1 /*
2  * Copyright (C) 2021 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 #ifndef SRC_PROFILING_MEMORY_UTIL_H_
18 #define SRC_PROFILING_MEMORY_UTIL_H_
19 
20 // Make sure the alignment is the same on 32 and 64 bit architectures. This
21 // is to ensure the structs below are laid out in exactly the same way for
22 // both of those, at the same build.
23 // The maximum alignment of every type T is sizeof(T), so we overalign that.
24 // E.g., the alignment for uint64_t is 4 bytes on 32, and 8 bytes on 64 bit.
25 #define PERFETTO_CROSS_ABI_ALIGNED(type) alignas(sizeof(type)) type
26 
27 #endif  // SRC_PROFILING_MEMORY_UTIL_H_
28