forked from OSchip/llvm-project
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
//===- DWARFDebugLineTest.cpp ---------------------------------------------===//
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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 "DwarfGenerator.h"
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#include "DwarfUtils.h"
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#include "llvm/DebugInfo/DWARF/DWARFContext.h"
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#include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/Testing/Support/Error.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace dwarf;
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using namespace object;
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using namespace utils;
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namespace {
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struct DebugLineGenerator {
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bool init() {
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Triple T = getHostTripleForAddrSize(8);
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if (!isConfigurationSupported(T))
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return false;
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auto ExpectedGenerator = dwarfgen::Generator::create(T, 4);
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if (ExpectedGenerator)
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Generator.reset(ExpectedGenerator->release());
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return true;
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}
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std::unique_ptr<DWARFContext> createContext() {
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if (!Generator)
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return nullptr;
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StringRef FileBytes = Generator->generate();
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MemoryBufferRef FileBuffer(FileBytes, "dwarf");
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auto Obj = object::ObjectFile::createObjectFile(FileBuffer);
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if (Obj)
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return DWARFContext::create(**Obj);
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return nullptr;
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}
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std::unique_ptr<dwarfgen::Generator> Generator;
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};
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TEST(DWARFDebugLine, GetLineTableAtInvalidOffset) {
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DebugLineGenerator LineGen;
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if (!LineGen.init())
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return;
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DWARFDebugLine Line;
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std::unique_ptr<DWARFContext> Context = LineGen.createContext();
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ASSERT_TRUE(Context != nullptr);
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const DWARFObject &Obj = Context->getDWARFObj();
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DWARFDataExtractor LineData(Obj, Obj.getLineSection(), true, 8);
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EXPECT_EQ(Line.getOrParseLineTable(LineData, 0, *Context, nullptr), nullptr);
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}
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} // end anonymous namespace
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