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- /* RAII type to create a temporary mock context.
- Copyright (C) 2020-2022 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/>. */
- #ifndef SCOPED_MOCK_CONTEXT_H
- #define SCOPED_MOCK_CONTEXT_H
- #include "inferior.h"
- #include "gdbthread.h"
- #include "progspace.h"
- #include "progspace-and-thread.h"
- #if GDB_SELF_TEST
- namespace selftests {
- /* RAII type to create (and switch to) a temporary mock context. An
- inferior with a thread, with a process_stratum target pushed. */
- template<typename Target>
- struct scoped_mock_context
- {
- /* Order here is important. */
- Target mock_target;
- ptid_t mock_ptid {1, 1};
- program_space mock_pspace {new_address_space ()};
- inferior mock_inferior {mock_ptid.pid ()};
- thread_info mock_thread {&mock_inferior, mock_ptid};
- scoped_restore_current_pspace_and_thread restore_pspace_thread;
- explicit scoped_mock_context (gdbarch *gdbarch)
- {
- /* Add the mock inferior to the inferior list so that look ups by
- target+ptid can find it. */
- inferior_list.push_back (mock_inferior);
- mock_inferior.thread_list.push_back (mock_thread);
- mock_inferior.ptid_thread_map[mock_ptid] = &mock_thread;
- mock_inferior.gdbarch = gdbarch;
- mock_inferior.aspace = mock_pspace.aspace;
- mock_inferior.pspace = &mock_pspace;
- /* Switch to the mock inferior. */
- switch_to_inferior_no_thread (&mock_inferior);
- /* Push the process_stratum target so we can mock accessing
- registers. */
- gdb_assert (mock_target.stratum () == process_stratum);
- mock_inferior.push_target (&mock_target);
- /* Switch to the mock thread. */
- switch_to_thread (&mock_thread);
- }
- ~scoped_mock_context ()
- {
- inferior_list.erase (inferior_list.iterator_to (mock_inferior));
- pop_all_targets_at_and_above (process_stratum);
- }
- };
- } // namespace selftests
- #endif /* GDB_SELF_TEST */
- #endif /* !defined (SCOPED_MOCK_CONTEXT_H) */
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