/* 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.
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
+ 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,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#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];
};
+
+/* A table listing the load segments in a symfile, and which segment
+ each BFD section belongs to. */
+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.
+ SEGMENT_INFO[I] is S+1 if the I'th BFD section belongs to segment
+ S, or zero if it 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);
+
+ /* This function should read the linetable from the objfile when
+ the line table cannot be read while processing the debugging
+ information. */
+ void (*sym_read_linetable) (void);
+
/* 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 */
extern void dwarf2_build_psymtabs (struct objfile *, int);
extern void dwarf2_build_frame_info (struct objfile *);
+void dwarf2_free_objfile (struct objfile *);
+
/* From mdebugread.c */
/* Hack to force structures to exist before use in parameter list. */
projects / deliverable / binutils-gdb.git / blobdiff