1 // Copyright (c) 2008, Google Inc.
2 // All rights reserved
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6 //
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16 //
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28
29 //
30 // breakpad_nlist_test.cc
31 // minidump_test
32 //
33 // Created by Neal Sidhwaney on 4/13/08.
34 // Copyright 2008 Google Inc. All rights reserved.
35 //
36
37 #include "client/mac/handler/testcases/breakpad_nlist_test.h"
38 #include <mach-o/nlist.h>
39 #include "client/mac/handler/breakpad_nlist_64.h"
40
41 BreakpadNlistTest test1(TEST_INVOCATION(BreakpadNlistTest, CompareToNM));
42
BreakpadNlistTest(TestInvocation * invocation)43 BreakpadNlistTest::BreakpadNlistTest(TestInvocation *invocation)
44 : TestCase(invocation) {
45 }
46
47
~BreakpadNlistTest()48 BreakpadNlistTest::~BreakpadNlistTest() {
49 }
50
CompareToNM()51 void BreakpadNlistTest::CompareToNM() {
52 #if TARGET_CPU_X86_64
53 system("/usr/bin/nm -arch x86_64 /usr/lib/dyld > /tmp/dyld-namelist.txt");
54 #elif TARGET_CPU_PPC64
55 system("/usr/bin/nm -arch ppc64 /usr/lib/dyld > /tmp/dyld-namelist.txt");
56 #endif
57
58 FILE *fd = fopen("/tmp/dyld-namelist.txt", "rt");
59
60 char oneNMAddr[30];
61 char symbolType;
62 char symbolName[500];
63 while (!feof(fd)) {
64 fscanf(fd, "%s %c %s", oneNMAddr, &symbolType, symbolName);
65 breakpad_nlist symbolList[2];
66 breakpad_nlist &list = symbolList[0];
67
68 memset(symbolList, 0, sizeof(breakpad_nlist)*2);
69 const char *symbolNames[2];
70 symbolNames[0] = (const char*)symbolName;
71 symbolNames[1] = "\0";
72 breakpad_nlist_64("/usr/lib/dyld", &list, symbolNames);
73 uint64_t nmAddr = strtol(oneNMAddr, NULL, 16);
74 if (!IsSymbolMoreThanOnceInDyld(symbolName)) {
75 CPTAssert(nmAddr == symbolList[0].n_value);
76 }
77 }
78
79 fclose(fd);
80 }
81
IsSymbolMoreThanOnceInDyld(const char * symbolName)82 bool BreakpadNlistTest::IsSymbolMoreThanOnceInDyld(const char *symbolName) {
83 // These are the symbols that occur more than once when nm dumps
84 // the symbol table of /usr/lib/dyld. Our nlist program returns
85 // the first address because it's doing a search so we need to exclude
86 // these from causing the test to fail
87 const char *multipleSymbols[] = {
88 "__Z41__static_initialization_and_destruction_0ii",
89 "___tcf_0",
90 "___tcf_1",
91 "_read_encoded_value_with_base",
92 "_read_sleb128",
93 "_read_uleb128",
94 "\0"};
95
96 bool found = false;
97
98 for (int i = 0; multipleSymbols[i][0]; i++) {
99 if (!strcmp(multipleSymbols[i], symbolName)) {
100 found = true;
101 break;
102 }
103 }
104
105 return found;
106 }
107