1/* GNU C varargs support for the Motorola 88100 */ 2 3/* Define __gnuc_va_list. */ 4 5#ifndef __GNUC_VA_LIST 6#define __GNUC_VA_LIST 7 8typedef struct 9{ 10 int __va_arg; /* argument number */ 11 int *__va_stk; /* start of args passed on stack */ 12 int *__va_reg; /* start of args passed in regs */ 13} __gnuc_va_list; 14#endif /* not __GNUC_VA_LIST */ 15 16/* If this is for internal libc use, don't define anything but 17 __gnuc_va_list. */ 18#if defined (_STDARG_H) || defined (_VARARGS_H) 19 20#ifdef _STDARG_H /* stdarg.h support */ 21 22/* Call __builtin_next_arg even though we aren't using its value, so that 23 we can verify that LASTARG is correct. */ 24#if __GNUC__ > 1 /* GCC 2.0 and beyond */ 25#define va_start(AP,LASTARG) \ 26 (__builtin_next_arg (LASTARG), \ 27 (AP) = *(__gnuc_va_list *)__builtin_saveregs()) 28#else 29#define va_start(AP,LASTARG) \ 30 ( (AP).__va_reg = (int *) __builtin_saveregs2(0), \ 31 (AP).__va_stk = (int *) __builtin_argptr(), \ 32 (AP).__va_arg = (int) (__builtin_argsize() + 3) / 4 ) 33#endif 34 35#else /* varargs.h support */ 36 37#if __GNUC__ > 1 /* GCC 2.0 and beyond */ 38#define va_start(AP) ((AP) = *(__gnuc_va_list *)__builtin_saveregs()) 39#else 40#define va_start(AP) \ 41 ( (AP).__va_reg = (int *) __builtin_saveregs2(1), \ 42 (AP).__va_stk = (int *) __builtin_argptr(), \ 43 (AP).__va_arg = (int) (__builtin_argsize() - 4 + 3) / 4 ) 44#endif 45#define va_alist __va_1st_arg 46#define va_dcl register int va_alist;... 47 48#endif /* _STDARG_H */ 49 50/* Avoid trouble between this file and _int_varargs.h under DG/UX. This file 51 can be included by <stdio.h> and others and provides definitions of 52 __va_size and __va_reg_p and a va_list typedef. Avoid defining va_list 53 again with _VA_LIST. */ 54#ifdef __INT_VARARGS_H 55#undef __va_size 56#undef __va_reg_p 57#define __gnuc_va_list va_list 58#define _VA_LIST 59#define _VA_LIST_ 60#else 61/* Similarly, if this gets included first, do nothing in _int_varargs.h. */ 62#define __INT_VARARGS_H 63#endif 64 65#define __va_reg_p(TYPE) \ 66 (__builtin_classify_type(*(TYPE *)0) < 12 \ 67 ? sizeof(TYPE) <= 8 : sizeof(TYPE) == 4 && __alignof__(TYPE) == 4) 68 69#define __va_size(TYPE) ((sizeof(TYPE) + 3) >> 2) 70 71/* We cast to void * and then to TYPE * because this avoids 72 a warning about increasing the alignment requirement. */ 73#define va_arg(AP,TYPE) \ 74 ( (AP).__va_arg = (((AP).__va_arg + (1 << (__alignof__(TYPE) >> 3)) - 1) \ 75 & ~((1 << (__alignof__(TYPE) >> 3)) - 1)) \ 76 + __va_size(TYPE), \ 77 *((TYPE *) (void *) ((__va_reg_p(TYPE) \ 78 && (AP).__va_arg < 8 + __va_size(TYPE) \ 79 ? (AP).__va_reg : (AP).__va_stk) \ 80 + ((AP).__va_arg - __va_size(TYPE))))) 81 82#define va_end(AP) ((void)0) 83 84/* Copy __gnuc_va_list into another variable of this type. */ 85#define __va_copy(dest, src) (dest) = (src) 86 87#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */ 88