| // Copyright (c) 2010 Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
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| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com> |
| |
| // dwarf_line_to_module.cc: Unit tests for google_breakpad::DwarfLineToModule. |
| |
| #include "breakpad_googletest_includes.h" |
| #include "common/linux/dwarf_line_to_module.h" |
| |
| using google_breakpad::DwarfLineToModule; |
| using google_breakpad::Module; |
| using google_breakpad::Module; |
| |
| TEST(Simple, One) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineFile("file1", 0x30bf0f27, 0, 0, 0); |
| h.AddLine(0x6fd126fbf74f2680LL, 0x63c9a14cf556712bLL, 0x30bf0f27, |
| 0x4c090cbf, 0x1cf9fe0d); |
| |
| vector<Module::File *> files; |
| m.GetFiles(&files); |
| EXPECT_EQ(1U, files.size()); |
| EXPECT_STREQ("file1", files[0]->name.c_str()); |
| |
| EXPECT_EQ(1U, lines.size()); |
| EXPECT_EQ(0x6fd126fbf74f2680ULL, lines[0].address); |
| EXPECT_EQ(0x63c9a14cf556712bULL, lines[0].size); |
| EXPECT_TRUE(lines[0].file == files[0]); |
| EXPECT_EQ(0x4c090cbf, lines[0].number); |
| } |
| |
| TEST(Simple, Many) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineDir("directory1", 0x838299ab); |
| h.DefineDir("directory2", 0xf85de023); |
| h.DefineFile("file1", 0x2b80377a, 0x838299ab, 0, 0); |
| h.DefineFile("file1", 0x63beb4a4, 0xf85de023, 0, 0); |
| h.DefineFile("file2", 0x1d161d56, 0x838299ab, 0, 0); |
| h.DefineFile("file2", 0x1e7a667c, 0xf85de023, 0, 0); |
| h.AddLine(0x69900c5d553b7274ULL, 0x90fded183f0d0d3cULL, 0x2b80377a, |
| 0x15b0f0a9U, 0x3ff5abd6U); |
| h.AddLine(0x45811219a39b7101ULL, 0x25a5e6a924afc41fULL, 0x63beb4a4, |
| 0x4d259ce9U, 0x41c5ee32U); |
| h.AddLine(0xfa90514c1dc9704bULL, 0x0063efeabc02f313ULL, 0x1d161d56, |
| 0x1ee9fa4fU, 0xbf70e46aU); |
| h.AddLine(0x556b55fb6a647b10ULL, 0x3f3089ca2bfd80f5ULL, 0x1e7a667c, |
| 0x77fc280eU, 0x2c4a728cU); |
| h.DefineFile("file3", -1, 0, 0, 0); |
| h.AddLine(0xe2d72a37f8d9403aULL, 0x034dfab5b0d4d236ULL, 0x63beb4a5, |
| 0x75047044U, 0xb6a0016cU); |
| |
| vector<Module::File *> files; |
| m.GetFiles(&files); |
| ASSERT_EQ(5U, files.size()); |
| EXPECT_STREQ("directory1/file1", files[0]->name.c_str()); |
| EXPECT_STREQ("directory1/file2", files[1]->name.c_str()); |
| EXPECT_STREQ("directory2/file1", files[2]->name.c_str()); |
| EXPECT_STREQ("directory2/file2", files[3]->name.c_str()); |
| EXPECT_STREQ("file3", files[4]->name.c_str()); |
| |
| ASSERT_EQ(5U, lines.size()); |
| |
| EXPECT_EQ(0x69900c5d553b7274ULL, lines[0].address); |
| EXPECT_EQ(0x90fded183f0d0d3cULL, lines[0].size); |
| EXPECT_TRUE(lines[0].file == files[0]); |
| EXPECT_EQ(0x15b0f0a9, lines[0].number); |
| |
| EXPECT_EQ(0x45811219a39b7101ULL, lines[1].address); |
| EXPECT_EQ(0x25a5e6a924afc41fULL, lines[1].size); |
| EXPECT_TRUE(lines[1].file == files[2]); |
| EXPECT_EQ(0x4d259ce9, lines[1].number); |
| |
| EXPECT_EQ(0xfa90514c1dc9704bULL, lines[2].address); |
| EXPECT_EQ(0x0063efeabc02f313ULL, lines[2].size); |
| EXPECT_TRUE(lines[2].file == files[1]); |
| EXPECT_EQ(0x1ee9fa4f, lines[2].number); |
| |
| EXPECT_EQ(0x556b55fb6a647b10ULL, lines[3].address); |
| EXPECT_EQ(0x3f3089ca2bfd80f5ULL, lines[3].size); |
| EXPECT_TRUE(lines[3].file == files[3]); |
| EXPECT_EQ(0x77fc280e, lines[3].number); |
| |
| EXPECT_EQ(0xe2d72a37f8d9403aULL, lines[4].address); |
| EXPECT_EQ(0x034dfab5b0d4d236ULL, lines[4].size); |
| EXPECT_TRUE(lines[4].file == files[4]); |
| EXPECT_EQ(0x75047044, lines[4].number); |
| } |
| |
| TEST(Filenames, Absolute) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineDir("directory1", 1); |
| h.DefineFile("/absolute", 1, 1, 0, 0); |
| |
| h.AddLine(1, 1, 1, 0, 0); |
| |
| vector<Module::File *> files; |
| m.GetFiles(&files); |
| ASSERT_EQ(1U, files.size()); |
| EXPECT_STREQ("/absolute", files[0]->name.c_str()); |
| ASSERT_EQ(1U, lines.size()); |
| EXPECT_TRUE(lines[0].file == files[0]); |
| } |
| |
| TEST(Filenames, Relative) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineDir("directory1", 1); |
| h.DefineFile("relative", 1, 1, 0, 0); |
| |
| h.AddLine(1, 1, 1, 0, 0); |
| |
| vector<Module::File *> files; |
| m.GetFiles(&files); |
| ASSERT_EQ(1U, files.size()); |
| EXPECT_STREQ("directory1/relative", files[0]->name.c_str()); |
| ASSERT_EQ(1U, lines.size()); |
| EXPECT_TRUE(lines[0].file == files[0]); |
| } |
| |
| TEST(Filenames, StrangeFile) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineDir("directory1", 1); |
| h.DefineFile("", 1, 1, 0, 0); |
| h.AddLine(1, 1, 1, 0, 0); |
| |
| ASSERT_EQ(1U, lines.size()); |
| EXPECT_STREQ("directory1/", lines[0].file->name.c_str()); |
| } |
| |
| TEST(Filenames, StrangeDirectory) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineDir("", 1); |
| h.DefineFile("file1", 1, 1, 0, 0); |
| h.AddLine(1, 1, 1, 0, 0); |
| |
| ASSERT_EQ(1U, lines.size()); |
| EXPECT_STREQ("/file1", lines[0].file->name.c_str()); |
| } |
| |
| TEST(Filenames, StrangeDirectoryAndFile) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineDir("", 1); |
| h.DefineFile("", 1, 1, 0, 0); |
| h.AddLine(1, 1, 1, 0, 0); |
| |
| ASSERT_EQ(1U, lines.size()); |
| EXPECT_STREQ("/", lines[0].file->name.c_str()); |
| } |
| |
| // We should silently ignore attempts to define directory number zero, |
| // since that is always the compilation directory. |
| TEST(Errors, DirectoryZero) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineDir("directory0", 0); // should be ignored |
| h.DefineFile("relative", 1, 0, 0, 0); |
| |
| h.AddLine(1, 1, 1, 0, 0); |
| |
| ASSERT_EQ(1U, lines.size()); |
| EXPECT_STREQ("relative", lines[0].file->name.c_str()); |
| } |
| |
| // We should refuse to add lines with bogus file numbers. We should |
| // produce only one warning, however. |
| TEST(Errors, BadFileNumber) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineFile("relative", 1, 0, 0, 0); |
| h.AddLine(1, 1, 2, 0, 0); // bad file number |
| h.AddLine(2, 1, 2, 0, 0); // bad file number (no duplicate warning) |
| |
| EXPECT_EQ(0U, lines.size()); |
| } |
| |
| // We should treat files with bogus directory numbers as relative to |
| // the compilation unit. |
| TEST(Errors, BadDirectoryNumber) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineDir("directory1", 1); |
| h.DefineFile("baddirnumber1", 1, 2, 0, 0); // bad directory number |
| h.DefineFile("baddirnumber2", 2, 2, 0, 0); // bad dir number (no warning) |
| h.AddLine(1, 1, 1, 0, 0); |
| |
| ASSERT_EQ(1U, lines.size()); |
| EXPECT_STREQ("baddirnumber1", lines[0].file->name.c_str()); |
| } |
| |
| // We promise not to report empty lines. |
| TEST(Errors, EmptyLine) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineFile("filename1", 1, 0, 0, 0); |
| h.AddLine(1, 0, 1, 0, 0); |
| |
| ASSERT_EQ(0U, lines.size()); |
| } |
| |
| // We are supposed to clip lines that extend beyond the end of the |
| // address space. |
| TEST(Errors, BigLine) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineFile("filename1", 1, 0, 0, 0); |
| h.AddLine(0xffffffffffffffffULL, 2, 1, 0, 0); |
| |
| ASSERT_EQ(1U, lines.size()); |
| EXPECT_EQ(1U, lines[0].size); |
| } |
| |
| // The 'Omitted' tests verify that we correctly omit line information |
| // for code in sections that the linker has dropped. See "GNU |
| // toolchain omitted sections support" at the top of the |
| // DwarfLineToModule class. |
| |
| TEST(Omitted, DroppedThenGood) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineFile("filename1", 1, 0, 0, 0); |
| h.AddLine(0, 10, 1, 83816211, 0); // should be omitted |
| h.AddLine(20, 10, 1, 13059195, 0); // should be recorded |
| |
| ASSERT_EQ(1U, lines.size()); |
| EXPECT_EQ(13059195, lines[0].number); |
| } |
| |
| TEST(Omitted, GoodThenDropped) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineFile("filename1", 1, 0, 0, 0); |
| h.AddLine(0x9dd6a372, 10, 1, 41454594, 0); // should be recorded |
| h.AddLine(0, 10, 1, 44793413, 0); // should be omitted |
| |
| ASSERT_EQ(1U, lines.size()); |
| EXPECT_EQ(41454594, lines[0].number); |
| } |
| |
| TEST(Omitted, Mix1) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineFile("filename1", 1, 0, 0, 0); |
| h.AddLine(0x679ed72f, 10, 1, 58932642, 0); // should be recorded |
| h.AddLine(0xdfb5a72d, 10, 1, 39847385, 0); // should be recorded |
| h.AddLine(0, 0x78, 1, 23053829, 0); // should be omitted |
| h.AddLine(0x78, 0x6a, 1, 65317783, 0); // should be omitted |
| h.AddLine(0x78 + 0x6a, 0x2a, 1, 77601423, 0); // should be omitted |
| h.AddLine(0x9fe0cea5, 10, 1, 91806582, 0); // should be recorded |
| h.AddLine(0x7e41a109, 10, 1, 56169221, 0); // should be recorded |
| |
| ASSERT_EQ(4U, lines.size()); |
| EXPECT_EQ(58932642, lines[0].number); |
| EXPECT_EQ(39847385, lines[1].number); |
| EXPECT_EQ(91806582, lines[2].number); |
| EXPECT_EQ(56169221, lines[3].number); |
| } |
| |
| TEST(Omitted, Mix2) { |
| Module m("name", "os", "architecture", "id"); |
| vector<Module::Line> lines; |
| DwarfLineToModule h(&m, &lines); |
| |
| h.DefineFile("filename1", 1, 0, 0, 0); |
| h.AddLine(0, 0xf2, 1, 58802211, 0); // should be omitted |
| h.AddLine(0xf2, 0xb9, 1, 78958222, 0); // should be omitted |
| h.AddLine(0xf2 + 0xb9, 0xf7, 1, 64861892, 0); // should be omitted |
| h.AddLine(0x4e4d271e, 9, 1, 67355743, 0); // should be recorded |
| h.AddLine(0xdfb5a72d, 30, 1, 23365776, 0); // should be recorded |
| h.AddLine(0, 0x64, 1, 76196762, 0); // should be omitted |
| h.AddLine(0x64, 0x33, 1, 71066611, 0); // should be omitted |
| h.AddLine(0x64 + 0x33, 0xe3, 1, 61749337, 0); // should be omitted |
| |
| ASSERT_EQ(2U, lines.size()); |
| EXPECT_EQ(67355743, lines[0].number); |
| EXPECT_EQ(23365776, lines[1].number); |
| } |