1 /* DWARF 2 location expression support for GDB.
3 Copyright (C) 2003, 2005, 2007, 2008, 2009, 2010
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #if !defined (DWARF2LOC_H)
24 struct symbol_computed_ops
;
26 struct dwarf2_per_cu_data
;
28 /* This header is private to the DWARF-2 reader. It is shared between
29 dwarf2read.c and dwarf2loc.c. */
31 /* Return the OBJFILE associated with the compilation unit CU. */
32 struct objfile
*dwarf2_per_cu_objfile (struct dwarf2_per_cu_data
*cu
);
34 /* Return the address size given in the compilation unit header for CU. */
35 CORE_ADDR
dwarf2_per_cu_addr_size (struct dwarf2_per_cu_data
*cu
);
37 /* Return the offset size given in the compilation unit header for CU. */
38 int dwarf2_per_cu_offset_size (struct dwarf2_per_cu_data
*cu
);
40 struct dwarf2_locexpr_baton dwarf2_fetch_die_location_block
41 (unsigned int offset
, struct dwarf2_per_cu_data
*per_cu
);
43 /* The symbol location baton types used by the DWARF-2 reader (i.e.
44 SYMBOL_LOCATION_BATON for a LOC_COMPUTED symbol). "struct
45 dwarf2_locexpr_baton" is for a symbol with a single location
46 expression; "struct dwarf2_loclist_baton" is for a symbol with a
49 struct dwarf2_locexpr_baton
51 /* Pointer to the start of the location expression. */
54 /* Length of the location expression. */
57 /* The compilation unit containing the symbol whose location
59 struct dwarf2_per_cu_data
*per_cu
;
62 struct dwarf2_loclist_baton
64 /* The initial base address for the location list, based on the compilation
66 CORE_ADDR base_address
;
68 /* Pointer to the start of the location list. */
71 /* Length of the location list. */
74 /* The compilation unit containing the symbol whose location
76 struct dwarf2_per_cu_data
*per_cu
;
79 extern const struct symbol_computed_ops dwarf2_locexpr_funcs
;
80 extern const struct symbol_computed_ops dwarf2_loclist_funcs
;
82 #endif /* dwarf2loc.h */