diff options
Diffstat (limited to 'contrib/gcc/ginclude/stdarg.h')
-rw-r--r-- | contrib/gcc/ginclude/stdarg.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/contrib/gcc/ginclude/stdarg.h b/contrib/gcc/ginclude/stdarg.h new file mode 100644 index 0000000..ca79a3e --- /dev/null +++ b/contrib/gcc/ginclude/stdarg.h @@ -0,0 +1,174 @@ +/* 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__) +#include <va-h8300.h> +#else +#if defined (__PPC__) && defined (_CALL_SYSV) +#include <va-ppc.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 (__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 */ +#endif /* _STDARG_H */ + +#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 + +#ifdef __svr4__ +/* 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; +#endif /* _VA_LIST_ */ +#else /* not __svr4__ */ + +/* 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 */ |