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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/* $OpenBSD: varargs.h,v 1.4 2001/07/04 08:09:23 niklas Exp $ */
/* This file has local changes by MOTOROLA
Thu Sep 9 09:06:29 CDT 1993 Dale Rahn (drahn@pacific)
* (gstdarg.h, gvarargs.h) C-Front requires all builtins to
be defined. This is to insert these definitions if
__cplusplus is defined but not using the G++ compiler.
*/
#ifndef __GNUC__
/* Use the system's macros with the system's compiler. */
#include <varargs.h>
#else
/* Record that this is varargs.h; this turns off stdarg.h. */
#ifndef _VARARGS_H
#define _VARARGS_H
#ifdef __sparc__
#include <va-sparc.h>
#else
#ifdef __spur__
#include <va-spur.h>
#else
#ifdef __mips__
#include <va-mips.h>
#else
#ifdef __i860__
#include <va-i860.h>
#else
#ifdef __pyr__
#include <va-pyr.h>
#else
#ifdef __clipper__
#include <va-clipper.h>
#else
#ifdef __m88k__
#include <machine/va-m88k.h>
#else
#if defined(__hppa__) || defined(hp800)
#include <va-pa.h>
#else
#ifdef __i960__
#include <va-i960.h>
#else
#ifdef __alpha__
#include <va-alpha.h>
#else
#ifdef __NeXT__
/* On Next, erase any vestiges of stdarg.h. */
#ifdef _ANSI_STDARG_H_
#define _VA_LIST_
#endif
#define _ANSI_STDARG_H_
#undef va_alist
#undef va_dcl
#undef va_list
#undef va_start
#undef va_end
#undef __va_rounded_size
#undef va_arg
#endif /* __NeXT__ */
/* In GCC version 2, we want an ellipsis at the end of the declaration
of the argument list. GCC version 1 can't parse it. */
#if __GNUC__ > 1
#define __va_ellipsis ...
#else
#define __va_ellipsis
#endif
/* These macros implement traditional (non-ANSI) varargs
for GNU C. */
#define va_alist __builtin_va_alist
/* The ... causes current_function_varargs to be set in cc1. */
#define va_dcl int __builtin_va_alist; __va_ellipsis
/* Define __gnuc_va_list, just as in gstdarg.h. */
#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST
#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX)
typedef char *__gnuc_va_list;
#else
typedef void *__gnuc_va_list;
#endif
#endif
#define va_start(AP) AP=(char *) &__builtin_va_alist
#define va_end(AP)
#define __va_rounded_size(TYPE) \
(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
#if defined (__arm__) || defined (__i386__) || defined (__ns32000__) || defined (__vax__)
/* This is for little-endian machines; small args are padded upward. */
#define va_arg(AP, TYPE) \
(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
*((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE))))
#else /* big-endian */
/* This is for big-endian machines; small args are padded downward. */
#define va_arg(AP, TYPE) \
(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
*((TYPE *) (void *) ((char *) (AP) - ((sizeof (TYPE) < 4 \
? sizeof (TYPE) \
: __va_rounded_size (TYPE))))))
#endif /* big-endian */
#endif /* not alpha */
#endif /* not i960 */
#endif /* not hppa */
#endif /* not m88k */
#endif /* not clipper */
#endif /* not pyr */
#endif /* not i860 */
#endif /* not mips */
#endif /* not spur */
#endif /* not sparc */
#endif /* not _VARARGS_H */
/* Define va_list from __gnuc_va_list. */
#ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */
#undef _VA_LIST
#endif
#ifdef __svr4__
/* SVR4.2 uses _VA_LIST for an internal alias for va_list,
so we must avoid testing it and setting it here.
SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
have no conflict with that. */
#ifndef _VA_LIST_
#define _VA_LIST_
#ifdef __i860__
#ifndef _VA_LIST
#define _VA_LIST va_list
#endif
#endif /* __i860__ */
typedef __gnuc_va_list va_list;
#endif /* _VA_LIST_ */
#else /* not __svr4__ */
/* The macro _VA_LIST_ is the same thing used by this file in Ultrix.
But on BSD NET2 we must not test or define or undef it.
(Note that the comments in NET 2's ansi.h
are incorrect for _VA_LIST_--see stdio.h!) */
#if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____)
/* The macro _VA_LIST is used in SCO Unix 3.2. */
#ifndef _VA_LIST
/* The macro _VA_LIST_T_H is used in the Bull dpx2 */
#ifndef _VA_LIST_T_H
#define _VA_LIST_T_H
#if !(defined (__BSD_NET2__) || defined (____386BSD____))
#define _VA_LIST_
#endif
#define _VA_LIST
typedef __gnuc_va_list va_list;
#endif /* not _VA_LIST_T_H */
#endif /* not _VA_LIST */
#endif /* not _VA_LIST_ */
#endif /* not __svr4__ */
/* took this one out Nivas */
/* The next BSD release (if there is one) wants this symbol to be
undefined instead of _VA_LIST_. */
#ifdef _BSD_VA_LIST_
#undef _BSD_VA_LIST_
#define _BSD_VA_LIST_ __gnuc_va_list
#endif /* _BSD_VA_LIST_ */
#if defined(__cplusplus) && !defined(__GNUG__)
/* This is added to work with AT&T C++. */
extern "C" {
char *__builtin_next_arg(void);
__gnuc_va_list *__builtin_saveregs(void);
void *__builtin_saveregs2(int);
int *__builtin_argptr(void);
int __builtin_argsize(void);
int __builtin_classify_type(...);
int __alignof__(...);
}
#endif
#endif /* __GNUC__ */
|
