llvm-project/llvm/unittests/DebugInfo/DWARF/DWARFDebugLineTest.cpp

668 lines
22 KiB
C++

//===- 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 dwarfgen;
using namespace object;
using namespace utils;
using namespace testing;
namespace {
struct CommonFixture {
CommonFixture()
: LineData("", true, 0), Recoverable(Error::success()),
RecordRecoverable(std::bind(&CommonFixture::recordRecoverable, this,
std::placeholders::_1)),
Unrecoverable(Error::success()),
RecordUnrecoverable(std::bind(&CommonFixture::recordUnrecoverable, this,
std::placeholders::_1)){};
~CommonFixture() {
EXPECT_FALSE(Recoverable);
EXPECT_FALSE(Unrecoverable);
}
bool setupGenerator(uint16_t Version = 4) {
Triple T = getHostTripleForAddrSize(8);
if (!isConfigurationSupported(T))
return false;
auto ExpectedGenerator = Generator::create(T, Version);
if (ExpectedGenerator)
Gen.reset(ExpectedGenerator->release());
return true;
}
void generate() {
Context = createContext();
assert(Context != nullptr && "test state is not valid");
const DWARFObject &Obj = Context->getDWARFObj();
LineData = DWARFDataExtractor(Obj, Obj.getLineSection(),
sys::IsLittleEndianHost, 8);
}
std::unique_ptr<DWARFContext> createContext() {
if (!Gen)
return nullptr;
StringRef FileBytes = Gen->generate();
MemoryBufferRef FileBuffer(FileBytes, "dwarf");
auto Obj = object::ObjectFile::createObjectFile(FileBuffer);
if (Obj)
return DWARFContext::create(**Obj);
return nullptr;
}
DWARFDebugLine::SectionParser setupParser() {
LineTable &LT = Gen->addLineTable(DWARF32);
LT.addExtendedOpcode(9, DW_LNE_set_address, {{0xadd4e55, LineTable::Quad}});
LT.addStandardOpcode(DW_LNS_copy, {});
LT.addByte(0xaa);
LT.addExtendedOpcode(1, DW_LNE_end_sequence, {});
LineTable &LT2 = Gen->addLineTable(DWARF64);
LT2.addExtendedOpcode(9, DW_LNE_set_address,
{{0x11223344, LineTable::Quad}});
LT2.addStandardOpcode(DW_LNS_copy, {});
LT2.addByte(0xbb);
LT2.addExtendedOpcode(1, DW_LNE_end_sequence, {});
generate();
return DWARFDebugLine::SectionParser(LineData, *Context, CUs, TUs);
}
void recordRecoverable(Error Err) {
Recoverable = joinErrors(std::move(Recoverable), std::move(Err));
}
void recordUnrecoverable(Error Err) {
Unrecoverable = joinErrors(std::move(Unrecoverable), std::move(Err));
}
void checkError(ArrayRef<StringRef> ExpectedMsgs, Error Err) {
ASSERT_TRUE(Err.operator bool());
size_t WhichMsg = 0;
Error Remaining =
handleErrors(std::move(Err), [&](const ErrorInfoBase &Actual) {
ASSERT_LT(WhichMsg, ExpectedMsgs.size());
// Use .str(), because googletest doesn't visualise a StringRef
// properly.
EXPECT_EQ(Actual.message(), ExpectedMsgs[WhichMsg++].str());
});
EXPECT_EQ(WhichMsg, ExpectedMsgs.size());
EXPECT_FALSE(Remaining);
}
void checkError(StringRef ExpectedMsg, Error Err) {
checkError(ArrayRef<StringRef>{ExpectedMsg}, std::move(Err));
}
void checkGetOrParseLineTableEmitsError(StringRef ExpectedMsg,
uint64_t Offset = 0) {
auto ExpectedLineTable = Line.getOrParseLineTable(
LineData, Offset, *Context, nullptr, RecordRecoverable);
EXPECT_FALSE(ExpectedLineTable);
EXPECT_FALSE(Recoverable);
checkError(ExpectedMsg, ExpectedLineTable.takeError());
}
std::unique_ptr<Generator> Gen;
std::unique_ptr<DWARFContext> Context;
DWARFDataExtractor LineData;
DWARFDebugLine Line;
Error Recoverable;
std::function<void(Error)> RecordRecoverable;
Error Unrecoverable;
std::function<void(Error)> RecordUnrecoverable;
SmallVector<std::unique_ptr<DWARFCompileUnit>, 2> CUs;
std::deque<DWARFUnitSection<DWARFTypeUnit>> TUs;
};
// Fixtures must derive from "Test", but parameterised fixtures from
// "TestWithParam". It does not seem possible to inherit from both, so we share
// the common state in a separate class, inherited by the two fixture classes.
struct DebugLineBasicFixture : public Test, public CommonFixture {};
struct DebugLineParameterisedFixture
: public TestWithParam<std::pair<uint16_t, DwarfFormat>>,
public CommonFixture {
void SetUp() { std::tie(Version, Format) = GetParam(); }
uint16_t Version;
DwarfFormat Format;
};
void checkDefaultPrologue(uint16_t Version, DwarfFormat Format,
DWARFDebugLine::Prologue Prologue,
uint64_t BodyLength) {
// Check version specific fields and values.
uint64_t UnitLength;
uint64_t PrologueLength;
switch (Version) {
case 4:
PrologueLength = 36;
UnitLength = PrologueLength + 2;
EXPECT_EQ(Prologue.MaxOpsPerInst, 1u);
break;
case 2:
case 3:
PrologueLength = 35;
UnitLength = PrologueLength + 2;
break;
case 5:
PrologueLength = 39;
UnitLength = PrologueLength + 4;
EXPECT_EQ(Prologue.getAddressSize(), 8u);
EXPECT_EQ(Prologue.SegSelectorSize, 0u);
break;
default:
llvm_unreachable("unsupported DWARF version");
}
UnitLength += BodyLength + (Format == DWARF32 ? 4 : 8);
EXPECT_EQ(Prologue.TotalLength, UnitLength);
EXPECT_EQ(Prologue.PrologueLength, PrologueLength);
EXPECT_EQ(Prologue.MinInstLength, 1u);
EXPECT_EQ(Prologue.DefaultIsStmt, 1u);
EXPECT_EQ(Prologue.LineBase, -5);
EXPECT_EQ(Prologue.LineRange, 14u);
EXPECT_EQ(Prologue.OpcodeBase, 13u);
std::vector<uint8_t> ExpectedLengths = {0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1};
EXPECT_EQ(Prologue.StandardOpcodeLengths, ExpectedLengths);
ASSERT_EQ(Prologue.IncludeDirectories.size(), 1u);
ASSERT_EQ(Prologue.IncludeDirectories[0].getForm(), DW_FORM_string);
EXPECT_STREQ(*Prologue.IncludeDirectories[0].getAsCString(), "a dir");
ASSERT_EQ(Prologue.FileNames.size(), 1u);
ASSERT_EQ(Prologue.FileNames[0].Name.getForm(), DW_FORM_string);
EXPECT_STREQ(*Prologue.FileNames[0].Name.getAsCString(), "a file");
}
TEST_F(DebugLineBasicFixture, GetOrParseLineTableAtInvalidOffset) {
if (!setupGenerator())
return;
generate();
checkGetOrParseLineTableEmitsError(
"offset 0x00000000 is not a valid debug line section offset", 0);
// Repeat to show that an error is reported each time.
checkGetOrParseLineTableEmitsError(
"offset 0x00000000 is not a valid debug line section offset", 0);
// Show that an error is reported for later offsets too.
checkGetOrParseLineTableEmitsError(
"offset 0x00000001 is not a valid debug line section offset", 1);
}
TEST_F(DebugLineBasicFixture, GetOrParseLineTableAtInvalidOffsetAfterData) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable();
LT.setCustomPrologue({{0, LineTable::Byte}});
generate();
checkGetOrParseLineTableEmitsError(
"offset 0x00000001 is not a valid debug line section offset", 1);
}
TEST_P(DebugLineParameterisedFixture, GetOrParseLineTableValidTable) {
if (!setupGenerator(Version))
return;
SCOPED_TRACE("Checking Version " + std::to_string(Version) + ", Format " +
(Format == DWARF64 ? "DWARF64" : "DWARF32"));
LineTable &LT = Gen->addLineTable(Format);
LT.addExtendedOpcode(9, DW_LNE_set_address, {{0xadd4e55, LineTable::Quad}});
LT.addStandardOpcode(DW_LNS_copy, {});
LT.addByte(0xaa);
LT.addExtendedOpcode(1, DW_LNE_end_sequence, {});
LineTable &LT2 = Gen->addLineTable(Format);
LT2.addExtendedOpcode(9, DW_LNE_set_address, {{0x11223344, LineTable::Quad}});
LT2.addStandardOpcode(DW_LNS_copy, {});
LT2.addByte(0xbb);
LT2.addExtendedOpcode(1, DW_LNE_end_sequence, {});
LT2.addExtendedOpcode(9, DW_LNE_set_address, {{0x55667788, LineTable::Quad}});
LT2.addStandardOpcode(DW_LNS_copy, {});
LT2.addByte(0xcc);
LT2.addExtendedOpcode(1, DW_LNE_end_sequence, {});
generate();
auto ExpectedLineTable = Line.getOrParseLineTable(LineData, 0, *Context,
nullptr, RecordRecoverable);
ASSERT_TRUE(ExpectedLineTable.operator bool());
EXPECT_FALSE(Recoverable);
const DWARFDebugLine::LineTable *Expected = *ExpectedLineTable;
checkDefaultPrologue(Version, Format, Expected->Prologue, 16);
EXPECT_EQ(Expected->Sequences.size(), 1u);
uint64_t SecondOffset =
Expected->Prologue.sizeofTotalLength() + Expected->Prologue.TotalLength;
Recoverable = Error::success();
auto ExpectedLineTable2 = Line.getOrParseLineTable(
LineData, SecondOffset, *Context, nullptr, RecordRecoverable);
ASSERT_TRUE(ExpectedLineTable2.operator bool());
EXPECT_FALSE(Recoverable);
const DWARFDebugLine::LineTable *Expected2 = *ExpectedLineTable2;
checkDefaultPrologue(Version, Format, Expected2->Prologue, 32);
EXPECT_EQ(Expected2->Sequences.size(), 2u);
EXPECT_NE(Expected, Expected2);
// Check that if the same offset is requested, the exact same pointer is
// returned.
Recoverable = Error::success();
auto ExpectedLineTable3 = Line.getOrParseLineTable(
LineData, 0, *Context, nullptr, RecordRecoverable);
ASSERT_TRUE(ExpectedLineTable3.operator bool());
EXPECT_FALSE(Recoverable);
EXPECT_EQ(Expected, *ExpectedLineTable3);
Recoverable = Error::success();
auto ExpectedLineTable4 = Line.getOrParseLineTable(
LineData, SecondOffset, *Context, nullptr, RecordRecoverable);
ASSERT_TRUE(ExpectedLineTable4.operator bool());
EXPECT_FALSE(Recoverable);
EXPECT_EQ(Expected2, *ExpectedLineTable4);
// TODO: Add tests that show that the body of the programs have been read
// correctly.
}
TEST_F(DebugLineBasicFixture, ErrorForReservedLength) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable();
LT.setCustomPrologue({{0xffffff00, LineTable::Long}});
generate();
checkGetOrParseLineTableEmitsError(
"parsing line table prologue at offset 0x00000000 unsupported reserved "
"unit length found of value 0xffffff00");
}
TEST_F(DebugLineBasicFixture, ErrorForLowVersion) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable();
LT.setCustomPrologue(
{{LineTable::Half, LineTable::Long}, {1, LineTable::Half}});
generate();
checkGetOrParseLineTableEmitsError("parsing line table prologue at offset "
"0x00000000 found unsupported version "
"0x01");
}
TEST_F(DebugLineBasicFixture, ErrorForInvalidV5IncludeDirTable) {
if (!setupGenerator(5))
return;
LineTable &LT = Gen->addLineTable();
LT.setCustomPrologue({
{19, LineTable::Long}, // unit length
{5, LineTable::Half}, // version
{8, LineTable::Byte}, // addr size
{0, LineTable::Byte}, // segment selector size
{11, LineTable::Long}, // prologue length
{1, LineTable::Byte}, // min instruction length
{1, LineTable::Byte}, // max ops per instruction
{1, LineTable::Byte}, // default is_stmt
{0, LineTable::Byte}, // line base
{14, LineTable::Byte}, // line range
{2, LineTable::Byte}, // opcode base (small to reduce the amount of
// setup required).
{0, LineTable::Byte}, // standard opcode lengths
{0, LineTable::Byte}, // directory entry format count (should not be
// zero).
{0, LineTable::ULEB}, // directories count
{0, LineTable::Byte}, // file name entry format count
{0, LineTable::ULEB} // file name entry count
});
generate();
checkGetOrParseLineTableEmitsError(
"parsing line table prologue at 0x00000000 found an invalid directory or "
"file table description at 0x00000014");
}
TEST_P(DebugLineParameterisedFixture, ErrorForTooLargePrologueLength) {
if (!setupGenerator(Version))
return;
SCOPED_TRACE("Checking Version " + std::to_string(Version) + ", Format " +
(Format == DWARF64 ? "DWARF64" : "DWARF32"));
LineTable &LT = Gen->addLineTable(Format);
DWARFDebugLine::Prologue Prologue = LT.createBasicPrologue();
++Prologue.PrologueLength;
LT.setPrologue(Prologue);
generate();
uint64_t ExpectedEnd =
Prologue.TotalLength + 1 + Prologue.sizeofTotalLength();
checkGetOrParseLineTableEmitsError(
(Twine("parsing line table prologue at 0x00000000 should have ended at "
"0x000000") +
Twine::utohexstr(ExpectedEnd) + " but it ended at 0x000000" +
Twine::utohexstr(ExpectedEnd - 1))
.str());
}
TEST_P(DebugLineParameterisedFixture, ErrorForTooShortPrologueLength) {
if (!setupGenerator(Version))
return;
SCOPED_TRACE("Checking Version " + std::to_string(Version) + ", Format " +
(Format == DWARF64 ? "DWARF64" : "DWARF32"));
LineTable &LT = Gen->addLineTable(Format);
DWARFDebugLine::Prologue Prologue = LT.createBasicPrologue();
// FIXME: Ideally, we'd test for 1 less than expected, but the code does not
// currently fail if missing only the terminator of a v2-4 file table.
if (Version < 5)
Prologue.PrologueLength -= 2;
else
Prologue.PrologueLength -= 1;
LT.setPrologue(Prologue);
generate();
uint64_t ExpectedEnd =
Prologue.TotalLength - 1 + Prologue.sizeofTotalLength();
if (Version < 5)
--ExpectedEnd;
checkGetOrParseLineTableEmitsError(
(Twine("parsing line table prologue at 0x00000000 should have ended at "
"0x000000") +
Twine::utohexstr(ExpectedEnd) + " but it ended at 0x000000" +
Twine::utohexstr(ExpectedEnd + 1))
.str());
}
INSTANTIATE_TEST_CASE_P(
LineTableTestParams, DebugLineParameterisedFixture,
Values(std::make_pair(
2, DWARF32), // Test lower-bound of v2-3 fields and DWARF32.
std::make_pair(3, DWARF32), // Test upper-bound of v2-3 fields.
std::make_pair(4, DWARF64), // Test v4 fields and DWARF64.
std::make_pair(5, DWARF32), std::make_pair(5, DWARF64)), );
TEST_F(DebugLineBasicFixture, ErrorForInvalidExtendedOpcodeLength) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable();
// The Length should be 1 for an end sequence opcode.
LT.addExtendedOpcode(2, DW_LNE_end_sequence, {});
generate();
checkGetOrParseLineTableEmitsError("unexpected line op length at offset "
"0x00000030 expected 0x02 found 0x01");
}
TEST_F(DebugLineBasicFixture, ErrorForMismatchedAddressSize) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable();
// The line data extractor expects size 8 (Quad) addresses.
LT.addExtendedOpcode(5, DW_LNE_set_address, {{0x11223344, LineTable::Long}});
LT.addStandardOpcode(DW_LNS_copy, {});
LT.addByte(0xaa);
LT.addExtendedOpcode(1, DW_LNE_end_sequence, {});
generate();
checkGetOrParseLineTableEmitsError(
"mismatching address size at offset 0x00000030 expected 0x08 found 0x04");
}
TEST_F(DebugLineBasicFixture, CallbackUsedForUnterminatedSequence) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable();
LT.addExtendedOpcode(9, DW_LNE_set_address,
{{0x1122334455667788, LineTable::Quad}});
LT.addStandardOpcode(DW_LNS_copy, {});
LT.addByte(0xaa);
LT.addExtendedOpcode(1, DW_LNE_end_sequence, {});
LT.addExtendedOpcode(9, DW_LNE_set_address,
{{0x99aabbccddeeff00, LineTable::Quad}});
LT.addStandardOpcode(DW_LNS_copy, {});
LT.addByte(0xbb);
LT.addByte(0xcc);
generate();
auto ExpectedLineTable = Line.getOrParseLineTable(LineData, 0, *Context,
nullptr, RecordRecoverable);
checkError("last sequence in debug line table is not terminated!",
std::move(Recoverable));
ASSERT_TRUE(ExpectedLineTable.operator bool());
EXPECT_EQ((*ExpectedLineTable)->Rows.size(), 6u);
// The unterminated sequence is not added to the sequence list.
EXPECT_EQ((*ExpectedLineTable)->Sequences.size(), 1u);
}
TEST_F(DebugLineBasicFixture, ParserParsesCorrectly) {
if (!setupGenerator())
return;
DWARFDebugLine::SectionParser Parser = setupParser();
EXPECT_EQ(Parser.getOffset(), 0u);
ASSERT_FALSE(Parser.done());
DWARFDebugLine::LineTable Parsed =
Parser.parseNext(RecordRecoverable, RecordUnrecoverable);
checkDefaultPrologue(4, DWARF32, Parsed.Prologue, 16);
EXPECT_EQ(Parsed.Sequences.size(), 1u);
EXPECT_EQ(Parser.getOffset(), 62u);
ASSERT_FALSE(Parser.done());
DWARFDebugLine::LineTable Parsed2 =
Parser.parseNext(RecordRecoverable, RecordUnrecoverable);
checkDefaultPrologue(4, DWARF64, Parsed2.Prologue, 16);
EXPECT_EQ(Parsed2.Sequences.size(), 1u);
EXPECT_EQ(Parser.getOffset(), 136u);
EXPECT_TRUE(Parser.done());
EXPECT_FALSE(Recoverable);
EXPECT_FALSE(Unrecoverable);
}
TEST_F(DebugLineBasicFixture, ParserSkipsCorrectly) {
if (!setupGenerator())
return;
DWARFDebugLine::SectionParser Parser = setupParser();
EXPECT_EQ(Parser.getOffset(), 0u);
ASSERT_FALSE(Parser.done());
Parser.skip(RecordUnrecoverable);
EXPECT_EQ(Parser.getOffset(), 62u);
ASSERT_FALSE(Parser.done());
Parser.skip(RecordUnrecoverable);
EXPECT_EQ(Parser.getOffset(), 136u);
EXPECT_TRUE(Parser.done());
EXPECT_FALSE(Unrecoverable);
}
TEST_F(DebugLineBasicFixture, ParserAlwaysDoneForEmptySection) {
if (!setupGenerator())
return;
generate();
DWARFDebugLine::SectionParser Parser(LineData, *Context, CUs, TUs);
EXPECT_TRUE(Parser.done());
}
TEST_F(DebugLineBasicFixture, ParserMovesToEndForBadLengthWhenParsing) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable();
LT.setCustomPrologue({{0xffffff00, LineTable::Long}});
Gen->addLineTable();
generate();
DWARFDebugLine::SectionParser Parser(LineData, *Context, CUs, TUs);
Parser.parseNext(RecordRecoverable, RecordUnrecoverable);
EXPECT_EQ(Parser.getOffset(), 4u);
EXPECT_TRUE(Parser.done());
EXPECT_FALSE(Recoverable);
checkError("parsing line table prologue at offset 0x00000000 unsupported "
"reserved unit length found of value 0xffffff00",
std::move(Unrecoverable));
}
TEST_F(DebugLineBasicFixture, ParserMovesToEndForBadLengthWhenSkipping) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable();
LT.setCustomPrologue({{0xffffff00, LineTable::Long}});
Gen->addLineTable();
generate();
DWARFDebugLine::SectionParser Parser(LineData, *Context, CUs, TUs);
Parser.skip(RecordUnrecoverable);
EXPECT_EQ(Parser.getOffset(), 4u);
EXPECT_TRUE(Parser.done());
checkError("parsing line table prologue at offset 0x00000000 unsupported "
"reserved unit length found of value 0xffffff00",
std::move(Unrecoverable));
}
TEST_F(DebugLineBasicFixture, ParserReportsFirstErrorInEachTableWhenParsing) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable(DWARF32);
LT.setCustomPrologue({{2, LineTable::Long}, {0, LineTable::Half}});
LineTable &LT2 = Gen->addLineTable(DWARF32);
LT2.setCustomPrologue({{2, LineTable::Long}, {1, LineTable::Half}});
generate();
DWARFDebugLine::SectionParser Parser(LineData, *Context, CUs, TUs);
Parser.parseNext(RecordRecoverable, RecordUnrecoverable);
ASSERT_FALSE(Parser.done());
Parser.parseNext(RecordRecoverable, RecordUnrecoverable);
EXPECT_TRUE(Parser.done());
EXPECT_FALSE(Recoverable);
checkError({"parsing line table prologue at offset 0x00000000 found "
"unsupported version 0x00",
"parsing line table prologue at offset 0x00000006 found "
"unsupported version 0x01"},
std::move(Unrecoverable));
}
TEST_F(DebugLineBasicFixture, ParserReportsNonPrologueProblemsWhenParsing) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable(DWARF32);
LT.addExtendedOpcode(0x42, DW_LNE_end_sequence, {});
LineTable &LT2 = Gen->addLineTable(DWARF32);
LT2.addExtendedOpcode(9, DW_LNE_set_address,
{{0x1234567890abcdef, LineTable::Quad}});
LT2.addStandardOpcode(DW_LNS_copy, {});
LT2.addByte(0xbb);
generate();
DWARFDebugLine::SectionParser Parser(LineData, *Context, CUs, TUs);
Parser.parseNext(RecordRecoverable, RecordUnrecoverable);
EXPECT_FALSE(Recoverable);
ASSERT_FALSE(Parser.done());
checkError(
"unexpected line op length at offset 0x00000030 expected 0x42 found 0x01",
std::move(Unrecoverable));
// Reset the error state so that it does not confuse the next set of checks.
Unrecoverable = Error::success();
Parser.parseNext(RecordRecoverable, RecordUnrecoverable);
EXPECT_TRUE(Parser.done());
checkError("last sequence in debug line table is not terminated!",
std::move(Recoverable));
EXPECT_FALSE(Unrecoverable);
}
TEST_F(DebugLineBasicFixture,
ParserReportsPrologueErrorsInEachTableWhenSkipping) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable(DWARF32);
LT.setCustomPrologue({{2, LineTable::Long}, {0, LineTable::Half}});
LineTable &LT2 = Gen->addLineTable(DWARF32);
LT2.setCustomPrologue({{2, LineTable::Long}, {1, LineTable::Half}});
generate();
DWARFDebugLine::SectionParser Parser(LineData, *Context, CUs, TUs);
Parser.skip(RecordUnrecoverable);
ASSERT_FALSE(Parser.done());
Parser.skip(RecordUnrecoverable);
EXPECT_TRUE(Parser.done());
checkError({"parsing line table prologue at offset 0x00000000 found "
"unsupported version 0x00",
"parsing line table prologue at offset 0x00000006 found "
"unsupported version 0x01"},
std::move(Unrecoverable));
}
TEST_F(DebugLineBasicFixture, ParserIgnoresNonPrologueErrorsWhenSkipping) {
if (!setupGenerator())
return;
LineTable &LT = Gen->addLineTable(DWARF32);
LT.addExtendedOpcode(42, DW_LNE_end_sequence, {});
generate();
DWARFDebugLine::SectionParser Parser(LineData, *Context, CUs, TUs);
Parser.skip(RecordUnrecoverable);
EXPECT_TRUE(Parser.done());
EXPECT_FALSE(Unrecoverable);
}
} // end anonymous namespace