Rev 1049 | Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1010 | cejka | 1 | /* |
| 2 | * Copyright (C) 2006 Josef Cejka |
||
| 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 | |||
| 29 | #ifndef __LIBC_mips32_STACKARG_H__ |
||
| 30 | #define __LIBC_mips32_STACKARG_H__ |
||
| 31 | |||
| 32 | /* dont allow to define it second time in stdarg.h */ |
||
| 33 | #define __VARARGS_DEFINED |
||
| 34 | |||
| 35 | #include <types.h> |
||
| 36 | |||
| 37 | typedef struct va_list { |
||
| 38 | int pos; |
||
| 39 | uint8_t *last; |
||
| 40 | } va_list; |
||
| 41 | |||
| 42 | #define va_start(ap, lst) \ |
||
| 43 | (ap).pos = sizeof(lst); \ |
||
| 44 | (ap).last = (uint8_t *) &(lst) |
||
| 45 | |||
| 46 | /** |
||
| 47 | * va_arg macro for MIPS32 - problem is that 64 bit values must be aligned on an 8-byte boundary (32bit values not) |
||
| 48 | * To satisfy this, paddings must be sometimes inserted. |
||
| 49 | */ |
||
| 50 | #define va_arg(ap, type) \ |
||
| 51 | (*((type *)((ap).last + ((ap).pos += sizeof(type) + ((sizeof(type) == 8) && (((ap).pos)&4) ? 4 : 0)) - sizeof(type)))) |
||
| 52 | |||
| 53 | #define va_end(ap) |
||
| 54 | |||
| 55 | |||
| 56 | |||
| 57 | #endif |