1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
// no-prefer-dynamic
#![feature(allocator, core_intrinsics, panic_unwind)]
#![allocator]
#![crate_type = "rlib"]
#![no_std]
extern crate unwind;
pub static mut HITS: usize = 0;
type size_t = usize;
extern {
fn malloc(size: usize) -> *mut u8;
fn free(ptr: *mut u8);
fn calloc(size: usize, amt: usize) -> *mut u8;
fn realloc(ptr: *mut u8, size: usize) -> *mut u8;
}
#[no_mangle]
pub extern fn __rust_allocate(size: usize, align: usize) -> *mut u8 {
unsafe {
HITS += 1;
malloc(size as size_t) as *mut u8
}
}
#[no_mangle]
pub extern fn __rust_allocate_zeroed(size: usize, _align: usize) -> *mut u8 {
unsafe { calloc(size as size_t, 1) as *mut u8 }
}
#[no_mangle]
pub extern fn __rust_deallocate(ptr: *mut u8, old_size: usize, align: usize) {
unsafe {
HITS += 1;
free(ptr as *mut _)
}
}
#[no_mangle]
pub extern fn __rust_reallocate(ptr: *mut u8, old_size: usize, size: usize,
align: usize) -> *mut u8 {
unsafe {
realloc(ptr as *mut _, size as size_t) as *mut u8
}
}
#[no_mangle]
pub extern fn __rust_reallocate_inplace(ptr: *mut u8, old_size: usize,
size: usize, align: usize) -> usize {
unsafe { core::intrinsics::abort() }
}
#[no_mangle]
pub extern fn __rust_usable_size(size: usize, align: usize) -> usize {
unsafe { core::intrinsics::abort() }
}
|