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
|
#ifndef _STDARG_H
#define _STDARG_H
#ifdef __GNUC__
#define va_list __builtin_va_list
#define va_arg __builtin_va_arg
#define va_start __builtin_va_start
#define va_end __builtin_va_end
#define va_copy __builtin_va_copy
#else
#ifdef __x86_64__
#ifndef _WIN64
//This should be in sync with the declaration on our lib/libtcc1.c
/* GCC compatible definition of va_list. */
typedef struct {
unsigned int gp_offset;
unsigned int fp_offset;
union {
unsigned int overflow_offset;
char *overflow_arg_area;
};
char *reg_save_area;
} __va_list_struct;
typedef __va_list_struct va_list[1];
void __va_start(__va_list_struct *ap, void *fp);
void *__va_arg(__va_list_struct *ap, int arg_type, int size, int align);
#define va_start(ap, last) __va_start(ap, __builtin_frame_address(0))
#define va_arg(ap, type) \
(*(type *)(__va_arg(ap, __builtin_va_arg_types(type), sizeof(type), __alignof__(type))))
#define va_copy(dest, src) (*(dest) = *(src))
#define va_end(ap)
/* avoid conflicting definition for va_list on Macs. */
#define _VA_LIST_T
#else /* _WIN64 */
typedef char *va_list;
#define va_start(ap,last) __builtin_va_start(ap,last)
#define va_arg(ap, t) ((sizeof(t) > 8 || (sizeof(t) & (sizeof(t) - 1))) \
? **(t **)((ap += 8) - 8) : *(t *)((ap += 8) - 8))
#define va_copy(dest, src) ((dest) = (src))
#define va_end(ap)
#endif
#elif __arm__
typedef char *va_list;
#define _tcc_alignof(type) ((int)&((struct {char c;type x;} *)0)->x)
#define _tcc_align(addr,type) (((unsigned)addr + _tcc_alignof(type) - 1) \
& ~(_tcc_alignof(type) - 1))
#define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)
#define va_arg(ap,type) (ap = (void *) ((_tcc_align(ap,type)+sizeof(type)+3) \
&~3), *(type *)(ap - ((sizeof(type)+3)&~3)))
#define va_copy(dest, src) (dest) = (src)
#define va_end(ap)
#elif defined(__aarch64__)
typedef struct {
void *__stack;
void *__gr_top;
void *__vr_top;
int __gr_offs;
int __vr_offs;
} va_list;
#define va_start(ap, last) __va_start(ap, last)
#define va_arg(ap, type) __va_arg(ap, type)
#define va_end(ap)
#define va_copy(dest, src) ((dest) = (src))
#else /* __i386__ */
typedef char *va_list;
/* only correct for i386 */
#define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)
#define va_arg(ap,type) (ap += (sizeof(type)+3)&~3, *(type *)(ap - ((sizeof(type)+3)&~3)))
#define va_copy(dest, src) (dest) = (src)
#define va_end(ap)
#endif
/* fix a buggy dependency on GCC in libio.h */
typedef va_list __gnuc_va_list;
#define _VA_LIST_DEFINED
#endif
#endif /* _STDARG_H */
|
