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Diffstat (limited to 'ctr-std/src/heap.rs')
| -rw-r--r-- | ctr-std/src/heap.rs | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/ctr-std/src/heap.rs b/ctr-std/src/heap.rs deleted file mode 100644 index 4d5e4df..0000000 --- a/ctr-std/src/heap.rs +++ /dev/null @@ -1,175 +0,0 @@ -// Copyright 2017 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -//! dox - -#![unstable(issue = "32838", feature = "allocator_api")] - -pub use alloc::heap::{Heap, Alloc, Layout, Excess, CannotReallocInPlace, AllocErr}; -pub use alloc_system::System; - -#[cfg(not(test))] -#[doc(hidden)] -#[allow(unused_attributes)] -pub mod __default_lib_allocator { - use super::{System, Layout, Alloc, AllocErr}; - use ptr; - - // for symbol names src/librustc/middle/allocator.rs - // for signatures src/librustc_allocator/lib.rs - - // linkage directives are provided as part of the current compiler allocator - // ABI - - #[no_mangle] - #[rustc_std_internal_symbol] - pub unsafe extern fn __rdl_alloc(size: usize, - align: usize, - err: *mut u8) -> *mut u8 { - let layout = Layout::from_size_align_unchecked(size, align); - match System.alloc(layout) { - Ok(p) => p, - Err(e) => { - ptr::write(err as *mut AllocErr, e); - 0 as *mut u8 - } - } - } - - #[no_mangle] - #[rustc_std_internal_symbol] - pub unsafe extern fn __rdl_oom(err: *const u8) -> ! { - System.oom((*(err as *const AllocErr)).clone()) - } - - #[no_mangle] - #[rustc_std_internal_symbol] - pub unsafe extern fn __rdl_dealloc(ptr: *mut u8, - size: usize, - align: usize) { - System.dealloc(ptr, Layout::from_size_align_unchecked(size, align)) - } - - #[no_mangle] - #[rustc_std_internal_symbol] - pub unsafe extern fn __rdl_usable_size(layout: *const u8, - min: *mut usize, - max: *mut usize) { - let pair = System.usable_size(&*(layout as *const Layout)); - *min = pair.0; - *max = pair.1; - } - - #[no_mangle] - #[rustc_std_internal_symbol] - pub unsafe extern fn __rdl_realloc(ptr: *mut u8, - old_size: usize, - old_align: usize, - new_size: usize, - new_align: usize, - err: *mut u8) -> *mut u8 { - let old_layout = Layout::from_size_align_unchecked(old_size, old_align); - let new_layout = Layout::from_size_align_unchecked(new_size, new_align); - match System.realloc(ptr, old_layout, new_layout) { - Ok(p) => p, - Err(e) => { - ptr::write(err as *mut AllocErr, e); - 0 as *mut u8 - } - } - } - - #[no_mangle] - #[rustc_std_internal_symbol] - pub unsafe extern fn __rdl_alloc_zeroed(size: usize, - align: usize, - err: *mut u8) -> *mut u8 { - let layout = Layout::from_size_align_unchecked(size, align); - match System.alloc_zeroed(layout) { - Ok(p) => p, - Err(e) => { - ptr::write(err as *mut AllocErr, e); - 0 as *mut u8 - } - } - } - - #[no_mangle] - #[rustc_std_internal_symbol] - pub unsafe extern fn __rdl_alloc_excess(size: usize, - align: usize, - excess: *mut usize, - err: *mut u8) -> *mut u8 { - let layout = Layout::from_size_align_unchecked(size, align); - match System.alloc_excess(layout) { - Ok(p) => { - *excess = p.1; - p.0 - } - Err(e) => { - ptr::write(err as *mut AllocErr, e); - 0 as *mut u8 - } - } - } - - #[no_mangle] - #[rustc_std_internal_symbol] - pub unsafe extern fn __rdl_realloc_excess(ptr: *mut u8, - old_size: usize, - old_align: usize, - new_size: usize, - new_align: usize, - excess: *mut usize, - err: *mut u8) -> *mut u8 { - let old_layout = Layout::from_size_align_unchecked(old_size, old_align); - let new_layout = Layout::from_size_align_unchecked(new_size, new_align); - match System.realloc_excess(ptr, old_layout, new_layout) { - Ok(p) => { - *excess = p.1; - p.0 - } - Err(e) => { - ptr::write(err as *mut AllocErr, e); - 0 as *mut u8 - } - } - } - - #[no_mangle] - #[rustc_std_internal_symbol] - pub unsafe extern fn __rdl_grow_in_place(ptr: *mut u8, - old_size: usize, - old_align: usize, - new_size: usize, - new_align: usize) -> u8 { - let old_layout = Layout::from_size_align_unchecked(old_size, old_align); - let new_layout = Layout::from_size_align_unchecked(new_size, new_align); - match System.grow_in_place(ptr, old_layout, new_layout) { - Ok(()) => 1, - Err(_) => 0, - } - } - - #[no_mangle] - #[rustc_std_internal_symbol] - pub unsafe extern fn __rdl_shrink_in_place(ptr: *mut u8, - old_size: usize, - old_align: usize, - new_size: usize, - new_align: usize) -> u8 { - let old_layout = Layout::from_size_align_unchecked(old_size, old_align); - let new_layout = Layout::from_size_align_unchecked(new_size, new_align); - match System.shrink_in_place(ptr, old_layout, new_layout) { - Ok(()) => 1, - Err(_) => 0, - } - } -} |