/* GNU C varargs support for the Motorola 88100 */ /* Define __gnuc_va_list. */ #ifndef __GNUC_VA_LIST #define __GNUC_VA_LIST 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 */ } __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) #ifdef _STDARG_H /* stdarg.h support */ /* Call __builtin_next_arg even though we aren't using its value, so that we can verify that LASTARG is correct. */ #if __GNUC__ > 1 /* GCC 2.0 and beyond */ #define va_start(AP,LASTARG) \ (__builtin_next_arg (LASTARG), \ (AP) = *(__gnuc_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) = *(__gnuc_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 */ /* Avoid trouble between this file and _int_varargs.h under DG/UX. This file can be included by <stdio.h> and others and provides definitions of __va_size and __va_reg_p and a va_list typedef. Avoid defining va_list again with _VA_LIST. */ #ifdef __INT_VARARGS_H #undef __va_size #undef __va_reg_p #define __gnuc_va_list va_list #define _VA_LIST #define _VA_LIST_ #else /* Similarly, if this gets included first, do nothing in _int_varargs.h. */ #define __INT_VARARGS_H #endif #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) /* We cast to void * and then to TYPE * because this avoids a warning about increasing the alignment requirement. */ #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 *) (void *) ((__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) ((void)0) /* Copy __gnuc_va_list into another variable of this type. */ #define __va_copy(dest, src) (dest) = (src) #endif /* defined (_STDARG_H) || defined (_VARARGS_H) */