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
noop()20 static void noop() {}
21 extern const char *argv0;
22
23 namespace __sanitizer {
24
25 #if SANITIZER_LINUX && !SANITIZER_ANDROID
TEST(MemoryMappingLayout,CodeRange)26 TEST(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
TEST(MemoryMappingLayout,DumpListOfModules)35 TEST(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
TEST(MemoryMapping,LoadedModuleArchAndUUID)56 TEST(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