d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use standard pattern for stdargs.h

Browse Source 
We don't support older compilers. Most of the code in these files is
for pre-3.0 gcc, which is at least 15 years obsolete. Move to using
phk's sys/_stdargs.h for all these platforms.

Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D14323
This commit is contained in:
imp 2018-02-12 14:48:05 +00:00
parent e942535b5d
commit f91c747c4d
4 changed files with 62 additions and 384 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

165
sys/mips/include/stdarg.h
View File

@ -1,144 +1,39 @@
/* /*-
* JNPR: stdarg.h,v 1.3 2006/09/15 12:52:34 katta * SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2017 Poul-Henning Kamp. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $FreeBSD$ * $FreeBSD$
*/ */
#ifndef _MACHINE_STDARG_H_ #ifndef _MACHINE_STDARG_H_
#define _MACHINE_STDARG_H_ #define _MACHINE_STDARG_H_
#include <sys/cdefs.h>
#include <sys/_types.h>
#include <sys/_stdarg.h>
#if __GNUC__ >= 3 #ifndef va_start
#error this file needs to be ported to your compiler
#ifndef _VA_LIST_DECLARED
#define _VA_LIST_DECLARED
typedef __va_list va_list;
#endif
#define va_start(v,l) __builtin_va_start((v),l)
#define va_end __builtin_va_end
#define va_arg __builtin_va_arg
#define va_copy __builtin_va_copy
#else /* __GNUC__ */
/* ---------------------------------------- */
/* VARARGS for MIPS/GNU CC */
/* ---------------------------------------- */
#include <machine/endian.h>
/* These macros implement varargs for GNU C--either traditional or ANSI. */
/* Define __gnuc_va_list. */
#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST
typedef char * __gnuc_va_list;
typedef __gnuc_va_list va_list;
#endif /* ! __GNUC_VA_LIST */
/* If this is for internal libc use, don't define anything but
__gnuc_va_list. */
#ifndef _VA_MIPS_H_ENUM
#define _VA_MIPS_H_ENUM
enum {
__no_type_class = -1,
__void_type_class,
__integer_type_class,
__char_type_class,
__enumeral_type_class,
__boolean_type_class,
__pointer_type_class,
__reference_type_class,
__offset_type_class,
__real_type_class,
__complex_type_class,
__function_type_class,
__method_type_class,
__record_type_class,
__union_type_class,
__array_type_class,
__string_type_class,
__set_type_class,
__file_type_class,
__lang_type_class
};
#endif #endif
/* In GCC version 2, we want an ellipsis at the end of the declaration #endif /* !_MACHINE_STDARG_H_ */
of the argument list. GCC version 1 can't parse it. */
#if __GNUC__ > 1
#define __va_ellipsis ...
#else
#define __va_ellipsis
#endif
#define va_start(__AP, __LASTARG) \
(__AP = (__gnuc_va_list) __builtin_next_arg (__LASTARG))
#define va_end(__AP) ((void)0)
/* We cast to void * and then to TYPE * because this avoids
a warning about increasing the alignment requirement. */
/* The __mips64 cases are reversed from the 32 bit cases, because the standard
32 bit calling convention left-aligns all parameters smaller than a word,
whereas the __mips64 calling convention does not (and hence they are
right aligned). */
#ifdef __mips64
#define __va_rounded_size(__TYPE) (((sizeof (__TYPE) + 8 - 1) / 8) * 8)
#define __va_reg_size 8
#if defined(__MIPSEB__) || (BYTE_ORDER == BIG_ENDIAN)
#define va_arg(__AP, __type) \
((__type *) (void *) (__AP = (char *) \
((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \
+ __va_rounded_size (__type))))[-1]
#else /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */
#define va_arg(__AP, __type) \
((__AP = (char *) ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \
+ __va_rounded_size (__type))), \
*(__type *) (void *) (__AP - __va_rounded_size (__type)))
#endif /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */
#else /* ! __mips64 */
#define __va_rounded_size(__TYPE) \
(((sizeof (__TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
#define __va_reg_size 4
#if defined(__MIPSEB__) || (BYTE_ORDER == BIG_ENDIAN)
/* For big-endian machines. */
#define va_arg(__AP, __type) \
((__AP = (char *) ((__alignof__ (__type) > 4 \
? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8 \
: ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4) \
+ __va_rounded_size (__type))), \
*(__type *) (void *) (__AP - __va_rounded_size (__type)))
#else /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */
/* For little-endian machines. */
#define va_arg(__AP, __type) \
((__type *) (void *) (__AP = (char *) ((__alignof__(__type) > 4 \
? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8 \
: ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4) \
+ __va_rounded_size(__type))))[-1]
#endif /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */
#endif /* ! __mips64 */
/* Copy __gnuc_va_list into another variable of this type. */
#define __va_copy(dest, src) (dest) = (src)
#define va_copy(dest, src) (dest) = (src)
#endif /* __GNUC__ */
#endif /* _MACHINE_STDARG_H_ */

147
sys/powerpc/include/stdarg.h
View File

@ -1,8 +1,7 @@
/*- /*-
* SPDX-License-Identifier: BSD-3-Clause * SPDX-License-Identifier: BSD-2-Clause
* *
* Copyright (c) 2002 David E. O'Brien. All rights reserved. * Copyright (c) 2017 Poul-Henning Kamp. All rights reserved.
* Copyright (c) 2000 Tsubai Masanari. All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
@ -12,141 +11,29 @@
* 2. Redistributions in binary form must reproduce the above copyright * 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the * notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution. * 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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * 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 $
* $FreeBSD$ * $FreeBSD$
*/ */
#ifndef _MACHINE_STDARG_H_ #ifndef _MACHINE_STDARG_H_
#define _MACHINE_STDARG_H_ #define _MACHINE_STDARG_H_
#include <sys/cdefs.h> #include <sys/_stdarg.h>
#include <sys/_types.h>
#ifndef _VA_LIST_DECLARED #ifndef va_start
#define _VA_LIST_DECLARED #error this file needs to be ported to your compiler
typedef __va_list va_list;
#endif #endif
#if defined(__GNUCLIKE_BUILTIN_STDARG) #endif /* !_MACHINE_STDARG_H_ */
#define va_start(ap, last) \
__builtin_va_start((ap), (last))
#define va_arg(ap, type) \
__builtin_va_arg((ap), type)
#if __ISO_C_VISIBLE >= 1999
#define va_copy(dest, src) \
__builtin_va_copy((dest), (src))
#define __va_copy(dest, src) \
va_copy((dest), (src))
#endif
#define va_end(ap) \
__builtin_va_end(ap)
#else /* !__GNUCLIKE_BUILTIN_STDARG */
#ifdef __lint__
#define va_start(ap, last) ((ap) = *(va_list *)0)
#define va_arg(ap, type) (*(type *)(void *)&(ap))
#else
#if defined(__GNUC_VA_LIST_COMPATIBILITY)
#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 __ISO_C_VISIBLE >= 1999
#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
#endif /* __GNUCLIKE_BUILTIN_STDARG */
#endif /* _MACHINE_STDARG_H_ */

56
sys/riscv/include/stdarg.h
View File

@ -1,7 +1,7 @@
/*- /*-
* Copyright (c) 2002 David E. O'Brien. All rights reserved. * SPDX-License-Identifier: BSD-2-Clause
* Copyright (c) 1991, 1993 *
* The Regents of the University of California. All rights reserved. * Copyright (c) 2017 Poul-Henning Kamp. All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
@ -11,14 +11,11 @@
* 2. Redistributions in binary form must reproduce the above copyright * 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the * notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution. * documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* *
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
@ -27,53 +24,16 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* @(#)stdarg.h 8.1 (Berkeley) 6/10/93
* $FreeBSD$ * $FreeBSD$
*/ */
#ifndef _MACHINE_STDARG_H_ #ifndef _MACHINE_STDARG_H_
#define _MACHINE_STDARG_H_ #define _MACHINE_STDARG_H_
#include <sys/cdefs.h> #include <sys/_stdarg.h>
#include <sys/_types.h>
#ifndef _VA_LIST_DECLARED #ifndef va_start
#define _VA_LIST_DECLARED #error this file needs to be ported to your compiler
typedef __va_list va_list;
#endif #endif
#ifdef __GNUCLIKE_BUILTIN_STDARG
#define va_start(ap, last) \
__builtin_va_start((ap), (last))
#define va_arg(ap, type) \
__builtin_va_arg((ap), type)
#if __ISO_C_VISIBLE >= 1999
#define va_copy(dest, src) \
__builtin_va_copy((dest), (src))
#endif
#define va_end(ap) \
__builtin_va_end(ap)
#elif defined(lint)
/* Provide a fake implementation for lint's benefit */
#define __va_size(type) \
(((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
#define va_start(ap, last) \
((ap) = (va_list)&(last) + __va_size(last))
#define va_copy(dst, src) \
((dst) = (src))
#define va_arg(ap, type) \
(*(type *)((ap) += __va_size(type), (ap) - __va_size(type)))
#define va_end(ap)
#else /* !__GNUCLIKE_BUILTIN_STDARG */
#error no support for your compiler
#endif /* __GNUCLIKE_BUILTIN_STDARG */
#endif /* !_MACHINE_STDARG_H_ */ #endif /* !_MACHINE_STDARG_H_ */

78
sys/sparc64/include/stdarg.h
View File

@ -1,18 +1,7 @@
/*- /*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD * SPDX-License-Identifier: BSD-2-Clause
* *
* Copyright (c) 2002 David E. O'Brien. All rights reserved. * Copyright (c) 2017 Poul-Henning Kamp. All rights reserved.
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
@ -23,10 +12,10 @@
* notice, this list of conditions and the following disclaimer in the * notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution. * documentation and/or other materials provided with the distribution.
* *
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
@ -35,69 +24,16 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* @(#)stdarg.h 8.2 (Berkeley) 9/27/93
* $NetBSD: stdarg.h,v 1.11 2000/07/23 21:36:56 mycroft Exp $
* $FreeBSD$ * $FreeBSD$
*/ */
#ifndef _MACHINE_STDARG_H_ #ifndef _MACHINE_STDARG_H_
#define _MACHINE_STDARG_H_ #define _MACHINE_STDARG_H_
#include <sys/cdefs.h> #include <sys/_stdarg.h>
#include <sys/_types.h>
#ifndef _VA_LIST_DECLARED #ifndef va_start
#define _VA_LIST_DECLARED #error this file needs to be ported to your compiler
typedef __va_list va_list;
#endif #endif
#ifdef __GNUCLIKE_BUILTIN_STDARG
#define va_start(ap, last) \
__builtin_va_start((ap), (last))
#define va_arg(ap, type) \
__builtin_va_arg((ap), type)
#if __ISO_C_VISIBLE >= 1999
#define va_copy(dest, src) \
__builtin_va_copy((dest), (src))
#endif
#define va_end(ap) \
__builtin_va_end(ap)
#else /* ! __GNUCLIKE_BUILTIN_STDARG */
#if !defined(__GNUCLIKE_BUILTIN_NEXT_ARG) && !defined(lint)
#error no support for your compiler
#endif
#define va_start(ap, last) \
(__builtin_next_arg(last), (ap) = (va_list)__builtin_saveregs())
#define va_end(ap)
#define __va_arg8(ap, type) \
(*(type *)(void *)((ap) += 8, (ap) - 8))
#define __va_arg16(ap, type) \
(*(type *)(void *)((ap) = (va_list)(((unsigned long)(ap) + 31) & -16),\
(ap) - 16))
#define __va_int(ap, type) \
(*(type *)(void *)((ap) += 8, (ap) - sizeof(type)))
#define __REAL_TYPE_CLASS 8
#define __RECORD_TYPE_CLASS 12
#define va_arg(ap, type) \
(__builtin_classify_type(*(type *)0) == __REAL_TYPE_CLASS ? \
(__alignof__(type) == 16 ? __va_arg16(ap, type) : \
__va_arg8(ap, type)) : \
(__builtin_classify_type(*(type *)0) < __RECORD_TYPE_CLASS ? \
__va_int(ap, type) : \
(sizeof(type) <= 8 ? __va_arg8(ap, type) : \
(sizeof(type) <= 16 ? __va_arg16(ap, type) : \
*__va_arg8(ap, type *)))))
#endif /* __GNUCLIKE_BUILTIN_STDARG */
#endif /* !_MACHINE_STDARG_H_ */ #endif /* !_MACHINE_STDARG_H_ */