gdb/unittests/frame_info_ptr-selftests.c

   1 /* Self tests for frame_info_ptr.
   2
   3    Copyright (C) 2022-2024 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   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.
  11
  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.
  16
  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/>.  */
  19
  20
  21 #include "frame.h"
  22 #include "gdbsupport/selftest.h"
  23 #include "scoped-mock-context.h"
  24 #include "test-target.h"
  25
  26 namespace selftests {
  27
  28 static void
  29 validate_user_created_frame (frame_id id)
  30 {
  31   SELF_CHECK (id.stack_status == FID_STACK_VALID);
  32   SELF_CHECK (id.stack_addr == 0x1234);
  33   SELF_CHECK (id.code_addr_p);
  34   SELF_CHECK (id.code_addr == 0x5678);
  35 }
  36
  37 static frame_info_ptr
  38 user_created_frame_callee (const frame_info_ptr &frame)
  39 {
  40   validate_user_created_frame (get_frame_id (frame));
  41
  42   reinit_frame_cache ();
  43
  44   validate_user_created_frame (get_frame_id (frame));
  45
  46   return frame;
  47 }
  48
  49 static void
  50 test_user_created_frame ()
  51 {
  52   scoped_mock_context<test_target_ops> mock_context
  53     (current_inferior ()->arch ());
  54   frame_info_ptr frame = create_new_frame (0x1234, 0x5678);
  55
  56   validate_user_created_frame (get_frame_id (frame));
  57
  58   /* Pass the frame to a callee, which calls reinit_frame_cache.  This lets us
  59      validate that the reinflation in both the callee and caller restore the
  60      same frame_info object.  */
  61   frame_info_ptr callees_frame_info = user_created_frame_callee (frame);
  62
  63   validate_user_created_frame (get_frame_id (frame));
  64   SELF_CHECK (frame.get () == callees_frame_info.get ());
  65 }
  66
  67 } /* namespace selftests */
  68
  69 void _initialize_frame_info_ptr_selftests ();
  70 void
  71 _initialize_frame_info_ptr_selftests ()
  72 {
  73   selftests::register_test ("frame_info_ptr_user",
  74                             selftests::test_user_created_frame);
  75 }