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5fe70629ce
This patch introduces a new macro, INIT_GDB_FILE. This is used to
replace the current "_initialize_" idiom when introducing a per-file
initialization function. That is, rather than write:
void _initialize_something ();
void
_initialize_something ()
{
...
}
... now you would write:
INIT_GDB_FILE (something)
{
...
}
The macro handles both the declaration and definition of the function.
The point of this approach is that it makes it harder to accidentally
cause an initializer to be omitted; see commit 2711e475 ("Ensure
cooked_index_entry self-tests are run"). Specifically, the regexp now
used by make-init-c seems harder to trick.
New in v2: un-did some erroneous changes made by the script.
The bulk of this patch was written by script.
Regression tested on x86-64 Fedora 41.
95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/* Copyright (C) 2012-2025 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 "command.h"
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#include "cli/cli-cmds.h"
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#include "target.h"
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#include "gdbsupport/agent.h"
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#include "observable.h"
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#include "objfiles.h"
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/* Enum strings for "set|show agent". */
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static const char can_use_agent_on[] = "on";
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static const char can_use_agent_off[] = "off";
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static const char * const can_use_agent_enum[] =
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{
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can_use_agent_on,
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can_use_agent_off,
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NULL,
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};
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static const char *can_use_agent = can_use_agent_off;
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static void
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show_can_use_agent (struct ui_file *file, int from_tty,
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struct cmd_list_element *c, const char *value)
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{
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gdb_printf (file,
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_("Debugger's willingness to use agent in inferior "
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"as a helper is %s.\n"), value);
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}
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static void
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set_can_use_agent (const char *args, int from_tty, struct cmd_list_element *c)
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{
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bool can_use = (can_use_agent == can_use_agent_on);
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if (can_use && !agent_loaded_p ())
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{
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/* Since the setting was off, we may not have observed the objfiles and
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therefore not looked up the required symbols. Do so now. */
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for (objfile *objfile : current_program_space->objfiles ())
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if (agent_look_up_symbols (objfile) == 0)
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break;
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}
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if (target_use_agent (can_use) == 0)
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/* Something wrong during setting, set flag to default value. */
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can_use_agent = can_use_agent_off;
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}
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static void
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agent_new_objfile (struct objfile *objfile)
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{
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if (agent_loaded_p ())
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return;
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if (can_use_agent == can_use_agent_off)
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return;
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agent_look_up_symbols (objfile);
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}
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INIT_GDB_FILE (agent)
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{
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gdb::observers::new_objfile.attach (agent_new_objfile,
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"agent");
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add_setshow_enum_cmd ("agent", class_run,
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can_use_agent_enum,
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&can_use_agent, _("\
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Set debugger's willingness to use agent as a helper."), _("\
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Show debugger's willingness to use agent as a helper."), _("\
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If on, GDB will delegate some of the debugging operations to the\n\
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agent, if the target supports it. This will speed up those\n\
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operations that are supported by the agent.\n\
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If off, GDB will not use agent, even if such is supported by the\n\
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target."),
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set_can_use_agent,
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show_can_use_agent,
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&setlist, &showlist);
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}
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