/* Definitions for symbol-reading containing "stabs", for GDB.
- Copyright 1992 Free Software Foundation, Inc.
+ Copyright (C) 1992-2024 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by John Gilmore.
-This file is part of GDB.
+ 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 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.
+ 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef GDB_STABS_H
+#define GDB_STABS_H
/* This file exists to hold the common definitions required of most of
the symbol-readers that end up using stabs. The common use of
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. */
+/* 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. */
-#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 */
+struct dbx_symfile_info
+ {
+ ~dbx_symfile_info ();
-/* 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. */
+ CORE_ADDR text_addr = 0; /* Start of text section */
+ int text_size = 0; /* Size of text section */
+ int symcount = 0; /* How many symbols are there in the file */
+ char *stringtab = nullptr; /* The actual string table */
+ int stringtab_size = 0; /* Its size */
+ file_ptr symtab_offset = 0; /* Offset in file to symbol table */
+ int symbol_size = 0; /* Bytes in a single symbol */
-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 */
-};
+ /* See stabsread.h for the use of the following. */
+ struct header_file *header_files = nullptr;
+ int n_header_files = 0;
+ int n_allocated_header_files = 0;
-/* 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)
+ /* Pointers to BFD sections. These are used to speed up the building of
+ minimal symbols. */
+ asection *text_section = nullptr;
+ asection *data_section = nullptr;
+ asection *bss_section = nullptr;
+
+ /* Pointer to the separate ".stab" section, if there is one. */
+ asection *stab_section = nullptr;
+ };
+
+/* The tag used to find the DBX info attached to an objfile. This is
+ global because it is referenced by several modules. */
+extern const registry<objfile>::key<dbx_symfile_info> dbx_objfile_data_key;
+
+#define DBX_SYMFILE_INFO(o) (dbx_objfile_data_key.get (o))
#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_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 */
+#endif /* GDB_STABS_H */
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