137 lines
4.6 KiB
C
137 lines
4.6 KiB
C
/*-
|
|
* Copyright (c) 2002 David E. O'Brien. All rights reserved.
|
|
* Copyright (c) 2000 Tsubai Masanari. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. 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.
|
|
*
|
|
* $NetBSD: stdarg.h,v 1.5 2000/02/27 17:50:21 tsubai Exp $
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _POWERPC_STDARG_H_
|
|
#define _POWERPC_STDARG_H_
|
|
|
|
#include <machine/ansi.h>
|
|
|
|
typedef _BSD_VA_LIST_ va_list;
|
|
|
|
#if defined(__GNUC__) && (__GNUC__ == 2 && __GNUC_MINOR__ > 95 || __GNUC__ >= 3)
|
|
|
|
#define va_start(ap, last) \
|
|
__builtin_stdarg_start((ap), (last))
|
|
|
|
#define va_arg(ap, type) \
|
|
__builtin_va_arg((ap), type)
|
|
|
|
#define va_end(ap) \
|
|
__builtin_va_end(ap)
|
|
|
|
#else /* ! __GNUC__ post GCC 2.95 */
|
|
|
|
#ifdef __lint__
|
|
|
|
#define va_start(ap, last) ((ap) = *(va_list *)0)
|
|
#define va_arg(ap, type) (*(type *)(void *)&(ap))
|
|
|
|
#else
|
|
|
|
#if defined(__GNUC__) && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 95)
|
|
#define va_start(ap, last) \
|
|
(__builtin_next_arg(last), \
|
|
__builtin_memcpy((void *)&(ap), __builtin_saveregs (), \
|
|
sizeof(__gnuc_va_list)))
|
|
#else
|
|
#define va_start(ap, last) \
|
|
(__builtin_next_arg(last), \
|
|
(ap).__stack = __va_stack_args, \
|
|
(ap).__base = __va_reg_args, \
|
|
(ap).__gpr = __va_first_gpr, \
|
|
(ap).__fpr = __va_first_fpr)
|
|
#endif
|
|
|
|
#define __va_first_gpr (__builtin_args_info(0))
|
|
#define __va_first_fpr (__builtin_args_info(1) - 32 - 1)
|
|
#define __va_stack_args \
|
|
((char *)__builtin_saveregs() + \
|
|
(__va_first_gpr >= 8 ? __va_first_gpr - 8 : 0) * sizeof(int))
|
|
#define __va_reg_args \
|
|
((char *)__builtin_frame_address(0) + __builtin_args_info(4))
|
|
|
|
#define __INTEGER_TYPE_CLASS 1
|
|
#define __REAL_TYPE_CLASS 8
|
|
#define __RECORD_TYPE_CLASS 12
|
|
|
|
#define __va_longlong(type) \
|
|
(__builtin_classify_type(*(type *)0) == __INTEGER_TYPE_CLASS && \
|
|
sizeof(type) == 8)
|
|
|
|
#define __va_double(type) \
|
|
(__builtin_classify_type(*(type *)0) == __REAL_TYPE_CLASS)
|
|
|
|
#define __va_struct(type) \
|
|
(__builtin_classify_type(*(type *)0) >= __RECORD_TYPE_CLASS)
|
|
|
|
#define __va_size(type) \
|
|
((sizeof(type) + sizeof(int) - 1) / sizeof(int) * sizeof(int))
|
|
|
|
#define __va_savedgpr(ap, type) \
|
|
((ap).__base + (ap).__gpr * sizeof(int) - sizeof(type))
|
|
|
|
#define __va_savedfpr(ap, type) \
|
|
((ap).__base + 8 * sizeof(int) + (ap).__fpr * sizeof(double) - \
|
|
sizeof(type))
|
|
|
|
#define __va_stack(ap, type) \
|
|
((ap).__stack += __va_size(type) + \
|
|
(__va_longlong(type) ? (int)(ap).__stack & 4 : 0), \
|
|
(ap).__stack - sizeof(type))
|
|
|
|
#define __va_gpr(ap, type) \
|
|
((ap).__gpr += __va_size(type) / sizeof(int) + \
|
|
(__va_longlong(type) ? (ap).__gpr & 1 : 0), \
|
|
(ap).__gpr <= 8 ? __va_savedgpr(ap, type) : __va_stack(ap, type))
|
|
|
|
#define __va_fpr(ap, type) \
|
|
((ap).__fpr++, \
|
|
(ap).__fpr <= 8 ? __va_savedfpr(ap, type) : __va_stack(ap, type))
|
|
|
|
#define va_arg(ap, type) \
|
|
(*(type *)(__va_struct(type) ? (*(void **)__va_gpr(ap, void *)) : \
|
|
__va_double(type) ? __va_fpr(ap, type) : \
|
|
__va_gpr(ap, type)))
|
|
|
|
#endif /* __lint__ */
|
|
|
|
#define va_end(ap)
|
|
|
|
#if !defined(_ANSI_SOURCE) && \
|
|
(!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) || \
|
|
defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L)
|
|
#define va_copy(dest, src) \
|
|
((dest) = (src))
|
|
#endif
|
|
|
|
#endif /* __GNUC__ post GCC 2.95 */
|
|
|
|
#endif /* _POWERPC_STDARG_H_ */
|