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+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/* Copyright (c) 1988 AT&T */
+/* All Rights Reserved */
+
+
+#ifndef _SYMS_H
+#define _SYMS_H
+
+#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 2.8 */
+
+/* Storage Classes are defined in storclass.h */
+#include <storclass.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Number of characters in a symbol name */
+#define SYMNMLEN 8
+/* Number of characters in a file name */
+#define FILNMLEN 14
+/* Number of array dimensions in auxiliary entry */
+#define DIMNUM 4
+
+struct syment
+{
+ union
+ {
+ char _n_name[SYMNMLEN]; /* old COFF version */
+ struct
+ {
+ long _n_zeroes; /* new == 0 */
+ long _n_offset; /* offset into string table */
+ } _n_n;
+ char *_n_nptr[2]; /* allows for overlaying */
+ } _n;
+ unsigned long n_value; /* value of symbol */
+ short n_scnum; /* section number */
+ unsigned short n_type; /* type and derived type */
+ char n_sclass; /* storage class */
+ char n_numaux; /* number of aux. entries */
+};
+
+#define n_name _n._n_name
+#define n_nptr _n._n_nptr[1]
+#define n_zeroes _n._n_n._n_zeroes
+#define n_offset _n._n_n._n_offset
+
+/*
+ * Relocatable symbols have a section number of the
+ * section in which they are defined. Otherwise, section
+ * numbers have the following meanings:
+ */
+ /* undefined symbol */
+#define N_UNDEF 0
+ /* value of symbol is absolute */
+#define N_ABS -1
+ /* special debugging symbol -- value of symbol is meaningless */
+#define N_DEBUG -2
+ /* indicates symbol needs transfer vector (preload) */
+#define N_TV (unsigned short)-3
+
+ /* indicates symbol needs transfer vector (postload) */
+
+#define P_TV (unsigned short)-4
+
+/*
+ * The fundamental type of a symbol packed into the low
+ * 4 bits of the word.
+ */
+
+#define _EF ".ef"
+
+#define T_NULL 0
+#define T_ARG 1 /* function argument (only used by compiler) */
+#define T_CHAR 2 /* character */
+#define T_SHORT 3 /* short integer */
+#define T_INT 4 /* integer */
+#define T_LONG 5 /* long integer */
+#define T_FLOAT 6 /* floating point */
+#define T_DOUBLE 7 /* double word */
+#define T_STRUCT 8 /* structure */
+#define T_UNION 9 /* union */
+#define T_ENUM 10 /* enumeration */
+#define T_MOE 11 /* member of enumeration */
+#define T_UCHAR 12 /* unsigned character */
+#define T_USHORT 13 /* unsigned short */
+#define T_UINT 14 /* unsigned integer */
+#define T_ULONG 15 /* unsigned long */
+
+/*
+ * derived types are:
+ */
+
+#define DT_NON 0 /* no derived type */
+#define DT_PTR 1 /* pointer */
+#define DT_FCN 2 /* function */
+#define DT_ARY 3 /* array */
+
+/*
+ * type packing constants
+ */
+
+#define N_BTMASK 017
+#define N_TMASK 060
+#define N_TMASK1 0300
+#define N_TMASK2 0360
+#define N_BTSHFT 4
+#define N_TSHIFT 2
+
+/*
+ * MACROS
+ */
+
+ /* Basic Type of x */
+
+#define BTYPE(x) ((x) & N_BTMASK)
+
+ /* Is x a pointer ? */
+
+#define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
+
+ /* Is x a function ? */
+
+#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
+
+ /* Is x an array ? */
+
+#define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT))
+
+ /* Is x a structure, union, or enumeration TAG? */
+
+#define ISTAG(x) ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG)
+
+#define INCREF(x) ((((x)&~N_BTMASK)<<N_TSHIFT)|(DT_PTR<<N_BTSHFT)|(x&N_BTMASK))
+
+#define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))
+
+/*
+ * AUXILIARY ENTRY FORMAT
+ */
+
+union auxent
+{
+ struct
+ {
+ long x_tagndx; /* str, un, or enum tag indx */
+ union
+ {
+ struct
+ {
+ unsigned short x_lnno; /* declaration line */
+ /* number */
+ unsigned short x_size; /* str, union, array */
+ /* size */
+ } x_lnsz;
+ long x_fsize; /* size of function */
+ } x_misc;
+ union
+ {
+ struct /* if ISFCN, tag, or .bb */
+ {
+ long x_lnnoptr; /* ptr to fcn line # */
+ long x_endndx; /* entry ndx past */
+ /* block end */
+ } x_fcn;
+ struct /* if ISARY, up to 4 dimen. */
+ {
+ unsigned short x_dimen[DIMNUM];
+ } x_ary;
+ } x_fcnary;
+ unsigned short x_tvndx; /* tv index */
+ } x_sym;
+ struct
+ {
+ char x_fname[FILNMLEN];
+ } x_file;
+ struct
+ {
+ long x_scnlen; /* section length */
+ unsigned short x_nreloc; /* number of reloc entries */
+ unsigned short x_nlinno; /* number of line numbers */
+ } x_scn;
+
+ struct
+ {
+ long x_tvfill; /* tv fill value */
+ unsigned short x_tvlen; /* length of .tv */
+ unsigned short x_tvran[2]; /* tv range */
+ } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
+};
+
+#define SYMENT struct syment
+#define SYMESZ 18 /* sizeof(SYMENT) */
+
+#define AUXENT union auxent
+#define AUXESZ 18 /* sizeof(AUXENT) */
+
+/* Defines for "special" symbols */
+
+#define _ETEXT "etext"
+#define _EDATA "edata"
+#define _END "end"
+#define _START "_start"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYMS_H */