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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
/* $OpenBSD: stdarg.h,v 1.5 2006/01/06 18:53:05 millert Exp $ */
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)stdarg.h 8.1 (Berkeley) 6/10/93
*/
#ifndef _MIPS_STDARG_H_
#define _MIPS_STDARG_H_
#include <sys/cdefs.h>
#include <machine/_types.h>
typedef __va_list va_list;
#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST
#if defined (__mips_eabi) && ! defined (__mips_soft_float) && ! defined (__mips_single_float)
typedef struct {
/* Pointer to FP regs. */
char *__fp_regs;
/* Number of FP regs remaining. */
int __fp_left;
/* Pointer to GP regs followed by stack parameters. */
char *__gp_regs;
} __gnuc_va_list;
#else /* ! (defined (__mips_eabi) && ! defined (__mips_soft_float) && ! defined (__mips_single_float)) */
typedef char * __gnuc_va_list;
#endif /* ! (defined (__mips_eabi) && ! defined (__mips_soft_float) && ! defined (__mips_single_float)) */
#endif /* not __GNUC_VA_LIST */
/* If this is for internal libc use, don't define anything but __gnuc_va_list */
#ifndef _VA_MIPS_H_ENUM
#define _VA_MIPS_H_ENUM
enum {
__no_type_class = -1,
__void_type_class,
__integer_type_class,
__char_type_class,
__enumeral_type_class,
__boolean_type_class,
__pointer_type_class,
__reference_type_class,
__offset_type_class,
__real_type_class,
__complex_type_class,
__function_type_class,
__method_type_class,
__record_type_class,
__union_type_class,
__array_type_class,
__string_type_class,
__set_type_class,
__file_type_class,
__lang_type_class
};
#endif
#define __va_ellipsis ...
#ifdef __mips64
#define __va_rounded_size(__TYPE) \
(((sizeof (__TYPE) + 8 - 1) / 8) * 8)
#else
#define __va_rounded_size(__TYPE) \
(((sizeof (__TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
#endif
#ifdef __mips64
#define __va_reg_size 8
#else
#define __va_reg_size 4
#endif
#if defined (__mips_eabi)
#if ! defined (__mips_soft_float) && ! defined (__mips_single_float)
#ifdef __mips64
#define va_start(__AP, __LASTARG) \
(__AP.__gp_regs = ((char *) __builtin_next_arg (__LASTARG) \
- (__builtin_args_info (2) < 8 \
? (8 - __builtin_args_info (2)) * __va_reg_size \
: 0)), \
__AP.__fp_left = 8 - __builtin_args_info (3), \
__AP.__fp_regs = __AP.__gp_regs - __AP.__fp_left * __va_reg_size)
#else /* ! defined (__mips64) */
#define va_start(__AP, __LASTARG) \
(__AP.__gp_regs = ((char *) __builtin_next_arg (__LASTARG) \
- (__builtin_args_info (2) < 8 \
? (8 - __builtin_args_info (2)) * __va_reg_size \
: 0)), \
__AP.__fp_left = (8 - __builtin_args_info (3)) / 2, \
__AP.__fp_regs = __AP.__gp_regs - __AP.__fp_left * 8, \
__AP.__fp_regs = (char *) ((int) __AP.__fp_regs & -8))
#endif /* ! defined (__mips64) */
#else /* ! (! defined (__mips_soft_float) && ! defined (__mips_single_float) ) */
#define va_start(__AP, __LASTARG) \
(__AP = ((__gnuc_va_list) __builtin_next_arg (__LASTARG) \
- (__builtin_args_info (2) >= 8 ? 0 \
: (8 - __builtin_args_info (2)) * __va_reg_size)))
#endif /* ! (! defined (__mips_soft_float) && ! defined (__mips_single_float) ) */
#else /* ! defined (__mips_eabi) */
#define va_start(__AP, __LASTARG) \
(__AP = (__gnuc_va_list) __builtin_next_arg (__LASTARG))
#endif /* ! (defined (__mips_eabi) && ! defined (__mips_soft_float) && ! defined (__mips_single_float)) */
#ifndef va_end
void va_end (__gnuc_va_list); /* Defined in libgcc.a */
#endif
#define va_end(__AP)
#if defined (__mips_eabi)
#if ! defined (__mips_soft_float) && ! defined (__mips_single_float)
#ifdef __mips64
#define __va_next_addr(__AP, __type) \
((__builtin_classify_type (*(__type *) 0) == __real_type_class \
&& __AP.__fp_left > 0) \
? (--__AP.__fp_left, (__AP.__fp_regs += 8) - 8) \
: (__AP.__gp_regs += __va_reg_size) - __va_reg_size)
#else
#define __va_next_addr(__AP, __type) \
((__builtin_classify_type (*(__type *) 0) == __real_type_class \
&& __AP.__fp_left > 0) \
? (--__AP.__fp_left, (__AP.__fp_regs += 8) - 8) \
: (((__builtin_classify_type (* (__type *) 0) < __record_type_class \
&& __alignof__ (__type) > 4) \
? __AP.__gp_regs = (char *) (((int) __AP.__gp_regs + 8 - 1) & -8) \
: (char *) 0), \
(__builtin_classify_type (* (__type *) 0) >= __record_type_class \
? (__AP.__gp_regs += __va_reg_size) - __va_reg_size \
: ((__AP.__gp_regs += __va_rounded_size (__type)) \
- __va_rounded_size (__type)))))
#endif
#else /* ! (! defined (__mips_soft_float) && ! defined (__mips_single_float)) */
#ifdef __mips64
#define __va_next_addr(__AP, __type) \
((__AP += __va_reg_size) - __va_reg_size)
#else
#define __va_next_addr(__AP, __type) \
(((__builtin_classify_type (* (__type *) 0) < __record_type_class \
&& __alignof__ (__type) > 4) \
? __AP = (char *) (((__PTRDIFF_TYPE__) __AP + 8 - 1) & -8) \
: (char *) 0), \
(__builtin_classify_type (* (__type *) 0) >= __record_type_class \
? (__AP += __va_reg_size) - __va_reg_size \
: ((__AP += __va_rounded_size (__type)) \
- __va_rounded_size (__type))))
#endif
#endif /* ! (! defined (__mips_soft_float) && ! defined (__mips_single_float)) */
#ifdef __MIPSEB__
#define va_arg(__AP, __type) \
((__va_rounded_size (__type) <= __va_reg_size) \
? *(__type *) (void *) (__va_next_addr (__AP, __type) \
+ __va_reg_size \
- sizeof (__type)) \
: (__builtin_classify_type (*(__type *) 0) >= __record_type_class \
? **(__type **) (void *) (__va_next_addr (__AP, __type) \
+ __va_reg_size \
- sizeof (char *)) \
: *(__type *) (void *) __va_next_addr (__AP, __type)))
#else
#define va_arg(__AP, __type) \
((__va_rounded_size (__type) <= __va_reg_size) \
? *(__type *) (void *) __va_next_addr (__AP, __type) \
: (__builtin_classify_type (* (__type *) 0) >= __record_type_class \
? **(__type **) (void *) __va_next_addr (__AP, __type) \
: *(__type *) (void *) __va_next_addr (__AP, __type)))
#endif
#else /* ! defined (__mips_eabi) */
/* We cast to void * and then to TYPE * because this avoids
a warning about increasing the alignment requirement. */
/* The __mips64 cases are reversed from the 32 bit cases, because the standard
32 bit calling convention left-aligns all parameters smaller than a word,
whereas the __mips64 calling convention does not (and hence they are
right aligned). */
#ifdef __mips64
#ifdef __MIPSEB__
#define va_arg(__AP, __type) \
((__type *) (void *) (__AP = (char *) \
((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \
+ __va_rounded_size (__type))))[-1]
#else
#define va_arg(__AP, __type) \
((__AP = (char *) ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \
+ __va_rounded_size (__type))), \
*(__type *) (void *) (__AP - __va_rounded_size (__type)))
#endif
#else /* not __mips64 */
#ifdef __MIPSEB__
/* For big-endian machines. */
#define va_arg(__AP, __type) \
((__AP = (char *) ((__alignof__ (__type) > 4 \
? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8 \
: ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4) \
+ __va_rounded_size (__type))), \
*(__type *) (void *) (__AP - __va_rounded_size (__type)))
#else
/* For little-endian machines. */
#define va_arg(__AP, __type) \
((__type *) (void *) (__AP = (char *) ((__alignof__(__type) > 4 \
? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8 \
: ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4) \
+ __va_rounded_size(__type))))[-1]
#endif
#endif
#endif /* ! defined (__mips_eabi) */
/* Copy __gnuc_va_list into another variable of this type. */
#define __va_copy(dest, src) (dest) = (src)
#if __ISO_C_VISIBLE >= 1999
#define va_copy __va_copy
#endif
#endif /* !_MIPS_STDARG_H_ */
|
