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- /* Definitions for symbol-reading containing "stabs", for GDB.
- Copyright 1992 Free Software Foundation, Inc.
- Contributed by Cygnus Support. Written by John Gilmore.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* This file exists to hold the common definitions required of most of
- the symbol-readers that end up using stabs. The common use of
- these `symbol-type-specific' customizations of the generic data
- structures makes the stabs-oriented symbol readers able to call
- each others' functions as required. */
-
- #if !defined (GDBSTABS_H)
- #define GDBSTABS_H
-
- /* Offsets in the psymtab's section_offsets array for various kinds of
- stabs symbols. Every psymtab built from stabs will have these offsets
- filled in by these guidelines, so that when actually reading symbols, the
- proper offset can simply be selected and added to the symbol value. */
-
- #define SECT_OFF_TEXT 0
- #define SECT_OFF_DATA 1
- #define SECT_OFF_BSS 2
- #define SECT_OFF_RODATA 3
- #define SECT_OFF_MAX 4 /* Count of possible values */
-
- /* The stab_section_info chain remembers info from the ELF symbol table,
- while psymtabs are being built for the other symbol tables in the
- objfile. It is destroyed at the complation of psymtab-reading.
- Any info that was used from it has been copied into psymtabs. */
-
- struct stab_section_info {
- char *filename;
- CORE_ADDR sections[SECT_OFF_MAX];
- struct stab_section_info *next;
- int found; /* Count of times it's found in searching */
- };
-
- /* Information is passed among various dbxread routines for accessing
- symbol files. A pointer to this structure is kept in the sym_stab_info
- field of the objfile struct. */
-
- struct dbx_symfile_info {
- asection *text_sect; /* Text section accessor */
- int symcount; /* How many symbols are there in the file */
- char *stringtab; /* The actual string table */
- int stringtab_size; /* Its size */
- file_ptr symtab_offset; /* Offset in file to symbol table */
- int symbol_size; /* Bytes in a single symbol */
- struct stab_section_info *stab_section_info; /* section starting points
- of the original .o files before linking. */
- };
-
- #define DBX_SYMFILE_INFO(o) ((struct dbx_symfile_info *)((o)->sym_stab_info))
- #define DBX_TEXT_SECT(o) (DBX_SYMFILE_INFO(o)->text_sect)
- #define DBX_SYMCOUNT(o) (DBX_SYMFILE_INFO(o)->symcount)
- #define DBX_STRINGTAB(o) (DBX_SYMFILE_INFO(o)->stringtab)
- #define DBX_STRINGTAB_SIZE(o) (DBX_SYMFILE_INFO(o)->stringtab_size)
- #define DBX_SYMTAB_OFFSET(o) (DBX_SYMFILE_INFO(o)->symtab_offset)
- #define DBX_SYMBOL_SIZE(o) (DBX_SYMFILE_INFO(o)->symbol_size)
-
- #endif /* GDBSTABS_H */
-