crabc 0.7.8

A Rust musl-compatible libc with a dynamic linker
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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137

/* Copyright (c) 2026 Meng Zhuo */
/* SPDX-License-Identifier: BSD-3-Clause */

#ifndef _SYS_MMAN_H
#define _SYS_MMAN_H

#ifdef __cplusplus
extern "C" {
#endif

#include <features.h>
#include <stddef.h>
#include <sys/types.h>

#define MAP_FAILED ((void *) -1)

#define MAP_SHARED     0x01
#define MAP_PRIVATE    0x02
#define MAP_SHARED_VALIDATE 0x03
#define MAP_TYPE       0x0f
#define MAP_FIXED      0x10
#define MAP_ANON       0x20
#define MAP_ANONYMOUS  MAP_ANON
#define MAP_NORESERVE  0x4000
#define MAP_GROWSDOWN  0x0100
#define MAP_DENYWRITE  0x0800
#define MAP_EXECUTABLE 0x1000
#define MAP_LOCKED     0x2000
#define MAP_POPULATE   0x8000
#define MAP_NONBLOCK   0x10000
#define MAP_STACK      0x20000
#define MAP_HUGETLB    0x40000
#define MAP_SYNC       0x80000
#define MAP_FIXED_NOREPLACE 0x100000
#define MAP_FILE       0
#define MAP_32BIT      0x40

#define PROT_NONE      0
#define PROT_READ      1
#define PROT_WRITE     2
#define PROT_EXEC      4
#define PROT_GROWSDOWN 0x01000000
#define PROT_GROWSUP   0x02000000

#define MS_ASYNC       1
#define MS_INVALIDATE  2
#define MS_SYNC        4

#define MCL_CURRENT    1
#define MCL_FUTURE     2
#define MCL_ONFAULT    4

#define POSIX_MADV_NORMAL     0
#define POSIX_MADV_RANDOM     1
#define POSIX_MADV_SEQUENTIAL 2
#define POSIX_MADV_WILLNEED   3
#define POSIX_MADV_DONTNEED   4

void *mmap(void *, size_t, int, int, int, off_t);
int munmap(void *, size_t);
void *mremap(void *, size_t, size_t, int, ...);

int mprotect(void *, size_t, int);
int msync(void *, size_t, int);

int posix_madvise(void *, size_t, int);

int mlock(const void *, size_t);
int munlock(const void *, size_t);
int mlockall(int);
int munlockall(void);

int shm_open(const char *, int, mode_t);
int shm_unlink(const char *);

#ifdef __cplusplus
}
#endif


/* musl 1.2.6 compatibility macros */
#define MADV_COLD 20
#define MADV_COLLAPSE 25
#define MADV_DODUMP 17
#define MADV_DOFORK 11
#define MADV_DONTDUMP 16
#define MADV_DONTFORK 10
#define MADV_DONTNEED 4
#define MADV_DONTNEED_LOCKED 24
#define MADV_FREE 8
#define MADV_HUGEPAGE 14
#define MADV_HWPOISON 100
#define MADV_KEEPONFORK 19
#define MADV_MERGEABLE 12
#define MADV_NOHUGEPAGE 15
#define MADV_NORMAL 0
#define MADV_PAGEOUT 21
#define MADV_POPULATE_READ 22
#define MADV_POPULATE_WRITE 23
#define MADV_RANDOM 1
#define MADV_REMOVE 9
#define MADV_SEQUENTIAL 2
#define MADV_SOFT_OFFLINE 101
#define MADV_UNMERGEABLE 13
#define MADV_WILLNEED 3
#define MADV_WIPEONFORK 18
#define MAP_HUGE_16GB (34U << 26)
#define MAP_HUGE_16KB (14 << 26)
#define MAP_HUGE_16MB (24 << 26)
#define MAP_HUGE_1GB (30 << 26)
#define MAP_HUGE_1MB (20 << 26)
#define MAP_HUGE_256MB (28 << 26)
#define MAP_HUGE_2GB (31 << 26)
#define MAP_HUGE_2MB (21 << 26)
#define MAP_HUGE_32MB (25 << 26)
#define MAP_HUGE_512KB (19 << 26)
#define MAP_HUGE_512MB (29 << 26)
#define MAP_HUGE_64KB (16 << 26)
#define MAP_HUGE_8MB (23 << 26)
#define MAP_HUGE_MASK 0x3f
#define MAP_HUGE_SHIFT 26
#define MFD_ALLOW_SEALING 0x0002U
#define MFD_CLOEXEC 0x0001U
#define MFD_HUGETLB 0x0004U
#define MLOCK_ONFAULT 0x01
#define MREMAP_DONTUNMAP 4
#define MREMAP_FIXED 2
#define MREMAP_MAYMOVE 1

/* musl 1.2.6 architecture macros */
#ifdef __aarch64__
#define PROT_BTI 0x10
#define PROT_MTE 0x20
#endif

/* musl 1.2.6 per-header compatibility macros */
#endif