/* This file contains changes made by Data General, December 1989. */ /* GNU C varargs support for the Motorola 88100 */ #ifndef __INT_VARARGS_H /* Prevent multiple inclusions of this file */ #define __INT_VARARGS_H /* and _int_varargs.h under DG/UX */ typedef struct { int __va_arg; /* argument number */ int *__va_stk; /* start of args passed on stack */ int *__va_reg; /* start of args passed in regs */ } va_list; #else #undef __va_size #undef __va_reg_p #endif /* __INT_VARARGS_H */ #ifdef _STDARG_H /* stdarg.h support */ #if __GNUC__ > 1 /* GCC 2.0 and beyond */ #define va_start(AP,LASTARG) ((AP) = *(va_list *)__builtin_saveregs()) #else #define va_start(AP,LASTARG) \ ( (AP).__va_reg = (int *) __builtin_saveregs2(0), \ (AP).__va_stk = (int *) __builtin_argptr(), \ (AP).__va_arg = (int) (__builtin_argsize() + 3) / 4 ) #endif #else /* varargs.h support */ #if __GNUC__ > 1 /* GCC 2.0 and beyond */ #define va_start(AP) ((AP) = *(va_list *)__builtin_saveregs()) #else #define va_start(AP) \ ( (AP).__va_reg = (int *) __builtin_saveregs2(1), \ (AP).__va_stk = (int *) __builtin_argptr(), \ (AP).__va_arg = (int) (__builtin_argsize() - 4 + 3) / 4 ) #endif #define va_alist __va_1st_arg #define va_dcl register int va_alist; #endif /* _STDARG_H */ #define __va_reg_p(TYPE) \ (__builtin_classify_type(*(TYPE *)0) < 12 \ ? sizeof(TYPE) <= 8 : sizeof(TYPE) == 4 && __alignof__(TYPE) == 4) #define __va_size(TYPE) ((sizeof(TYPE) + 3) >> 2) #define va_arg(AP,TYPE) \ ( (AP).__va_arg = (((AP).__va_arg + (1 << (__alignof__(TYPE) >> 3)) - 1) \ & ~((1 << (__alignof__(TYPE) >> 3)) - 1)) \ + __va_size(TYPE), \ *((TYPE *) ((__va_reg_p(TYPE) && (AP).__va_arg < 8 + __va_size(TYPE) \ ? (AP).__va_reg : (AP).__va_stk) \ + ((AP).__va_arg - __va_size(TYPE))))) #define va_end(AP)