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