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//===- DWARFDebugLineTest.cpp ---------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "DwarfGenerator.h"
#include "DwarfUtils.h"
#include "llvm/DebugInfo/DWARF/DWARFContext.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace dwarf;
using namespace object;
using namespace utils;
namespace {
struct DebugLineGenerator {
bool init() {
Triple T = getHostTripleForAddrSize(8);
if (!isConfigurationSupported(T))
return false;
auto ExpectedGenerator = dwarfgen::Generator::create(T, 4);
if (ExpectedGenerator)
Generator.reset(ExpectedGenerator->release());
return true;
}
std::unique_ptr<DWARFContext> createContext() {
if (!Generator)
return nullptr;
StringRef FileBytes = Generator->generate();
MemoryBufferRef FileBuffer(FileBytes, "dwarf");
auto Obj = object::ObjectFile::createObjectFile(FileBuffer);
if (Obj)
return DWARFContext::create(**Obj);
return nullptr;
}
std::unique_ptr<dwarfgen::Generator> Generator;
};
TEST(DWARFDebugLine, GetLineTableAtInvalidOffset) {
DebugLineGenerator LineGen;
if (!LineGen.init())
return;
DWARFDebugLine Line;
std::unique_ptr<DWARFContext> Context = LineGen.createContext();
ASSERT_TRUE(Context != nullptr);
const DWARFObject &Obj = Context->getDWARFObj();
DWARFDataExtractor LineData(Obj, Obj.getLineSection(), true, 8);
EXPECT_EQ(Line.getOrParseLineTable(LineData, 0, *Context, nullptr), nullptr);
}
} // end anonymous namespace
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