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| Rev | Author | Line No. | Line |
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| 1010 | cejka | 1 | /* |
| 2 | * Copyright (C) 2006 Josef Cejka |
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| 3 | * All rights reserved. |
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| 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 | |||
| 29 | #ifndef __LIBC_mips32_STACKARG_H__ |
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| 30 | #define __LIBC_mips32_STACKARG_H__ |
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| 31 | |||
| 32 | /* dont allow to define it second time in stdarg.h */ |
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| 33 | #define __VARARGS_DEFINED |
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| 34 | |||
| 35 | #include <types.h> |
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| 36 | |||
| 37 | /** |
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| 38 | * va_arg macro for MIPS32 - problem is that 64 bit values must be aligned on an 8-byte boundary (32bit values not) |
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| 39 | * To satisfy this, paddings must be sometimes inserted. |
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| 40 | */ |
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| 41 | |||
| 1049 | cejka | 42 | typedef uint8_t* va_list; |
| 1010 | cejka | 43 | |
| 1049 | cejka | 44 | #define va_start(ap, lst) \ |
| 45 | ((ap) = (va_list)&(lst) + sizeof(lst)) |
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| 1010 | cejka | 46 | |
| 1049 | cejka | 47 | #define va_arg(ap, type) \ |
| 48 | (((type *)((ap) = (va_list)( (sizeof(type) <= 4) ? ((uint32_t)((ap) + 2*4 - 1) & (~3)) : ((uint32_t)((ap) + 2*8 -1) & (~7)) )))[-1]) |
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| 1010 | cejka | 49 | |
| 1049 | cejka | 50 | #define va_end(ap) |
| 51 | |||
| 1010 | cejka | 52 | #endif |