a4a00ced0c
Summary: This patch extends the ModuleSpec class to include a DataBufferSP which contains the module data. If this data is provided, LLDB won't try to hit the filesystem to create the Module, but use only the data stored in the ModuleSpec. Reviewers: labath, espindola Subscribers: emaste, MaskRay, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D83512
206 lines
6.4 KiB
C++
206 lines
6.4 KiB
C++
//===-- TestLineEntry.cpp -------------------------------------------------===//
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//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include <iostream>
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#include "Plugins/ObjectFile/Mach-O/ObjectFileMachO.h"
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#include "Plugins/SymbolFile/DWARF/DWARFASTParserClang.h"
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#include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h"
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#include "Plugins/TypeSystem/Clang/TypeSystemClang.h"
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#include "TestingSupport/SubsystemRAII.h"
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#include "TestingSupport/TestUtilities.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Host/FileSystem.h"
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#include "lldb/Host/HostInfo.h"
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#include "lldb/Symbol/CompileUnit.h"
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#include "lldb/Symbol/SymbolContext.h"
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#include "llvm/Support/FileUtilities.h"
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#include "llvm/Support/Program.h"
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#include "llvm/Testing/Support/Error.h"
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using namespace lldb_private;
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using namespace lldb;
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class LineEntryTest : public testing::Test {
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SubsystemRAII<FileSystem, HostInfo, ObjectFileMachO, SymbolFileDWARF,
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TypeSystemClang>
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subsystem;
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public:
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void SetUp() override;
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protected:
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llvm::Expected<LineEntry> GetLineEntryForLine(uint32_t line);
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llvm::Optional<TestFile> m_file;
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ModuleSP m_module_sp;
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};
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void LineEntryTest::SetUp() {
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auto ExpectedFile = TestFile::fromYamlFile("inlined-functions.yaml");
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ASSERT_THAT_EXPECTED(ExpectedFile, llvm::Succeeded());
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m_file.emplace(std::move(*ExpectedFile));
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m_module_sp = std::make_shared<Module>(m_file->moduleSpec());
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}
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llvm::Expected<LineEntry> LineEntryTest::GetLineEntryForLine(uint32_t line) {
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bool check_inlines = true;
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bool exact = true;
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SymbolContextList sc_comp_units;
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SymbolContextList sc_line_entries;
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FileSpec file_spec("inlined-functions.cpp");
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m_module_sp->ResolveSymbolContextsForFileSpec(file_spec, line, check_inlines,
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lldb::eSymbolContextCompUnit,
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sc_comp_units);
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if (sc_comp_units.GetSize() == 0)
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return llvm::createStringError(llvm::inconvertibleErrorCode(),
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"No comp unit found on the test object.");
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sc_comp_units[0].comp_unit->ResolveSymbolContext(
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file_spec, line, check_inlines, exact, eSymbolContextLineEntry,
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sc_line_entries);
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if (sc_line_entries.GetSize() == 0)
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return llvm::createStringError(llvm::inconvertibleErrorCode(),
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"No line entry found on the test object.");
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return sc_line_entries[0].line_entry;
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}
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TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeNoInlines) {
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auto line_entry = GetLineEntryForLine(18);
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ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded());
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bool include_inlined_functions = false;
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auto range =
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line_entry->GetSameLineContiguousAddressRange(include_inlined_functions);
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ASSERT_EQ(range.GetByteSize(), (uint64_t)0x24);
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}
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TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeOneInline) {
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auto line_entry = GetLineEntryForLine(18);
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ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded());
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bool include_inlined_functions = true;
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auto range =
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line_entry->GetSameLineContiguousAddressRange(include_inlined_functions);
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ASSERT_EQ(range.GetByteSize(), (uint64_t)0x49);
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}
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TEST_F(LineEntryTest, GetSameLineContiguousAddressRangeNestedInline) {
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auto line_entry = GetLineEntryForLine(12);
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ASSERT_THAT_EXPECTED(line_entry, llvm::Succeeded());
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bool include_inlined_functions = true;
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auto range =
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line_entry->GetSameLineContiguousAddressRange(include_inlined_functions);
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ASSERT_EQ(range.GetByteSize(), (uint64_t)0x33);
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}
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/*
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# inlined-functions.cpp
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inline __attribute__((always_inline)) int sum2(int a, int b) {
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int result = a + b;
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return result;
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}
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int sum3(int a, int b, int c) {
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int result = a + b + c;
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return result;
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}
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inline __attribute__((always_inline)) int sum4(int a, int b, int c, int d) {
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int result = sum2(a, b) + sum2(c, d);
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result += 0;
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return result;
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}
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int main(int argc, char** argv) {
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sum3(3, 4, 5) + sum2(1, 2);
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int sum = sum4(1, 2, 3, 4);
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sum2(5, 6);
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return 0;
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}
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// g++ -c inlined-functions.cpp -o inlined-functions.o -g -Wno-unused-value
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// obj2yaml inlined-functions.o > inlined-functions.yaml
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# Dump of source line per address:
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# inlined-functions.cpp is src.cpp for space considerations.
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0x20: src.cpp:17
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0x21: src.cpp:17
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0x26: src.cpp:17
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0x27: src.cpp:17
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0x29: src.cpp:17
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0x2e: src.cpp:17
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0x2f: src.cpp:17
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0x31: src.cpp:17
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0x36: src.cpp:18
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0x37: src.cpp:18
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0x39: src.cpp:18
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0x3e: src.cpp:18
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0x3f: src.cpp:18
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0x41: src.cpp:18
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0x46: src.cpp:18
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0x47: src.cpp:18
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0x49: src.cpp:18
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0x4e: src.cpp:18
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0x4f: src.cpp:18
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0x51: src.cpp:18
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0x56: src.cpp:18
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0x57: src.cpp:18
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0x59: src.cpp:18
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0x5e: src.cpp:18 -> sum2@src.cpp:2
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0x5f: src.cpp:18 -> sum2@src.cpp:2
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0x61: src.cpp:18 -> sum2@src.cpp:2
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0x66: src.cpp:18 -> sum2@src.cpp:2
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0x67: src.cpp:18 -> sum2@src.cpp:2
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0x69: src.cpp:18 -> sum2@src.cpp:2
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0x6e: src.cpp:18 -> sum2@src.cpp:2
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0x6f: src.cpp:18 -> sum2@src.cpp:2
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0x71: src.cpp:18 -> sum2@src.cpp:2
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0x76: src.cpp:18 -> sum2@src.cpp:2
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0x77: src.cpp:18 -> sum2@src.cpp:2
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0x79: src.cpp:18 -> sum2@src.cpp:2
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0x7e: src.cpp:18 -> sum2@src.cpp:2
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0x7f: src.cpp:19 -> sum4@src.cpp:12
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0x81: src.cpp:19 -> sum4@src.cpp:12
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0x86: src.cpp:19 -> sum4@src.cpp:12
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0x87: src.cpp:19 -> sum4@src.cpp:12
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0x89: src.cpp:19 -> sum4@src.cpp:12
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0x8e: src.cpp:19 -> sum4@src.cpp:12 -> sum2@src.cpp:2
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0x8f: src.cpp:19 -> sum4@src.cpp:12 -> sum2@src.cpp:2
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0x91: src.cpp:19 -> sum4@src.cpp:12 -> sum2@src.cpp:2
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0x96: src.cpp:19 -> sum4@src.cpp:12 -> sum2@src.cpp:3
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0x97: src.cpp:19 -> sum4@src.cpp:12
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0x99: src.cpp:19 -> sum4@src.cpp:12
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0x9e: src.cpp:19 -> sum4@src.cpp:12
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0x9f: src.cpp:19 -> sum4@src.cpp:12
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0xa1: src.cpp:19 -> sum4@src.cpp:12
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0xa6: src.cpp:19 -> sum4@src.cpp:12 -> sum2@src.cpp:2
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0xa7: src.cpp:19 -> sum4@src.cpp:12 -> sum2@src.cpp:2
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0xa9: src.cpp:19 -> sum4@src.cpp:12 -> sum2@src.cpp:2
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0xae: src.cpp:19 -> sum4@src.cpp:12
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0xaf: src.cpp:19 -> sum4@src.cpp:12
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0xb1: src.cpp:19 -> sum4@src.cpp:12
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0xb6: src.cpp:19 -> sum4@src.cpp:13
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0xb7: src.cpp:19 -> sum4@src.cpp:13
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0xb9: src.cpp:19 -> sum4@src.cpp:14
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0xbe: src.cpp:19
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0xbf: src.cpp:19
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0xc1: src.cpp:19
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0xc6: src.cpp:19
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0xc7: src.cpp:19
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0xc9: src.cpp:19
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0xce: src.cpp:20 -> sum2@src.cpp:2
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0xcf: src.cpp:20 -> sum2@src.cpp:2
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0xd1: src.cpp:20 -> sum2@src.cpp:2
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0xd6: src.cpp:21
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0xd7: src.cpp:21
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0xd9: src.cpp:21
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0xde: src.cpp:21
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*/
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