1 //===-- TestLineEntry.cpp -------------------------------------------------===// 2 // 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is distributed under the University of Illinois Open Source 7 // License. See LICENSE.TXT for details. 8 // 9 //===----------------------------------------------------------------------===// 10 11 #include "gtest/gtest.h" 12 #include <iostream> 13 14 #include "Plugins/ObjectFile/Mach-O/ObjectFileMachO.h" 15 #include "Plugins/SymbolFile/DWARF/DWARFASTParserClang.h" 16 #include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h" 17 #include "Plugins/TypeSystem/Clang/TypeSystemClang.h" 18 #include "TestingSupport/SubsystemRAII.h" 19 #include "TestingSupport/TestUtilities.h" 20 21 #include "lldb/Core/Module.h" 22 #include "lldb/Host/FileSystem.h" 23 #include "lldb/Host/HostInfo.h" 24 #include "lldb/Symbol/CompileUnit.h" 25 #include "lldb/Symbol/SymbolContext.h" 26 27 #include "llvm/Support/FileUtilities.h" 28 #include "llvm/Support/Program.h" 29 #include "llvm/Testing/Support/Error.h" 30 31 using namespace lldb_private; 32 using namespace lldb; 33 34 class LineEntryTest : public testing::Test { 35 SubsystemRAII<FileSystem, HostInfo, ObjectFileMachO, SymbolFileDWARF, 36 TypeSystemClang> 37 subsystem; 38 39 public: 40 void SetUp() override; 41 42 protected: 43 llvm::Expected<LineEntry> GetLineEntryForLine(uint32_t line); 44 llvm::Optional<TestFile> m_file; 45 ModuleSP m_module_sp; 46 }; 47 48 void LineEntryTest::SetUp() { 49 auto ExpectedFile = TestFile::fromYamlFile("inlined-functions.yaml"); 50 ASSERT_THAT_EXPECTED(ExpectedFile, llvm::Succeeded()); 51 m_file.emplace(std::move(*ExpectedFile)); 52 m_module_sp = std::make_shared<Module>(m_file->moduleSpec()); 53 } 54 55 llvm::Expected<LineEntry> LineEntryTest::GetLineEntryForLine(uint32_t line) { 56 // TODO: Handle SourceLocationSpec column information 57 SymbolContextList sc_comp_units; 58 SymbolContextList sc_line_entries; 59 FileSpec file_spec("inlined-functions.cpp"); 60 m_module_sp->ResolveSymbolContextsForFileSpec( 61 file_spec, line, /*check_inlines=*/true, lldb::eSymbolContextCompUnit, 62 sc_comp_units); 63 if (sc_comp_units.GetSize() == 0) 64 return llvm::createStringError(llvm::inconvertibleErrorCode(), 65 "No comp unit found on the test object."); 66 67 SourceLocationSpec location_spec(file_spec, line, /*column=*/llvm::None, 68 /*check_inlines=*/true, 69 /*exact_match=*/true); 70 71 sc_comp_units[0].comp_unit->ResolveSymbolContext( 72 location_spec, eSymbolContextLineEntry, sc_line_entries); 73 if (sc_line_entries.GetSize() == 0) 74 return llvm::createStringError(llvm::inconvertibleErrorCode(), 75 "No line entry found on the test object."); 76 return sc_line_entries[0].line_entry; 77 } 78 79 TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeNoInlines) { 80 auto line_entry = GetLineEntryForLine(18); 81 ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded()); 82 bool include_inlined_functions = false; 83 auto range = 84 line_entry->GetSameLineContiguousAddressRange(include_inlined_functions); 85 ASSERT_EQ(range.GetByteSize(), (uint64_t)0x24); 86 } 87 88 TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeOneInline) { 89 auto line_entry = GetLineEntryForLine(18); 90 ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded()); 91 bool include_inlined_functions = true; 92 auto range = 93 line_entry->GetSameLineContiguousAddressRange(include_inlined_functions); 94 ASSERT_EQ(range.GetByteSize(), (uint64_t)0x49); 95 } 96 97 TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeNestedInline) { 98 auto line_entry = GetLineEntryForLine(12); 99 ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded()); 100 bool include_inlined_functions = true; 101 auto range = 102 line_entry->GetSameLineContiguousAddressRange(include_inlined_functions); 103 ASSERT_EQ(range.GetByteSize(), (uint64_t)0x33); 104 } 105 106 /* 107 # inlined-functions.cpp 108 inline __attribute__((always_inline)) int sum2(int a, int b) { 109 int result = a + b; 110 return result; 111 } 112 113 int sum3(int a, int b, int c) { 114 int result = a + b + c; 115 return result; 116 } 117 118 inline __attribute__((always_inline)) int sum4(int a, int b, int c, int d) { 119 int result = sum2(a, b) + sum2(c, d); 120 result += 0; 121 return result; 122 } 123 124 int main(int argc, char** argv) { 125 sum3(3, 4, 5) + sum2(1, 2); 126 int sum = sum4(1, 2, 3, 4); 127 sum2(5, 6); 128 return 0; 129 } 130 131 // g++ -c inlined-functions.cpp -o inlined-functions.o -g -Wno-unused-value 132 // obj2yaml inlined-functions.o > inlined-functions.yaml 133 134 # Dump of source line per address: 135 # inlined-functions.cpp is src.cpp for space considerations. 136 0x20: src.cpp:17 137 0x21: src.cpp:17 138 0x26: src.cpp:17 139 0x27: src.cpp:17 140 0x29: src.cpp:17 141 0x2e: src.cpp:17 142 0x2f: src.cpp:17 143 0x31: src.cpp:17 144 0x36: src.cpp:18 145 0x37: src.cpp:18 146 0x39: src.cpp:18 147 0x3e: src.cpp:18 148 0x3f: src.cpp:18 149 0x41: src.cpp:18 150 0x46: src.cpp:18 151 0x47: src.cpp:18 152 0x49: src.cpp:18 153 0x4e: src.cpp:18 154 0x4f: src.cpp:18 155 0x51: src.cpp:18 156 0x56: src.cpp:18 157 0x57: src.cpp:18 158 0x59: src.cpp:18 159 0x5e: src.cpp:18 -> [email protected]:2 160 0x5f: src.cpp:18 -> [email protected]:2 161 0x61: src.cpp:18 -> [email protected]:2 162 0x66: src.cpp:18 -> [email protected]:2 163 0x67: src.cpp:18 -> [email protected]:2 164 0x69: src.cpp:18 -> [email protected]:2 165 0x6e: src.cpp:18 -> [email protected]:2 166 0x6f: src.cpp:18 -> [email protected]:2 167 0x71: src.cpp:18 -> [email protected]:2 168 0x76: src.cpp:18 -> [email protected]:2 169 0x77: src.cpp:18 -> [email protected]:2 170 0x79: src.cpp:18 -> [email protected]:2 171 0x7e: src.cpp:18 -> [email protected]:2 172 0x7f: src.cpp:19 -> [email protected]:12 173 0x81: src.cpp:19 -> [email protected]:12 174 0x86: src.cpp:19 -> [email protected]:12 175 0x87: src.cpp:19 -> [email protected]:12 176 0x89: src.cpp:19 -> [email protected]:12 177 0x8e: src.cpp:19 -> [email protected]:12 -> [email protected]:2 178 0x8f: src.cpp:19 -> [email protected]:12 -> [email protected]:2 179 0x91: src.cpp:19 -> [email protected]:12 -> [email protected]:2 180 0x96: src.cpp:19 -> [email protected]:12 -> [email protected]:3 181 0x97: src.cpp:19 -> [email protected]:12 182 0x99: src.cpp:19 -> [email protected]:12 183 0x9e: src.cpp:19 -> [email protected]:12 184 0x9f: src.cpp:19 -> [email protected]:12 185 0xa1: src.cpp:19 -> [email protected]:12 186 0xa6: src.cpp:19 -> [email protected]:12 -> [email protected]:2 187 0xa7: src.cpp:19 -> [email protected]:12 -> [email protected]:2 188 0xa9: src.cpp:19 -> [email protected]:12 -> [email protected]:2 189 0xae: src.cpp:19 -> [email protected]:12 190 0xaf: src.cpp:19 -> [email protected]:12 191 0xb1: src.cpp:19 -> [email protected]:12 192 0xb6: src.cpp:19 -> [email protected]:13 193 0xb7: src.cpp:19 -> [email protected]:13 194 0xb9: src.cpp:19 -> [email protected]:14 195 0xbe: src.cpp:19 196 0xbf: src.cpp:19 197 0xc1: src.cpp:19 198 0xc6: src.cpp:19 199 0xc7: src.cpp:19 200 0xc9: src.cpp:19 201 0xce: src.cpp:20 -> [email protected]:2 202 0xcf: src.cpp:20 -> [email protected]:2 203 0xd1: src.cpp:20 -> [email protected]:2 204 0xd6: src.cpp:21 205 0xd7: src.cpp:21 206 0xd9: src.cpp:21 207 0xde: src.cpp:21 208 */ 209