Subversion Repositories HelenOS

Rev

Rev 2071 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
40 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Jakub Jermar
40 jermar 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
1819 decky 29
/** @addtogroup generic
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
40 jermar 34
 
35
/*
41 jermar 36
 * Variable argument list manipulation macros
40 jermar 37
 * for architectures using stack to pass arguments.
38
 */
39
 
1888 jermar 40
#ifndef KERN_STACKARG_H_
41
#define KERN_STACKARG_H_
40 jermar 42
 
43
#include <arch/types.h>
44
 
45
typedef struct va_list {
46
    int pos;
1780 jermar 47
    uint8_t *last;
40 jermar 48
} va_list;
49
 
50
#define va_start(ap, lst)       \
181 cejka 51
    (ap).pos = sizeof(lst);             \
1780 jermar 52
    (ap).last = (uint8_t *) &(lst)
40 jermar 53
 
54
#define va_arg(ap, type)        \
181 cejka 55
    (*((type *)((ap).last + ((ap).pos  += sizeof(type) ) - sizeof(type))))
40 jermar 56
 
1595 palkovsky 57
#define va_copy(dst,src)       dst=src
40 jermar 58
#define va_end(ap)
59
 
125 jermar 60
 
40 jermar 61
#endif
1702 cejka 62
 
1819 decky 63
/** @}
1702 cejka 64
 */