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-rw-r--r--lib/libc/alpha/SYS.h78
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diff --git a/lib/libc/alpha/SYS.h b/lib/libc/alpha/SYS.h
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+/* 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <machine/asm.h>
+#ifdef __NETBSD_SYSCALLS
+#include <sys/netbsd_syscall.h>
+#else
+#include <sys/syscall.h>
+#endif
+
+#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(__CONCAT(__sys_,name),0); /* XXX # of args? */ \
+ WEAK_ALIAS(name, __CONCAT(__sys_,name)); \
+ WEAK_ALIAS(__CONCAT(_,name), __CONCAT(__sys_,name)); \
+ CALLSYS_ERROR(name)
+
+#define SYSCALL_NOERROR(name) \
+LEAF(__CONCAT(__sys_,name),0); /* XXX # of args? */ \
+ WEAK_ALIAS(name, __CONCAT(__sys_,name)); \
+ WEAK_ALIAS(__CONCAT(_,name), __CONCAT(__sys_,name)); \
+ CALLSYS_NOERROR(name)
+
+
+#define RSYSCALL(name) \
+ SYSCALL(name); \
+ RET; \
+END(__CONCAT(__sys_,name))
+
+#define RSYSCALL_NOERROR(name) \
+ SYSCALL_NOERROR(name); \
+ RET; \
+END(__CONCAT(__sys_,name))
+
+
+#define PSEUDO(name) \
+LEAF(__CONCAT(__sys_,name),0); /* XXX # of args? */ \
+ WEAK_ALIAS(__CONCAT(_,name), __CONCAT(__sys_, name)); \
+ CALLSYS_ERROR(name); \
+ RET; \
+END(__CONCAT(__sys_,name))
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