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//===-- DWARFUnitTest.cpp -------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "Plugins/SymbolFile/DWARF/DWARFUnit.h"
#include "TestingSupport/Symbol/YAMLModuleTester.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::plugin::dwarf;
TEST(DWARFUnitTest, NullUnitDie) {
// Make sure we don't crash parsing a null unit DIE.
const char *yamldata = R"(
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_386
DWARF:
debug_abbrev:
- Table:
- Code: 0x00000001
Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_yes
Attributes:
- Attribute: DW_AT_language
Form: DW_FORM_data2
debug_info:
- Version: 4
AddrSize: 8
Entries:
- AbbrCode: 0x00000000
)";
YAMLModuleTester t(yamldata);
ASSERT_TRUE((bool)t.GetDwarfUnit());
DWARFUnit *unit = t.GetDwarfUnit();
const DWARFDebugInfoEntry *die_first = unit->DIE().GetDIE();
ASSERT_NE(die_first, nullptr);
EXPECT_TRUE(die_first->IsNULL());
}
TEST(DWARFUnitTest, MissingSentinel) {
// Make sure we don't crash if the debug info is missing a null DIE sentinel.
const char *yamldata = R"(
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_386
DWARF:
debug_abbrev:
- Table:
- Code: 0x00000001
Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_yes
Attributes:
- Attribute: DW_AT_language
Form: DW_FORM_data2
debug_info:
- Version: 4
AddrSize: 8
Entries:
- AbbrCode: 0x00000001
Values:
- Value: 0x000000000000000C
)";
YAMLModuleTester t(yamldata);
ASSERT_TRUE((bool)t.GetDwarfUnit());
DWARFUnit *unit = t.GetDwarfUnit();
const DWARFDebugInfoEntry *die_first = unit->DIE().GetDIE();
ASSERT_NE(die_first, nullptr);
EXPECT_EQ(die_first->GetFirstChild(), nullptr);
EXPECT_EQ(die_first->GetSibling(), nullptr);
}
TEST(DWARFUnitTest, ClangProducer) {
const char *yamldata = R"(
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_386
DWARF:
debug_str:
- 'Apple clang version 13.0.0 (clang-1300.0.29.3)'
debug_abbrev:
- Table:
- Code: 0x00000001
Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_yes
Attributes:
- Attribute: DW_AT_producer
Form: DW_FORM_strp
debug_info:
- Version: 4
AddrSize: 8
Entries:
- AbbrCode: 0x1
Values:
- Value: 0x0
- AbbrCode: 0x0
)";
YAMLModuleTester t(yamldata);
DWARFUnit *unit = t.GetDwarfUnit();
ASSERT_TRUE((bool)unit);
EXPECT_EQ(unit->GetProducer(), eProducerClang);
EXPECT_EQ(unit->GetProducerVersion(), llvm::VersionTuple(1300, 0, 29, 3));
}
TEST(DWARFUnitTest, LLVMGCCProducer) {
const char *yamldata = R"(
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_386
DWARF:
debug_str:
- 'i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00)'
debug_abbrev:
- Table:
- Code: 0x00000001
Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_yes
Attributes:
- Attribute: DW_AT_producer
Form: DW_FORM_strp
debug_info:
- Version: 4
AddrSize: 8
Entries:
- AbbrCode: 0x1
Values:
- Value: 0x0
- AbbrCode: 0x0
)";
YAMLModuleTester t(yamldata);
DWARFUnit *unit = t.GetDwarfUnit();
ASSERT_TRUE((bool)unit);
EXPECT_EQ(unit->GetProducer(), eProducerLLVMGCC);
}
TEST(DWARFUnitTest, SwiftProducer) {
const char *yamldata = R"(
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_386
DWARF:
debug_str:
- 'Apple Swift version 5.5 (swiftlang-1300.0.31.1 clang-1300.0.29.1)'
debug_abbrev:
- Table:
- Code: 0x00000001
Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_yes
Attributes:
- Attribute: DW_AT_producer
Form: DW_FORM_strp
debug_info:
- Version: 4
AddrSize: 8
Entries:
- AbbrCode: 0x1
Values:
- Value: 0x0
- AbbrCode: 0x0
)";
YAMLModuleTester t(yamldata);
DWARFUnit *unit = t.GetDwarfUnit();
ASSERT_TRUE((bool)unit);
EXPECT_EQ(unit->GetProducer(), eProducerSwift);
EXPECT_EQ(unit->GetProducerVersion(), llvm::VersionTuple(1300, 0, 31, 1));
}
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