rabbitizer 1.9.0

MIPS instruction decoder
Documentation 
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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78

/* SPDX-FileCopyrightText: © 2022-2024 Decompollaborate */
/* SPDX-License-Identifier: MIT */

#include "common/Utils.h"

#include <stdbool.h>
#include <string.h>

int32_t RabbitizerUtils_From2Complement(uint32_t number, int bits) {
    bool isNegative = number & (1ULL << (bits - 1));

    if (isNegative) {
        return -((~number + 1) & ((1ULL << bits) - 1));
    }

    return number;
}

size_t RabbitizerUtils_CharFill(char *dst, int count, char fillchar) {
    if (count <= 0) {
        return 0;
    }

    memset(dst, fillchar, count);

    return count;
}

size_t RabbitizerUtils_escapeString(char *dst, size_t dstSize, const char *src, size_t srcSize) {
    size_t srcPos = 0;
    size_t dstpos = 0;

    for (; srcPos < srcSize && dstpos < dstSize; srcPos++, src++) {
        // The cases of this switch are sorted by ASCII order
        switch (*src) {
            case '\a':
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, '\\');
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, 'a');
                break;

            case '\t':
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, '\\');
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, 't');
                break;

            case '\n':
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, '\\');
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, 'n');
                break;

            case '\f':
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, '\\');
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, 'f');
                break;

            case '\r':
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, '\\');
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, 'r');
                break;

            case '"':
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, '\\');
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, '"');
                break;

            case '\\':
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, '\\');
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, '\\');
                break;

            default:
                RABUTILS_BUFFER_WRITE_CHAR(dst, dstpos, *src);
                break;
        }
    }

    return dstpos;
}