Revision 8834,
1.4 KB
checked in by ghudson, 28 years ago
(diff) |
This commit was generated by cvs2svn to compensate for changes in r8833,
which included commits to RCS files with non-trunk default branches.
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1 | /* stdarg/vararg support for the Hitachi h8/300 and h8/300h */ |
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2 | |
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3 | /* Define __gnuc_va_list. */ |
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4 | |
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5 | #ifndef __GNUC_VA_LIST |
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6 | #define __GNUC_VA_LIST |
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7 | typedef void *__gnuc_va_list; |
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8 | #endif |
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9 | |
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10 | /* If this is for internal libc use, don't define anything but |
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11 | __gnuc_va_list. */ |
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12 | #if defined (_STDARG_H) || defined (_VARARGS_H) |
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13 | |
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14 | /* In GCC version 2, we want an ellipsis at the end of the declaration |
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15 | of the argument list. GCC version 1 can't parse it. */ |
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16 | |
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17 | #if __GNUC__ > 1 |
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18 | #define __va_ellipsis ... |
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19 | #else |
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20 | #define __va_ellipsis |
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21 | #endif |
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22 | |
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23 | #ifdef __H8300__ |
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24 | #define __va_rounded_size(TYPE) \ |
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25 | (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) |
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26 | #else |
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27 | #define __va_rounded_size(TYPE) \ |
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28 | (((sizeof (TYPE) + sizeof (long) - 1) / sizeof (long)) * sizeof (long)) |
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29 | #endif |
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30 | |
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31 | #ifdef _STDARG_H |
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32 | |
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33 | #define va_start(AP,LASTARG) \ |
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34 | (AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG))) |
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35 | |
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36 | #else /* _VARARGS_H */ |
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37 | |
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38 | #define va_alist __builtin_va_alist |
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39 | /* The ... causes current_function_varargs to be set in cc1. */ |
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40 | #define va_dcl int __builtin_va_alist; __va_ellipsis |
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41 | #define va_start(AP) AP = (void *) &__builtin_va_alist |
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42 | |
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43 | #endif /* _VARARGS_H */ |
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44 | |
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45 | #define va_arg(AP, TYPE) \ |
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46 | (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \ |
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47 | *((TYPE *) (void *) ((char *) (AP) - ((sizeof (TYPE) < 4 \ |
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48 | ? sizeof (TYPE) \ |
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49 | : __va_rounded_size (TYPE)))))) |
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50 | |
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51 | #define va_end(AP) ((void) 0) |
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52 | |
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53 | #endif /* defined (_STDARG_H) || defined (_VARARGS_H) */ |
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