Import sources from NetBSD, tweaked for building in FreeBSD.

1 files changed, 78 insertions, 0 deletions

diff --git a/lib/libc/alpha/SYS.h b/lib/libc/alpha/SYS.h
new file mode 100644
index 0000000..76daf5a
--- /dev/null
+++ b/lib/libc/alpha/SYS.h
@@ -0,0 +1,78 @@
+/* $Id$ */
+/*	From: NetBSD: SYS.h,v 1.5 1997/05/02 18:15:15 kleink Exp */
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <machine/asm.h>
+#include <sys/netbsd_syscall.h>
+
+
+#define	CALLSYS_ERROR(name)					\
+	CALLSYS_NOERROR(name);					\
+	br	gp, LLABEL(name,0);				\
+LLABEL(name,0):							\
+	LDGP(gp);						\
+	beq	a3, LLABEL(name,1);				\
+	jmp	zero, cerror;					\
+LLABEL(name,1):
+
+
+#define	SYSCALL(name)						\
+LEAF(name,0);				/* XXX # of args? */	\
+	CALLSYS_ERROR(name)
+
+#define	SYSCALL_NOERROR(name)					\
+LEAF(name,0);				/* XXX # of args? */	\
+	CALLSYS_NOERROR(name)
+
+
+#define RSYSCALL(name)						\
+	SYSCALL(name);						\
+	RET;							\
+END(name)
+
+#define RSYSCALL_NOERROR(name)					\
+	SYSCALL_NOERROR(name);					\
+	RET;							\
+END(name)
+
+
+#define	PSEUDO(label,name)					\
+LEAF(label,0);				/* XXX # of args? */	\
+	CALLSYS_ERROR(name);					\
+	RET;							\
+END(label);
+
+#define	PSEUDO_NOERROR(label,name)				\
+LEAF(label,0);				/* XXX # of args? */	\
+	CALLSYS_NOERROR(name);					\
+	RET;							\
+END(label);
+
+#define	PRSYSCALL(x)	RSYSCALL(x)
+#define	PPSEUDO(x,y)	PSEUDO(x,y)