binutils-gdb/gdb/process-stratum-target.c
Joel Brobecker 3666a04883 Update copyright year range in all GDB files
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        Update copyright year range in copyright header of all GDB files.
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C

/* Abstract base class inherited by all process_stratum targets
Copyright (C) 2018-2021 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "process-stratum-target.h"
#include "inferior.h"
process_stratum_target::~process_stratum_target ()
{
}
struct address_space *
process_stratum_target::thread_address_space (ptid_t ptid)
{
/* Fall-back to the "main" address space of the inferior. */
inferior *inf = find_inferior_ptid (this, ptid);
if (inf == NULL || inf->aspace == NULL)
internal_error (__FILE__, __LINE__,
_("Can't determine the current "
"address space of thread %s\n"),
target_pid_to_str (ptid).c_str ());
return inf->aspace;
}
struct gdbarch *
process_stratum_target::thread_architecture (ptid_t ptid)
{
inferior *inf = find_inferior_ptid (this, ptid);
gdb_assert (inf != NULL);
return inf->gdbarch;
}
bool
process_stratum_target::has_all_memory ()
{
/* If no inferior selected, then we can't read memory here. */
return inferior_ptid != null_ptid;
}
bool
process_stratum_target::has_memory ()
{
/* If no inferior selected, then we can't read memory here. */
return inferior_ptid != null_ptid;
}
bool
process_stratum_target::has_stack ()
{
/* If no inferior selected, there's no stack. */
return inferior_ptid != null_ptid;
}
bool
process_stratum_target::has_registers ()
{
/* Can't read registers from no inferior. */
return inferior_ptid != null_ptid;
}
bool
process_stratum_target::has_execution (inferior *inf)
{
/* If there's a process running already, we can't make it run
through hoops. */
return inf->pid != 0;
}
/* See process-stratum-target.h. */
std::set<process_stratum_target *>
all_non_exited_process_targets ()
{
/* Inferiors may share targets. To eliminate duplicates, use a set. */
std::set<process_stratum_target *> targets;
for (inferior *inf : all_non_exited_inferiors ())
targets.insert (inf->process_target ());
return targets;
}
/* See process-stratum-target.h. */
void
switch_to_target_no_thread (process_stratum_target *target)
{
for (inferior *inf : all_inferiors (target))
{
switch_to_inferior_no_thread (inf);
break;
}
}