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* addrmap.c: Shorten lines of >= 80 columns. * arch-utils.c: Ditto. * arch-utils.h: Ditto. * ax-gdb.c: Ditto. * ax-general.c: Ditto. * bcache.c: Ditto. * blockframe.c: Ditto. * breakpoint.c: Ditto. * buildsym.c: Ditto. * c-lang.c: Ditto. * c-typeprint.c: Ditto. * charset.c: Ditto. * coffread.c: Ditto. * command.h: Ditto. * corelow.c: Ditto. * cp-abi.c: Ditto. * cp-namespace.c: Ditto. * cp-support.c: Ditto. * dbug-rom.c: Ditto. * dbxread.c: Ditto. * defs.h: Ditto. * dfp.c: Ditto. * dfp.h: Ditto. * dictionary.c: Ditto. * disasm.c: Ditto. * doublest.c: Ditto. * dwarf2-frame.c: Ditto. * dwarf2expr.c: Ditto. * dwarf2loc.c: Ditto. * dwarf2read.c: Ditto. * elfread.c: Ditto. * eval.c: Ditto. * event-loop.c: Ditto. * event-loop.h: Ditto. * exceptions.h: Ditto. * exec.c: Ditto. * expprint.c: Ditto. * expression.h: Ditto. * f-lang.c: Ditto. * f-valprint.c: Ditto. * findcmd.c: Ditto. * frame-base.c: Ditto. * frame-unwind.c: Ditto. * frame-unwind.h: Ditto. * frame.c: Ditto. * frame.h: Ditto. * gcore.c: Ditto. * gdb-stabs.h: Ditto. * gdb_assert.h: Ditto. * gdb_dirent.h: Ditto. * gdb_obstack.h: Ditto. * gdbcore.h: Ditto. * gdbtypes.c: Ditto. * gdbtypes.h: Ditto. * inf-ttrace.c: Ditto. * infcall.c: Ditto. * infcmd.c: Ditto. * inflow.c: Ditto. * infrun.c: Ditto. * inline-frame.h: Ditto. * language.c: Ditto. * language.h: Ditto. * libunwind-frame.c: Ditto. * libunwind-frame.h: Ditto. * linespec.c: Ditto. * linux-nat.c: Ditto. * linux-nat.h: Ditto. * linux-thread-db.c: Ditto. * machoread.c: Ditto. * macroexp.c: Ditto. * macrotab.c: Ditto. * main.c: Ditto. * maint.c: Ditto. * mdebugread.c: Ditto. * memattr.c: Ditto. * minsyms.c: Ditto. * monitor.c: Ditto. * monitor.h: Ditto. * objfiles.c: Ditto. * objfiles.h: Ditto. * osabi.c: Ditto. * p-typeprint.c: Ditto. * p-valprint.c: Ditto. * parse.c: Ditto. * printcmd.c: Ditto. * proc-events.c: Ditto. * procfs.c: Ditto. * progspace.c: Ditto. * progspace.h: Ditto. * psympriv.h: Ditto. * psymtab.c: Ditto. * record.c: Ditto. * regcache.c: Ditto. * regcache.h: Ditto. * remote-fileio.c: Ditto. * remote.c: Ditto. * ser-mingw.c: Ditto. * ser-tcp.c: Ditto. * ser-unix.c: Ditto. * serial.c: Ditto. * serial.h: Ditto. * solib-frv.c: Ditto. * solib-irix.c: Ditto. * solib-osf.c: Ditto. * solib-pa64.c: Ditto. * solib-som.c: Ditto. * solib-sunos.c: Ditto. * solib-svr4.c: Ditto. * solib-target.c: Ditto. * solib.c: Ditto. * somread.c: Ditto. * source.c: Ditto. * stabsread.c: Ditto. * stabsread.c: Ditto. * stack.c: Ditto. * stack.h: Ditto. * symfile-mem.c: Ditto. * symfile.c: Ditto. * symfile.h: Ditto. * symmisc.c: Ditto. * symtab.c: Ditto. * symtab.h: Ditto. * target-descriptions.c: Ditto. * target-memory.c: Ditto. * target.c: Ditto. * target.h: Ditto. * terminal.h: Ditto. * thread.c: Ditto. * top.c: Ditto. * tracepoint.c: Ditto. * tracepoint.h: Ditto. * ui-file.c: Ditto. * ui-file.h: Ditto. * ui-out.h: Ditto. * user-regs.c: Ditto. * user-regs.h: Ditto. * utils.c: Ditto. * valarith.c: Ditto. * valops.c: Ditto. * valprint.c: Ditto. * valprint.h: Ditto. * value.c: Ditto. * varobj.c: Ditto. * varobj.h: Ditto. * vec.h: Ditto. * xcoffread.c: Ditto. * xcoffsolib.c: Ditto. * xcoffsolib.h: Ditto. * xml-syscall.c: Ditto. * xml-tdesc.c: Ditto.
128 lines
3.5 KiB
C
128 lines
3.5 KiB
C
/* Definitions for frame address handler, for GDB, the GNU debugger.
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Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011
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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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#include "defs.h"
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#include "frame-base.h"
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#include "frame.h"
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#include "gdb_obstack.h"
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/* A default frame base implementations. If it wasn't for the old
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DEPRECATED_FRAME_LOCALS_ADDRESS and DEPRECATED_FRAME_ARGS_ADDRESS,
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these could be combined into a single function. All architectures
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really need to override this. */
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static CORE_ADDR
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default_frame_base_address (struct frame_info *this_frame, void **this_cache)
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{
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return get_frame_base (this_frame); /* sigh! */
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}
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static CORE_ADDR
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default_frame_locals_address (struct frame_info *this_frame, void **this_cache)
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{
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return default_frame_base_address (this_frame, this_cache);
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}
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static CORE_ADDR
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default_frame_args_address (struct frame_info *this_frame, void **this_cache)
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{
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return default_frame_base_address (this_frame, this_cache);
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}
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const struct frame_base default_frame_base = {
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NULL, /* No parent. */
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default_frame_base_address,
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default_frame_locals_address,
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default_frame_args_address
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};
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static struct gdbarch_data *frame_base_data;
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struct frame_base_table_entry
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{
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frame_base_sniffer_ftype *sniffer;
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struct frame_base_table_entry *next;
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};
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struct frame_base_table
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{
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struct frame_base_table_entry *head;
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struct frame_base_table_entry **tail;
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const struct frame_base *default_base;
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};
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static void *
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frame_base_init (struct obstack *obstack)
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{
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struct frame_base_table *table
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= OBSTACK_ZALLOC (obstack, struct frame_base_table);
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table->tail = &table->head;
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table->default_base = &default_frame_base;
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return table;
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}
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void
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frame_base_append_sniffer (struct gdbarch *gdbarch,
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frame_base_sniffer_ftype *sniffer)
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{
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struct frame_base_table *table = gdbarch_data (gdbarch, frame_base_data);
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(*table->tail)
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= GDBARCH_OBSTACK_ZALLOC (gdbarch, struct frame_base_table_entry);
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(*table->tail)->sniffer = sniffer;
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table->tail = &(*table->tail)->next;
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}
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void
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frame_base_set_default (struct gdbarch *gdbarch,
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const struct frame_base *default_base)
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{
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struct frame_base_table *table = gdbarch_data (gdbarch, frame_base_data);
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table->default_base = default_base;
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}
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const struct frame_base *
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frame_base_find_by_frame (struct frame_info *this_frame)
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{
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struct gdbarch *gdbarch = get_frame_arch (this_frame);
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struct frame_base_table *table = gdbarch_data (gdbarch, frame_base_data);
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struct frame_base_table_entry *entry;
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for (entry = table->head; entry != NULL; entry = entry->next)
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{
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const struct frame_base *desc = NULL;
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desc = entry->sniffer (this_frame);
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if (desc != NULL)
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return desc;
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}
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return table->default_base;
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}
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extern initialize_file_ftype _initialize_frame_base; /* -Wmissing-prototypes */
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void
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_initialize_frame_base (void)
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{
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frame_base_data = gdbarch_data_register_pre_init (frame_base_init);
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}
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