From 36970cc69149ef3a3f32d57663a14adedaebcbb9 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Wed, 21 Feb 2001 18:58:30 +0000 Subject: Add an SH port done by Jean-Yves Avenard of Hewlett-Packard - Embedded and Personal Systems. Thanks! -Erik --- include/stdarg.h | 250 +++++++++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 204 insertions(+), 46 deletions(-) (limited to 'include/stdarg.h') diff --git a/include/stdarg.h b/include/stdarg.h index 321e6646e..24f338319 100644 --- a/include/stdarg.h +++ b/include/stdarg.h @@ -1,47 +1,205 @@ - /* - * @(#) stdarg.h 1.2 91/11/30 21:10:39 - * - * Sample stdarg.h file for use with the unproto filter. - * - * This file serves two purposes. - * - * 1 - As an include file for use with ANSI-style C source that implements - * variadic functions. - * - * 2 - To configure the unproto filter itself. If the _VA_ALIST_ macro is - * defined, its value will appear in the place of the "..." in argument - * lists of variadic function *definitions* (not declarations). - * - * Compilers that pass arguments via the stack can use the default code at the - * end of this file (this usually applies for the VAX, MC68k and 80*86 - * architectures). - * - * RISC-based systems often need special tricks. An example of the latter is - * given for the SPARC architecture. Read your /usr/include/varargs.h for - * more information. - * - * You can use the varargs.c program provided with the unproto package to - * verify that the stdarg.h file has been set up correctly. - */ - -#ifndef __STDARG_H -#define __STDARG_H - -#ifdef sparc -# define _VA_ALIST_ "__builtin_va_alist" - typedef char *va_list; -# define va_start(ap, p) (ap = (char *) &__builtin_va_alist) -# define va_arg(ap, type) ((type *) __builtin_va_arg_incr((type *) ap))[0] -# define va_end(ap) -#else /* vax, mc68k, 80*86 */ - typedef char *va_list; -# define va_start(ap, p) (ap = (char *) (&(p)+1)) -# define va_arg(ap, type) ((type *) (ap += sizeof(type)))[-1] -# define va_end(ap) -#endif - -#endif /* __STDARG_H */ - -#if __FIRST_ARG_IN_AX__ -#error First arg is in a register, stdarg.h cannot take its address +/* stdarg.h for GNU. + Note that the type used in va_arg is supposed to match the + actual type **after default promotions**. + Thus, va_arg (..., short) is not valid. */ + +#ifndef _STDARG_H +#ifndef _ANSI_STDARG_H_ +#ifndef __need___va_list +#define _STDARG_H +#define _ANSI_STDARG_H_ +#endif /* not __need___va_list */ +#undef __need___va_list + +#ifdef __clipper__ +#include "va-clipper.h" +#else +#ifdef __m88k__ +#include "va-m88k.h" +#else +#ifdef __i860__ +#include "va-i860.h" +#else +#ifdef __hppa__ +#include "va-pa.h" +#else +#ifdef __mips__ +#include "va-mips.h" +#else +#ifdef __sparc__ +#include "va-sparc.h" +#else +#ifdef __i960__ +#include "va-i960.h" +#else +#ifdef __alpha__ +#include "va-alpha.h" +#else +#if defined (__H8300__) || defined (__H8300H__) || defined (__H8300S__) +#include "va-h8300.h" +#else +#if defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32)) +#include "va-ppc.h" +#else +#ifdef __arc__ +#include "va-arc.h" +#else +#ifdef __M32R__ +#include "va-m32r.h" +#else +#ifdef __sh__ +#include "va-sh.h" +#else +#ifdef __mn10300__ +#include "va-mn10300.h" +#else +#ifdef __mn10200__ +#include "va-mn10200.h" +#else +#ifdef __v850__ +#include "va-v850.h" +#else + +/* Define __gnuc_va_list. */ + +#ifndef __GNUC_VA_LIST +#define __GNUC_VA_LIST +#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX) || defined(__NetBSD__) +typedef char *__gnuc_va_list; +#else +typedef void *__gnuc_va_list; +#endif +#endif + +/* Define the standard macros for the user, + if this invocation was from the user program. */ +#ifdef _STDARG_H + +/* Amount of space required in an argument list for an arg of type TYPE. + TYPE may alternatively be an expression whose type is used. */ + +#if defined(sysV68) +#define __va_rounded_size(TYPE) \ + (((sizeof (TYPE) + sizeof (short) - 1) / sizeof (short)) * sizeof (short)) +#else +#define __va_rounded_size(TYPE) \ + (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) #endif + +#define va_start(AP, LASTARG) \ + (AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG))) + +#undef va_end +void va_end (__gnuc_va_list); /* Defined in libgcc.a */ +#define va_end(AP) ((void)0) + +/* We cast to void * and then to TYPE * because this avoids + a warning about increasing the alignment requirement. */ + +#if (defined (__arm__) && ! defined (__ARMEB__)) || defined (__i386__) || defined (__i860__) || defined (__ns32000__) || defined (__vax__) +/* This is for little-endian machines; small args are padded upward. */ +#define va_arg(AP, TYPE) \ + (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \ + *((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE)))) +#else /* big-endian */ +/* This is for big-endian machines; small args are padded downward. */ +#define va_arg(AP, TYPE) \ + (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \ + *((TYPE *) (void *) ((char *) (AP) \ + - ((sizeof (TYPE) < __va_rounded_size (char) \ + ? sizeof (TYPE) : __va_rounded_size (TYPE)))))) +#endif /* big-endian */ + +/* Copy __gnuc_va_list into another variable of this type. */ +#define __va_copy(dest, src) (dest) = (src) + +#endif /* _STDARG_H */ + +#endif /* not v850 */ +#endif /* not mn10200 */ +#endif /* not mn10300 */ +#endif /* not sh */ +#endif /* not m32r */ +#endif /* not arc */ +#endif /* not powerpc with V.4 calling sequence */ +#endif /* not h8300 */ +#endif /* not alpha */ +#endif /* not i960 */ +#endif /* not sparc */ +#endif /* not mips */ +#endif /* not hppa */ +#endif /* not i860 */ +#endif /* not m88k */ +#endif /* not clipper */ + +#ifdef _STDARG_H +/* Define va_list, if desired, from __gnuc_va_list. */ +/* We deliberately do not define va_list when called from + stdio.h, because ANSI C says that stdio.h is not supposed to define + va_list. stdio.h needs to have access to that data type, + but must not use that name. It should use the name __gnuc_va_list, + which is safe because it is reserved for the implementation. */ + +#ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */ +#undef _VA_LIST +#endif + +#ifdef _BSD_VA_LIST +#undef _BSD_VA_LIST +#endif + +#if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST)) +/* SVR4.2 uses _VA_LIST for an internal alias for va_list, + so we must avoid testing it and setting it here. + SVR4 uses _VA_LIST as a flag in stdarg.h, but we should + have no conflict with that. */ +#ifndef _VA_LIST_ +#define _VA_LIST_ +#ifdef __i860__ +#ifndef _VA_LIST +#define _VA_LIST va_list +#endif +#endif /* __i860__ */ +typedef __gnuc_va_list va_list; +#ifdef _SCO_DS +#define __VA_LIST +#endif +#endif /* _VA_LIST_ */ +#else /* not __svr4__ || _SCO_DS */ + +/* The macro _VA_LIST_ is the same thing used by this file in Ultrix. + But on BSD NET2 we must not test or define or undef it. + (Note that the comments in NET 2's ansi.h + are incorrect for _VA_LIST_--see stdio.h!) */ +#if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT) +/* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */ +#ifndef _VA_LIST_DEFINED +/* The macro _VA_LIST is used in SCO Unix 3.2. */ +#ifndef _VA_LIST +/* The macro _VA_LIST_T_H is used in the Bull dpx2 */ +#ifndef _VA_LIST_T_H +typedef __gnuc_va_list va_list; +#endif /* not _VA_LIST_T_H */ +#endif /* not _VA_LIST */ +#endif /* not _VA_LIST_DEFINED */ +#if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__)) +#define _VA_LIST_ +#endif +#ifndef _VA_LIST +#define _VA_LIST +#endif +#ifndef _VA_LIST_DEFINED +#define _VA_LIST_DEFINED +#endif +#ifndef _VA_LIST_T_H +#define _VA_LIST_T_H +#endif + +#endif /* not _VA_LIST_, except on certain systems */ + +#endif /* not __svr4__ */ + +#endif /* _STDARG_H */ + +#endif /* not _ANSI_STDARG_H_ */ +#endif /* not _STDARG_H */ -- cgit v1.2.3