| /* DWARF 2 location expression support for GDB. |
| |
| Copyright (C) 2003, 2005 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 |
| (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, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #if !defined (DWARF2LOC_H) |
| #define DWARF2LOC_H |
| |
| struct symbol_ops; |
| |
| /* This header is private to the DWARF-2 reader. It is shared between |
| dwarf2read.c and dwarf2loc.c. */ |
| |
| /* 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 short size; |
| |
| /* The objfile containing the symbol whose location we're computing. */ |
| struct objfile *objfile; |
| }; |
| |
| 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 short size; |
| |
| /* The objfile containing the symbol whose location we're computing. */ |
| /* Used (only???) by thread local variables. The objfile in which |
| this symbol is defined. To find a thread-local variable (e.g., a |
| variable declared with the `__thread' storage class), we may need |
| to know which object file it's in. */ |
| struct objfile *objfile; |
| }; |
| |
| extern const struct symbol_ops dwarf2_locexpr_funcs; |
| extern const struct symbol_ops dwarf2_loclist_funcs; |
| |
| #endif /* dwarf2loc.h */ |