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1.1 ! root 1: /* ---------------------------------------- */ ! 2: /* VARARGS for MIPS/GNU CC */ ! 3: /* */ ! 4: /* */ ! 5: /* */ ! 6: /* */ ! 7: /* ---------------------------------------- */ ! 8: ! 9: ! 10: /* These macros implement varargs for GNU C--either traditional or ANSU. */ ! 11: ! 12: /* Define __gnuc_va_list. */ ! 13: ! 14: #ifndef __GNUC_VA_LIST ! 15: #define __GNUC_VA_LIST ! 16: typedef char * __gnuc_va_list; ! 17: #endif /* not __GNUC_VA_LIST */ ! 18: ! 19: /* If this is for internal libc use, don't define anything but ! 20: __gnuc_va_list. */ ! 21: #if defined (_STDARG_H) || defined (_VARARGS_H) ! 22: ! 23: /* In GCC version 2, we want an ellipsis at the end of the declaration ! 24: of the argument list. GCC version 1 can't parse it. */ ! 25: ! 26: #if __GNUC__ > 1 ! 27: #define __va_ellipsis ... ! 28: #else ! 29: #define __va_ellipsis ! 30: #endif ! 31: ! 32: #define __va_rounded_size(__TYPE) \ ! 33: (((sizeof (__TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) ! 34: ! 35: #ifdef _STDARG_H ! 36: #define va_start(__AP, __LASTARG) \ ! 37: (__AP = ((char *) &(__LASTARG) + __va_rounded_size (__LASTARG))) ! 38: ! 39: #else ! 40: #define va_alist __builtin_va_alist ! 41: #define va_dcl int __builtin_va_alist; __va_ellipsis ! 42: #define va_start(__AP) __AP = (char *) &__builtin_va_alist ! 43: #endif ! 44: ! 45: #ifndef va_end ! 46: void va_end (__gnuc_va_list); /* Defined in libgcc.a */ ! 47: #endif ! 48: #define va_end(__AP) ! 49: ! 50: /* We cast to void * and then to TYPE * because this avoids ! 51: a warning about increasing the alignment requirement. */ ! 52: #ifdef __MIPSEB__ ! 53: /* For big-endian machines. */ ! 54: #define va_arg(__AP, __type) \ ! 55: ((__AP = (char *) ((__alignof__ (__type) > 4 \ ! 56: ? ((int)__AP + 8 - 1) & -8 \ ! 57: : ((int)__AP + 4 - 1) & -4) \ ! 58: + __va_rounded_size (__type))), \ ! 59: *(__type *) (void *) (__AP - __va_rounded_size (__type))) ! 60: #else ! 61: /* For little-endian machines. */ ! 62: #define va_arg(__AP, __type) \ ! 63: ((__type *) (void *) (__AP = (char *) ((__alignof__(__type) > 4 \ ! 64: ? ((int)__AP + 8 - 1) & -8 \ ! 65: : ((int)__AP + 4 - 1) & -4) \ ! 66: + __va_rounded_size(__type))))[-1] ! 67: #endif ! 68: ! 69: #endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
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