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jeremybenn |
/* DWARF 2 location expression support for GDB.
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Copyright (C) 2003, 2005, 2007, 2008 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if !defined (DWARF2LOC_H)
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#define DWARF2LOC_H
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struct symbol_ops;
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/* This header is private to the DWARF-2 reader. It is shared between
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dwarf2read.c and dwarf2loc.c. */
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/* The symbol location baton types used by the DWARF-2 reader (i.e.
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SYMBOL_LOCATION_BATON for a LOC_COMPUTED symbol). "struct
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dwarf2_locexpr_baton" is for a symbol with a single location
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expression; "struct dwarf2_loclist_baton" is for a symbol with a
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location list. */
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struct dwarf2_locexpr_baton
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{
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/* Pointer to the start of the location expression. */
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gdb_byte *data;
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/* Length of the location expression. */
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unsigned long size;
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/* The objfile containing the symbol whose location we're computing. */
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struct objfile *objfile;
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};
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struct dwarf2_loclist_baton
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{
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/* The initial base address for the location list, based on the compilation
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unit. */
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CORE_ADDR base_address;
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/* Pointer to the start of the location list. */
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gdb_byte *data;
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/* Length of the location list. */
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unsigned long size;
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/* The objfile containing the symbol whose location we're computing. */
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/* Used (only???) by thread local variables. The objfile in which
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this symbol is defined. To find a thread-local variable (e.g., a
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variable declared with the `__thread' storage class), we may need
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to know which object file it's in. */
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struct objfile *objfile;
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};
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extern const struct symbol_ops dwarf2_locexpr_funcs;
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extern const struct symbol_ops dwarf2_loclist_funcs;
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#endif /* dwarf2loc.h */
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