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c3228f1238
* findvar.c (read_var_value): Remove case for thread local storage variables. It is now entirely handled by the dwarf2 location expression code. * printcmd.c (address_info): Ditto. * symtab.h (address_class): Remove LOC_THREAD_LOCAL_STATIC enumeration value. (struct symbol): Remove objfile field, which was used by LOC_THREAD_LOCAL_STATIC only. * dwarf2read.c (decode_locdesc): Remove is_thread_local variable. * dwarf2loc.h (struct dwarf2_loclist_baton): Add comment about usage of objfile pointer. * dwarf2loc.c (locexpr_describe_location): Add case to handle thread local variables. Add include of objfiles.h. * dwarf2expr.c (execute_stack_op): Add comments about thread local storage variables. * Makefile.in (dwarf2loc.o): Update dependencies.
69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/* Dwarf2 location expression support for GDB.
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Copyright 2003 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 2 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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#if !defined (DWARF2LOC_H)
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#define DWARF2LOC_H
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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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unsigned char *data;
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/* Length of the location expression. */
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unsigned short 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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unsigned char *data;
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/* Length of the location list. */
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unsigned short 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 struct location_funcs dwarf2_locexpr_funcs;
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extern struct location_funcs dwarf2_loclist_funcs;
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#endif
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