1 //===-- TestLineEntry.cpp ------------------------------*- C++ -*-===// 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 "TestingSupport/TestUtilities.h" 18 #include "lldb/Symbol/ClangASTContext.h" 19 20 #include "lldb/Core/Module.h" 21 #include "lldb/Host/FileSystem.h" 22 #include "lldb/Host/HostInfo.h" 23 #include "lldb/Symbol/CompileUnit.h" 24 #include "lldb/Symbol/SymbolContext.h" 25 26 #include "llvm/Support/FileUtilities.h" 27 #include "llvm/Support/Program.h" 28 #include "llvm/Testing/Support/Error.h" 29 30 using namespace lldb_private; 31 using namespace lldb; 32 33 class LineEntryTest : public testing::Test { 34 public: 35 void SetUp() override; 36 37 void TearDown() override { 38 ClangASTContext::Terminate(); 39 SymbolFileDWARF::Terminate(); 40 ObjectFileMachO::Terminate(); 41 HostInfo::Terminate(); 42 FileSystem::Terminate(); 43 } 44 45 protected: 46 llvm::Expected<LineEntry> GetLineEntryForLine(uint32_t line); 47 llvm::Optional<TestFile> m_file; 48 ModuleSP m_module_sp; 49 }; 50 51 void LineEntryTest::SetUp() { 52 FileSystem::Initialize(); 53 HostInfo::Initialize(); 54 ObjectFileMachO::Initialize(); 55 SymbolFileDWARF::Initialize(); 56 ClangASTContext::Initialize(); 57 auto ExpectedFile = TestFile::fromYamlFile("inlined-functions.yaml"); 58 ASSERT_THAT_EXPECTED(ExpectedFile, llvm::Succeeded()); 59 m_file.emplace(std::move(*ExpectedFile)); 60 m_module_sp = std::make_shared<Module>(ModuleSpec(FileSpec(m_file->name()))); 61 } 62 63 llvm::Expected<LineEntry> LineEntryTest::GetLineEntryForLine(uint32_t line) { 64 bool check_inlines = true; 65 bool exact = true; 66 SymbolContextList sc_comp_units; 67 SymbolContextList sc_line_entries; 68 FileSpec file_spec("inlined-functions.cpp"); 69 m_module_sp->ResolveSymbolContextsForFileSpec(file_spec, line, check_inlines, 70 lldb::eSymbolContextCompUnit, 71 sc_comp_units); 72 if (sc_comp_units.GetSize() == 0) 73 return llvm::createStringError(llvm::inconvertibleErrorCode(), 74 "No comp unit found on the test object."); 75 sc_comp_units[0].comp_unit->ResolveSymbolContext( 76 file_spec, line, check_inlines, exact, eSymbolContextLineEntry, 77 sc_line_entries); 78 if (sc_line_entries.GetSize() == 0) 79 return llvm::createStringError(llvm::inconvertibleErrorCode(), 80 "No line entry found on the test object."); 81 return sc_line_entries[0].line_entry; 82 } 83 84 TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeNoInlines) { 85 auto line_entry = GetLineEntryForLine(18); 86 ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded()); 87 bool include_inlined_functions = false; 88 auto range = 89 line_entry->GetSameLineContiguousAddressRange(include_inlined_functions); 90 ASSERT_EQ(range.GetByteSize(), (uint64_t)0x24); 91 } 92 93 TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeOneInline) { 94 auto line_entry = GetLineEntryForLine(18); 95 ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded()); 96 bool include_inlined_functions = true; 97 auto range = 98 line_entry->GetSameLineContiguousAddressRange(include_inlined_functions); 99 ASSERT_EQ(range.GetByteSize(), (uint64_t)0x49); 100 } 101 102 TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeNestedInline) { 103 auto line_entry = GetLineEntryForLine(12); 104 ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded()); 105 bool include_inlined_functions = true; 106 auto range = 107 line_entry->GetSameLineContiguousAddressRange(include_inlined_functions); 108 ASSERT_EQ(range.GetByteSize(), (uint64_t)0x33); 109 } 110 111 /* 112 # inlined-functions.cpp 113 inline __attribute__((always_inline)) int sum2(int a, int b) { 114 int result = a + b; 115 return result; 116 } 117 118 int sum3(int a, int b, int c) { 119 int result = a + b + c; 120 return result; 121 } 122 123 inline __attribute__((always_inline)) int sum4(int a, int b, int c, int d) { 124 int result = sum2(a, b) + sum2(c, d); 125 result += 0; 126 return result; 127 } 128 129 int main(int argc, char** argv) { 130 sum3(3, 4, 5) + sum2(1, 2); 131 int sum = sum4(1, 2, 3, 4); 132 sum2(5, 6); 133 return 0; 134 } 135 136 // g++ -c inlined-functions.cpp -o inlined-functions.o -g -Wno-unused-value 137 // obj2yaml inlined-functions.o > inlined-functions.yaml 138 139 # Dump of source line per address: 140 # inlined-functions.cpp is src.cpp for space considerations. 141 0x20: src.cpp:17 142 0x21: src.cpp:17 143 0x26: src.cpp:17 144 0x27: src.cpp:17 145 0x29: src.cpp:17 146 0x2e: src.cpp:17 147 0x2f: src.cpp:17 148 0x31: src.cpp:17 149 0x36: src.cpp:18 150 0x37: src.cpp:18 151 0x39: src.cpp:18 152 0x3e: src.cpp:18 153 0x3f: src.cpp:18 154 0x41: src.cpp:18 155 0x46: src.cpp:18 156 0x47: src.cpp:18 157 0x49: src.cpp:18 158 0x4e: src.cpp:18 159 0x4f: src.cpp:18 160 0x51: src.cpp:18 161 0x56: src.cpp:18 162 0x57: src.cpp:18 163 0x59: src.cpp:18 164 0x5e: src.cpp:18 -> [email protected]:2 165 0x5f: src.cpp:18 -> [email protected]:2 166 0x61: src.cpp:18 -> [email protected]:2 167 0x66: src.cpp:18 -> [email protected]:2 168 0x67: src.cpp:18 -> [email protected]:2 169 0x69: src.cpp:18 -> [email protected]:2 170 0x6e: src.cpp:18 -> [email protected]:2 171 0x6f: src.cpp:18 -> [email protected]:2 172 0x71: src.cpp:18 -> [email protected]:2 173 0x76: src.cpp:18 -> [email protected]:2 174 0x77: src.cpp:18 -> [email protected]:2 175 0x79: src.cpp:18 -> [email protected]:2 176 0x7e: src.cpp:18 -> [email protected]:2 177 0x7f: src.cpp:19 -> [email protected]:12 178 0x81: src.cpp:19 -> [email protected]:12 179 0x86: src.cpp:19 -> [email protected]:12 180 0x87: src.cpp:19 -> [email protected]:12 181 0x89: src.cpp:19 -> [email protected]:12 182 0x8e: src.cpp:19 -> [email protected]:12 -> [email protected]:2 183 0x8f: src.cpp:19 -> [email protected]:12 -> [email protected]:2 184 0x91: src.cpp:19 -> [email protected]:12 -> [email protected]:2 185 0x96: src.cpp:19 -> [email protected]:12 -> [email protected]:3 186 0x97: src.cpp:19 -> [email protected]:12 187 0x99: src.cpp:19 -> [email protected]:12 188 0x9e: src.cpp:19 -> [email protected]:12 189 0x9f: src.cpp:19 -> [email protected]:12 190 0xa1: src.cpp:19 -> [email protected]:12 191 0xa6: src.cpp:19 -> [email protected]:12 -> [email protected]:2 192 0xa7: src.cpp:19 -> [email protected]:12 -> [email protected]:2 193 0xa9: src.cpp:19 -> [email protected]:12 -> [email protected]:2 194 0xae: src.cpp:19 -> [email protected]:12 195 0xaf: src.cpp:19 -> [email protected]:12 196 0xb1: src.cpp:19 -> [email protected]:12 197 0xb6: src.cpp:19 -> [email protected]:13 198 0xb7: src.cpp:19 -> [email protected]:13 199 0xb9: src.cpp:19 -> [email protected]:14 200 0xbe: src.cpp:19 201 0xbf: src.cpp:19 202 0xc1: src.cpp:19 203 0xc6: src.cpp:19 204 0xc7: src.cpp:19 205 0xc9: src.cpp:19 206 0xce: src.cpp:20 -> [email protected]:2 207 0xcf: src.cpp:20 -> [email protected]:2 208 0xd1: src.cpp:20 -> [email protected]:2 209 0xd6: src.cpp:21 210 0xd7: src.cpp:21 211 0xd9: src.cpp:21 212 0xde: src.cpp:21 213 */ 214