1 // Copyright 2008 Google LLC
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
4 // met:
5 //
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following disclaimer
10 // in the documentation and/or other materials provided with the
11 // distribution.
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13 // contributors may be used to endorse or promote products derived from
14 // this software without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28 //
29 // breakpad_nlist_test.cc
30 // minidump_test
31 //
32 // Created by Neal Sidhwaney on 4/13/08.
33 // Copyright 2008 Google LLC
34 //
35
36 #ifdef HAVE_CONFIG_H
37 #include <config.h> // Must come first
38 #endif
39
40 #include "client/mac/handler/testcases/breakpad_nlist_test.h"
41 #include <mach-o/nlist.h>
42 #include "client/mac/handler/breakpad_nlist_64.h"
43
44 BreakpadNlistTest test1(TEST_INVOCATION(BreakpadNlistTest, CompareToNM));
45
BreakpadNlistTest(TestInvocation * invocation)46 BreakpadNlistTest::BreakpadNlistTest(TestInvocation* invocation)
47 : TestCase(invocation) {
48 }
49
50
~BreakpadNlistTest()51 BreakpadNlistTest::~BreakpadNlistTest() {
52 }
53
CompareToNM()54 void BreakpadNlistTest::CompareToNM() {
55 #if TARGET_CPU_X86_64
56 system("/usr/bin/nm -arch x86_64 /usr/lib/dyld > /tmp/dyld-namelist.txt");
57 #elif TARGET_CPU_PPC64
58 system("/usr/bin/nm -arch ppc64 /usr/lib/dyld > /tmp/dyld-namelist.txt");
59 #endif
60
61 FILE* fd = fopen("/tmp/dyld-namelist.txt", "rt");
62
63 char oneNMAddr[30];
64 char symbolType;
65 char symbolName[500];
66 while (!feof(fd)) {
67 fscanf(fd, "%s %c %s", oneNMAddr, &symbolType, symbolName);
68 breakpad_nlist symbolList[2];
69 breakpad_nlist& list = symbolList[0];
70
71 memset(symbolList, 0, sizeof(breakpad_nlist)*2);
72 const char* symbolNames[2];
73 symbolNames[0] = (const char*)symbolName;
74 symbolNames[1] = "\0";
75 breakpad_nlist_64("/usr/lib/dyld", &list, symbolNames);
76 uint64_t nmAddr = strtol(oneNMAddr, NULL, 16);
77 if (!IsSymbolMoreThanOnceInDyld(symbolName)) {
78 CPTAssert(nmAddr == symbolList[0].n_value);
79 }
80 }
81
82 fclose(fd);
83 }
84
IsSymbolMoreThanOnceInDyld(const char * symbolName)85 bool BreakpadNlistTest::IsSymbolMoreThanOnceInDyld(const char* symbolName) {
86 // These are the symbols that occur more than once when nm dumps
87 // the symbol table of /usr/lib/dyld. Our nlist program returns
88 // the first address because it's doing a search so we need to exclude
89 // these from causing the test to fail
90 const char* multipleSymbols[] = {
91 "__Z41__static_initialization_and_destruction_0ii",
92 "___tcf_0",
93 "___tcf_1",
94 "_read_encoded_value_with_base",
95 "_read_sleb128",
96 "_read_uleb128",
97 "\0"};
98
99 bool found = false;
100
101 for (int i = 0; multipleSymbols[i][0]; i++) {
102 if (!strcmp(multipleSymbols[i], symbolName)) {
103 found = true;
104 break;
105 }
106 }
107
108 return found;
109 }
110