Define genassym related macros in a seperate include file to prevent

each and every xxx_genassym.c file to seperately define these and
also to promote uniformity and a level of abstraction.

Symbols are created as unsigned long by default and overridable on
a per file basis.

1 files changed, 42 insertions, 0 deletions

diff --git a/sys/sys/assym.h b/sys/sys/assym.h
new file mode 100644
index 0000000..0f481e0
--- /dev/null
+++ b/sys/sys/assym.h
@@ -0,0 +1,42 @@
+/*-
+ * Copyright (c) 1999 Marcel Moolenaar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer 
+ *    in this position and unchanged.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _SYS_ASSYM_H_
+#define	_SYS_ASSYM_H_
+
+#ifndef ASSYM
+#define	ASSYM(sym, v)		unsigned long sym = (unsigned long)v
+#endif
+
+#define	ASSYM_SELF(sym)		ASSYM(assym_##sym, sym)
+#define	ASSYM_CONST(sym, v)	ASSYM(assym_##sym, v)
+#define	ASSYM_OFFSET(sym, s, m)	ASSYM(assym_##sym, (&((struct s*)0)->m))
+
+#endif /* !_SYS_ASSYM_H_ */