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/* DWARF 2 location expression support for GDB.
Copyright (C) 2003, 2005, 2007, 2008, 2009 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 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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (DWARF2LOC_H)
#define DWARF2LOC_H
struct symbol_ops;
struct objfile;
struct dwarf2_per_cu_data;
/* This header is private to the DWARF-2 reader. It is shared between
dwarf2read.c and dwarf2loc.c. */
/* Return the OBJFILE associated with the compilation unit CU. */
struct objfile *dwarf2_per_cu_objfile (struct dwarf2_per_cu_data *cu);
/* Return the address size given in the compilation unit header for CU. */
CORE_ADDR dwarf2_per_cu_addr_size (struct dwarf2_per_cu_data *cu);
/* The symbol location baton types used by the DWARF-2 reader (i.e.
SYMBOL_LOCATION_BATON for a LOC_COMPUTED symbol). "struct
dwarf2_locexpr_baton" is for a symbol with a single location
expression; "struct dwarf2_loclist_baton" is for a symbol with a
location list. */
struct dwarf2_locexpr_baton
{
/* Pointer to the start of the location expression. */
gdb_byte *data;
/* Length of the location expression. */
unsigned long size;
/* The compilation unit containing the symbol whose location
we're computing. */
struct dwarf2_per_cu_data *per_cu;
};
struct dwarf2_loclist_baton
{
/* The initial base address for the location list, based on the compilation
unit. */
CORE_ADDR base_address;
/* Pointer to the start of the location list. */
gdb_byte *data;
/* Length of the location list. */
unsigned long size;
/* The compilation unit containing the symbol whose location
we're computing. */
struct dwarf2_per_cu_data *per_cu;
};
extern const struct symbol_ops dwarf2_locexpr_funcs;
extern const struct symbol_ops dwarf2_loclist_funcs;
#endif /* dwarf2loc.h */
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