1 //===-- scudo_unit_test_main.cpp --------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "memtag.h" 10 #include "tests/scudo_unit_test.h" 11 12 // Match Android's default configuration, which disables Scudo's mismatch 13 // allocation check, as it is being triggered by some third party code. 14 #if SCUDO_ANDROID 15 #define DEALLOC_TYPE_MISMATCH "false" 16 #else 17 #define DEALLOC_TYPE_MISMATCH "true" 18 #endif 19 EnableMemoryTaggingIfSupported()20static void EnableMemoryTaggingIfSupported() { 21 if (!scudo::archSupportsMemoryTagging()) 22 return; 23 static bool Done = []() { 24 if (!scudo::systemDetectsMemoryTagFaultsTestOnly()) 25 scudo::enableSystemMemoryTaggingTestOnly(); 26 return true; 27 }(); 28 (void)Done; 29 } 30 31 // This allows us to turn on/off a Quarantine for specific tests. The Quarantine 32 // parameters are on the low end, to avoid having to loop excessively in some 33 // tests. 34 bool UseQuarantine = true; 35 extern "C" __attribute__((visibility("default"))) const char * __scudo_default_options()36__scudo_default_options() { 37 // The wrapper tests initialize the global allocator early, before main(). We 38 // need to have Memory Tagging enabled before that happens or the allocator 39 // will disable the feature entirely. 40 EnableMemoryTaggingIfSupported(); 41 if (!UseQuarantine) 42 return "dealloc_type_mismatch=" DEALLOC_TYPE_MISMATCH; 43 return "quarantine_size_kb=256:thread_local_quarantine_size_kb=128:" 44 "quarantine_max_chunk_size=512:" 45 "dealloc_type_mismatch=" DEALLOC_TYPE_MISMATCH; 46 } 47 48 // The zxtest library provides a default main function that does the same thing 49 // for Fuchsia builds. 50 #if !SCUDO_FUCHSIA main(int argc,char ** argv)51int main(int argc, char **argv) { 52 EnableMemoryTaggingIfSupported(); 53 testing::InitGoogleTest(&argc, argv); 54 return RUN_ALL_TESTS(); 55 } 56 #endif 57