1//===-- sanitizer_procmaps_test.cc ----------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file is a part of ThreadSanitizer/AddressSanitizer runtime. 11// 12//===----------------------------------------------------------------------===// 13#if !defined(_WIN32) // There are no /proc/maps on Windows. 14 15#include "sanitizer_common/sanitizer_procmaps.h" 16#include "gtest/gtest.h" 17 18#include <stdlib.h> 19 20static void noop() {} 21extern const char *argv0; 22 23namespace __sanitizer { 24 25#if SANITIZER_LINUX && !SANITIZER_ANDROID 26TEST(MemoryMappingLayout, CodeRange) { 27 uptr start, end; 28 bool res = GetCodeRangeForFile("[vdso]", &start, &end); 29 EXPECT_EQ(res, true); 30 EXPECT_GT(start, 0U); 31 EXPECT_LT(start, end); 32} 33#endif 34 35TEST(MemoryMappingLayout, DumpListOfModules) { 36 const char *last_slash = strrchr(argv0, '/'); 37 const char *binary_name = last_slash ? last_slash + 1 : argv0; 38 MemoryMappingLayout memory_mapping(false); 39 const uptr kMaxModules = 100; 40 InternalMmapVector<LoadedModule> modules; 41 modules.reserve(kMaxModules); 42 memory_mapping.DumpListOfModules(&modules); 43 EXPECT_GT(modules.size(), 0U); 44 bool found = false; 45 for (uptr i = 0; i < modules.size(); ++i) { 46 if (modules[i].containsAddress((uptr)&noop)) { 47 // Verify that the module name is sane. 48 if (strstr(modules[i].full_name(), binary_name) != 0) 49 found = true; 50 } 51 modules[i].clear(); 52 } 53 EXPECT_TRUE(found); 54} 55 56TEST(MemoryMapping, LoadedModuleArchAndUUID) { 57 if (SANITIZER_MAC) { 58 MemoryMappingLayout memory_mapping(false); 59 const uptr kMaxModules = 100; 60 InternalMmapVector<LoadedModule> modules; 61 modules.reserve(kMaxModules); 62 memory_mapping.DumpListOfModules(&modules); 63 for (uptr i = 0; i < modules.size(); ++i) { 64 ModuleArch arch = modules[i].arch(); 65 // Darwin unit tests are only run on i386/x86_64/x86_64h. 66 if (SANITIZER_WORDSIZE == 32) { 67 EXPECT_EQ(arch, kModuleArchI386); 68 } else if (SANITIZER_WORDSIZE == 64) { 69 EXPECT_TRUE(arch == kModuleArchX86_64 || arch == kModuleArchX86_64H); 70 } 71 const u8 *uuid = modules[i].uuid(); 72 u8 null_uuid[kModuleUUIDSize] = {0}; 73 EXPECT_NE(memcmp(null_uuid, uuid, kModuleUUIDSize), 0); 74 } 75 } 76} 77 78} // namespace __sanitizer 79#endif // !defined(_WIN32) 80