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/* ---------------------------------------- */
/* VARARGS for MIPS/GNU CC */
/* */
/* */
/* */
/* */
/* ---------------------------------------- */
/* These macros implement varargs for GNU C--either traditional or ANSU. */
/* Define __gnuc_va_list. */
#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST
typedef char * __gnuc_va_list;
#endif /* not __GNUC_VA_LIST */
/* If this is for internal libc use, don't define anything but
__gnuc_va_list. */
#if defined (_STDARG_H) || defined (_VARARGS_H)
/* In GCC version 2, we want an ellipsis at the end of the declaration
of the argument list. GCC version 1 can't parse it. */
#if __GNUC__ > 1
#define __va_ellipsis ...
#else
#define __va_ellipsis
#endif
#if __mips>=3
#define __va_rounded_size(__TYPE) \
(((sizeof (__TYPE) + 8 - 1) / 8) * 8)
#else
#define __va_rounded_size(__TYPE) \
(((sizeof (__TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
#endif
/* Get definitions for _MIPS_SIM_ABI64 etc. */
#ifdef _MIPS_SIM
#include <sgidefs.h>
#endif
#ifdef _STDARG_H
#if defined(_MIPS_SIM) && (_MIPS_SIM == _MIPS_SIM_ABI64)
#define va_start(__AP, __LASTARG) \
(__AP = __builtin_next_arg (__LASTARG) - 64 \
+ (__builtin_args_info (2) > 8 ? 64 : __builtin_args_info(2) * 8))
#else
#define va_start(__AP, __LASTARG) \
(__AP = (__gnuc_va_list) __builtin_next_arg (__LASTARG))
#endif
#else
#define va_alist __builtin_va_alist
#if __mips>=3
/* This assumes that `long long int' is always a 64 bit type. */
#define va_dcl long long int __builtin_va_alist; __va_ellipsis
#else
#define va_dcl int __builtin_va_alist; __va_ellipsis
#endif
/* Need alternate code for _MIPS_SIM_ABI64, but don't use that symbol
because it may not be defined. */
#if defined(_MIPS_SIM) && (_MIPS_SIM == _MIPS_SIM_ABI64)
#define va_start(__AP) \
(__AP = __builtin_next_arg () - 64 \
+ (__builtin_args_info (2) > 8 ? 64 : __builtin_args_info(2) * 8))
#else
#define va_start(__AP) __AP = (char *) &__builtin_va_alist
#endif
#endif
#ifndef va_end
void va_end (__gnuc_va_list); /* Defined in libgcc.a */
#endif
#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 __mips>=3 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 __mips>=3 calling convention does not (and hence they are
right aligned). */
#if __mips>=3
#ifdef __MIPSEB__
#define va_arg(__AP, __type) \
((__type *) (void *) (__AP = (char *) ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \
+ __va_rounded_size (__type))))[-1]
#else
#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
#else /* not __mips>=3 */
#ifdef __MIPSEB__
/* For big-endian machines. */
#define va_arg(__AP, __type) \
((__AP = (char *) ((__alignof__ (__type) > 4 \
? ((int)__AP + 8 - 1) & -8 \
: ((int)__AP + 4 - 1) & -4) \
+ __va_rounded_size (__type))), \
*(__type *) (void *) (__AP - __va_rounded_size (__type)))
#else
/* For little-endian machines. */
#define va_arg(__AP, __type) \
((__type *) (void *) (__AP = (char *) ((__alignof__(__type) > 4 \
? ((int)__AP + 8 - 1) & -8 \
: ((int)__AP + 4 - 1) & -4) \
+ __va_rounded_size(__type))))[-1]
#endif
#endif
#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
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