1 /*
2 * Copyright (C) 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "berberis/runtime_primitives/checks.h"
18
19 namespace berberis {
20
IsProgramCounterProperlyAlignedForArch(GuestAddr pc)21 bool IsProgramCounterProperlyAlignedForArch(GuestAddr pc) {
22 // RISC-V C only supports 16-bit address alignment. The least-significant bit
23 // will be set to zero on JALR instructions.
24 return (pc & 0x1) == 0;
25 }
26
27 } // namespace berberis
28