1 /* RAII type to create a temporary mock context.
3 Copyright (C) 2020-2021 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 #ifndef SCOPED_MOCK_CONTEXT_H
21 #define SCOPED_MOCK_CONTEXT_H
24 #include "gdbthread.h"
25 #include "progspace.h"
26 #include "progspace-and-thread.h"
31 /* RAII type to create (and switch to) a temporary mock context. An
32 inferior with a thread, with a process_stratum target pushed. */
34 template<typename Target
>
35 struct scoped_mock_context
37 /* Order here is important. */
40 ptid_t mock_ptid
{1, 1};
41 program_space mock_pspace
{new_address_space ()};
42 inferior mock_inferior
{mock_ptid
.pid ()};
43 thread_info mock_thread
{&mock_inferior
, mock_ptid
};
45 scoped_restore_current_pspace_and_thread restore_pspace_thread
;
47 scoped_restore_tmpl
<thread_info
*> restore_thread_list
48 {&mock_inferior
.thread_list
, &mock_thread
};
50 /* Add the mock inferior to the inferior list so that look ups by
51 target+ptid can find it. */
52 scoped_restore_tmpl
<inferior
*> restore_inferior_list
53 {&inferior_list
, &mock_inferior
};
55 explicit scoped_mock_context (gdbarch
*gdbarch
)
57 mock_inferior
.gdbarch
= gdbarch
;
58 mock_inferior
.aspace
= mock_pspace
.aspace
;
59 mock_inferior
.pspace
= &mock_pspace
;
61 /* Switch to the mock inferior. */
62 switch_to_inferior_no_thread (&mock_inferior
);
64 /* Push the process_stratum target so we can mock accessing
66 gdb_assert (mock_target
.stratum () == process_stratum
);
67 push_target (&mock_target
);
69 /* Switch to the mock thread. */
70 switch_to_thread (&mock_thread
);
73 ~scoped_mock_context ()
75 pop_all_targets_at_and_above (process_stratum
);
79 } // namespace selftests
80 #endif /* GDB_SELF_TEST */
82 #endif /* !defined (SCOPED_MOCK_CONTEXT_H) */