blob: 71d451f76dbd24621ed881fb907f451066f455d7 (
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
|
/*
* Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/StdLibExtraDetails.h>
#include <AK/Types.h>
namespace AK {
struct ByteReader {
template<typename T>
requires(IsTriviallyCopyable<T>) static void store(u8* addr, T value)
{
__builtin_memcpy(addr, &value, sizeof(T));
}
template<typename T>
requires(IsTriviallyConstructible<T>) static void load(const u8* addr, T& value)
{
__builtin_memcpy(&value, addr, sizeof(T));
}
template<typename T>
static T* load_pointer(const u8* address)
{
FlatPtr value;
load<FlatPtr>(address, value);
return reinterpret_cast<T*>(value);
}
static u16 load16(const u8* address)
{
u16 value;
load(address, value);
return value;
}
static u32 load32(const u8* address)
{
u32 value;
load(address, value);
return value;
}
static u64 load64(const u8* address)
{
u64 value;
load(address, value);
return value;
}
};
}
using AK::ByteReader;
|
