1 /* Definitions for symbol-reading containing "stabs", for GDB. 2 Copyright (C) 1992-2020 Free Software Foundation, Inc. 3 Contributed by Cygnus Support. Written by John Gilmore. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #ifndef GDB_STABS_H 21 #define GDB_STABS_H 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 30 /* Information is passed among various dbxread routines for accessing 31 symbol files. A pointer to this structure is kept in the objfile, 32 using the dbx_objfile_data_key. */ 33 34 struct dbx_symfile_info 35 { 36 ~dbx_symfile_info (); 37 38 CORE_ADDR text_addr = 0; /* Start of text section */ 39 int text_size = 0; /* Size of text section */ 40 int symcount = 0; /* How many symbols are there in the file */ 41 char *stringtab = nullptr; /* The actual string table */ 42 int stringtab_size = 0; /* Its size */ 43 file_ptr symtab_offset = 0; /* Offset in file to symbol table */ 44 int symbol_size = 0; /* Bytes in a single symbol */ 45 46 /* See stabsread.h for the use of the following. */ 47 struct header_file *header_files = nullptr; 48 int n_header_files = 0; 49 int n_allocated_header_files = 0; 50 51 /* Pointers to BFD sections. These are used to speed up the building of 52 minimal symbols. */ 53 asection *text_section = nullptr; 54 asection *data_section = nullptr; 55 asection *bss_section = nullptr; 56 57 /* Pointer to the separate ".stab" section, if there is one. */ 58 asection *stab_section = nullptr; 59 }; 60 61 /* The tag used to find the DBX info attached to an objfile. This is 62 global because it is referenced by several modules. */ 63 extern objfile_key<dbx_symfile_info> dbx_objfile_data_key; 64 65 #define DBX_SYMFILE_INFO(o) (dbx_objfile_data_key.get (o)) 66 #define DBX_TEXT_ADDR(o) (DBX_SYMFILE_INFO(o)->text_addr) 67 #define DBX_TEXT_SIZE(o) (DBX_SYMFILE_INFO(o)->text_size) 68 #define DBX_SYMCOUNT(o) (DBX_SYMFILE_INFO(o)->symcount) 69 #define DBX_STRINGTAB(o) (DBX_SYMFILE_INFO(o)->stringtab) 70 #define DBX_STRINGTAB_SIZE(o) (DBX_SYMFILE_INFO(o)->stringtab_size) 71 #define DBX_SYMTAB_OFFSET(o) (DBX_SYMFILE_INFO(o)->symtab_offset) 72 #define DBX_SYMBOL_SIZE(o) (DBX_SYMFILE_INFO(o)->symbol_size) 73 #define DBX_TEXT_SECTION(o) (DBX_SYMFILE_INFO(o)->text_section) 74 #define DBX_DATA_SECTION(o) (DBX_SYMFILE_INFO(o)->data_section) 75 #define DBX_BSS_SECTION(o) (DBX_SYMFILE_INFO(o)->bss_section) 76 #define DBX_STAB_SECTION(o) (DBX_SYMFILE_INFO(o)->stab_section) 77 78 #endif /* GDB_STABS_H */ 79