0,0 → 1,57 |
/* |
* Copyright (C) 2006 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
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#ifndef __LIBC_mips32_STACKARG_H__ |
#define __LIBC_mips32_STACKARG_H__ |
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/* dont allow to define it second time in stdarg.h */ |
#define __VARARGS_DEFINED |
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#include <types.h> |
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typedef struct va_list { |
int pos; |
uint8_t *last; |
} va_list; |
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#define va_start(ap, lst) \ |
(ap).pos = sizeof(lst); \ |
(ap).last = (uint8_t *) &(lst) |
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/** |
* va_arg macro for MIPS32 - problem is that 64 bit values must be aligned on an 8-byte boundary (32bit values not) |
* To satisfy this, paddings must be sometimes inserted. |
*/ |
#define va_arg(ap, type) \ |
(*((type *)((ap).last + ((ap).pos += sizeof(type) + ((sizeof(type) == 8) && (((ap).pos)&4) ? 4 : 0)) - sizeof(type)))) |
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#define va_end(ap) |
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#endif |