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- /* Self tests for gdbarch for GDB, the GNU debugger.
- Copyright (C) 2017-2022 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/>. */
- #include "defs.h"
- #include "gdbsupport/selftest.h"
- #include "selftest-arch.h"
- #include "target.h"
- #include "test-target.h"
- #include "target-float.h"
- #include "gdbsupport/def-vector.h"
- #include "gdbarch.h"
- #include "scoped-mock-context.h"
- namespace selftests {
- /* Test gdbarch methods register_to_value and value_to_register. */
- static void
- register_to_value_test (struct gdbarch *gdbarch)
- {
- const struct builtin_type *builtin = builtin_type (gdbarch);
- struct type *types[] =
- {
- builtin->builtin_void,
- builtin->builtin_char,
- builtin->builtin_short,
- builtin->builtin_int,
- builtin->builtin_long,
- builtin->builtin_signed_char,
- builtin->builtin_unsigned_short,
- builtin->builtin_unsigned_int,
- builtin->builtin_unsigned_long,
- builtin->builtin_float,
- builtin->builtin_double,
- builtin->builtin_long_double,
- builtin->builtin_complex,
- builtin->builtin_double_complex,
- builtin->builtin_string,
- builtin->builtin_bool,
- builtin->builtin_long_long,
- builtin->builtin_unsigned_long_long,
- builtin->builtin_int8,
- builtin->builtin_uint8,
- builtin->builtin_int16,
- builtin->builtin_uint16,
- builtin->builtin_int32,
- builtin->builtin_uint32,
- builtin->builtin_int64,
- builtin->builtin_uint64,
- builtin->builtin_int128,
- builtin->builtin_uint128,
- builtin->builtin_char16,
- builtin->builtin_char32,
- };
- scoped_mock_context<test_target_ops> mockctx (gdbarch);
- struct frame_info *frame = get_current_frame ();
- const int num_regs = gdbarch_num_cooked_regs (gdbarch);
- /* Test gdbarch methods register_to_value and value_to_register with
- different combinations of register numbers and types. */
- for (const auto &type : types)
- {
- for (auto regnum = 0; regnum < num_regs; regnum++)
- {
- if (gdbarch_convert_register_p (gdbarch, regnum, type))
- {
- std::vector<gdb_byte> expected (TYPE_LENGTH (type), 0);
- if (type->code () == TYPE_CODE_FLT)
- {
- /* Generate valid float format. */
- target_float_from_string (expected.data (), type, "1.25");
- }
- else
- {
- for (auto j = 0; j < expected.size (); j++)
- expected[j] = (regnum + j) % 16;
- }
- gdbarch_value_to_register (gdbarch, frame, regnum, type,
- expected.data ());
- /* Allocate two bytes more for overflow check. */
- std::vector<gdb_byte> buf (TYPE_LENGTH (type) + 2, 0);
- int optim, unavail, ok;
- /* Set the fingerprint in the last two bytes. */
- buf [TYPE_LENGTH (type)]= 'w';
- buf [TYPE_LENGTH (type) + 1]= 'l';
- ok = gdbarch_register_to_value (gdbarch, frame, regnum, type,
- buf.data (), &optim, &unavail);
- SELF_CHECK (ok);
- SELF_CHECK (!optim);
- SELF_CHECK (!unavail);
- SELF_CHECK (buf[TYPE_LENGTH (type)] == 'w');
- SELF_CHECK (buf[TYPE_LENGTH (type) + 1] == 'l');
- for (auto k = 0; k < TYPE_LENGTH(type); k++)
- SELF_CHECK (buf[k] == expected[k]);
- }
- }
- }
- }
- } // namespace selftests
- void _initialize_gdbarch_selftests ();
- void
- _initialize_gdbarch_selftests ()
- {
- selftests::register_test_foreach_arch ("register_to_value",
- selftests::register_to_value_test);
- }
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