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9bf86ebb PR |
1 | #ifndef __GNUC__ |
2 | /* Use the system's macros with the system's compiler. */ | |
3 | #include <varargs.h> | |
4 | #else | |
5 | /* Record that this is varargs.h; this turns off stdarg.h. */ | |
6 | ||
7 | #ifndef _VARARGS_H | |
8 | #define _VARARGS_H | |
9 | ||
10 | #ifdef __sparc__ | |
11 | #include <va-sparc.h> | |
12 | #else | |
13 | #ifdef __spur__ | |
14 | #include <va-spur.h> | |
15 | #else | |
16 | #ifdef __mips__ | |
17 | #include <va-mips.h> | |
18 | #else | |
19 | #ifdef __i860__ | |
20 | #include <va-i860.h> | |
21 | #else | |
22 | #ifdef __pyr__ | |
23 | #include <va-pyr.h> | |
24 | #else | |
25 | #ifdef __clipper__ | |
26 | #include <va-clipper.h> | |
27 | #else | |
28 | #ifdef __m88k__ | |
29 | #include <va-m88k.h> | |
30 | #else | |
31 | #if defined(__hppa__) || defined(hp800) | |
32 | #include <va-pa.h> | |
33 | #else | |
34 | #ifdef __i960__ | |
35 | #include <va-i960.h> | |
36 | #else | |
37 | #ifdef __alpha__ | |
38 | #include <va-alpha.h> | |
39 | #else | |
40 | ||
41 | #ifdef __NeXT__ | |
42 | ||
43 | /* On Next, erase any vestiges of stdarg.h. */ | |
44 | ||
45 | #ifdef _ANSI_STDARG_H_ | |
46 | #define _VA_LIST_ | |
47 | #endif | |
48 | #define _ANSI_STDARG_H_ | |
49 | ||
50 | #undef va_alist | |
51 | #undef va_dcl | |
52 | #undef va_list | |
53 | #undef va_start | |
54 | #undef va_end | |
55 | #undef __va_rounded_size | |
56 | #undef va_arg | |
57 | #endif /* __NeXT__ */ | |
58 | ||
59 | /* In GCC version 2, we want an ellipsis at the end of the declaration | |
60 | of the argument list. GCC version 1 can't parse it. */ | |
61 | ||
62 | #if __GNUC__ > 1 | |
63 | #define __va_ellipsis ... | |
64 | #else | |
65 | #define __va_ellipsis | |
66 | #endif | |
67 | ||
68 | /* These macros implement traditional (non-ANSI) varargs | |
69 | for GNU C. */ | |
70 | ||
71 | #define va_alist __builtin_va_alist | |
72 | /* The ... causes current_function_varargs to be set in cc1. */ | |
73 | #define va_dcl int __builtin_va_alist; __va_ellipsis | |
74 | ||
75 | /* Define __gnuc_va_list, just as in gstdarg.h. */ | |
76 | ||
77 | #ifndef __GNUC_VA_LIST | |
78 | #define __GNUC_VA_LIST | |
79 | #if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX) | |
80 | typedef char *__gnuc_va_list; | |
81 | #else | |
82 | typedef void *__gnuc_va_list; | |
83 | #endif | |
84 | #endif | |
85 | ||
86 | #define va_start(AP) AP=(char *) &__builtin_va_alist | |
87 | ||
88 | #define va_end(AP) | |
89 | ||
90 | #define __va_rounded_size(TYPE) \ | |
91 | (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) | |
92 | ||
93 | #if defined (__arm__) || defined (__i386__) || defined (__ns32000__) || defined (__vax__) | |
94 | /* This is for little-endian machines; small args are padded upward. */ | |
95 | #define va_arg(AP, TYPE) \ | |
96 | (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \ | |
97 | *((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE)))) | |
98 | #else /* big-endian */ | |
99 | /* This is for big-endian machines; small args are padded downward. */ | |
100 | #define va_arg(AP, TYPE) \ | |
101 | (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \ | |
102 | *((TYPE *) (void *) ((char *) (AP) - ((sizeof (TYPE) < 4 \ | |
103 | ? sizeof (TYPE) \ | |
104 | : __va_rounded_size (TYPE)))))) | |
105 | #endif /* big-endian */ | |
106 | ||
107 | #endif /* not alpha */ | |
108 | #endif /* not i960 */ | |
109 | #endif /* not hppa */ | |
110 | #endif /* not m88k */ | |
111 | #endif /* not clipper */ | |
112 | #endif /* not pyr */ | |
113 | #endif /* not i860 */ | |
114 | #endif /* not mips */ | |
115 | #endif /* not spur */ | |
116 | #endif /* not sparc */ | |
117 | #endif /* not _VARARGS_H */ | |
118 | ||
119 | /* Define va_list from __gnuc_va_list. */ | |
120 | ||
121 | #ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */ | |
122 | #undef _VA_LIST | |
123 | #endif | |
124 | ||
125 | #ifdef __svr4__ | |
126 | /* SVR4.2 uses _VA_LIST for an internal alias for va_list, | |
127 | so we must avoid testing it and setting it here. | |
128 | SVR4 uses _VA_LIST as a flag in stdarg.h, but we should | |
129 | have no conflict with that. */ | |
130 | #ifndef _VA_LIST_ | |
131 | #define _VA_LIST_ | |
132 | #ifdef __i860__ | |
133 | #ifndef _VA_LIST | |
134 | #define _VA_LIST va_list | |
135 | #endif | |
136 | #endif /* __i860__ */ | |
137 | typedef __gnuc_va_list va_list; | |
138 | #endif /* _VA_LIST_ */ | |
139 | ||
140 | #else /* not __svr4__ */ | |
141 | ||
142 | /* The macro _VA_LIST_ is the same thing used by this file in Ultrix. | |
143 | But on BSD NET2 we must not test or define or undef it. | |
144 | (Note that the comments in NET 2's ansi.h | |
145 | are incorrect for _VA_LIST_--see stdio.h!) */ | |
146 | #if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) | |
147 | /* The macro _VA_LIST is used in SCO Unix 3.2. */ | |
148 | #ifndef _VA_LIST | |
149 | /* The macro _VA_LIST_T_H is used in the Bull dpx2 */ | |
150 | #ifndef _VA_LIST_T_H | |
151 | #define _VA_LIST_T_H | |
152 | #if !(defined (__BSD_NET2__) || defined (____386BSD____)) | |
153 | #define _VA_LIST_ | |
154 | #endif | |
155 | #define _VA_LIST | |
156 | typedef __gnuc_va_list va_list; | |
157 | #endif /* not _VA_LIST_T_H */ | |
158 | #endif /* not _VA_LIST */ | |
159 | #endif /* not _VA_LIST_ */ | |
160 | ||
161 | #endif /* not __svr4__ */ | |
162 | ||
163 | /* The next BSD release (if there is one) wants this symbol to be | |
164 | undefined instead of _VA_LIST_. */ | |
165 | #ifdef _BSD_VA_LIST | |
166 | #undef _BSD_VA_LIST | |
167 | #endif | |
168 | ||
169 | #endif /* __GNUC__ */ |