| /* 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) */ |