summaryrefslogtreecommitdiff
path: root/AK/kmalloc.cpp
blob: cba00d3607819c308e0859c245b6f324bcc34473 (plain)
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
60
61
62
/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * Copyright (c) 2021, Daniel Bertalan <dani@danielbertalan.dev>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#if defined(__serenity__) && !defined(KERNEL)

#    include <AK/Assertions.h>
#    include <AK/kmalloc.h>

// However deceptively simple these functions look, they must not be inlined.
// Memory allocated in one translation unit has to be deallocatable in another
// translation unit, so these functions must be the same everywhere.
// By making these functions global, this invariant is enforced.

void* operator new(size_t size)
{
    void* ptr = malloc(size);
    VERIFY(ptr);
    return ptr;
}

void* operator new(size_t size, std::nothrow_t const&) noexcept
{
    return malloc(size);
}

void operator delete(void* ptr) noexcept
{
    return free(ptr);
}

void operator delete(void* ptr, size_t) noexcept
{
    return free(ptr);
}

void* operator new[](size_t size)
{
    void* ptr = malloc(size);
    VERIFY(ptr);
    return ptr;
}

void* operator new[](size_t size, std::nothrow_t const&) noexcept
{
    return malloc(size);
}

void operator delete[](void* ptr) noexcept
{
    return free(ptr);
}

void operator delete[](void* ptr, size_t) noexcept
{
    return free(ptr);
}

#endif