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 bool check_inlines = true; 57 bool exact = true; 58 SymbolContextList sc_comp_units; 59 SymbolContextList sc_line_entries; 60 FileSpec file_spec("inlined-functions.cpp"); 61 m_module_sp->ResolveSymbolContextsForFileSpec(file_spec, line, check_inlines, 62 lldb::eSymbolContextCompUnit, 63 sc_comp_units); 64 if (sc_comp_units.GetSize() == 0) 65 return llvm::createStringError(llvm::inconvertibleErrorCode(), 66 "No comp unit found on the test object."); 67 sc_comp_units[0].comp_unit->ResolveSymbolContext( 68 file_spec, line, check_inlines, exact, eSymbolContextLineEntry, 69 sc_line_entries); 70 if (sc_line_entries.GetSize() == 0) 71 return llvm::createStringError(llvm::inconvertibleErrorCode(), 72 "No line entry found on the test object."); 73 return sc_line_entries[0].line_entry; 74 } 75 76 TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeNoInlines) { 77 auto line_entry = GetLineEntryForLine(18); 78 ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded()); 79 bool include_inlined_functions = false; 80 auto range = 81 line_entry->GetSameLineContiguousAddressRange(include_inlined_functions); 82 ASSERT_EQ(range.GetByteSize(), (uint64_t)0x24); 83 } 84 85 TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeOneInline) { 86 auto line_entry = GetLineEntryForLine(18); 87 ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded()); 88 bool include_inlined_functions = true; 89 auto range = 90 line_entry->GetSameLineContiguousAddressRange(include_inlined_functions); 91 ASSERT_EQ(range.GetByteSize(), (uint64_t)0x49); 92 } 93 94 TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeNestedInline) { 95 auto line_entry = GetLineEntryForLine(12); 96 ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded()); 97 bool include_inlined_functions = true; 98 auto range = 99 line_entry->GetSameLineContiguousAddressRange(include_inlined_functions); 100 ASSERT_EQ(range.GetByteSize(), (uint64_t)0x33); 101 } 102 103 /* 104 # inlined-functions.cpp 105 inline __attribute__((always_inline)) int sum2(int a, int b) { 106 int result = a + b; 107 return result; 108 } 109 110 int sum3(int a, int b, int c) { 111 int result = a + b + c; 112 return result; 113 } 114 115 inline __attribute__((always_inline)) int sum4(int a, int b, int c, int d) { 116 int result = sum2(a, b) + sum2(c, d); 117 result += 0; 118 return result; 119 } 120 121 int main(int argc, char** argv) { 122 sum3(3, 4, 5) + sum2(1, 2); 123 int sum = sum4(1, 2, 3, 4); 124 sum2(5, 6); 125 return 0; 126 } 127 128 // g++ -c inlined-functions.cpp -o inlined-functions.o -g -Wno-unused-value 129 // obj2yaml inlined-functions.o > inlined-functions.yaml 130 131 # Dump of source line per address: 132 # inlined-functions.cpp is src.cpp for space considerations. 133 0x20: src.cpp:17 134 0x21: src.cpp:17 135 0x26: src.cpp:17 136 0x27: src.cpp:17 137 0x29: src.cpp:17 138 0x2e: src.cpp:17 139 0x2f: src.cpp:17 140 0x31: src.cpp:17 141 0x36: src.cpp:18 142 0x37: src.cpp:18 143 0x39: src.cpp:18 144 0x3e: src.cpp:18 145 0x3f: src.cpp:18 146 0x41: src.cpp:18 147 0x46: src.cpp:18 148 0x47: src.cpp:18 149 0x49: src.cpp:18 150 0x4e: src.cpp:18 151 0x4f: src.cpp:18 152 0x51: src.cpp:18 153 0x56: src.cpp:18 154 0x57: src.cpp:18 155 0x59: src.cpp:18 156 0x5e: src.cpp:18 -> [email protected]:2 157 0x5f: src.cpp:18 -> [email protected]:2 158 0x61: src.cpp:18 -> [email protected]:2 159 0x66: src.cpp:18 -> [email protected]:2 160 0x67: src.cpp:18 -> [email protected]:2 161 0x69: src.cpp:18 -> [email protected]:2 162 0x6e: src.cpp:18 -> [email protected]:2 163 0x6f: src.cpp:18 -> [email protected]:2 164 0x71: src.cpp:18 -> [email protected]:2 165 0x76: src.cpp:18 -> [email protected]:2 166 0x77: src.cpp:18 -> [email protected]:2 167 0x79: src.cpp:18 -> [email protected]:2 168 0x7e: src.cpp:18 -> [email protected]:2 169 0x7f: src.cpp:19 -> [email protected]:12 170 0x81: src.cpp:19 -> [email protected]:12 171 0x86: src.cpp:19 -> [email protected]:12 172 0x87: src.cpp:19 -> [email protected]:12 173 0x89: src.cpp:19 -> [email protected]:12 174 0x8e: src.cpp:19 -> [email protected]:12 -> [email protected]:2 175 0x8f: src.cpp:19 -> [email protected]:12 -> [email protected]:2 176 0x91: src.cpp:19 -> [email protected]:12 -> [email protected]:2 177 0x96: src.cpp:19 -> [email protected]:12 -> [email protected]:3 178 0x97: src.cpp:19 -> [email protected]:12 179 0x99: src.cpp:19 -> [email protected]:12 180 0x9e: src.cpp:19 -> [email protected]:12 181 0x9f: src.cpp:19 -> [email protected]:12 182 0xa1: src.cpp:19 -> [email protected]:12 183 0xa6: src.cpp:19 -> [email protected]:12 -> [email protected]:2 184 0xa7: src.cpp:19 -> [email protected]:12 -> [email protected]:2 185 0xa9: src.cpp:19 -> [email protected]:12 -> [email protected]:2 186 0xae: src.cpp:19 -> [email protected]:12 187 0xaf: src.cpp:19 -> [email protected]:12 188 0xb1: src.cpp:19 -> [email protected]:12 189 0xb6: src.cpp:19 -> [email protected]:13 190 0xb7: src.cpp:19 -> [email protected]:13 191 0xb9: src.cpp:19 -> [email protected]:14 192 0xbe: src.cpp:19 193 0xbf: src.cpp:19 194 0xc1: src.cpp:19 195 0xc6: src.cpp:19 196 0xc7: src.cpp:19 197 0xc9: src.cpp:19 198 0xce: src.cpp:20 -> [email protected]:2 199 0xcf: src.cpp:20 -> [email protected]:2 200 0xd1: src.cpp:20 -> [email protected]:2 201 0xd6: src.cpp:21 202 0xd7: src.cpp:21 203 0xd9: src.cpp:21 204 0xde: src.cpp:21 205 */ 206