Initial Import from SVN

include/nlist.h

@@ -0,0 +1,75 @@
+/*-
+ * Copyright (c) 1991 The Regents of the University of California.
+ * 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.
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ */
+#ifndef	_NLIST_H_
+#define	_NLIST_H_
+#include <sys/types.h>
+
+/*
+ * Symbol table entry format.
+ */
+struct	nlist {
+	char    *n_name;	/* In memory address of symbol name,
+	                           or string table offset (file) */
+	u_short	n_len;		/* Length of name in bytes */
+	u_short	n_type;		/* Type of symbol - see below */
+	u_int	n_value;	/* Symbol value */
+};
+
+/*
+ * Simple values for n_type.
+ */
+#define	N_UNDF	0x00		/* undefined */
+#define	N_ABS	0x01		/* absolute */
+#define	N_TEXT	0x02		/* text segment */
+#define	N_DATA	0x03		/* data segment */
+#define	N_BSS	0x04		/* bss segment */
+#define	N_STRNG	0x05		/* string segment (for assembler) */
+#define	N_COMM	0x06		/* .comm segment (for assembler) */
+#define	N_FN	0x1f		/* file name */
+
+#define	N_TYPE	0x1f		/* mask for all the type bits */
+#define	N_EXT	0x20		/* external (global) bit, OR'ed in */
+#define	N_WEAK	0x40		/* weak reference bit, OR'ed in */
+#define	N_LOC	0x80		/* local, for assembler */
+
+/*
+ * Get symbols from a file.
+ */
+int nlist (char *name, struct nlist *list);
+
+/*
+ * Get kernel symbols.
+ */
+int knlist (struct nlist *list);
+
+#endif	/* !_NLIST_H_ */