177957Sbenno/*- 296318Sobrien * Copyright (c) 2002 David E. O'Brien. All rights reserved. 377957Sbenno * Copyright (c) 2000 Tsubai Masanari. All rights reserved. 477957Sbenno * 577957Sbenno * Redistribution and use in source and binary forms, with or without 677957Sbenno * modification, are permitted provided that the following conditions 777957Sbenno * are met: 877957Sbenno * 1. Redistributions of source code must retain the above copyright 977957Sbenno * notice, this list of conditions and the following disclaimer. 1077957Sbenno * 2. Redistributions in binary form must reproduce the above copyright 1177957Sbenno * notice, this list of conditions and the following disclaimer in the 1277957Sbenno * documentation and/or other materials provided with the distribution. 1377957Sbenno * 3. The name of the author may not be used to endorse or promote products 1477957Sbenno * derived from this software without specific prior written permission. 1577957Sbenno * 1677957Sbenno * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1777957Sbenno * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1877957Sbenno * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1977957Sbenno * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2077957Sbenno * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2177957Sbenno * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2277957Sbenno * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2377957Sbenno * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2477957Sbenno * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2577957Sbenno * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2677957Sbenno * 2777957Sbenno * $NetBSD: stdarg.h,v 1.5 2000/02/27 17:50:21 tsubai Exp $ 2877957Sbenno * $FreeBSD: releng/10.3/sys/powerpc/include/stdarg.h 162487 2006-09-21 01:37:02Z kan $ 2977957Sbenno */ 3077957Sbenno 31104583Smike#ifndef _MACHINE_STDARG_H_ 32104583Smike#define _MACHINE_STDARG_H_ 3377957Sbenno 34104583Smike#include <sys/cdefs.h> 35102227Smike#include <sys/_types.h> 3677957Sbenno 37104583Smike#ifndef _VA_LIST_DECLARED 38104583Smike#define _VA_LIST_DECLARED 39102227Smiketypedef __va_list va_list; 40104583Smike#endif 4177957Sbenno 42143063Sjoerg#if defined(__GNUCLIKE_BUILTIN_STDARG) 4396318Sobrien 4496318Sobrien#define va_start(ap, last) \ 45162487Skan __builtin_va_start((ap), (last)) 4696318Sobrien 4796318Sobrien#define va_arg(ap, type) \ 4896318Sobrien __builtin_va_arg((ap), type) 4996318Sobrien 50104583Smike#if __ISO_C_VISIBLE >= 1999 51103526Smike#define va_copy(dest, src) \ 52103526Smike __builtin_va_copy((dest), (src)) 53131687Sobrien 54131687Sobrien#define __va_copy(dest, src) \ 55131687Sobrien va_copy((dest), (src)) 56104583Smike#endif 57103526Smike 5896318Sobrien#define va_end(ap) \ 5996318Sobrien __builtin_va_end(ap) 6096318Sobrien 61143063Sjoerg#else /* !__GNUCLIKE_BUILTIN_STDARG */ 6296318Sobrien 6377957Sbenno#ifdef __lint__ 6477957Sbenno 6577957Sbenno#define va_start(ap, last) ((ap) = *(va_list *)0) 6677957Sbenno#define va_arg(ap, type) (*(type *)(void *)&(ap)) 6777957Sbenno 6877957Sbenno#else 6977957Sbenno 70143063Sjoerg#if defined(__GNUC_VA_LIST_COMPATIBILITY) 7177957Sbenno#define va_start(ap, last) \ 7277957Sbenno (__builtin_next_arg(last), \ 7385169Smp __builtin_memcpy((void *)&(ap), __builtin_saveregs (), \ 7485169Smp sizeof(__gnuc_va_list))) 7585113Smp#else 7685113Smp#define va_start(ap, last) \ 7785113Smp (__builtin_next_arg(last), \ 7877957Sbenno (ap).__stack = __va_stack_args, \ 7977957Sbenno (ap).__base = __va_reg_args, \ 8077957Sbenno (ap).__gpr = __va_first_gpr, \ 8177957Sbenno (ap).__fpr = __va_first_fpr) 8285113Smp#endif 8377957Sbenno 8477957Sbenno#define __va_first_gpr (__builtin_args_info(0)) 8577957Sbenno#define __va_first_fpr (__builtin_args_info(1) - 32 - 1) 8677957Sbenno#define __va_stack_args \ 8777957Sbenno ((char *)__builtin_saveregs() + \ 8877957Sbenno (__va_first_gpr >= 8 ? __va_first_gpr - 8 : 0) * sizeof(int)) 8977957Sbenno#define __va_reg_args \ 9077957Sbenno ((char *)__builtin_frame_address(0) + __builtin_args_info(4)) 9177957Sbenno 9277957Sbenno#define __INTEGER_TYPE_CLASS 1 9377957Sbenno#define __REAL_TYPE_CLASS 8 9477957Sbenno#define __RECORD_TYPE_CLASS 12 9577957Sbenno 9677957Sbenno#define __va_longlong(type) \ 9777957Sbenno (__builtin_classify_type(*(type *)0) == __INTEGER_TYPE_CLASS && \ 9877957Sbenno sizeof(type) == 8) 9977957Sbenno 10077957Sbenno#define __va_double(type) \ 10177957Sbenno (__builtin_classify_type(*(type *)0) == __REAL_TYPE_CLASS) 10277957Sbenno 10377957Sbenno#define __va_struct(type) \ 10477957Sbenno (__builtin_classify_type(*(type *)0) >= __RECORD_TYPE_CLASS) 10577957Sbenno 10677957Sbenno#define __va_size(type) \ 10777957Sbenno ((sizeof(type) + sizeof(int) - 1) / sizeof(int) * sizeof(int)) 10877957Sbenno 10977957Sbenno#define __va_savedgpr(ap, type) \ 11077957Sbenno ((ap).__base + (ap).__gpr * sizeof(int) - sizeof(type)) 11177957Sbenno 11277957Sbenno#define __va_savedfpr(ap, type) \ 11377957Sbenno ((ap).__base + 8 * sizeof(int) + (ap).__fpr * sizeof(double) - \ 11477957Sbenno sizeof(type)) 11577957Sbenno 11677957Sbenno#define __va_stack(ap, type) \ 11777957Sbenno ((ap).__stack += __va_size(type) + \ 11877957Sbenno (__va_longlong(type) ? (int)(ap).__stack & 4 : 0), \ 11977957Sbenno (ap).__stack - sizeof(type)) 12077957Sbenno 12177957Sbenno#define __va_gpr(ap, type) \ 12277957Sbenno ((ap).__gpr += __va_size(type) / sizeof(int) + \ 12377957Sbenno (__va_longlong(type) ? (ap).__gpr & 1 : 0), \ 12477957Sbenno (ap).__gpr <= 8 ? __va_savedgpr(ap, type) : __va_stack(ap, type)) 12577957Sbenno 12677957Sbenno#define __va_fpr(ap, type) \ 12777957Sbenno ((ap).__fpr++, \ 12877957Sbenno (ap).__fpr <= 8 ? __va_savedfpr(ap, type) : __va_stack(ap, type)) 12977957Sbenno 13077957Sbenno#define va_arg(ap, type) \ 13177957Sbenno (*(type *)(__va_struct(type) ? (*(void **)__va_gpr(ap, void *)) : \ 13277957Sbenno __va_double(type) ? __va_fpr(ap, type) : \ 13377957Sbenno __va_gpr(ap, type))) 13477957Sbenno 13577957Sbenno#endif /* __lint__ */ 13677957Sbenno 13777957Sbenno#define va_end(ap) 13877957Sbenno 139104583Smike#if __ISO_C_VISIBLE >= 1999 14077957Sbenno#if !defined(_ANSI_SOURCE) && \ 14177957Sbenno (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) || \ 14277957Sbenno defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L) 14377957Sbenno#define va_copy(dest, src) \ 14477957Sbenno ((dest) = (src)) 14577957Sbenno#endif 146104583Smike#endif 14777957Sbenno 148143063Sjoerg#endif /* __GNUCLIKE_BUILTIN_STDARG */ 14996318Sobrien 150104583Smike#endif /* _MACHINE_STDARG_H_ */ 151