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authorThomas Bushnell <thomas@gnu.org>1997-02-25 21:28:37 +0000
committerThomas Bushnell <thomas@gnu.org>1997-02-25 21:28:37 +0000
commitf07a4c844da9f0ecae5bbee1ab94be56505f26f7 (patch)
tree12b07c7e578fc1a5f53dbfde2632408491ff2a70 /kern/syscall_sw.h
Initial source
Diffstat (limited to 'kern/syscall_sw.h')
-rw-r--r--kern/syscall_sw.h51
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diff --git a/kern/syscall_sw.h b/kern/syscall_sw.h
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+++ b/kern/syscall_sw.h
@@ -0,0 +1,51 @@
+/*
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * 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 Mellon
+ * the rights to redistribute these changes.
+ */
+
+#ifndef _KERN_SYSCALL_SW_H_
+#define _KERN_SYSCALL_SW_H_
+
+/*
+ * mach_trap_stack indicates the trap may discard
+ * its kernel stack. Some architectures may need
+ * to save more state in the pcb for these traps.
+ */
+
+typedef struct {
+ int mach_trap_arg_count;
+ int (*mach_trap_function)();
+ boolean_t mach_trap_stack;
+ int mach_trap_unused;
+} mach_trap_t;
+
+extern mach_trap_t mach_trap_table[];
+extern int mach_trap_count;
+
+#define MACH_TRAP(name, arg_count) \
+ { (arg_count), (int (*)()) (name), FALSE, 0 }
+#define MACH_TRAP_STACK(name, arg_count) \
+ { (arg_count), (int (*)()) (name), TRUE, 0 }
+
+#endif _KERN_SYSCALL_SW_H_