| 1 | /* Definitions for symbol-reading containing "stabs", for GDB. |
| 2 | Copyright 1992, 1993, 1995, 1996, 1997, 1999, 2000 |
| 3 | Free Software Foundation, Inc. |
| 4 | Contributed by Cygnus Support. Written by John Gilmore. |
| 5 | |
| 6 | This file is part of GDB. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 21 | Boston, MA 02111-1307, USA. */ |
| 22 | |
| 23 | /* This file exists to hold the common definitions required of most of |
| 24 | the symbol-readers that end up using stabs. The common use of |
| 25 | these `symbol-type-specific' customizations of the generic data |
| 26 | structures makes the stabs-oriented symbol readers able to call |
| 27 | each others' functions as required. */ |
| 28 | |
| 29 | #if !defined (GDBSTABS_H) |
| 30 | #define GDBSTABS_H |
| 31 | |
| 32 | #define SECT_OFF_MAX 64 /* Count of possible values */ |
| 33 | |
| 34 | /* The stab_section_info chain remembers info from the ELF symbol table, |
| 35 | while psymtabs are being built for the other symbol tables in the |
| 36 | objfile. It is destroyed at the complation of psymtab-reading. |
| 37 | Any info that was used from it has been copied into psymtabs. */ |
| 38 | |
| 39 | struct stab_section_info |
| 40 | { |
| 41 | char *filename; |
| 42 | CORE_ADDR sections[SECT_OFF_MAX]; |
| 43 | struct stab_section_info *next; |
| 44 | int found; /* Count of times it's found in searching */ |
| 45 | }; |
| 46 | |
| 47 | /* Information is passed among various dbxread routines for accessing |
| 48 | symbol files. A pointer to this structure is kept in the sym_stab_info |
| 49 | field of the objfile struct. */ |
| 50 | |
| 51 | struct dbx_symfile_info |
| 52 | { |
| 53 | CORE_ADDR text_addr; /* Start of text section */ |
| 54 | int text_size; /* Size of text section */ |
| 55 | int symcount; /* How many symbols are there in the file */ |
| 56 | char *stringtab; /* The actual string table */ |
| 57 | int stringtab_size; /* Its size */ |
| 58 | file_ptr symtab_offset; /* Offset in file to symbol table */ |
| 59 | int symbol_size; /* Bytes in a single symbol */ |
| 60 | struct stab_section_info *stab_section_info; /* section starting points |
| 61 | of the original .o files before linking. */ |
| 62 | |
| 63 | /* See stabsread.h for the use of the following. */ |
| 64 | struct header_file *header_files; |
| 65 | int n_header_files; |
| 66 | int n_allocated_header_files; |
| 67 | |
| 68 | /* Pointers to BFD sections. These are used to speed up the building of |
| 69 | minimal symbols. */ |
| 70 | asection *text_section; |
| 71 | asection *data_section; |
| 72 | asection *bss_section; |
| 73 | |
| 74 | /* Pointer to the separate ".stab" section, if there is one. */ |
| 75 | asection *stab_section; |
| 76 | }; |
| 77 | |
| 78 | #define DBX_SYMFILE_INFO(o) ((o)->sym_stab_info) |
| 79 | #define DBX_TEXT_ADDR(o) (DBX_SYMFILE_INFO(o)->text_addr) |
| 80 | #define DBX_TEXT_SIZE(o) (DBX_SYMFILE_INFO(o)->text_size) |
| 81 | #define DBX_SYMCOUNT(o) (DBX_SYMFILE_INFO(o)->symcount) |
| 82 | #define DBX_STRINGTAB(o) (DBX_SYMFILE_INFO(o)->stringtab) |
| 83 | #define DBX_STRINGTAB_SIZE(o) (DBX_SYMFILE_INFO(o)->stringtab_size) |
| 84 | #define DBX_SYMTAB_OFFSET(o) (DBX_SYMFILE_INFO(o)->symtab_offset) |
| 85 | #define DBX_SYMBOL_SIZE(o) (DBX_SYMFILE_INFO(o)->symbol_size) |
| 86 | #define DBX_TEXT_SECTION(o) (DBX_SYMFILE_INFO(o)->text_section) |
| 87 | #define DBX_DATA_SECTION(o) (DBX_SYMFILE_INFO(o)->data_section) |
| 88 | #define DBX_BSS_SECTION(o) (DBX_SYMFILE_INFO(o)->bss_section) |
| 89 | #define DBX_STAB_SECTION(o) (DBX_SYMFILE_INFO(o)->stab_section) |
| 90 | |
| 91 | #endif /* GDBSTABS_H */ |