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[/] [eco32/] [trunk/] [lcc/] [src/] [stab.h] - Blame information for rev 252

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Line No. Rev Author Line
1 4 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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