
     #[stable(feature = "rust1", since = "1.0.0")]
     fn write_str(&mut self, s: &str) -> Result;
 
@@ -85,7 +85,7 @@ pub trait Write {
     ///
     /// # Errors
     ///
-    /// This function will return an instance of `Error` on error.
+    /// This function will return an instance of `FormatError` on error.
     #[stable(feature = "fmt_write_char", since = "1.1.0")]
     fn write_char(&mut self, c: char) -> Result {
         let mut utf_8 = [0u8; 4];