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/*
Copyright (C) 2014-2014 David Anderson. All Rights Reserved.
This program is free software; you can redistribute it
and/or modify it under the terms of version 2.1 of the
GNU Lesser General Public License as published by the Free
Software Foundation.
This program is distributed in the hope that it would be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
Further, this software is distributed without any warranty
that it is free of the rightful claim of any third person
regarding infringement or the like. Any license provided
herein, whether implied or otherwise, applies only to this
software file. Patent licenses, if any, provided herein
do not apply to combinations of this program with other
software, or any other product whatsoever.
You should have received a copy of the GNU Lesser General
Public License along with this program; if not, write the
Free Software Foundation, Inc., 51 Franklin Street - Fifth
Floor, Boston MA 02110-1301, USA.
*/
/* The following is based on
The gdb online documentation at
https://sourceware.org/gdb/onlinedocs/gdb/
Appendix J, ".gdb_index section format".
*/
/* These are the two types .gdb_index uses.
the offset_type (32 bits) and other fields
defined 64 bits. We use our own Dwarf_Unsigned
for all the interfaces, these are just for reading
the section data.
The section data is defined to be in little-endian regardless of
the target machine.
We use our host endianness in all interfaces.
We simply assume unsigned int is 32 bits FIXME.
*/
typedef Dwarf_Unsigned gdbindex_64;
enum gdbindex_type_e {
git_unknown,
git_std,
git_address,
git_cuvec
};
struct Dwarf_Gdbindex_array_instance_s {
Dwarf_Small * dg_base;
Dwarf_Unsigned dg_count;
/* the in_object struct size. */
Dwarf_Unsigned dg_entry_length;
/* The size of a single field in the in-object struct */
int dg_fieldlen;
/* The address_area type is a bit irregular. */
enum gdbindex_type_e dg_type;
};
struct Dwarf_Gdbindex_s {
Dwarf_Debug gi_dbg;
Dwarf_Small * gi_section_data;
Dwarf_Unsigned gi_section_length;
Dwarf_Unsigned gi_version;
Dwarf_Unsigned gi_cu_list_offset;
Dwarf_Unsigned gi_types_cu_list_offset;
Dwarf_Unsigned gi_address_area_offset;
Dwarf_Unsigned gi_symbol_table_offset;
Dwarf_Unsigned gi_constant_pool_offset;
struct Dwarf_Gdbindex_array_instance_s gi_culisthdr;
struct Dwarf_Gdbindex_array_instance_s gi_typesculisthdr;
struct Dwarf_Gdbindex_array_instance_s gi_addressareahdr;
struct Dwarf_Gdbindex_array_instance_s gi_symboltablehdr;
struct Dwarf_Gdbindex_array_instance_s gi_cuvectorhdr;
Dwarf_Small * gi_string_pool;
};
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