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authorMichael Hayes <mph@elec.canterbury.ac.nz>1998-09-19 00:03:07 +0000
committerJeff Law <law@gcc.gnu.org>1998-09-18 18:03:07 -0600
commitcb0ca2844b8681305bcad7699657a7967cc9c634 (patch)
treeb0ebf2a8a557674219c6a8fe1c16245efbd77ea3 /gcc/ginclude
parent289c9aa3c7c1c5f5522e3eee7fba071eafa0c21b (diff)
downloadgcc-cb0ca2844b8681305bcad7699657a7967cc9c634.tar.gz
README.C4X: New file with information about the c4x ports.
* 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
Diffstat (limited to 'gcc/ginclude')
-rw-r--r--gcc/ginclude/va-c4x.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/ginclude/va-c4x.h b/gcc/ginclude/va-c4x.h
new file mode 100644
index 00000000000..c73c6d592bd
--- /dev/null
+++ b/gcc/ginclude/va-c4x.h
@@ -0,0 +1,34 @@
+/* GNU C varargs support for the TMS320C[34]x */
+
+/* C[34]x arguments grow in weird ways (downwards) that the standard
+ varargs stuff can't handle. */
+
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+
+typedef void *__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 */
+
+#define va_start(AP,LASTARG) AP=(__gnuc_va_list) __builtin_next_arg (LASTARG)
+
+#else /* varargs.h support */
+
+#define __va_ellipsis ...
+#define va_alist __builtin_va_alist
+#define va_dcl int __builtin_va_alist; __va_ellipsis
+#define va_start(AP) AP=(__gnuc_va_list) ((int *)&__builtin_va_alist + 1)
+
+#endif /* _STDARG_H */
+
+#define va_end(AP) ((void) 0)
+#define va_arg(AP,TYPE) (AP = (__gnuc_va_list) ((char *) (AP) - sizeof(TYPE)), \
+ *((TYPE *) ((char *) (AP))))
+
+#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */