crabc 0.1.0

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

#ifndef _FENV_H
#define _FENV_H

#ifdef __cplusplus
extern "C" {
#endif

#ifdef __aarch64__
#define FE_INVALID    1
#define FE_DIVBYZERO  2
#define FE_OVERFLOW   4
#define FE_UNDERFLOW  8
#define FE_INEXACT    16
#define FE_ALL_EXCEPT 31

#define FE_TONEAREST  0
#define FE_DOWNWARD   0x800000
#define FE_UPWARD     0x400000
#define FE_TOWARDZERO 0xc00000

typedef unsigned int fexcept_t;

typedef struct {
	unsigned int __fpcr;
	unsigned int __fpsr;
} fenv_t;
#else
#define FE_INVALID    1
#define __FE_DENORM   2
#define FE_DIVBYZERO  4
#define FE_OVERFLOW   8
#define FE_UNDERFLOW  16
#define FE_INEXACT    32

#define FE_ALL_EXCEPT 63

#define FE_TONEAREST  0
#define FE_DOWNWARD   0x400
#define FE_UPWARD     0x800
#define FE_TOWARDZERO 0xc00

typedef unsigned short fexcept_t;

typedef struct {
	unsigned short __control_word;
	unsigned short __unused1;
	unsigned short __status_word;
	unsigned short __unused2;
	unsigned short __tags;
	unsigned short __unused3;
	unsigned int __eip;
	unsigned short __cs_selector;
	unsigned int __opcode:11;
	unsigned int __unused4:5;
	unsigned int __data_offset;
	unsigned short __data_selector;
	unsigned short __unused5;
	unsigned int __mxcsr;
} fenv_t;
#endif

#define FE_DFL_ENV      ((const fenv_t *) -1)

int feclearexcept(int);
int fegetexceptflag(fexcept_t *, int);
int feraiseexcept(int);
int fesetexceptflag(const fexcept_t *, int);
int fetestexcept(int);

int fegetround(void);
int fesetround(int);

int fegetenv(fenv_t *);
int feholdexcept(fenv_t *);
int fesetenv(const fenv_t *);
int feupdateenv(const fenv_t *);

#ifdef __cplusplus
}
#endif
#endif