1 /* 2 * Copyright (C) 2018 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 INCLUDE_PERFETTO_BASE_CONTAINER_ANNOTATIONS_H_ 18 #define INCLUDE_PERFETTO_BASE_CONTAINER_ANNOTATIONS_H_ 19 20 #include "perfetto/base/build_config.h" 21 22 // Windows ASAN doesn't currently support these annotations. 23 #if defined(ADDRESS_SANITIZER) && !PERFETTO_BUILDFLAG(PERFETTO_OS_WIN) && \ 24 !defined(ADDRESS_SANITIZER_WITHOUT_INSTRUMENTATION) 25 26 #define ANNOTATE_NEW_BUFFER(buffer, capacity, new_size) \ 27 if (buffer) { \ 28 __sanitizer_annotate_contiguous_container(buffer, (buffer) + (capacity), \ 29 (buffer) + (capacity), \ 30 (buffer) + (new_size)); \ 31 } 32 #define ANNOTATE_DELETE_BUFFER(buffer, capacity, old_size) \ 33 if (buffer) { \ 34 __sanitizer_annotate_contiguous_container(buffer, (buffer) + (capacity), \ 35 (buffer) + (old_size), \ 36 (buffer) + (capacity)); \ 37 } 38 #define ANNOTATE_CHANGE_SIZE(buffer, capacity, old_size, new_size) \ 39 if (buffer) { \ 40 __sanitizer_annotate_contiguous_container(buffer, (buffer) + (capacity), \ 41 (buffer) + (old_size), \ 42 (buffer) + (new_size)); \ 43 } 44 #define ANNOTATE_CHANGE_CAPACITY(buffer, old_capacity, buffer_size, \ 45 new_capacity) \ 46 ANNOTATE_DELETE_BUFFER(buffer, old_capacity, buffer_size); \ 47 ANNOTATE_NEW_BUFFER(buffer, new_capacity, buffer_size); 48 // Annotations require buffers to begin on an 8-byte boundary. 49 #else // defined(ADDRESS_SANITIZER) 50 #define ANNOTATE_NEW_BUFFER(buffer, capacity, new_size) 51 #define ANNOTATE_DELETE_BUFFER(buffer, capacity, old_size) 52 #define ANNOTATE_CHANGE_SIZE(buffer, capacity, old_size, new_size) 53 #define ANNOTATE_CHANGE_CAPACITY(buffer, old_capacity, buffer_size, \ 54 new_capacity) 55 #endif // defined(ADDRESS_SANITIZER) 56 57 #endif // INCLUDE_PERFETTO_BASE_CONTAINER_ANNOTATIONS_H_ 58