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Diffstat (limited to 'gdb/gdb-stabs.h')
| -rw-r--r-- | gdb/gdb-stabs.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/gdb/gdb-stabs.h b/gdb/gdb-stabs.h new file mode 100644 index 0000000..1ad782a --- /dev/null +++ b/gdb/gdb-stabs.h @@ -0,0 +1,92 @@ +/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 { + 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; +}; + +#define DBX_SYMFILE_INFO(o) ((o)->sym_stab_info) +#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) + +#endif /* GDBSTABS_H */ |