9eae7c5264
* dwarf2loc.h (dwarf2_per_cu_data): Declare. * dwarf2read.c (dwarf_stack_op_name): No longer static. Return type is const. Add 'def' argument. Add missing operators, remove unhandled ones. (decode_locdesc): Update. (dwarf2_always_disassemble): New global. (show_dwarf2_always_disassemble): New function. (_initialize_dwarf2_read): Add always-disassemble. (dwarf2_per_cu_offset_size): New function. * dwarf2loc.c (dwarf2_always_disassemble): Declare. (piece_end_p): New function. (locexpr_describe_location_piece): Replace 'size' argument with 'end'. Use piece_end_p. Rewrite recognition of TLS. Recognize some constants. Remove errors. (disassemble_dwarf_expression): New function. (locexpr_describe_location_1): Use disassemble_dwarf_expression. Add 'offset_size' argument. (loclist_describe_location): Change output formatting. * dwarf2expr.h (dwarf_stack_op_name): Declare. gdb/doc * gdb.texinfo (Maintenance Commands): Document maint set dwarf2 always-disassemble.
79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
/* DWARF 2 location expression support for GDB.
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Copyright (C) 2003, 2005, 2007, 2008, 2009, 2010
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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_computed_ops;
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struct objfile;
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struct dwarf2_per_cu_data;
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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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/* Return the OBJFILE associated with the compilation unit CU. */
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struct objfile *dwarf2_per_cu_objfile (struct dwarf2_per_cu_data *cu);
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/* Return the address size given in the compilation unit header for CU. */
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CORE_ADDR dwarf2_per_cu_addr_size (struct dwarf2_per_cu_data *cu);
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/* Return the offset size given in the compilation unit header for CU. */
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int dwarf2_per_cu_offset_size (struct dwarf2_per_cu_data *cu);
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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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const gdb_byte *data;
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/* Length of the location expression. */
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unsigned long size;
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/* The compilation unit containing the symbol whose location
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we're computing. */
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struct dwarf2_per_cu_data *per_cu;
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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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const gdb_byte *data;
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/* Length of the location list. */
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unsigned long size;
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/* The compilation unit containing the symbol whose location
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we're computing. */
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struct dwarf2_per_cu_data *per_cu;
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};
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extern const struct symbol_computed_ops dwarf2_locexpr_funcs;
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extern const struct symbol_computed_ops dwarf2_loclist_funcs;
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#endif /* dwarf2loc.h */
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