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hellwig |
/* @(#)stab.h 1.11 92/05/11 SMI */
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/* $Id: stab.h,v 1.1 2002/08/28 23:12:46 drh Exp $ */
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/*
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* Copyright (c) 1990 by Sun Microsystems, Inc.
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*/
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/*
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* This file gives definitions supplementing <a.out.h>
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* for permanent symbol table entries.
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* These must have one of the N_STAB bits on,
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* and are subject to relocation according to the masks in <a.out.h>.
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*/
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#ifndef _STAB_H
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#define _STAB_H
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#if !defined(_a_out_h) && !defined(_A_OUT_H)
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/* this file contains fragments of a.out.h and stab.h relevant to
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* support of stabX processing within ELF files - see the
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* Format of a symbol table entry
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*/
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struct nlist {
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union {
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char *n_name; /* for use when in-core */
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long n_strx; /* index into file string table */
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} n_un;
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unsigned char n_type; /* type flag (N_TEXT,..) */
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char n_other; /* unused */
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short n_desc; /* see <stab.h> */
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unsigned long n_value; /* value of symbol (or sdb offset) */
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};
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/*
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* Simple values for n_type.
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*/
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#define N_UNDF 0x0 /* undefined */
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#define N_ABS 0x2 /* absolute */
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#define N_TEXT 0x4 /* text */
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#define N_DATA 0x6 /* data */
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#define N_BSS 0x8 /* bss */
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#define N_COMM 0x12 /* common (internal to ld) */
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#define N_FN 0x1f /* file name symbol */
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#define N_EXT 01 /* external bit, or'ed in */
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#define N_TYPE 0x1e /* mask for all the type bits */
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#endif
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/*
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* for symbolic debugger, sdb(1):
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*/
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#define N_GSYM 0x20 /* global symbol: name,,0,type,0 */
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#define N_FNAME 0x22 /* procedure name (f77 kludge): name,,0 */
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#define N_FUN 0x24 /* procedure: name,,0,linenumber,address */
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#define N_STSYM 0x26 /* static symbol: name,,0,type,address */
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#define N_LCSYM 0x28 /* .lcomm symbol: name,,0,type,address */
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#define N_MAIN 0x2a /* name of main routine : name,,0,0,0 */
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#define N_ROSYM 0x2c /* ro_data objects */
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#define N_OBJ 0x38 /* object file path or name */
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#define N_OPT 0x3c /* compiler options */
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#define N_RSYM 0x40 /* register sym: name,,0,type,register */
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#define N_SLINE 0x44 /* src line: 0,,0,linenumber,address */
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#define N_FLINE 0x4c /* function start.end */
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#define N_SSYM 0x60 /* structure elt: name,,0,type,struct_offset */
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#define N_ENDM 0x62 /* last stab emitted for module */
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#define N_SO 0x64 /* source file name: name,,0,0,address */
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#define N_LSYM 0x80 /* local sym: name,,0,type,offset */
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#define N_BINCL 0x82 /* header file: name,,0,0,0 */
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#define N_SOL 0x84 /* #included file name: name,,0,0,address */
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#define N_PSYM 0xa0 /* parameter: name,,0,type,offset */
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#define N_EINCL 0xa2 /* end of include file */
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#define N_ENTRY 0xa4 /* alternate entry: name,linenumber,address */
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#define N_LBRAC 0xc0 /* left bracket: 0,,0,nesting level,address */
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#define N_EXCL 0xc2 /* excluded include file */
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#define N_RBRAC 0xe0 /* right bracket: 0,,0,nesting level,address */
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#define N_BCOMM 0xe2 /* begin common: name,, */
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#define N_ECOMM 0xe4 /* end common: name,, */
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#define N_ECOML 0xe8 /* end common (local name): ,,address */
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#define N_LENG 0xfe /* second stab entry with length information */
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/*
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* for the berkeley pascal compiler, pc(1):
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*/
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#define N_PC 0x30 /* global pascal symbol: name,,0,subtype,line */
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#define N_WITH 0xea /* pascal with statement: type,,0,0,offset */
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/*
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* for code browser only
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*/
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#define N_BROWS 0x48 /* path to associated .cb file */
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/*
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* Optional langauge designations for N_SO
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*/
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#define N_SO_AS 1 /* Assembler */
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#define N_SO_C 2 /* C */
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#define N_SO_ANSI_C 3 /* ANSI C */
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#define N_SO_CC 4 /* C++ */
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#define N_SO_FORTRAN 5 /* Fortran 77 */
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#define N_SO_PASCAL 6 /* Pascal */
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/*
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* Floating point type values
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*/
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#define NF_NONE 0 /* Undefined type */
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#define NF_SINGLE 1 /* IEEE 32 bit float */
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#define NF_DOUBLE 2 /* IEEE 64 bit float */
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#define NF_COMPLEX 3 /* Fortran complex */
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#define NF_COMPLEX16 4 /* Fortran double complex */
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#define NF_COMPLEX32 5 /* Fortran complex*16 */
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#define NF_LDOUBLE 6 /* Long double */
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#endif
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