/* DWARF 2 location expression support for GDB. Copyright 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #if !defined (DWARF2LOC_H) #define DWARF2LOC_H #include "dwarf2read.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; /* APPLE LOCAL we need to translate addresses for location list expressions from .o file addresses to final executable addresses. */ struct oso_to_final_addr_map *addr_map; }; struct dwarf2_loclist_baton { /* The initial base address for the location list, based on the compilation unit. */ /* APPLE LOCAL: In the non-dSYM or kext dSYM case where we must translate addresses in the DWARF, BASE_ADDRESS_UNTRANSLATED has not been translated to a final-executable address. It is accurate only in terms of the .o file. */ CORE_ADDR base_address_untranslated; /* 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; /* APPLE LOCAL */ struct oso_to_final_addr_map *addr_map; }; extern const struct symbol_ops dwarf2_locexpr_funcs; extern const struct symbol_ops dwarf2_loclist_funcs; #endif /* dwarf2loc.h */