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Annotation of GNUtools/cctools/as/struc-symbol.h, revision 1.1.1.1

1.1       root        1: /* struct_symbol.h - Internal symbol structure
                      2:    Copyright (C) 1987 Free Software Foundation, Inc.
                      3: 
                      4: This file is part of GAS, the GNU Assembler.
                      5: 
                      6: GAS is free software; you can redistribute it and/or modify
                      7: it under the terms of the GNU General Public License as published by
                      8: the Free Software Foundation; either version 1, or (at your option)
                      9: any later version.
                     10: 
                     11: GAS is distributed in the hope that it will be useful,
                     12: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14: GNU General Public License for more details.
                     15: 
                     16: You should have received a copy of the GNU General Public License
                     17: along with GAS; see the file COPYING.  If not, write to
                     18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
                     19: 
                     20: #ifdef NeXT
                     21: #import <mach-o/nlist.h>
                     22: #else /* !defined(NeXT) */
                     23: #ifndef                VMS
                     24: #include "a.out.h"             /* Needed to define struct nlist. Sigh. */
                     25: #else
                     26: #include "a_out.h"
                     27: #endif
                     28: #endif /* defined(NeXT) */
                     29: 
                     30: struct symbol                  /* our version of an nlist node */
                     31: {
                     32:   struct nlist sy_nlist;       /* what we write in .o file (if permitted) */
                     33:   long unsigned sy_name_offset;        /* 1-origin position of sy_name in symbols */
                     34:                                /* part of object file. */
                     35:                                /* 0 for (nameless) .stabd symbols. */
                     36:                                /* Not used until write_object() time. */
                     37:   long int     sy_number;      /* 24 bit symbol number. */
                     38:                                /* Symbol numbers start at 0 and are */
                     39:                                /* unsigned. */
                     40:   struct symbol *sy_next;      /* forward chain, or NULL */
                     41:   struct frag   *sy_frag;      /* NULL or -> frag this symbol attaches to. */
                     42:   struct symbol *sy_forward;   /* value is really that of this other symbol */
                     43: };
                     44: 
                     45: typedef struct symbol symbolS;
                     46: 
                     47: #define sy_name                sy_nlist .n_un. n_name
                     48:                                /* Name field always points to a string. */
                     49:                                /* 0 means .stabd-like anonymous symbol. */
                     50: #define sy_type        sy_nlist.       n_type
                     51: #ifdef NeXT
                     52: #define sy_other       sy_nlist.       n_sect
                     53: #else
                     54: #define sy_other       sy_nlist.       n_other
                     55: #endif
                     56: #define sy_desc                sy_nlist.       n_desc
                     57: #define sy_value       sy_nlist.       n_value
                     58:                                /* Value of symbol is this value + object */
                     59:                                /* file address of sy_frag. */
                     60: typedef unsigned valueT;       /* The type of n_value. Helps casting. */
                     61: 
                     62: struct indirect_symbol {
                     63:   char                  *isy_name;     /* name of the indirect */
                     64:   struct frag           *isy_frag;     /* frag this indirect attaches to */
                     65:   unsigned long                  isy_offset;   /* offset into frag this attaches to */
                     66:   struct symbol                 *isy_symbol;   /* symbol for the indirect */
                     67:   struct indirect_symbol *isy_next;    /* forward chain, or NULL */
                     68: };
                     69: typedef struct indirect_symbol isymbolS;

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