mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-27 12:03:41 +08:00
1d506c26d9
This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
118 lines
3.4 KiB
C
118 lines
3.4 KiB
C
/* Definitions for frame address handler, for GDB, the GNU debugger.
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Copyright (C) 2003-2024 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 "gdbsupport/gdb_obstack.h"
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#include "gdbarch.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 (frame_info_ptr 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 (frame_info_ptr 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 (frame_info_ptr 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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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 = nullptr;
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struct frame_base_table_entry **tail = &head;
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const struct frame_base *default_base = &default_frame_base;
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};
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static const registry<gdbarch>::key<struct frame_base_table> frame_base_data;
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static struct frame_base_table *
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get_frame_base_table (struct gdbarch *gdbarch)
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{
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struct frame_base_table *table = frame_base_data.get (gdbarch);
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if (table == nullptr)
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table = frame_base_data.emplace (gdbarch);
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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 = get_frame_base_table (gdbarch);
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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 = get_frame_base_table (gdbarch);
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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 (frame_info_ptr 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 = get_frame_base_table (gdbarch);
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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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