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