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  LoadedModule *modules =
41      (LoadedModule *)malloc(kMaxModules * sizeof(LoadedModule));
42  uptr n_modules = memory_mapping.DumpListOfModules(modules, kMaxModules, 0);
43  EXPECT_GT(n_modules, 0U);
44  bool found = false;
45  for (uptr i = 0; i < n_modules; ++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  }
52  EXPECT_TRUE(found);
53  free(modules);
54}
55
56}  // namespace __sanitizer
57#endif  // !defined(_WIN32)
58