/* Definitions for reading symbol files into GDB.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001, 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
This file is part of GDB.
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#if !defined (SYMFILE_H)
#define SYMFILE_H
/* This file requires that you first include "bfd.h". */
+#include "symtab.h"
/* Opaque declarations. */
struct section_table;
struct objfile;
+struct obj_section;
struct obstack;
struct block;
} other[1];
};
+struct symfile_segment_data
+{
+ /* How many segments are present in this file. If there are
+ two, the text segment is the first one and the data segment
+ is the second one. */
+ int num_segments;
+
+ /* If NUM_SEGMENTS is greater than zero, the original base address
+ of each segment. */
+ CORE_ADDR *segment_bases;
+
+ /* If NUM_SEGMENTS is greater than zero, the memory size of each
+ segment. */
+ CORE_ADDR *segment_sizes;
+
+ /* If NUM_SEGMENTS is greater than zero, this is an array of entries
+ recording which segment contains each BFD section. It is
+ ordered by section index. A zero means that the section is not
+ in any segment. */
+ int *segment_info;
+};
+
/* Structure to keep track of symbol reading functions for various
object file types. */
void (*sym_offsets) (struct objfile *, struct section_addr_info *);
+ /* This function produces a format-independent description of
+ the segments of ABFD. Each segment is a unit of the file
+ which may be relocated independently. */
+
+ struct symfile_segment_data *(*sym_segments) (bfd *abfd);
+
/* Finds the next struct sym_fns. They are allocated and
initialized in whatever module implements the functions pointed
to; an initializer calls add_symtab_fns to add them to the global
extern void default_symfile_offsets (struct objfile *objfile,
struct section_addr_info *);
+/* The default version of sym_fns.sym_segments for readers that don't
+ do anything special. */
+
+extern struct symfile_segment_data *default_symfile_segments (bfd *abfd);
extern void extend_psymbol_list (struct psymbol_allocation_list *,
struct objfile *);
long, CORE_ADDR,
enum language, struct objfile *);
-extern void add_psymbol_with_dem_name_to_list (char *, int, char *, int,
- domain_enum,
- enum address_class,
- struct psymbol_allocation_list
- *, long, CORE_ADDR,
- enum language,
- struct objfile *);
-
-
extern void init_psymbol_list (struct objfile *, int);
extern void sort_pst_symbols (struct partial_symtab *);
extern struct objfile *symbol_file_add (char *, int,
struct section_addr_info *, int, int);
+extern struct objfile *symbol_file_add_from_bfd (bfd *, int,
+ struct section_addr_info *,
+ int, int);
+
/* Create a new section_addr_info, with room for NUM_SECTIONS. */
extern struct section_addr_info *alloc_section_addr_info (size_t
num_sections);
+/* Return a freshly allocated copy of ADDRS. The section names, if
+ any, are also freshly allocated copies of those in ADDRS. */
+extern struct section_addr_info *(copy_section_addr_info
+ (struct section_addr_info *addrs));
+
/* Build (allocate and populate) a section_addr_info struct from an
existing section table. */
/* Load symbols from a file. */
extern void symbol_file_add_main (char *args, int from_tty);
-/* Read inferior memory at ADDR to find the header of a loaded object file
- and read its in-core symbols out of inferior memory. TEMPL is a bfd
- representing the target's format. */
-extern struct objfile *symbol_file_add_from_memory (bfd *templ, CORE_ADDR addr,
- int from_tty);
-
/* Clear GDB symbol tables. */
extern void symbol_file_clear (int from_tty);
+/* Default overlay update function. */
+extern void simple_overlay_update (struct obj_section *);
+
extern bfd_byte *symfile_relocate_debug_section (bfd *abfd, asection *sectp,
bfd_byte * buf);
-/* From dwarfread.c */
-
-extern void dwarf_build_psymtabs (struct objfile *, int, file_ptr,
- unsigned int, file_ptr, unsigned int);
+extern int symfile_map_offsets_to_segments (bfd *,
+ struct symfile_segment_data *,
+ struct section_offsets *,
+ int, const CORE_ADDR *);
+struct symfile_segment_data *get_symfile_segment_data (bfd *abfd);
+void free_symfile_segment_data (struct symfile_segment_data *data);
/* From dwarf2read.c */