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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 | |||
1769 | jermar | 29 | /** @addtogroup mips32 |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
1888 | jermar | 35 | #ifndef KERN_mips32_ARG_H_ |
36 | #define KERN_mips32_ARG_H_ |
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40 | jermar | 37 | |
425 | cejka | 38 | #include <arch/types.h> |
39 | |||
40 | /** |
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426 | jermar | 41 | * va_arg macro for MIPS32 - problem is that 64 bit values must be aligned on an 8-byte boundary (32bit values not) |
42 | * To satisfy this, paddings must be sometimes inserted. |
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43 | */ |
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425 | cejka | 44 | |
1780 | jermar | 45 | typedef uintptr_t va_list; |
425 | cejka | 46 | |
1054 | cejka | 47 | #define va_start(ap, lst) \ |
48 | ((ap) = (va_list)&(lst) + sizeof(lst)) |
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425 | cejka | 49 | |
1054 | cejka | 50 | #define va_arg(ap, type) \ |
1780 | jermar | 51 | (((type *)((ap) = (va_list)( (sizeof(type) <= 4) ? ((uintptr_t)((ap) + 2*4 - 1) & (~3)) : ((uintptr_t)((ap) + 2*8 -1) & (~7)) )))[-1]) |
425 | cejka | 52 | |
1595 | palkovsky | 53 | #define va_copy(dst,src) ((dst)=(src)) |
54 | |||
1054 | cejka | 55 | #define va_end(ap) |
56 | |||
40 | jermar | 57 | #endif |
1702 | cejka | 58 | |
1769 | jermar | 59 | /** @} |
1702 | cejka | 60 | */ |