70 lines
1.8 KiB
Rust
70 lines
1.8 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// no-prefer-dynamic
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#![feature(allocator, core_intrinsics, panic_unwind)]
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#![allocator]
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#![crate_type = "rlib"]
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#![no_std]
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extern crate unwind;
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pub static mut HITS: usize = 0;
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type size_t = usize;
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extern {
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fn malloc(size: usize) -> *mut u8;
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fn free(ptr: *mut u8);
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fn calloc(size: usize, amt: usize) -> *mut u8;
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fn realloc(ptr: *mut u8, size: usize) -> *mut u8;
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}
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#[no_mangle]
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pub extern fn __rust_allocate(size: usize, align: usize) -> *mut u8 {
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unsafe {
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HITS += 1;
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malloc(size as size_t) as *mut u8
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}
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}
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#[no_mangle]
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pub extern fn __rust_allocate_zeroed(size: usize, _align: usize) -> *mut u8 {
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unsafe { calloc(size as size_t, 1) as *mut u8 }
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}
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#[no_mangle]
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pub extern fn __rust_deallocate(ptr: *mut u8, old_size: usize, align: usize) {
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unsafe {
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HITS += 1;
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free(ptr as *mut _)
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}
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}
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#[no_mangle]
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pub extern fn __rust_reallocate(ptr: *mut u8, old_size: usize, size: usize,
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align: usize) -> *mut u8 {
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unsafe {
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realloc(ptr as *mut _, size as size_t) as *mut u8
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}
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}
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#[no_mangle]
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pub extern fn __rust_reallocate_inplace(ptr: *mut u8, old_size: usize,
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size: usize, align: usize) -> usize {
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unsafe { core::intrinsics::abort() }
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}
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#[no_mangle]
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pub extern fn __rust_usable_size(size: usize, align: usize) -> usize {
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unsafe { core::intrinsics::abort() }
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}
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