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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [gdb/] [dwarf2loc.h] - Rev 447
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/* DWARF 2 location expression support for GDB. Copyright (C) 2003, 2005, 2007, 2008, 2009, 2010 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_computed_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. If CU came from a separate debuginfo file, then the master objfile is returned. */ 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); /* Return the offset size given in the compilation unit header for CU. */ int dwarf2_per_cu_offset_size (struct dwarf2_per_cu_data *cu); /* Return the text offset of the CU. The returned offset comes from this CU's objfile. If this objfile came from a separate debuginfo file, then the offset may be different from the corresponding offset in the parent objfile. */ CORE_ADDR dwarf2_per_cu_text_offset (struct dwarf2_per_cu_data *cu); struct dwarf2_locexpr_baton dwarf2_fetch_die_location_block (unsigned int offset, struct dwarf2_per_cu_data *per_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. */ const 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. */ const 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_computed_ops dwarf2_locexpr_funcs; extern const struct symbol_computed_ops dwarf2_loclist_funcs; #endif /* dwarf2loc.h */
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