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/* Definitions for symbol-reading containing "stabs", for GDB.
Copyright (C) 1992-2013 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 3 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, see <http://www.gnu.org/licenses/>. */
/* 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
/* The tag used to find the DBX info attached to an objfile. This is
global because it is referenced by several modules. */
extern const struct objfile_data *dbx_objfile_data_key;
/* 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;
struct stab_section_info *next;
int found; /* Count of times it's found in searching. */
size_t num_sections;
CORE_ADDR sections[1];
};
/* Information is passed among various dbxread routines for accessing
symbol files. A pointer to this structure is kept in the objfile,
using the dbx_objfile_data_key. */
struct dbx_symfile_info
{
CORE_ADDR text_addr; /* Start of text section */
int text_size; /* Size of text section */
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. */
/* See stabsread.h for the use of the following. */
struct header_file *header_files;
int n_header_files;
int n_allocated_header_files;
/* Pointers to BFD sections. These are used to speed up the building of
minimal symbols. */
asection *text_section;
asection *data_section;
asection *bss_section;
/* Pointer to the separate ".stab" section, if there is one. */
asection *stab_section;
};
#define DBX_SYMFILE_INFO(o) \
((struct dbx_symfile_info *) objfile_data ((o), dbx_objfile_data_key))
#define DBX_TEXT_ADDR(o) (DBX_SYMFILE_INFO(o)->text_addr)
#define DBX_TEXT_SIZE(o) (DBX_SYMFILE_INFO(o)->text_size)
#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)
#define DBX_TEXT_SECTION(o) (DBX_SYMFILE_INFO(o)->text_section)
#define DBX_DATA_SECTION(o) (DBX_SYMFILE_INFO(o)->data_section)
#define DBX_BSS_SECTION(o) (DBX_SYMFILE_INFO(o)->bss_section)
#define DBX_STAB_SECTION(o) (DBX_SYMFILE_INFO(o)->stab_section)
#endif /* GDBSTABS_H */
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