Rev 2071 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
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| 1010 | cejka | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2006 Josef Cejka |
| 1010 | cejka | 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 | |||
| 1866 | jermar | 29 | /** @addtogroup libcmips32 |
| 1656 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 1657 | cejka | 33 | * @ingroup libcmips32eb |
| 1656 | cejka | 34 | */ |
| 35 | |||
| 1866 | jermar | 36 | #ifndef LIBC_mips32_STACKARG_H_ |
| 37 | #define LIBC_mips32_STACKARG_H_ |
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| 1010 | cejka | 38 | |
| 39 | /* dont allow to define it second time in stdarg.h */ |
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| 40 | #define __VARARGS_DEFINED |
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| 41 | |||
| 42 | #include <types.h> |
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| 43 | |||
| 44 | /** |
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| 45 | * 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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| 46 | * To satisfy this, paddings must be sometimes inserted. |
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| 47 | */ |
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| 48 | |||
| 1049 | cejka | 49 | typedef uint8_t* va_list; |
| 1010 | cejka | 50 | |
| 1049 | cejka | 51 | #define va_start(ap, lst) \ |
| 52 | ((ap) = (va_list)&(lst) + sizeof(lst)) |
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| 1010 | cejka | 53 | |
| 1049 | cejka | 54 | #define va_arg(ap, type) \ |
| 55 | (((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 | 56 | |
| 1049 | cejka | 57 | #define va_end(ap) |
| 58 | |||
| 1010 | cejka | 59 | #endif |
| 1656 | cejka | 60 | |
| 1866 | jermar | 61 | /** @} |
| 1656 | cejka | 62 | */ |