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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [gdb-stabs.h] - Blame information for rev 1765

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1 104 markom
/* Definitions for symbol-reading containing "stabs", for GDB.
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   Copyright 1992 Free Software Foundation, Inc.
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   Contributed by Cygnus Support.  Written by John Gilmore.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 2 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place - Suite 330,
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   Boston, MA 02111-1307, USA.  */
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/* This file exists to hold the common definitions required of most of
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   the symbol-readers that end up using stabs.  The common use of
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   these `symbol-type-specific' customizations of the generic data
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   structures makes the stabs-oriented symbol readers able to call
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   each others' functions as required.  */
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#if !defined (GDBSTABS_H)
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#define GDBSTABS_H
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/* Offsets in the psymtab's section_offsets array for various kinds of
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   stabs symbols.  Every psymtab built from stabs will have these offsets
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   filled in by these guidelines, so that when actually reading symbols, the
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   proper offset can simply be selected and added to the symbol value.  */
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#define SECT_OFF_TEXT   0
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#define SECT_OFF_DATA   1
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#define SECT_OFF_BSS    2
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#define SECT_OFF_RODATA 3
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#define SECT_OFF_MAX    40      /* Count of possible values */
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/* The stab_section_info chain remembers info from the ELF symbol table,
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   while psymtabs are being built for the other symbol tables in the
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   objfile.  It is destroyed at the complation of psymtab-reading.
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   Any info that was used from it has been copied into psymtabs.  */
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struct stab_section_info
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  {
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    char *filename;
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    CORE_ADDR sections[SECT_OFF_MAX];
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    struct stab_section_info *next;
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    int found;                  /* Count of times it's found in searching */
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  };
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/* Information is passed among various dbxread routines for accessing
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   symbol files.  A pointer to this structure is kept in the sym_stab_info
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   field of the objfile struct.  */
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struct dbx_symfile_info
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  {
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    CORE_ADDR text_addr;        /* Start of text section */
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    int text_size;              /* Size of text section */
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    int symcount;               /* How many symbols are there in the file */
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    char *stringtab;            /* The actual string table */
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    int stringtab_size;         /* Its size */
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    file_ptr symtab_offset;     /* Offset in file to symbol table */
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    int symbol_size;            /* Bytes in a single symbol */
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    struct stab_section_info *stab_section_info;        /* section starting points
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                                                           of the original .o files before linking. */
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    /* See stabsread.h for the use of the following. */
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    struct header_file *header_files;
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    int n_header_files;
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    int n_allocated_header_files;
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    /* Pointers to BFD sections.  These are used to speed up the building of
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       minimal symbols.  */
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    asection *text_section;
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    asection *data_section;
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    asection *bss_section;
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  };
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#define DBX_SYMFILE_INFO(o)     ((o)->sym_stab_info)
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#define DBX_TEXT_ADDR(o)        (DBX_SYMFILE_INFO(o)->text_addr)
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#define DBX_TEXT_SIZE(o)        (DBX_SYMFILE_INFO(o)->text_size)
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#define DBX_SYMCOUNT(o)         (DBX_SYMFILE_INFO(o)->symcount)
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#define DBX_STRINGTAB(o)        (DBX_SYMFILE_INFO(o)->stringtab)
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#define DBX_STRINGTAB_SIZE(o)   (DBX_SYMFILE_INFO(o)->stringtab_size)
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#define DBX_SYMTAB_OFFSET(o)    (DBX_SYMFILE_INFO(o)->symtab_offset)
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#define DBX_SYMBOL_SIZE(o)      (DBX_SYMFILE_INFO(o)->symbol_size)
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#define DBX_TEXT_SECTION(o)     (DBX_SYMFILE_INFO(o)->text_section)
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#define DBX_DATA_SECTION(o)     (DBX_SYMFILE_INFO(o)->data_section)
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#define DBX_BSS_SECTION(o)      (DBX_SYMFILE_INFO(o)->bss_section)
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#endif /* GDBSTABS_H */

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