cb0ca2844b
* README.C4X: New file with information about the c4x ports.
* ginclude/va-c4x.h: New file for c4x varargs support.
* config/c4x: New directory with c4x port files.
From-SVN: r22475
35 lines
970 B
C
35 lines
970 B
C
/* GNU C varargs support for the TMS320C[34]x */
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/* C[34]x arguments grow in weird ways (downwards) that the standard
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varargs stuff can't handle. */
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#ifndef __GNUC_VA_LIST
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#define __GNUC_VA_LIST
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typedef void *__gnuc_va_list;
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#endif /* not __GNUC_VA_LIST */
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/* If this is for internal libc use, don't define anything but
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__gnuc_va_list. */
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#if defined (_STDARG_H) || defined (_VARARGS_H)
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#ifdef _STDARG_H /* stdarg.h support */
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#define va_start(AP,LASTARG) AP=(__gnuc_va_list) __builtin_next_arg (LASTARG)
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#else /* varargs.h support */
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#define __va_ellipsis ...
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#define va_alist __builtin_va_alist
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#define va_dcl int __builtin_va_alist; __va_ellipsis
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#define va_start(AP) AP=(__gnuc_va_list) ((int *)&__builtin_va_alist + 1)
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#endif /* _STDARG_H */
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#define va_end(AP) ((void) 0)
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#define va_arg(AP,TYPE) (AP = (__gnuc_va_list) ((char *) (AP) - sizeof(TYPE)), \
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*((TYPE *) ((char *) (AP))))
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#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
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