Initial source

1 files changed, 63 insertions, 0 deletions

diff --git a/ddb/nlist.h b/ddb/nlist.h
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+/*
+ * Mach Operating System
+ * Copyright (c) 1991 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.
+ */
+/*
+ *  nlist.h - symbol table entry  structure for an a.out file
+ *  derived from FSF's a.out.gnu.h
+ *
+ */
+
+#ifndef _DDB_NLIST_H_
+#define _DDB_NLIST_H_
+
+struct	nlist {
+	union n_un {
+	    char	*n_name;	/* symbol name */
+	    long	n_strx;		/* index into file string table */
+	} n_un;
+	unsigned char n_type;	/* type flag, i.e. N_TEXT etc; see below */
+	unsigned char n_other;	/* machdep uses */
+	short	n_desc;		/* see <stab.h> */
+#if alpha
+	int	n_pad;		/* alignment, used to carry framesize info */
+#endif
+	vm_offset_t n_value;	/* value of this symbol (or sdb offset) */
+};
+
+/*
+ * Simple values for n_type.
+ */
+#define	N_UNDF	0		/* undefined */
+#define	N_ABS	2		/* absolute */
+#define	N_TEXT	4		/* text */
+#define	N_DATA	6		/* data */
+#define	N_BSS	8		/* bss */
+#define	N_FN	0x1f		/* file name symbol */
+#define	N_EXT	1		/* external bit, or'ed in */
+#define	N_TYPE	0x1e		/* mask for all the type bits */
+#define	N_STAB	0xe0		/* if any of these bits set, a SDB entry */
+
+
+#endif /* _DDB_NLIST_H_ */