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